Water pipe connector sealing structure

Abstract

The invention relates to a water pipe connector sealing structure which comprises a box body. The sealing gasket comprises a sealing part and a locking part connected with the sealing part, the sealing part is arranged on the circumferential wall of the mounting hole ring of the box body, and the locking part is arranged on the outer side wall of the box body; the water pipe is arranged in the center hole of the sealing part in a penetrating manner and extends into the box body; the water pipe connector comprises a connector part, a pressing part and a fixing part which are connected in sequence, the pressing part is attached to the sealing part, the fixing part is arranged on the side, away from the box body, of the locking part, and when the fixing part moves towards the box body, the pressing part can be driven to extrude the sealing part; and the fixing piece is used for driving the fixing part to move towards the box body and locking the fixing part, the locking part and the box body. The pressing part can be guided and driven to extrude the sealing part by operating the fixing piece, reliable sealing is achieved, installation is easy, and the operation difficulty is low.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline connection, and in particular relates to a water pipe joint sealing structure. Background Art

[0002] Traditional water pipe joint sealing mainly relies on soft sealing tape wrapped around the thread surface or built-in elastic sealing ring, which has the following problems:

[0003] High operating experience required: By wrapping a soft sealing tape (such as raw tape) on the thread surface, this method requires a high level of experience for the installer, and the tightness is difficult to accurately control, which can easily lead to water leakage due to improper operation;

[0004] Low sealing reliability: When an elastic sealing ring is installed inside the joint or at the threaded port, the sealing ring may produce gaps due to pressure changes under high temperature, high pressure or vibration conditions, thus reducing the sealing reliability.

[0005] High construction complexity: Some sealing solutions use materials such as sealants and sealants to enhance the sealing effect, but these materials usually require additional tools, are complex to construct, and are prone to aging and failure.

[0006] Therefore, the prior art still has certain deficiencies in terms of installation convenience, sealing reliability and structural optimization, and an improved sealing structure is urgently needed to improve the sealing performance of the water pipe joint. Summary of the invention

[0007] In view of the above problems existing in the prior art, the present invention provides a water pipe joint sealing structure, which can achieve double sealing between the box body and the outside world, and between the water pipe and the outside world, has a simple structure and high sealing reliability.

[0008] To achieve the above object, the technical solution provided by the present invention is as follows:

[0009] The present application provides a water pipe joint sealing structure, comprising:

[0010] A box body; a sealing gasket, comprising a sealing portion and a locking portion connected to the sealing portion, the sealing portion being arranged on the circumferential wall of the mounting hole of the box body, and the locking portion being arranged on the outer side wall of the box body;

[0011] A water pipe is passed through the central hole of the sealing part and extends into the box body;

[0012] A water pipe joint, comprising a joint portion, a pressing portion and a fixing portion connected in sequence, wherein the pressing portion is in contact with the sealing portion, and the fixing portion is arranged on a side of the locking portion away from the box body, and when the fixing portion moves toward the box body, the pressing portion can be driven to squeeze the sealing portion;

[0013] The fixing member is used to drive the fixing part to move toward the box body and lock the fixing part, the locking part and the box body.

[0014] Optionally, the end face of the water pipe is fitted with the joint part through an end face buffer pad.

[0015] Optionally, a conical guiding surface is arranged in the inner cavity of the pressing part, the inner diameter of the conical guiding surface near the box body is larger than the inner diameter of the conical guiding surface near the joint part, and a sealing surface adapted to the conical guiding surface is arranged on the sealing part.

[0016] Optionally, the included angle between the conical guiding surface and the outer side wall of the water pipe is 15°-30°.

[0017] Optionally, an arc-shaped guiding surface is arranged in the inner cavity of the pressing part, the inner diameter of the arc-shaped guiding surface gradually decreases from the side near the box body to the side near the joint part, and a sealing surface adapted to the arc-shaped guiding surface is arranged on the sealing part.

[0018] Optionally, an installation groove is arranged on the sealing part, and the side wall at the installation hole of the box body is clamped in the installation groove.

[0019] Optionally, the fixing part includes one of a bolt or a screw, and the fixing part sequentially passes through the fixing part and the locking part and is threadedly connected to the box body.

[0020] Optionally, the locking part is perpendicular to the sealing part.

[0021] Optionally, a right-angle groove is arranged on the joint part, the outer side wall of the water pipe is attached to one side wall of the right-angle groove, and the end face of the water pipe is attached to the other side wall of the right-angle groove through an end face buffer pad.

[0022] Optionally, the water pipe joint, the water pipe and the gasket are coaxially arranged.

[0023] Compared with the prior art, the present application has at least the following beneficial effects:

[0024] In the present invention, when the fixing part drives the fixing part to move towards the box body to lock the fixing part, the locking part and the box body, it can guide and drive the pressing part to extrude the sealing part, and the sealing part is compressed and deformed to achieve reliable sealing. No additional sealing tape is required, the installation is simple, and the operation difficulty is low; by arranging an end face buffer pad, it can not only achieve a sealing effect, but also effectively avoid rigid contact between the water pipe and the water pipe joint, preventing damage to the water pipe; by arranging an installation groove, the gasket can be stably fixed on the installation hole of the box body, avoiding falling off during the assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0026] Figure 1 This is a schematic structural diagram of a water pipe joint sealing structure in an embodiment of the present application;

[0027] Explanation of the reference numerals in the drawings:

[0028] 1. Water pipe joint; 11. Joint part; 12. Pressing part; 13. Fixing part; 2. End face buffer pad; 3. Sealing gasket; 31. Sealing part; 32. Locking part; 33. Installation groove; 4. Water pipe; 5. Box body; 6. Fixing piece. Specific implementation manners

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present application and its application or use.

[0030] Embodiment 1:

[0031] As Figure 1 shown, a water pipe joint sealing structure includes:

[0032] Box body 5;

[0033] Sealing gasket 3, including a sealing part 31 and a locking part 32 connected to the sealing part 31. The sealing part 31 is arranged on the circumferential wall of the installation hole of the box body 5, and the locking part 32 is arranged on the outer side wall of the box body 5;

[0034] Water pipe 4, passing through the central hole of the sealing part 31 and extending into the box body 5;

[0035] Water pipe joint 1, including a joint part 11, a pressing part 12 and a fixing part 13 connected in sequence. The pressing part 12 is attached to the sealing part 31, and the fixing part 13 is arranged on the side of the locking part 32 away from the box body 5. When the fixing part 13 moves towards the box body 5, it can drive the pressing part 12 to squeeze the sealing part 31;

[0036] Fixing piece 6, used to drive the fixing part 13 to move towards the box body 5 and lock the fixing part 13, the locking part 32 and the box body 5.

[0037] During installation, operate the fixing piece 6 to make the fixing part 13 move towards the box body 5. When the fixing part 13, the locking part 32 and the box body 5 are locked, the locking part 32 of the sealing gasket 3 is subjected to a pressing force, filling the tiny gap between the joint and the box body 5 to form a stable seal; and guiding and driving the pressing part 12 to squeeze the sealing part 31, and the sealing part 31 is compressed and deformed to achieve a reliable seal. There is no need for an additional sealing bag, the installation is simple, and the operation difficulty is low.

[0038] Example 2:

[0039] The difference between this embodiment and Embodiment 1 is that: a conical guiding surface is provided in the inner cavity of the pressing part 12, the inner diameter of the conical guiding surface near the box body 5 is larger than the inner diameter near the joint part 11, and a sealing surface adapted to the conical guiding surface is provided on the sealing part 31. Under the action of pressure, the conical guiding surface can guide the sealing part 31 of the gasket 3 to generate radial compression deformation, so that a stable and reliable linear seal is formed between the gasket 3, the water pipe 4 and the water pipe joint, providing a strong guarantee for the sealing performance of the system.

[0040] The included angle between the conical guiding surface and the outer side wall of the water pipe 4 is 15° - 30°.

[0041] The end face of the water pipe 4 is attached to the joint part 11 through the end face buffer pad 2. In this embodiment, the joint part 11 is provided with a right-angle groove, the outer side wall of the water pipe 4 is attached to one side wall of the right-angle groove, and the end face of the water pipe 4 is attached to the other side wall of the right-angle groove through the end face buffer pad 2. By setting the end face buffer pad 2, not only can the sealing effect be achieved, but also the rigid contact between the water pipe 4 and the water pipe joint 1 can be effectively avoided, preventing the water pipe 4 from being damaged.

[0042] The water pipe joint 1, the water pipe 4 and the gasket 3 are installed in a coaxial state.

[0043] In this embodiment, the locking part 32 of the gasket 3 is perpendicular to the sealing part 31, showing a convex design. There is also a horizontal section at one end between the conical guiding surface of the pressing part 12 and the fixing part 13, and the sealing surface of the sealing part 31 is attached to the pressing part 12 for sealing.

[0044] An installation groove 33 is also provided on the sealing part 31, and the side wall at the installation hole of the box body 5 is clamped in the installation groove 33. By setting the installation groove 33, the gasket 3 can be stably fixed on the installation hole of the box body 5, avoiding the phenomenon of falling off during the assembly process.

[0045] The fixing part 6 includes one of bolts or screws, or other fixing parts 6 that can achieve pressurized locking are also acceptable. In this embodiment, the fixing part 6 uses bolts, and the bolts sequentially pass through the fixing part 13, the locking part 32 and are threadedly connected to the box body 5.

[0046] To improve the durability and sealing effect of the gasket 3, in this embodiment, the gasket 3 is composed of a three-layer structure, including a flexible rubber layer, a strengthening support layer and a wear-resistant protection layer that are connected in sequence.

[0047] For water pipe joints 1 of different sizes, the thickness and width range of the gasket 3 can be adjusted to improve the sealing performance of the water channel, adapt to the structures of water pipes 4 of different specifications, and be applicable to various water channel sealing scenarios.

[0048] Example 3

[0049] The difference between this embodiment and Embodiment 2 lies in that: an arc-shaped guiding surface is provided in the inner cavity of the pressing part 12, and the inner diameter of the arc-shaped guiding surface gradually decreases from the side close to the box body 5 to the side close to the joint part 11. A sealing surface adapted to the arc-shaped guiding surface is provided on the sealing part 31. Through this design, under the action of pressure, the arc-shaped guiding surface can guide the sealing part 31 of the gasket 3 to generate radial compression deformation, so that a stable and reliable linear seal is formed between the gasket 3, the water pipe 4 and the water pipe joint, providing a strong guarantee for the sealing performance of the system.

[0050] The above are only the preferred embodiments of the present application. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present application, several improvements and deformations can still be made, and these improvements and deformations should also be regarded as the protection scope of the present application.

Claims

1. A water pipe joint sealing structure, characterized in that: include: Box; The sealing gasket comprises a sealing portion and a locking portion connected to the sealing portion, wherein the sealing portion is arranged on the circumferential wall of the mounting hole of the box body, and the locking portion is arranged on the outer side wall of the box body; A water pipe is passed through the central hole of the sealing part and extends into the box body; The water pipe joint comprises a joint part, a pressing part and a fixing part which are connected in sequence, wherein the pressing part is fitted with the sealing part, and the fixing part is arranged on the side of the locking part away from the box body, and when the fixing part moves toward the box body, the pressing part can be driven to squeeze the sealing part; The fixing member is used to drive the fixing part to move toward the box body and lock the fixing part, the locking part and the box body.

2. The water pipe joint sealing structure according to claim 1, characterized in that: The end face of the water pipe is fitted with the joint part through the end face buffer pad.

3. The water pipe joint sealing structure according to claim 1, characterized in that: The inner cavity of the pressing part is provided with a conical guide surface, the inner diameter of the conical guide surface close to the box body is larger than the inner diameter of the conical guide surface close to the joint part, and the sealing part is provided with a sealing surface matched with the conical guide surface.

4. The water pipe joint sealing structure according to claim 3, characterized in that: The angle between the conical guide surface and the outer wall of the water pipe is 15° to 30°.

5. The water pipe joint sealing structure according to claim 1, characterized in that: The inner cavity of the pressing part is provided with an arc-shaped guide surface, the inner diameter of which gradually decreases from the side close to the box body to the side close to the joint part, and the sealing part is provided with a sealing surface matched with the arc-shaped guide surface.

6. The water pipe joint sealing structure according to claim 1, characterized in that: The sealing portion is provided with a mounting groove, and the side wall at the mounting hole of the box body is clamped in the mounting groove.

7. The water pipe joint sealing structure according to claim 1, characterized in that: The fixing member includes one of a bolt and a screw, and the fixing member passes through the fixing portion and the locking portion in sequence and is threadedly connected to the box body.

8. The water pipe joint sealing structure according to claim 1, characterized in that: The locking portion is perpendicular to the sealing portion.

9. The water pipe joint sealing structure according to claim 2, characterized in that: The joint part is provided with a right-angle groove, the outer side wall of the water pipe is fitted with one side wall of the right-angle groove, and the end face of the water pipe is fitted with the other side wall of the right-angle groove through an end face buffer pad.

10. The water pipe joint sealing structure according to claim 1, characterized in that: The water pipe joint, water pipe and sealing gasket are coaxially arranged.

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