Hexagonal sealing nut with sealing performance
By designing a combined structure of outer seat, positioning and sealing in hexagon nuts, the problem of insufficient sealing of existing hexagon nuts when fixing liquid parts is solved, and the sealing between nuts and bolts and easy disassembly and assembly is achieved. sex.
Patent Information
- Application Number
- CN202421262879.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-06-04
AI Technical Summary
The existing hexagon nuts lack sealing performance when fixing liquid parts, resulting in safety hazards and cannot effectively prevent oil and water leakage.
A hexagonal sealing nut with sealing performance is designed, using a combined structure of outer seat, positioning and sealing, including sealing rubber pads, support rings and bottom pads, sealing effect is achieved through threaded sleeves and fastening rods, and through The T-shaped structure of the seat and bottom ring ensures the position of the seal and the convenience of disassembly and assembly.
The sealing between the nut and the part to be installed and the bolt is achieved, ensuring the sealing effect during use, and improving the convenience of disassembly and assembly of the seal.
Smart Images

Figure CN222296679U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hexagonal nuts, in particular to a hexagonal sealing nut with sealing performance. Background Art
[0002] Hexagonal nuts are also called hexagonal nuts. There are many types of nuts, including hexagonal nuts, round nuts, square nuts, etc. Some standards for nuts are relatively clear. Some specifications and size standards, material requirements, electroplating standards, etc. are relatively clear. Different types of nuts also have different standards. Here is a detailed introduction to nut specifications and standards.
[0003] Chinese patent publication number CN219840911U, publication time 20231017, discloses a corrosion-resistant nut, including a hexagonal nut, the outer wall of the hexagonal nut is sprayed with anti-rust paint, a protective gasket is arranged at the bottom of the hexagonal nut, and a plurality of convex strips are fixedly connected to the bottom of the protective gasket, and the protective gasket is used to protect the bottom of the hexagonal nut from friction, a clamping assembly is arranged between the hexagonal nut and the protective gasket, a sealing sleeve is arranged outside the clamping assembly, and the sealing sleeve is slidably sleeved on the outer wall of the hexagonal nut, and a positioning sleeve is fixedly sleeved on the bottom of the outer wall of the hexagonal nut, and the outer wall of the positioning sleeve is slidably clamped with the hexagonal frame.
[0004] The existing hexagonal nuts such as the above are used in conjunction with bolts to play a fixing role. They are used in automobile manufacturing, construction engineering, machinery manufacturing, and even decoration industries. However, the commonly used bolts and nuts in some places have certain defects because they have no sealing, oil leakage and water leakage prevention functions. If the commonly used nuts and bolts are fixed on parts filled with liquids, there will be great safety hazards. Therefore, it is urgent to propose corresponding hexagonal sealing nuts with sealing performance to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the above problems and provides a hexagonal sealing nut with sealing performance.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A hexagonal sealing nut with sealing performance comprises an outer seat, a positioning piece and a sealing piece, wherein the outer seat is fixedly matched with the positioning piece, and the sealing piece comprises a sealing rubber pad, a supporting ring and a bottom pad which are fixedly connected, and the sealing rubber pad, the supporting ring and the bottom pad are distributed from top to bottom, and a threaded sleeve is fixedly connected to the inner surface wall of the arc-shaped end of the outer seat, and the top of the outer seat and the threaded sleeve are both in contact with the bottom of the bottom pad.
[0008] Preferably, the positioning member includes a fixedly connected seat and a bottom ring, the bottom ring is engaged with the top of the outer seat through a coupling groove, the bottom of the seat abuts against the top of the horizontal end of the sealing rubber pad, and a fixing portion for fixedly connecting the bottom ring and the outer seat is provided between the bottom ring and the outer seat.
[0009] Preferably, the fixing portion includes a fastening rod, and the bottom ring and the outer seat are fixedly connected via the fastening rod.
[0010] Preferably, a rubber block is interference-fitted on the inner surface wall of the bottom ring, and the inner surface wall of the rubber block abuts against the outer surface wall of the fastening rod.
[0011] Preferably, the fastening rods and rubber blocks are provided in multiple groups, and the multiple groups of fastening rods and rubber blocks are distributed in a ring shape.
[0012] Preferably, the seat and the bottom ring are integrally formed, and the cross section of the positioning piece is a T-shaped structure.
[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0014] 1. In the present application, the sealing member is combined between the positioning member and the outer seat, the bottom of the seat is abutted against the top of the horizontal end of the sealing rubber pad, and the bottom pad is abutted against the bottom of the outer seat and the threaded seat. When the hexagonal nut is used, the nut is moved as a whole and the top of the sealing rubber pad is abutted against the outer wall of the part to be installed. After the bolt passes through the part to be installed and the sealing member in turn, the bolt is screwed together with the threaded sleeve, so that the installation is completed by the bolt and the nut as a whole. At this time, the sealing rubber is tightly fitted against the outer wall of the part to be installed, so as not to affect the normal use of the nut, while ensuring the sealing between the nut, the part to be installed and the bolt.
[0015] 2. In the present application, the positioning member is composed of an integrally formed mounting seat and bottom ring assembly. After the seal is placed on the top of the outer seat, the positioning member is overlapped on the top of the seal, and the bottom ring is combined with the outer seat through the coupling groove. The bottom ring and the outer seat are then fixed by the tightening rod. At this time, the mounting seat is pressed on the top of the horizontal end of the sealing rubber pad, thereby ensuring the stability of the position of the seal and improving the convenience of disassembly and assembly of the seal. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;
[0017] Figure 2 A schematic diagram of the structure of a threaded sleeve provided according to an embodiment of the utility model is shown;
[0018] Figure 3 A schematic diagram of the support ring structure provided according to an embodiment of the utility model is shown;
[0019] Figure 4 A schematic diagram of the structure of a fastening rod provided according to an embodiment of the utility model is shown.
[0020] Legend:
[0021] 1. Outer seat; 2. Sealing seat; 3. Sealing rubber pad; 4. Bottom ring; 5. Rubber block; 6. Combination groove; 7. Threaded sleeve; 8. Support ring; 9. Bottom pad; 10. Fastening rod. DETAILED DESCRIPTION
[0022] 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 of 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.
[0023] See also Figure 1-4 , the utility model provides a technical solution:
[0024] A hexagonal sealing nut with sealing performance, comprising an outer seat 1, a positioning member and a sealing member, wherein the outer seat 1 is fixedly matched with the positioning member, the sealing member comprises a sealing rubber pad 3, a supporting ring 8 and a bottom pad 9 which are fixedly connected, and the sealing rubber pad 3, the supporting ring 8 and the bottom pad 9 are distributed from top to bottom, a threaded sleeve 7 is fixedly connected to the inner surface wall of the arc-shaped end of the outer seat 1, and the tops of the outer seat 1 and the threaded sleeve 7 are both in contact with the bottom of the bottom pad 9;
[0025] The sealing member is combined between the positioning member and the outer seat 1, and the bottom of the seat 2 is abutted against the top of the horizontal end of the sealing rubber pad 3, while the bottom pad 9 is abutted against the bottom of the outer seat 1 and the threaded sleeve 7. When the hexagonal nut is used, the nut is moved as a whole and the top of the sealing rubber pad 3 is abutted against the outer wall of the part to be installed. After the bolts pass through the part to be installed and the sealing member in turn, the bolts are screwed together with the threaded sleeve 7, so that the installation is completed by the bolts and the nuts as a whole. At this time, the sealing rubber 3 is tightly fitted against the outer wall of the part to be installed, so as not to affect the normal use of the nut, while ensuring the sealing between the nut, the part to be installed and the bolt.
[0026] Specifically, Figure 2 and Figure 4As shown, the positioning member includes a fixedly connected mount 2 and a bottom ring 4, the bottom ring 4 is engaged with the top of the outer seat 1 through a coupling groove 6, the bottom of the mount 2 is abutted against the top of the horizontal end of the sealing rubber pad 3, and a fixing portion for fixing the bottom ring 4 and the outer seat 1 is provided between the bottom ring 4 and the outer seat 1, the fixing portion includes a fastening rod 10, the bottom ring 4 and the outer seat 1 are fixedly connected through the fastening rod 10, the positioning member is composed of an integrally formed mount 3 and a bottom ring 4, after the seal is placed on the top of the outer seat 1, the positioning member is overlapped to the top of the seal, and the bottom ring 4 is combined with the outer seat 1 through the coupling groove 6, and then the bottom ring 4 and the outer seat 1 are fixed by the fastening rod 10, at this time the mount 2 is pressed on the top of the horizontal end of the sealing rubber pad 3, thereby ensuring the stability of the position of the seal while improving the convenience of disassembly and assembly of the seal.
[0027] Specifically, Figure 2 and Figure 3 As shown, the inner wall of the bottom ring 4 is interference-fitted with a rubber block 5, and the inner wall of the rubber block 5 abuts against the outer wall of the fastening rod 10, isolating the fastening rod 10 while limiting the loosening of the fastening rod 10 by friction. The fastening rod 10 and the rubber block 5 are provided in multiple groups, and the multiple groups of fastening rods 10 and rubber blocks 5 are distributed in a ring shape, so as to further ensure the stability of the combination of the bottom ring 4 and the outer seat, the seat 2 and the bottom ring 4 are integrally formed, and the cross-section of the positioning piece is a T-shaped structure, so as to ensure the overall structural strength of the positioning piece.
[0028] Working principle: The seal is combined between the positioning member and the outer seat 1, the bottom of the mounting seat 2 is abutted against the top of the horizontal end of the sealing rubber pad 3, and the bottom pad 9 is abutted against the bottom of the outer seat 1 and the threaded sleeve 7. When the hexagonal nut is used, the nut is moved as a whole and the top of the sealing rubber pad 3 is abutted against the outer wall of the part to be installed. After the bolt passes through the part to be installed and the seal in turn, the bolt and the threaded sleeve 7 are screwed together, so that the installation is completed by the bolt and the nut as a whole. At this time, the sealing rubber 3 is tightly fitted with the outer wall of the part to be installed, so as not to affect the normal use of the nut, and ensure the sealing between the nut, the part to be installed and the bolt. The positioning member is composed of an integrally formed mounting seat 3 and a bottom ring 4. After the seal is placed on the top of the outer seat 1, the positioning member is overlapped to the top of the seal, and the bottom ring 4 is combined with the outer seat 1 through the coupling groove 6, and then the bottom ring 4 is fixed to the outer seat 1 through the tightening rod 10. At this time, the mounting seat 2 is pressed on the top of the horizontal end of the sealing rubber pad 3, so as to ensure the stability of the position of the seal and improve the convenience of disassembly and assembly of the seal.
[0029] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A hexagonal sealing nut with sealing performance, comprising an outer seat (1), a positioning member and a sealing member, characterized in that: The outer seat (1) is fixedly matched with the positioning member, and the sealing member comprises a sealing rubber pad (3), a support ring (8) and a bottom pad (9) which are fixedly connected, and the sealing rubber pad (3), the support ring (8) and the bottom pad (9) are distributed from top to bottom, and the inner surface wall of the arc-shaped end of the outer seat (1) is fixedly connected with a threaded sleeve (7), and the tops of the outer seat (1) and the threaded sleeve (7) are both in contact with the bottom of the bottom pad (9).
2. A hexagonal sealing nut with sealing performance according to claim 1, characterized in that: The positioning member comprises a fixedly connected mount (2) and a bottom ring (4); the bottom ring (4) is engaged with the top of the outer seat (1) via a coupling groove (6); the bottom of the mount (2) abuts against the top of the horizontal end of the sealing rubber pad (3); and a fixing portion for fixing the bottom ring (4) and the outer seat (1) is provided between the bottom ring (4) and the outer seat (1).
3. A hexagonal sealing nut with sealing performance according to claim 2, characterized in that: The fixing portion comprises a fastening rod (10), and the bottom ring (4) and the outer seat (1) are fixedly connected via the fastening rod (10).
4. A hexagonal sealing nut with sealing performance according to claim 3, characterized in that: The inner surface wall of the bottom ring (4) is interference-fitted with a rubber block (5), and the inner surface wall of the rubber block (5) abuts against the outer surface wall of the fastening rod (10).
5. A hexagonal sealing nut with sealing performance according to claim 4, characterized in that: The fastening rods (10) and the rubber blocks (5) are provided in multiple groups, and the multiple groups of fastening rods (10) and rubber blocks (5) are distributed in a ring shape.
6. A hexagonal sealing nut with sealing performance according to claim 5, characterized in that: The seat (2) and the bottom ring (4) are integrally formed, and the cross section of the positioning piece is a T-shaped structure.
