CN113446195B

CN113446195B - Durable air compressor

Info

Publication number: CN113446195B
Application number: CN202110853276.4A
Authority: CN
Inventors: 冯佳
Original assignee: Zhejiang Pengyou Electromechanical Co ltd
Current assignee: Zhejiang Pengyou Electromechanical Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-11-18
Anticipated expiration: 2041-07-27
Also published as: CN113446195A

Abstract

The utility model relates to a durable air compressor, including the air compressor machine body, the air compressor machine body includes casing, piston, actuating mechanism, and the casing is equipped with the air cavity, and the air compressor machine body is equipped with the closing part, runs through on the closing part to be equipped with venthole, inlet port, and the closing part sets firmly elasticity check valve piece, and the casing is equipped with the retaining surface, has the gas clearance between elasticity check valve piece and the retaining surface. The casing includes installation main part, gland, and installation main part includes base part and collar portion, and the heat dissipation fan is installed to the tip of base part. The base body is fixedly provided with a blocking cover. The blocking cover is provided with a pressing edge. By arranging the stop surface, the elastic one-way valve plate is not easy to excessively bend, the service life of the elastic one-way valve plate is influenced, and the durability of the air compressor is improved; through setting up the edge of propping for collar installation portion, closing part and gland can be pressed on the base part by more stable propping.

Description

Durable air compressor

Technical Field

The application relates to the technical field of air compressors, in particular to a durable air compressor.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are of the reciprocating piston type.

The working principle of the air compressor is that after outside air enters an air cavity in the air compressor through a one-way valve, the air compressor compresses the air in the air cavity through the motion of a driving rod generally, and the compressed air is transmitted to an external storage device from the air cavity through another one-way valve to be stored. Generally, a check valve in an air compressor adopts an elastic metal valve plate.

In order to solve the above problems, in the related art, when gas enters the elastic metal valve plate, the elastic metal valve plate is impacted by the gas to elastically deform so as to open the channel for the gas to pass through, and once the gas speed is too high, the force of the gas impacting the elastic metal valve plate exceeds the elastic limit of the elastic metal valve plate, so that the elastic metal valve plate is excessively bent, the elastic metal valve plate cannot normally reset, and the normal operation of the air compressor is influenced.

Disclosure of Invention

In order to make the uneasy excessive bending of elastic metal valve plate, the application provides a durable air compressor.

The application provides a durable air compressor machine adopts following technical scheme:

the utility model provides a durable air compressor, includes the air compressor body, the air compressor body includes casing, piston, actuating mechanism, the casing is equipped with the air cavity, the piston be located the air cavity and with air cavity inner wall sliding connection, the piston is driven by actuating mechanism and is reciprocating motion along self slip direction, the air compressor body is equipped with and is used for the enclosure with air cavity and external separation, it is equipped with venthole, inlet port to run through on the enclosure, venthole, inlet port all are used for intercommunication air cavity and external, the enclosure sets firmly the elasticity check valve piece, the elasticity check valve piece corresponds venthole, inlet port and is equipped with two, two the elasticity check valve piece is located the both sides of enclosure respectively, the surface of elasticity check valve piece towards the enclosure all pastes with the enclosure in order to seal venthole or inlet port, the casing is equipped with the offset surface, the offset surface is used for deviating from the lateral wall offset of enclosure with elasticity check valve piece, have the air gap that the air feed body passes through between elasticity check valve piece and the offset surface.

Through adopting above-mentioned technical scheme, make elasticity check valve piece receive the gas impact who gets into or flee the air cavity through setting up the face of keeping out, thereby elasticity check valve piece can offset with the face of keeping out and prevent elasticity check valve piece to continue deformation when the deformation of elasticity limit within is crooked for also be difficult for excessive bending when elasticity check valve piece receives too big impact force, thereby make this air compressor machine's durability improve greatly.

Preferably, the elastic one-way valve plate is detachably fixed on the closing part.

Through adopting above-mentioned technical scheme, elasticity check valve piece is dismantled and assembled, and the personnel of being convenient for change the elasticity check valve piece that appears damaging to maintain this air compressor machine's normal work.

Preferably, the housing includes a mounting body and a pressing cover, the air chamber is located on the mounting body, the sealing portion is located between the pressing cover and the mounting body, and the pressing cover is fixedly connected with the mounting body through a bolt so as to press and fix the sealing portion on the mounting body.

Through adopting above-mentioned technical scheme, the sealing is through sticising the lid and sticising on the installation main part for the fixed of sealing is comparatively convenient, and the dismantled and assembled personnel of being convenient for of sealing are surveyd the condition in to the air cavity in addition.

Preferably, the mounting body includes a base portion and a mounting ring portion, the air cavity is located in the mounting ring portion, the circumferential side wall of the piston is attached to the inner wall of the mounting ring portion, and two axial end faces of the mounting ring portion are respectively abutted to the base portion and the closed portion.

Through adopting above-mentioned technical scheme, personnel can carry out the overhaul to the piston through demolising the collar portion, and is comparatively convenient.

Preferably, the base portion, the mounting ring portion, the sealing portion and the pressing cover are all made of plastics.

Through adopting above-mentioned technical scheme for this air compressor machine's weight is lighter, carries.

Preferably, a heat dissipation fan is mounted at an end of the base body, the driving mechanism includes a driving motor, and an output shaft of the driving motor is coaxially fixed with the heat dissipation fan through an end cover fixed to the base body.

Through adopting above-mentioned technical scheme, the setting of heat dissipation fan for this air compressor machine can dispel the heat fast.

Preferably, the end cover is provided with an oil seal ring for sealing a gap between the end cover and the output shaft of the driving motor.

Through adopting above-mentioned technical scheme, the setting of oil blanket ring for outside air is difficult for getting into and gets into in the base part through the clearance between the output shaft of motor and the end cover.

Preferably, the base body is fixedly provided with a blocking cover for blocking the heat dissipation fan and people.

Through adopting above-mentioned technical scheme, the setting of block cover for personnel are difficult for contacting heat dissipation fan and are injured.

Preferably, the blocking cover is provided with an abutting edge, and the abutting edge abuts against the side wall of the pressing cover departing from the sealing part.

Through adopting above-mentioned technical scheme, support and press the limit and can support pressing the lid to pressing for the combination between gland and the installation main part is better inseparable.

Preferably, the pressing cover is provided with an air inlet channel used for being communicated with the air inlet and an air outlet channel used for being communicated with the air outlet, and the inner wall of the air inlet channel is provided with a silencer.

Through adopting above-mentioned technical scheme, the noise that this air compressor machine sent of breathing in can be reduced to the muffler.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the stop surface, the elastic one-way valve plate is not easy to excessively bend, the service life of the elastic one-way valve plate is influenced, and the durability of the air compressor is improved;

the air compressor can be disassembled into the base body part, the mounting ring part, the sealing part and the pressing cover, so that personnel can conveniently overhaul the piston of the air compressor;

through setting up the edge of propping for collar installation portion, closing part and gland can be pressed on the base part by more stable propping.

Drawings

Fig. 1 is a perspective view of embodiment 1 of the present application.

Fig. 2 is a partial sectional view of embodiment 1 of the present application.

Fig. 3 is an exploded view of example 1 of the present application.

Fig. 4 is a first structural schematic diagram of the closing portion and the mounting ring portion in embodiment 1 of the present application.

Fig. 5 is a schematic view of the structure of a compression cap in embodiment 1 of the present application.

Fig. 6 is a second structural diagram of the closing portion and the mounting ring portion in embodiment 1 of the present application.

Fig. 7 is a partial sectional view of embodiment 2 of the present application.

Description of reference numerals: 1. an air compressor body; 2. a housing; 21. mounting the main body; 211. a base portion; 212. a mounting ring portion; 213. mounting grooves; 214. perforating; 215. an end cap; 216. a heat dissipation fan; 22. tightly pressing the cover; 221. an intake passage; 222. an air outlet channel; 223. a muffler; 23. a closing portion; 231. an air outlet; 232. an air intake; 233. a first gas passing channel; 234. a second air passage; 24. a rubber gasket; 25. a blocking cover; 252. a vent hole; 253. pressing the edges; 26. a first air groove; 27. a second air tank; 28. a third air tank; 3. A piston; 4. a drive mechanism; 41. a drive motor; 42. an eccentric wheel; 43. a drive rod; 44. a counterbalance; 5. an air cavity; 6. an elastic one-way valve plate; 61. a resisting surface; 62. a butting block; 7. an air duct; 71. a one-way valve; 72. an air tank; 73. pressing the plate; 74. a groove is embedded; 75. air bleeding holes; 76. a threaded cap; 77. connecting ropes; 8. an oil seal ring; 81. and (7) oil seal grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses durable air compressor machine.

Example 1:

referring to fig. 1 and 2, a durable air compressor, including air compressor body 1, air compressor body 1 includes casing 2, piston 3, actuating mechanism 4, casing 2 is equipped with air cavity 5, air cavity 5 is the column, piston 3 be located air cavity 5 and with air cavity 5 inner wall sliding connection, the axial of air cavity 5 is followed to the slip direction of piston 3, actuating mechanism 4 installs in casing 2, actuating mechanism 4 drive piston 3 is along air cavity 5's axial motion, in order to compress the air in air cavity 5, and discharge the air after will compressing through setting up outlet channel 222 on casing 2.

Referring to fig. 2 and 3, the housing 2 includes a mounting body 21 and a pressing cover 22, the mounting body 21 includes a base portion 211 and a mounting ring portion 212, the driving mechanism 4 is mounted on the base portion 211, the driving mechanism 4 includes a driving motor 41, an eccentric wheel 42, and a driving rod 43, the driving motor 41 is fixedly connected to the base portion 211, the motor is a double-shaft motor, two eccentric wheels 42 are provided, the two eccentric wheels 42 are respectively fixed to output shafts at two ends of the driving motor 41, the two eccentric wheels 42 are parallel to the output shaft of the driving motor 41, the driving rod 43 is rotatably sleeved on the eccentric wheel 42 through a bearing and the eccentric wheel 42, the piston 3 is fixed to an end portion of the driving rod 43 away from the eccentric wheel 42, two pistons 3 and two driving rods 43 are provided corresponding to the eccentric wheels 42, in addition, a balance weight 44 is fixedly provided to the output shaft of the driving motor 41, the balance weight 44 is used for adjusting the center of gravity of the driving mechanism 4 to be close to the axis of the output shaft of the driving motor 41, so that the air compressor operates more stably.

The end of the base body 211 is provided with a mounting groove 213 for mounting the eccentric wheel 42 and the driving rod 43, the top wall of the mounting groove 213 is provided with a through hole 214, the driving rod 43 passes through the through hole 214 and is slidably connected with the air cavity 5, the base body 211 is provided with an end cover 215 for sealing the mounting groove 213 to form a closed space, the end cover 215 is fixedly connected with the base body 211 through a bolt, the end cover 215 is provided with a heat dissipation fan 216, the end of an output shaft of the driving motor 41 is coaxially fixed with the heat dissipation fan 216, the heat dissipation fan 216 is provided with a hexagon bolt in a penetrating manner, the hexagon bolt passes through the heat dissipation fan 216 and is in threaded connection with the end face of the output shaft of the driving motor 41, so that the heat dissipation fan 216 is tightly pressed and fixed on the output shaft of the driving motor 41, the surface of the end cover 215 far away from the base body 211 is provided with an oil seal groove 81, the oil seal ring 8 is mounted in the oil seal groove 81, the axis of the oil seal ring 8 is coaxial with the axis of the output shaft of the driving motor 41, the inner wall of the oil seal ring 8 is attached to the side wall of the output shaft of the driving motor 41 to prevent air from entering the mounting groove 213 through a gap between the output shaft of the driving motor 41 and the end cover 213, and the air compressor to be driven by the driving motor 41 to rotate, and to perform heat dissipation fan.

The mounting ring part 212 is annular, the top of the mounting ring part 212 is provided with a sealing part 23, the sealing part 23 is in a cover plate shape and is used for sealing the top end of the mounting ring part 212, two axial end faces of the mounting ring part 212 are respectively abutted against the base body part 211 and the sealing part 23, the air cavity 5 is positioned in the mounting ring part 212, the air cavity 5 is enclosed by the bottom wall of the sealing part 23, the circumferential inner wall of the mounting ring part 212 and the top wall of the piston 3, and the circumferential side wall of the piston 3 is attached to the inner wall of the mounting ring part 212. The closing portion 23 is located between the pressing cover 22 and the mounting ring portion 212, the pressing cover 22 is fixedly connected with the base portion 211 through a bolt, and the bottom wall of the pressing cover 22 presses against the closing portion 23 and the mounting ring portion 212 to fixedly press the closing portion 23 and the mounting ring portion 212. Rubber gaskets 24 are mounted between the base portion 211 and the mounting ring portion 212, between the mounting ring portion 212 and the closing portion 23, and between the closing portion 23 and the pressing cover 22 to improve the sealing performance of the housing 2.

The tip of base body portion 211 is equipped with and blocks cover 25, blocks cover 25 and is used for the fan 216 that dispels the heat and the separation of personnel, is equipped with air vent 252 on the blocking cover 25, and the top of blocking cover 25 has set firmly and has supported blank edge 253, supports blank edge 253 and blocks cover 25 integrated into one piece, and the outside limit that supports blank edge 253 extends to on the top surface of gland 22 with the top surface counterbalance with sticising lid 22 tightly, sticiss lid 22, prevents that gland 22 is not hard up.

Referring to fig. 2 and 4, the top surface of the sealing portion 23 is provided with an air outlet 231 and an air inlet 232 in a penetrating manner, one end of each of the air outlet 231 and the air inlet 232 penetrates through the air cavity 5, the other end of the air inlet 232 is used for communicating with an air inlet channel 221 arranged on the pressing cover 22, and the end of the air inlet channel 221 communicates with the outside so that the outside air can enter the air inlet 232.

Referring to fig. 4 and 5, a silencer 223 is fixedly mounted on the compressing cover 22, the silencer 223 is located in the air inlet channel 221, the silencer 223 is arranged to weaken noise generated by air suction of the air compressor, and is environment-friendly, after passing through the silencer 223, air enters a first air chamber formed by the sealing portion 23 and the compressing cover 22, a notch of a first air groove 26 of the compressing cover 22 is formed by being sealed by the surface of the compressing cover 22, the sealing portion 23 and the mounting ring portion 212 are combined to form a first air passage 233 and a second air passage 234, one end of the first air passage 233 (the second air passage 234) penetrates through the top surface of the sealing portion 23, the other end of the first air passage 233 penetrates through the bottom of the mounting ring portion 212 and is communicated with the mounting groove 213, the first air chamber is communicated with the first air passage 233, the sealing portion 23 and the compressing cover 22 further form a second air chamber, the second air chamber is formed by sealing portion 23 sealing a notch of a second air groove 27 arranged on the compressing cover 22, the top end of the second air passage 234 and the top end of an air inlet 232 are both located in the second air chamber, the compressing cover 22 is provided with a third air groove 28, the compressing cover 22 and the sealing portion 23 is located in the sealing space formed by the sealing portion 231, the sealing portion 222, the sealing portion is located in the sealing space of the sealing channel 231, and the sealing channel 222, and the sealing portion is located in the sealing space of the sealing channel 222, and the sealing portion, the sealing channel 231, the sealing portion is located in the sealing space of the sealing channel.

Referring to fig. 4 and 6, the sealing portion 23 is fixedly connected with an elastic check valve plate 6, the elastic check valve plate 6 is made of an elastic steel sheet, the elastic check valve plate 6 is fixed on the sealing portion 23 through screws, one elastic check valve plate 6 is arranged on each of the upper surface and the lower surface of the sealing portion 23, the surfaces, far away from the screws, of the two elastic check valve plates 6 are respectively used for being attached to the edge surface of the air outlet end of the air outlet hole 231 and the edge surface of the air inlet end of the air inlet hole 232, so that the air outlet hole 231 can only discharge air in a single direction, and the air inlet hole 232 can only discharge air in a single direction. When the surface of the elastic check valve plate 6 is impacted by airflow, the elastic check valve plate can deform and warp, so that the air can enter the air inlet hole 232 or be discharged from the air outlet hole 231 from a gap between the elastic check valve plate 6 and the surface of the closed part 23.

Referring to fig. 2 and 5, the inner wall of the mounting ring portion 212 is provided with a resisting surface 61, the resisting surface 61 is located below the elastic one-way valve sheet 6, when the piston 3 moves downward, and when air enters from the air inlet 232, the elastic one-way valve sheet 6 located on the bottom wall of the sealing portion 23 is impacted by air flow to deform and bend towards the resisting surface 61, after the elastic one-way valve sheet 6 bends slightly, the elastic one-way valve sheet can be abutted against the resisting surface 61, after being supported by the resisting surface 61, the elastic one-way valve sheet 6 cannot bend towards the direction away from the sealing portion 23, the pressing cover 22 is fixedly connected with a resisting block 62, the surface of the resisting block 62 facing the top of the sealing portion 23 is also the resisting surface 61, after the air in the air cavity 5 is pressed by the piston 3 and rushes out from the air outlet 231, the elastic one-way valve sheet 6 at the top of the sealing portion 23 is lifted, so that the elastic one-way valve sheet 6 bends, and after the elastic one-way valve sheet 6 bends to a certain extent, the resisting surface 61 on the resisting block 62 can be abutted against and cannot bend. The two resisting surfaces 61 are both arranged at a certain distance from the elastic one-way valve plate 6 to form an air passing gap for air to pass through.

The implementation principle of the embodiment 1 of the application is as follows: support the surface that deviates from inlet port 232 or venthole 231 elasticity check valve piece 6 through retaining surface 61, restrict elasticity check valve piece 6's deformation, make it be difficult for excessive bending, reduce elasticity check valve piece 6's damage to extension elasticity check valve piece 6's life makes this air compressor machine's durability can promote.

Example 2:

referring to fig. 7, the present embodiment is different from embodiment 1 in that: the lateral wall of installation ring portion 212 has set firmly vent pipe 7, fixed mounting has check valve 71 in vent pipe 7, it is equipped with air duct 72 to support pressure limit 253, air duct 72 slides and is equipped with and supports clamp plate 73, support clamp plate 73's slip direction along vertical direction, support clamp plate 73's circumference lateral wall and the circumference wall of air duct 72 and paste, the bottom that supports clamp plate 73 is used for the top of gland 22 to offset, vent pipe 7's both ends communicate with the headspace of air cavity 5 and air duct 72 respectively, the air that check valve 71 made can only be from air cavity 5 to air duct 72 one-way circulation sticiss, be equipped with the embedded groove 74 that supplies to clamp plate 73 embedding on the lid 22, the shape of embedded groove 74 and the shape looks adaptation that sticiss lid 22.

The outer side wall of the abutting edge 253 is provided with an air vent 75 and a threaded cover 76, the air vent 75 penetrates through the air groove 72, the threaded cover 76 is in threaded connection with the abutting edge 253 to seal the air vent 75, the threaded cover 76 is fixedly connected with a connecting rope 77, and the connecting rope 77 is further fixedly connected with the top surface of the abutting plate 73.

The implementation principle of the embodiment 2 is as follows: when the piston 3 moves upwards, the air in the air cavity 5 is compressed, the compressed air enters the air duct 7 through the check valve 71, then enters the air groove 72 through the air duct 7, the air pressure in the air groove 72 is increased, the air pressure pushes the pressing plate 73 to move towards the embedded groove 74, the pressing plate 73 is embedded in the embedded groove 74 and is abutted to the bottom wall of the embedded groove 74, the pressing cover 22 is further pressed, the sealing part 23, the installation ring part 212 and the base body part 211 are more stable in connection, meanwhile, the embedded groove 74 can further limit the blocking cover 25, the blocking cover is not easy to loosen, the air vent 75 is arranged, a person can communicate the air groove 72 with the outside through opening the threaded cover 76, the air pressure in the air groove 72 is reduced, then the person can lift the connecting rope 77 to enable the pressing plate 73 to move upwards to be separated from the embedded groove 74, and the person can detach the blocking cover 25 conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a durable air compressor, includes air compressor body (1), air compressor body (1) is including casing (2), piston (3), actuating mechanism (4), casing (2) are equipped with air cavity (5), piston (3) be located air cavity (5) and with air cavity (5) inner wall sliding connection, reciprocating motion, its characterized in that are followed self slip direction in piston (3) driven by actuating mechanism (4): the air compressor comprises an air compressor body (1) and is characterized in that a sealing part (23) used for separating an air cavity (5) from the outside is arranged on the air compressor body, an air outlet (231) and an air inlet (232) penetrate through the sealing part (23), the air outlet (231) and the air inlet (232) are both used for communicating the air cavity (5) with the outside, an elastic one-way valve sheet (6) is fixedly arranged on the sealing part (23), the elastic one-way valve sheet (6) is provided with two corresponding air outlet (231) and air inlet (232), the two elastic one-way valve sheets (6) are respectively positioned on two sides of the sealing part (23), the surface of the elastic one-way valve sheet (6) facing the sealing part (23) is attached to the sealing part (23) to seal the air outlet (231) or the air inlet (232), a blocking surface (61) is arranged on the air inlet (2), the blocking surface (61) is used for abutting against the side wall of the elastic one-way valve sheet (6) deviating from the sealing part (23), and an air passing gap for passing through of the air compressor is formed between the elastic one-way valve sheet (6) and the blocking surface (61);

the shell (2) comprises an installation main body (21) and a pressing cover (22), the air cavity (5) is located on the installation main body (21), the sealing part (23) is located between the pressing cover (22) and the installation main body (21), and the pressing cover (22) is fixedly connected with the installation main body (21) through bolts so as to press and fix the sealing part (23) on the installation main body (21); the mounting main body (21) comprises a base body part (211) and a mounting ring part (212), the air cavity (5) is positioned in the mounting ring part (212), the circumferential side wall of the piston (3) is attached to the inner wall of the mounting ring part (212), and two axial end faces of the mounting ring part (212) are respectively abutted against the base body part (211) and the closed part (23);

the base body part (211) is fixedly provided with a blocking cover (25) used for blocking the heat dissipation fan (216) and people; the blocking cover (25) is provided with a pressing edge (253), and the pressing edge (73) is pressed against the side wall of the pressing cover (22) departing from the sealing part (23);

the side wall of the mounting ring part (212) is fixedly provided with an air duct (7), a one-way valve (71) is fixedly mounted in the air duct (7), a pressing edge (253) is provided with an air groove (72), the air groove (72) is provided with a pressing plate (73) in a sliding manner, the sliding direction of the pressing plate (73) is along the vertical direction, the circumferential side wall of the pressing plate (73) is attached to the circumferential groove wall of the air groove (72), the bottom of the pressing plate (73) is used for pressing against the top of the cover (22), two ends of the air duct (7) are respectively communicated with the top space of the air cavity (5) and the air groove (72), an embedded groove (74) for embedding the pressing plate (73) is formed in the pressing cover (22), and the shape of the embedded groove (74) is matched with the shape of the pressing cover (22); the outer side wall of the abutting edge (253) is provided with an air release hole (75) and a threaded cover (76), the air release hole (75) penetrates through the air groove (72), the threaded cover (76) is in threaded connection with the abutting edge (253) to seal the air release hole (75), the threaded cover (76) is fixedly connected with a connecting rope (77), and the connecting rope (77) is further fixedly connected with the top surface of the abutting edge (73).

2. The durable air compressor as claimed in claim 1, wherein: the elastic one-way valve plate (6) is detachably fixed on the closed part (23).

3. The durable air compressor of claim 2, wherein: the end of the base body part (211) is provided with a heat radiation fan (216), the driving mechanism (4) comprises a driving motor (41), and an output shaft of the driving motor (41) penetrates through an end cover (215) arranged on the base body part (211) to be coaxially fixed with the heat radiation fan (216).

4. The durable air compressor of claim 3, wherein: the end cover (215) is provided with an oil seal ring (8) for sealing a gap between the end cover (215) and an output shaft of the driving motor (41).

5. The durable air compressor of claim 1, wherein: an air inlet channel (221) used for being communicated with an air inlet hole (232) and an air outlet channel (222) used for being communicated with an air outlet hole (231) are arranged on the pressing cover (22), and a silencer (223) is arranged on the inner wall of the air inlet channel (221).