Axis structure of high-durability heavy oil buffer
By adopting the design of multi-layer springs and O-rings in the hydraulic buffer axis structure, the problems of poor buffer effect and short service life caused by the single design of the traditional hydraulic buffer axis structure are solved, and more efficient Buffer effect and longer service life.
Patent Information
- Application Number
- CN202323524348.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-24
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-24
AI Technical Summary
The axial structure of traditional hydraulic buffers is designed in a single manner, resulting in poor buffering effect, easy damage, and short service life.
Adopt a high-durability heavy-duty hydraulic buffer shaft structure including cylinder liner, piston rod, spring seat, end cover body, slotted counterscrew, seal and retaining ring. It ensures a tight fit by setting up a multi-layer spring and O-ring. To improve coordination and protection effect.
It effectively improves the buffering effect and service life of the oil pressure buffer, ensures the normal operation and efficient operation of the equipment, avoids equipment damage, and improves practical performance.
Smart Images

Figure CN222185599U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil pressure buffers, in particular to an axis structure of a high-durability heavy-duty oil pressure buffer. Background Art
[0002] Oil buffer is a commonly used shock absorbing and buffering device, widely used in industrial machinery, automobiles, elevators and other fields. It absorbs and dissipates the impact force and vibration energy generated by machinery or equipment during movement through the flow and damping effect of liquid, thereby reducing the damage to the equipment caused by shock and vibration.
[0003] The axis of the hydraulic buffer refers to the straight line centerline of the motion trajectory of the buffer rod in the hydraulic buffer. The axis of the hydraulic buffer is usually consistent with the motion direction of the buffer rod. It is a key factor to be considered when designing and installing the hydraulic buffer.
[0004] However, the axial structure of the traditional hydraulic buffer is relatively simple, the buffering effect is poor, and it may cause damage to the hydraulic buffer. Therefore, technical improvement is urgently needed.
[0005] Therefore, those skilled in the art provide an axis structure of a high-durability heavy-duty oil pressure buffer to solve the problems raised in the above-mentioned background technology. Utility Model Content
[0006] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an axial structure of a high-durability heavy-duty oil pressure buffer. The axial structure of the high-durability heavy-duty oil pressure buffer can ensure that the oil pressure buffer can accurately play a buffering role through the set fixing sleeve, spring seat, end cover body, slotted countersunk screw, end cover seal and end cover retaining ring, and can effectively ensure the normal operation and efficient work of the oil pressure buffer.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A shaft center structure of a high-durability heavy-duty oil pressure buffer, comprising a cylinder sleeve, a piston rod and a first sleeve, a spring seat is provided at the front end of the piston rod, a piston body is provided at the front end of the spring seat, an end cover body is provided at the front end of the piston body, a first spring is sleeved on the outside of the end cover body, a slotted countersunk screw is provided at the front end of the first spring, a second spring is provided at the front end of the first spring, a first O-ring is sleeved on the outer wall of the first sleeve, a piston seal is provided at the rear end of the piston rod, an end cover seal is provided at the rear end of the piston seal, a sponge is provided at the rear end of the end cover seal, a second O-ring is sleeved on the outside of the sponge, a third O-ring is provided at the rear end of the second O-ring, a fourth O-ring is provided at the rear end of the third O-ring, and an end cover retaining ring is provided at the rear end of the fourth O-ring;
[0009] The axial structure of the high-durability heavy-duty oil pressure buffer ensures the buffering effect of the oil pressure buffer through the first spring, the second spring, the first O-ring, the second O-ring, the third O-ring and the fourth O-ring, avoids damage to the oil pressure buffer, increases the service life of the oil pressure buffer, and has high practical performance.
[0010] Furthermore, the outer sleeve of the piston rod near the front end is provided with a fixed sleeve, and the front end of the fixed sleeve is provided with a movable sleeve;
[0011] Through the above technical solution, positioning and installation can be conveniently performed through the fixed sleeve and the movable sleeve.
[0012] Further, a first sheath is provided at the front end of the second spring;
[0013] Through the above technical solution, the front end of the oil pressure buffer can be protected by the first sheath.
[0014] Further, the first spring is tightly fitted to the piston body;
[0015] Through the above technical solution, the fit can be further improved through tight fit.
[0016] Further, the piston seal and the second O-ring fit tightly together;
[0017] Through the above technical solution, the fit can be further improved through tight fit.
[0018] Further, the end cover seal and the third O-ring fit tightly;
[0019] Through the above technical solution, the fit can be further improved through tight fit.
[0020] Further, the sponge and the fourth O-ring fit tightly together;
[0021] Through the above technical solution, the fit can be further improved through tight fit.
[0022] Furthermore, a second sheath is provided at the rear end of the end cover retaining ring;
[0023] Through the above technical solution, the rear end of the oil pressure buffer can be protected by the second sheath.
[0024] The utility model has the following beneficial effects:
[0025] 1. The utility model proposes an axial structure of a high-durability heavy-duty oil pressure buffer. Compared with the axial structure of the existing oil pressure buffer, the axial structure of the high-durability heavy-duty oil pressure buffer can ensure that the oil pressure buffer can accurately play a buffering role through the set fixing sleeve, spring seat, end cover body, slotted countersunk screw, end cover seal and end cover retaining ring, and can effectively ensure the normal operation and efficient work of the oil pressure buffer.
[0026] 2. The utility model proposes an axial structure of a high-durability heavy-duty oil pressure buffer. Compared with the axial structure of the existing oil pressure buffer, the axial structure of the high-durability heavy-duty oil pressure buffer ensures the buffering effect of the oil pressure buffer through the first spring, the second spring, the first O-ring, the second O-ring, the third O-ring, and the fourth O-ring, thereby avoiding damage to the oil pressure buffer, increasing the service life of the oil pressure buffer, and having high practical performance.
[0027] 3. The utility model proposes an axial structure of a high-durability heavy-duty oil pressure buffer. Compared with the axial structure of the existing oil pressure buffer, the axial structure of the high-durability heavy-duty oil pressure buffer is ingenious, easy to use by users, can effectively ensure the buffering effect of the oil pressure buffer, and has high practical performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is an axonometric diagram of the axial structure of a high-durability heavy-duty oil pressure buffer proposed by the utility model;
[0029] Figure 2 This is an exploded view of the axial structure of a high-durability heavy-duty oil pressure buffer proposed by the utility model;
[0030] Figure 3 This is a partial exploded view of the axial structure of a high-durability heavy-duty oil pressure buffer proposed by the utility model;
[0031] Figure 4 It is a front cross-sectional view of the axial structure of a high-durability heavy-duty oil pressure buffer proposed by the utility model;
[0032] Figure 5 The utility model is a front view of the axial structure of a high-durability heavy-duty oil pressure buffer.
[0033] Legend:
[0034] 1. Cylinder sleeve; 2. Piston rod; 3. Fixed sleeve; 4. Movable sleeve; 5. Spring seat; 6. Piston body; 7. End cover body; 8. First spring; 9. Slotted countersunk screw; 10. First O-ring; 11. Second spring; 12. First sleeve; 13. Piston seal; 14. End cover seal; 15. Sponge; 16. Second O-ring; 17. Third O-ring; 18. Fourth O-ring; 19. End cover retaining ring; 20. Second sleeve. DETAILED DESCRIPTION
[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0036] Reference Figure 1-5 , the utility model provides an embodiment: an axial structure of a high-durability heavy-duty oil pressure buffer, comprising a cylinder sleeve 1, a piston rod 2 and a first sleeve 12, a spring seat 5 is provided at the front end of the piston rod 2, a piston body 6 is provided at the front end of the spring seat 5, an end cover body 7 is provided at the front end of the piston body 6, a first spring 8 is sleeved on the outside of the end cover body 7, a slotted countersunk screw 9 is provided at the front end of the first spring 8, a second spring 11 is provided at the front end of the first spring 8, a first O-ring 10 is sleeved on the outer wall of the first sleeve 12, a piston seal 13 is provided at the rear end of the piston rod 2, an end cover seal 14 is provided at the rear end of the piston seal 13, a sponge 15 is provided at the rear end of the end cover seal 14, a second O-ring 16 is sleeved on the outside of the sponge 15, a third O-ring 17 is provided at the rear end of the second O-ring 16, a fourth O-ring 18 is provided at the rear end of the third O-ring 17, and an end cover retaining ring 19 is provided at the rear end of the fourth O-ring 18.
[0037] The axial structure of the high-durability heavy-duty oil pressure buffer ensures the buffering effect of the oil pressure buffer by providing the first spring 8, the second spring 11, the first O-ring 10, the second O-ring 16, the third O-ring 17, and the fourth O-ring 18, thereby avoiding damage to the oil pressure buffer, prolonging the service life of the oil pressure buffer, and having high practical performance.
[0038] The outer sleeve of the piston rod 2 near the front end is provided with a fixed sleeve 3, and the front end of the fixed sleeve 3 is provided with a movable sleeve 4, which can be conveniently positioned and installed through the fixed sleeve 3 and the movable sleeve 4. The front end of the second spring 11 is provided with a first sleeve 12, and the front end of the oil pressure buffer can be protected by the first sleeve 12. The first spring 8 is tightly fitted with the piston body 6, and the fit can be further improved by the tight fit. The piston seal 13 and the second O-ring 16 are tightly fitted, and the fit can be further improved by the tight fit. The end cover seal 14 and the third O-ring 17 are tightly fitted, and the fit can be further improved by the tight fit. The sponge 15 and the fourth O-ring 18 are tightly fitted, and the fit can be further improved by the tight fit. The rear end of the end cover retaining ring 19 is provided with a second sleeve 20, and the rear end of the oil pressure buffer can be protected by the second sleeve 20.
[0039] Working principle: The axial structure of the high-durability heavy-duty oil pressure buffer can ensure that the oil pressure buffer can accurately play a buffering role through the set fixing sleeve 3, spring seat 5, end cover body 7, slotted countersunk screw 9, end cover seal 14 and end cover retaining ring 19, and can effectively ensure the normal operation and efficient work of the oil pressure buffer. The axial structure of the high-durability heavy-duty oil pressure buffer ensures the buffering effect of the oil pressure buffer through the set first spring 8, second spring 11, first O-ring 10, second O-ring 16, third O-ring 17, and fourth O-ring 18, avoids damage to the oil pressure buffer, and increases the service life of the oil pressure buffer, with high practical performance.
[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An axial structure of a high-durability heavy-duty oil pressure buffer, comprising a cylinder sleeve (1), a piston rod (2) and a first sleeve (12), characterized in that: The front end of the piston rod (2) is provided with a spring seat (5), the front end of the spring seat (5) is provided with a piston body (6), the front end of the piston body (6) is provided with an end cover body (7), the outer portion of the end cover body (7) is provided with a first spring (8), the front end of the first spring (8) is provided with a slotted countersunk screw (9), the front end of the first spring (8) is provided with a second spring (11), the outer wall of the first sleeve (12) is provided with a first O-ring (10), and the piston rod (2 ) is provided with a piston seal (13) at the rear end, an end cover seal (14) is provided at the rear end of the piston seal (13), a sponge (15) is provided at the rear end of the end cover seal (14), a second O-ring (16) is sleeved on the outside of the sponge (15), a third O-ring (17) is provided at the rear end of the second O-ring (16), a fourth O-ring (18) is provided at the rear end of the third O-ring (17), and an end cover retaining ring (19) is provided at the rear end of the fourth O-ring (18).
2. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: The outer sleeve of the piston rod (2) close to the front end is provided with a fixed sleeve (3), and the front end of the fixed sleeve (3) is provided with a movable sleeve (4).
3. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: A first sheath (12) is provided at the front end of the second spring (11).
4. The axis structure of a high-durability heavy-duty hydraulic buffer according to claim 1 is characterized in that: The first spring (8) is tightly fitted to the piston body (6).
5. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: The piston seal (13) and the second O-ring (16) fit tightly together.
6. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: The end cover seal (14) and the third O-ring (17) fit tightly together.
7. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: The sponge (15) and the fourth O-ring (18) fit tightly together.
8. The axis structure of a high-durability heavy-duty oil pressure buffer according to claim 1 is characterized in that: A second protective sleeve (20) is provided at the rear end of the end cover retaining ring (19).
