CN210050185U

CN210050185U - Blind hole rivet nut with vertical lines

Info

Publication number: CN210050185U
Application number: CN201920392214.6U
Authority: CN
Inventors: 高和平; 秦昆; 胡淑敏; 王明友
Original assignee: Shanghai Rivet Rivet Manufacturing Co Ltd
Current assignee: Shanghai Rivet Rivet Manufacturing Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-11
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a blind hole rivet nut with erect line, including nut body and base, the integrative casting of base is in the open end surface edge of nut body, nut body surface just is close to the one end of base and has seted up perpendicular screw thread, the internal lock screw thread has been seted up to the one end that just keeps away from the base on the nut body. The utility model discloses in, this rivet nut is through the rubber gasket that sets up, can play the effect of sealed packing to the gap of riveting the nut junction, prevent that dust and moisture from entering into the junction and causing the phenomenon of pollution, the hollow structure of cavity board in the cooperation simultaneously, can carry out comprehensive efficient absorption effect with the metal friction noise that produces when riveting the nut and connecting, and then avoid riveting the nut to produce the sound of thorn ear when the riveting, erect the thread structure simultaneously and can be when riveting the nut and imbed the inside preformed hole of connecting piece, increase the relative friction resistance of rivet nut and connecting piece, and then avoid taking place the condition of rivet nut rotation.

Description

Blind hole rivet nut with vertical lines

Technical Field

The utility model relates to a rivet nut technical field especially relates to a blind hole rivet nut with erect line.

Background

The rivet nut is also called as rivet nut, the rivet cap, used in the fastening field of manufacturing industry of all kinds of metal plate, pipe, etc., and widely used in the assembly of electromechanical and light industrial products such as automobile, aviation, railway, refrigeration, elevator, switch, instrument, furniture, decoration, etc., and is developed for overcoming the defects that the welding nut of metal sheet and thin pipe is easy to melt, the base material is easy to weld and deform, the tapping internal thread is easy to slip, etc., and the rivet nut has no need of tapping internal thread, high riveting firmness efficiency and convenient use.

However, when the existing rivet nut rivets the connecting piece, because the contact surface of the rivet or the rivet nut is not smooth enough, burrs or turned edges are easily generated, so that the noise of the thorn ears can be generated due to metal friction when the rivet nut is riveted, the comfort of an operator is reduced, and meanwhile, the phenomenon of autorotation of the rivet nut is easily caused due to the fact that the rivet nut and the connecting piece are lack of friction increasing measures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a blind hole rivet nut with vertical lines.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a blind hole rivet nut with erect line, includes nut body and base, the integrative casting of base is in the open end surface edge of nut body, nut body surface just is close to the one end of base and has seted up perpendicular screw thread, the internal lock screw thread has been seted up to the one side that just keeps away from the base on the nut body.

The following steps are further described as the technical scheme:

the outer wall diameter of base is greater than the outer wall diameter of nut body, and the vertical cross-section of base is U type structure, and the vertical cross-section of nut body is the rectangle structure.

As a further description of the above technical solution:

the nut body is internally of a three-section structure, the upper end and the lower end of the nut body are vertical structures, the middle end of the nut body is of an inward-inclined structure, and the inclination angle is 45 degrees.

As a further description of the above technical solution:

the nut body is internally provided with a groove, and the cross section of the groove is of an annular structure.

As a further description of the above technical solution:

the inside of recess inlays and is equipped with the cavity board, and the side view cross-section of cavity board is ring structure.

As a further description of the above technical solution:

rubber gaskets are stuck to the upper end and the middle end of the inner surface wall of the nut body.

As a further description of the above technical solution:

the outer surface of the bottom end of the nut body and the outer side of the groove are provided with four clamping grooves, and the four clamping grooves are distributed in an annular and equal-angle structure.

As a further description of the above technical solution:

the bottom end of the nut body is fixedly clamped with a sealing cover, and a clamping head is arranged on the inner surface of the sealing cover.

As a further description of the above technical solution:

the clamping heads are four in number, the four clamping heads are distributed in an annular and equal-angle structure, and the four clamping heads are correspondingly clamped with the four clamping grooves one to one.

As a further description of the above technical solution:

the corner edge of the nut body is of a rounded corner structure.

Advantageous effects

The utility model provides a blind hole rivet nut with erect line. The method has the following beneficial effects:

(1): this rivet nut can play the effect of sealed packing through the rubber gasket that sets up to the gap of riveting the nut junction, prevents that dust and moisture from entering into the junction and causing the phenomenon of pollution, and the cotton structure of glass in the cavity board of cooperation simultaneously can carry out comprehensive efficient absorption effect with the metal friction noise that produces when riveting the nut, and then avoids the rivet nut to contact with burr or hem and produce the noise of thorn ear when riveting.

(2): this rivet nut can be when riveting the inside preformed hole of nut embedding connecting piece through the perpendicular thread structure that sets up for erect screw thread and preformed hole contact friction, the increase is riveted the relative frictional resistance of nut and connecting piece, and then avoids taking place the condition of riveting the nut rotation, has improved the riveting stability of riveting the nut.

Drawings

Fig. 1 is a schematic structural view of a blind rivet nut with vertical lines according to the present invention;

FIG. 2 is a schematic view of the vertical cross-section structure of the present invention;

fig. 3 is a schematic view of the bottom surface structure of the nut body according to the present invention;

fig. 4 is a schematic top view of the middle cover of the present invention.

Illustration of the drawings:

1. a nut body; 11. a hollow plate; 12. an internal locking thread; 13. sealing the cover; 131. clamping a head; 14. a groove; 15. a card slot; 2. erecting threads; 3. a base; 4. a rubber gasket.

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.

In the first embodiment, referring to fig. 1-2, a blind hole rivet nut with vertical lines comprises a nut body 1 and a base 3, wherein the base 3 is integrally cast at the edge of the surface of an opening end of the nut body 1, a vertical thread 2 is arranged at one end of the surface of the nut body 1 close to the base 3, an inner locking thread 12 is arranged at one end of an inner surface wall of the nut body 1 far away from the base 3, the edges of corners of the nut body 1 are both in a rounded structure to ensure the smoothness of the surface of the rivet nut and prevent the palm of a user from being scratched by the corners of the surface of the rivet nut, the diameter of an outer wall of the base 3 is larger than that of the outer wall of the nut body 1, the vertical section of the base 3 is in a U-shaped structure, the vertical section of the nut body 1 is in a rectangular structure, the interior of the nut body 1 is in a three-section structure, the upper end and the, the rubber gasket 4 is pasted at the upper end and the middle end of the inner surface wall of the nut body 1, the rubber gasket 4 can play a role in sealing and filling the joint, and noise generated during riveting of the riveting nut can be absorbed.

In the second embodiment, referring to fig. 2-3, a groove 14 is formed in the nut body 1, the cross section of the groove 14 is of an annular structure, a hollow plate 11 is embedded in the groove 14, the cross section of the hollow plate 11 is of an annular structure, the inner diameter of the groove 14 is equal to the outer diameter of the hollow plate 11, the hollow plate 11 can be completely embedded into the groove 14, glass wool is filled in the hollow plate 11, sound transmission media can be spaced by the glass wool, an isolation effect is achieved when the rivet nut is riveted, and noise pollution during riveting of the rivet nut is reduced to the maximum extent.

In the third embodiment, referring to fig. 3-4, the bottom outer surface of the nut body 1 and the outer side of the groove 14 are provided with four clamping grooves 15, the four clamping grooves 15 are distributed in an annular and equal-angle structure, the bottom end of the nut body 1 is clamped and fixed with the sealing cover 13, the inner surface of the sealing cover 13 is provided with four clamping heads 131, the four clamping heads 131 are arranged in a total number, the four clamping heads 131 are distributed in an annular and equal-angle structure between the four clamping grooves 131, and the four clamping heads 131 are clamped and connected with the four clamping grooves 15 in a one-to-one correspondence manner, so that the four clamping heads 131 are respectively clamped and fixed in the four clamping grooves 15, and the sealing cover 13 is clamped and fixed, since the outer opening of the groove 14 extends to the outer surface of the nut body 1, when the sealing plate 13 is closed, the hollow plate 11 can be sealed.

The working principle is as follows: when in use, the nut body 1 is connected to a rivet along the direction of the base 3 by screw threads, the rivet is connected with a rivet gun, then the rivet nut penetrates into a reserved hole of a connecting piece, so that the base 3 is attached to the surface of the connecting piece, the vertical threads 2 can increase the friction force between the nut body 1 and the connecting piece, the phenomenon of self-rotation of the nut body 1 is avoided, then the rivet is pulled outwards under the action of the rivet gun, the plastic area of the nut body 1 is extruded and deformed due to the connection of the tail end of the rivet and the internal locking threads 12, the plastic area of the thread body 1 is positioned on the nut body 1 and close to the base 3 and is far away from one end part of the internal locking threads 12, the fastening and clamping effect of the connecting piece is realized by matching with the clamping action of the base 3, finally, the rivet is rotated to take out the rivet from the rivet nut, and when in riveting, the rubber gasket 4 can, can play sealed effect of filling to riveting nut inner wall junction, the cotton syllable-dividing effect of glass in the cavity board 11 in the cooperation, and the cotton quilt extrusion deformation of glass can not influence syllable-dividing effect yet, realizes the noise reduction protection effect to riveting nut maximize, receives the effect of burr or turn-up and causes the noise of thorn ear when preventing to rivet.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

1. The utility model provides a blind hole rivet nut with erect line, includes nut body (1) and base (3), its characterized in that, the open end surface edge of base (3) integrative casting at nut body (1), nut body (1) surface and the one end of being close to base (3) have seted up perpendicular screw thread (2), interior lock screw thread (12) have been seted up to the one end of just keeping away from base (3) on nut body (1).

2. The blind rivet nut with vertical threads as claimed in claim 1, characterized in that the diameter of the outer wall of the base (3) is larger than that of the outer wall of the nut body (1), the vertical section of the base (3) is of a U-shaped structure, and the vertical section of the nut body (1) is of a rectangular structure.

3. The blind rivet nut with vertical lines according to claim 1, characterized in that the interior of the nut body (1) is of a three-section structure, the upper and lower ends of the nut body are vertical structures, the middle end is of an inward-inclined structure, and the inclination angle is 45 degrees.

4. The blind rivet nut with vertical lines according to claim 1, characterized in that the nut body (1) is internally provided with a groove (14), and the side-view cross section of the groove (14) is of an annular structure.

5. The blind rivet nut with vertical lines according to claim 4, characterized in that the hollow plate (11) is embedded inside the groove (14), and the cross section of the hollow plate (11) has a ring structure.

6. The blind rivet nut with vertical lines according to claim 1, characterized in that the upper end and middle position of the inner surface wall of the nut body (1) are adhered with rubber gaskets (4).

7. The blind rivet nut with the vertical threads as claimed in claim 1, wherein the outer surface of the bottom end of the nut body (1) and located outside the groove (14) are provided with four clamping grooves (15), and the four clamping grooves (15) are distributed in an annular and equiangular structure.

8. The blind rivet nut with vertical threads as claimed in claim 1, wherein the bottom end of the nut body (1) is clamped and fixed with a sealing cover (13), and the inner surface of the sealing cover (13) is provided with a clamping head (131).

9. The blind rivet nut with vertical lines according to claim 8, characterized in that the number of the chucks (131) is four, the four chucks (131) are distributed in an annular and equal-angle structure, and the four chucks (131) are respectively clamped with the four clamping grooves (15) in a one-to-one correspondence manner.

10. The blind rivet nut with vertical lines according to claim 1, characterized in that the corner edges of the nut body (1) are rounded off.