CN220061840U - Transmission shifting block and gas stove valve ignition transmission mechanism - Google Patents
Transmission shifting block and gas stove valve ignition transmission mechanism Download PDFInfo
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- CN220061840U CN220061840U CN202320630688.6U CN202320630688U CN220061840U CN 220061840 U CN220061840 U CN 220061840U CN 202320630688 U CN202320630688 U CN 202320630688U CN 220061840 U CN220061840 U CN 220061840U
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- shifting block
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides a transmission shifting block and gas-cooker valve ignition drive mechanism, wherein the transmission shifting block includes circular main part, and the main part surface is equipped with the arc boss that a scope is less than 90 degrees, the main part surface still is equipped with spacing group platform, and spacing group platform is located the place ahead of arc boss, but does not link to each other with the arc boss, and spacing group platform height equals or spacing group platform is higher than the arc boss with the arc boss. Because the outer surface of the limiting shifting table is changed into a semi-cylindrical shape and is equal to or higher than the arc-shaped boss in height, the limiting shifting table has the original limiting function and the shifting block function, so that the shifting block in the original structure is canceled, the valve core is shortened, the materials and the labor are saved, and simultaneously, two sounds when the transmission block and the shifting block return respectively are stopped.
Description
Technical Field
The utility model relates to the field of plug valves of gas cookers.
Background
The cock safety valve of the household desk type gas cooker has two common structures of 03224487.8 or 200920268010.8, wherein the two structures are that a cam (also called a transmission block) pushes a push rod to open an electromagnetic valve, and a poking block arranged on a valve core pokes a hammer to ignite. Both existing structures have two disadvantages: firstly, when the 90-degree turning back is performed, the transmission block and the shifting block cannot act consistently, and two return sounds appear, so that misunderstanding is easily caused by a user; secondly, because the shifting block needs the valve core to support, the total length of the valve core is increased, and the cost is higher.
Disclosure of Invention
The utility model aims to overcome the problems and provide a transmission shifting block and a gas stove valve ignition transmission mechanism which are reasonable in design.
In order to achieve the above purpose, the utility model provides a transmission shifting block, which comprises a circular main body, wherein an arc-shaped boss with the range smaller than 90 degrees is arranged on the outer surface of the main body, a limiting shifting table is also arranged on the outer surface of the main body, the limiting shifting table is positioned in front of the arc-shaped boss but is not connected with the arc-shaped boss, and the height of the limiting shifting table is equal to that of the arc-shaped boss or is higher than that of the arc-shaped boss; an annular thin wall is arranged at the joint of the arc-shaped boss and the limiting shifting table and the main body; the lower end of the main body is provided with an inclined boss.
The circular main body, the arc-shaped boss, the limiting shifting table, the thin wall and the inclined boss are integrally formed.
The arc boss is provided with a straight cylindrical surface or an inclined conical surface with gradually enlarged radius.
The outer surface of the limiting shifting table is semi-cylindrical.
The thin wall is a semicircular ring to a full ring.
The inclined boss is made into 1 or 2 symmetrical bosses.
The middle of the bottom of the main body is provided with a strip hole.
The utility model also provides a gas stove valve ignition transmission mechanism, which comprises a rotating shaft arranged in a hole in a valve seat, wherein the upper end of the rotating shaft is provided with a check ring for limiting the stroke, and the lower part of the rotating shaft is inserted into a strip hole of the transmission shifting block in the scheme; the valve seat is connected with the gas valve through a screw, a conical valve core is arranged in the gas valve, a connecting spring is arranged at the upper part of the valve core, the other end of the connecting spring is propped against the transmission shifting block, an electromagnetic valve is arranged at the gas inlet part of the gas valve, a push rod is arranged in front of a valve sealing gasket on the electromagnetic valve, and the other end of the push rod is propped against a thin wall on the transmission shifting block; the valve seat is provided with an electronic frame, piezoelectric ceramics, a hammer and a trigger spring are arranged in the electronic frame, and the electronic frame is pressed and fixed by a cover plate.
The valve seat is internally provided with limit slopes, and 1 limit slope or 2 limit slopes which are symmetrical in the center are required in the valve seat no matter the inclined boss on the transmission shifting block is made into 1 limit slope or 2 limit slopes which are symmetrical in the center.
Compared with the cam (also called a transmission block) in the background art, the utility model has the advantages that: because the outer surface of the limiting shifting table is changed into semi-cylindrical and is equal to or higher than the arc-shaped boss in height, the limiting shifting table has the original limiting function and the shifting block function, so that the shifting block in the original structure is canceled, the valve core is shortened, the material and the labor are saved, two sounds when the transmission block and the shifting block return respectively are stopped, and the function is better.
Drawings
FIG. 1 is a schematic three-dimensional view of the structure of a transmission block of the present utility model.
FIG. 2 is another angular three-dimensional schematic view of a transmission block of the present utility model.
FIG. 3 is a schematic three-dimensional view of a valve seat according to the present utility model.
Fig. 4 is a schematic longitudinal section view of the ignition transmission mechanism of the gas stove valve of the utility model.
Fig. 5 is a schematic cross-sectional view of the ignition transmission mechanism of the gas stove valve of the present utility model.
Reference numerals:
circular main body 1, arc boss 2, spacing dial 3, thin wall 4, inclined boss 5, strip hole 6, valve seat 7, middle hole 701, electronic frame 702, spacing slope 703, valve closing spacing column 704, valve opening spacing column 705, rotating shaft 8, retainer 9, gas valve 10, conical valve core 11, connecting spring 12, electromagnetic valve 13, valve sealing pad 1301, ejector rod 14, piezoelectric ceramic 15, hammer 16, trigger spring 17, cover plate 18, air inlet 19, valve needle 20
Detailed Description
The utility model relates to a transmission shifting block, which comprises a circular main body 1, wherein an arc-shaped boss 2 with the range smaller than 90 degrees is arranged on the outer surface of the circular main body 1, a limiting shifting table 3 is also arranged on the outer surface of the circular main body 1, the limiting shifting table 3 is positioned in front of the arc-shaped boss 2 but is not connected with the arc-shaped boss 2, and the height of the limiting shifting table 3 is equal to that of the arc-shaped boss 2 or the limiting shifting table 3 is higher than that of the arc-shaped boss 2; an annular thin wall 4 is arranged at the joint of the arc-shaped boss 2 and the limit shifting table 3 and the circular main body 1; the lower end of the circular main body 1 is provided with an inclined boss 5; the middle of the bottom of the round main body 1 is provided with a strip hole 6.
The utility model relates to a gas stove valve ignition transmission mechanism, which comprises a rotating shaft 8 arranged in a hole 701 in a valve seat 7, wherein the upper end of the rotating shaft 8 is provided with a check ring 9 for limiting the stroke, and the lower part of the rotating shaft 8 is inserted into a strip hole 6 of a transmission shifting block in the scheme; the valve seat 7 is connected with the gas valve 10 through a screw, a conical valve core 11 is arranged in the gas valve 10, a connecting spring 12 is arranged at the upper part of the valve core 11, the other end of the connecting spring 12 is propped against the transmission shifting block, an electromagnetic valve 13 is arranged at the gas inlet of the gas valve 10, a push rod 14 is arranged in front of a valve sealing pad 1301 on the electromagnetic valve 13, and the other end of the push rod 14 is propped against a thin wall 4 on the transmission shifting block; the valve seat 7 is provided with an electronic frame 702, and piezoelectric ceramics 15, a hammer 16 and a trigger spring 17 are arranged in the electronic frame 702 and are pressed and fixed by a cover plate 18.
The utility model relates to a driving shifting block and a gas stove valve ignition driving mechanism, which have the working principle that: when the valve is closed at 0 degree, the tail end of the arc-shaped boss 2 of the transmission shifting block is propped against the valve closing limit column 704 of the valve seat 7, and the inclined boss 5 of the transmission shifting block is opposite to the front surface of the limit slope 703 of the valve seat 7, so that the requirement of 0 degree self-locking is met; meanwhile, due to the effect of the connecting spring 12, the rotating shaft 8 is pushed to the highest position, the arc end of the ejector rod 14 is propped against the round main body 1 of the transmission shifting block, and gas entering from the gas valve air inlet hole 19 is blocked by the valve sealing pad 1301 of the electromagnetic valve 13 and cannot enter the gas valve.
When the rotating shaft 8 is pressed down by hand until the retainer ring 9 contacts the outer surface of the middle hole of the valve seat 7, the inclined boss 5 of the transmission shifting block is separated from the limit slope 703 of the valve seat 7; at the same time, the needle 20 in the conical valve core 11 is pushed forward by the spindle 8, ready for gas to enter the interior of the conical valve core 11. The arc end of the ejector rod 14 is turned to be propped against the outer surface of the arc boss 2 of the transmission shifting block when the electromagnetic valve is kept in a pressed state and rotated anticlockwise, so that the valve sealing pad 1301 of the electromagnetic valve 13 is propped up by the ejector rod 14, and gas enters the gas valve; at the same time, the limiting dial 3 of the driving dial pushes the hammer 16 forward. When the anti-clockwise rotation is carried out to 90 degrees, the limit shifting table 3 of the transmission shifting block is propped against the valve opening limit column 705 of the valve seat 7, so that the requirement that 90 degrees are in a full-open state is met; in the process, the limit shifting table 3 of the transmission shifting block is separated from the hammer 16, and the hammer 16 impacts the piezoelectric ceramic 15 under the action of the trigger spring 17 to generate spark to ignite the gas output to the furnace end.
When the above state is kept for 5-10 seconds and the hands are loosened, the rotary shaft 8 is restored to the highest position by the action of the connecting spring 12, and the thermocouple is heated to generate electric potential by burning so as to attract the electromagnetic valve 13, and the valve sealing pad 1301 maintains the state when being pushed open.
When the rotary shaft 8 in the front state is connected and rotated anticlockwise, the limit shifting platform 3 of the transmission shifting block passes through a notch below the valve opening limit column 705 of the valve seat 7 and rotates to about 80 degrees to reach a slight fire state, and at the moment, the limit shifting platform 3 of the transmission shifting block is propped against the valve closing limit column 704 of the valve seat 7.
Claims (9)
1. The transmission shifting block is characterized by comprising a circular main body (1), wherein an arc-shaped boss (2) with the range smaller than 90 degrees is arranged on the outer surface of the main body (1), a limiting shifting table (3) is further arranged on the outer surface of the circular main body (1), the limiting shifting table (3) is positioned in front of the arc-shaped boss (2) but is not connected with the arc-shaped boss (2), and the height of the limiting shifting table (3) is equal to that of the arc-shaped boss (2) or the limiting shifting table (3) is higher than that of the arc-shaped boss (2); an annular thin wall (4) is arranged at the joint of the arc-shaped boss (2) and the limit shifting table (3) and the circular main body (1); the lower end of the round main body (1) is provided with an inclined boss (5).
2. A transmission dial according to claim 1, characterized in that the circular body (1), the arc-shaped boss (2), the limit dial (3), the thin wall (4) and the inclined boss (5) are integrally formed.
3. A transmission block according to claim 1, characterized in that the arcuate projections (2) have a straight cylindrical surface or a beveled surface with a progressively larger radius.
4. A transmission dial according to claim 1, characterized in that the outer surface of the limit dial (3) is semi-cylindrical.
5. A transmission dial according to claim 1, characterized in that the thin wall (4) is semi-circular to full circular.
6. A transmission dial according to claim 1, characterized in that the inclined bosses (5) are made 1 or 2 centrally symmetrical.
7. A transmission dial according to claim 1, characterized in that the middle of the bottom of the circular body (1) is provided with a strip-shaped hole (6).
8. A gas stove valve ignition transmission mechanism which is characterized by comprising a rotating shaft (8) arranged in a hole in a valve seat (7), wherein a retainer ring (9) for limiting the stroke is arranged at the upper end of the rotating shaft (8), and the lower part of the rotating shaft (8) is inserted into a strip hole (6) of the transmission shifting block according to any one of claims 1-7; the valve seat (7) is connected with the gas valve (10) through a screw, a conical valve core (11) is arranged in the gas valve (10), a connecting spring (12) is arranged at the upper part of the valve core (11), the other end of the connecting spring (12) is propped against the transmission shifting block, an electromagnetic valve (13) is arranged at the gas inlet part of the gas valve (10), a push rod (14) is arranged in front of a valve sealing pad (1301) on the electromagnetic valve (13), and the other end of the push rod (14) is propped against a thin wall (4) on the transmission shifting block; the valve seat (7) is provided with an electronic frame (702), and piezoelectric ceramics (15), a hammer (16) and a trigger spring (17) are arranged in the electronic frame (702) and are pressed and fixed by a cover plate (18).
9. The ignition transmission mechanism of a gas stove valve according to claim 8, wherein the limit slopes (703) are arranged in the valve seat (7), and 1 limit slope (703) is only needed in the valve seat (7) no matter 1 slope boss (5) on the transmission shifting block is made or 2 slopes are arranged in the center symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320630688.6U CN220061840U (en) | 2023-03-28 | 2023-03-28 | Transmission shifting block and gas stove valve ignition transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320630688.6U CN220061840U (en) | 2023-03-28 | 2023-03-28 | Transmission shifting block and gas stove valve ignition transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220061840U true CN220061840U (en) | 2023-11-21 |
Family
ID=88751160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320630688.6U Active CN220061840U (en) | 2023-03-28 | 2023-03-28 | Transmission shifting block and gas stove valve ignition transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220061840U (en) |
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2023
- 2023-03-28 CN CN202320630688.6U patent/CN220061840U/en active Active
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| GR01 | Patent grant |