Waterproof rivet nut

Abstract

The waterproof rivet nut comprises a rivet seat, an extrusion block is arranged at the bottom end of the rivet seat, a contraction pipe is arranged above the extrusion block, a baffle ring is arranged at the top end of the rivet seat, a first waterproof pad is connected to the outer wall of the bottom of the baffle ring in an inserted mode, and a second waterproof pad is connected to the outer wall of the top of the baffle ring in an inserted mode. The inner wall of the pull rivet seat is in threaded connection with a screw rod, the outer wall of the screw rod is in threaded connection with the inner wall of the pull rivet seat in a matched mode, and the outer wall of the screw rod is in threaded connection with a waterproof cover. And a waterproof cover is arranged, and a skirt edge is arranged at the bottom of the waterproof cover and is matched with a sealing ring for use, so that the water blocking effect is conveniently improved, and the overall waterproof performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pull rivet nut technical field, specifically a waterproof pull rivet nut. BACKGROUND

[0002] In many engineering applications, pull rivet nuts play an important role as a commonly used fastener, however, in some humid, water or outdoor environment, the existing ordinary pull rivet nut is easy to be eroded by moisture, leading to rust and corrosion of the connecting part, reducing the reliability and durability of the connection, and affecting the stability of the overall structure. SUMMARY

[0003] The utility model discloses a waterproof pull rivet nut to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A waterproof pull rivet nut, including pull rivet seat, the bottom end of pull rivet seat is extrusion block, the upper of extrusion block is equipped with shrinkable tube, the top of pull rivet seat is provided with the baffle ring, the bottom outer wall of baffle ring is inserted and connected first waterproof pad, the top outer wall of baffle ring is inserted and connected second waterproof pad, the inner wall of pull rivet seat is connected with screw rod, the outer wall of screw rod is connected with the inner wall of pull rivet seat, the outer wall of screw rod is connected with waterproof cover.

[0006] In a preferred embodiment of the utility model, the pull rivet seat is inserted and connected with the inner wall screw hole of iron plate, the bottom outer wall of baffle ring is provided with groove, the inner wall of groove is evenly provided with first insertion hole.

[0007] In a preferred embodiment of the utility model, the top outer wall of first waterproof pad is inserted and connected with the inner wall of groove, the top outer wall of waterproof pad is evenly fixedly connected with first insertion rod, the first insertion rod is inserted and connected with the inner wall of first insertion hole.

[0008] In a preferred embodiment of the utility model, the bottom outer wall of second waterproof pad is evenly fixedly connected with second insertion rod, the outer wall of second waterproof pad is inserted and connected with the top of baffle ring, the second insertion rod is inserted and connected with second insertion hole, and the second waterproof pad is wrapped on the outer wall around baffle ring.

[0009] In a preferred embodiment of the utility model, the outer thread is formed in the top outer wall around screw rod, the special-shaped wrench hole is formed in the top of screw rod, and the inner wall of waterproof cover is screw-connected with the outer thread of the top of screw rod.

[0010] In a preferred embodiment of the utility model, the waterproof cover is provided with an inner hexagonal wrench hole at the top, a skirt is arranged around the bottom end of the waterproof cover, a clamping groove is arranged on the outer wall of the bottom of the waterproof cover, and a sealing ring is connected to the inner wall of the clamping groove through plug-in connection.

[0011] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model.

[0012] 1. By setting the first waterproof pad and the second waterproof pad, the first waterproof pad and the second waterproof pad can be conveniently sealed to the pull rivet seat.

[0013] 2. By setting the waterproof cover and the skirt and the sealing ring at the bottom of the waterproof cover, the waterproof effect is improved, and the overall waterproof performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0015] Figure 1 It is a front view structure schematic diagram of a waterproof pull rivet nut.

[0016] Figure 2 It is a bottom view structure schematic diagram of a waterproof pull rivet nut.

[0017] Figure 3 It is an exploded structure schematic diagram of a waterproof pull rivet nut.

[0018] Figure 4 It is a pull rivet seat structure schematic diagram of a waterproof pull rivet nut.

[0019] Figure 5 It is a nut structure schematic diagram of a waterproof pull rivet nut.

[0020] In the figure: iron plate 100, baffle ring 200, extrusion block 210, contraction pipe 220, recess 230, first jack 231, second waterproof pad 240, second plug rod 241, first waterproof pad 250, screw rod 300, outer thread 310, special-shaped wrench hole 320, waterproof cover 330, skirt 331, inner hexagonal wrench hole 332, clamping groove 333, sealing ring 340. DETAILED DESCRIPTION

[0021] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0022] Embodiment 1: as Figures 1-4 , including a pull rivet seat, the bottom end of the pull rivet seat is an extrusion block 210, the upper side of the extrusion block 210 is provided with a shrink tube 220, the top end of the pull rivet seat is provided with a blocking ring 200, the bottom outer wall of the blocking ring 200 is insertedly connected with a first waterproof pad 250, the top outer wall of the blocking ring 200 is insertedly connected with a second waterproof pad 240, the inner wall of the pull rivet seat is threadedly connected with a screw rod 300, the outer wall of the screw rod 300 is threadedly connected with the inner wall of the pull rivet seat 100, and the outer wall of the screw rod 300 is threadedly connected with a waterproof cover 330.

[0023] The specific use scene of this embodiment is that the extrusion block 210 is arranged to extrude the shrink tube 220, so that the shrink tube 220 is deformed, the pull rivet seat is tightly buckled on the iron plate 100, the first waterproof pad 250 and the second waterproof pad 240 are arranged to be used in cooperation, so that the first waterproof pad 250 and the second waterproof pad 240 can be conveniently sealed to the pull rivet seat, the waterproof cover 330 is arranged and the skirt 331 and the sealing ring 340 are arranged at the bottom of the waterproof cover 330 to be used in cooperation, so that the water blocking effect is conveniently improved, and the overall waterproof performance is improved.

[0024] Embodiment 2: as Figure 4 , the pull rivet seat is insertedly connected with the screw hole in the inner wall of the iron plate 100, the bottom outer wall of the blocking ring 200 is provided with a groove 230, the inner wall of the groove 230 is uniformly provided with a first insertion hole 231, the top outer wall of the first waterproof pad 250 is insertedly connected with the inner wall of the groove 230, the top outer wall of the waterproof pad 250 is uniformly fixedly connected with a first insertion rod, the first insertion rod is insertedly connected with the inner wall of the first insertion hole 231, the bottom outer wall of the second waterproof pad 240 is uniformly fixedly connected with a second insertion rod 241 around, the outer wall of the second waterproof pad 240 is insertedly connected with the top of the blocking ring 200, the second insertion rod 241 is insertedly connected with a second insertion hole, and the second waterproof pad 240 is wrapped on the outer wall around the blocking ring 200.

[0025] The specific use scene of the embodiment is that the pull rivet seat is inserted into the through hole on the surface of the iron plate 100, then the bolt for locking the pull rivet seat is installed on the chuck of the electric wrench, the bolt for locking the pull rivet seat is threadedly connected with the inner wall of the pull rivet seat, the bolt for locking the pull rivet seat is driven to rotate by the electric wrench, the contraction pipe 220 in the middle of the pull rivet seat is stressed to form under the action of rotation, is extruded on the bottom of the iron plate 100, the first waterproof pad 250 is attached between the iron plate 100 and the extrusion block 210 to play a waterproof role, and then the bolt for locking the pull rivet seat is taken out of the pull rivet seat.

[0026] Embodiment 3: as Figure 5 The outer wall around the top of the screw rod 300 is provided with external threads 310, the top of the screw rod 300 is provided with a special wrench hole 320, the inner wall of the waterproof cover 330 is threadedly connected with the external threads 310 on the top of the screw rod 300, the top of the waterproof cover 330 is provided with an internal hexagonal wrench hole 332, the bottom end of the waterproof cover 330 is provided with a skirt 331, and the outer wall of the bottom of the waterproof cover 330 is provided with a clamping groove 333.

[0027] The specific use scene of the embodiment is that the waterproof cover 330 is arranged to cover the screw rod 300 and the pull rivet seat, so that the waterproof cover 330 plays a waterproof role, the skirt 331 is a waterproof rubber pad, the clamping groove 333 is arranged to install the sealing ring 340, and the waterproof effect is enhanced.

[0028] The working principle of the utility model is: the technical personnel in the field drills a hole on the surface of the iron plate 100, so that the hole diameter is same with the outer diameter of the pull rivet seat, then the pull rivet seat is inserted into the through hole on the surface of the iron plate 100, then the bolt for locking the pull rivet seat is installed on the chuck of the electric wrench, the bolt for locking the pull rivet seat is threadedly connected with the inner wall of the pull rivet seat, the bolt for locking the pull rivet seat is driven to rotate by the electric wrench, the contraction pipe 220 in the middle of the pull rivet seat is stressed to form under the action of rotation, is extruded on the bottom of the iron plate 100, the first waterproof pad 250 is attached between the iron plate 100 and the extrusion block 210 to play a waterproof role, then the bolt for locking the pull rivet seat is taken out of the pull rivet seat, the second waterproof pad 240 is inserted and installed on the top of the blocking ring 200, then the screw rod 300 is threadedly connected with the inner wall of the pull rivet seat by the electric bolt, then the waterproof cover 330 is threadedly connected with the top of the screw rod 300 by the internal hexagonal wrench, so that the skirt 331 is attached on the top of the iron plate 100, so that the screw rod 300 and the pull rivet seat play a waterproof role.

[0029] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A waterproof rivet nut, comprising a rivet seat, wherein the bottom end of the rivet seat is an extrusion block (210), a shrink tube (220) is provided above the extrusion block (210), and a retaining ring (200) is provided at the top end of the rivet seat, characterized in that: The bottom outer wall of the retaining ring (200) is plugged into the first waterproof pad (250), the top outer wall of the retaining ring (200) is plugged into the second waterproof pad (240), the inner wall of the rivet seat is threadedly connected to the screw (300), the outer wall of the screw (300) is threadedly connected to the inner wall of the rivet seat, and the outer wall of the screw (300) is threadedly connected to the waterproof cover (330).

2. The waterproof rivet nut according to claim 1, characterized in that: The rivet seat is plug-connected with the screw hole on the inner wall of the iron plate (100); a groove (230) is provided on the outer wall of the bottom of the retaining ring (200); and first insertion holes (231) are evenly provided on the inner wall of the groove (230).

3. The waterproof rivet nut according to claim 2, characterized in that: The top outer wall of the first waterproof pad (250) is plug-connected with the inner wall of the groove (230), the top outer wall of the first waterproof pad (250) is evenly fixedly connected to the first plug rod, and the first plug rod is plug-connected with the inner wall of the first socket (231).

4. The waterproof rivet nut according to claim 3, characterized in that: The second plug rod (241) is evenly fixedly connected to the outer wall of the bottom of the second waterproof pad (240), the outer wall of the second waterproof pad (240) is plug-connected with the top of the retaining ring (200), the second plug rod (241) is plug-connected with the second socket, and the second waterproof pad (240) is wrapped around the outer wall of the retaining ring (200).

5. The waterproof rivet nut according to claim 1, characterized in that: External threads (310) are provided on the outer walls around the top of the screw rod (300), a special-shaped wrench hole (320) is provided on the top of the screw rod (300), and the inner wall of the waterproof cover (330) is threadedly connected with the external threads (310) on the top of the screw rod (300).

6. The waterproof rivet nut according to claim 5, characterized in that: The top of the waterproof cover (330) is provided with an inner hexagonal wrench hole (332), the bottom of the waterproof cover (330) is provided with a skirt (331) around it, the outer wall of the bottom of the waterproof cover (330) is provided with a slot (333), and the inner wall of the slot (333) cooperates with the plug-in connection sealing ring (340).

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