Lock cap with high sealing performance

Abstract

The utility model relates to the technical field of pipeline sealing, in particular to a high-sealing-performance lock cap which comprises a sealing sleeve and a sealing plate. The sealing sleeve and the sealing plate are mutually fixed; the outer wall of the sealing sleeve is provided with external threads, the sealing sleeve can be connected to the interior of the 315 pipe in a threaded mode under the cooperation of the internal threads and the external threads, and compared with the prior art, the sealing sleeve and the 315 pipe can be installed and fixed conveniently, and use is convenient; due to the fact that the sealing piece is arranged, under the cooperation of the sealing piece, the sealing performance of the connecting position of the sealing plate and the 315 pipe can be improved, leakage at the connecting position of the sealing plate and the 315 pipe is avoided, the working efficiency of the 315 pipe can be improved, the thickness of the sealing ring is larger than that of the connecting ring, it can be guaranteed that the sealing ring can make full contact with the 315 pipe, and the service life of the 315 pipe is prolonged. And the overall sealing performance of the 315 pipe is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline sealing, in particular to a lock nut with high sealing performance. Background Technique

[0002] The 315 pipe usually refers to a pipe with an outer diameter of 315 mm, which is widely used in various fields such as water supply, drainage, gas, and chemical industry. After the installation of the 315 pipe is completed, a sealing member is required to seal the 315 pipe. However, the existing sealing members are relatively cumbersome to install, and the sealing effect of the sealing members is not good, seriously affecting the working efficiency of the 315 pipe.

[0003] Therefore, a lock nut with high sealing performance is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a lock nut with high sealing performance.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lock nut with high sealing performance, comprising:

[0007] A sealing sleeve and a sealing plate;

[0008] The sealing sleeve and the sealing plate are fixedly connected to each other;

[0009] The outer wall of the sealing sleeve is provided with an external thread, and it is threadedly connected to the inside of the 315 pipe through the external thread cooperating with the internal thread on the inner wall of the 315 pipe.

[0010] Preferably, a sealing member is provided at one end of the sealing plate close to the sealing sleeve. The sealing member is composed of a connecting ring and a sealing ring, and the sealing ring is arranged inside the connecting ring.

[0011] Preferably, the thickness of the sealing ring is greater than the thickness of the connecting ring.

[0012] Preferably, a clamping groove is opened at one end of the sealing plate close to the sealing sleeve, and a clamping block that is clamped in the clamping groove is fixed at one end of the connecting ring close to the sealing plate;

[0013] A connecting hole is opened on the outer wall of the sealing plate, a first clamping hole communicating with the clamping groove is opened at the bottom of the connecting hole, and a second clamping hole is opened on the outer wall of the clamping block;

[0014] A fixing rod is clamped in the first clamping hole and the second clamping hole;

[0015] One end of the fixing rod is fixed with a bearing plate, and a pull ring is fixed on the outer wall of the bearing plate.

[0016] Preferably, a spring is provided on the outer wall of the fixed rod. One end of the spring is fixed to the receiving plate, and the other end of the spring is fixed to the inner bottom of the connection hole.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] With the cooperation of the internal thread and the external thread, the sealing sleeve can be threadedly connected to the inside of the 315 pipe in the present utility model. Compared with the existing ones, the present utility model is convenient for installing and fixing the sealing sleeve and the 315 pipe, and is relatively convenient to use.

[0019] Due to the provision of the sealing member, with the cooperation of the sealing member, the sealing performance at the connection between the sealing plate and the 315 pipe can be improved, avoiding leakage at the connection between the sealing plate and the 315 pipe, which helps to improve the working efficiency of the 315 pipe. Moreover, the thickness of the sealing ring is greater than the thickness of the connection ring, which can ensure that the sealing ring can be in full contact with the 315 pipe, further improving the overall sealing performance of the 315 pipe.

[0020] In the present utility model, the fixed rod is pulled by the pull ring. At this time, the spring will perform a corresponding stretching movement. After one end of the fixed rod is disengaged from the second clamping hole, the clamping block can be taken out of the clamping groove, achieving the purpose of disassembling the connection ring and the sealing ring. Therefore, the present utility model is convenient for disassembling, replacing or maintaining the connection ring and the sealing ring, thus ensuring the working efficiency of the sealing ring and helping to ensure the overall sealing performance of the 315 pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the overall structural schematic diagram of the present utility model;

[0022] Figure 2 is the partial structural schematic diagram of the present utility model;

[0023] Figure 3 is the present utility model Figure 2 the enlarged view of A in;

[0024] Figure 4 is the structural schematic diagram of the sealing member in the present utility model.

[0025] In the figure: 1, sealing plate; 2, sealing sleeve; 3, external thread; 4, connection ring; 5, sealing ring; 6, clamping groove; 7, clamping block; 8, connection hole; 9, first clamping hole; 10, second clamping hole; 11, fixed rod; 12, receiving plate; 13, pull ring; 14, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific implementation manners.

[0028] Embodiment 1:

[0029] Please refer to Figure 1 , the present utility model provides a technical solution: To achieve the above object, the present utility model provides the following technical solution: A high-sealing lock cap, comprising: a sealing sleeve 2 and a sealing plate 1; the sealing sleeve 2 and the sealing plate 1 are fixedly connected to each other; an external thread 3 is provided on the outer wall of the sealing sleeve 2, and it is threadedly connected to the inside of the 315 pipe through the external thread 3 and the internal thread on the inner wall of the 315 pipe.

[0030] Specifically, with the cooperation of the internal thread and the external thread 3 of the present utility model, the sealing sleeve 2 can be threadedly connected to the inside of the 315 pipe. Compared with the existing ones, the present utility model is convenient for installing and fixing the sealing sleeve 2 and the 315 pipe, and is relatively convenient to use.

[0031] Embodiment 2:

[0032] Please refer to Figures 1-4 , the present utility model provides a technical solution: A high-sealing lock cap, a sealing member is provided at one end of the sealing plate 1 close to the sealing sleeve 2. The sealing member is composed of a connecting ring 4 and a sealing ring 5. The sealing ring 5 is arranged inside the connecting ring 4, and the thickness of the sealing ring 5 is greater than the thickness of the connecting ring 4. A clamping groove 6 is opened at one end of the sealing plate 1 close to the sealing sleeve 2. A clamping block 7 clamped in the clamping groove 6 is fixed at one end of the connecting ring 4 close to the sealing plate 1; a connecting hole 8 is opened on the outer wall of the sealing plate 1, and a first clamping hole 9 communicating with the clamping groove 6 is opened at the bottom of the connecting hole 8. A second clamping hole 10 is opened on the outer wall of the clamping block 7; a fixing rod 11 is clamped in the first clamping hole 9 and the second clamping hole 10; a receiving plate 12 is fixed at one end of the fixing rod 11, a pull ring 13 is fixed on the outer wall of the receiving plate 12, a spring 14 is arranged on the outer wall of the fixing rod 11, one end of the spring 14 is fixed to the receiving plate 12, and the other end of the spring 14 is fixed to the bottom of the connecting hole 8.

[0033] Specifically, due to the provision of the seal, the sealing performance at the connection between the sealing plate 1 and the 315 pipe can be improved under the cooperation of the seal, avoiding leakage at the connection between the sealing plate 1 and the 315 pipe, which helps to improve the working efficiency of the 315 pipe. Moreover, the thickness of the sealing ring 5 is greater than that of the connecting ring 4, which can ensure that the sealing ring 5 can be in full contact with the 315 pipe, further improving the overall sealing performance of the 315 pipe;

[0034] By pulling the fixing rod 11 through the pull ring 13, the spring 14 will perform a corresponding stretching movement at this time. After one end of the fixing rod 11 disengages from the second clamping hole 10, the clamping block 7 can be taken out of the clamping groove 6, achieving the purpose of disassembling the connecting ring 4 and the sealing ring 5. Therefore, the present utility model facilitates the disassembly, replacement or maintenance of the connecting ring 4 and the sealing ring 5, thus ensuring the working efficiency of the sealing ring 5 and helping to ensure the overall sealing performance of the 315 pipe.

[0035] Working principle:

[0036] First, under the cooperation of the internal thread and the external thread 3, the sealing sleeve 2 can be threadedly connected to the inside of the 315 pipe. Compared with the existing ones, the present utility model facilitates the installation and fixation of the sealing sleeve 2 and the 315 pipe, and is relatively convenient to use;

[0037] Secondly, due to the provision of the seal, the sealing performance at the connection between the sealing plate 1 and the 315 pipe can be improved under the cooperation of the seal, avoiding leakage at the connection between the sealing plate 1 and the 315 pipe, which helps to improve the working efficiency of the 315 pipe. Moreover, the thickness of the sealing ring 5 is greater than that of the connecting ring 4, which can ensure that the sealing ring 5 can be in full contact with the 315 pipe, further improving the overall sealing performance of the 315 pipe;

[0038] Finally, by pulling the fixing rod 11 through the pull ring 13, the spring 14 will perform a corresponding stretching movement at this time. After one end of the fixing rod 11 disengages from the second clamping hole 10, the clamping block 7 can be taken out of the clamping groove 6, achieving the purpose of disassembling the connecting ring 4 and the sealing ring 5. Therefore, the present utility model facilitates the disassembly, replacement or maintenance of the connecting ring 4 and the sealing ring 5, thus ensuring the working efficiency of the sealing ring 5 and helping to ensure the overall sealing performance of the 315 pipe.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present utility model.

[0040] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high-sealing lock cap, characterized in that: include: Sealing sleeve (2), sealing plate (1); The sealing sleeve (2) and the sealing plate (1) are fixed to each other; The outer wall of the sealing sleeve (2) is provided with an external thread (3), and the sealing sleeve (2) is threadably connected to the interior of the 315 pipe by matching the external thread (3) with the internal thread on the inner wall of the 315 pipe.

2. A high sealing lock cap according to claim 1, characterized in that: A sealing member is provided at one end of the sealing plate (1) close to the sealing sleeve (2), and the sealing member is composed of a connecting ring (4) and a sealing ring (5), and the sealing ring (5) is arranged inside the connecting ring (4).

3. A high sealing lock cap according to claim 2, characterized in that: The thickness of the sealing ring (5) is greater than the thickness of the connecting ring (4).

4. A high sealing lock cap according to claim 2, characterized in that: A clamping groove (6) is formed at one end of the sealing plate (1) close to the sealing sleeve (2), and a clamping block (7) is fixed at one end of the connecting ring (4) close to the sealing plate (1) and is clamped in the clamping groove (6); The sealing plate (1) has an outer wall provided with a connection hole (8), the inner bottom of the connection hole (8) has a first clamping hole (9) connected to the clamping groove (6), and the outer wall of the clamping block (7) has a second clamping hole (10); A fixing rod (11) is clamped in the first clamping hole (9) and the second clamping hole (10); A receiving plate (12) is fixed to one end of the fixing rod (11), and a pull ring (13) is fixed to the outer wall of the receiving plate (12).

5. A high sealing lock cap according to claim 4, characterized in that: A spring (14) is provided on the outer wall of the fixing rod (11), one end of the spring (14) is fixed to the receiving plate (12), and the other end of the spring (14) is fixed to the inner bottom of the connecting hole (8).

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