CN218267330U

CN218267330U - Side wall valve

Info

Publication number: CN218267330U
Application number: CN202221957293.9U
Authority: CN
Inventors: 方雪超
Original assignee: Yuhuan Jietai Valve Co ltd
Current assignee: Yuhuan Jietai Valve Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-10
Anticipated expiration: 2032-07-22

Abstract

The utility model belongs to the technical field of, concretely relates to, include: the valve body is internally provided with a flow passage; the anti-false-opening device is arranged in the valve body, and the end part of the anti-false-opening device is arranged in the flow passage and is used for communicating or blocking the flow passage; the end face of the hand wheel is connected with the false opening prevention device; wherein the false opening prevention device at least has: the upper end surface of the upper valve rod is convexly provided with a third boss and is connected with a hand wheel; the upper end surface of the upper valve rod is movably abutted against the lower end surface of the positioning pressure plate; the end part of the elastic component is abutted against the lower ends of the valve body and the upper valve rod and is used for enabling the upper valve rod to have the tendency of abutting against the positioning pressure plate; the positioning pressing plate is provided with a limiting groove for accommodating the third boss; the positions of the third boss and the limiting open groove are switched by pressing the rotating hand wheel, so that the opening or closing of the anti-false opening device is controlled. An elastic component is arranged between the upper valve body and the valve body, the handle is pressed downwards and rotated to open the side wall valve, the child is prevented from opening the side wall valve by mistake, and the safety is ensured.

Description

Side wall valve

Technical Field

The utility model relates to a lateral wall valve is refered in particular to in domestic kitchen appliance technical field.

Background

The traditional Chinese patent CN107477215A discloses a gas valve, which comprises a valve body and a hollow valve core, wherein the valve core is pivotally arranged in a valve cavity of the valve body, the valve cavity comprises a valve cavity bottom wall provided with a valve cavity air inlet, the valve core comprises a valve core bottom wall provided with a valve core air inlet, and the valve core bottom wall is stacked above the valve cavity bottom wall and can rotate relative to the valve cavity bottom wall so as to adjust the air inlet of the valve cavity through the change of the overlapping opening area of the valve cavity air inlet and the valve core air inlet. In the gas valve, the valve core is rotated to form a rotationally matched gas inlet opening adjusting structure between the gas inlet of the valve core and the gas inlet of the valve cavity, so that the gas inlet of the valve cavity of the gas valve can be adjusted.

When the gas valve is used, the gas valve can be directly opened after rotating, so that the problem that a child mistakenly opens the gas valve exists, and the use safety is influenced.

Disclosure of Invention

The utility model aims at providing a lateral wall valve is through installing elastomeric element between last valve rod and valve body for go up the valve rod and have the trend of butt positioning pressure plate, through pressing down and rotating the handle, switch the boss three with limit the position of slotted hole, realize opening of lateral wall valve, thereby solve the problem that the gas was opened by the mistake and brought.

The purpose of the utility model is realized like this:

a sidewall valve comprising:

the valve body is internally provided with a flow passage;

the anti-false-opening device is arranged in the valve body, and the end part of the anti-false-opening device is arranged in the flow passage and is used for communicating or blocking the flow passage;

the end face of the hand wheel is connected with the false opening prevention device;

wherein the false opening prevention device at least has:

the upper end surface of the upper valve rod is convexly provided with a third boss and is connected with a hand wheel;

the upper end surface of the upper valve rod is movably abutted against the lower end surface of the positioning pressure plate;

the end part of the elastic component is abutted against the lower ends of the valve body and the upper valve rod and is used for enabling the upper valve rod to have the tendency of abutting against the positioning pressure plate;

the positioning pressing plate is provided with a limiting groove for accommodating the third boss;

the positions of the third boss and the limiting open groove are switched by pressing the rotating hand wheel, so that the opening or closing of the anti-false-opening device is controlled.

Preferably, a positioning block is formed on the side edge of the limiting groove, and the upper valve rod is rotated to enable the side wall of the boss III to abut against the positioning block for limiting the rotation angle of the upper valve rod.

Preferably, the lower end face of the upper valve rod is provided with a mounting cavity, the lower end of the upper valve rod is provided with a lower valve rod, a second boss is formed in the middle of the mounting cavity, the elastic part is sleeved on the second boss, a groove is formed in the two end faces of the boss, a second projection matched with the groove is formed in the end face of the lower valve rod, and the second projection is arranged in the groove.

Preferably, the joint spare is installed to the upper end of positioning pressure plate, holds the intracavity and takes shape in one and have the constant head tank, and the joint spare is installed in this constant head tank for restriction positioning pressure plate and last valve stem break away from and hold intracavity one.

Preferably, a containing hole is formed between the flow channel and the installing cavity, the lower valve rod is installed in the containing hole, a first limiting groove is formed in the side wall of the flow channel, a first limiting portion matched with the first limiting groove is formed in the end face of the lower valve rod, and the end face of the first limiting portion abuts against the end face of the first limiting groove and is used for limiting the lower valve rod to be separated from the flow channel.

Preferably, the lower end of the lower valve rod is provided with a valve ball, the upper end surface of the valve ball is provided with a fixing groove, the lower end of the lower valve rod is formed with a first protruding block matched with the fixing groove, and the valve ball rotates along with the rotation of the lower valve rod.

Preferably, the self-closing device is arranged at the air inlet end of the flow passage;

wherein the self-closing device comprises at least:

a valve stem support mounted within the flow passage; is fixed in the valve body;

the self-closing valve core is movably arranged on the valve rod bracket;

the self-closing spring is arranged on the self-closing valve core, and the end parts of the self-closing spring are respectively abutted against the valve rod bracket and the tail end of the self-closing valve core;

when the first thrust of the gas in the flow channel to the self-closing valve core is greater than the second thrust of the self-closing spring to the self-closing valve core, the self-closing valve core blocks the flow channel under the action of the first thrust to prevent the gas from continuously passing through the flow channel.

Preferably, the self-closing valve cartridge includes:

the tail end of the piston rod penetrates through the valve rod support, and the self-closing spring is installed on the piston rod;

a stopper portion formed at the distal end of the piston rod;

the self-closing spring is abutted against the end face of the limiting block;

under the action of the second thrust, the plugging part overcomes the elastic force of the self-closing spring, the inner wall of the sealing part in the flow channel is plugged, and the edge of the plugging part has the tendency of abutting against the inner wall of the sealing part.

Preferably, the blocking part is a bowl bent toward the air inlet end of the flow passage.

Preferably, the end of the valve body is formed with a base, the end face of the valve body is provided with a plurality of first mounting holes, and one end of the locking piece penetrates through the first mounting holes and is fixedly connected with the mounting surface.

Compared with the prior art, the utility model has the advantages that:

1. through installing elastomeric element between last valve rod and valve body for last valve rod has the trend of butt location clamp plate, just can open the lateral wall valve through pressing down and rotating the handle, switches the boss three and limits the position of grooving, realizes opening of lateral wall valve, can avoid the emergence of the harm that the open by mistake of child brought like this, guarantees the security.

2. When gas leaks, the first thrust of the gas in the flow channel to the self-closing valve core is greater than the second thrust of the self-closing spring to the self-closing valve core, and the self-closing valve core blocks the flow channel under the action of the first thrust to prevent the gas from continuously leaking and ensure the use safety.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an overall exploded view of the present invention.

Fig. 3 is an explosion diagram of the anti-false opening device of the present invention.

Fig. 4 is a cross-sectional view of the anti-misopening device of the present invention.

Fig. 5 is a state diagram of the present invention in a closed state.

Fig. 6 is a state diagram of the present invention in an open state.

Fig. 7 is an exploded view of the self-closing device of the present invention.

Fig. 8 is a sectional view of the present invention.

Fig. 9 is a cross-sectional view of the present invention when gas leaks.

Fig. 10 is a cross-sectional view of the present invention after rotation.

Reference numerals: 100. a valve body; 101. a first accommodating cavity; 102. positioning a groove; 103. a flow channel; 104. an accommodation hole; 105. a first limiting groove; 106. a base; 107. a first mounting hole; 108. an air inlet end; 200. a false opening prevention device; 201. an upper valve stem; 202. a lower valve stem; 203. positioning a pressing plate; 204. an elastic member; 205. a clamping piece; 206. a third bump; 207. limiting the grooves; 208. a boss III; 210. positioning blocks; 211. a mounting cavity; 212. a second boss; 213. a second bump; 214. a groove; 215. a hand wheel; 216. a third mounting groove; 217. a second mounting hole; 218. a limiting part; 219. a first bump; 220. a valve ball; 221. fixing grooves; 222. a fixing pad; 223. a rotating groove; 224. a rotating part; 300. a self-closing device; 301. a valve stem support; 302. a self-closing valve element; 303. a movable cavity; 304. a plugging section; 305. a piston rod; 306. a self-closing spring; 307. a limiting block; 308. a through hole; 309. self-closing seat.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a sidewall valve includes: a valve body 100, a self-closing device 300 and an anti-false opening device 200.

A flow channel 103 is formed in the valve body 100, fuel gas is transmitted in the flow channel 103, a first accommodating cavity 101 is formed in the downward concave upper end surface of the valve body 100, a vertical accommodating hole 104 is formed between the flow channel 103 and the first accommodating cavity 101, the mistaken opening preventing device 200 is installed in the accommodating hole 104, and part of the mistaken opening preventing device is arranged in the flow channel 103 and used for plugging or conducting the flow channel 103.

As shown in fig. 3, the false opening prevention device 200 includes: the valve comprises an upper valve rod 201, a lower valve rod 202, a positioning pressure plate 203, an elastic component 204 and a clamping piece 205.

As shown in fig. 4, the upper valve rod 201 is installed in the first accommodating cavity 101, a third projection 206 is formed on the upper end surface of the upper valve rod 201 in a protruding manner, a third projection 208 is formed on the third projection 206 in a protruding manner, and the third projection 208 protrudes out of the first accommodating cavity 101;

the positioning pressing plate 203 is arranged at the opening of the first accommodating cavity 101, the middle part of the positioning pressing plate 203 is provided with a limit slot 207 similar to the outer profile of the third bump 206, and the third bump 206 can be arranged in the limit slot 207 but cannot rotate in the limit slot 207;

the elastic component 204 is arranged in the first accommodating cavity 101, and the end parts of the elastic component respectively abut against the lower end of the upper valve rod 201 and the bottom of the first accommodating cavity 101 to support the upper valve rod 201, so that the upper valve rod 201 has the tendency of protruding out of the first accommodating cavity 101, namely, the tendency of abutting against the positioning pressing plate 203.

When the third projection 206 is placed in the limiting groove 207, the third projection and the third projection are not separated due to the elastic component 204, the upper end surface of the upper valve rod 201 abuts against the lower end surface of the positioning pressing plate 203, and at the moment, the upper valve rod 201 cannot rotate, namely, the side wall valve cannot be opened;

referring to fig. 5 and 6, when the sidewall valve needs to be opened, the upper valve rod 201 is pressed downward, so that the third projection 206 is separated from the limiting groove 207 and enters the first accommodating cavity 101, and the upper valve rod 201 can rotate, and then the lower valve rod 202 is driven to rotate, so that the flow passage is communicated.

Both sides all are provided with locating piece 210 on the lateral wall of limit slot 207, press down upper valve rod 201, make three 206 of lug break away from limit slot 207, then rotate upper valve rod 201, the lateral wall butt of three 208 of boss is at the terminal surface of locating piece 210, and then restricted upper valve rod 201 and continued the rotation, release upper valve rod 201 this moment, the up end butt of three 206 of lug is at the lower terminal surface of positioning pressure plate 203, the lateral wall valve that corresponds is in the complete open mode, positioning pressure plate 203 can prevent that three 206 of lug from breaking away from and holding chamber 101, the pivoted angle can be guaranteed to locating piece 210, guarantee the security of using simultaneously, stop the condition of the open by mistake appearing.

The lower end face of the upper valve rod 201 is upwards sunken and provided with a mounting cavity 211, a second boss 212 is formed at the bottom of the mounting cavity 211 in a protruding mode, the elastic part 204 is sleeved on the second boss 212 and is arranged in the mounting cavity 211, the lower end of the upper valve rod 201 is provided with the lower valve rod 202, a second boss 213 is formed at the upper end face of the lower valve rod 202 in a upwards protruding mode, the end face of the second boss 212 is sunken and provided with a groove 214, the second boss 213 is arranged in the groove 214, the transmission of torque is achieved, the rotating hand wheel is achieved, and the valve core can be driven to rotate.

Holding the upper end of chamber 101 and having seted up constant head tank 102, installing the joint piece 205 of C type form in the constant head tank 102, receiving outside tensile influence, the terminal surface circumference butt of joint piece 205 is at the inner wall of constant head tank 102 and is in the upper end of positioning pressure plate 203, prevents that positioning pressure plate 203 from breaking away from and holding the chamber, influences the normal use of lateral wall valve.

The snap 205 is preferably a snap spring.

The hand wheel 215 is installed to the upper end of boss three 208, and the last terminal surface undercut of boss three 208 has seted up mounting groove three 216, and its inner wall shaping has the screw thread, and mounting hole two 217 has been seted up to the lower terminal surface of hand wheel 215, and the one end of tight latch fitting passes mounting hole two 217 in proper order and gets into mounting groove three 216, screws up tight latch fitting for hand wheel 215 is connected fixedly with boss three 208, makes things convenient for the rotation of lateral wall valve.

The lower valve rod 202 is installed in the accommodating hole 104, a first limiting groove 105 is formed in the flow passage 103, a limiting part 218 is formed at the lower end of the lower valve rod 202, the upper end surface of the limiting part 218 abuts against the inner wall of the first limiting groove 105, and the size of the limiting part 218 is smaller than that of the accommodating hole 104 to limit the lower valve rod 202 to be separated from the accommodating hole 104.

The lower end face of the lower valve rod 202 is formed with a first protruding block 219, the lower end of the lower valve rod 202 is provided with a valve ball 220 with a hollowed middle part, the valve ball 220 is hollowed on three sides and used for gas transportation, the end face of the valve ball 220 is provided with a fixing groove 221, the first protruding block 219 is installed in the fixing groove 221, the lower valve rod 202 rotates, the end face of the first protruding block 219 abuts against the end face of the fixing groove 221, and the valve ball 220 rotates along with the rotation of the lower valve rod 202, so that the gas is opened or closed.

Fixing pads 222 are installed on two sides of the valve ball 220, a rotating groove 223 is circumferentially formed in the end face, facing the valve ball 220, of the fixing pad 222, a rotating portion 224 is circumferentially formed in the end face, facing the fixing pad 222, of the valve ball 220, and the rotating portion 224 is movably installed in the rotating groove 223, so that the valve ball 220 can rotate between the fixing pads 222 conveniently.

As shown in fig. 7, the self-closing device 300 comprises: a valve stem support 301, a self-closing valve core 302 and a self-closing spring 306.

As shown in fig. 8, the stem holder 301 is installed in the flow passage 103, a movable cavity 303 is formed inside the stem holder 301, an opening is opened on an end surface of the stem holder 301, and the self-closing valve core 302 moves in the movable cavity 303 through the opening.

The self-closing spool 302 includes: a blocking part 304, a piston rod 305, and a stopper 307.

The rear end surface of the valve rod support 301 is provided with a through hole 308, the piston rod 305 penetrates through the through hole 308, the front end of the piston rod 305 is formed with a blocking part 304, the blocking part 304 faces the bowl-shaped piece formed by bending the air inlet end 108 of the flow passage 103, the rear end of the piston rod 305 is provided with a limiting block 307, a self-closing spring 306 is installed between the rear end surface of the valve rod support 301 and the limiting block 307, and the rear end surface of the valve rod support 301 is abutted to the self-closing spring 306.

As shown in fig. 9, when gas leaks, the first thrust of the gas in the flow passage 103 to the self-closing valve element 302 is greater than the second thrust of the self-closing spring 306 to the self-closing valve element 302, the self-closing spring 306 is compressed and deformed, the blocking portion 304 moves out of the movable cavity 303 and abuts against the inner wall of the flow passage 103 in the circumferential direction, and the gas cannot pass through the blocking portion 304, so that the gas is effectively prevented from diffusing into the chamber.

As shown in fig. 10, when gas does not leak, the gas needs to be reused, at this time, only the hand wheel 215 needs to be rotated, the valve ball 220 also rotates, the rotating portion 224 contacts with the end of the piston rod 305 first, the piston rod 305 is pushed to move, the blocking portion 304 is separated from the inner wall of the flow channel 103, and then the blocking portion 304 is influenced by the elastic force of the self-closing spring 306, so that the blocking portion 304 is separated from the through hole 308 and returns to the movable cavity 303 again, at this time, the flow channel 103 returns to the conducting state, and the side wall valve can be further used continuously.

The self-closing device 300 has the following beneficial effects: when gas leaks, the self-closing device 300 can be automatically closed, the gas cannot penetrate through the blocking part 304, the gas is effectively prevented from being diffused into a room, and when the gas does not leak, the self-closing device 300 is restored to the original state as long as the hand wheel 215 is rotated, and the side wall valve can be continuously used.

In order to facilitate the installation of the self-closing device 300 in the flow passage 103, a self-closing seat 309 may be sleeved outside the valve rod support 301, the self-closing device 300 is installed in the self-closing seat 309, and the self-closing seat 309 is directly installed in the flow passage 103, so that the installation of the self-closing device 300 is facilitated.

The end of the valve body 100 is formed with a base 106, a plurality of mounting holes 107 are formed in the end face of the base 106, one end of the locking piece passes through the mounting holes 107 and is connected with a wall surface, and the valve body 100 is fixedly mounted on the mounting surface.

The mounting surface can be the inner wall or the wall of a cabinet, etc.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sidewall valve, comprising:

a valve body (100) in which a flow passage (103) is formed;

the anti-false-opening device (200) is arranged in the valve body (100), and the end part of the anti-false-opening device is arranged in the flow passage (103) and is used for conducting or blocking the flow passage (103);

a hand wheel (215) having an end surface connected to the erroneous opening prevention device (200);

wherein the false opening prevention device (200) at least has:

the upper end surface of the upper valve rod (201) is convexly provided with a boss III (208) and is connected with a hand wheel (215);

a positioning pressure plate (203) which is arranged on the valve body (100), and the upper end surface of the upper valve rod (201) is movably abutted against the lower end surface of the positioning pressure plate (203);

an elastic member (204) having an end portion abutting against the valve body (100) and a lower end of the upper stem (201) for giving the upper stem (201) a tendency to abut against the positioning pressure plate (203);

a limiting groove (207) for accommodating a boss III (208) is formed in the positioning pressing plate (203);

the positions of the boss III (208) and the limiting groove (207) are switched by pressing and rotating the hand wheel (215), so that the opening or closing of the anti-false-opening device (200) is controlled.

2. The sidewall valve of claim 1, wherein:

and a positioning block (210) is formed on the side edge of the limiting groove (207), the upper valve rod (201) is rotated, and the side wall of the boss III (208) is abutted against the positioning block (210) and used for limiting the rotation angle of the upper valve rod (201).

3. The sidewall valve of claim 1, wherein:

the lower end face of the upper valve rod (201) is provided with a mounting cavity (211), the lower end of the upper valve rod (201) is provided with a lower valve rod (202), a second boss (212) is formed in the middle of the mounting cavity (211), the elastic part (204) is sleeved on the second boss (212), the end face of the second boss (212) is provided with a groove (214), a second lug (213) matched with the groove (214) is formed on the end face of the lower valve rod (202), and the second lug (213) is arranged in the groove (214).

4. A sidewall valve according to claim 1, wherein:

the upper end of the positioning pressing plate (203) is provided with a clamping piece (205), a positioning groove (102) is formed in the accommodating cavity I (101), and the clamping piece (205) is arranged in the positioning groove (102) and used for limiting the positioning pressing plate (203) and the upper valve rod (201) to be separated from the accommodating cavity I (101).

5. The sidewall valve of claim 3, wherein:

an accommodating hole (104) is formed between the flow channel (103) and the mounting cavity (211), the lower valve rod (202) is mounted in the accommodating hole (104), a first limiting groove (105) is formed in the side wall of the flow channel (103), a limiting part (218) matched with the first limiting groove (105) is formed in the end face of the lower valve rod (202), and the end face of the limiting part (218) abuts against the end face of the first limiting groove (105) and is used for limiting the lower valve rod (202) to be separated from the flow channel (103).

6. A sidewall valve according to claim 3 or 5, wherein:

the lower end of the lower valve rod (202) is provided with a valve ball (220), the upper end face of the valve ball (220) is provided with a fixing groove (221), the lower end of the lower valve rod (202) is provided with a first protruding block (219) matched with the fixing groove (221), and the valve ball (220) rotates along with the rotation of the lower valve rod (202).

7. The sidewall valve of claim 1, wherein:

a self-closing device (300) which is installed at the air inlet end (108) of the flow passage (103);

wherein the self-closing device (300) comprises at least:

a valve stem holder (301) mounted in the flow passage (103); is fixed in the valve body (100);

a self-closing valve core (302) movably mounted on the valve rod bracket (301);

the self-closing spring (306) is arranged on the self-closing valve core (302), and the end parts of the self-closing spring are respectively abutted against the tail ends of the valve rod bracket (301) and the self-closing valve core (302);

when the thrust I of the gas in the flow channel (103) to the self-closing valve core (302) is larger than the thrust II of the self-closing spring (306) to the self-closing valve core (302), the self-closing valve core (302) blocks the flow channel (103) under the action of the thrust I, and the gas is prevented from continuously passing through the flow channel (103).

8. The sidewall valve of claim 7, wherein:

the self-closing valve cartridge (302) comprises:

a piston rod (305) with the tail end passing through the valve rod bracket (301), and a self-closing spring (306) mounted on the piston rod (305);

a stopper (304) molded at the tip of the piston rod (305);

the limiting block (307), the self-closing spring (306) is abutted against the end face of the limiting block (307);

under the action of the second pushing force, the blocking part (304) overcomes the elastic force of the self-closing spring (306) to block the inner wall of the sealing part in the flow passage (103), and the edge of the blocking part (304) tends to abut against the inner wall of the sealing part.

9. The sidewall valve of claim 8, wherein:

the blocking part (304) is a bowl-shaped member bent toward the air inlet end of the flow passage (103).

10. The sidewall valve of claim 1, wherein:

the end part of the valve body (100) is formed with a base (106), the end surface of the base is provided with a plurality of first mounting holes (107), and one end of the locking piece penetrates through the first mounting holes (107) and is fixedly connected with a mounting surface.