CN216768421U - Gas flow adjusting device and gas switch valve thereof - Google Patents

Gas flow adjusting device and gas switch valve thereof Download PDF

Info

Publication number
CN216768421U
CN216768421U CN202220150399.1U CN202220150399U CN216768421U CN 216768421 U CN216768421 U CN 216768421U CN 202220150399 U CN202220150399 U CN 202220150399U CN 216768421 U CN216768421 U CN 216768421U
Authority
CN
China
Prior art keywords
gas
pipe
hole
valve core
short pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220150399.1U
Other languages
Chinese (zh)
Inventor
李平
黄钟德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Jingcheng Energy Saving Technology Co ltd
Original Assignee
Guangzhou Jingcheng Energy Saving Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Jingcheng Energy Saving Technology Co ltd filed Critical Guangzhou Jingcheng Energy Saving Technology Co ltd
Priority to CN202220150399.1U priority Critical patent/CN216768421U/en
Application granted granted Critical
Publication of CN216768421U publication Critical patent/CN216768421U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Feeding And Controlling Fuel (AREA)

Abstract

The utility model discloses a device for regulating gas flow and a gas switch valve thereof.A gas inlet channel is arranged at the bottom of a gas short pipe of the product, a gas outlet joint to be connected extends from the side wall of the gas short pipe, and a gas flow regulating valve core device is arranged at the inner middle section and the upper section of the gas short pipe together and is used for controlling the size of an inner orifice of a gas outlet hole; the gas flow regulating valve core device is provided with a limiting convex column; the top section of the gas short pipe is fixedly provided with a mounting plate to be connected, and two opposite limiting convex pieces for limiting the rotation of the gas flow regulating valve core device to be less than 180 degrees extend from the back surface of the gas short pipe; the mounting plate to be connected is fixedly connected with the panel of the gas appliance/gas equipment integrally, and the contact area of the mounting plate body is increased, so that the mounting plate is stable and has better firmness; the gas short pipe has better universality.

Description

Gas flow adjusting device and gas switch valve thereof
Technical Field
The utility model relates to a gas valve device, in particular to a gas flow adjusting device and a gas switch valve thereof.
Background
1. The top of the existing part of the adjusting gas flow valve is only provided with one section, only a valve core knob rod extends out of the middle of the top, a support lug extends out of the side wall of the adjusting gas flow valve, and a screw hole is arranged in the side wall of the adjusting gas flow valve; 2. most of valve core knob levers of general adjusting gas flow valves can not rotate more than 180 degrees, so most of the valve core knob levers are provided with a convex or concave limiting part on the top section of the adjusting gas flow valve for limitation, and can not be changed after being set, however, the valve core knob levers can not be used for the limiting part which is set for valve cores with gas flow holes of various diameters in a range of allowing the valve cores to rotate by 0-360 degrees, and therefore the valve core knobs can not be used for two valve bodies with different rotation angles.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides the gas flow adjusting device which is reasonable in structure and convenient to install.
The technical scheme for solving the technical problems is as follows:
a gas flow adjusting device comprises a gas short pipe, wherein the bottom of the gas short pipe is a gas inlet channel, the side wall of the middle section of the gas short pipe extends to be connected with a gas outlet joint, a gas outlet hole is formed in the gas outlet joint to be connected, the inner middle section and the upper section of the gas short pipe are provided with a gas flow adjusting valve core device together, the top of the gas flow adjusting valve core device extends out of the outer part, and the gas flow adjusting valve core device is used for controlling the size of an inner orifice of the gas outlet hole;
the side wall of the middle section of the gas flow regulating valve core device is provided with a limiting convex column;
the top section of the gas short pipe is fixedly provided with a mounting plate to be connected, the top section of the gas flow regulating valve core device penetrates through the center of the mounting plate to be connected and extends outside, the reverse side of the mounting plate to be connected is extended with two opposite limiting convex pieces, the limiting convex columns are arranged between the two limiting convex pieces, and the limiting convex pieces are used for limiting the rotation of the gas flow regulating valve core device to be less than 180 degrees.
The device for adjusting the gas flow has the beneficial effects that: 1. the mounting plate to be connected is fixedly mounted on the top section of the gas short pipe and is used for being connected with a mounted gas appliance/gas equipment; the installation plate to be connected is pre-installed on the electromagnetic valve or the gas flow adjusting device, and the installation efficiency can be improved when the electromagnetic valve or the gas flow adjusting device is installed on an installed gas appliance/gas equipment at a later stage; when the installation plate is installed, the installation plate to be connected is fixedly connected with a panel of a gas appliance/gas equipment integrally, and the plate body increases the installation contact area, so the stability is better; the joint of the mounting plate to be connected and the panel of the gas appliance/gas equipment is a force application supporting point and a force application point of the gas flow regulating valve core device which are manually turned, so that the mounted gas flow regulating device cannot be loosened or deviated, and the firmness is good; 2. two opposite limiting convex pieces extend from the back surface of the mounting plate to be connected, and the limiting convex pieces are integrally formed on the mounting plate to be connected, so that the limiting convex pieces are not required to be specially arranged on a gas flow adjusting device, and the arrangement of the limiting convex pieces on the gas short pipe is simplified; 3. the middle section of the expanded pipe hole and the upper section of the expanded pipe hole are reasonably arranged through the gas short pipe, so that the gas flow regulating valve core device is convenient to install and better positioned, the arrangement position of the limiting convex column is better and reasonable, and the anti-falling structure of the limiting convex column is more suitable; 4. the middle part of the front surface of the mounting plate to be connected is provided with the lower concave part, after the mounting, the screw cap cannot protrude to be higher than the protruding plane to be connected, and the protruding plane to be connected can be smoothly mounted with the inner wall of the mounting plate of the gas appliance/gas equipment.
Drawings
FIG. 1 is a sectional view of a gas flow regulating device of the present invention;
FIG. 2 is a cross-sectional view of the product gas spool of the present invention;
FIG. 3 is a perspective view of a product gas flow regulating valve cartridge assembly of the present invention;
FIG. 4 is a reverse perspective view of a mounting plate to be connected of the product of the present invention;
FIGS. 5 and 6 are perspective views of a gas switching valve according to the present invention;
FIG. 7 is a schematic view of the valve body shell and the gas nozzle stub integrally formed.
The gas pipe comprises a gas short pipe 1, an expanded pipe hole middle section 101, an inner ring lower step 102, an expanded pipe hole upper section 103, an inner ring upper step 104, an installation convex part 105, a gas inlet channel 11, a gas outlet joint 12 to be connected and a gas outlet hole 121;
the gas flow regulating valve core device 2, a valve core inner short pipe 21, a rubber sealing ring 22, a manual knob rod 23, a gas inlet pipe cavity 211, a gas passing hole 212, a blind hole pipe 213 and a limiting convex column 201;
the mounting plate 3 to be connected, the limiting convex part 31, the rod through hole 32, the lower concave part 33, the convex part 34, the convex plane 35 to be connected and the screw hole 351;
the gas valve comprises a valve body shell A, an electromagnetic switch valve B, a gas flow channel C, a gas inlet joint D and a gas outlet joint E.
Detailed Description
A gas flow adjusting device comprises a gas short pipe 1, the gas short pipe 1 is made of aluminum and has good antirust and anticorrosion effects, a gas inlet channel 11 is arranged at the bottom of the gas short pipe 1, the gas inlet channel 11 is used for gas inlet, a gas outlet joint 12 to be connected extends from the side wall of the middle section of the gas short pipe 1, the gas outlet joint 12 to be connected is a free end to be connected, the gas outlet joint 12 to be connected is a flange-type joint, a gas outlet hole 121 is formed in the gas outlet joint 12 to be connected, a gas flow adjusting valve core device 2 is arranged on the inner middle section and the upper section of the gas short pipe 1 together, the top of the gas flow adjusting valve core device 2 extends out of the outside, the gas flow adjusting valve core device 2 is used for controlling the size of the inner orifice of the gas outlet hole 121, and the inner orifice of the gas outlet hole 121 is reduced by screwing the gas flow adjusting valve core device 2 from left to right, thereby realizing the control of the output flow of the fuel gas;
the side wall of the middle section of the gas flow regulating valve core device 2 is provided with a limiting convex column 201, and the limiting convex column 201 is used for limiting the rotating angle to prevent the gas flow regulating valve core device 2 from being excessively twisted;
the top section of the gas short pipe 1 is fixedly provided with a mounting plate 3 to be connected, the mounting plate 3 to be connected is made of iron metal of a stainless steel plate, the thickness of the plate body of the mounting plate 3 to be connected is 0.5-1 mm, and the mounting plate 3 to be connected is circular and has the diameter of 6-8 cm; the mounting plate 3 to be connected is used for being connected with the installed gas appliance/gas equipment, and during installation, the mounting plate 3 to be connected and the installed gas appliance/gas equipment panel are flatly jointed and then screwed down by screws, so that the mounting plate or the mounting bracket is not required to be arranged in advance on the installed gas appliance/gas equipment; the mounting plate 3 to be connected is preset by an electromagnetic valve manufacturer, so that the mounting of gas appliances/gas equipment with different structures, shapes and models is greatly facilitated; the top section of the gas flow regulating valve core device 2 penetrates through the center of the mounting plate 3 to be connected and extends out of the center, two opposite limiting convex pieces 31 extend from the back surface of the mounting plate 3 to be connected, the limiting convex pieces and the mounting plate 3 to be connected are integrally formed by punching, a limiting convex column 201 is arranged between the two limiting convex pieces 31, and the limiting convex pieces 31 are used for limiting the rotation of the gas flow regulating valve core device 2 to be less than 180 degrees, so that the gas flow regulating valve core device 2 is controlled not to rotate by more than 180 degrees, and the distance between the two limiting convex pieces 31 moves back and forth;
two opposite limiting convex parts extend from the back surface of the mounting plate 3 to be connected, and the limiting convex parts are integrally formed on the mounting plate to be connected, so that the limiting convex parts are not required to be specially arranged on a gas flow adjusting device, the limiting convex parts are simplified to be arranged on the gas short pipes, and the cost of a mold for manufacturing the gas short pipes is saved;
when in use, gas enters from the gas inlet channel 11, passes through the gas flow regulating valve core device 2 and then flows out from the gas outlet hole 121; the inner hole opening of the gas outlet hole 121 is enlarged and reduced by twisting the gas flow regulating valve core device 2, and the larger the inner hole opening of the gas outlet hole 121 opened by the gas flow regulating valve core device 2 is, the more gas flows through, conversely, the smaller the gas flows through, so that the control of the gas output flow is realized; the gas flow regulating valve core device 2 can close the inner hole of the gas outlet hole 121, so that the gas output is closed.
If the rotation range of the gas flow regulating valve core device 2 is set to be 0-360 degrees, a limit convex part extends from the back surface of the mounting plate to be connected; namely: two limit convex pieces oppositely extend from the back surface of the mounting plate to be connected, and the gas short pipe can only be applied to a valve core with a rotation range of 0-180 degrees; the limiting convex piece extends to the back side of the mounting plate to be connected, the valve element can be suitable for a valve element with a rotation range of 0-360 degrees, the universality is better, and one or two limiting convex pieces extend to the back side of the mounting plate to be connected according to actual needs;
the inner pipe holes of the gas short pipes 1 are all circular; an enlarged pipe hole middle section 101 with an enlarged inner diameter is arranged at the inner middle section of the gas short pipe 1, and an inner ring lower step 102 is arranged between the enlarged pipe hole middle section 101 and the gas inlet channel 11; the middle section 101 of the enlarged pipe hole and the inner ring lower step 102 provide reasonable structures for arranging the short pipe 21 and the rubber sealing ring 22 in the valve core;
an expanded pipe hole upper section 103 with an expanded inner diameter is arranged at the inner upper section of the gas short pipe 1, and an inner ring upper step 104 is arranged between the expanded pipe hole upper section 103 and the expanded pipe hole middle section 101; the upper section 103 of the expanded pipe hole and the upper step 104 of the inner ring provide reasonable structures for arranging the limiting convex column 201 and the limiting convex piece 31 and preventing the limiting convex column 201 from being possibly separated;
the gas flow regulating valve core device 2 comprises a valve core inner short tube 21, a rubber sealing ring 22 and a manual knob rod 23, wherein the valve core inner short tube 21 is circular, the manual knob rod 23 is made of stainless steel, the diameter is 7 mm-9 mm, the length is 3.5 cm-5 cm, the inner lower section of the valve core inner short tube 21 is provided with a gas inlet tube cavity 211, the side wall is provided with a gas through hole 212, the top part is sealed (the top wall is sealed), the diameter of the gas inlet tube cavity 211 is equivalent to that of a gas inlet channel 11, the middle section of the valve core inner short tube 21 is embedded with the rubber sealing ring 22 by arranging a sealing groove on the ring wall, the top part of the valve core inner short tube 21 extends to be connected with a blind hole tube 213, the lower end of the manual knob rod 23 is inserted into the blind hole tube 213, the upper section of the blind hole tube 213 is transversely provided with limiting convex columns 201 of two main bodies (namely, the limiting convex columns 201 transversely penetrate the manual knob rod 23 and the blind hole tube 213, the manual knob rod 23 is fixedly connected with the blind hole pipe 213 and is prevented from falling off; the limiting convex column 201 has two functions: 1. the manual knob rod 23 is fixedly connected with the blind hole tube 213, and 2, the limiting convex column 201 is matched with the limiting convex piece 31 for limiting the rotation angle;
the valve core inner short pipe 21 can be just inserted into the enlarged tube hole middle section 101 (the diameter of the valve core inner short pipe 21 is equivalent to that of the enlarged tube hole middle section 101, the valve core inner short pipe is not loosened after insertion and is relatively tight, but can be screwed and rotated by force), the bottom of the valve core inner short pipe 21 abuts against the inner ring lower step 102, insertion, positioning and stopping are achieved, the rubber sealing ring 22 seals a gap between the valve core inner short pipe 21 and the inner wall of the enlarged tube hole middle section 101, and gas leakage is prevented; sealing lubricating oil is filled in the assembly of the rubber sealing ring 22, the inner wall of the middle section 101 of the expanded pipe hole and the outer wall of the short pipe 21 in the valve core, so that the sealing performance is improved;
the limiting convex column 201 is arranged in the upper section 103 of the expanded pipe hole, and the inner wall of the upper section 103 of the expanded pipe hole blocks the limiting convex column 201 from possibly falling off, so that the long-term use is realized;
the limiting convex part 31 is inserted into the upper section 103 of the enlarged pipe hole, so that the space is reasonably utilized, the position is not occupied, the limiting convex part does not protrude outside, and people are prevented from hooking or touching the limiting convex part and possibly scratching the people;
the gas inlet channel 11, the gas inlet pipe cavity 211, the gas passing hole 212 and the gas outlet hole 121 are communicated, and the spool inner short pipe 21 rotates to control the gas flow by the cross overlapping of the gas passing hole 212 and the gas outlet hole 121 (namely, when the spool inner short pipe 21 rotates, the cross overlapping proportion of the gas passing hole 212 and the gas outlet hole 121 is larger, the opening is larger, the gas flow is larger, and the reverse is smaller);
the middle of the mounting plate 3 to be connected is provided with a rod through hole 32, the manual knob rod 23 just can pass through the rod through hole 32 outwards, the hole of the rod through hole 32 contacts and presses the top section of the blind hole pipe 213 along the plate body, the spool inner short pipe 21 and the blind hole pipe 213 are integrally formed, so that the spool inner short pipe 21 can be prevented from loosening and separating, the spool inner short pipe 21 is skillfully arranged, and the mounting plate 3 to be connected is fully used.
The middle part of the front surface of the mounting plate 3 to be connected is provided with a lower concave part 33, the opposite reverse surface is a convex part 34, and the front surface of the periphery corresponding to the lower concave part 33 is a convex plane 35 to be connected; the top cross-section of gas nozzle stub 1 transversely extends has a plurality of protruding pieces 105 of installation, protruding portion 34 with install protruding piece 105 level and smoothly connect the back with the screw down pass from lower concave part 33 and wait to connect mounting panel 3 and install protruding piece 105 and screw up, and the screw cap is arranged in lower concave part 33, and like this, the screw cap just can not be protruding to be higher than waiting to connect protruding plane 35, wait to connect protruding plane 35 just can level and smoothly install with the mounting panel inner wall of gas utensil gas equipment, connection area is wide, the installation is firm, can adapt to more gas utensils gas equipment fixing.
If the mounting plate 3 to be connected is a flat plate, the mounting plate 3 to be connected is mounted on the mounting protrusion 105 and then the screw cap is protruded, the mounting plate 3 to be connected is not easily mounted on the gas appliance or the gas equipment.
The gas short pipe 1 is made of aluminum; the spool inner short pipe 21 is made of copper; the manual knob rod 23 and the limiting convex column 201 are made of stainless steel and have good antirust and antioxidant capabilities.
The convex plane 35 to be connected is provided with a plurality of screw holes 351 for mounting screws in a penetrating manner with a gas appliance/gas equipment.
A gas switch valve comprises the gas flow adjusting device with the structure.
A gas switch valve comprises a valve body shell piece A and an electromagnetic switch valve B, wherein a gas flow channel C is arranged inside the valve body shell piece A, a gas inlet joint D extends from one end of the valve body shell piece A, a gas outlet joint E extends from the other end of the valve body shell piece A, the electromagnetic switch valve B is fixedly installed on a middle section body of the valve body shell piece A, and the electromagnetic switch valve B is used for controlling the opening/closing of the gas flow channel C; and the gas outlet joint E is connected with the bottom of the gas short pipe 1 and communicated with the gas inlet channel 11.
The valve body shell A and the gas short pipe 1 are integrally formed by aluminum casting.
The application example is as follows:
a gas switch valve comprises a valve body shell piece A, an electromagnetic switch valve B and a gas flow adjusting device, wherein the gas flow adjusting device comprises a gas short pipe 1, a gas flow channel C is arranged inside the valve body shell piece A, one end of the valve body shell piece A extends to form a gas inlet joint D, the other end of the valve body shell piece A extends to form a gas outlet joint E, the electromagnetic switch valve B is fixedly installed on a middle section body of the valve body shell piece A, and the electromagnetic switch valve B is used for controlling the opening/closing of the gas flow channel C; the gas outlet joint E is connected with the bottom of the gas short pipe 1 and communicated with the gas inlet channel 11; the valve body shell A and the gas short pipe 1 are integrally formed by aluminum casting, so that the valve body shell A and the gas short pipe have good antirust and anticorrosive effects;
the bottom of the gas short pipe 1 is provided with a gas inlet channel 11, the gas inlet channel 11 is used for gas inlet, the side wall of the middle section of the gas short pipe 1 extends to be connected with a gas outlet joint 12, the gas outlet joint 12 to be connected is a free end to be connected, the gas outlet joint 12 to be connected is a flange-type joint, a gas outlet hole 121 is formed in the gas outlet joint 12 to be connected, the inner middle section and the upper section of the gas short pipe 1 are provided with a gas flow regulating valve core device 2 together, the top of the gas flow regulating valve core device 2 extends out of the outside, the gas flow regulating valve core device 2 is used for controlling the size of an inner orifice of the gas outlet hole 121, and the inner orifice of the gas outlet hole 121 is enlarged and reduced by screwing the gas flow regulating valve core device 2 left and right, so that the control of gas output flow is realized;
the side wall of the middle section of the gas flow regulating valve core device 2 is provided with a limiting convex column 201, and the limiting convex column 201 is used for limiting the rotating angle to prevent the gas flow regulating valve core device 2 from being excessively twisted;
the top section of the gas short pipe 1 is fixedly provided with a mounting plate 3 to be connected, the mounting plate 3 to be connected is made of iron metal of a stainless steel plate, the thickness of the plate body of the mounting plate 3 to be connected is 0.5-1 mm, and the mounting plate 3 to be connected is circular and has the diameter of 6-8 cm; the mounting plate 3 to be connected is used for being connected with the installed gas appliance/gas equipment, and during installation, the mounting plate 3 to be connected and the installed gas appliance/gas equipment panel are flatly jointed and then screwed down by screws, so that the mounting plate or the mounting bracket is not required to be arranged in advance on the installed gas appliance/gas equipment; the mounting plate 3 to be connected is preset by an electromagnetic valve manufacturer, so that the mounting of gas appliances/gas equipment with different structures, shapes and models is greatly facilitated; the top section of the gas flow regulating valve core device 2 penetrates through the center of the mounting plate 3 to be connected and extends out of the center, two opposite limiting convex pieces 31 extend from the back surface of the mounting plate 3 to be connected, the limiting convex pieces and the mounting plate 3 to be connected are integrally formed by punching, a limiting convex column 201 is arranged between the two limiting convex pieces 31, and the limiting convex pieces 31 are used for limiting the rotation of the gas flow regulating valve core device 2 to be less than 180 degrees, so that the gas flow regulating valve core device 2 is controlled not to rotate by more than 180 degrees, and the distance between the two limiting convex pieces 31 moves back and forth;
two opposite limiting convex parts extend from the back surface of the mounting plate 3 to be connected, and the limiting convex parts are integrally formed on the mounting plate to be connected, so that the limiting convex parts are not required to be specially arranged on a gas flow adjusting device, the limiting convex parts are simplified to be arranged on the gas short pipes, and the cost of a mold for manufacturing the gas short pipes is saved;
when in use, gas enters from the gas inlet channel 11, passes through the gas flow regulating valve core device 2 and then flows out from the gas outlet hole 121; the inner orifice of the gas outlet hole 121 is enlarged and reduced by twisting the gas flow regulating valve core device 2, and the larger the inner orifice of the gas outlet hole 121 opened by the gas flow regulating valve core device 2 is, the more gas flows through, conversely, the smaller the gas flows through, thereby realizing the control of the gas output flow; the gas flow regulating valve core device 2 can close the inner hole of the gas outlet hole 121, so that the gas output is closed.
Further: the inner pipe holes of the gas short pipes 1 are all circular; an enlarged pipe hole middle section 101 with an enlarged inner diameter is arranged at the inner middle section of the gas short pipe 1, and an inner ring lower step 102 is arranged between the enlarged pipe hole middle section 101 and the gas inlet channel 11; the middle section 101 of the enlarged pipe hole and the inner ring lower step 102 provide reasonable structures for arranging the spool inner short pipe 21 and the rubber sealing ring 22;
an expanded pipe hole upper section 103 with an expanded inner diameter is arranged at the inner upper section of the gas short pipe 1, and an inner ring upper step 104 is arranged between the expanded pipe hole upper section 103 and the expanded pipe hole middle section 101; the upper section 103 of the expanded pipe hole and the upper step 104 of the inner ring provide reasonable structures for arranging the limiting convex column 201 and the limiting convex piece 31 and preventing the limiting convex column 201 from being possibly separated;
the gas flow regulating valve core device 2 comprises a valve core inner short tube 21, a rubber sealing ring 22 and a manual knob rod 23, wherein the valve core inner short tube 21 is circular, the manual knob rod 23 is made of stainless steel, the diameter is 7 mm-9 mm, the length is 3.5 cm-5 cm, the inner lower section of the valve core inner short tube 21 is provided with a gas inlet tube cavity 211, the side wall is provided with a gas through hole 212, the top part is sealed (the top wall is sealed), the diameter of the gas inlet tube cavity 211 is equivalent to that of a gas inlet channel 11, the middle section of the valve core inner short tube 21 is embedded with the rubber sealing ring 22 by arranging a sealing groove on the ring wall, the top part of the valve core inner short tube 21 extends to be connected with a blind hole tube 213, the lower end of the manual knob rod 23 is inserted into the blind hole tube 213, the upper section of the blind hole tube 213 is transversely provided with limiting convex columns 201 of two main bodies (namely, the limiting convex columns 201 transversely penetrate the manual knob rod 23 and the blind hole tube 213, the manual knob rod 23 is fixedly connected with the blind hole pipe 213 and can not fall off; the limiting convex column 201 has two functions: 1. the manual knob rod 23 is fixedly connected with the blind hole pipe 213, and 2, the limiting convex column 201 and the limiting convex part 31 are matched for limiting the rotation angle;
the valve core inner short pipe 21 can be just inserted into the enlarged tube hole middle section 101 (the diameter of the valve core inner short pipe 21 is equivalent to that of the enlarged tube hole middle section 101, the valve core inner short pipe is not loosened after insertion and is relatively tight, but can be screwed and rotated by force), the bottom of the valve core inner short pipe 21 abuts against the inner ring lower step 102, insertion, positioning and stopping are achieved, the rubber sealing ring 22 seals a gap between the valve core inner short pipe 21 and the inner wall of the enlarged tube hole middle section 101, and gas leakage is prevented; sealing lubricating oil is filled in the rubber sealing ring 22, the inner wall of the middle section 101 of the expanded pipe hole and the outer wall of the short pipe 21 in the valve core during assembly, so that the sealing performance is improved;
the limiting convex column 201 is arranged in the upper section 103 of the expanded pipe hole, and the inner wall of the upper section 103 of the expanded pipe hole blocks the limiting convex column 201 from being possibly disengaged, so that long-term use is realized;
the limiting convex part 31 is inserted into the upper section 103 of the enlarged pipe hole, so that the space is reasonably utilized, the position is not occupied, the limiting convex part does not protrude outside, and people are prevented from hooking or touching the limiting convex part and possibly scratching the people;
the gas inlet channel 11, the gas inlet pipe cavity 211, the gas passing hole 212 and the gas outlet hole 121 are communicated, and the spool inner short pipe 21 rotates to control the gas flow by the cross overlapping of the gas passing hole 212 and the gas outlet hole 121 (namely, when the spool inner short pipe 21 rotates, the cross overlapping proportion of the gas passing hole 212 and the gas outlet hole 121 is larger, the opening is larger, the gas flow is larger, and the reverse is smaller);
the middle of the mounting plate 3 to be connected is provided with a rod through hole 32, the manual knob rod 23 just can pass through the rod through hole 32 outwards, the hole of the rod through hole 32 contacts and presses the top section of the blind hole pipe 213 along the plate body, the spool inner short pipe 21 and the blind hole pipe 213 are integrally formed, so that the spool inner short pipe 21 can be prevented from loosening and separating, the spool inner short pipe 21 is skillfully arranged, and the mounting plate 3 to be connected is fully used.
Further: the middle part of the front surface of the mounting plate 3 to be connected is provided with a lower concave part 33, the opposite reverse surface is a convex part 34, and the front surface of the periphery corresponding to the lower concave part 33 is a convex plane 35 to be connected; the top cross-section of gas nozzle stub 1 transversely extends has a plurality of protruding pieces 105 of installation, protruding portion 34 with install protruding piece 105 level and smoothly connect the back with the screw down pass from lower concave part 33 and wait to connect mounting panel 3 and install protruding piece 105 and screw up, and the screw cap is arranged in lower concave part 33, and like this, the screw cap just can not be protruding to be higher than waiting to connect protruding plane 35, wait to connect protruding plane 35 just can level and smoothly install with the mounting panel inner wall of gas utensil gas equipment, connection area is wide, the installation is firm, can adapt to more gas utensils gas equipment fixing.
If the mounting plate 3 to be connected is a flat plate, the mounting plate 3 to be connected is mounted on the mounting protrusion 105 and then the screw cap is protruded, the mounting plate 3 to be connected is not easily mounted on the gas appliance or the gas equipment.
Further: the gas short pipe 1 is made of aluminum; the spool inner short pipe 21 is made of copper; the manual knob rod 23 and the limiting convex column 201 are made of stainless steel and have good antirust and antioxidant capabilities.
Further: the convex plane 35 to be connected is provided with a plurality of screw holes 351 for mounting screws in a penetrating manner with a gas appliance/gas equipment.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and all technical solutions belonging to the principle of the present invention belong to the protection scope of the present invention. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims (8)

1. The utility model provides an adjust gas flow device, includes the gas nozzle stub, and the bottom of gas nozzle stub is the gas access way, and the middle section lateral wall of gas nozzle stub extends to remain to be connected and gives vent to anger the joint, treats to connect and gives vent to anger and is the gas venthole in the joint, its characterized in that: the inner middle section and the upper section of the gas short pipe are provided with a gas flow regulating valve core device together, the top of the gas flow regulating valve core device extends out of the outer part, and the gas flow regulating valve core device is used for controlling the size of an inner orifice of a gas outlet;
the side wall of the middle section of the gas flow regulating valve core device is provided with a limiting convex column;
the top section of the gas short pipe is fixedly provided with a mounting plate to be connected, the top section of the gas flow regulating valve core device penetrates through the center of the mounting plate to be connected and extends outside, the reverse side of the mounting plate to be connected is extended with two opposite limiting convex pieces, the limiting convex columns are arranged between the two limiting convex pieces, and the limiting convex pieces are used for limiting the rotation of the gas flow regulating valve core device to be less than 180 degrees.
2. A device for regulating the flow of gas as claimed in claim 1, wherein: the inner middle section of the gas short pipe is provided with an enlarged pipe hole middle section with an enlarged inner diameter, and an inner ring lower step is arranged between the enlarged pipe hole middle section and the gas inlet channel;
the inner upper section of the gas short pipe is provided with an enlarged pipe hole upper section with an enlarged inner diameter, and an inner ring upper step is arranged between the enlarged pipe hole upper section and the enlarged pipe hole middle section;
the gas flow regulating valve core device comprises a valve core inner short pipe, a manual knob rod and a rubber sealing ring, wherein a gas inlet pipe cavity is arranged at the inner lower section of the valve core inner short pipe, a gas through hole is formed in the side wall of the valve core inner short pipe, the top of the valve core inner short pipe is sealed, the middle section of the valve core inner short pipe is embedded with the rubber sealing ring by arranging a sealing groove in the ring wall, a section of connecting blind hole pipe extends from the top of the valve core inner short pipe, the lower end of the manual knob rod is inserted into the blind hole pipe, and a limiting convex column of the body of the blind hole pipe and the body of the blind hole pipe transversely penetrates through the side wall of the upper section of the blind hole pipe;
the short pipe in the valve core can be just inserted into the middle section of the expanded pipe hole, the bottom of the short pipe abuts against the lower step of the inner ring, and the rubber sealing ring seals a gap between the short pipe in the valve core and the inner wall of the middle section of the expanded pipe hole;
the limiting convex columns are arranged in the upper sections of the expanding pipe holes, and the inner walls of the upper sections of the expanding pipe holes block the limiting convex columns from coming off;
the limiting convex part is inserted into the upper section of the enlarged pipe hole;
the gas inlet channel, the gas inlet pipe cavity, the gas passing hole and the gas outlet hole are communicated, and the short pipe in the valve core rotates to control the gas flow by the cross overlapping of the gas passing hole and the gas outlet hole;
the middle of the mounting plate to be connected is provided with a rod through hole, the manual knob rod can just penetrate out from the rod through hole, and the top section of the blind hole pipe is pressed along the plate body in the hole of the rod through hole.
3. A device for regulating the flow of gas as claimed in claim 2, wherein: the middle part of the front surface of the mounting plate to be connected is provided with a lower concave part, the opposite reverse surface is a convex part, and the front surface of the periphery opposite to the lower concave part is a convex plane to be connected; the top cross-section of gas nozzle stub transversely extends has a plurality of installation protruding pieces, and the bellying is smooth to be connected the back with the installation protruding piece and down passes the mounting panel of waiting to connect and screws up with the installation protruding piece with the screw from lower concave part, and the screw cap is arranged in the concave part down.
4. A device for regulating the flow of gas as claimed in claim 2, wherein: the gas short pipe is made of aluminum; the spool inner short pipe is made of copper; the manual knob rod and the limiting convex column are made of stainless steel.
5. A device for regulating the flow of gas as claimed in claim 3, wherein: a plurality of screw holes are formed in the plane of the protrusion to be connected.
6. A gas switching valve is characterized in that: a device for regulating the flow of a gas comprising a device as claimed in any one of claims 1 to 4.
7. The gas switching valve according to claim 6, wherein: the gas switch valve comprises a valve body shell and an electromagnetic switch valve, wherein a gas flow channel is arranged in the valve body shell, one end of the valve body shell extends to form a gas inlet joint, the other end of the valve body shell extends to form a gas outlet joint, the electromagnetic switch valve is fixedly installed on the middle section body of the valve body shell and is used for controlling the on/off of the gas flow channel; the gas outlet joint is connected with the bottom of the gas short pipe and communicated with the gas inlet channel.
8. The gas switching valve according to claim 7, wherein: the valve body shell and the gas short pipe are integrally formed by aluminum casting.
CN202220150399.1U 2022-01-19 2022-01-19 Gas flow adjusting device and gas switch valve thereof Active CN216768421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220150399.1U CN216768421U (en) 2022-01-19 2022-01-19 Gas flow adjusting device and gas switch valve thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220150399.1U CN216768421U (en) 2022-01-19 2022-01-19 Gas flow adjusting device and gas switch valve thereof

Publications (1)

Publication Number Publication Date
CN216768421U true CN216768421U (en) 2022-06-17

Family

ID=81979803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220150399.1U Active CN216768421U (en) 2022-01-19 2022-01-19 Gas flow adjusting device and gas switch valve thereof

Country Status (1)

Country Link
CN (1) CN216768421U (en)

Similar Documents

Publication Publication Date Title
US10851528B2 (en) Liftable and adjustable shower device
US3998240A (en) Injection-molded faucet assembly
CN216768421U (en) Gas flow adjusting device and gas switch valve thereof
CN112443674A (en) Water outlet component of faucet
CN210716005U (en) Bidirectional sealing butterfly valve
JP3187887U (en) Multi-function faucet with silence and pressure regulation
CN219491170U (en) Pull tap of many water-out modes
CN220080181U (en) Tap mounting structure and integrated basin
CN218913896U (en) Tap with improved inner water outlet pipe assembly
CN219242750U (en) Stable water tap
CN215445123U (en) Novel stepless flow regulation joint
CN211475000U (en) Portable tap that can install fast
CN217440886U (en) Closely-matched faucet assembly
CN218480223U (en) Improved water tap
CN216045504U (en) Valve seat ring convenient for installation and sealing for valve
CN109630709B (en) Simple water tap
CN216279976U (en) Sanitary grade fast-assembling straight-through ball valve
CN220396693U (en) Tap hand wheel mounting structure
CN219796148U (en) Pressure-bearing tap
CN215410411U (en) Tee joint for faucet
CN220688050U (en) Side leakage prevention soft sealing stop valve
CN215831254U (en) Tap shell and tap made by using same
CN218883107U (en) Table top faucet convenient to install
CN216382694U (en) Body structure of extraction type faucet and extraction type faucet
CN214838572U (en) Automatic switching three way connection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant