Waterproof special rivet nut for new energy automobile

Abstract

The waterproof special rivet nut for the new energy automobile comprises a head portion, a deformation portion and a thread portion which are sequentially connected from top to bottom, and a through hole is vertically formed in the center of the head portion, the center of the deformation portion and the center of the thread portion in a penetrating mode. The inner wall of the through hole is provided with an internal thread corresponding to the thread part; a sealing film is arranged on the inner wall of the through hole corresponding to the deformation part and horizontally surrounds the inner wall of the through hole by a circle, only the upper side edge and the lower side edge of the sealing film are fixedly connected with the inner wall of the through hole, and the sealing film is arched towards the inner side direction; a circle of sealing rubber strip arranged around the center of the head is fixedly arranged at the lower end of the head, and the sealing rubber strip deforms inwards, so that the sealing rubber strip is pressed on the surface of a screw matched with the rivet nut, the through hole is sealed, water seepage through the through hole is prevented, and the waterproof performance of the rivet nut is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rivet nut technical field, concretely relates to a waterproof special rivet nut for new energy automobile. BACKGROUND

[0002] The rivet nut is also called a pull cap, an instant pull cap, and is used in the fastening field of various metal plate, pipe and other manufacturing industries. When used for fastening new energy vehicles, especially for installing battery packs of new energy vehicles, the rivet nut needs to have waterproof performance.

[0003] In the prior art, the utility model discloses a rivet nut with good waterproof effect, which comprises a head, a deformation part and a threaded part with an internal thread in sequence, the outer diameter of the deformation part is smaller than the outer diameter of the threaded part, a soft sealing ring is arranged on the deformation part, and the outer diameter of the soft sealing ring is equal to the outer diameter of the threaded part. When the rivet nut is installed, the soft sealing ring can be deformed to seal the surrounding environment, thereby improving the sealing effect and preventing water seepage and leakage, and the waterproof performance of the equipment is improved.

[0004] However, in the above-mentioned patent, only the waterproof sealing ring arranged on the outer side of the rivet nut is used for sealing and waterproofing, but the rivet nut has a through hole penetrating through the rivet nut, and a screw rod is inserted into the through hole, so that a gap is formed between the screw rod and the inner wall of the through hole, and water can also seep through the through hole. UTILITY MODEL CONTENTS

[0005] In order to solve the above-mentioned problems in the prior art, the utility model provides a waterproof special rivet nut for new energy automobile.

[0006] In order to achieve the above-mentioned technical effects, the utility model adopts the following scheme:

[0007] A waterproof special rivet nut for new energy automobile, comprising a head, a deformation part and a threaded part connected in sequence from top to bottom, a through hole vertically penetrating through the center of the head, the deformation part and the threaded part;

[0008] An internal thread is formed on the inner wall of the through hole corresponding to the threaded part;

[0009] A sealing rubber sheet is arranged on the inner wall of the through hole corresponding to the deformation part, the sealing rubber sheet is arranged around the inner wall of the through hole in a horizontal direction, only the upper side and the lower side of the sealing rubber sheet are fixedly connected to the inner wall of the through hole, and the sealing rubber sheet is arranged in an arch shape towards the inner side;

[0010] A sealing rubber strip is arranged around the center of the lower end of the head.

[0011] Preferably, the inner wall of the through hole is concave in a direction corresponding to the deformation direction of the deformation portion, and an outer concave surface is arranged on the inner wall of the through hole.

[0012] Preferably, the outer wall of the deformation portion is provided with a plurality of anti-skid protrusions, the anti-skid protrusions are vertically arranged, and the plurality of anti-skid protrusions are uniformly distributed around the deformation portion.

[0013] Preferably, the lower end of the head portion is provided with a clamping groove around the center thereof, the clamping groove has an inverted trapezoidal cross section, and the upper end of the sealing rubber strip is provided with a clamping portion matched with the clamping groove and clamped in the clamping groove.

[0014] Preferably, the surface of the rivet nut is provided with an anodization layer.

[0015] Compared with the prior art, the beneficial effects are:

[0016] The utility model discloses simple structure, convenient to use, when installing, head portion is pressed in the surface of object, and the sealing rubber strip is pressed tightly, thereby the outside of rivet nut can have waterproof performance, and water will not seep through the gap between the outer wall of rivet nut and the mounting hole, in addition, when the deformation portion generates deformation, will drive sealing rubber sheet to generate deformation simultaneously, and sealing rubber sheet generates deformation inwards, thereby sealing rubber sheet is pressed tightly in the surface of screw rod matched with rivet nut, thereby seals the through hole, prevents the seepage through the through hole, and greatly improves the waterproof performance of rivet nut. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the cross section schematic view of the utility model.

[0018] Mark: 1, head portion, 2, deformation portion, 3, threaded portion, 4, through hole, 5, internal thread, 6, sealing rubber sheet, 7, outer concave surface, 8, anti-skid protrusion, 9, sealing rubber strip, 10, clamping groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] A kind of waterproof special rivet nut for new energy automobile, including head portion 1, deformation portion 2 and threaded portion 3 sequentially connected from top to bottom, the center of head portion 1, deformation portion 2 and threaded portion 3 is vertically provided with a through hole 4.

[0021] The inner wall of the through hole 4 is provided with an internal thread 5 corresponding to the threaded portion 3.

[0022] The foregoing is prior art.

[0023] The inner wall of the through hole 4 is provided with a sealing rubber sheet 6 corresponding to the deformation part 2, the sealing rubber sheet 6 is arranged around the inner wall of the through hole 4 horizontally, the sealing rubber sheet 6 is connected in a ring shape at the end of the horizontal, the sealing rubber sheet 6 is only fixedly connected with the upper side and the lower side of the inner wall of the through hole 4, the center of the sealing rubber sheet 6 is not fixedly connected with the inner wall of the through hole 4, and the sealing rubber sheet 6 is arranged in an arch shape towards the inner side, so that the sealing rubber sheet 6 can be deformed towards the inner side.

[0024] The lower end of the head part 1 is fixedly provided with a sealing rubber strip 9 arranged around the center.

[0025] During installation, the head part 1 is pressed on the surface of the object, and the sealing rubber strip 9 is pressed tightly, so that the outer side of the rivet nut has waterproof performance and cannot seep through the gap between the outer wall of the rivet nut and the mounting hole; in addition, when the deformation part 2 is deformed, the sealing rubber sheet 6 is deformed at the same time, the sealing rubber sheet 6 is deformed inward, so that the sealing rubber sheet 6 is pressed tightly on the surface of the screw rod matched with the rivet nut, thereby sealing the through hole 4 and preventing water from seeping through the through hole 4, and the waterproof performance of the rivet nut is greatly improved.

[0026] Preferably, the inner wall of the through hole 4 is provided with an outer concave surface 7 corresponding to the direction of the outer side of the deformation part 2, and the outer concave surface 7 is arranged around the inner wall of the through hole 4.

[0027] The outer concave surface 7 is arranged, so that the deformation part 2 can be deformed towards the outer side.

[0028] Preferably, the outer wall of the deformation part 2 is provided with a plurality of anti-skid protrusions 8, the anti-skid protrusions 8 are vertically arranged, and the plurality of anti-skid protrusions 8 are uniformly distributed around the deformation part 2.

[0029] After the rivet nut is locked in the mounting hole, the anti-skid protrusions 8 abut against the inner side of the mounting hole, so that the friction between the rivet nut and the edge of the mounting hole is increased, and the rotation of the rivet nut in the mounting hole is reduced.

[0030] Preferably, the lower end of the head part 1 is provided with a clamping groove 10 around the center, the cross section of the clamping groove 10 is in an inverted trapezoidal shape, and the upper end of the sealing rubber strip 9 is provided with a clamping part matched with the clamping groove 10 and clamped in the clamping groove 10.

[0031] The sealing rubber strip 9 is fixed at the lower end of the head part 1 through the clamping groove 10, so that the sealing rubber strip 9 is not missed due to falling off before installation.

[0032] Preferably, the surface of the rivet nut is provided with an anodized layer.

[0033] Improve the anti-rust performance of the rivet nut surface through an anodic oxidation layer.

[0034] In the description of the utility model, it is understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0035] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0036] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A waterproof special rivet nut for new energy vehicles, characterized in that, It comprises a head (1), a deformation part (2) and a thread part (3) connected in sequence from top to bottom, a through hole (4) vertically penetrating the center of the head (1), the deformation part (2) and the thread part (3) is arranged; An inner thread (5) is arranged on the inner wall of the through hole (4) corresponding to the thread part (3); A sealing rubber sheet (6) is arranged on the inner wall of the through hole (4) corresponding to the deformation part (2), the sealing rubber sheet (6) is arranged around the inner wall of the through hole (4) in a horizontal direction, only the upper side and the lower side of the sealing rubber sheet (6) are fixedly connected to the inner wall of the through hole (4), and the sealing rubber sheet (6) is arranged in an arch shape towards the inner side direction; A sealing rubber strip (9) is arranged around the center of the lower end of the head (1).

2. The waterproof special rivet nut for new energy vehicles according to claim 1, characterized in that, An outer concave surface (7) is arranged on the inner wall of the through hole (4) corresponding to the deformation part (2) in the direction towards the outer side, and the outer concave surface (7) is arranged around the inner wall of the through hole (4) in a circle.

3. The waterproof special rivet nut for new energy vehicles according to claim 1, characterized in that, A plurality of anti-skid protrusions (8) are arranged on the outer wall of the deformation part (2), the anti-skid protrusions (8) are arranged vertically, and the plurality of anti-skid protrusions (8) are uniformly distributed around the deformation part (2) in a circle.

4. The waterproof special rivet nut for new energy vehicles according to claim 1, characterized in that, A clamping groove (10) is arranged around the center of the lower end of the head (1), the cross section of the clamping groove (10) is in an inverted trapezoidal shape, and the upper end of the sealing rubber strip (9) is provided with a clamping part matched with the clamping groove (10) and clamped into the clamping groove (10).

5. The waterproof special rivet nut for new energy vehicles according to claim 1, characterized in that, The surface of the rivet nut is provided with an anodized layer.

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