CN218030900U

CN218030900U - Cylinder with micro valve

Info

Publication number: CN218030900U
Application number: CN202222617653.7U
Authority: CN
Inventors: 李习胜; 李习省
Original assignee: Aimai Pneumatic Technology Co ltd
Current assignee: Aimai Pneumatic Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-13
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a cylinder with microvalve belongs to cylinder technical field, and it has solved the more and inconvenient problem of use of current cylinder pipeline. This cylinder with miniature valve, including the front end housing, rear end cap and cylinder, first step groove has all been seted up to the one end of front end housing and rear end cap, two first step grooves respectively with the interior week both ends threaded connection of cylinder, first gas pocket has been seted up on the front end housing, first gas pocket and the inside intercommunication of cylinder, the inside sliding connection of cylinder has the piston, the piston is connected with piston rod and elastic component through the connecting piece, elastic component and the interior week connection of front end housing, the front end housing is stretched out to the other end of piston rod, the rear end cap is connected with miniature valve through the second gas pocket. The utility model has the advantages of can effectively reduce the pipeline of cylinder and can improve the convenience that the cylinder used.

Description

Cylinder with micro valve

Technical Field

The utility model belongs to the technical field of the cylinder, a cylinder, especially a cylinder with miniature valve is related to.

Background

The cylinder is a cylindrical metal part which guides the piston to do linear reciprocating motion in the cylinder. Air converts thermal energy into mechanical energy by expansion in an engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase pressure. The housing of a turbine, a rotary piston engine or the like is often also referred to as a "cylinder". The application field of the cylinder is as follows: printing (tension control), semiconductors (spot welding machines, chip grinding), automation control, robotics, etc. The cylinder has two types of reciprocating linear motion and reciprocating swing.

Through retrieval, for example, chinese patent document discloses a micro cylinder [ application number: 201620512222.6; publication No.: CN205780004U ]. The micro cylinder comprises a cylinder body, a front end cover, a rear end cover and a piston rod, wherein the front end cover and the rear end cover are respectively arranged on two sides of the cylinder body, the tail end of the front end cover is provided with a protrusion, the front end cover is clamped and connected with the cylinder body through the protrusion, the rear end cover is fixedly connected with the cylinder body, the piston rod is arranged on the inner side of the cylinder body, the tail end of the piston rod is provided with a piston, the surface of the piston is provided with one-way sealing rings, the number of the one-way sealing rings is more than one, the rear end cover is provided with a mounting hole, the mounting hole is a threaded mounting hole, the bottom of the front end cover is provided with a connecting piece, the connecting piece is clamped and connected with the front end cover, and the front end of the piston rod is in a threaded arrangement.

The miniature cylinder disclosed in this patent, though it is convenient to install and dismantle, this cylinder during operation need connect and establish a plurality of trachea, through a plurality of trachea alternate work, realizes the reciprocating motion of piston, so use inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, having proposed a cylinder with miniature valve, the technical problem that this utility model will solve is: how to realize effectively reducing the pipeline of cylinder and can improve the convenience that the cylinder used.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an air cylinder with miniature valve, including the front end housing, rear end cap and cylinder, first step groove has all been seted up to the one end of front end housing and rear end cap, two first step grooves respectively with the interior week both ends threaded connection of cylinder, first gas pocket has been seted up on the front end housing, first gas pocket and the inside intercommunication of cylinder, the inside sliding connection of cylinder has the piston, the piston is connected with piston rod and elastic component through the connecting piece, elastic component and the interior week connection of front end housing, the front end housing is stretched out to the other end of piston rod, the rear end cap is connected with miniature valve through the second gas pocket.

The utility model discloses a theory of operation is: when the piston needs to be reset, the micro valve opens the connecting channel, so that the gas between the piston and the rear end cover is pumped out and forms negative pressure, the piston drives the piston rod to move close to the rear end cover, the piston resetting speed is accelerated under the action of the elastic component, the reciprocating motion of the piston rod can be realized, the convenience of the work of the cylinder is improved, the arrangement of pipelines is reduced, and the gas pumping equipment can be protected. The cylinder is simple in structure, convenient to manufacture and use, convenient to install and disassemble and convenient to later maintenance, and improves the practicability of the cylinder.

The connecting piece includes nut and supporting seat, and the supporting seat is close to the one end of rear end cap and is contradicted with the piston, and the inside cavity of having seted up of supporting seat, piston rod include thick footpath section and thin footpath section, the one end of thin footpath section pass supporting seat and piston in proper order and with nut threaded connection, be provided with the packing ring between nut and the piston, the junction and the cavity inner wall conflict of thick footpath section and thin footpath section, the supporting seat is connected with elastic component.

By adopting the structure, when the piston moves, the piston drives the supporting seat to move, the supporting seat drives the elastic component to store force, the elastic component enables the piston to reset quickly through the supporting seat, the piston rod and the elastic component can work when the piston moves, the installation and the disassembly are convenient, and the later maintenance is convenient.

The elastic component comprises a spring, a protruding portion is arranged on the periphery of one end, close to the piston, of the supporting seat, the spring is sleeved on the supporting seat and abutted to the protruding portion, and the other end of the spring is abutted to the front end cover.

Structure more than adopting, when admitting air, the piston drives the support seat and is close to the front end housing and removes, and the bulge on the supporting seat makes the spring compression hold up power, when bleeding, piston reverse movement under the effect of negative pressure, simultaneously under the effect of spring, the supporting seat drives piston reverse movement, so accelerated the speed that the piston resets, improved the work efficiency of cylinder.

The miniature valve comprises a valve plate, the valve plate is in threaded connection with the rear end cover through a plurality of threaded nails, and a mini connector and a valve body are connected to the valve plate.

Structure more than adopting, during the use, external trachea and mini articulate, and the setting of miniature valve is integrated as afterbody single valve trachea with the motion mode of cylinder and is connected, realizes toward the reciprocating motion of piston rod, reduces the addding of trachea pipeline, has improved the convenience of cylinder work, also effectual protection air suction equipment of admitting air.

The piston is close to the one end periphery of supporting seat and has been seted up the second step groove, is provided with sealed the pad on the second step groove, and the periphery that seals up is contradicted with the cylinder inner periphery.

By adopting the structure, the arrangement of the sealing gasket can effectively ensure the normal work of the piston, and the gas is prevented from flowing between the piston and the front end cover.

First ring channels are formed in the first step grooves, first sealing rings are arranged in the first ring channels, and the outer peripheries of the first sealing rings are abutted to the inner peripheries of the cylinder barrels.

The inner peripheries of the front end cover and the piston are respectively provided with a second annular groove and a third annular groove, the third annular groove is positioned at one end, close to the supporting seat, of the piston, second sealing rings are arranged in the second annular groove and the third annular groove, and the inner peripheries of the second sealing rings are abutted to the piston rod.

By adopting the structure, the air tightness of the air cylinder can be effectively improved by arranging the first sealing ring and the second sealing ring.

The other end of the piston rod is provided with a first connecting hole.

And a second connecting hole is formed in the protruding part at the other end of the rear end cover.

The structure more than adopting, the setting of first connecting hole and second connecting hole is convenient for piston rod and rear end cap to connect external device.

Compared with the prior art, the cylinder with the micro valve has the following advantages:

1. when the piston needs to be reset, the micro valve opens the connecting channel, so that the gas between the piston and the rear end cover is pumped out and forms negative pressure, the piston drives the piston rod to move close to the rear end cover, the piston resetting speed is accelerated under the action of the elastic component, the reciprocating motion of the piston rod can be realized, the convenience of the work of the cylinder is improved, the arrangement of pipelines is reduced, and the gas inlet equipment can be protected. The cylinder is simple in structure, convenient to manufacture and use, convenient to install and detach, convenient to later maintenance and capable of improving the practicability of the cylinder.

2. During operation, the piston drives the supporting seat to move, the supporting seat drives the elastic component to store force, the elastic component enables the piston to reset rapidly through the supporting seat, when the piston moves, the piston rod and the elastic component can work, and the installation and the disassembly are convenient, and the later maintenance is convenient.

3. During the use, external air suction equipment that admits air is connected with mini joint, and the setting of miniature valve is integrated as afterbody single valve trachea with the motion mode of cylinder and is connected, realizes toward the reciprocating motion of piston rod, reduces the addding of trachea pipeline, has improved the convenience of cylinder work, also the effectual air inlet unit of having protected.

4. The setting of sealed pad can effectively guarantee the piston and normally work, avoids the gas flow to reach between the piston to the front end housing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an exploded view of the present invention.

In the figure, 1, a front end cover; 2. a rear end cap; 3. a cylinder barrel; 4. a first air hole; 5. a piston; 6. a piston rod; 7. a micro valve; 8. a nut; 9. a supporting base; 10. a spring; 11. a valve plate; 12. a second air hole; 13. a gasket; 14. a first seal ring; 15. a second seal ring; 16. a valve body; 18. a first connection hole; 19. a second connection hole; 20. and (5) mini joints.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, the cylinder with the micro valve comprises a front end cover 1, a rear end cover 2 and a cylinder barrel 3, wherein first step grooves are formed in one ends of the front end cover 1 and the rear end cover 2, the two first step grooves are respectively in threaded connection with two ends of the inner periphery of the cylinder barrel 3, a first air hole 4 is formed in the front end cover 1, the first air hole 4 is communicated with the inner portion of the cylinder barrel 3, a piston 5 is connected to the inner portion of the cylinder barrel 3 in a sliding mode, the piston 5 is connected with a piston rod 6 and an elastic assembly through a connecting piece, the elastic assembly is connected with the inner periphery of the front end cover 1, the other end of the piston rod 6 extends out of the front end cover 1, and the rear end cover 2 is connected with the micro valve 7 through a second air hole 12.

When the piston is required to reset, the micro valve 7 opens the connecting channel, so that the air between the piston 5 and the rear end cover 2 is pumped out and forms negative pressure, the piston 5 drives the piston rod 6 to move close to the rear end cover 2, meanwhile, the resetting speed of the piston 5 is accelerated under the action of the elastic component, the reciprocating motion of the piston rod 6 can be realized by integrating the tail part of the motion mode of the cylinder into the single valve air pipe connection, the convenience of the work of the cylinder is improved, the arrangement of pipelines is also reduced, and meanwhile, the air pumping protection device can be protected. The cylinder is simple in structure, convenient to manufacture and use, convenient to install and detach, convenient to later maintenance and capable of improving the practicability of the cylinder.

The connecting piece includes nut 8 and supporting seat 9, and supporting seat 9 is contradicted with piston 5 near the one end of rear end cap 2, and the cavity has been seted up to supporting seat 9 is inside, and piston rod 6 includes thick footpath section and thin footpath section, and the one end of thin footpath section is passed supporting seat 9 and piston 5 in proper order and with 8 threaded connection of nut, is provided with the packing ring between nut 8 and the piston 5, and the junction and the cavity inner wall of thick footpath section and thin footpath section are contradicted, and supporting seat 9 is connected with elastic component.

During operation, piston 5 drives supporting seat 9 and removes, and supporting seat 9 drives elastic component and holds power, and elastic component makes piston 5 reset fast through supporting seat 9, and when so piston 5 removed, piston rod 6 and elastic component all can work, and the installation is all very convenient with the dismantlement, the later maintenance of being convenient for.

Elastic component includes spring 10, and the one end periphery that supporting seat 9 is close to piston 5 is provided with the bulge, and spring 10 cup joints on supporting seat 9 and contradicts with the bulge, and spring 10's the other end contradicts with front end housing 1.

When admitting air, piston 5 drives supporting seat 9 and is close to front end housing 1 and removes, and the bulge on the supporting seat 9 makes spring 10 compression accumulate power, when bleeding, and piston 5 antiport under the effect of negative pressure, simultaneously under the effect of spring 10, supporting seat 9 drives piston 5 antiport, has so accelerated the speed that piston 5 resets, has improved the work efficiency of cylinder.

The micro valve 7 comprises a valve plate 11, the valve plate 11 is in threaded connection with the rear end cover 2 through a plurality of threaded nails, and a mini connector 20 and a valve body 16 are connected to the valve plate 11.

During the use, external trachea is connected with mini joint 20, and the setting of miniature valve 7 is integrated as afterbody single valve trachea with the motion mode of cylinder and is connected, realizes toward piston rod 6's reciprocating motion, reduces the addding of trachea line, has improved the convenience of cylinder work, has also effectually protected air suction equipment that admits air.

The piston 5 has been offered the second step groove near the one end periphery of supporting seat 9, is provided with sealed the pad 13 on the second step groove, and the periphery of sealed pad 13 is contradicted with the inner periphery of cylinder 3.

The arrangement of the sealing gasket 13 can effectively ensure the normal work of the piston 5 and avoid the gas from flowing between the piston 5 and the front end cover 1.

First annular grooves are formed in the first step grooves, first sealing rings 14 are arranged in the first annular grooves, and the outer peripheries of the first sealing rings 14 are abutted to the inner peripheries of the cylinder barrels 3.

The arrangement of the first sealing ring 14 can effectively improve the air tightness of the cylinder.

Second ring channel and third ring channel have been seted up respectively to the interior week of front end housing 1 and piston 5, and the third ring channel is located piston 5 and is close to the one end of supporting seat 9, all is provided with second sealing washer 15 in second ring channel and the third ring channel, and the interior week of second sealing washer 15 is contradicted with piston rod 6.

The air tightness in the cylinder can be effectively improved by the arrangement of the second sealing ring 15.

The other end of the piston rod 6 is provided with a first connecting hole 18.

The protruding portion of the other end of the rear end cap 2 is opened with a second connection hole 19.

The arrangement of the first connecting hole 18 and the second connecting hole 19 facilitates the connection of the piston rod 6 and the rear end cap 2 to an external device.

The working principle of the utility model is that when in use, be connected with external equipment through first connecting hole 18 and second connecting hole 19, be connected mini joint 20 with external trachea, when admitting air, gas gets into micro valve 7, micro valve 7 opens and communicates the passageway with second gas pocket 12, then gas gets into inside the cylinder body through second gas pocket 12, gas promotes piston 5, piston 5 drives piston rod 6 and supporting seat 9 and moves near front end housing 1, make piston rod 6 extend outside the cylinder body, supporting seat 9 makes spring 10 compress and hold up power simultaneously, piston 5 discharges through first gas pocket 4 to the air between the front end housing 1, when maintaining operating condition, micro valve 7 blocks up connecting channel, make the unable reverse output of the inside atmospheric pressure of cylinder body, thereby make piston rod 6 keep motionless, when bleeding, micro valve 7 opens connecting channel, make the inside gas of cylinder body be taken out and form the negative pressure, piston 5 reverse movement, simultaneously under the effect of spring 10, supporting seat 9 drives piston 5 reverse movement, the speed that piston 5 resets has been accelerated.

In conclusion, the front end cover 1, the cylinder barrel 3, the micro valve 7 and other components are matched, so that the functions of effectively reducing pipelines of the cylinder and improving the convenience of using the cylinder are realized.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a cylinder with miniature valve, including front end housing (1), rear end cap (2) and cylinder (3), a serial communication port, first step groove has all been seted up to the one end of front end housing (1) and rear end cap (2), two first step grooves respectively with cylinder (3) interior both ends threaded connection, first gas pocket (4) have been seted up on front end housing (1), first gas pocket (4) and cylinder (3) inside intercommunication, cylinder (3) inside sliding connection has piston (5), piston (5) are connected with piston rod (6) and elastic component through the connecting piece, elastic component and front end housing (1) interior week are connected, front end housing (1) is stretched out to the other end of piston rod (6), rear end cap (2) are connected with miniature valve (7) through second gas pocket (12).

2. The cylinder with the micro valve according to claim 1, wherein the connecting member comprises a nut (8) and a support (9), one end of the support (9) near the rear end cap (2) abuts against the piston (5), a cavity is formed inside the support (9), the piston rod (6) comprises a large diameter section and a small diameter section, one end of the small diameter section sequentially penetrates through the support (9) and the piston (5) and is in threaded connection with the nut (8), a gasket is arranged between the nut (8) and the piston (5), the joint of the large diameter section and the small diameter section abuts against the inner wall of the cavity, and the support (9) is connected with the elastic component.

3. The cylinder with micro valve according to claim 1, wherein the elastic member comprises a spring (10), a protrusion is provided on the outer periphery of one end of the support seat (9) near the piston (5), the spring (10) is sleeved on the support seat (9) and is abutted against the protrusion, and the other end of the spring (10) is abutted against the front end cap (1).

4. The cylinder with microvalve according to claim 1, wherein the microvalve (7) includes a valve plate (11), the valve plate (11) is screwed to the rear end cap (2) by a plurality of screw nails, and a mini joint (20) and a valve body (16) are connected to the valve plate (11).

5. The cylinder with the micro valve as claimed in claim 3, wherein a second stepped groove is formed on an outer periphery of an end of the piston (5) adjacent to the support base (9), a seal gasket (13) is disposed on the second stepped groove, and an outer periphery of the seal gasket (13) is abutted against an inner periphery of the cylinder tube (3).

6. The cylinder with the micro valve as claimed in claim 1, wherein a first annular groove is formed in each of the two first step grooves, a first seal ring (14) is disposed in the first annular groove, and an outer periphery of the first seal ring (14) abuts against an inner periphery of the cylinder tube (3).

7. The cylinder with the micro valve as claimed in claim 3, wherein the front end cover (1) and the inner periphery of the piston (5) are respectively provided with a second annular groove and a third annular groove, the third annular groove is located at one end of the piston (5) close to the supporting seat (9), a second sealing ring (15) is arranged in each of the second annular groove and the third annular groove, and the inner periphery of the second sealing ring (15) is abutted against the piston rod (6).

8. The cylinder with microvalve according to claim 1, wherein the other end of the piston rod (6) is provided with a first connection hole (18).

9. The cylinder with a micro-valve as set forth in claim 1, wherein the protruding portion of the other end of the rear end cap (2) is provided with a second connecting hole (19).