Shock absorber with high strength and stable performance

Abstract

The utility model discloses a shock absorber with high strength and stable performance, which comprises a spring seat, a lever barrel arranged at the right end of the spring seat, an oil cavity arranged in the middle of the lever barrel, a shock absorbing spring sleeved on the outer side of the lever barrel, and a limiting mechanism arranged at the lower end of the spring seat. The limiting mechanism is used for locking the fixing column and the spring seat, the floating piston stretches out and draws back in the oil cavity, damping oil is arranged on the left side of the oil cavity, and the right side of the oil cavity is filled with nitrogen. According to the high-strength and stable-performance shock absorber, the fastening performance of installation and connection of the whole parts is high, the overall tensile strength is improved, mutual movement of the parts is more stable, the arrangement of a valve plate, an elastic piece and a floating piston is combined, impact brought by the ground can be absorbed more rapidly in the using process, and the service life of the shock absorber is prolonged. And the shock absorber integrally adopts floating piston type oil-gas separation, so that the shock absorber is more stable in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field related to shock absorbers, in particular to a shock absorber with high strength and stable performance. Background Art

[0002] Shock absorber refers to a buffering device that can buffer the impact of the ground during the driving process of the vehicle, so that the rider feels comfortable. When the shock absorber is impacted, it first absorbs energy through the deformation of the spring, and then eliminates part of the energy through hydraulic damping when the spring releases the energy, so that the rider feels comfortable;

[0003] With reference to Chinese patent authorization announcement number CN213064455U, the authorization announcement date is 2021.04.27, and a vehicle shock absorber is disclosed, including a first connecting rod and a second connecting rod, a sleeve is provided on the first connecting rod, and a main sliding rod sliding in the sleeve is provided on the second connecting rod, and a main spring is nested on the sleeve and the main sliding rod; one end of the main spring is connected to the first connecting rod or the second connecting rod through a spacer, or both ends are connected to the first connecting rod and the second connecting rod through a spacer; a plurality of auxiliary sliding rods evenly distributed along the circumferential direction are fixed on the spacer, and an adjustment hole for the auxiliary sliding rod to penetrate is opened on the corresponding first connecting rod or the second connecting rod, and the auxiliary sliding rod can slide freely in the adjustment hole through the auxiliary spring. The utility model not only meets the main shock-absorbing support, but also enables the shock absorber to adapt to the shock absorption of a small distance deformation or low-force impact, thereby improving the overall shock absorption effect of the vehicle. However, the shock absorber commonly used only absorbs the energy generated during the impact by deforming the spring under compression, which has limited effect, the overall tensile strength is not high, and the stability needs to be improved.

[0004] Therefore, we proposed a high-strength and stable shock absorber to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-strength shock absorber with stable performance, so as to solve the problems proposed in the above background technology that the commonly used shock absorber only absorbs the energy generated during the impact by deforming the spring under extrusion, the effect is limited, the overall tensile strength is not high, and the stability needs to be improved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength and stable-performance shock absorber, comprising a spring seat, a lever barrel arranged at the right end of the spring seat, an oil chamber opened in the middle of the lever barrel, and a shock-absorbing spring sleeved on the outside of the lever barrel;

[0007] Also includes:

[0008] A limiting mechanism, which is arranged at the lower end of the spring seat and is used to lock the fixing column and the spring seat;

[0009] The floating piston is retracted in the oil chamber, and the left side of the oil chamber is provided with damping oil, and the right side of the oil chamber is filled with nitrogen.

[0010] Preferably, the right end of the spring seat is threadedly connected to a shock absorbing rod, and the left side of the spring seat is fixedly connected to a first mounting block, and the spring seat is threadedly connected to the fixing column.

[0011] Preferably, the limiting mechanism includes a fixed block fixedly connected to the inner side of the lower end of the spring seat, a return spring sleeved on the left side of the fixed block, and a locking block fixedly connected to the movable end of the return spring.

[0012] Preferably, the locking block forms a telescopic structure in the spring seat, and the locking block is snap-connected to the side surface of the lower end of the fixing column.

[0013] Preferably, the right end of the lever barrel is fixedly connected to a second mounting block, and mounting grooves are provided in the middle of the second mounting block and the first mounting block, and a dust damper is fixedly installed at the opening on the left side of the lever barrel.

[0014] Preferably, a valve plate is provided at the right end of the dust damper, and a spring plate is provided at the right end of the valve plate, and the spring plate is fitted on the left end of the main piston;

[0015] Wherein, the valve plate is snap-fitted and connected to the dust damper.

[0016] Preferably, the main piston is telescopically connected in the oil chamber, and a connecting column is penetrated and connected to the middle of the main piston, and the connecting column is threadedly connected to the shock absorber bar.

[0017] Preferably, the right end of the connecting column is threadedly connected with a locking cap for locking, and the locking cap is fittedly arranged on the right end of the main piston.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the high-strength and stable-performance shock absorber is threadedly connected between the fixing column and the spring seat, the shock absorber bar and the spring seat are threadedly connected, and the limit mechanism locks the shock absorber bar and the spring seat, thereby improving the tightness of the installation connection of the overall components, increasing the overall tensile strength, and making the movement of the parts more stable. Combined with the arrangement of the valve plate, the spring plate and the floating piston, the shock absorber can absorb the impact brought by the ground more quickly during use, and the overall shock absorber adopts the floating piston type oil-gas separation, making the shock absorber more stable during operation.

[0019] 1. It is equipped with a shock-absorbing bar, a fixed column and a limiting mechanism. The shock-absorbing bar and the fixed column are respectively connected to the spring seat by threads. Combined with the setting of the limiting mechanism, it is convenient to lock the fixed column and the spring seat, and the overall installation has high tightness;

[0020] 2. It is equipped with a floating piston and a main piston. Both the floating piston and the main piston are retracted in the oil chamber. The floating piston type oil-gas separation is adopted, which has high stability.

[0021] 3. A valve plate and a spring are provided, and both are placed on the left side of the main piston. Through the setting of the valve plate and the spring, the impact caused by the ground can be absorbed more quickly during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0023] Figure 2 This is a front view structural diagram of the connection between the shock-absorbing bar and the fixed column of the utility model;

[0024] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 4 This is a schematic diagram of the overall structure of the connection between the connecting column, the main piston and the locking cap of the utility model.

[0026] In the figure: 1. spring seat; 2. shock absorber bar; 3. first mounting block; 4. fixing column; 5. limit mechanism; 6. fixing block; 7. reset spring; 8. locking block; 9. lever cylinder; 10. oil chamber; 11. second mounting block; 12. mounting groove; 13. dust damper; 14. floating piston; 15. connecting column; 16. valve plate; 17. spring; 18. main piston; 19. locking cap; 20. shock absorber spring. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-4The utility model provides a technical solution: a high-strength and stable shock absorber, comprising a spring seat 1, a shock absorbing rod 2, a first mounting block 3, a fixing column 4, a limiting mechanism 5, a fixing block 6, a reset spring 7, a locking block 8, a lever tube 9, an oil chamber 10, a second mounting block 11, a mounting groove 12, a dust damper 13, a floating piston 14, a connecting column 15, a valve plate 16, a spring 17, a main piston 18, a locking cap 19 and a shock absorbing spring 20.

[0029] When using this high-strength and stable shock absorber, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the left side of the spring seat 1 is fixedly connected with a first mounting block 3, and the right end of the lever tube 9 is fixedly connected with a second mounting block 11, and the middle parts of the first mounting block 3 and the second mounting block 11 are both provided with mounting grooves 12, and the shock absorber can be installed at the corresponding position on the vehicle through the mounting grooves 12 and external bolts and nuts, the right end of the spring seat 1 is threadedly connected with the shock absorber bar 2, and the spring seat 1 is threadedly connected with the fixing column 4, and the fixing column 4 is snap-fitted with the shock absorber bar 2, combined with the setting of the limiting mechanism 5, the limiting mechanism 5 includes a fixing block 6 fixedly connected to the inner side of the lower end of the spring seat 1, a return spring 7 sleeved on the left side of the fixing block 6, and a locking block 8 fixedly connected to the movable end of the return spring 7, the locking block 8 forms a telescopic structure at the lower end of the spring seat 1, and the locking block 8 is snapped with the side surface of the lower end of the fixing column 4, so as to facilitate the locking between the spring seat 1 and the fixing column 4, further improving the stability of the connection between the fixing column 4 and the spring seat 1, so that the connection between the shock absorber bar 2 and the spring seat 1 is more stable;

[0030] An oil chamber 10 is provided in the middle of the lever barrel 9, a dust damper 13 is fixedly installed at the opening on the left side of the lever barrel 9, the shock absorber bar 2 is installed through the dust damper 13, lubricating oil is provided inside the oil chamber 10, and a floating piston 14 is telescopically connected inside the oil chamber 10, the lubricating oil is provided on the left side of the floating piston 14, and nitrogen is provided on the right end of the floating piston 14;

[0031] In addition, the right end of the dust damper 13 is snap-connected with the valve plate 16, and the right end of the valve plate 16 is provided with a spring plate 17, which is fitted on the left side of the main piston 18. Through the arrangement of the valve plate 16 and the spring plate 17, the impact brought by the ground can be absorbed more quickly during use, and the buffering effect is better. When the shock absorber is working, the spring seat 1 moves to the right to drive the shock absorber bar 2 to move to the right. The spring seat 1 squeezes the shock absorber spring 20 to deform and absorb energy, and the main piston 18 moves in the oil chamber 10, and can push the floating piston 14 to telescope and move in the oil chamber 10 through the shock absorber oil. By adopting the floating piston 14 type of oil-gas separation, the shock absorber is more stable during operation, and the overall tensile strength is higher. The performance is more stable and reliable during use, and the movement of parts relative to each other is more stable.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock absorber with high strength and stable performance, comprising a spring seat (1), a lever barrel (9) arranged at the right end of the spring seat (1), an oil chamber (10) opened in the middle of the lever barrel (9), and a shock absorbing spring (20) sleeved on the outside of the lever barrel (9); It is characterized in that Also includes: A limiting mechanism (5), wherein the limiting mechanism (5) is arranged at the lower end of the spring seat (1), and the limiting mechanism (5) is used to lock the fixing column (4) and the spring seat (1); A floating piston (14) is retracted in the oil chamber (10), wherein the left side of the oil chamber (10) is provided with shock-absorbing oil, and the right side of the oil chamber (10) is filled with nitrogen.

2. A high-strength and stable-performance shock absorber according to claim 1, characterized in that: The right end of the spring seat (1) is threadedly connected to a shock absorbing rod (2), and the left side of the spring seat (1) is fixedly connected to a first mounting block (3), and the spring seat (1) is threadedly connected to a fixing column (4).

3. A shock absorber with high strength and stable performance according to claim 1, characterized in that: The limiting mechanism (5) comprises a fixing block (6) fixedly connected to the inner side of the lower end of the spring seat (1), a return spring (7) sleeved on the left side of the fixing block (6), and a locking block (8) fixedly connected to the movable end of the return spring (7).

4. A shock absorber with high strength and stable performance according to claim 3, characterized in that: The locking block (8) forms a telescopic structure in the spring seat (1), and the locking block (8) is snap-fitted and connected to the side surface of the lower end of the fixing column (4).

5. A shock absorber with high strength and stable performance according to claim 1, characterized in that: The right end of the lever barrel (9) is fixedly connected to a second mounting block (11), and mounting grooves (12) are provided in the middle of the second mounting block (11) and the first mounting block (3), and a dust damper (13) is fixedly installed at the opening on the left side of the lever barrel (9).

6. A high-strength and stable-performance shock absorber according to claim 5, characterized in that: The right end of the dust damper (13) is provided with a valve plate (16), the right end of the valve plate (16) is provided with a spring plate (17), and the spring plate (17) is arranged in close contact with the left end of the main piston (18); Wherein, the valve plate (16) is snap-fitted and connected to the dustproof damper (13).

7. A high-strength and stable-performance shock absorber according to claim 6, characterized in that: The main piston (18) is telescopically connected in the oil chamber (10), and a connecting column (15) is connected through the middle of the main piston (18), and the connecting column (15) is threadedly connected to the shock absorber bar (2).

8. A high-strength and stable-performance shock absorber according to claim 7, characterized in that: The right end of the connecting column (15) is threadedly connected with a locking cap (19) for locking, and the locking cap (19) is fitted on the right end of the main piston (18).

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