Piston connecting plate for large hydraulic cylinder

By setting connection plates on both sides of the hydraulic cylinder piston, using structures such as through holes and fluid conduction holes, the problem of twisting and deformation caused by the piston being subjected to large pressure is solved, and the compressive strength and service life of the hydraulic cylinder are improved.

CN222185299UActive Publication Date: 2024-12-17CHANGZHOU JIADUN MASCH MFG CO LTD
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Patent Information

Application Number
CN202420764258.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2024-12-17
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

During the use of hydraulic cylinders, the piston is twisted and deformed due to the high pressure, which shortens the service life and reduces practicality and efficiency.

Method used

A piston connecting plate for large hydraulic cylinders is designed. By setting connection plates on both sides of the piston, the compressive strength of the piston is enhanced by using structures such as through holes, fluid conduction holes, limiting grooves and arc-shaped curved surfaces.

Benefits of technology

It effectively improves the compressive strength of the piston, extends the service life of the hydraulic cylinder, and is convenient for widespread application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of connecting plates, in particular to a piston connecting plate for a large hydraulic cylinder, which comprises a connecting plate body, a penetrating hole is arranged in the middle of the connecting plate body, liquid guide holes are arranged on the outer side of the penetrating hole, the liquid guide holes are uniformly arranged along the circumferential direction of the penetrating hole, and the liquid guide holes are of through hole structures. Limiting grooves are formed in one sides of the liquid guide holes, the limiting grooves are evenly formed in the circumferential directions of the liquid guide holes, and the liquid guide holes and the limiting grooves are formed in a staggered mode. The limiting groove is of a blind hole structure. According to the piston connecting plate for the large hydraulic cylinder, the two sides of the piston are further fixed through the connecting plate, the compressive strength of the whole piston is improved, and the service life of the whole large hydraulic cylinder is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of connecting plates, in particular to a piston connecting plate for a large hydraulic cylinder. Background Art

[0002] With the continuous progress of society, hydraulic cylinders have been widely used in all walks of life. There are many components of hydraulic cylinders, among which the piston is an important component. Usually the piston is fixed at the end of the piston rod. During the reciprocating motion of the piston rod, the piston will be under great pressure; during long-term use, the piston will be distorted to varying degrees, which will affect the output of the later pressure, shorten the service life, and reduce the practicality and efficiency. Summary of the invention

[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above-mentioned background technology, a piston connecting plate for a large hydraulic cylinder is provided, and the two sides of the piston are further fixed by the connecting plate, so as to improve the compressive strength of the whole piston and improve the service life of the whole large hydraulic cylinder, so as to facilitate wide promotion and use.

[0004] The utility model solves the technical problem by adopting the following technical scheme: a piston connecting plate for a large hydraulic cylinder, comprising a connecting plate body, a through hole is provided in the middle of the connecting plate body, a liquid guiding hole is provided outside the through hole, the liquid guiding holes are evenly provided along the circumferential direction of the through hole, the liquid guiding holes are in a through hole structure, limiting grooves are provided on one side of the liquid guiding holes, the limiting grooves are evenly provided along the circumferential direction of the liquid guiding holes, the liquid guiding holes and the limiting grooves are staggered; the limiting grooves are in a blind hole structure.

[0005] To further illustrate, in the above technical solution, fixing holes are provided at the four corners of the connecting plate body, and the central axis of the fixing hole is arranged parallel to the central axis of the liquid guide hole.

[0006] To further illustrate, in the above technical solution, rounded corners are arranged on the side walls at the four corners of the connecting plate body.

[0007] To further illustrate, in the above technical solution, the fillets are connected to each other via an arc-shaped surface, and the arc-shaped surface is arranged on the side wall of the connecting plate body.

[0008] To further illustrate, in the above technical solution, the thickness of the connecting plate body is 10-20 mm.

[0009] To further illustrate, in the above technical solution, a positioning hole is also provided on one side of the limiting groove.

[0010] The beneficial effects of the utility model are as follows: the utility model proposes a piston connecting plate for a large hydraulic cylinder, which further fixes the two sides of the piston through the connecting plate, thereby improving the compressive strength of the entire piston, improving the service life of the entire large hydraulic cylinder, and facilitating wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] The numbers in the accompanying drawings are: 1. connecting plate body, 2. through hole, 3. liquid guide hole, 4. limiting groove, 5. fixing hole, 6. rounded corner, 7. arc surface, 8. positioning hole. DETAILED DESCRIPTION

[0014] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] See Figure 1 What is shown is a piston connecting plate for a large hydraulic cylinder, comprising a connecting plate body 1, a through hole 2 is provided in the middle of the connecting plate body 1, a liquid guide hole 3 is provided on the outside of the through hole 2, the liquid guide holes 3 are evenly provided along the circumferential direction of the through hole 2, the liquid guide holes 3 are in a through hole structure, limiting grooves 4 are provided on one side of the liquid guide hole 3, the limiting grooves 4 are evenly provided along the circumferential direction of the liquid guide hole 3, the liquid guide hole 3 and the limiting grooves 4 are staggered; the limiting grooves 4 are in a blind hole structure.

[0016] Among them, the four corners of the connecting plate body 1 are provided with fixing holes 5, and the central axis of the fixing hole 5 is arranged parallel to the central axis of the liquid guide hole 3. The four corners of the connecting plate body 1 are provided with fillets 6 on the side wall. The fillets 6 are connected to each other by an arc surface 7, and the arc surface 7 is arranged on the side wall of the connecting plate body 1. The thickness of the connecting plate body 1 is 10-20mm. A positioning hole 8 is also arranged on one side of the limiting groove 4.

[0017] The operating principle of the piston connecting plate for large hydraulic cylinder is as follows:

[0018] First, the operator sets the connecting plate body 1 on both sides of the piston respectively, and penetrates it on the piston rod at the same time, and connects it by passing bolts through the fixing hole 5, which can significantly improve the compressive strength of the piston and increase the service life of the entire hydraulic cylinder.

[0019] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A piston connecting plate for a large hydraulic cylinder, characterized in that: It includes a connecting plate body, a through hole is provided in the middle of the connecting plate body, a liquid guide hole is provided outside the through hole, the liquid guide holes are evenly provided along the circumferential direction of the through hole, the liquid guide holes are in a through hole structure, a limiting groove is provided on one side of the liquid guide hole, the limiting groove is evenly provided along the circumferential direction of the liquid guide hole, the liquid guide hole and the limiting groove are staggered; the limiting groove is in a blind hole structure.

2. The piston connecting plate for a large hydraulic cylinder according to claim 1, characterized in that: The four corners of the connecting plate body are provided with fixing holes, and the central axis of the fixing hole is arranged parallel to the central axis of the liquid guide hole.

3. The piston connecting plate for a large hydraulic cylinder according to claim 1, characterized in that: Rounded corners are arranged on the side walls at the four corners of the connecting plate body.

4. The piston connecting plate for a large hydraulic cylinder according to claim 3, characterized in that: The fillets are connected to each other via arc-shaped surfaces, and the arc-shaped surfaces are arranged on the side walls of the connecting plate body.

5. The piston connecting plate for a large hydraulic cylinder according to claim 1, characterized in that: The thickness of the connecting plate body is 10-20 mm.

6. The piston connecting plate for a large hydraulic cylinder according to claim 1, characterized in that: A positioning hole is also arranged on one side of the limiting groove.