CN220204251U - Combined cylinder guide sleeve and combined cylinder - Google Patents

Abstract

The utility model relates to the technical field of air cylinders, in particular to a combined air cylinder guide sleeve and a combined air cylinder, wherein the combined air cylinder guide sleeve comprises: the front cover is fixedly connected to the air cylinder and is of a hollow structure; the guide sleeve base body is fixedly arranged in one end, far away from the cylinder, of the front cover; and the piston rod passes through the hollow channel of the front cover and moves along the length direction of the rod. According to the utility model, the front cover is fixedly connected to the air cylinder, then the guide sleeve base body is pressed into a hole arranged in one end of the front cover, which is far away from the air cylinder, the piston rod passes through the hollow channel of the front cover and moves along the length direction of the rod, the guide sleeve base body not only has a sealing effect, but also has a friction reducing effect when the piston rod moves in the front cover, and the front cover is further protected; the inside part of uide bushing base member all can be replaced, can replace at any time when the part damages to simple to operate has saved a lot of manpowers.

Description

Combined cylinder guide sleeve and combined cylinder

Technical Field

The utility model relates to the technical field of air cylinders, in particular to a combined air cylinder guide sleeve and a combined air cylinder.

Background

In the use process of a common cylinder, a front cover sealing piece is easy to age, and abrasion phenomenon is easy to occur, so that leakage of the front cover can be caused. Due to the damage of the sealing member, more water and garbage impurities enter the grooves of the end cover, oxidation abrasion of the grooves of the cylinder end cover body is easy to cause, so that the whole front cover cannot be used, and when the sealing member is installed and maintained for a common cylinder, the steps are troublesome and time-consuming.

In order to solve the problems, a combined cylinder guide sleeve and a combined cylinder are designed.

The disclosure of this background section is only for the purpose of enhancing an understanding of the general background of the utility model and should not be taken as an admission or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.

Disclosure of Invention

The utility model provides a combined air cylinder guide sleeve, which is used for effectively solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a combined cylinder guide sleeve and a combined cylinder, comprising:

the front cover is fixedly connected to the air cylinder and is of a hollow structure;

the guide sleeve comprises a guide sleeve base body, a guide sleeve base body and a guide sleeve, wherein the guide sleeve base body comprises a dust ring, a sealing piece for a shaft and a supporting ring; the guide sleeve base body is fixedly arranged in one end, far away from the cylinder, of the front cover;

and the piston rod passes through the hollow channel of the front cover and moves along the length direction of the rod.

Further, one end of the guide sleeve base body far away from the air cylinder is provided with a check ring.

Wherein, the uide bushing base member is provided with the chamfer.

Further, a sealing ring is arranged at the joint of the guide sleeve base body and the front cover.

Further, the outside of uide bushing base member is provided with prevents changeing the groove, the protecgulum outside is provided with the screw hole, the screw hole with prevent changeing the groove and pass through the screw realization cooperation.

Further, the dust ring and the shaft seal may be provided as an integral dust-proof combination ring.

Further, a sealing ring is arranged at the joint of the front cover and the air cylinder.

Further, the front cover is internally provided with a step and externally provided with a chamfer.

The utility model also comprises a combined cylinder, comprising the combined cylinder guide sleeve.

The beneficial effects of the utility model are as follows: according to the utility model, the front cover is fixedly connected to the air cylinder, the guide sleeve base body is lightly pressed into the hole formed in the front cover, which is far away from the air cylinder, the piston rod moves along the length direction of the rod through the hollow channel of the front cover, the dust ring in the guide sleeve base body prevents external dust, rainwater, frost and other dirt from entering the air cylinder to damage the air cylinder, and when the piston rod returns, the dust ring can scrape dirt adhered to the surface of the piston rod, so that the rear sealing ring and the supporting ring are protected from damage; the shaft sealing element in the guide sleeve matrix can have good sealing effect under dynamic or static conditions, and can play a role in buffering the rapid movement of the piston rod; the supporting ring in the guide sleeve plays a role in supporting and ensuring the coaxiality movement of the piston rod and the cylinder barrel, can inhibit the swing of the piston rod and further protects the front cover; the inside part of uide bushing base member all can be replaced, can replace at any time when the part damages to simple to operate has saved a lot of manpowers.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a combined cylinder guide sleeve and a combined cylinder structure

Fig. 2 is a schematic diagram of a combined cylinder guide sleeve structure applied to a common cylinder

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2

Fig. 4 is a schematic diagram of a combined cylinder guide sleeve structure applied to a thin cylinder

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4

Reference numerals: 1. a front cover; 11. a threaded hole; 2. a guide sleeve base body; 21. a dust ring; 22. a shaft seal; 23. a support ring; 24. an anti-rotation groove; 25. a retainer ring; 26. a dustproof combination ring; 3. a piston rod; 4. a seal ring; 5. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4: a combined cylinder guide sleeve and a combined cylinder, comprising:

the front cover 1 is fixedly connected to the air cylinder 5 and is of a hollow structure;

the guide sleeve base body 2 comprises a dust ring 21, a shaft sealing piece 22 and a supporting ring 23, and is fixedly arranged in one end of the front cover 1 far away from the cylinder;

the piston rod 3, the piston rod 3 passes through the hollow channel of the front cover 1 and moves along the length direction of the rod.

The front cover 1 is fixedly connected to the air cylinder, the guide sleeve base body 2 is lightly pressed into a hole formed in one end, far away from the air cylinder, of the front cover 1, the piston rod 3 moves along the length direction of the rod through a hollow channel of the front cover 1, dust rings 21 in the guide sleeve base body 2 prevent external dust, rainwater, frost and other dirt from entering the air cylinder to damage the air cylinder, and when the piston rod 3 returns, the dust rings 21 can scrape dirt adhered to the surface of the piston rod 3 to protect the rear sealing ring 4 and the supporting ring 23 from damage; the shaft sealing element 22 in the guide sleeve base body 2 can play a good sealing effect under dynamic or static conditions, and can play a role in buffering the rapid movement of the piston rod 3; the supporting ring 23 in the guide sleeve plays a role in supporting and ensuring the coaxiality movement of the piston rod 3 and the cylinder barrel, can inhibit the swing of the piston rod 3 and further protects the front cover 1; the inner parts of the guide sleeve base body 2 can be replaced at any time when the parts are damaged, and the guide sleeve is convenient to install and saves a lot of manpower.

As a preference to the above-described embodiment, the end of the guide sleeve base 2 remote from the cylinder 5 is provided with a collar 25.

Through setting up retaining ring 25 in the one end that cylinder 5 was kept away from to uide bushing base member 2 for be fixed in the inside of protecgulum 1 with uide bushing base member 2, compare in through screw fixation with compress tightly fixedly, need not consider the screw failure and compress tightly the problem that leads to uide bushing base member 2 damage, and when uide bushing base member 2 goes wrong, it is timely and convenient to change the inside part.

Wherein, uide bushing base member 2 is provided with the chamfer, is fixed in the inside in-process of protecgulum 1 at uide bushing base member 2, and the edges and corners all around can cause certain wearing and tearing to protecgulum 1 inside, polishes into the chamfer with the edges and corners of uide bushing base member 2, has reduced the damage of edges and corners to protecgulum 1 inside.

In this embodiment, the connection between the guiding sleeve base 2 and the front cover 1 is provided with a sealing ring 4, so as to prevent the oil or grease inside from leaking outwards through the gap between the guiding base and the front cover 1, and prevent the external water or dust and other substances from invading inwards through the gap between the guiding base and the front cover 1.

As a preference of the above embodiment, the guide sleeve base 2 is provided with an anti-rotation groove 24 on the outside, the front cover 1 is provided with a threaded hole 11 on the outside, and the threaded hole 11 and the anti-rotation groove 24 are engaged by a screw.

Through set up anti-rotation groove 24 in uide bushing base member 2 outside, the screw hole 11 outside anti-rotation groove 24 and protecgulum 1 that sets up passes through the screw and realizes fixed cooperation, has avoided uide bushing base member 2 to receive piston rod 3 influence and produce the circumstances of self rotation effectively to influence uide bushing base member 2 to the effect that protecgulum 1 and piston rod 3 produced.

In the present embodiment, the dust ring 21 and the shaft seal 22 may be provided as an integrated dust combination ring 26.

By providing the dust ring 21 and the shaft seal 22 as an integral dust-proof combined ring 26, the combined dust-proof combined ring is applied to the thin type air cylinder 5, the common air cylinder 5 is not needed, and the integral dust-proof combined ring 26 not only saves space but also has better combined effect with the thin type air cylinder 5.

In this embodiment, the junction of the front cover 1 and the cylinder 5 is provided with the sealing ring 4, so as to prevent the oil or grease inside from leaking outwards through the gap at the junction of the front cover 1 and the cylinder 5, and prevent the external water or dust and other substances from invading inwards through the gap at the junction of the front cover 1 and the cylinder 5.

In the embodiment, the step is arranged inside the front cover 1 and the chamfer is arranged outside the front cover, the step of the front cover 1 plays a role in limiting and is matched with the retainer ring 25 to prevent the guide sleeve base 2 from moving left and right to fly out when the guide sleeve base 2 is installed, and meanwhile, a good fixing effect is achieved; the chamfer of the outer part of the front cover 1 avoids the condition that the chamfer of the outer part of the front cover 1 damages the human body.

In this embodiment, a combined cylinder 5 is further included, including the combined cylinder 5 guide sleeve described above.

The front cover 1 is fixedly connected to the combined cylinder 5, the guide sleeve base body 2 is lightly pressed into a hole formed in one end, far away from the cylinder 5, of the front cover 1, the guide sleeve base body 2 is fixed through the cooperation of the retainer ring 25 and the step, and the piston rod 3 moves along the length direction of the rod through a hollow channel of the front cover 1. When in operation, the combined cylinder 5 drives the piston rod 3 to do reciprocating motion. When the combined cylinder 5 in the embodiment is maintained and installed, the complicated cleaning of the grooves of the cylinder 5 is not needed, and the influence on the oxidation and abrasion of the end cover of the cylinder 5 is reduced.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. A combination cylinder guide sleeve, comprising:

the front cover (1) is fixedly connected to the air cylinder and is of a hollow structure;

a guide sleeve base body (2), wherein the guide sleeve base body (2) comprises a dust ring (21), a sealing element (22) for a shaft and a supporting ring (23); the guide sleeve base body (2) is fixedly arranged in one end, far away from the air cylinder, of the front cover (1);

the piston rod (3) passes through the hollow channel of the front cover (1) and moves along the length direction of the rod.

2. A combined cylinder guide sleeve according to claim 1, characterized in that the end of the guide sleeve base body (2) remote from the cylinder is provided with a retainer ring (25).

3. A combined cylinder guide according to claim 2, characterized in that the guide sleeve base body (2) is provided with a chamfer.

4. The combined cylinder guide sleeve according to claim 1, characterized in that a sealing ring (4) is arranged at the joint of the guide sleeve base body (2) and the front cover (1).

5. The combined cylinder guide sleeve according to claim 4, wherein an anti-rotation groove (24) is formed in the outer portion of the guide sleeve base body (2), a threaded hole (11) is formed in the outer portion of the front cover (1), and the threaded hole (11) is matched with the anti-rotation groove (24) through a screw.

6. The combined cylinder guide according to claim 1, characterized in that the dust ring (21) and the shaft seal (22) can be provided as an integrated dust-proof combined ring (26).

7. The combined cylinder guide sleeve according to claim 1, wherein a sealing ring (4) is arranged at the joint of the front cover (1) and the cylinder.

8. The combined cylinder guide sleeve according to claim 1, characterized in that the front cover (1) is internally provided with steps and externally provided with chamfers.

9. A combination cylinder comprising a combination cylinder guide sleeve as claimed in any one of claims 1 to 8.