Magnetic shock absorber

Abstract

The application relates to the technical field of shock absorbers, in particular to a magnetic force shock absorber, which comprises an outer shell body, a shock absorption structure is arranged on the inner side of the outer shell body, a connecting structure is connected between the shock absorption structure and the outer shell body, a fixing structure is connected to the end of the outer shell body, and an adjusting structure is arranged on the outer side of the outer shell body. The shock absorption structure can provide good shock absorption effect for a vehicle, and the shock absorption effect can be conveniently adjusted to adapt to different driving requirements. The connecting structure can conveniently disassemble and assemble the device, and the buffer effect can be conveniently adjusted. The fixing structure can conveniently adjust the buffer effect and improve the stability of the device during use. The adjusting structure can further improve the buffer effect of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of shock absorbers, in particular to a magnetic shock absorber. Background Art

[0002] Shock absorbers are devices used to suppress vibrations generated by a vehicle while driving on the road, improving the vehicle's ride comfort. While shock-absorbing springs can filter out road vibrations when driving over uneven surfaces, the springs themselves still experience reciprocating motion. Shock absorbers are designed to suppress this spring bouncing, thereby improving driving comfort.

[0003] Current shock absorbers usually use oil and pistons to achieve the shock absorption effect, and use springs to buffer the vibrations of the motorcycle. Since the springs usually deform greatly during the buffering process, the overall movement distance of the shock absorber is also large, and the shock absorption effect is relatively general. At the same time, the buffering effect of traditional shock absorbers is not convenient to adjust, and it is difficult to adapt to different motorcycle driving needs. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a magnetic shock absorber.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a magnetic shock absorber, including an outer shell, a shock-absorbing structure is provided on the inner side of the outer shell, a connecting structure is connected between the shock-absorbing structure and the outer shell, the end of the outer shell is connected to a fixing structure, and an adjustment structure is provided on the outer side of the outer shell.

[0006] Specifically, the shock-absorbing structure includes a connecting head, a connecting head is provided at one end of the outer shell, the inner side of the connecting head abuts against a fixed seat, the fixed seat is slidably connected to the inner side of the outer shell, the end of the fixed seat is fixedly connected to a second magnetic block, the end of the outer shell facing away from the connecting head is slidably connected to a telescopic rod, the end of the telescopic rod is fixedly connected to a first magnetic block, the first magnetic block is slidably connected to the outer shell, an intermediate magnetic block is provided between the first magnetic block and the second magnetic block, the intermediate magnetic block is slidably connected to the inner side of the outer shell, and buffer pads are fixedly connected on both sides of the intermediate magnetic block.

[0007] Specifically, the side of the connecting head is rotatably connected to a driving screw, the end of the driving screw is rotatably connected to the outer shell, and a thread groove is provided on the side of the fixing seat, and the fixing seat is threadedly connected to the driving screw through the thread groove.

[0008] Specifically, the end of the driving screw facing away from the outer shell is fixedly connected to the second gear, and the inner side of the connecting head is rotatably connected to the first gear, and the first gear and the second gear are meshed with each other.

[0009] Specific, the connecting structure includes a clamping block, the inner side of the shell body is slidably connected with the clamping block, the clamping block and the shell body are fixedly connected with a third spring, the end of the clamping block is a spherical surface structure, and the spherical surface end of the clamping block abuts against the side surface of the fixed seat.

[0010] Specific, the end of the shell body is provided with a insertion hole, the side surface of the connecting head is fixedly connected with a connecting sliding block, the connecting sliding block is slidably connected with the shell body through the insertion hole, the middle of the connecting sliding block is provided with a clamping groove, the inner side of the clamping block is fixedly connected with an inclined surface block, and the side surface of the inclined surface block is an inclined surface structure.

[0011] Specific, the fixed structure includes a mounting head, the end of the connecting head is rotatably connected with the mounting head, the mounting head is fixedly connected with the side surface of the first gear, a fastening screw is slidably connected on the mounting head, and a screw hole is formed in the connecting head, and the fastening screw is threadedly connected with the connecting head through the screw hole.

[0012] Specific, the connecting head is slidably connected with an ejection rod through a screw hole, the ejection rod and the connecting head are fixedly connected with a first spring, and the end of the ejection rod abuts against the fastening screw.

[0013] Specific, the adjusting structure includes a sliding sleeve, the sliding sleeve is slidably connected on the shell body, the end of the sliding sleeve and the telescopic rod are fixedly connected with a buffer spring, a threaded sleeve is threadedly connected on the shell body, and the side surface of the threaded sleeve abuts against the sliding sleeve.

[0014] Specific, the sliding sleeve is provided with a positioning hole, the sliding sleeve is slidably connected with a release block through the positioning hole, the side surface of the shell body is slidably connected with a plurality of positioning columns, the positioning columns and the shell body are fixedly connected with a second spring, the end of the positioning column is slidably connected with the sliding sleeve through the positioning hole, and the inner side of the sliding sleeve is provided with an inclined surface structure.

[0015] The beneficial effects of the present application are:

[0016] (1) The magnetic shock absorber, the inner side of the shell body is provided with a damping structure, the damping structure can provide good damping effect for the vehicle, and the damping effect can be conveniently adjusted to adapt to different driving requirements.

[0017] (2) The magnetic shock absorber, the damping structure and the shell body are connected with a connecting structure, the device can be conveniently disassembled and adjusted through the connecting structure.

[0018] (3) In the magnetic shock absorber described in the present invention, the end of the outer shell is connected to a fixed structure, which can facilitate the adjustment of the buffering effect and improve the stability of the device during use;

[0019] (4) In the magnetic shock absorber described in the present invention, an adjustment structure is provided on the outer side of the outer shell, and the cushioning effect of the device can be further improved by the adjustment structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0021] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0022] Figure 2 Schematic diagram of the connection structure between the outer shell and the telescopic rod of the present invention;

[0023] Figure 3 for Figure 2 The enlarged structural diagram of part A is shown;

[0024] Figure 4 for Figure 2 The enlarged structural diagram of part B is shown;

[0025] Figure 5 for Figure 3 The enlarged structural diagram of part C is shown;

[0026] Figure 6 Schematic diagram of the connection structure between the outer shell and the sliding sleeve of the present invention;

[0027] Figure 7 for Figure 6 The enlarged structural diagram of the D portion shown;

[0028] Figure 8 Schematic diagram of the connection structure between the outer shell and the connector of the present invention;

[0029] Figure 9 This is a schematic diagram of the connection structure between the connector and the first gear of the present invention;

[0030] Figure 10 It is a schematic diagram of the connection structure of the sliding sleeve and the release block of the present invention.

[0031] In the figure: 1. outer shell; 2. shock-absorbing structure; 201. connecting head; 202. telescopic rod; 203. first magnetic block; 204. intermediate magnetic block; 205. fixing seat; 206. second magnetic block; 207. first gear; 208. buffer pad; 209. driving screw; 210. threaded groove; 211. second gear; 3. fixing structure; 301. mounting head; 302. fastening screw; 303. screw hole; 304. ejector rod; 305. first spring; 4. adjusting structure; 401. sliding sleeve; 402. buffer spring; 403. threaded sleeve; 404. release block; 405. positioning hole; 406. positioning column; 407. second spring; 5. connecting structure; 501. engaging block; 502. third spring; 503. inclined block; 504. jack; 505. connecting slider; 506. slot. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] like Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, a magnetic shock absorber described in the present invention includes an outer shell 1, a shock absorbing structure 2 is provided on the inner side of the outer shell 1, a connecting structure 5 is connected between the shock absorbing structure 2 and the outer shell 1, a fixing structure 3 is connected to the end of the outer shell 1, and an adjustment structure 4 is provided on the outer side of the outer shell 1.

[0034] Specifically, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10As shown, the shock absorbing structure 2 includes a connector 201, a connector 201 is provided at one end of the outer shell 1, the inner side of the connector 201 is in contact with a fixed seat 205, the fixed seat 205 is slidably connected to the inner side of the outer shell 1, the end of the fixed seat 205 is fixedly connected to the second magnetic block 206, the end of the outer shell 1 away from the connector 201 is slidably connected to the telescopic rod 202, the end of the telescopic rod 202 is fixedly connected to the first magnetic block 203, the first magnetic block 203 is slidably connected to the outer shell 1, an intermediate magnetic block 204 is provided between the first magnetic block 203 and the second magnetic block 206, the intermediate magnetic block 204 slides The connecting head 201 is rotatably connected to the inner side of the outer shell 1, and the two sides of the intermediate magnetic block 204 are respectively fixedly connected with a buffer pad 208. The side of the connecting head 201 is rotatably connected to the driving screw 209, and the end of the driving screw 209 is rotatably connected to the outer shell 1. The side of the fixing seat 205 is provided with a thread groove 210, and the fixing seat 205 is threadedly connected to the driving screw 209 through the thread groove 210. The end of the driving screw 209 facing away from the outer shell 1 is fixedly connected to the second gear 211. The inner side of the connecting head 201 is rotatably connected to the first gear 207, and the first gear 207 and the second gear 211 are engaged with each other.

[0035] A telescopic rod 202 is slidably connected in the outer shell 1, and a first magnetic block 203 is fixed to the end of the telescopic rod 202, and a second magnetic block 206 fixed in the fixing seat 205 is provided on the connecting head 201 at the rear end of the outer shell 1. A plurality of intermediate magnetic blocks 204 are provided between the first magnetic block 203 and the second magnetic block 206. When the motorcycle vibrates during driving, the telescopic rod 202 will slide in the mounting rod. Due to the repulsive effect between the magnetic blocks, the motorcycle will have a good buffering effect. At the same time, since the range of action between the magnets is relatively small, the telescopic rod 202 can have a good buffering effect within a smaller sliding range. When the telescopic rod 202 slides back, the air between the end of the telescopic rod 202 and the outer shell 1 will be compressed, thereby generating a damping effect, making the return slide of the telescopic rod 202 smoother, thereby achieving a buffering and shock-absorbing effect for the driving of the motorcycle. On the other hand, for different In order to meet different driving needs, the user can change the buffering effect of the device by adding different numbers of intermediate magnetic blocks 204 between the first magnetic block 203 and the second magnetic block 206. A driving screw 209 is provided on the inner side of the outer shell 1. When the first gear 207 in the connecting head 201 rotates, the transmission effect of the second gear 211 will drive the driving screw 209 to rotate. Since the driving screw 209 is threadedly connected to the fixing seat 205, the user can move the fixing seat 205 to a state that conflicts with the connecting head 201. At this time, the connecting head 201 can be removed to add the intermediate magnetic block 204 to the outer shell 1, which is convenient for operation. After the addition is completed, the position of the second magnetic block 206 can be adjusted by the driving screw 209 again to ensure that the distance between the magnetic blocks is in a suitable position and to exert a good buffering effect. Buffer pads 208 are provided on both sides of the intermediate magnetic block 204 to avoid direct collision between the magnetic blocks.

[0036] Specifically, such as Figure 5 、 Figure 8 As shown, the connecting structure 5 includes a snap block 501, the inner side of the outer shell 1 is slidably connected to the snap block 501, a third spring 502 is fixedly connected between the snap block 501 and the outer shell 1, the end of the snap block 501 is a hemispherical structure, the spherical end of the snap block 501 conflicts with the side of the fixed seat 205, the end of the outer shell 1 is provided with a socket 504, the side of the connector 201 is fixedly connected to a connecting slider 505, the connecting slider 505 is slidably connected to the outer shell 1 through the socket 504, a slot 506 is provided in the middle of the connecting slider 505, the inner side of the snap block 501 is fixedly connected to a ramp block 503, and the side of the ramp block 503 is a ramp structure;

[0037] The outer shell 1 and the connecting head 201 are connected and fixed by the engagement between the connecting slider 505 and the locking block 501. The connecting slider 505 slides into the inner side of the outer shell 1 through the socket 504. At this time, the inclined block 503 on the inner side of the locking block 501 will engage with the connecting slider 505 through the locking groove 506, thereby realizing the connection and fixation between the outer shell 1 and the connecting head 201. When the connecting head 201 needs to be removed, the user can adjust the position of the fixing seat 205 by rotating the driving screw 209. When the fixing seat 205 moves to conflict with the connecting head 201, the two sides of the fixing seat 205 will push the locking block 501 through the hemispherical ends on the side of the locking block 501, thereby causing the locking block 501 to slide and release the engagement with the connecting slider 505. At this time, the connecting head 201 can be removed, which is convenient for operation.

[0038] Specifically, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 、 Figure 9 As shown, the fixing structure 3 includes a mounting head 301, the end of the connecting head 201 is rotatably connected to the mounting head 301, the mounting head 301 is fixedly connected to the side of the first gear 207, the mounting head 301 is slidably connected to a fastening screw 302, the connecting head 201 is provided with a screw hole 303, the fastening screw 302 is threadedly connected to the connecting head 201 through the screw hole 303, the connecting head 201 is slidably connected to an ejector rod 304 through the screw hole 303, the ejector rod 304 is fixedly connected to the connecting head 201 with a first spring 305, and the end of the ejector rod 304 is in conflict with the fastening screw 302;

[0039] In order to facilitate the rotation of the first gear 207 and thus adjust the position of the fixing seat 205 to achieve the adjustment of the buffering effect, the mounting head 301 located on the connecting head 201 is used to connect and fix with the motorcycle. At the same time, the user can drive the first gear 207 by rotating the mounting head 301, which is convenient for adjusting the position of the fixing seat 205. On the other hand, after completing the adjustment of the position of the fixing seat 205, in order to facilitate the fixation of the device through the mounting head 301, the user needs to rotate the mounting head 301 until the fastening screw 302 is aligned with the screw hole 303. Since the inner side of the screw hole 303 is provided with a knockout rod 304, it avoids jamming of the mounting head 301 when it is rotated. After the adjustment is completed, the fastening screw 302 is fixed to the connecting head 201 through the screw hole 303, and the position of the mounting head 301 and the fixing seat 205 can be fixed to ensure the stability of the device.

[0040] Specifically, such as Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 、 Figure 10 As shown, the adjustment structure 4 includes a sliding sleeve 401, the outer shell 1 is slidably connected to the sliding sleeve 401, and a buffer spring 402 is fixedly connected between the end of the sliding sleeve 401 and the telescopic rod 202. A threaded sleeve 403 is threadedly connected to the outer shell 1, and the side of the threaded sleeve 403 conflicts with the sliding sleeve 401. A positioning hole 405 is opened on the sliding sleeve 401, and the sliding sleeve 401 is slidably connected to a release block 404 through the positioning hole 405. A plurality of positioning posts 406 are slidably connected to the side of the outer shell 1, and a second spring 407 is fixedly connected between the positioning post 406 and the outer shell 1. The end of the positioning post 406 is slidably connected to the sliding sleeve 401 through the positioning hole 405, and the inner side of the sliding sleeve 401 is provided with an inclined surface structure;

[0041] A sliding sleeve 401 is provided on the outside of the outer shell 1. The user can adjust the position of the sliding sleeve 401 by rotating the threaded sleeve 403. When the sliding sleeve 401 moves to the inner positioning hole 405 and is aligned with the corresponding positioning post 406, the positioning post 406 will be embedded in the positioning hole 405 to fix the current position of the sliding sleeve 401. The buffer spring 402 connected between the end of the sliding sleeve 401 and the telescopic rod 202 can provide additional buffering effect for the device while also adjusting the shock absorption effect during the return process of the telescopic rod 202, making the use of the device more flexible. At the same time, when the sliding sleeve 401 needs to be adjusted, the user only needs to press the release block 404 to release the engagement between the positioning post 406 and the positioning hole 405, which is convenient for operation.

[0042] When the present invention is in use, first, a telescopic rod 202 is slidably connected in the outer shell 1, and a first magnetic block 203 is fixed at the end of the telescopic rod 202, and a second magnetic block 206 fixed in the fixing seat 205 is provided on the connector 201 at the rear end of the outer shell 1. A plurality of intermediate magnetic blocks 204 are provided between the first magnetic block 203 and the second magnetic block 206. When the motorcycle vibrates during driving, the telescopic rod 202 will slide in the mounting rod. Due to the repulsive effect between the magnetic blocks, the motorcycle will have a good buffering effect. At the same time, since the range of action between the magnets is relatively small, the telescopic rod 202 can have a good buffering effect within a smaller sliding range. When the telescopic rod 202 slides back, due to the contact between the end of the telescopic rod 202 and the outer shell 1 The air between the two ends of the telescopic rod 202 will be compressed, thereby producing a damping effect, making the sliding back of the telescopic rod 202 smoother, thereby achieving a buffering and shock-absorbing effect for the motorcycle. On the other hand, for different driving needs, the user can change the buffering effect of the device by adding different numbers of intermediate magnetic blocks 204 between the first magnetic block 203 and the second magnetic block 206. A driving screw 209 is provided on the inner side of the outer shell 1. When the first gear 207 in the connecting head 201 rotates, the driving screw 209 is driven to rotate through the transmission effect of the second gear 211. Since the driving screw 209 is threadedly connected to the fixing seat 205, the user can move the fixing seat 205 to a state of conflict with the connecting head 201. At this time, the connecting head 201 can be removed to Adding an intermediate magnetic block 204 in the outer shell 1 is convenient for operation. After adding, the position of the second magnetic block 206 can be adjusted by driving the screw 209 again to ensure that the distance between the magnetic blocks is in a suitable position and to exert a good buffering effect. Buffer pads 208 are provided on both sides of the intermediate magnetic block 204 to avoid direct collision between the magnetic blocks. The outer shell 1 and the connector 201 are connected and fixed by the engagement between the connecting slider 505 and the locking block 501. The connecting slider 505 slides into the inner side of the outer shell 1 through the jack 504. At this time, the inclined block 503 on the inner side of the locking block 501 will engage with the connecting slider 505 through the slot 506, thereby realizing the connection and fixation between the outer shell 1 and the connector 201. When the connector 201 needs to be removed, The user can adjust the position of the fixing seat 205 by rotating the driving screw 209. When the fixing seat 205 moves to conflict with the connecting head 201, the two sides of the fixing seat 205 will push the locking block 501 through the hemispherical ends of the side of the locking block 501, so that the locking block 501 slides and releases the locking state with the connecting slider 505. At this time, the connecting head 201 can be removed for easy operation. In order to facilitate the rotation of the first gear 207 to adjust the position of the fixing seat 205 and achieve the adjustment of the buffering effect, the mounting head 301 located on the connecting head 201 is used to connect and fix with the motorcycle. At the same time, the user can drive the first gear 207 by rotating the mounting head 301, which is convenient for adjusting the position of the fixing seat 205.On the other hand, after completing the adjustment of the position of the fixing seat 205, in order to facilitate the fixation of the device through the mounting head 301, the user needs to rotate the mounting head 301 until the fastening screw 302 is aligned with the screw hole 303. Since the inside of the screw hole 303 is provided with a knockout rod 304, it avoids the mounting head 301 from getting stuck when rotating. After completing the adjustment, the fastening screw 302 is fixed to the connecting head 201 through the screw hole 303 to fix the position of the mounting head 301 and the fixing seat 205 to ensure the stability of the device. A sliding sleeve 401 is provided on the outside of the outer shell 1, and the user can adjust the sliding sleeve 401 by rotating the threaded sleeve 403. When the sliding sleeve 401 moves to the inner positioning hole 405 and aligns with the corresponding positioning post 406, the positioning post 406 will be embedded in the positioning hole 405 to fix the current position of the sliding sleeve 401. The buffer spring 402 connected between the end of the sliding sleeve 401 and the telescopic rod 202 not only provides additional buffering effect for the device, but also can adjust the shock absorption effect of the telescopic rod 202 during the return process, making the use of the device more flexible. At the same time, when the sliding sleeve 401 needs to be adjusted, the user only needs to press the release block 404 to release the engagement between the positioning post 406 and the positioning hole 405, which is convenient for operation.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0044] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A magnetic shock absorber, characterized in that: It comprises an outer shell (1), a shock absorbing structure (2) is provided on the inner side of the outer shell (1), a connecting structure (5) is connected between the shock absorbing structure (2) and the outer shell (1), an end of the outer shell (1) is connected to a fixing structure (3), and an adjusting structure (4) is provided on the outer side of the outer shell (1); The shock-absorbing structure (2) comprises a connector (201), one end of the outer shell (1) is provided with the connector (201), the inner side of the connector (201) is in contact with a fixed seat (205), the fixed seat (205) is slidably connected to the inner side of the outer shell (1), the end of the fixed seat (205) is fixedly connected to a second magnetic block (206), the end of the outer shell (1) away from the connector (201) is slidably connected to a telescopic rod (202), the end of the telescopic rod (202) is fixedly connected to a first magnetic block (203), the first magnetic block (203) is slidably connected to the outer shell (1), an intermediate magnetic block (204) is provided between the first magnetic block (203) and the second magnetic block (206), the intermediate magnetic block (204) is slidably connected to the inner side of the outer shell (1), and both sides of the intermediate magnetic block (204) are fixedly connected to buffer pads (208); The side of the connector (201) is rotatably connected to a driving screw (209), the end of the driving screw (209) is rotatably connected to the outer shell (1), and a thread groove (210) is provided on the side of the fixing seat (205), and the fixing seat (205) is threadedly connected to the driving screw (209) via the thread groove (210); The connecting structure (5) comprises a snap-fit ​​block (501), the snap-fit ​​block (501) is slidably connected to the inner side of the outer shell (1), a third spring (502) is fixedly connected between the snap-fit ​​block (501) and the outer shell (1), the end of the snap-fit ​​block (501) is a hemispherical structure, and the spherical end of the snap-fit ​​block (501) abuts against the side surface of the fixing seat (205); The outer shell (1) is provided with a socket (504) at the end thereof, a connecting slider (505) is fixedly connected to the side of the connector (201), the connecting slider (505) is slidably connected to the outer shell (1) via the socket (504), a slot (506) is provided in the middle of the connecting slider (505), an inclined plane block (503) is fixedly connected to the inner side of the engaging block (501), and the side of the inclined plane block (503) is a inclined plane structure.

2. The magnetic shock absorber according to claim 1, characterized in that: The end of the driving screw (209) facing away from the outer shell (1) is fixedly connected to the second gear (211), and the inner side of the connecting head (201) is rotatably connected to the first gear (207), and the first gear (207) and the second gear (211) are meshed with each other.

3. The magnetic shock absorber according to claim 2, characterized in that: The fixing structure (3) comprises a mounting head (301), the end of the connecting head (201) is rotatably connected to the mounting head (301), the mounting head (301) is fixedly connected to the side of the first gear (207), a fastening screw (302) is slidably connected to the mounting head (301), a screw hole (303) is provided on the connecting head (201), and the fastening screw (302) is threadedly connected to the connecting head (201) through the screw hole (303).

4. The magnetic shock absorber according to claim 3, characterized in that: The connector (201) is slidably connected to an ejector rod (304) via a screw hole (303); a first spring (305) is fixedly connected between the ejector rod (304) and the connector (201); and an end of the ejector rod (304) is in contact with the fastening screw rod (302).

5. The magnetic shock absorber according to claim 1, characterized in that: The adjustment structure (4) comprises a sliding sleeve (401), the sliding sleeve (401) is slidably connected to the outer shell (1), a buffer spring (402) is fixedly connected between the end of the sliding sleeve (401) and the telescopic rod (202), and a threaded sleeve (403) is threadedly connected to the outer shell (1), and the side surface of the threaded sleeve (403) is in conflict with the sliding sleeve (401).

6. The magnetic shock absorber according to claim 5, characterized in that: The sliding sleeve (401) is provided with a positioning hole (405), and the sliding sleeve (401) is slidably connected to a release block (404) through the positioning hole (405). A plurality of positioning columns (406) are slidably connected to the side of the outer shell (1), and a second spring (407) is fixedly connected between the positioning columns (406) and the outer shell (1). The end of the positioning column (406) is slidably connected to the sliding sleeve (401) through the positioning hole (405), and the inner side of the sliding sleeve (401) is provided with a slope structure.

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