CN213575627U - Resistance to compression leak protection fire hose interface structure - Google Patents

Abstract

The utility model discloses a resistance to compression leak protection fire hose interface structure, including main pedestal body, current-limiting dog, interface body, spiral section of thick bamboo and lead screw, the central point department of putting of main pedestal body bottom is equipped with the current-limiting dog, and the central point department of putting at main pedestal body top is equipped with the spiral section of thick bamboo, and the top of spiral section of thick bamboo extends to the outside of main pedestal body to the inside threaded connection of spiral section of thick bamboo has the lead screw, and the top of lead screw extends to the outside of spiral section of thick bamboo, and the bottom of lead screw extends to the outside of spiral section of thick bamboo and rotates with the top of current-limiting dog to be connected, all install the interface body on the outer wall of main pedestal body both sides, and the contact position department of interface body and main pedestal body. The utility model discloses not only improve the convenience when interface structure uses, reduced the phenomenon that produces the water source and leak when interface structure uses, improved interface structure's application scope moreover.

Description

Resistance to compression leak protection fire hose interface structure

Technical Field

The utility model relates to a fire-fighting equipment technical field specifically is a resistance to compression leak protection fire hose interface structure.

Background

The national standard GB6246-2011 "fire hose" stipulates the performance of connecting the fire hose and the fire hose interface, and it requires that a hydraulic test be carried out under test pressure, and the phenomenon of seepage, blasting or slippage should not take place in the connection of the fire hose and the fire hose interface, in order to ensure its connection effect, therefore need use corresponding interface structure.

Interface structure on the market is various at present, but the functionality is comparatively single, still has certain problem, can't satisfy people's demand gradually, and concrete problem has following several:

(1) the existing interface structure is inconvenient to disassemble and process quickly, so that the maintenance is inconvenient and needs to be improved;

(2) the existing interface structure has common sealing performance, so that the phenomenon of water source leakage is easy to generate, and people are often troubled;

(3) the existing interface structure is inconvenient for adjusting the flow rate of a water source, so that the phenomenon that the interface structure is difficult to apply under partial conditions occurs, and certain limitation is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance to compression leak protection fire hose interface structure to it is not convenient for carry out quick dismantlement in the above-mentioned background art to propose interface structure and handles, the sealing performance is general and the problem of the water source velocity of flow of being not convenient for adjust.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistance to compression leak protection fire hose interface structure, includes main pedestal, current-limiting dog, interface body, spiral cylinder and lead screw, the central point department of putting of main pedestal bottom is equipped with current-limiting dog, and the central point department of putting at main pedestal top is equipped with the spiral cylinder, and the top of spiral cylinder extends to the outside of main pedestal to the inside threaded connection of spiral cylinder has the lead screw, and the top of lead screw extends to the outside of spiral cylinder, and the bottom of lead screw extends to the outside of spiral cylinder and rotates with the top of current-limiting dog and be connected, all install the interface body on the outer wall of main pedestal both sides, and the interface body is equipped with two sets of dismouting structures with the contact position department of main pedestal to be equipped with seal structure on the outer wall of.

Preferably, the inside of dismouting structure is equipped with intercommunicating pore, locking bolt and screw hole in proper order, be equipped with two sets of screw holes on the outer wall of main pedestal body near interface body one side to connect the processing to locking bolt.

Preferably, the outer wall of the interface tube body at the position of the threaded hole is provided with a communicating hole, one end of the communicating hole extends to the outside of the interface tube body, the outer wall of the interface tube body at the position of the communicating hole is provided with a locking bolt, and one end of the locking bolt penetrates through the communicating hole and is in threaded connection with the threaded hole so as to be conveniently disassembled and assembled with the main seat body and the interface tube body.

Preferably, the inside of seal structure is equipped with annular arrangement groove, sealing washer and fastener in proper order, be equipped with annular arrangement groove on the outer wall of interface body to settle the processing to the sealing washer.

Preferably, the central position department of annular arrangement groove inside is equipped with the sealing washer, and the one end of sealing washer extends to the outside of annular arrangement groove, and the both sides inner wall at annular arrangement groove both ends all is fixed with the fastener, and the one end of fastener extends to the inside of sealing washer, has improved interface structure's leakproofness.

Preferably, the top end of the screw rod is provided with a connecting sleeve shaft, and a hand wheel is fixed at one end of the connecting sleeve shaft far away from the screw rod so as to drive the screw rod to rotate.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure-resistant leak-proof fire hose interface structure not only improves the convenience of the interface structure when in use, reduces the phenomenon of water source leakage when the interface structure is in use, but also improves the application range of the interface structure;

(1) through the arrangement of the communicating hole, the locking bolt and the threaded hole, the locking bolt is rotated to be screwed out from the interior of the threaded hole and separated from the interior of the communicating hole, and at the moment, the interface pipe body can be detached from the outer wall of the main base body, so that the interface pipe body can be maintained and repaired, and the convenience of the interface structure in use is improved;

(2) the sealing ring is fixedly arranged inside the annular arranging groove through the fastener, when the fire hose is sleeved on the outer wall of the connector pipe body, the outer wall of the sealing ring can be tightly attached to the inner wall of the fire hose so as to achieve the purpose of sealing, and therefore the phenomenon of water source leakage generated when the connector structure is used is reduced;

(3) through being provided with the hand wheel, connecting sleeve axle, spiral shell, lead screw and current-limiting dog, through manual rotation hand wheel, make it drive the inside rotation that the lead screw is located the spiral shell and shift up through connecting the sleeve axle, and then drive the inside synchronous shift up that the current-limiting dog is located the main base body by the lead screw, the size that opens and shuts of main base body this moment then can change to the velocity of flow at water source is adjusted according to concrete situation of use, thereby has improved interface structure's application scope.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the sectional view and the enlarged structure of the disassembly and assembly structure of the present invention;

fig. 4 is the schematic view of the cross-sectional enlarged structure of the sealing structure of the present invention.

In the figure: 1. a main base body; 2. a flow limiting stopper; 3. a disassembly and assembly structure; 301. a communicating hole; 302. locking the bolt; 303. a threaded hole; 4. an interface tube body; 5. a hand wheel; 6. connecting the sleeve shaft; 7. a sealing structure; 701. an annular placement groove; 702. a seal ring; 703. a fastener; 8. a spiral cylinder; 9. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a compression-resistant leakage-proof fire hose interface structure comprises a main base body 1, a flow-limiting stop block 2, an interface pipe body 4, a spiral cylinder 8 and a screw rod 9, wherein the flow-limiting stop block 2 is arranged at the central position of the bottom of the main base body 1, the spiral cylinder 8 is arranged at the central position of the top of the main base body 1, the top end of the spiral cylinder 8 extends to the outside of the main base body 1, the screw rod 9 is connected to the inner thread of the spiral cylinder 8, the top end of the screw rod 9 extends to the outside of the spiral cylinder 8, the bottom end of the screw rod 9 extends to the outside of the spiral cylinder 8 and is rotatably connected with the top end of the flow-limiting stop block 2, a connecting sleeve shaft 6 is installed at the top end of the screw rod 9, and a hand wheel 5 is fixed at one end;

the outer walls of two sides of the main seat body 1 are both provided with an interface tube body 4, the contact position of the interface tube body 4 and the main seat body 1 is provided with two groups of dismounting structures 3, the inside of each dismounting structure 3 is sequentially provided with a communicating hole 301, a locking bolt 302 and a threaded hole 303, the outer wall of one side, close to the interface tube body 4, of the main seat body 1 is provided with two groups of threaded holes 303, the outer wall of the interface tube body 4 at the position of the threaded hole 303 is provided with a communicating hole 301, one end of the communicating hole 301 extends to the outside of the interface tube body 4, the outer wall of the interface tube body 4 at the position of the communicating hole 301 is provided with the locking bolt;

the locking bolt 302 is screwed out from the inside of the threaded hole 303 and separated from the outside of the communicating hole 301 by rotating the locking bolt 302, and at the moment, the interface pipe body 4 is detached from the outer wall of the main seat body 1, so that the interface pipe body can be maintained and repaired, and the convenience of the interface structure in use is improved;

the outer wall of the interface pipe body 4 is provided with a sealing structure 7, an annular arranging groove 701, a sealing ring 702 and a fastening piece 703 are sequentially arranged inside the sealing structure 7, the outer wall of the interface pipe body 4 is provided with the annular arranging groove 701, the central position inside the annular arranging groove 701 is provided with the sealing ring 702, one end of the sealing ring 702 extends to the outside of the annular arranging groove 701, the fastening piece 703 is fixed on the inner walls of two sides of two ends of the annular arranging groove 701, and one end of the fastening piece 703 extends to the inside of the sealing ring 702;

the sealing ring 702 is fixedly arranged inside the annular arranging groove 701 through the fastener 703, when the fire hose is sleeved on the outer wall of the interface pipe body 4, the outer wall of the sealing ring 702 can be tightly attached to the inner wall of the fire hose, so that the sealing purpose is achieved, and the phenomenon of water source leakage generated when the interface structure is used is reduced.

The working principle is as follows: when the interface structure is used, firstly, the locking bolt 302 is rotated to be screwed out from the inside of the threaded hole 303 and separated from the outside of the communicating hole 301, at the moment, the interface pipe body 4 is detached from the outer wall of the main seat body 1, and then the maintenance treatment can be carried out on the interface pipe body, so that the convenience of the interface structure in use is improved, then, the sealing ring 702 is fixedly arranged inside the annular arranging groove 701 through the fastener 703, when the fire hose is sleeved on the outer wall of the interface pipe body 4, the outer wall of the sealing ring 702 is tightly attached to the inner wall of the fire hose to achieve the purpose of sealing, the phenomenon of water source leakage generated when the interface structure is used is reduced, finally, the hand wheel 5 is manually rotated to drive the screw rod 9 to be positioned inside the spiral cylinder 8 to rotate and move upwards through the connecting sleeve shaft 6, and further, the screw rod 9 drives the current-limiting stop block 2 to be positioned inside the main, the size that opens and shuts of main pedestal 1 then can change this moment to adjust the velocity of flow of water source according to specific in service behavior, improved interface structure's application scope, thereby accomplish interface structure's use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a resistance to compression leak protection fire hose interface structure, includes main pedestal (1), current-limiting dog (2), interface body (4), spiral cylinder (8) and lead screw (9), its characterized in that: the center position department of main pedestal body (1) bottom is equipped with current-limiting stop dog (2), and the center position department at main pedestal body (1) top is equipped with spiral section of thick bamboo (8), and the top of spiral section of thick bamboo (8) extends to the outside of main pedestal body (1), and the inside threaded connection of spiral section of thick bamboo (8) has lead screw (9), and the top of lead screw (9) extends to the outside of spiral section of thick bamboo (8), and the bottom of lead screw (9) extends to the outside of spiral section of thick bamboo (8) and rotates with the top of current-limiting stop dog (2) to be connected, all install interface body (4) on the outer wall of main pedestal body (1) both sides, and interface body (4) are equipped with two sets of dismouting structures (3) with the contact position department of main pedestal body (1) to be equipped with seal structure (7) on.

2. The compression-resistant leak-proof fire hose coupling structure according to claim 1, wherein: the inside of dismouting structure (3) is equipped with intercommunicating pore (301), locking bolt (302) and screw hole (303) in proper order, be equipped with two sets of screw holes (303) on the outer wall of main base body (1) near interface body (4) one side.

3. The compression-resistant leak-proof fire hose coupling structure according to claim 2, wherein: be equipped with intercommunicating pore (301) on interface body (4) outer wall of screw hole (303) position department, the one end of intercommunicating pore (301) extends to the outside of interface body (4), and installs on interface body (4) outer wall of intercommunicating pore (301) position department locking bolt (302), the one end of locking bolt (302) run through intercommunicating pore (301) and with screw hole (303) threaded connection.

4. The compression-resistant leak-proof fire hose coupling structure according to claim 1, wherein: the connector is characterized in that an annular arranging groove (701), a sealing ring (702) and a fastening piece (703) are sequentially arranged inside the sealing structure (7), and the annular arranging groove (701) is formed in the outer wall of the connector pipe body (4).

5. The compression-resistant leak-proof fire hose coupling structure according to claim 4, wherein: the sealing ring (702) is arranged at the center position inside the annular arranging groove (701), one end of the sealing ring (702) extends to the outside of the annular arranging groove (701), fastening pieces (703) are fixed on the inner walls of two sides of two ends of the annular arranging groove (701), and one end of each fastening piece (703) extends to the inside of the sealing ring (702).

6. The compression-resistant leak-proof fire hose coupling structure according to claim 1, wherein: the top end of the screw rod (9) is provided with a connecting sleeve shaft (6), and one end of the connecting sleeve shaft (6) far away from the screw rod (9) is fixed with a hand wheel (5).

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