Piston type compressor piston

Abstract

The utility model relates to the technical field of piston type compressors, in particular to a piston of a piston type compressor, which comprises a piston body, a mounting component and a connecting component, a plurality of groups of radiating fins are fixedly mounted in the piston body, and a plurality of groups of reinforcing ribs are fixedly mounted in the piston body; compared with an existing compressor piston which can generate a large amount of heat during reciprocating motion, the existing piston is poor in heat dissipation performance, and the conditions that the temperature of the piston is too high, the piston is expanded, and the piston is stuck are possibly caused; the multiple sets of cooling fins are installed in the piston body, the superficial area of the piston body can be effectively increased, the cooling efficiency is improved, the overheating probability of the piston body is reduced, the piston body can be reinforced by arranging the reinforcing ribs, expansion of the piston body at high temperature is restrained, and the probability that the piston body is stuck in the working process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of piston compressor, especially piston compressor piston. BACKGROUND

[0002] The piston of the piston compressor is a key component in the compressor, and its main function is to make reciprocating motion in the cylinder and form a compression volume together with the cylinder to realize the compression and delivery of gas.

[0003] The current piston of the compressor generates a large amount of heat when making reciprocating motion, and the current piston has poor heat dissipation performance, which may cause the temperature of the piston to be too high, cause the piston to expand, and cause the piston to be stuck.

[0004] Therefore, in view of the above problems that the current piston of the compressor generates a large amount of heat when making reciprocating motion, the current piston has poor heat dissipation performance, which may cause the temperature of the piston to be too high, cause the piston to expand, and cause the piston to be stuck, a piston of a piston compressor can be designed, which is provided with a plurality of heat dissipation fins inside the piston to increase the surface area of the piston, improve the heat dissipation efficiency, and inhibit the expansion of the piston through the reinforcing ribs to reduce the expansion of the piston due to heat and the occurrence of problems such as being stuck. SUMMARY

[0005] In order to overcome the problems that the current piston of the compressor generates a large amount of heat when making reciprocating motion, the current piston has poor heat dissipation performance, which may cause the temperature of the piston to be too high, cause the piston to expand, and cause the piston to be stuck.

[0006] The technical scheme of the utility model is as follows: a piston of a piston compressor, comprising a piston body, a mounting assembly, and a connecting assembly, heat dissipation fins are fixedly installed inside the piston body, the heat dissipation fins are provided in multiple groups, reinforcing ribs are fixedly installed inside the piston body, the reinforcing ribs are provided in multiple groups, the mounting assembly is arranged inside the piston body, and the connecting assembly is arranged inside the mounting assembly.

[0007] Preferably, the heat dissipation fins can increase the surface area of the piston body, thereby increasing the heat dissipation area and effectively preventing the piston from overheating, the reinforcing ribs can reinforce and limit the piston to inhibit the expansion of the piston when heated and reduce the occurrence of being stuck, the mounting assembly can be installed on the piston body, and the connecting assembly can be connected to the crankshaft of the compressor.

[0008] Preferably, the mounting assembly comprises mounting blocks and pin holes, the mounting blocks are fixedly installed inside the piston body, the mounting blocks are provided in two groups, through holes are formed in the side walls of the mounting blocks, and the through holes pass through the mounting blocks and the piston body.

[0009] As preferred, the connecting assembly comprises a connecting shaft, a mounting sleeve and a connecting rod, the connecting shaft is arranged inside the piston body, the connecting shaft penetrates the piston body through a pin hole, the mounting sleeve is sleeved on the periphery of the connecting shaft, and the connecting rod is fixedly installed above the mounting sleeve.

[0010] As preferred, a ceramic coating is arranged on the inner surface of the mounting sleeve, and the ceramic coating is in direct contact with the connecting rod.

[0011] As preferred, an oil groove is reserved on the peripheral side wall of the piston body, a plurality of groups of oil grooves are arranged, and the oil grooves are arranged in a curved manner.

[0012] As preferred, two groups of mounting grooves are arranged on the peripheral side wall of the piston body, the piston ring is clamped and connected with the piston body through the mounting grooves, a notch is reserved on the piston ring, and the two groups of piston rings are mounted in the two groups of mounting grooves, and the notches are staggered.

[0013] As preferred, an end head is fixedly installed below the piston body, and the end head is in a streamline shape.

[0014] The piston of the utility model has the advantages of the following:

[0015] 1、Compared with the current compressor piston reciprocating motion in operation, a large amount of heat is generated, the current piston has poor heat dissipation performance, which may cause the piston temperature to be too high, cause the piston to expand, cause the piston to be stuck and the like; the utility model discloses a plurality of heat dissipation fins are installed in the piston body, the surface area of the piston body can be effectively increased, the heat dissipation efficiency is improved, the probability of overheating of the piston body is reduced, the piston body can be strengthened through the setting of the reinforcing ribs, the expansion of the piston body under high temperature is inhibited, and the probability of the piston body being stuck during operation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A first three-dimensional structure schematic view of the piston of the utility model is shown.

[0017] Figure 2 A three-dimensional structure schematic view of the piston body inside the piston of the utility model is shown.

[0018] Figure 3 A three-dimensional structure schematic view of the connecting assembly of the piston of the utility model is shown.

[0019] Figure 4 An explosion three-dimensional structure schematic view of the piston of the utility model is shown.

[0020] Explanation of reference signs: 1, piston body; 101, fin; 102, reinforcing rib; 201, mounting block; 202, pin hole; 301, connecting shaft; 302, mounting sleeve; 303, connecting rod; 304, ceramic coating; 4, oil groove; 501, mounting groove; 502, piston ring; 503, notch; 6, end. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides a kind of example: piston compressor piston, including piston body 1, mounting assembly and connecting assembly, the inside of piston body 1 is fixedly installed with fin 101, fin 101 is provided with multiple groups, the inside of piston body 1 is fixedly installed with reinforcing rib 102, reinforcing rib 102 is provided with multiple groups, mounting assembly is set to the inside of piston body 1, connecting assembly is set to the inside of mounting assembly;By setting fin 101 can increase the surface area of piston body 1, to increase the heat dissipation area, can effectively prevent piston overheating, by setting reinforcing rib 102 strengthens and limits piston, inhibits piston expansion when heated, reduces the situation of jamming, by setting mounting assembly can be installed on piston body 1 connecting assembly, by setting connecting assembly can be connected the crankshaft of compressor.

[0023] Please refer to Figures 1-3 In the embodiment, mounting assembly includes mounting block 201 and pin hole 202, mounting block 201 is fixedly installed in the inside of piston body 1, mounting block 201 is provided with two groups, through hole is formed on the side wall of mounting block 201, and the through hole penetrates mounting block 201 and piston body 1;By setting mounting block 201 supports and installs connecting assembly, by setting pin hole 202 provides mounting space for connecting assembly;Connecting assembly includes connecting shaft 301, mounting sleeve 302 and connecting rod 303, connecting shaft 301 is set to the inside of piston body 1, and connecting shaft 301 penetrates piston body 1 by pin hole 202, mounting sleeve 302 is sleeved on the periphery of connecting shaft 301, and connecting rod 303 is fixedly installed above mounting sleeve 302;By setting connecting shaft 301 installs mounting sleeve 302, by setting mounting sleeve 302 connects connecting rod 303 and connecting shaft 301, by setting connecting rod 303 can be connected the crankshaft of compressor;The inside surface of mounting sleeve 302 is provided with ceramic coating 304, and ceramic coating 304 is directly contacted with connecting rod;By setting ceramic coating 304 can effectively reduce the friction of mounting sleeve 302 and connecting rod when working.

[0024] Please refer to Figure 4In the embodiment, the oil groove 4 is reserved on the peripheral side wall of the piston body 1, the oil groove 4 is provided in multiple groups, and the oil groove 4 is curvedly arranged; the oil groove 4 is arranged to facilitate the addition of lubricating oil, and the curved design of the oil groove 4 can make the addition of lubricating oil more uniform; two groups of installation grooves 501 are arranged on the peripheral side wall of the piston body 1, the piston ring 502 is clamped and connected with the piston body 1 through the installation groove 501, the gap 503 is reserved on the piston ring 502, the two groups of piston rings 502 installed in the two groups of installation grooves 501 are staggered; the installation groove 501 is arranged to install the piston ring 502, the piston ring 502 is arranged to seal the connection between the piston body 1 and the cylinder, the gap 503 is arranged to facilitate the installation of the piston ring 502, and after installation, the gap 503 is arranged to effectively seal the connection between the piston body 1 and the cylinder due to the elasticity of the piston ring 502, and the gap 503 is arranged to prevent gas leakage from the gap 503; the end 6 is fixedly installed below the piston body 1, and the shape of the end 6 is arranged to be streamlined; the end 6 is arranged to push the airflow and compress the airflow, and the streamlined design can improve the efficiency of the compressor.

[0025] In operation, the mounting sleeve 302 is sleeved on the outer periphery of the connecting shaft 301, and the ceramic coating 304 is in direct contact with the connecting shaft 301 to reduce friction;

[0026] The connecting shaft 301 is installed by the pin hole 202, and the piston body 1 and the compressor crankshaft are connected by the connecting rod 303 through the support of the mounting block 201;

[0027] In operation, the fin 101 can effectively increase the surface area of the piston body 1, improve the heat dissipation efficiency, and reduce the probability of overheating of the piston body 1; the reinforcing rib 102 is arranged to strengthen the piston body 1, inhibit the expansion of the piston body 1 at high temperature, and reduce the probability of being stuck;

[0028] The oil groove 4 can be conveniently added with lubricating oil, the curved design of the oil groove 4 can make the distribution of the lubricating oil more uniform, the piston ring 502 can seal the connection between the piston body 1 and the cylinder, the gap 503 can conveniently install the piston ring 502 in the installation groove 501, and after installation, the gap 503 is arranged to effectively seal the connection between the piston body 1 and the cylinder under the elasticity of the piston ring 502, and the gap 503 is arranged to prevent gas leakage from the gap 503;

[0029] The end 6 can push the airflow and compress the airflow, and the streamlined design can improve the efficiency of the compressor.

[0030] Through the above steps, by installing a plurality of groups of heat dissipation fins 101 inside the piston body 1, the surface area of the piston body 1 can be effectively increased, the heat dissipation efficiency is improved, the probability of overheating of the piston body 1 is reduced, the reinforcing ribs 102 are arranged to reinforce the piston body 1, the expansion of the piston body 1 at high temperature is inhibited, and the probability of jamming of the piston body 1 during operation is reduced, so as to solve the problems that the current compressor piston generates a large amount of heat during reciprocating motion, the heat dissipation performance of the current piston is poor, the temperature of the piston is high, the piston is expanded, and the piston is jammed.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A piston for a piston compressor, comprising a piston body (1); characterized in that: It also includes installation components and connecting components, the inside of the piston body (1) is fixedly installed with fins (101), the fins (101) are provided in multiple groups, the inside of the piston body (1) is fixedly installed with reinforcing ribs (102), the reinforcing ribs (102) are provided in multiple groups, the installation components are arranged in the inside of the piston body (1), and the connecting components are arranged in the inside of the installation components.

2. The piston of claim 1, wherein: The installation components include mounting blocks (201) and pin holes (202), the mounting blocks (201) are fixedly installed in the inside of the piston body (1), the mounting blocks (201) are provided in two groups, and through holes are formed in the side walls of the mounting blocks (201) and pass through the mounting blocks (201) and the piston body (1).

3. The piston of claim 2, wherein: The connecting components include connecting shafts (301), mounting sleeves (302) and connecting rods (303), the connecting shafts (301) are arranged in the inside of the piston body (1), the connecting shafts (301) pass through the piston body (1) through the pin holes (202), the mounting sleeves (302) are sleeved on the peripheries of the connecting shafts (301), and the connecting rods (303) are fixedly installed above the mounting sleeves (302).

4. The piston of claim 3, wherein: The inside surfaces of the mounting sleeves (302) are provided with ceramic coatings (304), and the ceramic coatings (304) are in direct contact with the connecting rods.

5. The piston of claim 1, wherein: The outer peripheral side walls of the piston body (1) are reserved with oil grooves (4), the oil grooves (4) are provided in multiple groups, and the oil grooves (4) are arranged in a curved mode.

6. The piston of claim 1, wherein: Two groups of installation grooves (501) are formed in the outer peripheral side walls of the piston body (1), the piston rings (502) are connected with the piston body (1) in a clamping mode through the installation grooves (501), the piston rings (502) are reserved with notches (503), the two groups of piston rings (502) installed in the two groups of installation grooves (501) are staggered.

7. The piston of claim 1, wherein: The lower portion of the piston body (1) is fixedly installed with an end head (6), and the shape of the end head (6) is arranged in a streamlined mode.

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