CN217502242U - Safety locking anti-theft fastener - Google Patents

Abstract

The utility model discloses a safety locking theftproof fastener, belong to fastener technical field, this fastener includes the bolt head, the screw rod, the pole setting, the anticreep button, the screw rod is fixed to be set up in bolt head one side, the bolt head middle part is formed with the recess, the recess is formed with the cavity that holds the pole setting along screw rod length direction, cavity length is the third of screw rod length, cavity bottom one side is provided with the anticreep button, the pole setting stretches into cavity one end and is provided with the impeller with the contact of anticreep button, the anticreep button is the inclined plane with the face of being connected of impeller, the pole setting is to the cavity bottom motion with the anticreep button to the extrusion of the screw rod outside, cavity bottom opposite side is equipped with the injecting glue passageway of aiming at the anticreep button, the injecting glue passageway is used for fixing the anticreep button through pouring glue water after the screw rod is stretched out to the anticreep button, this fastener is not only easy to assemble and can not dismantle, avoid the stolen unloading of important facility.

Description

Safety locking anti-theft fastener

Technical Field

The utility model belongs to the technical field of the fastener, especially, relate to safety locking theftproof fastener.

Background

The bolt is widely applied in our life, the bolt is used for positioning articles, the bolts are used for fixing iron towers, metal frameworks and high-pipe guardrails which are arranged in the field, the bolts which are commonly used are easy to detach, so that the iron towers, transformers, guardrails and important facilities are easy to be stolen and detached, the utility model with the patent number of 202121592028.0 in the prior art discloses a high-strength anti-theft bolt, a cavity for accommodating the upright rod is arranged in a screw rod, an anti-loosening button which pushes the side part of the screw rod to extend out of the screw rod by the upright rod extending into the cavity for preventing the screw rod from loosening and falling off, but the anti-loosening button rebounds and slides into the screw rod in the process of pulling out the upright rod, so that the screw rod loses the anti-theft function, each bolt is provided with the upright rod, a baffle plate is also required to be arranged at the opening of the cavity for preventing the upright rod from falling off, and the processing cost of the bolt is improved, there is therefore a need for a bolt that is easy to install and is not removable to prevent theft of critical equipment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide safe locking theftproof fastener, not only easy to assemble and can not dismantle, avoid stolen unloading of important facility.

In order to achieve the above purpose, the utility model adopts the following technical scheme: safety locking theftproof fastener, including bolt head, screw rod, pole setting, anticreep button, the screw rod is fixed to be set up in bolt head one side, the bolt head middle part is formed with the recess, the recess is formed with the cavity that holds the pole setting along screw rod length direction, cavity length is the third of screw rod length, cavity bottom one side is provided with the anticreep button, the pole setting stretches into cavity one end and is provided with the impeller with the contact of anticreep button, the anticreep button is the inclined plane with the connection face of impeller, and the pole setting is to the cavity bottom motion with the anticreep button to the screw rod outside extrusion, cavity bottom opposite side is equipped with the injecting glue passageway of aiming at the anticreep button, the injecting glue passageway is used for stretching out the screw rod at the anticreep button after through the injecting glue and waters and fix the anticreep button.

Compared with the prior art, the utility model discloses realize following beneficial effect:

1. the length of the hollow cavity of the utility model is two thirds of that of the screw rod, compared with the prior art that the hollow cavity penetrates through the whole screw rod, the strength and hardness of the screw rod are further ensured;

2. through the arrangement of the upright rod and the anti-falling button, after the bolt is fastened, the upright rod moves towards the bottom of the cavity, and the upright rod presses the anti-falling button to extend out of the screw rod through the inclined surface so as to prevent the bolt from loosening and falling off;

3. through setting up the injecting glue passageway, after the anticreep button stretches out to the screw rod, glue passes through the injecting glue passageway and pours into the cavity bottom into, forms the dog after glue solidifies, at this moment, can take the pole setting out from the cavity, the anticreep button can not be flexible in to the screw rod under the effect of dog, and the pole setting also can used repeatedly, reduces the processing cost of fastener.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic view of the internal structure of the anti-theft fastener before locking;

FIG. 2 is a schematic view of the internal structure of the anti-theft fastener after being locked;

FIG. 3 is a schematic structural diagram according to a second embodiment;

FIG. 4 is a schematic diagram of the third embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-2, the safety locking anti-theft fastener includes a bolt head 10, a screw 20, an upright rod 30, and an anti-drop button 50, the screw 20 is fixedly disposed at one side of the bolt head 10, a groove 11 is formed in the middle of the bolt head 10, the groove 11 is formed with a cavity 21 for accommodating the upright rod 30 along the length direction of the screw, in order to enhance the strength of the screw 20, the length of the cavity 21 is designed to be one third of the length of the screw 20, the anti-drop button 50 is disposed at one side of the bottom of the cavity 21, the width of the anti-drop button 50 is the width of two screw pitches, a pushing member contacting with the anti-drop button is disposed at one end of the upright rod 30 extending into the cavity 21, the pushing member is a roller 40a, the connecting surface of the anti-drop button 50 and the roller 40a is an inclined surface, the upright rod 30 moves towards the bottom of the cavity 21 to press the anti-drop button 50 towards the outside of the screw 20, in order to facilitate a user to push the upright rod 30 to move towards the bottom of the cavity 21, the upright rod 30, the length of the upright rod 30 is designed to be greater than the length of the cavity 21, the other side of cavity 21 bottom is equipped with the injecting glue passageway 60 of aiming at anticreep button 50, pole setting 30 pushes out screw rod 20 with anticreep button 50 after, pour into glue 61 in injecting glue passageway 60, for better fixed anticreep button 50, offer circular recess 51 and square groove 52 respectively at anticreep button 50 both sides, anticreep button 50 keeps away from injecting glue passageway 60 one side and offers circular recess 51, offer square groove 52 on anticreep button 50 corresponds injecting glue passageway 60 one side, glue 61 flows in the square groove 52, treat that glue 61 solidifies the back, it fixes anticreep button 50 to form the dog, in order to avoid debris to get into cavity 21, cause destruction to screw rod 20, the design sets up the visor (not shown in the drawing) at the cavity 21 opening part that recess 11 corresponds, cover the visor after taking pole setting 30 out.

Example two

Referring to fig. 3, the difference between the first embodiment and the second embodiment is that the pushing element is a sloping block 40b adapted to the sloping surface of the anti-falling button, the connecting surface between the sloping block 40b and the anti-falling button 50 is a sloping surface, and the downward movement of the sloping block 40b pushes the anti-falling button 50 to extend out of the screw 20 under the action of the sloping surface.

EXAMPLE III

Referring to fig. 4, the roller 40a and the inclined block 40b in the first and second embodiments are both limited in direction, and if the contact surface of the two is not matched with the inclined surface of the anti-release button 50, the anti-release button 50 cannot be pushed to move outward toward the screw 20, so the pushing member in this embodiment is a steel ball 40c, the vertical rod 30c includes a hollow shell 31c and a push rod 32c inserted in the hollow shell 31c, the steel ball 40c is disposed in the hollow shell 31c, the bottom of the hollow shell 31c is provided with a circular through hole with a diameter smaller than that of the steel ball 40c, the push rod 32c contacts with the surface of the steel ball 40c, the steel ball 40c is pressed by the push rod 32c, and the steel ball 40c pushes the anti-release button 50 to move outward toward the screw 20 along with the downward movement of the vertical rod.

In summary, the length of the hollow cavity 21 of the present invention is two thirds of the length of the screw rod 20, compared with the prior art in which the hollow cavity penetrates through the whole screw rod, the strength and hardness of the screw rod 20 are further ensured; through the arrangement of the upright rod 30 and the anti-falling button 50, after the bolt is fastened, the upright rod 30 moves towards the bottom of the cavity 21, and a pushing piece on the upright rod 30 presses the anti-falling button 50 to extend out of the screw rod 20 through an inclined plane so as to prevent the bolt from loosening and falling off; through setting up injecting glue passageway 60, after anticreep button 50 stretches out to screw rod 20, glue 61 pours into the cavity 21 bottom into through injecting glue passageway 60, and glue 61 solidifies the back and forms the dog, and at this moment, can take pole setting 30 out from the cavity, anticreep button 50 can not stretch out and draw back in screw rod 20 under the effect of dog, and pole setting 30 also can used repeatedly, reduces the processing cost of fastener.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not limit the scope of the present invention. All changes and modifications that come within the spirit of the invention are desired to be protected.

Claims (10)

1. Safety locking theftproof fastener, its characterized in that, including bolt head, screw rod, pole setting, anticreep button, the screw rod is fixed to be set up in bolt head one side, the bolt head middle part is formed with the recess, the recess is formed with the cavity that holds the pole setting along screw rod length direction, cavity length is the one-third of screw rod length, cavity bottom one side is provided with the anticreep button, the pole setting stretches into cavity one end and is provided with the impeller with the contact of anticreep button, the anticreep button is the inclined plane with the face of being connected of impeller, and the pole setting is to the motion of cavity bottom with the anticreep button to the extrusion of the screw rod outside, cavity bottom opposite side is equipped with the injecting glue passageway of aiming at the anticreep button, the injecting glue passageway is used for stretching out the screw rod at the anticreep button after through pouring into the injecting glue water with the anticreep button fixed.

2. The security-locking anti-theft fastener of claim 1, wherein the width of said anti-slip knob is two thread pitches in width.

3. The security-locking anti-theft fastener of claim 1, wherein said stem has a length greater than a length of the cavity.

4. The safety locking fastener of claim 1, wherein the anti-slip button has a square groove on a side corresponding to the glue.

5. The security locking anti-theft fastener according to claim 1, wherein the side of the anti-slip button away from the glue injection channel is provided with a circular groove.

6. The security-locking anti-theft fastener according to claim 1, characterized in that said recess is provided with a protective cover in correspondence of the cavity opening.

7. The safety-locking antitheft fastener of claim 1 wherein the pusher is a roller.

8. The safety-locking antitheft fastener of claim 1 wherein the pusher is a ramp adapted to the ramp of the anti-drop button.

9. The safety-locking antitheft fastener of claim 1 wherein the pusher is a steel ball.

10. The security locking anti-theft fastener according to claim 9, wherein said upright comprises a hollow housing and a push rod inserted in the hollow housing, said steel ball is disposed in the hollow housing, a circular through hole having a diameter smaller than the steel ball is disposed at the bottom of said hollow housing, and said push rod is in surface contact with the steel ball.

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