Tire lifting corbel
By designing the tire lifting support arm and using the hinged and sliding connection structure, the damage and safety hazards of the traditional support arm to the chassis of new energy vehicles are solved, and the safety protection and maintenance process of the new energy vehicle chassis are improved.
Patent Information
- Application Number
- CN202421012272.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The foot of the traditional lift arm will directly contact the chassis of the new energy vehicle, resulting in damage to the battery pack and safety hazards for maintenance personnel.
A tire lifting support arm is designed, including a third support arm structure, a locking rod structure, a second support arm structure and a first support arm structure. The flexible adjustment of the support arm is achieved through articulation and sliding connections to avoid direct contact with the chassis.
By supporting vehicle tires, safety protection of new energy vehicle chassis is achieved, while improving the safety of the maintenance process, and is suitable for a wider range of vehicle models.
Smart Images
Figure CN222886661U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifting brackets, and specifically relates to a tire lifting bracket. Background Art
[0002] A two-post lift is a common lifting device. Through the cooperation of a hydraulic system and a control system, the up-and-down movement of the lifting platform is realized. It is widely used in fields such as vehicle maintenance and logistics. The brackets are generally installed on the bracket sliders at the bottom of the two posts. Its main function is to support the load in the previous step. There are two groups of brackets in a lift, which are located at both ends of the two posts of the lift and are hinged to the bracket sliders.
[0003] The bracket feet of the traditional lift bracket support the edge of the vehicle chassis. However, the battery pack of new energy vehicles is now relatively large, and since the edge of the battery pack has extended to the edge of the vehicle chassis, when the bracket feet of the bracket lift the vehicle, the battery pack cannot be removed. Therefore, a tire lifting bracket is proposed here. Content of the Utility Model
[0004] In order to solve the problem that the brackets in the existing vehicle lifts generally have bracket feet that directly contact the vehicle chassis. When maintaining new energy vehicles, the bracket feet supporting the vehicle chassis bear the weight of the vehicle itself, which may damage the battery in the vehicle chassis and pose a safety hazard to maintenance personnel. The utility model provides the following technical solution: a tire lifting bracket, including a third-section bracket structure, one end of the third-section bracket structure is hinged to the bracket slider of the two-post lift, and further includes a lock rod structure, a second-section bracket structure and a first-section bracket structure. The third-section bracket structure is hinged to the second-section bracket structure. The first-section bracket structure is slidably inserted into the second-section bracket structure. The first-section bracket structure is used to support the tire. The lock rod structure is detachably installed on the third-section bracket structure, and the lock rod structure can be meshed and connected with the second-section bracket structure.
[0005] Preferably, the third-section bracket structure includes a bracket main body and an extension plate. One end of the bracket main body is hinged to the bracket slider of the two-post lift, and the other end is fixedly connected to the extension plate. A shaft pin sleeve is connected to one end of the extension plate relative to the bracket main body. A first shaft pin is rotatably inserted into the shaft pin sleeve, and both ends of the first shaft pin are rotatably inserted into the third-section bracket structure.
[0006] Preferably, a lock box is installed on the upper wall of the extension plate, and the lock rod structure is slidably connected in the lock box.
[0007] Preferably, the lock rod structure includes a lock rod, a spring, a split pin and a lock tooth. The lock rod is vertically and slidably inserted into the extension plate. The spring is sleeved on the lower part of the lock rod. The top of the spring is connected to the lower wall of the extension plate. The lower end of the spring is provided with a split pin. The split pin is horizontally and slidably inserted into the lock rod. The lock tooth is fixedly sleeved on the upper part of the lock rod. The lock tooth includes a smooth part and a tooth part. The smooth part can slide up and down along the inner wall of the lock box. And when the smooth part slides into the lock box, the lock box can prevent the lock tooth from rotating around the lock rod. Under the action of the spring, the lock rod structure can slide downwards. The tooth part can be meshed and connected with the second section of the support arm structure. When the tooth part is meshed with the lock tooth, it can prevent the rotation between the second section of the support arm structure and the third section of the support arm structure.
[0008] Preferably, the second section of the support arm structure includes a second square tube, a first connecting plate and a tooth ring. There are two first connecting plates. The two first connecting plates are oppositely installed on the upper and lower walls of the second square tube. The two first connecting plates are respectively rotatably sleeved at both ends of the first pin. The first connecting plate installed on the upper wall is fixedly connected with the tooth ring. The tooth ring can be meshed and connected with the lock tooth. The first section of the support arm structure is slidably inserted into the second square tube.
[0009] Preferably, the first section of the support arm structure includes a first square tube, a second connecting plate and a third square tube. There are two second connecting plates. The two second connecting plates are oppositely welded on the upper and lower walls of the first square tube. It is hinged to the third square tube through a second pin. The third square tube is slidably inserted into the second square tube. By sliding and telescoping the length of the third square tube in the second square tube, the applicable conditions of the vehicle tire can be achieved.
[0010] Preferably, the first section of the support arm structure further includes a large round tube and a small round tube. By inserting the large round tube and the small round tube under the tire, it is convenient to support and lift the vehicle.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] By moving the vehicle into the middle of the lift, then pulling up the lock rod structure along the lock box, so that the tooth part of the lock tooth cannot be meshed with the tooth ring, enabling the free rotation between the third section of the support arm structure and the second section of the support arm structure. Then, by sliding and telescoping the length of the third square tube in the second square tube, inserting the large round tube and the small round tube under the tire, the entire lifting support arm can meet the applicable conditions of the vehicle tire. Then release the lock rod structure, so that the lock rod structure slides down under the action of the spring, and further enables the tooth part of the lock tooth to be meshed with the tooth ring again, preventing the rotation between the third section of the support arm structure and the second section of the support arm structure, improving the safety during the vehicle lifting process, and thus achieving the purpose of easily adjusting the support arm during use. By supporting the vehicle tire, it is applicable to a wider range of vehicle models, ensuring the safety of the chassis of new energy vehicles and also ensuring the personal safety of maintenance personnel. Brief Description of the Drawings
[0013] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:
[0014] Figure 1 is a three-dimensional structural schematic diagram of the whole of the present utility model;
[0015] Figure 2 is a three-dimensional structural schematic diagram of the third support arm structure of the present utility model;
[0016] Figure 3 is a three-dimensional structural schematic diagram of the lock rod structure of the present utility model;
[0017] Figure 4 is a three-dimensional structural schematic diagram of the second support arm structure of the present utility model;
[0018] Figure 5 is a three-dimensional structural schematic diagram of the first support arm structure of the present utility model;
[0019] In the figure: 1. Third support arm structure; 2. Lock rod structure; 3. First pin; 4. Second support arm structure; 5. Second pin; 6. First support arm structure; 103. Support arm main body; 104. Extension plate; 105. Pin sleeve; 106. Lock box; 2. Lock rod structure; 201. Lock rod; 202. Spring; 203. Split pin; 204. Lock tooth; 401. Tooth ring; 402. First connecting plate; 403. Second square tube; 601. First square tube; 602. Second connecting plate; 603. Third square tube; 604. Large round tube; 605. Small round tube. Detailed Description of the Preferred Embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0021] By Figures 1-5Provided that, the utility model includes a third-section support arm structure 1. One end of the third-section support arm structure 1 is hinged to the support arm slide of a two-post lift, and further includes a lock rod structure 2, a second-section support arm structure 4 and a first-section support arm structure 6. The third-section support arm structure 1 is hinged to the second-section support arm structure 4. The first-section support arm structure 6 is slidably inserted into the second-section support arm structure 4. The first-section support arm structure 6 is used to support the tire. The lock rod structure 2 is detachably installed on the third-section support arm structure 1, and the lock rod structure 2 can be meshed and connected with the second-section support arm structure 4.
[0022] The third-section support arm structure 1 includes a support arm main body 103 and an extension plate 104. One end of the support arm main body 103 is hinged to the support arm slide of a two-post lift, and the other end is fixedly connected to the extension plate 104. A shaft pin sleeve 105 is connected to one end of the extension plate 104 opposite to the support arm main body 103. A first shaft pin 3 is rotatably inserted into the shaft pin sleeve 105, and both ends of the first shaft pin 3 are rotatably inserted into the third-section support arm structure 1.
[0023] A lock box 106 is installed on the upper wall of the extension plate 104, and the lock rod structure 2 is slidably connected in the lock box 106.
[0024] The lock rod structure 2 includes a lock rod 201, a spring 202, a split pin 203 and a lock tooth 204. The lock rod 201 is vertically slidably inserted into the extension plate 104. The spring 202 is sleeved on the lower part of the lock rod 201. The top of the spring 202 is connected to the lower wall of the extension plate 104. The split pin 203 is installed at the lower end of the spring 202 and is horizontally slidably inserted into the lock rod 201. The lock tooth 204 is fixedly sleeved on the upper part of the lock rod 201. The lock tooth 204 includes a smooth part and a tooth part. The smooth part can slide up and down along the inner wall of the lock box 106. And when the smooth part slides into the lock box 106, the lock box 106 can prevent the lock tooth 204 from rotating around the lock rod 201. Under the action of the spring 202, the lock rod structure 2 can slide downwards, and the tooth part can be meshed and connected with the second-section support arm structure 4. When the tooth part is meshed with the lock tooth 204, it can prevent the rotation between the second-section support arm structure 4 and the third-section support arm structure 1.
[0025] The second-section support arm structure 4 includes a second square tube 403, two first connecting plates 402 and a tooth ring 401. There are two first connecting plates 402, and the two first connecting plates 402 are oppositely installed on the upper wall and the lower wall of the second square tube 403. The two first connecting plates 402 are respectively rotatably sleeved on both ends of the first shaft pin 3. The first connecting plate 402 installed on the upper wall is fixedly connected to the tooth ring 401. The tooth ring 401 can be meshed and connected with the lock tooth 204. The first-section support arm structure 6 is slidably inserted into the second square tube 403.
[0026] The first-section support arm structure 6 includes a first-section square pipe 601, a second connecting plate 602, and a third-section square pipe 603. There are two second connecting plates 602, and the two second connecting plates 602 are welded to the upper and lower walls of the first-section square pipe 601 relatively, and are hinged to the third-section square pipe 603 through a second shaft pin 5. The third-section square pipe 603 is slidably inserted into the second-section square pipe 403, and the length of the third-section square pipe 603 can be adjusted by sliding it in the second-section square pipe 403 to meet the applicable conditions of the vehicle tire.
[0027] The first-section support arm structure 6 further includes a large round pipe 604 and a small round pipe 605. By inserting the large round pipe 604 and the small round pipe 605 under the tire, it is convenient to support and lift the vehicle.
[0028] Working principle: During operation, first, the vehicle is moved into the middle of the lift, and then the lock rod structure 2 is pulled upward along the lock box 106, so that the tooth part of the lock tooth 204 cannot be engaged with the tooth ring 401, enabling the third-section support arm structure 1 and the second-section support arm structure 4 to rotate freely. Then, by sliding the third-section square pipe 603 in the second-section square pipe 403 to adjust its length, the large round pipe 604 and the small round pipe 605 are inserted under the tire, so that the entire lifting support arm can meet the applicable conditions of the vehicle tire. Then, the lock rod structure 2 is released, and the lock rod structure 2 slides downward under the action of the spring 202, so that the tooth part of the lock tooth 204 is engaged with the tooth ring 401 again, preventing the rotation between the third-section support arm structure 1 and the second-section support arm structure 4, improving the safety during the vehicle lifting process, and thus achieving the purpose of easily adjusting the support arm during use. By supporting the vehicle tire, it is applicable to a wider range of vehicle models, ensuring the safety of the new energy vehicle chassis and also the personal safety of maintenance personnel.
[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.
[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A tire lifting arm, comprising a third arm structure (1), one end of the third arm structure (1) being hinged to an arm slide of a two-column lift, characterized in that: It also includes a locking rod structure (2), a second-section supporting arm structure (4) and a first-section supporting arm structure (6); the third-section supporting arm structure (1) is hinged to the second-section supporting arm structure (4); the first-section supporting arm structure (6) is slidably inserted into the second-section supporting arm structure (4); the first-section supporting arm structure (6) is used to support the tire; the locking rod structure (2) is detachably mounted on the third-section supporting arm structure (1); and the locking rod structure (2) can be meshed and connected with the second-section supporting arm structure (4).
2. A tire lifting arm according to claim 1, characterized in that: The third section of the support arm structure (1) comprises a support arm body (103) and an extension plate (104); one end of the support arm body (103) is hinged to the support arm slide seat of the two-post lift, and the other end is fixedly connected to the extension plate (104); one end of the extension plate (104) opposite to the support arm body (103) is connected to an axle pin sleeve (105); a first axle pin (3) is rotatably inserted in the axle pin sleeve (105); and both ends of the first axle pin (3) are rotatably inserted in the third section of the support arm structure (1).
3. A tire lifting arm according to claim 2, characterized in that: A lock box (106) is installed on the upper wall of the extension plate (104), and a lock rod structure (2) is slidably connected inside the lock box (106).
4. A tire lifting arm according to claim 3, characterized in that: The locking rod structure (2) comprises a locking rod (201), a spring (202), a split pin (203) and a locking tooth (204); the locking rod (201) is vertically slidably plugged into the extension plate (104); the spring (202) is sleeved on the lower part of the locking rod (201); the top of the spring (202) is connected to the lower wall of the extension plate (104); the lower end of the spring (202) is provided with a split pin (203); the split pin (203) The locking tooth (204) is horizontally slidably inserted into the locking rod (201), and is fixedly sleeved on the upper part of the locking rod (201). The locking tooth (204) includes a smooth portion and a tooth portion. The smooth portion can slide up and down along the inner wall of the lock box (106), and when the smooth portion slides into the lock box (106), the lock box (106) can prevent the locking tooth (204) from rotating around the locking rod (201), and the tooth portion can be meshed and connected with the second section of the support arm structure (4).
5. A tire lifting arm according to claim 4, characterized in that: The second section of the supporting arm structure (4) comprises a second section of the square tube (403), a first connecting plate (402) and a gear ring (401). There are two first connecting plates (402), which are relatively mounted on the upper wall and the lower wall of the second section of the square tube (403). The two first connecting plates (402) are rotatably sleeved on the two ends of the first shaft pin (3) respectively. The first connecting plate (402) mounted on the upper wall is fixedly connected to the gear ring (401), and the gear ring (401) can be meshed and connected to the locking teeth (204). The first section of the supporting arm structure (6) is slidably inserted into the second section of the square tube (403).
6. A tire lifting arm according to claim 5, characterized in that: The first section of the supporting arm structure (6) comprises a first section of square tube (601), a second connecting plate (602) and a third section of square tube (603). There are two second connecting plates (602). The two second connecting plates (602) are welded to the upper wall and the lower wall of the first section of square tube (601) opposite to each other and are hinged to the third section of square tube (603) through a second axle pin (5). The third section of square tube (603) is slidably inserted into the second section of square tube (403).
7. A tire lifting arm according to claim 6, characterized in that: The first section of the supporting arm structure (6) further comprises a large circular tube (604) and a small circular tube (605).