CN209800770U

CN209800770U - Fluid safety switch structure

Info

Publication number: CN209800770U
Application number: CN201920085555.9U
Authority: CN
Inventors: 白翼志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2019-12-17
Anticipated expiration: 2029-01-18

Abstract

The utility model provides a fluid safety switch structure, which comprises a switch body, a flow passage, and a shaft hole, wherein the switch body is provided with a group of setting sections and a pipeline connecting section which are connected with a gas pipeline, the flow passage is communicated with the group setting sections and the pipeline connecting section, the shaft hole is positioned between the pipeline connecting section and the group setting section and radially penetrates through the flow passage, and the shaft hole is provided with a first hole section and a second hole section which are positioned at two sides of the flow passage; the switch valve is matched and assembled in the shaft hole and comprises a valve shaft, a valve sleeve and a sealing rubber ring, wherein the valve shaft is provided with a ventilation section relative to the flow channel, a leakage stopping ring and a small-diameter combined section which are positioned at two sides of the ventilation section, the switch valve moves in the shaft hole, the ventilation ring groove arranged on the ventilation section and the flow channel form a staggered closing state or a corresponding opening state to provide gas circulation, and the sealing rubber ring is pressed against the first hole section in the closing state and seals the flow channel to close the gas flowing to the pipeline connecting section. When any abnormal state or alarm occurs in a pipeline using high-pressure gas, the gas can be effectively closed to ensure safety.

Description

Fluid safety switch structure

Technical Field

The utility model relates to a fluid control safety structure especially relates to a fluid safety switch structure for gas stove.

Background

In general, a gas stove for business use is required to heat more food than a gas stove for household use, and particularly, to satisfy various cooking skills required by cooks for delicacy and high technical operation for quickly cooking food and quickly serving dishes, a gas stove for business use is generally used under a medium pressure so as to improve the scale and efficiency of gas combustion.

for the barreled gas, the output gas pressure is controlled within a certain rated pressure range, so as to achieve the purpose of quickly cooking, a gas pressure regulator is additionally arranged at the output gas pipe of the barreled gas steel cylinder, so that the output pressure of the gas can be increased to about twice of the rated pressure through the regulating action of the gas pressure regulator, and the gas is provided for a burner of the gas stove for combustion.

however, since the gas pressure regulator instantly increases the gas pressure to twice the rated pressure, the possibility of gas leakage during use is relatively increased, and the risk of gas use is greatly increased without other control mechanisms, which is the biggest disadvantage of the known gas pressure regulator.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide a fluid safety switch structure for adjusting pressure and having safety control. In order to achieve the above objects and effects, the fluid safety switch structure of the present invention comprises a switch body having a set of sections and a pipeline connecting section, a flow channel communicating the set of sections and the pipeline connecting section, and a shaft hole located between the pipeline connecting section and the set of sections and radially penetrating through the switch body, wherein the shaft hole is divided into a first hole section and a second hole section by the flow channel; and a switch valve assembled in the shaft hole, the switch valve comprises a valve shaft, a valve sleeve and a sealing rubber ring, the valve shaft is provided with a ventilation section, a leakage-stopping ring and a small-diameter combined section are positioned at two sides of the ventilation section, the ventilation section is provided with a ventilation ring groove which is radially and concavely arranged, the sealing rubber ring is sleeved on the small-diameter combined section, the small-diameter combined section is spirally assembled with the valve sleeve by external threads and limits the sealing rubber ring, the leakage-stopping ring is pressed to seal the first hole section and the sealing rubber ring is pressed to seal the second hole section, the switch valve moves in the shaft hole, the ventilation ring groove arranged on the ventilation section and the flow passage form a staggered closing state, the sealing rubber ring is plugged into the first hole section and seals the flow passage to close the gas flowing to the pipeline connecting section, and the ventilation ring groove arranged on the ventilation section moves to the opening state of the flow passage to provide gas circulation.

optionally, the closed rubber ring has a small-diameter end, a large-diameter end, and a closed ring surface connecting the small-diameter end and the large-diameter end, the diameter of the small-diameter end is smaller than the inner diameter of the first hole section, the closed rubber ring is inserted into the first hole section by moving the small-diameter end in the shaft hole, and the closed ring surface closes the flow channel.

Optionally, the valve shaft has an opening blocking portion, the opening blocking portion is limited by the opening side of the switch body in the first hole section in the opening state of the flow channel, the valve sleeve has a closing blocking portion, and the closing blocking portion is limited by the opening side of the switch body in the second hole section in the closing state of the flow channel.

Optionally, the valve shaft is provided with a vent hole penetrating through the venting section, so that the gas flow can be further increased when the venting ring groove of the venting section moves to the opening state of the flow passage.

Optionally, the switch body is further combined with a locking valve set, the locking valve set comprises a valve body and a valve ball arranged on the valve body, a spring and a rotating button, the valve body is provided with a first group of setting sections, an air duct, a containing groove and a group of setting ports combined with the group of setting sections, the first group of setting sections and the group of setting ports are located at two ends of the valve body and communicated with the air duct, the rotating button is provided with an external thread and is screwed on the valve body through the external thread, the containing groove is located at one side of the air duct and is communicated with the air duct and is opposite to the rotating button, the valve ball group is located in the containing groove, two ends of the spring elastically support the valve ball and the rotating button, and the external thread of the rotating button advances and retreats in a spiral mode so as to adjust the elasticity of the spring elastically.

The utility model discloses a fluid safety switch structure can be when having any abnormal form, alarm in the pipeline that uses high-pressure gas, can effectively close gas in order to ensure safety.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

FIG. 3 is a schematic cross-sectional view of the III-III section of FIG. 1.

FIG. 4 is a cross-sectional view of section line IV-IV in FIG. 3.

Fig. 5 is a schematic cross-sectional view of the closed state of the present invention.

Fig. 6 is a schematic cross-sectional view of the valve shaft of fig. 4 with a vent hole penetrating through the venting section according to the present invention.

Fig. 7 is a perspective view of the present invention further combined with a locking valve set.

FIG. 8 is a schematic cross-sectional view taken along line VIII-VIII in FIG. 7.

Fig. 9 is a schematic cross-sectional view illustrating an operation state of the latching valve assembly according to the present invention.

The main reference symbols in the drawings illustrate that:

A switch body 10; a group setting section 11; a pipe connection section 12; a flow channel 13; a shaft hole 14; a first bore section 141;

A second bore section 142; a latching valve block 20; a valve ball 21; a spring 22; a turn knob 23; external threads 231;

A valve body 24; a first organizing section 241; a group setting port 242; an air duct 243; a pocket 244; an on-off valve 30;

A valve shaft 31; a venting section 311; a vent ring groove 3111; a vent hole 3112; a leak-stop ring 312;

a minor-diameter combined section 313; the opening stopper 314; a valve housing 32; the closing stopper 321; a sealing rubber ring 33;

A sealing rubber ring 33; a small diameter end 331; a large diameter end 332; enclosing an annulus 333.

Detailed Description

Referring to fig. 1 to 3, a fluid safety switch structure of the present invention for connecting between a gas pipeline and a gas comprises a switch body 10 having a set of sections 11 and a pipeline connecting section 12, a flow channel 13 communicating the set of sections 11 and the pipeline connecting section 12, and a shaft hole 14 located between the pipeline connecting section 12 and the set of sections 11 and radially penetrating the switch body 10, wherein the shaft hole 14 is divided into a first hole section 141 and a second hole section 142 by the flow channel 13.

And a switch valve 30 assembled in the shaft hole 14 and including a valve shaft 31, a valve sleeve 32 and a sealing rubber ring 33, the valve shaft 31 has a ventilation section 311, a leakage-stopping ring 312 located at both sides of the ventilation section 311, a small-diameter assembly section 313, the venting section 311 is provided with a venting ring groove 3111 recessed radially, the sealing rubber ring 33 is sleeved on the small-diameter assembly section 313, and the small diameter combined section 313 externally threads the valve housing 32 and limits the sealing rubber ring 33, the leakage stop ring 312 is forced to close the first hole section 141 and the sealing rubber ring 33 is forced to close the second hole section 142, the switch valve 30 moves in the shaft hole 14 and the vent ring groove 3111 of the vent segment 311 and the flow channel 13 form a staggered closed state, the sealing rubber ring 33 is inserted into the first hole 141 and seals the flow channel 13 to close the gas flowing to the pipe connecting section 12, the vent ring groove 3111 of the vent segment 311 moves to the open state of the flow channel 13 for gas flowing.

in the following, the features of each component of the present invention are further described in detail, in fig. 1 to 3, the closed rubber ring 33 has a small diameter end 331, a large diameter end 332, and a closed ring surface 333 connecting the small diameter end 331 and the large diameter end 332, the diameter of the small diameter end 331 is smaller than the inner diameter of the first hole section 141, the small diameter end 331 is plugged into the first hole section 141 by the movement of the closed rubber ring 33 in the shaft hole 14, and the closed ring surface 333 seals the flow channel 13. Next, the valve shaft 31 has an opening stop 314, the opening stop 314 abuts against the switch body 10 to limit the opening side of the first hole section 141 in the open state, the valve sleeve 32 has a closing stop 321, and the closing stop 321 abuts against the switch body 10 to limit the opening side of the second hole section 142 in the closed state.

As shown in fig. 3 to 5, in the open state of the switch valve 30 of the present invention, the vent ring groove 3111 of the vent segment 311 is used for conducting the gas flowing from the assembling segment 11 to the pipeline connecting segment 12 (as shown by the arrow in the figure), when the adjusted high pressure gas encounters any abnormal shape and alarm in use, as shown in fig. 5, the switch valve 30 moves in the shaft hole 14 toward the first hole segment 141 along the hollow arrow direction in the figure, so that the vent ring groove 3111 of the vent segment 311 of the valve shaft 31 forms a staggered closed state relative to the flow channel 13, and the closed ring surface 333 of the closed rubber ring 33 closes the flow channel 13 to close the gas passing through the vent ring groove 3111, thereby ensuring the operation of adjusting the large flow pressure and providing the safety guarantee for the use of the high pressure gas stove.

As shown in fig. 6, the valve shaft 31 of the present invention is further provided with a vent 3112 penetrating through the vent section 311, so that the gas flow can be further increased when the vent ring groove 3111 of the vent section 311 is moved to the open state of the flow channel 13.

Finally, as shown in fig. 7 to 9, the present invention further combines a locking valve set 20 to the switch body 10, the locking valve set 20 includes a valve body 24 and a valve ball 21, a spring 22, and a knob 23 disposed on the valve body 24, the valve body 24 has a first set of sections 241, an air duct 243, a containing groove 244 and a set of openings 242 combined to the set of sections 11, the first set of sections 241 and the set of openings 242 are disposed at two ends of the valve body 24 and are communicated with the air duct 243, the knob 23 has an external thread 231 and is screwed to the valve body 24 by the external thread 231, the containing groove 244 is disposed at one side of the air duct 243 and is communicated with the air duct 243 and is opposite to the knob 23, the valve ball 21 is assembled to the containing groove 244 and two ends of the spring 22 are sprung against the valve ball 21 and the knob 23, the external thread 231 of the knob 23 is screwed forward and backward to adjust the tightness of the spring 22 sprung against the valve ball 21. When the pipeline connecting section 12 and the first assembling section 241 of the locking valve set 20 are connected to the gas pipeline, the rotating button 23 of the locking valve set 20 is further used to adjust the tightness of the spring 22 which elastically pushes the valve ball 21 to adjust the valve ball 21 to be loosened and hidden in the accommodating groove 244 and to be pressed by the looser elastic force, so that the valve ball is easily blown by the gas flow and gradually moves to the center of the flow channel 13 to form the blockage of the gas flow, and the flow pressure in the flow channel 13 is reduced as shown in fig. 9; on the contrary, when the knob 23 of the locking valve set 20 adjusts the tightness of the spring 22 elastically abutting the ball 21, the ball 21 is forced by the relatively tight elastic force and hidden in the receiving groove 244 as shown in fig. 8, so that the ball 21 is not easily blown by the gas flow, and the flow passage 13 is kept open for a large pressure flow.

As mentioned above, in the present invention, the switch body 10 has the locking valve set 20 to adjust the gas flow and working pressure of the flow passage inside the switch valve when the gas stove is used, and in addition, a shaft hole 14 is provided with a switch valve 30, the valve shaft 31 of the switch valve 30 has a ventilation section 311 corresponding to the flow passage 13, the switch valve 30 moves in and out of the shaft hole 14, so that the ventilation ring groove 3111 of the ventilation section 311 can form a staggered closing state corresponding to the flow passage 13 to close the gas flowing to the pipeline connecting section 12; the difficulties and disadvantages of the prior art for the operation and technical development of pressure regulation with large flow rate can be overcome, and the safety advantage of the high-pressure gas stove can be achieved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. the utility model provides a fluid safety switch structure for link up gas pipeline and gas, its characterized in that includes:

The switch body is provided with a group setting section, a pipeline connecting section, a flow channel for communicating the group setting section and the pipeline connecting section, and a shaft hole which is positioned between the pipeline connecting section and the group setting section and radially penetrates through the switch body, and the shaft hole is divided into a first hole section and a second hole section by the flow channel;

The switch valve is assembled in the shaft hole and comprises a valve shaft, a valve sleeve and a sealing rubber ring, the valve shaft is provided with a ventilation section, a leakage stopping ring and a small-diameter combined section, the leakage stopping ring and the small-diameter combined section are positioned on two sides of the ventilation section, the ventilation section is provided with a ventilation ring groove which is radially and concavely arranged, the sealing rubber ring is sleeved on the small-diameter combined section, the small-diameter combined section is screwed with an external thread to form the valve sleeve and limit the sealing rubber ring, the leakage stopping ring is pressed to seal the first hole section, the sealing rubber ring is pressed to seal the second hole section, the switch valve moves in the shaft hole, the ventilation ring groove arranged on the ventilation section can form a staggered closing state with the flow channel, and the sealing rubber ring can be plugged into the first hole section and seal the flow channel; the ventilation ring groove arranged on the ventilation section can move to the opening state of the flow passage.

2. The fluid safety switch structure according to claim 1, wherein the sealing rubber ring has a small diameter end, a large diameter end and a sealing ring surface connecting the small diameter end and the large diameter end, the small diameter end has a diameter smaller than the inner diameter of the first hole section, the movement of the sealing rubber ring in the shaft hole causes the small diameter end to be inserted into the first hole section, and the sealing ring surface seals the flow passage.

3. The fluid safety switch structure as claimed in claim 1, wherein the valve shaft has an opening stop portion, and the opening stop portion is located against the opening side of the switch body at the first hole section in the open state of the flow passage, the valve housing has a closing stop portion, and the closing stop portion is located against the opening side of the switch body at the second hole section in the closed state of the flow passage.

4. The structure of claim 2, wherein the valve shaft has an opening stop portion, and the opening stop portion is located against the opening side of the switch body at the first hole section in the open state of the flow passage, the valve sleeve has a closing stop portion, and the closing stop portion is located against the opening side of the switch body at the second hole section in the closed state of the flow passage.

5. the structure of any one of claims 1 to 4, wherein the valve shaft is provided with a vent hole penetrating through the venting section for moving a vent ring groove of the venting section to an open state of the flow passage.

6. The fluid safety switch structure according to claim 5, further comprising a locking valve set coupled to the switch body, the locking valve set comprising a valve body, a valve ball disposed on the valve body, a spring, and a knob, the valve body having a first set section, a vent channel, a receiving groove, and a set of openings coupled to the first set section, the first set section and the set of openings being disposed at two ends of the valve body and communicating with the vent channel, the knob having an external thread and being screwed to the valve body, the receiving groove being disposed at one side of the vent channel and communicating with the vent channel and opposite to the knob, the valve ball being disposed in the receiving groove and two ends of the spring being elastically abutted against the valve ball and the knob, the external thread of the knob being threaded to advance and retreat.