CN220516689U - Oil seal dismounting tool for oil cylinder - Google Patents

Abstract

The utility model discloses an oil seal dismounting tool of an oil cylinder, which relates to the field of oil cylinder maintenance and has the technical key points that: the oil seal device comprises a sleeve part, wherein a sleeve cavity is formed in the sleeve part, the sleeve cavity penetrates through two ends of the sleeve part, the sleeve cavity is used for being sleeved outside a piston rod, one end of the sleeve part is provided with a pushing part, the pushing part protrudes upwards from one end of the sleeve part, the pushing part is used for abutting against a connecting piece, the other end of the sleeve part is provided with an ejection part, the ejection part protrudes downwards from the other end of the sleeve part, and the ejection part is used for abutting against an oil seal. The purpose is that the mounted position who solves oil blanket and piston rod is close to, and the hammer is driven by hand through the workman, consequently the hammer is being unavoidable can strike the piston rod, and the piston rod can appear sunken or damage under the maintenance many times again, leads to the piston rod unable use to cause the inconvenient technical problem of dismantlement.

Description

Oil seal dismounting tool for oil cylinder

Technical Field

The utility model relates to the field of oil cylinder maintenance, in particular to an oil seal dismounting tool for an oil cylinder.

Background

The hydro-cylinder is as common mechanical equipment, usually by cylinder, oil blanket (sealing member), piston rod and install the end connection spare at the piston rod and constitute, and the dismantlement of hydro-cylinder often is comparatively difficult, especially the dismantlement of oil blanket, need use the hammer to strike the oil blanket for the oil blanket drops in the cylinder, demolish the bottom of cylinder again, just can dismantle the oil blanket, but when striking the oil blanket, because the mounted position of oil blanket and piston rod is close to, and the hammer is driven by hand through the workman, consequently the hammer is being unavoidable can strike the piston rod, the piston rod can appear sunken or damage under the maintenance of many times again, lead to the piston rod unable use, thereby cause the inconvenience of dismantling.

Disclosure of Invention

The utility model provides an oil seal dismounting tool for an oil cylinder, which aims to solve the technical problems that the mounting positions of an oil seal and a piston rod are close, and a hammer is driven by a worker by hand, so that the hammer can strike the piston rod inevitably, and the piston rod is sunken or damaged after repeated maintenance, so that the piston rod cannot be used, and the dismounting is inconvenient.

The technical scheme for solving the technical problems is as follows:

the utility model provides an oil blanket extracting tool of hydro-cylinder, includes the cover portion of establishing, be equipped with the cover in the portion of establishing and establish the cavity, the cover is established the cavity and is run through the both ends of portion of establishing the cover, the cover is established the cavity and is used for the cover to establish outside the piston rod, the one end of portion is established to the cover is equipped with the pushing part, the pushing part upwards protrudes the one end of portion is established to the cover, the pushing part is used for contradicting with the connecting piece, the other end of portion is established to the cover is equipped with ejecting portion, ejecting portion downwards protrudes the other end of portion is established to the cover, ejecting portion is used for contradicting with the oil blanket.

When dismantling the hydro-cylinder, demolish the end connection spare of piston rod (fixed by the screw generally), establish the cover of portion of establishing and establish the cavity cover outside the piston rod, ejecting portion is contradicted with the oil blanket to with the connecting piece installation back piston rod end, make pushing part and connecting piece conflict, start the hydro-cylinder, make the piston rod move towards the cylinder, the end connection spare of piston rod drives pushing part and removes towards the cylinder, pushing part drives ejecting portion and in with the oil blanket jack-in cylinder, thereby simplify the dismantlement of hydro-cylinder, avoided the damage of piston rod.

Further, in the present application, the sleeving part includes a first sleeving frame and a second sleeving frame, the first sleeving frame and the second sleeving frame are detachably connected, a first sleeving groove is formed in the first sleeving frame, a second sleeving groove is formed in the second sleeving frame, and the first sleeving groove and the second sleeving groove mutually form the sleeving cavity.

Through above-mentioned technical scheme, when the portion of establishing needs to install outside the piston rod, the second cover groove of first cover frame and second cover frame overlaps each other and establishes outside the piston rod (accessible joint structure is fixed first cover frame and second cover frame) to need not to demolish the end connection spare of piston rod, can install the portion of establishing.

Further, in the present application, a first extension block extends outward from one side of the first rack, a second extension block extends outward from one side of the second rack, and one end of the first extension block is hinged to one end of the second extension block.

When the first sleeve frame and the second sleeve frame need to be close to the outside of the piston rod, the hinged ends of the first extending block and the second extending block are utilized to rotate, so that the moving track of the first sleeve frame and the second sleeve frame is limited, and the first sleeve frame and the second sleeve frame are convenient to fix.

Further, in this application, the opposite side of first cover frame outwards extends there is the third and extends the piece, the opposite side of second cover frame outwards extends there is the fourth and extends the piece, the third extend the piece with the fourth extends the piece in seted up first fixed orifices, two wear to be equipped with first fixing bolt in the first fixed orifices, the outer threaded connection of the end of wearing out of first fixing bolt has fixation nut.

Further, in the present application, the pushing portion includes two pushing rods, two the pushing rods are respectively disposed at one ends of the first rack and the second rack, and two the pushing rods are respectively protruded upward from one ends of the first rack and the second rack.

Further, in the present application, the ejection portion includes two fixing rods, two the fixing rods are respectively provided at the other ends of the first and second holders, and two the fixing rods are respectively protruded downward from the other ends of the first and second holders.

Further, in the present application, two movable cavities are formed in the fixing rods, and ejector rods are slidably connected in the two movable cavities.

Further, in this application, two offer a plurality of second fixed orificess in the dead lever, two offer the third fixed orificess in the ejector pin, with two wear to be equipped with the second fixing bolt in the second fixed orificess that the third fixed orificess corresponds, two second fixing bolt and corresponding second fixed orificess screw-thread fit.

Further, in the present application, the first set of grooves and the second set of grooves are provided with protection blocks, and the protection blocks have elasticity.

Further, in the present application, the material of the protection block is sponge or rubber.

The utility model has the following beneficial effects:

when dismantling the hydro-cylinder, demolish the end connection spare of piston rod (fixed by the screw generally), establish the cover of portion of establishing and establish the cavity cover outside the piston rod, ejecting portion is contradicted with the oil blanket to with the connecting piece installation back piston rod end, make pushing part and connecting piece conflict, start the hydro-cylinder, make the piston rod move towards the cylinder, the end connection spare of piston rod drives pushing part and removes towards the cylinder, pushing part drives ejecting portion and in with the oil blanket jack-in cylinder, thereby simplify the dismantlement of hydro-cylinder, avoided the damage of piston rod.

Drawings

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

Fig. 2 is a schematic view of the push rod structure of the present utility model.

FIG. 3 is a schematic view of the ejector rod according to the present utility model.

Fig. 4 is a schematic diagram of the structure of the protection block of the present utility model.

Wherein, the reference numerals:

1. a cylinder; 2. an oil seal; 3. a piston rod; 4. a connecting piece; 5. a sleeving part; 6. a pushing part; 7. an ejection part; 8. a cavity is sleeved; 9. a first set of shelves; 10. a second set of shelves; 11. a first extension block; 12. a second extension block; 13. a third extension block; 14. a fourth extension block; 15. a first set of slots; 16. a second set of grooves; 17. a push rod; 18. a fixed rod; 19. a movable cavity; 20. a push rod; 21. a third fixing hole; 22. a second fixing hole; 23. a second fixing bolt; 24. a first fixing hole; 25. a first fixing bolt; 26. a fixing nut; 27. and protecting the block.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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 connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1, in some embodiments, an oil seal disassembling tool for an oil cylinder includes a sleeve portion 5, a sleeve cavity 8 is provided in the sleeve portion 5, the sleeve cavity 8 penetrates through two ends of the sleeve portion 5, the sleeve cavity 8 is used for being sleeved outside a piston rod 3, one end of the sleeve portion 5 is provided with a pushing portion 6, the pushing portion 6 protrudes upwards to form one end of the sleeve portion 5, the pushing portion 6 is used for abutting against a connecting piece 4, the other end of the sleeve portion 5 is provided with an ejection portion 7, the ejection portion 7 protrudes downwards to form the other end of the sleeve portion 5, and the ejection portion 7 is used for abutting against the oil seal 2.

Through above-mentioned technical scheme, when dismantling the hydro-cylinder, demolish the end connection piece 4 of piston rod 3 (fixed by the screw generally), establish the cover of portion 5 and establish the cavity 8 cover outside piston rod 3, ejecting portion 7 is contradicted with oil blanket 2, and install back the piston rod end with connecting piece 4, make pushing portion 6 contradict with connecting piece 4, start the hydro-cylinder, make piston rod 3 remove towards cylinder 1, the end connection piece 4 of piston rod 3 drives pushing portion 6 and removes towards cylinder 1, pushing portion 6 drives ejecting portion 7 and jack-up oil blanket 2 in cylinder 1, thereby simplify the dismantlement of hydro-cylinder, the damage of piston rod 3 has been avoided.

Referring to fig. 1 to 4, in some embodiments, the sleeving part 5 includes a first sleeving frame 9 and a second sleeving frame 10, the first sleeving frame 9 and the second sleeving frame 10 are detachably connected, a first sleeving groove 15 is formed in the first sleeving frame 9, a second sleeving groove 16 is formed in the second sleeving frame 10, and the first sleeving groove 15 and the second sleeving groove 16 mutually form the sleeving cavity 8.

Through the above technical scheme, when the sleeve portion 5 needs to be installed outside the piston rod 3, the first sleeve groove 15 of the first sleeve frame 9 and the second sleeve groove 16 of the second sleeve frame 10 are mutually sleeved outside the piston rod 3 (the first sleeve frame 9 and the second sleeve frame 10 can be fixed through the clamping structure), so that the sleeve portion 5 can be installed without dismantling the end connecting piece 4 of the piston rod 3.

Referring to fig. 1-4, in some embodiments, a first extension block 11 extends outward from one side of the first set of frames 9, a second extension block 12 extends outward from one side of the second set of frames 10, and one end of the first extension block 11 is hinged to one end of the second extension block 12.

Through the above technical scheme, when the first sleeve frame 9 and the second sleeve frame 10 need to be close to the outside of the piston rod 3, the hinged ends of the first extension block 11 and the second extension block 12 are utilized to rotate, so that the moving track of the first sleeve frame 9 and the second sleeve frame 10 is limited, and the first sleeve frame 9 and the second sleeve frame 10 are convenient to fix.

Referring to fig. 1-4, in some embodiments, a third extension block 13 extends outwards from the other side of the first set of frames 9, a fourth extension block 14 extends outwards from the other side of the second set of frames 10, first fixing holes 24 are formed in the third extension block 13 and the fourth extension block 14, first fixing bolts 25 penetrate through the two first fixing holes 24, and fixing nuts 26 are connected to the penetrating ends of the first fixing bolts 25 in an external threaded manner.

Through the above technical scheme, when the first and second brackets 9 and 10 are arranged outside the piston rod 3, the first fixing bolts 25 respectively penetrate through the two first fixing holes 24, and the fixing nuts 26 are in threaded fit with the penetrating ends of the first fixing bolts 25, so that the positions of the first and second brackets 9 and 10 are fixed.

Referring to fig. 1 to 4, in some embodiments, the pushing part 6 includes two pushing rods 17, the two pushing rods 17 are respectively provided at one ends of the first and second shelves 9 and 10, and the two pushing rods 17 protrude upward from one ends of the first and second shelves 9 and 10, respectively.

Referring to fig. 1 to 4, in some embodiments, the ejector 7 includes two fixing rods 18, the two fixing rods 18 are respectively disposed at the other ends of the first and second shelves 9 and 10, and the two fixing rods 18 protrude downward from the other ends of the first and second shelves 9 and 10, respectively.

Through the above technical scheme, when the end connector 4 of the piston rod 3 drives the two pushing rods 17 to move towards the cylinder barrel 1, the two pushing rods 17 drive the two fixing rods 18 to jack the oil seal 2 into the cylinder barrel 1, so that the oil seal 2 is disassembled.

Referring to fig. 2-3, in some embodiments, two fixed rods 18 are provided with movable cavities 19, and a push rod 20 is slidably connected in the two movable cavities 19.

Through the above technical scheme, when the multistage oil cylinder needs to be disassembled, as a plurality of piston rods 3 exist in the cylinder barrel 1, the piston rod ends are longer, and the two ejector rods 20 can slide outwards to adapt to the piston rods 3 of the multistage oil cylinder.

Referring to fig. 2-3, in some embodiments, a plurality of second fixing holes 22 are formed in the two fixing rods 18, a third fixing hole 21 is formed in the two ejector rods 20, a second fixing bolt 23 is threaded into the second fixing hole 22 corresponding to the two third fixing holes 21, and the two second fixing bolts 23 are in threaded engagement with the corresponding second fixing holes 22.

Through the above technical scheme, when the two ejector rods 20 slide out outwards, the two third fixing holes 21 correspond to the two second fixing holes 22, and the two second fixing bolts 23 are in threaded fit with the corresponding second fixing holes 22, so that the positions of the two ejector rods 20 are fixed.

Referring to fig. 1-4, in some embodiments, the first set of grooves 15 and the second set of grooves 16 are provided with a protective block 27, and the protective block 27 has elasticity.

Through the above technical scheme, when the first sleeve groove 15 of the first sleeve frame 9 and the second sleeve groove 16 of the second sleeve frame 10 are mutually sleeved outside the piston rod 3, the two protection blocks 27 are respectively clung to the piston rod 3, so that the elasticity of the protection blocks 27 is utilized to protect the piston rod 3.

Referring to fig. 1-4, in some embodiments, the material of the protective block 27 is a sponge or rubber.

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.

Claims (10)

1. The utility model provides an oil blanket extracting tool of hydro-cylinder, its characterized in that, including the cover portion of establishing, be equipped with the cover in the cover portion of establishing and establish the cavity, the cover is established the cavity and is run through the both ends of portion of establishing the cover, the cover is established the cavity and is used for the cover to establish outside the piston rod, the one end of portion of establishing is equipped with the promotion portion, the promotion portion upwards protrudes the one end of portion of establishing, the promotion portion is used for contradicting with the connecting piece, the other end of portion of establishing is equipped with ejecting portion, ejecting portion downwards protrudes the other end of portion of establishing is used for contradicting with the oil blanket to overlap.

2. The oil seal disassembling tool for an oil cylinder according to claim 1, wherein the sleeving part comprises a first sleeving frame and a second sleeving frame, the first sleeving frame and the second sleeving frame are detachably connected, a first sleeving groove is formed in the first sleeving frame, a second sleeving groove is formed in the second sleeving frame, and the first sleeving groove and the second sleeving groove mutually form the sleeving cavity.

3. The oil seal disassembling tool for an oil cylinder according to claim 2, wherein a first extension block extends outwards from one side of the first sleeve frame, a second extension block extends outwards from one side of the second sleeve frame, and one end of the first extension block is hinged with one end of the second extension block.

4. The oil seal disassembling tool for the oil cylinder according to claim 3, wherein a third extension block extends outwards from the other side of the first sleeve frame, a fourth extension block extends outwards from the other side of the second sleeve frame, first fixing holes are formed in the third extension block and the fourth extension block, first fixing bolts penetrate through the two first fixing holes, and fixing nuts are connected to the penetrating ends of the first fixing bolts through external threads.

5. The oil seal removing tool for an oil cylinder according to claim 2, wherein the pushing portion comprises two pushing rods, the two pushing rods are respectively disposed at one ends of the first and second brackets, and the two pushing rods are respectively protruded upward from one ends of the first and second brackets.

6. The oil seal removing tool for an oil cylinder according to claim 5, wherein the ejector portion comprises two fixing rods, the two fixing rods are respectively provided at the other ends of the first and second holders, and the two fixing rods protrude downward from the other ends of the first and second holders.

7. The oil seal disassembling tool for an oil cylinder according to claim 6, wherein movable cavities are formed in the two fixing rods, and ejector rods are connected in the two movable cavities in a sliding mode.

8. The oil seal dismounting tool for an oil cylinder according to claim 7, wherein a plurality of second fixing holes are formed in two fixing rods, a third fixing hole is formed in two ejector rods, second fixing bolts are arranged in the second fixing holes corresponding to the two third fixing holes in a penetrating mode, and the two second fixing bolts are in threaded fit with the corresponding second fixing holes.

9. The oil seal removing tool for an oil cylinder according to claim 2, wherein the first and second grooves are provided with a protection block, and the protection block has elasticity.

10. The oil seal removing tool for an oil cylinder according to claim 9, wherein the material of the protection block is sponge or rubber.