CN208417717U - A kind of portable small gas cylinder direct-injection controlled valve - Google Patents

Abstract

The utility model relates to a kind of portable small gas cylinder direct-injection controlled valves, including valve body, nozzle, the valve body is equipped with air inlet, gas outlet and valve chamber, the nozzle is mounted at the gas outlet of valve body, the bottom inside of the air inlet of the valve body is embedded with the air inlet seat connecting with fuel gas bottle, and the valve body boss where the gas outlet of the valve body is equipped with a perforation connecting for valve body with stove；Valve rod is installed in the valve chamber of the valve body, which is limited in valve chamber by clamping cap；The front end of the valve rod is equipped with cone seal block, the cone seal block is located on the air passage being equipped in valve chamber, the rear end of the valve rod is fixed with handle base by screw, switch handle is connected on the handle base, and on the side both ends for being stuck in handle base of the switch handle stowable；The utility model has the following beneficial effects: the volume of control valve can be made smaller by the handle of setting stowable, carry more convenient.

Description

A kind of portable small gas cylinder direct-injection controlled valve

Technical field

The utility model belongs to valve body technical field more particularly to a kind of portable small gas cylinder direct-injection controlled valve.

Background technique

When climbing the mountain, travelling outdoors, the food that sometimes people would generally carry some solid food or need to hot plate, but hot plate Food generally all needs to carry small-sized fuel gas bottle and gas-cooker, but fuel gas bottle typically needs control valve to control with combustion gas kitchen The size of valve body gas output processed, it will usually install switch handle on control valve, but due to structure design, cause to switch Handle can not be stored, also inconvenient so as to cause inconvenient to carry and assembling；There are also existing control valves in leakproofness and filtering Designed in combustion gas performance it is not reasonable, therefore control valve safety and service life can all be affected.

Summary of the invention

The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of easy to carry, assembling side Just, long-lived portable small gas cylinder direct-injection controlled valve.

The purpose of this utility model is completed by following technical solution, this portable small gas cylinder direct-injection controlled valve Including valve body, nozzle, the valve body is equipped with air inlet, gas outlet and valve chamber, which is mounted at the gas outlet of valve body, institute The bottom inside of the air inlet for the valve body stated is embedded with the air inlet seat connecting with fuel gas bottle, where the gas outlet of the valve body Valve body boss is equipped with a perforation connecting for valve body with stove；Valve rod is installed in the valve chamber of the valve body, the valve rod Through clamping cap limit in valve chamber；The front end of the valve rod is equipped with cone seal block, which is located in valve chamber On the air passage being equipped with, the rear end of the valve rod is fixed with handle base by screw, is connected with out on the handle base Handle is closed, and on the side both ends for being stuck in handle base of the switch handle stowable.

Preferably, external screw thread is equipped at the radial direction of the body of rod of the valve rod, in valve chamber compatible with the external screw thread Wall is equipped with internal screw thread, which is screwed by the internal screw thread of external screw thread and valve chamber, and between the cone seal block and air passage of valve rod It rotates and is realized under screw thread guidance by switch handle and close Open valve effect.

Preferably, being equipped with mandril at the center of the air inlet of the valve body, and the air inlet seat in the air inlet Bottom end the first sealing ring is installed, and first sealing ring is located at the bottom end of air inlet.

Preferably, being equipped with the second sealing for preventing combustion gas from being leaked by valve rod direction at the front end radial direction of the valve rod Circle.

Preferably, being equipped with third sealing ring at the bottom radial direction of the cone seal block of the valve rod.

Preferably, the inner wall of the nozzle is equipped with the nozzle filter cotton layer of impurity in filtering combustion gas.

Preferably, horizontal distribution between the intracorporal air inlet of the valve and gas outlet, and the ventilation in valve chamber Road is between air inlet and gas outlet.

The utility model has the following beneficial effects: the volume of control valve can be made smaller, taken by the handle of setting stowable Band is more convenient；And sealing ring is installed in valve body, so that the sealing performance of control valve is more preferably and durable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the switch handle rounding state structural schematic diagram of the utility model.

Fig. 3 is the switch handle using state structure diagram of the utility model.

Label in attached drawing is respectively as follows: 1, switch handle；2, valve body；3, air inlet seat；4, the first sealing ring；5, mandril；6, Nozzle filter cotton layer；7, nozzle；8, third sealing ring；9, the second sealing ring；10, valve rod；11, clamping cap；12, handle base；13, Screw；21, air inlet；22, gas outlet；23, valve chamber；24, valve body boss；25, it perforates；101, cone seal block；102, outer spiral shell Line；231, air passage；232, internal screw thread.

Specific embodiment

Do detailed introduction to the utility model below in conjunction with attached drawing: as shown in attached drawing 1 to 3, the utility model includes Valve body 2, nozzle 7, the valve body 2 are equipped with air inlet 21, gas outlet 22 and valve chamber 23, which is mounted on the outlet of valve body 2 At mouth 22；The bottom inside of the air inlet 21 of the valve body 2 is embedded with the air inlet seat 3 connecting with fuel gas bottle, structure installation It is extremely convenient reliable, and material used by air inlet seat 3 is copper product；Valve body where the gas outlet 22 of the valve body 2 is convex Platform 24 is equipped with a perforation 25 connecting for valve body 2 with stove, can directly be incorporated after stove be inserted into that positioning pin can be completed can The assembling leaned on；Valve rod 10 is installed in the valve chamber 23 of the valve body 2, which is limited by clamping cap 11 in valve chamber 23 It is interior；The front end of the valve rod 10 is equipped with cone seal block 101, which is located at leading to of being equipped in valve chamber 23 On air flue 231, the rear end of the valve rod 10 is fixed with handle base 12 by screw 13, is connected with out on the handle base 12 Handle 1 is closed, and on the side both ends for being stuck in handle base 12 of 1 stowable of switch handle；Material used by the switch handle 1 Matter is stainless steel material, acts on lower directly supplying handle base using the distinctive elastic force of stainless steel, has flexible foldable effect, Switch operation can be carried out by routing up outward when in use, directly inwardly be collapsed when carrying control valve.

The radial place of the body of rod of the valve rod 10 is equipped with external screw thread 102, in valve chamber 23 compatible with the external screw thread 102 Wall is equipped with internal screw thread 232, which is screwed by external screw thread 102 and the internal screw thread 232 of valve chamber 23, and the taper of valve rod 10 is close It rotates and is realized under screw thread guidance by switch handle 1 between envelope block 101 and air passage 231 and close Open valve effect；Switch When handle 1 rotates clockwise, the cone seal block 101 of valve rod 10 and air passage 231, which are in close contact, at this time realizes that valve is closed；It opens When pass handle 1 rotates counterclockwise, the cone seal block 101 of valve rod 10 is not in contact with each other with air passage 231 at this time, realizes that valve is opened It opens.

Mandril 5 is installed, valve body 2 passes through mandril 5 after connecting gas cylinder at the center of the air inlet 21 of the valve body 2 Valve core structure in gas cylinder is opened, combustion gas is exported；And the bottom end of the air inlet seat 3 in the air inlet 21 is equipped with the first sealing Circle 4, and first sealing ring 4 is located at the bottom end of air inlet 21, prevents the gas leakage after connecting gas cylinder.

The second sealing ring 9 for preventing combustion gas from being leaked by valve rod direction is installed at the front end radial direction of the valve rod 10.

Third sealing ring 8 is installed at the bottom radial direction of the cone seal block 101 of the valve rod 10, increases valve and closes When sealing reliability, effectively improve safety and reliability.

The inner wall of the nozzle 7 is equipped with the nozzle filter cotton layer 6 of impurity in filtering combustion gas, prevents spray orifice blocking, prolongs Long life.

Horizontal distribution between air inlet 21 and gas outlet 22 in the valve body 2, and the air passage in valve chamber 23 231 between air inlet 21 and gas outlet 22 and are connected to, and keep the structure of control valve more compact.

The utility model is not limited to above embodiment, makees any variation no matter constituting in its shape or material, all It is to be designed using structure provided by the utility model, is all a kind of deformation of the utility model, is considered as practical new at this Within type protection scope.

Claims (7)

1. a kind of portable small gas cylinder direct-injection controlled valve, including valve body (2), nozzle (7), the valve body (2) is equipped with air inlet (21), gas outlet (22) and valve chamber (23), the nozzle (7) are mounted at the gas outlet (22) of valve body (2), it is characterised in that: institute The bottom inside of the air inlet (21) for the valve body (2) stated is embedded with the air inlet seat (3) connecting with fuel gas bottle, the valve body (2) Gas outlet (22) where valve body boss (24) be equipped with a perforation (25) being connect for valve body (2) with stove；Described Valve rod (10) are installed in the valve chamber (23) of valve body (2), which is limited in valve chamber (23) by clamping cap (11)；Institute The front end for the valve rod (10) stated is equipped with cone seal block (101), which is located at that valve chamber (23) is interior to be equipped with On air passage (231), the rear end of the valve rod (10) is fixed with handle base (12), the handle base by screw (13) (12) it is connected on switch handle (1), and switch handle (1) stowable is stuck on the side both ends of handle base (12).

2. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: the bar of the valve rod (10) External screw thread (102) are equipped at the radial direction of body, compatible valve chamber (23) inner wall is equipped with internal screw thread (232) with the external screw thread (102), The valve rod (10) is screwed by external screw thread (102) and the internal screw thread (232) of valve chamber (23), and the cone seal block of valve rod (10) (101) it rotates and is realized under screw thread guidance by switch handle (1) between air passage (231) and close Open valve effect.

3. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: the valve body (2) into It is equipped at the center of port (21) mandril (5), and to be equipped with first close for the bottom end of the air inlet seat (3) in the air inlet (21) Seal (4), and first sealing ring (4) is located at the bottom end of air inlet (21).

4. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: before the valve rod (10) The second sealing ring (9) for preventing combustion gas from being leaked by valve rod direction is installed at the radial direction of end.

5. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: the cone of the valve rod (10) Third sealing ring (8) are installed at the bottom radial direction of shape sealing block (101).

6. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: the nozzle (7) it is interior Wall is equipped with the nozzle filter cotton layer (6) of impurity in filtering combustion gas.

7. portable small gas cylinder direct-injection controlled valve according to claim 1, it is characterised in that: in the valve body (2) Horizontal distribution between air inlet (21) and gas outlet (22), and the air passage (231) in valve chamber (23) is located at air inlet (21) between gas outlet (22).