CN210164765U - Expansion bolt - Google Patents
Expansion bolt Download PDFInfo
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- CN210164765U CN210164765U CN201920859434.5U CN201920859434U CN210164765U CN 210164765 U CN210164765 U CN 210164765U CN 201920859434 U CN201920859434 U CN 201920859434U CN 210164765 U CN210164765 U CN 210164765U
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- hollow cylinder
- connecting strip
- expansion bolt
- reinforcement
- wall
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Abstract
The utility model relates to the technical field of wall connecting pieces, in particular to an expansion bolt, which comprises a first hollow cylinder, a second hollow cylinder and a third body which are connected in sequence, wherein the third body is provided with a notch, and an external connecting piece passes through the first hollow cylinder, the second hollow cylinder and the notch in sequence; the first hollow cylinder body is provided with a reinforcing rib, the second hollow cylinder body is provided with at least one reinforcing component, the reinforcing component comprises a first connecting strip and a second connecting strip, the wall bodies of the first connecting strip, the second connecting strip and the second hollow cylinder body are triangular, and the first connecting strip and the second connecting strip are soft rubber pieces; the wall body through tieing at the inflation sets up the strengthening rib, improves the resistance that the inflation was tied in the wall body, avoids the inflation to tie the rotation wantonly in the wall body, strengthens the setting of subassembly, improves the cohesion of inflation bolt and wall body, increases the stability that the inflation was tied in the wall body, improves the inflation and ties the joint power as the connecting piece, is fit for the use of various wall bodies.
Description
Technical Field
The utility model relates to a wall connection spare technical field especially relates to an expansion bolt.
Background
In the field of building decoration, expansion bolts are widely used as main connecting pieces, but walls built by different materials can exist in a building house of the same unit, such as a soft base material wall built by new materials of hollow bricks, high-hole bricks and sand-lime bricks, a hard base material wall built by solid bricks, reinforced concrete and the like, expansion bolts with various specifications are matched with walls with different base materials on the market, but inconvenience is brought to a buyer and a user, and the expansion bolts cannot be correctly used and the connecting force cannot achieve the expected effect because many people cannot correctly judge which wall uses which expansion bolt with the specification.
Disclosure of Invention
In order to overcome the expansion bolt specification that exists among the prior art many, the shortcoming of anticipated effect can not be produced to the joint force that expands the bolt, the utility model aims to provide an expansion bolt realizes a multi-purpose of bolt.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an expansion bolt comprises a first hollow cylinder, a second hollow cylinder and a third body which are sequentially connected, wherein the third body is provided with a notch, the notch is arranged along the length direction of the third body, and an external connecting piece sequentially penetrates through the first hollow cylinder, the second hollow cylinder and the notch;
the first hollow cylinder is provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs are arranged around the central axis of the first hollow cylinder, the reinforcing ribs are arranged on the outer wall body of the first hollow cylinder, and the reinforcing ribs are arranged along the length direction of the first hollow cylinder;
the hollow cylinder of second is equipped with at least one and strengthens the subassembly, it includes first connecting strip and second connecting strip to strengthen the subassembly, the junction is connecting portion between the one end of first connecting strip and the one end of second connecting strip, the other end of first connecting strip is connected in the one end that the hollow cylinder of second is close to first hollow cylinder, the other end of second connecting strip is connected in the one end that the hollow cylinder of second is close to the third body, the wall body interval setting of connecting portion and the hollow cylinder of second, first connecting strip and second connecting strip are the flexible glue spare.
Further, the width of the first connecting strip is smaller than that of the second connecting strip.
Furthermore, the first hollow cylinder is provided with a through hole and a first reinforcing piece, the through hole penetrates through the wall body of the first hollow cylinder, the first reinforcing piece is arranged in the through hole, and an external connecting piece in the first hollow cylinder drives the first reinforcing piece to protrude out of the through hole.
Furthermore, the number of the through holes is four, and the four through holes are arranged in an annular array mode by using the central shaft of the first hollow cylinder.
Furthermore, the number of the first reinforcing parts is two, and the two first reinforcing parts are symmetrically arranged by using the central axis of the first hollow column.
Furthermore, first reinforcement is equipped with a plurality of skewed tooth, and a plurality of skewed tooth sets up along the length direction of first reinforcement, the skewed tooth is located one side that first reinforcement keeps away from the central axis of first hollow cylinder.
Furthermore, the third body is provided with a plurality of annular bosses which are arranged along the length direction of the third body.
Further, annular boss is the radius platform form, and the external diameter that annular boss is close to first hollow cylinder one end is greater than the external diameter that first hollow cylinder one end was kept away from to annular boss.
Furthermore, the first hollow cylinder is provided with a limiting ring, and the limiting ring extends outwards from the outer side wall of the first hollow cylinder.
Further, first reinforcement is the wedge, first reinforcement is close to the one end of third body is connected to the inner hole wall of through-hole, first reinforcement is kept away from the one end of third body is the free end, first reinforcement is close to the external diameter of the one end of third body is less than first reinforcement is kept away from the external diameter of the one end of third body, first reinforcement is kept away from the one end of third body stretches into in the first hollow cylinder, external connecting piece in the first hollow cylinder conflicts the free end of first reinforcement so that external connecting piece drive in the first hollow cylinder first reinforcement stretches out the through-hole.
The utility model has the advantages that: the wall body through tieing at the inflation sets up the strengthening rib, improves the resistance that the inflation was tied in the wall body, avoids the inflation to tie the rotation wantonly in the wall body, strengthens the setting of subassembly, improves the cohesion of inflation bolt and wall body, increases the stability that the inflation was tied in the wall body, improves the inflation and ties the joint power as the connecting piece, is fit for the use of various wall bodies.
Drawings
Fig. 1 is a schematic view of a first view plane structure of the present invention;
fig. 2 is a schematic view of a second viewing angle plane structure of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 shows the reinforcement member in the use state after being deformed by compression.
The reference numerals include:
1-first hollow column 11-reinforcing rib 12-through hole
13-first reinforcement 131-helical teeth 14-limit ring
2-second hollow cylinder 21-reinforcing member 211-first connecting strip
212-assembly 213-connection 3-third body
31-notch 32-boss.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 5, an expansion bolt of the present invention includes a first hollow cylinder 1, a second hollow cylinder 2 and a third body 3 connected in sequence, wherein the third body 3 is provided with a gap 31, the gap 31 is arranged along the length direction of the third body 3, an external connecting member sequentially passes through the first hollow cylinder 1, the second hollow cylinder 2 and the gap 31, and preferably, the external connecting member protrudes out of the free end of the third body 3;
the first hollow column body 1 is provided with a plurality of reinforcing ribs 11, the plurality of reinforcing ribs 11 are arranged in an annular array around the central axis of the first hollow column body 1, the reinforcing ribs 11 are arranged on the outer wall body of the first hollow column body 1 and extend out of the outer wall body, and the reinforcing ribs 11 are arranged along the length direction of the first hollow column body 1;
the hollow cylinder 2 of second is equipped with at least one and strengthens subassembly 21, it includes first connecting strip 211 and second connecting strip 212 to strengthen subassembly 21, the junction between the one end of first connecting strip 211 and the one end of second connecting strip 212 is connecting portion 213, the other end of first connecting strip 211 is connected in the outer wall body that the hollow cylinder 2 of second is close to the one end of first hollow cylinder 1, the other end of second connecting strip 212 is connected in the outer wall body that the hollow cylinder 2 of second is close to the one end of third body 3, connecting portion 213 sets up with the wall body interval of the hollow cylinder 2 of second.
Specifically, in this embodiment, the expansion bolt is made of plastic, the notch 31 of the third body 3 divides the third body 3 into two parts, the outer side wall of the first hollow cylinder 1 is provided with four reinforcing ribs 11, the four reinforcing ribs 11 are arranged in an annular array around the central axis of the first hollow cylinder 1, the four reinforcing ribs 11 increase the rotational resistance of the expansion bolt after entering the wall, so as to prevent the expansion bolt from rotating in the wall, thereby improving the stability of the expansion bolt in the wall, the second hollow cylinder 2 is provided with two reinforcing assemblies 21, the two reinforcing assemblies 21 are symmetrically arranged with respect to the central axis of the second hollow cylinder 2, the reinforcing assemblies 21 include a first connecting strip 211 and a second connecting strip 212, the outer side walls of the first connecting strip 211, the second connecting strip 212 and the second hollow cylinder 2 enclose a triangle, wherein the first connecting strip 211 and the second connecting strip 212 are soft rubber bodies, after the expansion bolt enters the wall, under the extrusion of the wall, the first connecting strip 211 and the second connecting strip 212 are extruded into a straight strip shape, and the connecting parts 213 of the first connecting strip 211 and the second connecting strip 212 are extruded together, so that the first connecting strip 211, the second connecting strip 212 and the connecting parts 213 are approximately T-shaped, the resistance of the expansion bolt in a wall body is increased, the expansion bolt is prevented from being separated from the wall body, the stability of the expansion bolt in the wall body is improved, and the arrangement of the two reinforcing components 21 further ensures the stability of the expansion bolt in the wall body and increases the connecting force of the expansion bolt and the wall body.
The reinforcing ribs 11 are arranged on the wall body of the expansion bolt, so that the resistance of the expansion bolt in the wall body is improved, the expansion bolt is prevented from rotating freely in the wall body, the arrangement of the reinforcing component 21 is enhanced, the binding force of the expansion bolt and the wall body is improved, the stability of the expansion bolt in the wall body is improved, the connecting force of the expansion bolt as a connecting piece is improved, and the expansion bolt is suitable for use of various wall bodies.
The width of the first connecting strip 211 is smaller than that of the second connecting strip 212, the expansion bolt is inserted into the wall sequentially from the third body 3, the second hollow column 2 and the first hollow column 1, namely the second connecting strip 212 is inserted into the wall before the first connecting strip 211, the second connecting strip 212 is deformed and extruded into a straight strip shape, one end, close to the first connecting strip 211, of the second connecting strip 212 is extruded, the width of the first connecting strip 211 is smaller than that of the second connecting strip 212, and by the structure, the deformation resistance of the second connecting strip 212 is reduced, and the wall insertion resistance of the expansion bolt is reduced.
First hollow cylinder 1 is equipped with through-hole 12 and first reinforcement 13, through-hole 12 runs through the wall body of first hollow cylinder 1, first reinforcement 13 is located in through-hole 12, first reinforcement 13 is first hollow cylinder 1 swing joint relatively, and the one end of first reinforcement 13 is connected with first hollow cylinder 1 promptly, and the other end of first reinforcement 13 is the free end.
The number of the through holes 12 is four, and the four through holes 12 are arranged in an annular array around the central axis of the first hollow column 1.
The quantity of first reinforcement 13 is two, and two first reinforcements 13 are the symmetry setting with the center pin of first hollow cylinder 1, and when external screw passed first hollow cylinder 1, first reinforcement 13 was extruded towards the direction swing of keeping away from first hollow cylinder 1 center pin for first strengthening rib 13 contradicts on the wall body, increases the contact surface of first reinforcement 13 and external wall body, improves the resistance of being connected of expansion bolt and wall body, further realizes the stability of the relative wall body of expansion bolt.
The first reinforcing part 13 is provided with a plurality of inclined teeth 131, the plurality of inclined teeth 131 are arranged along the length direction of the first reinforcing part 13, the inclined teeth 131 are arranged on one side, away from the central axis of the first hollow column body 1, of the first reinforcing part 13, one end of each inclined tooth 131 is connected to the first reinforcing part 13, the free end of each inclined tooth 131 extends towards the direction away from the second hollow column body, namely, the free end of each inclined tooth 131 does not obstruct the wall entering of the expansion bolt, the arrangement of the inclined teeth 131 further increases the gripping force of the first reinforcing part 13 and the external wall body, and the stability of the expansion bolt in the wall body is improved.
The third body 3 is provided with a plurality of annular bosses 32, and the plurality of annular bosses 32 are arranged along the length direction of the third body 3.
The first hollow column body 1 is provided with a limiting ring 14, the limiting ring 14 extends outwards from the outer side wall of the first hollow column body 1, and the limiting ring 14 is arranged to prevent the expansion bolt from sinking into the hole wall of the wall and influencing the connection acting force of external objects and the expansion bolt.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. An expansion bolt, characterized in that: the connecting device comprises a first hollow cylinder, a second hollow cylinder and a third body which are sequentially connected, wherein the third body is provided with a notch, the notch is arranged along the length direction of the third body, and an external connecting piece sequentially penetrates through the first hollow cylinder, the second hollow cylinder and the notch;
the first hollow cylinder is provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs are arranged around the central axis of the first hollow cylinder, the reinforcing ribs are arranged on the outer wall body of the first hollow cylinder, and the reinforcing ribs are arranged along the length direction of the first hollow cylinder;
the hollow cylinder of second is equipped with at least one and strengthens the subassembly, it includes first connecting strip and second connecting strip to strengthen the subassembly, the junction is connecting portion between the one end of first connecting strip and the one end of second connecting strip, the other end of first connecting strip is connected in the one end that the hollow cylinder of second is close to first hollow cylinder, the other end of second connecting strip is connected in the one end that the hollow cylinder of second is close to the third body, the wall body interval setting of connecting portion and the hollow cylinder of second, first connecting strip and second connecting strip are the flexible glue spare.
2. The expansion bolt of claim 1, wherein: the width of the first connecting strip is smaller than that of the second connecting strip.
3. The expansion bolt of claim 1, wherein: the first hollow column body is provided with a through hole and a first reinforcing piece, the through hole penetrates through the wall body of the first hollow column body, the first reinforcing piece is arranged in the through hole, and an external connecting piece in the first hollow column body drives the first reinforcing piece to stretch out of the through hole.
4. The expansion bolt of claim 3, wherein: the number of the through holes is four, and the four through holes are arranged in an annular array mode by using the central shaft of the first hollow cylinder.
5. The expansion bolt of claim 4, wherein: the quantity of first reinforcement is two, and two first reinforcements are the symmetry setting with the central axis of first hollow cylinder.
6. The expansion bolt of claim 3, wherein: the first reinforcing part is provided with a plurality of helical teeth, the helical teeth are arranged along the length direction of the first reinforcing part, and the helical teeth are arranged on one side, away from the central axis of the first hollow cylinder, of the first reinforcing part.
7. The expansion bolt of claim 1, wherein: the third body is provided with a plurality of annular bosses which are arranged along the length direction of the third body.
8. The expansion bolt of claim 7, wherein: the annular boss is inverted circular truncated cone form, and the external diameter that the annular boss is close to first hollow cylinder one end is greater than the external diameter that first hollow cylinder one end was kept away from to annular boss.
9. The expansion bolt of claim 1, wherein: the first hollow cylinder is provided with a limiting ring, and the limiting ring extends outwards from the outer side wall of the first hollow cylinder.
10. The expansion bolt of claim 3, wherein: first reinforcement is the wedge, first reinforcement is close to the one end of third body is connected to the inner bore wall of through-hole, first reinforcement is kept away from the one end of third body is the free end, first reinforcement is close to the external diameter of the one end of third body is less than first reinforcement is kept away from the external diameter of the one end of third body, first reinforcement is kept away from the one end of third body stretches into in the first hollow cylinder, external connecting piece in the first hollow cylinder conflicts the free end of first reinforcement so that external connecting piece drive in the first hollow cylinder stretches out the through-hole suddenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920859434.5U CN210164765U (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920859434.5U CN210164765U (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164765U true CN210164765U (en) | 2020-03-20 |
Family
ID=70170422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920859434.5U Active CN210164765U (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195735A (en) * | 2019-06-06 | 2019-09-03 | 常洁 | A kind of expansible plug |
-
2019
- 2019-06-06 CN CN201920859434.5U patent/CN210164765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195735A (en) * | 2019-06-06 | 2019-09-03 | 常洁 | A kind of expansible plug |
| CN110195735B (en) * | 2019-06-06 | 2024-06-04 | 常洁 | Expansion bolt |
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