Waterproof single drum type rivet

Abstract

The utility model provides a waterproof single drum type rivet which comprises a shell, a limiting ring and a rod body, a through hole is formed in the shell in a penetrating mode, the rod body comprises a connecting end, a fracture and a head portion, a sealing gasket is fixedly connected to the top of the limiting ring, and the head portion of the rod body is provided with an inclined end face inclined towards the through hole. The shell is provided with an arc-shaped guide end face matched with the inclined end face relative to the inclined end face, the shell is fixedly connected with a rubber ring abutting against the head, and the outer wall of the shell is sleeved with and fixedly connected with a plurality of rubber rings in the length direction of the shell. According to the waterproof single-drum type rivet, the waterproof effect and waterproof performance of the rivet and a connecting piece can be enhanced, the riveting process can be smoothly carried out, and the sealing effect can be enhanced to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to rivet field, more specifically, relate to a waterproof single drum type rivet. BACKGROUND

[0002] In modern manufacturing industry, rivet as a commonly used connecting fastening element, is widely used in various fields, from automobile, ship, aerospace transportation industry, to building, electronic equipment, machinery manufacturing field, can't do without the figure of rivet, rivet usually adopts metal material, such as stainless steel, aluminum alloy, etc., the existing waterproof rivet when using, need to punch two parts to be connected, then put rivet into the hole, use rivet gun to pull the core, make the core to the shell exert pressure, the shell deforms, connects two parts, when riveting, the edge of the part is prone to burr, makes the shell not closely adhere to the surface of the part, leading to poor sealing and waterproof performance.

[0003] In view of the above problems, in relation to the technical problem that the edge of the part is prone to burr when using the existing waterproof rivet, makes the shell not closely adhere to the surface of the part, leading to poor sealing and waterproof performance, after a large number of searches, the patent announcement No.

[0004] However, the above waterproof single drum type rivet still has some problems. For example: the convex part of the shell will be inserted into the inside of the part B after the device is installed, which will cause damage to the part B, and the external water stains may penetrate into the inside of the part B along the convex position, affecting the later use. In view of the above problems, the utility model provides a waterproof single drum type rivet. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the technical problems in the above background art, and provides a waterproof single drum type rivet.

[0006] To achieve the above object, the utility model provides the following technical scheme: a waterproof single drum type rivet, comprising, shell, limit ring and rod body, the shell is provided with through hole, the rod body includes connecting end, fracture and head, the limit ring top fixedly connected with sealing gasket, the head of the rod body has the inclined end face inclined to the through hole, the shell is opposite the inclined end face and is provided with the arc-shaped guide end face matched with it, the shell is fixedly connected with the rubber ring resisted by the head, the shell outer wall is along its length direction and is fixedly connected with a plurality of rubber rings.

[0007] Further preferred: the shell outer wall is sleeved and integrally formed with a convex ring protruding outward.

[0008] Further preferred: the shell inner wall in the through hole is provided with a ring-shaped groove opposite the convex ring.

[0009] Further preferred: the shell inner wall in the through hole is fixedly connected with an abutting ring abutting against the rod body, and the abutting ring is configured to be fitted with the rod body when the head deforms by extruding the shell.

[0010] Further preferred: the abutting ring has an arc-shaped end surface inclined from top to bottom.

[0011] Further preferred: the abutting ring is hollow inside.

[0012] Further preferred: the rubber ring has an inclined surface fitted with the inclined end surface.

[0013] Beneficial effects:

[0014] 1. By providing the rubber ring, the rubber ring, and the sealing gasket, water penetration is prevented from multiple angles by the cooperation of the rubber ring and the inclined end surface of the head, the sealing gasket, and the setting of the rubber ring. The inclined end surface and the matching arc-shaped guide end surface not only facilitate the smooth progress of the riveting process, but also enhance the sealing effect to a certain extent.

[0015] 2. By providing the convex ring and the groove, the head of the rod body is deformed by extruding the shell, so that the bulging part of the shell extends along the groove and the convex direction, increases the fitting area of the shell and the connecting piece, and significantly improves the connection stability between the rivet and the connected piece, prevents the rivet from rotating or moving axially during use, further enhances the waterproof performance, and effectively blocks water from penetrating from the connection part of the rivet and the connected piece.

[0016] 3. By providing the abutting ring, the abutting ring limits the further movement of the rod body, and at the same time, due to its close fit with the rod body, it fills the gap that may exist between the rod body and the inner wall of the shell, preventing water from penetrating from this gap. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the utility model Figure 1 Another perspective view of the structure.

[0019] Figure 3The front view of the utility model.

[0020] Figure 4 The structure schematic view of the rod body of the utility model.

[0021] Figure 5 The structure schematic view of the inside of the shell of the utility model.

[0022] Figure 6 The utility model Figure 5 The enlarged structure schematic view of A in the middle.

[0023] Figures 1-6 1, shell, 2, rod body, 21, connecting end, 22, fracture, 23, head, 3, rubber ring, 4, limiting ring, 5, convex ring, 6, sealing pad, 7, through hole, 8, abutting ring, 9, rubber ring, 10, inclined end face, 11, recess, 12, guide end face. Specific implementation

[0024] The utility model will be described clearly and completely below in conjunction with the drawings of the utility model embodiments. Figures 1-6 The technical scheme in the utility model embodiments is clearly and completely described.

[0025] Please refer to Figures 1-6 The utility model discloses a waterproof single drum rivet, including shell 1, limiting ring 4 and rod body 2, shell 1 is equipped with the through -hole 7, and rod body 2 includes connecting end 21, fracture 22 and head 23, limiting ring 4 top fixedly connected with sealing pad 6, and the head 23 of rod body 2 has the inclined end face 10 inclined to the through -hole 7, and shell 1 is equipped with the arc guide end face 12 matched with the inclined end face 10, and shell 1 is fixedly connected with the rubber ring 9 abutting with head 23, and shell 1 outer wall is along its length direction and is fixedly connected with a plurality of rubber rings 3.

[0026] Specifically, when the riveting operation is performed, the shell 1 and the rod body 2 are installed in the cavity of the to-be-connected part, and then the connecting end 21 of the rod body 2 is connected with the rivet gun, so that the head 23 of the rod body 2 smoothly enters the through hole 7 of the shell 1 through the guidance of the arc-shaped guide end face 12, and with further riveting action, the head 23 extrudes the shell 1, so that the shell 1 is deformed, at this time, the rubber ring 9 is tightly attached to the inclined end face 10 of the head 23, and plays a sealing role, at the same time, the connecting end 21 of the rod body 2 penetrates through the through hole 7, and the break 22 is processed (such as being broken, etc. conventional riveting operation) during the riveting process, and the sealing gasket 6 at the top of the limiting ring 4 is tightly attached to the surface of the connected material after the riveting is completed, so as to prevent water from entering from the contact part of the rivet and the connected material, in addition, the plurality of rubber rings 3 on the outer wall of the shell 1 are tightly attached to the hole wall after the rivet is installed into the hole of the connected part, and the waterproof effect is further enhanced, the cooperation of the rubber ring 9 and the inclined end face 10 of the head 23, the setting of the sealing gasket 6 and the rubber ring 3 prevent water from penetrating from multiple angles, and the inclined inclined end face 10 and the matched arc-shaped guide end face 12 not only help the smooth progress of the riveting process, but also enhance the sealing effect to a certain extent.

[0027] It should be noted that in the embodiment, the structure and installation position of the rod body 2, the shell 1 and the limiting ring 4 can refer to the disclosure document with the patent publication number CN221942922U, the connecting end 21 of the rod body 2 is provided with a pattern matched with the rivet gun, which is prior art; secondly, the materials of the rubber ring 9, the sealing gasket 6 and the rubber ring 3 are usually selected from materials with good water resistance, corrosion resistance and elasticity, such as nitrile rubber, silicone rubber and the like. These materials can maintain sealing performance for a long time in different environments.

[0028] In the embodiment of the utility model, as shown in Figure 5 and Figure 6 , the shell 1 is integrally formed with a convex ring 5 protruding outward on the outer wall, and the inner wall of the shell 1 in the through hole 7 is provided with a ring-shaped groove 11 opposite to the convex ring 5, specifically, through the setting of the convex ring 5 and the groove 11, the head 23 of the rod body 2 is deformed by extruding the shell 1, so that the bulging part of the shell 1 extends along the groove 11 and the protruding direction, thereby increasing the attachment area of the shell 1 and the connecting part, thereby significantly improving the connection stability between the rivet and the connected part, preventing the rivet from rotating or moving axially during use, further enhancing the waterproof performance, and effectively preventing water from penetrating from the connection part of the rivet and the connected part.

[0029] In the embodiment of the utility model, as shown in Figure 5 and Figure 6As shown, the inner wall of the shell 1 in the through hole 7 is fixedly connected with a contact ring 8 which can be in contact with the rod body 2, the contact ring 8 is configured to be in contact with the rod body 2 when the head 23 extrudes the shell 1 to deform, the contact ring 8 has an arc-shaped end face which is inclined from top to bottom, and the inside of the contact ring 8 is a hollow structure, specifically, when the head 23 of the rod body 2 extrudes the shell 1 to deform, the rod body 2 gradually approaches the contact ring 8, and with the riveting, the rod body 2 finally contacts the contact ring 8, when the rod body 2 extrudes the contact ring 8, the hollow part of the contact ring 8 can be compressed and deformed to a certain extent, so as to better adapt to the deformation of the rod body 2, tightly contact the surface of the rod body 2, and the contact ring 8 plays a role in limiting the further movement of the rod body 2, and at the same time, since it is tightly contacted with the rod body 2, the gap between the rod body 2 and the inner wall of the shell 1 can be filled, so as to prevent moisture from penetrating from the gap.

[0030] In the embodiment of the utility model, as shown, Figure 6 As shown, the rubber ring 9 has an inclined surface which is in contact with the inclined end face 10, specifically, in the riveting process, with the extrusion of the head 23 to the shell 1, the pressure between the inclined surface of the rubber ring 9 and the inclined end face 10 of the head 23 gradually increases, so as to form a tight sealing contact, and this contact mode of the inclined surface can better adapt to the shape of the head 23, and ensure the reliability of the sealing.

[0031] Working principle:

[0032] When the riveting operation is performed, by installing the shell 1 and the rod body 2 in the hollow of the to-be-connected piece, and then connecting the connecting end 21 of the rod body 2 through the rivet gun, the head 23 of the rod body 2 is smoothly introduced into the through hole 7 of the shell 1 through the guidance of the arc-shaped guide end face 12, and with further riveting action, the head 23 extrudes the shell 1, so that the shell 1 is deformed, at this time, the rubber ring 9 is tightly attached to the inclined end face 10 of the head 23, and plays a sealing role, at the same time, the connecting end 21 of the rod body 2 passes through the through hole 7, when the head 23 of the rod body 2 extrudes the shell 1 to be deformed, the rod body 2 gradually approaches the abutting ring 8, and with the riveting, the rod body 2 is finally attached to the abutting ring 8, when the rod body 2 extrudes the abutting ring 8, the hollow part of the abutting ring 8 can be compressed and deformed to a certain extent, so as to better adapt to the deformation of the rod body 2, and tightly attach to the surface of the rod body 2, the abutting ring 8 plays a role of limiting the further movement of the rod body 2, at the same time, since it is tightly attached to the rod body 2, it fills the gap that may exist between the rod body 2 and the inner wall of the shell 1, preventing water from penetrating from the gap, secondly, the fracture 22 will be treated (such as being pulled off, etc. conventional riveting operation) during riveting, and the sealing gasket 6 at the top of the limiting ring 4 will be in close contact with the surface of the connected material after riveting is completed, preventing water from entering from the contact part of the rivet and the connected material, in addition, the plurality of rubber rings 3 on the outer wall of the shell 1 are tightly attached to the hole wall after the rivet is installed in the hole of the connected piece, further enhancing the waterproof effect, the multi-angle waterproof design greatly improves the waterproof performance of the rivet, the cooperation of the rubber ring 9 and the inclined end face 10 of the head 23, the sealing gasket 6 and the rubber ring 3 are set from multiple angles to prevent water from penetrating, the inclined inclined end face 10 and the matching arc-shaped guide end face 12 not only help the smooth progress of the riveting process, but also can enhance the sealing effect to a certain extent.

Claims

1. A waterproof single-drum rivet, comprising a shell (1), a limiting ring (4) and a rod body (2), the shell (1) being provided with a through hole (7), the rod body (2) comprising a connecting end (21), a fracture (22) and a head (23), characterized in that: the limiting ring (4) is fixedly connected with a sealing gasket (6) at the top, the head (23) of the rod body (2) has an inclined end face (10) inclined towards the through hole (7), the shell (1) is provided with an arc-shaped guide end face (12) matched with the inclined end face (10), the shell (1) is fixedly connected with a rubber ring (9) in contact with the head (23), and a plurality of rubber rings (3) are sleeved and fixedly connected along the length direction of the outer wall of the shell (1).

2. The waterproof single-drum rivet according to claim 1, characterized in that: The outer wall of the shell (1) is sleeved and integrally formed with a convex ring (5) protruding outward.

3. The waterproof single-drum rivet according to claim 2, characterized in that: The inner wall of the shell (1) in the through hole (7) is provided with a ring-shaped groove (11) opposite to the convex ring (5).

4. The waterproof single-drum rivet according to claim 2, characterized in that: The inner wall of the shell (1) in the through hole (7) is fixedly connected with a contact ring (8) in contact with the rod body (2), and the contact ring (8) is configured to be fitted with the rod body (2) when the head (23) deforms by extruding the shell (1).

5. A waterproof single-drum rivet according to claim 4, characterized in that: The contact ring (8) has an arc-shaped end face inclined from top to bottom.

6. A waterproof single-drum rivet according to claim 5, characterized in that: The contact ring (8) has a hollow structure.

7. The waterproof single-drum rivet as claimed in claim 1, wherein: The rubber ring (9) has an inclined surface fitted with the inclined end face (10).

Images