CN214578516U - Shock absorber based on thread transmission - Google Patents
Shock absorber based on thread transmission Download PDFInfo
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- CN214578516U CN214578516U CN202120174987.4U CN202120174987U CN214578516U CN 214578516 U CN214578516 U CN 214578516U CN 202120174987 U CN202120174987 U CN 202120174987U CN 214578516 U CN214578516 U CN 214578516U
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- fixedly connected
- bottom plate
- spring
- shock absorber
- baffle
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Abstract
The utility model relates to a bumper shock absorber technical field, and a bumper shock absorber based on screw thread transmission is disclosed, comprising a base plate, the upper end center department fixedly connected with spring of bottom plate, the upper end fixedly connected with roof of spring, the one end that the spring was kept away from to bottom plate and roof all is connected with the installation cover through supporting mechanism, the lower extreme center department fixedly connected with thread bush of bottom plate, the through-hole has all been seted up to the position department that roof and bottom plate correspond the thread bush, thread connection has the screw rod in the thread bush, the upper end of screw rod passes two through-holes and spring setting in proper order, and sliding connection between the through-hole, the upper end fixedly connected with baffle of screw rod, the lower extreme of baffle and the upper end of roof contact, install stabilizing mean between bottom plate and the roof, annular chute has been seted up to the lower extreme of baffle, sliding connection has annular slider in the annular chute. The utility model discloses make the prediction power of spring adjustable, can adapt to the user demand under the different situation, and reliable and stable.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field especially relates to a bumper shock absorber based on screw drive.
Background
The shock absorber is mainly used for inhibiting the shock when the spring absorbs the shock and rebounds and the impact from the road surface. When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping. The shock absorber is too soft, the vehicle body jumps up and down, and the shock absorber is too hard, so that too much resistance is brought, and the normal work of the spring is hindered. The pretightening force of the damping spring on the existing damper is not convenient to adjust and is difficult to adapt to different use conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art shock absorber damping spring's pretightning force and be not convenient for adjust, be difficult to adapt to different in service behavior's problem, and the shock absorber based on screw drive who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bumper shock absorber based on screw thread transmission, includes the bottom plate, the fixedly connected with spring is located at the upper end center of bottom plate, the upper end fixedly connected with roof of spring, the one end that the spring was kept away from to bottom plate and roof all is connected with the installation cover through supporting mechanism, the fixedly connected with thread bush is located at the lower extreme center of bottom plate, the through-hole has all been seted up to roof and the position department that the bottom plate corresponds the thread bush, thread bush threaded connection has the screw rod, the upper end of screw rod pass two through-holes and spring setting in proper order, and between the through-hole sliding connection, the upper end fixedly connected with baffle of screw rod, the lower extreme of baffle and the upper end of roof contact, install stabilizing mean between bottom plate and the roof.
Preferably, the lower extreme of baffle has seted up the annular spout, sliding connection has annular slider in the annular spout, the one end that annular slider kept away from the annular spout tank bottom passes the notch of annular spout and outwards extends, and fixed connection corresponds position department in the upper end of roof.
Preferably, a plurality of ball groove, a plurality of have been seted up to the one end that annular slider is close to annular spout tank bottom the ball groove is the annular array and distributes the setting, the ball inslot roll connection has the ball, the ball is kept away from the one end of ball groove tank bottom and is passed the notch in ball groove and outwards extend, and with roll connection between the tank bottom of annular spout.
Preferably, the two support mechanisms comprise four positioning rods, the four positioning rods are respectively and fixedly connected to the top plate and the bottom plate, and one ends of the two positioning rods which are positioned on the same side are jointly and fixedly connected to the corresponding mounting sleeves.
Preferably, the stabilizing mechanism comprises two stabilizing sleeves, the two stabilizing sleeves are symmetrically and fixedly connected with two sides of the bottom plate, stabilizing rods are slidably connected in the stabilizing sleeves, and the upper ends of the stabilizing rods penetrate through the stabilizing sleeves and are fixedly connected to corresponding positions at the lower end of the top plate.
Preferably, the lower end of the stabilizer bar is fixedly connected with an anti-dropping block.
Compared with the prior art, the utility model provides a bumper shock absorber based on screw thread transmission possesses following beneficial effect:
1. this bumper shock absorber based on screw thread transmission is in the state of compression through setting up bottom plate, spring, roof, installation cover, thread bush, screw rod and baffle spring, and when damping spring's pretightning force was adjusted to needs, the rotation baffle, the baffle drives the screw rod under it and rotates, and under the effect of screw thread, the thread bush drives the bottom plate and removes, and then has changed the distance between bottom plate and the roof, and then has changed the pretightning force of spring for can adapt to the user demand under the different situation.
2. This bumper shock absorber based on screw thread transmission through setting up annular spout and annular slider, at the in-process of rotating the baffle, the baffle can drive annular slider at annular spout internal rotation for the baffle rotates ground more reliable and stable, can not take place the condition of skew.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the anticipated power of spring adjustable, can adapt to the user demand under the different situation, and reliable and stable.
Drawings
Fig. 1 is a schematic front view of a damper based on a screw transmission according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: the anti-dropping device comprises a base plate 1, a spring 2, a top plate 3, an installation sleeve 4, a thread sleeve 5, a screw 6, a baffle 7, an annular sliding groove 8, an annular sliding block 9, a ball groove 10, a ball 11, a positioning rod 12, a stabilizing sleeve 13, a stabilizing rod 14 and an anti-dropping block 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a damper based on thread transmission comprises a bottom plate 1, a spring 2 is fixedly connected at the center of the upper end of the bottom plate 1, a top plate 3 is fixedly connected at the upper end of the spring 2, the ends of the bottom plate 1 and the top plate 3, which are far away from the spring 2, are both connected with an installation sleeve 4 through a supporting mechanism, a thread sleeve 5 is fixedly connected at the center of the lower end of the bottom plate 1, through holes are respectively formed at the positions of the top plate 3 and the bottom plate 1, which correspond to the thread sleeve 5, a screw rod 6 is connected with the thread sleeve 5 in a threaded manner, the upper end of the screw rod 6 sequentially penetrates through the two through holes and the spring 2 and is in sliding connection with the through holes, a baffle 7 is fixedly connected at the upper end of the screw rod 6, the lower end of the baffle 7 is in contact with the upper end of the top plate 3, a stabilizing mechanism is installed between the bottom plate 1 and the top plate 3, when the pretightening force of the damping spring 2 needs to be adjusted, the baffle 7 is rotated, the baffle 7 drives the screw rod 6 below to rotate, under the effect of screw thread, thread bush 5 drives bottom plate 1 and removes, and then has changed the distance between bottom plate 1 and the roof 3, and then has changed the pretightning force of spring 2 for the user demand under the different situation can be adapted to.
A plurality of ball groove 10 has been seted up to the one end that annular slider 9 is close to the 8 tank bottoms of annular spout, and a plurality of ball groove 10 is the distribution of annular array and sets up, and ball 11 is connected with in the ball groove 10 roll, and ball 11 keeps away from the one end of ball groove 10 tank bottoms and passes the notch of ball groove 10 and outwards extend, and with roll connection between the tank bottom of annular spout 8 for annular slider 9 is more smooth and easy at the 8 internal rotations ground of annular spout.
Two supporting mechanism include four locating levers 12, and four locating levers 12 are fixed connection respectively on roof 3 and bottom plate 1, lie in the same common fixed connection of one end of two locating levers 12 of one side on the installation cover 4 that corresponds, are convenient for fix a position fixedly to installation cover 4.
Stabilizing mean includes two stabilizing sleeve 13, two stabilizing sleeve 13 symmetry fixedly connected with bottom plate 1's both sides, and sliding connection has stabilizer bar 14 in stabilizing sleeve 13, and stabilizer bar 14's upper end passes stabilizing sleeve 13 and fixed connection in the corresponding position department of roof 3 lower extreme for it is reliable and more stable when relative movement takes place between roof 3 and bottom plate 1.
The lower end of the stabilizer bar 14 is fixedly connected with an anti-drop block 15 for preventing the stabilizer bar 14 and the stabilizer sleeve 13 from being separated.
The utility model discloses in, when damping spring 2's pretightning force needs to be adjusted, rotating baffle 7, baffle 7 drives screw rod 6 under it and rotates, under the effect of screw thread, thread bush 5 drives bottom plate 1 and removes, and then the distance between bottom plate 1 and the roof 3 has been changed, and then spring 2's pretightning force has been changed, make the user demand that can adapt to under the different situation, at rotating baffle 7's in-process, baffle 7 can drive annular slider 9 at 8 rotations of annular spout, make baffle 7 rotate ground more reliable and stable, the condition of skew can not take place.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The shock absorber based on thread transmission comprises a bottom plate (1) and is characterized in that a spring (2) is fixedly connected to the center of the upper end of the bottom plate (1), a top plate (3) is fixedly connected to the upper end of the spring (2), one ends, far away from the spring (2), of the bottom plate (1) and the top plate (3) are connected with an installation sleeve (4) through a supporting mechanism, a thread sleeve (5) is fixedly connected to the center of the lower end of the bottom plate (1), through holes are formed in positions, corresponding to the thread sleeve (5), of the top plate (3) and the bottom plate (1), a screw rod (6) is connected with the thread sleeve (5) in an internal thread manner, the upper end of the screw rod (6) sequentially penetrates through the two through holes and the spring (2) and is connected with the through holes in a sliding manner, a baffle (7) is fixedly connected to the upper end of the screw rod (6), the lower end of the baffle (7) is contacted with the upper end of the top plate (3), and a stabilizing mechanism is arranged between the bottom plate (1) and the top plate (3).
2. The shock absorber based on the screw thread transmission is characterized in that the lower end of the baffle (7) is provided with an annular sliding groove (8), an annular sliding block (9) is connected in the annular sliding groove (8) in a sliding mode, one end, far away from the bottom of the annular sliding groove (8), of the annular sliding block (9) penetrates through a notch of the annular sliding groove (8) and extends outwards, and the annular sliding block is fixedly connected to the upper end of the top plate (3) at a position corresponding to the upper end of the top plate.
3. The thread transmission-based shock absorber according to claim 2, wherein a plurality of ball grooves (10) are formed at one end of the annular slider (9) close to the bottom of the annular sliding chute (8), the plurality of ball grooves (10) are distributed in an annular array, balls (11) are connected in the ball grooves (10) in a rolling manner, and one end of each ball (11) far away from the bottom of the ball groove (10) penetrates through the notch of the ball groove (10) and extends outwards and is in rolling connection with the bottom of the annular sliding chute (8).
4. The thread transmission-based shock absorber according to claim 1, wherein the two support mechanisms comprise four positioning rods (12), the four positioning rods (12) are respectively and fixedly connected to the top plate (3) and the bottom plate (1), and one ends of the two positioning rods (12) located on the same side are jointly and fixedly connected to the corresponding mounting sleeves (4).
5. A threaded drive based shock absorber according to claim 1 wherein the stabilizing mechanism comprises two stabilizing sleeves (13), the two stabilizing sleeves (13) are symmetrically and fixedly connected with both sides of the bottom plate (1), the stabilizing sleeves (13) are internally and slidably connected with stabilizing rods (14), and the upper ends of the stabilizing rods (14) pass through the stabilizing sleeves (13) and are fixedly connected at corresponding positions at the lower end of the top plate (3).
6. A screw drive based shock absorber according to claim 5 wherein the stabilizer bar (14) is fixedly connected at its lower end with a retaining block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174987.4U CN214578516U (en) | 2021-01-22 | 2021-01-22 | Shock absorber based on thread transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174987.4U CN214578516U (en) | 2021-01-22 | 2021-01-22 | Shock absorber based on thread transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214578516U true CN214578516U (en) | 2021-11-02 |
Family
ID=78370496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120174987.4U Active CN214578516U (en) | 2021-01-22 | 2021-01-22 | Shock absorber based on thread transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214578516U (en) |
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2021
- 2021-01-22 CN CN202120174987.4U patent/CN214578516U/en active Active
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