CN213541157U - Shock absorber assembly with double-spring structure - Google Patents
Shock absorber assembly with double-spring structure Download PDFInfo
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- CN213541157U CN213541157U CN202022647826.0U CN202022647826U CN213541157U CN 213541157 U CN213541157 U CN 213541157U CN 202022647826 U CN202022647826 U CN 202022647826U CN 213541157 U CN213541157 U CN 213541157U
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- piston rod
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- sleeved
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Abstract
The utility model discloses a shock absorber assembly with a double-spring structure, which comprises a cylinder barrel, wherein a mounting cavity is formed in the cylinder barrel in a hollow manner, a piston rod is inserted in the mounting cavity, the top end of the piston rod extends out of the mounting cavity, the bottom end of the piston rod is inserted in the cylinder barrel, the top end of the piston rod is sleeved with a connecting rod upper sleeve, the top end of the piston rod is also sleeved with an upper spring disc, an upper spring pad is arranged below the upper spring disc, a lower spring pad is sleeved on the cylinder barrel, an assembly spring is clamped between the upper spring pad and the lower spring pad, the lower spring pad is connected with an auxiliary spring, the auxiliary spring is sleeved on the cylinder barrel and the piston rod at the same time, the diameter of the auxiliary spring is smaller than that of the assembly spring, a mounting groove is formed on the bottom surface of the upper spring pad, the top of the auxiliary spring extends into the mounting groove and is limited in the mounting groove by the groove wall of the mounting groove.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field especially relates to a bumper shock absorber assembly of double spring structure.
Background
Among the prior art, disclose a double spring shock absorber assembly in the chinese utility model patent of patent number cn201720880560.x, be applied to the vehicle and hang, it includes main spring, auxiliary spring, main spring seat, auxiliary spring seat, main spring tray, auxiliary spring tray, bumper shock absorber, last piston rod, lower guiding mechanism, the sliding block goes up the installation piece, installation piece and lock nut down, and specific characteristics are: the main spring tray and the auxiliary spring tray are fixedly connected with the outer cylinder of the shock absorber, the upper mounting block and the main spring seat are in locking connection with the upper piston rod, the auxiliary spring seat is fixedly connected with the sliding block, the main spring is pre-pressed and fixed between the main spring seat and the main spring tray, and the auxiliary spring is pre-pressed and fixed between the auxiliary spring seat and the auxiliary spring tray; by adopting the suspension system of the double-spring shock absorber assembly and selecting proper main springs, auxiliary springs and shock absorbers, the comfort and the controllability of the vehicle can be improved simultaneously.
However, in the dual spring shock absorber assembly of the above patent, the diameters of the main springs at the respective positions are equal, when the vehicle chassis transmits the impact force in the same direction as the radial direction of the main springs to the main springs, the main springs are easily deformed in the radial direction, and the restoring force of the cylindrical main springs with the equal diameters to the radial direction is limited, so that the main springs are easily deformed in the irreversible radial direction after long-term use, and the restoring direction of the main springs in the axial direction is also deformed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned technical current situation and provide a bumper shock absorber with variable rigidity spring.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a shock absorber assembly with a double-spring structure comprises a cylinder barrel, wherein a mounting cavity is formed in the cylinder barrel in a hollow mode, a piston rod is connected in the mounting cavity in an inserted mode, the top end of the piston rod extends out of the mounting cavity, the bottom end of the piston rod is connected in the cylinder barrel in an inserted mode, an upper connecting rod sleeve is sleeved at the top end of the piston rod, an upper spring disc is further sleeved at the top end of the piston rod, an upper spring pad is arranged below the upper spring disc in a sleeved mode, a lower spring pad is sleeved on the cylinder barrel in a sleeved mode, an assembly spring is clamped between the upper spring pad and the lower spring pad, an auxiliary spring is connected to the lower spring pad in a sleeved mode, the auxiliary spring is simultaneously sleeved on the cylinder barrel and the piston rod, the diameter of the auxiliary spring is smaller than that of the assembly spring, a mounting groove is formed in the bottom surface of the upper spring pad, and the top of the auxiliary spring extends into the mounting groove and;
the assembly spring is conical spring, conical spring's top is connected on going up the bottom surface of spring pad, conical spring's top diameter will be less than the diameter of middle section and bottom, conical spring's axis with the axis slope of piston rod is crossing and is formed with the acute angle contained angle.
As the improvement of the utility model the connecting rod upper cover side is provided with the installing support the top cover of piston rod is equipped with fixation nut, fixation nut will the connecting rod upper cover locking is in the top of piston rod, the installing support includes two installation pieces, links to each other and bonds each other through the screw between two installation pieces and has the apex to glue, and one of them installation piece cover is established on the piston rod, and another installation piece is fixed on vehicle chassis.
As the utility model discloses an it is preferred be carved with many rings of screw threads on the cell wall of mounting groove, the top of auxiliary spring is inlayed and is established in the screw thread.
As a specific technical scheme of the utility model the top cover of piston rod is equipped with the bearing, it fixes to go up the spring holder on the bearing.
Compared with the prior art, the utility model has the advantages of: the assembly spring is a conical spring, the assembly spring is obliquely arranged relative to the axial direction of the cylinder barrel, the diameter of the top of the conical spring is smaller than that of the middle section and the bottom of the conical spring, the radial anti-deformation capability of the assembly spring is obviously stronger than that of a main spring in the prior art, and the service life and the radial deformation resistance of the assembly spring in the shock absorber assembly are prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a shock absorber assembly with a double-spring structure according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in the attached drawing, this embodiment is a shock absorber assembly of double spring structure, including cylinder 1, the cylinder adopts stainless steel to make to the complex environment of adaptation vehicle chassis, the cavity is formed with the installation cavity in the inside of cylinder, has plugged in piston rod 2 in the installation cavity, the piston rod top extends outside the installation cavity, the bottom of piston rod is pegged graft in the cylinder, the cover is equipped with piston (not shown in the figure) on the part that the piston rod is located in the cylinder, the external diameter of piston is close and slightly is greater than the internal diameter of cylinder with the internal diameter of cylinder installation cavity, be equipped with the rubber circle in the outer lane cover of piston, the rubber circle pressurized can warp and reduce the piston external diameter, makes the rubber circle can be compressed tightly between installation cavity wall and piston, plays sealed effect, and can reduce the noise that friction produced.
The top end of the piston rod is sleeved with an upper connecting rod sleeve 3, the top end of the piston rod is further sleeved with an upper spring disc 4, an upper spring pad 5 is arranged below the upper spring disc, the top of the piston rod is sleeved with a bearing, and the upper spring disc is fixed on the bearing. The arrangement of the bearing enables the upper spring holder to rotate around the piston rod to adjust the position, and meanwhile, the piston rod cannot rotate together.
The bottom surface of the upper spring disc is provided with an arc surface part, the upper spring pad is attached to the arc surface part, the whole upper spring disc is fixed on the bearing 6, the bearing 6 is sleeved at the top end of the piston rod, and the axial positions of the upper spring disc and the upper spring pad on the piston rod can be adjusted by adjusting the axial position of the bearing 6 on the piston rod, so that the initial length of the assembly spring, namely the spring rigidity, can be adjusted.
The cylinder barrel is sleeved with a lower spring pad 7, an assembly spring 8 is clamped between the upper spring pad and the lower spring pad and is a conical spring, the top of the conical spring is connected to the bottom surface of the upper spring pad, the diameter of the top of the conical spring is smaller than that of the middle section and that of the bottom of the conical spring, and the central axis of the conical spring and the central axis of the piston rod are inclined and intersected to form an acute angle.
Be connected with auxiliary spring 9 on the spring washer down, auxiliary spring overlaps simultaneously and establishes the cylinder with on the piston rod, auxiliary spring's diameter will be less than assembly spring's diameter to be formed with the clearance between the two the installation groove has been formed on the bottom surface of going up the spring washer, auxiliary spring's top extends in the installation groove and by the cell wall of installation groove is spacing in the installation groove, be carved with many rings of screw on the cell wall of installation groove, auxiliary spring's top is inlayed and is established in the screw for axial removal can not take place for auxiliary spring's both ends are all fixed.
The side part of the upper sleeve of the connecting rod is provided with a mounting bracket 10, the top end of the piston rod is sleeved with a fixing nut 11, the fixing nut locks the upper sleeve of the connecting rod on the top end of the piston rod, the mounting bracket comprises two mounting pieces, the two mounting pieces are connected through a screw 12 and are bonded with top rubber, one mounting piece is sleeved on the piston rod, and the other mounting piece is fixed on an automobile chassis.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a bumper shock absorber assembly of dual spring structure, including the cylinder, the inside cavity of cylinder is formed with the installation cavity the piston rod has been pegged graft in the installation cavity, the piston rod top extends the installation cavity is outside, peg graft in the bottom of piston rod in the cylinder the top cover of piston rod is equipped with the connecting rod and overlaps the top of piston rod still is equipped with the spring dish the top of piston rod still overlaps and is equipped with the spring pad the spring dish below is provided with the spring pad the cover is equipped with down spring pad, its characterized in that on the cylinder: an assembly spring is clamped between the upper spring pad and the lower spring pad, an auxiliary spring is connected to the lower spring pad, the auxiliary spring is sleeved on the cylinder barrel and the piston rod at the same time, the diameter of the auxiliary spring is smaller than that of the assembly spring, an installation groove is formed in the bottom surface of the upper spring pad, and the top of the auxiliary spring extends into the installation groove and is limited in the installation groove by the groove wall of the installation groove;
the assembly spring is conical spring, conical spring's top is connected on going up the bottom surface of spring pad, conical spring's top diameter will be less than the diameter of middle section and bottom, conical spring's axis with the axis slope of piston rod is crossing and is formed with the acute angle contained angle.
2. The damper assembly of a double spring structure as claimed in claim 1, wherein: the connecting rod upper sleeve side is provided with a mounting bracket, the top of the piston rod is sleeved with a fixing nut, the fixing nut locks the connecting rod upper sleeve on the top of the piston rod, the mounting bracket comprises two mounting pieces, the two mounting pieces are connected through screws and are bonded with top rubber, one mounting piece is sleeved on the piston rod, and the other mounting piece is fixed on an automobile chassis.
3. The damper assembly of a double spring structure as claimed in claim 1, wherein: and a plurality of circles of threads are carved on the wall of the mounting groove, and the top of the auxiliary spring is embedded in the threads.
4. The damper assembly of a double spring structure as claimed in claim 1, wherein: the top of the piston rod is sleeved with a bearing, and the upper spring disc is fixed on the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647826.0U CN213541157U (en) | 2020-11-17 | 2020-11-17 | Shock absorber assembly with double-spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647826.0U CN213541157U (en) | 2020-11-17 | 2020-11-17 | Shock absorber assembly with double-spring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213541157U true CN213541157U (en) | 2021-06-25 |
Family
ID=76482722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647826.0U Active CN213541157U (en) | 2020-11-17 | 2020-11-17 | Shock absorber assembly with double-spring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213541157U (en) |
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2020
- 2020-11-17 CN CN202022647826.0U patent/CN213541157U/en active Active
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