Built-in buffer device of shock absorber

Abstract

The utility model discloses a built-in buffer device of a shock absorber, which relates to the technical field of shock absorbers and comprises a shock absorber body, the shock absorber body comprises a piston cylinder and a piston rod, and buffer components are arranged on the upper surfaces of the piston cylinder and a mounting base; the buffering assembly comprises a corrugated pipe air bag fixedly connected to the upper surface of the mounting base, and the top end of the corrugated pipe air bag is fixedly connected with a limiting movable ring. According to the shock absorber, the buffer assembly is arranged on the surface of the shock absorber body, the movable connecting rod and the limiting movable ring can be driven to move downwards in the downward stretching and retracting process of the piston rod of the shock absorber, then the corrugated pipe air bag is extruded, and then ventilation and air blowing are conducted on the surface of a piston cylinder through the exhaust pipes on the inner side of the corrugated pipe air bag; cooling and heat dissipation of the surface of the piston cylinder are achieved, heat is discharged to the outside through the air holes in the bottom of the mounting base, and the heat dissipation effect on the shock absorber is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber technical field especially relates to a shock absorber built -in buffer device. BACKGROUND

[0002] The shock absorber is the vulnerable spare part in the use process of the automobile, and the good or bad of the shock absorber will directly influence the stability of automobile driving and the service life of other machine parts, therefore the shock absorber should be kept in good working condition frequently.

[0003] In the prior art, the shock absorber generates a lot of heat due to the frequent friction of the piston inside the shock absorber during the long-time use of the vehicle or mechanical equipment, which leads to the overhigh surface temperature of the shock absorber, and if the shock absorber cannot be cooled in time, the service life of the shock absorber will be reduced, and the use effect of the shock absorber will be affected, therefore, the shock absorber built -in buffer device is provided, which realizes the heat dissipation and cooling of the shock absorber. UTILITY MODEL CONTENT

[0004] The utility model discloses a shock absorber built -in buffer device, in order to realize above -mentioned purpose, the utility model has adopted the following technical scheme:

[0005] A shock absorber built -in buffer device, including shock absorber body, the shock absorber body includes piston cylinder and piston rod, the piston cylinder, the upper surface of the mounting base is provided with buffer assembly;

[0006] The buffer assembly includes the bellows air bag fixedly connected on the upper surface of the mounting base, the top of the bellows air bag is fixedly connected with the limit movable ring, the inner side surface of the bellows air bag is fixedly embedded with a plurality of exhaust pipes, the top of the limit movable ring is fixedly connected with four movable connecting rods, the top of the piston rod is fixedly connected with four extension blocks, the top of the movable connecting rod is fixedly connected with the lower surface of the extension block, the top of the piston cylinder is fixedly connected with the annular fixed plate, and the surface of the movable connecting rod and the annular fixed plate is slidably connected.

[0007] In a preferred scheme, the surface of the annular fixed plate is provided with four sliding through holes, the size of the sliding through hole is matched with the movable connecting rod, and the movable connecting rod is slidably connected with the inner wall of the sliding through hole.

[0008] In a preferred scheme, the surface of the movable connecting rod is sleeved with the compression spring, the top of the compression spring is fixedly connected with the lower surface of the extension block, and the bottom of the compression spring is fixedly connected with the upper surface of the annular fixed plate.

[0009] In a preferred scheme, the surface of the piston rod is sleeved with a buffer spring, the bottom end of the buffer spring is fixedly connected with the top end of the piston cylinder, and the top end of the buffer spring is fixedly connected with the top of the piston rod.

[0010] In a preferred scheme, the outer surface of the bellows air bag is fixedly provided with two air inlet pipes, and the surface of the air inlet pipe is fixedly provided with a one-way air inlet valve.

[0011] In a preferred scheme, the bellows air bag is sleeved outside the piston cylinder, a plurality of exhaust pipes are uniformly distributed in a circular ring array around the piston cylinder, and the lower surface of the mounting base is provided with a plurality of air holes which are uniformly distributed in a circular array between the piston cylinder and the bellows air bag.

[0012] In a preferred scheme, the end of the exhaust pipe is rotatably connected with a one-way movable cover, the lower surface of the mounting base is fixedly connected with a mounting bottom ring, and the top end of the piston rod is fixedly connected with a mounting top ring.

[0013] In a preferred scheme, the size of the limiting movable ring matches the piston cylinder, and the limiting movable ring is sleeved outside the piston cylinder.

[0014] As can be seen from the above, the shock absorber built-in buffer device has the following technical effects.

[0015] Firstly, the buffer assembly is arranged on the surface of the shock absorber body, the movable connecting rod and the limiting movable ring are driven to move downward during the downward telescoping process of the piston rod of the shock absorber, the bellows air bag is pressed, the exhaust pipes on the inner side of the bellows air bag are used to ventilate and blow air to the surface of the piston cylinder, the surface of the piston cylinder is cooled and radiated, the air holes in the bottom of the mounting base are used to discharge heat to the outside, and the heat dissipation effect of the shock absorber is achieved.

[0016] Secondly, the compression spring is arranged on the surface of the movable connecting rod, the movable connecting rod is limited and supported by the compression spring, and the movable connecting rod is reset by the compression spring, so that the bellows air bag is restored to deformation during the resetting process of the movable connecting rod, the air inlet pipes on the surface of the bellows air bag are used to produce air intake of the bellows air bag, and the bellows air bag is continuously blown. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a shock absorber built-in buffer device's front view structure schematic diagram.

[0018] Figure 2 The utility model provides a shock absorber built-in buffer device's front view structure schematic diagram.

[0019] Figure 3 A shock absorber built-in buffer device's positive cut second visual angle structure schematic diagram is provided in the utility model.

[0020] Figure 4 For Figure 2 The enlarged structure schematic diagram of A in the middle.

[0021] Figure 5 For Figure 3 The enlarged structure schematic diagram of B in the middle.

[0022] In the drawings: 1, shock absorber body; 2, buffer assembly;

[0023] 101, piston cylinder; 102, piston rod; 103, mounting base; 104, extension block; 105, annular fixing plate; 106, buffer spring; 107, air hole; 108, mounting bottom ring; 109, mounting top ring;

[0024] 201, corrugated tube air bag; 202, limit movable ring; 203, exhaust pipe; 204, movable connecting rod; 205, compression spring; 206, air inlet pipe; 207, one-way air inlet valve; 208, one-way movable cover. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figure 1 And Figure 2 A shock absorber built-in buffer device, including shock absorber body 1, shock absorber body 1 includes piston cylinder 101 and piston rod 102, the lower surface of mounting base 103 is fixedly connected with mounting bottom ring 108, the top end of piston rod 102 is fixedly connected with mounting top ring 109, the bottom end of piston cylinder 101 is fixedly connected with mounting base 103, the upper surface of mounting base 103 is provided with buffer assembly 2.

[0027] It should be noted that the surface of piston rod 102 is provided with buffer spring 106, the bottom end of buffer spring 106 is fixedly connected with the top end of piston cylinder 101, and the top end of buffer spring 106 is fixedly connected with the top of piston rod 102.

[0028] By setting buffer spring 106, the impact force suffered by piston rod 102 when moving inside piston cylinder 101 can be buffered and supported by buffer spring 106, so that violent movement of piston rod 102 inside piston cylinder 101 when subjected to large vibration is avoided, which is beneficial to prolong the service life of piston rod 102.

[0029] Referring to Figure 3 and Figure 4 In a preferred embodiment, the buffer assembly 2 comprises a bellows air bag 201 fixedly connected to the upper surface of the mounting base 103, the top end of the bellows air bag 201 is fixedly connected to a limiting movable ring 202, the limiting movable ring 202 is matched in size with the piston cylinder 101, and the limiting movable ring 202 is slidingly sleeved on the outside of the piston cylinder 101.

[0030] The inner side surface of the bellows air bag 201 is fixedly embedded with a plurality of exhaust pipes 203, the end of the exhaust pipe 203 is rotatably connected with a one-way movable cover 208, by setting the one-way movable cover 208, when the bellows air bag 201 inhales, the one-way movable cover 208 can close the exhaust pipe 203, so as to facilitate inhalation, and when the bellows air bag 201 exhales, the airflow can push the one-way movable cover 208 outward, realizing the effect of one-way exhaust.

[0031] Referring to Figure 5 It should be noted that the outer side surface of the bellows air bag 201 is fixedly provided with two air inlet pipes 206, the surface of the air inlet pipe 206 is fixedly provided with a one-way air inlet valve 207, by setting the one-way air inlet valve 207, the effect of one-way air inlet of the air inlet pipe 206 can be realized, avoiding air leakage outward of the bellows air bag 201 when exhaling.

[0032] It should be further noted that the bellows air bag 201 is sleeved on the outside of the piston cylinder 101, the plurality of exhaust pipes 203 are evenly distributed in a circular ring array around the piston cylinder 101, the lower surface of the mounting base 103 is provided with a plurality of air holes 107, the plurality of air holes 107 are evenly distributed in a circular array between the piston cylinder 101 and the bellows air bag 201.

[0033] Through the above technical scheme, a cooling air duct can be formed between the piston cylinder 101 and the bellows air bag 201, which is conducive to accelerating the air circulation around the piston cylinder 101.

[0034] It is worth noting that by setting the buffer assembly 2 on the surface of the shock absorber body 1, the movable connecting rod 204 and the limiting movable ring 202 can be driven to move downward during the downward extension and retraction of the shock absorber piston rod 102, thereby extruding the bellows air bag 201, and then using the plurality of exhaust pipes 203 inside the bellows air bag 201 to ventilate and blow the surface of the piston cylinder 101, realizing the cooling and heat dissipation of the surface of the piston cylinder 101, and using the air holes 107 at the bottom of the mounting base 103 to discharge heat to the outside, realizing the heat dissipation effect of the shock absorber.

[0035] Referring to Figure 2 and Figure 3In a preferred embodiment, the top of the limiting movable ring 202 is fixedly connected with four movable connecting rods 204, the top end of the piston rod 102 is fixedly connected with four extension blocks 104, the top end of the movable connecting rod 204 is fixedly connected with the lower surface of the extension block 104, and the top of the piston cylinder 101 is fixedly connected with an annular fixed plate 105, and the movable connecting rod 204 is in sliding connection with the surface of the annular fixed plate 105.

[0036] It should be noted that the surface of the movable connecting rod 204 is sleeved with a compression spring 205, the top end of the compression spring 205 is fixedly connected with the lower surface of the extension block 104, and the bottom end of the compression spring 205 is fixedly connected with the upper surface of the annular fixed plate 105.

[0037] It should be further noted that the surface of the annular fixed plate 105 is provided with four sliding through holes, the size of the sliding through hole is matched with the movable connecting rod 204, and the movable connecting rod 204 is in sliding connection with the inner wall of the sliding through hole.

[0038] It is worth noting that by providing the compression spring 205 on the surface of the movable connecting rod 204, the compression spring 205 can be used to limit and support the movable connecting rod 204, and the elastic deformation of the compression spring 205 after compression can be used to reset the movable connecting rod 204, so that the movable connecting rod 204 drives the bellows air bag 201 to recover the deformation during the upward resetting process, so that the bellows air bag 201 is provided with an air inlet on the surface of the bellows air bag 201, and the bellows air bag 201 is further facilitated to continuously blow air.

[0039] Working principle: in use, first, the shock absorber is used in the process, the vibration of the automobile drives the piston rod 102 to move up and down in the piston cylinder 101, and then drives the piston rod 102 to move, drives the limiting movable ring 202 to move downward, and then extrudes the bellows air bag 201, and uses a plurality of exhaust pipes 203 on the inner side of the bellows air bag 201 to blow the gas in the bellows air bag 201 into the surface of the piston cylinder 101, and the air hole 107 at the bottom of the mounting base 103 can be used to exhaust the heat generated on the surface of the piston cylinder 101, so as to form air circulation around the piston cylinder 101, and accelerate the cold and hot air exchange speed around the piston cylinder 101, realize the cooling and heat dissipation of the piston cylinder 101, and improve the service life of the shock absorber.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A shock absorber built-in bumper device comprising a shock absorber body (1), characterized by, The shock absorber body (1) includes a piston cylinder (101) and a piston rod (102), the bottom end of the piston cylinder (101) is fixedly connected with a mounting base (103), and the upper surface of the mounting base (103) is provided with a buffer assembly (2); The buffer assembly (2) includes a bellows air bag (201) fixedly connected to the upper surface of the mounting base (103), the top end of the bellows air bag (201) is fixedly connected with a limiting movable ring (202), the inner side surface of the bellows air bag (201) is fixedly embedded with a plurality of exhaust pipes (203), the top of the limiting movable ring (202) is fixedly connected with four movable connecting rods (204), the top end of the piston rod (102) is fixedly connected with four extension blocks (104), the top end of the movable connecting rod (204) is fixedly connected with the lower surface of the extension block (104), and the top of the piston cylinder (101) is fixedly connected with an annular fixed plate (105).

2. A shock absorber built-in bumper device according to claim 1, wherein The surface of the annular fixed plate (105) is provided with four sliding through holes, the size of the sliding through hole is matched with the movable connecting rod (204), and the movable connecting rod (204) is slidably connected with the inner wall of the sliding through hole.

3. The built-in bumper device of a shock absorber according to claim 1, wherein The surface of the movable connecting rod (204) is sleeved with a compression spring (205), the top end of the compression spring (205) is fixedly connected with the lower surface of the extension block (104), and the bottom end of the compression spring (205) is fixedly connected with the upper surface of the annular fixed plate (105).

4. The built-in bumper device for shock absorber according to claim 1, wherein The surface of the piston rod (102) is sleeved with a buffer spring (106), the bottom end of the buffer spring (106) is fixedly connected with the top end of the piston cylinder (101), and the top end of the buffer spring (106) is fixedly connected with the top of the piston rod (102).

5. The built-in bumper of a shock absorber according to claim 1, wherein The outer side surface of the bellows air bag (201) is fixedly provided with two air inlet pipes (206), and the surface of the air inlet pipe (206) is fixedly provided with a one-way air inlet valve (207).

6. The built-in bumper of a shock absorber according to claim 1, wherein The bellows air bag (201) is sleeved outside the piston cylinder (101), a plurality of exhaust pipes (203) are uniformly distributed in a circular array around the piston cylinder (101), and the lower surface of the mounting base (103) is provided with a plurality of air holes (107) which are uniformly distributed in a circular array between the piston cylinder (101) and the bellows air bag (201).

7. The built-in bumper of a shock absorber according to claim 1, wherein The end of the exhaust pipe (203) is rotatably connected with a one-way movable cover (208), the lower surface of the mounting base (103) is fixedly connected with a mounting bottom ring (108), and the top end of the piston rod (102) is fixedly connected with a mounting top ring (109).

8. The built-in bumper of a shock absorber according to claim 1, wherein The size of the limiting movable ring (202) is matched with the piston cylinder (101), and the limiting movable ring (202) is slidably sleeved outside the piston cylinder (101).

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