CN211117302U - Buffer device and shock absorber - Google Patents
Buffer device and shock absorber Download PDFInfo
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- CN211117302U CN211117302U CN201921721967.3U CN201921721967U CN211117302U CN 211117302 U CN211117302 U CN 211117302U CN 201921721967 U CN201921721967 U CN 201921721967U CN 211117302 U CN211117302 U CN 211117302U
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- magnet
- fine adjustment
- adjustment knob
- sliding block
- inner sliding
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Abstract
The utility model discloses a buffer and bumper shock absorber, buffer includes: the fine adjustment mechanism comprises an inner sliding block, an outer fixed block, a first magnet, a second magnet, a magnet bracket and a fine adjustment knob; the outer fixed block is sleeved on the first end of the inner sliding block, a guide groove and a fixed part which are matched with the inner sliding block are arranged in the outer fixed block, and a first magnet is arranged at the first end of the inner sliding block; the second magnet and the magnet bracket are arranged in the guide groove, the first magnet and the second magnet are oppositely arranged in the same polarity, and the second magnet is fixed on the magnet bracket; the bottom of the guide groove is provided with a through hole matched with the fine adjustment knob, the end part of a connecting rod of the fine adjustment knob is connected to the magnet bracket through the through hole, and the head part of the fine adjustment knob is connected with the fixing part. Through setting up the first magnet and the second magnet that homopolar opposite direction placed, realize the effect of buffering bradyseism, this buffer simple structure, spare part precision and material require lowly, and with low costs, can realize simultaneously that the damping size is adjustable, long service life.
Description
Technical Field
The utility model relates to a shock attenuation technical field especially relates to a buffer and bumper shock absorber.
Background
In the running of wheels or some mechanical equipment that can produce vibrations, if do not all have shock absorber to come reasonable buffering vibrations, no matter vehicle itself or mechanical equipment, the not hard up damage that their constructional device junction can all be rapid, and the use of vehicle is experienced extremely poorly, and mechanical equipment's life also can reduce by a wide margin.
The scheme of current solution shock attenuation buffering is by two kinds: one is to use a spring with fixed elasticity, and use the elasticity of the spring to support the connecting pieces at two ends to achieve the purpose of buffering and damping, but the elasticity cannot be adjusted in time according to the actual situation, and the flexibility is poor; in addition, the other type is a closed hydraulic or air shock absorber, and the repulsion force brought by the compression of the liquid or air in a closed cavity inside the shock absorber realizes the buffering.
Disclosure of Invention
The embodiment of the utility model provides a buffer and bumper shock absorber, through setting up the first magnet and the second magnet that homopolar subtend placed, realize buffering bradyseism's effect, this buffer simple structure, spare part precision and material require lowly, and with low costs, can realize that the device's damping size is adjustable simultaneously.
In order to achieve the above object, an embodiment of the present invention provides a buffer device, including: the fine adjustment mechanism comprises an inner sliding block, an outer fixed block, a first magnet, a second magnet, a magnet bracket and a fine adjustment knob;
the outer fixed block is sleeved on the first end of the inner sliding block, a guide groove and a fixed part which are matched with the inner sliding block are arranged in the outer fixed block, and the first end of the inner sliding block is provided with the first magnet; the second magnet and the magnet bracket are both arranged in the guide groove, the first magnet and the second magnet are placed in the same polarity and opposite directions, and the second magnet is fixed on the magnet bracket; the bottom of the guide groove is provided with a through hole matched with the fine adjustment knob, the end part of a connecting rod of the fine adjustment knob is connected to the magnet bracket through the through hole, and the head part of the fine adjustment knob is connected with the fixing part.
As a modification of the above, the fixing portion includes a connecting portion and a first positioning fixing groove for connecting an external member; the head of the fine adjustment knob is embedded in one end of the connecting portion, and the other end of the connecting portion is connected with the first positioning fixing groove.
As an improvement of the above scheme, a second positioning fixing groove is arranged at the second end of the inner sliding block, so that the second positioning fixing groove is connected with an external component.
As an improvement of the scheme, the fine adjustment knob is a damping adjustment knob.
As an improvement of the above scheme, the first magnet and the second magnet are permanent magnets.
The embodiment of the utility model also provides a shock absorber, which is characterized in that the shock absorber comprises a supporting part, a bearing part and the buffer device; the inner sliding block is connected with the supporting part, and the fixing part on the outer fixing block is connected with the bearing part.
The utility model discloses a buffer, compare in prior art, have following beneficial effect:
the buffer device comprises an inner sliding block, an outer fixed block, a first magnet, a second magnet, a magnet bracket and a fine adjustment knob; the outer fixed block is sleeved on the first end of the inner sliding block, a guide groove and a fixed part which are matched with the inner sliding block are arranged in the outer fixed block, and the first end of the inner sliding block is provided with the first magnet; the second magnet and the magnet bracket are both arranged in the guide groove, the first magnet and the second magnet are placed in the same polarity and opposite directions, and the second magnet is fixed on the magnet bracket; the bottom of the guide groove is provided with a through hole matched with the fine adjustment knob, the end part of a connecting rod of the fine adjustment knob is connected to the magnet bracket through the through hole, and the head part of the fine adjustment knob is connected with the fixing part. Through setting up the first magnet and the second magnet that homopolar subtend placed, set up the outer fixed block cover of second magnet is established the installation on the interior sliding block of first magnet to both produce the repulsion of non-physical contact, so that under the effect of this repulsion the outer fixed block is guided to the position balanced with this repulsion, realize buffering bradyseism's effect, for inclosed hydraulic pressure or air shock absorber among the prior art, the device of the utility model is simple in structure, spare part precision and material require lowly, and overall cost is low. Simultaneously, through setting up the fine setting knob for the relative position of two magnets of adjustment, thereby realize that buffer's damping size is adjustable, solved and adopted the problem that the spring of fixed elasticity can't adjust elasticity in time according to actual conditions among the prior art, and compare in spring assembly, the ageing of magnet and the decay rate of repulsion are slow, have long service life's characteristics.
Drawings
Fig. 1 is a schematic structural diagram of a buffering device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a shock absorber according to a second embodiment of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a buffer device according to a first embodiment of the present invention. The buffer device 1 includes: the fine adjustment mechanism comprises an inner sliding block 11, an outer fixed block 12, a first magnet 13, a second magnet 14, a magnet bracket 15 and a fine adjustment knob 16;
the outer fixed block 12 is sleeved on the first end of the inner sliding block 11, a guide groove 121 and a fixed part 122 which are matched with the inner sliding block 11 are arranged in the outer fixed block 12, and the first magnet 13 is installed on the first end of the inner sliding block 11; the second magnet 14 and the magnet bracket 15 are both arranged in the guide groove 121, the first magnet 13 and the second magnet 14 are placed in the same polarity and opposite directions, and the second magnet 14 is fixed on the magnet bracket 15; the bottom of the guide groove 121 is provided with a through hole matched with the fine adjustment knob 16, the end of the connecting rod of the fine adjustment knob 16 is connected to the magnet bracket 15 through the through hole, and the head of the fine adjustment knob 16 is connected to the fixing part 122.
Note that the inner slider 11 may be made of a nonmagnetic material. The first end of the inner sliding block 11 sleeved in the outer fixed block 12 is provided with a first magnet 13, the shape of the first magnet 13 is not limited, and the sectional area of the first magnet 13 is smaller than that of the first magnet in contact with the inner sliding block 11. The outer fixing block 12 may also be made of a non-magnetic material, the inner hollow area of which is matched with the shape of the inner sliding block 11 to form a guide groove 121, and the second magnet 14 is fixed on the inner magnet tray 15. It should be noted that like magnetic forces of the first magnet 13 and the second magnet 14 repel each other, and the magnitude of the repulsive force is in inverse proportion to the distance stroke between the two magnets, by using the principle, the two magnets are respectively placed on the inner sliding block 11 and the outer fixed block 12, the repulsive force generated by the two magnets replaces the elastic force generated by the compression spring in the prior art, and then the relative position of the two magnets is controlled by adjusting the fine adjustment knob 16 connected with the magnet tray 15, so that the depth of the second magnet 14 arranged in the outer fixed block can be adjusted, and the purpose of adjusting the magnitude of the repulsive force is achieved.
Preferably, the fine adjustment knob 16 is a damping adjustment knob. The relative positions of the two magnets are adjusted in real time by adjusting the damping adjusting knob, so that the damping of the adjusting device is adjusted, a better buffering effect is achieved, and the damage to the device caused by too large or too small damping can be effectively avoided.
Preferably, the first magnet 13 and the second magnet 14 are permanent magnets.
It should be noted that, by using the permanent magnet, the aging of the magnet and the attenuation speed of the repulsive force can be effectively reduced, so that the service life of the device can be effectively prolonged.
Referring to fig. 1, in an alternative embodiment, the fixing portion 122 includes a connecting portion 123 and a first positioning fixing groove 124 for connecting an external component; the head of the fine adjustment knob 16 is embedded in one end of the connection part 123, and the other end of the connection part 123 is connected to the first positioning fixing groove 124.
Referring to fig. 1, in an alternative embodiment, a second positioning fixing groove 111 is formed on a second end of the inner sliding block 11, so that the second positioning fixing groove 111 is connected to an external component.
Fig. 2 is a schematic structural diagram of a shock absorber according to a second embodiment of the present invention. The shock absorber comprises a supporting part 2, a bearing part 3 and the buffering device 1 in the first embodiment; the inner sliding block 11 is connected with the supporting part 2, and the fixing part 122 on the outer fixing block 12 is connected with the bearing part 3.
In the present embodiment, as shown in fig. 2, the shock absorber 1 is placed upright, and is connected to an external member via the support portion 2, and the receiving portion 3 is used for connection to an impact target. Specifically, the second positioning fixing groove 111 provided in the inner sliding block 11 is sleeved on the supporting portion 2, and the first positioning fixing groove 124 provided in the outer fixing block 12 is sleeved on the connecting member of the bearing portion 3.
The embodiment of the utility model provides a theory of operation is:
the bearing part 3 and the supporting part 2 need to be connected with the buffer device 1 to realize the damping effect. At the beginning of installation, the fine adjustment knob 16 is at the initial position, i.e. the second magnet 14 is placed at the bottom of the guide groove 121, and at this time, the device has minimum damping, and therefore the limit of the inner sliding block 11 and the outer fixed block 12 needs to be designed to be relative to each other according to the minimum damping. Firstly, the inner sliding block 11 is fixed on the ground through the supporting part 2, then the bearing part 3 is fixedly connected with the outer fixed block 12, and then one end of the inner sliding block 11, which is provided with the first magnet 13, is sleeved in the guide groove 122 of the outer fixed block 12, and at this time, under the mutual repulsive force of the first magnet 13 and the second magnet 14, the outer fixed block 12 supports the bearing part 3 to be suspended on the ground. In addition, the relative position of the two magnets can be adjusted in real time through the fine adjustment knob 16 according to the vibration generated by the impact on the bearing part 3 and the damping device 1, so that the damping can be adjusted. If the damping is too small, the magnet tray 15 is moved along the guide grooves in the direction of the inner slide 11, so that the relative distance of the two magnets is reduced, thereby increasing the damping.
Compared with the prior art, the utility model discloses a buffer and bumper shock absorber's beneficial effect lies in: the buffer device comprises an inner sliding block, an outer fixed block, a first magnet, a second magnet, a magnet bracket and a fine adjustment knob; the outer fixed block is sleeved on the first end of the inner sliding block, a guide groove and a fixed part which are matched with the inner sliding block are arranged in the outer fixed block, and the first end of the inner sliding block is provided with the first magnet; the second magnet and the magnet bracket are both arranged in the guide groove, the first magnet and the second magnet are placed in the same polarity and opposite directions, and the second magnet is fixed on the magnet bracket; the bottom of the guide groove is provided with a through hole matched with the fine adjustment knob, the end part of a connecting rod of the fine adjustment knob is connected to the magnet bracket through the through hole, and the head part of the fine adjustment knob is connected with the fixing part. Through setting up the first magnet and the second magnet that homopolar subtend placed, set up the outer fixed block cover of second magnet is established the installation on the interior sliding block of first magnet to both produce the repulsion of non-physical contact, so that under the effect of this repulsion the outer fixed block is guided to the position balanced with this repulsion, realize buffering bradyseism's effect, for inclosed hydraulic pressure or air shock absorber among the prior art, the device of the utility model is simple in structure, spare part precision and material require lowly, and overall cost is low. Simultaneously, through setting up the fine setting knob for the relative position of two magnets of adjustment, thereby realize that buffer's damping size is adjustable, solved and adopted the problem that the spring of fixed elasticity can't adjust elasticity in time according to actual conditions among the prior art, and compare in spring assembly, the ageing of magnet and the decay rate of repulsion are slow, have long service life's characteristics.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. A cushioning device, comprising: the fine adjustment mechanism comprises an inner sliding block, an outer fixed block, a first magnet, a second magnet, a magnet bracket and a fine adjustment knob;
the outer fixed block is sleeved on the first end of the inner sliding block, a guide groove and a fixed part which are matched with the inner sliding block are arranged in the outer fixed block, and the first end of the inner sliding block is provided with the first magnet; the second magnet and the magnet bracket are both arranged in the guide groove, the first magnet and the second magnet are placed in the same polarity and opposite directions, and the second magnet is fixed on the magnet bracket; the bottom of the guide groove is provided with a through hole matched with the fine adjustment knob, the end part of a connecting rod of the fine adjustment knob is connected to the magnet bracket through the through hole, and the head part of the fine adjustment knob is connected with the fixing part.
2. The cushioning device according to claim 1, wherein said fixing portion includes a connecting portion and a first fixing groove for connecting an external member; the head of the fine adjustment knob is embedded in one end of the connecting portion, and the other end of the connecting portion is connected with the first positioning fixing groove.
3. The damper of claim 1, wherein the second end of the inner slide block is provided with a second detent recess such that the second detent recess is coupled to the external member.
4. The cushioning device of claim 1, wherein said fine adjustment knob is a damping adjustment knob.
5. The damper of claim 1, wherein the first magnet and the second magnet are permanent magnets.
6. A shock absorber comprising a support portion, a carrier portion and a cushioning device as claimed in any one of claims 1 to 5; the inner sliding block is connected with the supporting part, and the fixing part on the outer fixing block is connected with the bearing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721967.3U CN211117302U (en) | 2019-10-14 | 2019-10-14 | Buffer device and shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721967.3U CN211117302U (en) | 2019-10-14 | 2019-10-14 | Buffer device and shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117302U true CN211117302U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721967.3U Active CN211117302U (en) | 2019-10-14 | 2019-10-14 | Buffer device and shock absorber |
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| CN (1) | CN211117302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022266916A1 (en) * | 2021-06-24 | 2022-12-29 | 周宇 | Instantaneously adjustable electromagnetic suspension device |
-
2019
- 2019-10-14 CN CN201921721967.3U patent/CN211117302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022266916A1 (en) * | 2021-06-24 | 2022-12-29 | 周宇 | Instantaneously adjustable electromagnetic suspension device |
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