CN209892907U - Fire control pipe fitting is with preventing leaking leakproofness connector - Google Patents

Abstract

The utility model relates to the technical field of fire-fighting pipe fittings, in particular to an anti-leakage sealing connector for fire-fighting pipe fittings, which comprises a flange body and a pipe fitting body. A pipe fitting channel is arranged in the center of the top of the flange body. A sealing groove is arranged at the bottom end of the flange, a first sealing ring and an annular cavity are arranged inside the pipe fitting channel, wherein a sealing ring and a third sealing ring are arranged inside the sealing groove, and the third sealing ring is arranged on the elastic sheet Under the push of the screw, it is closely fitted with the end of the water outlet, and the inside of the annular cavity is provided with a fitting ring and a second sealing ring. Compared with the traditional technology, the inner part and the bottom end of the flange plate are provided with a multi-layer sealing ring structure, and the sealing performance is better, which not only saves water resources, but also maximizes the water flow inside the pipe fittings and improves the fire fighting efficiency. .

Description

A leak-proof sealing connector for fire-fighting pipe fittings

technical field

The utility model relates to the technical field of fire-fighting pipe fittings, in particular to an anti-leakage sealing connector for fire-fighting pipe fittings.

Background technique

Fire-fighting pipe fittings refer to the pipeline materials used for fire-fighting, connecting fire-fighting equipment and equipment, and transporting fire-fighting water, gas or other media. The fire pipe fittings are generally fixed on the water outlet through the flange plate, but the existing flange plate structure is relatively simple. During the use process, we found that the connection between the fire pipe fitting and the water outlet is easy to leak water, that is, the sealing of the flange plate Poor performance, which not only causes the waste of water resources, but also reduces the water flow inside the fire pipe and weakens the fire efficiency. above problem.

Utility model content

The purpose of the present invention is to provide an anti-leakage sealing connector for fire-fighting pipe fittings, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a leak-proof sealing joint for fire-fighting pipe fittings, comprising a flange body and a pipe fitting body, the top center of the flange body is provided with a pipe fitting channel, and the flange The top end of the disc body is evenly provided with bolt insertion holes along the outer circumferential direction, and the flange body, the pipe fitting channel and the bolt insertion hole are integrally formed, and a first sealing ring is fitted under the inner side of the pipe fitting passage. The inner middle section of the pipe fitting channel is provided with an annular cavity, the annular cavity has an annular cavity structure, and both sides of the inside are provided with a fitting ring, the fitting ring is a semi-ring structure, and the inner side of the fitting ring is Both are fitted with a second sealing ring, and the outer side of the fitting ring is all rotated to connect the screw, the outer end of the screw penetrates the pipe fitting channel, and the two are threadedly connected, and one end of the pipe fitting body is inserted into the pipe fitting channel, and the The inner sides of the first sealing ring and the second sealing ring are both attached to the outer side wall of the pipe fitting body.

Preferably, a sealing groove is welded at the bottom end of the flange body, the sealing groove is in an annular cavity structure, and a sealing ring is arranged inside the sealing groove, and the sealing ring is in an annular structure, and its outer end A third sealing ring is provided to fit.

Preferably, the inner end of the sealing ring is provided with an elastic sheet, the outer end of the third sealing ring is provided with a second bulging ring, and the inner and outer ends of the elastic sheet are respectively connected with the inner end of the sealing groove and the inner end of the sealing ring. Internal fixed connection.

Preferably, the inner surface of the first sealing ring is provided with a first bulging ring, the first bulging ring and the first sealing ring are integrally formed, and the first bulging ring and the outer side wall of the pipe fitting body are closely fitted.

Preferably, a first boss is provided above the inside of the pipe fitting channel, a second boss is fixedly sleeved on the outer side of the pipe fitting body, the first boss is adhered and fixed to the pipe fitting channel, and the second boss is The boss and the pipe fitting body are adhered and fixed, and the first boss and the second boss are closely attached.

Preferably, the circumference radius corresponding to the inner side of the fitting ring is smaller than the inner diameter of the pipe channel, and the two fitting rings together form a complete circular ring structure.

Compared with the prior art, the beneficial effect of the present utility model is that: the utility model is provided with a sealing groove at the bottom end of the flange plate, and a first sealing ring and an annular cavity are arranged inside the pipe fitting channel, wherein the inner part of the sealing groove is provided with a sealing groove. A sealing ring and a third sealing ring are provided. The third sealing ring is pushed by the elastic sheet and closely fits with the end of the water outlet. The inside of the annular cavity is provided with a fitting ring and a second sealing ring. Under the action, the second sealing ring is closely attached to the outer side wall of the body of the pipe fitting. Compared with the traditional technology, the inner and bottom ends of the flange are provided with a multi-layer sealing ring structure, which has better sealing performance and not only saves water. Resources, but also to maximize the protection of the water flow inside the pipe fittings, improve fire efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural sectional view of the utility model;

Fig. 3 is the structural enlarged schematic diagram of the utility model A;

FIG. 4 is a schematic diagram of the bottom end of the flange body structure of the utility model.

In the figure: 1 flange body, 2 pipe fittings channel, 3 bolt holes, 4 sealing groove, 5 sealing ring, 6 first sealing ring, 7 first bulging ring, 8 annular cavity, 9 fitting ring, 10 sealing ring Two sealing rings, 11 screw rods, 12 pipe fitting bodies, 13 first bosses, 14 second bosses, 15 third sealing rings, 16 elastic sheets, 17 second bulging rings.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: an anti-leakage sealing joint for fire-fighting pipe fittings, comprising a flange body 1 and a pipe fitting body 12, the top of the flange body 1 is provided with a pipe fitting in the center Channel 2, the top of the flange body 1 is evenly provided with bolt insertion holes 3 along the outer circumferential direction, and the flange body 1, the pipe fitting channel 2 and the bolt insertion holes 3 are integrally formed, as shown in Figure 1, The flange body 1 , the pipe fitting channel 2 , and the bolt insertion holes 3 are integrally formed, and the number of the bolt insertion holes 3 is several.

A first sealing ring 6 is fitted under the inner side of the pipe fitting channel 2 , and an annular cavity 8 is opened in the inner middle section of the pipe fitting passage 2 . , the fitting ring 9 has a semi-ring structure, and the inner side of the fitting ring 9 is fitted with a second sealing ring 10 , and the outer side of the fitting ring 9 is rotated to connect the screw 11 , and the outer end of the screw 11 penetrates the pipe fitting channel 2 , and the two are threadedly connected, one end of the pipe fitting body 12 is inserted into the pipe fitting channel 2, and the inner sides of the first sealing ring 6 and the second sealing ring 10 are attached to the outer side wall of the pipe fitting body 12, and the first sealing ring 6 Both the sealing ring 10 and the second sealing ring 10 are made of elastic materials, and they are closely attached to the outer side wall of the pipe fitting body 12, which can enhance the sealing performance.

The bottom end of the flange body 1 is welded with a sealing groove 4. The sealing groove 4 has an annular cavity structure, and a sealing ring 5 is arranged inside the sealing groove 4. There is a third sealing ring 15 , the specific structural shape is shown in FIG. 2 , the sealing ring 5 is embedded in the sealing groove 4 , and the sealing ring 5 can slide up and down inside the sealing groove 4 .

The inner end of the sealing ring 5 is provided with an elastic sheet 16, the outer end of the third sealing ring 15 is provided with a second bulging ring 17, the inner and outer ends of the elastic sheet 16 are respectively connected with the inner end of the sealing groove 4 and the inner end of the sealing ring 5 For fixed connection, the elastic sheet 16 plays a supporting role, and the third sealing ring 15 and the second bulging ring 17 play a role of enhancing the sealing performance.

The inner surface of the first sealing ring 6 is provided with a first bulging ring 7, the first bulging ring 7 and the first sealing ring 6 are integrally formed, and the first bulging ring 7 and the outer side wall of the pipe fitting body 12 are closely fitted, and the first bulging ring 7 and the first sealing ring 6 are integrally formed. The first bulging ring 7 is closely attached to the outer side wall of the pipe fitting body 12, and its function is the same as that of the second bulging ring 17, both of which play a sealing function.

A first boss 13 is provided on the inside of the pipe fitting channel 2, and a second boss 14 is fixed and sleeved on the outer side of the pipe fitting body 12. The first boss 13 is adhered and fixed to the pipe fitting channel 2. The main body 12 is glued and fixed, and the first boss 13 and the second boss 14 are closely attached. The structure and shape of the first boss 13 and the second boss 14 are shown in FIG. 1 , both of which are annular structure, and the two fit each other.

The circumference radius corresponding to the inner side of the fitting ring 9 is smaller than the inner diameter of the pipe channel 2 , and the two fitting rings 9 together form a complete circular ring structure.

Working principle: In this utility model, by inserting bolts into the bolt holes 3, the flange body 1 is fixed on the outer end of the water outlet, and then one end of the pipe fitting body 12 is inserted into the pipe fitting channel 2, and the first convex The stage 13 and the second boss 14 fit together. Then manually rotate the screws 11 on both sides of the outer side of the pipe fitting channel 2, so that the fitting ring 9 tends to the pipe fitting body 12, the second sealing ring 10 closely fits the outer side wall of the pipe fitting body 12, and at the same time, the first seal below the inside of the pipe fitting channel 2 The ring 6 and the first bulging ring 7 are also closely attached to the outer side wall of the pipe fitting body 12 to improve the tightness of the pipe fitting connection. The bottom end of the flange body 1 is provided with a sealing groove 4, the interior of the sealing groove 4 is provided with a sealing ring 5, the inner end of the sealing ring 5 is provided with an elastic sheet 16, and the outer end of the sealing ring 5 is fitted with a third seal The ring 15, under the support of the elastic sheet 16, the third sealing ring 15 closely fits with the end of the water outlet, preventing the liquid inside the pipeline from leaking from the joint of the pipe fittings, and improving the sealing performance of the jointing of the pipe fittings again.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An anti-leakage sealing connector for fire-fighting pipe fittings, comprising a flange body (1) and a pipe fitting body (12), characterized in that a pipe fitting channel ( 2), the top of the flange body (1) is evenly provided with bolt sockets (3) along the outer circumferential direction, and the flange body (1), the pipe channel (2) and the bolt sockets (3) are three One-piece molding structure, a first sealing ring (6) is fitted on the inner side of the pipe fitting channel (2), and an annular cavity (8) is opened in the middle section of the inner side of the pipe fitting passage (2). The annular cavity (8) ) in the form of a ring-shaped cavity structure, and a fitting ring (9) is arranged on both sides of its interior, the fitting ring (9) is a semi-ring structure, and the inner side of the fitting ring (9) is fitted with a first Two sealing rings (10), the outer side of the fitting ring (9) is connected to the screw (11) by rotation, the outer end of the screw (11) penetrates the pipe fitting channel (2), and the two are screwed together, the pipe fitting body ( One end of 12) is inserted into the pipe fitting channel (2), and the inner sides of the first sealing ring (6) and the second sealing ring (10) are both fitted on the outer side wall of the pipe fitting body (12). 2 . The leak-proof sealing joint for fire protection pipe fittings according to claim 1 , wherein a sealing groove ( 4 ) is welded at the bottom end of the flange body ( 1 ), and the sealing groove is welded. 3 . (4) It has a ring-shaped cavity structure, and a sealing ring (5) is arranged inside the sealing groove (4). ). 3. The leak-proof sealing connector for fire-fighting pipe fittings according to claim 2, characterized in that: the inner end of the sealing ring (5) is provided with an elastic sheet (16), and the third sealing ring ( The outer end of 15) is provided with a second bulging ring (17), and the inner and outer ends of the elastic sheet (16) are respectively fixedly connected to the inner end of the sealing groove (4) and the inner end of the sealing ring (5). 4. The leak-proof sealing connector for fire-fighting pipe fittings according to claim 1, characterized in that: the inner surface of the first sealing ring (6) is provided with a first bulging ring (7), the first bulging ring (7) A bulging ring (7) and the first sealing ring (6) are integrally formed, and the first bulging ring (7) and the outer side wall of the pipe fitting body (12) are closely fitted. 5 . The leak-proof sealing connector for fire-fighting pipe fittings according to claim 1 , wherein a first boss ( 13 ) is arranged above the interior of the pipe fitting channel ( 2 ), and the pipe fitting body ( A second boss (14) is fixedly sleeved on the outer side of 12), the first boss (13) is adhered and fixed to the pipe fitting channel (2), and the second boss (14) is attached to the pipe fitting body (12). ) is pasted and fixed, and the first boss (13) and the second boss (14) are in close contact. 6. The leak-proof sealing connector for fire-fighting pipe fittings according to claim 1, characterized in that: the circumference radius corresponding to the inner side of the fitting ring (9) is smaller than the inner diameter of the pipe fitting channel (2), and The two fitting rings (9) together form a complete circular ring structure.

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