CN110195735B - Expansion bolt - Google Patents
Expansion bolt Download PDFInfo
- Publication number
- CN110195735B CN110195735B CN201910493471.3A CN201910493471A CN110195735B CN 110195735 B CN110195735 B CN 110195735B CN 201910493471 A CN201910493471 A CN 201910493471A CN 110195735 B CN110195735 B CN 110195735B
- Authority
- CN
- China
- Prior art keywords
- hollow column
- reinforcement
- connecting strip
- expansion bolt
- column body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 42
- 230000002787 reinforcement Effects 0.000 claims description 43
- 238000005728 strengthening Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011455 calcium-silicate brick Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Dowels (AREA)
Abstract
The invention 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 sequentially connected, wherein the third body is provided with a notch, and an external connecting piece sequentially penetrates through the first hollow cylinder, the second hollow cylinder and the notch; the first hollow column body is provided with a reinforcing rib, the second hollow column 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 column body are triangular, and the first connecting strip and the second connecting strip are soft rubber pieces; through set up the strengthening rib at the wall body of expansion bolt, improve the resistance of expansion bolt in the wall body, avoid the arbitrary rotation of expansion bolt in the wall body, strengthen the setting of subassembly, improve the cohesion of expansion bolt and wall body, increase the stability of expansion bolt in the wall body, improve the connecting force of expansion bolt as the connecting piece, be fit for the use of various walls body.
Description
Technical Field
The invention relates to the technical field of wall connectors, in particular to an expansion bolt.
Background
In the field of building decoration, expansion bolts are widely used as main connecting pieces, but walls made of different materials exist in building houses of the same unit, such as soft base material walls made of new material hollow bricks, high-hole bricks and sand-lime bricks, hard base material walls made of solid bricks, reinforced concrete and the like, and expansion bolts of various specifications are matched with the walls of different base materials in the market, but inconvenience is brought to buyers and users because a plurality of people cannot correctly judge which type of wall uses the expansion bolts of which specification, the expansion bolts cannot be correctly used, and the connecting force cannot reach the expected effect.
Disclosure of Invention
In order to overcome the defect that the expansion bolts in the prior art have a plurality of specifications and the connecting force of the expansion bolts cannot produce the expected effect, the invention aims to provide the expansion bolts and realize the aim of multiple purposes of one bolt.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the expansion bolt comprises a first hollow column body, a second hollow column body 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 column body, the second hollow column body and the notch;
The first hollow column body is provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs are arranged around the central axis of the first hollow column body, the reinforcing ribs are arranged on the outer wall body of the first hollow column body, and the reinforcing ribs are arranged along the length direction of the first hollow column body;
The second hollow cylinder is equipped with at least one enhancement subassembly, the enhancement subassembly includes first connecting strip and second connecting strip, 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 second hollow cylinder is close to first hollow cylinder, the other end of second connecting strip is connected in the one end that the second hollow cylinder is close to the third body, the wall interval setting of connecting portion and second hollow cylinder, 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.
Further, 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 protrude out of the through hole.
Further, the number of the through holes is four, and the four through holes are distributed in an annular array with the central axis of the first hollow cylinder.
Further, the number of the first reinforcing pieces is two, and the two first reinforcing pieces are symmetrically arranged on the central axis of the first hollow cylinder.
Further, the first reinforcement is provided with a plurality of helical teeth, the helical teeth are arranged along the length direction of the first reinforcement, and the helical teeth are arranged on one side, far away from the central axis of the first hollow cylinder, of the first reinforcement.
Further, the third body is provided with a plurality of annular bosses, and the plurality of annular bosses are arranged along the length direction of the third body.
Further, the annular boss is the shape of an inverted circular table, and the external diameter of the annular boss, which is close to one end of the first hollow cylinder, is larger than the external diameter of the annular boss, which is far away from one end of the first hollow cylinder.
Further, the first hollow cylinder is provided with a limiting ring, and the limiting ring starts from the outer side wall of the first hollow cylinder and extends outwards.
Further, the first reinforcement is wedge-shaped, the first reinforcement is close to the one end of third body is connected to the hole wall of through-hole, the first reinforcement is kept away from the one end of third body is the free end, the first reinforcement is close to the external diameter of one end of third body is less than the first reinforcement is kept away from the external diameter of one end of third body, the first reinforcement is kept away from the one end of third body is stretched into in the first hollow cylinder, external connecting piece in the first hollow cylinder is contradicted the free end of first reinforcement so that external connecting piece drive in the first hollow cylinder the outside of first reinforcement stretches out the through-hole.
The invention has the beneficial effects that: through set up the strengthening rib at the wall body of expansion bolt, improve the resistance of expansion bolt in the wall body, avoid the arbitrary rotation of expansion bolt in the wall body, strengthen the setting of subassembly, improve the cohesion of expansion bolt and wall body, increase the stability of expansion bolt in the wall body, improve the connecting force of expansion bolt as the connecting piece, be fit for the use of various walls body.
Drawings
FIG. 1 is a schematic view of a first view plane structure according to the present invention;
FIG. 2 is a schematic view of a second view plane structure according to 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 reinforcing member in a state after being deformed by pressing in a use state.
The reference numerals include:
1-first hollow column 11-reinforcing rib 12-through hole
13-First reinforcement 131-helical tooth 14-stop collar
2-Second hollow column 21-reinforcing element 211-first connecting strip
212-Component 213-connection 3-third body
31-Notch 32-boss.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 5, an expansion bolt of the present invention includes a first hollow column 1, a second hollow column 2 and a third body 3 sequentially connected, the third body 3 is provided with a notch 31, the notch 31 is disposed along the length direction of the third body 3, and an external connecting member sequentially passes through the first hollow column 1, the second hollow column 2 and the notch 31, 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 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 protrude 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 second hollow column 2 is provided with at least one reinforcing component 21, the reinforcing component 21 comprises a first connecting strip 211 and a second connecting strip 212, a connecting part 213 is arranged at a connecting position between one end of the first connecting strip 211 and one end of the second connecting strip 212, the other end of the first connecting strip 211 is connected with an outer wall body of one end, close to the first hollow column 1, of the second hollow column 2, the other end of the second connecting strip 212 is connected with an outer wall body of one end, close to the third body 3, of the second hollow column 2, and the connecting part 213 is arranged at a wall body interval with the second hollow column 2.
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, four reinforcing ribs 11 are arranged on the outer side wall of the first hollow cylinder 1 and are distributed 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, the expansion bolt is prevented from rotating in the wall, the stability of the expansion bolt in the wall is improved, the second hollow cylinder 2 is provided with two reinforcing components 21, the two reinforcing components 21 are symmetrically arranged by the central axis of the second hollow cylinder 2, the reinforcing components 21 comprise a first connecting strip 211 and a second connecting strip 212, the first connecting strip 211, the second connecting strip 212 and the outer side wall of the second hollow cylinder 2 enclose a triangle, wherein after the expansion bolt enters the wall, the first connecting strip 211 and the second connecting strip 212 are extruded into a straight strip shape, the connecting parts 213 of the first connecting strip 211 and the second connecting strip 212 are extruded together under the extrusion of the wall, the connecting parts of the first connecting strip 211 and the second connecting strip 212 are prevented from being extruded together, the connecting strips are further increased, the stability of the expansion bolt is further improved, the expansion bolt is prevented from being connected with the expansion bolt in the wall, and the expansion bolt is further improved, the stability of the expansion bolt is further improved, and the stability is further improved, the stability is ensured, and the expansion stability is further improved.
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 randomly in the wall body, the reinforcing component 21 is arranged, 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 serving as a connecting piece is improved, and the expansion bolt is suitable for various wall bodies.
The width of the first connecting strip 211 is smaller than that of the second connecting strip 212, the sequence of the expansion bolts entering the wall is that the third body 3, the second hollow column 2 and the first hollow column 1, namely, the second connecting strip 212 enters the wall before the first connecting strip 211, the second connecting strip 212 is deformed and extruded into a straight strip, then one end of the second connecting strip 212 close to the first connecting strip 211 is extruded, the width of the first connecting strip 211 is smaller than that of the second connecting strip 212, and the structure reduces the deformation resistance of the second connecting strip 212 and reduces the wall entering resistance of the expansion bolts.
The first hollow column 1 is provided with a through hole 12 and a first reinforcement 13, the through hole 12 penetrates through the wall body of the first hollow column 1, the first reinforcement 13 is arranged in the through hole 12, the first reinforcement 13 is in swinging connection with the first hollow column 1 relatively, namely one end of the first reinforcement 13 is connected with the first hollow column 1, and the other end of the first reinforcement 13 is a free end.
The number of the through holes 12 is four, and the four through holes 12 are distributed in an annular array around the central axis of the first hollow cylinder 1.
The number of the first reinforcing pieces 13 is two, the two first reinforcing pieces 13 are symmetrically arranged with the central shaft of the first hollow cylinder 1, when an external screw passes through the first hollow cylinder 1, the first reinforcing pieces 13 are extruded to swing towards the direction far away from the central shaft of the first hollow cylinder 1, so that the first reinforcing ribs 13 are abutted against the wall, the contact surface between the first reinforcing pieces 13 and the external wall is increased, the connection resistance between the expansion bolts and the wall is improved, and the stability of the expansion bolts relative to the wall is further realized.
The first reinforcement 13 is equipped with a plurality of skewed tooth 131, and the length direction of a plurality of skewed tooth 131 along first reinforcement 13 sets up, one side of the central axis of first hollow cylinder 1 is kept away from to first reinforcement 13 is located to skewed tooth 131, and one end of skewed tooth 131 is connected in first reinforcement 13, and the free end orientation of skewed tooth 131 is kept away from the direction of second hollow cylinder and is extended, does not hinder the income wall of expansion bolt promptly, and skewed tooth 131's setting further increases the clenching force of first reinforcement 13 and external wall body, improves the stability of expansion bolt in the wall body.
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 annular boss 32 is the shape of falling round platform, and the quantity of annular boss 32 is two, is the shape of falling round platform respectively, and the external diameter that annular boss 32 is close to first hollow cylinder 1 one end is greater than the external diameter that annular boss 32 kept away from first hollow cylinder 1 one end, easily gets into the wall body.
The first hollow column body 1 is provided with a limiting ring 14, the limiting ring 14 starts from the outer side wall of the first hollow column body 1 and extends outwards, and the limiting ring 14 prevents the expansion bolt from sinking into the hole wall of the wall and influences the connection acting force of external objects and the expansion bolt.
The first reinforcement 13 is wedge-shaped, the one end that first reinforcement 13 is close to third body 3 is connected to the hole wall of through-hole 12, the one end that first reinforcement 13 kept away from third body 3 is the free end, the external diameter that first reinforcement 13 is close to the one end that third body 3 was kept away from to first reinforcement 13 is less than the external diameter that the one end that third body 3 was kept away from to first reinforcement 13, the one end that third body 3 was kept away from to first reinforcement 13 is stretched into in the first hollow cylinder 1, the external connecting piece in the first hollow cylinder 1 contradicts the free end of first reinforcement 13 so that the external connecting piece drive in the first hollow cylinder 1 the first reinforcement 13 stretches out through-hole 12, the further increase expansion bolt of through-hole of first reinforcement 13 stretches out the snap-in force of through-hole with external wall body, improve the stability of expansion bolt in the wall body.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (6)
1. An expansion bolt, characterized in that: the novel hollow column comprises a first hollow column body, a second hollow column body 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 column body, the second hollow column body and the notch;
The first hollow column body is provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs are arranged around the central axis of the first hollow column body, the reinforcing ribs are arranged on the outer wall body of the first hollow column body, and the reinforcing ribs are arranged along the length direction of the first hollow column body;
The second hollow column body is provided with at least one reinforcing component, the reinforcing component comprises a first connecting strip and a second connecting strip, a connecting part is arranged at the joint between one end of the first connecting strip and one end of the second connecting strip, the other end of the first connecting strip is connected with one end of the second hollow column body, which is close to the first hollow column body, the other end of the second connecting strip is connected with one end of the second hollow column body, which is close to the third body, the connecting part is arranged at a distance from the wall body of the second hollow column body, and the first connecting strip and the second connecting strip are soft rubber pieces; 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 protrude out of the through hole; the first reinforcement is provided with a plurality of helical teeth, the helical teeth are arranged along the length direction of the first reinforcement, and the helical teeth are arranged on one side of the first reinforcement, which is far away from the central axis of the first hollow cylinder;
the width of the first connecting strip is smaller than that of the second connecting strip;
The first reinforcement is wedge-shaped, the first reinforcement is close to the one end of third body is connected to the hole wall of through-hole, the first reinforcement is kept away from the one end of third body is the free end, the first reinforcement is close to the external diameter of the one end of third body is less than the first reinforcement is kept away from the external diameter of the one end of third body, the first reinforcement is kept away from the one end of third body is stretched into in the first hollow cylinder, external connecting piece in the first hollow cylinder is contradicted the free end of first reinforcement so that external connecting piece drive in the first hollow cylinder the first reinforcement stretches out the through-hole.
2. Expansion bolt according to claim 1, characterized in that: the number of the through holes is four, and the four through holes are distributed in an annular array with the central axis of the first hollow cylinder.
3. Expansion bolt according to claim 2, characterized in that: the number of the first reinforcing pieces is two, and the two first reinforcing pieces are symmetrically arranged on the central axis of the first hollow cylinder.
4. Expansion bolt according to claim 1, characterized in that: the third body is provided with a plurality of annular bosses, and the plurality of annular bosses are arranged along the length direction of the third body.
5. The expansion bolt according to claim 4, wherein: the annular boss is the form of falling round platform, and the external diameter that annular boss is close to first hollow cylinder one end is greater than the external diameter that annular boss kept away from first hollow cylinder one end.
6. Expansion bolt according to claim 1, characterized in that: the first hollow cylinder is provided with a limiting ring, and the limiting ring starts from the outer side wall of the first hollow cylinder and extends outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493471.3A CN110195735B (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493471.3A CN110195735B (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195735A CN110195735A (en) | 2019-09-03 |
| CN110195735B true CN110195735B (en) | 2024-06-04 |
Family
ID=67754152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493471.3A Active CN110195735B (en) | 2019-06-06 | 2019-06-06 | Expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195735B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH651112A5 (en) * | 1981-07-06 | 1985-08-30 | Selve Schweizerische Metall | Dowel |
| DE29612645U1 (en) * | 1996-07-11 | 1996-09-12 | Sagebiel, Dorothee, 14089 Berlin | Clamping bolts for components |
| DE202004019778U1 (en) * | 2004-12-22 | 2005-03-24 | Berner Gmbh | dowel |
| CN101126252A (en) * | 2006-08-11 | 2008-02-20 | Itw建筑产品意大利有限责任公司 | An anchor device of wooden or metal structures to a wall |
| CN203500213U (en) * | 2013-10-22 | 2014-03-26 | 苏州合展设计营造有限公司 | Expansion locking and fastening structure |
| CN204784040U (en) * | 2015-07-18 | 2015-11-18 | 宁波永诚五金机械有限公司 | Cavity inflation fastener |
| CN206092633U (en) * | 2016-08-31 | 2017-04-12 | 浙江天开实业有限公司 | Expansion bolts cover that antiskid is taken off |
| CN206309724U (en) * | 2017-04-01 | 2017-07-07 | 浙江天开实业有限公司 | Plastic dowel sleeve |
| CN206386360U (en) * | 2017-04-01 | 2017-08-08 | 浙江天开实业有限公司 | The all-round expansion tube of multimedium |
| CN210164765U (en) * | 2019-06-06 | 2020-03-20 | 常洁 | Expansion bolt |
-
2019
- 2019-06-06 CN CN201910493471.3A patent/CN110195735B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH651112A5 (en) * | 1981-07-06 | 1985-08-30 | Selve Schweizerische Metall | Dowel |
| DE29612645U1 (en) * | 1996-07-11 | 1996-09-12 | Sagebiel, Dorothee, 14089 Berlin | Clamping bolts for components |
| DE202004019778U1 (en) * | 2004-12-22 | 2005-03-24 | Berner Gmbh | dowel |
| CN101126252A (en) * | 2006-08-11 | 2008-02-20 | Itw建筑产品意大利有限责任公司 | An anchor device of wooden or metal structures to a wall |
| CN203500213U (en) * | 2013-10-22 | 2014-03-26 | 苏州合展设计营造有限公司 | Expansion locking and fastening structure |
| CN204784040U (en) * | 2015-07-18 | 2015-11-18 | 宁波永诚五金机械有限公司 | Cavity inflation fastener |
| CN206092633U (en) * | 2016-08-31 | 2017-04-12 | 浙江天开实业有限公司 | Expansion bolts cover that antiskid is taken off |
| CN206309724U (en) * | 2017-04-01 | 2017-07-07 | 浙江天开实业有限公司 | Plastic dowel sleeve |
| CN206386360U (en) * | 2017-04-01 | 2017-08-08 | 浙江天开实业有限公司 | The all-round expansion tube of multimedium |
| CN210164765U (en) * | 2019-06-06 | 2020-03-20 | 常洁 | Expansion bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110195735A (en) | 2019-09-03 |
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