CN218817805U - Hydraulic stop structure used in shock absorber - Google Patents
Hydraulic stop structure used in shock absorber Download PDFInfo
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- CN218817805U CN218817805U CN202222949716.9U CN202222949716U CN218817805U CN 218817805 U CN218817805 U CN 218817805U CN 202222949716 U CN202222949716 U CN 202222949716U CN 218817805 U CN218817805 U CN 218817805U
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- shock absorber
- stop
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- piston rod
- guider
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Abstract
The utility model relates to a position structure is only to inside hydraulic pressure that uses of shock absorber, end the position system including director assembly and hydraulic pressure, the director assembly includes the end cover, the oil blanket, the cylindricality spring, the director, the antifriction cover, hydraulic pressure ends the position system and includes conical spring, end the position piston, end the position board, the snap ring, end the position board, end the position piston, conical spring, the director, the cylindricality spring, the oil blanket end cover is established in proper order and is established on the piston rod of shock absorber, the director lower extreme is impressed the inner cylinder top of shock absorber, the outer cylinder top of shock absorber is impressed to the end cover, the snap ring card cover is on the piston rod, end the position board cover and establish and the riveting on the snap ring, end and be equipped with a plurality of normal through-holes on the piston, conical spring upper end is inserted and is established at the director lower extreme and is riveted, the conical spring lower extreme is inserted and is established and is riveted on ending the position piston upper end. The utility model can improve the durability of the stop system of the shock absorber, and the stop system of the shock absorber is converted from rigidity to flexibility; the ability of the shock absorber to withstand lateral forces can also be improved.
Description
Technical Field
The utility model relates to a shock absorber field especially relates to a hydraulic pressure that shock absorber inside used ends bit architecture.
Background
The rated service life of the automobile and the adaptation condition of the severe road conditions are more concerned by most people. The suspension is used as a force transmission part connected between a vehicle body and an axle (or wheel), has great influence on the driving stability, safety, comfort and the adhesion performance of the vehicle to the ground, and is an important part for ensuring the driving safety of the vehicle.
The road surface that the car was gone can not conform to car designer's will completely, must have the adverse circumstances that surpasses the design, and when the car was gone through the adverse road conditions that surpass the design, the extremely individual motion point tire was jumped down and is surpassed the design requirement, just at this moment just needs the position stopping system of car shock absorber to play a role.
The automobile shock absorber's of traditional structure position system that ends is the combination of spacing fixed cover and buffering stop collar, extrudees the buffering stop collar through spacing fixed cover and director, reaches buffering and spacing effect, and this kind of structural defect is obvious, and soft buffering stop collar produces the problem that extrudees damage and structural deformation easily, and the durability is low. Meanwhile, the distance between the guider and the universal piston influences the guiding function of the piston rod of the shock absorber, but the individual shock absorbers have the problem of insufficient guiding distance due to insufficient internal space and too short distance. When the buffer limiting sleeve has the problems, firstly, a buffer and stop system of the shock absorber fails, and a powder metallurgy part in the shock absorber is easily damaged; secondly, the cleanliness of the interior of the shock absorber exceeds the standard, and the vehicle valve system fails.
Disclosure of Invention
The utility model aims at solving the durability of the traditional shock absorber stopping system and is low, and provides a hydraulic pressure that the inside of shock absorber used stops the bit architecture.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a position structure is stopped to inside hydraulic pressure that uses of shock absorber, including director assembly and hydraulic pressure position system of stopping, the director assembly includes the end cover, the oil blanket, the cylindricality spring, the director, the antifriction cover, hydraulic pressure position system includes conical spring, the position piston stops, the position board stops, the snap ring, the general piston assembly of shock absorber is installed at the piston rod lower extreme, the position board stops, the position piston stops, conical spring, the director, the cylindricality spring, the oil blanket end cover is established on the piston rod of shock absorber in proper order, the antifriction cover is established on the piston rod and is impressed inside the director, the director lower extreme is impressed the inner cylinder top of shock absorber, the end cover is impressed the outer cylinder top of shock absorber, the snap ring card cover is on the piston rod, the position board cover is established on the snap ring and is riveted, the position piston inner wall that stops scribbles wear-resistant coating, be equipped with a plurality of normal through-hole on the position piston, oil is full in region one and region two through the normal through-hole, conical spring upper end is inserted and is established at the director lower extreme and is riveted, the conical spring lower extreme is inserted and is riveted on the position piston upper end and is riveted tightly.
In particular, the bottom of the oil seal is provided with an oil seal gasket.
Particularly, the end cover is welded and fixed with the outer cylinder of the shock absorber.
In particular, the stop piston is abutted against the inner wall of the inner cylinder, and the stop plate is not contacted with the inner wall of the inner cylinder.
In particular, the arrangement position of the normal through holes is smaller than the area range of the stop plate.
Particularly, spring slots are formed in the lower end of the guider and the upper end of the stop piston, and the upper end and the lower end of the conical spring are tightly inserted into the spring slots respectively.
Particularly, a clamping groove is formed in the piston rod, the clamping ring is clamped and sleeved in the clamping groove, the stop plate is in an inverted convex shape, and the lower portion of the stop plate is tightly riveted on the piston rod.
In particular, the stop piston and the stop plate are made of high-strength steel plate material.
The utility model has the advantages that:
1. the surface of the stop piston, which is in contact with the piston rod, is filled with a wear-resistant coating, and the clearance between the stop piston and the piston rod is small, so that oil cannot leak from the clearance;
2. the stop piston and the stop plate are made of high-strength steel plate materials, so that the strength of parts is high;
3. the upper end and the lower end of the conical spring are tightly riveted, so that the fixing effect is good, and the conical spring cannot fall off;
4. the arrangement of the stop piston, the stop plate and the normally-open hole ensures that when the shock absorber is stretched, the stop plate blocks the normally-open hole of the stop piston, so that oil in the first area cannot move towards the second area, the oil in the first area is extremely difficult to compress at the moment of stretching of the shock absorber, and the position of the stop piston is fixed at the moment to achieve the limiting effect; because a small gap exists between the stop piston and the inner cylinder, oil can slowly overflow from the first region to achieve the buffering effect; when the shock absorber is compressed, the stop piston returns to the original set position under the action of the conical spring;
5. the problem that the guide distance of the piston rod is insufficient can be solved due to the fact that the stop piston and the guider have a certain distance, and the shock absorber can bear larger lateral force;
6. compared with the traditional stop system structure, the invention can improve the durability of the stop system of the shock absorber and convert the stop system of the shock absorber from rigidity to flexibility; and meanwhile, the capability of the shock absorber for bearing lateral force can be improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
in the figure: 1-a piston rod; 2-end cap; 3-oil sealing; 4-a cylindrical spring; 5-a guide; 6-oil seal gasket; 7-antifriction sleeve; 8-a conical spring; 9-outer cylinder; 10-inner cylinder; 11-a stop piston; 12-a stop plate; 13-a snap ring; 14-a universal piston assembly; 15-a through hole;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-2, a hydraulic stop structure used in a shock absorber comprises a guider assembly and a hydraulic stop system, wherein the guider assembly comprises an end cover 2, an oil seal 3, a cylindrical spring 4, a guider 5 and an anti-wear sleeve 7, and the hydraulic stop system comprises a conical spring 8, a stop piston 11, a stop plate 12 and a snap ring 13;
a universal piston assembly 14 of the shock absorber is arranged at the lower end of a piston rod 1, a stop plate 12, a stop piston 11, a conical spring 8, a guider 5, a cylindrical spring 4 and an oil seal 3 end cover 2 are sequentially sleeved on the piston rod 1 of the shock absorber, an oil seal gasket 6 is arranged at the bottom of the oil seal 3, an anti-friction sleeve 7 is sleeved on the piston rod 1 and pressed into the guider 5, the lower end of the guider 5 is pressed into the top of an inner cylinder 10 of the shock absorber, the end cover 2 is pressed into the top of an outer cylinder 9 of the shock absorber, and the end cover 2 and the outer cylinder 9 of the shock absorber are welded and fixed;
the piston rod 1 is provided with a clamping groove, the clamping ring 13 is clamped and sleeved in the clamping groove, the stop plate 12 is sleeved on the clamping ring 13 and is riveted tightly, the piston rod 1 is provided with a clamping groove, the clamping ring 13 is clamped and sleeved in the clamping groove, the stop plate 12 is in an inverted convex shape, and the lower part of the stop plate 12 is riveted tightly on the piston rod 1;
the stop piston 11 and the stop plate 12 are made of high-strength steel plate materials, the strength of parts is high, the stop piston 11 is abutted against the inner wall of the inner cylinder 10, the stop plate 12 is not contacted with the inner wall of the inner cylinder 10, the inner wall of the stop piston 11 is coated with a wear-resistant coating, a gap between the stop piston 11 and the piston rod 1 is small, so that oil cannot leak from the gap, a plurality of normal through holes 15 are formed in the stop piston 11, the arrangement positions of the normal through holes 15 are smaller than the area range of the stop plate 12, and the oil is filled in the first region and the second region through the normal through holes 15;
the upper end of the conical spring 8 is inserted into the lower end of the guider 5 and is tightly riveted, the lower end of the conical spring 8 is inserted into the upper end of the stop piston 11 and is tightly riveted, spring slots are formed in the lower end of the guider 5 and the upper end of the stop piston 11, and the upper end and the lower end of the conical spring 8 are respectively and tightly inserted into the spring slots; the upper end and the lower end of the conical spring 8 are tightly riveted, the fixing effect is good, and the conical spring 8 cannot fall off.
The utility model discloses the theory of operation, in the tensile process of shock absorber, piston rod 1 moves up, ends the position board 12 and ends position piston 11 and be close to gradually, when ending the position board 12 and end position piston 11 contact, ends the position board 12 and blocks the normal through-hole 15 that ends position piston 11, leads to the fluid of regional one not to move to regional two, and the fluid of regional one is extremely difficult to compress at the tensile one instant of shock absorber, leads to the position of ending position piston 11 to be fixed at this instant, reaches and ends the position effect; because a small gap exists between the stop piston 11 and the inner cylinder 10, the oil can slowly overflow from the first region to achieve the buffering effect; when the shock absorber is compressed, the stop piston 11 will return to the original set position under the action of the conical spring 8.
The stop piston 11 and the guider 5 have a certain distance to make up the problem of insufficient guiding distance of the piston rod 1, so that the shock absorber can bear larger lateral force.
Compared with the traditional stop system structure, the invention can improve the durability of the stop system of the shock absorber and convert the stop system of the shock absorber from rigidity to flexibility; and meanwhile, the capability of the shock absorber for bearing lateral force can be improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and all the modifications made by the method and the technical solution of the present invention or directly applied to other occasions without modification are within the protection scope of the present invention.
Claims (8)
1. A hydraulic stop structure used in a shock absorber is characterized by comprising a guider assembly and a hydraulic stop system, wherein the guider assembly comprises an end cover (2), an oil seal (3), a cylindrical spring (4), a guider (5) and an antifriction sleeve (7), the hydraulic stop system comprises a conical spring (8), a stop piston (11), a stop plate (12) and a snap ring (13), a universal piston assembly (14) of the shock absorber is arranged at the lower end of a piston rod (1), the stop plate (12), the stop piston (11), the conical spring (8), the guider (5), the cylindrical spring (4) and the end cover (2) of the oil seal (3) are sequentially sleeved on the piston rod (1) of the shock absorber, the anti-wear sleeve (7) is sleeved on the piston rod (1) and pressed into the guider (5), the lower end of the guider (5) is pressed into the top of the inner cylinder (10) of the shock absorber, the end cover (2) is pressed into the top of the outer cylinder (9) of the shock absorber, the clamping ring (13) is clamped and sleeved on the piston rod (1), the stop plate (12) is sleeved on the clamping ring (13) and is tightly riveted, the inner wall of the stop piston (11) is coated with a wear-resistant coating, the stop piston (11) is provided with a plurality of normal through holes (15), oil is filled in the first region and the second region through the normal through holes (15), the upper end of the conical spring (8) is inserted at the lower end of the guider (5) and is tightly riveted, the lower end of the conical spring (8) is inserted into the upper end of the stop piston (11) and is riveted.
2. A hydraulic stop structure for use in the interior of a shock absorber as claimed in claim 1, wherein the bottom of the oil seal (3) is provided with an oil seal gasket (6).
3. A hydraulic stop arrangement for use in the interior of a shock absorber as claimed in claim 2 wherein the end cap (2) is welded to the outer tube (9) of the shock absorber.
4. A hydraulic stop structure for use in the interior of a shock absorber according to claim 3, wherein the stop piston (11) abuts against the inner wall of the inner cylinder (10), and the stop plate (12) does not contact the inner wall of the inner cylinder (10).
5. A hydraulic stop structure used in the inside of a shock absorber according to claim 4, wherein the arrangement position of the normally-open holes (15) is smaller than the area range of the stop plate (12).
6. The hydraulic stop structure for the interior of the shock absorber according to claim 5, wherein the lower end of the guide (5) and the upper end of the stop piston (11) are provided with spring slots, and the upper end and the lower end of the conical spring (8) are tightly inserted into the spring slots respectively.
7. The hydraulic stop structure for the interior of the shock absorber according to claim 6, wherein a clamping groove is formed in the piston rod (1), the clamping ring (13) is clamped and sleeved in the clamping groove, the stop plate (12) is inverted-convex, and the lower portion of the stop plate (12) is tightly riveted on the piston rod (1).
8. A hydraulic stop arrangement for use inside a shock absorber according to claim 7, wherein the stop piston (11) and the stop plate (12) are made of high strength steel sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222949716.9U CN218817805U (en) | 2022-11-07 | 2022-11-07 | Hydraulic stop structure used in shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222949716.9U CN218817805U (en) | 2022-11-07 | 2022-11-07 | Hydraulic stop structure used in shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817805U true CN218817805U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222949716.9U Active CN218817805U (en) | 2022-11-07 | 2022-11-07 | Hydraulic stop structure used in shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817805U (en) |
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2022
- 2022-11-07 CN CN202222949716.9U patent/CN218817805U/en active Active
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