Built-in adjustable seat shock absorber

Abstract

The invention provides a built-in adjustable seat shock absorber, and relates to the field of seat shock absorbers, the built-in adjustable seat shock absorber comprises a positioning hanging ring seat, a hollow connecting rod, an adjusting connecting rod, an integrated oil storage cylinder, a limiting piston head, a guide mounting seat, a sealing oil retainer and a wear-resistant sleeve; the hollow connecting rod is welded at the lower part of the positioning hanging ring seat; the adjusting connecting rod is rotationally connected to the middle of the hollow connecting rod; the integrated oil storage cylinder is arranged on the outer side of the hollow connecting rod; the limiting piston head is in threaded connection with the lower part of the hollow connecting rod; the guide mounting seat is inserted into the upper part of the integrated oil storage barrel; the sealing oil retainer is fixedly connected to the lower part of the guide mounting seat; the wear-resistant sleeve is in spline connection with the middle of the positioning hanging ring seat; the situation that the stirring torque is too large when the resistance of the seat shock absorber is adjusted is avoided, the adjusting stability of the seat shock absorber is guaranteed, meanwhile, the connecting strength is guaranteed, and the problems that the stirring torque is too large when the resistance of the seat shock absorber is adjusted, and the connecting strength of the hanging ring base and the inner connecting rod is low are solved.

Description

Technical Field

[0001] The invention relates to the technical field of seat shock absorbers, and in particular to a built-in adjustable seat shock absorber. Background Art

[0002] Seat shock absorbers can effectively attenuate seat vibrations and provide greater comfort for drivers or passengers. Therefore, most car seats are equipped with seat shock absorbers. Existing seat shock absorbers are mostly composed of a flow valve, a compression valve, a piston, an outer connecting rod, an inner connecting rod, etc. When the damping of the seat shock absorber needs to be adjusted, the outer connecting rod can be rotated to drive the damping switch to adjust the resistance, thereby meeting different shock absorption requirements.

[0003] However, the existing seat shock absorber has too large actuating torque when adjusting the resistance, which makes the operation more laborious and affects the reliability of the actuating device. When the eyelet and the inner connecting rod are welded together, the contact area between the two is small, which affects the connection strength and further affects the connection stability of the seat shock absorber. In severe cases, the seat shock absorber is prone to breakage, causing failure of the shock absorber. Summary of the invention

[0004] In view of this, the present invention provides a built-in adjustable seat shock absorber, which can ensure the connection stability of the seat shock absorber, avoid the situation where the seat shock absorber makes a loud noise when it is in operation, and improve the use effect of the seat shock absorber. The wear resistance of the connection is improved by a wear-resistant sleeve, the service life of the seat shock absorber is improved, and the damping stability of the seat shock absorber is ensured. The damping is adjusted by rotating the position adjustment lever, and the problem of large resistance and difficult operation when adjusting the damping by rotating the outer connecting rod in the prior art is avoided, and the operating difficulty is effectively reduced. The weight of the seat shock absorber is reduced by an integrated oil storage cylinder made of cast aluminum alloy, and the welding area is increased by welding the hollow connecting rod and the positioning lifting ring seat together, which effectively improves the connection strength, improves the connection stability of the seat shock absorber, and effectively avoids the situation where the shock absorber fails due to the breakage of the inner connecting rod.

[0005] The present invention provides a purpose and effect of a built-in adjustable seat shock absorber, which specifically includes: a positioning ring seat, a hollow connecting rod, an adjusting connecting rod, an integrated oil storage cylinder, a piston cylinder, an oil compression valve, a piston mounting seat, a limiting piston head, a guide mounting seat, a sealing oil retaining ring, a wear-resistant sleeve, an adjusting structure, a lubricating structure and a lubricating oil outlet seat; the hollow connecting rod is welded to the lower part of the positioning ring seat; the adjusting connecting rod is rotatably connected to the middle part of the hollow connecting rod; the integrated oil storage cylinder is arranged on the outer side of the hollow connecting rod; the piston cylinder is sleeved on the inner side of the integrated oil storage cylinder; the oil compression valve is plugged into the The lower part of the piston cylinder, the lower part of the oil compression valve is fitted with the integrated oil storage cylinder; the limit piston head is threadedly connected to the lower part of the hollow connecting rod; the piston mounting seat is bolted to the lower part of the limit piston head; the guide mounting seat is inserted into the upper part of the integrated oil storage cylinder; the sealing oil retaining ring is fixedly connected to the lower part of the guide mounting seat; the wear-resistant sleeve is splined to the middle part of the positioning lifting ring seat; the lubrication structure is arranged on the inner side of the positioning lifting ring seat; the lubricating oil outlet seat is threadedly connected to the middle part of the positioning lifting ring seat; the adjustment structure is arranged on the inner side of the integrated oil storage cylinder.

[0006] Furthermore, the adjustment structure includes a positioning arc plate and a position limiting rod; the positioning arc plate is fixedly connected to the right end face of the positioning lifting ring seat; a plurality of position limiting rods are provided, and the plurality of position limiting rods are evenly distributed and fixedly connected to the outer side face of the positioning arc plate.

[0007] Furthermore, the adjustment structure also includes a first connecting hole and a limiting plug block; the first connecting hole is opened at the lower part of the hollow connecting rod; the limiting plug block is fixedly connected to the lower end surface of the adjustment connecting rod.

[0008] Furthermore, the adjustment structure also includes a flow adjustment valve core and a second connecting hole; the flow adjustment valve core is inserted into the outer side of the limit plug; the second connecting hole is opened in the middle of the flow adjustment valve core, and the second connecting hole is an L-shaped structure.

[0009] Furthermore, the adjustment structure also includes a position adjustment lever and a position limiting plate; the position adjustment lever is fixedly connected to the upper part of the adjustment connecting rod; and the position limiting plate is spline-connected to the right side of the position adjustment lever.

[0010] Furthermore, the adjustment structure also includes a second reset elastic member and a rubber sealing ring; the position limiting plate is elastically connected to the position adjustment lever via the second reset elastic member; and the rubber sealing ring is bonded to the upper portion of the adjustment connecting rod.

[0011] Furthermore, the adjustment structure also includes a third communicating hole and a sealing oil seal; the third communicating hole is opened in the middle of the limiting piston head; and the sealing oil seal is fixedly connected to the upper part of the guide mounting seat.

[0012] Furthermore, the lubrication structure also includes a lubricating oil circulation groove, an anti-leakage baffle ring and a third reset elastic member; the lubricating oil circulation groove is opened in the middle part of the lubricating oil outlet seat; the anti-leakage baffle ring is sleeved on the outer side of the lubricating oil outlet seat; the anti-leakage baffle ring is elastically connected to the lubricating oil outlet seat through the third reset elastic member.

[0013] Beneficial Effects

[0014] The present invention improves the wear resistance of the connection through the wear-resistant sleeve, thereby increasing the service life of the seat shock absorber; fixes the position of the adjustment connecting rod through the position limiting plate and the position limiting rod, thereby ensuring the damping stability of the seat shock absorber; adjusts the damping by rotating the position adjustment lever, thereby avoiding the problem of large resistance and difficult operation when adjusting the damping by rotating the outer connecting rod in the prior art, effectively reducing the operating difficulty and improving the reliability of damping adjustment; reduces the weight of the seat shock absorber through the integrated oil storage cylinder made of cast aluminum alloy; increases the welding area by welding the hollow connecting rod and the positioning lifting ring seat together, effectively improving the connection strength, improving the connection stability of the seat shock absorber, and effectively avoiding the situation where the shock absorber fails due to the breakage of the inner connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment will be briefly introduced below.

[0016] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic cross-sectional view of the positioning lifting ring seat of the present invention.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the wear-resistant sleeve and the lubricating oil outlet seat of the present invention.

[0021] Figure 4 It is a schematic diagram of the disassembled structure of the lubricating oil outlet seat, the anti-leakage baffle ring and the sealing rubber pressing plate of the present invention.

[0022] Figure 5 It is a schematic cross-sectional view of the integrated oil storage cylinder of the present invention.

[0023] Figure 6 It is a schematic diagram of the positional relationship between the piston cylinder and the guide mounting seat of the present invention.

[0024] Figure 7 It is a schematic cross-sectional structural diagram of the hollow connecting rod, the flow regulating valve core and the limit piston head of the present invention.

[0025] Figure 8 It is a schematic diagram of the disassembled structure of the hollow connecting rod, the adjusting connecting rod, the flow adjusting valve core and the limiting piston head of the present invention.

[0026] Reference numerals list

[0027] 1. Positioning ring seat; 101. Positioning arc plate; 102. Position limiting rod; 103. Position fixing ring; 104. Sealing rubber pressure plate; 105. First resetting elastic member; 2. Hollow connecting rod; 201. First connecting hole; 202. Adjusting connecting rod; 203. Limiting plug; 204. Flow regulating valve core; 205. Second connecting hole; 206. Position adjusting lever; 207. Position limiting plate; 208. Second resetting elastic member; 20 9. Rubber sealing ring; 3. Integrated oil storage cylinder; 4. Piston cylinder; 5. Oil compression valve; 6. Piston mounting seat; 7. Limiting piston head; 701. Third connecting hole; 8. Guide mounting seat; 801. Sealing oil seal; 9. Sealing oil retaining ring; 10. Wear-resistant sleeve; 1001. Mounting through hole; 11. Lubricating oil outlet seat; 1101. Oil guide sponge; 1102. Lubricating oil circulation groove; 1103. Anti-leakage retaining ring; 1104. Third reset elastic member. DETAILED DESCRIPTION

[0028] Example 1: Please refer to Figures 1 to 7 As shown:

[0029] The present invention provides a built-in adjustable seat shock absorber, comprising: a positioning ring seat 1, a hollow connecting rod 2, an adjusting connecting rod 202, an integrated oil storage cylinder 3, a piston cylinder 4, an oil compression valve 5, a piston mounting seat 6, a limiting piston head 7, a guide mounting seat 8, a sealing oil retaining ring 9, a wear-resistant sleeve 10, a lubrication structure and a lubricating oil outlet seat 11; the hollow connecting rod 2 is welded to the lower part of the positioning ring seat 1; the adjusting connecting rod 202 is rotatably connected to the middle part of the hollow connecting rod 2; the integrated oil storage cylinder 3 is arranged on the outer side of the hollow connecting rod 2; the piston cylinder 4 is sleeved on the inner side of the integrated oil storage cylinder 3; the oil compression valve 5 is plugged into the lower part of the piston cylinder 4, and the oil The lower part of the hydraulic compression valve 5 fits with the integrated oil storage cylinder 3; the limiting piston head 7 is threadedly connected to the lower part of the hollow connecting rod 2; the piston mounting seat 6 is bolted to the lower part of the limiting piston head 7; the guide mounting seat 8 is plugged into the upper part of the integrated oil storage cylinder 3; the sealing oil retaining ring 9 is fixedly connected to the lower part of the guide mounting seat 8; the wear-resistant sleeve 10 is splined to the middle part of the positioning lifting ring seat 1; the lubrication structure is arranged on the inner side of the positioning lifting ring seat 1; the lubricating oil outlet seat 11 is threadedly connected to the middle part of the positioning lifting ring seat 1; a storage chamber is opened on the inner side of the positioning lifting ring seat 1, and a one-way valve is installed at the refueling port of the storage chamber; the integrated oil storage cylinder 3 is made of cast aluminum alloy material.

[0030] The lubrication structure includes a sealing rubber pressure plate 104 and a first reset elastic member 105 ; the sealing rubber pressure plate 104 is slidably connected to the inner side of the positioning ring seat 1 ; the sealing rubber pressure plate 104 is elastically connected to the positioning ring seat 1 through the first reset elastic member 105 .

[0031] Among them, the lubrication structure also includes a position fixing ring 103, an installation through hole 1001 and an oil guide sponge 1101; two position fixing rings 103 are provided, and the two position fixing rings 103 are respectively threadedly connected to the left and right sides of the positioning lifting ring seat 1; the installation through hole 1001 is opened at the upper part of the wear-resistant sleeve 10; the oil guide sponge 1101 is bonded to the inner side of the lubricating oil outlet seat 11.

[0032] Among them, the lubrication structure also includes a lubricating oil circulation groove 1102, an anti-leakage baffle ring 1103 and a third reset elastic member 1104; the lubricating oil circulation groove 1102 is opened in the middle of the lubricating oil outlet seat 11; the anti-leakage baffle ring 1103 is sleeved on the outer side of the lubricating oil outlet seat 11; the anti-leakage baffle ring 1103 is elastically connected to the lubricating oil outlet seat 11 through the third reset elastic member 1104.

[0033] Specific usage and function of this embodiment: After the positioning ring seat 1 is installed on the seat, whenever the seat is vibrated, the anti-leakage baffle ring 1103 will drive the third reset elastic member 1104 to shake under the action of vibration, so that the lubricating oil flow groove 1102 is connected with the storage chamber, so that the lubricating oil flows from the lubricating oil flow groove 1102 to the oil guide sponge 1101. At this time, the lubricating oil can lubricate the connection of the seat shock absorber and reduce the friction force on the connection. At the same time, the positioning ring seat 1 and the hollow connecting rod 2 squeeze the limiting piston head 7 and the piston mounting seat 6, so that the limiting piston head 7 slides in the piston cylinder 4, so that the oil in the integrated oil storage cylinder 3 flows, and the vibration of the seat is buffered by the resistance of the oil flow, so as to achieve seat shock absorption, and the guide mounting seat 8 can control the movement of the hollow connecting rod 2. The guiding and sealing oil retaining ring 9 can realize the sealing between the hollow connecting rod 2 and the guiding mounting seat 8. When the vibration stops, the third reset elastic member 1104 can make the anti-leakage retaining ring 1103 block the outside of the lubricating oil circulation groove 1102 to prevent the lubricating oil from flowing out. The oil compression valve 5 can draw back the oil to reset the seat shock absorber. When the wear-resistant sleeve 10 is damaged, unscrew the lubricating oil outlet seat 11. At this time, the sealing rubber pressure plate 104 automatically resets to seal the storage chamber under the action of the first reset elastic member 105. Unscrew the position fixing ring 103, pull out the damaged wear-resistant sleeve 10 and replace it with a new wear-resistant sleeve 10. After replacement, screw the position fixing ring 103 back to its original position, then insert the lubricating oil outlet seat 11 into the mounting through hole 1001 and tighten the lubricating oil outlet seat 11 to complete the replacement of the wear-resistant sleeve 10.

[0034] Example 2: Please refer to Figures 2 to 8 As shown:

[0035] On the basis of the first embodiment, an adjustment structure is further included; the adjustment structure is arranged on the inner side of the integrated oil storage cylinder 3 .

[0036] Among them, the adjustment structure includes a positioning arc plate 101 and a position limiting rod 102; the positioning arc plate 101 is fixedly connected to the right end face of the positioning lifting ring seat 1; there are multiple position limiting rods 102, and the multiple position limiting rods 102 are evenly distributed and fixedly connected to the outer side face of the positioning arc plate 101.

[0037] The adjustment structure further includes a first connecting hole 201 and a limiting plug 203 ; the first connecting hole 201 is provided at the lower part of the hollow connecting rod 2 ; the limiting plug 203 is fixedly connected to the lower end surface of the adjusting connecting rod 202 .

[0038] The adjustment structure further includes a flow adjustment valve core 204 and a second connecting hole 205; the flow adjustment valve core 204 is plugged into the outer side of the limit plug 203; the second connecting hole 205 is opened in the middle of the flow adjustment valve core 204, and the second connecting hole 205 is an L-shaped structure.

[0039] The adjustment structure further includes a position adjustment lever 206 and a position limiting plate 207 ; the position adjustment lever 206 is fixedly connected to the upper portion of the adjustment connecting rod 202 ; and the position limiting plate 207 is spline-connected to the right side of the position adjustment lever 206 .

[0040] The adjustment structure further includes a second reset elastic member 208 and a rubber sealing ring 209 ; the position limiting plate 207 is elastically connected to the position adjustment lever 206 via the second reset elastic member 208 ; and the rubber sealing ring 209 is bonded to the upper portion of the adjustment connecting rod 202 .

[0041] The adjustment structure further includes a third communicating hole 701 and a sealing oil seal 801 ; the third communicating hole 701 is opened in the middle of the limiting piston head 7 ; the sealing oil seal 801 is fixedly connected to the upper part of the guide mounting seat 8 .

[0042] The specific usage and function of this embodiment: when the damping needs to be adjusted, the position limiting plate 207 is pulled to separate the position limiting rod 102 outside the positioning arc plate 101, and the position adjustment lever 206 is pushed to rotate the adjustment connecting rod 202. When the adjustment connecting rod 202 rotates, the limit plug 203 is driven to rotate, so that the limit plug 203 pushes the flow adjustment valve core 204 to rotate, thereby adjusting the direction of the second connecting hole 205, changing the second connecting hole 205 and the first connecting hole 201 and the third connecting hole 70. 1, thereby changing the resistance of the oil flow and realizing the damping adjustment of the seat shock absorber. After the adjustment is completed, the position limiting plate 207 is released, so that the position limiting plate 207 is automatically reset and inserted into the corresponding outer side of the position limiting rod 102 under the action of the second reset elastic member 208, so as to fix the position of the adjustment connecting rod 202 and the flow adjustment valve core 204. The rubber sealing ring 209 can realize the sealing between the adjustment connecting rod 202 and the hollow connecting rod 2, and the sealing oil seal 801 can realize the sealing between the positioning lifting ring seat 1 and the guide mounting seat 8.

[0043] In this article, there are a few points to note:

[0044] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0045] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0046] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A built-in adjustable seat shock absorber, comprising: A positioning ring seat (1), a hollow connecting rod (2), an adjusting connecting rod (202), an integrated oil storage cylinder (3), a piston cylinder (4), an oil compression valve (5), a piston mounting seat (6), a limiting piston head (7), a guide mounting seat (8), a sealing oil retaining ring (9), a wear-resistant sleeve (10), an adjusting structure, a lubricating structure and a lubricating oil outlet seat (11); the hollow connecting rod (2) is welded to the lower part of the positioning ring seat (1); the adjusting connecting rod (202) is rotatably connected to the middle part of the hollow connecting rod (2); it is characterized in that the integrated oil storage cylinder (3) is arranged on the outer side of the hollow connecting rod (2); the piston cylinder (4) is sleeved on the inner side of the integrated oil storage cylinder (3); the oil compression valve (5) is inserted into the piston cylinder (4), the lower part of the oil compression valve (5) is fitted with the integrated oil storage cylinder (3); the limit piston head (7) is threadedly connected to the lower part of the hollow connecting rod (2); the piston mounting seat (6) is bolted to the lower part of the limit piston head (7); the guide mounting seat (8) is plugged into the upper part of the integrated oil storage cylinder (3); the sealing oil retaining ring (9) is fixedly connected to the lower part of the guide mounting seat (8); the wear-resistant sleeve (10) is splined to the middle part of the positioning lifting ring seat (1); the lubrication structure is arranged on the inner side of the positioning lifting ring seat (1); the lubricating oil outlet seat (11) is threadedly connected to the middle part of the positioning lifting ring seat (1); and the adjustment structure is arranged on the inner side of the integrated oil storage cylinder (3).

2. A built-in adjustable seat shock absorber as claimed in claim 1, characterized in that: The lubrication structure comprises a lubricating oil circulation groove (1102), an anti-leakage baffle ring (1103) and a third reset elastic member (1104); the lubricating oil circulation groove (1102) is arranged in the middle of the lubricating oil outlet seat (11); the anti-leakage baffle ring (1103) is sleeved on the outer side of the lubricating oil outlet seat (11); the anti-leakage baffle ring (1103) is elastically connected to the lubricating oil outlet seat (11) via the third reset elastic member (1104).

3. A built-in adjustable seat shock absorber as claimed in claim 1, characterized in that: The adjustment structure comprises a positioning arc plate (101) and a position limiting rod (102); the positioning arc plate (101) is fixedly connected to the right end surface of the positioning lifting ring seat (1); a plurality of the position limiting rods (102) are provided, and the plurality of the position limiting rods (102) are evenly distributed and fixedly connected to the outer side surface of the positioning arc plate (101).

4. A built-in adjustable seat shock absorber as claimed in claim 1, characterized in that: The adjustment structure further comprises a first connecting hole (201) and a limiting plug block (203); the first connecting hole (201) is provided at the lower part of the hollow connecting rod (2); and the limiting plug block (203) is fixedly connected to the lower end surface of the adjusting connecting rod (202).

5. A built-in adjustable seat shock absorber as claimed in claim 4, characterized in that: The adjustment structure further comprises a flow adjustment valve core (204) and a second connecting hole (205); the flow adjustment valve core (204) is plugged into the outer side of the limit plug block (203); the second connecting hole (205) is arranged in the middle of the flow adjustment valve core (204), and the second connecting hole (205) is an L-shaped structure.

6. A built-in adjustable seat shock absorber as claimed in claim 1, characterized in that: The adjustment structure also includes a position adjustment lever (206) and a position limiting plate (207); the position adjustment lever (206) is fixedly connected to the upper part of the adjustment connecting rod (202); and the position limiting plate (207) is spline-connected to the right side of the position adjustment lever (206).

7. A built-in adjustable seat shock absorber as claimed in claim 6, characterized in that: The adjustment structure also includes a second reset elastic member (208) and a rubber sealing ring (209); the position limiting plate (207) is elastically connected to the position adjustment lever (206) via the second reset elastic member (208); and the rubber sealing ring (209) is bonded to the upper part of the adjustment connecting rod (202).

8. The built-in adjustable seat shock absorber according to claim 1, characterized in that: The adjustment structure further comprises a third communicating hole (701) and a sealing oil seal (801); the third communicating hole (701) is opened in the middle of the limiting piston head (7); and the sealing oil seal (801) is fixedly connected to the upper part of the guide mounting seat (8).

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