CN217254293U - Can prevent wire thread insert of excessive tightening - Google Patents
Can prevent wire thread insert of excessive tightening Download PDFInfo
- Publication number
- CN217254293U CN217254293U CN202220100562.3U CN202220100562U CN217254293U CN 217254293 U CN217254293 U CN 217254293U CN 202220100562 U CN202220100562 U CN 202220100562U CN 217254293 U CN217254293 U CN 217254293U
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- thread insert
- steel wire
- wire thread
- main part
- bolt
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Abstract
The utility model discloses a can prevent wire thread insert of excessive tightening, including keeping off the ring, the lower terminal surface that keeps off the ring is fixed with the wire thread insert main part, and the interior bottom of wire thread insert main part is fixed with compression spring, and compression spring's top is connected with the friction plate simultaneously. This can prevent steel wire swivel nut of excessive tightening, be provided with the fender ring, the sand grip, steel wire swivel nut main part, compression spring and friction plate, sand grip and steel wire swivel nut main part, with the in-process of steel wire swivel nut main part screw in and fastening in the screw hole by one of connecting piece, the fender ring can play spacing effect, the sand grip can increase the fender ring and by the friction between the connecting piece, conveniently reach the effect of strengthening the connection, can tighten the bolt in the steel wire swivel nut main part after the screw hole by one of connecting piece with steel wire swivel nut main part screw in and fastening, the bolt is twisted to the end and after contacting the friction plate, if continue to twist the bolt, then the friction plate rotates with compression spring relatively and sends the abnormal sound, conveniently indicate people that the bolt has twisted to the end.
Description
Technical Field
The utility model relates to a steel wire swivel nut correlation technique field specifically is a can prevent steel wire swivel nut of excessive tightening.
Background
The steel wire thread insert is a novel internal thread fastener, is suitable for threaded connection, is screwed into and fastened in a threaded hole of one of connected pieces to form a standard internal thread, and a bolt (or a screw) is screwed into the standard internal thread, also called a threaded thread insert, which is called a thread insert for short, and the steel wire thread insert is embedded into threaded holes of low-strength engineering materials such as aluminum, magnesium alloy, cast iron, glass fiber reinforced plastic, plastic and the like, can form a high-precision internal thread which meets the international standard, has the functions of high connection strength, shock resistance, impact resistance and wear resistance, can disperse stress to protect the threads of a matrix, greatly prolongs the service life of the matrix, and is widely applied to electronic application.
The installation effect of the existing steel wire thread insert is not firm enough, the phenomenon of over-head twisting is easy to occur in the process of screwing the bolt into the steel wire thread insert, and the existing equipment needs to be improved aiming at the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can prevent steel wire swivel nut of excessively screwing up to current steel wire swivel nut installation effect that proposes in solving above-mentioned background is firm inadequately, twists the problem of the in-process of steel wire swivel nut with the bolt and easily appear twisting the phenomenon of moving the head.
In order to achieve the above purpose, the utility model provides a following technical scheme: a wire thread insert capable of preventing over-tightening, which comprises a baffle ring,
the lower end face of the baffle ring is fixedly provided with a steel wire thread insert main body, a compression spring is fixedly arranged at the inner bottom of the steel wire thread insert main body, and the top of the compression spring is connected with the friction plate.
By adopting the technical scheme, the bolt can be screwed into the steel wire thread insert main body after the steel wire thread insert main body is fixed on the equipment, if the bolt is screwed to the bottom and then is screwed continuously, the friction plate and the compression rotate relatively to send out abnormal sound, and the prompt effect is conveniently achieved.
Preferably, a raised line is fixed on the lower end face of the baffle ring, and the raised line is positioned on the outer side of the wire thread insert main body.
Through adopting above-mentioned technical scheme, at the in-process of installation wire thread insert main part, the friction between wire thread insert main part and the equipment can be increased to the sand grip.
Preferably, the raised lines are uniformly distributed on the lower end surface of the baffle ring in the circumferential direction.
Through adopting above-mentioned technical scheme, circumference evenly distributed's sand grip can make the contact between steel wire swivel nut main part and the equipment inseparabler.
Preferably, the number of the compression springs is two, and the two compression springs are symmetrically arranged at the inner bottom of the steel wire thread insert main body.
Through adopting above-mentioned technical scheme, compression spring plays the effect of shore to the friction plate.
Preferably, the friction plate is attached to an inner wall of the wire thread insert body.
By adopting the technical scheme, after the bolt is screwed to the bottom in the steel wire thread insert main body, if the bolt is continuously screwed, the friction plate can make abnormal sound.
Compared with the prior art, the beneficial effects of the utility model are that: the wire thread insert which can prevent over-tightening,
(1) the steel wire thread insert is provided with a stop ring, a raised line and a steel wire thread insert main body, the stop ring can play a role in limiting in the process of screwing and fastening the steel wire thread insert main body in a threaded hole of one of the connected pieces, and the raised line can increase friction between the stop ring and the connected piece, so that the installation effect of the steel wire thread insert main body is firmer;
(2) the steel wire thread insert main body, the compression spring and the friction plate are arranged, the bolt can be screwed in the steel wire thread insert main body after the steel wire thread insert main body is screwed in and fastened in the threaded hole of one of the connected pieces, and after the bolt is screwed to the bottom and contacts the friction plate, if the bolt is continuously screwed, the friction plate and the compression spring rotate relatively to send out abnormal sound, so that people can be prompted that the bolt is screwed to the bottom conveniently, and the bolt is prevented from being excessively screwed by people.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the connection structure of the baffle ring and the raised strip of the present invention.
In the figure: 1. the steel wire thread insert comprises a retaining ring, 2, a convex strip, 3, a steel wire thread insert body, 4, a compression spring, 5 and a friction plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can prevent steel wire swivel nut of excessive screw-up, it is shown according to figure 1, the lower terminal surface of fender ring 1 is fixed with steel wire swivel nut main part 3, and the interior bottom of steel wire swivel nut main part 3 is fixed with compression spring 4, compression spring 4's top is connected with friction plate 5 simultaneously, the lower terminal surface of fender ring 1 is fixed with sand grip 2, and sand grip 2 is located the outside of steel wire swivel nut main part 3, when screwing up steel wire swivel nut main part 3 on equipment, fender ring 1 can play spacing effect, sand grip 2 can increase the friction between fender ring 1 and the equipment, make the connection effect inseparabler firm more.
According to fig. 1 and 2, the raised lines 2 are uniformly distributed on the lower end surface of the baffle ring 1 in the circumferential direction, and the raised lines 2 uniformly distributed in the circumferential direction can enable the baffle ring 1 to be in closer contact with equipment.
According to fig. 1 and 3, two compression springs 4 are arranged, the two compression springs 4 are symmetrically arranged at the inner bottom of the wire thread insert main body 3, the compression springs 4 support the friction plate 5, after the bolt is screwed in the wire thread insert main body 3, the bolt is finally contacted with the friction plate 5, and if the bolt is continuously screwed, the labor is wasted.
According to the illustration in fig. 1, 2 and 3, the friction plate 5 is attached to the inner wall of the wire thread insert body 3, after the bolt is screwed to the bottom in the wire thread insert body 3 and abuts against the friction plate 5, if the bolt is continuously screwed, the friction plate 5 rotates along with the bolt, the friction plate 5 and the compression spring 4 rotate relatively to generate abnormal sound, so that the prompt function is conveniently realized, and the wire thread insert body 3 plays the limiting function in the moving process of the friction plate 5.
When the steel wire thread insert is used, the steel wire thread insert body 3 is screwed and fastened in a threaded hole of one of the connected pieces, then the bolt can be screwed in the steel wire thread insert body 3, the bolt is screwed to the bottom and abuts against the friction plate 5, if the bolt is screwed continuously, the friction plate 5 and the compression spring 4 rotate relatively to generate abnormal sound, and the bolt is not required to be screwed continuously after the abnormal sound is heard, so that the whole work is finished, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A wire thread insert that can prevent excessive tightening, includes fender ring (1), its characterized in that:
the lower end face of the baffle ring (1) is fixedly provided with a steel wire thread insert main body (3), the inner bottom of the steel wire thread insert main body (3) is fixedly provided with a compression spring (4), and the top of the compression spring (4) is connected with a friction plate (5).
2. The over-tightening prevention wire thread insert according to claim 1, wherein: the lower end face of the baffle ring (1) is fixed with a convex strip (2), and the convex strip (2) is positioned on the outer side of the steel wire thread insert main body (3).
3. The over-tightening prevention wire thread insert according to claim 2, wherein: the convex strips (2) are circumferentially and uniformly distributed on the lower end face of the baffle ring (1).
4. The over-tightening prevention wire thread insert according to claim 1, wherein: the two compression springs (4) are symmetrically arranged at the inner bottom of the steel wire thread insert main body (3).
5. The over-tightening prevention wire thread insert according to claim 1, wherein: the friction plate (5) is attached to the inner wall of the steel wire thread insert main body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220100562.3U CN217254293U (en) | 2022-01-15 | 2022-01-15 | Can prevent wire thread insert of excessive tightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220100562.3U CN217254293U (en) | 2022-01-15 | 2022-01-15 | Can prevent wire thread insert of excessive tightening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217254293U true CN217254293U (en) | 2022-08-23 |
Family
ID=82894811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220100562.3U Active CN217254293U (en) | 2022-01-15 | 2022-01-15 | Can prevent wire thread insert of excessive tightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217254293U (en) |
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2022
- 2022-01-15 CN CN202220100562.3U patent/CN217254293U/en active Active
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