Shock absorber with terminal sealing structure for automobile

Abstract

The utility model relates to the technical field of automobile accessories, and discloses a shock absorber of a terminal sealing structure for an automobile, which comprises a shock absorber main body, the top end of the shock absorber main body is fixedly connected with a second connecting part, and the bottom end of the shock absorber main body is fixedly connected with a first connecting part. The top end of the shock absorber body is sleeved with a protection assembly for improving the sealing performance of the structure. Through the arrangement of the first external sleeve shell, the second external sleeve shell, the fixing base, the built-in groove, the mounting bolt, the containing groove, the reinforcing inner layer and the sealing rubber ring, foreign objects are effectively prevented from invading or being interfered by the external environment, the sealing performance of the interior of the shock absorber body is kept, the sealing rubber ring can be detached and replaced subsequently, and the service life of the shock absorber is prolonged. The problems that after a sealing part is installed, the overall structure is fixed, the sealing part cannot be rapidly detached and replaced after being damaged, and the follow-up detection and maintenance cost is high are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a shock absorber with a terminal sealing structure for an automobile. Background Art

[0002] Automobile shock absorbers are important components in the automobile suspension system. They can absorb the impact force from the ground and transmit the vibration to the car body through the spring, thereby reducing the bumps of the vehicle and maintaining ride comfort. When the spring tries to rebound after absorbing the vibration, the hydraulic resistance is used to slow down the expansion and compression speed of the spring to prevent the car body from bouncing excessively and keep the vehicle stable. At the same time, they can absorb the energy of road impact, reduce the vibration of the car body, ensure that the wheels can touch the ground at any time, and enhance driving safety.

[0003] Sealing parts need to be installed inside the shock absorber to prevent external impurities, dust, moisture or other contaminants from entering the shock absorber and extend the service life of the shock absorber. However, currently the overall structure is fixed after the sealing parts are installed. When the sealing parts are damaged, they cannot be quickly removed and replaced, and the cost of subsequent inspection and maintenance is high. At the same time, there is no hidden space for the structure to facilitate the disassembly and assembly of the sealing parts. There is a certain abruptness after installation, so it needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a shock absorber with a terminal sealing structure for automobiles, so as to solve the problem proposed in the above-mentioned background technology that the overall structure is fixed after the sealing parts are installed, the sealing parts cannot be quickly disassembled and replaced when they are damaged, the cost of subsequent inspection and maintenance is high, and at the same time, no hidden space can be provided for the structure to facilitate the disassembly and assembly of the sealing parts, and there are certain abrupt problems after installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock absorber with a terminal sealing structure for automobiles, comprising a shock absorber body, the top end of the shock absorber body is fixedly connected with a second connecting part, the bottom end of the shock absorber body is fixedly connected with a first connecting part, and the outer sleeve of the top end of the shock absorber body is provided with a protective component for improving the sealing performance of the structure;

[0006] The protective component includes a first external shell, a second external shell, an upper connecting ring, a lower connecting ring, an internal groove, a fixing seat, a sealing rubber ring, a reinforcing inner layer, a mounting bolt and a placement groove. The outside of the top end of the shock absorber body is sequentially sleeved with the second external shell and the first external shell from top to bottom. The top end of the first external shell is fixedly connected with the lower connecting ring, and the bottom end of the second external shell is fixedly connected with the upper connecting ring. The interiors of the first external shell and the second external shell are vertically penetrated with a placement groove, the interior of the placement groove is penetrated with a sealing rubber ring, and the two sides of the sealing rubber ring are fixedly connected with a fixing seat.

[0007] Preferably, two sets of built-in grooves are provided at the top end of the first external shell and the bottom end of the second external shell, the fixing seat is snap-connected to the inside of the built-in grooves, a mounting bolt is penetrated inside the fixing seat, and the outer end of the mounting bolt penetrates the inside of the built-in grooves.

[0008] Preferably, the bottom of the upper connecting ring and the top of the lower connecting ring are fit together, the outer end of the placement groove is fixedly connected to a circle of reinforced inner layer, the external sleeve of the shock absorber body is provided with a buffer spring, the top end of the buffer spring is fit together with the bottom end of the outside of the first external sleeve shell, and the bottom end of the buffer spring is fit together with the top end of the first connecting part.

[0009] Preferably, two groups of support frames are fixedly connected to the bottom of the front end and the rear end of the lower connecting ring, a protective sleeve is transversely penetrated inside the support frame, and a movable cross bar is penetrated inside the protective sleeve.

[0010] Preferably, the outside of the movable cross bar is fixedly connected with two groups of rings, the top end of the ring is fixedly connected with a limiting socket, the rear end of the limiting socket is fixedly connected with two groups of mounting blocks, and the mounting blocks are snap-fitted and connected to the inside of the upper connecting ring and the lower connecting ring.

[0011] Preferably, a handle is fixedly connected to the center of the outer end of the limiting socket, and the support frame is symmetrically distributed about the vertical center line of the limiting socket.

[0012] Preferably, the outer side wall of the support frame is fixedly connected to a limiting circular plate, and both sides of the movable cross bar are movably connected to the side walls of the limiting circular plate.

[0013] Preferably, a noise reduction inner ring is fixedly connected to the inner side walls of the first external casing and the second external casing, and a protective layer is fitted on the inner walls of the first external casing and the second external casing.

[0014] Preferably, a sound-absorbing sponge is arranged inside the noise reduction inner ring.

[0015] Preferably, an adhesive outer layer is pasted between the noise reduction inner ring and the protective layer.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the shock absorber with the automobile terminal sealing structure not only realizes the strong sealing function and the convenient disassembly and assembly function, but also realizes the noise reduction and sound insulation function;

[0017] (1) The first external sleeve shell, the second external sleeve shell, the fixing seat, the built-in groove, the mounting bolts, the placement groove, the reinforced inner layer and the sealing rubber ring are provided, the fixing seat is snap-fitted and installed in the built-in groove, and the sealing rubber ring is installed in a close fit on the inner wall of the placement groove, so as to provide all-round sealing protection for the shock absorber body, effectively prevent foreign objects from intruding or being disturbed by the external environment, maintain the sealing inside the shock absorber body, and use the mounting bolts to rotate through the inside of the fixing seat to facilitate the installation and fixing of both sides of the sealing rubber ring, thereby optimizing the sealing structure and improving the flexibility of the structure, and the sealing rubber ring can be disassembled and replaced later;

[0018] (2) By providing a limited socket, a mounting block, a support frame, a movable cross bar, a limited circular plate and a collar, the upper connecting ring is fitted and connected with the lower connecting ring, the limited socket can be flipped upward by the movable cross bar, and quickly fixed by the mounting block, the upper connecting ring and the lower connecting ring are limited and fixed, the connection force between the first external sleeve shell and the second external sleeve shell is enhanced, and the opening and closing operation of the structure is convenient. The support frame is used to provide stability for both sides of the movable cross bar during rotation to prevent the movable cross bar from falling off, and the protective sleeve is used to reduce the wear of the inner wall of the support frame caused by the movable cross bar;

[0019] (3) By providing a noise reduction inner ring, a sound absorbing sponge, an adhesive outer layer and a protective layer, the noise reduction inner ring and the sound absorbing sponge cooperate with each other to effectively isolate the noise generated during the operation of the shock absorber body and prevent noise propagation. The protective layer provides strong protection for the inner wall of the noise reduction inner ring to prevent the noise reduction inner ring from reducing the noise reduction effect. The adhesive outer layer is used to strengthen the fixing force between the noise reduction inner ring and the protective layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the front cross-sectional structure of a shock absorber having a terminal sealing structure for an automobile in Example 1;

[0021] Figure 2 It is a schematic diagram of the top view of the placement groove in Example 1;

[0022] Figure 3 This is a schematic diagram of the front view structure of the first external casing in Example 1;

[0023] Figure 4 This is a schematic diagram of the front view structure of the limit socket in Example 1;

[0024] Figure 5 This is a front view structural diagram of the second external casing in Example 1;

[0025] Figure 6 This is a schematic diagram of the front cross-sectional structure of the noise reduction inner ring in Example 1.

[0026] In the figure: a first connecting part 1; a buffer spring 2; a shock absorber body 3; a first external casing 4; a second external casing 5; a second connecting part 6; an upper connecting ring 7; 8, a lower connecting ring 8; a limiting socket 9; a built-in groove 10; a fixing seat 11; a sealing rubber ring 12; a reinforced inner layer 13; a mounting bolt 14; a placement groove 15; a mounting block 16; a handle 17; a support frame 18; a movable cross bar 19; a collar 20; a protective sleeve 21; a limiting circular plate 22; a noise reduction inner ring 23; a sound-absorbing sponge 24; an adhesive outer layer 25; and a protective layer 26. 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] Embodiment 1:

[0029] See also Figure 1-4 The present embodiment discloses a shock absorber with a terminal sealing structure for automobiles, comprising a shock absorber body 3, a second connecting portion 6 is fixedly connected to the top of the shock absorber body 3, a first connecting portion 1 is fixedly connected to the bottom of the shock absorber body 3, and a protective component for improving the sealing performance of the structure is provided on the outer sleeve of the top of the shock absorber body 3;

[0030] The protection component includes a first external shell 4, a second external shell 5, an upper connecting ring 7, a lower connecting ring 8, a built-in groove 10, a fixing seat 11, a sealing rubber ring 12, a reinforcement inner layer 13, a mounting bolt 14 and a placement groove 15. The outer portion of the top of the shock absorber body 3 is sequentially sleeved with the second external shell 5 and the first external shell 4 from top to bottom. The top of the first external shell 4 is fixedly connected with the lower connecting ring 8, and the bottom of the second external shell 5 is fixedly connected with the upper connecting ring 7. The first external shell 4 and the second external shell 5 are vertically penetrated with a placement groove 15. The interior of the placement groove 15 is penetrated with a sealing rubber ring 12, and the two sides of the sealing rubber ring 12 are fixedly connected with the fixing seat 11;

[0031] Two sets of built-in grooves 10 are formed at the top of the first external casing 4 and the bottom of the second external casing 5. The fixing seat 11 is connected to the inside of the built-in grooves 10 by snapping. The inside of the fixing seat 11 is penetrated by a mounting bolt 14. The outer end of the mounting bolt 14 penetrates the inside of the built-in grooves 10.

[0032] The bottom of the upper connecting ring 7 and the top of the lower connecting ring 8 are fitted and connected, the outer end of the placement groove 15 is fixedly connected with a circle of reinforced inner layer 13, the outer sleeve of the shock absorber body 3 is provided with a buffer spring 2, the top of the buffer spring 2 is fitted with the bottom end of the outside of the first external sleeve shell 4, and the bottom end of the buffer spring 2 is fitted with the top of the first connecting part 1;

[0033] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, the sealing rubber ring 12 is fitted on the inner wall of the placement groove 15 until the fixing seat 11 is fixed in the built-in groove 10, and the mounting bolt 14 is rotated through the inside of the fixing seat 11 to provide fixity for both sides of the sealing rubber ring 12. When the sealing rubber ring 12 is damaged, it can be quickly disassembled and replaced;

[0034] Further, as a preferred embodiment, two groups of support frames 18 are fixedly connected to the bottom of the front end and the rear end of the lower connecting ring 8, a protective sleeve 21 is horizontally penetrated inside the support frame 18, a movable cross bar 19 is penetrated inside the protective sleeve 21, two groups of collars 20 are fixedly connected to the outside of the movable cross bar 19, the top of the collar 20 is fixedly connected to the limited socket 9, and the rear end of the limited socket 9 is fixedly connected to two groups of mounting blocks 16, and the mounting blocks 16 are snap-fitted and connected to the inside of the upper connecting ring 7 and the lower connecting ring 8;

[0035] A handle 17 is fixedly connected to the center of the outer end of the limit socket 9, and the support frame 18 is symmetrically distributed about the vertical center line of the limit socket 9;

[0036] The outer side wall of the support frame 18 is fixedly connected to the limiting circular plate 22, and both sides of the movable cross bar 19 are movably connected to the side walls of the limiting circular plate 22;

[0037] Further, as a preference, Figure 1 , Figure 4 and Figure 5 As shown, when in use, the first external sleeve shell 4 and the second external sleeve shell 5 are sequentially sleeved on the outside of the shock absorber body 3, and after the upper connecting ring 7 and the lower connecting ring 8 are fitted and connected, the limit socket 9 is flipped upward by the handle 17, and the limit socket 9 is sleeved on the outside of the upper connecting ring 7 and the lower connecting ring 8 until the mounting block 16 is engaged and fixed inside the upper connecting ring 7 and the lower connecting ring 8, thereby fixing the limit socket 9.

[0038] Further, as a preferred embodiment, the side walls of the first external casing 4 and the second external casing 5 are fixedly connected with a noise reduction inner ring 23, and the inner walls of the first external casing 4 and the second external casing 5 are fitted with a protective layer 26;

[0039] A sound-absorbing sponge 24 is arranged inside the noise reduction inner ring 23, and an adhesive outer layer 25 is pasted between the noise reduction inner ring 23 and the protective layer 26;

[0040] Specifically, Figure 1 and Figure 6 As shown, when in use, the noise reduction inner ring 23 and the sound absorbing sponge 24 cooperate with each other to effectively isolate the noise generated during the operation of the shock absorber body 3 and prevent noise propagation. The protective layer 26 provides strong protection for the inner wall of the noise reduction inner ring 23 to prevent the noise reduction inner ring 23 from reducing the noise reduction effect. The adhesive outer layer 25 is used to strengthen the fixing force between the noise reduction inner ring 23 and the protective layer 26.

[0041] Working principle: When in use, the sealing rubber ring 12 is fitted and installed on the inner wall of the placement groove 15 until the fixing seat 11 is engaged and fixed in the built-in groove 10, and the mounting bolt 14 is rotated through the interior of the fixing seat 11, and the first external sleeve 4 and the second external sleeve 5 are sequentially sleeved on the outside of the shock absorber body 3. After the upper connecting ring 7 and the lower connecting ring 8 are fitted and connected, the limit socket 9 is flipped upward by the handle 17, and the limit socket 9 is sleeved on the outside of the upper connecting ring 7 and the lower connecting ring 8 until the mounting block 16 is engaged and fixed on the inside of the upper connecting ring 7 and the lower connecting ring 8, fixing the first external sleeve 4 and the second external sleeve 5 together.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A shock absorber with a terminal sealing structure for an automobile, comprising a shock absorber body (3), characterized in that: The top end of the shock absorber body (3) is fixedly connected to a second connection part (6), the bottom end of the shock absorber body (3) is fixedly connected to a first connection part (1), the top end of the shock absorber body (3) is provided with a protective component for improving the sealing performance of the structure on the outer sleeve, the protective component comprises a first external sleeve shell (4), a second external sleeve shell (5), an upper connection ring (7), a lower connection ring (8), a built-in groove (10), a fixing seat (11), a sealing rubber ring (12), a reinforcement inner layer (13), a mounting bolt (14) and a placement groove (15), the shock absorber The top of the device body (3) is provided with a second external shell (5) and a first external shell (4) in sequence from top to bottom, the top of the first external shell (4) is fixedly connected with a lower connecting ring (8), the bottom of the second external shell (5) is fixedly connected with an upper connecting ring (7), the first external shell (4) and the second external shell (5) are provided with a placement groove (15) vertically penetrating the inside, a sealing rubber ring (12) is provided inside the placement groove (15), and the two sides of the sealing rubber ring (12) are fixedly connected with a fixing seat (11).

2. A shock absorber with a terminal sealing structure for an automobile according to claim 1, characterized in that: The top end of the first external casing (4) and the bottom end of the second external casing (5) are both provided with two sets of built-in grooves (10), the fixing seat (11) is snap-connected to the inside of the built-in grooves (10), and a mounting bolt (14) is provided through the inside of the fixing seat (11), and the outer end of the mounting bolt (14) passes through the inside of the built-in grooves (10).

3. The shock absorber with a terminal sealing structure for automobile according to claim 1, characterized in that: The bottom of the upper connecting ring (7) and the top of the lower connecting ring (8) are fitted together, the outer end of the placement groove (15) is fixedly connected to a circle of reinforcing inner layer (13), the outer sleeve of the shock absorber body (3) is provided with a buffer spring (2), the top end of the buffer spring (2) is fitted with the bottom end of the outside of the first external sleeve shell (4), and the bottom end of the buffer spring (2) is fitted with the top end of the first connecting part (1).

4. The shock absorber with a terminal sealing structure for automobile according to claim 1, characterized in that: The bottoms of the front and rear ends of the lower connecting ring (8) are fixedly connected to two groups of support frames (18), a protective sleeve (21) is transversely provided inside the support frame (18), and a movable cross bar (19) is provided inside the protective sleeve (21).

5. A shock absorber with a terminal sealing structure for automobile according to claim 4, characterized in that: The movable cross bar (19) is fixedly connected to two groups of collars (20) on the outside, the top of the collars (20) is fixedly connected to the limit socket (9), the rear end of the limit socket (9) is fixedly connected to two groups of mounting blocks (16), and the mounting blocks (16) are snap-fitted and connected to the inside of the upper connecting ring (7) and the lower connecting ring (8).

6. A shock absorber with a terminal sealing structure for automobile according to claim 5, characterized in that: A handle (17) is fixedly connected to the center of the outer end of the limiting socket (9), and the support frame (18) is symmetrically distributed about the vertical center line of the limiting socket (9).

7. A shock absorber with a terminal sealing structure for an automobile according to claim 4, characterized in that: The outer side wall of the support frame (18) is fixedly connected to a limiting circular plate (22), and the two sides of the movable cross bar (19) are movably connected to the side walls of the limiting circular plate (22).

8. The shock absorber with a terminal sealing structure for automobile according to claim 1, characterized in that: The side walls inside the first external casing (4) and the second external casing (5) are fixedly connected with a noise reduction inner ring (23), and the inner walls of the first external casing (4) and the second external casing (5) are fitted with a protective layer (26).

9. A shock absorber with a terminal sealing structure for automobile according to claim 8, characterized in that: A sound-absorbing sponge (24) is arranged inside the noise-reducing inner ring (23).

10. The shock absorber with a terminal sealing structure for automobile according to claim 8, characterized in that: An adhesive outer layer (25) is adhered between the noise reduction inner ring (23) and the protective layer (26).

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