CN111039158A

CN111039158A - Gravity clamping type clamp

Info

Publication number: CN111039158A
Application number: CN202010027823.9A
Authority: CN
Inventors: 商乐琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-04-21
Anticipated expiration: 2040-01-10
Also published as: CN111039158B

Abstract

The invention belongs to the technical field of clamps, and particularly discloses a gravity clamping type clamp, which comprises a rack, a sliding frame, a connecting shaft, a connecting rod, a clamp claw, a reset plate, a limiting plate and a limiting piece, wherein the rack is provided with a sliding frame; the top end of the frame is provided with an accommodating cavity, and the front end and the rear end of the frame are provided with movable grooves; the sliding frame is movably arranged in the accommodating cavity, and a hanging ring is arranged at the top end of the sliding frame; the connecting shaft penetrates through the side end of the sliding frame, two ends of the connecting shaft are exposed out of the movable groove and hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the jaw, and the jaw is hinged with the rack; the reset plate, the limiting plate and the limiting part are matched to limit the connecting shaft. By adopting the technical scheme, the gravity clamping type clamp has the advantages of simple structure and low cost, is suitable for batch production, limits the connecting shaft by matching the reset plate, the limiting plate and the limiting piece, does not enable the clamp claws to be closed to clamp an object when the gravity clamping type clamp is lifted to lift the gravity clamping type clamp after the gravity clamping type clamp clamps the object and puts down the object.

Description

Gravity clamping type clamp

Technical Field

The invention relates to the technical field of clamping, fastening or hoisting tools, in particular to a gravity clamping type clamp.

Background

The clamp is a tool for clamping, fastening or hoisting, and is widely applied to industries such as metallurgy, transportation, railways, ports and the like.

The clamp is generally composed of a hanging beam, a connecting rod, an opening and closing mechanism, a synchronizer, a clamp arm, a support plate and clamp teeth, and is complex in structure and high in cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a gravity clamping type clamp, which can reduce the cost while maintaining the function of the clamp.

In order to solve the technical problems, the technical scheme of the invention is as follows: a gravity clamping type clamp comprises a rack, a sliding frame, a connecting shaft, a connecting rod, a clamp claw, a reset plate, a limiting plate and a limiting piece; the top end of the frame is provided with an accommodating cavity, and the front end and the rear end of the frame are provided with movable grooves; the sliding frame is movably arranged in the accommodating cavity, and a hanging ring is arranged at the top end of the sliding frame; the connecting shaft penetrates through the side end of the sliding frame, two ends of the connecting shaft are exposed out of the movable groove and hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the jaw, and the jaw is hinged with the rack; the reset plate and the limiting plate are respectively positioned on two sides of the movable groove and hinged with the rack, and the limiting member is fixedly connected with the rack; the reset plate, the limiting plate and the limiting part are matched to limit the connecting shaft.

Furthermore, the reset plate is positioned on the left side of the movable groove, the left end of the reset plate is provided with a counterweight and/or a magnet, and the magnet is magnetically connected with the left end of the rack.

Further, the number of the reset plates, the limiting plates and the limiting parts is two, the two reset plates and the two limiting plates are hinged to the front end of the rack and the rear end of the rack respectively, and the two limiting parts are fixedly connected with the front end of the rack and the rear end of the rack respectively.

Furthermore, through holes are formed in the front side and the rear side of the sliding frame in a penetrating mode, and the connecting shaft penetrates through the through holes.

Furthermore, the left side and the right side of the sliding frame are fixedly provided with sliding blocks, the left side and the right side of the rack are provided with positioning grooves matched with the sliding blocks, and the sliding blocks are positioned in the positioning grooves.

Further, the slider is fixed to the carriage by a screw.

Adopt above-mentioned technical scheme, simple structure, it is with low costs, be fit for batch production, carry on spacingly to the connecting axle through board, limiting plate and the locating part cooperation that resets, press from both sides the clamp at gravity clamp and get the article and put down the back, can not make the claw closure press from both sides the article when promoting gravity clamp and press from both sides the clamp, make gravity clamp and press from both sides smooth the promotion of clamp.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of a gravity-grip clamp of the present invention;

FIG. 2 is an exploded view of the gravity-grip clamp of the present invention;

fig. 3 is a schematic structural view of a reset plate, a limit plate and a limit plate in the invention;

figure 4 is a schematic view of the working principle of the gravity clamp type clamp of the present invention.

In the figure, 1-a rack, 2-a sliding frame, 3-a connecting shaft, 4-a connecting rod, 5-a jaw, 6-a reset plate, 7-a limiting plate, 8-a limiting piece, 9-a movable groove, 10-a lifting ring, 11-a magnet, 12-a through hole, 13-a sliding block and 14-a positioning groove.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "thickness", "up-down, front-back, left-right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the described features.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media profiles, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, in an embodiment of the present invention, there is provided a gravity clamp type clamp, including a frame 1, a carriage 2, a connecting shaft 3, a connecting rod 4, a jaw 5, a reset plate 6, a limit plate 7, and a limit member 8; the top end of the frame 1 is provided with an accommodating cavity, the front end and the rear end of the frame 1 are provided with movable grooves 9, and the movable grooves 9 are used for enabling the connecting shaft 3 to move up and down; the sliding frame 2 is movably arranged in the accommodating cavity, and the sliding frame 2 can move up and down in the accommodating cavity; the top end of the sliding frame 2 is provided with a hanging ring 10, the hanging ring 10 is used for connecting a crane, and the sliding frame 2 is lifted upwards or put downwards by the crane; the connecting shaft 3 penetrates through the side end of the sliding frame 2 and is driven by the sliding frame 2 to move up and down; two ends of the connecting shaft 3 are exposed out of the movable groove 9 and hinged with one end of the connecting rod 4, the other end of the connecting rod 4 is hinged with the jaw 5, and the connecting rod 4 and the jaw 5 are driven to move to clamp an article 100 when the connecting shaft 3 moves up and down; the clamp claw 5 is hinged with the frame 1; the reset plate 6 and the limiting plate 7 are respectively positioned at two sides of the movable groove 9 and hinged with the frame 1, and the limiting piece 8 is fixedly connected with the frame 1; reset plate 6, limiting plate 7 and locating part 8 cooperation and spacing to connecting axle 3, through reset plate 6, limiting plate 7 and locating part 8 cooperation and spacing to connecting axle 3, press from both sides when lifting the gravity clamp type clamp and get article 100 and put down the back, can not make the claw 5 closure press from both sides article 100 and get when lifting the gravity clamp type clamp, make the gravity clamp type clamp promote smoothly. In one embodiment, article 100 may be bar stock.

In this embodiment, reset plate 6 is located the movable trough 9 left side, and reset plate 6 left end is equipped with counter weight and/or magnet 11, and magnet 11 is connected with frame 1 left end magnetism, and when the left end that resets plate 6 rotated to frame 1's left end, reset plate 6 can prevent to reset plate 6 and remove right through counter weight and/or magnet 11's effect down to carry out the maloperation.

In this embodiment, the number of the reset plates 6, the limiting plates 7 and the limiting members 8 is two, the two reset plates 6 and the two limiting plates 7 are respectively hinged to the front end of the rack 1 and the rear end of the rack 1, and the two limiting members 8 are respectively fixedly connected to the front end of the rack 1 and the rear end of the rack 1. Of course, in the embodiment, the number of the reset plate 6, the limit plate 7 and the limit piece 8 may be one, the reset plate 6 and the limit plate 7 are hinged to the front end of the rack 1 or the rear end of the rack 1, and the limit piece 8 is fixedly connected to the front end of the rack 1 or the rear end of the rack 1 to limit the connecting shaft 3.

In the present embodiment, through holes 12 are provided on both front and rear sides of the carriage 2, and the connecting shaft 3 is inserted into the through holes 12.

In this embodiment, the left and right sides of the carriage 2 are fixedly provided with the sliding blocks 13, the left and right sides of the frame 1 are provided with positioning grooves 14 matched with the sliding blocks 13, and the sliding blocks 13 are positioned in the positioning grooves 14; specifically, when the carriage 2 moves up and down, the slider 13 cooperates with the positioning groove 14 to perform a positioning function.

In the present embodiment, the slider 13 is fixed to the carriage 2 by screws.

The working principle of the invention is as follows:

as shown in fig. 4, when the flying ring 10 is connected with a crane and lifted, the carriage 2 moves upwards under the action of the crane, the rack 1 does not move upwards relative to the carriage 2 under the action of gravity, the carriage 2 drives the connecting shaft 3 to move upwards together, when the connecting shaft 3 moves to the inclined plane of the reset plate 6, the reset plate 6 is pushed to move leftwards, when the connecting shaft 3 moves upwards to push the reset plate 6 to the left end of the rack 1, an object 100 to be clamped is clamped simultaneously, at this time, the magnet 11 arranged at the left end of the reset plate 6 is attracted to the left end of the rack 1, so as to prevent the reset plate 6 from misoperation, and the left end of the reset plate 6 is also provided with a counterweight, the weight at the left end is large, and when the left end of the reset plate 6 is pushed to the left end of the rack 1, the magnet 11 can be matched with the reset plate 6 to move rightwards, so as to prevent the reset. When the object 100 to be clamped is placed on the ground, the sliding frame 2 is driven by the crane to move downwards to drive the connecting shaft 3 to loosen the object 100 to be clamped, and when the limiting plate 7 enters the position above the connecting shaft 3 under the self weight and is blocked by the limiting piece 8, the sliding frame 2 stops descending, and at the moment, the sliding frame 2 cannot rise under the action of the limiting plate 7 and cannot be clamped, so that the sliding frame 2 can be lifted to perform next-step material clamping work; when the sliding frame 2 moves downwards, the sliding frame 2 pushes the reset plate 6 to rotate rightwards, the positioning plate is moved to the initial state, and then the clamping can be carried out again.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims

1. A gravity-grip clamp, characterized in that: the clamp comprises a rack (1), a sliding frame (2), a connecting shaft (3), a connecting rod (4), a clamp claw (5), a reset plate (6), a limiting plate (7) and a limiting piece (8); the top end of the rack (1) is provided with an accommodating cavity, and the front end and the rear end of the rack (1) are provided with movable grooves (9); the sliding frame (2) is movably arranged in the accommodating cavity, and a hanging ring (10) is arranged at the top end of the sliding frame (2); the connecting shaft (3) penetrates through the side end of the sliding frame (2), two ends of the connecting shaft (3) are exposed out of the movable groove (9) and hinged with one end of the connecting rod (4), the other end of the connecting rod (4) is hinged with the jaw (5), and the jaw (5) is hinged with the rack (1); the reset plate (6) and the limiting plate (7) are respectively positioned on two sides of the movable groove (9) and hinged with the rack (1), and the limiting piece (8) is fixedly connected with the rack (1); the reset plate (6), the limiting plate (7) and the limiting part (8) are matched to limit the connecting shaft (3).

2. The gravity-grip clamp according to claim 1, wherein the reset plate (6) is located on the left side of the movable groove (9), the left end of the reset plate (6) is provided with a counterweight and/or a magnet (11), and the magnet (11) is magnetically connected with the left end of the frame (1).

3. The gravity-clamping type clamp according to claim 1 or 2, wherein the number of the reset plates (6), the limiting plates (7) and the limiting members (8) is two, the two reset plates (6) and the two limiting plates (7) are respectively hinged to the front end of the rack (1) and the rear end of the rack (1), and the two limiting members (8) are respectively fixedly connected to the front end of the rack (1) and the rear end of the rack (1).

4. The gravity-grip pliers according to claim 1, wherein the carriage (2) is provided with through holes (12) on both front and rear sides, and the connecting shaft (3) is inserted into the through holes (12).

5. The gravity-grip clamp according to claim 1, wherein sliding blocks (13) are fixedly arranged on the left and right sides of the carriage (2), positioning grooves (14) matched with the sliding blocks (13) are formed on the left and right sides of the machine frame (1), and the sliding blocks (13) are positioned in the positioning grooves (14).

6. A gravity-clamp according to claim 5, wherein the slide (13) is secured to the carriage (2) by screws.