CN211009528U

CN211009528U - Fastener and matched wrench thereof

Info

Publication number: CN211009528U
Application number: CN201921985390.7U
Authority: CN
Inventors: 钱成森
Original assignee: Zhejiang Qiangli Fastener Co ltd
Current assignee: Zhejiang Qiangli Fastener Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-07-14
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a fastener relates to the fastener field, and it includes screw bolt and nut, and the bolt includes nut and screw rod, and the lower extreme outer wall of screw rod runs through there is the mounting hole, and horizontal sliding connection has a pair of installation pole in the mounting hole, is provided with the spring between a pair of installation pole, and the spring is located the mounting hole, and the one end that the installation pole is located the screw rod outside is circular-arc setting to run through being provided with the accommodation hole that supplies the installation pole to peg graft on the nut. The utility model has the advantages of it is following and effect: through setting up the accommodation hole on the installation pole plug nut, realize that the locking of nut is fixed, avoid the nut not hard up phenomenon to fastening degree and stability when having increased the fastener and using.

Description

Fastener and matched wrench thereof

Technical Field

The utility model relates to a fastener field, in particular to fastener and supporting spanner thereof.

Background

Fasteners, also known as standard parts on the market, are a general term for a type of mechanical parts used when fastening two or more parts or components into one piece.

The conventional fastener is generally composed of a bolt and a nut, and when the conventional fastener is used for a long time, the nut is easy to loosen, so that the fastening degree of the fastener is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fastener and supporting spanner thereof has locking effect of moving.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a fastener, includes bolt and nut, the bolt includes nut and screw rod, the lower extreme outer wall of screw rod runs through there is the mounting hole, horizontal sliding connection has a pair of installation pole in the mounting hole, and is a pair of be provided with the spring between the installation pole, the spring is located in the mounting hole, the installation pole is located the outside one end of screw rod is circular-arc setting, and run through on the nut and be provided with the confession the accommodation hole that the installation pole was pegged graft.

Through adopting above-mentioned technical scheme, when screwing the nut, locate the outer wall of screw rod with the nut cover to the drive nut screws. When the nut moves to the position of the mounting rod, the pair of mounting rods are pressed to be close to each other, and at the moment, the mounting rods slide along the inner wall of the mounting hole and press the spring to compress. Continuing the drive nut rotation afterwards, the installation pole is contradicted the inner wall of nut simultaneously, and when the nut was screwed, the accommodation hole was aimed at just to the installation pole, and the spring is flicked and the outside slip of drive installation pole this moment, and the accommodation hole on the nut was pegged graft to the installation pole afterwards realizes that the locking of nut is fixed. When the nut is unscrewed, the thin rod is inserted into the accommodating hole, the pair of mounting rods are driven to be close to each other, and when the pair of mounting rods are separated from the accommodating hole, the nut can be driven to move downwards, so that the nut is unscrewed. Consequently, through setting up the accommodation hole on the installation pole plug nut, realize that the locking of nut is fixed, avoid the nut not hard up phenomenon to fastening degree and stability when having increased the fastener and using.

The utility model discloses a further set up to: the nut with one side that the nut is close to each other all is provided with a plurality of latches, and the latch is located the nut with the outward flange position of nut.

Through adopting above-mentioned technical scheme, when nut and nut compress tightly the component that needs to be fixed, through setting up the frictional force between latch increase and the component to avoid bolt and nut to take place to rotate or not hard up the phenomenon, stability when the increase fastener uses.

Another object of the present invention is to provide a wrench, which has the effect of loosening and screwing the nut conveniently.

The above technical purpose of the present invention can be achieved by the following technical solutions: a spanner is used for foretell fastener, includes handle and spanner, the spanner includes a pair of chuck that is used for the centre gripping nut outer wall, every equal level has run through the sliding hole on the chuck, sliding connection has in the sliding hole is used for imbedding the slide bar in the accommodation hole.

Through adopting above-mentioned technical scheme, when needs unscrew nut, utilize behind a pair of chuck centre gripping nut, the accommodation hole on the drive slide bar plug nut to utilize the slide bar drive installation pole to break away from the accommodation hole. And finally, driving the handle to drive the wrench head to rotate so as to realize the loosening control of the nut. Therefore, the nut can be loosened more easily and conveniently by arranging the spanner matched with the nut.

The utility model discloses a further set up to: the one end that the slide bar deviates from each other all is provided with the handle, the cover is established at the slide bar and is had the extension spring, the extension spring is located the handle with between the outer wall of chuck.

Through adopting above-mentioned technical scheme, when needs unscrew nut, pulling handle drives the slide bar and outwards slides, and handle pulling extension spring extension this moment. When the chuck clamps the nut, the handle is loosened, and the tension spring retracts to drive the handle and the sliding rod to move reversely. At the moment, the sliding rod automatically drives the installation rod to be separated from the accommodating groove, so that the screwing-unscrewing process of the nut is easier and more convenient.

The utility model discloses a further set up to: the lower extreme of handle is provided with the receiver, the opening part cover of receiver is equipped with sealed lid, and sealed lateral wall with be provided with between the lateral wall of receiver and connect the rope.

Through adopting above-mentioned technical scheme, after taking off the nut, will seal the lid and open, then can pack into the containing box with bolt and nut, will seal the lid at last and install on the receiver, can realize accomodating of bolt and nut to avoid bolt and nut to appear losing the phenomenon.

To sum up, the utility model discloses following beneficial effect has:

1. the nut is locked and fixed by arranging the accommodating hole of the mounting rod inserted nut, so that the nut is prevented from loosening, and the fastening degree and stability of the fastening piece during use are improved;

2. the friction force between the fastening piece and the component is increased by arranging the latch, so that the phenomenon that the bolt and the nut rotate or loosen is avoided, and the stability of the fastening piece in use is improved;

3. the wrench matched with the nut is arranged to automatically drive the mounting rod to be separated from the accommodating hole, so that the nut loosening process is easier and more convenient;

4. through the cooperation that sets up receiver and sealed lid, realize accomodating of bolt and nut to avoid bolt and nut to appear losing the phenomenon.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the connection relation of embodiment 1;

fig. 3 is a schematic structural view of a wrench according to embodiment 2.

Reference numerals: 1. a bolt; 11. a nut; 12. a screw; 13. mounting holes; 14. mounting a rod; 15. a spring; 2. a nut; 21. an accommodation hole; 3. clamping teeth; 4. a handle; 5. a wrench head; 51. a chuck; 52. a slide hole; 53. a slide bar; 54. a handle; 55. a tension spring; 6. a storage box; 61. a sealing cover; 62. and connecting ropes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the fastener comprises a bolt 1 and a nut 2, wherein the bolt 1 comprises a nut 11 and a screw 12. The nut 11 all is provided with a plurality of latches 3 with the nut 2 one side that is close to each other to latch 3 is located the outward flange position of nut 2 and nut 2.

When the fastening piece is used for fixing the component, the nut 11 and the nut 2 are used for compressing the component to be fixed, at the moment, the friction force between the component and the bolt 1 and the nut 2 is increased by arranging the clamping teeth 3, the phenomenon that the bolt 1 and the nut 2 rotate or loosen is avoided, and the stability of the fastening piece in use is improved.

As shown in fig. 1 and 2, a mounting hole 13 is formed through the outer wall of the lower end of the screw 12, a pair of mounting rods 14 are connected horizontally and smoothly in the mounting hole 13, and one end of the mounting rod 14 located outside the screw 12 is provided in an arc shape.

As shown in fig. 1 and 2, a spring 15 is provided between the pair of mounting rods 14, the spring 15 is located in the mounting hole 13, and a receiving hole 21 into which the mounting rod 14 is inserted is provided through the nut 2.

When the nut 2 is screwed, the nut 2 is sleeved on the outer wall of the screw 12, and the nut 2 is driven to be screwed. Until the nut 2 moves to the position of the mounting rod 14, the pair of mounting rods 14 are pressed to approach each other, and at the same time, the mounting rods 14 slide along the inner wall of the mounting hole 13 and the pressing spring 15 is compressed.

Subsequently, the nut 2 is driven to rotate continuously, the mounting rod 14 abuts against the inner wall of the nut 2 at the same time, until the nut 2 is screwed, the mounting rod 14 is aligned with the accommodating hole 21 exactly, at the moment, the spring 15 springs open and drives the mounting rod 14 to slide outwards, and then the mounting rod 14 is inserted into the accommodating hole 21 in the nut 2, so that the nut 2 is locked and fixed.

When the nut 2 is unscrewed, the thin rod is inserted into the receiving hole 21, and the pair of mounting rods 14 are driven to approach each other until the pair of mounting rods 14 are completely separated from the receiving hole 21, the nut 2 is driven to move downwards, and therefore the nut 2 is unscrewed.

Example 2: as shown in fig. 2 and 3, a wrench for the above-mentioned fastener comprises a handle 4 and a wrench head 5, wherein the wrench head 5 comprises a pair of jaws 51 for gripping the outer wall of the nut 2.

As shown in fig. 2 and 3, each collet 51 has a sliding hole 52 horizontally formed therethrough, and a sliding rod 53 slidably inserted into the receiving hole 21 is slidably coupled to the sliding hole 52.

As shown in fig. 3, the ends of the sliding rods 53 facing away from each other are provided with handles 54, the sliding rods 53 are sleeved with tension springs 55, and the tension springs 55 are located between the handles 54 and the outer walls of the chucks 51.

When the nut 2 needs to be unscrewed, the handle 54 is pulled to drive the sliding rod 53 to slide outwards, and at the moment, the handle 54 pulls the tension spring 55 to extend. Then, after the nut 2 is clamped by the pair of chucks 51, the knob 54 is released, at which time the tension spring 55 is retracted and drives the knob 54 and the slide rod 53 to move reversely, and then the mounting rod 14 is automatically driven to be disengaged from the receiving hole 21 by the slide rod 53. Finally, the handle 4 is driven to drive the wrench head 5 to rotate, so that the loosening control of the nut 2 is realized.

As shown in fig. 2 and 3, a storage case 6 is provided at a lower end of the handle 54, a sealing cover 61 is fitted over an opening of the storage case 6, and a connecting string 62 is provided between a side wall of the sealing cover 61 and a side wall of the storage case 6.

After taking off nut 2, open sealed lid 61, then can pack into receiver 6 with bolt 1 and nut 2 in, install sealed lid 61 on receiver 6 at last, can realize accomodating of bolt 1 and nut 2 to avoid bolt 1 and nut 2 to appear losing the phenomenon.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A fastener comprising a bolt (1) and a nut (2), said bolt (1) comprising a nut (11) and a shank (12), characterized in that: the lower extreme outer wall of screw rod (12) runs through there is mounting hole (13), horizontal smooth motion is connected with a pair of installation pole (14) in mounting hole (13), and is a pair of be provided with spring (15) between installation pole (14), spring (15) are located in mounting hole (13), installation pole (14) are located the outside one end of screw rod (12) is circular-arc setting, and run through on nut (2) and be provided with the confession accommodation hole (21) that installation pole (14) were pegged graft.

2. A fastener according to claim 1, wherein: the nut (11) with one side that nut (2) are close to each other all is provided with a plurality of latches (3), and latch (3) are located nut (11) with the outward flange position of nut (2).

3. A wrench for adapting a fastener as claimed in any one of claims 1 to 2, comprising a handle (4) and a wrench head (5), characterized in that: the wrench head (5) comprises a pair of clamping heads (51) used for clamping the outer wall of the nut (2), each clamping head (51) is horizontally provided with a sliding hole (52) in a penetrating mode, and a sliding rod (53) used for being embedded into the accommodating hole (21) is connected in the sliding hole (52) in a sliding mode.

4. A wrench as claimed in claim 3, wherein: one end that sliding rod (53) deviate from each other all is provided with handle (54), sliding rod (53) are gone up the cover and are established there are extension spring (55), extension spring (55) are located handle (54) with between the outer wall of chuck (51).

5. A wrench as claimed in claim 4, wherein: the storage box (6) is arranged at the lower end of the handle (54), a sealing cover (61) is sleeved at an opening of the storage box (6), and a connecting rope (62) is arranged between the side wall of the sealing cover (61) and the side wall of the storage box (6).