CN218235684U

CN218235684U - Canned type hydraulic cylinder

Info

Publication number: CN218235684U
Application number: CN202222435816.XU
Authority: CN
Inventors: 陈江平
Original assignee: Huangshi Huijing Display Technology Co ltd
Current assignee: Huangshi Huijing Display Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-06
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a sealing type hydraulic oil cylinder, which comprises a main body, wherein a cylinder shaft is arranged in the main body, a connecting shaft is fixed at the end part of the cylinder shaft relative to the inside of the main body, grooves are symmetrically formed on the surface of the connecting shaft, a sealing ring connected with the connecting shaft is sleeved on the surface of each groove, a top cover connected with the top end of the main body in a laminating manner is sleeved on the surface of the cylinder shaft, and connecting grooves are symmetrically formed in the top end of the main body; the utility model discloses a spread groove of design, the connecting block, the draw-in groove is detained with elasticity, can realize letting the inseparable laminating of top cap and main part on cylinder shaft surface, and play certain guide effect, let locating hole and the accurate errorless counterpoint of constant head tank, so that the locating lever is light to twist with the locating hole and close fixed connection, the current technique of comparing, the sealing washer to cylinder shaft surface has been made things convenient for greatly to be changed, the condition of avoiding the hydro-cylinder to take place the oil leak in the use has been reached, guarantee hydraulic lifting platform's operating stability and security.

Description

Canned type hydraulic cylinder

Technical Field

The utility model belongs to the technical field of etching machine hydraulic pressure platform lift cylinder, concretely relates to canned type hydraulic cylinder.

Background

The etching machine hydraulic platform lifting oil cylinder is an oil cylinder mechanism for lifting the etching machine working platform, and the hydraulic oil cylinder is a hydraulic execution element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating movement, it can save speed reducer, and has no transmission gap and stable movement, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary. The sealing ring on the surface of the cylinder shaft of the hydraulic lifting platform cylinder of the existing etching machine needs to be periodically replaced, so that the sealing performance of the cylinder in use is guaranteed, if the sealing ring is not replaced timely, oil leakage can often occur in the use process, and the leakage phenomenon can lead to the oil shortage of the hydraulic lifting platform cylinder and less oil, so that the pressure of the lifting platform in the lifting process is reduced due to the oil shortage, great risks can easily occur, and products are broken.

Disclosure of Invention

An object of the utility model is to provide a canned type hydraulic cylinder to solve this hydraulic cylinder that provides in the above-mentioned background art and changing the comparatively inconvenient problem of in-process of sealing washer.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a canned type hydraulic cylinder, includes the main part, the inside of main part is provided with the jar axle, the tip of jar axle is fixed with the connecting axle for the inside of main part, the surface symmetry of connecting axle is seted up flutedly, the surface cover of recess is equipped with the sealing washer of being connected with the connecting axle, can increase the leakproofness between jar axle and the main part, avoids appearing the condition of oil leakage, the surface cover of jar axle is equipped with the top cap of being connected with the laminating of main part top, can close the top of main part, the spread groove has been seted up to the top symmetry of main part, the bottom symmetry of top cap is fixed with the connecting block, the connecting block is connected with the spread groove block, can let top cap and main part be connected, the draw-in groove has been seted up to one side of connecting block, inner wall one side of spread groove is fixed with the elasticity knot, elasticity is connected with the draw-in groove block, can fix a position the connecting block, the locating hole has been seted up to the opposite side of connecting block, the inner wall opposite side of spread groove runs through and has seted up the constant head tank, the surface of main part is provided with the locating lever of running through the constant head tank and twist the connection, can fix a top cap.

Preferably, the bottom mounting of main part has the mount pad, the bottom of mount pad is provided with the etching machine fixing base, the mount pad is connected with etching machine fixing base block, is convenient for let the main part install on the lift platform of etching machine, the guide way has been seted up on the top of etching machine fixing base, the inboard bottom mounting of mount pad has the guide block, the guide block is connected with the guide way block, can drive the through hole and the accurate alignment of mounting hole, the inboard symmetry of mount pad is run through and has been seted up the through hole, the mounting hole has been seted up to the bilateral symmetry on the top of etching machine fixing base.

Preferably, the cross section of the mounting hole is circular, so that a bolt can penetrate through and be screwed, and the cross section of the mounting hole is equal to that of the penetrating hole.

Preferably, the cross section of the guide block is rectangular, so that the guide block can guide the mounting hole and the through hole, and the guide block is attached to the inner wall of the guide groove.

Preferably, one side fixedly connected with oil-out of main part, the top of oil-out is provided with oil pipe, the screw has been seted up on the top of oil-out, oil pipe's bottom mounting has the screwed pipe, the screwed pipe is twisted with the screw and is connected, can let oil pipe and oil-out more fastened be connected.

Preferably, the surface of the positioning rod is sleeved with a gasket, so that the positioning rod can be prevented from loosening, and the gasket is attached to the surface of the main body.

Preferably, the diameter of the positioning groove is two centimeters, so that the positioning groove can be aligned with the positioning hole accurately, and the diameters of the positioning groove and the positioning hole are equal.

Preferably, the tip that elasticity was detained is the semicircle ring, can extrude elasticity and detain and take place deformation, elasticity is detained and is laminated with the inner wall of draw-in groove.

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

the utility model discloses a spread groove of design, the connecting block, the draw-in groove is detained with elasticity, can realize letting the inseparable laminating of top cap and main part on cylinder shaft surface, and play certain guide effect, let locating hole and the accurate errorless counterpoint of constant head tank, so that the locating lever is light to twist with the locating hole and close fixed connection, the current technique of comparing, the sealing washer to cylinder shaft surface has been made things convenient for greatly to be changed, the condition of avoiding the hydro-cylinder to take place the oil leak in the use has been reached, guarantee hydraulic lifting platform's operating stability and security.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention;

fig. 2 is an enlarged schematic view of the point a of fig. 1 in the present invention;

in the figure: 1. a main body; 2. a cylinder shaft; 3. a connecting shaft; 4. a groove; 5. a seal ring; 6. a top cover; 7. connecting grooves; 8. connecting blocks; 9. a card slot; 10. an elastic buckle; 11. positioning holes; 12. positioning a groove; 13. positioning a rod; 14. an oil outlet; 15. an oil pipe; 16. a screw hole; 17. a solenoid; 18. a mounting seat; 19. an etching machine fixing seat; 20. a guide groove; 21. a guide block; 22. a through hole; 23. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a canned type hydraulic cylinder, including main part 1, the inside of main part 1 is provided with jar axle 2, the tip of jar axle 2 is fixed with connecting axle 3 for the inside of main part 1, the surface symmetry of connecting axle 3 has seted up recess 4, the surface cover of recess 4 is equipped with the sealing washer 5 of being connected with connecting axle 3, can improve the leakproofness of hydro-cylinder, avoid taking place the condition of oil leak, the surface cover of jar axle 2 is equipped with top cap 6 of being connected with the laminating of main part 1 top, spread groove 7 has been seted up to the top symmetry of main part 1, the bottom symmetry of top cap 6 is fixed with connecting block 8, be connected with spread groove 7 block through connecting block 8, can play the guide effect to top cap 6, draw-in groove 9 has been seted up to one side of connecting block 8, inner wall one side of spread groove 7 is fixed with elastic buckle 10, be connected with draw-in groove 9 block through elastic buckle 10, can carry out temporary location to connecting block 8, locating hole 11 has been seted up to the opposite side of connecting block 8, the inner wall opposite side of spread groove 7 runs through constant head groove 12, the surface of main part 1 is provided with constant head groove 13 that runs through running through the constant head groove 12, through the inside and screws up constant head groove 11 and closes locating lever 13 of constant head cap 12, through screwing up, can carry out fixed mounting 6.

In this embodiment, preferably, a mounting seat 18 is fixed to the bottom end of the main body 1, a etching machine fixing seat 19 is arranged at the bottom end of the mounting seat 18, the mounting seat 18 is connected with the etching machine fixing seat 19 in a clamping manner, a guide groove 20 is formed in the top end of the etching machine fixing seat 19, a guide block 21 is fixed to the bottom end of the inner side of the mounting seat 18, the mounting seat 18 is connected with the guide groove 20 in a clamping manner through the guide block 21, the mounting hole 23 can be accurately aligned with the through hole 22, the through hole 22 is formed in the inner side of the mounting seat 18 in a penetrating manner, the mounting hole 23 is formed in the bilateral symmetry of the top end of the etching machine fixing seat 19, and the main body 1 can be fixedly mounted.

In this embodiment, preferably, the cross section of the mounting hole 23 is circular, which facilitates accurate alignment between the mounting hole 23 and the through hole 22, the cross section of the mounting hole 23 is equal to that of the through hole 22, the cross section of the guide block 21 is rectangular, which enables the guide block 21 to be connected with the guide groove 20 in a clamping manner, the guide block 21 is attached to the inner wall of the guide groove 20, one side of the main body 1 is fixedly connected with the oil outlet 14, the top end of the oil outlet 14 is provided with the oil pipe 15, the top end of the oil outlet 14 is provided with the screw hole 16, the bottom end of the oil pipe 15 is fixed with the screw pipe 17, which enables the oil pipe 15 to be fixed through screwing connection of the screw pipe 17 and the screw hole 16, the surface of the positioning rod 13 is sleeved with a gasket, which can prevent the positioning rod 13 from loosening, the gasket is attached to the surface of the main body 1, the diameter of the positioning groove 12 is two centimeters, the positioning rod 13 can penetrate through the inside of the positioning groove 12 to be connected with screwing connection of the positioning hole 11, the positioning groove 12, the diameter of the positioning groove 11 is equal to the positioning groove 12, the end of the elastic buckle 10 is a semicircular ring, which facilitates connection of the elastic buckle 10 to be attached to the inner wall of the clamping groove 9, and the elastic buckle 10 is attached to the inner wall of the clamping groove 9.

The utility model discloses a theory of operation and use flow: when the sealing ring 5 needs to be replaced, the positioning rod 13 is unscrewed firstly, so that the end part of the positioning rod is withdrawn from the positioning hole 11 and screwed into the positioning groove 12, the limit on the connecting block 8 is removed, then the top cover 6 is pulled to drive the connecting block 8 to withdraw from the inside of the connecting groove 7 and drive the clamping groove 9 to extrude and separate from the elastic buckle 10, so that the limit to the cylinder shaft 2 can be released, then the cylinder shaft 2 is pulled to drive the connecting shaft 3 to withdraw from the inside of the main body 1, then the sealing ring 5 which is clamped and connected with the groove 4 on the surface of the connecting shaft 3 is replaced, after the replacement is finished, the cylinder shaft 2 is embedded into the main body 1, and drives the connecting shaft 3 to be attached to the inner wall of the main body 1, so that the sealing ring 5 is extruded and moved to play a sealing role with the surface of the main body 1, then the top cover 6 is attached to the top end of the main body 1, and drives the connecting block 8 to be embedded into the connecting groove 7, so that the clamping groove 9 is connected with the elastic buckle 10 in an extruding and clamping way, the top cover 6 can be temporarily positioned, meanwhile, the positioning hole 11 and the positioning groove 12 are accurately aligned, then the positioning rod 13 is screwed down to rotate in the positioning groove 12 and be screwed with the positioning hole 11, so that the top cover 6 can be fixed, the replacement work of the sealing ring 5 is completed, when the oil pipe 15 is required to be connected with the oil outlet 14, the oil pipe 15 is firstly screwed with the screw hole 16 through the screw pipe 17, so that the oil pipe 15 can be connected with the oil outlet 14, when the main body 1 needs to be installed on the fixed seat 19 of the etching machine, the installation seat 18 is firstly clamped and connected with the fixed seat 19 of the etching machine, and the guide block 21 is driven to be clamped into the guide groove 20 to play a guiding role, so that the through hole 22 and the mounting hole 23 can be accurately aligned, and then the bolt can be used for penetrating, screwing and fixing.

Although embodiments of the present invention have been shown and described with particularity and detail in the foregoing description, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a canned type hydraulic cylinder, includes main part (1), the inside of main part (1) is provided with cylinder axle (2), the tip of cylinder axle (2) is fixed with connecting axle (3) for the inside of main part (1), its characterized in that: the utility model discloses a connecting axle (3) is characterized in that the surperficial symmetry of connecting axle (3) is seted up flutedly (4), the surperficial cover of recess (4) is equipped with sealing washer (5) of being connected with connecting axle (3), the surface cover of jar axle (2) is equipped with top cap (6) of being connected with main part (1) top laminating, spread groove (7) have been seted up to the top symmetry of main part (1), the bottom symmetry of top cap (6) is fixed with connecting block (8), connecting block (8) are connected with spread groove (7) block, draw-in groove (9) have been seted up to one side of connecting block (8), inner wall one side of spread groove (7) is fixed with elasticity and detains (10), elasticity is detained (10) and is connected with draw-in groove (9) block, locating hole (11) have been seted up to the opposite side of connecting block (8), constant head tank (12) has been run through to the inner wall opposite side of spread and has been seted up constant head tank (12), the surface of main part (1) is provided with constant head lever (13) of running through constant head tank (12) inside and locating hole (11) twist and is connected.

2. The sealed hydraulic ram of claim 1, wherein: the bottom mounting of main part (1) has mount pad (18), the bottom of mount pad (18) is provided with etching machine fixing base (19), mount pad (18) are connected with etching machine fixing base (19) block, guide way (20) have been seted up on the top of etching machine fixing base (19), the inboard bottom mounting of mount pad (18) has guide block (21), guide block (21) are connected with guide way (20) block, the inboard symmetry of mount pad (18) is run through and has been seted up through hole (22), mounting hole (23) have been seted up to the bilateral symmetry on the top of etching machine fixing base (19).

3. A sealed hydraulic ram according to claim 2 wherein: the cross section of the mounting hole (23) is circular, and the cross section of the mounting hole (23) is equal to that of the through hole (22).

4. A sealed hydraulic ram according to claim 2 wherein: the cross section of the guide block (21) is rectangular, and the guide block (21) is attached to the inner wall of the guide groove (20).

5. The sealed hydraulic ram of claim 1, wherein: an oil outlet (14) is fixedly connected to one side of the main body (1), an oil pipe (15) is arranged at the top end of the oil outlet (14), a screw hole (16) is formed in the top end of the oil outlet (14), a screw pipe (17) is fixed to the bottom end of the oil pipe (15), and the screw pipe (17) is connected with the screw hole (16) in a screwed mode.

6. The sealed hydraulic ram of claim 1, wherein: the surface of the positioning rod (13) is sleeved with a gasket, and the gasket is attached to the surface of the main body (1).

7. The sealed hydraulic ram of claim 1, wherein: the diameter of the positioning groove (12) is two centimeters, and the diameters of the positioning groove (12) and the positioning hole (11) are equal.

8. A sealed hydraulic ram according to claim 1, wherein: the end part of the elastic buckle (10) is a semicircular ring, and the elastic buckle (10) is attached to the inner wall of the clamping groove (9).