CN217463233U - Flow control valve for controlling valve flow by bimetallic strip - Google Patents
Flow control valve for controlling valve flow by bimetallic strip Download PDFInfo
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- CN217463233U CN217463233U CN202220103739.5U CN202220103739U CN217463233U CN 217463233 U CN217463233 U CN 217463233U CN 202220103739 U CN202220103739 U CN 202220103739U CN 217463233 U CN217463233 U CN 217463233U
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Abstract
The utility model discloses a flow control valve with bimetallic strip control flap flow, including the valve body, the valve body includes inner chamber and binding post, this internal fixing base of being connected with binding post that is equipped with of valve, installs the bimetallic strip on the fixing base, and the bimetallic strip tip is provided with the valve gasket, still is equipped with the heating member that acts on the bimetallic strip on the fixing base, is provided with the upper cover on the valve body, and the upper cover includes the flow control structure and the valve pocket that acts on with the valve gasket, and the flow control structure includes the regulating channel who communicates with the inner chamber, and the regulating channel installation is transferred and is flowed the piece. The utility model provides a flow control can adjust the flow in the work to the purpose of controlling temperature is realized to the control flow size, and is applicable in gas BBQ, carries out temperature regulation and control on devices such as fireplace room heater.
Description
Technical Field
The utility model belongs to the technical field of flow control valve technique and specifically relates to a flow control valve with bimetallic strip control flap flow.
Background
Valves are fittings for pipes that are used to open and close the pipe, control the flow direction, regulate and control the parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.
The utility model discloses a valve body that current patent publication is CN204533775U is at the transportation combustible gas in-process, because bimetallic strip deformation only can close or open the pipeline, can't satisfy the demand to the flow control in the in-service use, and the gas channel is too big because of flow path burner's flow when opening the state again by closing, when lighting once more, produces detonation danger very easily, therefore proposes the bimetallic strip flow control valve who has independent small pore structure of giving vent to anger.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical defects and designing a flow control valve which controls the flow of the valve by a bimetallic strip.
The utility model discloses a flow control valve with bimetallic strip control flap flow, which comprises a valve body, the valve body includes inner chamber and binding post, this internal fixing base of being connected with binding post that is equipped with of valve, install the bimetallic strip on the fixing base, the bimetallic strip tip is provided with the valve gasket, still be equipped with the heating member that acts on the bimetallic strip on the fixing base, the heating load of heating member and the bending variable volume directly proportional relation that is heated of bimetallic strip, be provided with the upper cover on the valve body, the upper cover includes flow control structure and the valve pocket that acts on with the valve gasket, flow control structure includes the regulation passageway with the inner chamber intercommunication, it adjusts the flow spare to adjust the passageway installation, it has the accent flow hole to open on the accent flow spare, it is narrow to adjust the passageway when the one end of accent flow hole corresponds with the lateral wall of regulation passageway, it communicates with the inner chamber completely to adjust the passageway when the one end of accent flow hole corresponds with the port of regulation passageway.
Furthermore, the adjusting channel comprises a communication port and a bypass hole, the communication port is communicated with the flow adjusting hole, and the bypass hole is communicated with the flow adjusting hole at the flow adjusting piece.
Furthermore, the communicating port is an inclined hole and is communicated with the valve cavity.
Furthermore, a sealing ring is arranged on the flow regulating piece, and the sealing ring is arranged at the position where the flow regulating piece is arranged on the flow regulating structure.
Furthermore, the outer side end of the flow regulating piece is provided with a regulating groove.
Furthermore, a cover plate is arranged on the valve body, and the cover plate fixes the wiring terminal and the upper cover on the valve body.
Furthermore, an adjusting valve matched with the valve gasket is installed at one end, connected with the valve body, of the interior of the valve cavity, and the adjusting valve is communicated with the valve cavity and the inner cavity of the valve body.
Furthermore, the heating member is a heating coil connected to the fixing seat, and the heating coil is coiled outside the bimetallic strip.
Furthermore, the upper cover and the regulating channel in the upper cover are provided with an extension part towards one end of the top of the flow regulating piece.
Furthermore, an air inlet connecting end is fixedly installed at one end of the valve body.
The utility model relates to a flow control valve with bimetallic strip control valve flow, through heating member and the bimetallic strip that sets up, the heating member heating on the fixing base makes the bimetallic strip crooked to make the valve pocket be stopped up in the valve gasket effect, make flow control valve flow diminish, after the power disconnection, bimetallic strip reconversion makes the valve pocket reopen, in-process, the air current that comes out through the independent aperture on the flow adjusting piece is smaller, when burner was lighted once more, because of the air current is little, and difficult production deflagration, guarantee safety;
the utility model discloses a flow control valve with bimetallic strip control flap flow, through the adjusting valve who sets up, because there is the difference in the deformation volume of bimetallic strip, the adjusting valve who sets up can adjust the actual bending deformation who cooperates the bimetallic strip.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic sectional view showing the structure of embodiment 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of the bimetal of embodiment 1 in a bent state;
FIG. 5 is a schematic view of the structure of example 1 with an extension added;
FIG. 6 is a flow chart of a specific use of example 1;
FIG. 7 is a schematic view showing the structure of the valve chamber in the state where the independent orifice is provided in the valve gasket in example 2.
In the figure: the gas inlet connecting end 1, the wiring terminal 2, the cover plate 3, the flow regulating structure 4, the upper cover 5, the valve body 6, the fixed seat 7, the heating coil 8, the bimetallic strip 9, the valve gasket 10, the regulating valve 11, the flow regulating piece 12, the sealing ring 13, the communicating port 14, the flow regulating hole 15, the bypass hole 16, the valve cavity 17, the regulating groove 18 and the extension part 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 7, the flow control valve for controlling the flow of the valve by using a bimetal described in this embodiment includes a valve body 6, the valve body 6 includes an inner cavity and a connection terminal 2, the inner cavity of the valve body 6 is used as an airflow channel and is electrically controlled by the connection terminal 2, and a gas such as a combustible gas is introduced into the valve body for use;
specifically, a fixed seat 7 connected with the wiring terminal 2 is arranged in the valve body 6, the fixed seat 7 can be fixed by screws, a bimetallic strip 9 can be installed on the fixed seat 7 by screws, a valve gasket 10 is arranged at the end part of the bimetallic strip 9, the valve gasket 10 can be directly clamped and installed at the end part of the bimetallic strip 9, a heating element acting on the bimetallic strip 9 is also arranged on the fixed seat 7, the heating quantity of the heating element is in direct proportion relation with the heating deformation quantity of the bimetallic strip 9, namely, the higher the heating quantity is, the larger the deformation is, an upper cover 5 is arranged on the valve body 6, the upper cover 5 can be installed by screws, the upper cover 5 comprises a flow regulating structure 4 and a valve cavity 17 acting on the valve gasket 10, a connecting piece is arranged at the top outlet of the valve cavity 17, the flow regulating structure 4 comprises a regulating block 4 and a regulating channel respectively communicated with the inner cavity and the valve cavity 17, and a flow regulating piece 12 is installed on the regulating channel, the flow regulating piece 12 is provided with a flow regulating hole 15, the regulating channel is narrow when one end of the flow regulating hole 15 corresponds to the side wall of the regulating channel, and the regulating channel is completely communicated with the inner cavity when one end of the flow regulating hole 15 corresponds to the port of the regulating channel; after the wiring terminal 2 is connected with electricity, the heating element on the fixed seat 7 is heated to enable the bimetallic strip 9 to deform and bend, in practical use, the bending amount of the bimetallic strip 9 is determined by the size of the electrified current, when the electrified current is large, the heating is high, the deformation enables the bimetallic strip 9 to deform greatly, at the moment, the communication between the valve gasket 10 and the valve cavity 17 is small, and the flow is small; the energizing current is small, the heating value is small, the deformation causes the deformation of the bimetallic strip 9 to be small, the communication between the corresponding valve gasket 10 and the valve cavity 17 is large, the flow is large, the working state after the bimetallic strip 9 is completely bent is shown in figure 4, and at the moment, the valve gasket 10 acts to block the valve cavity 17, so that the valve gasket 10 is closed; the energization is stopped, so that the heating element is recovered to normal temperature, and then the bimetallic strip 9 is recovered to the original state, so that the bottom of the valve cavity 17 is reopened; the size of the communication between the valve gasket 10 and the valve cavity 17 determines the gas flow rate, so that after ignition, the firepower and the temperature are controlled;
the flow control valve can be used in practical application as shown in fig. 6, that is, when the flow control valve is used in a burner after combustible gas is introduced, a gas valve is arranged before the flow control valve to control the opening and closing of the total combustible gas, in the process, a user can adjust the initial position of the flow adjusting piece 12 according to practical use, that is, the size of the opening between the flow adjusting hole 15 and the adjusting channel is adjusted, so as to adjust the gas flow at the initial condition, the combustible gas introduced at the flow adjusting piece 12 is ignited to be used as a pilot flame, the adjusted combustible gas is introduced into the flow control valve through the main valve, a temperature control device is arranged between the burner and the flow control valve, when the temperature of the burner is insufficient to reach the actual control point of the temperature control device, the temperature control device controls the energization of the flow control valve by using the electric switch, the current at the time is reduced, and the bending amount of the bimetallic strip 9 which is heated is reduced, so that the valve gasket 10 is in greater communication with the valve chamber 17, increasing the gas flow and thus the temperature of the burner;
in the above scheme, the gas after the flow regulation of the flow regulation piece 12 can be directly introduced into the valve cavity 17, or the gas after the flow regulation of the flow regulation piece 12 is used as an independent ventilation pipeline, the gas at the position is ignited by an ignition device of the burner as a long open flame, after the long open flame at the position of the flow regulation piece 12 is ignited, when the valve gasket 10 is controlled by the bimetallic strip 9 to be opened and combustible gas is introduced, the combustible gas introduced from the position of the valve gasket 10 is ignited by the long open flame ignited at the position of the flow regulation piece 12 as an ignition source, and then the burner is started, so that the deflagration phenomenon of the burner is prevented, that is, the condition that the combustible gas directly flowing from the position of the valve gasket 10 through the valve cavity 17 has large flow rate and is easy to deflagrate after ignition is avoided, and the safety is increased;
in addition, because the opening and closing degree is controlled by the thermal deformation of the bimetallic strip 9 (the firepower is controlled after ignition), alternating current and direct current can be used in actual use, the actual voltage has no strict requirement, the use is convenient, and safe voltage from 3V to 36V can be selected, so that the safety is ensured;
the flow control valve controls the flow and cannot be completely closed (because the flow adjusting piece 12 is not corresponding to the flow adjusting channel and has a gap), so the flow control valve is not generally used independently, a main valve which can completely close gas is matched in practical application, for example, the flow control valve is applied to a BBQ (BBQ) or a main valve of a fireplace heater, a temperature control switch is also matched in practical application and is connected in series with the temperature control switch to realize the flow control, and further, the purpose of controlling the temperature is realized.
In the utility model, the adjusting channel comprises a communicating port 14 and a bypass hole 16, the communicating port 14 is communicated with the flow adjusting hole 15, and the bypass hole 16 is communicated with the communicating port 14 through the flow adjusting hole 15 of the flow adjusting piece 12; the communication port 14 is an inclined hole, and the communication port 14 is connected with the valve cavity 17; in the adjusting process, the flow adjusting hole 15 on the flow adjusting piece 12 is slowly opened from the state of not corresponding to the bypass hole 16 at the beginning when the flow adjusting piece 12 is rotated, the gas flow is adjusted by selecting the opening degree of the bypass hole 16 and the flow adjusting hole 15, the bypass hole 16 is completely opened when corresponding to the flow adjusting hole 15, the gas flows fastest at the moment, and the flow is the largest if the conveyed gas is combustible gas and is ignited; along with the rotation of the flow regulating hole 15, the flow regulating hole 15 gradually does not correspond to the bypass hole 16, so that the gas at the position can only circulate through a gap, and if the conveyed gas is combustible gas and is ignited, the flow is minimum, so that the user can freely select the proper initial flow of the flow regulating piece 12 in the actual use; since the communication port 14 is provided as an inclined hole, the communication port 14 directly communicates with the valve chamber 17 and the 15 without being bent.
In the utility model, a sealing ring 13 is arranged on the flow adjusting piece 12, and the sealing ring 13 can be sleeved and arranged at the position of the adjusting block 4 where the flow adjusting piece 12 is arranged; after the flow regulating piece 12 is installed, the sealing ring 13 is arranged, so that the flow regulating piece 12 is difficult to rotate under the action of friction force after rotating, and the sealing performance and the stability are ensured.
The utility model discloses in, the outside end of adjusting a class 12 is opened has adjustment tank 18, and adjustment tank 18 makes and adjusts easy rotation control after class 12 installation, if utilize the screwdriver can rotation regulation.
The utility model discloses in, be provided with apron 3 on the valve body 6, apron 3 accessible screw fixation binding post 2 on valve body 6, but apron 3 and upper cover 5 integrated into one piece, the setting up of apron 3 makes relief valve overall stability promote, reduces the inside removal of part.
The utility model discloses in, adjusting valve 11 is installed to the inside one end that meets with valve body 6 of valve pocket 17, and adjusting valve 11 communicates the inner chamber of valve pocket 17 and valve body 6, and adjusting valve 11 selects adjustable mounting means to install, if through the screw thread installation, can also install sealing washer 13 on adjusting valve 11 in order to increase installation stability, and the gas flow circulates through adjusting valve 11 during the use, because bimetallic strip 9's bending variable exists the difference, the actual bending deformation who cooperates bimetallic strip 9 can be adjusted to the adjusting valve 11 of setting.
The utility model discloses in, heating member for connecting heating coil 8 on fixing base 7, heating coil 8 coils in bimetallic strip 9's outside, and the heating through heating coil 8 has increased the scope of heating for the heating is even, guarantees bimetallic strip 9's stable deformation and resumes.
The utility model discloses in, as shown in fig. 5, the regulation passageway in upper cover 5 and the upper cover 5 is equipped with extension 19 towards the top one end of shunting 12, when shunting 12 regulation, because shunting 12 relies on the frictional force location, if shunting the passageway short probably has the condition that outwards removes or even drops, for example the child extracts shunting 12 for curiosity, cause easily losing, the regulation passageway in extension upper cover 5 and the upper cover 5 makes shunting 12 difficult for droing when outwards removing, shunting 12 can block and idle running in shunting the passageway, lengthened shunting passageway can use tools such as screwdriver to adjust shunting 12 this moment, can not influence the regulation to shunting 12.
The utility model discloses in, the one end fixed mounting of valve body 6 has income gas connection end 1, and the setting of income gas connection end 1 makes the relief valve easily install and use.
In the embodiment 1, when the gas flow is conducted through the inner cavity of the valve body 6, the wiring terminal 2 is controlled by power connection, the heating element on the fixed seat 7 is heated after power connection to enable the bimetallic strip 9 to be deformed and bent gradually, the flow between the valve gasket 10 and the valve cavity 17 is controlled according to the deformation quantity, the completely bent working state is shown in fig. 4, the valve gasket 10 is enabled to gradually block the valve cavity 17, the flow is controlled, and the fire power and the temperature are controlled when combustible gas is introduced; when the valve needs to be in a normally open state, the power supply is stopped, the heating element is recovered to normal temperature, the bimetallic strip 9 is recovered to ensure that the bottom of the valve cavity 17 is reopened, the flow is maximum after the bimetallic strip is completely recovered, and the firepower and the temperature are highest when combustible gas is introduced; the heating range is enlarged and the heating is uniform by the heating of the heating coil 8, so that the stable deformation of the bimetallic strip 9 is ensured; by rotating the flow regulating member 12, the flow regulating hole 15 of the flow regulating member 12 is rotated to be opened slowly from the state of closing the bypass hole 16 at the beginning, the initial gas flow at the position is adjusted according to the opening degree, and then the gas flow is adjusted, when the conveyed combustible gas is ignited at the conveying outlet, the adjustment of the gas flow is the adjustment of the initial time open fire, wherein the fire is only used as the ignition part and the auxiliary fire supply of the part of the combustible gas controlled by the valve gasket 10 at the bimetallic strip 9.
Example 2:
in the scheme of embodiment 1, the independent small hole can be directly arranged on the valve gasket 10 and directly communicated with the inner cavity of the valve body 6 and the valve cavity 17, at this time, the state diagram is as shown in fig. 7, at this time, before the valve gasket 10 is controlled by the bimetallic strip 9 to be opened, the independent small hole is directly ventilated, at this time, the gas piece is ignited at the outlet at the top of the valve cavity 17, and after the bimetallic strip 9 is adjusted to open the valve gasket, the pilot flame ignited by the ventilation of the independent small hole is ignited, so that the situations that the gas flow is suddenly increased and the ignition is easy to deflagrate are prevented.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. A flow control valve for controlling the flow of a valve by double metal sheets comprises a valve body (6), wherein the valve body (6) comprises an inner cavity and a wiring terminal (2), a fixing seat (7) connected with the wiring terminal (2) is arranged in the valve body (6), the double metal sheets (9) are arranged on the fixing seat (7), the flow control valve is characterized in that a valve gasket (10) is arranged at the end part of each double metal sheet (9), a heating element acting on each double metal sheet (9) is further arranged on the fixing seat (7), the heating amount of the heating element is in direct proportion relation to the heating deformation amount of each double metal sheet (9), an upper cover (5) is arranged on the valve body (6), each upper cover (5) comprises a flow adjusting structure (4) and a valve cavity (17) acting on each valve gasket (10), an air element is arranged at the top outlet of each valve cavity (17), each flow adjusting structure (4) comprises an adjusting channel communicated with the inner cavity, the flow regulating piece (12) is installed on the regulating channel, the flow regulating hole (15) is formed in the flow regulating piece (12), the regulating channel is narrow when one end of the flow regulating hole (15) corresponds to the side wall of the regulating channel, and the regulating channel is completely communicated with the inner cavity when one end of the flow regulating hole (15) corresponds to the port of the regulating channel.
2. The flow control valve for controlling valve flow by bimetal according to claim 1, wherein said regulating passage comprises a communication port (14) and a bypass hole (16), the communication port (14) communicates with the flow regulating hole (15), and the bypass hole (16) communicates with the communication port (14) through the flow regulating hole (15) of the flow regulating member (12).
3. The flow control valve for controlling valve flow by bimetal strip according to claim 2, characterized in that said communication port (14) is an inclined hole, and the communication port (14) is communicated with the valve cavity (17).
4. The flow control valve for controlling valve flow by bimetal according to claim 1, wherein the flow regulating member (12) is provided with a sealing ring (13), and the sealing ring (13) is installed at the position where the flow regulating member (12) is installed on the flow regulating structure (4).
5. The flow control valve for controlling valve flow by bimetal according to claim 4, characterized in that the outer end of said flow regulating member (12) is opened with a regulating groove (18).
6. The flow control valve for controlling valve flow by bimetal according to claim 1, wherein the valve body (6) is provided with a cover plate (3), and the cover plate (3) fixes the connecting terminal (2) and the upper cover (5) on the valve body (6).
7. The flow control valve for controlling valve flow by the bimetallic strip as in claim 1, characterized in that the end of the valve cavity (17) connected with the valve body (6) is provided with the regulating valve (11) matched with the valve gasket (10), and the regulating valve (11) is communicated with the inner cavities of the valve cavity (17) and the valve body (6).
8. The flow control valve for controlling valve flow by bimetal according to claim 1, wherein said heating element is a heating coil (8) connected to the fixed seat (7), and the heating coil (8) is coiled outside the bimetal (9).
9. A flow control valve with a bimetal control valve according to claim 1, characterized in that the upper cover (5) and the regulating channel in the upper cover (5) are provided with an extension (19) towards the top end of the flow regulating member (12).
10. The flow control valve for controlling valve flow by bimetal according to any of claims 1 to 9, wherein the gas inlet connection end (1) is fixedly installed at one end of the valve body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103739.5U CN217463233U (en) | 2022-01-14 | 2022-01-14 | Flow control valve for controlling valve flow by bimetallic strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103739.5U CN217463233U (en) | 2022-01-14 | 2022-01-14 | Flow control valve for controlling valve flow by bimetallic strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463233U true CN217463233U (en) | 2022-09-20 |
Family
ID=83260936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220103739.5U Active CN217463233U (en) | 2022-01-14 | 2022-01-14 | Flow control valve for controlling valve flow by bimetallic strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463233U (en) |
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2022
- 2022-01-14 CN CN202220103739.5U patent/CN217463233U/en active Active
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