Damping mechanism
By designing a shock absorbing mechanism in the motor mechanical structure and using elastic parts to buffer the vibration of bolts, the resonant noise problem during motor driving movement is solved, the user experience is improved, and the noise reduction of telescopic gimbal movement is achieved.
Patent Information
- Application Number
- CN202420049348.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-08
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-08
AI Technical Summary
In a mechanical structure with a motor, slight vibration and noise will occur when the motor drives the moving parts to move, causing resonance between the motor and the moving parts, causing large noise and affecting the user experience.
A shock absorbing mechanism is designed, including a first fixing member, a second fixing member, a bolt, a first elastic member and a second elastic member. By providing an elastic member between the side wall of the bolt and the inner wall of the connecting hole, the bolt is buffered. Radial and axial vibration improves resonance phenomena and reduces noise during the movement of the telescopic gimbal.
It effectively reduces the resonant noise between the bolt and the fixture, improves the user experience, and through the elastic part design that wraps in all directions and increases the contact area, the noise during the movement of the telescopic gimbal is minimized.
Smart Images
Figure CN222254880U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of mechanical equipment, and in particular to a shock absorbing mechanism. Background Art
[0002] In the related art, in a mechanical structure with a motor, the motor drives the moving parts to move. When the motor is running, it will produce tiny vibrations and noises. The motor and the moving parts will resonate. After the resonance, the noise is relatively loud, which affects the user experience. Utility Model Content
[0003] In order to solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a shock absorbing mechanism.
[0004] The present application discloses a shock absorbing mechanism, which may include: a first fixing member, a second fixing member, a bolt, a first elastic member and a second elastic member; specifically, the first fixing member is provided with a first connecting hole; the second fixing member is provided with a second connecting hole; the bolt is passed through the first connecting hole and the second connecting hole; the first elastic member is clamped between the side wall of the bolt and the inner wall of the first connecting hole, and / or the first elastic member is clamped between the side wall of the bolt and the inner wall of the second connecting hole; the second elastic member is arranged on the side wall of the bolt, and the second elastic member includes a first abutting surface and a second abutting surface relative to each other, the first abutting surface abuts against the first fixing member, and the second abutting surface abuts against the second fixing member.
[0005] In this way, by arranging the first elastic member between the side wall of the bolt and the inner wall of the first connection hole and / or the second connection hole, the vibration between the bolt and the first connection hole and / or the second connection hole in the radial direction can be buffered, and by arranging the second elastic member between the first fixing member and the second fixing member, the vibration in the axial direction of the bolt can be buffered. In this way, the resonance phenomenon between the bolt and the first fixing member and / or the second fixing member is improved, the noise during the movement of the telescopic gimbal is reduced, and the user experience is improved.
[0006] In some embodiments of the present application, the first elastic member is formed in a circular ring shape, and the first elastic member is sleeved on the circumferential outer side of the bolt.
[0007] In some embodiments of the present application, the second elastic member is formed in a circular ring shape, and the second elastic member is sleeved on the circumferential outer side of the bolt.
[0008] In some embodiments of the present application, the first elastic member and the second elastic member are integrally formed.
[0009] In some embodiments of the present application, the shock absorbing mechanism also includes: a nut, which cooperates with the bolt thread. In the direction from the nut of the bolt to the nut, the bolt is successively inserted into the first connecting hole and the second connecting hole. The nut is located on the side of the second fixing member away from the first fixing member and cooperates with the bolt thread.
[0010] In some embodiments of the present application, the shock absorbing mechanism also includes: a third elastic member, the third elastic member is arranged on the side wall of the bolt, the third elastic member includes a third abutting surface and a fourth abutting surface, the third abutting surface abuts against the second fixing member, and the fourth abutting surface abuts against the nut.
[0011] In some embodiments of the present application, the third elastic member is formed in a circular ring shape, and the third elastic member is sleeved on the circumferential side surface of the bolt.
[0012] In some embodiments of the present application, the first elastic member, the second elastic member and the third elastic member are integrally formed.
[0013] In some embodiments of the present application, the first fixing member is provided with a first notch, the first notch is connected to the first connecting hole and passes through the circumferential side of the first fixing member, and the first notch is suitable for the bolt to be inserted; the second fixing member is provided with a second notch, the second notch is connected to the second connecting hole and passes through the circumferential side of the second fixing member, and the second notch is suitable for the bolt to be inserted; wherein, in the extension direction of the bolt, the first notch and the second notch are arranged opposite to each other.
[0014] In some embodiments of the present application, the first notch includes a first edge, and the height difference between the first edge and the central axis of the first connecting hole is a first distance, and the first distance is smaller than the radius of the first connecting hole, wherein the first edge is the lower edge of the first notch when it is in the working position; and / or, the second notch includes a second edge, and the height difference between the second edge and the central axis of the second connecting hole is a second distance, and the second distance is smaller than the radius of the second connecting hole, wherein the second edge is the lower edge of the first notch when it is in the working position. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0017] Figure 1 A schematic diagram of a shock absorbing mechanism provided in some embodiments of the present application;
[0018] Figure 2 for Figure 1 A partial schematic diagram of the first fixing member shown in ;
[0019] Figure 3 for Figure 1 A partial schematic diagram of the second fixing member shown in ;
[0020] Figure 4 for Figure 1 A partial schematic diagram of the shock absorbing mechanism shown in ;
[0021] Figure 5 for Figure 4 A cross-sectional view of the shock absorbing mechanism shown in ;
[0022] Figure 6 A schematic diagram of a first elastic member and a second elastic member provided in some embodiments of the present application;
[0023] Figure 7 A schematic diagram of a bolt provided for some embodiments of the present application;
[0024] Figure 8 Schematic diagram of an elastic member, a second elastic member and a third elastic member provided in some embodiments of the present application;
[0025] Fig. 9 for Figure 4 A partial schematic diagram of the first fixing member shown in ;
[0026] Fig.10 for Figure 4 A partial schematic diagram of the second fixing member shown in FIG.
[0027] Reference numerals:
[0028] 100. Shock absorption mechanism;
[0029] 110, first fixing member; 111, first connecting hole; 112, first notch; 1121, first edge;
[0030] 120, second fixing member; 121, second connecting hole; 122, second notch; 1221, second edge;
[0031] 130. Bolts;
[0032] 140, a first elastic member;
[0033] 150, second elastic member; 151, first abutting surface; 152, second abutting surface;
[0034] 160. third elastic member; 161. third abutting surface; 162. fourth abutting surface;
[0035] 170, nut;
[0036] 180, Motor;
[0037] 190. Transmission parts. DETAILED DESCRIPTION
[0038] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.
[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.
[0040] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0041] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.
[0042] In the description of the embodiments of the present application, the term "and / or" refers to and covers any and all possible combinations of one or more of the associated listed items. The term "and / or" is a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present application generally indicates that the associated objects before and after are in an "or" relationship.
[0043] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed connection" means that the two are connected to each other and the relative position relationship after the connection remains unchanged. In addition, the directional terms mentioned in the embodiments of the present application, such as "inside", "outside", etc., are only references to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0044] In the description of the embodiments of the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0045] In the field of laser televisions, in order to meet the position adjustment requirements of laser equipment, a motion structure such as a telescopic pan-tilt is required. Generally, the telescopic motion of the telescopic pan-tilt is driven by a motor 180. By running the motor 180, the overall structure is driven to perform translation or angle adjustment. However, when the motor 180 is running, the motor 180 itself will have slight vibrations and noises, and other structures fixedly connected to the motor 180 will resonate. After the resonance, the noise is relatively high, which affects the user experience.
[0046] In the embodiments of the present application, for the convenience of illustration, the circumferential direction of the bolt 130 is the front-to-back direction, and the upper and lower directions of the actual placement position of the shock absorbing mechanism 100 are the upper and lower directions, and the upper and lower directions are perpendicular to the front-to-back direction.
[0047] To solve the above technical problems, please refer to Figure 1The present application provides a shock absorbing structure, which may include a first fixing member 110, a second fixing member 120, a bolt 130 and a first elastic member 140; specifically, the motor 180 is fixed on the first fixing member 110, and the transmission member 190 transmission-connected to the motor 180 is fixed on the second fixing member 120; the first fixing member 110 is provided with a first connecting hole 111, the second fixing member 120 is provided with a second connecting hole 121, and the bolt 130 is passed through the first connecting hole 111 and the second connecting hole 121; the first elastic member 140 is clamped between the side wall of the bolt 130 and the inner wall of the first connecting hole 111, and / or the first elastic member 140 is clamped between the frontal side wall of the bolt 130 and the inner wall of the second connecting hole 121.
[0048] In some embodiments of this application, please refer to Figure 2 The first elastic member 140 can be clamped between the side wall of the bolt 130 and the inner wall of the first connecting hole 111, and is used to buffer the radial vibration of the bolt 130 and the first fixing member 110 in the bolt 130, thereby improving the resonance noise between the bolt 130 and the first fixing member 110, thereby improving the noise during the operation of the telescopic gimbal and improving the user experience.
[0049] In other embodiments of the present application, please refer to Figure 3 The first elastic member 140 can also be clamped between the side wall of the bolt 130 and the inner wall of the second connecting hole 121 to buffer the radial vibration of the bolt 130 and the second fixing member 120, thereby improving the resonance noise between the bolt 130 and the second fixing member 120, thereby improving the noise during the operation of the telescopic gimbal and improving the user experience.
[0050] In other embodiments of the present application, please refer to Figures 1 to 3 The first elastic member 140 is sandwiched between the side wall of the bolt 130 and the inner wall of the first connecting hole 111, and is also sandwiched between the side wall of the bolt 130 and the inner wall of the second connecting hole 121, and is used to buffer the vibration of the bolt 130 and the first fixing member 110 in the radial direction of the bolt 130, and buffer the vibration of the bolt 130 and the second fixing member 120 in the radial direction of the bolt 130, thereby improving the noise of the telescopic pan head during operation and improving the user experience.
[0051] In some embodiments of the present application, please refer to Figure 4 and Figure 5The shock absorbing mechanism 100 may further include a second elastic member 150, which is disposed on the side wall of the bolt 130. The second elastic member 150 includes a first abutting surface 151 and a second abutting surface 152 which are opposite to each other. The first abutting surface 151 abuts against the first fixing member 110, and the second abutting surface 152 abuts against the second fixing member 120. In this way, by disposing the second elastic member 150 between the first fixing member 110 and the second fixing member 120, the vibration in the axial direction of the bolt 130 can be buffered. In addition, the resonance phenomenon between the bolt 130 and the first fixing member 110 and the second fixing member 120 is improved, the noise during the movement of the telescopic platform is reduced, and the user experience is improved.
[0052] In some embodiments of this application, please refer to Figure 1 and Figure 2 The first elastic member 140 is formed in a circular ring shape, and the first elastic member 140 is sleeved on the circumferential outer side of the bolt 130. In this way, the circumference of the bolt 130 can be fully wrapped to the greatest extent, ensuring the shock absorption of the bolt 130 and the first fixing member 110 in the radial direction of the bolt 130, and better avoiding the resonance between the first fixing member 110 and the bolt 130, thereby reducing the noise during the movement of the telescopic gimbal and improving the user experience.
[0053] Specifically, the first elastic member 140 may be formed in a cylindrical shape, or in a sheet shape, and is disposed around the circumferential side of the bolt 130 .
[0054] In some embodiments of this application, please refer to Figure 1 The second elastic member 150 is formed into a circular shape, and the second elastic member 150 is sleeved on the outer side of the bolt 130 in the circumferential direction. In this way, on the one hand, the second elastic member 150 can wrap the circumference of the bolt 130 in all directions, and even if the bolt 130 is tilted relative to the first connecting hole 111 and the second connecting hole 121, the second elastic member 150 can support the bolt 130. On the other hand, the second elastic member 150 is formed into a ring shape, which can maximize the area of the first abutting surface 151 and the second abutting surface 152, increase the contact area between the second elastic member 150 and the first fixing member 110 and the second fixing member 120, and ensure the maximum buffering effect of the second elastic member 150 on the first fixing member 110 and the second fixing member 120, reduce the influence of the vibration in the axial direction of the bolt 130 on the mechanism, thereby reducing the noise during the movement of the telescopic gimbal and improving the user experience.
[0055] Specifically, the second elastic member 150 may be formed in a cylindrical shape, or in a sheet shape, and is disposed around the circumferential side of the bolt 130 .
[0056] In some embodiments of this application, please refer to Figure 6 , the first elastic member 140 and the second elastic member 150 are integrally formed, so that the first elastic member 140 and the second elastic member 150 can be formed by one-time processing, reducing the number of parts of the shock absorbing mechanism 100 and saving the assembly time between the first elastic member 140 and the second elastic member 150. Specifically, the first elastic member 140 and the second elastic member 150 can be integrally formed by injection molding.
[0057] In some embodiments of this application, please refer to Figure 4 and Figure 5 The shock absorbing mechanism 100 may further include a nut 170, which is threadedly matched with the bolt 130. In the direction from the nut of the bolt 130 to the nut 170, the bolt 130 is sequentially inserted into the first connection hole 111 and the second connection hole 121. The nut 170 is located on the side of the second fixing member 120 away from the first fixing member 110, and is threadedly matched with the bolt 130. In this way, the threaded matching of the nut 170 and the bolt 130 can ensure that the first fixing member 110, the second fixing member 120 and the second elastic member 150 are in contact in the axial direction of the bolt 130, thereby avoiding a gap between the first fixing member 110, the second elastic member 150 and the second fixing member 120, which affects the shock absorbing effect of the second elastic member 150.
[0058] The nut 170 also has an anti-loosening function to prevent the bolt 130 from falling off due to vibration.
[0059] In some embodiments of this application, please refer to Figure 4 and Figure 6 The first fixing member 110 is formed into a rectangular plate shape, and the second fixing member 120 is formed into a rectangular plate shape. The first fixing member 110 and the second fixing member 120 are arranged opposite to each other; a motor 180 is fixedly connected to the first fixing member 110, and a transmission member 190 is fixedly connected to the second fixing member 120. The motor 180 and the transmission member 190 are transmission-connected. In order to ensure that the first fixing member 110 and the second fixing member 120 are arranged in parallel, first connecting holes 111 are arranged at the four corners of the first fixing member 110 formed into a rectangular plate shape, and second connecting holes 121 are arranged at the four corners of the second fixing member 120. The fixation between the first fixing member 110 and the second fixing member 120 is achieved by four sets of bolts 130 and nuts 170.
[0060] Among them, see Figure 7 In order to ensure that the first fixing member 110 is parallel to the second fixing member 120, the bolt 130 may be a half-threaded bolt with the same specification (for example Figure 7As shown in the bolt 130, a semi-threaded bolt refers to a bolt 130 that has a portion of threads and a portion of a bare rod. Thus, when the nut 170 is rotated to the bare rod portion of the bolt 130, it cannot be further tightened, thereby ensuring that the bolt 130 and the nut 170 have the same tightening degree, thereby ensuring the parallelism between the first fixing member 110 and the second fixing member 120.
[0061] In some embodiments of this application, please refer to Figure 4 and Figure 5 The shock absorbing mechanism 100 may further include a third elastic member 160, which is disposed on the side wall of the bolt 130. The third elastic member 160 may include a third abutting surface 161 and a fourth abutting surface 162, wherein the third abutting surface 161 abuts against the second fixing member 120, and the fourth abutting surface 162 abuts against the nut 170. In this way, by disposing the third elastic member 160 between the nut 170 and the second fixing member 120, a hard collision between the nut 170 and the second fixing member 120 can be avoided, the vibration between the second fixing member 120 and the nut 170 can be slowed down, the resonance between the second fixing member 120 and the nut 170 can be avoided, the noise during the operation of the telescopic platform can be reduced, and the user experience can be improved.
[0062] Specifically, the third elastic member 160 may be formed in a cylindrical shape, or in a sheet shape, and is disposed around the circumferential side of the bolt 130 .
[0063] In some embodiments of the present application, the third elastic member 160 is formed in a circular ring shape, and the third elastic member 160 is sleeved on the circumferential side of the bolt 130. In this way, on the one hand, the second elastic member 150 can wrap the circumference of the bolt 130 in all directions, and even if the bolt 130 is tilted relative to the second connecting hole 121, the second elastic member 150 can support the bolt 130. On the other hand, the second elastic member 150 is formed in a ring shape, which can maximize the area of the third abutting surface 161 and the fourth abutting surface 162, increase the contact area between the third elastic member 160 and the second fixing member 120 and the nut 170, and ensure the maximum buffering effect of the third elastic member 160 on the second fixing member 120 and the nut 170, reduce the influence of the vibration in the axial direction of the bolt 130 on the mechanism, thereby reducing the noise during the movement of the telescopic gimbal and improving the user experience.
[0064] In some embodiments of this application, please refer to Figure 8, the first elastic member 140, the second elastic member 150 and the third elastic member 160 are integrally formed, so that the first elastic member 140, the second elastic member 150 and the third elastic member 160 are formed by one-time processing, which reduces the number of parts of the shock absorbing mechanism 100 and saves the assembly time between the first elastic member 140, the second elastic member 150 and the third elastic member 160. Specifically, the first elastic member 140, the second elastic member 150 and the third elastic member 160 can be integrally formed by injection molding.
[0065] In some embodiments of this application, please refer to Fig. 9 and Fig.10 The first fixing member 110 is provided with a first notch 112, the first notch 112 is connected to the first connecting hole 111 and passes through the circumferential side of the first fixing member 110, and the first notch 112 is suitable for the bolt 130 to be inserted; the second fixing member is provided with a second notch 122, the second notch 122 is connected to the second connecting hole 121 and passes through the circumferential side of the second fixing member 120, and the second notch 122 is suitable for the bolt 130 to be inserted; wherein, in the extension direction of the bolt 130, the first notch 112 and the second notch 122 are arranged opposite to each other. In this way, the bolt 130 sleeved with the first elastic member 140 and the second elastic member 150 can be inserted into the first connecting hole 111 and the second connecting hole 121 from the circumferential side of the first fixing member 110 and the second fixing member 120, simplifying the assembly process of the components of the shock absorbing mechanism 100.
[0066] It should be noted that the opening width of the first notch 112 is larger than the radial dimension of the bolt 130, and smaller than the radial dimension of the bolt 130 plus the thickness of the first elastic member 140; the opening width of the second notch 122 is larger than the radial dimension of the bolt 130, and smaller than the radial dimension of the bolt 130 plus the thickness of the first elastic member 140. In this way, it can be ensured that the bolt 130 on which the first elastic member 140 and the second elastic member 150 are mounted can be inserted into the first connecting hole 111 and the second connecting hole 121 from the circumferential side of the first fixing member 110 and the second fixing member 120. At the same time, it is prevented that the bolt 130 on which the first elastic member 140 and the second elastic member 150 are mounted will be detached from the first connecting hole 111 and the second connecting hole 121 during the vibration of the shock absorbing mechanism 100.
[0067] In some embodiments of this application, please refer to Fig. 9 The first notch 112 may include a first edge 1121, and the height difference between the first edge 1121 and the central axis of the first connecting hole 111 is a first distance, and the first distance is smaller than the radius of the first connecting hole 111, wherein the first edge is the lower edge when the first notch 112 is in the working position, so that during the operation of the shock absorbing mechanism 100, the bolt 130 can be prevented from slipping from the first connecting hole 111.
[0068] In some other embodiments of this application, please refer to Fig.10 The second notch 122 may include a second edge 1221, the height difference between the second edge 1221 and the central axis of the second connection hole 121 is a second distance, the second distance is smaller than the radius of the second connection hole 121, wherein the second edge 1221 is the lower edge of the second notch 122 when it is in the working position. In this way, during the operation of the shock absorbing mechanism 100, the bolt 130 can be prevented from slipping off the second connection hole 121.
[0069] In some other embodiments of the present application, the first distance is smaller than the radius of the first connection hole 111, and the second distance is smaller than the radius of the second connection hole 121. In this way, the Luo Shuang can be prevented from slipping from the first connection hole 111 and the second connection hole 121 to the greatest extent.
[0070] The above description is only a specific embodiment of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A shock absorbing mechanism, characterized in that: include: A first fixing member having a first connecting hole; A second fixing member is provided with a second connecting hole; A bolt is inserted into the first connection hole and the second connection hole; a first elastic member, wherein the first elastic member is sandwiched between the side wall of the bolt and the inner wall of the first connecting hole, and / or the first elastic member is sandwiched between the side wall of the bolt and the inner wall of the second connecting hole; A second elastic member, wherein the second elastic member is arranged on a side wall of the bolt, and the second elastic member comprises a first abutting surface and a second abutting surface opposite to each other, wherein the first abutting surface abuts against the first fixing member, and the second abutting surface abuts against the second fixing member.
2. The shock absorbing mechanism according to claim 1, characterized in that: The first elastic member is formed in a circular ring shape, and the first elastic member is sleeved on the outer side of the bolt in the circumferential direction.
3. The shock absorbing mechanism according to claim 1, characterized in that: The second elastic member is formed in a circular ring shape, and the second elastic member is sleeved on the outer side of the bolt in the circumferential direction.
4. The shock absorbing mechanism according to claim 1, characterized in that: The first elastic member and the second elastic member are integrally formed.
5. The shock absorbing mechanism according to claim 1, characterized in that: Also includes: A nut is matched with the bolt thread. In the direction from the nut of the bolt to the nut, the bolt is successively inserted into the first connecting hole and the second connecting hole. The nut is located on the side of the second fixing member away from the first fixing member and is matched with the bolt thread.
6. The shock absorbing mechanism according to claim 5, characterized in that: Also includes: A third elastic member, wherein the third elastic member is arranged on the side wall of the bolt, and the third elastic member comprises a third abutting surface and a fourth abutting surface, wherein the third abutting surface abuts against the second fixing member, and the fourth abutting surface abuts against the nut.
7. The shock absorbing mechanism according to claim 6, characterized in that: The third elastic member is formed in a circular ring shape, and the third elastic member is sleeved on the circumferential side surface of the bolt.
8. The shock absorbing mechanism according to claim 7, characterized in that: The first elastic member, the second elastic member and the third elastic member are integrally formed.
9. The shock absorbing mechanism according to claim 1, characterized in that: The first fixing member is provided with a first notch, the first notch is communicated with the first connecting hole and passes through the circumferential side surface of the first fixing member, and the first notch is suitable for the bolt to be inserted; The second fixing member is provided with a second notch, the second notch is communicated with the second connecting hole and passes through the circumferential side surface of the second fixing member, and the second notch is suitable for the bolt to be inserted; Wherein, in the extending direction of the bolt, the first notch and the second notch are arranged opposite to each other.
10. The shock absorbing mechanism according to claim 9, characterized in that: The first notch includes a first edge, the height difference between the first edge and the central axis of the first connecting hole is a first distance, the first distance is smaller than the radius of the first connecting hole, wherein the first edge is the lower edge of the first notch when it is in the working position; And / or, the second notch includes a second edge, the height difference between the second edge and the central axis of the second connecting hole is a second distance, the second distance is smaller than the radius of the second connecting hole, wherein the second edge is the lower edge of the first notch when it is in the working position.