A shock absorbing device for a bushing

Abstract

The application provides a damping device for a wall bushing, which comprises a connecting mechanism for being fixed to a wall body, a damping mechanism connected to the connecting mechanism, and a mounting mechanism arranged on the damping mechanism for fixing the wall bushing. The damping mechanism comprises a guide rod arranged on the connecting mechanism, a movable part connected to the guide rod, and a buffer part arranged on both sides of the movable part. The movable part is configured to drive the mounting mechanism to move along the guide rod and compress the buffer part to be elastically deformed, so as to buffer the action force. In this way, when the device is in an earthquake working condition, the action force generated by the earthquake will drive the mounting mechanism and the wall bushing to move together, and the action force generated by the earthquake can be buffered by compressing the buffer part to be elastically deformed. Thus, the technical problem of low reliability of the damping equipment in the prior art is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of wall bushing vibration reduction, and in particular relates to a vibration reduction device for a wall bushing. Background Art

[0002] During the installation of lines in a substation, some lines need to pass through the wall of the substation and extend into the substation. In this case, wall bushings need to be installed on the lines to protect them.

[0003] As a typical long cantilever structure, the wall bushing is inherently long, flexible, and heavy. Furthermore, for line installation safety reasons, the wall bushing is installed at a high position, resulting in low overall stability. Especially during earthquakes, the wall bushing can experience significant displacement. During this process, the electrical circuits within the wall bushing are subjected to forces, which can easily cause deformation and damage to the wiring within the bushing, or even disconnect the electrical connection, resulting in power outages.

[0004] Chinese patent CN209448222U discloses a shock-absorbing installation structure for the neutral line wall bushing of an ultra-high voltage converter station. The application document utilizes cross-aluminum twisted ring hardware to achieve shock absorption for the wall bushing body and its electrical connection circuit, thereby meeting the displacement requirements and electrical connection requirements between power equipment under earthquake conditions, thereby improving the seismic performance of the wall bushing body and its electrical connection circuit.

[0005] While this setup effectively improves the seismic performance of the wall bushing and electrical wiring, it primarily relies on controlling the outer diameter of the aluminum stranded wire half-loop in the electrical connector to provide sufficient displacement margin for the bushing and wiring, ensuring that the bushing's displacement during an earthquake does not exceed the specified value. However, the bushing's displacement during an earthquake is often unpredictable, making it difficult to determine the outer diameter of the aluminum stranded wire half-loop, resulting in low reliability. Summary of the Invention

[0006] To overcome at least one or more of the above-mentioned defects in the prior art, the present invention provides a shock absorbing device for a wall bushing, comprising a connecting mechanism for being fixed relative to a wall, a shock absorbing mechanism connected to the connecting mechanism, and a mounting mechanism provided on the shock absorbing mechanism for fixing the wall bushing.

[0007] Among them, the shock absorbing mechanism includes a guide rod arranged on the connecting mechanism, a movable part connected to the guide rod, and a buffer part arranged on both sides of the movable part. The movable part is configured to drive the installation mechanism to move along the guide rod and compress the buffer part to undergo elastic deformation to buffer the force.

[0008] In one embodiment, the movable part includes a sliding member, a connecting member and a fixing member connected together in sequence, the sliding member is used to be sleeved on the guide rod and move along the guide rod, and the fixing member is used to be fixed relative to the mounting mechanism.

[0009] In one embodiment, a groove is provided on the fixing member, and the mounting mechanism includes a protrusion, and the protrusion is configured to cooperate with the groove.

[0010] In one embodiment, a first mounting hole is provided on the fixing member, and a second mounting hole is provided on the protrusion. The first mounting hole and the second mounting hole are arranged to correspond to each other and are used to jointly accommodate a mounting pin that connects the movable part and the mounting mechanism.

[0011] In one embodiment, the mounting mechanism also includes a mounting portion connected to the protrusion, and the mounting portion is defined as a hollow rectangle by a bottom plate, a side plate and a top plate. A mounting plate is arranged in an inclined manner in the mounting portion, and a fixing hole is opened on the mounting plate for setting a wall sleeve.

[0012] In one embodiment, the device further comprises a fixing frame, which is arranged to be fixed relative to the wall and is used to receive the connecting mechanism.

[0013] In one embodiment, the fixing frame is formed into a rectangle by two pairs of parallel connecting rods, and the connecting mechanism includes a first connecting portion arranged around the connecting rod and a second connecting portion fixed relative to the first connecting portion for receiving the shock absorbing mechanism.

[0014] In one embodiment, a first boss is provided on the first connection portion, and a second boss corresponding to the first boss is provided on the second connection portion, and the first boss and the second boss are connected to each other by fixing bolts.

[0015] In one embodiment, fixed heads are provided at both ends of the second connecting portion, and the guide rod is provided in the second connecting portion, so that both ends of the guide rod pass through the wall surface of the second connecting portion and extend to the fixed heads, and form a threaded fit with the fixed heads.

[0016] In one embodiment, the connecting member is made of any material capable of elastic deformation.

[0017] In general, compared with the prior art, the above technical solutions conceived by the invention can achieve at least the following beneficial effects:

[0018] In the present invention, a connecting mechanism fixed relative to the wall and an installation mechanism for fixing the wall sleeve are provided. A guide rod is provided on the connecting mechanism, and a movable part is provided on the guide rod, and a buffer part is provided on both sides of the movable part. At the same time, the movable part is constructed to be able to drive the installation mechanism to move along the guide rod, and compress the buffer part to elastically deform, so as to buffer the force. In this way, when the device is in an earthquake working condition, the force generated by the earthquake will prompt the installation mechanism and the wall sleeve to move together, and in the process, compress the buffer part to elastically deform. At the same time, when the buffer part recovers its elastic deformation, it can apply a force opposite to the movement direction of the installation mechanism to the installation mechanism, thereby buffering the force generated by the earthquake. In this way, the technical problem of low reliability of shock-absorbing equipment in the prior art is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which:

[0020] Figure 1 The overall structure of the shock absorbing device for a wall bushing installed with the wall bushing according to the present invention is schematically shown;

[0021] Figure 2 The overall structure of the shock absorbing device for the wall bushing according to the present invention is schematically shown;

[0022] Figure 3 The cross-sectional structure of the shock absorbing device for the wall bushing according to the present invention is schematically shown;

[0023] Figure 4 The overall structure of the connecting mechanism of the shock absorbing device for the wall bushing according to the present invention is schematically shown;

[0024] Figure 5 The overall structure of the movable portion of the shock absorbing device for the wall bushing according to the present invention is schematically shown;

[0025] Figure 6 The overall structure of the mounting mechanism of the shock absorbing device for the wall bushing according to the present invention is schematically shown.

[0026] It should be noted that the drawings are not necessarily drawn according to the actual scale.

[0027] In all the drawings, the same reference numerals represent the same technical features, specifically: 10-wall sleeve; 100-shock-absorbing device for wall sleeve; 1-connecting mechanism; 11-first connecting part; 111-first boss; 12-second connecting part; 121-second boss; 122-fixing head; 2-shock-absorbing mechanism; 21-guide rod; 22-movable part; 221-sliding part; 2211-through hole; 222-fixing part; 2221-groove; 2222-first mounting hole; 223-connecting part; 23-buffer part; 3-mounting mechanism; 31-bump; 311-second mounting hole; 32-mounting part; 321-bottom plate; 322-side plate; 323-top plate; 324-mounting plate; 325-fixing hole; 4-fixing bracket; 41-connecting rod. DETAILED DESCRIPTION

[0028] In order to better understand the purpose, structure and function of the present invention, the following further describes in detail a shock absorbing device for a wall bushing according to the present invention in conjunction with the accompanying drawings.

[0029] For convenience, the direction parallel to a reference plane such as the ground is referred to as "lateral", "horizontal direction" or similar terms, and the direction perpendicular to the "lateral" is referred to as "vertical", "vertical direction" or similar terms.

[0030] like Figure 1 、 2 As shown, one embodiment of the present invention provides a shock-absorbing device 100 for a wall sleeve, comprising a connecting mechanism 1 fixed relative to a wall (not shown in the figure), a shock-absorbing mechanism 2 fixed relative to the connecting mechanism 1 for buffering the force from the wall, and an installation mechanism 3 connected to the shock-absorbing mechanism 2, wherein the installation mechanism 3 is configured to accommodate the wall sleeve 10 and form a fixed fit with the wall sleeve 10.

[0031] In this arrangement, when an external force acts on the wall, the force is transmitted along the connecting mechanism 1 and the shock absorbing mechanism 2 to the mounting mechanism 3, causing the mounting mechanism 3 and the wall bushing 10 located thereon to move together. During this process, the shock absorbing mechanism 2 cushions the movement of the mounting mechanism 3 and the wall bushing 10, thereby reliably protecting the wall bushing 10 and, in turn, the wiring within the wall bushing 10.

[0032] In one embodiment, Figure 3As shown, the shock absorbing mechanism 2 includes a guide rod 21 that is arranged on the connecting mechanism 1 and is relatively fixed with the connecting mechanism 1. A movable portion 22 is provided on the guide rod 21, and the movable portion 22 is configured to be able to move along the axial direction of the guide rod 21. At the same time, a buffer portion 23 is provided on both sides of the movable portion 22 on the guide rod 21. The buffer portion 23 is made of any material that can undergo elastic deformation. In this embodiment, the buffer portion 23 is configured as a coil spring that is sleeved on the guide rod 21. However, the buffer portion 23 can also be configured as an elastic rubber that is sleeved on the guide rod 21.

[0033] With this arrangement, when the movable portion 22 moves on the guide rod 21, it contacts the buffer portion 23, compressing it and causing it to elastically deform. Simultaneously, as the buffer portion 23 recovers its elastic deformation, it exerts a force on the movable portion 22 in the opposite direction of its movement. In this way, the force acting on the movable portion 22 can be buffered.

[0034] At the same time, if Figure 2 As shown, the mounting mechanism 3 is disposed at the free end of the movable portion 22 and is relatively fixed to the movable portion 22. In this arrangement, when a force is applied to the wall (not shown), the force is transmitted along the connecting mechanism 1 and the shock absorbing mechanism 2 to the mounting mechanism 3, causing the mounting mechanism 3 and the wall sleeve 10 located thereon to move together.

[0035] During this process, the movable portion 22 moves along the guide rod 21, compressing the buffer portion 23 and causing it to elastically deform. At this point, the movable portion 22 is subjected to a force opposing the force from the wall, exerted by the buffer portion 23 as it recovers its elastic deformation. This buffers the force from the wall, reliably protecting the wall bushing 10 and, by extension, the wiring within it.

[0036] In one embodiment, Figure 5 As shown, the movable portion 22 includes a sliding member 221 for connecting to the guide rod 21 and capable of moving axially along the guide rod 21, a fixing member 222 for being fixed relative to the mounting mechanism 3, and a connecting member 223 disposed between the sliding member 221 and the fixing member 222 for connecting the sliding member 221 and the fixing member. In this way, the movable portion 22 can be fixed relative to the mounting mechanism 3, and when the movable portion 22 moves, the mounting mechanism 3 is driven to move synchronously.

[0037] Among them, such as Figure 5As shown, the sliding member 221 is further provided with a through hole 2211, which is configured to cooperate with the guide rod 21. In this way, the sliding member 221 can be inserted into the guide rod 21 through the through hole 2211. As a result, the sliding member 221 can move along the path formed by the guide rod 21.

[0038] At the same time, if Figure 5 As shown, a groove 2221 is provided on the fixing member 222. Figure 6 As shown, a protrusion 31 is provided on the mounting mechanism 3, and the protrusion 31 is configured to cooperate with the groove 2221. In addition, a first mounting hole 2222 is provided on the fixing member 222, and a second mounting hole 311 is provided on the protrusion 31, which corresponds to the first mounting hole 2222. In this way, the protrusion 31 can be set in the groove 2221, and the first mounting hole 2222 and the second mounting hole 311 can correspond to each other. At the same time, a mounting pin (not shown) is inserted along the first mounting hole 2222 into the second mounting hole 311. As a result, the fixing member 222 can be fixed relative to the mounting mechanism 3.

[0039] In addition, if Figure 6 As shown, the mounting mechanism 3 also includes a mounting portion 32 connected to the protrusion 31. The mounting portion 32 is configured to accommodate the wall bushing 10 and be fixed relative to the wall bushing 10. In this embodiment, the mounting portion 32 includes a bottom plate 321, on which are disposed upwardly extending side plates 322. Furthermore, a top plate 323 is disposed on the side plates 322. In this manner, the bottom plate 321, side plates 322, and top plate 323 collectively form a hollow rectangular structure.

[0040] At the same time, if Figure 6 As shown, the mounting mechanism 3 further includes a mounting plate 324 disposed on the outer side of the inner wall of the top plate 323 and extending to the inner side of the inner wall of the bottom plate 321. Specifically, the mounting plate 324 is disposed in an inclined manner within the mounting portion 32 and forms a "Z" shape together with the bottom plate 321 and the top plate 323.

[0041] Among them, such as Figure 6 As shown, the mounting plate 324 is provided with a fixing hole 325, which is configured to accommodate and cooperate with the wall bushing 10. In this manner, the wall bushing 10 can be fixed relative to the mounting mechanism 3 in an inclined manner to meet operational requirements. It should be noted that in actual operation, the wall bushing 10 is installed in an inclined manner.

[0042] In this arrangement, when a force from the wall (not shown) in the lateral direction needs to be buffered, the connecting mechanism 1 is arranged laterally on the wall, and the guide rod 21 is arranged laterally on the connecting mechanism 1. Meanwhile, the movable part 22 is arranged on the guide rod 21, and the buffering part 23 is arranged on both sides of the movable part 22. In addition, the mounting mechanism 3 is arranged on the movable part 22, and the protrusion 31 and the fixing part 222 are fixed to each other by the mounting pin (not shown). Then, the wall penetrating sleeve 10 is connected to the mounting part 32, and the wall penetrating sleeve 10 and the mounting part 32 are fixed to each other.

[0043] In this process, when the wall is subjected to a force in the lateral direction, the force is transmitted to the mounting mechanism 3 through the connecting mechanism 1 and the damping mechanism 2, and the mounting mechanism 3 and the wall penetrating sleeve 10 on the mounting mechanism 3 are driven to move. At this time, the movable part 22 moves laterally along the path formed by the guide rod 21. In this process, the movable part 22 is in contact with the buffering part 23 on the side of the movable part 22, and the buffering part 23 is compressed to elastically deform.

[0044] Meanwhile, the movable part 22 is subjected to a force opposite to the force from the wall, which is applied by the buffering part 23 to restore the elastic deformation. In this way, the force from the wall can be buffered. Thus, the wall penetrating sleeve 10 can be reliably protected in the lateral direction, and the line in the wall penetrating sleeve 10 can be protected.

[0045] According to a preferred embodiment of the present application, the connecting mechanism 1 is arranged in two parallel ways. Meanwhile, the damping mechanism 2 and the protrusion 31 are arranged in a corresponding way with the connecting mechanism 1. In this way, the mounting mechanism 3 can only move in the lateral direction, thereby improving the stability of the mounting mechanism 3. In this arrangement, the damping mechanism 2 in parallel can buffer the force from the wall in the lateral direction. Thus, the damping performance of the device 100 can be further improved.

[0046] However, when a force from the wall (not shown) in the vertical direction needs to be buffered, the connecting mechanism 1 is arranged vertically on the wall, and the damping mechanism 2 is arranged vertically in a corresponding way with the connecting mechanism 1. Meanwhile, the movable part 22 is connected to the mounting mechanism 3, and the wall penetrating sleeve 10 is arranged on the mounting mechanism 3.

[0047] In this arrangement, the buffer portion 23 can undergo elastic deformation in the vertical direction, thereby buffering the vertical force from the wall. In this way, the wall bushing 10 can be protected vertically, and the lines located inside the wall bushing 10 can be protected. It should be noted that the principle of buffering vertical forces is the same as the principle of buffering lateral forces. Therefore, it will not be described here in detail. Preferably, the connecting mechanism 1 and the shock absorbing mechanism 2 can also be arranged in two parallel to each other to improve the vertical shock absorbing performance.

[0048] In one embodiment, Figure 3 As shown, at least two connecting mechanisms 1 are provided and fixed to the wall in a mutually perpendicular manner. Simultaneously, the damping mechanism 2 and the protrusion 31 are arranged correspondingly to the connecting mechanisms 1. In this way, the mounting mechanism 3 can be connected to the damping mechanism 2 both horizontally and vertically.

[0049] The connecting member 223 is made of any material capable of elastic deformation. In this embodiment, the connecting member 223 is configured as at least one coil spring, and the two ends of the coil spring are respectively connected to the sliding member 221 and the fixing member 222.

[0050] In this setting mode, when the device 100 receives a lateral force from a wall (not shown in the figure), the force will be continuously transmitted to the mounting mechanism 3 and prompt the mounting mechanism 3 to move in the lateral direction. In this process, on the laterally arranged shock-absorbing mechanism 2, the fixing member 222 can transmit the force to the movable member 221 along the connecting member 223, and make the movable member 221 move laterally along the guide rod 21, and after the movable member 221 and the buffer portion 23 abut against each other, the buffer portion 23 is compressed to elastically deform. At the same time, in the lateral direction, the movable member 221 will also be subjected to the force of the buffer portion 23 to restore the elastic deformation. In this way, the lateral force from the wall is buffered.

[0051] Furthermore, on the vertically mounted shock-absorbing mechanism 2, the fixing member 222 moves synchronously with the mounting mechanism 3. During this process, the fixing member 222 compresses or stretches the connecting member 223 disposed between the fixing member 222 and the sliding member 221, causing elastic deformation. Simultaneously, the fixing member 222 is also subjected to the force of the connecting member 223 restoring its elastic deformation, further buffering the vertical force acting on the wall.

[0052] However, when the device 100 receives a vertical force from a wall (not shown), this force will cause the mounting mechanism 3 to move vertically. During this process, on the vertically arranged shock-absorbing mechanism 2, the fixing member 222 can transmit the force along the connecting member 223 to the movable member 221, causing the movable member 221 to move vertically along the guide rod 21. After contacting the buffer portion 23, the movable member 221 is compressed and elastically deformed. At the same time, in the vertical direction, the movable member 221 is also subjected to the force of the buffer portion 23 to restore its elastic deformation. In this way, the vertical force from the wall is buffered.

[0053] Furthermore, on the horizontally arranged shock-absorbing mechanism 2, the fixing member 222 will move synchronously with the mounting mechanism 3. During this process, the fixing member 222 will compress or stretch the connecting member 223 disposed between the fixing member 222 and the sliding member 221, causing elastic deformation. Simultaneously, the fixing member 222 will also be subjected to the force of the connecting member 223 restoring its elastic deformation, thereby further buffering the vertical force acting on the wall. In this way, both horizontal and vertical forces acting on the wall can be buffered, thereby improving the shock-absorbing performance of the device 100.

[0054] According to a preferred embodiment of the present invention, the connecting member 223 is configured as four coil springs, with each of the four coil springs positioned in pairs between the sliding member 221 and the fixing member 222, and relatively fixed to the sliding member 221 and the fixing member 222. In this manner, when a force is applied to the connecting member 223, all four coil springs can transmit the force. This allows for more stable force transmission. Furthermore, the fact that each coil spring can transmit the force also improves the stability of the device 100.

[0055] According to a preferred embodiment of the present invention, Figure 3 As shown, two movable parts 22 are provided, each of which is inserted through the guide rod 21, and the protrusions 31 are arranged to correspond to the movable parts 22. Furthermore, three buffer parts 23 are provided, one on each side of the movable part 22. In this way, the force acting on the wall can be further buffered.

[0056] In one embodiment, Figure 2As shown, the device 100 also includes a fixing frame 4, which is configured to be fixed to a wall (not shown) and is used to receive each connecting mechanism 1. In this arrangement, it is easy to install a plurality of connecting mechanisms 1. In addition, the parallel and perpendicular relationships between the plurality of connecting mechanisms 1 can be ensured, so that the shock absorbing mechanism 2 connected to the connecting mechanism 1 can stably buffer the force from the wall. In this embodiment, the fixing frame 4 is made of two pairs of connecting rods 41 parallel to each other. In this way, the two pairs of connecting rods 41 parallel to each other together constitute a rectangular structure for installing the connecting mechanism 1.

[0057] Among them, such as Figure 4 As shown, the connecting mechanism 1 includes a first connecting portion 11 disposed around the connecting rod 41, and a second connecting portion 12 fixed relative to the first connecting portion 11. The second connecting portion 12 is configured as a hollow rectangular structure, within which the shock absorbing mechanism 2 is disposed. This protects the shock absorbing mechanism 2, thereby preventing interference between the shock absorbing mechanism 2 and external equipment, which could affect its damping performance.

[0058] At the same time, if Figure 4 As shown, a first boss 111 extends outward from the free end of the first connecting portion 11, and a second boss 121 extends outward. The first boss 111 and the second boss 121 correspond to each other, and corresponding connecting holes (not shown in the figure) are formed on the first boss 111 and the second boss 121. Fixing bolts (not shown in the figure) can be optionally set in the connecting holes. In this arrangement, the first connecting portion 11 and the second connecting portion 12 can be relatively fixed together in an optional manner by the fixing bolts. In this way, the connecting mechanism 1 can be relatively fixed to the connecting rod 41 in an optional manner.

[0059] According to a preferred embodiment of the present invention, Figure 4 As shown, a fixing head 122 is provided at each end of the second connecting portion 12. The guide rod 21 is disposed within the second connecting portion 12, with both ends of the guide rod 21 extending through the wall of the second connecting portion 12 to the fixing heads 122, and forming a threaded engagement with the fixing heads 122. In this manner, the shock absorbing mechanism 2 can be removed from the connecting assembly 1, thereby facilitating replacement of the shock absorbing assembly 2.

[0060] The operation of the shock absorbing device 100 for a wall bushing according to the present invention is as follows.

[0061] Firstly, the fixed frame 4 is set on the wall (not shown in the figure) and is relatively fixed with the wall. Meanwhile, four connecting mechanisms 1 are set and the first connecting part 11 is set on each connecting rod 41 respectively. And the second connecting part 12 is set on the opposite side of the first connecting part 11 and the first connecting part 11 and the second connecting part 12 are relatively fixed with each other by the fixed bolt (not shown in the figure) so that the connecting mechanism 1 is relatively fixed on the fixed frame 4.

[0062] Secondly, the movable part 22 is set in each second connecting part 12 and the buffer part 23 is set on both sides of each movable part 22 respectively. Then, the guide rod 21 is set in the second connecting part 12 and the movable part 22 and the buffer part 23 are set on the guide rod 21. Meanwhile, the guide rod 21 is screwed with the fixed head 122 on the second connecting part 12.

[0063] Finally, the free end of the movable part 22 is connected with each lug 31 on the mounting mechanism 3 and the movable part 22 and the lug 31 are fixed with each other by the mounting pin (not shown in the figure). Thus, the assembling of the device 100 is completed. At this time, the through-wall sleeve 10 can be set on the mounting plate 324 and the through-wall sleeve 10 is relatively fixed with the mounting plate 324.

[0064] When the device 100 receives the force from the wall (not shown in the figure) in the horizontal direction, the force will be continuously transmitted to the mounting mechanism 3 and the mounting mechanism 3 will move in the horizontal direction. In this process, the movable part 22 will move in the horizontal direction along the guide rod 21 and compress the buffer part 23 to be elastically deformed on the shock-absorbing mechanism 2 set in the horizontal direction. Meanwhile, the movable part 22 will also be subjected to the force in the opposite direction of the movement direction of the movable part 22 by the buffer part 23 recovering the elastic deformation. Thus, the horizontal force from the wall is buffered.

[0065] In addition, on the shock-absorbing mechanism 2 set in the vertical direction, the fixed part 222 will move synchronously with the mounting mechanism 3. In this process, the fixed part 222 will compress the connecting part 223 in the same direction of the movement direction of the mounting mechanism 3 to be elastically deformed and stretch the connecting part 223 in the opposite direction of the movement direction of the mounting mechanism 3 to be elastically deformed. At this time, the fixed part 222 will be subjected to the force of the connecting part 223 recovering the elastic deformation so as to further buffer the horizontal force from the wall.

[0066] However, when the device 100 receives a vertical force from a wall (not shown in the figure), the force will drive the installation mechanism 3 to move vertically. During this process, the vertically arranged shock-absorbing mechanism 2 will buffer the force. Moreover, during the vertical movement of the installation mechanism 3, the horizontally arranged connector 223 will also undergo elastic deformation of compression and tension, and when the connector 223 recovers its elastic deformation, the vertical force from the wall will be further buffered. In this way, both the horizontal and vertical forces from the wall can be buffered. In this way, the wall bushing 10 can be reliably protected, and the lines located in the wall bushing 10 can be protected.

[0067] It will be understood that the present invention is described by way of some embodiments, and it will be appreciated by those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A shock absorbing device for a wall bushing, characterized in that: It comprises a connecting mechanism (1) for being fixed relative to a wall, a shock absorbing mechanism (2) connected to the connecting mechanism (1), and a mounting mechanism (3) arranged on the shock absorbing mechanism (2) for fixing a wall sleeve (10). There are at least two connecting mechanisms (1) and at least two shock absorbing mechanisms (2), and the connecting mechanisms (1) are arranged in both the horizontal and vertical directions. The shock absorbing mechanism (2) is connected to each connecting mechanism (1). The shock absorbing mechanism (2) comprises a guide rod (21) arranged on the connecting mechanism (1), a movable portion (22) connected to the guide rod (21), and a buffer portion (23) arranged on both sides of the movable portion (22). The movable portion (22) is configured to drive the mounting mechanism (3) to move along the guide rod (11) and compress the buffer portion (23) to cause elastic deformation to buffer the acting force. The movable portion (22) includes a sliding member (221), a connecting member (223), and a fixing member (222) connected together in sequence. The sliding member (221) is used to be sleeved on the guide rod (11) and move along the guide rod (11). The fixing member (222) is used to be fixed relative to the mounting mechanism (3). The connecting member (223) is made of any material that can undergo elastic deformation. A groove (2221) is provided on the fixing member (222), and the mounting mechanism (3) includes a protrusion (31), and the protrusion (31) is configured to cooperate with the groove (2221). A first mounting hole (2222) is also provided on the fixing member (222), and a second mounting hole (311) is provided on the protrusion (31). The first mounting hole (2222) and the second mounting hole (311) are arranged to correspond to each other and are used to jointly accommodate a mounting pin that connects the movable part (22) and the mounting mechanism (3).

2. The shock absorbing device for wall bushing according to claim 1, characterized in that: The mounting mechanism (3) further comprises a mounting portion (32) connected to the protrusion (31); the mounting portion (32) is defined by a bottom plate (321), a side plate (322), and a top plate (323) to form a hollow rectangle; a mounting plate (324) is arranged in an inclined manner within the mounting portion (32); a fixing hole (325) is provided on the mounting plate (324) for arranging a wall bushing (10).

3. The shock absorbing device for wall bushing according to claim 1 or 2, characterized in that: The device further comprises a fixing frame (4), wherein the fixing frame (4) is arranged to be fixed relative to the wall and is used to receive the connecting mechanism (1).

4. The shock absorbing device for wall bushing according to claim 3, characterized in that: The fixing frame (4) is formed into a rectangle by two pairs of parallel connecting rods (41), and the connecting mechanism (1) includes a first connecting portion (11) arranged around the connecting rod (41), and a second connecting portion (12) fixed relative to the first connecting portion (11) for receiving the shock absorbing mechanism (2).

5. The shock absorbing device for wall bushing according to claim 4, characterized in that: A first boss (111) is provided on the first connecting portion (11), and a second boss (121) corresponding to the first boss (111) is provided on the second connecting portion (12); the first boss (111) and the second boss (121) are connected to each other via fixing bolts.

6. The shock absorbing device for wall bushing according to claim 5, characterized in that: Fixed heads (122) are provided at both ends of the second connecting portion (12), and the guide rod (21) is arranged in the second connecting portion (12), so that both ends of the guide rod (21) pass through the wall surface of the second connecting portion (12) and extend to the fixed heads (122), and form a threaded fit with the fixed heads (122).

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