CN219062125U

CN219062125U - Hydraulic cylinder with cooling structure

Info

Publication number: CN219062125U
Application number: CN202223168501.XU
Authority: CN
Inventors: 吕小安; 林子豪; 林文海; 林华眉; 刘冬凤
Original assignee: Longyan Liyuan Hydraulic Pipe Fitting Co ltd
Current assignee: Longyan Liyuan Hydraulic Pipe Fitting Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-23
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of hydraulic cylinders, and discloses a hydraulic cylinder with a cooling structure, which comprises a first pushing rod, wherein one side of the inside of the first pushing rod is connected with a second pushing rod in a sliding manner, the inside of the second pushing rod is fixedly connected with a third pushing rod through a connecting pipe, one side of the first pushing rod is provided with an oil inlet, the inside of the oil inlet is connected with a sealing structure in a clamping manner, the top end and the bottom end of the other side of the outside of the first pushing rod are respectively provided with an oil outlet, and one end of each oil outlet is fixedly connected with the cooling mechanism. This hydraulic cylinder with cooling structure can carry out cooling processing with the inside exhaust hydraulic oil of follow oil-out through cooling body, guarantees the lubricated effect of hydraulic oil, can stably realize the discharge of hydraulic oil through leading oil pipe, can pass out the heat through the heat-conducting plate, and the heat dissipation can be stably realized to the mutually supporting of radiating fin and radiating rod simultaneously, can increase the radiating area of radiating rod through radiating fin.

Description

Hydraulic cylinder with cooling structure

Technical Field

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

Background

The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The hydraulic cylinder has simple structure, reliable operation, no speed reducer, no transmission gap and smooth motion, and may be used widely in various mechanical hydraulic systems.

In Chinese patent, the utility model discloses a hydraulic cylinder with a cooling structure, such as CN216618085U, which comprises a main shell and a protection component, wherein a refrigeration component for cooling the hydraulic cylinder is arranged on the inner wall of the main shell, the refrigeration component comprises a heat conduction cavity, a cooling pipe, a connecting pipe and a flow guide pipe, the cooling pipe is arranged in the heat conduction cavity, the end part of the cooling pipe is connected with the connecting pipe, the right end of the connecting pipe is connected with the flow guide pipe, the protection component for protecting the hydraulic cylinder is arranged on the outer wall of the main shell, the protection component comprises a connecting end block, a fastening screw, a protection rod and a connecting rod, the middle part of the connecting end block is penetrated by the fastening screw, the end part of the connecting end block is welded and connected with the connecting rod, and the end part of the connecting rod is welded and connected with the protection rod. This hydraulic cylinder with cooling structure wears to locate the middle part of connecting the end block with the fastening screw, through the fastening screw, can realize the mutual installation location of two halves about the main casing on the one hand, on the other hand can realize the nimble dismouting performance of main casing.

The following problems exist in the prior art:

1. in the prior art, the temperature of hydraulic oil rises in the process of repeatedly propelling an output shaft of the hydraulic oil cylinder, so that the lubrication effect on the internal structure of the hydraulic oil cylinder is affected.

2. In the prior art, the oil inlet of the hydraulic oil cylinder is easy to leak, and the applicability of the hydraulic oil cylinder in use is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the hydraulic cylinder with the cooling structure, which has the advantages of stable cooling and the like and solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic cylinder with cooling structure, includes first propelling rod, one side sliding connection in the inside of first propelling rod has the second propelling rod, the inside of second propelling rod passes through connecting pipe fixedly connected with third propelling rod, the oil inlet has been seted up to one side of first propelling rod, the inside block of oil inlet is connected with seal structure, the oil-out has all been seted up on the top and the bottom of the outside opposite side of first propelling rod, the equal fixedly connected with cooling mechanism of one end of oil-out.

The cooling mechanism comprises an oil guide pipe, the oil guide pipe is fixedly connected with one end of an oil outlet, heat conducting plates are fixedly connected to two sides of the inner portion of the oil guide pipe, hydraulic oil discharged from the inner portion of the oil outlet can be cooled through the cooling mechanism, the lubricating effect of the hydraulic oil is guaranteed, the hydraulic oil can be stably discharged through the oil guide pipe, and heat can be transferred through the heat conducting plates.

Preferably, the outside both sides of leading oil pipe are all fixedly connected with heat dissipation pole, and one side of heat dissipation pole passes and extends to the inside of leading oil pipe, and one side and the heat conduction board fixed connection of heat dissipation pole can realize stable heat dissipation through the heat dissipation pole, stability when increasing the use.

Preferably, the outside fixedly connected with radiating fin of radiating rod, and radiating fin equiangular distribution in the outside of radiating rod can stably realize the heat dissipation through the mutually supporting of radiating fin and radiating rod, stability and suitability when increasing the use.

Preferably, the sealing structure comprises a sealing plug, the sealing plug block is connected to the inside of the oil inlet, one side of the sealing plug penetrates through and extends to the inside of the oil inlet, the oil inlet can be sealed and blocked through the sealing structure, the condition of leakage of the oil inlet is avoided, and the sealing structure block can be made to be in the inside of the oil inlet by utilizing the mutual matching of the connecting plate and the limiting spring.

Preferably, the other side outside the sealing plug articulates there is the connecting plate, and the connecting plate is laminated mutually with the inboard of oil inlet, through utilizing the cooperation of connecting plate and spacing spring, can make seal structure block in the inside of oil inlet.

Preferably, the bottom fixedly connected with spacing spring of connecting plate, and be welding integrated structure between spacing spring and the sealing plug, can make the connecting plate carry out the reset in the position through spacing spring, the flexibility when increasing the use.

Preferably, one side of the sealing plug outside is fixedly connected with sealing washer, and sealing washer block is connected in the inside of oil inlet, can carry out the secondary through the sealing washer with gap department and fill, guarantees sealed effect, stability when increasing the use.

Advantageous effects

Compared with the prior art, the utility model provides the hydraulic cylinder with the cooling structure, which has the following beneficial effects:

1. this hydraulic cylinder with cooling structure can carry out cooling processing with the inside exhaust hydraulic oil of follow oil-out through cooling body, guarantees the lubricated effect of hydraulic oil, can stably realize the discharge of hydraulic oil through leading oil pipe, can pass out heat through the heat-conducting plate, and heat dissipation can be stably realized to the mutually supporting of fin and radiating rod simultaneously, stability and suitability when increasing the use can increase the radiating area of radiating rod through the fin, stability when increasing the use.

2. This hydraulic cylinder with cooling structure can seal the oil inlet and block up, avoid appearing the condition of oil inlet seepage, can make seal structure block in the inside of oil inlet through utilizing the mutually supporting of connecting plate and spacing spring, can make the connecting plate reset on the position through spacing spring, the flexibility when increasing the use, can block up the import department of oil inlet through utilizing the sealing plug, avoid appearing the seepage, can carry out the secondary filling with gap department through the sealing washer, guarantee sealed effect, stability when increasing the use.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of a cooling mechanism according to the present utility model;

FIG. 4 is a schematic view of the external perspective structure of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a first propulsion lever; 2. a second propulsion lever; 3. an oil outlet; 4. a third propulsion lever; 5. a connecting pipe; 6. a cooling mechanism; 601. an oil guide pipe; 602. a heat conductive plate; 603. a heat radiation fin; 604. a heat dissipation rod; 7. a sealing structure; 701. a sealing plug; 702. a seal ring; 703. a limit spring; 704. a connecting plate; 8. and an oil inlet.

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.

Example 1

The preferred embodiment of the hydraulic cylinder with cooling structure provided by the utility model is shown in fig. 1 to 5: the utility model provides a hydraulic cylinder with cooling structure, includes first propulsion pole 1, and one side sliding connection in first propulsion pole 1 has second propulsion pole 2, and the inside of second propulsion pole 2 is through connecting pipe 5 fixedly connected with third propulsion pole 4, and oil inlet 8 has been seted up to one side of first propulsion pole 1, and oil inlet 8's inside block is connected with seal structure 7, and oil-out 3 has all been seted up to the top and the bottom of the outside opposite side of first propulsion pole 1, and the equal fixedly connected with cooling body 6 of one end of oil-out 3.

The cooling mechanism 6 comprises an oil guide pipe 601, the oil guide pipe 601 is fixedly connected to one end of the oil outlet 3, heat conducting plates 602 are fixedly connected to two sides of the inner portion of the oil guide pipe 601, hydraulic oil discharged from the inner portion of the oil outlet 3 can be cooled through the cooling mechanism 6, the lubricating effect of the hydraulic oil is guaranteed, the hydraulic oil can be stably discharged through the oil guide pipe 601, and heat can be transmitted through the heat conducting plates 602.

In this embodiment, the two sides of the outer portion of the oil conduit 601 are fixedly connected with the heat dissipation rod 604, and one side of the heat dissipation rod 604 passes through and extends to the inner portion of the oil conduit 601, and one side of the heat dissipation rod 604 is fixedly connected with the heat conduction plate 602, so that stable heat dissipation can be realized through the heat dissipation rod 604, and the stability during use is increased.

Further, the outer side of the heat dissipation rod 604 is fixedly connected with the heat dissipation fins 603, the heat dissipation fins 603 are distributed on the outer side of the heat dissipation rod 604 at equal angles, heat dissipation can be stably achieved through mutual matching of the heat dissipation fins 603 and the heat dissipation rod 604, and stability and applicability in use are improved.

Example 2

On the basis of embodiment 1, a preferred embodiment of the hydraulic cylinder with cooling structure provided by the present utility model is shown in fig. 1 to 5: the sealing structure 7 comprises a sealing plug 701, the sealing plug 701 is clamped and connected to the inside of the oil inlet 8, one side of the sealing plug 701 penetrates through and extends to the inside of the oil inlet 8, the oil inlet 8 can be sealed and blocked through the sealing structure 7, the condition of leakage of the oil inlet is avoided, and the sealing structure 7 can be clamped in the inside of the oil inlet 8 by utilizing the mutual matching of the connecting plate 704 and the limiting spring 703.

In this embodiment, the other side outside the sealing plug 701 is hinged with a connecting plate 704, and the connecting plate 704 is attached to the inner side of the oil inlet 8, so that the sealing structure 7 can be clamped in the oil inlet 8 by using the mutual cooperation of the connecting plate 704 and the limiting spring 703.

Further, the bottom fixedly connected with spacing spring 703 of connecting plate 704, and be welding integrated structure between spacing spring 703 and the sealing plug 701, can make connecting plate 704 carry out the reset in the position through spacing spring 703, the flexibility when increasing the use.

Furthermore, sealing plug 701 outside one side fixedly connected with sealing washer 702, and sealing washer 702 block connects in the inside of oil inlet 8, can carry out the secondary through sealing washer 702 with the gap department and fill, guarantees sealed effect, stability when increasing the use.

When using, carry to the inside of first propulsion pole 1 through oil inlet 8, make the inside space department of first propulsion pole 1 filled, second propulsion pole 2 is impelled simultaneously, the same way, the inside space department of second propulsion pole 2 is filled, advance the third propulsion pole 4 to one side, can carry out cooling treatment from the inside exhaust hydraulic oil of oil-out 3 through cooling mechanism 6, guarantee the lubricated effect of hydraulic oil, can stably realize the discharge of hydraulic oil through leading oil pipe 601, can pass out heat through heat-conducting plate 602, simultaneously heat dissipation fin 603 and heat dissipation pole 604 mutually support can stably realize the heat dissipation, stability and suitability when increasing the use, can increase the heat dissipation area of heat dissipation pole 604 through heat dissipation fin 603, stability when increasing the use, can carry out sealed jam with oil inlet 8 through seal structure 7, avoid the condition of oil inlet seepage, can make seal structure 7 block the inside of oil inlet 8 through utilizing the cooperation of connecting plate 704 and spacing spring 703, can block up the import department of oil inlet 8 through utilizing 701, the seepage is avoided appearing, can increase the stability when filling the gap with 702, when can increase the stability when using, the sealing plug is used.

To sum up, this hydraulic cylinder with cooling structure can carry out cooling treatment with the inside exhaust hydraulic oil of follow oil-out 3 through cooling mechanism 6, guarantees the lubricated effect of hydraulic oil, can seal the jam with oil inlet 8 through seal structure 7, avoids appearing the circumstances of oil inlet seepage.

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

1. Hydraulic cylinder with cooling structure, including first propulsion pole (1), its characterized in that: one side of the inside of the first propulsion rod (1) is slidably connected with a second propulsion rod (2), the inside of the second propulsion rod (2) is fixedly connected with a third propulsion rod (4) through a connecting pipe (5), one side of the first propulsion rod (1) is provided with an oil inlet (8), the inside of the oil inlet (8) is connected with a sealing structure (7) in a clamping manner, the top end and the bottom end of the other side of the outside of the first propulsion rod (1) are respectively provided with an oil outlet (3), and one end of each oil outlet (3) is fixedly connected with a cooling mechanism (6);

the cooling mechanism (6) comprises an oil guide pipe (601), the oil guide pipe (601) is fixedly connected to one end of the oil outlet (3), and heat conducting plates (602) are fixedly connected to two sides of the inside of the oil guide pipe (601).

2. A hydraulic ram with a cooling structure according to claim 1, wherein: both sides outside of lead oil pipe (601) all fixedly connected with heat dissipation pole (604), and one side of heat dissipation pole (604) passes and extends to the inside of leading oil pipe (601), and one side and heat conduction board (602) fixed connection of heat dissipation pole (604).

3. A hydraulic ram with a cooling structure according to claim 2, wherein: the outer side of the radiating rod (604) is fixedly connected with radiating fins (603), and the radiating fins (603) are distributed on the outer side of the radiating rod (604) at equal angles.

4. A hydraulic ram with a cooling structure according to claim 1, wherein: the sealing structure (7) comprises a sealing plug (701), the sealing plug (701) is connected to the inside of the oil inlet (8) in a clamping mode, and one side of the sealing plug (701) penetrates through and extends to the inside of the oil inlet (8).

5. The hydraulic ram with cooling structure according to claim 4, wherein: the other side of the outer part of the sealing plug (701) is hinged with a connecting plate (704), and the connecting plate (704) is attached to the inner side of the oil inlet (8).

6. The hydraulic ram with cooling structure according to claim 5, wherein: the bottom end of the connecting plate (704) is fixedly connected with a limiting spring (703), and a welding integrated structure is formed between the limiting spring (703) and the sealing plug (701).

7. The hydraulic ram with cooling structure of claim 6, wherein: one side of the outside of sealing plug (701) fixedly connected with sealing washer (702), and sealing washer (702) block is connected in the inside of oil inlet (8).