阅读说明：本技术 具有特斯拉阀的燃气灶防回火装置 (Gas stove backfire-proof device with Tesla valve ) 是由 郭健 王阿彪 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种具有特斯拉阀的燃气灶防回火装置,包括防回火机构、切换装置、连接装置、安装在燃气灶上的底座、燃气输入管和燃气输出管,所述底座的侧面转动连接有第一固定板,所述防回火机构安装在第一固定板上,用于实现燃气从燃气输入管到燃气输出管的单向导通,所述切换装置安装在第一固定板上,用于对防回火机构进行更换,所述连接装置安装在第一固定板上,此具有特斯拉阀的燃气灶防回火装置,解决了现有的燃气灶防回火装置使用时结构复杂容易损坏,更换维修成本较高且不够便捷的问题,该装置结构稳定,安装便捷,使用了特斯拉阀的单向导通性能,阀体内部结构简单坚固,生产成本低,方便人们使用。(The invention discloses a gas stove anti-backfire device with a Tesla valve, which comprises an anti-backfire mechanism, a switching device, a connecting device, a base arranged on a gas stove, a gas input pipe and a gas output pipe, wherein the side surface of the base is rotatably connected with a first fixing plate, the anti-backfire mechanism is arranged on the first fixing plate and is used for realizing the one-way conduction of gas from the gas input pipe to the gas output pipe, the switching device is arranged on the first fixing plate and is used for replacing the anti-backfire mechanism, and the connecting device is arranged on the first fixing plate. The valve body has simple and firm internal structure and low production cost, and is convenient for people to use.)

1. Gas-cooker anti-backfire device with tesla valve, its characterized in that includes:

the gas stove comprises a base (1), a gas input pipe (2) and a gas output pipe (3), wherein the base is arranged on the gas stove, and the side surface of the base (1) is rotatably connected with a first fixing plate (4);

the anti-backfire mechanism (5) is arranged on the first fixing plate (4) and is used for realizing the one-way conduction of gas from the gas input pipe (2) to the gas output pipe (3);

the switching device (6) is arranged on the first fixing plate (4) and used for replacing the anti-backfire mechanism (5);

the connecting device (7) is installed on the first fixing plate (4) and used for driving the used anti-backfire mechanism (5) to be disconnected from the gas input pipe (2) and the gas output pipe (3) when the switching device (6) operates, and meanwhile, after the switching device (6) completes the switching of the anti-backfire mechanism (5), the new anti-backfire mechanism (5) is communicated with the gas input pipe (2) and the gas output pipe (3).

2. The gas range back fire prevention device with a tesla valve as claimed in claim 1, wherein: the anti-backfire mechanism (5) comprises two Tesla valves (8) fixedly mounted on the side face of the first fixing plate (4), the two Tesla valves (8) are opposite in conduction direction, and the height is one higher than one lower.

3. The gas range back fire prevention device having a tesla valve as set forth in claim 2, wherein: connecting device (7) include second connecting pipe (10) at first connecting pipe (9) and fixed mounting at Tesla valve (8) both ends, be equipped with on second connecting pipe (10) and be used for conducting sealing member (11) of adjusting to the conductivity of second connecting pipe (10), fixedly connected with is rather than hose (12) that are linked together on second connecting pipe (10), the both ends of first connecting pipe (9) are linked together with two hose (12) respectively, the middle part fixed mounting of first connecting pipe (9) has third connecting pipe (13) rather than being linked together, all be equipped with on gas input tube (2) and gas output tube (3) and be used for connecting piece (14) that are connected with third connecting pipe (13).

4. The gas range back fire prevention device with a tesla valve as claimed in claim 3, wherein: sealing member (11) are including device box (15) that fixed mounting just is linked together with second connecting pipe (10) on second connecting pipe (10), roll in device box (15) and be connected with rubber ball sealer (16), the diameter of rubber ball sealer (16) is greater than the internal diameter of second connecting pipe (10), device box (15) are installed in one side that first connecting pipe (9) were kept away from in second connecting pipe (10).

5. The gas range back fire prevention device with a tesla valve as claimed in claim 4, wherein: connecting piece (14) include with third connecting pipe (13) threaded connection's fourth connecting pipe (17), fourth connecting pipe (17) and gas input tube (2) or gas output tube (3) threaded connection, fixedly connected with stopper (18) on fourth connecting pipe (17), sliding connection has on fourth connecting pipe (17) and rotates bevel gear (19) of being connected with stopper (18) sliding connection and with the gas-cooker, two fixedly connected with second fixed plate (20) on Tesla valve (8), rotating connection has bevel gear dish (21) with bevel gear (19) engaged with on second fixed plate (20), switching device (6) are used for driving bevel gear dish (21) to rotate and second fixed plate (20) rotate and make Tesla valve (8) accomplish to switch and connect.

6. The gas range back fire prevention device with a tesla valve as claimed in claim 5, wherein: switching device (6) are including slider (22) of fixed mounting in third connecting pipe (13) bottom surface, fixedly connected with and slider (22) sliding connection's guide way (23) on first fixed plate (4), one end fixedly connected with fixed block (24) of guide way (23), fixedly connected with and slider (22) fixed connection's first spring (25) on fixed block (24), be equipped with on bevel gear dish (21) and be used for driving its rotation and can drive slider (22) gliding driving piece (26) in guide way (23).

7. The gas range back fire prevention device with a tesla valve as claimed in claim 6, wherein: the driving piece (26) comprises a handle (27), a first limiting groove (28) is formed in the bevel gear disc (21), a second limiting groove (29) is formed in the second fixing plate (20), a first clamping block (30) clamped with the first limiting groove (28) is fixedly connected to the handle (27), a first round rod (31) is fixedly connected to one end, away from the handle (27), of the first clamping block (30), the first round rod (31) penetrates through and is slidably connected with a second round rod (32), a second clamping block (33) clamped with the second limiting groove (29) is fixedly connected to one end, away from the first clamping block (30), of the second round rod (32), a second spring (34) fixedly connected with the first fixing plate (4) is fixedly connected to the bottom surface of the second clamping block (33), a third limiting groove (35) is formed in the second clamping block (33), one end, far away from the first clamping block (30), of the first round rod (31) is fixedly connected with a third clamping block (36) clamped with a third limiting groove (35), the first limiting groove (28), the second limiting groove (29) and the third limiting groove (35) are all regular polygons, and a pulling piece (37) used for driving the sliding block (22) to slide is arranged on the second clamping block (33).

8. The gas range back fire prevention device with a tesla valve as claimed in claim 7, wherein: the pulling piece (37) comprises a pulling rope (38), the second clamping block (33) is fixedly connected with a pulling block (39), the first fixing plate (4) is fixedly connected with a support (40), the support (40) is rotatably connected with a rolling shaft (41), one end of the pulling rope (38) is fixedly connected with the pulling block (39), the other end of the pulling rope is fixedly connected with the side face of the first connecting pipe (9), and the middle of the pulling rope (38) is in sliding connection with the rolling shaft (41).

9. The gas range back fire prevention device with a tesla valve as claimed in claim 7, wherein: the surface of the handle (27) is made of anti-skid rubber.

Technical Field

The invention relates to the technical field of gas stove tempering prevention, in particular to a gas stove tempering prevention device with a Tesla valve.

Background

The gas stove is a kitchen utensil heated by direct fire with liquefied petroleum gas (liquid), artificial gas, natural gas and other gas fuels. The gas stove is also called a gas stove, a stove plate, a stove top and a stove, the popularization degree of the gas stove is unknown, but a passing concept is difficult to see. Gas stoves are mainly classified into liquefied gas stoves, and natural gas stoves, depending on the source of the gas. According to the range, the range is divided into a single range, a double range and a multi-range.

The existing gas stove tempering preventing device mostly adopts a mechanical one-way valve to prevent gas tempering, but the structure of the mechanical one-way valve is complex, the valve body sealing performance can be weakened after long-term use, the tempering phenomenon caused by leakage is generated, the danger is caused, meanwhile, the existing valve body structure is complex, the maintenance and replacement cost is higher, and the use cost of people is improved. To this end, we propose a gas range back fire prevention device with a tesla valve.

Disclosure of Invention

The present invention is directed to a gas range back fire prevention device with a tesla valve, which is easy to replace and maintain, to solve the above problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the gas stove anti-backfire device with the Tesla valve comprises an anti-backfire mechanism, a switching device, a connecting device, a base, a gas input pipe and a gas output pipe, wherein the base is arranged on a gas stove, the side surface of the base is rotatably connected with a first fixing plate, the anti-backfire mechanism is arranged on the first fixing plate and is used for realizing the one-way conduction of gas from the gas input pipe to the gas output pipe, the switching device is arranged on the first fixing plate and is used for replacing the anti-backfire mechanism, the connecting device is arranged on the first fixing plate and is used for driving the used anti-backfire mechanism to be disconnected from the gas input pipe and the gas output pipe when the switching device operates, and simultaneously after the switching device completes the switching of the anti-backfire mechanism, a new anti-backfire mechanism is communicated with the gas input pipe and the gas output pipe, the device has a stable structure and is convenient to install, the one-way conduction performance of the Tesla valve is used, the internal structure of the valve body is simple and firm, the production cost is low, and the use by people is facilitated.

Preferably, the anti-backfire mechanism comprises two tesla valves fixedly mounted on the side surface of the first fixing plate, the two tesla valves are opposite in conduction direction and have a higher height and a lower height, the tesla valves are stable one-way conduction airflow valves, no movable part is arranged inside the tesla valves, and the one-way conduction of the airflow can be realized without inputting energy.

Preferably, connecting device includes first connecting pipe and the second connecting pipe of fixed mounting at tesla valve both ends, be equipped with the sealing member that is used for adjusting the conductivity of second connecting pipe on the second connecting pipe, fixedly connected with is rather than the hose that is linked together on the second connecting pipe, the both ends of first connecting pipe are linked together with two hoses respectively, the middle part fixed mounting of first connecting pipe has the third connecting pipe rather than being linked together, all be equipped with the connecting piece that is used for being connected with the third connecting pipe on gas input tube and the gas output tube, be convenient for be connected tesla valve and gas input tube and gas output tube.

Preferably, the sealing member includes the device box that fixed mounting just is linked together with the second connecting pipe on the second connecting pipe, roll connection has rubber sealing ball in the device box, rubber sealing ball's diameter is greater than the internal diameter of second connecting pipe, the device box is installed in one side that first connecting pipe was kept away from to the second connecting pipe, is convenient for switch the operating condition of two tesla valves.

Preferably, the connecting piece includes the fourth connecting pipe with third connecting pipe threaded connection, fourth connecting pipe and gas input tube or gas output pipe threaded connection, fixedly connected with stopper on the fourth connecting pipe, sliding connection has the bevel gear with stopper sliding connection and with the gas-cooker rotation connection on the fourth connecting pipe, two fixedly connected with second fixed plate on the tesla valve, rotate on the second fixed plate and be connected with the bevel gear dish with bevel gear engaged with, auto-change over device is used for driving bevel gear dish to rotate and the second fixed plate rotates makes the tesla valve accomplish to switch and connect, is convenient for gas input tube and gas output tube to be connected with the third connecting pipe.

Preferably, auto-change over device includes the slider of fixed mounting in third connecting pipe bottom surface, fixedly connected with and slider sliding connection's guide way on the first fixed plate, the one end fixedly connected with fixed block of guide way, fixedly connected with and slider fixed connection's first spring on the fixed block, be equipped with on the bevel gear dish and be used for driving it and rotate and can drive the gliding driving piece of slider in the guide way, be convenient for drive third connecting pipe and slide and keep away from the fourth connecting pipe, convenient the rotation.

Preferably, the driving member includes a handle, the bevel gear disc is provided with a first limiting groove, the second fixing plate is provided with a second limiting groove, the handle is fixedly connected with a first clamping block clamped with the first limiting groove, one end of the first clamping block far away from the handle is fixedly connected with a first round bar, the first round bar penetrates through and is slidably connected with a second round bar, one end of the second round bar far away from the first clamping block is fixedly connected with a second clamping block clamped with the second limiting groove, the bottom surface of the second clamping block is fixedly connected with a second spring fixedly connected with the first fixing plate, the second clamping block is provided with a third limiting groove, one end of the first round bar far away from the first clamping block is fixedly connected with a third clamping block clamped with the third limiting groove, the first limiting groove, the second limiting groove and the third limiting groove are regular polygons, the second clamping block is provided with a pulling member for driving the sliding block, so as to drive the bevel gear disc to rotate.

Preferably, the pulling part comprises a pulling rope, the second clamping block is fixedly connected with a pulling block, the first fixing plate is fixedly connected with a support, the support is rotatably connected with a rolling shaft, one end of the pulling rope is fixedly connected with the pulling block, the other end of the pulling rope is fixedly connected with the side face of the first connecting pipe, the middle of the pulling rope is connected with the rolling shaft in a sliding manner, and the sliding block is conveniently driven to slide in the guide groove.

Preferably, the surface of the handle is made of anti-slip rubber materials, so that friction is increased, and the operation is convenient.

Compared with the prior art, the invention has the beneficial effects that:

1. the gas stove anti-backfire device solves the problems that the existing gas stove anti-backfire device is complex in structure and easy to damage when in use, high in replacement and maintenance cost and not convenient enough, has stable structure and convenience in installation, uses the one-way conduction performance of a Tesla valve, has a simple and firm valve body internal structure and low production cost, and is convenient for people to use;

2. according to the invention, the anti-backfire mechanism and the switching device are arranged, so that the anti-backfire mechanism can be conveniently replaced, the efficiency of people in replacing the anti-backfire mechanism is greatly improved, and the later maintenance cost is reduced;

3. the connecting device is arranged, so that the in-use anti-backfire mechanism is driven to be disconnected from the fuel gas input pipe and the fuel gas output pipe when the switching device operates, and meanwhile, after the switching device completes the switching of the anti-backfire mechanism, the new anti-backfire mechanism is communicated with the fuel gas input pipe and the fuel gas output pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the Tesla valve of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a schematic view of a connecting device according to the present invention;

FIG. 6 is an enlarged view of area B of FIG. 5;

FIG. 7 is a cross-sectional view of the overall construction of the present invention;

FIG. 8 is an enlarged view of area C of FIG. 7;

FIG. 9 is an enlarged view of area D of FIG. 7;

FIG. 10 is an exploded view of the driving member structure of the present invention;

fig. 11 is an enlarged view of region E in fig. 10.

In the figure: 1-a base; 2-a gas input pipe; 3-a gas output pipe; 4-a first fixing plate; 5-an anti-backfire mechanism; 6-a switching device; 7-a connecting device; 8-Tesla valve; 9-a first connection pipe; 10-a second connecting tube; 11-a seal; 12-a hose; 13-a third connecting tube; 14-a connector; 15-a device cartridge; 16-rubber sealing ball; 17-a fourth connecting tube; 18-a limiting block; 19-bevel gear; 20-a second fixing plate; 21-bevel gear disc; 22-a slide block; 23-a guide groove; 24-fixing blocks; 25-a first spring; 26-a drive member; 27-a handle; 28-a first restraint slot; 29-a second limit groove; 30-a first latch; 31-a first round bar; 32-a second round bar; 33-a second cartridge; 34-a second spring; 35-a third limiting groove; 36-a third fixture block; 37-a pulling member; 38-a pull rope; 39-pulling the block; 40-a scaffold; 41-roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the gas stove anti-backfire device with tesla valve in the drawings comprises an anti-backfire mechanism 5, a switching device 6, a connecting device 7, a base 1 installed on the gas stove, a gas input pipe 2 and a gas output pipe 3, wherein a first fixing plate 4 is rotatably connected to the side surface of the base 1, the anti-backfire mechanism 5 is installed on the first fixing plate 4 and is used for realizing the one-way conduction of gas from the gas input pipe 2 to the gas output pipe 3, the switching device 6 is installed on the first fixing plate 4 and is used for replacing the anti-backfire mechanism 5, the connecting device 7 is installed on the first fixing plate 4 and is used for driving the anti-backfire mechanism 5 in use to be disconnected from the gas input pipe 2 and the gas output pipe 3 when the switching device 6 operates, and after the switching device 6 completes the switching of the anti-backfire mechanism 5, so that the new anti-backfire mechanism 5 is communicated with the fuel gas input pipe 2 and the fuel gas output pipe 3.

The anti-backfire mechanism 5 comprises two tesla valves 8 fixedly arranged on the side surface of the first fixing plate 4, the conducting directions of the two tesla valves 8 are opposite, and the height is one higher than one lower.

Connecting device 7 includes first connecting pipe 9 and second connecting pipe 10 of fixed mounting at tesla valve 8 both ends, be equipped with on the second connecting pipe 10 and be used for carrying out the sealing member 11 adjusted to the conductivity of second connecting pipe 10, fixedly connected with is rather than the hose 12 that is linked together on the second connecting pipe 10, the both ends of first connecting pipe 9 are linked together with two hoses 12 respectively, the middle part fixed mounting of first connecting pipe 9 has the third connecting pipe 13 rather than being linked together, all be equipped with on gas input tube 2 and the gas output tube 3 and be used for the connecting piece 14 that is connected with third connecting pipe 13.

The sealing element 11 comprises a device box 15 which is fixedly installed on the second connecting pipe 10 and communicated with the second connecting pipe 10, a rubber sealing ball 16 is connected in the device box 15 in a rolling mode, the diameter of the rubber sealing ball 16 is larger than the inner diameter of the second connecting pipe 10, and the device box 15 is installed on one side, far away from the first connecting pipe 9, of the second connecting pipe 10.

In this embodiment, the tesla valve 8 is a one-way conduction airflow valve of the talent scientist nigula tesla, and has no movable part and can realize one-way conduction of airflow without inputting energy. The difference between the forward flow and the reverse flow is huge, the mechanical movement is not needed inside, the gas flow is pushed by utilizing a space structure, the gas is accelerated through a physical structure, and the energy loss of the gas in the transportation process is reduced. In a normal state, gas enters the connecting piece 14 through the gas input pipe 2 and is transmitted to the third connecting pipe 13, and then flows into the hose 12 through the first connecting pipe 9, at this time, due to the influence of gravity, the rubber sealing ball 16 in the upper device box 15 falls into the second connecting pipe 10 to block the second connecting pipe 10, so that the gas cannot flow out from the upper tesla valve 8, at this time, the rubber sealing ball 16 in the lower device box 15 falls to the bottom of the device box 15 to keep the second connecting pipe 10 in a smooth state, the gas flows to the other end through the lower tesla valve 8, flows out from the second connecting pipe 10 at the other end, flows to the gas output pipe 3 through the hose 12, the first connecting pipe 9, the third connecting pipe 13 and the connecting piece 14 to be output, when the gas stove generates fire, the gas cannot pass through the upper tesla valve 8, when the gas passes through the lower tesla valve 8, the resistance that the gas received is great, has utilized the one-way conduction characteristic of tesla valve 8 can realize the function of preventing tempering, can drive connecting piece 14 through auto-change over device 6 and remove the connection to drive first fixed plate 4 and rotate around base 1, thereby realize the function of changing two tesla valve 8 positions, then the change that can accomplish tesla valve 8 is connected connecting piece 14 through auto-change over device 6 again.

Example 2

Referring to fig. 5-9 to describe embodiment 2, this embodiment further describes embodiment 1, in the illustration, the connecting member 14 includes a fourth connecting pipe 17 in threaded connection with the third connecting pipe 13, the fourth connecting pipe 17 is in threaded connection with the gas input pipe 2 or the gas output pipe 3, a limiting block 18 is fixedly connected to the fourth connecting pipe 17, a bevel gear 19 slidably connected to the limiting block 18 and rotatably connected to the gas stove is slidably connected to the fourth connecting pipe 17, a second fixing plate 20 is fixedly connected to the two tesla valves 8, a bevel gear plate 21 engaged with the bevel gear 19 is rotatably connected to the second fixing plate 20, and the switching device 6 is configured to drive the bevel gear plate 21 to rotate and the second fixing plate 20 to rotate, so that the tesla valves 8 complete switching and connection.

Switching device 6 includes slider 22 of fixed mounting in third connecting pipe 13 bottom surface, fixedly connected with and slider 22 sliding connection's guide way 23 on the first fixed plate 4, the one end fixedly connected with fixed block 24 of guide way 23, fixedly connected with and slider 22 fixed connection's first spring 25 on the fixed block 24, be equipped with on the bevel gear dish 21 and be used for driving its rotation and can drive slider 22 gliding driving piece 26 in guide way 23.

In this embodiment, the driving member 26 can drive the bevel gear disc 21 to rotate, thereby driving the bevel gear 19 to rotate, the bevel gear 19 drives the fourth connecting pipe 17 to rotate through the limiting block 18, so that the fourth connecting pipe 17 is disconnected from the thread of the third connecting pipe 13, at this time, the driving member 26 is pulled to drive the sliding block 22 to slide in the guiding groove 23, thereby compressing the first spring 25, the first connecting pipe 9 and the third connecting pipe 13 move away from the fourth connecting pipe 17, thereby preventing the blockage generated during the rotation, the second fixing plate 20 is rotated through the driving member 26, thereby driving the two tesla valves 8 to rotate, the third connecting pipe 13 is separated through the driving member 26 after rotating 180 degrees, and the bevel gear disc 21 is driven to rotate so that the bevel gear 19 rotates, thereby the fourth connecting pipe 17 rotates until the thread connection with the third connecting pipe 13 is completed, at this time, the driving member 26 is loosened, the switching operation of the tesla valve 8 is completed.

Example 3

Referring to fig. 7-11 to describe embodiment 3, in this embodiment, a further description is given to embodiment 2, in the illustration, the driving member 26 includes a handle 27, the bevel gear disc 21 is provided with a first limiting groove 28, the second fixing plate 20 is provided with a second limiting groove 29, the handle 27 is fixedly connected with a first clamping block 30 clamped with the first limiting groove 28, one end of the first clamping block 30 away from the handle 27 is fixedly connected with a first round rod 31, the first round rod 31 penetrates and is slidably connected with a second round rod 32, one end of the second round rod 32 away from the first clamping block 30 is fixedly connected with a second clamping block 33 clamped with the second limiting groove 29, a bottom surface of the second clamping block 33 is fixedly connected with a second spring 34 fixedly connected with the first fixing plate 4, the second clamping block 33 is provided with a third limiting groove 35, one end of the first round rod 31 away from the first clamping block 30 is fixedly connected with a third clamping block 36 clamped with the third limiting groove 35, the first limiting groove 28, the second limiting groove 29 and the third limiting groove 35 are all regular polygons, and the second fixture block 33 is provided with a pulling part 37 for driving the sliding block 22 to slide.

The pulling part 37 comprises a pulling rope 38, the second clamping block 33 is fixedly connected with a pulling block 39, the first fixing plate 4 is fixedly connected with a bracket 40, the bracket 40 is rotatably connected with a roller 41, one end of the pulling rope 38 is fixedly connected with the pulling block 39, the other end of the pulling rope 38 is fixedly connected with the side surface of the first connecting pipe 9, and the middle part of the pulling rope 38 is slidably connected with the roller 41.

Wherein, in order to increase the friction and facilitate the operation, the surface of the handle 27 is made of anti-skid rubber.

In this embodiment, the handle 27 is rotated, at this time, the first latch 30 is latched with the first stopper 18, the second latch 33 is disengaged from the second stopper groove 29, the third latch 36 is disengaged from the third stopper groove 35, the first latch 30 drives the bevel gear disc 21 to rotate, so as to drive the bevel gear 19 to rotate, the fourth connecting pipe 17 can be rotated out of the third connecting pipe 13, at this time, the handle 27 is pulled, the second spring 34 is stretched, so as to clamp the third latch 36 into the third stopper groove 35, pulling is continued, the third latch 36 drives the second latch 33 to move, the second latch 33 drives the pulling block 39 to move, so as to drive the pulling rope 38 to move, the pulling rope 38 pulls the first connecting pipe 9, so as to slide the slider 22 in the guide groove 23, so as to compress the first spring 25, at this time, the third connecting pipe 13 is retracted, so as to continue pulling the handle 27, the third latch 36 drives the second latch 33 to be clamped into the second stopper groove 29, the first block 30 is separated from the first limit groove 28, the second round rod 32 enters the first limit groove 28, the handle 27 is rotated, the bevel gear disc 21 cannot rotate, the handle 27 drives the third block 36 to rotate through the first round rod 31, the third block 36 drives the second block 33 to rotate, the second block 33 drives the second fixing plate 20 to rotate, the second fixing plate 20 drives the two tesla valves 8 to rotate, the two tesla valves 8 drive the first fixing plate 4 to rotate, so that the switching of the whole tesla valve 8 is realized, after the handle 27 is loosened after the handle is rotated for 180 degrees, the first spring 25 pushes the sliding block 22 to move forward, so that the third connecting pipe 13 is close to the fourth connecting pipe 17, the second spring 34 pulls the second block 33 to be separated from the second limit groove 29, the handle 27 is pushed, so that the third block 36 is separated from the third limit groove 35, at this time, the first block 30 is inserted into the first limit groove 28, the handle 27 is rotated, the handle 27 drives the first latch 30 to rotate, so that the bevel gear disc 21 rotates, the bevel gear disc 21 drives the bevel gear 19 to rotate, and further drives the fourth connecting pipe 17 to rotate, and the threaded connection with the third connecting pipe 13 is completed, so that the installation is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.