Fastener with sealing mechanism

Abstract

The utility model belongs to the technical field of fasteners, and particularly relates to a fastener with a sealing mechanism, which comprises a locking shell and an upper screw hole arranged at the top of the locking shell, and a threaded groove is arranged on the inner wall of the locking shell. The inner wall, close to the threaded groove, of the locking shell is connected with a positioning ring, the top end of the inner wall of the locking shell is connected with a spring, the bottom end of the spring is connected with a sealing plate, the surface of the sealing plate is connected with a guide cylinder, the surface of the guide cylinder is connected with a guide rod in a penetrating mode, and the bottom face of the positioning ring is connected with a sealing ring. The threaded groove in the bottom end of the locking shell is connected with the bolt or the stud, the bolt or the stud is of a hollow structure, at the moment, the connecting end of the bolt or the stud is close to the sealing plate, and at the moment, the sealing plate is extruded by the bolt or the stud, so that the sealing plate is in contact with the sealing ring to be sealed after moving upwards; the locking shell can adjust the sealing condition according to requirements, and the practicability of the locking piece is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fasteners, and in particular relates to a fastener with a sealing mechanism. Background Art

[0002] Fasteners are a general term for a type of mechanical parts used to fasten two or more parts (or components) into a whole. It usually includes the following 12 types of parts: bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, retaining rings, pins, rivets, assemblies and joints, welding nails;

[0003] Among them, the "anti-disassembly fastener" disclosed in the publication number "CN211778355U" is also an increasingly mature technology, which aims to overcome the shortcomings of the existing technology and provide an anti-disassembly fastener. Compared with the existing technology, the utility model has a simple structure, low cost, easy processing, and good anti-disassembly effect.

[0004] Fasteners are widely used. When fasteners are used to connect items such as sprinkler water pipes, in this specific environment, the fasteners cannot control the water flow, and thus cannot control the sealing of the water flow inside the water pipe, which in turn affects the connection and use of the sprinkler water pipe and reduces practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a fastener with a sealing mechanism, aiming to solve the problem in the prior art that when the above-mentioned fastener is used to connect items such as sprinkler water pipes, the fastener cannot control the water flow in such a specific environment, and thus cannot control the sealing of the water flow inside the water pipe, thereby affecting the connection and use of the sprinkler water pipe and reducing the practicality.

[0006] To achieve the above object, the utility model provides the following technical solutions: a fastener with a sealing mechanism, comprising a locking shell and an upper screw hole opened on the top of the locking shell, wherein the inner wall of the locking shell is provided with a threaded groove;

[0007] A positioning ring is connected to the inner wall of the locking shell near the thread groove, a spring is connected to the top of the inner wall of the locking shell, a sealing plate is connected to the bottom end of the spring, a guide cylinder is connected to the surface of the sealing plate, a guide rod is connected to the surface of the guide cylinder, and a sealing ring is connected to the bottom surface of the positioning ring.

[0008] As a preferred fastener with a sealing mechanism of the utility model, the inner wall of the positioning ring is provided with a screw groove which is the same as the upper screw hole.

[0009] As a preferred fastener with a sealing mechanism of the utility model, the spring and the sealing plate form an elastic telescopic structure, and the surface size of the sealing plate is larger than the opening size of the positioning ring.

[0010] As a preferred fastener with a sealing mechanism of the utility model, the top end surface of the sealing plate is in contact with a sealing ring, and the sealing ring is made of silicone.

[0011] As a preferred fastener with a sealing mechanism of the utility model, the top end of the guide rod is connected to the top end of the inner wall of the locking shell, and the guide rod and the guide cylinder form a sliding structure.

[0012] As a preferred fastener with a sealing mechanism of the utility model, the top of the sealing ring is connected to a mounting strip, the cross section of the mounting strip is T-shaped, and the bottom surface of the positioning ring is provided with a mounting groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model connects the threaded groove at the bottom end of the locking shell with a bolt or a stud, wherein the bolt or the stud is a hollow structure. At this time, the connecting end of the bolt or the stud is close to the sealing plate. At this time, the sealing plate is squeezed by the bolt or the stud, so that the sealing plate moves upward and contacts with the sealing ring for sealing, so that the locking shell can adjust the sealing state according to requirements, thereby improving the practicality of the locking piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the top view structure of the fastener of the utility model;

[0017] Figure 2 This is a bottom view of the fastener structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the locking shell of the utility model;

[0019] Figure 4 This is a schematic diagram of the sealing plate structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the sealing ring connection structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the exploded structure of the sealing ring of the utility model;

[0022] Figure 7 It is a schematic diagram of the main cross-sectional structure of the installation strip of the utility model.

[0023] In the figure: 1. locking shell; 2. upper screw hole; 3. threaded groove; 4. positioning ring; 5. spring; 6. sealing plate; 7. guide cylinder; 8. guide rod; 9. sealing ring; 10. mounting strip; 11. mounting groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6 , the utility model provides the following technical solutions: a fastener with a sealing mechanism, comprising a locking shell 1 and an upper screw hole 2 opened on the top of the locking shell 1, and a threaded groove 3 is opened on the inner wall of the locking shell 1;

[0026] A positioning ring 4 is connected to the inner wall of the locking shell 1 near the threaded groove 3, a spring 5 is connected to the top of the inner wall of the locking shell 1, a sealing plate 6 is connected to the bottom end of the spring 5, a guide cylinder 7 is connected to the surface of the sealing plate 6, a guide rod 8 is connected through the surface of the guide cylinder 7, and a sealing ring 9 is connected to the bottom surface of the positioning ring 4.

[0027] Preferably, the inner wall of the positioning ring 4 is provided with a screw groove which is the same as the upper screw hole 2 .

[0028] During specific use, the screw hole 2 is used to facilitate the connection of external devices.

[0029] Preferably, the spring 5 and the sealing plate 6 form an elastic telescopic structure, and the surface size of the sealing plate 6 is larger than the opening size of the positioning ring 4 .

[0030] During specific use, the sealing plate 6 can be used to conveniently control the sealing state of the fastener at any time.

[0031] Preferably, the top surface of the sealing plate 6 is in contact with the sealing ring 9, and the sealing ring 9 is made of silicone.

[0032] During specific use, the sealing plate 6 is brought into contact with the sealing ring 9 to facilitate sealing of the fastener.

[0033] Preferably, the top end of the guide rod 8 is connected to the top end of the inner wall of the locking shell 1 , and the guide rod 8 and the guide cylinder 7 form a sliding structure.

[0034] During specific use, by sliding the guide rod 8 along the guide cylinder 7 , the sealing plate 6 can be kept stable during the lifting process.

[0035] Preferably, a mounting strip 10 is connected to the top of the sealing ring 9 , the cross section of the mounting strip 10 is T-shaped, and a mounting groove 11 is formed on the bottom surface of the positioning ring 4 .

[0036] During specific use, the sealing ring 9 can be stably installed by installing the installation strip 10 in the installation groove 11 on the inner wall of the locking shell 1 .

[0037] The working principle of the utility model when used specifically is as follows: first, the threaded groove 3 at the bottom end of the locking shell 1 is connected to a bolt or a stud, wherein the bolt or the stud is a hollow structure. At this time, the connecting end of the bolt or the stud is close to the sealing plate 6. At this time, the sealing plate 6 is subjected to the squeezing force of the bolt or the stud, so that the spring 5 is compressed. At the same time, the guide cylinder 7 on the surface of the sealing plate 6 slides along the guide rod 8 on the inner wall of the locking shell 1, so that the sealing plate 6 moves upward and contacts with the sealing ring 9 for sealing, so that the locking shell 1 can adjust the sealing state as required, and at the same time, the practicability of the locking member is improved; in addition, the interlocking structure between the mounting strip 10 on the surface of the sealing ring 9 and the mounting groove 11 inside the locking shell 1 facilitates the quick disassembly and assembly of the sealing ring 9.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fastener with a sealing mechanism, comprising a locking shell (1) and an upper screw hole (2) provided on the top of the locking shell (1), characterized in that: The inner wall of the locking shell (1) is provided with a threaded groove (3); The inner wall of the locking shell (1) close to the thread groove (3) is connected to a positioning ring (4), the top end of the inner wall of the locking shell (1) is connected to a spring (5), the bottom end of the spring (5) is connected to a sealing plate (6), the surface of the sealing plate (6) is connected to a guide cylinder (7), the surface of the guide cylinder (7) is connected to a guide rod (8), and the bottom surface of the positioning ring (4) is connected to a sealing ring (9).

2. A fastener with a sealing mechanism according to claim 1, characterized in that: The inner wall of the positioning ring (4) is provided with a screw groove which is the same as the upper screw hole (2).

3. A fastener with a sealing mechanism according to claim 1, characterized in that: The spring (5) and the sealing plate (6) form an elastic telescopic structure, and the surface size of the sealing plate (6) is larger than the opening size of the positioning ring (4).

4. A fastener with a sealing mechanism according to claim 1, characterized in that: The top surface of the sealing plate (6) is in contact with a sealing ring (9), and the sealing ring (9) is made of silicone.

5. The fastener with a sealing mechanism according to claim 1, characterized in that: The top end of the guide rod (8) is connected to the top end of the inner wall of the locking shell (1), and the guide rod (8) and the guide cylinder (7) form a sliding structure.

6. A fastener with a sealing mechanism according to claim 1, characterized in that: The top of the sealing ring (9) is connected to a mounting strip (10), the cross section of the mounting strip (10) is T-shaped, and the bottom surface of the positioning ring (4) is provided with a mounting groove (11).

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