CN210949465U - Flat head hexagonal anti-rotation rivet stud - Google Patents
Flat head hexagonal anti-rotation rivet stud Download PDFInfo
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- CN210949465U CN210949465U CN201921802155.1U CN201921802155U CN210949465U CN 210949465 U CN210949465 U CN 210949465U CN 201921802155 U CN201921802155 U CN 201921802155U CN 210949465 U CN210949465 U CN 210949465U
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- screw bolt
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Abstract
The utility model discloses a crew cut hexagonal prevents changeing rivet double-screw bolt relates to five metals technical field. This crew cut hexagonal prevents changeing rivet stud, including the film, the interlude has the double-screw bolt in the middle part of film, and the middle part fixedly connected with nut at film top, and the double-screw bolt vertically alternates in the nut and with nut threaded connection, the middle part fixedly connected with dull polish ring of film bottom, and the opening that is greater than the double-screw bolt diameter is seted up at the middle part of dull polish ring, and the position that the film top is close the outer fringe is that equidistant encircles form fixed mounting has four to prevent changeing the mechanism. This crew cut hexagonal prevents changeing rivet double-screw bolt prevents changeing mechanism through setting up to can be effectively before carrying out fixed mounting to the screw, fix the film of being connected with the nut at first, make the film obtain effectively firm back double-screw bolt more stable with being connected of nut, avoided the deviation problem that probably exists when carrying out the double-screw bolt installation through manual support nut, and then improved the installation stability of double-screw bolt.
Description
Technical Field
The utility model relates to a five metals technical field especially relates to a crew cut hexagonal prevents changeing rivet double-screw bolt.
Background
The rivet nut, the pull cap and the instant pull cap are widely used for assembling electromechanical and light industrial products such as automobiles, aviation, instruments, furniture, decoration and the like at present. The novel riveting tool is developed for overcoming the defects that a welding nut of a metal sheet and a thin pipe is easy to melt, an internal thread is easy to slip, and the like, does not need to tap the internal thread, does not need to weld the nut, is firm in riveting, and is high in efficiency and convenient to use. The rivet nut is usually used in cooperation with a stud, if the nut of a certain product needs to be installed outside, the space inside is narrow, and when the pressure head of a riveting press can not enter the riveting press and the methods such as bud extraction and the like can not meet the strength requirement, the riveting press and the expanding riveting are not feasible. A pulling rivet must be used. However, when the hand riveter is used for installation, the nut is very easy to rotate only by holding the nut by hand, so that the installation stability of the nut and the screw is affected.
SUMMERY OF THE UTILITY MODEL
Based on current technical problem, the utility model provides a crew cut hexagonal prevents changeing rivet double-screw bolt.
The utility model provides a flat head hexagonal prevents changeing rivet double-screw bolt, which comprises a film, the interlude has the double-screw bolt in the middle part of film, and the middle part fixedly connected with nut at film top, the double-screw bolt vertically alternate in the nut and with nut threaded connection, the middle part fixedly connected with dull polish ring of film bottom, and the middle part of dull polish ring set up the opening that is greater than the double-screw bolt diameter, the position that the film top is close the outer fringe is that the equidistance encircles form fixed mounting has four to prevent changeing the mechanism.
Preferably, the stud comprises a threaded rod, a nut and a flat bottom, the threaded rod is connected in the nut in a threaded mode, the nut is welded to the top end of the threaded rod, and the flat bottom is welded to the bottom end of the threaded rod.
Preferably, the nut is hexagonal in shape and has a diameter greater than the threaded rod.
Preferably, the circle center of the frosted ring and the circle center of the stud are located on the same longitudinal axis, and the frosted ring is made of rubber.
Preferably, prevent that favourable turn includes a fixed section of thick bamboo, thread groove, screw, through-hole, gluey ring and seals the membrane, and the bottom welding of a fixed section of thick bamboo is at the top of film, and has seted up the thread groove on the inner wall of a fixed section of thick bamboo, and screw threaded connection is in the thread groove, and the through-hole is seted up at the position that the film top is located a fixed section of thick bamboo below, and the bottom of film is run through to the bottom of through-hole, and the second section of screw extends to in the through-hole, and the top of gluing the ring bonds in the bottom of film, seals.
Preferably, the circle center of the rubber ring and the circle center of the through hole are located on the same longitudinal axis, and the inner diameter of the rubber ring is larger than that of the through hole.
The utility model provides a beneficial effect does:
1. through setting up the anti-rotation mechanism to can be effectively before carrying out fixed mounting to the screw post, fix the film of being connected with the nut earlier, make the film obtain effectively firm back double-screw bolt and be connected more stable with the nut, avoided the deviation problem that probably exists when carrying out the double-screw bolt installation through manual support nut, and then improved the installation stability of double-screw bolt.
2. Through setting up the dull polish ring to can effectively improve the roughness of contact surface between the two when the film with by the contact of installation part, and then improve corresponding sliding friction, avoid the film to appear very easily in the gliding condition in part surface, set up through the cooperation of preventing changeing the mechanism inner rubber ring simultaneously, can further reach the preliminary fixed effect to the film, and then be convenient for prevent changeing the use of mechanism.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
fig. 3 is a top view of the present invention.
In the figure: the anti-rotation device comprises a base plate 1, a stud 2, a nut 3, a frosted ring 4, an anti-rotation mechanism 5, a threaded rod 21, a nut 22, a flat-head bottom 23, a fixed cylinder 51, a threaded groove 52, a screw 53, a through hole 54, a rubber ring 55 and a sealing film 56.
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.
Referring to fig. 1-3, a flat-head hexagonal anti-rotation rivet stud comprises a bottom sheet 1, a stud 2 is inserted into the middle of the bottom sheet 1 in a penetrating manner, a nut 3 is fixedly connected to the middle of the top of the bottom sheet 1, the stud 2 is longitudinally inserted into the nut 3 and is in threaded connection with the nut 3, a frosted ring 4 is fixedly connected to the middle of the bottom sheet 1, an opening larger than the diameter of the stud 2 is formed in the middle of the frosted ring 4, the circle center of the frosted ring 4 and the circle center of the stud 2 are located on the same longitudinal axis, the frosted ring 4 is made of rubber, and four anti-rotation mechanisms 5 are fixedly mounted at the position, close to the outer edge.
The stud 2 comprises a threaded rod 21, a nut 22 and a flat bottom 23, the threaded rod 21 is connected in the nut 3 in a threaded mode, the nut 22 is welded at the top end of the threaded rod 21, the flat bottom 23 is welded at the bottom end of the threaded rod 21, the nut 22 is hexagonal prism-shaped, and the diameter of the nut 22 is larger than that of the threaded rod 21.
The anti-rotation mechanism 5 comprises a fixed cylinder 51, a thread groove 52, a screw 53, a through hole 54, a rubber ring 55 and a sealing film 56, wherein the bottom of the fixed cylinder 51 is welded at the top of the bottom plate 1, the thread groove 52 is formed in the inner wall of the fixed cylinder 51, the screw 53 is in threaded connection with the thread groove 52, the through hole 54 is formed in the position, below the fixed cylinder 51, at the top of the bottom plate 1, the bottom end of the through hole 54 penetrates through the bottom of the bottom plate 1, the lower half section of the screw 53 extends into the through hole 54, the top of the rubber ring 55 is bonded at the bottom of the bottom plate 1, the sealing film 56 is bonded at the bottom of the rubber ring 55, the circle center of the rubber ring 55 and the circle center of the through hole 54 are located on the.
When the blind rivet gun is used, the sealing film 56 is taken off from the rubber ring 55, so that after the rubber ring 55 is tightly attached to the surface of the part to be installed, the threaded rod 21 is rotated into the nut 3, the threaded rod extends out of the through hole 54 by rotating the screw 53 and is fixedly connected with the part to be installed, and after the blind rivet gun is connected with the nut 22, the blind rivet gun is started to screw the threaded rod 21 and the flat bottom 53 into the part to be installed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a flat head hexagonal prevents changeing rivet stud, includes film (1), its characterized in that: the utility model discloses a film, including film (1), the middle part of film (1) is interior to alternate has double-screw bolt (2), and the middle part fixedly connected with nut (3) at film (1) top, double-screw bolt (2) vertically alternate in nut (3) and with nut (3) threaded connection, the middle part fixedly connected with dull polish ring (4) of film (1) bottom, and the opening that is greater than double-screw bolt (2) diameter is seted up at the middle part of dull polish ring (4), film (1) top is the equidistance and encircles the form fixed mounting and have four prevent changeing mechanism (5).
2. The flat head hexagonal anti-rotation rivet stud according to claim 1, characterized in that: the stud (2) comprises a threaded rod (21), a nut (22) and a flat head bottom (23), the threaded rod (21) is in threaded connection with the nut (3), the nut (22) is welded to the top end of the threaded rod (21), and the flat head bottom (23) is welded to the bottom end of the threaded rod (21).
3. The flat head hexagonal anti-rotation rivet stud according to claim 2, characterized in that: the nut (22) is hexagonal and the diameter of the nut (22) is larger than that of the threaded rod (21).
4. The flat head hexagonal anti-rotation rivet stud according to claim 1, characterized in that: the circle center of the frosted ring (4) and the circle center of the stud (2) are located on the same longitudinal axis, and the frosted ring (4) is made of rubber.
5. The flat head hexagonal anti-rotation rivet stud according to claim 1, characterized in that: prevent changeing mechanism (5) including solid fixed cylinder (51), thread groove (52), screw (53), through-hole (54), rubber ring (55) and seal membrane (56), the bottom welding of solid fixed cylinder (51) is at the top of film (1), and seted up thread groove (52) on the inner wall of solid fixed cylinder (51), screw (53) threaded connection is in thread groove (52), through-hole (54) are seted up and are located the position of solid fixed cylinder (51) below at film (1) top, and the bottom of through-hole (54) runs through the bottom of film (1), the lower half section of screw (53) extends to in through-hole (54), the top of rubber ring (55) bonds in the bottom of film (1), seal membrane (56) bonds in the bottom of rubber ring (55).
6. The flat head hexagonal anti-rotation rivet stud according to claim 5, characterized in that: the circle center of the rubber ring (55) and the circle center of the through hole (54) are located on the same longitudinal axis, and the inner diameter of the rubber ring (55) is larger than that of the through hole (54).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921802155.1U CN210949465U (en) | 2019-10-25 | 2019-10-25 | Flat head hexagonal anti-rotation rivet stud |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921802155.1U CN210949465U (en) | 2019-10-25 | 2019-10-25 | Flat head hexagonal anti-rotation rivet stud |
Publications (1)
Publication Number | Publication Date |
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CN210949465U true CN210949465U (en) | 2020-07-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921802155.1U Active CN210949465U (en) | 2019-10-25 | 2019-10-25 | Flat head hexagonal anti-rotation rivet stud |
Country Status (1)
Country | Link |
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CN (1) | CN210949465U (en) |
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2019
- 2019-10-25 CN CN201921802155.1U patent/CN210949465U/en active Active
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