CN217926691U - Light aluminum alloy pressure riveting nut for automobile - Google Patents

Abstract

The utility model discloses a light aluminum alloy pressure rivet nut for car, include the pressure rivet nut body and locate the riveting head of pressure rivet nut body one end still includes interior nut, the internal axial of pressure rivet nut body be equipped with the smooth chamber of nut of interior nut adaptation, just the smooth chamber of nut runs through keep away from on the pressure rivet nut body the one end setting of riveting head, interior nut slidable locates in the smooth chamber of nut, be equipped with in the interior nut with the screw hole that the smooth chamber syntropy of nut set up, be close to on the pressure rivet nut body the one end of riveting head be equipped with the screw hole that the screw hole corresponds, the screw hole with the smooth chamber of nut intercommunication, the smooth chamber of nut with be equipped with the sealing washer chamber between the screw hole, the sealing washer intracavity is equipped with the sealing washer, the sealing washer below extends to the smooth chamber top of nut, when the screw hole damage, behind the smooth tooth, can directly change interior nut, need not to change whole pressure rivet nut, it is more convenient to use, practices thrift the cost.

Description

Light aluminum alloy pressure riveting nut for automobile

[ technical field ] A

The utility model relates to a technical field of nut, especially the technical field of nut is riveted to light aluminum alloy pressure for car.

[ background of the invention ]

The press riveting nut is also called a riveting nut, is a self-fastening nut applied to a thin plate or a metal plate, is circular in shape, and is provided with embossing teeth and a guide groove at one end. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, generally, the aperture of each preset hole is slightly smaller than the embossing teeth of the press riveting nut, the embossing teeth of the press riveting nut are extruded into the plate through pressure, the periphery of each preset hole generates plastic deformation, and a deformed object is extruded into the guide groove, so that the locking effect is achieved. The existing press riveting nut is mostly an integrated type, the nut is required to be completely replaced after being screwed or damaged, and the press riveting nut is required to be fixed through press riveting, so that the press riveting nut is inconvenient to replace.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a light aluminum alloy presses rivet nut for car, when the screw hole damage, smooth tooth after, can directly change interior nut, need not to change whole pressure rivet nut, it is more convenient to use, practices thrift the cost.

For realizing the above-mentioned purpose, the utility model provides a light aluminum alloy presses rivet nut for car, include the pressure rivet nut body and locate the riveting head of pressure rivet nut body one end still includes interior nut, press rivet nut internal axial be equipped with the nut sliding chamber of interior nut adaptation, just the nut sliding chamber runs through keep away from on the pressure rivet nut body the one end setting of riveting head, interior nut slidable locates in the nut sliding chamber, be equipped with in the interior nut with the screw hole of nut sliding chamber syntropy setting, be close to on the pressure rivet nut body the one end of riveting head be equipped with the screw hole that the screw hole corresponds, the screw hole with nut sliding chamber intercommunication, nut sliding chamber with be equipped with the sealing washer chamber between the screw hole, the sealing washer intracavity is equipped with the sealing washer, the sealing washer downside extends to nut sliding chamber top.

Preferably, the inner wall of the nut sliding cavity is provided with a plurality of positioning convex strips arranged along the axial direction of the nut sliding cavity, and the outer wall of the inner nut is provided with a plurality of sliding chutes in sliding fit with the positioning convex strips.

Preferably, one end of the positioning convex strip, which is far away from the rivet joint, is provided with an elastic clamping pin, and one end of the sliding groove, which is far away from the rivet joint, is provided with a clamping groove in clamping fit with the elastic clamping pin.

Preferably, the rivet joint comprises a positioning gear ring arranged at the end part of the press riveting nut body and an inverted cone boss arranged at the upper end of the positioning gear ring and in an inverted cone shape.

Preferably, the sealing ring is circular, and the diameter of the inner ring of the sealing ring is smaller than that of the threaded hole.

Preferably, the height of the nut sliding cavity is greater than that of the inner nut.

The utility model relates to a beneficial effect of riveting nut is pressed to light aluminum alloy for car: the utility model discloses a to press this internal detachable interior nut that sets up of rivet nut to set up the screw hole in interior nut, damage when the screw hole, smooth tooth back, can directly change interior nut, need not to change whole pressure rivet nut, it is more convenient to use, practices thrift the cost, the maintenance of being convenient for, through setting up the sealing washer with interior nut top, interior nut can oppress the sealing washer after screwing up and improve sealing performance, and the sealing washer can be to the extrusion of central side deformation, makes it hold the screw rod tightly, connects more firmly.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view structure schematic diagram of the light aluminum alloy press-riveting nut for the automobile.

Fig. 2 is a front view sectional structure schematic diagram of the light aluminum alloy press-riveting nut for the automobile.

Fig. 3 is a schematic view of the lower view structure of the light aluminum alloy rivet pressing nut for automobile.

[ detailed description ] A

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

The first embodiment is as follows:

referring to fig. 1, fig. 2 and fig. 3, the utility model relates to a light aluminum alloy rivet pressing nut for car, including rivet pressing nut body 1 with locate rivet pressing joint 2 of rivet pressing nut body 1 one end still includes interior nut 3, rivet pressing nut body 1 in the axial be equipped with the smooth chamber 4 of nut of interior nut 3 adaptation, just the smooth chamber 4 of nut runs through keep away from on the rivet pressing nut body 1 rivet pressing joint 2's one end sets up, interior nut 3 slidable locates in the smooth chamber 4 of nut, be equipped with in interior nut 3 with the smooth chamber 4 syntropy screw hole 31 that sets up of nut, rivet pressing nut body 1 is last to be close to rivet pressing joint 2's one end be equipped with the screw hole 11 that screw hole 31 corresponds, screw hole 11 with smooth chamber 4 intercommunication of nut, smooth chamber 4 of nut with be equipped with sealing washer chamber 12 between the screw hole 11, be equipped with sealing washer 5 in the sealing washer chamber 12, the sealing washer 5 downside extends to smooth chamber 4 top of nut. Through will pressing interior nut 3 that sets up detachable in the rivet nut body 1 in this embodiment, and set up screw hole 31 in interior nut 3, damage when screw hole 31, smooth tooth back, interior nut 3 can directly be changed, need not to change whole rivet nut, it is more convenient to use, save the cost, be convenient for maintain, through setting up sealing washer 5 with interior nut 3 top, interior nut 3 can oppress sealing washer 5 after screwing up and improve sealing performance, and sealing washer 5 can be to the extrusion of central side deformation, make it hold the screw rod tightly, it is more firm to connect.

Referring to fig. 1, 2 and 3, the inner wall of the nut sliding cavity 4 is provided with a plurality of positioning protruding strips 41 arranged along the axial direction thereof, and the outer wall of the inner nut 3 is provided with a plurality of sliding grooves 32 in sliding fit with the positioning protruding strips 41. The inner nut 3 is prevented from rotating.

Referring to fig. 1, 2 and 3, an elastic locking pin 411 is disposed at an end of the positioning protruding strip 41 away from the rivet head 2, and a locking slot 321 engaged with the elastic locking pin 411 is disposed at an end of the sliding slot 32 away from the rivet head 2. So as to confine the inner nut 3 within the nut slide cavity 4.

Referring to fig. 1, 2 and 3, the rivet joint 2 includes a positioning gear ring 6 disposed at an end of the clinch nut body 1 and an inverted cone boss 7 disposed at an upper end of the positioning gear ring 6 and having an inverted cone shape.

Referring to fig. 1, 2 and 3, the sealing ring 5 is circular, and the diameter of the inner ring of the sealing ring 5 is smaller than that of the threaded hole 31.

Referring to fig. 1, 2 and 3, the height of the nut sliding chamber 4 is greater than the height of the inner nut 3.

The utility model discloses the working process:

the utility model relates to a light aluminum alloy pressure rivet nut for car is in the course of the work, fix this nut on the part through the riveting head 2, damage when screw hole 31, smooth tooth back, can directly change interior nut 3, need not to change whole pressure rivet nut, the nut is screwed up the in-process, can drive interior nut 3 and slide to riveting head 2 end, interior nut 3 can oppress sealing washer 5 and improve sealing performance after screwing up, sealing washer 5 can be to the extrusion of central side deformation, make it hold the screw rod tightly, it is more firm to connect.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.

Claims (6)

1. The utility model provides a light aluminum alloy pressure rivet nut for car, includes pressure rivet nut body (1) and locates rivet joint (2) of pressure rivet nut body (1) one end, its characterized in that: the riveting nut comprises a riveting nut body (1) and is characterized by further comprising an inner nut (3), wherein a nut sliding cavity (4) matched with the inner nut (3) is axially arranged in the riveting nut body (1), the nut sliding cavity (4) penetrates through the riveting nut body (1) and is far away from one end of a riveting head (2), the inner nut (3) is slidably arranged in the nut sliding cavity (4), a threaded hole (31) which is arranged in the same direction as the nut sliding cavity (4) is formed in the inner nut (3), one end, close to the riveting head (2), of the riveting nut body (1) is provided with a screw hole (11) corresponding to the threaded hole (31), the screw hole (11) is communicated with the nut sliding cavity (4), a sealing ring cavity (12) is formed between the nut sliding cavity (4) and the screw hole (11), a sealing ring (5) is arranged in the sealing ring cavity (12), and the lower side of the sealing ring (5) extends to the top of the nut sliding cavity (4).

2. The light aluminum alloy clinch nut for an automobile as claimed in claim 1, wherein: the nut sliding cavity (4) is provided with a plurality of positioning convex strips (41) arranged along the axial direction of the nut sliding cavity, and the outer wall of the inner nut (3) is provided with a plurality of sliding grooves (32) in sliding fit with the positioning convex strips (41).

3. The light aluminum alloy clinch nut for an automobile as claimed in claim 2, wherein: keep away from on location sand grip (41) the one end of riveting head (2) is equipped with elasticity card foot (411), keep away from on spout (32) the one end of riveting head (2) be equipped with elasticity card foot (411) joint complex draw-in groove (321).

4. The light aluminum alloy clinch nut for an automobile as claimed in claim 1, wherein: the riveting head (2) comprises a positioning gear ring (6) arranged at the end part of the pressure riveting nut body (1) and a reverse taper boss (7) arranged at the upper end of the positioning gear ring (6) and in a reverse taper shape.

5. The light aluminum alloy clinch nut for the automobile according to claim 1, wherein: the sealing ring (5) is in a ring shape, and the diameter of the inner ring of the sealing ring (5) is smaller than that of the threaded hole (31).

6. The light aluminum alloy clinch nut for an automobile as claimed in claim 1, wherein: the height of the nut sliding cavity (4) is greater than that of the inner nut (3).

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