Anti-collision hydraulic oil cylinder
By installing a buffer assembly on the outside of the hydraulic cylinder, and using components such as a fixed seat, buffer chamber, limit hole, connecting rod, shock-absorbing spring, and rubber column to absorb collision energy, the problem of damage to the hydraulic cylinder under external impact is solved, and its service life is improved.
Patent Information
- Application Number
- CN202520226131.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing hydraulic cylinders are easily damaged by external impacts, and once the protective devices are deformed, they are difficult to restore and cannot be reused.
A buffer assembly is installed on the outside of the hydraulic cylinder, including a fixed seat, a buffer chamber, a limit hole, a connecting rod, a shock-absorbing spring, a rubber column, and a damping pad. Through the coordinated work of these components, the collision energy is absorbed and dissipated, thereby achieving buffering and shock absorption.
It effectively protects the hydraulic cylinder, reduces damage from external impacts, and extends its service life.
Smart Images

Figure CN223524119U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hydraulic oil cylinder technical field, concretely relates to a hydraulic oil cylinder of anti -impact. BACKGROUND
[0002] Hydraulic oil cylinder, it is a pressure finishing, is utilize the cold plasticity characteristics of metal in normal temperature state, utilize the rolling tool to the workpiece surface and exert certain pressure, make workpiece surface layer metal produce plastic flow, fill in to the original residual low concave valley, and reach workpiece surface roughness value reduction, because the surface layer metal plastic deformation of being rolled, make surface layer organization cold hardening and grain become thin, form dense fibrous, and form residual stress layer, hardness and strength improve, thereby improve the wear resistance, corrosion resistance and compatibility of workpiece surface.
[0003] The existing traditional hydraulic oil cylinder is naked in the outside when using, often contact with outside object when using, under the impact of outside, easy to make hydraulic cylinder damage, once damage, the consequence is unbearable to imagine, some hydraulic oil cylinder when using, outside will have protection pad and protection frame protection, but once deformation, not easy to restore, not reusable, for this, we propose a kind of hydraulic oil cylinder of anti -impact. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a kind of hydraulic oil cylinders of anti -impact, to solve the problem raised in above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic oil cylinder of anti -impact, including oil cylinder body, the top output end of the oil cylinder body is fixedly installed with output shaft, the outside of the oil cylinder body is equipped with buffer assembly, the buffer assembly is equipped with fixed seat, the inside of the fixed seat is equipped with buffer cavity, the inside one side of the buffer cavity is equipped with limit hole, the inside of the limit hole is equipped with connecting rod, one end of the connecting rod is equipped with limit plate, the inside of the buffer cavity is equipped with damping spring and damping pad, the inside of the damping spring is equipped with rubber column, one end of the connecting rod is equipped with damping plate, one side of the damping plate is equipped with rubber strip.
[0006] Preferably, the outside surface of the oil cylinder body is circumferentially uniformly fixedly installed with multiple fixed seats, and the inside of the fixed seat is fixedly provided with a buffer cavity.
[0007] Preferably, a limit hole is provided through the middle of the inside one side surface of the buffer cavity, and the connecting rod is slidably connected to the inside of the limit hole.
[0008] Preferably, the one end of the connecting rod is fixedly connected with a limit plate, the limit plate is arranged on the inside of the buffer cavity, the one end of the damping spring abuts against the damping pad, and the other end of the damping spring abuts against one side of the limit plate.
[0009] Preferably, the inner side of the damping spring is filled with rubber columns, and one end of the connecting rod is fixedly connected with a damping plate.
[0010] Preferably, a rubber strip is fixedly installed on one side surface of the damping plate, and the rubber strip is installed in multiple groups in a vertical direction.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] When an external object collides with the outer side of the oil cylinder body, the acting force generated will drive the connecting rod to slide from the inner side of the limiting hole to the inside of the buffer cavity, thereby compressing the damping spring, the rubber column arranged can absorb the compression force of the damping spring, and the damping pad attached to one end surface of the damping spring can dissipate the energy of the damping spring, so that the purpose of buffering and damping is achieved, and the protection effect on the oil cylinder body is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a front structure schematic view of the utility model;
[0014] Fig. 2 It is a top view structure schematic view of the utility model;
[0015] Fig. 3 It is a buffer assembly side sectional view structure schematic view of the utility model.
[0016] In the drawing: 1, oil cylinder body; 2, output shaft; 3, buffer assembly; 31, fixed seat; 32, buffer cavity; 33, limiting hole; 34, connecting rod; 35, limiting plate; 36, rubber column; 37, damping spring; 38, damping pad; 4, damping plate; 5, rubber strip. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: a hydraulic oil cylinder of anti-collision, including oil cylinder body 1, the top output end of oil cylinder body 1 is fixedly installed with output shaft 2, the outside of oil cylinder body 1 is equipped with buffer assembly 3, buffer assembly 3 is equipped with fixed seat 31, the inside of fixed seat 31 is equipped with buffer cavity 32, the inside one side of buffer cavity 32 is equipped with limit hole 33, the inside of limit hole 33 is equipped with connecting rod 34, the one end of connecting rod 34 is equipped with limit plate 35, the inside of buffer cavity 32 is equipped with damping spring 37 and damping pad 38, the inside of damping spring 37 is equipped with rubber column 36, the one end of connecting rod 34 is equipped with shock-absorbing plate 4, the side of shock-absorbing plate 4 is equipped with rubber strip 5.
[0019] Specifically, the outside surface of the oil cylinder body 1 is circumferentially uniformly fixedly installed with multiple fixed seats 31, the inside of the fixed seat 31 is fixedly provided with a buffer cavity 32, the inside one side surface of the buffer cavity 32 is centrally provided with a limit hole 33, the inside of the limit hole 33 is slidably connected with a connecting rod 34, one end of the connecting rod 34 is fixedly connected with a limit plate 35, the limit plate 35 is located on the inside of the buffer cavity 32, the damping spring 37 is in abutment between one end and the damping pad 38, the other end of the damping spring 37 is in abutment with one side of the limit plate 35, the inside of the damping spring 37 is filled with a rubber column 36, one end of the connecting rod 34 is fixedly connected with a shock-absorbing plate 4, one side surface of the shock-absorbing plate 4 is fixedly installed with a rubber strip 5, and the rubber strip 5 is vertically installed in multiple groups.
[0020] In the embodiment, when an external object collides with the outside of the oil cylinder body 1, the resulting force will cause the shock-absorbing plate 4 on the outside to be extruded, and the rubber strip 5 provided can buffer and absorb the impact force on the surface of the shock-absorbing plate 4, thereby reducing the degree of damage to the surface of the shock-absorbing plate 4. The shock-absorbing plate 4 will transmit the force to the surface of the connecting rod 34, which will drive the limit plate 35 to slide from the inside of the limit hole 33 to the inside of the buffer cavity 32, thereby causing the damping spring 37 to be compressed. The rubber column 36 provided will absorb the compression force of the damping spring 37, and the damping pad 38 attached to the surface of one end of the damping spring 37 will dissipate the energy of the damping spring 37, thereby achieving the purpose of buffering and damping, and improving the protection effect on the oil cylinder body 1.
[0021] Although embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic cylinder with impact protection, comprising a cylinder body (1), characterized in that: The top output end of the oil cylinder body (1) is fixedly installed with an output shaft (2), the outer side of the oil cylinder body (1) is provided with a buffer assembly (3), the buffer assembly (3) is provided with a fixed seat (31), the inner side of the fixed seat (31) is provided with a buffer cavity (32), the inside of the buffer cavity (32) is provided with a limiting hole (33), the inner side of the limiting hole (33) is provided with a connecting rod (34), one end of the connecting rod (34) is provided with a limiting plate (35), the inner side of the buffer cavity (32) is provided with a damping spring (37) and a damping pad (38), the inner side of the damping spring (37) is provided with a rubber column (36), one end of the connecting rod (34) is provided with a damping plate (4), one side of the damping plate (4) is provided with a rubber strip (5).
2. A hydraulic cylinder according to claim 1, wherein: The outer side surface of the oil cylinder body (1) is circumferentially and uniformly fixedly installed with a plurality of fixed seats (31), and the inner side of the fixed seat (31) is fixedly provided with a buffer cavity (32).
3. A hydraulic cylinder according to claim 1, wherein: The inside of the buffer cavity (32) is provided with a limiting hole (33) penetrating through the middle of the side surface, and the inner side of the limiting hole (33) is slidably connected with a connecting rod (34).
4. A hydraulic cylinder according to claim 1, wherein: One end of the connecting rod (34) is fixedly connected with a limiting plate (35), and the limiting plate (35) is arranged on the inner side of the buffer cavity (32). The damping spring (37) is in abutment with the damping pad (38), and the other end of the damping spring (37) is in abutment with one side of the limiting plate (35).
5. A hydraulic cylinder according to claim 1, wherein: The inner side of the damping spring (37) is filled with a rubber column (36), and one end of the connecting rod (34) is fixedly connected with a damping plate (4).
6. A hydraulic cylinder according to claim 1, wherein: The side surface of the damping plate (4) is fixedly installed with a rubber strip (5), and the rubber strip (5) is vertically installed with a plurality of groups.