Shock absorber with self-adaptive heat dissipation function

Abstract

The utility model discloses a shock absorber with a self-adaptive heat dissipation function, and relates to the technical field of shock absorbers, the shock absorber comprises an upper shell and a lower shell, a hydraulic cylinder is arranged on the side face of the lower shell, a plurality of sliding grooves are formed in the outer surface of the upper shell in a penetrating mode, and the sliding grooves are circumferentially distributed about the center line of the upper shell; a sliding plate is fixedly installed on the inner wall, corresponding to the sliding grooves, of the lower shell, and a connecting groove is formed in the inner wall, corresponding to one sliding groove, of the hydraulic cylinder. The fan blades are arranged and rotate along with shock absorption work, air circulation of the cooling fins on the hydraulic cylinder is accelerated, the good ventilation condition is beneficial to acceleration of the air flowing speed of the surfaces of the cooling fins, and therefore the heat exchange efficiency is improved, a large amount of heat in the shock absorber is dissipated along with air flowing, and the service life of the shock absorber is prolonged. Therefore, abrasion and aging of internal elements of the shock absorber are slowed down, and the service life of the shock absorber is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a shock absorber with an adaptive heat dissipation function. Background Technique

[0002] A shock absorber is used to suppress the oscillation after the spring absorbs shock and the impact from the road surface. It is widely used in automobiles to accelerate the attenuation of the vibration of the frame and the body, so as to improve the ride comfort of the automobile. When passing through an uneven road surface, although the shock-absorbing spring can filter the road vibration, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jump.

[0003] For example, the automotive shock absorber disclosed in Chinese Patent (CN114483857A) includes a shock-absorbing piston rod. The bottom of the shock-absorbing piston rod is movably connected with a piston cylinder. A heat dissipation sleeve is fixedly installed outside the piston cylinder. Connecting mechanisms are fixedly installed at the top of the shock-absorbing piston rod and the bottom of the piston cylinder. A connecting ring is fixedly installed on the outer surface of the piston cylinder, and a plurality of threaded holes are formed in the outer surface of the piston cylinder; both the connecting ring and the threaded holes are fixedly connected to the heat dissipation sleeve. A connecting groove is formed in the middle of the connecting ring. A plurality of heat dissipation fins are fixedly connected to the outer surface of the heat dissipation sleeve, and a plurality of heat dissipation holes are formed inside the heat dissipation sleeve. A plurality of through holes are formed inside the heat dissipation sleeve, bolts are movably connected inside the through holes, and the bolts are movably connected to the piston cylinder outside. A spring is fixedly connected to the bottom of the piston rod, and the bottom end of the spring is fixedly connected to the piston cylinder. This invention has the advantages of good heat dissipation performance and convenient disassembly and assembly of the radiator, and solves the problem that the existing radiator is not convenient for disassembly and assembly.

[0004] The above patent uses heat dissipation fins to dissipate heat from the shock absorber. Due to the poor heat dissipation effect of the heat dissipation fins, as the driving time of the vehicle increases, the heat generated by friction inside the shock absorber accumulates continuously. The heat dissipation fins can only dissipate a small amount of heat, and a large amount of heat will accelerate the wear and aging of the internal components of the shock absorber and shorten its service life. Content of the Utility Model

[0005] In order to solve the above technical problems, a shock absorber with an adaptive heat dissipation function is provided, which solves the problem that a large amount of heat cannot be dissipated at present.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A shock absorber with an adaptive heat dissipation function, comprising an upper housing and a lower housing. A hydraulic cylinder is provided on the side of the lower housing. A plurality of sliding grooves are penetrated through the outer surface of the upper housing, and the plurality of sliding grooves are circumferentially distributed about the center line of the upper housing. A sliding plate is fixedly installed on the inner wall of the lower housing corresponding to the sliding groove. A connecting groove is opened on the inner wall of one of the sliding grooves corresponding to the hydraulic cylinder. A rack is fixedly installed on the side surface of the sliding plate corresponding to the connecting groove. A rotating groove is opened on the inner wall of the connecting groove corresponding to the rack. A rotating shaft is rotatably installed on the inner wall of the rotating groove. A gear corresponding to the rack is fixedly installed on the outer surface of the rotating shaft. The rotating shaft penetrates through the rotating groove and extends to the outside of the upper housing. A fan blade is fixedly installed at one end of the rotating shaft away from the upper housing. A through groove is opened on the outer surface of the lower housing corresponding to the rotating shaft.

[0008] Preferably, a plurality of heat dissipation fins are fixedly installed on the outer surface of the hydraulic cylinder corresponding to the fan blade, and the plurality of heat dissipation fins are linearly distributed along the axial direction of the hydraulic cylinder.

[0009] Preferably, a sleeve is provided inside the lower housing. The outer surface of the sleeve is fixedly connected to the lower housing. A first connecting plate is fixedly installed at one end of the sleeve away from the lower housing. A first threaded hole is penetrated through the inside of the first connecting plate. The sleeve and the hydraulic cylinder are communicated through a connecting pipe.

[0010] Preferably, a moving rod is provided inside the upper housing. The outer surface of the moving rod is fixedly connected to the upper housing. The moving rod is slidably connected to the sleeve. A second connecting plate is fixedly installed at one end of the moving rod away from the upper housing. A second threaded hole is penetrated through the inside of the second connecting plate.

[0011] Preferably, a spring is sleeved on the outer surface of the sleeve, and both ends of the spring are fixedly connected to the inner wall of the upper housing and the inner wall of the lower housing respectively.

[0012] Preferably, a protective sleeve is provided on the outer surface of the rotating shaft corresponding to the upper housing. The protective sleeve is fixedly connected to the upper housing, and reinforcing ribs are provided between the protective sleeve and the upper housing.

[0013] Preferably, a discharge pipe is fixedly installed on the bottom surface of the hydraulic cylinder corresponding to the connecting pipe.

[0014] Compared with the prior art, the advantages of the present utility model are as follows: By setting the fan blade, the fan blade rotates with the work of the shock absorption, accelerating the air circulation on the heat dissipation fins of the hydraulic cylinder. The good ventilation condition helps to accelerate the air flow speed on the surface of the heat dissipation fins, thereby improving the heat exchange efficiency, enabling a large amount of heat in the shock absorber to dissipate with the air flow, and then completing the heat dissipation of the shock absorber, thereby slowing down the wear and aging of the internal components of the shock absorber and extending its service life. Description of the Drawings

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

[0016] Figure 2 is an internal structural schematic diagram of the present utility model;

[0017] Figure 3 is Figure 2 a partial enlarged view of B in;

[0018] Figure 4 is an internal structural schematic diagram of the present utility model from another perspective;

[0019] Figure 5 is Figure 4 an internal structural schematic diagram of a partial enlarged view of C in;

[0020] Figure 6 is an internal structural schematic diagram of the present utility model from yet another perspective;

[0021] Figure 7 is Figure 6 an internal structural schematic diagram of a partial enlarged view of A in.

[0022] The reference numerals in the figure are: 1, upper housing; 2, lower housing; 3, hydraulic cylinder; 4, sliding groove; 5, sliding plate; 6, connecting groove; 7, rack; 8, rotating groove; 9, rotating shaft; 10, gear; 11, fan blade; 12, through groove; 13, heat sink; 14, sleeve; 15, first connecting plate; 16, first threaded hole; 17, moving rod; 18, second connecting plate; 19, second threaded hole; 20, spring; 21, protective sleeve; 22, reinforcing rib; 23, discharge pipe. Specific embodiments

[0023] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations.

[0024] Refer to Figures 1-7As shown in the figure, a shock absorber with an adaptive heat dissipation function includes an upper housing 1 and a lower housing 2. A hydraulic cylinder 3 is provided on the side of the lower housing 2 for storing hydraulic oil. A plurality of sliding grooves 4 are penetrated through the outer surface of the upper housing 1, and the plurality of sliding grooves 4 are circumferentially distributed about the center line of the upper housing 1. A sliding plate 5 is fixedly installed on the inner wall of the lower housing 2 corresponding to the sliding groove 4. The sliding plate 5 cooperates with the sliding groove 4 to limit the upper housing 1 and the lower housing 2, ensuring that the upper housing 1 and the lower housing 2 can slide smoothly. A connecting groove 6 is opened on the inner wall of one of the sliding grooves 4 corresponding to the hydraulic cylinder 3. A rack 7 is fixedly installed on the side of the sliding plate 5 corresponding to the connecting groove 6. A rotating groove 8 is opened on the inner wall of the connecting groove 6 corresponding to the rack 7. A rotating shaft 9 is rotatably installed on the inner wall of the rotating groove 8. A gear 10 corresponding to the rack 7 is fixedly installed on the outer surface of the rotating shaft 9. The rotating shaft 9 penetrates through the rotating groove 8 and extends to the outside of the upper housing 1. A fan blade 11 is fixedly installed at one end of the rotating shaft 9 away from the upper housing 1. A through groove 12 is opened on the outer surface of the lower housing 2 corresponding to the rotating shaft 9. When the device contracts and expands, the upper housing 1 is pushed downward along the axis of the lower housing 2. During the movement of the upper housing 1, the upper housing 1 drives the gear 10 on the rotating shaft 9 to move downward as a whole. The rack 7 and the rotating shaft 9 move relative to each other, causing the gear 10 to rotate under the push of the rack 7, and further causing the fan blade 11 on the rotating shaft 9 to rotate.

[0025] As Figures 1-7 shown, a plurality of heat sinks 13 are fixedly installed on the outer surface of the hydraulic cylinder 3 corresponding to the fan blade 11. The plurality of heat sinks 13 are linearly distributed along the axial direction of the hydraulic cylinder 3. The hydraulic oil in the hydraulic cylinder 3 transfers the temperature to the heat sinks 13. The rotating fan blade 11 accelerates the air flow around the heat sinks 13, thereby completing the cooling of the hydraulic oil in the hydraulic cylinder 3.

[0026] As Figure 6 shown, a sleeve 14 is provided inside the lower housing 2. The outer surface of the sleeve 14 is fixedly connected to the lower housing 2. A first connecting plate 15 is fixedly installed at one end of the sleeve 14 away from the lower housing 2. A first threaded hole 16 is penetrated through the inside of the first connecting plate 15. The sleeve 14 and the hydraulic cylinder 3 are communicated through a connecting pipe. The hydraulic oil in the hydraulic cylinder 3 enters the sleeve 14 through the connecting pipe.

[0027] As Figure 6 shown, a moving rod 17 is provided inside the upper housing 1. The outer surface of the moving rod 17 is fixedly connected to the upper housing 1. The moving rod 17 is slidably connected to the sleeve 14. A second connecting plate 18 is fixedly installed at one end of the moving rod 17 away from the upper housing 1. A second threaded hole 19 is penetrated through the inside of the second connecting plate 18. When the shock absorber functions, the second connecting plate 18 pushes the moving rod 17 to move along the axial direction of the sleeve 14.

[0028] As Figure 6As shown, a spring 20 is sleeved on the outer surface of the sleeve 14. The two ends of the spring 20 are fixedly connected to the inner walls of the upper housing 1 and the lower housing 2 respectively. The spring 20, the moving rod 17 and the sleeve 14 form the main body of the shock absorber. When the shock absorber functions, the moving rod 17 moves along the axial direction of the sleeve 14 while the spring 20 contracts, and the shock absorber completes the contraction. When the spring 20 resets, the hydraulic oil in the hydraulic cylinder 3 enters the sleeve 14.

[0029] As Figures 3-7 shown, a protective sleeve 21 is provided on the outer surface of the rotating shaft 9 corresponding to the upper housing 1. The protective sleeve 21 is fixedly connected to the upper housing 1. A reinforcing rib 22 is provided between the protective sleeve 21 and the upper housing 1. The protective sleeve 21 provides a physical barrier for the rotating shaft 9, effectively preventing damage to the rotating shaft 9 caused by external dust, impurities and possible impacts. During the long-term rotation of the rotating shaft 9, the protective sleeve 21 greatly reduces the wear caused by friction or collision, extending the service life of the rotating shaft 9. As a bridge connecting the protective sleeve 21 and the upper housing 1, the reinforcing rib 22 not only shares part of the force generated during the rotation of the rotating shaft 9, but also improves the connection strength between the upper housing 1 and the protective sleeve 21, ensuring that the protective sleeve 21 will not loosen or fall off under long-term use and vibration environment.

[0030] As Figure 1 shown, a discharge pipe 23 is fixedly installed on the bottom surface of the hydraulic cylinder 3 corresponding to the connecting pipe. The staff opens the sealing cover at the end of the discharge pipe 23, and the hydraulic oil in the hydraulic cylinder 3 leaves the equipment through the discharge pipe 23. Subsequently, new hydraulic oil is injected into the hydraulic cylinder 3 to complete the replacement of the hydraulic oil.

[0031] Working principle: When the shock absorber contracts, the first connecting plate 15 pushes the entire moving rod 17 to move, so that the moving rod 17 pushes the hydraulic oil in the sleeve 14 into the hydraulic cylinder 3. The moving rod 17 drives the upper housing 1 to move, and the upper housing 1 moves and the spring 20 contracts. The upper housing 1 drives the gear 10 on the rotating shaft 9 to move downward as a whole. The rack 7 pushes the gear 10 to rotate, and then the fan blade 11 on the rotating shaft 9 rotates. The rotating fan blade 11 accelerates the air flow around the heat sink 13, and then completes the cooling of the hydraulic oil in the hydraulic cylinder 3; when the shock absorber resets, the spring 20 resets and at the same time the rack 7 drives the gear 10 to reverse, and the hydraulic oil in the hydraulic cylinder 3 enters the sleeve 14.

[0032] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present utility model. Without departing from the spirit and scope of the present utility model, various changes and improvements will occur to the present utility model, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A shock absorber with an adaptive heat dissipation function, comprising an upper housing (1) and a lower housing (2), characterized in that: A hydraulic cylinder (3) is provided on the side of the lower housing (2). A plurality of sliding grooves (4) are penetratingly formed on the outer surface of the upper housing (1). The plurality of sliding grooves (4) are circumferentially distributed about the center line of the upper housing (1). A sliding plate (5) is fixedly installed on the inner wall of the lower housing (2) corresponding to the sliding groove (4). A connecting groove (6) is formed on the inner wall of one of the sliding grooves (4) corresponding to the hydraulic cylinder (3). A rack (7) is fixedly installed on the side surface of the sliding plate (5) corresponding to the connecting groove (6). A rotating groove (8) is formed on the inner wall of the connecting groove (6) corresponding to the rack (7). A rotating shaft (9) is rotatably installed on the inner wall of the rotating groove (8). A gear (10) corresponding to the rack (7) is fixedly installed on the outer surface of the rotating shaft (9). The rotating shaft (9) penetrates through the rotating groove (8) and extends to the outside of the upper housing (1). A fan blade (11) is fixedly installed at one end of the rotating shaft (9) away from the upper housing (1). A through groove (12) is formed on the outer surface of the lower housing (2) corresponding to the rotating shaft (9).

2. The shock absorber with an adaptive heat dissipation function according to claim 1, wherein: A plurality of heat dissipation fins (13) are fixedly installed on the outer surface of the hydraulic cylinder (3) corresponding to the fan blade (11). The plurality of heat dissipation fins (13) are linearly distributed along the axial direction of the hydraulic cylinder (3).

3. The shock absorber with an adaptive heat dissipation function according to claim 1, characterized in that: A sleeve (14) is provided inside the lower housing (2). The outer surface of the sleeve (14) is fixedly connected to the lower housing (2). A first connecting plate (15) is fixedly installed at one end of the sleeve (14) away from the lower housing (2). A first threaded hole (16) is penetratingly formed inside the first connecting plate (15). The sleeve (14) and the hydraulic cylinder (3) are communicated through a connecting pipe.

4. The shock absorber with an adaptive heat dissipation function according to claim 3, characterized in that: A moving rod (17) is provided inside the upper housing (1). The outer surface of the moving rod (17) is fixedly connected to the upper housing (1). The moving rod (17) is slidably connected to the sleeve (14). A second connecting plate (18) is fixedly installed at one end of the moving rod (17) away from the upper housing (1). A second threaded hole (19) is penetratingly formed inside the second connecting plate (18).

5. A shock absorber with an adaptive heat dissipation function according to claim 3, characterized in that: A spring (20) is sleeved on the outer surface of the sleeve (14). The two ends of the spring (20) are respectively fixedly connected to the inner wall of the upper housing (1) and the inner wall of the lower housing (2).

6. The shock absorber with an adaptive heat dissipation function according to claim 1, characterized in that: A protective sleeve (21) is provided on the outer surface of the rotating shaft (9) corresponding to the upper housing (1). The protective sleeve (21) is fixedly connected to the upper housing (1). Reinforcing ribs (22) are provided between the protective sleeve (21) and the upper housing (1).

7. A shock absorber with an adaptive heat dissipation function according to claim 2, characterized in that: A discharge pipe (23) is fixedly installed on the bottom surface of the hydraulic cylinder (3) corresponding to the connecting pipe.

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