CN217814476U - A new anti-disassembly security screw - Google Patents

Abstract

The utility model discloses a novel anti-disassembly safety screw, which comprises a bolt head, the bottom of the bolt head is fixedly connected with a stud, the inner wall of the bolt head is slidably connected with a mounting frame, and the bottom of the inner wall of the bolt head is provided with a A sliding block, the top of the sliding block is fixedly connected with a connecting plate, both sides of the top of the connecting plate are fixedly connected with a second moving block, the top of the inner wall of the installation frame is fixedly connected with a top plate, and the bottom of the top plate is fixed Attached with solid blocks. A new type of anti-disassembly safety screw described in the utility model can drive the installation frame to move through the use of the moving column. The rotation drives the installation frame to move into the cross groove. The use of the support column can prevent the installation frame from being pushed down, and then the cross groove can be blocked, so as to avoid the exposure of the cross groove and make the bolt head difficult to disassemble.

Description

A new anti-disassembly security screw

technical field

The utility model relates to the field of screws, in particular to a novel anti-disassembly safety screw.

Background technique

A screw is a tool that uses the physical and mathematical principles of the oblique circular rotation and friction of an object to fasten the parts of the object step by step. The screw has an important task in industry. As long as there is industry on the earth, the function of the screw will last forever. Importantly, the screw is a common invention in people's production and life for thousands of years. According to the application field, it is the largest invention of human beings.

The existing screw head structure is generally relatively simple. When the screw needs to be disassembled, it is generally only necessary to use a commonly used screwdriver to disassemble it. The disassembly process is relatively simple, so the effect of safety protection is poor, and it is not suitable for Some of the more important equipment is used.

Utility model content

The main purpose of the utility model is to provide a novel anti-disassembly safety screw, which can effectively solve the problems in the background technology.

In order to achieve the above object, the technical scheme that the utility model takes is:

A new anti-disassembly safety screw, comprising a bolt head, the bottom of the bolt head is fixedly connected with a stud, the inner wall of the bolt head is slidably connected with a mounting frame, the bottom of the inner wall of the bolt head is provided with a sliding block, the The top of the sliding block is fixedly connected with a connecting plate, both sides of the top of the connecting plate are fixedly connected with a second moving block, the top of the inner wall of the installation frame is fixedly connected with a top plate, and the bottom of the top plate is fixedly connected with a stable block, Both sides of the bottom of the top plate are slidably connected with a first moving block, and the sides of the two first moving blocks are fixedly connected with a telescopic spring, and one end of the two telescopic springs is connected to the inner wall of the mounting frame. One side is fixedly connected, and the inner walls of the two first moving blocks are rotatably connected with rotating columns, and one ends of the two rotating columns pass through the mounting frame and extend to the outside of the mounting frame, and one ends of the two rotating columns Both are rotatably connected with the inner wall of the second moving block, and the right side of the mounting frame is fixedly connected with a moving column, and one end of the moving column sequentially passes through the mounting frame and the bolt head and extends to the outside of the bolt head.

Preferably, a stabilizing plate is fixedly connected to the bottom of the top plate, and a support column is rotatably connected to the inner wall of the stabilizing plate.

Preferably, the bottom of the inner wall of the bolt head is fixedly connected with a slide rail, and the bottom of the slide block is slidably connected with the inside of the slide rail.

Preferably, a placement opening is opened on the top of the connecting plate.

Preferably, the top of the bolt head is provided with a cross groove.

Preferably, the shape of the mounting frame is a cross.

Compared with the prior art, the utility model has the following beneficial effects: a new anti-disassembly safety screw can drive the installation frame to move through the use of the moving column. When the top of the installation frame moves to the cross groove, the first moving block The expansion and contraction of the telescopic spring drives the installation frame to move into the cross groove according to the rotation of the rotation column. The use of the support column can prevent the installation frame from being pushed down, and the cross groove can be blocked, thereby avoiding the exposure of the cross groove, which can make the Bolt heads are not easy to remove.

Description of drawings

Fig. 1 is a structural schematic diagram of a new anti-disassembly safety screw of the present utility model.

Fig. 2 is an enlarged view of the local structure of a new anti-disassembly safety screw A of the utility model.

Fig. 3 is a top view of a bolt head of a novel anti-disassembly safety screw of the present invention.

In the figure: 1, bolt head; 2, stud; 3, mounting frame; 4, sliding block; 5, connecting plate; 6, top plate; 7, stable block; 8, first moving block; 9, rotating column; 10 1, the second moving block; 11, the stabilizing plate; 12, the support column; 13, the moving column; 14, the slide rail;

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-3, a new anti-disassembly safety screw includes a bolt head 1, the bottom of the bolt head 1 is fixedly connected with a stud 2, the inner wall of the bolt head 1 is slidingly connected with a mounting frame 3, and the inner wall of the bolt head 1 is connected The bottom is provided with a sliding block 4, the top of the sliding block 4 is fixedly connected with a connecting plate 5, both sides of the top of the connecting plate 5 are fixedly connected with a second moving block 10, and the top of the inner wall of the mounting frame 3 is fixedly connected with a top plate 6, a top plate 6 The bottom of the top plate 6 is fixedly connected with a stable block 7, and both sides of the bottom of the top plate 6 are slidably connected with a first moving block 8, and the sides of the two first moving blocks 8 are fixedly connected with a telescopic spring 17, and two telescopic springs 17 One end of each is fixedly connected to one side of the inner wall of the mounting frame 3, and the inner walls of the two first moving blocks 8 are rotatably connected to a rotating column 9, and one end of the two rotating columns 9 runs through the mounting frame 3 and extends to the side of the mounting frame 3. Externally, one end of the two rotating columns 9 is rotatably connected with the inner wall of the second moving block 10, and the right side of the mounting frame 3 is fixedly connected with a moving column 13, and one end of the moving column 13 passes through the mounting frame 3 and the bolt head 1 in turn and extends To the outside of the bolt head 1, a moving post 13 is used to push the mounting frame 3 to move.

The bottom of the top plate 6 is fixedly connected with a stabilizing plate 11, and the inner wall of the stabilizing plate 11 is rotatably connected with a supporting column 12, which can be used to support the mounting frame 3 and prevent the mounting frame 3 from being pushed down.

The bottom of the inner wall of the bolt head 1 is fixedly connected with a slide rail 14, and the bottom of the slide block 4 is slidingly connected with the inside of the slide rail 14. The use of the slide rail 14 can make the slide block 4 drive the mounting frame 3 more smoothly when moving .

The top of the connecting plate 5 is provided with a placement opening 15 , which is used to cooperate with the support column 12 , so that one end of the support column 12 can be stuck inside the placement opening 15 .

The top of the bolt head 1 is provided with a cross groove 16, and the cross groove 16 can be used in conjunction with an external cross knife.

The shape of the mounting frame 3 is cross-shaped, and the mounting frame 3 is adapted to the cross groove 16. The use of the mounting frame 3 can block the cross groove 16 to prevent disassembly.

It should be noted that the utility model is a new anti-disassembly safety screw. When in use, by moving the moving column 13, the sliding block 4 drives the connecting plate 5 and the mounting frame 3 to move through the slide rail 14 through the movement of the moving column 13. When the top of the mounting bracket 3 moved to the cross groove 16, there was no pressure on the top of the mounting bracket 3 to make the first moving block 8 move upward through the expansion and contraction of the telescopic spring 17 and drive the mounting bracket 3 to move upward according to the connection of the rotating column 9, which can make the installation The frame 3 is located in the cross groove 16. At this time, the support column 12 can be rotated to the inside of the placement opening 15, and the support column 12 can support the installation frame 3, so that the installation frame 3 cannot be pressed downward, so that the installation frame 3 will push the cross groove 16 is blocked, can prevent the dismounting of stud 2.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel anti-disassembly safety screw, includes bolt head (1), its characterized in that: the bottom fixedly connected with double-screw bolt (2) of bolt head (1), the inner wall sliding connection of bolt head (1) has mounting bracket (3), the bottom of bolt head (1) inner wall is provided with sliding block (4), the top fixedly connected with connecting plate (5) of sliding block (4), the equal fixedly connected with second movable block (10) in both sides at connecting plate (5) top, the top fixedly connected with roof (6) of mounting bracket (3) inner wall, the bottom fixedly connected with stabilizing block (7) of roof (6), the equal sliding connection in both sides of roof (6) bottom has first movable block (8), two the equal fixedly connected with expanding spring (17) in one side that first movable block (8) left off, two the one end of expanding spring (17) all with one side fixed connection of mounting bracket (3) inner wall, two the inner wall of first movable block (8) all rotates and rotates mounting bracket rotation post (9), two the one end of rotation post (9) all runs through mounting bracket (3) and extends to the outside of bolt head (3), two the one end of rotation post (9) all is connected with inner wall of second movable block (10) and is connected with mounting bracket rotation post (10), the right side of mounting bracket (13) and the outer fixed post (1) and moves and the post (13) and moves the right side of bolt head (3) and is connected with the post (13) and moves in proper order and moves the post (1) and moves the outside that the post (13) is connected with the mounting bracket (3) and moves And (4) a section.

2. The novel disassembly-prevention safety screw as claimed in claim 1, wherein: the bottom fixedly connected with of roof (6) fishplate bar (11), the inner wall of fishplate bar (11) rotates and is connected with support column (12).

3. The novel disassembly-preventing safety screw as claimed in claim 1, wherein: the bottom fixedly connected with slide rail (14) of bolt head (1) inner wall, the inside sliding connection of bottom and slide rail (14) of sliding block (4).

4. The novel disassembly-preventing safety screw as claimed in claim 1, wherein: the top of the connecting plate (5) is provided with a placing opening (15).

5. The novel disassembly-prevention safety screw as claimed in claim 1, wherein: the top of the bolt head (1) is provided with a cross groove (16).

6. The novel disassembly-prevention safety screw as claimed in claim 1, wherein: the mounting frame (3) is in a cross shape.

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