CN212899323U

CN212899323U - Screw convenient to lock

Info

Publication number: CN212899323U
Application number: CN202021039527.2U
Authority: CN
Inventors: 丁金钟; 丁震龙
Original assignee: Suzhou Langgu Hardware Co ltd
Current assignee: Suzhou Langgu Hardware Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-06
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a screw convenient to lock, which comprises a screw rod and a nut, wherein the nut is arranged at the top end of the screw rod, the bottom end of the screw rod is provided with a drill bit, the top of the screw cap is fixedly provided with a hexagon nut, the top of the screw cap is provided with a locking groove through the hexagon nut, a plurality of mounting grooves are arranged at the bottom of the screw cap at equal intervals, elastic pieces are fixedly arranged inside the mounting grooves, the bottom of the nut cap is provided with a gasket through the elastic piece, the hexagonal nut and the nut cap are fixed through welding, the elastic piece consists of a sleeve, a spring, a movable block and a telescopic rod, the sleeve is of a bottom opening structure, the movable block is movably arranged inside the sleeve, the spring is arranged at the top of the movable block, and the telescopic rod is arranged at the bottom of the movable block. The utility model discloses a set up a series of structures and make this device have the effectual and characteristics of being convenient for rotate the screw rod of locking.

Description

Screw convenient to lock

Technical Field

The utility model relates to a screw technical field specifically is a screw convenient to locking.

Background

The screw is a common fastener and is widely used in machinery, electrical appliances and buildings. Generally, the material is metal or plastic, and is cylindrical, and the grooves with the concave and convex surfaces are called as screw threads.

The existing screw is often withdrawn from the screw hole due to external factors after being installed in the screw hole, so that a fixed object cannot be completely fixed, when the existing screw is used in a special occasion, even a large potential safety hazard exists, most of the existing screws can only be screwed tightly through a screwdriver, and the screws are difficult to lock without the screwdriver, so that the problem of being convenient to lock is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw convenient to locking to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw convenient to lock, includes screw rod and nut, the nut sets up the top of screw rod, the bottom of screw rod is provided with the drill bit, the top fixed mounting of nut has hexagon nut, the top of nut is passed through hexagon nut is provided with the locked groove, a plurality of mounting groove has been seted up to the equidistant bottom of nut, mounting groove's inside fixed mounting has the elastic component, the bottom of nut is passed through the gasket is installed to the elastic component.

Preferably, the hexagonal nut and the nut are fixed by welding.

Preferably, the bottom of the gasket is provided with a rubber ring, and the rubber ring is fixedly bonded with the gasket through a strong glue.

Preferably, the elastic component comprises sleeve pipe, spring, movable block and telescopic link, the sleeve pipe is bottom open structure, the movable block movable mounting be in sheathed tube inside, the spring sets up the top of movable block, the telescopic link is installed the bottom of movable block.

Preferably, an annular limiting block is arranged on the inner side of the opening at the bottom of the sleeve.

Preferably, the bottom end of the locking groove is provided with a cross-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, a plurality of mounting groove has been seted up through equidistant in the bottom of nut, mounting groove's inside fixed mounting has the elastic component, the gasket is installed through the elastic component in the bottom of nut, when screw rod and drill bit bore into the deepest of screw, elasticity through the spring, make the gasket compress tightly the surface by the retaining member, and then can effectually make screw locking in the inside of screw, be difficult for droing, and there is hexagon nut through the top fixed mounting at the nut, hexagon nut is provided with the locking groove at the top of nut through hexagon nut, the cross recess has been seted up to the bottom in locking groove, and then make this device when using, except that the accessible bottle opener locks, can also directly entangle hexagon nut through other retaining members, rotate the screw rod.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the interior of the elastic member of the present invention.

In the figure: 1. a screw; 2. a drill bit; 3. a nut; 4. a hexagonal nut; 5. a gasket; 6. a rubber ring; 7. installing a groove; 8. an elastic member; 9. a locking groove; 10. a cross-shaped groove; 11. a sleeve; 12. a spring; 13. a movable block; 14. a telescopic rod; 15. annular stopper.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a screw technical scheme convenient to locking, includes screw rod 1 and nut 3, nut 3 sets up on screw rod 1's top, and screw rod 1's bottom is provided with drill bit 2, and nut 3's top fixed mounting has hexagon nut 4, and nut 3's top is provided with locking groove 9 through hexagon nut 4, and a plurality of mounting groove 7 has been seted up to nut 3's bottom equidistant, and mounting groove 7's inside fixed mounting has elastic component 8, and gasket 5 is installed through elastic component 8 in nut 3's bottom.

Preferably, the hexagonal nut 4 and the nut 3 are fixed by welding, so that the connection stability of all the parts of the device is high.

Preferably, the bottom of gasket 5 is provided with rubber circle 6, and rubber circle 6 and gasket 5 are fixed through the powerful gluey bonding between, increase gasket 5 and the surperficial frictional force of the fastening piece of being locked.

Preferably, the elastic member 8 is composed of a sleeve 11, a spring 12, a movable block 13 and a telescopic rod 14, the sleeve 11 is of a bottom opening structure, the movable block 13 is movably installed inside the sleeve 11, the spring 12 is arranged at the top of the movable block 13, and the telescopic rod 14 is installed at the bottom of the movable block 13.

Preferably, an annular stop block 15 is disposed at the inner side of the bottom opening of the sleeve 11 to prevent the movable block 13 from popping out of the sleeve 11 due to the elasticity of the spring 12.

Preferably, the bottom end of the locking groove 9 is provided with a cross-shaped groove 10, so that the device can be locked by a screwdriver in a rotating way.

The working principle is as follows: before use, the safety of each structure of the device is checked, a plurality of mounting grooves 7 are arranged at the bottom of the screw cap 3 at equal intervals, elastic pieces 8 are fixedly arranged inside the mounting grooves 7, a gasket 5 is arranged at the bottom of the screw cap 3 through the elastic pieces 8, when the screw rod 1 and the drill bit 2 are drilled into the deepest part of the screw hole, the gasket 5 is pressed against the surface of the locked piece through the elasticity of the spring 12, further effectively locking the screw in the screw hole and preventing the screw from falling off, and by fixedly installing the hexagon nut 4 on the top of the nut 3, the top of the nut 3 is provided with a locking groove 9 through the hexagon nut 4, the bottom end of the locking groove 9 is provided with a cross-shaped groove 10, when the device is used, the hexagonal nut 4 can be directly sleeved by other locking parts besides the screwdriver, so that the screw rod 2 can be rotated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and any standard components found in known art that may be commercially available or commercially available and may be readily customized based on the teachings of the specification and the drawings, and that the particular connection between the various components is by conventional means well known in the art, and that the machine, component, or apparatus is by model and circuit connection is by conventional means well known in the art, and will not be described in detail herein.

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

1. The utility model provides a screw convenient to lock, includes screw rod (1) and nut (3), its characterized in that: nut (3) set up the top of screw rod (1), the bottom of screw rod (1) is provided with drill bit (2), the top fixed mounting of nut (3) has hexagon nut (4), the top of nut (3) is passed through hexagon nut (4) are provided with locking groove (9), a plurality of mounting groove (7) have been seted up to the bottom of nut (3) equidistant, the inside fixed mounting of mounting groove (7) has elastic component (8), the bottom of nut (3) is passed through gasket (5) are installed to elastic component (8).

2. A screw for facilitating locking according to claim 1, wherein: the hexagonal nut (4) and the nut (3) are fixed through welding.

3. A screw for facilitating locking according to claim 1, wherein: the bottom of gasket (5) is provided with rubber circle (6), rubber circle (6) with it is fixed to bond through the super glue between gasket (5).

4. A screw for facilitating locking according to claim 1, wherein: elastic component (8) comprise sleeve pipe (11), spring (12), movable block (13) and telescopic link (14), sleeve pipe (11) are bottom open structure, movable block (13) movable mounting be in the inside of sleeve pipe (11), spring (12) set up the top of movable block (13), telescopic link (14) are installed the bottom of movable block (13).

5. A screw for facilitating locking according to claim 4, wherein: an annular limiting block (15) is arranged on the inner side of the opening at the bottom of the sleeve (11).

6. A screw for facilitating locking according to claim 1, wherein: the bottom end of the locking groove (9) is provided with a cross-shaped groove (10).