CN212273146U

CN212273146U - End cover type fire-fighting water separator

Info

Publication number: CN212273146U
Application number: CN202020831900.1U
Authority: CN
Inventors: 张建明
Original assignee: Suzhou City Jieda Fire Protection Vehicle & Equipment Co ltd
Current assignee: Suzhou City Jieda Fire Protection Vehicle & Equipment Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-01
Anticipated expiration: 2030-05-18

Abstract

An end cover type fire-fighting water distributor belongs to the technical field of fire-fighting equipment. The water supply device comprises a matching end cover, a water outlet of the water supply device of the fire engine is matched and connected with the matching end cover in the using state, and a pair of matching end cover cavity water outlets which are mutually corresponding in front and back are arranged on the bottom wall of a matching end cover cavity of the matching end cover; the water distribution interfaces are directly formed on one side of the matching end cover, back to the matching end cover cavity, at the positions corresponding to the water outlets of the matching end cover cavities, and form a front-back corresponding relation; and the pair of water distribution interface opening and closing valves are respectively arranged on the pair of water distribution interfaces and open or close the water outlet of the pair of matching end cover cavities in the matching end cover cavities. The volume of the fire-fighting water separator is reduced, and the occupation of space is saved; the manufacture, the assembly and the inspection and the maintenance are very convenient; the water outlet pressure is ensured.

Description

End cover type fire-fighting water separator

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, concretely relates to end cover formula fire control water knockout drum.

Background

The function and principle of operation of the water separator may be fully understood from a reading of non-limiting examples of patent documents such as CN201607973U (a new water separation port), CN206972979U (a gate valve type safety type water separator), CN209414690U (a high flow water separator) and CN209511257U (fire water separator), to name a few. The foregoing patents, while each having corresponding strengths, have the following general disadvantages: firstly, the overall shape is in a three-fork Y shape, so that the overall volume is relatively large; secondly, as the main parts of the valve, such as a ball valve, a brake valve, a butterfly valve and the like, are arranged inside the water diversion interface, on one hand, the limited space in the water diversion interface is occupied, and on the other hand, both the manufacture and the assembly as well as the daily inspection and the maintenance are troublesome; thirdly, because the inner diameter of the water inlet interface of the water separator is basically equivalent to that of the water separation interface, the pressure of water from the water separation interface is obviously weakened due to the flow separation, and the range of a water outlet of a pipeline matched and connected with the water separation interface is influenced; fourthly, a large transition area which is roughly triangular in shape exists between the water inlet interface and the two water distribution interfaces, so that on one hand, the use amount of manufacturing materials is large, and on the other hand, the lifting and holding in the loading and unloading process are difficult due to the heaviness; fifthly, because the ball valve body and the like are positioned in the water diversion interface, namely in the water diversion interface cavity, the sealing effect of the water diverter can not meet the requirement that the larger the pressure is, the better the sealing is; sixth, the structure is complicated, and thus, the economy is not sufficiently exhibited. In view of the foregoing, there is a need for improvement, and the technical solutions described below are made in this context.

SUMMERY OF THE UTILITY MODEL

The task of the utility model is to provide a help showing and reducing the whole volume and can saving the occupation of space under the standby condition under the prerequisite that does not influence the proper diameter of the water diversion interface, be favorable to avoiding the occupation of the finite space of the valve part to the water diversion interface chamber and convenient to make and assemble and daily inspection and maintenance and can embody good practicality, be favorable to well ensuring the water outlet pressure of the water diversion interface and can ensure the range of the water outlet of the fire-fighting pipeline connected with the water diversion interface, be convenient for not only saving material but also lightening weight and can embody the labor-saving effect of taking and improve the loading and unloading speed in the loading and unloading process, help making the sealing effect of the water diversion interface water inlet part of the water diversion interface and the requirement of the pressure of the water from the water supply device in direct proportion and can avoid the water diversion interface from leaking under the non-opening condition, The end cover type fire-fighting water distributor is beneficial to simplifying the structure and can embody the economical efficiency.

The task of the utility model is accomplished in this way, an end cover type fire-fighting water separator comprises a matching end cover, the matching end cover is matched and connected with the water outlet of the fire-fighting truck water supply device under the using state, and a pair of matching end cover cavity water outlets with the positions corresponding to each other in front and back are arranged on the bottom wall of the matching end cover cavity; the water distribution interfaces are directly formed on one side of the matching end cover, back to the matching end cover cavity, at the positions corresponding to the water outlets of the matching end cover cavities, and form a front-back corresponding relation; and the pair of water distribution interface opening and closing valves are respectively arranged on the pair of water distribution interfaces and open or close the water outlet of the pair of matching end cover cavities in the matching end cover cavities.

In a specific embodiment of the present invention, standard end cap mating pins are formed on the outer wall of the mating end cap and around the circumference of the mating end cap at intervals, and the standard end cap mating pins are mated with the water outlet of the water supply device of the fire fighting truck in the use state; a water diversion interface opening and closing valve matching seat extends from the right side of the pair of water diversion interfaces and the center position of the water outlet of the matching end cover cavity corresponding to the matching end cover cavity arranged on the bottom wall of the matching end cover cavity, and the pair of water diversion interface opening and closing valves are connected with the water diversion interface opening and closing valve matching seat and extend into the matching end cover cavity after sequentially passing through the water diversion interface cavity of the pair of water diversion interfaces and the water outlet of the matching end cover cavity; the area of the matching end cover cavity is larger than the sum of the areas of the water outlets of the matching end cover cavities.

In another specific embodiment of the present invention, the pair of water diversion port opening and closing valves each include a valve rod, a valve rod connection screw sleeve, a valve rod adjustment hand wheel, a valve cap seal ring support disc, a valve cap seal ring and a valve cap, the valve rod connection screw sleeve is disposed in the water diversion port opening and closing valve mating seat, the right end of the valve rod is in threaded fit with the valve rod connection screw sleeve and extends to the right side of the valve rod connection screw sleeve, the left end of the valve rod passes through the valve cap seal ring support disc at the center position corresponding to the water outlet of the pair of mating end cap cavities and constitutes a valve cap actuation ball head, the valve rod adjustment hand wheel is fixed with the right end of the valve rod at the position corresponding to the right side of the valve rod connection screw sleeve, the valve cap seal ring support disc is disposed corresponding to the position of the pair of mating end cap cavities and is coupled with the left end of the, the right side of the valve cover sealing ring is embedded and matched with the left side of the valve cover sealing ring supporting disc, the right side surface of the valve cover sealing ring is in sealing fit with or is not in sealing fit with the bottom wall of the matching end cover cavity, the valve cover is also positioned in the matching end cover cavity, the peripheral edge part of the right side surface of the valve cover is in sealing fit with the left side surface of the valve cover sealing ring, a valve cover fixing seat extends from the center position of the right side of the valve cover, the outer wall of the valve cover fixing seat is in sealing fit with the hole wall of the valve cover sealing ring center hole of the valve cover sealing ring, and a valve cover actuating ball head matching cavity is; the valve cover actuating ball head is matched with the valve cover actuating ball head matching cavity, and the valve cover sealing ring supporting disc is fixed with the right side face of the valve cover fixing seat.

In yet another specific embodiment of the present invention, the outer diameter of the valve cover sealing ring is larger than the inner diameter of the water outlet of the adaptor end cap cavity; and the outer diameter of the valve cover sealing ring supporting disc is smaller than the inner diameter of the water outlet of the matched end cover cavity.

In another specific embodiment of the present invention, a valve rod connecting screw sleeve hole penetrating from the left end to the right end of the valve rod connecting screw sleeve is formed at the central position of the valve rod connecting screw sleeve, a connecting screw sleeve hole sealing ring is provided at the left end of the valve rod connecting screw sleeve hole, a valve rod connecting screw sleeve inner wall thread is formed on the hole wall of the right end, a valve rod outer thread is formed at the right end of the valve rod and in the region corresponding to the valve rod connecting screw sleeve inner wall thread, and the valve rod outer thread is in thread fit with the valve rod connecting screw sleeve inner wall thread; a hand wheel connector is further formed on the right end face of the valve rod, a hand wheel connecting head hole is formed in the center of the valve rod adjusting hand wheel, and the hand wheel connector is inserted into the hand wheel connecting head hole and is locked by a fastener screwed at the tail end of the hand wheel connector in a state of being assisted by a gasket; a sealing cover plate is fixed on the position corresponding to the right side surface of the water dividing interface opening and closing valve matching and connecting seat through a cover plate screw, and a threaded sleeve sealing ring is embedded on the outer wall of the right end of the valve rod connecting threaded sleeve.

In yet another specific embodiment of the present invention, a valve cover sealing ring fitting stack ring is formed on the left side of the valve cover sealing ring supporting disc and around the valve cover sealing ring supporting disc, a valve cover sealing ring fitting groove is formed on the right side of the valve cover sealing ring and around the valve cover sealing ring at a position corresponding to the valve cover sealing ring fitting stack ring, and the valve cover sealing ring fitting groove and the valve cover sealing ring fitting stack ring are fitted; a valve rod abdicating hole is formed in the center of the valve cover sealing ring supporting disc, and the left end of the valve rod penetrates through the valve rod abdicating hole; valve cover fixing seat screws are distributed on the valve cover sealing ring supporting disc at intervals in a circumferential state at positions corresponding to the right side face of the valve cover fixing seat, valve cover fixing seat screw holes are formed in the right side face of the valve cover fixing seat and correspond to the positions of the valve cover fixing seat screws, and the valve cover fixing seat screws are screwed into the valve cover fixing seat screw holes.

In a more specific embodiment of the present invention, a mating end cap seal ring groove is formed on the left side surface of the mating end cap and around the circumferential direction, and a mating end cap seal ring is inserted into the mating end cap seal ring groove; and one ends of the pair of water distribution interfaces far away from the water outlet of the adapting end cover cavity are respectively provided with a water distribution interface adapting flange, one outward side of the water distribution interface adapting flange is provided with a water distribution interface shielding protective cover clamping foot matching groove around the circumferential direction of the pair of water distribution interfaces, and under the non-use state, a water distribution interface water outlet shielding protective cover for shielding the water distribution interface water outlet of the pair of water distribution interfaces is arranged at the position corresponding to the water distribution interface shielding protective cover clamping foot matching groove.

In yet another specific embodiment of the present invention, a sealing ring groove of the water diversion interface adapter flange is formed around the periphery of the water diversion interface adapter flange at the position of the outwardly facing surface of the water diversion interface adapter flange and inside the engaging groove of the blocking pin of the water diversion interface shielding cover, a water diversion interface adapter flange sealing ring is embedded in the water diversion interface adapter flange sealing ring groove, and the wall of the water diversion port shielding cover clamping pin matching groove is also extended with a water diversion port water pipe fast matching clamping pin which extends out of the water diversion port shielding cover clamping pin matching groove at intervals, the side of the water outlet shielding cover of the water distribution interface facing the water distribution interface adapter flange is provided with shielding cover quick adapter pins at intervals, when the pair of water distribution interfaces is in a non-starting state, the water distribution interface water outlet shielding cover covers the position of the water distribution interface water outlet through the matching of the shielding cover quick matching clamping pin and the water distribution interface water pipe quick matching clamping pin.

The utility model discloses a still more and a concrete embodiment on the outer wall of a pair of water distribution interface and respectively be fixed with one at the position that corresponds each other and cover protecting cover chain connecting seat the edge part that water distribution interface delivery port covered the lid is fixed with one and covers protecting cover chain connecting ring, is covering protecting cover chain connecting seat and covering and be connected with a chain between the cover chain connecting ring.

In yet another specific embodiment of the present invention, a handle is fixed between the pair of water distribution ports through a handle seat.

One of the technical effects of the technical proposal provided by the utility model is that the flat matching end cover is adopted, so compared with the Y-shaped structure in the prior art, the volume of the fire-fighting water separator is obviously reduced, and the occupation of space in the standby state is saved; secondly, because the pair of water distribution interface opening and closing valves are arranged in the matching end cover cavity to open or close the water outlet of the matching end cover cavity, the occupation of the limited space of the valve part on the water distribution interface can be obviously reduced, and the valve part is very convenient to manufacture, assemble and daily inspection and maintenance, and has good practicability; thirdly, as the area of the matching end cover cavity is larger than the sum of the areas of the water outlets of the matching end cover cavities, the water outlet pressure can be ensured, and the range of the water outlet of the fire-fighting pipeline matched and connected with the water distribution interfaces can be ensured; fourthly, because the matched end cover is adopted, the weight is reduced, the assembly and disassembly are rapid, and the labor is saved; fifthly, as the pair of water distribution interface opening and closing valves realize the opening or closing of the water outlet of the adapting end cover cavity in the adapting end cover cavity, the requirement that the sealing effect is better when the water supply pressure is higher can be met; sixthly, the whole structure is very simple, so that good economical efficiency can be embodied.

Drawings

Fig. 1 is a structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic assembled external view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic view illustrating the adaptor end cap shown in fig. 1 to 3 being coupled to a water outlet of a water supply device of a fire fighting truck.

Detailed Description

In order to make the technical essence and advantages of the present invention more clear, the applicant below describes in detail the embodiments, but the description of the embodiments is not a limitation of the present invention, and any equivalent changes made according to the inventive concept, which are only formal and not essential, should be considered as the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position states shown in fig. 1 and 3, and thus, they should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 1 to 3, a flat-shaped adaptor end cap 1 (also referred to as an "adaptor end plate", the same applies hereinafter) is shown, the adaptor end cap 1 is adapted to the water outlet 5 of the fire fighting truck water supply device illustrated in fig. 4 in a use state, and a pair of adaptor end cap cavity water outlets 1111 (shown in fig. 3) corresponding to each other in front and back positions is opened on an adaptor end cap cavity bottom wall 111 of the adaptor end cap cavity 11 of the adaptor end cap 1; a pair of water diversion interfaces 2 is shown, the water diversion interfaces 2 are directly formed on one side of the adapting end cover 1, which is back to the adapting end cover cavity 11, at the positions corresponding to the water outlets 1111 of the adapting end cover cavity, and the water diversion interfaces 2 form a front-back corresponding relation with each other, namely a relation like a gamma shape; a pair of water diversion port opening and closing valves 3 are shown, the pair of water diversion port opening and closing valves 3 are respectively arranged on the pair of water diversion ports 2, and the pair of water diversion port opening and closing valves 3 open or close the pair of water outlet ports 1111 of the mating end cover cavity 11.

As can be seen from the above description and with reference to fig. 1 and 3, the pair of mating end cover cavity water outlets 1111 are water distribution port water inlets of the pair of water distribution ports 2.

Continuing to refer to fig. 1 and 3, standard end cap mating pins 12 are formed on the outer wall of the mating end cap 1 and at intervals around the circumference of the mating end cap 1, and the standard end cap mating pins 12 are mated with the quick mating pins 51 of the water outlet of the water supply device on the water outlet 5 of the fire fighting truck shown in fig. 4 in the use state; a water diversion interface opening and closing valve matching and connecting seat 21 respectively extends from the right side of the pair of water diversion interfaces 2 and the center position of the pair of matching end cover cavity water outlets 1111 which are arranged on the matching end cover cavity bottom wall 111 of the matching end cover cavity 11, the pair of water diversion interface opening and closing valves 3 are respectively connected with the water diversion interface opening and closing valve matching and connecting seat 21 and extend into the matching end cover cavity 11 after sequentially passing through a water diversion interface cavity 22 and a matching end cover cavity water outlet 1111 of the pair of water diversion interfaces 2; the area of the matching end cover cavity 11, that is, the circular area of the matching end cover cavity 11 is larger than the sum of the areas of the pair of matching end cover cavity water outlets 1111, that is, the circular areas of the pair of matching end cover cavity water outlets 1111.

The pair of water diversion port opening and closing valves 3 respectively comprise a valve rod 31, a valve rod connecting threaded sleeve 32, a valve rod adjusting hand wheel 33, a valve cover sealing ring supporting disc 34, a valve cover sealing ring 35 and a valve cover 36, the valve rod connecting threaded sleeve 32 is arranged in the water diversion port opening and closing valve matching seat 21, the right end of the valve rod 31 is in threaded fit with the valve rod connecting threaded sleeve 32 and extends to the right side of the valve rod connecting threaded sleeve 32, the left end of the valve rod 31 penetrates through the valve cover sealing ring supporting disc 34 at the central position corresponding to the pair of matching end cover cavity water outlets 1111 and forms a valve cover actuating bulb 311, the valve rod adjusting hand wheel 33 is fixed with the right end of the valve rod 31 at the position corresponding to the right side of the valve rod connecting threaded sleeve 32, the valve cover sealing ring supporting disc 34 is arranged in a left-right displacement manner corresponding to the positions of the pair of matching end cover cavity water outlets 1111 and is connected with the left end of, the right side of the valve cover sealing ring 35 is embedded with the left side of the valve cover sealing ring supporting disc 34, the right side surface of the valve cover sealing ring 35 is in sealing fit or sealing release fit with the bottom wall 111 of the matching end cover cavity, the valve cover 36 is also positioned in the matching end cover cavity 11, the peripheral edge part of the right side surface of the valve cover 36 is in sealing fit with the left side surface of the valve cover sealing ring 35, a valve cover fixing seat 361 extends from the right center position of the valve cover 36, the outer wall of the valve cover fixing seat 361 is in sealing fit with the hole wall of a valve cover sealing ring center hole 351 of the valve cover sealing ring 35, and a valve cover actuating ball head matching cavity 362 is formed in the center position of the valve cover fixing seat; the bonnet actuating ball 311 is engaged with the bonnet actuating ball engaging cavity 362, and the bonnet seal supporting disk 34 is fixed to the right side surface of the bonnet fixing seat 361.

The outer diameter of the valve cover sealing ring 35 is larger than the inner diameter of the water outlet 1111 of the matched end cover cavity; the outer diameter of the bonnet seal support disk 34 is less than the inner diameter of the mating end cap cavity outlet 1111.

As shown in fig. 1, the valve cover gasket support disc 34 has a two-piece semi-circular configuration, which is essentially formed by the manufacturing process, because the two-piece valve cover gasket support disc 34 facilitates the positioning of the valve cover actuating ball 311 on the valve stem 31 to the left of the valve cover gasket support disc 34, such that the valve cover gasket support disc 34 is formed as a unitary structure from the previous two-piece structure after assembly, i.e., after being secured to the valve cover retaining seat 361 of the valve cover 36. Based on the foregoing, if the bonnet actuating bulb 311 and the valve stem 31 are formed as separate bodies, and then they are screwed together, for example, by forming a central threaded hole in the left end of the valve stem 31, and forming a bulb coupling shank having an external thread on the right side of the bonnet actuating bulb 311, then the bonnet seal support disc 34 can be pre-machined as a unitary structure in this manner, because the two bonnet seal support discs 34 of the respective structures also actually form a unitary structure as shown in fig. 3 after the assembly is completed.

Continuing to refer to fig. 1 and 3, a valve stem connection screw sleeve hole 321 penetrating from the left end to the right end of the valve stem connection screw sleeve 32 is formed at the central position of the valve stem connection screw sleeve 32, a connection screw sleeve hole sealing ring 3211 is arranged at the left end of the valve stem connection screw sleeve hole 321, a valve stem connection screw sleeve inner wall thread 3212 is formed on the hole wall of the right end, a valve stem external thread 312 is formed at the right end of the valve stem 31 and in the region corresponding to the valve stem connection screw sleeve inner wall thread 3212, and the valve stem external thread 312 is in threaded fit with the valve stem connection screw sleeve inner wall thread 3212; a hand wheel connecting head 313 is formed on the right end face of the valve rod 31, a hand wheel connecting head hole 331 is formed in the center of the valve rod adjusting hand wheel 33, the hand wheel connecting head 313 is inserted into the hand wheel connecting head hole 331 and locked by a fastening element 3131 such as a screw screwed on the end of the hand wheel connecting head 313 with the aid of a gasket 31311; a sealing cover plate 211 is fixed to a position corresponding to the right side surface of the valve seat 21 by a cover plate screw 2111, and a sleeve seal 323 is fitted to the right outer wall of the stem connecting sleeve 32.

A valve cover sealing ring embedding stacked ring 341 is formed on the left side of the valve cover sealing ring supporting disc 34 and around the valve cover sealing ring supporting disc 34, a valve cover sealing ring embedding groove 352 is formed on the right side of the valve cover sealing ring 35 and around the valve cover sealing ring 35 at the position corresponding to the valve cover sealing ring embedding stacked ring 341, and the valve cover sealing ring embedding groove 352 is embedded and matched with the valve cover sealing ring embedding stacked ring 341; a valve rod relief hole 342 is formed at the center of the bonnet seal supporting disk 34, and the left end of the valve rod 31 passes through the valve rod relief hole 342; valve cover fixing base screws 343 are circumferentially spaced from each other on the valve cover seal ring supporting plate 34 at positions on the right side of the valve cover fixing base 361, valve cover fixing base screw holes 3611 are formed in the right side of the valve cover fixing base 361 at positions corresponding to the valve cover fixing base screws 343, and the valve cover fixing base screws 343 are screwed into the valve cover fixing base screw holes 3611.

Preferably, a ball retainer 344 (shown in fig. 3) is formed in a central position on the left side of the bonnet seal support disc 34 and in a position corresponding to the bonnet actuating ball 311, and the ball retainer 344 serves to protect the bonnet actuating ball 311.

A matching end cover sealing ring groove 13 is arranged on the left side surface of the matching end cover 1 and around the circumferential direction, and a matching end cover sealing ring 131 is embedded in the matching end cover sealing ring groove 13; a water diversion interface adapter flange 23 is formed at one end of the pair of water diversion interfaces 2 far away from the water outlet 1111 of the adapter end cover cavity, a water diversion interface shielding cover clamping pin matching groove 231 is formed at one side (the side back to the water diversion interface water outlet 24) of the water diversion interface adapter flange 23 facing outwards and surrounds the circumferential direction of the pair of water diversion interfaces 2, and a water diversion interface water outlet shielding cover 4 for shielding the water diversion interface water outlet 24 of the pair of water diversion interfaces 2 is arranged at the position corresponding to the water diversion interface shielding cover clamping pin matching groove 231 in the non-use state.

A water diversion interface adapter flange sealing ring groove 232 is arranged around the periphery of the water diversion interface adapter flange 23 at the position of the outward-facing surface of the water diversion interface adapter flange 23 and at the inner side of the clamping pin matching groove 231 of the water diversion interface shielding cover, a water diversion interface adapter flange seal ring 2321 is embedded in the water diversion interface adapter flange seal ring groove 232, and the water-dividing interface water pipe fast-matching clamping pins 233 extending out of the water-dividing interface shielding cover clamping pin matching groove 231 are also extended at intervals on the groove wall of the water-dividing interface shielding cover clamping pin matching groove 231, a fast-matching clamp pin 41 for shielding cover is formed at an interval on one side of the water-dividing interface water outlet shielding cover 4 facing the water-dividing interface matching flange 23, when the pair of water distribution interfaces 2 is in a non-starting state, the water distribution interface water outlet shielding cover 4 is covered at the position of the water distribution interface water outlet 24 through the matching of the shielding cover quick matching clamping pin 41 and the water distribution interface water pipe quick matching clamping pin 233.

Referring to fig. 2 and fig. 1, a covering cover chain connecting base 25 is fixed on each of the outer walls of the pair of water diversion ports 2 at the corresponding positions, a covering cover chain connecting base 42 is fixed at the edge of the water diversion port water outlet covering cover 4, and a chain 251 is connected between the covering cover chain connecting base 25 and the covering cover chain connecting base 42.

Preferably, a handle 26 is fixed between the pair of water diversion ports 2 through a handle seat 261, and a handle seat connecting seat 2611 for fixing the handle seat 261 is also shown in fig. 1, and the handle seat 261 is fixed to the handle seat connecting seat 2611 by a handle seat fixing screw 2612.

Referring to fig. 4, fig. 4 shows the water outlet 5 of the above-mentioned water supply device of the fire fighting truck, which can be a water supply pump of the fire fighting truck, a main water outlet pipe of the fire fighting truck, or other similar devices.

The applicant describes the usage of the present invention with reference to fig. 1 to 4, and when the present invention is to be used, the fire fighter will match the matching end cap 1 of the present invention with the aforementioned fast matching end cap 51 (i.e. the standard matching end cap of the water supply device) through the aforementioned standard matching end cap 12. When a pair of water distribution interfaces 2 is to be started, the water distribution interface water outlet shielding cover 4 on the pair of water distribution interfaces 2 is removed, and if only one water distribution interface 2 in the pair of water distribution interfaces 2 is needed, the water distribution interface water outlet shielding cover 4 on one water distribution interface in the pair of water distribution interfaces 2 is removed, and the water hose adapter at one end of the fire hose is connected with the water distribution interface water pipe quick connection clamping foot 233.

After the above-mentioned work is finished, and under the water supply state of the fire engine, the fire fighter rotates the valve stem regulating hand wheel 33, the valve stem 31 is driven by the valve stem regulating hand wheel 33 to move leftwards, the valve stem actuating bulb 311 pushes the valve cap 36, because the valve cap seal ring supporting disc 34, the valve cap seal ring 35 and the valve cap 36 are connected together, when the valve stem actuating bulb 311 pushes the valve cap 36 to move leftwards, the valve cap seal ring 35 and the valve cap seal ring supporting disc 34 also move leftwards correspondingly, namely, towards the adapting end cap cavity 11, the valve cap seal ring 35 releases the seal with the adapting end cap cavity bottom wall 111, the adapting end cap cavity water outlet 1111 introduces the water into the water diversion adapting cavity 22, and the water diversion interface water outlet 24 introduces the fire hose. The greater the degree to which the bonnet actuation bulb 311 of the valve stem 31 displaces the bonnet 36, bonnet seal 35, and bonnet seal support disc 34 to the left, the greater the degree to which the mating end cap cavity outlet 1111 is opened, and vice versa.

To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.

Claims

1. An end cover type fire-fighting water distributor is characterized by comprising a matching end cover (1), wherein the matching end cover (1) is matched and connected with a water outlet of a fire fighting truck water supply device in a use state, and a pair of matching end cover cavity water outlets (1111) which are mutually corresponding in front and back are arranged on the matching end cover cavity bottom wall (111) of a matching end cover cavity (11) of the matching end cover (1); the pair of water distribution interfaces (2) are directly formed on one side, back to the matching end cover cavity (11), of the matching end cover (1) at the positions corresponding to the pair of matching end cover cavity water outlets (1111), and the pair of water distribution interfaces (2) form a front-back corresponding relation with each other; the pair of water distribution port opening and closing valves (3) are respectively arranged on the pair of water distribution ports (2), and the pair of water distribution port opening and closing valves (3) open or close the pair of matching end cover cavity water outlets (1111) in the matching end cover cavity (11).

2. The end cover type fire-fighting water distributor according to claim 1, wherein standard end cover mating clamping pins (12) are formed on the outer wall of the mating end cover (1) and at intervals along the circumferential direction of the mating end cover (1), and the standard end cover mating clamping pins (12) are matched with the water outlet of the fire fighting truck water supply device in a use state; a water diversion interface opening and closing valve adapting seat (21) extends from the right side of the pair of water diversion interfaces (2) and the center position of the pair of adapting end cover cavity water outlets (1111) which are arranged on the adapting end cover cavity bottom wall (111) of the adapting end cover cavity (11), the pair of water diversion interface opening and closing valves (3) are connected with the water diversion interface opening and closing valve adapting seat (21) and extend into the adapting end cover cavity (11) after sequentially passing through the water diversion interface cavity (22) of the pair of water diversion interfaces (2) and the pair of adapting end cover cavity water outlets (1111); the area of the matching end cover cavity (11) is larger than the sum of the areas of the water outlets (1111) of the matching end cover cavities.

3. The end cap type fire-fighting water separator according to claim 2, wherein the pair of water separation port opening and closing valves (3) each comprise a valve rod (31), a valve rod connecting threaded sleeve (32), a valve rod adjusting hand wheel (33), a valve cap sealing ring supporting disc (34), a valve cap sealing ring (35) and a valve cap (36), the valve rod connecting threaded sleeve (32) is arranged in the water separation port opening and closing valve mating seat (21), the right end of the valve rod (31) is in threaded fit with the valve rod connecting threaded sleeve (32) and extends to the right side of the valve rod connecting threaded sleeve (32), the left end of the valve rod (31) penetrates through the valve cap sealing ring supporting disc (34) at a central position corresponding to the pair of mating end cap cavity water outlets (1111) and forms a valve cap actuating bulb (311), the valve rod adjusting hand wheel (33) is fixed with the right end of the valve rod (31) at a position corresponding to the right side of the valve rod connecting threaded sleeve (32, a valve cover sealing ring supporting disc (34) is arranged corresponding to the position of the water outlet (1111) of the pair of matching end cover cavities in a left-right displacement mode and is connected with the left end of the valve rod (31), a valve cover sealing ring (35) is positioned in the matching end cover cavity (11), the right side of the valve cover sealing ring (35) is embedded and matched with the left side of the valve cover sealing ring supporting disc (34), the right side surface of the valve cover sealing ring (35) is also in sealing fit or sealing release fit with the bottom wall (111) of the matching end cover cavity, a valve cover (36) is also positioned in the matching end cover cavity (11), the peripheral edge part of the right side surface of the valve cover (36) is in sealing fit with the left side surface of the valve cover sealing ring (35), a valve cover fixing seat (361) extends from the right side central position of the valve cover (36), the outer wall of the valve cover fixing seat (361) is in sealing fit with the hole wall of a valve cover central hole, a valve cover actuating ball head matching cavity (362) is formed in the center of the valve cover fixing seat (361); the valve cover actuating ball head (311) is matched with the valve cover actuating ball head matching cavity (362), and the valve cover sealing ring supporting disc (34) is fixed with the right side face of the valve cover fixing seat (361).

4. The end cap fire service water separator as defined in claim 3 wherein the bonnet seal (35) has an outer diameter greater than the inner diameter of the mating end cap cavity outlet (1111); and the outer diameter of the valve cover sealing ring supporting disc (34) is smaller than the inner diameter of the water outlet (1111) of the matching end cover cavity.

5. The end cap type fire-fighting water separator according to claim 3, wherein a valve rod connecting screw sleeve hole (321) penetrating from the left end to the right end of the valve rod connecting screw sleeve (32) is formed in the center of the valve rod connecting screw sleeve (32), a connecting screw sleeve hole sealing ring (3211) is arranged at the left end of the valve rod connecting screw sleeve hole (321), a valve rod connecting screw sleeve inner wall thread (3212) is formed on the hole wall of the right end, a valve rod external thread (312) is formed at the right end of the valve rod (31) and in the region corresponding to the valve rod connecting screw sleeve inner wall thread (3212), and the valve rod external thread (312) is in threaded fit with the valve rod connecting screw sleeve inner wall thread (3212); a hand wheel connecting head (313) is further formed on the right end face of the valve rod (31), a hand wheel connecting head hole (331) is formed in the center of the valve rod adjusting hand wheel (33), the hand wheel connecting head (313) is inserted into the hand wheel connecting head hole (331) and is locked by a fastening piece (3131) screwed at the tail end of the hand wheel connecting head (313) in a state of being assisted by a gasket (31311); a sealing cover plate (211) is fixed at the position corresponding to the right side surface of the water distribution interface opening and closing valve adapting seat (21) through a cover plate screw (2111), and a threaded sleeve sealing ring (323) is embedded on the outer wall of the right end of the valve rod connecting threaded sleeve (32).

6. The end cover type fire-fighting water distributor according to claim 3, wherein a valve cover sealing ring embedding stacked ring (341) is formed on the left side of the valve cover sealing ring supporting disc (34) and around the periphery of the valve cover sealing ring supporting disc (34), a valve cover sealing ring embedding groove (352) is formed on the right side of the valve cover sealing ring (35) and around the periphery of the valve cover sealing ring (35) at the position corresponding to the valve cover sealing ring embedding stacked ring (341), and the valve cover sealing ring embedding groove (352) is embedded and matched with the valve cover sealing ring embedding stacked ring (341); a valve rod abdicating hole (342) is formed in the center of the valve cover sealing ring supporting disc (34), and the left end of the valve rod (31) penetrates through the valve rod abdicating hole (342); valve cover fixing seat screws (343) are distributed on the valve cover sealing ring supporting disc (34) at intervals in a circumferential state at positions corresponding to the right side face of the valve cover fixing seat (361), valve cover fixing seat screw holes (3611) are formed in the right side face of the valve cover fixing seat (361) and at positions corresponding to the valve cover fixing seat screws (343), and the valve cover fixing seat screws (343) are screwed into the valve cover fixing seat screw holes (3611).

7. The end cover type fire-fighting water distributor according to claim 1 or 2, wherein a matching end cover sealing ring groove (13) is formed on the left side surface of the matching end cover (1) and around the circumferential direction, and a matching end cover sealing ring (131) is embedded in the matching end cover sealing ring groove (13); one end of the pair of water distribution interfaces (2) far away from the matching end cover cavity water outlet (1111) is respectively provided with a water distribution interface matching flange (23), one side of the water distribution interface matching flange (23) facing outwards surrounds the circumferential direction of the pair of water distribution interfaces (2) and is respectively provided with a water distribution interface shielding cover clamping foot matching groove (231), and under the non-use state, a water distribution interface water outlet shielding cover (4) used for shielding the water distribution interface water outlet (24) of the pair of water distribution interfaces (2) is arranged at the position corresponding to the water distribution interface shielding cover clamping foot matching groove (231).

8. The end cap type fire-fighting water separator according to claim 7, wherein a water diversion interface adapter flange sealing ring groove (232) is formed around the periphery of the water diversion interface adapter flange (23) at the position of the outward-facing surface of the water diversion interface adapter flange (23) and inside the water diversion interface shielding cover clamping pin matching groove (231), a water diversion interface adapter flange sealing ring (2321) is embedded in the water diversion interface adapter flange sealing ring groove (232), a water diversion interface water pipe fast adapter clamping pin (233) extending out of the water diversion interface shielding cover clamping pin matching groove (231) is further extended on the wall of the water diversion interface shielding cover clamping pin matching groove (231) at intervals, a shielding fast clamping cover (41) is formed at one side of the water diversion interface water outlet shielding cover (4) facing the water diversion interface adapter flange (23) at intervals, when the pair of water distribution interfaces (2) is in a non-starting state, the water distribution interface water outlet shielding cover (4) is covered at the position of the water distribution interface water outlet (24) through the matching of the shielding cover quick matching clamping pin (41) and the water distribution interface water pipe quick matching clamping pin (233).

9. The end cover type fire-fighting water distributor according to claim 8, wherein a shield cover chain connecting seat (25) is fixed on the outer wall of the pair of water distribution ports (2) and at the corresponding position, a shield cover chain connecting ring (42) is fixed at the edge part of the water distribution port water outlet shield cover (4), and a chain (251) is connected between the shield cover chain connecting seat (25) and the shield cover chain connecting ring (42).

10. An end cap fire service water knockout drum according to claim 1 or 2 or 8 or 9, characterized in that a handle (26) is fixed between the pair of water knockout drums (2) through a handle seat (261).