Abstract: An intelligent production line for turning tool bit cavities and an application method are provided, which solve the problem that a production line in the prior art has low working efficiency. The intelligent production line has the beneficial effects of a compact arrangement structure, higher safety and improved working efficiency. The intelligent production line for turning tool bit cavities includes a robot. Material tables and at least one machining center are arranged around the robot. A transfer station used for transferring materials is arranged between the machining center and the robot. A protective fence is arranged between a position above the material tables and the robot, and between the transfer station and the robot. The robot is provided with a mechanical arm including a base plate. The base plate is provided with at least one clamping jaw and fixed with a laser detecting unit for detecting the materials.

Abstract: The present disclosure provides a two-stroke pumping method and oil production device, and relates to the technical field of oil production. The oil production device comprises a pump body, wherein the oil production device further comprises a central tube of a hollow structure, and the central tube is partially located in the pump body and coaxially arranged with the pump body; a traveling valve and a standing valve are arranged on the left side and the right side of the outer wall of the central tube respectively, and the traveling valve is arranged between the pump body and the central tube; the standing valve is located outside the pump body; the traveling valve and the standing valve are matched with the pump body and the central tube to form an oil pumping space; and an oil pumping assembly is further arranged in the oil pumping space.

Abstract: An inter-pipe fixing member, an evaporator and a refrigerator. The inter-pipe fixing member includes a fixing portion, which is provided with at least two fixing grooves, wherein each fixing groove is configured to be adapted to a pipeline, and the at least two fixing grooves are adapted to different pipelines, and/or the at least two fixing grooves are adapted to different sections of the same pipeline. The inter-pipe fixing member realizes fixing between different pipelines and/or different sections of the same pipeline, and when the inter-pipe fixing member is applied to the evaporator, it can be ensured that the pipelines of the evaporator are kept at a certain distance, thereby avoiding collisions.

Abstract: A muffling device includes a muffling body, the muffling body having a sound ingress and egress surface, at least one muffling chamber is provided inside the muffling body, the sound ingress and egress surface is provided with at least one communication port, each of the communication port connecting one or more of the muffling chamber, each of the muffling chamber is connected to the outside of the sound ingress and egress surface through at least one of the communication port. When noise passes through the through-holes of the muffling device, the sound is transmitted through the communication ports into the muffling chamber, extending the sound propagation path, weakening the sound energy, and thereby reducing the sound that continues to disperse outward. Specifically, the length of at least one muffling chamber is between 0.0085 m to 0.85 m.

Abstract: The utility model discloses a pipe connection mechanism, a refrigeration system having the same, and a refrigeration appliance. The pipe connection mechanism is used for connecting a flexible pipe and a rigid pipe, and includes: a joint pipe and a sleeve sleeving the flexible pipe, wherein the joint pipe has a first pipe part fixedly connected to the rigid pipe, and a second pipe part forward inserted into the flexible pipe and stretching the flexible pipe in an interference manner; and the sleeve backward sleeves the second pipe part and the sleeve and the second pipe part clamp and fix the flexible pipe together. The refrigeration system includes a rigid pipe and a flexible pipe which are fixedly connected in a fit manner through the pipe connection mechanism.

Abstract: The present invention provides a connecting pipeline of evaporator, an evaporator, and a refrigerator. The connecting pipeline is configured to connect with the refrigerant inlet of the evaporator and comprises first pipeline, second pipeline and inlet pipeline connected in sequence, wherein the inlet pipeline is connected to the refrigerant inlet, and the inner diameter of the first pipeline is larger than the inner diameter of the second pipeline. The connecting pipeline of the evaporator can effectively reduce noise by being configured to comprise first pipeline, second pipeline and inlet pipeline connected in sequence, wherein the inlet pipeline is connected to the refrigerant inlet and the inner diameter of the first pipeline is larger than the inner diameter of the second pipeline.

Abstract: A fixing clip, comprising a body portion, and a clamping portion provided with a first clamping section and a second clamping section, which respectively extend forwards from opposite ends of a front side of the body portion, wherein a space for accommodating a pipeline is defined between the first clamping section and the second clamping section; and a flexible member is arranged on an inner side surface of the first clamping section and/or an inner side surface of the second clamping section. Further disclosed is a refrigerator. The fixing clip and a pipeline of an evaporator are fixed more tightly, such that the evaporator is fixed more stably in a refrigerator body.

Abstract: The present utility model discloses a compressor bin and a refrigeration apparatus having the same; when a sound in the compressor bin reaches a silencing channel of a silencing device along an air supply channel, the sound enters a silencing cavity, which prolongs a propagation path of the sound, reduces energy of the sound, and reduces the continuously emitted sound, such that a noise generated by the refrigerator is reduced, normal venting and heat dissipation in the compressor bin are not influenced, and a good noise reduction effect is achieved while normal operation of the refrigerator is guaranteed.

Abstract: The present utility model discloses a compressor bin and a refrigeration apparatus having the same; when a sound in the compressor bin reaches a silencing channel of a silencing device along an air supply channel, the sound enters a silencing cavity, which prolongs a propagation path of the sound, reduces energy of the sound, and reduces the continuously emitted sound, such that a noise generated by the refrigerator is reduced, normal venting and heat dissipation in the compressor bin are not influenced, and a good noise reduction effect is achieved while normal operation of the refrigerator is guaranteed.

Abstract: A refrigeration apparatus and a production method thereof. The refrigeration apparatus includes a silencing device. The silencing device includes a silencing channel, and the silencing channel is communicated with an inner vent of a compressor bin and an outer vent of a housing. The silencing device is provided in a foaming space and thus does not occupy a space inside the refrigeration apparatus. The compressor bin is connected with the outside through the silencing channel, thus reducing noise radiated outwards from the compressor bin.

Abstract: Disclosed are a silencing device and a refrigerator; the silencing device includes a silencing body, the silencing body includes a hole wall enclosing a through hole and a silencing cavity formed inside the silencing body, and an opening communicated with the silencing cavity is provided on a surface of the hole wall. When the noise in the compressor compartment of the refrigerator passes through the through hole of the silencing device, the sound is transmitted into the silencing cavity through the opening. This achieves a good noise reduction effect while guaranteeing the normal operation of the refrigerator.

Abstract: The utility model discloses a pipe connection mechanism, a refrigeration system having the same, and a refrigeration appliance. The pipe connection mechanism is used for connecting a flexible pipe and a rigid pipe, and includes: a joint pipe and a sleeve sleeving the flexible pipe, wherein the joint pipe has a first pipe part fixedly connected to the rigid pipe, and a second pipe part forward inserted into the flexible pipe and stretching the flexible pipe in an interference manner; and the sleeve backward sleeves the second pipe part and the sleeve and the second pipe part clamp and fix the flexible pipe together. The refrigeration system includes a rigid pipe and a flexible pipe which are fixedly connected in a fit manner through the pipe connection mechanism.