A long-life polyurethane bumper that prevents powdering

Abstract

The utility model relates to the technical field of buffers, and discloses a high-life polyurethane buffer capable of preventing powdering, which solves the problem that the existing polyurethane buffer has a poor use effect. The utility model comprises a polyurethane buffer body, which is composed of a polyurethane buffer seat, an anti-aging flexible sheath, a mounting screw, a support base plate, a plurality of secondary buffer components, a support top plate and a buffer spring. The anti-aging flexible sheath is connected to the arc-shaped outer surface of the polyurethane buffer seat, the support base plate is connected to the inner bottom end of the polyurethane buffer seat, the mounting screw is connected to the bottom end of the support base plate, the secondary buffer component is connected to the top side of the support base plate, the support top plate is connected to the inner top end of the polyurethane buffer seat, and a buffer spring is connected between the support base plate and the support top plate. Through the polyurethane buffer, the aging resistance and anti-powdering effects can be improved, and at the same time, the secondary buffering can be achieved through the built-in spring component, thereby improving the safety and stability of use.

Description

Technical Field

[0001] The utility model belongs to the technical field of buffers, in particular to a high-life polyurethane buffer capable of preventing powdering. Background Art

[0002] The buffer is a safety protection device that has been widely used in the anti-collision field of various operating mechanisms such as cranes and elevators.

[0003] Polyurethane buffers have good cushioning performance, good impact elasticity and compression recovery, oil resistance, aging resistance, corrosion resistance, high and low temperature resistance, as well as low cost, easy installation and maintenance, etc., and are particularly popular in various fields. However, current polyurethane buffers are prone to aging after a long time, resulting in powdering of the surface of the polyurethane buffer, which in turn affects the cushioning effect. At the same time, the existing polyurethane buffers have a single structure and cannot be mixed with spring buffers, which affects the stability of use. Therefore, the present application proposes a high-life polyurethane buffer that can prevent powdering. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high-life polyurethane buffer that can prevent powdering, and effectively solves the problem that the existing polyurethane buffer has a poor use effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-life polyurethane buffer that can prevent powdering, including a polyurethane buffer body, wherein the polyurethane buffer body is composed of a polyurethane buffer seat, an anti-aging flexible sheath, a mounting screw, a support base plate, a plurality of secondary buffer components, a support top plate and a buffer spring. The anti-aging flexible sheath is connected to the arc-shaped outer surface of the polyurethane buffer seat, the support base plate is fixedly connected to the bottom end inside the polyurethane buffer seat, the mounting screw is fixedly connected to the middle position of the bottom end of the support base plate and is inserted into the polyurethane buffer seat, the secondary buffer component is fixedly connected to the side of the top end of the support base plate, the support top plate is fixedly connected to the top end inside the polyurethane buffer seat, and the buffer spring is connected to the middle position between the support base plate and the support top plate.

[0006] Preferably, the outer surface of the polyurethane buffer seat is provided with an anti-aging coating, the arc-shaped outer surface of the polyurethane buffer seat is provided with a plurality of annular grooves, and the top of the polyurethane buffer seat is fixedly provided with a plurality of anti-slip protrusions.

[0007] Preferably, the anti-aging flexible sheath and the polyurethane buffer seat are connected by a glue structure, and the anti-slip protrusion and the polyurethane buffer seat are an integrated structure.

[0008] Preferably, an inner groove matching the buffer spring 1 is provided at the central position inside the polyurethane buffer seat, and a flexible wear-resistant sleeve sleeved on the buffer spring 1 is provided inside the inner groove.

[0009] Preferably, the flexible wear-resistant sleeve is woven from a plurality of wear-resistant fibers.

[0010] Preferably, the secondary buffer assembly is composed of a shell, a second buffer spring, a support base plate, a support arm and a pressure plate. The shell is connected to the support base plate through an insertion, the second buffer spring is located inside the shell, the support base plate is located at the top of the shell, the support arm is fixedly connected to the middle position of the top of the support base plate and is inserted into the shell, and the pressure plate is fixedly connected to the top of the support arm.

[0011] Preferably, a plurality of mounting plates are fixedly provided at the bottom end of the side of the shell, and the mounting plates are fixedly connected to the supporting bottom plate by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) During operation, by providing an anti-aging flexible sheath and an anti-aging coating, the polyurethane buffer seat can be protected against aging, thereby improving the anti-powdering performance of the polyurethane buffer seat, thereby improving the service life and safety of the polyurethane buffer seat. By providing an annular groove, a stacking effect can be formed when the polyurethane buffer seat is compressed to avoid deviation. By providing an anti-slip protrusion, the anti-slip performance can be improved.

[0014] (2) By providing a buffer spring 1, the buffer effect can be improved. By providing a flexible wear-resistant sleeve formed by a plurality of wear-resistant fibers, it can be avoided that the buffer spring 1 directly contacts the polyurethane buffer seat and causes wear of the polyurethane buffer seat. By providing a secondary buffer assembly composed of a shell, a buffer spring 2, a support base plate, a support arm and a pressure plate, a secondary spring buffer can be formed, thereby ensuring safety and stability in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is one of the schematic diagrams of the structure of the high-life polyurethane buffer that can prevent powdering of the utility model;

[0018] Figure 2 This is the second schematic diagram of the structure of the high-life polyurethane buffer capable of preventing powdering of the utility model;

[0019] Figure 3 This is a cross-sectional view of the utility model of a high-life polyurethane buffer capable of preventing powdering;

[0020] Figure 4 This is a schematic diagram of the structure of the secondary buffer component of the utility model;

[0021] Figure 5 This is a schematic diagram of the local structure of the flexible wear-resistant sleeve of the utility model;

[0022] In the figure: 1. Polyurethane buffer body; 2. Polyurethane buffer seat; 3. Anti-aging flexible sheath; 4. Mounting screw; 5. Support base plate; 6. Secondary buffer assembly; 7. Support top plate; 8. Buffer spring one; 9. Anti-aging coating; 10. Annular groove; 11. Anti-slip protrusion; 12. Inner groove; 13. Flexible wear-resistant sleeve; 14. Wear-resistant fiber; 15. Shell; 16. Buffer spring two; 17. Support base plate; 18. Support arm; 19. Pressure plate; 20. Mounting plate; 21. Bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Depend on Figures 1 to 3 The utility model provides a high-life polyurethane buffer capable of preventing powdering, comprising a polyurethane buffer body 1, the polyurethane buffer body 1 being composed of a polyurethane buffer seat 2, an anti-aging flexible sheath 3, a mounting screw 4, a supporting base plate 5, a plurality of secondary buffer components 6, a supporting top plate 7 and a buffer spring 8, the anti-aging flexible sheath 3 being connected to the arc-shaped outer surface of the polyurethane buffer seat 2, the supporting base plate 5 being fixedly connected to the bottom end inside the polyurethane buffer seat 2, the mounting screw 4 being fixedly connected to the middle position of the bottom end of the supporting base plate 5 and being inserted into the polyurethane buffer seat 2, the secondary buffer component 6 being fixedly connected to the side edge of the top end of the supporting base plate 5, the supporting top plate 7 being fixedly connected to the top end inside the polyurethane buffer seat 2, and the buffer spring 8 being connected to the middle position between the supporting base plate 5 and the supporting top plate 7;

[0025] When in use, the anti-aging flexible sheath 3 can protect the side of the polyurethane buffer seat 2, reduce the possibility of powdering of the polyurethane buffer seat 2, and achieve buffering through the elasticity of the polyurethane buffer seat 2 itself. The buffer spring 1 8 and the secondary buffer assembly 6 can form a spring buffer, thereby improving the safety of use;

[0026] Depend on Figure 2 It is given that the outer surface of the polyurethane buffer seat 2 is provided with an anti-aging coating 9, the arc-shaped outer surface of the polyurethane buffer seat 2 is provided with a plurality of annular grooves 10, the top of the polyurethane buffer seat 2 is fixedly provided with a plurality of anti-slip protrusions 11, the anti-aging flexible sheath 3 and the polyurethane buffer seat 2 are connected by a glue structure, and the anti-slip protrusions 11 and the polyurethane buffer seat 2 are an integrated structure;

[0027] The anti-aging coating 9 can further improve the anti-aging and anti-powdering effects of the polyurethane buffer seat 2, and the anti-skid protrusions 11 can improve the anti-skid performance;

[0028] Depend on Figure 2 , Figure 3 and Figure 5 It is shown that an inner groove 12 matching with the buffer spring 8 is provided at the center of the polyurethane buffer seat 2, and a flexible wear-resistant sleeve 13 sleeved on the buffer spring 8 is provided inside the inner groove 12, and the flexible wear-resistant sleeve 13 is woven from a plurality of wear-resistant fibers 14;

[0029] The inner groove 12 is used to install the buffer spring 8, and the flexible wear-resistant sleeve 13 can cover the buffer spring 8 to prevent the buffer spring 8 from directly contacting the polyurethane buffer seat 2 during compression and release, thereby preventing the polyurethane buffer seat 2 from being worn.

[0030] Depend on Figure 3 and Figure 4 It is given that the secondary buffer assembly 6 is composed of a shell 15, a buffer spring 16, a support base plate 17, a support arm 18 and a pressure plate 19. The shell 15 is connected to the support base plate 5 through insertion. The buffer spring 16 is located inside the shell 15. The support base plate 17 is located at the top of the shell 15. The support arm 18 is fixedly connected to the middle position of the top of the support base plate 17 and inserted into the shell 15. The pressure plate 19 is fixedly connected to the top of the support arm 18. A plurality of mounting plates 20 are fixedly provided at the bottom end of the side of the shell 15. The mounting plates 20 are fixedly connected to the support base plate 5 by bolts 21.

[0031] By arranging the housing 15, the second buffer spring 16, the support base plate 17, the support arm 18 and the pressure plate 19, a secondary buffering effect can be achieved, the buffering effect is guaranteed, and the overall service life and safety of the buffer are improved.

[0032] During operation, by providing an anti-aging flexible sheath and an aging-resistant coating, the polyurethane buffer seat can be protected against aging, thereby improving the anti-powdering performance of the polyurethane buffer seat, and further improving the service life and safety of the polyurethane buffer seat; by providing an annular groove, a stacking effect can be formed when the polyurethane buffer seat is compressed to avoid displacement; by providing an anti-slip protrusion, the anti-slip performance can be improved; by providing a buffer spring 1, the buffering effect can be improved; by providing a flexible wear-resistant sheath woven from a plurality of wear-resistant fibers, the buffer spring 1 can be prevented from directly contacting the polyurethane buffer seat and causing wear of the polyurethane buffer seat; by providing a secondary buffer assembly composed of a shell, a buffer spring 2, a support base plate, a support arm and a pressure plate, a secondary spring buffer can be formed, thereby ensuring safety and stability in use.

Claims

1. A polyurethane buffer with a long lifespan and capable of preventing powdering, comprising a polyurethane buffer body (1), characterized in that: The polyurethane buffer body (1) is composed of a polyurethane buffer seat (2), an anti-aging flexible sheath (3), a mounting screw (4), a supporting base plate (5), a plurality of secondary buffer components (6), a supporting top plate (7) and a buffer spring (8); the anti-aging flexible sheath (3) is connected to the arc-shaped outer surface of the polyurethane buffer seat (2); the supporting base plate (5) is fixedly connected to the bottom end inside the polyurethane buffer seat (2); the mounting screw (4) is fixedly connected to the middle position of the bottom end of the supporting base plate (5) and inserted into the polyurethane buffer seat (2); the secondary buffer component (6) is fixedly connected to the side of the top end of the supporting base plate (5); the supporting top plate (7) is fixedly connected to the top end inside the polyurethane buffer seat (2); and the buffer spring (8) is connected to the middle position between the supporting base plate (5) and the supporting top plate (7).

2. The long-life polyurethane buffer capable of preventing powdering according to claim 1, characterized in that: The outer surface of the polyurethane buffer seat (2) is provided with an anti-aging coating (9), the arc-shaped outer surface of the polyurethane buffer seat (2) is provided with a plurality of annular grooves (10), and the top of the polyurethane buffer seat (2) is fixedly provided with a plurality of anti-slip protrusions (11).

3. The long-life polyurethane buffer capable of preventing powdering according to claim 2, characterized in that: The anti-aging flexible sheath (3) and the polyurethane buffer seat (2) are connected by glue, and the anti-slip protrusion (11) and the polyurethane buffer seat (2) are an integrated structure.

4. The long-life polyurethane buffer capable of preventing powdering according to claim 1, characterized in that: An inner groove (12) matching with the buffer spring (8) is provided at the center of the polyurethane buffer seat (2), and a flexible wear-resistant sleeve (13) sleeved on the buffer spring (8) is provided inside the inner groove (12).

5. The long-life polyurethane buffer capable of preventing powdering according to claim 4, characterized in that: The flexible wear-resistant sleeve (13) is formed by weaving a plurality of wear-resistant fibers (14).

6. The long-life polyurethane buffer capable of preventing powdering according to claim 1, characterized in that: The secondary buffer assembly (6) is composed of a shell (15), a second buffer spring (16), a support base plate (17), a support arm (18) and a pressure plate (19); the shell (15) is connected to the support base plate (5) through insertion; the second buffer spring (16) is located inside the shell (15); the support base plate (17) is located at the top end inside the shell (15); the support arm (18) is fixedly connected to the middle position of the top end of the support base plate (17) and is inserted into the shell (15); and the pressure plate (19) is fixedly connected to the top end of the support arm (18).

7. The long-life polyurethane buffer capable of preventing powdering according to claim 6, characterized in that: A plurality of mounting plates (20) are fixedly arranged at the bottom end of the side of the housing (15), and the mounting plates (20) are fixedly connected to the supporting bottom plate (5) via bolts (21).

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