Closed dustproof automobile shock absorber

Abstract

The utility model relates to the technical field of automobile shock absorbers, in particular to a closed dustproof automobile shock absorber which comprises a shock absorber body, fixing seats and a protection assembly, the upper end and the lower end of the shock absorber body are used for being connected with the fixing seats, and the protection assembly is connected to the fixing seats and comprises an isolation assembly, a heat dissipation assembly and a cleaning assembly. The shock absorber body is sleeved with the isolation assembly, the isolation assembly is connected with the two fixing bases, the heat dissipation assembly is connected to the shock absorber body, and the cleaning assembly is connected to the fixing bases. According to the shock absorber, the heat dissipation assembly sucks fresh air and exhausts hot air in the isolation assembly so as to reduce the temperature of the shock absorber body, and when the isolation assembly is in the use state, the cleaning assembly can be driven to synchronously enter the use state; the cleaning assembly moves along the central axis of the shock absorber body to clean slurry and dust attached to the surface of the heat dissipation assembly, and it is avoided that the heat dissipation capacity of the heat dissipation assembly is reduced due to external factors.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile shock absorbers, in particular to a closed dustproof automobile shock absorber. Background Art

[0002] In vehicle production, in order to increase the comfort of the vehicle, shock absorbers are used in the automobile chassis system for shock absorption and buffering, so as to quickly attenuate the vibration of the frame and body and improve the smoothness and comfort of the vehicle's driving.

[0003] After searching, Chinese patent announcement number CN218408300U discloses a closed dustproof automobile shock absorber, including a lower fixing seat, an upper fixing seat, a shock absorber body, a protective mechanism and an auxiliary heat dissipation mechanism, wherein the lower fixing seat is fixedly mounted on the bottom of the shock absorber body, the upper fixing seat is fixedly mounted on the top of the shock absorber body, the bottom of the lower fixing seat is connected with a lower hanging ear, the top of the upper fixing seat is connected with an upper hanging ear, and the protective mechanism is located outside the shock absorber body. The utility model sets a protective mechanism, and the protective mechanism is composed of an upper protective sleeve and a lower protective sleeve, and the upper protective sleeve and the lower protective sleeve are slidably connected, so that the upper protective sleeve and the lower protective sleeve can be used to protect the shock absorber body, so as to prevent dust or mud from adhering to the shock absorber body and affecting the operation of the shock absorber body, and by providing a rubber protective surface layer on the surface of the upper protective sleeve and the lower protective sleeve, it can prevent stones from splashing and causing damage to the protective mechanism, thereby extending the service life of the protective mechanism.

[0004] However, in the above technical solution, only the upper protective cover and the lower protective cover are used to form a closed space to prevent external dust and mud from adhering to the surface of the shock absorber body. However, when the patent is in use, the upper protective cover and the lower protective cover are easily contacted with mud and dust, and the air bag air inlet and the filter screen on the upper protective cover are easily contacted with dust and mud. The filter is easily blocked by mud, and the blockage of the filter screen causes abnormal air inlet and outlet. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a closed dustproof automobile shock absorber.

[0006] The technical solution of the utility model is as follows: a closed dustproof automobile shock absorber comprises a shock absorber body, both ends of which are connected to fixed seats; a protective component, which is connected to the fixed seat, the protective component comprises an isolation component, a heat dissipation component and a cleaning component, the isolation component is sleeved on the outer side of the shock absorber body, and the isolation component is connected to two fixed seats; the isolation component is of split design, and the isolation component can move in the same or opposite directions with the extension and contraction of the shock absorber body when in use; the heat dissipation component is connected to the shock absorber body; the heat dissipation component moves with the action of the protective component to accelerate air flow; the cleaning component is connected to the fixed seat; the cleaning component and the isolation component scrape each other to clean the surface when in use.

[0007] Preferably, the protection component includes a fixed cylinder, which is sleeved on the outside of the shock absorber body and connected to the fixed seat; a movable cylinder, which is sleeved on the outside of the shock absorber body, the outside of the movable cylinder is used to sleeve the fixed cylinder, and the movable rod is connected to the fixed seat.

[0008] Preferably, the inner wall of the moving cylinder is connected with a partition, and the partition is sleeved on the outer side of the shock absorber body.

[0009] Preferably, the inner wall of the movable cylinder is connected with a cleaning ring, and the cleaning ring is sleeved on the outer side of the fixed ring.

[0010] Preferably, the heat dissipation assembly includes an airbag, which is connected to a fixed seat, a plurality of evenly distributed air inlet pipes are connected to the side wall of the airbag, the air inlet pipes are connected to the through holes opened in the outer wall of the movable cylinder, and a plurality of evenly distributed air outlet pipes are connected to the side of the airbag away from the air inlet pipe; a filter screen, the number of which corresponds to the air inlet pipe, and the filter screen is connected to the air inlet pipe; an extrusion ring, which is connected to one end of the fixed cylinder, and the extrusion ring is connected to one end of the airbag.

[0011] Preferably, the cleaning assembly includes a fixed ring, which is sleeved on the outside of the fixed cylinder and connected to the fixed cylinder; a plurality of support rods distributed around the circumference, one end of the support rods being connected to the fixed ring; push blocks, the number of which corresponds to the support rods, the push blocks being connected to one end of the support rods; and a follower assembly, which is connected to the moving cylinder and is pushed by the support rod to move in a straight line along the central axis of the shock absorber body when in use.

[0012] Preferably, the follower assembly includes a support ring, which is sleeved on the outside of the moving cylinder and connected to the outer wall of the moving cylinder; a plurality of guide rods distributed around the circumference, one end of the guide rod being connected to the support ring; a moving ring, which is arranged parallel to the support ring in front and behind, the moving ring is sleeved on the outside of the moving cylinder, and the moving ring is provided with a plurality of through holes for sliding connection with the guide rod; and elastic members, the number of which corresponds to the guide rods, and the two ends of the elastic members are respectively connected to the moving ring and the support ring.

[0013] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0014] In the utility model, the isolation component is of split design, and the isolation component forms a cylindrical cavity for accommodating the shock absorber body. When the isolation component is in use, it can move in the opposite direction or direction with the expansion and contraction of the shock absorber body. The isolation component expands and contracts to increase or decrease the volume of the cavity to match it with the shock absorber body. When the shock absorber body expands and contracts to perform shock absorption work, the heat dissipation component enters the use state synchronously, the heat dissipation component inhales fresh air and discharges the hot air in the isolation component to reduce the temperature of the shock absorber body. When the isolation component is in use, it will drive the cleaning component to enter the use state synchronously, and the cleaning component moves along the central axis of the shock absorber body to clean the mud and dust attached to the surface of the heat dissipation component to avoid external factors causing a decrease in the heat dissipation capacity of the heat dissipation component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 for Figure 1 A cross-sectional schematic diagram of

[0017] Figure 3 for Figure 2 A magnified view of the structure at A;

[0018] Figure 4 for Figure 2 Enlarged view of the structure at B.

[0019] Figure numerals: 1. shock absorber body; 2. fixed seat; 3. fixed cylinder; 4. movable cylinder; 5. partition; 6. cleaning ring; 7. air bag; 8. air inlet pipe; 9. air outlet pipe; 10. filter screen; 11. extrusion ring; 12. fixed ring; 13. support rod; 14. push block; 15. support ring; 16. guide rod; 17. movable ring; 18. elastic member. DETAILED DESCRIPTION

[0020] Embodiment 1

[0021] like Figure 1-Figure 4 As shown, a closed dustproof automobile shock absorber proposed by the utility model comprises a shock absorber body 1, a fixing seat 2 and a protective component. The upper and lower ends of the shock absorber body 1 are used to connect the fixing seat 2, and the fixing seat 2 is connected with a lifting ear. The protective component is connected to the fixing seat 2. The protective component comprises an isolation component, a heat dissipation component and a cleaning component. The isolation component is sleeved on the outer side of the shock absorber body 1, and the isolation component is connected to the two fixing seats 2; the isolation component is a split design, and the isolation component forms a cylindrical cavity for accommodating the shock absorber body 1. The isolation component can move in the opposite direction or in the opposite direction with the expansion and contraction of the shock absorber body 1 when in use. The isolation component is extended and retracted to increase or decrease the volume of the cavity to make it match the shock absorber body 1; the heat dissipation component is connected to the shock absorber body 1; when the shock absorber body 1 is extended and retracted to perform shock absorption work, the heat dissipation component is synchronously put into use, the heat dissipation component inhales fresh air and discharges the hot air in the isolation component to reduce the temperature of the shock absorber body 1; the cleaning component is connected to the fixed seat 2, and when the isolation component is in use, it will drive the cleaning component to enter the use state synchronously, and the cleaning component moves along the central axis of the shock absorber body 1 to clean the mud and dust attached to the surface of the heat dissipation component to avoid external factors causing the heat dissipation capacity of the heat dissipation component to decrease.

[0022] Embodiment 2

[0023] like Figure 1-Figure 2As shown, a closed dustproof automobile shock absorber proposed by the utility model, compared with the first embodiment, the detailed structure of the protection component is recorded in this embodiment, and the protection component includes a fixed cylinder 3 and a movable cylinder 4, the fixed cylinder 3 is connected to the upper end surface of the fixed seat 2 near the bottom of the shock absorber body 1; a plurality of air outlets are opened on the outer wall of the movable cylinder 3, and a one-way valve is connected to the air outlet; the movable cylinder 4 is sleeved on the outside of the fixed cylinder 3, and the movable cylinder 4 is connected to the lower end surface of the fixed seat 2 at the top of the shock absorber body 1; the inner diameter of the movable cylinder 4 is larger than the outer diameter of the fixed cylinder 3, and the two cannot contact each other when sliding against each other.

[0024] In an optional embodiment, a partition plate 5 is connected to the inner wall of the movable cylinder 4, and the partition plate 5 is sleeved on the outside of the shock absorber body 1; the partition plate 5 separates the airbag 7 from the shock absorber body 1 to prevent wrinkles from entering the spring on the shock absorber body 1 when the airbag 7 contracts, thereby avoiding damage to the airbag 7.

[0025] In an optional embodiment, a cleaning ring 6 is connected to the inner wall of the movable cylinder 4, and the cleaning ring 6 is sleeved on the outside of the fixed ring 12; the cleaning ring 6 moves with the movable cylinder 4, and the cleaning ring 6 contacts the exhaust pipe 9 to reduce residual mud and prevent the mud from condensing and hindering exhaust.

[0026] Embodiment 3

[0027] like Figure 2-Figure 4 As shown, a closed dustproof automobile shock absorber proposed by the utility model, compared with the second embodiment, the detailed structure of the heat dissipation component is recorded in this embodiment, and the heat dissipation component includes an airbag 7, an air inlet pipe 8, an air outlet pipe 9, a filter screen 10 and an extrusion ring 11, the airbag 7 is connected to the lower end surface of the fixing seat 2 located at the top of the shock absorber body 1; the airbag 7 is annular in shape and is sleeved on the outside of the shock absorber body 1; the outer peripheral wall of the airbag 7 is used to connect with multiple air inlet pipes 8, the air inlet pipes 8 are distributed in a circle with the central axis of the airbag 7 as the center, and the air outlet pipes 9 are connected to the inner peripheral wall of the airbag 7 and are also distributed in a circle; the air inlet pipe 8 and the air outlet pipe 9 are both connected with a one-way valve; the extrusion ring 11 is connected to the end of the airbag 7 away from the fixing seat 2, and the other side of the extrusion ring 11 is connected to the fixing tube 3.

[0028] Embodiment 4

[0029] like Figure 1-Figure 4As shown, a closed dustproof automobile shock absorber proposed by the utility model, compared with the third embodiment, the detailed structure of the cleaning component is recorded in this embodiment, and the cleaning component includes a fixed ring 12, a support rod 13, a push block 14 and a follower component. The fixed ring 12 is connected to the outer wall of the fixed cylinder 3, and the fixed ring 12 has the same center as the fixed cylinder 3. The upper end surface of the fixed ring 12 is used to connect a plurality of circumferentially distributed support rods 13, one end of the support rod 13 is used to connect with the push block 14, and the upper part of the push block 14 is used to contact with the follower component, and the follower component is connected to the moving cylinder 4; when the follower component is in use, it is pushed by the support rod 13 to move linearly along the central axis of the shock absorber body 1. The follower component cleans the surface of the filter screen 10 to prevent mud and dust on its surface from clogging the mesh and hindering air intake.

[0030] The follower assembly includes a support ring 15, a guide rod 16, a moving ring 17 and an elastic member 18. The support ring 15 is connected to the outer wall of the moving cylinder 4. The support ring 15 and the moving cylinder 4 have the same center. A moving ring 17 parallel to the support ring 15 is arranged below the support ring 15. The moving ring 17 is sleeved on the outside of the moving cylinder 4. A cleaning member that scrapes against the filter screen 10 is connected to the inner wall of the moving ring 17. The cleaning member is selected from but not limited to a sponge. The side of the support ring 15 close to the moving ring 17 is used to connect with a plurality of circumferentially distributed guide rods 16. The guide rods 16 pass through the through holes provided on the moving ring 17. The elastic member 18 is sleeved on the outside of the guide rod 16. Both ends of the elastic member 18 are connected to the support ring 15 and the guide rod 16. The elastic member 18 is selected from a spring.

[0031] In summary, in the utility model, when the shock absorber is working, the movement of the vehicle will cause dust and mud to adhere to the surfaces of the fixed cylinder 3 and the movable cylinder 4. The fixed cylinder 3 and the movable cylinder 4 prevent the mud and sand from directly contacting the shock absorber body 1 to extend the service life of the shock absorber body 1. When the shock absorber body 1 is working, it will extend and retract, and the extension and retraction will drive the fixed seat 2 to move. The fixed seat 2 on the top of the shock absorber body 1 moves downward to drive the movable cylinder 4, the cleaning ring 6 and the movable ring 17 to move downward. The cleaning ring 6 cleans the dust adhered to the outer wall of the fixed cylinder 4 and the surface of the air outlet pipe 9, and the movable ring 17 contacts with the push block 14 when it moves downward, and the push block 14 pushes the movable ring 17 along The guide rod 16 moves linearly to compress the length of the elastic member 18. When the moving ring 17 moves, the cleaning member connected to its inner wall scrapes against the filter screen 10 on the air inlet pipe 8. The dust and mud remaining on the filter screen 10 are removed to prevent smooth air intake. When the moving cylinder 4 moves downward, the airbag 7 is compressed, and the gas in the airbag 7 is discharged into the isolation component through the outlet pipe 9. The air in the isolation component is discharged to the external environment through the outlet. When the moving cylinder 4 moves upward, the airbag 7 is stretched, and the suction force generated by the negative pressure attracts the air into the airbag 7. When the moving cylinder 4 moves downward next time, the airbag 7 discharges it again. This cycle is repeated to reduce the temperature of the shock absorber body 1.

[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A closed dustproof automobile shock absorber, characterized in that: include A shock absorber body (1), both ends of which are connected to fixing seats (2); A protective component is connected to a fixing seat (2), the protective component comprising an isolation component, a heat dissipation component and a cleaning component. The isolation component is sleeved on the outside of the shock absorber body (1), and the isolation component is connected to the two fixing seats (2); the isolation component is of split design, and can move in opposite directions with the expansion and contraction of the shock absorber body (1) when in use; the heat dissipation component is connected to the shock absorber body (1); the heat dissipation component moves with the movement of the protective component to accelerate air flow; the cleaning component is connected to the fixing seat (2); and the cleaning component and the isolation component scrape each other to clean the surface when in use.

2. A closed dustproof automobile shock absorber according to claim 1, characterized in that: Protection components include A fixing cylinder (3) is sleeved on the outside of the shock absorber body (1), and the fixing cylinder (3) is connected to the fixing seat (2); The movable cylinder (4) is sleeved on the outside of the shock absorber body (1); the outside of the movable cylinder (4) is used to sleeve the fixed cylinder (3); and the movable rod is connected to the fixed seat (2).

3. A closed dustproof automobile shock absorber according to claim 2, characterized in that: The inner wall of the moving cylinder (4) is connected with a partition plate (5), and the partition plate (5) is sleeved on the outer side of the shock absorber body (1).

4. A closed dustproof automobile shock absorber according to claim 2, characterized in that: The inner wall of the moving cylinder (4) is connected with a cleaning ring (6), and the cleaning ring (6) is sleeved on the outer side of the fixed ring (12).

5. A closed dustproof automobile shock absorber according to claim 2, characterized in that: Heat dissipation components include An airbag (7) is connected to the fixing seat (2), a side wall of the airbag (7) is connected to a plurality of evenly distributed air inlet pipes (8), the air inlet pipes (8) are connected to a through hole provided on the outer wall of the moving cylinder (4), and a side of the airbag (7) away from the air inlet pipe (8) is connected to a plurality of evenly distributed air outlet pipes (9); Filters (10), the number of which corresponds to the number of air inlet pipes (8), and the filters (10) are connected to the air inlet pipes (8); The extrusion ring (11) is connected to one end of the fixing tube (3), and the extrusion ring (11) is connected to one end of the air bag (7).

6. A closed dustproof automobile shock absorber according to claim 2, characterized in that: Cleaning kit includes A fixing ring (12) is sleeved on the outside of the fixing tube (3), and the fixing ring (12) is connected to the fixing tube (3); A plurality of support rods (13) are distributed around the circumference, and one end of the support rod (13) is connected to the fixing ring (12); Push blocks (14), the number of which corresponds to the support rod (13), and the push blocks (14) are connected to one end of the support rod (13); The follower assembly is connected to the moving cylinder (4). When in use, the follower assembly is pushed by the support rod (13) to move linearly along the central axis of the shock absorber body (1).

7. A closed dustproof automobile shock absorber according to claim 2, characterized in that: Follow-up components include A support ring (15) is sleeved on the outside of the moving cylinder (4), and the support ring (15) is connected to the outer wall of the moving cylinder (4); A plurality of guide rods (16) are distributed around the circumference, and one end of the guide rod (16) is connected to the support ring (15); A moving ring (17) is arranged parallel to the supporting ring (15) in front and back, the moving ring (17) is sleeved on the outside of the moving cylinder (4), and a plurality of through holes for sliding connection with the guide rod (16) are provided on the moving ring (17); The number of the elastic members (18) corresponds to that of the guide rods (16), and the two ends of the elastic members (18) are respectively connected to the moving ring (17) and the supporting ring (15).

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