CN219529679U - Valve seat of adjustable damping shock absorber and shock absorber using valve seat - Google Patents
Valve seat of adjustable damping shock absorber and shock absorber using valve seat Download PDFInfo
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- CN219529679U CN219529679U CN202321111589.3U CN202321111589U CN219529679U CN 219529679 U CN219529679 U CN 219529679U CN 202321111589 U CN202321111589 U CN 202321111589U CN 219529679 U CN219529679 U CN 219529679U
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- steel pipe
- valve seat
- seat body
- oil
- shock absorber
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Abstract
The utility model discloses an adjustable damping shock absorber valve seat and a shock absorber using the same, which comprise a valve seat body, wherein an oil inlet groove is formed in one side of the valve seat body, an oil outlet groove is formed in the other side of the valve seat body, a central opening penetrating through the oil inlet groove and the oil outlet groove is formed in the center of the valve seat body, a plurality of oil through holes are formed in the valve seat body in a penetrating mode around the periphery of the central opening, an outer assembly part for installing an outer steel pipe, a first inner assembly part for installing a first inner steel pipe and a second inner assembly part for installing a second inner steel pipe are sequentially formed in the periphery of the valve seat body, the outer assembly part, the first inner assembly part and the second inner assembly part are sequentially distributed in a step mode, and the diameters of the outer assembly part, the first inner assembly part and the second inner assembly part are gradually reduced. The utility model can adjust damping force to prevent pressure overload.
Description
Technical Field
The utility model relates to the technical field of shock absorber valve seats, in particular to an adjustable damping shock absorber valve seat and a shock absorber using the same.
Background
While the shock absorbing springs in the shock absorbing system can filter the vibration of the road surface when the car passes over the uneven road surface, the springs themselves can also reciprocate, and the shock absorbers are used for restraining the springs from jumping back and forth. The shock absorber is structured in such a way that a piston rod with a piston is inserted into a cylinder, which is filled with oil. The valve seat is one of important parts of the shock absorber, a piston in the shock absorber moves up and down, oil in the shock absorber flows into an oil storage cylinder of the shock absorber from a working cylinder of the shock absorber through an oil through hole in the valve seat of the shock absorber, at the moment, friction between a hole wall and the oil and internal friction between oil molecules form damping force on vibration, so that automobile vibration energy is converted into oil heat energy, and the oil is absorbed and emitted into the atmosphere by the shock absorber.
As disclosed in chinese patent (publication No. CN 210510092U), an advanced self-adaptive damper is disclosed, when the damper is compressed, a piston rod moves rightward to drive a recovery valve assembly to move rightward, an upper space of a working cylinder is enlarged, a lower space of the working cylinder is reduced, a part of oil in the lower part of the working cylinder enters the upper part of the working cylinder through the recovery valve assembly, and another part of oil in the lower part of the working cylinder enters a space between an oil storage cylinder assembly and the working cylinder through a compression valve seat assembly.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the valve seat of the adjustable damping shock absorber and the shock absorber using the valve seat can adjust damping force and prevent pressure overload.
In order to achieve the above object, the present utility model provides the following technical solutions.
The utility model provides an adjustable damping shock absorber disk seat, includes the disk seat body, one side of disk seat body is equipped with the oil inlet groove, and the opposite side of disk seat body is equipped with out the oil groove, the center department of disk seat body is equipped with the central mouth that link up oil inlet groove and oil outlet groove, the periphery of still surrounding the central mouth on the disk seat body is link up and is provided with a plurality of oil through holes, the periphery of disk seat body is formed with the outer assembly portion that is used for installing outer steel pipe, is used for installing first interior assembly portion of steel pipe and is used for installing second interior assembly portion of steel pipe in proper order, outer assembly portion, first interior assembly portion and second interior assembly portion are the ladder in proper order and distribute, and the diameter of outer assembly portion, first interior assembly portion and second interior assembly portion reduces gradually
The beneficial effects of the utility model are as follows: according to the shock absorber valve seat, the outer assembly part, the first inner assembly part and the second inner assembly part are arranged on the periphery of the valve seat body, and the outer steel pipe, the first inner steel pipe and the second inner steel pipe are respectively arranged through the outer assembly part, the first inner assembly part and the second inner assembly part, so that when the oil pressure in the shock absorber is overlarge, the oil can enter the space between the first inner steel pipe and the second inner steel pipe from the oil drainage hole, and the instantaneous overload of the internal pressure of the second inner steel pipe is prevented.
As an improvement of the utility model, one side of the valve seat body, which is positioned at the oil inlet groove, is provided with an annular valve wire, the annular valve wire divides the oil inlet groove into an oil return groove positioned at the center and a buffer groove positioned at the periphery of the oil return groove, and the oil through hole is arranged at the buffer groove.
As an improvement of the utility model, a plurality of oil return holes are arranged on the valve seat body in the oil return groove in a penetrating way.
As an improvement of the utility model, the surface of the first inner assembly part is concavely provided with a mounting groove for mounting the sealing ring.
As an improvement of the utility model, a plurality of protruding parts are formed on one side end surface of the valve seat body at intervals along the circumference, and the oil through groove is formed between two adjacent protruding parts.
As an improvement of the utility model, the outer side wall of the convex part is subjected to chamfering treatment.
The utility model provides an adjustable damping shock absorber, includes the disk seat, still include the guide holder, the guide holder includes guide holder body, outer steel pipe, first interior steel pipe and second interior steel pipe, the periphery of guide holder body is formed with outer installation department, first interior installation department and second interior installation department, outer installation department, first interior installation department and second interior installation department are ladder distribution in proper order, the one end of outer steel pipe is installed in the periphery of outer installation department, the other end of outer steel pipe is installed in the periphery of outer installation department, the one end of first interior steel pipe is installed in the periphery of first interior installation department, the other end of first interior steel pipe is installed in the periphery of first interior installation department, the one end of second interior steel pipe is installed in the periphery of second interior installation department, the other end of second interior steel pipe is installed in the periphery of second interior installation department, be formed with the cushion chamber between first interior steel pipe and the second interior steel pipe, form the working chamber between first interior steel pipe and the outer steel pipe, the one end of first interior steel pipe is installed in the periphery of first interior installation department, the other end of first interior steel pipe is installed in the second steel pipe in the periphery of second interior installation department.
Drawings
FIG. 1 is a schematic view of a valve seat structure of the present utility model.
FIG. 2 is another angular schematic view of a valve seat structure of the present utility model.
FIG. 3 is a schematic cross-sectional view of a valve seat structure of the present utility model.
Fig. 4 is a schematic view of the structure of the guide holder of the present utility model.
Fig. 5 is a schematic diagram of the cooperation structure of the valve seat and the guide seat of the present utility model.
In the figure, 1, a valve seat body; 1.1, a central opening; 1.2, an outer assembly part; 1.3, a first inner fitting part; 1.4, a second inner assembly part; 1.5, an oil inlet groove; 1.51, annular valve line; 1.52, an oil return groove; 1.53, buffer tank; 1.54, oil holes; 1.55, oil return holes; 1.6, an oil outlet groove; 1.7, a mounting groove; 1.8, a protruding part; 2. a guide seat; 2.1, oil drain holes; 2.2, an outer mounting part; 2.3, a first inner mounting portion; 2.4, a second inner mounting part; 3. an outer steel pipe; 4. a first inner steel pipe; 5. a second inner steel pipe;
Detailed Description
The utility model is further explained in connection with the drawings.
Referring to an adjustable damping shock absorber valve seat shown in fig. 1 to 3, the adjustable damping shock absorber valve seat comprises a valve seat body, an oil inlet groove is formed in one side of the valve seat body, an oil outlet groove is formed in the other side of the valve seat body, a central opening 1.1 penetrating through the oil inlet groove and the oil outlet groove is formed in the center of the valve seat body, a plurality of oil through holes 1.6 are formed in the valve seat body in a penetrating mode around the periphery of the central opening 1.1, an annular valve line is arranged on one side of the valve seat body, which separates the oil inlet groove into an oil return groove located at the center and a buffer groove located at the periphery of the oil return groove, and the oil through holes 1.6 are formed in the buffer groove. The oil through holes 1.6 are uniformly distributed in the buffer groove along the circumference, a plurality of oil return holes are formed in the valve seat body in a penetrating manner in the oil return groove, the oil inlet groove is separated to form the buffer groove and the oil return groove through the annular valve line, the buffer groove enables oil to be buffered after passing through the oil inlet holes, and the oil return groove is used for buffering and relieving pressure of the oil with the oil outlet groove which wants to enter the oil groove, so that the running stability of the whole shock absorber is improved.
The periphery of disk seat body is formed with the outer assembly portion that is used for installing outer steel pipe 2 in proper order, is used for installing the first interior assembly portion of first interior steel pipe 3 and is used for installing the second interior assembly portion of second interior steel pipe 4, outer assembly portion, first interior assembly portion and second interior assembly portion are ladder distribution in proper order, and the diameter of outer assembly portion, first interior assembly portion and second interior assembly portion reduces gradually. A working chamber is formed between the first inner steel pipe 3 and the outer steel pipe 2, and a buffer chamber is formed between the first inner steel pipe 3 and the second inner steel pipe 4.
A plurality of protruding portions are formed on one side end face of the valve seat body at intervals along the circumference, and the oil through groove is formed between every two adjacent protruding portions. Through form logical oil groove between bellying, can guarantee to lead to the size of oil groove, can be convenient for disperse buffering with fluid to reduce the fluid pressure in the shock absorber, safe and reliable more, in addition, the lateral wall of bellying is through chamfer processing. The problem of the burr that prior art's disk seat exists is solved, and this design can effectively avoid leading to the burr production of oil groove department, and frequently erode through fluid also not have the burr to drop, safe and reliable more is difficult for producing abnormal sound.
The side wall of the oil outlet groove is subjected to chamfering treatment. Thereby reducing burrs, and the surface of the first inner fitting part is concavely formed with a mounting groove 1.7 for mounting the sealing ring. The sealing ring is arranged between the first inner assembly part and the first inner steel pipe 3 through the mounting groove 1.7, so that the sealing performance of oil liquid in the inner steel pipe can be effectively improved.
According to the shock absorber valve seat, the outer assembly part, the first inner assembly part and the second inner assembly part are arranged on the periphery of the valve seat body, and the outer steel pipe 2, the first inner steel pipe 3 and the second inner steel pipe 4 are respectively arranged through the outer assembly part, the first inner assembly part and the second inner assembly part, so that when the oil pressure in the shock absorber is overlarge, the oil can enter the buffer cavity, and the instantaneous overload of the internal pressure of the second inner steel pipe 4 is prevented.
Referring to fig. 4 to 5, the utility model further discloses an adjustable damping shock absorber, which comprises the valve seat and a guide seat, wherein the guide seat comprises a guide seat body 1, an outer steel pipe 2, a first inner steel pipe 3 and a second inner steel pipe 4, an outer mounting part 1.2, a first inner mounting part 1.3 and a second inner mounting part 1.4 are formed on the periphery of the guide seat body 1, the outer mounting part 1.2, the first inner mounting part 1.3 and the second inner mounting part 1.4 are distributed in a stepped mode in sequence, one end of the outer steel pipe 2 is mounted on the periphery of the outer mounting part 1.2, the other end of the outer steel pipe 2 is mounted on the periphery of the outer mounting part, one end of the first inner steel pipe 3 is mounted on the periphery of the first inner mounting part 1.3, one end of the second inner steel pipe 4 is mounted on the periphery of the second inner mounting part 1.4, one end of the second inner steel pipe 4 is mounted on the periphery of the second inner mounting part 1.2, one end of the second inner steel pipe 4 is mounted on the periphery of the second inner steel pipe 4, an oil draining cavity is formed between the second inner steel pipe 1.4 and the outer side of the first steel pipe 1.2, and the second inner steel pipe 1.5 is communicated with an oil draining cavity is formed between the outer side of the first steel pipe 1.5 and the inner steel pipe 1.
According to the shock absorber, when the shock absorber is buffered, oil in the shock absorber can enter the working cavity from the oil through hole 1.6, so that a buffering effect is achieved, when the oil pressure in the shock absorber is overlarge, the oil can enter the buffering cavity from the oil drain hole 1.5, the instantaneous overload of the internal pressure of the second inner steel pipe 4 is prevented, the shock absorber is not damaged easily, and the service life of the shock absorber is prolonged.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides an adjustable damping shock absorber disk seat, includes disk seat body, its characterized in that: the valve seat comprises a valve seat body, and is characterized in that an oil inlet groove is formed in one side of the valve seat body, an oil outlet groove is formed in the other side of the valve seat body, a center opening which penetrates through the oil inlet groove and the oil outlet groove is formed in the center of the valve seat body, a plurality of oil through holes are formed in the periphery of the center opening in a penetrating mode on the valve seat body, an outer assembly part for installing an outer steel pipe, a first inner assembly part for installing a first inner steel pipe and a second inner assembly part for installing a second inner steel pipe are sequentially formed in the periphery of the valve seat body, the outer assembly part, the first inner assembly part and the second inner assembly part are sequentially in a step distribution mode, and the diameters of the outer assembly part, the first inner assembly part and the second inner assembly part are gradually reduced.
2. An adjustable damping shock absorber valve seat as defined in claim 1, wherein: the valve seat body is located one side of oil inlet groove and is equipped with annular valve line, annular valve line separates the oil inlet groove and forms the oil return groove that is located center department and is located the buffer tank of oil return groove periphery, the oil through hole sets up in buffer tank department.
3. An adjustable damping shock absorber valve seat as defined in claim 2, wherein: and a plurality of oil return holes are formed in the valve seat body in a penetrating manner in the oil return groove.
4. An adjustable damping shock absorber valve seat as defined in claim 1, wherein: the surface of the first inner assembly part is concavely provided with a mounting groove for mounting the sealing ring.
5. An adjustable damping shock absorber valve seat as defined in claim 1, wherein: a plurality of protruding portions are formed on one side end face of the valve seat body at intervals along the circumference, and the oil through groove is formed between every two adjacent protruding portions.
6. An adjustable damping shock absorber valve seat as defined in claim 5, wherein: the outer side wall of the protruding portion is subjected to chamfering treatment.
7. An adjustable damping shock absorber, characterized in that: the valve seat comprises any one of claims 1 to 5, and further comprises a guide seat body, an outer steel pipe, a first inner steel pipe and a second inner steel pipe, wherein the outer periphery of the guide seat body is provided with an outer mounting part, a first inner mounting part and a second inner mounting part, the outer mounting part, the first inner mounting part and the second inner mounting part are sequentially distributed in a step mode, one end of the outer steel pipe is mounted on the outer periphery of the outer mounting part, the other end of the outer steel pipe is mounted on the outer periphery of the outer mounting part, one end of the first inner steel pipe is mounted on the outer periphery of the first inner mounting part, the other end of the first inner steel pipe is mounted on the outer periphery of the first inner mounting part, one end of the second inner steel pipe is mounted on the outer periphery of the second inner mounting part, a buffer cavity is formed between the first inner steel pipe and the second inner steel pipe, a working cavity is formed between the first inner steel pipe and the outer steel pipe, one end of the first inner steel pipe is mounted on the outer periphery of the first inner steel pipe, one end of the first inner steel pipe is mounted on the outer side of the second inner steel pipe, one end of the first inner steel pipe is mounted on the second inner side of the second inner steel pipe is formed on the outer side of the second inner steel pipe, and the second inner pipe is communicated with the drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111589.3U CN219529679U (en) | 2023-05-10 | 2023-05-10 | Valve seat of adjustable damping shock absorber and shock absorber using valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111589.3U CN219529679U (en) | 2023-05-10 | 2023-05-10 | Valve seat of adjustable damping shock absorber and shock absorber using valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529679U true CN219529679U (en) | 2023-08-15 |
Family
ID=87629570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321111589.3U Active CN219529679U (en) | 2023-05-10 | 2023-05-10 | Valve seat of adjustable damping shock absorber and shock absorber using valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529679U (en) |
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2023
- 2023-05-10 CN CN202321111589.3U patent/CN219529679U/en active Active
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