Air conditioner compressor cylinder with wear-resistant coating

By introducing a wear-resistant coating and an improved fixing mechanism into the air conditioning compressor cylinder, the problem of deformation of the damping pad due to bolt tightening force was solved, resulting in more stable compressor operation and reduced noise.

CN224032745UActive Publication Date: 2026-03-24WUHU YONGWEI REFRIGERATION ACCESSORIES MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing compressor vibration damping pads are deformed during assembly due to the bolt tightening force, resulting in reduced vibration damping effect and generating greater noise.

Method used

It employs a wear-resistant coating and an improved fixing mechanism, including a cylinder, a locking rod, a nut, and a shock-absorbing pad. The cylinder body is fixed by the nut, and the locking rod is inserted into the cylinder to keep the shock-absorbing pad in contact with the insertion hole, thus solving the problem of shock-absorbing pad misalignment.

Benefits of technology

It effectively fixes the cylinder, reduces noise, improves vibration damping, and maintains the stability of compressor operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224032745U_ABST
    Figure CN224032745U_ABST
Patent Text Reader

Abstract

The utility model provides an air conditioner compressor cylinder with a wear-resistant coating, which relates to the technical field of compressors and comprises a cylinder body, a cylinder cover, an air inlet valve and an air outlet valve, the cylinder cover is mounted at the top end of the cylinder body, the air inlet valve and the air outlet valve are respectively arranged on two sides of the cylinder cover, a piston mechanism is arranged in the cylinder body, and the wear-resistant coating is arranged in the piston mechanism. A wear-resistant coating is further arranged in the cylinder body, a base is fixedly connected to the bottom of the cylinder body, and fixing mechanisms are symmetrically arranged on the two sides of the base. When the compressor vibrates to cause the shock pad to deviate, the clamping rod can be continuously inserted into the insertion barrel, so that the clamping rod extrudes the bottom end of the insertion barrel to expand outwards, and the bottom end of the insertion barrel extrudes the shock pad to be attached to the insertion hole again; the compressor shock pad solves the problems that in the prior art, when a common compressor shock pad is assembled, the shock pad deforms due to the influence of bolt fastening force, the shock absorption effect is reduced, and large noise is generated when a compressor is used.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to compressor technical field especially relates to air conditioner compressor cylinder with wear -resisting coating. BACKGROUND

[0002] Air conditioner compressor cylinder is the key component in compressor, usually by cylinder cover, cylinder body and cylinder seat is formed, it cooperates with piston, forms compression volume, bears gas pressure, and allows piston to make reciprocating motion in it, and the cylinder is configured with gas valve and stuffing box etc.

[0003] The compressor is usually accompanied by certain vibration when working, which easily affects the running stability of the equipment installed with the compressor, and the general method is to set a damping pad at the connecting position of the compressor and other structures, the damping pad will be deformed under the influence of bolt fastening force during assembly, the damping effect is reduced, and the compressor generates a large noise during use, therefore, the utility model provides an air conditioner compressor cylinder with wear -resisting coating to solve the above problems. UTILITARY MODEL CONTENT

[0004] In view of the above problems, the utility model provides an air conditioner compressor cylinder with wear -resisting coating to solve the problem that the general compressor damping pad is deformed under the influence of bolt fastening force during assembly, the damping effect is reduced, and the compressor generates a large noise during use.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: an air conditioner compressor cylinder with wear -resisting coating, including cylinder body, cylinder cover, inlet valve and outlet valve, the top end of the cylinder body is provided with cylinder cover, the both sides of the cylinder cover are respectively provided with inlet valve and outlet valve, the inside of the cylinder body is provided with piston mechanism, the inside of the cylinder body is further provided with wear -resisting coating, the bottom of the cylinder body is fixedly connected with base, the both sides of the base are symmetrically provided with fixed mechanism.

[0006] Further improvement lies in that the fixed mechanism includes plug, clamping rod, nut, damping pad and screw surface, the both sides of the base are symmetrically provided with plug, the inside of the plug is provided with clamping rod, the top end of the plug is connected with nut through screw surface, the outside of the plug is sleeved with damping pad.

[0007] Further improvement lies in that the outside of the damping pad is provided with concave-convex structure, the outer wall of the damping pad is attached to the inner wall of the both sides of the base, and the bottom end of the plug is provided with tapered structure narrowing from top to bottom.

[0008] Further improvement lies in that the piston mechanism comprises a rotating shaft, a connecting arm, a pin shaft, a connecting rod and a piston, one side of the bottom of the cylinder body is rotationally connected with the rotating shaft through a bearing, one end of the rotating shaft is fixedly connected with the connecting arm, one end of the connecting arm is hingedly connected with the connecting rod through the pin shaft, and the top end of the connecting rod is hingedly connected with the piston.

[0009] Further improvement lies in that the outer wall of the piston is attached to the inner wall of the cylinder body, and the reciprocating distance of the piston up and down is equal to the length covered by the wear-resistant coating.

[0010] Further improvement lies in that the inner part of the cylinder cover is respectively matched with the communication ports provided with the air inlet valve and the air outlet valve, and the valve plates with opposite positions up and down are respectively arranged on the two communication ports.

[0011] Further improvement lies in that the cylinder body and the cylinder cover are made of powder metallurgy, and the outside of the top end of the cylinder body is provided with a plurality of fins.

[0012] The utility model discloses a beneficial effect is: after the shock pad is sleeved on the outside of the insertion cylinder, the shock pad is inserted into the inside of air conditioner outdoor unit mounting hole, then the clamping rod is inserted into the inside of the insertion cylinder, and the cylinder is placed into the inside of the air conditioner outdoor unit, the top end of the insertion cylinder penetrates the insertion hole on both sides of the base at this time, the shock pad and the inner wall of the insertion hole are mutually attached, and finally the upper nut is tightened on the top end of the insertion cylinder, the nut can clamp the base tightly, and the cylinder is fixed in the inside of the air conditioner outdoor unit, when the compressor produces vibration and causes the shock pad to deviate, the clamping rod can be continuously inserted into the inside of the insertion cylinder, so that the clamping rod extrudes the bottom end of the insertion cylinder and expands outward, the bottom end of the insertion cylinder extrudes the shock pad and the insertion hole and reattaches, so as to solve the problems that the shock pad of the general compressor in the prior art is deformed under the influence of the bolt fastening force during assembly, the shock-absorbing effect is reduced, and a large noise is generated when the compressor is used. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the A place partial close -up of the utility model Figure 1 ;

[0015] Figure 3 It is the fixed mechanism structure schematic view of the utility model.

[0016] Among them: 1, cylinder body;2, cylinder cover;3, air inlet valve;4, air outlet valve;5, base;6, insertion cylinder;7, clamping rod;8, nut;9, shock pad;10, screw surface;11, wear-resistant coating;12, rotating shaft;13, connecting arm;14, pin shaft;15, connecting rod;16, piston;17, bearing. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the utility model, the utility model will be further described in combination with examples below, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0018] According to Figure 1 , 2 , 3, the embodiment provides a cylinder with wear-resistant coating for air conditioner compressor, which comprises a cylinder body 1, a cylinder cover 2, an air inlet valve 3 and an air outlet valve 4, the top end of the cylinder body 1 is provided with the cylinder cover 2, the two sides of the cylinder cover 2 are respectively provided with the air inlet valve 3 and the air outlet valve 4, the inside of the cylinder body 1 is provided with a piston mechanism, the inside of the cylinder body 1 is also provided with a wear-resistant coating 11, the bottom of the cylinder body 1 is fixedly connected with a base 5, the two sides of the base 5 are symmetrically provided with fixing mechanisms, when the cylinder body 1 is installed, firstly, the insertion holes on the two sides of the cylinder body 1 are aligned with the mounting holes on the air conditioner outdoor unit, then the fixing mechanisms are inserted into the inside of the mounting holes, the cylinder body 1 is connected with the air conditioner outdoor unit into an integrated whole through the fixing mechanisms, under the driving of the motor, the inside of the compressor reciprocates, the low-temperature and low-pressure refrigerant gas is sucked in through the air inlet valve 3, the gas is compressed and discharged from the air outlet valve 4, the density and temperature of the gas are significantly improved, and power is provided for the subsequent refrigeration cycle.

[0019] The fixing mechanism comprises an insertion cylinder 6, a clamping rod 7, a nut 8, a damping pad 9 and a threaded surface 10, the two sides of the base 5 are symmetrically provided with the insertion cylinder 6, the inside of the insertion cylinder 6 is provided with the clamping rod 7, the top end of the insertion cylinder 6 is threadedly connected with the nut 8 through the threaded surface 10, the outside of the insertion cylinder 6 is sleeved with the damping pad 9, the outside of the damping pad 9 is provided as a concave-convex structure, the outer wall of the damping pad 9 is attached to the inner walls of the two sides of the base 5, and the bottom end of the insertion cylinder 6 is provided as a tapered structure that is narrow at the top and wide at the bottom; after the damping pad 9 is sleeved on the outside of the insertion cylinder 6, the damping pad 9 is inserted into the inside of the mounting hole of the air conditioner outdoor unit, then the clamping rod 7 is inserted into the inside of the insertion cylinder 6, and then the cylinder body 1 is placed into the inside of the air conditioner outdoor unit; at this time, the top end of the insertion cylinder 6 penetrates through the insertion holes on the two sides of the base 5, the damping pad 9 is attached to the inner walls of the insertion holes, and finally the nut is tightened on the top end of the insertion cylinder 6; the nut can clamp the base 5, so as to fix the cylinder body 1 in the inside of the air conditioner outdoor unit; when the compressor produces vibration and causes the damping pad 9 to deviate, the clamping rod 7 can be continuously inserted into the inside of the insertion cylinder 6, so that the clamping rod 7 extrudes the bottom end of the insertion cylinder 6 to expand outward, the bottom end of the insertion cylinder 6 extrudes the damping pad 9 to reattach to the insertion hole, so as to solve the problems that the damping pad of the general compressor is deformed under the influence of the bolt fastening force during assembly, the damping effect is reduced, and a large noise is generated when the compressor is used in the prior art.

[0020] The piston mechanism comprises a rotating shaft 12, a connecting arm 13, a pin shaft 14, a connecting rod 15 and a piston 16, one side of the bottom of the cylinder body 1 is rotatably connected with the rotating shaft 12 through a bearing 17, one end of the rotating shaft 12 is fixedly connected with the connecting arm 13, one end of the connecting arm 13 is hingedly connected with the connecting rod 15 through the pin shaft 14, and the top end of the connecting rod 15 is hingedly connected with the piston 16, an external motor is fixedly connected with the rotating shaft 12, the external motor can drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the connecting arm 13 to make a circular motion, the connecting arm 13 is hingedly connected with the connecting rod 15 through the pin shaft 14, and the connecting arm 13 rotates while pulling the piston 16 to move up and down through the connecting rod 15, so that the piston 16 makes reciprocating piston motion up and down in the inside of the cylinder body 1.

[0021] The outer wall of the piston 16 is attached to the inner wall of the cylinder body 1, and the reciprocating moving distance of the piston 16 is equal to the length covered by the wear-resistant coating 11, the wear-resistant coating plays a role of isolation and lubrication between the piston 16 and the inner wall of the cylinder body 1, when the piston 16 reciprocates in the cylinder body 1, the coating avoids direct contact between metals, reduces heat and wear particles generated by friction, and the type of the wear-resistant coating is set as a ceramic coating.

[0022] The inside of the cylinder cover 2 is respectively communicated with the communication ports matched with the inlet valve 3 and the outlet valve 4, and the two communication ports are respectively provided with valve plates with opposite positions, when the piston 16 moves downward, the inlet valve plate is opened, the refrigerant gas enters the inside of the cylinder body 1 through the inlet valve 3, when the piston 16 moves upward, the inlet valve plate is closed, the outlet valve plate is opened, and the refrigerant gas is transported to the outside through the outlet valve 4.

[0023] The cylinder body 1 and the cylinder cover 2 are made of powder metallurgy, the outside of the top end of the cylinder body 1 is provided with a plurality of fins, the fins can increase the heat dissipation area of the cylinder body 1, so that the heat dissipation effect of the cylinder body 1 is better.

[0024] The air conditioner compressor cylinder, after the shock pad 9 is sleeved on the outside of the insertion cylinder 6, the shock pad 9 is inserted into the inside of the air conditioner outdoor unit mounting hole, then the clamping rod 7 is inserted into the inside of the insertion cylinder 6, and then the cylinder body 1 is placed into the inside of the air conditioner outdoor unit, at this time, the top end of the insertion cylinder 6 penetrates through the insertion holes on both sides of the base 5, the shock pad 9 is attached to the inner wall of the insertion hole, finally, the upper nut of the insertion cylinder 6 is tightened, the nut can clamp the base 5, so as to fix the cylinder body 1 in the inside of the air conditioner outdoor unit, when the compressor produces vibration to cause the shock pad 9 to deviate, the clamping rod 7 can be continuously inserted into the inside of the insertion cylinder 6, so that the clamping rod 7 extrudes the bottom end of the insertion cylinder 6 to expand outward, the bottom end of the insertion cylinder 6 extrudes the shock pad 9 to reattach to the insertion hole, so as to solve the problem that the shock pad of the general compressor is deformed by the influence of the bolt fastening force during assembly, the shock absorption effect is reduced, and the compressor generates relatively large noise during use in the prior art.

[0025] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An air conditioning compressor cylinder with a wear-resistant coating, comprising a cylinder body (1), a cylinder head (2), an intake valve (3), and an outlet valve (4), characterized in that: The top of the cylinder body (1) is fitted with a cylinder head (2), and the cylinder head (2) is provided with an intake valve (3) and an exhaust valve (4) on both sides respectively. The cylinder body (1) is provided with a piston mechanism inside, and the cylinder body (1) is also provided with a wear-resistant coating (11). The bottom of the cylinder body (1) is fixedly connected with a base (5), and the base (5) is provided with a fixing mechanism on both sides symmetrically. The fixing mechanism includes a tube (6), a locking rod (7), a nut (8), a shock-absorbing pad (9), and a threaded surface (10). Tubes (6) are symmetrically inserted on both sides of the base (5). A locking rod (7) is inserted inside the tube (6). The top of the tube (6) is threaded with a nut (8) through the threaded surface (10). A shock-absorbing pad (9) is sleeved on the outside of the tube (6).

2. The air conditioning compressor cylinder with a wear-resistant coating according to claim 1, characterized in that: The outer side of the shock-absorbing pad (9) is provided with a concave-convex structure. The outer wall of the shock-absorbing pad (9) is in contact with the inner walls on both sides of the base (5). The bottom end of the insert (6) is provided with a tapered structure that is narrow at the top and wide at the bottom.

3. The air conditioning compressor cylinder with a wear-resistant coating according to claim 1, characterized in that: The piston mechanism includes a rotating shaft (12), a connecting arm (13), a pin (14), a connecting rod (15), and a piston (16). The rotating shaft (12) is rotatably connected to one side of the bottom of the cylinder (1) via a bearing (17). The connecting arm (13) is fixedly connected to one end of the rotating shaft (12). The connecting rod (15) is hinged to one end of the connecting arm (13) via a pin (14). The piston (16) is hinged to the top of the connecting rod (15).

4. An air conditioning compressor cylinder with a wear-resistant coating according to claim 3, characterized in that: The outer wall of the piston (16) is in contact with the inner wall of the cylinder (1), and the distance that the piston (16) moves up and down is equal to the length covered by the wear-resistant coating (11).

5. An air conditioning compressor cylinder with a wear-resistant coating according to claim 1, characterized in that: The cylinder head (2) has an internal connection port that is matched with an intake valve (3) and an exhaust valve (4), and the two connection ports are respectively provided with valve plates in opposite positions.

6. An air conditioning compressor cylinder with a wear-resistant coating according to claim 1, characterized in that: The cylinder body (1) and cylinder head (2) are made by powder metallurgy, and multiple fins are provided on the outer side of the top of the cylinder body (1).