Security bracket with limiting structure
By introducing limiting and engaging fins into the safety bracket, the problem of bracket instability in positioning is solved, achieving a stable effect on the supported object and preventing it from falling.
Patent Information
- Application Number
- CN202423313728.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing security brackets lack a limiting structure during use, which makes it easy for the pawl and rack to fall off, causing the lifted object to fall.
A safety bracket with a limiting structure was designed. By setting limiting wing and engaging wing on both sides of the supporting rack, and using the wedge engagement of the limiting nut and the through hole, the supporting rack and the connecting frame are stably engaged, thus enhancing the fixation.
It effectively prevents the pawl and rack from falling off, improves the stability and safety of the lifted object, and prevents the lifted object from losing weight and falling.
Smart Images
Figure CN223737580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to security support technical field, specifically a security support with limiting structure. BACKGROUND
[0002] Security support is a device used for lifting a car with a jack during car maintenance.
[0003] In the prior art, the pawl and the rack are engaged to fix the height, but the pawl and the rack are prone to falling off each other during use due to the lack of limiting function, which causes the lifted object to fall. Therefore, the technical personnel in the field provide a security support with limiting structure to solve the problems in the background technology. SUMMARY
[0004] The utility model aims at providing a security support with limiting structure to solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a security support with limiting structure, comprising a support, a connecting frame welded to the top end of the support, a support rack and a gear sleeved in the connecting frame, the support rack and the gear being engaged and rotating, a top end of the support rack being fixedly connected with a top holder, a bottom end of the support rack being adhesively connected with a limiting plate, a limiting structure being arranged between the support rack and the connecting frame, and a sliding clamping assembly being arranged on one side surface of the support rack.
[0006] The limiting structure is mainly limited by the limiting convex wing and the clamping convex wing, the limiting convex wing is provided with a plurality of groups, is evenly welded to the front and rear sides of the support rack respectively, and the clamping convex wing is provided with two groups, which are symmetrically arranged on the inner side surfaces of the front and rear connecting frames.
[0007] Preferably, the sliding clamping assembly comprises two groups of sliding grooves and a plurality of groups of limiting holes, the plurality of groups of limiting holes are evenly arranged at the middle positions of the side edges of the support rack, the two groups of sliding grooves are respectively dug on the two sides of the limiting holes, and the limiting holes are matched with limiting nuts.
[0008] Preferably, sliding convex blocks are slidably installed in the two groups of sliding grooves, the sliding convex blocks are welded to the inner side surfaces of the connecting frame, recesses are dug on the outer side surfaces of the two groups of sliding convex blocks of the connecting frame, and a plurality of groups of through holes with the same diameter as the limiting holes are dug through the surfaces of the recesses.
[0009] Preferably, the limiting nuts are matched with the limiting holes through the through holes to achieve the limiting effect.
[0010] Preferably, a rotating shaft is arranged through the center of the gear, one end of the rotating shaft is hingedly connected to one side of the connecting frame, and the other end of the rotating shaft extends through the connecting frame to the outside and is connected with the connecting plate, and the other side of the connecting plate is adhesively connected with a rotating handle.
[0011] Preferably, the surface of the rotating shaft extending to the outside is sleeved with a fastener, and the fastener is mounted to the outer side of the connecting frame.
[0012] Preferably, the inner side of the supporting top is provided with a non-slip pad, and the four supporting feet are all welded with a counterweight plate.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. In the utility model, the limiting convex wings arranged on the opposite sides of the supporting rack in a uniform manner are downwardly arc-shaped, and can be engaged with the clamping convex wings on the inner side of the connecting frame in an interlocking manner at the required height, so that the limiting and fixing effect is achieved, the pawl and the rack are prevented from being mutually separated, and the situation that the lifted object falls due to weight loss is avoided.
[0015] 2. In the utility model, the through holes with the same size are arranged on the connecting frame and the supporting rack, and the fixing of the overall height of the security support is further improved under the penetration and clamping of the limiting nut, so that the auxiliary limiting effect is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a schematic view of the overall structure of the utility model;
[0017] Fig. 2 It is a schematic view of the gear and rack structure of the utility model;
[0018] Fig. 3 It is a schematic view of the frame body structure of the utility model;
[0019] Fig. 4 It is a schematic view of the limiting and clamping structure of the utility model.
[0020] In the drawing: 1, support, 2, connecting frame, 3, supporting rack, 4, supporting top, 5, gear, 6, rotating shaft, 7, connecting plate, 8, rotating handle, 9, non-slip pad, 10, limiting hole, 11, sliding groove, 12, limiting nut, 13, sliding convex block, 14, limiting convex wing, 15, clamping convex wing, 16, groove, 17, through hole, 18, fastener, 19, limiting plate, 20, counterweight plate. DETAILED DESCRIPTION
[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.
[0022] Please refer to Figs. 1-4 In the embodiment of the present application, the security support with a limiting structure comprises a support 1, a connecting frame 2 welded at the top end of the support 1, a support rack 3 and a gear 5 sleeved in the connecting frame 2, a counterweight plate 20 welded at the bottom end of each of the four support legs of the support 1, the support rack 3 and the gear 5 being engaged and rotated, a top support 4 fixed at the top end of the support rack 3, an anti-skid pad 9 arranged on the inner arc surface of the top support 4 to avoid damaging the vehicle body when the security support contacts the vehicle body, a limiting plate 19 adhered to the bottom end of the support rack 3, a limiting structure arranged between the support rack 3 and the connecting frame 2 to achieve the effect of limiting and fixing, to avoid the pawl and the rack from being mutually detached and causing the lifted object to fall, and a sliding clamping assembly arranged on one side of the support rack 3 to further improve the fixing of the overall height of the security support and achieve the effect of auxiliary limiting.
[0023] In use, the limiting structure is mainly clamped and limited by the limiting lugs 14 and the clamping lugs 15, the limiting lugs 14 are arranged in several groups and are evenly welded on the front and rear sides of the support rack 3, the clamping lugs 15 are arranged in two groups and are symmetrically arranged on the inner side surfaces of the connecting frame 2, the opposite sides of the support rack 3 are provided with the limiting lugs 14 arranged in an arc downward, so that the limiting lugs 14 can be engaged with the clamping lugs 15 welded on the inner arc surfaces of the connecting frame 2 at the required height, the effect of limiting and fixing is achieved, and the pawl and the rack are prevented from being mutually detached and causing the lifted object to fall.
[0024] In one embodiment, specifically, the sliding clamping assembly comprises two groups of sliding grooves 11 and several groups of limiting holes 10, the limiting holes 10 are evenly arranged at the middle positions of the side edges of the support rack 3, and the two groups of sliding grooves 11 are respectively arranged on the two sides of the limiting holes 10, the limiting holes 10 are engaged with the limiting nuts 12 to further improve the fixing of the overall height of the security support.
[0025] Specifically, the two groups of sliding grooves 11 are each slidably provided with a sliding lug 13, the sliding lugs 13 are welded to the inner side surfaces of the connecting frame 2, the outer side surfaces of the two groups of sliding lugs 13 of the connecting frame 2 are provided with grooves 16, the grooves 16 are provided with a plurality of groups of through holes 17 with the same diameter as the limiting holes 10, and the limiting nuts 12 are engaged with the limiting holes 10 through the through holes 17 to achieve the effect of clamping and limiting and play the role of auxiliary limiting.
[0026] Among them, a rotating shaft 6 is provided through the center of the gear 5. One end of the rotating shaft 6 is hinged to one side of the connecting frame 2, and the other end extends through the connecting frame 2 to the outside and is connected to the connecting plate 7. A rotating handle 8 is attached to the other side of the connecting plate 7. By holding the rotating handle 8, the rotating shaft 6 drives the gear 5 to rotate, thereby flexibly adjusting the relative height of the supporting rack 2.
[0027] In one embodiment, a fastener 18 is fitted onto the outer surface of the rotating shaft 6. The fastener 18 is installed on the outer side of the connecting frame 2 and can restrict the rotation of the rotating shaft 6.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A security support with a limiting structure, comprising a support (1), a connecting frame (2) welded to the top end of the support (1), a supporting rack (3) and a gear (5) sleeved inside the connecting frame (2), characterized in that: The support rack (3) and the gear (5) are engaged rotationally, the top end of the support rack (3) is fixedly connected with a top support (4), the bottom end of the support rack (3) is adhesively connected with a limiting plate (19), a limiting structure is arranged between the support rack (3) and the connecting frame (2), and one side surface of the support rack (3) is provided with a sliding clamping assembly. The limiting structure is mainly clamped and limited by limiting wings (14) and clamping wings (15), the limiting wings (14) are provided in several groups and are evenly welded on the front and rear sides of the support rack (3), and the clamping wings (15) are provided in two groups and are symmetrically arranged on the inner sides of the front and rear of the connecting frame (2).
2. The security stand with a limiting structure according to claim 1, characterized in that: The sliding clamping assembly comprises two groups of sliding grooves (11) and a plurality of groups of limiting holes (10), the plurality of groups of limiting holes (10) are evenly arranged at the middle positions of the side edges of the support rack (3), and the two groups of sliding grooves (11) are respectively arranged on the two sides of the limiting holes (10).
3. A security stand with a limiting structure according to claim 2, characterized in that: The limiting holes (10) are in wedge cooperation with limiting nuts (12).
4. The security stand with a limiting structure according to claim 3, characterized in that: The two groups of sliding grooves (11) are slidably connected with sliding blocks (13), the sliding blocks (13) are welded to the inner sides of the connecting frame (2), recesses (16) are arranged on the outer sides of the two groups of sliding blocks (13) of the connecting frame (2), and a plurality of groups of through holes (17) with the same diameter as the limiting holes (10) are arranged on the surfaces of the recesses (16).
5. The security stand with a limiting structure according to claim 1, characterized in that: The limiting nuts (12) pass through the through holes (17) and the limiting holes (10) to achieve the wedge limiting effect.
6. A security stand with a limiting structure according to claim 5, characterized in that: A rotating shaft (6) is arranged at the center of the gear (5), one end of the rotating shaft (6) is hingedly connected to one side surface of the connecting frame (2), the other end of the rotating shaft (6) extends through the connecting frame (2) to the outside and is connected with a connecting plate (7), and the other side of the connecting plate (7) is adhesively connected with a rotating handle (8).
7. The security stand with a limiting structure according to claim 1, characterized in that: The surface of the rotating shaft (6) extending to the outside is sleeved with a fastener (18), and the fastener (18) is arranged on the outer side surface of the connecting frame (2). An anti-skid pad (9) is arranged on the inner side arc surface of the top support (4), and a counterweight plate (20) is welded to the bottom end of each of the four supporting legs of the support rack (1).