CN221097039U - High-tightness pneumatic device - Google Patents

High-tightness pneumatic device Download PDF

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Publication number
CN221097039U
CN221097039U CN202323243164.0U CN202323243164U CN221097039U CN 221097039 U CN221097039 U CN 221097039U CN 202323243164 U CN202323243164 U CN 202323243164U CN 221097039 U CN221097039 U CN 221097039U
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piston
pneumatic device
pneumatic
wall
piston rod
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CN202323243164.0U
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赵国才
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Shenyang Hongtaiyuan Hardware Machinery Electromechanical Co ltd
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Shenyang Hongtaiyuan Hardware Machinery Electromechanical Co ltd
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Abstract

The utility model relates to the technical field of pneumatic devices, in particular to a high-tightness pneumatic device which comprises a pneumatic device main body and a piston rod, wherein the piston rod is arranged in the pneumatic device main body, the right end of the piston rod is fixedly connected with a left piston, and auxiliary structures are arranged at the inner ends of the pistons at two sides. Through making the piston that drives both sides at the piston rod slide, the sliding friction of ball and the inner wall of pneumatic means main part makes the ball rotate, and the inside lubricating oil of drive oil storage section of thick bamboo in the ball roll-off to realize scribbling the lubricating oil on the inner wall of pneumatic means main part, because the inside lubricating oil of oil storage section of thick bamboo constantly flows out, inside first spring drives the rubber buffer and outwards slides, makes the ball contact with lubricating oil all the time, thereby constantly exports lubricating oil to the inner wall of pneumatic means main part, thereby realizes lubricating the piston at piston sliding in-process.

Description

High-tightness pneumatic device
Technical Field
The utility model relates to the technical field of pneumatic devices, in particular to a high-tightness pneumatic device.
Background
The pneumatic cylinder is a pneumatic executive component which converts pneumatic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission gap and stable motion, and is widely applied to various mechanical pneumatic systems.
For example, the patent publication CN20529814aU, a pneumatic cylinder with higher tightness, the above document is slidably connected with the piston through the first sliding rod and the second sliding rod, so that the working efficiency of the device can be greatly improved, the piston can move more smoothly, the friction force generated during the movement of the piston can be greatly reduced through the sliding pad on the outer side of the piston and the sliding pad in sliding connection with the cylinder barrel, the working efficiency of the device is greatly improved, and the buffer effect can be greatly improved through the plurality of elastic groups and the elastic groups in the buffer as soft elastic groups, the structure is simple and easy to popularize, however, in the use process of the pneumatic device in the document, the inner side of the piston lacks a self-lubricating structure, so that the piston rod in the inner part drives the piston to reciprocate, friction exists between the piston and the shell of the pneumatic device, so that the piston is easy to wear out after long-time use, the tightness between the piston and the inner part of the pneumatic device is reduced, the pneumatic device is insufficient, the use of the pneumatic device is influenced, and the service life of the pneumatic device is reduced;
And in the use of the pneumatic device in the above document, the pneumatic device is usually directly connected with the external structure through a plurality of bolts, so that when the pneumatic device fails, a user needs to detach a plurality of bolts at the head end and the tail end of the pneumatic device to separate the pneumatic device from the external structure, and the number of turns of each bolt in the mode is more, and the operation needs to be repeated when the pneumatic device is reset, so that the maintenance operation of the pneumatic device is complicated, and the pneumatic device is inconvenient to maintain.
Disclosure of utility model
The utility model aims to solve the problems that the existing pneumatic device cannot realize a self-lubricating function and is inconvenient to maintain, and provides a high-tightness pneumatic device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a high leakproofness pneumatic means, includes pneumatic means main part and piston rod, the inside of pneumatic means main part is provided with the piston rod, the right-hand member of piston rod links to each other with left piston is fixed, both sides the inner of piston is provided with auxiliary structure, the right side of pneumatic means main part is laminated mutually with the fixing base on right side, the left side of piston rod is laminated mutually with left fixing base, both sides the outer end of fixing base links to each other with first connecting seat and second connecting seat is fixed respectively, the outside of fixing base is provided with connection structure, the left side of pneumatic means main part is provided with a plurality of gas ports.
Preferably, the connection structure includes the briquetting, both sides the outer wall of briquetting all links to each other with the fixing base is slided, the inboard and the guide bar looks joint of briquetting, the inboard and the stopper looks joint of guide bar, the outer end and the one end fixed continuous of second spring of stopper, the other end and the fixing base fixed continuous of second spring.
Preferably, the middle part of guide bar links to each other with the fixing base rotation, both sides the outer side of the outer wall of stopper all links to each other with the fixing base slip.
Preferably, the inner side of the outer wall of the limiting block on the left side is attached to the groove of the piston rod, and the inner side of the outer wall of the limiting block on the right side is attached to the pneumatic device main body.
Preferably, the auxiliary structure comprises an oil storage cylinder, two ends of the connecting block are fixedly connected with pistons on two sides respectively, the outer wall of the connecting block is fixedly connected with a plurality of oil storage cylinders, the inner end of the inner wall of the oil storage cylinder is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with a rubber plug, the outer wall of the rubber plug is attached to the oil storage cylinder, the outer side of the oil storage cylinder is attached to a ball, and the outer ends of the balls are attached to a pneumatic device body.
Preferably, the outer wall of the piston at both sides is attached to the main body of the pneumatic device, the right end of the piston at the right side is provided with a buffer, and the right end of the inner wall of the main body of the pneumatic device is provided with a buffer bed.
The high-tightness pneumatic device provided by the utility model has the beneficial effects that: the piston at the two sides is driven to slide by the piston rod, the sliding friction between the ball and the inner wall of the pneumatic device main body enables the ball to rotate, the lubricating oil in the oil storage cylinder is driven to slide out through the ball in the rolling process of the ball, so that the lubricating oil is coated on the inner wall of the pneumatic device main body, the first spring in the oil storage cylinder drives the rubber plug to slide outwards due to continuous outflow of the lubricating oil, the ball is enabled to be always in contact with the lubricating oil, the lubricating oil is continuously output to the inner wall of the pneumatic device main body, the piston is lubricated in the sliding process of the piston, the abrasion between the piston and the pneumatic device main body is reduced, and the sealing performance of the pneumatic device is improved;
Through inwards pressing two briquetting in the left side, the briquetting of both sides drives corresponding guide bar and rotates, the guide bar drives the stopper outwards to remove and drives the compression of second spring, make stopper and piston rod release the laminating, loosen the briquetting, then control pneumatic means main part drive piston rod right side remove, afterwards inwards press two briquetting in the right side, make right side limit block and pneumatic means main part release the laminating, dismantle pneumatic means main part, after the maintenance is accomplished, press inwards the briquetting of both sides, then be connected with the fixing base that corresponds respectively with piston rod and pneumatic means main part, loosen the briquetting afterwards, the stopper that the elasticity of second spring corresponds is connected with piston rod and pneumatic means main part, with this kind of mode has replaced original connected mode, make the maintenance operation to pneumatic means convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of FIG. 2A;
FIG. 4 is a schematic diagram of the structure of FIG. 2B;
fig. 5 is a schematic side view of fig. 2.
In the figure: 1. the pneumatic device comprises a pneumatic device main body, 2, a piston rod, 3, an auxiliary structure, 301, an oil storage cylinder, 302, a first spring, 303, a connecting block, 304, a rubber plug, 305, balls, 4, a connecting structure, 4a1, a pressing block, 4a2, a guide rod, 4a3, a second spring, 4a4, a limiting block, 4b1, a guide block, 5, a fixed seat, 6, a piston, 7, a buffer bed, 8, a first connecting seat, 9, an air port, 10, a second connecting seat, 11 and a buffer.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
Example 1:
Referring to fig. 1-5: in this embodiment, a high leakproofness pneumatic means, including pneumatic means main part 1 and piston rod 2, the inside of pneumatic means main part 1 is provided with piston rod 2, the right-hand member of piston rod 2 links to each other with left piston 6 is fixed, the inner of both sides piston 6 is provided with auxiliary structure 3, the right side of pneumatic means main part 1 is laminated with right fixing base 5 mutually, the left side of piston rod 2 is laminated with left fixing base 5 mutually, the outer end of both sides fixing base 5 is fixed with first connecting seat 8 and second connecting seat 10 respectively and is linked to each other, the outside of fixing base 5 is provided with connection structure 4, the left side of pneumatic means main part 1 is provided with a plurality of gas ports 9.
The connecting structure 4 comprises pressing blocks 4a1, the outer walls of the pressing blocks 4a1 at two sides are connected with a fixed seat 5 in a sliding manner, the inner sides of the pressing blocks 4a1 are clamped with guide rods 4a2, the inner sides of the guide rods 4a2 are clamped with limiting blocks 4a4, the outer ends of the limiting blocks 4a4 are fixedly connected with one ends of second springs 4a3, a plurality of waist-shaped grooves are respectively processed on a first connecting seat 8 and a second connecting seat 10 and are used for connecting a pneumatic device with an external structure through bolts, when the pneumatic device main body 1 is damaged and needs to be maintained, the pneumatic device main body 1 is controlled to drive a piston rod 2 to move leftwards to the maximum stroke, then the left two pressing blocks 4a1 are pressed inwards, the pressing blocks 4a1 at two sides drive the corresponding guide rods 4a2 to rotate, the guide rods 4a2 drive the limiting blocks 4a4 to move outwards to drive the second springs 4a3 to compress, the limiting blocks 4a4 are released from being attached to the piston rod 2, the pressing blocks 4a1 are loosened, then the pneumatic device main body 1 is controlled to drive the piston rod 2 to move rightwards, then the two right pressing blocks 4a1 are pressed inwards, so that the right limiting block 4a4 is detached from the pneumatic device main body 1, after maintenance is finished, the pressing blocks 4a1 on two sides are pressed inwards, then the piston rod 2 and the pneumatic device main body 1 are respectively connected with the corresponding fixing seats 5, then the pressing blocks 4a1 are released, the limiting blocks 4a4 corresponding to the elastic force of the second springs 4a3 are connected with the piston rod 2 and the pneumatic device main body 1, in this way, the original connection mode is replaced, the maintenance operation of the pneumatic device is convenient and fast, the other end of the second springs 4a3 is fixedly connected with the fixing seats 5, the middle part of the guide rod 4a2 is rotationally connected with the fixing seats 5, the outer sides of the limiting blocks 4a4 on two sides are slidingly connected with the fixing seats 5, the inner sides of the outer walls of the limiting blocks 4a4 on the left side are respectively attached with grooves of the piston rod 2, the inner side of the outer wall of the right stopper 4a4 is attached to the pneumatic device body 1.
The auxiliary structure 3 includes the oil storage cylinder 301, the both ends of connecting block 303 link to each other with the piston 6 fixed of both sides respectively, the outer wall of connecting block 303 links to each other with a plurality of oil storage cylinder 301 is fixed, as shown in fig. 4 first spring 302 is in compression state, make the piston sliding process at piston rod 2 drive both sides, the sliding friction of ball 305 and the inner wall of pneumatic means main part 1 makes ball 305 rotate, the inside lubricating oil of driving oil storage cylinder 301 in the ball 305 roll-off process passes through ball 305 roll-off, thereby realize scribbling the lubricating oil on the inner wall of pneumatic means main part 1, because the inside lubricating oil of oil storage cylinder 301 constantly flows out, inside first spring 302 drives the rubber stopper and outwards slides, make ball 305 contact with lubricating oil all the time, thereby constantly export lubricating oil to the inner wall of pneumatic means main part 1, thereby realize lubricating piston 6 in piston 6 sliding process, the wearing and tearing between piston 6 and the pneumatic means main part 1 have been reduced, the leakproofness of pneumatic means has been improved, the inner wall inner end of oil storage cylinder 301 and the fixed linking to each other of first spring 302, the other end of first spring 302 links to each other with the fixed with the rubber stopper 304, thereby realize scribbling lubricating oil on the inner wall of rubber stopper 304 and the inner wall of pneumatic means of cylinder 301, the outer wall of piston 1 and piston 1 are equipped with the outer side of piston 1, the buffer bed 1 is provided with the buffer bed 11, the outer side of buffer device is realized with the outer side of the piston 1, the buffer device is compared with the piston 1, the buffer device is equipped with the outer side of the piston 1, the buffer device is equipped with the buffer, and has been attached with the piston 1, and has been attached with the buffer device is attached with the piston 1, and has been attached with the piston 1, and has been attached with the device.
Working principle:
In the working process of the pneumatic device main body 1, the pistons at two sides are driven by the piston rod 2 to slide, the sliding friction between the balls 305 and the inner wall of the pneumatic device main body 1 causes the balls 305 to rotate, the lubricating oil in the oil storage cylinder 301 is driven by the balls 305 to slide out in the rolling process of the balls 305, so that the lubricating oil is coated on the inner wall of the pneumatic device main body 1, the first spring 302 in the inner part drives the rubber plug to slide outwards due to the continuous outflow of the lubricating oil in the oil storage cylinder 301, the balls 305 are always in contact with the lubricating oil, the lubricating oil is continuously output to the inner wall of the pneumatic device main body 1, the lubrication of the piston 6 is realized in the sliding process of the piston 6, the abrasion between the piston 6 and the pneumatic device main body 1 is reduced, the sealing property of the pneumatic device is improved,
When the pneumatic device main body 1 is damaged and needs to be maintained, the pneumatic device main body 1 is controlled to drive the piston rod 2 to move leftwards to the maximum stroke, then the two left pressing blocks 4a1 are pressed inwards, the pressing blocks 4a1 on the two sides drive the corresponding guide rods 4a2 to rotate, the guide rods 4a2 drive the limiting blocks 4a4 to move outwards to drive the second springs 4a3 to compress, the limiting blocks 4a4 are enabled to be disengaged from the piston rod 2, the pressing blocks 4a1 are released, then the pneumatic device main body 1 is controlled to drive the piston rod 2 to move rightwards, the right two pressing blocks 4a1 are pressed inwards, the right limiting blocks 4a4 are enabled to be disengaged from the pneumatic device main body 1, the pneumatic device main body 1 is detached, after maintenance is completed, the pressing blocks 4a1 on the two sides are pressed inwards, then the piston rod 2 and the pneumatic device main body 1 are respectively connected with the corresponding fixing seats 5, and then the limiting blocks 4a4 corresponding to the elasticity of the second springs 4a3 are enabled to be connected with the piston rod 2 and the pneumatic device main body 1.
Example 2:
Referring to fig. 1-5: in this embodiment, a high-tightness pneumatic device, wherein the connecting structure 4 may further include a guide block 4b1, inner ends of the guide blocks 4b1 are fixedly connected with the piston rod 2 and the pneumatic device main body 1 respectively, an outer wall of the guide block 4b1 is slidably connected with the fixing seat 5, and the piston rod 2 and the pneumatic device main body 1 can be positioned with the fixing seat 5 more quickly by limiting a sliding groove between the guide blocks 4b1 and the fixing seat 5.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a high leakproofness pneumatic means, includes pneumatic means main part (1) and piston rod (2), the inside of pneumatic means main part (1) is provided with piston rod (2), its characterized in that: the right-hand member and the left piston (6) of piston rod (2) are fixed to link to each other, both sides the inner of piston (6) is provided with auxiliary structure (3), the right side of pneumatic means main part (1) is laminated mutually with fixing base (5) on right side, the left side and the left fixing base (5) of piston rod (2) are laminated mutually, both sides the outer end of fixing base (5) is fixed with first connecting seat (8) and second connecting seat (10) respectively and is linked to each other, the outside of fixing base (5) is provided with connection structure (4), the left side of pneumatic means main part (1) is provided with a plurality of gas ports (9).
2. A high tightness pneumatic device according to claim 1, wherein: connection structure (4) are including briquetting (4 a 1), both sides the outer wall of briquetting (4 a 1) all links to each other with fixing base (5) slip, the inboard and guide bar (4 a 2) looks joint of briquetting (4 a 1), the inboard and stopper (4 a 4) looks joint of guide bar (4 a 2), the outer end of stopper (4 a 4) links to each other with the one end fixed of second spring (4 a 3), the other end and the fixing base (5) of second spring (4 a 3) are fixed continuous.
3. A high tightness pneumatic device according to claim 2, wherein: the middle part of guide bar (4 a 2) rotates with fixing base (5) to link to each other, both sides the outer side of the outer wall of stopper (4 a 4) all links to each other with fixing base (5) slip.
4. A high tightness pneumatic device according to claim 2, wherein: the inner sides of the outer walls of the limiting blocks (4 a 4) on the left side are respectively attached to the grooves of the piston rod (2), and the inner sides of the outer walls of the limiting blocks (4 a 4) on the right side are attached to the pneumatic device main body (1).
5. A high tightness pneumatic device according to claim 1, wherein: auxiliary structure (3) are including oil storage section of thick bamboo (301) and connecting block (303), the both ends of connecting block (303) are fixed continuous with piston (6) of both sides respectively, the outer wall of connecting block (303) is fixed continuous with a plurality of oil storage section of thick bamboo (301), the inner wall inner of oil storage section of thick bamboo (301) is fixed continuous with one end of first spring (302), the other end of first spring (302) is fixed continuous with rubber buffer (304), the outer wall of rubber buffer (304) is laminated with oil storage section of thick bamboo (301) mutually, the outside of oil storage section of thick bamboo (301) is laminated with ball (305) mutually, a plurality of the outer end of ball (305) all is laminated with pneumatic means main part (1) mutually.
6. A high tightness pneumatic device according to claim 1, wherein: the outer wall of the piston (6) at two sides is attached to the pneumatic device main body (1), the right end of the piston (6) at the right side is provided with a buffer (11), and the right end of the inner wall of the pneumatic device main body (1) is provided with a buffer bed (7).
CN202323243164.0U 2023-11-29 2023-11-29 High-tightness pneumatic device Active CN221097039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323243164.0U CN221097039U (en) 2023-11-29 2023-11-29 High-tightness pneumatic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323243164.0U CN221097039U (en) 2023-11-29 2023-11-29 High-tightness pneumatic device

Publications (1)

Publication Number Publication Date
CN221097039U true CN221097039U (en) 2024-06-07

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ID=91308164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323243164.0U Active CN221097039U (en) 2023-11-29 2023-11-29 High-tightness pneumatic device

Country Status (1)

Country Link
CN (1) CN221097039U (en)

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