CN214788751U - Compression valve, shock absorber, vehicle suspension system and vehicle - Google Patents

Compression valve, shock absorber, vehicle suspension system and vehicle Download PDF

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Publication number
CN214788751U
CN214788751U CN202022995435.8U CN202022995435U CN214788751U CN 214788751 U CN214788751 U CN 214788751U CN 202022995435 U CN202022995435 U CN 202022995435U CN 214788751 U CN214788751 U CN 214788751U
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China
Prior art keywords
compression valve
buffer
valve body
shock absorber
vehicle
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CN202022995435.8U
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Inventor
方丽雅
张英富
徐波
刘跃鹏
王金珠
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

The utility model provides a compression valve, shock absorber, vehicle suspension system and vehicle is applied to the shock absorber, include: a buffer member and a compression valve body; the buffer piece is arranged on the compression valve body and connected with the compression valve body through a fastener, and the buffer piece is used for buffering the impact on the compression valve body. Therefore, the compression valve body can be prevented from being damaged due to the fact that the compression valve body bears overlarge impact, and the integrity of the compression valve body is protected, so that the driving smoothness of a vehicle is improved, and the riding comfort is improved.

Description

Compression valve, shock absorber, vehicle suspension system and vehicle
Technical Field
The utility model relates to a shock absorber technical field, in particular to compression valve, shock absorber, vehicle suspension system and vehicle.
Background
In the prior art, because the elastic element vibrates under impact in the vehicle suspension system, in order to improve the ride comfort of the vehicle, a shock absorber is arranged in the suspension system and connected with the elastic element in parallel.
When the vehicle frame (vehicle body) and the axle are close to each other, the elastic element plays a role of mainly mitigating the impact, however, if the elastic element is damaged, since the damping force of the shock absorber is small, the compression valve in the shock absorber is damaged by the excessive impact, thereby affecting the ride comfort of the vehicle and the riding comfort.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a compression valve, shock absorber, vehicle suspension system and vehicle to solve among the prior art if the elastic element takes place to damage, because the damping force of shock absorber is less, the shock absorber can take place to damage because of bearing too big impact, thereby influences the ride comfort that the vehicle went to and, the travelling comfort's of taking problem.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides a compression valve for a shock absorber, including: a buffer member and a compression valve body;
the buffer piece is arranged on the compression valve body and connected with the compression valve body through a fastener, and the buffer piece is used for buffering the impact on the compression valve body.
Further, the buffer member is an elastic buffer member.
Further, the elastic buffer member is at least one of a polyurethane buffer member, a rubber buffer member and a spring.
Further, the shape of the buffer member is at least one of a cylinder, a cuboid and a cube.
Further, the buffer piece is riveted with the compression valve body through a rivet.
Furthermore, the compression valve body comprises a limit washer, a limit adjusting sheet, a bottom valve throttling sheet, a valve seat, a bottom valve liquid passing sheet, an adjusting washer, a spring gasket and a throttling gasket which are sequentially sleeved outside the rivet rod of the rivet;
the shock absorber is characterized in that a mounting hole is formed in the buffer piece, the mounting hole is sleeved outside the rivet rod of the rivet and located on the throttling gasket, and the rivet rod of the rivet is riveted with the head of the rivet.
Further, the buffer comprises a first buffer part and a second buffer part;
the first buffering part is far away from the bottom of a cylinder barrel of the shock absorber, the second buffering part is close to the bottom of the cylinder barrel, and the first buffering part is larger than the second buffering part;
the throttle gasket is provided with a plurality of throttle holes, and the second buffer part does not cover the throttle holes.
Compared with the prior art, the compression valve has the following advantages:
the embodiment of the utility model provides an in, the compression valve includes bolster and compression valve body, and the bolster sets up on the compression valve body, and through fastener and this body coupling of compression valve, the bolster can cushion the impact that the compression valve body received. Therefore, the compression valve body can be prevented from being damaged due to the fact that the compression valve body bears overlarge impact, and the integrity of the compression valve body is protected, so that the driving smoothness of a vehicle is improved, and the riding comfort is improved.
On the other hand, the embodiment of the utility model provides a shock absorber, including cylinder and foretell compression valve;
the compression valve is arranged at the bottom of the inner cavity of the cylinder barrel;
a first gap is formed between the first buffering part of the compression valve and the inner cavity wall of the cylinder barrel, a second gap is formed between the second buffering part of the compression valve and the inner cavity wall of the cylinder barrel, and the first gap is smaller than the second gap.
The advantages of the shock absorber are the same as those of the compression valve described above with respect to the prior art and are not described in detail here.
In one aspect, embodiments of the present invention provide a vehicle suspension system including the shock absorber described above.
The vehicle suspension system has the same advantages of the shock absorber over the prior art, and the details are not repeated herein.
In another aspect, an embodiment of the present invention provides a vehicle, including the above vehicle suspension system.
The vehicle and the vehicle suspension system have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded schematic view of a compression valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the compression valve installed in the cylinder of the shock absorber according to the embodiment of the present invention.
Description of reference numerals:
10-buffer piece, 11-first buffer part, 12-second buffer part, 13-mounting hole, 20-compression valve body, 21-throttling gasket, 22-spring gasket, 23-adjusting gasket, 24-bottom valve liquid through sheet, 25-valve seat, 26-bottom valve throttling sheet, 27-bottom valve regulating sheet, 28-limit regulating sheet, 29-limit gasket, 30-fastener (opposite inserting rivet), 31-nail rod, 32-head and 40-cylinder barrel.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In practical application, because elastic element receives the impact to produce the vibration among the vehicle suspension system, for the ride comfort that improves the car and travel, install the shock absorber with elastic element parallel in the vehicle suspension system, for damping vibration, the shock absorber that adopts among the vehicle suspension system is hydraulic shock absorber mostly, and its theory of operation is: when the relative motion occurs due to vibration between the vehicle frame (or vehicle body) and the vehicle axle, the piston in the shock absorber moves up and down, oil in the shell of the shock absorber repeatedly flows into the other inner cavity (recovery valve) from one inner cavity (compression valve) through narrow holes, at the moment, the friction between the hole wall and the oil and the internal friction between oil molecules form damping force on the vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into oil heat energy, then the oil and the shell of the shock absorber are absorbed and then emitted into the atmosphere, and therefore the driving smoothness of the vehicle is improved, and the comfort of the vehicle is improved.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment of the utility model provides a compression valve is applied to the shock absorber, a serial communication port, include: a buffer member and a compression valve body; the buffer piece is arranged on the compression valve body and connected with the compression valve body through a fastener, and the buffer piece is used for buffering the impact on the compression valve body.
The embodiment of the utility model provides an in, the compression valve includes bolster and compression valve body, and the bolster sets up on the compression valve body, and through fastener and this body coupling of compression valve, the bolster can cushion the impact that the compression valve body received, consequently, has avoided this realization of compression valve to take place to damage because of bearing too big impact, has protected the complete of compression valve body to the ride comfort that the vehicle went has been improved, and the travelling comfort of taking.
Specifically, referring to fig. 1, fig. 1 shows an explosion structure diagram of a compression valve according to an embodiment of the present invention, the compression valve of this embodiment includes a buffer 10 and a compression valve body 20, the buffer 10 is disposed on the compression valve body 20, the buffer 10 is fastened to the compression valve body 20 by a fastener 30, the compression valve can be applied to a shock absorber, the shock absorber is mounted in a vehicle suspension system, in practical application, during a compression stroke (a vehicle frame and an axle are close to each other), due to a smaller damping force of the shock absorber, an elastic element is generally connected in parallel outside the shock absorber to mitigate shock, however, if the elastic element is damaged or is not reasonably mounted, due to the fact that the buffer 10 is disposed on the compression valve body 20, the buffer 10 can buffer the shock received by the compression valve body 20 and also can play a role of limiting, therefore, compared with the prior art, the compression valve of the embodiment can avoid damage caused by bearing overlarge impact, and the integrity of the compression valve body is protected, so that the running smoothness of a vehicle is improved, and the riding comfort is improved.
Specifically, when the shock absorber is in a stretching stroke (the vehicle frame and the vehicle axle are far away from each other), the elastic element mainly plays roles of buffering impact and limiting, and the buffer 10 of the embodiment does not play a role; generally, when the shock absorber reaches the limit compression working condition and the elastic element cannot completely play a limiting role, the buffer part 10 starts to play roles of buffering impact and limiting, so that the compression valve body is protected, the integrity of the shock absorber is protected, the running smoothness of a vehicle is improved, and the riding comfort is improved.
In the embodiment of the present invention, the buffer member 10 is an elastic buffer member.
Specifically, the cushion member 10 of the present embodiment is a cushion member 10 having elasticity in order to cushion the cushion member 10 against the impact applied to the compression valve body 20.
Further, the elastic buffer 10 is at least one of a urethane buffer, a rubber buffer, and a spring.
Specifically, the buffer member 10 of the present embodiment is preferably a buffer member 10 made of polyurethane, because polyurethane has advantages of excellent non-linear characteristics, small mass, high strength, good shock absorption performance, and the like. Of course, the buffer member 10 may be made of other materials with buffering performance (for example, rubber such as nitrile rubber and polysulfide rubber), or may be a spring, and the buffer member 10 in this embodiment may not be limited, and may be specifically set according to actual requirements.
In the embodiment of the present invention, the shape of the buffer member 10 is at least one of a cylinder, a rectangular parallelepiped, and a cube.
Specifically, the cushion member 10 may have a shape of a cylinder, a rectangular parallelepiped, a square, or the like, the specific shape of the cushion member 10 in this embodiment is not limited, and in order to achieve the best cushioning effect of the cushion member 10, the specific shape of the cushion member 10 should be adapted to the shape of the cylinder 40 of the shock absorber, for example, the cylinder 40 is a cylinder, and the cushion member 10 is also a cylinder.
In the embodiment of the present invention, the buffer member 10 is riveted to the compression valve body 20 by the rivet 30.
Particularly, because riveted pretightning force is stable, and the uniformity is good, and the damping force that the compression valve produced is stable, consequently, the bolster 10 of this embodiment rivets through rivet 30 and compression valve body 20, like this, can reduce the fluctuation range of damping force, improves the qualification rate of product greatly, avoids the decay of compression force, further improves the life of shock absorber.
In practical application, the rivet 30 includes a nail rod 31 and a head 32, and after the compression valve body 20 and the buffer element 10 are sequentially arranged outside the nail rod 31 in a penetrating manner, the rivet is placed on a special tool, and the head 32 is riveted on the nail rod 31, so that the buffer element 10 and the compression valve body 20 can be fastened and connected. Preferably, the rivet 30 of this embodiment can be selected for use and inserted the rivet, as shown in fig. 1, and the rivet 30 of inserting is divided into two cap rod bodies, and the diameter of two cap rod bodies is different, and after the compression valve body 20 and the buffer 10 were worn to locate in proper order on the great body of rod 31 of diameter, the less body of rod 32 of diameter was pegged graft behind the great body of rod 31 of diameter, can accomplish the riveting. Of course, the specific type of the rivet in this embodiment may not be limited, and the type of the rivet may be selected according to actual requirements.
It should be noted that the buffer member 10 and the compression valve body 20 may be fastened and connected by other fastening members 30 (for example, bolts), and the specific type of the fastening member 30 may not be limited in this embodiment.
In the embodiment of the present invention, the compression valve body 20 includes a limit washer 29, a limit adjusting piece 28, a bottom valve adjusting piece 27, a bottom valve throttling piece 26, a valve seat 25, a bottom valve liquid passing piece 24, an adjusting washer 23, a spring washer 22 and a throttling washer 21, which are sequentially sleeved outside a rivet rod 31 of the rivet; the buffer 10 is provided with a mounting hole 13, and the mounting hole 13 is sleeved outside the rivet rod 31 of the rivet and is positioned on the throttling gasket 21; the shank 31 of the rivet is riveted to the head 32 of the rivet.
Specifically, as shown in fig. 1, the buffer 10 is provided with a mounting hole 13, a limit washer 29, a limit adjusting sheet 28, a bottom valve adjusting sheet 27, a bottom valve throttling sheet 26, a valve seat 25, a bottom valve liquid passing sheet 24, an adjusting washer 23, a spring washer 22, a throttling washer 21 and the buffer 10, which are sequentially sleeved on the outer circumferential surface of a nail rod (preferably, a cap rod body with a larger diameter) 31 and riveted with a head portion (preferably, a cap rod body with a smaller diameter) 32 of a rivet, so that the buffer 10 and the compression valve body 20 can be fastened and connected.
In the embodiment of the present invention, referring to fig. 2, fig. 2 shows a schematic structural view of a compression valve according to an embodiment of the present invention installed in a shock absorber cylinder 40, and a buffer 10 includes a first buffer portion 11 and a second buffer portion 12; the first buffer part 11 is far away from the bottom of the cylinder barrel 40, the second buffer part 12 is close to the bottom of the cylinder barrel 40, and the first buffer part 11 is larger than the second buffer part 12; the orifice gasket 21 is provided with a plurality of orifices, and the second buffer portion 12 does not cover the orifices.
In practical application, the shock absorber includes a cylinder 40, the compression valve body 20 is disposed at the bottom of the cylinder 40, in order to make the shock absorber 10 have a better buffering effect and not affect the operation of the throttle gasket 21, the shock absorber 10 of the present embodiment includes a first buffering portion 11 and a second buffering portion 12, the first buffering portion 11 is far away from the bottom of the cylinder 40, the second buffering portion 11 is close to the bottom of the cylinder 40, the first buffering portion 11 is larger than the second buffering portion 12, taking the cylinder 40 shown in fig. 2 as a cylinder and the shock absorber 10 as a cylinder as an example, that is, the diameter of the first buffering portion 11 is larger than the diameter of the second buffering portion 12.
Specifically, the throttle washer 21 is provided with a plurality of orifices for the circulation of oil, the throttle washer 21 is circular, the orifices are circumferentially spaced, and the second buffer portion 12 may be a cylinder with a small diameter (the diameter is smaller than the outer diameter of the orifice in the circumferential direction).
To sum up, the utility model discloses compression valve has following advantage:
the embodiment of the utility model provides a compression valve can be applied to the shock absorber, and compression valve includes bolster and compression valve body, and the bolster sets up on the compression valve body, and through fastener and this body coupling of compression valve, the impact that the bolster can cushion the compression valve body and receive. Therefore, the compression valve can be prevented from being damaged due to the fact that the compression valve bears overlarge impact, and the integrity of the compression valve body is protected, so that the driving smoothness of a vehicle is improved, and the riding comfort is improved.
The embodiment of the utility model also provides a shock absorber, as shown in fig. 2, including cylinder 40 and the above-mentioned compression valve, the compression valve is arranged at the bottom of the inner chamber of cylinder 40;
a first gap exists between the first buffer part 11 of the compression valve and the inner cavity wall of the cylinder barrel 40, a second gap exists between the second buffer part 12 of the compression valve and the inner cavity wall of the cylinder barrel 40, and the first gap is smaller than the second gap.
Specifically, as shown in fig. 1, in the compression valve, in order to make the buffer member 10 have a better buffering function and not affect the operation of the throttle washer 21, the buffer member 10 includes a first buffer portion 11 and a second buffer portion 12, the first buffer portion 11 is far away from the bottom of the cylinder 40, the second buffer portion 11 is close to the bottom of the cylinder 40, taking the cylinder 40 shown in fig. 2 as a cylinder and the buffer member 10 as a cylinder as an example, the diameter of the first buffer portion 11 is larger than that of the second buffer portion 12, that is, the gap between the first buffer portion 11 and the inner cavity wall of the cylinder 40 is smaller than the second gap between the second buffer portion 12 and the inner cavity wall of the cylinder 40, and the first gap and the second gap are provided to facilitate the circulation of the oil in the cylinder.
Other specific structural forms and working principles of the compression valve have been described in detail in the foregoing embodiments, and are not described herein again.
In the embodiment of the utility model provides an in, the shock absorber includes cylinder 40 and compression valve, compares with prior art's compression valve, and this embodiment has increased bolster 10 on current compression valve, consequently, when being close to each other between frame (or automobile body) and axle, if the outer elastic element of compression valve takes place to damage or the installation is unreasonable, the bolster 10 of this embodiment can bear too big impact to the integrity of protection compression valve body, thereby improve the ride comfort that the vehicle went, and, the travelling comfort of taking.
The embodiment of the utility model provides a vehicle suspension system is still provided, including above-mentioned shock absorber.
Specifically, in a vehicle suspension system, in addition to a shock absorber, an elastic element is included in parallel with the shock absorber.
The specific structural form and the working principle of the compression valve have been described in detail in the foregoing embodiments, and are not described herein again.
The embodiment of the utility model provides a vehicle suspension system, when being close to each other between frame (or automobile body) and axle, because be provided with the bolster on the compression valve body in this vehicle suspension system's the shock absorber, the bolster can be used for buffering the impact that the compression valve body received, therefore, if the outer elastic element of compression valve takes place to damage or the installation is unreasonable, the bolster of this embodiment can bear too big impact, in order to protect the completion of compression valve body, thereby improve the ride comfort that the vehicle travel, and, the travelling comfort of taking.
The embodiment of the utility model provides a still provide a vehicle, the vehicle can include: the vehicle suspension system is described above.
The specific structural form and the working principle of the vehicle suspension system have been described in detail in the foregoing embodiments, and are not described herein again.
The embodiment of the utility model provides a vehicle, when being close to each other between frame (or automobile body) and axle, because be provided with the bolster on the compression valve body of the shock absorber of this vehicle, the bolster can be used for buffering the impact that the compression valve body received, consequently, if the outer elastic element of compression valve takes place to damage or the installation is unreasonable, the bolster of this embodiment can bear too big impact to the completion of protection compression valve body, thereby improve the ride comfort that the vehicle went, and, the travelling comfort of taking.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A compression valve, comprising: a buffer (10) and a compression valve body (20);
the buffer piece (10) is arranged on the compression valve body (20) and is connected with the compression valve body (20) through a fastener (30).
2. A compression valve according to claim 1, wherein the cushion (10) is an elastomeric cushion.
3. The compression valve according to claim 1, wherein the buffer (10) is riveted to the compression valve body (20) by rivets.
4. The compression valve as claimed in claim 3, wherein the compression valve body (20) comprises a limit washer (29), a limit adjusting sheet (28), a bottom valve adjusting sheet (27), a bottom valve throttling sheet (26), a valve seat (25), a bottom valve liquid passing sheet (24), an adjusting washer (23), a spring gasket (22) and a throttling gasket (21) which are sequentially sleeved outside a rivet rod (31) of the rivet;
be equipped with mounting hole (13) on bolster (10), mounting hole (13) cover is located outside the nail pole (31) of rivet, and be located on throttle gasket (21), the nail pole (31) of rivet with head (32) riveting of rivet.
5. A compression valve according to claim 4, wherein the buffer (10) comprises a first buffer (11) and a second buffer (12);
the first buffer part (11) is far away from the bottom of a cylinder (40) of the shock absorber, the second buffer part (12) is close to the bottom of the cylinder (40), and the first buffer part (11) is larger than the second buffer part (12);
the throttle washer (21) is provided with a plurality of throttle holes, and the second buffer part (12) does not cover the throttle holes.
6. A shock absorber, comprising a cylinder, characterized by further comprising: a compression valve as claimed in any one of claims 1 to 5;
the compression valve is arranged at the bottom of the inner cavity of the cylinder barrel (40);
a first gap is formed between the first buffer part (11) of the compression valve and the inner cavity wall of the cylinder barrel (40), a second gap is formed between the second buffer part (12) of the compression valve and the inner cavity wall of the cylinder barrel (40), and the first gap is smaller than the second gap.
7. A vehicle suspension system, comprising: the shock absorber of claim 6.
8. A vehicle, characterized by comprising: the vehicle suspension system of claim 7.
CN202022995435.8U 2020-12-14 2020-12-14 Compression valve, shock absorber, vehicle suspension system and vehicle Active CN214788751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022995435.8U CN214788751U (en) 2020-12-14 2020-12-14 Compression valve, shock absorber, vehicle suspension system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022995435.8U CN214788751U (en) 2020-12-14 2020-12-14 Compression valve, shock absorber, vehicle suspension system and vehicle

Publications (1)

Publication Number Publication Date
CN214788751U true CN214788751U (en) 2021-11-19

Family

ID=78711083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022995435.8U Active CN214788751U (en) 2020-12-14 2020-12-14 Compression valve, shock absorber, vehicle suspension system and vehicle

Country Status (1)

Country Link
CN (1) CN214788751U (en)

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