CN216867245U

CN216867245U - Stainless steel fastener

Info

Publication number: CN216867245U
Application number: CN202122372301.5U
Authority: CN
Inventors: 徐海根; 曾宪河
Original assignee: Aerospace Huashengyuan Electrical And Mechanical Suzhou Co ltd
Current assignee: Aerospace Huashengyuan Electrical And Mechanical Suzhou Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-01
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a stainless steel fastener, which comprises a screw, wherein a nut is sleeved on the screw in a threaded manner, the screw is fixedly provided with a nut, the nut is provided with an auxiliary disassembling assembly in a rotating manner, the screw is internally and fixedly provided with a locking assembly, the locking assembly comprises a movable rod and a second spring, the movable rod penetrates through the tops of the screw and the nut, the outer surface of the movable rod is fixedly sleeved with a connecting block, the second spring is fixedly connected to the inner wall of the screw, and the end part, far away from the inner wall of the screw, of the second spring is fixedly provided with a rectangular block; when the tool is not used, the screw rod can be rotated by rotating the two rotating plates, so that a user can install and detach the screw rod without using tools.

Description

Stainless steel fastener

Technical Field

The utility model relates to the technical field of stainless steel fasteners, in particular to a stainless steel fastener.

Background

Stainless steel fastener is often used for the fastening on the machine parts, and through connecting the work structure of combination machine to adjacent part when stainless steel fastener uses, social and industry demand are big, are necessary connection fittings.

The existing stainless steel fastener is poor in fastening effect, after the stainless steel fastener is used for a long time, a nut on the stainless steel fastener can be loosened, the problem of safety in use is easily caused, tools such as a wrench are needed in the use process of the stainless steel fastener, a screw is difficult to screw under the condition that no tool exists, and therefore the stainless steel fastener is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a stainless steel fastener that solves the problems set forth above in the background.

In order to solve the technical problems, the utility model adopts the following technical scheme: a stainless steel fastener comprises a screw, wherein a nut is sleeved on the screw in a threaded manner, a nut is fixedly arranged on the screw, an auxiliary disassembling assembly is arranged on the nut in a rotating manner, and a locking assembly is fixedly arranged inside the screw;

the locking subassembly includes movable rod and second spring, the movable rod runs through the top of screw rod and nut, the fixed cover of movable rod surface is equipped with the connecting block, second spring fixed connection is at the inner wall of screw rod, the end fixing that the screw rod inner wall was kept away from to the second spring is equipped with the rectangular block, the rectangular block is tangent with the relative side surface of connecting block, the rectangular block is kept away from connecting block one side and is fixed to be equipped with the inserted bar, the screw rod has seted up the jack on being close to the second spring surface, the movable inserting of inserted bar is established in the jack.

Preferably, supplementary dismantlement subassembly includes commentaries on classics piece, picture peg and inserted block, the commentaries on classics piece rotates the upper surface of connecting at the nut, the fixed cover of commentaries on classics piece surface is equipped with the commentaries on classics board, first slot has been seted up to the commentaries on classics board upper surface, the picture peg is mobile to be inserted and is established in first slot, the picture peg is close to the fixed first spring that is equipped with in one side of inserted block, the tip fixedly connected with inserted block of picture peg is kept away from to first spring, the second slot has been seted up to the nut upper surface, the inserted block is mobile to be inserted and is established in the second slot.

Preferably, the end part of the movable rod, which is far away from the connecting block, is fixedly provided with a fixing block, a screw is inserted into the fixing block through threads, and the end part of the screw penetrates through the upper surface of the nut.

Preferably, the connecting block is in sliding fit with the rectangular block.

Preferably, the number of the first springs is four, and the first spring array is distributed between the insert plate and the insert block.

Preferably, the first slot and the second slot are the same size.

Compared with the prior art, the utility model has the beneficial effects that:

1. after the nut is installed on the screw rod for fixing, in order to prevent the nut from being separated from the screw rod after being vibrated, the movable rod can be pressed downwards to drive the connecting block to move downwards, so that the rectangular block is driven by the connecting block to move towards the inner wall of the screw rod to enable the second spring to contract, and finally the inserting rod penetrates through the inserting hole to enable the nut to be located in the middle of the inserting rod, so that the nut is prevented from falling off and potential safety hazards are avoided;

2. when the tool is not used, the first spring can be contracted by pressing the inserting block, then the inserting plate is taken out from the first slot and the second slot, so that the fixing of the rotating plates is released, and then the screw rod can be rotated by rotating the two rotating plates, so that a user can install and detach the screw rod without the help of tools.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the anti-loosening assembly of the present invention;

FIG. 3 is a schematic view of an auxiliary release assembly according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a stainless steel fastener, which comprises a screw rod 1, wherein a nut 2 is sleeved on the screw rod 1 in a threaded manner, a nut 11 is fixedly arranged on the screw rod 1, an auxiliary disassembling component 3 is arranged on the nut 11 in a rotating manner, and a locking component 4 is fixedly arranged in the screw rod 1, so that the nut 2 can be prevented from being separated from the screw rod 1, and potential safety hazards are avoided;

the anti-loosening component 4 comprises a movable rod 41 and a second spring 43, the movable rod 41 penetrates through the tops of the screw rod 1 and the screw cap 11, a connecting block 42 is fixedly sleeved on the outer surface of the movable rod 41, a fixed block 47 is fixedly arranged at the end part of the movable rod 41 far away from the connecting block 42 so as to enable the movable rod 41 to move downwards, a screw 48 is inserted in a thread on the fixed block 47, the end part of the screw 48 penetrates through the upper surface of the screw cap 11 to be fixed in an auxiliary manner, the second spring 43 is fixedly connected to the inner wall of the screw rod 1, a rectangular block 44 is fixedly arranged at the end part of the second spring 43 far away from the inner wall of the screw rod 1, the rectangular block 44 is tangent to the surface of one side, opposite to the connecting block 42, the connecting block 42 is in sliding fit with the rectangular block 44, an inserting rod 45 is fixedly arranged at one side of the rectangular block 44 far away from the connecting block 42, jacks 46 are formed in the outer surface of the screw rod 1 close to the second spring 43, four jacks 46 are formed in an array manner and are distributed on the outer surface of the screw rod 1, similarly, the number of the insertion rods 45 is four, the insertion rods 45 are movably inserted into the insertion holes 46, after the nut 2 is mounted on the screw rod 1 for fixing, in order to prevent the nut 2 from being separated from the screw rod 1 after being vibrated, the movable rod 41 can be pressed downwards to drive the connecting block 42 to move downwards, so that the connecting block 42 drives the rectangular block 44 to move towards the inner wall of the screw rod 1 to enable the second spring 43 to contract, finally, the insertion rods 45 penetrate through the insertion holes 46 to enable the nut 2 to be located in the middle of the insertion rods 45, and the nut is prevented from falling to avoid potential safety hazards.

Furthermore, the auxiliary dismounting assembly 3 comprises a rotating block 31, an inserting plate 34 and an inserting block 36, the rotating block 31 is rotatably connected to the upper surface of the nut 11, the rotating plate 32 is fixedly sleeved on the outer surface of the rotating block 31, a first slot 33 is formed in the upper surface of the rotating plate 32, the inserting plate 34 is movably inserted into the first slot 33, a first spring 35 is fixedly arranged on one side of the inserting plate 34 close to the inserting block 36, four first springs 35 are arranged, the first springs 35 are distributed between the inserting plate 34 and the inserting block 36 in an array manner, the end part, far away from the inserting plate 34, of the first spring 35 is fixedly connected with the inserting block 36, a second slot 37 is formed in the upper surface of the nut 2, the first slot 33 and the second slot 37 are the same in size, the inserting block 36 is movably inserted into the second slot 37, when the screw 1 does not need to rotate, the rotating plate 32 is fixed on the nut 11 by the inserting plate 34 matching with the first spring 35 and the inserting block 36, when no tool is used, the first spring 35 can be pressed to be contracted, then, the insert plate 34 is taken out from the first slot 33 and the second slot 37 to release the fixing of the rotating plates 32, and then the screw 1 is rotated by rotating the two rotating plates 32, so that the user can mount and dismount the screw 1 without using tools.

The working principle is as follows: when the nut 2 is installed on the screw rod 1 for fixing, in order to prevent the nut 2 from being separated from the screw rod 1 after being vibrated, the movable rod 41 can be pressed downwards to drive the connecting block 42 to move downwards, so that the rectangular block 44 is driven by the connecting block 42 to move towards the inner wall of the screw rod 1 to enable the second spring 43 to contract, and finally the inserting rod 45 penetrates through the inserting hole 46 to enable the nut 2 to be located in the middle of the inserting rod 45, so that the nut 2 is prevented from falling off and potential safety hazards are avoided.

When no tool is used, the first spring 35 can be contracted by pressing the insert block 36, then the insert plate 34 can be taken out from the first slot 33 and the second slot 37 to release the fixation of the rotating plates 32, and then the screw 1 can be rotated by rotating the two rotating plates 32, so that the user can mount and dismount the screw 1 without the help of tools.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A stainless steel fastener, includes screw rod (1), its characterized in that: a nut (2) is sleeved on the screw (1) in a threaded manner, a nut (11) is fixedly arranged on the screw (1), an auxiliary disassembling component (3) is rotationally arranged on the nut (11), and a locking component (4) is fixedly arranged in the screw (1);

locking subassembly (4) include movable rod (41) and second spring (43), movable rod (41) run through the top of screw rod (1) and nut (11), movable rod (41) outer fixed surface cover is equipped with connecting block (42), second spring (43) fixed connection is at the inner wall of screw rod (1), the end fixing of screw rod (1) inner wall is kept away from in second spring (43) is equipped with rectangular block (44), rectangular block (44) are tangent with the relative side surface of connecting block (42), rectangular block (44) are kept away from connecting block (42) one side and are fixed and are equipped with inserted bar (45), jack (46) have been seted up on screw rod (1) is close to second spring (43) outer surface, inserted bar (45) are movably inserted and are established in jack (46).

2. The stainless steel fastener of claim 1, characterized in that, supplementary dismantlement subassembly (3) include commentaries on classics piece (31), picture peg (34) and inserted block (36), commentaries on classics piece (31) rotate to be connected at the upper surface of nut (11), the fixed cover of commentaries on classics piece (31) surface is equipped with commentaries on classics board (32), first slot (33) have been seted up to commentaries on classics board (32) upper surface, picture peg (34) can movably insert and establish in first slot (33), picture peg (34) are close to one side fixed being equipped with first spring (35) of inserted block (36), the tip fixedly connected with inserted block (36) of picture peg (34) are kept away from in first spring (35), second slot (37) have been seted up to nut (2) upper surface, inserted block (36) can movably insert and establish in second slot (37).

3. The stainless steel fastener according to claim 1, wherein a fixed block (47) is fixedly arranged at the end of the movable rod (41) far away from the connecting block (42), a screw (48) is inserted in the fixed block (47) in a threaded manner, and the end of the screw (48) penetrates through the upper surface of the nut (11).

4. The stainless steel fastener of claim 1, wherein the connecting block (42) is in sliding engagement with a rectangular block (44).

5. The stainless steel fastener according to claim 2, wherein there are four first springs (35), and the first springs (35) are arranged in an array between the insert plate (34) and the insert block (36).

6. The stainless steel fastener of claim 2, wherein the first slot (33) is the same size as the second slot (37).