CN210950324U - Fire hose connector - Google Patents

Abstract

The utility model discloses a fire hose connector, which comprises an inner connecting piece and an outer connecting piece sleeved on the inner connecting piece, wherein the inner connecting piece comprises an inner plug inserted into a fire hose, a fixed station connected with the inner plug, a dismounting station connected with the fixed station and an outer connector connected with the fixed station; the outer connecting piece comprises a pressing part which is sleeved outside the fire hose and matched with the inner plug, and a locking platform which is connected with the pressing part and matched with the fixed platform; wherein, the fixed station is connected with the locking platform in a matching way through a threaded connection. The utility model discloses to sticis the part cover and establish in the outside of fire hose, interior plug inserts the fire hose inboard to screw up through the screw thread between locking platform and the fastening platform, realize the connection of fire hose, even atress when realizing fire hose connection has avoided the fire hose to take place at the connection position because the cracked condition of leakage even that the atress inequality caused, has improved the guarantee for the smooth test of fire hose.

Description

Fire hose connector

Technical Field

The utility model relates to a fire-fighting equipment technical field, concretely relates to fire hose connector.

Background

The fire hose is a hose for conveying high-pressure water, foam and other flame-retardant liquids, the fire hose takes rubber as a lining, the outer surface of the fire hose is wrapped by linen, or the fire hose is made of polyurethane and other polymer materials, metal joints are arranged at two ends of the fire hose, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid jet pressure. The performance of the fire hose directly affects the effectiveness of fire rescue, so the performance of the fire hose needs to be tested when the fire hose leaves a factory, and when the fire hose leaves a factory, the fire hose is provided with metal connectors, if the pressure bearing capacity of the fire hose is relatively tested, one end of the fire hose needs to be fixed on the fire hose, and the other end needs to be sealed and plugged, so the pressure bearing capacity can be tested, therefore, a corresponding fire hose connector needs to be designed, and the existing connector generally adopts two compressed pipes with flanges, one pipe is sleeved and compressed on the outer side of the fire hose, the other compressed pipe is inserted into the inner side of the fire hose, and the fire compressed hose is connected between the two compressed pipes in a bolt connection mode, when the two compressed pipes are compressed by a bolt, because the bolt in each position can not guarantee when connecting that simultaneous screwing up makes everywhere atress condition all the same between two pressure pipes, can cause the pressure pipe at the in-process that compresses tightly the fire hose, the position circumference atress that its fire hose is connected is uneven, when the pressure-bearing test of suppressing, causes the leakage of junction or even fracture easily, can not be fine the test requirement of completion fire hose bearing capacity. Therefore, it is necessary to design a device that can ensure that the fire hose is uniformly stressed in the circumferential direction of the connection part when the connection and fixation are performed, so as to ensure the smooth performance of the pressure-bearing test of the fire hose.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a fire hose coupling realizes that fire hose can the even atress in the circumference at the connection position of two links, guarantees that fire hose connection position bears the same tight pressure to provide effectual test guarantee for fire hose's pressure-bearing test.

In order to achieve the above object, the utility model adopts the following technical scheme:

a fire hose connector comprises an inner connector and an outer connector sleeved on the inner connector, wherein the inner connector comprises an inner plug inserted into a fire hose, a fixed table connected with the inner plug, a disassembly table connected with the fixed table and an outer connector connected with the fixed table; the outer connecting piece comprises a pressing part which is sleeved outside the fire hose and matched with the inner plug, and a locking platform which is connected with the pressing part and matched with the fixed platform; the fixing table and the locking table are connected and locked in a matched mode in a threaded connection mode.

Preferably, the fixed table is connected to the inner plug through a bearing, and the inner plug can rotate relative to the fixed table.

Further, the outer wall of the inner plug and the inner wall of the compressing part are in a mutually matched conical structure.

Furthermore, a plurality of printing grooves which are distributed at intervals and used for increasing the friction force of the inner plug are also arranged on the outer wall of the inner plug.

Furthermore, the outer edges of the disassembling table and the locking table are both of square structures.

In particular, the outer joint is a tubular structure provided with external threads for the external connection part.

Specifically, the outer joint can also be a dead end plug and is used for connecting and plugging the fire hose.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses an in-connection spare and outer connecting piece adopt threaded connection's mode to connect, will sticis the part cover and establish the outside at fire hose, interior plug inserts the fire hose inboard, and screw up through the screw thread between locking platform and the fastening platform, thereby sticis the fire hose in the outside of interior plug through sticising the part, sticiss the inner wall of part and the outer wall of interior plug simultaneously and be the toper structure of mutually supporting, when locking platform is tightened up and is locked, the more the locking platform is twisted, the connection of fire hose is tighter, because of the threaded connection's mode that adopts, in the process of screwing up, when sticising part and interior plug and compressing tightly the fire hose, its circumference's atress is impartial, the atress is even when making the fire hose connect, avoided the fire hose to leak the cracked condition emergence even that the atress is uneven because of causing at the connection position, the method improves the guarantee for the smooth test of the fire hose.

(2) The utility model discloses well fixed station passes through the bearing and links to each other with interior plug, but interior plug relatively fixed station rotates, when carrying out fire hose connection, fire hose does not have relative rotation with the fastener, has further improved and has connected extruded atress homogeneity, and simultaneously, still be equipped with many interval distribution on the outer wall of interior plug and be used for increasing the seal groove of its frictional force, has also improved the frictional resistance between fire hose and the interior plug, has improved the steadiness that fire hose connected.

(3) The utility model discloses the outer joint of in-connection union piece both can be the screwed pipe that is used for connecting the equipment of suppressing, also can be the dead end cap that is used for sealed shutoff, has improved the utility model discloses a practicality, simultaneously, the outer fringe that will dismantle platform and locking platform is square structure, has also made things convenient for the joint instrument to the joint of dismantling platform and locking platform, has promoted the connection convenience between locking platform and the fastening platform.

Drawings

Fig. 1 is a schematic view of the structure of the inner connecting member of the present invention.

Fig. 2 is the schematic diagram of the structure of the external connecting piece of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-inner connecting piece, 2-outer connecting piece, 3-inner plug, 4-fixed table, 5-disassembling table, 6-outer joint, 7-pressing part and 8-locking table.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in FIGS. 1-2:

a fire hose connector comprises an inner connector 1 and an outer connector 2, wherein the outer connector is connected to the inner connector through threads; specifically, the inner connecting piece 1 comprises an inner plug 3 inserted into the fire hose, the inner plug 3 is of a hollow tubular structure, after the inner plug 3 is inserted into the fire hose, the inner wall of the fire hose and the outer wall of the inner plug are tightly attached together, pressure transmission of pressurized liquid in the fire hose is achieved through the inner plug, and in order to increase the compression friction force between the outer wall of the inner plug and the inner wall of the fire hose, a plurality of printing grooves distributed at intervals are formed in the outer wall of the inner plug; interior joint 3 is connected with fixed station 4, and the outer wall of fixed station 4 sets up the external screw thread, for the convenience of the connection that sticiss of fire hose, fixed station 4 and interior joint 3 are connected through the bearing, but interior joint 3 relative fixed station 4 rotates to set up the seal groove at the position that fixed station and interior joint are connected, fill the sealing washer in the seal groove, be used for to the fixed station with interior joint be connected the back sealed.

4 fixedly connected with of fixed station dismantles platform 5, dismantles the joint that platform 5 is used for outside instrument, and the atress of the in-connection union piece of being convenient for is fixed, makes things convenient for the threaded connection of in-connection union piece and outer connecting piece, dismantles the joint of platform 5 for the promotion, and the outer fringe of dismantling platform 5 sets up square structure, can make things convenient for instruments such as spanner to the joint of dismantling the platform.

The disassembling table 5 is connected with an outer joint 6, the outer joint 6 can be a tubular structure with external threads or a dead end, and when the outer joint 6 is the tubular structure with the external threads, the outer joint can be connected with an external pressing device; when the outer joint 6 is a dead plug, the outer joint can be used for sealing one end of a fire hose, one end of the fire hose is connected with external pressing equipment, and the other end of the fire hose is sealed and plugged, so that the pressure bearing capacity test of the fire hose can be realized.

The outer connecting piece 2 comprises a pressing part 7 which is sleeved outside the fire hose and matched with the inner plug 3, and a locking platform 8 which is connected with the pressing part 7 and matched with the fixed platform 4; the inner wall of the locking platform is provided with internal threads which are matched with the external threads of the fixed platform to realize a threaded connection structure, meanwhile, in order to facilitate the clamping connection of the locking platform and an external labor-saving tool, the outer edge of the locking platform is provided with a square structure, and the locking platform is clamped by clamping the labor-saving tool such as a wrench and the like, so that the threaded connection between the locking platform and the fixed platform can be realized by the aid of the tool; insert the head 3 inboard with inserting, sticis the part 7 cover and establish in the fire hose outside, locking through the threaded connection of locking platform and fixed station, only pressing the fire hose in insert the head 3 and sticis the part 7 between, realize the connection of fire hose.

In order to realize the threaded connection locking of the locking table and the fixing table, the degree of compaction between the inner plug 3 and the compaction part 7 is increasingly tightened along with the screwing of the threads, and the outer wall of the inner plug 3 and the inner wall of the compaction part 7 are in a mutually matched conical structure.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a fire hose connector which characterized in that: comprises an inner connecting piece (1) and an outer connecting piece (2); the inner connecting piece (1) comprises an inner plug (3) inserted into a fire hose, a fixed table (4) connected with the inner plug (3), a disassembling table (5) connected with the fixed table (4), and an outer joint (6) connected with the fixed table (4); the outer connecting piece (2) comprises a pressing part (7) which is sleeved on the outer side of the fire hose and matched with the inner plug (3), and a locking table (8) which is connected with the pressing part (7) and matched with the fixed table (4); the fixing table (4) and the locking table (8) are matched, connected and locked in a threaded connection mode.

2. A fire hose connector according to claim 1, wherein: the fixed table (4) is connected with the inner plug (3) through a bearing, and the inner plug (3) can rotate relative to the fixed table (4).

3. A fire hose connector according to claim 2, wherein: the outer wall of the inner plug (3) and the inner wall of the pressing part (7) are in mutually matched conical structures.

4. A fire hose connector according to claim 3, wherein: the outer wall of the inner plug (3) is also provided with a plurality of printing grooves which are distributed at intervals and used for increasing the friction force of the inner plug.

5. A fire hose connector according to claim 1, wherein: the outer edges of the disassembling table (5) and the locking table (8) are both square structures.

6. A fire hose connector according to claim 1, wherein: the outer joint (6) is a tubular structure with external threads and is used for an external connecting part.

7. A fire hose connector according to claim 1, wherein: the outer joint (6) is a dead plug and is used for connecting and plugging the fire hose.

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