CN217873711U - Locking screw that moves based on caulking groove structural design - Google Patents

Abstract

The utility model discloses an anti-loosening screw based on caulking groove structural design, including screw body and screw thread, connecting device is installed to the top of screw body, locking device is installed to connecting device's top. This locking screw that moves based on caulking groove structural design, can cup joint first disc on the screw body, when the below of jack catch and caulking groove structure laminating, can strike first disc, make in the jack catch embedding caulking groove structure, thereby through the jack catch alright with the rigidity with first disc, the through-hole of flange aligns the back with the recess of first disc, the montant passes through in the spring action of spring can enter into the recess of first disc, like this through montant and first disc alright take place not hard up with preventing the bolt body, when needs are dismantled this device, only need upwards stimulate the montant, the recess that makes the below of montant leave first disc, again the reverse rotation screw body can.

Description

Locking screw that moves based on caulking groove structural design

Technical Field

The utility model relates to an anti-loosening screw technical field specifically is an anti-loosening screw based on caulking groove structural design.

Background

The screw is a tool for fastening the parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object, is a common fastener, is widely used on machinery, electrical appliances and buildings, is generally made of metal or plastic, is cylindrical, has grooves engraved with concave and convex surfaces on the surface called threads, and can fix the object in a caulking groove structure through some anti-loosening screws.

For example, patent number CN 214742669U, the utility model discloses a locking screw that moves, including the screw pole and screw head. The locking device has the advantages of simple structure, low cost, convenience in installation and use, firmness in locking, looseness prevention and the like, and is very practical.

Although the anti-loosening screw can be used in the caulking groove structure, the firmness and the anti-loosening performance of the anti-loosening screw are improved by injecting glue into the screw, so that the anti-loosening screw is feasible, but the screw is difficult to disassemble, and is not suitable for the caulking groove structure with quick disassembly and safety, and the application range is further reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking screw that moves based on caulking groove structural design to although the locking screw that moves among the above-mentioned that proposes in solving above-mentioned background art can use in the caulking groove structure, nevertheless, adopt the mode of injecting glue into in the screw to improve its fastness and locking nature, though feasible like this, but make the screw very hard when dismantling, be not suitable for in the caulking groove structure of quick detach and fast ann, thereby just reduced the problem of range of application.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-loosening screw based on caulking groove structural design, includes screw body and screw thread, the outer wall processing of screw body has the screw thread, the lower surface rigid coupling of screw body has the screw bottom, connecting device is installed to the top of screw body, anti loosening device is installed to connecting device's top.

Preferably, connecting device includes the flange, the lower surface of flange in the middle of with screw body looks rigid coupling, the upper surface rigid coupling of flange has the screw head, the lower surface mounting of flange has first disc, and the through-hole department inner wall of first disc and screw body's outer wall clearance fit, the lower surface outer end processing of first disc has a plurality of jack catchs.

Preferably, the locking device includes the second disc, controls the lower surface and the flange looks rigid coupling of second disc, the internally mounted of second disc has the montant, and the centre of montant and below outer wall respectively with the through-hole department inner wall of second disc and the groove department inner wall clearance fit of first disc, the centre outer wall rigid coupling of montant has first dog, and the outer wall of first dog and the through-hole department inner wall clearance fit of flange.

Preferably, the upper surface of the vertical rod is fixedly connected with a second stop block.

Preferably, the spring is installed on the outer wall of the middle of the vertical rod, the outer wall of the upper side and the outer wall of the lower side of the spring are fixedly connected with the first stop block and the second disc respectively, and the outer wall of the spring is in clearance fit with the inner wall of the through hole of the flange.

Compared with the prior art, the beneficial effects of the utility model are that: according to the anti-loosening screw based on the caulking groove structural design, the first disc can be sleeved on the screw body, and the plurality of clamping jaws are processed below the first disc, so that when the lower parts of the clamping jaws are attached to the caulking groove structure, the first disc can be knocked, the clamping jaws are embedded into the caulking groove structure, the position of the first disc can be fixed through the clamping jaws, and the integral anti-loosening effect can be preliminarily improved through the first disc and the clamping jaws;

lower surface and the upper surface laminating of first disc when the flange, and the through-hole of flange aligns the back with the recess of first disc, the montant passes through in the spring action of spring can enter into the recess of first disc, like this through montant and first disc alright take place not hard up with preventing the bolt body, when needs are dismantled this device, only need upwards stimulate the montant, the recess of first disc is left to the below that makes the montant, reverse rotation screw body again can, so not only be applicable to in the caulking groove structure of quick detach and fast ann, and application scope has also been improved.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the pawl, the first disk and the vertical rod of FIG. 2;

FIG. 4 is a schematic view of the spring, the first stop and the second disk of FIG. 2;

fig. 5 is a schematic view of the screw head, the transverse slot and the longitudinal slot of fig. 2.

In the figure: 1. the bolt comprises a bolt body, 2, threads, 3, a connecting device, 301, a flange, 302, a bolt head, 303, a first disc, 304, a clamping jaw, 3A1, a transverse groove, 3A2, a longitudinal groove, 4, a locking device, 401, a second disc, 402, a vertical rod, 403, a first stop block, 5, a bolt bottom, 6, a second stop block, 7 and a spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an anti-loosening screw based on caulking groove structural design, includes screw body 1 and screw thread 2, and the outer wall processing of screw body 1 has screw thread 2, and the lower surface rigid coupling of screw body 1 has bottom of screw 5, and bottom of screw 5 is sharp-pointed form, makes things convenient for screw body 1 to remove like this, and connecting device 3 is installed to the top of screw body 1, and anti-loosening device 4 is installed to connecting device 3's top.

Referring to fig. 1-3, the connecting device 3 includes a rib 301, a screw head 302, a first disc 303 and jaws 304, the middle of the lower surface of the rib 301 is fixedly connected with the screw body 1, 2 through holes are processed inside the rib 301, the screw head 302 is fixedly connected to the upper surface of the rib 301, the first disc 303 is installed on the lower surface of the rib 301, a groove and a through hole are respectively processed inside the upper part and inside the middle of the first disc 303, the inner wall of the through hole of the first disc 303 is in clearance fit with the outer wall of the screw body 1, and the jaws 304 are processed on the outer end of the lower surface of the first disc 303;

can cup joint first disc 303 on screw body 1, because the below processing of first disc 303 has a plurality of jack catchs 304, like this when the below of jack catchs 304 and caulking groove structure laminating, can strike first disc 303, make jack catchs 304 imbed in the caulking groove structure to through jack catchs 304 alright with the rigidity with first disc 303, like this through first disc 303 and jack catchs 304 alright tentatively improve holistic locking effect of moving.

Referring to fig. 1, 2 and 4, the anti-loosening device 4 includes a second disc 401, a vertical rod 402 and a first stopper 403, the lower surfaces of the left and right second discs 401 are fixedly connected with the flange 301, a through hole is processed inside the second disc 401, the vertical rod 402 is installed inside the second disc 401, the middle and lower outer walls of the vertical rod 402 are respectively in clearance fit with the inner wall of the through hole of the second disc 401 and the inner wall of the groove of the first disc 303, the vertical rod 402 can block the flange 301 through the groove of the first disc 303, the middle outer wall of the vertical rod 402 is fixedly connected with the first stopper 403, the outer wall of the first stopper 403 is in clearance fit with the inner wall of the through hole of the flange 301, the upper surface of the vertical rod 402 is fixedly connected with a second stopper 6, the middle outer wall of the vertical rod 402 is provided with a spring 7, the upper and lower outer walls of the spring 7 are respectively fixedly connected with the first stopper 403 and the second disc 401, when the first stopper 403 moves upwards, the outer wall of the spring 7 is in clearance fit with the inner wall of the through hole of the flange 301;

when the lower surface of flange 301 and the upper surface laminating of first disc 303, and the through-hole of flange 301 aligns the back with the recess of first disc 303, montant 402 can enter into the recess of first disc 303 through the spring action of spring 7, in this way through montant 402 and first disc 303 alright prevent that bolt body 1 from taking place not hard up, when needs are dismantled to this device, only need upwards stimulate montant 402, make the below of montant 402 leave the recess of first disc 303, reverse rotation screw body 1 again can, so not only be applicable to the rapid disassembly and in the caulking groove structure of fast ann, and the range of application has also been improved.

In this embodiment, when an operator needs to use a locking screw designed based on a caulking groove structure, the operator may first set the rib 301 and the screw head 302 above the screw body 1, so that after the screw body 1 is installed at the caulking groove structure, the screw body 1 is conveniently rotated by the rib 301 and the screw head 302, and then the screw body 1 is sleeved with the first disc 303, since the plurality of claws 304 are processed below the first disc 303, when the lower part of the claws 304 is attached to the caulking groove structure, the first disc 303 may be knocked to embed the claws 304 into the caulking groove structure, so that the position of the first disc 303 may be fixed by the claws 304, and then the screw body 1 is rotated, and the screw body 1 may move downward at the caulking groove structure by the thread 2 and the screw bottom 5, upwards stimulate second dog 6 again, make second dog 6 drive montant 402 rebound, montant 402 drives first dog 403 and moves, first dog 403 cooperation second disc 401 can extrude spring 7, when the lower surface of flange 301 and the upper surface laminating of first disc 303, and the through-hole of flange 301 aligns the back with the recess of first disc 303, loosen second dog 403, montant 402 can enter into the recess of first disc 303 under the spring action of spring 7, just so through montant 402 and first disc 303 alright with carry out spacingly to bolt body 1, prevent that it from taking place to become flexible, when needing to dismantle this device, only need upwards stimulate montant 402, reverse rotation bolt body 1 again can, so not only be applicable to in the caulking groove structure of quick detach and fast ann, and application scope has also been improved.

Example two

Referring to fig. 1 and 5, the present invention provides a technical solution: according to the anti-loosening screw designed based on the caulking groove structure, the connecting device 3 can further comprise a transverse groove 3A1 and a longitudinal groove 3A2, the transverse groove 3A1 is formed in the upper surface of the bolt head 302, the longitudinal groove 3A2 is formed in the outer side of the transverse groove 3A1, and the longitudinal groove 3A2 is formed in the upper surface of the bolt head 302;

the transverse groove 3A1 and the longitudinal groove 3A2 can be machined on the upper surface of the bolt head 302, so that the transverse groove 3A1 and the longitudinal groove 3A2 facilitate external objects to drive the bolt head 302 to rotate.

In this embodiment, when the operator needs to use the anti-loosening screw based on the caulking groove structure design, the transverse groove 3A1 and the longitudinal groove 3A2 can be processed on the upper surface of the screw head 302, so that the screw head 302 can be driven to rotate by the external objects conveniently through the transverse groove 3A1 and the longitudinal groove 3 A2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a locking screw that moves based on caulking groove structural design, includes screw body (1) and screw thread (2), the outer wall processing of screw body (1) has screw thread (2), its characterized in that: the lower surface rigid coupling of screw body (1) has screw bottom (5), connecting device (3) are installed to the top of screw body (1), anti-loosening device (4) are installed to the top of connecting device (3).

2. The anti-loosening screw designed based on the caulking groove structure as claimed in claim 1, is characterized in that: connecting device (3) are including flange (301), with screw body (1) looks rigid coupling in the middle of the lower surface of flange (301), the upper surface rigid coupling of flange (301) has screw head (302), the lower surface mounting of flange (301) has first disc (303), and the outer wall clearance fit of the through-hole department inner wall of first disc (303) and screw body (1), the processing of the lower surface outer end of first disc (303) has a plurality of jack catchs (304).

3. The anti-loosening screw designed based on the caulking groove structure as claimed in claim 2, wherein: locking device (4) are including second disc (401), control the lower surface and flange (301) looks rigid coupling of second disc (401), the internally mounted of second disc (401) has montant (402), and the centre of montant (402) and below outer wall respectively with the through-hole department inner wall of second disc (401) and the groove inside wall clearance fit of first disc (303), the centre outer wall rigid coupling of montant (402) has first dog (403), and the outer wall of first dog (403) and the through-hole department inner wall clearance fit of flange (301).

4. The anti-loosening screw designed based on the caulking groove structure as claimed in claim 3, wherein: the upper surface of the vertical rod (402) is fixedly connected with a second stop block (6).

5. The anti-loosening screw designed based on the caulking groove structure as claimed in claim 3, wherein: spring (7) are installed to the middle outer wall of montant (402), and the top and bottom outer wall of spring (7) respectively with first dog (403) and second disc (401) looks rigid coupling, the outer wall of spring (7) and the through-hole department inner wall clearance fit of flange (301).

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