CN215409050U

CN215409050U - High-stability piston buffering device for compressor

Info

Publication number: CN215409050U
Application number: CN202121045882.5U
Authority: CN
Inventors: 周伟佳; 周建华; 徐滨
Original assignee: Jiangsu Huarui Refrigeration Equipment Co ltd
Current assignee: Jiangsu Huarui Refrigeration Equipment Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-04
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to the technical field of piston buffering devices, and discloses a high-stability piston buffering device for a compressor, which comprises a shell and a buffering mechanism, wherein the buffering mechanism comprises a rotating rod, two rotating wheels, a connecting shaft, a piston rod, a baffle plate, a moving plate, a piston head, a fixed sliding rod, a first buffering spring, a second buffering spring, a connecting rod, a sliding block, a third buffering spring, a buffering block and a limiting plate, wherein an air inlet and an air outlet are formed in the bottom of the shell. And the effect of improving the stability is achieved through the secondary buffering effect.

Description

High-stability piston buffering device for compressor

Technical Field

The utility model relates to the technical field of piston buffering devices, in particular to a piston buffering device for a compressor, which is high in stability.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is a heart of a refrigeration system, and a compressor piston belongs to a core component of the compressor, reciprocates in a cylinder, forms a component of a compression volume with the cylinder, has a complementary relationship with the cylinder in shape, and once the form of the cylinder is determined, the piston is determined accordingly.

The piston head of the compressor always causes hard impact on the inner wall of the cylinder after the piston of the compressor does piston motion in the compressor, so that the stability of the piston head and the inner wall of the cylinder is insufficient under long-term use, and therefore a piston buffer device for the compressor with high stability is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a piston cushioning device for a compressor with high stability to solve the problems of the related art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a high piston buffer for compressor of stability, includes shell and buffer gear, buffer gear rotates wheel, connecting axle, piston rod, baffle, movable plate, piston head, fixed slide bar, first buffer spring, second buffer spring, connecting rod, sliding block, third buffer spring, buffer block and limiting plate including dwang, two, the business turn over gas pocket has been seted up to the bottom of shell, the bottom of shell is provided with the switching valve that arranges into, the one end of dwang and two inner wall fixed connection who rotates the wheel, two right side surfaces of rotating the wheel and the left end fixed connection of connecting axle.

Furthermore, the right-hand member of connecting axle runs through the top left side of piston rod and extends to the top right side of piston rod and another the left surface fixed connection of two running wheels, the right-hand member of connecting axle and the through-hole inner wall swing joint that the top left side that runs through the piston rod formed are convenient for drive the piston rod through setting up the connecting axle and can carry out the up-and-down motion.

Further, the bottom of piston rod runs through the top of baffle, the top of movable plate in proper order and extends to the bottom below of movable plate and the top fixed mounting of piston head, spacing hole has been seted up at the top of baffle, the outer wall of piston rod and the inner wall contact in spacing hole, the left end of baffle and the left side inner wall fixed mounting of casing, the right-hand member of baffle and the right side inner wall fixed mounting of casing, the bottom of piston rod and the through-hole inner wall fixed connection who forms that runs through the top of movable plate have played spacing effect through seting up spacing hole on the baffle.

Furthermore, the top end of the fixed sliding rod is fixedly connected with the inner wall of the bottom of the baffle, the bottom end of the fixed sliding rod penetrates through the top of the moving plate and extends to the bottom lower portion of the moving plate to be fixedly connected with the top of the buffer block, and the bottom end of the fixed sliding rod is movably connected with the inner wall of the through hole formed by the top of the moving plate.

Further, first buffer spring overlaps and establishes the outer wall at fixed slide bar, first buffer spring's top and the bottom fixed connection of baffle, the top fixed connection of first buffer spring's bottom movable plate, the outer wall at fixed slide bar is established to the second buffer spring cover, the top of second buffer spring and the bottom fixed connection of movable plate, the bottom of second buffer spring and the top fixed connection of buffer block through setting up first buffer spring, second buffer spring, have reached the effect of buffering, improve stability can.

Further, the left end of buffer block and the left side inner wall fixed mounting of casing, the bottom of buffer block and the top fixed connection of limiting plate, the top of piston head and the bottom fixed connection of connecting rod, the top of connecting rod and the bottom fixed connection of sliding block.

Further, the left end of sliding block and the inner wall sliding connection of limiting plate, the right-hand member of sliding block and another the inner wall sliding connection of limiting plate, the top of sliding block and third buffer spring's bottom fixed connection, third buffer spring's top and the bottom fixed connection of buffer block have played the effect of secondary buffering through setting up third buffer spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the piston buffering device for the compressor with high stability, disclosed by the utility model, a power supply is started by a user, the motor rotates to drive the rotating rod, the rotating rod drives the two rotating wheels, the connecting shaft is arranged, so that the piston rod can be driven to move up and down, the limiting hole is formed in the baffle plate, the limiting effect is achieved, the movable plate can conveniently move on the fixed sliding rod by arranging the movable plate, the reciprocating piston motion effect is achieved, and the problem that low-pressure gas can be lifted into high-pressure gas so as to be compressed is solved.

2. According to the piston buffering device for the compressor, which is high in stability, the first buffering spring and the second buffering spring are arranged on the fixed sliding rod, so that the effect of primary buffering is achieved, the limiting plate is arranged at the bottom of the buffering block, the limiting plate plays a limiting role due to the fact that the sliding block moves up and down on the limiting plate, the effect of secondary buffering is achieved by arranging the third buffering spring, and the effect of improving stability is achieved by the effect of secondary buffering.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the buffer mechanism of the present invention;

FIG. 2 is a side view of two rotating wheels of the present invention;

FIG. 3 is an enlarged view of A of FIG. 1 of the present invention;

in the figure: the device comprises a shell 1, a buffer mechanism 2, a rotating rod 201, two rotating wheels 202, a connecting shaft 203, a piston rod 204, a baffle 205, a moving plate 206, a piston head 207, a fixed sliding rod 208, a first buffer spring 209, a second buffer spring 210, a connecting rod 211, a sliding block 212, a third buffer spring 213, a buffer block 214, a limiting plate 215, an air inlet/outlet hole 3 and an air inlet/outlet switching valve 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a piston buffer device for a compressor with high stability comprises a shell 1 and a buffer mechanism 2, wherein the buffer mechanism 2 comprises a rotating rod 201, two rotating wheels 202, a connecting shaft 203, a piston rod 204, a baffle plate 205, a moving plate 206, a piston head 207, a fixed sliding rod 208, a first buffer spring 209, a second buffer spring 210, a connecting rod 211, a sliding block 212, a third buffer spring 213, a buffer block 214 and a limit plate 215, an air inlet and outlet hole 3 is formed in the bottom of the shell 1, an exhaust switch valve 31 is arranged at the bottom of the shell 1, one end of the rotating rod 201 is fixedly connected with the inner walls of the two rotating wheels 202, the outer surfaces of the right sides of the two rotating wheels 202 are fixedly connected with the left end of the connecting shaft 203, the right end of the connecting shaft 203 penetrates through the left side of the top of the piston rod 204 and extends to the right side of the top of the piston rod 204 and is fixedly connected with the outer surfaces of the left sides of the other two rotating wheels 202, the right end of the connecting shaft 203 is movably connected with the inner wall of a through hole formed by penetrating through the left side of the top of the piston rod 204, the bottom end of the piston rod 204 penetrates through the top of the baffle plate 205 and the top of the moving plate 206 in sequence and extends to the bottom lower part of the moving plate 206 to be fixedly installed with the top of the piston head 207, the top of the baffle plate 205 is provided with a limit hole, the outer wall of the piston rod 204 is contacted with the inner wall of the limit hole, the left end of the baffle plate 205 is fixedly installed with the left inner wall of the shell 1, the right end of the baffle plate 205 is fixedly installed with the right inner wall of the shell 1, the bottom end of the piston rod 204 is fixedly connected with the inner wall of a through hole formed by penetrating through the top of the moving plate 206, the top end of the fixed slide rod 208 is fixedly connected with the inner wall of the bottom of the baffle plate 205, the bottom end of the fixed slide rod 208 penetrates through the top of the moving plate 206 and extends to the bottom lower part of the moving plate 206 to be fixedly connected with the top of the buffer block 214, the bottom end of the fixed slide rod 208 is movably connected with the inner wall of the through hole formed by penetrating through the top of the moving plate 206, and the power supply is started by a user, the motor rotates to drive the rotating rod 201, the rotating rod 201 drives the two rotating wheels 202, and the connecting shaft 203 is arranged, so that the piston rod 204 can be driven to move up and down, the limiting hole is formed in the baffle plate 205 to play a role in limiting, the moving plate 206 is arranged to facilitate the moving plate 206 to move on the fixed sliding rod 208 to achieve the effect of reciprocating piston movement, the first buffer spring 209 is sleeved on the outer wall of the fixed sliding rod 208, the top end of the first buffer spring 209 is fixedly connected with the bottom of the baffle plate 205, the bottom end of the first buffer spring 209 is fixedly connected with the top of the moving plate 206, the second buffer spring 210 is sleeved on the outer wall of the fixed sliding rod 208, the top end of the second buffer spring 210 is fixedly connected with the bottom of the moving plate 206, the bottom end of the second buffer spring 210 is fixedly connected with the top of the buffer block 214, and the left end of the buffer block 214 is fixedly installed with the inner wall on the left side of the shell 1, the bottom of the buffer block 214 is fixedly connected with the top of the limiting plate 215, the top of the piston head 207 is fixedly connected with the bottom of the connecting rod 211, the top of the connecting rod 211 is fixedly connected with the bottom of the sliding block 212, the left end of the sliding block 212 is slidably connected with the inner wall of the limiting plate 215, the right end of the sliding block 212 is slidably connected with the inner wall of the other limiting plate 215, the top of the sliding block 212 is fixedly connected with the bottom of the third buffer spring 213, the top of the third buffer spring 213 is fixedly connected with the bottom of the buffer block 214, the first buffer spring 209 and the second buffer spring 210 are arranged on the fixed sliding rod 208, the first buffer effect is achieved, the limiting plate 215 is arranged at the bottom of the buffer block 214, the limiting plate 215 performs the limiting effect due to the up-and-down movement of the sliding block 212 on the limiting plate 215, and the second buffer effect is achieved by arranging the third buffer spring 213, and the effect of improving the stability is achieved through the secondary buffering effect.

The working principle of the utility model is as follows: when a user starts a power supply, the motor rotates to drive the rotating rod 201, the rotating rod 201 drives the two rotating wheels 202, the connecting shaft 203 is arranged, so that the piston rod 204 can be driven to move up and down, the limiting hole is formed in the baffle 205 to play a limiting role, the moving plate 206 is arranged to move on the fixed sliding rod 208 conveniently, and the reciprocating piston movement effect is achieved; through set up first buffer spring 209, second buffer spring 210 on fixed slide bar 208, the effect of buffering for the first time has been reached, through set up limiting plate 215 in the bottom at buffer block 214, because sliding block 212 is the up-and-down motion on limiting plate 215, limiting plate 215 has played limiting displacement, through setting up third buffer spring 213, has played the effect of buffering for the second time, through the effect of secondary buffering, has reached the effect that improves stability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high piston buffer for compressor of stability, includes shell (1) and buffer gear (2), its characterized in that: buffer gear (2) including dwang (201), two rotation wheels (202), connecting axle (203), piston rod (204), baffle (205), movable plate (206), piston head (207), fixed slide bar (208), first buffer spring (209), second buffer spring (210), connecting rod (211), sliding block (212), third buffer spring (213), buffer block (214) and limiting plate (215), business turn over gas pocket (3) have been seted up to the bottom of shell (1), the bottom of shell (1) is provided with into ooff valve (31), the one end of dwang (201) and the inner wall fixed connection of two rotation wheels (202), the right side surface of two rotation wheels (202) and the left end fixed connection of connecting axle (203).

2. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the right end of the connecting shaft (203) penetrates through the left side of the top of the piston rod (204) and extends to the right side of the top of the piston rod (204) to be fixedly connected with the outer surfaces of the left sides of the two rotating wheels (202), and the right end of the connecting shaft (203) is movably connected with the inner wall of a through hole formed in the left side of the top of the piston rod (204).

3. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the bottom of piston rod (204) runs through the top of baffle (205), the top of movable plate (206) in proper order and extends to the bottom below of movable plate (206) and the top fixed mounting of piston head (207), spacing hole has been seted up at the top of baffle (205), the outer wall of piston rod (204) and the inner wall contact in spacing hole, the left end of baffle (205) and the left side inner wall fixed mounting of shell, the right-hand member of baffle (205) and the right side inner wall fixed mounting of shell, the bottom of piston rod (204) and the through-hole inner wall fixed connection that the top that runs through movable plate (206) formed.

4. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the top end of the fixed sliding rod (208) is fixedly connected with the inner wall of the bottom of the baffle (205), the bottom end of the fixed sliding rod (208) penetrates through the top of the moving plate (206) and extends to the bottom lower portion of the moving plate (206) to be fixedly connected with the top of the buffer block (214), and the bottom end of the fixed sliding rod (208) is movably connected with the inner wall of a through hole formed by the top of the moving plate (206).

5. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the outer wall of fixed slide bar (208) is established at first buffer spring (209) cover, the top of first buffer spring (209) and the bottom fixed connection of baffle (205), the top fixed connection of the bottom movable plate (206) of first buffer spring (209), the outer wall of fixed slide bar (208) is established at second buffer spring (210) cover, the top of second buffer spring (210) and the bottom fixed connection of movable plate (206), the bottom of second buffer spring (210) and the top fixed connection of buffer block (214).

6. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the left end of buffer block (214) and the left side inner wall fixed mounting of shell, the bottom of buffer block (214) and the top fixed connection of limiting plate (215), the top of piston head (207) and the bottom fixed connection of connecting rod (211), the top of connecting rod (211) and the bottom fixed connection of sliding block (212).

7. The piston cushioning device for a compressor with high stability according to claim 1, wherein: the left end of sliding block (212) and the inner wall sliding connection of limiting plate (215), the right-hand member and another of sliding block (212) the inner wall sliding connection of limiting plate (215), the top of sliding block (212) and the bottom fixed connection of third buffer spring (213), the top of third buffer spring (213) and the bottom fixed connection of buffer block (214).