CN212106515U

CN212106515U - Single-angle special-shaped crossed expansion bolt

Info

Publication number: CN212106515U
Application number: CN202020111410.4U
Authority: CN
Inventors: 石鸿儒
Original assignee: Handan Quhong Trading Co ltd
Current assignee: Handan Quhong Trading Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-08
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a crossing expansion bolts of single angle dysmorphism, including the eared nut, the middle part riveting of an expansion link is between the two otic placodes of eared nut, and the screw hole female connection of eared nut has the screw rod, screw rod screw in threaded hole to promote the expansion link and rotate, make the both ends of expansion link outwards strut, strut in the wall hole that required fixed and drilled out, the utility model discloses set up an expansion link, both ends outwards strut respectively on an expansion link of expansion bolts, only an expansion link to do not influence the effect, saved the resource moreover. The utility model is suitable for a bolt technical field.

Description

Single-angle special-shaped crossed expansion bolt

Technical Field

The utility model belongs to the technical field of the bolt, specifically speaking relates to a crossing expansion bolts of single angle dysmorphism.

Background

At present, in the existing market, a shear type expansion bolt is used for fixing an article, and the shear type expansion bolt comprises a fixing piece with an expansion rod and a pushing piece, wherein the pushing piece is matched with the fixing piece and can move coaxially along the axis of the fixing piece; the expansion rod is hinged with the top end of the fixing piece, the lower end of the expansion rod is provided with an inclined plane facing the pushing piece, the top end of the pushing piece can be in contact with the inclined plane of the lower end of the expansion rod, and the expansion rod is pushed along the inclined plane of the lower end of the expansion rod, so that the two ends of the expansion rod are propped open towards the outer side of the pushing piece. The two ends of the expansion rod are supported in the holes fixed by the bolts, but the two expansion rods are crossed, and two expansion rods are not needed, and the purpose of anchoring can be achieved just by inclining one expansion rod to two sides, so that the shear type expansion bolt with only one expansion rod is designed, and the technical problem to be solved at present is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crossed expansion bolts of single angle dysmorphism has solved the problem that exists among the prior art.

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

the utility model provides a crossed expansion bolts of single angle dysmorphism, including taking the ear nut, an expansion link rivet in between the two otic placodes of taking the ear nut, the threaded hole internal thread of taking the ear nut has the screw rod, the screw rod screw in threaded hole, and promote the expansion link rotates to constitute the fixed of expansion link in the wall body.

Furthermore, the side of the lug nut is fixedly connected with an elastic bulge, the elastic bulge is arranged along the axial direction of the lug nut, the lug nut is arranged in the wall body, and the elastic bulge is abutted against the inner wall of the wall body to form the lug nut which is fixed in the wall body.

Further, the elastic bulge include in edge on the area ear nut side the strip groove has been seted up to the area ear nut axial, in the strip inslot has linked firmly a plurality of compression spring, each compression spring follows area ear nut axial interval sets up, in the strip inslot is equipped with a bar arch, the bar arch link firmly in on the compression spring.

Further, the section of the strip-shaped protrusion is triangular or semicircular.

Furthermore, one end of the screw rod close to the expansion rod is round.

Furthermore, one end of the screw rod, which is far away from the expansion rod, is a square head.

Furthermore, a locking nut used for fixing the equipment on the wall body is connected to the screw rod in a threaded mode, a gasket and an elastic sheet are sleeved on the nut and between the locking nut and the lug nut, the equipment penetrates through the screw rod, and the locking nut is rotated to form fixing of the equipment.

Furthermore, the expansion plate and the lug nut are made of stainless steel or carbon steel.

Further, the surface of the expansion rod, which is abutted to the screw rod, is an inclined surface.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses an including taking the ear nut, the middle part riveting of an expansion link is between the two otic placodes of taking the ear nut, and the threaded hole female connection of taking the ear nut has the screw rod, and screw rod screw in threaded hole to promote the expansion link and rotate, make the both ends of expansion link outwards strut, strut in the wall hole that required fixed and drilled out, the utility model discloses set up an expansion link, both ends outwards strut respectively on an expansion link of expansion bolt, only an expansion link to do not influence the effect, saved the resource moreover.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a front view of an embodiment of the present invention;

fig. 4 is a cross-sectional view of the connection between the elastic protrusion and the lug nut according to the embodiment of the present invention.

Labeling components: 1-lug nut, 2-expansion rod, 3-screw rod, 4-strip groove, 5-strip protrusion, 6-square head, 7-gasket, 8-elastic sheet, 9-locking nut, 10-threaded hole and 11-compression spring.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Embodiment is a single-angle special-shaped crossed expansion bolt

The embodiment discloses a crossed expansion bolt with a single-angle special shape, as shown in fig. 1-4, the bolt comprises a lug nut 1, the middle part of an expansion rod 2 is riveted between two lug plates of the lug nut 1, a screw rod 3 is connected with the threaded hole 10 of the lug nut 1 in an internal thread mode, the expansion rod 2 and the lug nut 1 are made of stainless steel or carbon steel, the screw rod 3 is screwed into the threaded hole 10 and pushes the expansion rod 2 to rotate, so that two ends of the expansion rod 2 are outwards propped open, and are propped in a wall hole which needs to be fixed and drilled out.

Concretely, the side fixed connection elasticity arch of area ear nut 1, elasticity arch sets up along 1 axis direction of area ear nut, area ear nut 1 is in penetrating the wall, elasticity arch butt inner wall at the wall under the spring action, thereby fix area ear nut 1 in the wall, when rotating screw rod 3, because elasticity arch butt inner wall at the wall, area ear nut 1 can not rotate along with screw rod 3's rotation, elasticity arch can be fine fix area ear nut 1 in the mounting hole of wall, and produce the phenomenon of area ear nut 1 with changeing when can not rotatory screw rod 3 again, make the site operation more smooth.

The specific structure of the elastic bulge is that, as shown in fig. 1, the elastic bulge comprises a strip-shaped groove 4 formed in the side surface of a lug nut 1, the strip-shaped groove 4 is formed along the axial direction of the lug nut 1, a plurality of compression springs 11 are fixedly connected to the bottom in the strip-shaped groove 4, the compression springs 11 are arranged at intervals along the axial direction of the lug nut 1, a strip-shaped bulge 5 is assembled in the strip-shaped groove 4, the strip-shaped bulge 5 is fixedly connected to each compression spring 11, the cross section of the strip-shaped bulge 5 is triangular or semicircular, the strip-shaped bulge 5 is made of stainless steel or carbon steel, and similar cross section shapes can play a role in preventing the lug nut 1 from following rotation; one end of the screw rod 3 close to the expansion rod 2 is round or flat, so that the expansion rod 2 is easy to push to expand outwards; preferably, the end of the screw rod 3 far away from the expansion rod 2 is a square head 6, and the square head 6 can be changed into a triangular head, an inner hexagonal head, a hexagonal flange surface, a straight line or a cross groove, a hook, a hanging ring and other forms as necessary, and mainly for conveniently rotating the screw rod 3, the screw rod 3 is rotated by rotating the square head 6, and the screw rod 3 is screwed into the threaded hole 10 to push the expansion rod 2 to be outwards spread.

Preferably, a locking nut 9 is connected to the screw rod 3 in a threaded manner, the locking nut 1 is used for fixing equipment on a wall body, a gasket 7 and an elastic sheet 8 are sleeved on the screw rod 3, the gasket 7 and the elastic sheet 8 are located between the locking nut 9 and the lug nut 1, the equipment penetrates through the screw rod 3 and is hung on the wall, then the gasket 7, the elastic sheet 8 and the locking nut 9 are sequentially sleeved on the screw rod 3, and the locking nut 9 is rotated, so that the equipment is fixed on the wall, the gasket 7 and the elastic sheet 8 can be not used or only one or both of the gasket 7 and the elastic sheet 8 can be used in actual use, and the quantity and the arrangement sequence of the gasket 7 and the elastic sheet 8 can be determined according to specific installation environments, the gasket 7 is used for increasing the contact area with a connected piece, dispersing the pressure on each square area, and preventing the lug nut 1 from being scratched; the function of the spring plate 8 is to prevent the lock nut 9 from being loosened.

Specifically, the surface of

expansion link

2 and 3 butts of screw rod is the inclined plane, and rotatory screw rod 3, screw rod 3 promote the inclined plane of expansion link 2 to make the both ends of expansion link 2 outwards strut, accomplish the mounting hole of expansion link 2 on the wall body.

The utility model discloses working process and principle:

firstly, drilling a mounting hole in a wall body by using an electric drill, placing a lug nut 1 and an expansion rod 2 into the mounting hole, and enabling a strip-shaped bulge 5 to be abutted against the inner wall of the wall body mounting hole to fix the lug nut 1 in the mounting hole; secondly, clamping the square head 6 by using a tool, rotating the square head 6 of the screw rod 3, screwing the screw rod 3 into the threaded hole 10 of the lug nut 1, pushing the inclined surface of the expansion rod 2 by one end of the screw rod 3, expanding the two ends of the expansion rod 2 outwards, butting the two ends in the mounting hole, and finishing the fixation of the expansion rod 2 in the mounting hole; then, the equipment penetrates through the screw rod 3 outside the wall body and is close to the outer surface of the wall body, then the gasket 7, the elastic sheet 8 and the locking nut 9 are sequentially sleeved on the screw rod 3, and the locking nut 9 is rotated, so that the equipment is fixed on the wall.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides a crossing expansion bolts of single angle dysmorphism which characterized in that: including taking the ear nut, the middle part riveting of an expansion link in between the two otic placodes of taking the ear nut, the threaded hole internal thread of taking the ear nut has the screw rod, the screw rod screw in threaded hole, and promote the expansion link rotates to constitute the fixed of expansion link in the wall body.

2. The single-angle deformed cross type expansion bolt as claimed in claim 1, wherein: the side of the lug nut is fixedly connected with an elastic bulge, the elastic bulge is arranged along the axial direction of the lug nut, the lug nut is arranged in the wall body, and the elastic bulge is abutted against the inner wall of the wall body so as to form the lug nut fixed in the wall body.

3. A single-angle shaped cross expansion bolt according to claim 2, wherein: elastic bulge include in edge on the eared nut side the bar groove has been seted up to the eared nut axial, in the bar inslot has linked firmly a plurality of compression spring, each compression spring follows eared nut axial interval sets up, in the bar inslot is equipped with a bar arch, the bar arch link firmly in compression spring is last.

4. A single angle shaped cross expansion bolt according to claim 3, wherein: the section of the strip-shaped bulge is triangular or semicircular.

5. The single-angle deformed cross type expansion bolt as claimed in claim 1, wherein: and one end of the screw rod close to the expansion rod is a round head.

6. The single-angle deformed cross type expansion bolt as claimed in claim 1, wherein: and one end of the screw rod, which is far away from the expansion rod, is a square head.

7. The single-angle deformed cross type expansion bolt as claimed in claim 1, wherein: the screw rod is in threaded connection with a locking nut used for fixing equipment on a wall body, a gasket and an elastic sheet are sleeved on the screw rod between the locking nut and the lug nut, the equipment penetrates through the screw rod, and the locking nut is rotated to form the fixation of the equipment.

8. The single-angle deformed cross type expansion bolt as claimed in any one of claims 1 to 7, wherein: the expansion rod and the lug nut are made of stainless steel or carbon steel.

9. The single-angle deformed cross type expansion bolt as claimed in claim 1, wherein: the surface of the expansion rod abutted to the screw rod is an inclined surface.