CN208605639U - A kind of valve stem spacing formula flow control valve - Google Patents
A kind of valve stem spacing formula flow control valve Download PDFInfo
- Publication number
- CN208605639U CN208605639U CN201821098855.2U CN201821098855U CN208605639U CN 208605639 U CN208605639 U CN 208605639U CN 201821098855 U CN201821098855 U CN 201821098855U CN 208605639 U CN208605639 U CN 208605639U
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- valve
- rod
- valve rod
- valve body
- gas outlet
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a kind of valve stem spacing formula flow control valves, including valve body, nozzle, it is equipped with air inlet, gas outlet and valve chamber in the valve body, nozzle is installed at the gas outlet of the valve body, valve rod is installed, and the valve rod is in circumferentially rotate in valve chamber in the valve chamber of the valve body；The front end of the valve rod is located at the river conjunction between the intracorporal air inlet of valve and gas outlet, pin hole is equipped at the rear end radial direction of the valve rod, and be equipped with positioning pin by the pin hole, the positioning pin protrudes from the pin hole；The valve body is equipped with boss in the endface in valve rod direction, and by contact of the positioning pin with boss so that valve rod circumferentially rotates on valve body in 0 to 300 °, and to control the firepower size of gas-cooker；The utility model realizes the accurate control of valve rod angle of revolution.
Description
Technical field
The utility model belongs to valve body technical field more particularly to a kind of valve stem spacing formula flow suitable on gas-cooker
Control valve.
Background technique
The valve rod angle of current gas control valve all without the control for carrying out rotational angle, is opened from by combustion gas to being up to
Minimum, turning circle number are differed by half-turn to 1.5 circles, and with a batch product, there is also biggish angle of revolution deviations；It is applied to furnace
Illustrate panel fire position unintelligible, the defects of firepower quickly can not be adjusted accurately when user's use.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and it is accurate to provide a kind of valve rod angle of revolution
Controllable valve stem spacing formula flow control valve.
The purpose of this utility model is completed by following technical solution, this valve stem spacing formula flow control valve packet
Valve body, nozzle are included, air inlet, gas outlet and valve chamber are equipped in the valve body, spray is installed at the gas outlet of the valve body
Mouth, is equipped with valve rod in the valve chamber of the valve body, and the valve rod in valve chamber in circumferentially rotating；The front end position of the valve rod
At river conjunction between the intracorporal air inlet of valve and gas outlet, it is equipped with pin hole at the rear end radial direction of the valve rod, and pass through
The pin hole is equipped with positioning pin, and the positioning pin protrudes from the pin hole；Endface of the valve body in valve rod direction
Contact equipped with boss, and by positioning pin with boss is so that valve rod circumferentially rotates on valve body in 0 to 300 °, and fires to control
The firepower size of gas kitchen.
Preferably, the valve rod includes inner valve stem, outer valve rod, the front end of the outer valve rod is equipped in connecting
The mounting hole of valve rod, the rear end of outer valve rod are milled with the mounting groove for installing knob；The rear end of the inner valve stem is connected to outer
In the mounting hole that valve rod is opened up, the front end of inner valve stem is located at the river conjunction between the intracorporal air inlet of valve and gas outlet.
Preferably, the front end of the inner valve stem is circular cone structure, the end face of rear end is equipped with flat recess；Described
The body of rod of inner valve stem is equipped with external screw thread, is equipped with internal screw thread in the valve chamber of valve body compatible with the external screw thread, inner valve stem passes through
The internal screw thread of external screw thread and valve chamber screws, between the front end and gas outlet of the inner valve stem by outer valve rod rotate and screw thread guidance under
It realizes and closes Open valve effect.
Preferably, the positioning pin on the radial wall between outer valve rod and inner valve stem, on pin hole is arranged in the pin hole
It is in contact by the rotation of outer valve rod with the boss that valve body is equipped with, and makes inside and outside valve rod on valve body in 0 to 300 ° of circumferential direction
Rotation.
Preferably, be equipped with rubber seal on the body of rod of the inner valve stem, and the rubber seal and valve chamber
Inner wall is in close contact.
Preferably, the valve body is installed at the radial outer end in valve rod direction, there are two be mounted on valve body on stove
Nut.
Preferably, the perpendicular shape of the intracorporal air inlet of the valve and gas outlet is distributed, and the valve of gas outlet and valve body
The horizontal distribution of chamber.
The utility model has the following beneficial effects: using inside and outside valve rod, and the structure that inner valve stem is docked with the gas outlet of valve body,
And boss is equipped on valve body, the organization plan of positioning pin is installed on valve rod, realizes the accurate control of valve rod angle of revolution
System.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A the schematic diagram of the section structure of Fig. 1.
Label in attached drawing is respectively as follows: 1, positioning pin；2, nozzle；3, valve body；4, inner valve stem；5, rubber seal；6, spiral shell
It is female；7, outer valve rod；8, valve rod；31, air inlet；32, gas outlet；33, valve chamber；34, boss；35, internal screw thread；41, flat recess；
42, external screw thread；71, mounting hole；72, mounting groove；81, pin hole.
Specific embodiment
Do detailed introduction below in conjunction with 1,2 pair of the utility model of attached drawing: the utility model includes valve body 3, nozzle 2,
It is equipped with air inlet 31, gas outlet 32 and valve chamber 33 in the valve body 3, nozzle is installed at the gas outlet 32 of the valve body 3
2, valve rod 8 is installed in the valve chamber 33 of the valve body 3, and the valve rod 8 in valve chamber 33 in circumferentially rotating；The valve rod 8
Front end be located at the air inlet 31 in valve body 3 and the river conjunction between gas outlet 32, set at the rear end radial direction of the valve rod 8
There is pin hole 81, and positioning pin 1 is equipped with by the pin hole 81, the positioning pin 1 protrudes from the pin hole 81；The valve
Body 3 is equipped with boss 34 in the endface in 8 direction of valve rod, which plays the role of the positioning of 8 angle of rotation of valve rod and block, and by fixed
Position pin 1 with the contact of boss 34 so that valve rod 8 is in 0 to 300 ° on valve body 3 circumferentially rotates, and it is big to control the firepower of gas-cooker
It is small.
When flow control valve is in close state, there are between certain for boss 34 on the protruding end and valve body 3 of positioning pin 1
Gap plays the role of ensuring to close；When valve rod 8 turns over 300 ° until the boss 34 of 3 upper end of valve body is encountered, at this time for most counterclockwise
High fire state, during rotation, the intensity of a fire are gradually increasing trends from small to large；Above-mentioned gap is stream where positioning pin 1
Circumferential 60 ° of angles between control valve closed state position and 1 place flow control valve of positioning pin most high fire state position.
The valve rod 8 includes inner valve stem 4, outer valve rod 7, and the front end of the outer valve rod 7 is equipped with for connecting inner valve stem 4
Mounting hole 71, the rear end of outer valve rod 7 is milled with the mounting groove 72 for installing knob；The rear end of the inner valve stem 4 is connected to
In the mounting hole 71 that outer valve rod 7 is opened up, the front end of inner valve stem 4 is located at the air inlet 31 in valve body 3 and between gas outlet 32
At river conjunction；The front end of the inner valve stem 4 is circular cone structure, and the end face of rear end is equipped with flat recess 41；The internal valve
The body of rod of bar 4 is equipped with external screw thread 42, is equipped with internal screw thread 35, internal valve in the valve chamber 33 of valve body 3 compatible with the external screw thread 42
Bar 4 is screwed by external screw thread 42 and the internal screw thread 35 of valve chamber 33, passes through outer valve rod 7 between the front end and gas outlet 32 of the inner valve stem 4
It rotates and is realized under screw thread guidance and close Open valve effect；It is engaged through the thread to be able to achieve the going out in valve chamber 33 of inner valve stem 4
Displacement on 32 direction of port, such structure are easily installed and are able to achieve the accurate control of inside and outside valve rod angle of revolution.
It is logical that the positioning pin 1 on the radial wall between outer valve rod 7 and inner valve stem 4, on pin hole 81 is arranged in the pin hole 81
It crosses the rotation of outer valve rod 7 and boss 34 that valve body 3 is equipped with is in contact, and make inside and outside valve rod on valve body 3 in 0 to 300 ° of week
To rotation.
Rubber seal 5, and the inner wall of the rubber seal 5 and valve chamber 33 are installed on the body of rod of the inner valve stem 4
It is in close contact, prevents toward the gas leakage on valve rod direction.
The valve body 3 installs that there are two valve body 3 is mounted on to nut on stove at the radial outer end in 8 direction of valve rod
6, it installs so more convenient.
Air inlet 31 and the perpendicular shape in gas outlet 32 in the valve body 3 are distributed, and the valve chamber of gas outlet 32 and valve body 3
33 horizontal distributions, so that structure is 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 valve stem spacing formula flow control valve, including valve body (3), nozzle (2), the valve body (3) is interior to be equipped with air inlet
(31), gas outlet (32) and valve chamber (33) are equipped with nozzle (2) at the gas outlet (32) of the valve body (3), and feature exists
In: it is equipped with valve rod (8) in the valve chamber (33) of the valve body (3), and the valve rod (8) is in circumferentially rotate in valve chamber (33)；
The front end of the valve rod (8) is located at the river conjunction between the air inlet (31) in valve body (3) and gas outlet (32), described
Pin hole (81) are equipped at the rear end of valve rod (8) is radial, and positioning pin (1), the positioning pin are equipped with by the pin hole (81)
(1) pin hole (81) is protruded from；The valve body (3) is equipped with boss (34) in the endface in valve rod (8) direction, and passes through
Positioning pin (1) with the contact of boss (34) so that valve rod (8) circumferentially rotates on valve body (3) in 0 to 300 °, and to control combustion gas
The firepower size of stove.
2. valve stem spacing formula flow control valve according to claim 1, it is characterised in that: the valve rod (8) includes interior
Valve rod (4), outer valve rod (7), the front end of the outer valve rod (7) are equipped with the mounting hole (71) for connecting inner valve stem (4), outer valve
The rear end of bar (7) is milled with the mounting groove (72) for installing knob；The rear end of the inner valve stem (4) is connected to outer valve rod (7)
In the mounting hole (71) opened up, the front end of inner valve stem (4) is located between the air inlet (31) in valve body (3) and gas outlet (32)
River conjunction at.
3. valve stem spacing formula flow control valve according to claim 2, it is characterised in that: before the inner valve stem (4)
End is circular cone structure, and the end face of rear end is equipped with flat recess (41)；The body of rod of the inner valve stem (4) is equipped with external screw thread
(42), internal screw thread (35) are equipped in the valve chamber (33) of compatible valve body (3) with the external screw thread (42), inner valve stem (4) passes through outer
Screw thread (42) and the internal screw thread (35) of valve chamber (33) screw, and pass through outer valve rod between the front end and gas outlet (32) of the inner valve stem (4)
(7) rotation and the realization closing Open valve effect under screw thread guidance.
4. valve stem spacing formula flow control valve according to claim 2, it is characterised in that: pin hole (81) setting exists
On radial wall between outer valve rod (7) and inner valve stem (4), positioning pin (1) on pin hole (81) by the rotation of outer valve rod (7) with
The boss (34) that valve body (3) is equipped with is in contact, and inside and outside valve rod is circumferentially rotated on valve body (3) in 0 to 300 °.
5. valve stem spacing formula flow control valve according to claim 3, it is characterised in that: the bar of the inner valve stem (4)
It is equipped on body rubber seal (5), and the inner wall of the rubber seal (5) and valve chamber (33) is in close contact.
6. valve stem spacing formula flow control valve according to claim 1, it is characterised in that: the valve body (3) is in valve rod
(8) nut (6) being mounted on valve body (3) there are two being installed at the radial outer end in direction on stove.
7. valve stem spacing formula flow control valve according to claim 1, it is characterised in that: in the valve body (3) into
Port (31) and gas outlet (32) perpendicular shape are distributed, and horizontal point of the valve chamber (33) of gas outlet (32) and valve body (3)
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098855.2U CN208605639U (en) | 2018-07-12 | 2018-07-12 | A kind of valve stem spacing formula flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098855.2U CN208605639U (en) | 2018-07-12 | 2018-07-12 | A kind of valve stem spacing formula flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605639U true CN208605639U (en) | 2019-03-15 |
Family
ID=65668508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098855.2U Active CN208605639U (en) | 2018-07-12 | 2018-07-12 | A kind of valve stem spacing formula flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605639U (en) |
-
2018
- 2018-07-12 CN CN201821098855.2U patent/CN208605639U/en active Active
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| GR01 | Patent grant |