Bolt assembly with high sealing performance

Abstract

The utility model discloses the technical field of bolts, and particularly relates to a bolt assembly with high sealing performance. The bolt assembly with the high sealing performance comprises a screw rod body, threads are formed in one side of the screw rod body, and a nut is connected to the outer side of the screw rod body in a threaded mode. The bolt head is formed at the end of the screw body, and the bolt head and the screw body are integrally formed; and the sealing assembly is formed on the inner side of the bolt head and comprises an annular flow channel, and a first flow channel communicating with the outer side of the bolt head and a second flow channel communicating with threads of the screw rod are arranged on the periphery of the annular flow channel. The utility model has the advantages of stable installation and reasonable structure.

Description

Technical Field

[0001] This utility model relates to the field of bolt technology, and specifically to a bolt assembly with high sealing performance. Background Technology

[0002] Traditional bolts are prone to leakage due to insufficient sealing in high-pressure or corrosive environments. Existing technologies use external sealants or gaskets, but these suffer from problems such as aging failure and complex installation. This application achieves dynamic sealing and directional media filling through a built-in sealing channel structure. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing a bolt assembly with high sealing performance, which is stable to install and has a reasonable structure.

[0004] To achieve the above objectives, this utility model provides an anti-loosening bolt, which adopts the following technical solution:

[0005] A bolt assembly with high sealing performance, comprising:

[0006] A screw body, wherein a thread is provided on one side of the screw body, and a nut is screwed onto the outside of the screw body;

[0007] The bolt head, formed at the end of the screw body, is integrally molded with the screw body; and

[0008] The sealing assembly, formed inside the bolt head, includes an annular flow channel. The outer periphery of the annular flow channel has a first flow channel connecting to the outside of the bolt head and a second flow channel connecting to the screw thread. The annular flow channel connects the outside of the bolt head to the screw thread, forming a dynamic sealing path. The dual-flow channel design: the first flow channel (connecting to the outside of the bolt head) and the second flow channel (connecting to the screw thread) work together to achieve the injection and uniform distribution of external media (such as sealant).

[0009] A further improvement of this utility model to a bolt assembly with high sealing performance is that the first flow channel is used to inject the sealing medium, and the second flow channel guides the sealing medium to the thread gap.

[0010] A further improvement of the bolt assembly with high sealing performance of this utility model is that the cross-section of the annular flow channel is U-shaped or V-shaped, and a guide slope is provided at the connection with the first flow channel and the second flow channel.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] A dynamic sealing path is formed by connecting the outer side of the bolt head to the screw thread through an annular flow channel;

[0013] The dual-channel design, with the first channel (connecting to the outside of the bolt head) and the second channel (connecting to the thread) working together, enables the injection and uniform distribution of external media (such as sealant). Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] In the diagram: Bolt head 1, screw body 2, annular flow channel 3, second flow channel 4, first flow channel 5. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figure 1 As shown, a bolt assembly with high sealing performance includes:

[0018] Screw body 2, wherein a thread is provided on one side of the screw body and a nut is screwed onto the outside of the screw body;

[0019] The bolt head 1, formed at the end of the screw body, is integrally molded with the screw body; and

[0020] The sealing assembly, formed inside the bolt head, includes an annular flow channel 3. The outer periphery of the annular flow channel has a first flow channel 5 connecting to the outside of the bolt head and a second flow channel 4 connecting to the screw thread. The annular flow channel connects the outside of the bolt head to the screw thread, forming a dynamic sealing path. The dual-flow channel design: the first flow channel (connecting to the outside of the bolt head) and the second flow channel (connecting to the screw thread) work together to achieve the injection and uniform distribution of external media (such as sealant).

[0021] Specifically, the first channel is used to inject the sealing medium, and the second channel guides the sealing medium to the thread gap.

[0022] Specifically, the cross-section of the annular flow channel is U-shaped or V-shaped, and a guide slope is provided at the connection with the first flow channel and the second flow channel.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A bolt assembly with high sealing performance, characterized in that, include: A screw body, wherein a thread is formed on one side of the screw body, and a nut is screwed onto the outside of the screw body; a bolt head is formed at the end of the screw body and is integrally formed with the screw body; and a sealing assembly is formed on the inner side of the bolt head, including an annular flow channel, wherein a first flow channel communicating with the outside of the bolt head and a second flow channel communicating with the thread of the screw are provided on the outer periphery of the annular flow channel.

2. The bolt assembly with high sealing performance according to claim 1, characterized in that: The first flow channel is used to inject the sealing medium, and the second flow channel guides the sealing medium to the thread gap.

3. The bolt assembly with high sealing performance according to claim 1, characterized in that: The annular flow channel has a U-shaped or V-shaped cross section, and a guide slope is provided at the connection with the first flow channel and the second flow channel.

Images