CN213744424U - Nut with inner and outer teeth and large pretightening force - Google Patents
Nut with inner and outer teeth and large pretightening force Download PDFInfo
- Publication number
- CN213744424U CN213744424U CN202022894140.1U CN202022894140U CN213744424U CN 213744424 U CN213744424 U CN 213744424U CN 202022894140 U CN202022894140 U CN 202022894140U CN 213744424 U CN213744424 U CN 213744424U
- Authority
- CN
- China
- Prior art keywords
- nut body
- nut
- thread
- row
- screw
- 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
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A nut with internal and external teeth and high pretightening force is composed of a nut body, external screw teeth, a limiting ring and a through hole. Each row of outer thread row all includes a plurality of interval sets up the thread on the nut body lateral wall. The thread teeth in each row of the outer thread rows are arranged along the axial direction of the nut body. The through hole comprises a threaded hole and a mounting hole which are sequentially arranged on the nut body. On the section along the central shaft of the nut body, the outer contour of the nut body is in a conical shape, and the section of the thread tooth is in an isosceles triangle shape. In each row of the outer thread rows, the distance from one side edge of the thread teeth far away from the nut body to the central shaft of the nut body is reduced in sequence from the thread teeth near one end of the limiting ring to the thread teeth far away from one end of the limiting ring, so that the inner and outer thread nuts are convenient to install in a twisting mode. Therefore, the nut with the inner and outer teeth is simple in structure, convenient to install and not easy to loosen.
Description
Technical Field
The utility model relates to a nut technical field, in particular to inside and outside tooth nut with big pretightning force.
Background
The installation of the existing furniture materials often needs to firmly connect some furniture side plates or supporting upright posts. Generally, a bolt is arranged on a side plate or a support column, a nut is arranged on another plate connected with the side plate or the support column, and the side plate or the support column is fixedly connected with the plate through the connection of the bolt and the nut.
However, when the nut is used, the nut is difficult to mount due to the unreasonable structure, time and labor are wasted, and the mounting efficiency is affected.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a simple to operate's interior outer tooth nut that has big pretightning force to satisfy above-mentioned demand.
The utility model provides an inside and outside tooth nut with big pretightning force, its includes a nut body, and the multiseriate interval sets up outer screw dentition on the nut body lateral wall, one sets up spacing ring on the nut body one end, and one sets up nut body ascending through-hole of axial. Each row of outer thread row all includes a plurality of interval sets up the thread on the nut body lateral wall. The thread teeth in each row of the outer thread rows are arranged along the axial direction of the nut body. The through hole comprises a threaded hole and a mounting hole which are sequentially arranged on the nut body. The limiting ring is arranged at one end part of the nut body close to the mounting hole. The extending directions of the screw threads in the outer screw thread rows can be connected together to form a spiral line. The helix rotates in the opposite direction to the direction of rotation of the thread in the threaded bore. On the section along the central shaft of the nut body, the outer contour of the nut body is in a conical shape, and the section of the thread tooth is in an isosceles triangle shape. In each row of the outer thread rows, the distance from one side edge of the thread teeth far away from the nut body to the central shaft of the nut body is reduced in sequence from the thread teeth near one end of the limiting ring to the thread teeth far away from one end of the limiting ring, so that the inner and outer thread nuts are convenient to install in a twisting mode.
Further, the distance between any two adjacent outer thread rows is equal.
Further, in each row of the outer thread rows, the distance between any two adjacent thread teeth is equal.
Further, the diameter of the limiting ring is larger than that of one end, close to the limiting ring, of the nut body.
Further, the outer contour of the section of the mounting hole is a regular hexagon.
Further, the diameter of the inscribed circle of the mounting hole is equal to the diameter of the threaded hole.
Compared with the prior art, the utility model provides an inside and outside tooth nut with big pretightning force is through setting up outer screw dentition on nut body lateral wall. Each row of outer thread row all includes a plurality of interval sets up the thread on the nut body lateral wall. The thread teeth in each row of the outer thread rows are arranged along the axial direction of the nut body. The extending directions of the screw threads in the outer screw thread rows can be connected together to form a spiral line. On the section along the central shaft of the nut body, the outer contour of the nut body is in a conical shape, and the section of the thread tooth is in an isosceles triangle shape. In each row of the outer thread rows, the distance from one side edge of the thread teeth far away from the nut body to the central shaft of the nut body is reduced in sequence from the thread teeth near one end of the limiting ring to the thread teeth far away from one end of the limiting ring, so that the inner and outer thread nuts are convenient to install in a twisting mode. Therefore, the nut with the inner and outer teeth is simple in structure, convenient to install and not easy to loosen.
Drawings
Fig. 1 is a schematic structural view of the inner and outer thread nuts with large pretightening force provided by the present invention.
Fig. 2 is a schematic cross-sectional view of the nut with inner and outer teeth of fig. 1 having a large pre-tightening force.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1 to fig. 2, it is a schematic structural diagram of the internal and external thread nut with large pretightening force provided by the present invention. The nut with the inner and outer teeth and the large pretightening force comprises a nut body 10, a plurality of rows of outer screw teeth 20 arranged on the outer side wall of the nut body 10 at intervals, a limiting ring 30 arranged on one end head of the nut body 10 and a through hole 40 arranged on the axial direction of the nut body 10. It is contemplated that the internal and external threaded nuts with high preload force may further include functional modules, such as torque wrenches, bolts, etc., which are well known to those skilled in the art and will not be described herein.
The outer profile of the nut body 10 is tapered in a cross-section along the central axis of the nut body 10 to make it easier to screw the nut into a preformed hole (not shown). The nut body 10 is prior art and will not be described herein.
Each row of the outer thread rows 20 includes a plurality of threads 21 spaced apart from each other on an outer side wall of the nut body 10. The threads 21 in each row of the outer thread rows 20 are all arranged along the axial direction of the nut body 10, the distance between any two adjacent outer thread rows 20 is equal, and the distance between any two adjacent threads 21 in each row of the outer thread rows 20 is equal, so that the threads 21 are uniformly arranged on the outer side wall of the nut body 10. The thread ridges 21 of a plurality of the outer thread rows 20 may extend in a helical line while being connected to each other, so that the nut body 10 may be screwed into a prepared hole (not shown) along the helical direction of the helical line. The outer thread 21 has an isosceles triangle cross-section along the central axis of the nut body 10, so that the nut is more easily inserted into the inner wall of the prefabricated hole. In each row of the outer thread row 20, the distance from the thread 21 near one end of the stop collar 30 to the thread 21 far from one end of the stop collar 30 decreases in sequence, and the distance from one side edge of the plurality of threads 21 far from the nut body 10 to the central axis of the nut body 10 decreases in sequence, and it is conceivable that the height from the thread 21 near one end of the stop collar 30 to the thread 21 far from one end of the stop collar 30 decreases in sequence, that is, during the rotation installation of the inner and outer thread nuts, as the inner and outer thread nuts are screwed into the prepared holes, the height of the thread 21 of the inner and outer thread nuts entering the prepared holes increases in sequence, so that the user can smoothly twist the inner and outer thread nuts, thereby facilitating the twist installation of the inner and outer thread nuts.
The diameter of the limiting ring 30 is larger than the diameter of the nut body 10 near one end of the limiting ring 30, and when the nut body 10 is screwed into a prefabricated hole (not shown), the nut body 10 is prevented from completely immersing into the prefabricated hole.
The through hole 40 includes a threaded hole 41 and a mounting hole 42 sequentially provided on the nut body 10. The stop collar 30 is disposed on the nut body 10 adjacent to the mounting hole 42.
The inner side wall of the threaded hole 41 is provided with threads, so that fasteners such as bolts can be screwed into the nut body 10, and the fastening purpose is achieved. The rotation direction of the thread in the threaded hole 41 is opposite to the rotation direction of the spiral line formed by the plurality of thread ridges 21, so that when the fastening member such as a bolt is screwed out of the nut body 10, the nut cannot be screwed out together with the fastening member such as a bolt, and the fastening member such as a bolt can be repeatedly assembled and disassembled for many times.
The outer contour of the cross section of the mounting hole 42 is a regular hexagon, so that the friction force between the torque wrench and the inner side wall of the mounting hole 42 is increased, the torque wrench is not easy to slip when screwing the nut into a prefabricated hole (not shown), and the nut is convenient to screw. The diameter of the inscribed circle of the mounting hole 42 is equal to the diameter of the threaded hole 41, and a fastening member such as a bolt that is engaged with the threaded hole 41 can be screwed into the threaded hole 41 by passing through the mounting hole 42.
Compared with the prior art, the utility model provides an inside and outside tooth nut with big pretightning force is through setting up outer screw dentition 20 on nut body 10 lateral wall. Each row of the outer thread rows 20 includes a plurality of threads 21 spaced apart from each other on an outer side wall of the nut body 10. The threads 21 in each row of the outer thread rows 20 are arranged in the axial direction of the nut body 10. The screw threads 21 of the outer screw thread rows 20 can extend in a helical line and be connected to each other. On the section along the central axis of the nut body 10, the outer contour of the nut body 10 is tapered, and the section of the thread tooth 21 is isosceles triangle. In each row of the outer thread rows 20, the distance from one side edge of the plurality of threads 21 away from the nut body 10 to the central axis of the nut body 10 decreases in sequence from the threads 21 near one end of the stop ring 30 to the threads 21 far from one end of the stop ring 30, thereby facilitating the twist installation of the inner and outer thread nuts. Therefore, the nut with the inner and outer teeth is simple in structure, convenient to install and not easy to loosen.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (6)
1. The utility model provides an inside and outside tooth nut with big pretightning force which characterized in that: the internal and external screw nut with the large pretightening force comprises a nut body, a plurality of rows of external screw tooth rows arranged on the outer side wall of the nut body at intervals, a limiting ring arranged on one end head of the nut body, and a through hole arranged on the axial direction of the nut body, wherein each row of external screw tooth row comprises a plurality of screw teeth arranged on the outer side wall of the nut body at intervals, each row of the screw teeth in the external screw tooth row are arranged along the axial direction of the nut body, the through hole comprises a screw hole and a mounting hole which are sequentially arranged on the nut body, the limiting ring is arranged at one end part of the nut body close to the mounting hole, the extending directions of the screw teeth in the external screw tooth rows can be mutually connected together and form a spiral line, and the rotating direction of the spiral line is opposite to the rotating direction of the screw thread in the screw hole, on the cross section along the nut body center pin, the outline of nut body is the toper, the cross-section of screw thread is isosceles triangle, in every row in the outer thread row, from being close to the screw thread of spacing ring one end to keeping away from the screw thread of spacing ring one end, the distance between the side edge that a plurality of screw threads kept away from the nut body to the center pin of nut body reduces in proper order to be convenient for twist and install this inside and outside tooth nut.
2. The nut with large preload as claimed in claim 1, wherein: the distance between any two adjacent outer thread rows is equal.
3. The nut with large preload as claimed in claim 1, wherein: in each row of the outer thread rows, the distance between any two adjacent threads is equal.
4. The nut with large preload as claimed in claim 1, wherein: the diameter of the limiting ring is larger than that of one end, close to the limiting ring, of the nut body.
5. The nut with large preload as claimed in claim 1, wherein: the outer contour of the cross section of the mounting hole is a regular hexagon.
6. The nut with large preload as claimed in claim 5, wherein: the diameter of the inscribed circle of the mounting hole is equal to that of the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022894140.1U CN213744424U (en) | 2020-12-04 | 2020-12-04 | Nut with inner and outer teeth and large pretightening force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022894140.1U CN213744424U (en) | 2020-12-04 | 2020-12-04 | Nut with inner and outer teeth and large pretightening force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744424U true CN213744424U (en) | 2021-07-20 |
Family
ID=76833684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022894140.1U Expired - Fee Related CN213744424U (en) | 2020-12-04 | 2020-12-04 | Nut with inner and outer teeth and large pretightening force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744424U (en) |
-
2020
- 2020-12-04 CN CN202022894140.1U patent/CN213744424U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110285130B (en) | Quick anti-loosening fastening device and assembling and using method thereof | |
| KR20220079552A (en) | Thread-forming and thread-locking fasteners | |
| CN210164768U (en) | Anti-loosening sleeve bolt | |
| CN107429513A (en) | Inflatable anchoring device | |
| CN213744424U (en) | Nut with inner and outer teeth and large pretightening force | |
| CN212177633U (en) | Anti-loosening combined bolt | |
| CN2924134Y (en) | Conical self-locking stepless stopping nut | |
| CN113847324A (en) | Anti-loosening bolt for bridge | |
| CN211820288U (en) | Fastener with pretension function | |
| JP3163716U (en) | Fastening structure for locking nut, bolt and nut | |
| CN214578229U (en) | Threaded connection assembly | |
| CN111271358A (en) | Fastener with pre-tightening function and mounting and breaking-in method thereof | |
| CN210343994U (en) | Check bolt with built-in ejector rod | |
| CN211202585U (en) | Anti-loosening bolt | |
| CN218542859U (en) | Fastening screw for assembling plastic part product | |
| CN209892594U (en) | Riveting nut component | |
| CN210106366U (en) | Anti-loose nut | |
| CN211901216U (en) | Threaded fastener and thread pair | |
| CN210440380U (en) | Self-tapping and self-drilling screw with good anti-loosening effect | |
| CN215762754U (en) | Locking nut | |
| CN211550231U (en) | Internal and external tooth rivet nut | |
| CN210783331U (en) | Novel pipeline cleaning brush | |
| CN219282221U (en) | Never-loosening bolt | |
| CN221723209U (en) | Lock bolt with nylon column | |
| CN218151930U (en) | Pre-embedded nut |
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: 20210720 Termination date: 20211204 |