Outdoor lighting equipment support
By designing a lifting and adjusting mechanism, a fixed locking mechanism, and a locking auxiliary mechanism, the problem of the outdoor lighting equipment bracket's inflexible height adjustment is solved, achieving flexible height adjustment and a stable connection, thus improving the equipment's adaptability and ease of use.
Patent Information
- Application Number
- CN202520146915.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing outdoor lighting equipment brackets cannot flexibly adjust their height according to different usage scenarios, and the adjusted position is not easy to fix, with the fixing process being complex and unstable.
An outdoor lighting equipment bracket was designed, comprising a lifting and adjusting mechanism, a fixing and snapping mechanism, and a snapping auxiliary mechanism. Through the sliding cooperation of the adjusting rod and the guide sleeve, the fixing design of the multi-level slots and snapping rods, combined with the auxiliary operation of the rotating disk and the slope groove, the bracket achieves flexible height adjustment and stable connection.
It enables flexible adjustment of the height of lighting equipment to meet the needs of different scenarios, improves the stability and ease of use of the equipment, and extends its service life.
Smart Images

Figure CN223663278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to support technical field, more specifically, it relates to an outdoor lighting equipment support. BACKGROUND
[0002] The existing outdoor lighting equipment support can adopt the design of fixed height, and the height cannot be flexibly adjusted according to different use scene requirements. For different use scenes, such as outdoor construction, camping, rescue or activity site, the required illumination coverage and height will be different, and the support with fixed height cannot meet the diversified needs, thereby reducing the adaptability and practicality of the equipment.
[0003] In some supports with height adjustment function, the fixing mechanism design can be relatively simple, such as fixed by screw, nut or mechanical clamping groove. These traditional fixing methods have certain limitations, and some existing support fixing mechanisms can adopt multi-component combination design, for example, the user needs to tighten the screw, adjust the locking clamping groove and operate multiple components to realize the fixing. This multi-step operation method not only consumes time and effort, but also easily leads to poor support fixing effect due to improper operation.
[0004] The friction between the adjustment part of the support and the fixing component is insufficient, or the design size precision of the fixing component is not high, and the adjusted height can slide due to the gravity of the equipment or external interference, affecting the use effect INVENTION CONTENT
[0005] (I) Technical problem solved
[0006] In view of the problems existing in the prior art, the utility model provides an outdoor lighting equipment support to solve the technical problems that the support cannot be adjusted in height, the adjusted position is not easy to fix, and the fixing process is complex in the background art.
[0007] (II) Technical scheme
[0008] In order to achieve the above object, the utility model provides the following technical scheme: an outdoor lighting equipment support, including lighting component, lift adjusting mechanism, fixed clamping mechanism and clamping auxiliary mechanism, the lift adjusting mechanism includes mounting bracket, adjusting rod, guide bushing, fixed block and adjusting hole, the guide bushing is installed on the side surface of mounting bracket, the adjusting rod is arranged in the directional sliding of guide bushing, the fixed block is installed on the side wall of guide bushing, a plurality of adjusting holes are arranged on the adjusting rod, the fixed clamping mechanism includes clamping pipe, clamping rod, multistage clamping groove, clamping rod, push spring and guide block, the clamping pipe is fixedly installed on the side surface of fixed block, the clamping rod passes through the other end surface of fixed block and adjusting hole, further extends into the inside of clamping pipe, the multistage clamping groove is arranged on the side wall of clamping rod, the clamping rod is transversely slid and is arranged on the side wall of clamping pipe, the push spring is installed between the inner wall of clamping pipe and one end of clamping rod, the guide block is installed on one end of clamping rod, and the push spring can push the clamping rod into the multistage clamping groove.
[0009] The utility model further sets up, clamping auxiliary mechanism includes rotary disc, gradient groove, rotary block, swivel ring, press into groove, fixed frame and pressure spring frame, rotary disc limit rotation installs on the outer wall of clamping pipe, gradient groove sets up on rotary disc, and the gradient groove of rotation can push guide block, makes clamping rod away from clamping groove, rotary block installs at the bottom end of rotary disc, swivel ring installs on the side surface of rotary block, press into groove sets up on swivel ring, fixed frame fixedly installs on the side wall of clamping pipe, and fixed frame is installed on the upper and lower ends of swivel ring, and pressure spring frame installs on fixed frame, and pressure spring frame can gradually extend into press into groove, and makes rotary block and rotary disc support rotation setting.
[0010] The utility model further sets up, the mounting hole is seted up on the mounting bracket, and the bolt can pass through the mounting hole and fix the mounting bracket in the required position, the support is fixed in the required position through the mounting hole and the bolt, ensure the stability and security of the whole device.
[0011] The utility model further sets up, one end of adjusting rod is equipped with bottom plate, and the top end of bottom plate is equipped with top plate, and bottom plate provides stable basic support for equipment, improves the stability of connecting with adjusting rod at the same time, ensures the wind resistance and security of equipment in outdoor use, and top plate provides installation base for lighting component, and cooperates with support plate, further enhances the structural strength of equipment whole.
[0012] The utility model further sets up, the both ends of top plate are equipped with support plate, and support plate is equipped with rotary plate, and the both ends of rotary plate are rotatably installed on support plate, and lighting component is installed on the top end surface of rotary plate.
[0013] The present invention is further configured such that a rotating motor is installed on one end face of the support plate, and the output end of the rotating motor extends through the support plate and is connected to one end of the rotating plate. The rotating motor drives the rotating plate to realize automated angle adjustment, reducing manual intervention and improving the intelligence and ease of use of the equipment.
[0014] The present invention is further configured such that a connecting plate is installed at the bottom of the side wall of the clamping tube, and the connecting plate is fixedly installed on one end face of the fixing block. The connecting plate securely installs the clamping tube on the fixing block, playing a connecting and supporting role, and ensuring that the equipment maintains overall stability during lifting, adjustment or rotation.
[0015] The present invention is further configured such that a support bearing is installed at the top end of the connecting plate, and the bottom end of the rotating block is connected to the top end of the support bearing. The support bearing provides support and rotation guidance for the rotating block, ensuring smooth operation of the rotating structure, reducing mechanical wear, and extending the service life of the equipment.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides an outdoor lighting equipment bracket, which has the following features:
[0018] Beneficial effects:
[0019] This utility model is equipped with a lifting and adjusting mechanism. The lifting and adjusting mechanism realizes flexible adjustment of the height of the lighting component through the sliding cooperation of the adjusting rod and the guide sleeve, as well as the multi-level fixing design of the adjusting hole. The mechanism is easy to operate and can quickly adjust the height of the lighting equipment according to actual needs to meet the lighting needs in different scenarios. At the same time, the stable connection of the fixing block and multiple sets of adjusting holes ensures the structural stability after adjustment, enhancing the reliability and safety of the equipment in the outdoor environment.
[0020] This utility model is equipped with a fixing and locking mechanism. The fixing and locking mechanism, through the cooperation of the locking rod, multi-level locking groove and locking rod, enables the device to be fixed or unlocked quickly and reliably. The multi-level locking groove design provides multiple locking positions to meet different usage needs. At the same time, the elasticity of the push spring makes the locking tighter and more stable, preventing the device from loosening during adjustment or use, and improving the overall robustness and safety of the device.
[0021] The utility model discloses a clamping auxiliary mechanism, and the clamping auxiliary mechanism is designed through rotating disc, gradient groove and compression spring frame and the structure, so that it is more relaxed and efficient in the clamping or unlocking process, and the mechanism realizes the auxiliary operation of automation or semi-automation through the ingenious design of mechanical structure, not only reduces the complexity of manual operation, but also improves the use convenience and efficiency of equipment, simultaneously, the clamping auxiliary mechanism provides good support and orientation in the rotating structure, guarantees the stability of the whole device operation, reduces the mechanical wear and tear, thereby prolongs the service life of equipment. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the whole structure schematic diagram of the device in the utility model in unused state.
[0023] Figure 2 It is the structure schematic diagram of the device in different visual angle in the utility model.
[0024] Figure 3 It is the structure schematic diagram of the lifting adjusting mechanism in the utility model.
[0025] Figure 4 It is the structure schematic diagram of the fixed clamping mechanism and the clamping auxiliary mechanism in the utility model.
[0026] Figure 5 It is the structure schematic diagram of the fixed clamping mechanism and the clamping auxiliary mechanism inside in the utility model.
[0027] In the drawing: 1, lighting assembly, 2, mounting frame, 3, adjusting rod, 4, guide sleeve, 5, fixed block, 6, adjusting hole, 7, clamping pipe, 8, clamping rod, 9, multistage clamping groove, 10, clamping rod, 11, push spring, 12, guide block, 13, rotating disc, 14, gradient groove, 15, rotating block, 16, swivel ring, 17, press-in groove, 18, fixed frame, 19, compression spring frame, 20, mounting hole, 21, bottom plate, 22, top plate, 23, support plate, 24, rotating plate, 25, rotating motor, 26, connecting plate, 27, support bearing. DETAILED DESCRIPTION
[0028] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0030] In the utility model, in the case that no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left, right shown in the drawing; "inner, outer" refers to the inner, outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0031] Please refer to Figures 1-5 An outdoor lighting equipment support, including lighting assembly 1, lifting adjusting mechanism, fixed clamping mechanism and clamping auxiliary mechanism, lifting adjusting mechanism includes mounting frame 2, adjusting rod 3, guide sleeve 4, fixed block 5 and adjusting hole 6, guide sleeve 4 is installed on the side of mounting frame 2, adjusting rod 3 is oriented slidingly arranged in guide sleeve 4, fixed block 5 is installed on the side wall of guide sleeve 4, a plurality of adjusting holes 6 are arranged on adjusting rod 3, fixed clamping mechanism includes clamping pipe 7, clamping rod 8, multi-stage clamping groove 9, clamping rod 10, push-in spring 11 and guide block 12, clamping pipe 7 is fixedly installed on the side of fixed block 5, clamping rod 8 passes through the other end surface of fixed block 5 and adjusting hole 6, further extends into the inside of clamping pipe 7, multi-stage clamping groove 9 is arranged on the side wall of clamping rod 8, clamping rod 10 is transversely slidingly arranged on the side wall of clamping pipe 7, push-in spring 11 is installed between the inner wall of clamping pipe 7 and one end of clamping rod 8, guide block 12 is installed on one end of clamping rod 10, push-in spring 11 can push clamping rod 10 into multi-stage clamping groove 9.
[0032] In the embodiment, adjusting rod 3 passes through guide sleeve 4 installed on the side of mounting frame 2 and can be oriented slidingly arranged in guide sleeve 4, the user manually or by means of tool pushes adjusting rod 3, makes adjusting rod 3 slide up and down in guide sleeve 4, changes the height of support, adjusting rod 3 side wall is provided with a plurality of adjusting holes 6, the user can select a suitable height, when adjusting rod 3 slides to the target height, fixed block 5 is aligned with the adjusting hole 6 of adjusting rod 3, then the clamping rod 8 of fixed clamping mechanism passes through adjusting hole 6, fixes adjusting rod 3 at the current height, ensures the stability after adjustment, firmly fixes adjusting rod 3 in guide sleeve 4 and supports multi-section height adjustment, when the user slides adjusting rod 3, push-in spring 11 makes clamping rod 10 disengage from the original clamping groove, when adjusting rod 3 slides to the target height and is aligned with the new clamping groove, the elastic force of push-in spring 11 pushes clamping rod 10 to embed in the new clamping groove again, completes the locking of position, clamping rod 10 is gradually clamped in multi-stage clamping groove 9, avoids that adjusting rod 3 loosens or slides in the use process.
[0033] The clamping auxiliary mechanism comprises a rotating disc 13, a slope groove 14, a rotating block 15, a rotating ring 16, a pressing groove 17, a fixing frame 18 and a compression spring frame 19. The rotating disc 13 is limitingly and rotatably installed on the outer wall of the clamping pipe 7. The slope groove 14 is arranged on the rotating disc 13. The rotating slope groove 14 can push the guide block 12, so that the clamping rod 10 is away from the clamping groove. The rotating block 15 is installed at the bottom end of the rotating disc 13. The rotating ring 16 is installed on the side surface of the rotating block 15. The pressing groove 17 is arranged on the rotating ring 16. The fixing frame 18 is fixedly installed on the side wall of the clamping pipe 7. The fixing frame 18 is symmetrically installed on the upper and lower ends of the rotating ring 16. The compression spring frame 19 is installed on the fixing frame 18. The compression spring frame 19 can be gradually inserted into the pressing groove 17, so that the rotating block 15 and the rotating disc 13 are rotatably supported.
[0034] In the embodiment, the user can control the operation of the entire clamping auxiliary mechanism by rotating the rotating disc 13. The slope groove 14 can push the guide block 12 in contact with it during rotation. When the guide block 12 is pushed by the slope groove 14, the guide block 12 further pushes the clamping rod 10, so that the clamping rod 10 is separated from the clamping groove, and the unlocking is completed. After unlocking, the user can slide the adjusting rod 3 to the target position, and stop rotating the rotating disc 13. The slope groove 14 and the guide block 12 return to the initial state. The push-in spring 11 pushes the clamping rod 10 to re-embed into the new clamping groove, and the fixing is completed. The bottom of the rotating disc 13 is provided with the rotating block 15. The side surface of the rotating block 15 is provided with the rotating ring 16. The compression spring frame 19 is connected with the rotating ring 16. During the auxiliary operation, the compression spring frame 19 is gradually inserted into the pressing groove 17, so that the rotating block 15 and the rotating disc 13 can be stably supported and flexibly rotated.
[0035] Please refer to Figures 1-5 , as a kind of outdoor lighting equipment support supplementary embodiment of lifting adjusting mechanism, fixed clamping mechanism and clamping auxiliary mechanism: mounting frame 2 is provided with mounting hole 20, and bolt can pass through mounting hole 20 and be fixed in the desired position of mounting frame 2, one end of adjusting rod 3 is provided with bottom plate 21, and the top end of bottom plate 21 is provided with top plate 22, the both ends of top plate 22 are symmetrically provided with support plate 23, and rotating plate 24 is installed on support plate 23, the both ends of rotating plate 24 are rotatably installed on support plate 23, and lighting assembly 1 is installed on the top end surface of rotating plate 24, rotating motor 25 is installed on one end surface of support plate 23, the output end of rotating motor 25 extends through support plate 23 and is connected with one end of rotating plate 24, the bottom end of the side wall of clamping pipe 7 is provided with connecting plate 26, and connecting plate 26 is fixedly installed on one end surface of fixed block 5, the top end of connecting plate 26 is provided with support bearing 27, and the bottom end of rotating block 15 is connected with the top end of support bearing 27.
[0036] More specifically, the mounting bracket 2 is fixed in the desired position by using bolts through the mounting holes 20 on the mounting bracket 2 to ensure the stability of the bracket, the connecting plate 26 and the support bearing 27 cooperate to further enhance the fixing effect, the user operates the lifting adjustment mechanism to adjust the height of the bracket by sliding the adjustment rod 3, the adjustment rod 3 slides directionally in the guide sleeve 4 and is locked in the target position by the multi-stage clamping groove 9 of the fixed clamping mechanism, the fixed clamping mechanism firmly clamps the adjustment rod 3 at the selected height position by the push-in spring 11 and the clamping rod 10, if the height needs to be adjusted, the user can rotate the rotating disc 13 of the clamping auxiliary mechanism to make the slope groove 14 push the guide block 12 to complete the unlocking, stop rotating the rotating disc 13 after adjusting the height, the push-in spring 11 pushes the clamping rod 10 to re-embed the clamping groove, and the locking is completed, the support plate 23 is installed at both ends of the top plate 22, the rotating plate 24 on the support plate 23 is used to install the lighting assembly 1, the rotating plate 24 can rotate around the rotating shaft on the support plate 23, the lighting direction is changed by adjusting the angle, and the rotating motor 25 is installed at one end of the support plate 23 and connected with the rotating plate 24, so that the user can accurately adjust the angle of the lighting assembly 1 through the rotating motor 25.
[0037] In summary, when the lifting adjustment mechanism needs to be operated, the height of the bracket is adjusted to adapt to different use scenarios and lighting needs, the adjustment rod 3 passes through the guide sleeve 4 installed on the side of the mounting bracket 2 and can slide directionally in the guide sleeve 4, the user manually or with the help of tools pushes the adjustment rod 3 to make the adjustment rod 3 slide up and down in the guide sleeve 4 to change the height of the bracket, a plurality of adjustment holes 6 are arranged on the side wall of the adjustment rod 3, the user can select a suitable height, when the adjustment rod 3 slides to the target height, the fixing block 5 is aligned with the adjustment hole 6 of the adjustment rod 3, and then the clamping rod 8 of the fixed clamping mechanism is clamped through the adjustment hole 6 to fix the adjustment rod 3 at the current height, ensuring the stability after adjustment.
[0038] When the fixed clamping mechanism needs to be operated, the adjustment rod 3 is firmly fixed in the guide sleeve 4 by the multi-stage clamping method and supports multi-segment height adjustment, when the user slides the adjustment rod 3, the push-in spring 11 makes the clamping rod 10 disengage from the original clamping groove, when the adjustment rod 3 slides to the target height and aligns with the new clamping groove, the elastic force of the push-in spring 11 pushes the clamping rod 10 to re-embed the new clamping groove, completing the locking of the position, the clamping rod 10 is clamped in the multi-stage clamping groove 9 stage by stage to avoid the adjustment rod 3 from loosening or falling off during use.
[0039] When the operation of the clamping auxiliary mechanism is needed, the user can control the operation of the entire clamping auxiliary mechanism by rotating the rotating disc 13, and the slope groove 14 can push the guide block 12 in contact with it during rotation. When the guide block 12 is pushed by the slope groove 14, the guide block 12 further pushes the clamping rod 10, so that the clamping rod 10 is separated from the clamping groove, and the unlocking is completed. After unlocking, the user can slide the adjusting rod 3 to the target position, and stop rotating the rotating disc 13. The slope groove 14 and the guide block 12 return to the initial state, the push-in spring 11 pushes the clamping rod 10 to re-embed into the new clamping groove, and the fixing is completed. The bottom of the rotating disc 13 is provided with a rotating block 15, the side surface of the rotating block 15 is provided with a rotating ring 16, and the rotating ring 16 is connected with a compression spring frame 19. During the auxiliary operation, the compression spring frame 19 gradually extends into the pressing groove 17, so that the rotating block 15 and the rotating disc 13 can be stably supported and flexibly rotated.
[0040] The mounting holes 20 on the mounting frame 2 are used to fix the mounting frame 2 at the required position by using bolts, so as to ensure the stability of the bracket. The connecting plate 26 and the support bearing 27 are matched to further enhance the fixing effect. The user operates the lifting adjusting mechanism to adjust the height of the bracket by sliding the adjusting rod 3. The adjusting rod 3 is directionally slid in the guide sleeve 4 and is locked at the target position by the multi-stage clamping groove of the fixed clamping mechanism. The fixed clamping mechanism firmly clamps the adjusting rod 3 at the selected height position by the push-in spring 11 and the clamping rod 10. If the height needs to be adjusted, the user can rotate the rotating disc 13 of the clamping auxiliary mechanism, so that the slope groove 14 pushes the guide block 12 to complete the unlocking. After adjusting the height, the rotating disc 13 is stopped, the push-in spring 11 pushes the clamping rod 10 to re-embed into the clamping groove, and the locking is completed. The support plates 23 are installed at both ends of the top plate 22, and the rotating plate 24 on the support plate 23 is used to install the lighting assembly 1. The rotating plate 24 can rotate around the rotating shaft on the support plate 23, and the angle is adjusted to change the lighting direction. The rotating motor 25 is installed at one end of the support plate 23 and is connected with the rotating plate 24. The user can accurately adjust the angle of the lighting assembly 1 by rotating the rotating motor 25.
[0041] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here. In the above, when the fixed connection is involved, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An outdoor lighting equipment bracket, comprising a lighting component (1), a lifting and adjusting mechanism, a fixing and snapping mechanism, and a snapping auxiliary mechanism, characterized in that: The lifting and adjusting mechanism includes a mounting frame (2), an adjusting rod (3), a guide sleeve (4), a fixing block (5), and adjusting holes (6). The guide sleeve (4) is installed on the side of the mounting frame (2), the adjusting rod (3) is directionally slidable inside the guide sleeve (4), the fixing block (5) is installed on the side wall of the guide sleeve (4), and multiple sets of adjusting holes (6) are provided on the adjusting rod (3). The fixing and snapping mechanism includes a snapping tube (7), a snapping rod (8), a multi-stage snapping groove (9), a snapping rod (10), a push spring (11), and... The guide block (12) and the snap-fit tube (7) are fixedly installed on the side of the fixed block (5). The snap-fit rod (8) passes through the other end face of the fixed block (5) and the adjustment hole (6) and extends further into the interior of the snap-fit tube (7). The multi-level snap-fit groove (9) is set on the side wall of the snap-fit rod (8). The snap-fit rod (10) is laterally slidably installed on the side wall of the snap-fit tube (7). The push-in spring (11) is installed between the inner wall of the snap-fit tube (7) and one end of the snap-fit rod (8). The guide block (12) is installed on one end of the snap-fit rod (10).
2. The outdoor lighting equipment bracket according to claim 1, characterized in that: The locking auxiliary mechanism includes a rotating disk (13), a slope groove (14), a rotating block (15), a rotating ring (16), a pressing groove (17), a fixing frame (18), and a compression spring frame (19). The rotating disk (13) is rotatably mounted on the outer wall of the locking tube (7). The slope groove (14) is set on the rotating disk (13), and the rotating slope groove (14) can push the guide block (12) to make the locking rod (10) move away from the locking groove. The rotating block (15) is mounted on the bottom end of the rotating disk (13). The rotating ring (16) is mounted on the side of the rotating block (15). The pressing groove (17) is set on the rotating ring (16). The fixing frame (18) is fixedly mounted on the side wall of the locking tube (7), and the fixing frame (18) is symmetrically mounted on the upper and lower ends of the rotating ring (16). The compression spring frame (19) is mounted on the fixing frame (18).
3. The outdoor lighting equipment bracket according to claim 1, characterized in that: The mounting bracket (2) has mounting holes (20), and bolts can pass through the mounting holes (20) to fix the mounting bracket (2) in the required position.
4. The outdoor lighting equipment bracket according to claim 1, characterized in that: One end of the adjusting rod (3) is provided with a base plate (21), and the top end of the base plate (21) is provided with a top plate (22).
5. An outdoor lighting equipment bracket according to claim 4, characterized in that: Support plates (23) are symmetrically installed at both ends of the top plate (22), and a rotating plate (24) is installed on the support plate (23). The two ends of the rotating plate (24) are rotatably installed on the support plate (23), and the lighting component (1) is installed on the top end face of the rotating plate (24).
6. An outdoor lighting equipment bracket according to claim 5, characterized in that: A rotating motor (25) is installed on one end face of the support plate (23), and the output end of the rotating motor (25) extends through the support plate (23) and is connected to one end of the rotating plate (24).
7. An outdoor lighting equipment bracket according to claim 2, characterized in that: A connecting plate (26) is installed at the bottom of the side wall of the card tube (7), and the connecting plate (26) is fixedly installed on one end face of the fixing block (5).
8. An outdoor lighting equipment bracket according to claim 7, characterized in that: The top end of the connecting plate (26) is equipped with a support bearing (27), and the bottom end of the rotating block (15) is connected to the top end of the support bearing (27).