Multifunctional gas control valve

Abstract

The utility model discloses a multifunctional gas control valve which comprises a valve body, a valve element body is movably connected in the valve body, the valve body is provided with a gas inlet pipe, a gas outlet pipe, a flow adjusting pipe and a butt joint pipe which are communicated with the interior of the valve body, the butt joint pipe is communicated with the gas inlet pipe, and at least one limiting face is formed on the outer wall of the butt joint pipe. The operating rod is connected with the valve core body; a butt joint hole is formed in the top face of the air inlet pipe in a penetrating mode, the butt joint pipe is connected to the inner wall of the butt joint hole in a sealed and sleeved mode, and the limiting face abuts against the inner wall of the butt joint hole; an insertion hole is formed in the bottom face of the air inlet pipe in a penetrating mode, the fastening piece penetrates through the insertion hole and is detachably connected with the butt joint pipe, and the fastening piece is provided with a sealing disc covering and sealing the insertion hole. According to the multifunctional gas control valve, the limiting face abuts against the inner wall of the butt joint hole, so that the limiting valve body is prevented from shaking relative to the gas inlet pipe due to impact of external force, and stability and safety of the control valve in the using process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas valve technical field, especially a kind of multifunctional gas control valve. BACKGROUND

[0002] The main role of gas control valve is to open and close gas passage, adjust gas flow. General gas valve includes valve body, valve core body and push rod connected with valve core body, by pushing and rotating the push rod, gas passage in valve body and gas amount in gas passage can be connected and adjusted, the front of push rod is provided with an ignition device, when push rod is pushed forward, the end surface of push rod contacts the button of ignition device, so as to trigger ignition device to ignite gas. However, the connection of existing gas control valve and air inlet channel mostly adopts saddle type or threaded type interface, although this method can ensure the flow of gas, but in use process, valve body affected by external force can shake relative to air inlet channel, which affects the stability and safety of control valve. SUMMARY

[0003] The utility model discloses a kind of multifunctional gas control valves to solve the technical deficiency of above-mentioned, limit surface and the inner wall of butt joint hole are in contact, so as to limit valve body avoid its be impacted by external force and shake relative to inlet pipe, ensure the stability and safety of the control valve in use process.

[0004] To solve the above technical problems, the technical scheme of the utility model is: a kind of multifunctional gas control valve, comprising:

[0005] Valve body, the valve core body is movably connected in the valve body, the valve body is provided with air inlet pipe, gas outlet pipe, flow regulating pipe and butt joint pipe communicated with its inside, the butt joint pipe is communicated with the air inlet pipe, and the outer wall of the butt joint pipe is formed with at least one limit surface;

[0006] Operating rod, the operating rod is connected with the valve core body, the operating rod presses and rotates the valve core body to control the opening and closing of the gas outlet pipe and the flow regulating pipe;

[0007] Inlet pipe, the top surface of the inlet pipe is penetrated with butt joint hole, the butt joint pipe is sealed and sleeved on the inner wall of the butt joint hole, and the limit surface is in contact with the inner wall of the butt joint hole, the part of the butt joint pipe inserted into the inlet pipe is penetrated with inlet hole;

[0008] Fastener, the bottom surface of the inlet pipe is penetrated with insertion hole, the insertion hole is coaxially arranged with the port of the butt joint pipe, the fastener passes through the insertion hole and is detachably connected with the butt joint pipe, and the fastener is provided with sealing disc covering and sealing the insertion hole.

[0009] Preferably, the top surface and the bottom surface of the air inlet pipe are both flat surfaces, and the fastener is in threaded connection with the port of the air connection pipe.

[0010] Preferably, the air connection pipe is fixedly connected to the bottom surface of the valve body, and the bottom surface of the valve body is provided with a sealing ring abutting against the top surface of the air inlet pipe; the inner side wall of the sealing disc is provided with an outwardly protruding sealing ring abutting against the bottom surface of the air inlet pipe.

[0011] Preferably, the number of the limiting surfaces is several, and the several limiting surfaces are arranged in a regular polygonal shape.

[0012] Preferably, the port of the flow regulating pipe is provided with an adjusting valve capable of adjusting the air outlet amount of the flow regulating pipe.

[0013] Preferably, the port of the air inlet pipe is provided with a solenoid valve for flameout protection, and the movable end of the valve core body pushes the solenoid valve to open the air inlet pipe.

[0014] Preferably, the valve body is internally formed with a movable cavity, the inner wall of the movable cavity is in the shape of an internal tapered hole, the valve core body is slidingly and rotatably connected in the movable cavity, the valve core body and the operating rod are in sleeve joint, the valve core body is provided with a guide groove extending along the axial direction thereof, and the operating rod is provided with a guide column slidingly connected in the guide groove.

[0015] Preferably, the valve core body is penetrated by a first gas distribution hole corresponding to the air outlet pipe, and the valve core body is penetrated by a second gas distribution hole corresponding to the flow regulating pipe.

[0016] Preferably, an operating rod is movably sleeved in the valve core body, the operating rod is the movable end of the valve core body, the end of the operating rod close to the operating rod is formed with an abutting piece, an elastic piece is arranged between the abutting piece and the valve core body, and the abutting piece abuts against the operating rod.

[0017] Preferably, the ignition device comprises an end cover, a mounting plate, a micro switch, and a switch plate, the movable cavity is penetrated by a mounting port, the end cover is detachably connected to the valve body to cover the mounting port, the end cover is penetrated by a movable hole for sleeving the operating rod, the mounting plate is fixedly connected to the end cover, the micro switch is fixedly connected to the mounting plate, and the switch plate is fixedly connected to the operating rod and abuts against the micro switch.

[0018] A guide structure is arranged between the mounting plate and the switch plate, and the guide structure comprises a guide hole and a guide strip inserted into the guide hole.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] The multifunctional gas control valve is sealed and connected with the butt joint pipe and the butt joint hole, the valve body is assembled on the gas inlet pipe, the fastener is connected with the butt joint pipe through the insertion hole, the valve body is tightly contacted with the gas inlet pipe, the sealing disc covers and seals the insertion hole, the effective sealing between the gas inlet pipe and the valve body is ensured, the sealing performance of the control valve is improved, the limiting surface is contacted with the inner wall of the butt joint hole, the valve body is limited and avoided from shaking relative to the gas inlet pipe under the external force impact, and the stability and safety of the control valve during use are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structure schematic of the control valve in the embodiment Figure 1 ;

[0022] Figure 2 is the structure schematic of the control valve in the embodiment Figure 2 ;

[0023] Figure 3 is the sectional view of the control valve in the embodiment Figure 1 ;

[0024] Figure 4 is the enlarged view of A area in the embodiment Figure 3 ;

[0025] Figure 5 is the sectional view of the control valve in the embodiment Figure 2 ;

[0026] Figure 6 is the structure schematic diagram of the valve body and the gas inlet pipe in the embodiment.

[0027] In the figure: 1, valve body; 101, movable cavity; 102, mounting port; 2, valve core body; 201, guide groove; 202, first gas distribution hole; 203, second gas distribution hole; 3, inlet pipe; 301, electromagnetic valve; 4, outlet pipe; 5, flow regulating pipe; 501, regulating valve; 6, butt joint pipe; 601, limiting surface; 602, gas inlet hole; 7, operating rod; 701, guide column; 8, inlet pipe; 801, butt joint hole; 802, insertion hole; 9, fastener; 901, sealing disc; 902, sealing ring; 10, sealing ring; 11, movable rod; 1101, abutting piece; 12, elastic member; 13, ignition device; 131, end cover; 132, mounting plate; 133, micro switch; 134, switch plate; 14, movable hole; 15, guide structure; 151, guide hole; 152, guide strip. DETAILED DESCRIPTION

[0028] The utility model will be further described below by combining the drawings with examples.

[0029] Reference Figures 1 to 6 A multifunctional gas control valve, comprising a valve body 1, an operating rod 7, an inlet pipe 8, a fastener 9 and an ignition device 13, the inside of the valve body 1 is formed with a movable cavity 101, the inner wall of the movable cavity 101 is in the form of an inner tapered hole, the valve body 1 is movably connected with a valve core body 2 inside, the valve core body 2 is slidingly and rotatably connected in the movable cavity 101, and the valve body 1 is provided with an inlet pipe 3, an outlet pipe 4, a flow regulating pipe 5 and a butt joint pipe 6 in communication with the inside thereof. The outer wall of the butt joint pipe 6 is formed with a plurality of limiting surfaces 601 arranged in the form of a regular polygon, and preferably, the limiting surfaces 601 jointly form a square structure.

[0030] The port of the inlet pipe 3 is provided with an electromagnetic valve 301 for flameout protection, which can shut off the inlet pipe 2 to prevent gas leakage when the control valve is accidentally extinguished, which is prior art and will not be described in detail here. The movable rod 11 is movably sleeved in the valve core body 2, the movable rod 11 is the movable end of the valve core body 2, the end of the movable rod 11 close to the operating rod 7 is formed with an abutting piece 1101, the abutting piece 1101 and the valve core body 2 are provided with an elastic member 12 therebetween, the elastic member 12 is a spring structure, and the spring structure is sleeved on the movable rod 11. Under the action of the elastic member 12, the movable rod 11 has a tendency to stretch outwards.

[0031] The valve core body 2 is sleeved with the operating rod 7, the valve core body 2 is provided with a guide groove 201 extending along the axial direction, the operating rod 7 is provided with a guide column 701 slidingly connected in the guide groove 201, and the sleeving movement between the valve core body 2 and the operating rod 7 is guided. The abutting part 1101 abuts against the operating rod 7, so that the control valve can drive the movable end of the valve core body 2 to push the electromagnetic valve 301 to open the air inlet pipe 3 through the operating rod 7. The valve core body 2 is provided with a first air distribution hole 202 and a second air distribution hole 203, the first air distribution hole 202 corresponds to the air outlet pipe 4, the second air distribution hole 203 corresponds to the flow regulating pipe 5, and the operating rod 7 presses and rotates the valve core body 2 to control the opening and closing of the air outlet pipe 4 and the flow regulating pipe 5. The port of the flow regulating pipe 5 is provided with an adjusting valve 501 capable of adjusting the air outlet of the flow regulating pipe 5. Preferably, the adjusting valve 501 is a rotating valve core with an air distribution channel, the adjusting valve 501 is arranged in the flow regulating pipe 5 through threaded cooperation, the position of the adjusting valve 501 in the flow regulating pipe 5 can be adjusted by rotating the adjusting valve 501, so as to realize the adjustment of the air quantity, and the adjusting valve 501 is a prior art and will not be described in detail here.

[0032] The ignition device 13 includes an end cover 131, a mounting plate 132, a micro switch 133, and a switch plate 134. The movable cavity 101 is provided with a mounting opening 102, the end cover 131 is detachably connected to the valve body 1 to cover the mounting opening 102, the end cover 131 is provided with a movable hole 14 for sleeving the operating rod 7, the mounting plate 132 is fixedly connected to the end cover 131, the micro switch 133 is fixedly connected to the mounting plate 132, and the switch plate 134 is fixedly connected to the operating rod 7 and abuts against the micro switch 133; a guide structure 15 is arranged between the mounting plate 132 and the switch plate 134, the guide structure 15 includes a guide hole 151 and a guide strip 152 inserted into the guide hole 151, the guide hole 151 penetrates the switch plate 134, and the guide strip 152 is arranged on the mounting plate 132. When the operating rod 7 is pushed, the switch plate 134 triggers the micro switch 133 to ignite.

[0033] The air inlet pipe 8 is a square pipe, the top surface and the bottom surface of the air inlet pipe 8 are both flat, the top surface of the air inlet pipe 8 is provided with a butt joint hole 801, the bottom surface of the air inlet pipe 8 is provided with an insertion hole 802, the butt joint pipe 6 is fixedly connected to the bottom surface of the valve body 1, the bottom surface of the valve body 1 is embedded with a sealing ring 10, the valve body 1 is assembled on the air inlet pipe 8 in a butt joint mode through the sealing sleeve connection of the butt joint pipe 6 and the butt joint hole 801, the butt joint pipe 6 is inserted into the air inlet pipe 8, the limiting surface 601 abuts against the inner wall of the butt joint hole 801, the part of the butt joint pipe 6 extending into the air inlet pipe 8 is provided with an air inlet hole 602, the gas in the air inlet pipe 8 enters the butt joint pipe 6 through the air inlet hole 602, the butt joint pipe 6 is in communication with the air inlet pipe 3, the insertion hole 802 is coaxially arranged with the port of the butt joint pipe 6, the fastener 9 is a bolt structure, the fastener 9 is screwed through the insertion hole 802 and the port of the butt joint pipe 6, the valve body 1 is tightly abutted against the air inlet pipe 8, the sealing ring 10 is tightly abutted against the top surface of the air inlet pipe 8, so that the butt joint pipe 6 is sealingly sleeved on the inner wall of the butt joint hole 801. The fastener 9 is provided with a sealing disc 901, the inner side wall of the sealing disc 901 is provided with an outwardly protruding sealing ring 902, the sealing ring 902 is tightly abutted against the bottom surface of the air inlet pipe 8, so that the sealing disc 901 covers and seals the insertion hole 802, thereby ensuring the effective sealing between the air inlet pipe 8 and the valve body 1 and improving the sealing performance of the control valve. The limiting surface 601 abuts against the inner wall of the butt joint hole 801, thereby limiting the valve body 1 from shaking relative to the air inlet pipe 8 due to external force impact, and ensuring the stability and safety of the control valve during use.

[0034] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific embodiments, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A multifunctional gas control valve, characterized in that comprising: a valve body (1) with a valve core body (2) movably connected inside, the valve body (1) is provided with an air inlet pipe (3), an air outlet pipe (4), a flow regulating pipe (5) and a butt joint pipe (6) which are in communication with the inside of the valve body (1), the butt joint pipe (6) is in communication with the air inlet pipe (3), and the outer wall of the butt joint pipe (6) is formed with at least one limiting surface (601); an operating rod (7) connected with the valve core body (2), the operating rod (7) presses and rotates the valve core body (2) to control the opening and closing of the air outlet pipe (4) and the flow regulating pipe (5); an air inlet pipe (8) with a butt joint hole (801) penetrating through the top surface of the air inlet pipe (8), the butt joint pipe (6) is sealingly sleeved on the inner wall of the butt joint hole (801), and the limiting surface (601) abuts against the inner wall of the butt joint hole (801), the part of the butt joint pipe (6) extending into the air inlet pipe (8) is provided with an air inlet hole (602); a fastener (9), the bottom surface of the air inlet pipe (8) is provided with an insertion hole (802), the insertion hole (802) is coaxially arranged with the port of the butt joint pipe (6), the fastener (9) passes through the insertion hole (802) and is detachably connected with the butt joint pipe (6), and the fastener (9) is provided with a sealing disc (901) covering and sealing the insertion hole (802).

2. The multifunction gas control valve according to claim 1, wherein The top surface and the bottom surface of the air inlet pipe (8) are both flat surfaces, and the fastener (9) is threadedly connected with the port of the butt joint pipe (6).

3. A multifunction gas control valve according to claim 1 or 2, characterized in that The butt joint pipe (6) is fixedly connected to the bottom surface of the valve body (1), the bottom surface of the valve body (1) is provided with a sealing ring (10) abutting against the top surface of the air inlet pipe (8), and the inner side wall of the sealing disc (901) is provided with an outwardly protruding sealing ring (902) abutting against the bottom surface of the air inlet pipe (8).

4. The multifunction gas control valve according to claim 1, wherein The number of the limiting surfaces (601) is several, and the several limiting surfaces (601) are arranged in a regular polygonal shape.

5. The multifunction gas control valve according to claim 1, wherein The port of the flow regulating pipe (5) is provided with an adjusting valve (501) capable of adjusting the air outlet amount of the flow regulating pipe (5).

6. The multifunction gas control valve according to claim 1, wherein The port of the air inlet pipe (3) is provided with a solenoid valve (301) for flameout protection, and the movable end of the valve core body (2) pushes the solenoid valve (301) to open the air inlet pipe (3).

7. A multifunction gas control valve according to claim 6, characterized in that The inside of the valve body (1) is formed with a movable cavity (101), the inner wall of the movable cavity (101) is in the shape of an inner tapered hole, the valve core body (2) is slidingly and rotatably connected in the movable cavity (101), the valve core body (2) is sleeved with the operating rod (7), the valve core body (2) is provided with a guide groove (201) extending along the axial direction thereof, and the operating rod (7) is provided with a guide column (701) slidingly connected in the guide groove (201).

8. A multifunction gas control valve according to claim 7, characterized in that The valve core body (2) is through the first gas distribution hole (202) corresponding to the air outlet pipe (4), and the valve core body (2) is through the second gas distribution hole (203) corresponding to the flow regulating pipe (5).

9. The multifunction gas control valve according to claim 7, wherein The valve core body (2) is movably sleeved with a movable rod (11), the movable rod (11) is the movable end of the valve core body (2), the end of the movable rod (11) close to the operating rod (7) is formed with an abutting piece (1101), the abutting piece (1101) and the valve core body (2) are provided with an elastic piece (12), and the abutting piece (1101) abuts against the operating rod (7).

10. The multifunction gas control valve according to claim 7, wherein Further comprising an ignition device (13), the ignition device (13) comprises an end cover (131), a mounting plate (132), a micro switch (133) and a switch plate (134), the movable cavity (101) is through the mounting port (102), the end cover (131) is detachably connected to the valve body (1) to cover the mounting port (102), the end cover (131) is through the movable hole (14) for sleeving the operating rod (7), the mounting plate (132) is fixedly connected to the end cover (131), the micro switch (133) is fixedly connected to the mounting plate (132), and the switch plate (134) is fixedly connected to the operating rod (7) and abuts against the micro switch (133); The mounting plate (132) and the switch plate (134) are provided with a guide structure (15), the guide structure (15) comprises a guide hole (151) and a guide strip (152) inserted into the guide hole (151), the guide hole (151) is through the switch plate (134), and the guide strip (152) is arranged on the mounting plate (132). Alternatively, the guide hole (151) is through the mounting plate (132), and the guide strip (152) is arranged on the switch plate (134).

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