CN211852434U - Non-angle special-shaped cross expansion bolt - Google Patents
Non-angle special-shaped cross expansion bolt Download PDFInfo
- Publication number
- CN211852434U CN211852434U CN202020097578.4U CN202020097578U CN211852434U CN 211852434 U CN211852434 U CN 211852434U CN 202020097578 U CN202020097578 U CN 202020097578U CN 211852434 U CN211852434 U CN 211852434U
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- China
- Prior art keywords
- screw rod
- expansion
- nut
- close
- angle
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- Expired - Fee Related
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- 206010066054 Dysmorphism Diseases 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a no angle dysmorphism crossing expansion bolts, including taking the ear nut, the riveting has two expansion link between two otic placodes of taking the ear nut, and the end of two expansion link passes through rivet connection, and the screw hole of taking the ear nut is threadless through-hole, and in the screw rod stretched into the through-hole, and promote two the expansion link outwards rotated respectively, made two expansion link be close to the both ends of screw rod outwards strut respectively, strut in the wall hole that required fixed and drilled out, the utility model discloses the both ends that set up on two expansion link outwards strut respectively, and the upper end is removed to do not influence their anchor effect, still saved the resource. The utility model is suitable for a bolt technical field.
Description
Technical Field
The utility model belongs to the technical field of the bolt, specifically speaking relates to a no angle dysmorphism crossing expansion bolts.
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 upper end of the expansion rod is supported in the anchored holes, so that the force is not applied, and the excess part wastes resources. Therefore, the shear type expansion bolt with the upper end of the expansion rod removed is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a no angle dysmorphism crossing expansion bolts 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 non-angle special-shaped crossed expansion bolt comprises a lug nut, wherein two expansion rods are riveted between two lug plates of the lug nut, the tail ends of the two expansion rods are connected through rivets, a threaded hole of the lug nut is a non-threaded through hole, a screw rod penetrates into the through hole, and pushes the two expansion rods to rotate outwards respectively so as to form the fixation of the two expansion rods in a wall body.
Furthermore, one end of each expansion rod close to the screw rod is fixedly connected with an elastic rope, and the other end of each elastic rope is fixedly connected with one end of the screw rod close to the expansion rod.
Further, one the one end that the expansion link is close to the screw rod has linked firmly the elasticity rope, the screw rod is close to the one end of expansion link runs through there is the bar groove, the bar groove is worn to the elasticity rope, the one end that the elasticity rope stretches out the bar groove links firmly in another expansion link one end that is close to the screw rod, and the screw rod stretches out the eared nut is outside, and the screw rod drives the elasticity rope is followed screw rod axial outside motion to constitute the rotation that is close to each other to two expansion links.
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 includes in edge on the area ear nut side take ear nut axial to seted up the bar recess, in a plurality of compression spring has been linked firmly in the bar recess, each compression spring follows take ear nut axial interval to set up, in a bar recess is equipped with a bar arch, the bar arch link firmly in compression spring is last.
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 screw rod 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 surface of each 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 a take the ear nut, the riveting has two expansion link between two otic placodes of taking the ear nut, and the end of two expansion link passes through rivet connection, and the screw hole of taking the ear nut is threadless through-hole, and the screw rod stretches into in the through-hole, and promotes two the expansion link outwards rotates respectively, makes two expansion link be close to the both ends of screw rod and outwards struts respectively, struts in the wall hole that required fixed and drilled out, the utility model discloses the both ends that set up on two expansion link outwards strut respectively, and the upper end is removed to do not influence their anchor effect, still saved the resource.
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 sectional view of the elastic protrusion and the lug nut according to the embodiment of the present invention
Fig. 5 is a schematic structural view of the elastic rope and the screw rod 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-elastic rope, 7-gasket, 8-elastic sheet, 9-locking nut, 10-through hole, 11-compression spring, 12-strip groove and 13-rivet.
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 non-angle special-shaped cross expansion bolt
The embodiment discloses a non-angle special-shaped crossed expansion bolt, as shown in fig. 1-5, the non-angle special-shaped crossed expansion bolt comprises a nut 1 with lugs, two expansion rods 2 are riveted between two lug plates of the nut 1 with lugs, the tail ends of the two expansion rods 2 are connected through rivets 13, a threaded hole of the nut 1 with lugs is a non-threaded through hole 10, a screw rod 3 extends into the through hole 10 and pushes the two expansion rods 2 to rotate outwards respectively, so that two ends, close to the screw rod 3, of the two expansion rods 2 are outwards propped respectively and are propped in a wall hole to be fixed and drilled, two ends of the two expansion rods 2 are outwards propped respectively, the upper ends of the two expansion rods are removed, the anchoring effect of the expansion rods is not influenced, and resources are also saved.
Specifically, one end of each expansion rod 2 close to the screw rod 3 is fixedly connected with an elastic rope 6, preferably, the elastic rope 6 is a rubber band, the other ends of two elastic ropes 6 are fixedly connected to one end of the screw rod 3 close to the expansion rods 2, specifically, one end of one expansion rod 2 close to the screw rod 3 is fixedly connected with an elastic rope 6, one end of the screw rod 3 close to the expansion rods 2 is penetrated with a strip-shaped groove 12, the elastic rope 6 is penetrated through the strip-shaped groove 12, one end of the elastic rope 6 extending out of the strip-shaped groove 12 is fixedly connected to one end of the other expansion rod 2 close to the screw rod 3, the screw rod 3 extends out of the lug nut 1, the screw rod 3 drives the elastic rope 6 to move outwards along the axial direction of the screw rod 3, so that the two expansion rods 2 are drawn close to each other, the two expansion rods 2 are contracted, the embodiment is easy to disassemble, the screw rod 3 extends out of the, the elastic rope 6 drives the two expansion rods 2 to be close to each other, and when the screw rod 3 is pulled out, the embodiment can be pulled out from the inside of the wall body.
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 the elastic bulge comprises a strip-shaped groove 4 formed in the side surface of the 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 the compression springs 11, the 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 section shapes can play a role in preventing the lug nut 1 from rotating along with the rotation; one end of the screw rod 3 close to the expansion rod 2 is a round head or a flat head, so that the expansion rod 2 is easy to push to expand outwards.
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 each expansion link 2 and 3 butts of screw rod is the inclined plane, and external force promotes screw rod 3, and screw rod 3 promotes the inclined plane of each expansion link 2 to the both ends that make two expansion links 2 outwards strut, accomplish expansion link 2 and fix in the mounting hole 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, the screw rod 3 is pushed by external force, one end of the screw rod 3 pushes the inclined planes of the two expansion rods 2, the two ends of the two expansion rods 2 are respectively outwards spread and are abutted in the mounting hole, and the expansion rods 2 are fixed 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 (7)
1. The utility model provides a no angle dysmorphism crossing expansion bolts which characterized in that: the expansion rod fixing structure comprises an eared nut, wherein two expansion rods are riveted between two ear plates of the eared nut, the tail ends of the two expansion rods are connected through rivets, a threaded hole of the eared nut is a non-threaded through hole, a screw rod penetrates into the through hole, the screw rod penetrates into the through hole, and the two expansion rods are pushed to rotate outwards respectively so as to form the fixation of the two expansion rods in a wall body.
2. The angle-free shaped cross expansion bolt as claimed in claim 1, wherein: and one end of each expansion rod, which is close to the screw rod, is fixedly connected with an elastic rope, and the other ends of the two elastic ropes are fixedly connected with one end of the screw rod, which is close to the expansion rod, respectively.
3. The angle-free shaped cross expansion bolt as claimed in claim 2, wherein: one the one end that the expansion link is close to the screw rod has linked firmly the elasticity rope, the screw rod is close to the one end of expansion link runs through there is the bar groove, the strip groove is worn to the elasticity rope, the one end that the elasticity rope stretches out the bar groove links firmly in another expansion link one end that is close to the screw rod, and the screw rod stretches out the eared nut is outside, and the screw rod drives the elasticity rope is followed the outside motion of screw rod axial to constitute the rotation that is close to each other to two expansion links.
4. The angle-free shaped cross expansion bolt as claimed in claim 3, 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.
5. The angle-free shaped cross expansion bolt as claimed in claim 4, wherein: elastic bulge include in edge on the eared nut side eared nut axial seted up the bar recess, in bar recess links firmly a plurality of compression spring in, each compression spring follows eared nut axial interval sets up, in bar recess is equipped with a bar arch, the bar arch link firmly in compression spring is last.
6. The angle-free shaped cross 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.
7. The angle-less shaped cross expansion bolt as claimed in any one of claims 1 to 6, wherein: the surface of each expansion rod, which is abutted to the screw rod, is an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020097578.4U CN211852434U (en) | 2020-01-16 | 2020-01-16 | Non-angle special-shaped cross expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020097578.4U CN211852434U (en) | 2020-01-16 | 2020-01-16 | Non-angle special-shaped cross expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852434U true CN211852434U (en) | 2020-11-03 |
Family
ID=73233611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020097578.4U Expired - Fee Related CN211852434U (en) | 2020-01-16 | 2020-01-16 | Non-angle special-shaped cross expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852434U (en) |
-
2020
- 2020-01-16 CN CN202020097578.4U patent/CN211852434U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |