Pulling device for automobile maintenance

Abstract

The utility model provides a pulling device for automobile maintenance, and belongs to the technical field of automobile maintenance. The pulling device for automobile maintenance comprises a pulling structure and a clamping structure, the pulling structure comprises a first screw rod, a fixing frame, a supporting assembly and a clamping assembly, the first screw rod is in threaded connection with the fixing frame, the supporting assembly is in sliding connection with the fixing frame, the supporting assembly is connected with the fixing frame through the clamping assembly, and the clamping assembly is connected with the first screw rod. The clamping structure comprises a fixing frame, a clamping assembly, an L-shaped connecting plate, a clamping block, a bolt and an arc-shaped groove, the first screw rod is rotationally connected with the fixing frame, the clamping assembly is arranged in the fixing frame, and the L-shaped connecting plate is connected with the clamping assembly. According to the pulling device for automobile maintenance, square or cylindrical automobile parts can be conveniently pulled, and the practicability of the device is improved.

Description

Technical Field

[0001] The present application relates to the field of automobile maintenance, and in particular to a lifting device for automobile maintenance. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, the use of cars has become very widespread. Since the parts in the engine compartment of a car are prone to failure, they need to be repaired or maintained. However, since many parts such as pins and cylinders are installed tightly, it is difficult to remove them with tools such as pliers and tweezers used alone during maintenance. Therefore, an extractor is needed to complete the task.

[0003] However, the common puller structure currently has certain shortcomings, such as the support distance and support height cannot be adjusted well, and the adjustment operation is extremely inconvenient, and the clamping firmness of the automobile parts is poor, and it is easy to fall off, resulting in poor practical value when used for automobile maintenance.

[0004] In this regard, the Chinese patent application number is CN202121618893.8, which discloses a lifting and pulling structure for automobile maintenance, including: a main board, a support screw, and a clamping block; slide grooves are provided on both sides of the main board, and the main board and the slide groove are an integrated structure; the support screw is arranged inside the slide groove, and the support screw and the slide groove are slidingly connected by a clearance fit; the adjusting nut is arranged at the upper and lower parts of the support screw, and the adjusting nut and the support screw are screwed together by threads, with the function of adjustable support distance and support height, and the adjustment operation is simple and convenient, and the clamping firmness is strong, which greatly improves its practical performance and practical value, thereby effectively solving the problems and shortcomings of the existing device.

[0005] The above scheme still has the following shortcomings during use: when in use, the clamp block is set to be arc-shaped, but the automobile parts to be pulled out are square and cylindrical, which is very inconvenient when pulling out the square parts, thereby reducing the practicality of the device. Utility Model Content

[0006] In order to make up for the above shortcomings, the present application provides a pulling device for automobile maintenance, which aims to improve the clamping block set in an arc shape. However, the automobile parts that need to be pulled out are square and cylindrical. It is very inconvenient to pull out the square parts, thereby reducing the practicability of the device.

[0007] An embodiment of the present application provides a pulling device for automobile maintenance, including a pulling structure and a clamping structure, the pulling structure including a first screw, a fixing frame, a supporting assembly and a clamping assembly, the first screw is threadedly connected to the fixing frame, the supporting assembly is slidably connected to the fixing frame, the supporting assembly is connected to the fixing frame via the clamping assembly, the clamping structure includes a fixing frame, a clamping assembly, an L-shaped connecting plate, a clamping block, bolts and an arc groove, the first screw is rotatably connected to the fixing frame, the clamping assembly is arranged in the fixing frame, the L-shaped connecting plate is connected to the clamping assembly, the clamping block is rotatably connected to the L-shaped connecting plate, the clamping block is connected to the L-shaped connecting plate via bolts, and the arc groove is provided on one side of the clamping block.

[0008] In a specific embodiment, the support assembly includes an L-shaped slider, a fixing rod and a second screw rod, the L-shaped slider is slidably connected to the fixing frame, the fixing rod is connected to the L-shaped slider, and the second screw rod is threadedly connected to the fixing rod.

[0009] In the above implementation process, the L-shaped slider, the fixing rod and the second screw rod are provided to facilitate support and adjust the support height, thereby improving the practicability of the device.

[0010] In a specific embodiment, an anti-slip pad is provided at one end of the second screw.

[0011] In the above implementation process, by arranging an anti-skid pad at one end of the second screw rod, it is convenient to prevent slipping and improve the stability of the support.

[0012] In a specific embodiment, the clamping assembly includes a sliding rod, a limit block and a spring, the sliding rod is slidably connected to the L-shaped slider, the sliding rod is clamped to the fixed frame, the limit block is connected to the sliding rod, the limit block is slidably connected to the L-shaped slider, and the spring is sleeved on the sliding rod.

[0013] In the above implementation process, the position of the support assembly can be conveniently fixed by setting the slide rod, the limit block and the spring.

[0014] In a specific implementation manner, a plurality of slots are evenly formed on one side of the fixing frame, and the sliding rod is engaged with the slots.

[0015] In the above implementation process, the support assembly can be conveniently fixed at different positions by engaging the sliding rod with the card slot, thereby improving the practicability of the device.

[0016] In a specific embodiment, the clamping assembly includes a bidirectional screw and two screw nut pairs, the bidirectional screw is rotatably connected to the fixed frame, the two screw nut pairs are connected to the bidirectional screw, the two screw nut pairs are slidably connected to the fixed frame, and the L-shaped connecting plate is connected to the screw nut pairs.

[0017] In the above implementation process, the bidirectional lead screw and two lead screw nut pairs are provided to facilitate clamping of automobile parts and improve work efficiency.

[0018] In a specific implementation manner, a bearing is embedded in one side of the fixing frame, and the first screw rod is interference fit with the inner ring of the bearing.

[0019] In the above implementation process, the first screw rod and the inner ring of the bearing have an interference fit, which facilitates the rotational connection between the first screw rod and the fixed frame.

[0020] In a specific embodiment, grooves are provided on both sides of the clamping block.

[0021] In the above implementation process, by providing grooves on both sides of the clamping block, the friction force can be easily increased, thereby improving the pulling effect.

[0022] Compared with the prior art, the beneficial effects of the present application are as follows: through the setting of the support component, it is possible to facilitate support and adjust the support height, thereby improving the practicability of the device; through the setting of the clamping component, it is possible to conveniently fix the position of the support component; through the clamping component, the clamping block is driven to move, thereby conveniently clamping automobile parts and improving work efficiency; the clamping block is rotated on the L-shaped connecting plate and fixed by bolts; and through the arc groove provided on one side of the clamping block, it is possible to conveniently pull out square or cylindrical automobile parts, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the structure of a pulling device for automobile maintenance provided in an embodiment of the present application;

[0025] Figure 2 A schematic cross-sectional structure diagram of the connection relationship between the support assembly and the clamping assembly provided in an embodiment of the present application;

[0026] Figure 3 A schematic diagram of a cross-sectional structure of a clamping structure provided in an embodiment of the present application;

[0027] Figure 4 A schematic structural diagram of the connection relationship between the L-shaped connecting plate, the clamping block, the bolts and the arc groove provided in an embodiment of the present application.

[0028] In the figure: 10-lifting structure; 110-first screw; 120-fixed frame; 130-support assembly; 131-L-shaped slider; 132-fixed rod; 133-second screw; 140-clamping assembly; 141-slide; 142-limiting block; 143-spring; 150-slot; 20-clamping structure; 210-fixed frame; 220-clamping assembly; 221-bidirectional lead screw; 222-screw nut pair; 230-L-shaped connecting plate; 240-clamping block; 250-bolt; 260-arc groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0030] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Example

[0032] See also Figure 1 The present application provides a lifting device for automobile maintenance, including a lifting structure 10 and a clamping structure 20.

[0033] Specifically, the clamping structure 20 facilitates the extraction of square or columnar automobile parts, thereby improving the practicability of the device.

[0034] See also Figure 1 , Figure 2 and Figure 3 The lifting structure 10 includes a first screw rod 110, a fixing frame 120, a support assembly 130 and a clamping assembly 140. The first screw rod 110 is threadedly connected to the fixing frame 120, the support assembly 130 is slidably connected to the fixing frame 120, and the support assembly 130 is connected to the fixing frame 120 through the clamping assembly 140.

[0035] In the specific setting, the support assembly 130 includes an L-shaped slider 131, a fixed rod 132 and a second screw 133. The L-shaped slider 131 is slidably connected to the fixed frame 120, the fixed rod 132 is connected to the L-shaped slider 131, and the second screw 133 is threadedly connected to the fixed rod 132. The setting of the L-shaped slider 131, the fixed rod 132 and the second screw 133 can facilitate support and adjust the support height, thereby improving the practicality of the device.

[0036] In a specific configuration, an anti-skid pad is provided at one end of the second screw rod 133 , wherein by providing an anti-skid pad at one end of the second screw rod 133 , anti-skid can be facilitated and the stability of the support is improved.

[0037] In the specific setting, the clamping assembly 140 includes a sliding rod 141, a limit block 142 and a spring 143. The sliding rod 141 is slidably connected to the L-shaped slider 131, the sliding rod 141 is clamped to the fixed frame 120, the limit block 142 is connected to the sliding rod 141, the limit block 142 is slidably connected to the L-shaped slider 131, and the spring 143 is sleeved on the sliding rod 141. Through the setting of the sliding rod 141, the limit block 142 and the spring 143, the position of the support assembly 130 can be conveniently fixed.

[0038] In the specific setting, a plurality of slots 150 are evenly opened on one side of the fixing frame 120, and the slide bar 141 is engaged with the slot 150. The engagement of the slide bar 141 with the slot 150 facilitates fixing the support assembly 130 at different positions, thereby improving the practicability of the device.

[0039] See also Figure 1 , Figure 3 and Figure 4 The clamping structure 20 includes a fixed frame 210, a clamping assembly 220, an L-shaped connecting plate 230, a clamping block 240, a bolt 250 and an arc groove 260. The first screw rod 110 is rotatably connected to the fixed frame 210. The clamping assembly 220 is arranged in the fixed frame 210. The L-shaped connecting plate 230 is connected to the clamping assembly 220. The clamping block 240 is rotatably connected to the L-shaped connecting plate 230. The clamping block 240 is connected to the L-shaped connecting plate 230 by bolts 250. The arc groove 260 is opened on one side of the clamping block 240.

[0040] In the specific setting, the clamping assembly 220 includes a bidirectional screw 221 and two screw nut pairs 222, the bidirectional screw 221 is rotatably connected to the fixed frame 210, the two screw nut pairs 222 are connected to the bidirectional screw 221, the two screw nut pairs 222 are slidably connected to the fixed frame 210, and the L-shaped connecting plate 230 is connected to the screw nut pairs 222. Through the setting of the bidirectional screw 221 and the two screw nut pairs 222, the automotive parts can be clamped conveniently and the work efficiency is improved.

[0041] In a specific configuration, a bearing is embedded in one side of the fixed frame 210, and the first screw rod 110 is interference fit with the inner ring of the bearing. The interference fit between the first screw rod 110 and the inner ring of the bearing facilitates the rotational connection between the first screw rod 110 and the fixed frame 210.

[0042] In a specific configuration, grooves are provided on both sides of the clamping block 240. By providing grooves on both sides of the clamping block 240, the friction force can be easily increased, thereby improving the pulling effect.

[0043] The working principle of the pulling device for automobile maintenance is as follows: when using the pulling device for automobile maintenance, the limit block 142 is driven to move by pulling the slide bar 141, and the spring 143 is squeezed to release the slide bar 141 from the fixed frame 120. At this time, the L-shaped slide block 131 is pulled to slide on the fixed frame 120 to a suitable position, and the spring 143 is reset to make the slide bar 141 engage with the new slot 150, so that the support assembly 130 can be conveniently fixed at different positions, thereby improving the practicality of the device. By setting the L-shaped slide block 131, the fixed rod 132 and the second screw rod 133, it can be convenient to The device is convenient for supporting and adjusting the height of the support, which improves the practicability of the device. At this time, the automobile parts to be pulled out as needed are rotated on the L-shaped connecting plate 230 through the clamping block 240 and fixed by the bolts 250. At the same time, the arc groove 260 is provided on one side of the clamping block 240, so that square or cylindrical automobile parts can be easily pulled out, which improves the practicability of the device. By rotating the two-way screw 221, the two screw nut pairs 222, the L-shaped connecting plate 230 and the clamping block 240 are close to each other, which is convenient for clamping automobile parts and improves work efficiency.

[0044] It should be noted that the specific model and specifications of the clamping block 240 need to be selected and determined based on the actual specifications of the device, and the specific selection and calculation method adopts the existing technology in the field, so it will not be described in detail.

[0045] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A pulling device for automobile maintenance, characterized in that: include A lifting structure (10), the lifting structure (10) comprising a first screw rod (110), a fixing frame (120), a support assembly (130) and a clamping assembly (140), the first screw rod (110) being threadedly connected to the fixing frame (120), the support assembly (130) being slidably connected to the fixing frame (120), and the support assembly (130) being connected to the fixing frame (120) via the clamping assembly (140); A clamping structure (20), the clamping structure (20) comprising a fixed frame (210), a clamping assembly (220), an L-shaped connecting plate (230), a clamping block (240), a bolt (250) and an arc-shaped groove (260), the first screw rod (110) being rotatably connected to the fixed frame (210), the clamping assembly (220) being arranged in the fixed frame (210), the L-shaped connecting plate (230) being connected to the clamping assembly (220), the clamping block (240) being rotatably connected to the L-shaped connecting plate (230), the clamping block (240) being connected to the L-shaped connecting plate (230) by means of a bolt (250), and the arc-shaped groove (260) being provided on one side of the clamping block (240).

2. The pulling device for automobile maintenance according to claim 1, characterized in that: The support assembly (130) comprises an L-shaped slider (131), a fixing rod (132) and a second screw rod (133); the L-shaped slider (131) is slidably connected to the fixing frame (120); the fixing rod (132) is connected to the L-shaped slider (131); and the second screw rod (133) is threadedly connected to the fixing rod (132).

3. The pulling device for automobile maintenance according to claim 2, characterized in that: An anti-slip pad is provided at one end of the second screw rod (133).

4. The pulling device for automobile maintenance according to claim 2, characterized in that: The clamping assembly (140) comprises a sliding rod (141), a limiting block (142) and a spring (143); the sliding rod (141) is slidably connected to the L-shaped sliding block (131); the sliding rod (141) is clamped to the fixing frame (120); the limiting block (142) is connected to the sliding rod (141); the limiting block (142) is slidably connected to the L-shaped sliding block (131); and the spring (143) is sleeved on the sliding rod (141).

5. The pulling device for automobile maintenance according to claim 4, characterized in that: A plurality of slots (150) are evenly arranged on one side of the fixing frame (120), and the sliding rod (141) is engaged with the slots (150).

6. The pulling device for automobile maintenance according to claim 1, characterized in that: The clamping assembly (220) comprises a bidirectional lead screw (221) and two lead screw nut pairs (222); the bidirectional lead screw (221) is rotatably connected to the fixed frame (210); the two lead screw nut pairs (222) are connected to the bidirectional lead screw (221); the two lead screw nut pairs (222) are slidably connected to the fixed frame (210); and the L-shaped connecting plate (230) is connected to the lead screw nut pairs (222).

7. The pulling device for automobile maintenance according to claim 1, characterized in that: A bearing is embedded on one side of the fixing frame (210), and the first screw rod (110) is interference fit with the inner ring of the bearing.

8. The pulling device for automobile maintenance according to claim 1, characterized in that: Grooves are provided on both sides of the clamping block (240).

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