CN220551355U - Locking bolt capable of limiting - Google Patents

Abstract

The utility model discloses a locking bolt capable of limiting, and relates to the technical field of locking bolts. According to the utility model, the limit rod is pressed into the groove in advance, the screw rod is screwed into the internal thread pipe, and when the screw rod enters a certain depth and the position of the limit rod is just matched with the position of the limit hole, the limit rod can be inserted into the limit hole under the action of the elastic force of the spring, so that the screw rod and the internal thread pipe are limited together, the subsequent screw rod cannot rotate and cannot move up and down continuously, the installation depth of the screw rod can be limited, and the phenomenon of loosening of the screw rod can be prevented.

Description

Locking bolt capable of limiting

Technical Field

The utility model relates to the technical field of locking bolts, in particular to a locking bolt capable of limiting.

Background

The bolt and the mechanical part are composed of a head part and a screw rod, namely a cylinder with external threads, the bolt is called a screw by a plurality of names, the bolt is called a bolt by a person, and the fastener by a plurality of names, which are the same meaning, but are all bolts by the same meaning, the bolt is a tool for fastening a machine part step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of an object, the alloy bolt belongs to one kind of bolts, and the utility model provides a locking bolt capable of limiting.

The existing locking bolt is inconvenient to limit and install in the installation process, even if the bolt is installed well, the bolt lacks a limiting structure and still can rotate, so that the bolt is easy to loose.

Disclosure of Invention

The utility model aims to provide a locking bolt capable of limiting, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a lock bolt that can be limited, comprising:

the hexagonal head, the bottom welding of hexagonal head has the screw rod, the externally mounted of screw rod has the internal thread pipe, and the outside both sides below of internal thread pipe is seted up spacing hole, the inside below of screw rod is seted up flutedly, and the internally mounted of recess has the fixed plate, the outside both sides of fixed plate are connected with the spring, and the end-to-end connection of spring has the gag lever post.

Preferably, a straight groove is formed in the bottom of the internal thread pipe, and the depth of the straight groove is smaller than the wall thickness of the internal thread pipe.

Preferably, a detachable structure is formed between the hexagonal head and the internal thread pipe through a screw rod, and the vertical central axes of the hexagonal head, the screw rod and the internal thread pipe are coincided.

Preferably, an elastic structure is formed between the limiting rod and the fixed plate through a spring, and the diameter of the limiting rod is smaller than the inner diameter of the limiting hole.

Preferably, the outer wall of the limiting rod is attached to the inner wall of the groove, and the groove is of a through hole.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the limit rod is pressed into the groove in advance, the screw rod is screwed into the internal thread pipe, and when the screw rod enters a certain depth and the position of the limit rod is just matched with the position of the limit hole, the limit rod can be inserted into the limit hole under the action of the elastic force of the spring, so that the screw rod and the internal thread pipe are limited together, the subsequent screw rod cannot rotate and cannot move up and down continuously, the installation depth of the screw rod can be limited, and the phenomenon of loosening of the screw rod can be prevented.

Drawings

FIG. 1 is a schematic view of an overall three-dimensional structure in the present utility model;

FIG. 2 is a schematic view of a partial internal structure of the present utility model;

FIG. 3 is a schematic view of the bottom surface structure of the internally threaded tube according to the present utility model.

Legend description:

1. a hexagonal head; 2. a limit rod; 3. a limiting hole; 4. an internally threaded tube; 5. a screw; 6. a spring; 7. a fixing plate; 8. a straight slot; 9. a groove.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-3, a locking bolt capable of limiting comprises a hexagon head 1, wherein a screw 5 is welded at the bottom of the hexagon head 1, an internal thread pipe 4 is arranged outside the screw 5, limiting holes 3 are formed below two sides of the outside of the internal thread pipe 4, a detachable structure is formed between the hexagon head 1 and the internal thread pipe 4 through the screw 5, vertical central axes of the hexagon head 1, the screw 5 and the internal thread pipe 4 are overlapped, the screw 5 can be screwed into the internal of the internal thread pipe 4 to connect the screw 5 with the internal thread pipe 4, and therefore the hexagon head 1 and the internal thread pipe 4 can be connected together;

the groove 9 is formed in the lower portion of the inside of the screw 5, the fixing plate 7 is arranged in the groove 9, springs 6 are connected to the two sides of the outer portion of the fixing plate 7, the limiting rod 2 is connected to the tail end of the springs 6, an elastic structure is formed between the limiting rod 2 and the fixing plate 7 through the springs 6, the diameter of the limiting rod 2 is smaller than the inner diameter of the limiting hole 3, the limiting rod 2 is connected with the fixing plate 7 through the springs 6, the springs 6 can play a supporting role on the limiting rod 2, the limiting rod 2 can extend out of the groove 9 under the action of the elastic force of the springs 6, the diameter of the limiting rod 2 is smaller than the inner diameter of the limiting hole 3, when the positions of the limiting rod 2 and the limiting hole 3 are matched, the limiting rod 2 can be inserted into the limiting hole 3, accordingly the screw 5 and the internal thread pipe 4 can be limited together, the subsequent screw 5 cannot rotate, the outer wall of the limiting rod 2 is attached to the inner wall of the groove 9, the type of the groove 9 is a through hole, and the limiting rod 2 is attached to the inner wall of the groove 9 in a smooth moving mode when the left and right of the limiting rod 2 is attached to the inner wall of the groove 9, and the moving performance is good;

the bottom of the internal thread pipe 4 is provided with a straight slot 8, the depth of the straight slot 8 is smaller than the wall thickness of the internal thread pipe 4, a straight screwdriver can be inserted into the inner part of the straight slot 8, the internal thread pipe 4 can be rotated by the straight screwdriver, the internal thread pipe 4 is separated from the screw 5, and the other disassembling mode of the bolt is realized.

Working principle: before the installation, the manual work is pressed into the inside of recess 9 with gag lever post 2, inserts the inside of internal thread pipe 4 with screw rod 5 again, rotate hexagon head 1 for inside screw rod 5 is constantly in deep into internal thread pipe 4, and when screw rod 5 gets into the position phase-match in certain degree of depth back, gag lever post 2 just inserts the inside in spacing hole 3 under spring 6 elasticity effect, thereby can be in the same place screw rod 5 and internal thread pipe 4 restriction, and it is also unable to continue to reciprocate to make follow-up screw rod 5 unable take place to rotate, not only can play the locking effect of moving, can also carry out spacingly to the installation degree of depth of bolt.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. A lock bolt capable of limiting, comprising:

the hexagonal head (1), the bottom welding of hexagonal head (1) has screw rod (5), the externally mounted of screw rod (5) has internal thread pipe (4), and has seted up spacing hole (3) in the outside both sides below of internal thread pipe (4), recess (9) are seted up to the inside below of screw rod (5), and the internally mounted of recess (9) has fixed plate (7), the outside both sides of fixed plate (7) are connected with spring (6), and the end-to-end connection of spring (6) has gag lever post (2).

2. The limit lock bolt of claim 1, wherein: a straight groove (8) is formed in the bottom of the inner threaded pipe (4), and the depth of the straight groove (8) is smaller than the wall thickness of the inner threaded pipe (4).

3. The limit lock bolt of claim 1, wherein: the hexagonal head (1) and the internal thread pipe (4) form a detachable structure through the screw rod (5), and the vertical central axes of the hexagonal head (1), the screw rod (5) and the internal thread pipe (4) coincide.

4. The limit lock bolt of claim 1, wherein: an elastic structure is formed between the limiting rod (2) and the fixed plate (7) through a spring (6), and the diameter of the limiting rod (2) is smaller than the inner diameter of the limiting hole (3).

5. The limit lock bolt of claim 1, wherein: the outer wall of the limiting rod (2) is attached to the inner wall of the groove (9), and the groove (9) is of a penetrating hole.