Light self-tightening clamp
By using a combined design of limit frame, pin shaft weldment, clamping pin and rotary button in the self-tightening clamp, effective clamping of objects with irregular shapes or large size differences is achieved, and the existing self-tightening clamping is solved The problem of degraded clamping performance.
Patent Information
- Application Number
- CN202421336788.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-06-13
AI Technical Summary
When clamping objects with irregular shapes or large size differences, it is difficult to achieve the ideal clamping effect, resulting in a degradation of clamping performance.
A light self-tightening clamp is designed, using a combination of a limit frame and a pin shaft weldment. Through the cooperation of the clamp pin and the knob, the automatic transformation and self-tightening function of the clamp arm is realized, adapting to objects of different sizes and shapes.
Through limit design and automatic transformation functions, effective clamping of objects with irregular shapes or large size differences is achieved, improving clamping performance and scope of application.
Smart Images
Figure CN222511731U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of self-tightening clamps, in particular to a light self-tightening clamp. Background Art
[0002] The self-tightening clamp is an efficient and convenient fastening tool, which is widely used in various industrial fields. Its unique design enables it to fix objects quickly and stably, greatly improving work efficiency. The uniqueness of the self-tightening clamp lies in its automatic locking function.
[0003] Traditional self-tightening clamps are placed on the object to be fixed. Through manual operation, the clamps will automatically adapt to the shape and size of the object to achieve a tight fit.
[0004] However, in the process of clamping objects, the existing self-tightening clamps have a relatively limited scope of application. For objects with irregular shapes or large size differences, it is often difficult to achieve an ideal clamping effect, resulting in reduced clamping performance. Therefore, a lightweight self-tightening clamp is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a light self-tightening clamp, which aims to improve the problem that the self-tightening clamp in the prior art has a limited scope of application and is often difficult to achieve an ideal clamping effect for objects with irregular shapes.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a light self-tightening clamp, comprising a handle frame, the bottom of the handle frame is slidably connected to a slide rail frame, and installation grooves are opened on the left and right sides of the slide rail frame, the inside of the right installation groove is slidably connected to a connecting frame 1, and the inside of the left installation groove is slidably connected to a connecting frame 2, the top of the slide rail frame is threadedly connected to a nylon nut 1, the top of the connecting frame 1 is provided with a clamping arm 1, and the top of the connecting frame 2 is provided with a clamping arm 2, the top rear side of the slide rail frame is fixedly connected to a limiting frame, a limiting plate weldment 1 is provided inside the limiting frame, a limiting plate weldment 2 is provided inside the limiting plate weldment 1, an elastic pin is installed on the left side of the limiting plate weldment 2, and a latch shaft weldment is installed on the right side of the limiting frame, and the limiting plate weldment 1 and the limiting plate weldment 2 are connected via the latch shaft weldment.
[0007] As a further description of the above technical solution:
[0008] The front and rear sides of the slide rail frame are both equipped with latches, and the outer walls of the latches are both slidably connected to the inside of the first connecting frame and the second connecting frame.
[0009] As a further description of the above technical solution:
[0010] The ends of the two bayonet pins that are away from each other are both rotatably connected with a rotating knob.
[0011] As a further description of the above technical solution:
[0012] A reinforcement plate is arranged inside the clamp arm 1, and a hexagonal bolt is installed on the far side of the reinforcement plate on the left side, and the outer walls of the plurality of hexagonal bolts are threadedly connected with flat washers.
[0013] As a further description of the above technical solution:
[0014] The top of the handle frame is fixedly connected with a lifting rod.
[0015] As a further description of the above technical solution:
[0016] A reinforcement plate is provided inside the second clamp arm, and a nylon nut is installed on the far side of the reinforcement plate on the right side.
[0017] As a further description of the above technical solution:
[0018] Adjacent sides of the clamp arm 1 and the clamp arm 2 are both fixedly connected with rubber pads, and the outer wall of the clamp arm 2 is provided with a wear-resistant layer.
[0019] As a further description of the above technical solution:
[0020] The outer wall of the clamping arm 1 is fixedly connected with an anti-slip sleeve.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the limit plate weldment 1 and the limit plate weldment 2 are installed and fixed by the limit frame cooperating with the pin shaft weldment. At the same time, an elastic pin is installed on the left side of the limit plate weldment 2. The limit plate weldment 1 and the limit plate weldment 2 cooperate to limit the handle frame, so that the handle frame is moved up and down to drive the clamp arm 1 and the clamp arm 2 to tighten and unfold, so as to clamp the object. The special limit design realizes the automatic change of the open state and the active self-tightening state of the clamp through two lifting actions.
[0023] 2. In the utility model, the bayonet pins are respectively inserted into the corresponding holes on the connecting frame 1 and the connecting frame 2, so that the connecting frame 1 and the connecting member 2 can be unfolded according to the size of the object, thereby increasing the clamping range of the clamp arm 1 and the clamp arm 2, and realizing that one clamp can clamp objects of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is an exploded view of a light self-tightening clamp proposed by the utility model;
[0025] Figure 2A three-dimensional schematic diagram of a light self-tightening clamp proposed by the utility model;
[0026] Figure 3 The top view is of a light self-tightening clamp proposed by the utility model.
[0027] Legend:
[0028] 1. Handle frame; 2. Slide rail frame; 3. Connecting frame 1; 4. Connecting frame 2; 5. Clamp arm 1; 6. Clamp arm 2; 7. Limit plate weldment 1; 8. Limit plate weldment 2; 9. Latch shaft weldment; 10. Bayonet; 11. Hexagon head bolt; 12. Nylon nut 1; 13. Elastic pin; 14. Flat washer; 15. Lifting rod; 16. Mounting slot; 17. Limiting frame; 18. Rubber pad; 19. Turn knob; 20. Reinforcement plate; 21. Anti-slip sleeve; 22. Wear-resistant layer; 23. Nylon nut 2. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Reference Figure 1 , Figure 2 and Figure 3 The utility model provides an embodiment: a light self-tightening clamp, including a handle frame 1, a slide rail frame 2 is slidably connected to the bottom of the handle frame 1, and installation grooves 16 are opened on the left and right sides of the slide rail frame 2. The inside of the right installation groove 16 is slidably connected to a connecting frame 3, and the inside of the left installation groove 16 is slidably connected to a connecting frame 2 4. The top of the slide rail frame 2 is threadedly connected with a nylon nut 12, the top of the connecting frame 3 is provided with a clamping arm 5, and the top of the connecting frame 24 is provided with a clamping arm 2 6. The top rear side of the slide rail frame 2 is fixedly connected to a limiting frame 17, a limiting plate weldment 17 is provided inside the limiting frame 17, and a limiting plate weldment 2 8 is provided inside the limiting plate weldment 17. An elastic pin 13 is installed on the left side of the limiting plate weldment 2 8, and a latch shaft weldment 9 is installed on the right side of the limiting frame 17. The limiting plate weldment 1 7 and the limiting plate weldment 2 8 are connected through the latch shaft weldment 9.
[0031] Specifically, the handle frame 1 is connected to the slide rail frame 2, and installation grooves 16 are respectively provided on the left and right sides of the slide rail frame 2. By inserting the connection frame 13 and the connection frame 24 into the installation grooves 16 from different directions, the clamping arm 15 and the clamping arm 26 are respectively installed on the top of the connection frame 3 and the connection frame 24, and the clamping arm 15 cooperates with the clamping arm 26 to clamp the object. A limit frame 17 is installed on the top rear side of the slide rail frame 2, and the limit plate weldment 17 is installed and fixed by the limit frame 17 and the bolt shaft weldment 9. The limit plate weldment 28 is installed inside the limit plate weldment 17, and the limit plate weldment 28 is also connected to the outer wall of the bolt shaft weldment 9. At the same time, an elastic pin 13 is installed on the left side of the limit plate weldment 28. The limit plate weldment 17 and the limit plate weldment 28 cooperate to limit the handle frame 1, so that the clamping arm 15 and the clamping arm 26 are tightened and unfolded by moving the handle frame 1 up and down.
[0032] Reference Figure 1 , Figure 2 and Figure 3 , the front and rear sides of the slide rail frame 2 are both installed with bayonet pins 10, the outer walls of the bayonet pins 10 are slidably connected to the inside of the connecting frame 1 3 and the connecting frame 2 4, the ends of the two bayonet pins 10 that are away from each other are rotatably connected with a knob 19, a reinforcing plate 20 is arranged inside the clamp arm 1 5, the away side of the left reinforcing plate 20 is installed with a hexagonal head bolt 11, the outer walls of the plurality of hexagonal head bolts 11 are threadedly connected with a flat washer 14, the inside of the clamp arm 2 6 is provided with a reinforcing plate 20, and the away side of the right reinforcing plate 20 is installed with a nylon nut 23.
[0033] Specifically, bayonet pins 10 are installed on the front and rear sides of the slide rail frame 2, and the bayonet pins 10 are respectively inserted into the corresponding holes on the connecting frame 1 3 and the connecting frame 2 4, so that the connecting frame 1 3 and the connecting frame 2 4 can be expanded according to the size of the object to improve the clamping range of the clamp arm 1 5 and the clamp arm 2 6. A reinforcement plate 20 is provided between the clamp arm 1 5 and the clamp arm 2 6. The right reinforcement plate 20 is reinforced on the clamp arm 2 6 by the nylon nut 2 23, and then the left reinforcement plate 20 is reinforced on the clamp arm 1 5 by the hexagon head bolt 11 and the flat washer 14, thereby improving the firmness of the clamp arm 1 5 and the clamp arm 2 6.
[0034] Reference Figure 1 , Figure 2 and Figure 3 The top of the handle frame 1 is fixedly connected with a lifting rod 15, the adjacent sides of the clamp arm 1 5 and the clamp arm 2 6 are fixedly connected with a rubber pad 18, the outer wall of the clamp arm 2 6 is provided with a wear-resistant layer 22, and the outer wall of the clamp arm 1 5 is fixedly connected with an anti-slip sleeve 21.
[0035] Specifically, a lifting rod 15 is installed at the top of the handle frame 1, and the handle frame 1 can be easily lifted by the lifting rod 15. The outer wall of the clamp arm 2 6 is provided with a wear-resistant layer 22, which can prevent the clamp arm 2 6 from rubbing against the connecting frame 1 3 when in use.
[0036] Working principle: First, the handle frame 1 is connected to the slide rail frame 2, and installation grooves 16 are respectively opened on the left and right sides of the slide rail frame 2. The connecting frame 1 3 and the connecting frame 2 4 are respectively inserted into the installation grooves 16 from different directions, and then the clamping arm 1 5 and the clamping arm 2 6 are respectively installed on the top of the connecting frame 1 3 and the connecting frame 2 4. The clamping arm 1 5 cooperates with the clamping arm 2 6 to clamp the object. A limiting frame 17 is installed on the top rear side of the slide rail frame 2, and the limiting plate weldment 1 7 is installed and fixed by the limiting frame 17 and the latch shaft weldment 9. A limiting plate weldment 2 8 is installed inside the limiting plate weldment 1 7, and the limiting plate weldment 2 8 is also connected to the outer wall of the latch shaft weldment 9. At the same time, an elastic pin 13 is installed on the left side of the limiting plate weldment 2 8. The limiting plate weldment 1 7 and the limiting plate weldment 2 8 cooperate to limit the engagement of the handle frame 1, so that the clamping arm 1 5 and the clamping arm 2 6 are driven to be tightened and unfolded by moving the handle frame 1 up and down. The special limiting design realizes automatic clamping through two lifting actions. To change the open state and the active self-tightening state, a bayonet 10 is installed on the front and rear sides of the slide rail frame 2, and the bayonet 10 is respectively inserted into the corresponding holes on the connecting frame 1 3 and the connecting frame 2 4, so that the connecting frame 1 3 and the connecting member 2 4 can be unfolded according to the size of the object to improve the clamping range of the clamp arm 1 5 and the clamp arm 2 6. A reinforcement plate 20 is arranged between the clamp arm 1 5 and the clamp arm 2 6. The right reinforcement plate 20 is reinforced on the clamp arm 2 6 by the nylon nut 2 23, and then the left reinforcement plate 20 is reinforced on the clamp arm 1 5 by the hexagon head bolt 11 and the flat washer 14, thereby improving the firmness of the clamp arm 1 5 and the clamp arm 2 6.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A light self-tightening clamp, comprising a handle frame (1), characterized in that: The bottom of the handle frame (1) is slidably connected to a slide rail frame (2), and installation grooves (16) are provided on both sides of the slide rail frame (2). The inside of the right installation groove (16) is slidably connected to a connecting frame 1 (3), and the inside of the left installation groove (16) is slidably connected to a connecting frame 2 (4). The top of the slide rail frame (2) is threadedly connected to a nylon nut 1 (12), and the top of the connecting frame 1 (3) is provided with a clamping arm 1 (5), and the top of the connecting frame 2 (4) is provided with a clamping arm 2. (6), the top rear side of the slide rail frame (2) is fixedly connected to a limiting frame (17), a limiting plate weldment 1 (7) is arranged inside the limiting frame (17), a limiting plate weldment 2 (8) is arranged inside the limiting plate weldment 1 (7), an elastic pin (13) is installed on the left side of the limiting plate weldment 2 (8), a latch shaft weldment (9) is installed on the right side of the limiting frame (17), and the limiting plate weldment 1 (7) and the limiting plate weldment 2 (8) are connected via the latch shaft weldment (9).
2. A light self-tightening clamp according to claim 1, characterized in that: The front and rear sides of the slide rail frame (2) are both provided with latches (10), and the outer walls of the latches (10) are both slidably connected to the inside of the first connecting frame (3) and the second connecting frame (4).
3. A light self-tightening clamp according to claim 2, characterized in that: The ends of the two bayonet pins (10) that are away from each other are both rotatably connected with a rotating knob (19).
4. A light self-tightening clamp according to claim 1, characterized in that: A reinforcing plate (20) is arranged inside the clamp arm 1 (5), and a hexagonal head bolt (11) is installed on the far side of the left reinforcing plate (20), and the outer walls of the plurality of hexagonal head bolts (11) are threadedly connected with flat washers (14).
5. A light self-tightening clamp according to claim 1, characterized in that: A lifting rod (15) is fixedly connected to the top of the handle frame (1).
6. A light self-tightening clamp according to claim 1, characterized in that: A reinforcement plate (20) is provided inside the second clamping arm (6), and a nylon nut (23) is installed on the far side of the reinforcement plate (20) on the right side.
7. A light self-tightening clamp according to claim 1, characterized in that: Adjacent sides of the clamping arm 1 (5) and the clamping arm 2 (6) are both fixedly connected with a rubber pad (18), and the outer wall of the clamping arm 2 (6) is provided with a wear-resistant layer (22).
8. A light self-tightening clamp according to claim 1, characterized in that: The outer wall of the clamping arm 1 (5) is fixedly connected with an anti-slip sleeve (21).