CN215748889U - Quick bolt fastening device - Google Patents

Abstract

The utility model belongs to the technical field of hardware tools, in particular to a quick bolt fastening device which comprises a gun drill and a sleeve head, wherein the output end of the gun drill is provided with a self-locking chuck, the interior of the self-locking chuck is detachably connected with a connecting rod, four screw rods move towards the center of an outer cylinder to abut against and extrude four clamping plates to be drawn close to the center until the sleeve head at the center is firmly clamped and fixedly, so that the sleeve is conveniently fastened, the four clamping plates are movably adjustable and can be adapted to sleeve heads with different models and sizes, only the sleeve heads with different models need to be replaced when the sleeve heads are replaced, the replacement is convenient, the working efficiency of a worker is improved, only the sleeve heads with different models need to be carried, the carrying tool amount is reduced, the problem that the sleeve rods with different models need to be replaced continuously when the existing sleeve is connected with the gun drill is solved, the replacement is very inconvenient, and the working efficiency of the worker is reduced, the number of tools carried by the staff is increased, and inconvenience is brought to the staff.

Description

Quick bolt fastening device

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a quick bolt fastening device.

Background

At present, there are many kinds of tools for disassembling and assembling the hexagon bolt in the market, such as open end wrench, box end wrench, adjustable wrench, socket wrench, etc., wherein the socket wrench is widely accepted and favored by people due to its advantages of anti-slip, capability of penetrating into narrow space, etc.

The socket head of every model of current hexagonal socket only is applicable to a telescopic link, leads to the telescopic link that need constantly change different models when sleeve and pistol drill are connected, changes very inconveniently, has reduced staff's work efficiency, has also increased the quantity that the staff carried the instrument, brings the inconvenience for the staff.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a bolt quick fastening device which is convenient to adjust, can adapt to sleeve heads of different models, can quickly connect a pistol drill with the sleeve heads of different models, and has the characteristic of improving the working efficiency of workers.

In order to achieve the purpose, the utility model provides the following technical scheme: a quick bolt fastening device comprises a pistol drill and a sleeve head, wherein the output end of the pistol drill is provided with a self-locking chuck, the interior of the self-locking chuck is detachably connected with a connecting rod, one end of the connecting rod, which is far away from the self-locking chuck, is provided with an adjusting and fastening device, the adjusting and fastening device comprises an outer cylinder, the outer wall of the outer cylinder is fixedly connected with one end of the connecting rod far away from the self-locking chuck, the outer wall of the outer cylinder is in threaded connection with four evenly distributed screw rods in a penetrating way, four evenly distributed clamping plates are arranged inside the outer cylinder, the socket head cup joints between four splint, four the screw rod respectively with four splint one side butt that back of the body carried on the back mutually, four the equal fixedly connected with two gag lever posts in back of splint, two the equal swing joint of outer wall of gag lever post has spacing section of thick bamboo, two the one end that the gag lever post was kept away from to spacing section of thick bamboo all with the inside fixed connection of urceolus.

In order to facilitate the pulling of the clamping plate to approach the inner wall of the outer barrel, the bolt quick fastening device is preferably characterized in that four springs are fixedly connected between the clamping plate and the inner wall of the outer barrel and are respectively sleeved on the outer walls of the four screw rods.

In order to facilitate the rotation of the screwing screw rod, the screw bolt quick fastening device is preferably characterized in that the opposite ends of the four screw rods are fixedly connected with knobs.

In order to facilitate the fitting of the sleeve head, it is preferable that the clamping plate has an arc-shaped structure as a preferred bolt quick fastening device of the present invention.

In order to improve the friction force on the inner side of the clamping plate, it is preferable that the inner side of the clamping plate is provided with a rubber pad as a bolt rapid fastening device of the utility model.

In order to reduce the friction between the screw and the clamping plate, it is preferable that one end of the screw abutting against the clamping plate is of a smooth convex structure.

Compared with the prior art, the utility model has the beneficial effects that:

when the hand gun drill is installed, firstly, four screw rods on the outer wall of the outer barrel are outwards rotated through the knob, so that four clamping plates are attached to the inner wall of the outer barrel under the tension of the spring, sleeve heads with different sizes can be conveniently placed, then, one end, away from a sleeve opening, of each sleeve head is inserted into the inner portion of the outer barrel, the four screw rods are screwed again, the four screw rods move towards the center of the outer barrel, so that the four clamping plates are abutted and extruded to be close to the center until the central sleeve heads are firmly clamped and fixed, the sleeve heads are conveniently and tightly installed, then, one end, away from the outer barrel, of the connecting rod is connected with the self-locking chuck, the connection between the hand gun drill and the sleeve heads is completed, as the four clamping plates are movably adjustable, the hand gun drill can be adapted to the sleeve heads with different sizes, only the sleeve heads with different types need to be replaced, the replacement is convenient, and the working efficiency of workers is improved, and only the sleeve heads of different models need to be carried, so that the carrying tool amount is reduced, and time and labor are saved.

To sum up, this kind of quick fastener of bolt has and is convenient for adjust, can adapt to the cover barrel head of different models, can be connected the gun drill fast with the cover barrel head of different models, improves staff work efficiency characteristics.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall exploded structure of the present invention;

FIG. 2 is a front view of the adjusting fixture of the present invention;

FIG. 3 is a right side view of the adjusting fixture of the present invention;

FIG. 4 is a view showing the overall installation state of the present invention;

in the figure, 1, a pistol drill; 2. a connecting rod; 3. a sleeve head; 4. a self-locking chuck; 5. adjusting the fastening device; 6. an outer cylinder; 7. a screw; 8. a splint; 9. a spring; 10. a knob; 11. a limiting cylinder; 12. a limiting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a quick fastener of bolt, including pistol drill 1 and collet head 3, the output of pistol drill 1 is provided with auto-lock chuck 4, the inside of auto-lock chuck 4 can be dismantled and is connected with connecting rod 2, the one end that auto-lock chuck 4 was kept away from to connecting rod 2 is provided with adjusts fastener 5, it includes urceolus 6 to adjust fastener 5, the one end fixed connection that auto-lock chuck 4 was kept away from to the outer wall of urceolus 6 and connecting rod 2, the outer wall through thread connection of urceolus 6 has four evenly distributed's screw rod 7, the inside of urceolus 6 is provided with four evenly distributed's splint 8, collet head 3 cup joints between four splint 8, four screw rod 7 respectively with four splint 8 one side butt that carry on the back mutually, two gag lever post 12 of the equal fixedly connected with in back of four splint 8, the equal swing joint in outer wall of two gag lever post 12 has spacing section of thick bamboo 11, the one end that gag lever post 12 was kept away from to two spacing section of thick bamboo 11 all with the inside fixed connection of urceolus 6.

In this embodiment: when the hand gun drill is installed, firstly, four screw rods 7 on the outer wall of the outer barrel 6 are outwards rotated through a knob 10, so that four clamping plates 8 are attached to the inner wall of the outer barrel 6 under the tension of a spring 9, sleeve heads 3 with different sizes are convenient to place, then, one ends, away from sleeve openings, of the sleeve heads 3 are inserted into the outer barrel 6, the four screw rods 7 are screwed again, the four screw rods 7 move towards the center of the outer barrel 6, so that the four clamping plates 8 are abutted and extruded to be close to the center until the sleeve heads 3 at the center are firmly clamped and fixed, the sleeve heads 3 are convenient to be tightly installed, then, one ends, away from the outer barrel 6, of the connecting rods 2 are connected with the self-locking chuck 4, the connection between the hand gun drill 1 and the sleeve heads 3 is completed, the four clamping plates 8 are movably adjustable, so that the hand gun heads 3 with different models and sizes can be adapted, and only the sleeve heads 3 with different models need to be replaced, the change is convenient, improves staff's work efficiency, and only need carry the cover barrel head 3 of different models can, reduce and carry the instrument volume, labour saving and time saving.

As a technical optimization scheme of the utility model, four springs 9 are fixedly connected between the clamping plate 8 and the inner wall of the outer cylinder 6, and the four springs 9 are respectively sleeved on the outer walls of the four screw rods 7.

In this embodiment: four springs 9 play the effect of splint 8 that resets, and after dismantling the cover barrel head 3 of centre gripping, four splint 8 are all close to 6 inner walls of outer section of thick bamboo under spring 9's pulling force, are convenient for carry out the centre gripping fixedly to next cover barrel head 3.

As a technical optimization scheme of the utility model, the two opposite ends of the four screw rods 7 are fixedly connected with knobs 10.

In this embodiment: the screw 7 is convenient for workers to rotate by screwing through the knob 10, time and labor are saved, and the use is convenient.

As a technical optimization scheme of the utility model, the clamping plate 8 is in an arc-shaped structure.

In this embodiment: the clamping plate 8 is of an arc-shaped structure and is matched with the outer wall of the cylindrical sleeve head 3 more, so that the clamping fixing effect is improved.

As a technical optimization scheme of the utility model, a rubber pad is arranged on the inner side of the clamping plate 8.

In this embodiment: the inboard of splint 8 is provided with the rubber pad, has increased the frictional force between the inboard and 3 outer walls of cover barrel heads of splint 8 to improve fixed effect.

As a technical optimization scheme of the utility model, one end of the screw 7, which is abutted against the clamping plate 8, is of a smooth convex structure.

In this embodiment: the one end of screw rod 7 butt splint 8 is slick and sly convex structure, reduces the frictional force between screw rod 7 and the splint 8 to it moves to be more convenient through screw rod 7 top splint 8.

The working principle and the using process of the utility model are as follows: when the hand gun drill is installed, firstly, four screw rods 7 on the outer wall of the outer barrel 6 are outwards rotated through a knob 10, so that four clamping plates 8 are attached to the inner wall of the outer barrel 6 under the tension of a spring 9, sleeve heads 3 with different sizes are convenient to place, then, one ends, away from sleeve openings, of the sleeve heads 3 are inserted into the outer barrel 6, the four screw rods 7 are screwed again, the four screw rods 7 move towards the center of the outer barrel 6, so that the four clamping plates 8 are abutted and extruded to be close to the center until the sleeve heads 3 at the center are firmly clamped and fixed, the sleeve heads 3 are convenient to be tightly installed, then, one ends, away from the outer barrel 6, of the connecting rods 2 are connected with the self-locking chuck 4, the connection between the hand gun drill 1 and the sleeve heads 3 is completed, the four clamping plates 8 are movably adjustable, so that the hand gun heads 3 with different models and sizes can be adapted, and only the sleeve heads 3 with different models need to be replaced, the change is convenient, improves staff's work efficiency, and only need carry the cover barrel head 3 of different models can, reduce and carry the instrument volume, labour saving and time saving.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a quick fastener of bolt, includes pistol drill and cover barrel head, its characterized in that: the output of pistol drill is provided with the auto-lock chuck, the inside of auto-lock chuck can be dismantled and be connected with the connecting rod, the one end that the auto-lock chuck was kept away from to the connecting rod is provided with adjusts fastener, it includes the urceolus to adjust fastener, the one end fixed connection of auto-lock chuck is kept away from to the outer wall of urceolus and connecting rod, the outer wall through thread connection of urceolus has four evenly distributed's screw rod, the inside of urceolus is provided with four evenly distributed's splint, the collet cup joints between four splint, four the screw rod respectively with four splint one side butts mutually away from mutually, four two the equal fixedly connected with gag lever post in back of splint, two the equal swing joint of outer wall of gag lever post has a spacing section of thick bamboo, two the one end that the gag lever post was kept away from to a spacing section of thick bamboo all with the inside fixed connection of urceolus.

2. The quick bolt fastening device according to claim 1, characterized in that: four springs are fixedly connected between the clamping plate and the inner wall of the outer barrel, and the four springs are respectively sleeved on the outer walls of the four screw rods.

3. The quick bolt fastening device according to claim 1, characterized in that: and four screw rods are fixedly connected with knobs at the back-to-back ends.

4. The quick bolt fastening device according to claim 1, characterized in that: the clamping plate is of an arc-shaped structure.

5. The quick bolt fastening device according to claim 1, characterized in that: the inner side of the clamping plate is provided with a rubber pad.

6. The quick bolt fastening device according to claim 1, characterized in that: one end of the screw rod is connected with the clamping plate in a smooth convex structure.

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