CN217682728U

CN217682728U - M64 blind nut

Info

Publication number: CN217682728U
Application number: CN202221348253.4U
Authority: CN
Inventors: 张奕
Original assignee: SHANGHAI JINMA HIGH STRENGTH FASTENER CO Ltd
Current assignee: SHANGHAI JINMA HIGH STRENGTH FASTENER CO Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-28
Anticipated expiration: 2032-06-01

Abstract

The utility model provides a M64 blind nut relates to nut technical field, including treating the connecting piece, the thread groove has been seted up at the top of treating the connecting piece, the bottom inner wall of thread groove sets up flutedly, the inside threaded connection of thread groove has first crown plate, the inner wall of first crown plate just is close to the top and has seted up the chamfer, the inside threaded connection of first crown plate has nut body and its bottom to imbed in the recess, the surface of nut body just is close to the bottom and has seted up the quad slit. The utility model discloses a head end to the nut body is resisted on first crown plate, at this moment the hypotenuse of triangle cardboard can be hugged closely with the chamfer, the rethread rotates the nut body, make the nut body enter into first crown plate, at this moment the triangle cardboard can extrude the chamfer and enter into the quad slit, when the quad slit is located the second annular groove, the triangle cardboard can enter into the effect of second annular groove through the elasticity of spring to can reach the effect of easy to assemble nut body and prevent that the nut body is not hard up.

Description

M64 blind nut

Technical Field

The utility model relates to a nut technical field especially relates to M64 blind nut.

Background

Nuts, as one of the most common fasteners, are commonly used in conjunction with bolts to secure various components together. In practice, one often pre-embeds the nut in one component and then inserts the bolt through the other component, which is connected to the pre-embedded blind nut.

The bottom surface of the existing nut is usually flat, other equipment is required to be used for drilling holes on a part needing the embedded nut in advance when the nut is embedded, the drilling operation is troublesome, time and labor are wasted, and the installation efficiency is low; the nut has poor fastening performance and is easy to loosen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the nut bottom surface mentioned in the above-mentioned background art and often being smooth, the embedded nut need use other equipment in advance to drill on the part that needs embedded nut, and drilling troublesome poeration wastes time and energy, the problem that the installation effectiveness is low, and the M64 blind nut who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: m64 blind hole nut, including treating the connecting piece, treat the top of connecting piece and seted up the spiral shell groove, the bottom inner wall of spiral shell groove has seted up flutedly, the inside threaded connection of spiral shell groove has first crown plate, the inner wall of first crown plate just has seted up the chamfer near the top, the inside threaded connection of first crown plate has nut body and its bottom to imbed in the recess, the surface of nut body just is close to the bottom and has seted up the quad slit, the inside of quad slit just is close to its both ends and all is equipped with the slurcam, two be fixed with the spring between the slurcam, a lateral wall of slurcam is fixed with the triangle cardboard, the arc limit and the chamfer looks adaptation of triangle cardboard, the blind hole groove has been seted up at the top of nut body, the inside threaded connection in blind hole groove has the bolt.

Preferably, the inner wall of spiral groove just is located the top and has seted up first annular, the outer wall of first crown plate is just close to the top cover and is established and be fixed with the second crown plate, second crown plate and first annular looks adaptation.

Preferably, the surface of the nut body is provided with a triangular annular plate close to the top in a sleeved mode, and the arc edge of the triangular annular plate is matched with the chamfer.

Preferably, the both sides wall of slurcam all is fixed with the stopper, the spacing groove has all been seted up to the both sides inner wall of quad slit, the stopper is located spacing inslot sliding connection.

Preferably, the inner wall of the first annular plate and the position at the bottom of the first annular plate are provided with a second annular groove, and the triangular clamping plate is positioned inside the second annular groove.

Preferably, the top of the bolt is provided with a cross groove, and the top of the bolt is fixedly sleeved with a third annular plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, resist on first crown plate through the head end to the nut body, at this moment the hypotenuse of triangle cardboard can be hugged closely with the chamfer, the rethread rotates the nut body, make the nut body enter into first crown plate in, at this moment the triangle cardboard can extrude the chamfer and enter into the quad slit, when the quad slit is located the second annular groove, the triangle cardboard can enter into the effect of second annular groove through the elasticity of spring to can reach the effect of easy to assemble nut body and prevent that the nut body is not hard up.

2. The utility model discloses in, through second crown plate and first annular looks adaptation, the hypotenuse and the chamfer looks adaptation through triangle crown plate simultaneously again can play the effect that makes second crown plate and the sealed first annular of triangle crown plate and chamfer, can play the effect that prevents water from getting into from the gap between it to can reach and prevent its inside long-time and rusty effect.

Drawings

Fig. 1 is a perspective view of the overall structure of the M64 blind nut of the present invention;

fig. 2 is a cross-sectional perspective view of the whole structure of the M64 blind nut provided by the present invention;

fig. 3 is a sectional perspective view of the nut body structure of the M64 blind nut of the present invention;

fig. 4 is a sectional perspective view of a ring plate structure of the M64 blind nut of the present invention;

fig. 5 is a cross-sectional perspective view of a to-be-connected component of the M64 blind nut of the present invention;

fig. 6 is a perspective view of the spring structure of the M64 blind nut of the present invention.

Illustration of the drawings: 1. a member to be connected; 2. a screw groove; 3. a first ring groove; 4. a groove; 5. a first ring plate; 6. a second ring groove; 7. a second ring plate; 8. chamfering; 9. a nut body; 10. a triangular ring plate; 11. a square hole; 12. a limiting groove; 13. a push plate; 14. a limiting block; 15. a spring; 16. a triangular clamping plate; 17. a blind hole groove; 18. a bolt; 19. a cross groove; 20. a third ring plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Embodiment 1, as shown in fig. 1-6, the utility model provides a M64 blind nut, including treating connecting piece 1, treat that connecting piece 1's top has seted up the spiral groove 2, the bottom inner wall of spiral groove 2 has seted up recess 4, the inside threaded connection of spiral groove 2 has first crown plate 5, the inner wall of first crown plate 5 just has seted up chamfer 8 near the top, the inside threaded connection of first crown plate 5 has nut body 9 and its bottom to imbed in recess 4, nut body 9's surface just is close to the bottom and has seted up quad slit 11, the inside of quad slit 11 just is close to its both ends and all is equipped with slurcam 13, be fixed with spring 15 between two slurcams 13, a lateral wall of slurcam 13 is fixed with triangle cardboard 16, the arc limit and the chamfer 8 looks adaptation of triangle cardboard 16, blind hole groove 17 has been seted up at nut body 9's top, blind hole groove 17's inside threaded connection has bolt 18.

The effect that its whole embodiment 1 reached does, screw groove 2 has been seted up through the top of treating connecting piece 1, the inside threaded connection of screw groove 2 has first crown plate 5, can play the effect of installing first crown plate 5, the inner wall of rethread first crown plate 5 and be close to the top and seted up chamfer 8, can play the effect that extrusion triangle cardboard 16 entered into quad slit 11, recess 4 has been seted up to the bottom inner wall of rethread screw groove 2, the inside threaded connection of first crown plate 5 has nut body 9 and its bottom is embedded into in recess 4, can play the effect of facilitating the installation nut body 9, the surface of rethread nut body 9 and be close to the bottom and seted up quad slit 11, the inside of quad slit 11 and be close to its both ends all is equipped with slurcam 13, be fixed with spring 15 between two slurcams 13, a lateral wall of slurcam 13 is fixed with triangle cardboard 16, can play the effect that makes spring 15 promote slurcam 13 and extrude triangle cardboard 16 and enter into second surround slit 6, rethread triangle 16's arc limit and chamfer 8 looks adaptation, can play the effect that 18 bolt 17 that the inside threaded connection of chamfer 16 has seted up blind hole 17.

In embodiment 2, as shown in fig. 1 to 6, a first ring groove 3 is formed in the inner wall of the spiral groove 2 and at the top, a second ring plate 7 is fixedly sleeved on the outer wall of the first ring plate 5 and near the top, and the second ring plate 7 is adapted to the first ring groove 3; a triangular annular plate 10 is fixedly sleeved on the surface of the nut body 9 close to the top, and the arc edge of the triangular annular plate 10 is matched with the chamfer 8; both side walls of the pushing plate 13 are fixed with limiting blocks 14, both side inner walls of the square hole 11 are provided with limiting grooves 12, and the limiting blocks 14 are positioned in the limiting grooves 12 and are in sliding connection; a second annular groove 6 is formed in the inner wall of the first annular plate 5 and located at the bottom, and a triangular clamping plate 16 is located inside the second annular groove 6; the top of the bolt 18 is provided with a cross groove 19, and the top of the bolt 18 is fixedly sleeved with a third annular plate 20.

The effect that its whole embodiment 2 reaches does, inner wall through spiral groove 2 just is located the top and has seted up first annular 3, the outer wall of first annular 5 and be close to the top cover and establish and be fixed with second annular 7, second annular 7 and first annular 3 looks adaptation, can play the effect of sealed first annular 3, the surface of rethread nut body 9 just is close to the top cover and establishes and be fixed with triangle annular 10, the arc limit and the chamfer 8 looks adaptation of triangle annular 10, can play the effect of sealed chamfer 8, rethread both sides wall of slurcation board 13 all is fixed with stopper 14, spacing groove 12 has all been seted up to the both sides inner wall of quad slit 11, stopper 14 is located sliding connection in spacing groove 12, can play and carry out spacing effect to slurcation board 13, rethread first annular 5's inner wall just is located the bottom and has seted up second annular 6, triangle cardboard 16 is located the inside of second annular 6, can play the effect that prevents that nut body 9 is not hard up, rethread bolt 18's top has seted up groove 19, the top cover is fixed with third annular 6 has been established and has been fixed, can play the convenient cross effect that the bolt 18 rotates simultaneously and need the effect of the installation.

The working principle is as follows: through putting into the spiral groove 2 inside and rotating first crown plate 5, make its top second crown plate 7 imbed in first annular 3, again through resisting the head end of nut body 9 on the open-top of first crown plate 5, rethread rotates nut body 9, make nut body 9 enter into first crown plate 5 in, the hypotenuse and the chamfer 8 of triangle cardboard 16 hug closely, rotate nut body 9 back again, this triangle cardboard 16 can extrude pushing plate 13, pushing plate 13 extrudees spring 15, make in triangle cardboard 16 enters into quad slit 11 completely, continue to rotate nut body 9, when quad slit 11 is located second annular 6, triangle cardboard 16 can enter into second annular 6 through the elasticity of spring 15, can play the effect of blocking nut body 9, thereby can reach the effect that prevents nut body 9 from becoming flexible, rethread rotates bolt 18 spiral and enters into blind hole 17, can play the effect of certain article of installation fixing.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

M64 blind nut, including treating connecting piece (1), its characterized in that: treat that the top of connecting piece (1) has seted up thread groove (2), the bottom inner wall of thread groove (2) is seted up flutedly (4), the internal thread of thread groove (2) is connected with first crown plate (5), the inner wall of first crown plate (5) just is close to the top and has seted up chamfer (8), the internal thread of first crown plate (5) is connected with nut body (9) and its bottom imbeds in recess (4), the surface of nut body (9) just is close to the bottom and has seted up quad slit (11), the inside of quad slit (11) just is close to its both ends and all is equipped with slurcam (13), two be fixed with spring (15) between slurcam (13), a lateral wall of slurcam (13) is fixed with triangle cardboard (16), the arc limit and the chamfer (8) looks adaptation of triangle cardboard (16), blind hole groove (17) have been seted up at the top of nut body (9), the internal thread connection of blind hole groove (17) has bolt (18).
2. The M64 blind nut as defined in claim 1, wherein: the inner wall of spiral shell groove (2) just is located the top and has seted up first annular (3), the outer wall of first crown plate (5) just is close to the top cover and establishes and be fixed with second crown plate (7), second crown plate (7) and first annular (3) looks adaptation.
3. The M64 blind nut as defined in claim 1, wherein: the surface of the nut body (9) is provided with a triangular annular plate (10) close to the top in a sleeved mode, and the arc edge of the triangular annular plate (10) is matched with the chamfer angle (8).
4. The M64 blind nut as defined in claim 1, wherein: both sides wall of slurcam (13) all is fixed with stopper (14), spacing groove (12) have all been seted up to the both sides inner wall of quad slit (11), stopper (14) are located spacing groove (12) sliding connection.
5. The M64 blind nut as defined in claim 1, wherein: the inner wall of the first annular plate (5) is positioned at the bottom and provided with a second annular groove (6), and the triangular clamping plate (16) is positioned inside the second annular groove (6).
6. The M64 blind nut as defined in claim 1, wherein: the top of the bolt (18) is provided with a cross groove (19), and the top of the bolt (18) is fixedly sleeved with a third annular plate (20).