CN220415890U - Hydraulic cylinder guide structure - Google Patents

Abstract

The utility model relates to the technical field of hydraulic cylinders and discloses a hydraulic cylinder guide structure, which comprises a cylinder barrel, wherein the right side of the cylinder barrel is provided with a cylinder bottom, the inside of the cylinder barrel is fixedly connected with a plurality of guide rods, the right side between two guide rods is in sliding connection with a piston, the outer side of the piston is provided with a wear-resisting ring, the outer side of the wear-resisting ring is attached to the inner wall of the cylinder barrel, the left side of the piston is fixedly connected with a hydraulic rod, the left side of the cylinder barrel is provided with a cylinder cover, the left side of the cylinder cover is fixedly connected with a connector, the left end of the hydraulic rod penetrates through the connector, the outer side of the connector is provided with a plurality of connecting sleeves, one sides of the two connecting sleeves, which are close to each other, are provided with grooves, and a cleaning mechanism is arranged in the grooves; when the hydraulic cylinder is used, the wear time of the piston in the use process is greatly slowed down while the motion stability of the hydraulic rod is ensured, so that the service life of the hydraulic cylinder is greatly prolonged.

Description

Hydraulic cylinder guide structure

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder guiding structure.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines.

In the use of the hydraulic cylinder, in-process of linear reciprocating motion is carried out on the hydraulic rod in the hydraulic cylinder for a long time, in order to prevent uneven stress of the hydraulic rod, a guide sleeve is arranged on the hydraulic rod generally, so that the hydraulic rod can stably move, but the guide sleeve is easy to wear in the long-time use process, so that the hydraulic rod can not necessarily keep stably moving in the moving process, and meanwhile, in order to prevent the hydraulic rod from driving external impurities to enter the cylinder barrel during moving, the abrasion of the guide sleeve is aggravated, a dust ring is arranged in the cylinder cover, the cylinder cover is required to be detached when the dust ring is replaced, and the external impurities after the cylinder cover is detached also easily enter the cylinder barrel, so that the service life of the hydraulic cylinder is influenced. Accordingly, a hydraulic cylinder guide structure is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

In order to solve the problems that after abrasion of a guide sleeve, stable movement of a hydraulic rod cannot be guaranteed, the service life of a hydraulic cylinder is influenced, and meanwhile, a dust ring is inconvenient to replace, the utility model provides a hydraulic cylinder guide structure.

The hydraulic cylinder guiding structure provided by the utility model adopts the following technical scheme: the utility model provides a pneumatic cylinder guide structure, includes the cylinder, the right side of cylinder is provided with the cylinder bottom, the inside fixedly connected with of cylinder a plurality of guide bars, two right side between the guide bar slides and is connected with the piston, the outside of piston is provided with the antifriction ring, just the outside of antifriction ring and the inner wall laminating of cylinder, the left side fixedly connected with hydraulic stem of piston, the left side of cylinder is provided with the cylinder cap, the left side fixedly connected with connector of cylinder cap, just the left end of hydraulic stem runs through the connector, the outside of connector is provided with a plurality of adapter sleeves, two the one side that the adapter sleeve is close to each other is all seted up flutedly, be provided with clean mechanism in the recess.

Preferably, the cleaning mechanism comprises an arc-shaped air bag and cleaning cotton, the arc-shaped air bag is fixedly connected in the groove, the cleaning cotton is arranged at one end of the arc-shaped air bag, which is far away from the inner wall of the groove, and one side of the cleaning cotton, which is far away from the arc-shaped air bag, is attached to the outer side of the hydraulic rod.

Preferably, a fixing ring is fixedly connected to the left side between the two guide rods, a sealing ring is arranged on the outer side of the fixing ring, and the outer side of the sealing ring is attached to the inner wall of the cylinder barrel.

Preferably, the upper side and the lower side of the connecting sleeve are both provided with mounting holes, fixing bolts are arranged in the mounting holes, and the two connecting sleeves are connected through the fixing bolts.

Preferably, the two guide rods are symmetrically distributed up and down inside the cylinder barrel.

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

1. the hydraulic rod guide device is provided with the guide rods, the pistons, the wear-resistant rings, the fixing rings and the sealing rings, when the hydraulic rod moves, the pistons slide on the two guide rods, so that the hydraulic rod is more stable in the moving process, and meanwhile, the wear resistance of the pistons in use is greatly improved through the wear-resistant rings, so that the guide accuracy of the hydraulic rod is greatly improved;

2. the utility model also provides the connecting sleeve, the cleaning mechanism and the fixing bolt, and in the process of the linear motion of the hydraulic rod, the outer side of the hydraulic rod can be cleaned through the cleaning mechanism, so that external impurities can be prevented from entering the cylinder barrel through the hydraulic rod to wear the anti-abrasion ring, the protectiveness of the anti-abrasion ring is further improved, the hydraulic rod can be more stable in use, and meanwhile, the connecting sleeve is convenient to disassemble and assemble through the fixing bolt, so that the cleaning cotton is convenient to replace.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram showing a connection structure of a connecting sleeve and a cleaning mechanism in the present utility model;

fig. 4 is a schematic structural view of a connecting sleeve in the present utility model.

Reference numerals illustrate: 1. a cylinder; 2. a cylinder bottom; 3. a guide rod; 4. a piston; 5. a wear ring; 6. a hydraulic rod; 7. a cylinder cover; 8. a connector; 9. connecting sleeves; 10. a groove; 11. a cleaning mechanism; 111. an arc-shaped air bag; 112. cleaning cotton; 12. a fixing ring; 13. a seal ring; 14. and (5) fixing bolts.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model discloses a hydraulic cylinder guiding structure. Referring to fig. 1-4, a hydraulic cylinder guiding structure comprises a cylinder barrel 1, wherein a cylinder bottom 2 is arranged on the right side of the cylinder barrel 1, a plurality of guiding rods 3 are fixedly connected to the inside of the cylinder barrel 1, a piston 4 is slidingly connected to the right side between the two guiding rods 3, a wear-resisting ring 5 is arranged on the outer side of the piston 4, the outer side of the wear-resisting ring 5 is attached to the inner wall of the cylinder barrel 1, a hydraulic rod 6 is fixedly connected to the left side of the piston 4, a cylinder cover 7 is arranged on the left side of the cylinder barrel 1, a connector 8 is fixedly connected to the left side of the cylinder cover 7, the left end of the hydraulic rod 6 penetrates through the connector 8, a plurality of connecting sleeves 9 are arranged on the outer side of the connector 8, grooves 10 are formed in one sides, close to each other, and a cleaning mechanism 11 is arranged in the grooves 10;

through adopting above-mentioned technical scheme, when hydraulic rod 6 is rectilinear motion, slide on two guide bars 3 through piston 4 for hydraulic rod 6 is more stable when removing, then the direction can be more accurate, and through wear-resisting ring 5 improved piston 4 in the use wear resistance greatly, make piston 4's life can be longer.

Referring to fig. 3, the cleaning mechanism 11 includes an arc-shaped air bag 111 and a cleaning cotton 112, the arc-shaped air bag 111 is fixedly connected in the groove 10, the cleaning cotton 112 is arranged at one end of the arc-shaped air bag 111 far away from the inner wall of the groove 10, and one side of the cleaning cotton 112 far away from the arc-shaped air bag 111 is attached to the outer side of the hydraulic rod 6.

Through adopting above-mentioned technical scheme, when hydraulic rod 6 uses up and contracts, make clean cotton 112 and the outside of hydraulic rod 6 paste tightly all the time through the extrusion of arc gasbag 111, then can clear up the outside of hydraulic rod 6 through clean cotton 112 to can prevent that external impurity from entering into the inside of cylinder 1, and then make piston 4 can not lead to damaging with impurity contact.

Referring to fig. 2, a fixing ring 12 is fixedly connected to the left side between the two guide rods 3, a sealing ring 13 is arranged on the outer side of the fixing ring 12, and the outer side of the sealing ring 13 is attached to the inner wall of the cylinder barrel 1.

By adopting the technical scheme, the sealing performance of the hydraulic rod 6 in the using process is ensured through the sealing ring 13.

Referring to fig. 1 and 2, mounting holes are formed in the upper and lower sides of the connecting sleeves 9, fixing bolts 14 are arranged in the mounting holes, and the two connecting sleeves 9 are connected through the fixing bolts 14.

Through adopting above-mentioned technical scheme, be convenient for pull down adapter sleeve 9 from connector 8 through fixing bolt 14, then be convenient for change clean cotton 112, and need not to dismantle cylinder cap 7 for external impurity is difficult for entering into the inside of cylinder 1.

Referring to fig. 2, two guide rods 3 are symmetrically distributed up and down inside the cylinder tube 1.

By adopting the technical scheme, the stability of the hydraulic rod 6 during movement is further ensured through the vertical symmetrical distribution of the two guide rods 3.

Working principle: when the hydraulic rod 6 moves linearly, the piston 4 slides on the two guide rods 3, so that the hydraulic rod 6 moves more stably, the guide can be more accurate, the wear resistance of the piston 4 is greatly improved through the wear-resistant ring 5 in the moving process of the piston 4, the service life of the piston 4 can be longer, when the hydraulic rod 6 is retracted after being used, the cleaning cotton 112 is tightly attached to the outer side of the hydraulic rod 6 all the time through the extrusion of the arc-shaped air bag 111, the outer side of the hydraulic rod 6 can be cleaned through the cleaning cotton 112, external impurities can be prevented from entering the cylinder barrel 1, the piston 4 cannot be damaged due to contact with the impurities, the guide accuracy of the hydraulic rod 6 is further ensured, and then when the cleaning cotton 112 needs to be replaced, the connecting sleeve 9 can be detached from the connecting sleeve 8 only by detaching the fixing bolts 14 from the two connecting sleeves 9, so that the cleaning cotton 112 is convenient to replace.

When the hydraulic cylinder is used, the wear time of the piston 4 in the use process is greatly slowed down while the motion stability of the hydraulic rod 6 is ensured, so that the service life of the hydraulic cylinder is greatly prolonged.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pneumatic cylinder guide structure, includes cylinder (1), its characterized in that: the right side of cylinder (1) is provided with cylinder end (2), the inside fixedly connected with of cylinder (1) a plurality of guide bars (3), two the right side between guide bar (3) slides and is connected with piston (4), the outside of piston (4) is provided with antifriction ring (5), just the outside of antifriction ring (5) is laminated with the inner wall of cylinder (1), the left side fixedly connected with hydraulic stem (6) of piston (4), the left side of cylinder (1) is provided with cylinder cap (7), the left side fixedly connected with connector (8) of cylinder cap (7), just the left end of hydraulic stem (6) runs through connector (8), the outside of connector (8) is provided with a plurality of adapter sleeves (9), two recess (10) are all seted up to one side that adapter sleeve (9) are close to each other, be provided with clean mechanism (11) in recess (10).

2. A hydraulic cylinder guide structure according to claim 1, wherein: the cleaning mechanism (11) comprises an arc-shaped air bag (111) and cleaning cotton (112), the arc-shaped air bag (111) is fixedly connected in the groove (10), the cleaning cotton (112) is arranged at one end, far away from the inner wall of the groove (10), of the arc-shaped air bag (111), and one side, far away from the arc-shaped air bag (111), of the cleaning cotton (112) is attached to the outer side of the hydraulic rod (6).

3. A hydraulic cylinder guide structure according to claim 1, wherein: the left side fixedly connected with solid fixed ring (12) between two guide bar (3), the outside of solid fixed ring (12) is provided with sealing washer (13), just the outside of sealing washer (13) is laminated with the inner wall of cylinder (1).

4. A hydraulic cylinder guide structure according to claim 1, wherein: mounting holes are formed in the upper side and the lower side of the connecting sleeve (9), fixing bolts (14) are arranged in the mounting holes, and the two connecting sleeves (9) are connected through the fixing bolts (14).

5. A hydraulic cylinder guide structure according to claim 1, wherein: the two guide rods (3) are symmetrically distributed in the cylinder barrel (1) in the vertical direction.