CN211778436U - Threading-free nut connection - Google Patents
Threading-free nut connection Download PDFInfo
- Publication number
- CN211778436U CN211778436U CN202020036041.7U CN202020036041U CN211778436U CN 211778436 U CN211778436 U CN 211778436U CN 202020036041 U CN202020036041 U CN 202020036041U CN 211778436 U CN211778436 U CN 211778436U
- Authority
- CN
- China
- Prior art keywords
- nut
- sleeve
- stud
- compression stud
- clamping piece
- 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.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 38
- 238000007906 compression Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses exempt from to open silk nut and connect, constitute by nut sleeve, clamping piece and compression screw bolt, adopt compression screw bolt extrusion clamping piece to make parts such as clamping piece clamping screw, reinforcing bar, pipeline accomplish and connect, need not to open the silk, practice thrift the cost, improve work efficiency.
Description
Technical Field
The present invention relates to nut connections, and more particularly to a connection of a nut without a screw.
Background
At present, the nut connection usually needs to be threaded on the connected parts, for example, when the screw, the steel bar and the pipeline are connected by the nut, the screw, the steel bar and the pipeline need to be threaded, threads are manufactured, a large amount of time and cost are consumed, and the nut connection cannot be used frequently because of the problems of rusting, thread sliding, loosening and the like of the threads. Particularly, when the sleeve is used for connecting the steel bars and the pipeline, the steel bars and the pipeline need to be threaded on site, and much time and cost are consumed. The utility model discloses exempt from to open silk nut connection and need not open the silk on parts such as the screw rod that connect, reinforcing bar, pipeline, just can fasten or dock parts such as screw rod, reinforcing bar, pipeline.
Disclosure of Invention
In order to overcome the deficiency of the background art, the utility model discloses exempt from to open a screw nut and be connected with following advantage: the wire cutting is not needed, the cost is saved, and the working efficiency is improved.
The technical scheme of the utility model, include: the clamping device comprises a nut sleeve, a clamping piece and a compression stud; the inner side of one end of the nut sleeve is provided with a conical hole wall, and the inner side of the other end of the nut sleeve is provided with nut sleeve threads; the section of each clamping piece is conical, the clamping pieces slide along the wall of the conical hole, the distance between the clamping pieces is increased when the clamping pieces slide towards the inner side, and the distance between the clamping pieces is decreased when the clamping pieces slide towards the outer side, so that the screw rod is clamped; the pressing stud is of a hollow structure, pressing stud threads are arranged outside the pressing stud, the pressing stud is in threaded connection with the nut sleeve through the nut sleeve threads, the pressing stud is screwed into or out of the nut sleeve through rotating the pressing stud or the nut sleeve, when the pressing stud is screwed into the nut sleeve, the pressing stud extrudes the clamping piece, so that the screw is fixed by being extruded by the clamping piece, and when the pressing stud is screwed out of the nut sleeve, the pressing stud loosens the clamping piece, so that the clamping piece loosens the screw; the utility model discloses the screw rod of connection need not open the silk, does not need the screw thread promptly.
The outer surface of the nut sleeve is provided with a nut sleeve external thread, and the nut sleeve external thread is provided with a pressing nut for applying fastening pressure.
The conical hole wall and the clamping piece adopt a multi-stage conical structure, and round corners or straight line transition is formed between adjacent conical structures.
The number of clips is 2 to 6.
The clamping piece is provided with a concave-convex groove, so that the clamping piece can be better engaged with the screw rod.
Two ends of the compression stud are symmetrically connected with two groups of nut sleeves and clamping pieces, and the compression stud is of a solid or hollow structure and is used for butt joint connection of reinforcing steel bars, pipelines, steel wires or parts.
And a sealing gasket is arranged between the pressing stud and the pipeline and is used for butt joint connection of the pipeline.
And adhesive materials are coated on the nut sleeve, the clamping piece and the compression stud to fill the gap and enhance the connection strength.
Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the wire cutting is not needed, the cost is saved, and the working efficiency is improved.
Drawings
For the sake of clarity, the present invention will be described below with reference to a connection diagram of a nut without opening threads, the following drawings are merely exemplary embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a screw nut without screw-on:
the clamping device comprises a sleeve 1, a clamping piece 2, a compression stud 3, a conical hole wall 11, nut sleeve threads 12 and compression stud threads 31.
FIG. 2 is a schematic view of the screw nut without opening the screw:
sleeve 1, clip 2, hold-down stud 3.
Fig. 3 is a schematic sectional view of the pressing nut:
the clamping device comprises a sleeve 1, a clamping piece 2, a compression stud 3, a pressing nut 4 and a nut sleeve external thread 13.
Fig. 4 is an exploded view of the pressing nut:
the clamping device comprises a sleeve 1, a clamping piece 2, a compression stud 3, a pressing nut 4 and a nut sleeve external thread 13.
FIG. 5 is a schematic cross-sectional view of a multi-stage tapered structure:
sleeve 1, clamping piece 2, clamping stud 3, pressure nut 4.
FIG. 6 is an exploded view of a multi-stage tapered structure:
sleeve 1, clamping piece 2, clamping stud 3, pressure nut 4.
Fig. 7 is a schematic view of a clip tongue and groove:
a clip 2.
FIG. 8 is a schematic cross-sectional view of a butt joint:
sleeve 1, clip 2, hold-down stud 3.
Fig. 9 is an exploded view of the butt joint:
sleeve 1, clip 2, hold-down stud 3.
FIG. 10 is an exploded view of a sealed, abutting connection of pipes:
the clamping device comprises a sleeve 1, a clamping piece 2, a compression stud 3 and a sealing gasket 5.
Detailed Description
Embodiment 1, as shown in fig. 1 and 2 the utility model discloses exempt from to drive the nut and connect, include: the clamping device comprises a nut sleeve 1, a clamping piece 2 and a compression stud 3; the inner side of one end of the nut sleeve 1 is provided with a conical hole wall 11, and the inner side of the other end of the nut sleeve is provided with nut sleeve threads 12; the section of each clamping piece 2 is conical, the clamping pieces 2 slide along the conical hole wall 11, the distance between the clamping pieces 2 is increased when the clamping pieces 2 slide inwards, and the distance between the clamping pieces 2 is decreased when the clamping pieces slide outwards, so that the screw rod is clamped; the compression stud 3 is of a hollow structure, a compression stud thread 31 is arranged outside the compression stud, the compression stud 3 is connected with the nut sleeve 1 through a nut sleeve thread 12 and the compression stud thread 31, the compression stud 3 is screwed into or out of the nut sleeve 1 by rotating the compression stud 3 or the nut sleeve 1, when the compression stud 3 is screwed into the nut sleeve 1, the compression stud 3 extrudes the clamping piece 2, so that the screw is fixed by being extruded by the clamping piece 2, and when the compression stud 3 is screwed out of the nut sleeve 1, the compression stud 3 loosens the clamping piece 2, so that the clamping piece 2 loosens the screw; the utility model discloses the screw rod of connection need not open the silk, does not need the screw thread promptly.
Example 4, as shown in fig. 1 and 2, the nut without opening threads of the present invention is connected, and the number of the clamping pieces 2 is 2 to 6.
Embodiment 6, as shown in fig. 8 and 9 the utility model discloses exempt from to drive the nut and connect, 3 both ends symmetric connection two sets of nut sleeve 1 of housing stud and clamping piece 2, housing stud 3 is solid or hollow structure for the butt joint of reinforcing bar, pipeline, steel wire or part is connected.
Embodiment 7, as shown in fig. 10, the utility model discloses exempt from to drive the screw nut to connect, install seal gasket 5 between housing stud 3 and pipeline for the butt joint of pipeline is connected.
Embodiment 8, as shown in fig. 1 to 10, the nut without tapping of the present invention is connected by applying a binding material on the nut sleeve 1, the clip 2 and the hold-down stud 3 to fill the gap and enhance the connection strength.
Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the wire cutting is not needed, the cost is saved, and the working efficiency is improved.
Any person skilled in the art can make modifications or modify equivalent embodiments according to the technical content disclosed above without departing from the technical solution of the present invention, but any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (8)
1. Exempt from to open a silk nut and connect, its characterized in that includes: the clamping device comprises a nut sleeve (1), a clamping piece (2) and a compression stud (3); the inner side of one end of the nut sleeve (1) is provided with a conical hole wall (11), and the inner side of the other end of the nut sleeve is provided with a nut sleeve thread (12); the section of each clamping piece (2) is conical, the clamping pieces (2) slide along the wall (11) of the conical hole, the distance between the clamping pieces (2) is increased when the clamping pieces slide towards the inner side, and the distance between the clamping pieces (2) is decreased when the clamping pieces slide towards the outer side, so that the screw rod is clamped; the compression stud (3) is of a hollow structure, a compression stud thread (31) is arranged outside the compression stud, the compression stud (3) is connected with the nut sleeve (1) through a nut sleeve thread (12) and the compression stud thread (31), the compression stud (3) is screwed in or out of the nut sleeve (1) by rotating the compression stud (3) or the nut sleeve (1), when the compression stud (3) is screwed in the nut sleeve (1), the compression stud (3) extrudes the clamping piece (2), so that the screw is extruded and fixed by the clamping piece (2), and when the compression stud (3) is screwed out of the nut sleeve (1), the compression stud (3) loosens the clamping piece (2), so that the clamping piece (2) loosens the screw; the screw rod connected by the nut without tapping does not need tapping, namely, threads are not needed.
2. A threadless nut connection according to claim 1, characterized in that a nut-sleeve external thread (13) is present on the outer surface of the nut-sleeve (1), and that a pressure nut (4) is present on the nut-sleeve external thread (13) for applying the tightening pressure.
3. The threading-free nut connection according to claim 1, wherein the tapered bore wall (11) and the clip (2) are of a multi-step tapered configuration with rounded corners or straight transitions between adjacent tapered configurations.
4. A threadless nut connection according to claim 1, characterized in that the number of jaws (2) is 2 to 6.
5. A threadless nut connection according to claim 1 or 3, characterized in that the jaws (2) are provided with a groove and a tongue, so that the jaws (2) engage the screw better.
6. The threading-free nut connection according to claim 1 or 3, wherein two ends of the compression stud (3) are symmetrically connected with two sets of nut sleeves (1) and clamping pieces (2), and the compression stud (3) is of a solid or hollow structure and is used for butt connection of steel bars, pipelines, steel wires or parts.
7. A threadless nut connection according to claim 1 or 3, characterized in that a sealing gasket (5) is arranged between the hold-down stud (3) and the pipe for butt connection of the pipes.
8. The threading-free nut connection according to claim 1 or 3, wherein a cementing material is coated on the nut sleeve (1), the clamping piece (2) and the compression stud (3) to fill gaps and enhance the connection strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036041.7U CN211778436U (en) | 2020-01-08 | 2020-01-08 | Threading-free nut connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036041.7U CN211778436U (en) | 2020-01-08 | 2020-01-08 | Threading-free nut connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778436U true CN211778436U (en) | 2020-10-27 |
Family
ID=72889390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020036041.7U Expired - Fee Related CN211778436U (en) | 2020-01-08 | 2020-01-08 | Threading-free nut connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966295A (en) * | 2020-01-08 | 2020-04-07 | 莫崇规 | Threading-free nut connection |
-
2020
- 2020-01-08 CN CN202020036041.7U patent/CN211778436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966295A (en) * | 2020-01-08 | 2020-04-07 | 莫崇规 | Threading-free nut connection |
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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: 20201027 |