Bolt fastening fastener convenient to operate by one person

Abstract

The utility model discloses a bolt fastening fastener convenient for a single person to operate, which comprises a wrench, one side of the wrench is rotatably connected with a ratchet wheel, one side of the ratchet wheel is provided with a first torsion spring used for enabling a first pawl to be attached to the surface of the ratchet wheel all the time, and the other side of the ratchet wheel is provided with a second torsion spring used for enabling a second pawl to be attached to the ratchet wheel. The side wall of the second torsional spring is fixedly connected with a long plate, one side of the long plate is rotationally connected with a ratchet wheel, the ratchet wheel rotates through swinging of the wrench, the ratchet wheel rotates to drive a clamping block on one side to rotate on the outer wall of the screw rod, and the clamping block rotates on the outer wall of the screw rod so that the first fastening plate and the second fastening plate can be folded under the action of the rotating shaft; when the second fastening plate and the first fastening plate need to be loosened, the first pawl and the second pawl on the side portion of the ratchet wheel are shifted to be not clamped on the side wall of the ratchet wheel, the clamping block can be loosened, and fastening of the bolt can be conveniently operated by a single person through cooperation of the ratchet wheel and the pawls.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt fixing methods, in particular to a bolt fastening fastener convenient for single-person operation. Background Technique

[0002] In emergency situations, such as after earthquakes, floods, etc., or in some outdoor activities, it is often necessary to build a temporary open canopy. The fixation of columns and beams is the main work in building an open canopy. During the canopy building process, a large number of columns need to be fixed to each other, and between columns and beams. In order to adapt to the fixation of columns and beams with different diameters, and at the same time to solve the most common direct fixation between double-vertical columns, vertical and horizontal cross-shaped columns and crossbars in the actual building process.

[0003] After searching for the utility model patent with the patent number CN220014046U, it discloses an adjustable double-ring fastening fastener which is fixedly connected by two ring-shaped fasteners a and b. Any one of the ring-shaped fasteners is composed of a movable arc block, a movable mating block, an adjusting rod, a butterfly nut, a first fixed shaft and a second fixed shaft. The connection mode of the ring-shaped fasteners a and b is a cross-shaped fixed connection, and the connection mode of the ring-shaped fasteners a and b can also be a linear fixed connection. Through the cross-shaped and linear integrated fixed connection modes of the ring-shaped fasteners a and b.

[0004] Compared with the prior art, the utility model patent with the patent number CN220014046U, through the cross-shaped and linear integrated fixed connection modes of the ring-shaped fasteners a and b, can directly solve the most common direct fixation problem between double-vertical columns, vertical and horizontal cross-shaped columns and beams in the actual building process.

[0005] However, in the above solution, through the cross-shaped and linear integrated fixed connection modes of the ring-shaped fasteners a and b, it can directly solve the most common direct fixation problem between double-vertical columns, vertical and horizontal cross-shaped columns and beams in the actual building process. However, when fixing, the butterfly nut is rotated to fix the bolt. But this device is rather troublesome when fixing, and tools such as wrenches are needed to fix the columns and beams in the above solution. Therefore, a bolt fastening fastener convenient for single-person operation is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to solve the problem in the prior art that when fixing between columns and beams, the nut is rotated for fixation. This fixation method wastes the rescue time of first-aid personnel on the one hand, and on the other hand, tools such as wrenches are needed for rotation, and paired tools are required for use. Therefore, a bolt fastening fastener convenient for single-person operation is proposed.

[0007] To achieve the above object, the present utility model adopts the following technical solutions:

[0008] A bolt fastening fastener convenient for single - person operation, including a wrench, one side of the wrench is rotatably connected with a ratchet wheel, and one side of the ratchet wheel is provided with a first torsion spring for making the first pawl always fit on the surface of the ratchet wheel;

[0009] The other side of the ratchet wheel is provided with a second torsion spring for making the second pawl fit on the ratchet wheel. The side wall of the second torsion spring is fixedly connected with a long plate. One side of the long plate is rotatably connected with a ratchet wheel. The ratchet wheel is rotatably connected with a clamping block. The side wall of the clamping block is rotatably connected with a screw rod. One side of the screw rod is fixedly connected with a rotating column. The side wall of the rotating column is rotatably connected with a first fastening plate. The bottom of the first fastening plate is provided with a rotating shaft for the second fastening plate to rotate.

[0010] The above - mentioned technical solution further includes:

[0011] When the first pawl fits on the side wall of the ratchet wheel, it is one - way fit, and when the second pawl fits on the side of the ratchet wheel, it is one - way fit. Such a setting can prevent it from being rebounded by the spring inside the clamping block when tightening the clamping block, thus protecting the operator from injury.

[0012] One side of the first torsion spring is fixedly connected with the wrench. The first fastening plate and the second fastening plate are connected through a combiner, which can stably connect the first fastening plate and the second fastening plate.

[0013] Both ends of the clamping block are shaped to abut against the side wall of the second fastening plate.

[0014] One side of the second fastening plate is provided with a bayonet for clamping the clamping block.

[0015] One side of the wrench is rotatably connected with a long plate, through which the ratchet pawl can swing stably.

[0016] One end of the screw rod is provided with a limit post for restricting the rotation of the clamping block.

[0017] The present utility model has the following beneficial effects:

[0018] 0. In the present utility model, when it is necessary to tighten the screw rod, by pulling the wrench, the first pawl rotates. There is a first torsion spring inside the first pawl, which can make the first pawl fit on the side wall of the ratchet wheel to facilitate pushing the next groove on the side wall of the ratchet wheel. When pulling the wrench, there is a second torsion spring on one side of the ratchet wheel that makes the second pawl fit on the side wall of the ratchet wheel. Through the two torsion springs, the ratchet pawls can cooperate stably.

[0019] 1. The ratchet is rotated by swinging the wrench, and the rotation of the ratchet drives the clamping block on one side to rotate on the outer wall of the screw. At this time, the clamping block pushes the clamping port on one side of the second fastening plate, so that the clamping block is clamped on one side of the second fastening plate. The clamping block rotates on the outer wall of the screw so that the first fastening plate and the second fastening plate are retracted under the action of the rotating shaft, thereby fixing the column beam together. When it is necessary to loosen the second fastening plate and the first fastening plate, the first claw and the second claw on the side of the ratchet are moved so that they are not stuck on the side wall of the ratchet, and the clamping block can be loosened. The cooperation between the ratchet and the claw can facilitate the tightening of the bolt by a single person.

[0020] 2. In the utility model, since the first claw and the second claw are both attached to the side wall of the ratchet, their one-way attachment prevents the ratchet and the claw from directly rebounding when the wrench is rotated, thereby causing harm to the user. The second fastening plate and the combiner are combined through the combiner so that the second fastening plate and the combiner will not be separated when rotating, thereby increasing their firmness. The limiting column is arranged on the side wall to prevent the second fastening plate and the combiner from being damaged by excessive compression, thereby increasing the service life of the second fastening plate and the combiner. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of a bolt fastening fastener proposed by the utility model that is convenient for single-person operation;

[0022] Figure 2 This is a schematic diagram of the structure of the first part of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the second part of the utility model;

[0024] Figure 4 This is a schematic structural diagram of the third part of the utility model.

[0025] In the figure: 1, wrench; 2, first claw; 3, long plate; 4, ratchet; 5, second claw; 6, first torsion spring; 7, second torsion spring; 8, clamping block; 9, screw; 10, first fastening plate; 11, second fastening plate; 12, combiner; 13, rotating column; 14, rotating shaft. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] like Figures 1 - 4 As shown, the utility model proposes a bolt fastening fastener convenient for single-person operation, comprising a wrench 1, one side of the wrench 1 is rotatably connected to a ratchet 4, and one side of the ratchet 4 is provided with a first torsion spring 6 for making the first claw 2 always fit on the surface of the ratchet 4;

[0029] The other side of the ratchet 4 is provided with a second torsion spring 7 for making the second pawl 5 fit against the ratchet 4, the side wall of the second torsion spring 7 is fixedly connected to the long plate 3, one side of the long plate 3 is rotatably connected to the ratchet 4, the ratchet 4 is rotatably connected to a clamping block 8, the side wall of the clamping block 8 is rotatably connected to a screw 9, one side of the screw 9 is fixedly connected to a rotating column 13, the side wall of the rotating column 13 is rotatably connected to a first fastening plate 10, and the bottom of the first fastening plate 10 is provided with a rotating shaft 14 for rotating the second fastening plate 11.

[0030] The working principle of the bolt fastening fastener convenient for single-person operation proposed by the utility model is that when the screw rod 9 needs to be tightened, the first claw 2 is rotated by moving the wrench 1, and a first torsion spring 6 is arranged inside the first claw 2 so that the first claw 2 can be fitted on the side wall of the ratchet 4 to facilitate pushing the next groove on the side wall of the ratchet 4. The second torsion spring 7 that makes the second claw 5 fit on the side wall of the ratchet 4 is arranged on one side of the ratchet 4 by the wrench 1. The ratchet 4 is rotated by swinging the wrench 1, and the rotation of the ratchet 4 drives the clamping block 8 on one side to rotate on the outer wall of the screw rod 9. At this time, the block 8 pushes the bayonet on one side of the second fastening plate 11, so that the block 8 is stuck on one side of the second fastening plate 11, and the block 8 rotates on the outer wall of the screw rod 9 so that the first fastening plate 10 and the second fastening plate 11 are retracted under the action of the rotating shaft 14, thereby fixing the column beam together. When it is necessary to loosen the second fastening plate 11 and the first fastening plate 10, the first claw 2 and the second claw 5 on the side of the ratchet 4 are moved so that they are not stuck on the side wall of the ratchet 4, and the block 8 can be loosened. In this way, the cooperation between the ratchet and the claw can facilitate the tightening of the bolt by a single person.

[0031] Embodiment 2

[0032] like Figures 1 - 4 As shown, based on the first embodiment, the first claw 2 is one-way fitted to the side wall of the ratchet 4, and the second claw 5 is one-way fitted to the side of the ratchet 4.

[0033] A wrench 1 is fixedly connected to one side of the first torsion spring 6 , and the first fastening plate 10 and the second fastening plate 11 are connected via a combiner 12 .

[0034] Both ends of the clamping block 8 are configured to abut against the side wall of the second fastening plate 11 .

[0035] A snap-in opening for clamping the clamping block 8 is provided on one side of the second fastening plate 11 .

[0036] One side of the wrench 1 is rotatably connected to a long plate 3.

[0037] One end of the screw rod 9 is provided with a limiting post for restricting the rotation of the limiting block 8.

[0038] The working principle of a bolt fastening fastener convenient for single-person operation proposed by the present utility model is that since both the first thorn claw 2 and the second thorn claw 5 are attached to the side wall of the ratchet wheel 4, their one-way attachment enables that when the wrench 1 is rotated, the ratchet wheel and the thorn claws will not directly rebound, thus causing harm to the user. Between the second fastening plate 11 and the combinator 12, through the combination between the combinators 12, when rotating, 11 and the combinator 12 will not be separated, increasing its firmness. A limiting post is provided on the side wall of 9 to prevent the second fastening plate 11 and 12 from being over-compressed, damaging the second fastening plate 11 and the combinator 12, and increasing the service life of the second fastening plate 11 and the combinator 12.

[0039] Although the embodiments of the present utility model 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 principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A bolt fastening fastener convenient for single-person operation, including a wrench (1), characterized in that, One side of the wrench (1) is rotatably connected to a ratchet wheel (4), and a first torsion spring (6) for keeping the first pawl (2) in contact with the surface of the ratchet wheel (4) all the time is arranged on one side of the ratchet wheel (4); A second torsion spring (7) for keeping the second pawl (5) in contact with the ratchet wheel (4) is arranged on the other side of the ratchet wheel (4). The side wall of the second torsion spring (7) is fixedly connected to a long plate (3). One side of the long plate (3) is rotatably connected to the ratchet wheel (4). The ratchet wheel (4) is rotatably connected to a clamping block (8). The side wall of the clamping block (8) is rotatably connected to a screw rod (9). One side of the screw rod (9) is fixedly connected to a rotating column (13). The side wall of the rotating column (13) is rotatably connected to a first fastening plate (10). A rotating shaft (14) for the second fastening plate (11) to rotate is arranged at the bottom of the first fastening plate (10).

2. The bolt fastening fastener convenient for single-person operation according to claim 1, characterized in that When the first pawl (2) is in contact with the side wall of the ratchet wheel (4), it is in one-way contact. When the second pawl (5) is in contact with the side part of the ratchet wheel (4), it is in one-way contact.

3. A bolt fastening fastener convenient for single-person operation according to claim 1, characterized in that, One side of the first torsion spring (6) is fixedly connected to the wrench (1). The first fastening plate (10) and the second fastening plate (11) are connected by a combinator (12).

4. A bolt fastening fastener convenient for single-person operation according to claim 1, characterized in that, Both ends of the clamping block (8) are shaped to abut against the side wall of the second fastening plate (11).

5. A bolt fastening fastener convenient for single-person operation according to claim 1, characterized in that, A bayonet for clamping the clamping block (8) is arranged on one side of the second fastening plate (11).

6. The one - person - operation - convenient bolt fastening fastener according to claim 1, characterized in that, One side of the wrench (1) is rotatably connected to a long plate (3).

7. A bolt fastening fastener convenient for single-person operation according to claim 1, characterized in that, A limiting column for restricting the rotation of the clamping block (8) is arranged at one end of the screw rod (9).

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