CN113217701B - Double-safety anti-theft valve - Google Patents

Abstract

The present invention proposes a double-safety anti-theft opening valve, which includes a valve body, and a through-flow fluid channel is opened in the valve body, and a valve ball with a communication hole is rotatably installed in the fluid channel, and the top of the valve ball is fixedly installed. There is a valve stem, and a lock head is installed on the top of the valve body, and a magnetic block and a magnetic column are installed longitudinally sliding between the lock head and the valve stem in the valve body. The magnetism of the magnetic block is opposite to that of the magnetic column. The column is set in the center of the magnetic block, the cross section of the magnetic column is a regular polygon, and the magnetic block is provided with a perforation of the same section, that is, the magnetic column slides longitudinally relative to the magnetic block, and the magnetic block drives the magnetic column to rotate , there is a third linkage mechanism between the magnetic block and the lock head, and the third linkage mechanism is used to combine and link with the lock head when the magnetic block moves up to the highest position. When the magnetic block is at the lowest position, the magnetic block The block is separated from the lock head, and the end of the magnetic column away from the lock head is fixedly installed with a circular plate, and a first linkage mechanism is provided between the circular plate and the valve stem.

Description

Double insurance anti-theft opening valve

technical field

The invention relates to a valve, in particular to a double-safety anti-theft opening valve.

Background technique

At present, ball valves have been widely used in civil fields and industrial fields such as petroleum and chemical industry. For example, in the civil field, ball valves have become an indispensable control component in the water supply and gas systems of residential buildings. However, the existing ball valves cannot restrict their opening and closing operations during use. The opening and closing structures are protruding from the valve body without protective devices, so they are easy to be damaged and opened by stealing, and anyone who can touch the ball valve can It can be opened or closed at will. In order to solve the above problems, the utility model patent No. 201520640834.9 discloses a magnetic locking ball valve. The ball valve includes a valve body, a ball core and a valve stem arranged in the valve body. The ball cores are connected, the upper end of the valve body has a connecting part, the outer end of the valve stem protrudes upwards from the connecting part, a positioning hole 1 is arranged inside the hand wheel, and a spring and a magnetic block 1 are arranged in the positioning hole 1, and the connecting part of the valve body is provided with There is a positioning hole 2 facing the positioning hole 1. Under the elastic force of the spring, the inner end of the magnetic block 1 extends out of the fixed part of the hand wheel and extends into the positioning hole 2. The magnetic locking ball valve also includes a magnetic lock that can be connected to the hand wheel. The key is equipped with a magnetic block 2 which is magnetically opposite to the magnetic block 1. There is an arc-shaped limit gap on the outer edge of the upper end of the connecting part of the valve body, and the valve stem of the ball valve is restricted to open through the magnetic lock head. , so as to prevent others from stealing, but the following defects still exist in its use:

The above-mentioned ball valve has only one level of magnetic lock, and its structure is relatively simple. Therefore, the valve can still be opened by a single-level magnetic block, and its anti-theft level is low.

Contents of the invention

Therefore, in view of the above problems, the present invention proposes a double insurance anti-theft opening valve.

In order to achieve the above technical problems, the solution adopted by the present invention is: double insurance anti-theft opening valve, including a valve body, the valve body is provided with a through fluid passage, and a valve ball with a communication hole is installed in the fluid passage , the top of the valve ball is fixedly installed with a valve stem, the top of the valve body is rotatably installed with a lock head, and the valve body is located between the lock head and the valve stem and is longitudinally slid to install a magnetic block and a magnetic column. The magnetism of the magnetic column is opposite, and the magnetic column is set in the center of the magnetic block. The cross section of the magnetic column is a regular polygon, and the magnetic block is provided with perforations with the same cross section, that is, the magnetic column is longitudinally opposite to the magnetic block. Sliding, and the magnetic block drives the magnetic column to rotate. There is a third linkage mechanism between the magnetic block and the lock head. The third linkage mechanism is used to combine and link with the lock head when the magnetic block moves up to the highest position. When the magnetic block is at the lowest position, the magnetic block is separated from the lock head, and the end of the magnetic column away from the lock head is fixedly equipped with a circular plate, and there is a first linkage mechanism between the circular plate and the valve stem. A linkage mechanism is used to make the magnetic column combine with the valve stem when it moves down to a low position, and separate from the valve stem when the magnetic column moves up to a high position. A spring is arranged between the disc and the valve stem, and the spring makes the magnetic column Jack up and hold high.

A further improvement is: the first linkage mechanism includes a first limit post and a first limit hole, the first limit post is fixedly installed on the circular plate, and the first limit hole is provided with a corresponding position of the valve stem. .

A further improvement is that: the third linkage mechanism includes a third limit post and a third limit hole, the third limit post is fixedly installed on the magnetic block, and the third limit hole is provided with the lock on the head.

A further improvement is: a lock storehouse is provided in the lock head, a lock body is assembled in the lock storehouse, a lock hole is provided on the peripheral side of the valve body for the lock tongue of the lock body to be inserted, and a The lock body is electrically connected to a switch device for controlling the switch of the lock body, and the switch device is arranged between the magnetic block and the circular plate.

A further improvement is: the switch device includes a travel switch and contacts, the travel switch is fixedly installed on a circular plate, an L-shaped plate is installed on the bottom of the magnetic block, and the L-shaped plate passes through the circular plate, so The contacts are fixedly installed on the L-shaped board and correspond to the position of the travel switch.

The present invention also provides an encryption wrench, the encryption wrench is matched with the double-safety anti-theft opening valve described in claim 1, and there is a second linkage mechanism between the encryption wrench and the lock head, so that the encryption wrench and the lock end are linked , there is an opening on the lock head for the encryption wrench to be buckled in. The encryption wrench includes an external magnetic ring and a magnet located inside the magnetic ring, wherein the magnetic ring attracts the magnetic block with opposite sex, and the magnet and the magnetic column are of the same sex Rebuke.

A further improvement is: there is a second linkage mechanism between the encryption wrench and the lock head, the second linkage mechanism includes a second limit hole on the lock head and the magnet on the encryption wrench is set to be in line with the second A magnetic limit post that matches the limit hole.

By adopting the aforementioned technical scheme, the beneficial effects of the present invention are:

1. The present invention adopts two-level heterosexual magnets, that is, the sliding socket and circumferential linkage between the magnetic block and the magnetic column, and adopts a two-way synchronous linkage mechanism, that is, the linkage between the magnetic block and the lock head and the linkage between the magnetic column and the valve stem, so that Realize synchronous linkage switch valve, and also adopt double magnetic level design on the special encryption wrench, so as to greatly improve the safety and anti-theft opening performance;

2. The present invention installs the lock body in the lock head, and provides a lock hole on the flash body, and a switch device for controlling the lock body switch is installed between the circular plate and the magnetic block. On the one hand, the lock head can be prevented from being blocked. Rotate at will, on the other hand, prevent the ordinary single-level encryption wrench from rotating the lock head, further improving safety and service life.

Description of drawings

Fig. 1 is a structural schematic diagram of a double-safe anti-theft opening valve according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of the double insurance anti-theft opening valve of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a wrench in an embodiment of the present invention.

In the figure: valve body 1, fluid channel 2, valve ball 3, valve stem 4, first limit hole 5, first limit post 6, circular plate 7, magnetic block 8, magnetic post 9, lock body 10, lock Library 11, lock head 12, second limit hole 13, opening 14, encryption wrench 15, magnetic limit column 16, magnetic ring 17, lock library end plate 18, lock hole 19, third limit hole 20, third Limit post 21, spring 22, L-shaped plate 23, contact 24, travel switch 25.

Detailed ways

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

Referring to Fig. 1 and Fig. 2, what the embodiment of the present invention discloses is a double insurance anti-theft opening valve, which includes a valve body 1, and a through fluid channel 2 is opened in the valve body 1, and a belt with a belt is rotatably installed in the fluid channel 2. There is a valve ball 3 with a communication hole, the top of the valve ball 3 is fixed with a valve stem 4, and the valve stem 4 is used to drive the valve ball 3 to rotate to realize opening or closing the valve. The top of the valve body 1 is rotated and installed There is a lock head 12, and the valve body 1 is located between the lock head 12 and the valve rod 4, and a magnetic block 8 and a magnetic column 9 are longitudinally slidably installed. The magnetism of the magnetic block 8 and the magnetic column 9 is opposite, and the magnetic column 9 passes through Located at the center of the magnetic block 8, the cross section of the magnetic column 9 is a regular polygon, such as a square, a regular pentagon or a regular hexagon, and the magnetic block 8 is provided with perforations of the same cross section, that is, the magnetic column 9 It can slide longitudinally relative to the magnetic block 8, and the magnetic block 8 can drive the magnetic column 9 to rotate. There is a third linkage mechanism between the magnetic block 8 and the lock head 12, and the third linkage mechanism is used to move the magnetic block 8 upwards. When it is at the highest position, it is combined and interlocked with the lock head 12 , and when the magnet block 8 is at the lowest position, the magnet block 8 is separated from the lock head 12 .

Wherein, the end of the magnetic column 9 away from the lock head 12 is fixedly mounted with a circular plate 7, and there is a first linkage mechanism between the circular plate 7 and the valve stem 4, and the first linkage mechanism is used to make the magnetic column When 9 moves down to the low position, it is combined and linked with the valve stem 4. When the magnetic column 9 moves up to the high position, it is separated from the valve stem 4. A spring 22 is arranged between the disc 7 and the valve stem 4, and the spring 22 makes the magnetic column 9 jack up and keep it in a high position.

The double insurance anti-theft opening valve in this embodiment is also equipped with a special encryption wrench 15 matched with the lock end 12, and there is a second linkage mechanism between the encryption wrench 15 and the lock end 12, so that the encryption wrench 15 and the lock end 12 Linkage, the lock head 12 is provided with an opening 14 for the encryption wrench 15 to be buckled in.

Referring to Fig. 3, the encryption wrench 15 includes a magnetic ring 17 located on the outside and a magnet located in the magnetic ring 17, wherein the magnetic ring 17 attracts the opposite sex to the magnetic block 8, and the magnet and the magnetic column 9 repel the same sex. When the wrench 15 is buckled on the lock head 12, it is linked with it by the second linkage mechanism, and the encrypted wrench 15 can drive the lock head 12 to rotate. The block 8 slides upwards, and is linked with the lock head 12 through the third linkage mechanism, so that the lock head 12 drives the magnetic block 8 to rotate when the lock head 12 rotates. The magnet on the encryption wrench 15 and the magnetic column 9 repel each other with the same sex, so that the magnetic column 9 is pressed downward and linked with the valve stem 4 through the first linkage mechanism, and the magnetic column 9 and the magnetic block 8 rotate synchronously in the circumferential direction, Then make encryption wrench 15, lock head 12, magnetic block 8, magnetic column 9 and valve stem 4 form a circumferential linkage, so that encryption wrench 15 drives valve stem 4 to rotate, and finally drives valve ball 3 to rotate to complete the switch valve.

The double insurance anti-theft opening valve adopts two-stage heterosexual magnets, that is, the sliding socket of the magnetic block 8 and the magnetic column 9 and the circumferential linkage, and adopts a two-way synchronous linkage mechanism, that is, the linkage between the magnetic block 8 and the lock head 12 and the magnetic column 9 The linkage with the valve stem 4 realizes the synchronous linkage switch valve, and the special encryption wrench 15 also adopts a double magnetic level design, thereby greatly improving the safety and anti-theft opening performance.

In this embodiment, specifically, the first linkage mechanism includes a first limit post 6 and a first limit hole 5, wherein the first limit post 6 is fixedly installed on the circular plate 7, and the first limit hole 5 is provided with the corresponding position of the valve stem 4. The third linkage mechanism includes a third limit post 21 and a third limit hole 20, the third limit post 21 is fixedly installed on the magnetic block 8, and the third limit hole 20 is provided with the lock Head 12 on. The second linkage mechanism includes a second limit hole 13 on the lock head 12 and a magnetic limit post 16 that sets the magnet on the encryption wrench 15 to match the second limit hole 13 .

On the basis of the above-mentioned embodiments, a lock storehouse 11 is provided in the lock head 12 of the double insurance anti-theft opening valve, and the lock storehouse 11 is equipped with a lock body 10, and the lock storehouse end plate 18 of the lock storehouse 11 is located at the lock head 12, so as to prevent the lock body 10 from being violently disassembled from the outside. The peripheral side of the valve body 1 is provided with a lock hole 19 for the lock tongue of the lock body 10 to be inserted into, and also includes a valve for electrical connection with the lock body 10. To control the switching device of the lock body 10 switch, the switching device is arranged between the magnetic block 8 and the circular plate 7, that is, when the magnetic block 8 and the circular plate 7 move in the opposite direction and are in a linkage state, the The switch device triggers to control the unlocking of the lock body 10, and the lock head 12 is released and rotates freely. This design is used to prevent the lock head 12 from being freely rotated at will, and the switch device cannot be triggered by using an ordinary single magnetic level encryption wrench 15. Head 12 can't rotate freely equally, and then adds an anti-theft opening barrier again, further improves safety, protects lock head 12 from being rotated arbitrarily simultaneously, improves its service life.

Specifically, the switch device includes a travel switch 25 and a contact 24. In this embodiment, the travel switch 25 is fixedly mounted on the circular plate 7, and an L-shaped plate 23 is installed on the bottom of the magnetic block 8, and the L-shaped plate 23 passes through the circular plate 7, and the contact 24 is fixedly installed on the L-shaped plate 23 and corresponds to the position of the travel switch 25.

Modifications and changes made by using this creation all belong to the scope of patents claimed by this creation, and are not limited to those disclosed in the embodiments.

Claims (7)

1. Double insurance anti-theft opening valve, including a valve body, the valve body is provided with a through fluid channel, and a valve ball with a communication hole is installed in the fluid channel, and a valve stem is fixedly installed on the top of the valve ball , the top of the valve body is rotatably installed with a lock head, which is characterized in that: a magnetic block and a magnetic column are installed longitudinally slidingly between the lock head and the valve stem in the valve body, and the magnetism of the magnetic block and the magnetic column is opposite. The magnetic column is set in the center of the magnetic block, the cross section of the magnetic column is a regular polygon, and the magnetic block is provided with perforations with the same cross section, that is, the magnetic column slides longitudinally relative to the magnetic block, and the magnetic block drives the magnetic column Rotate, there is a third linkage mechanism between the magnetic block and the lock head, the third linkage mechanism is used to make the magnetic block move up to the highest position and combine with the lock head and interlock, when the magnetic block is at the lowest position, The magnetic block is separated from the lock head, and a circular plate is fixedly installed on the end of the magnetic column far away from the lock head. There is a first linkage mechanism between the circular plate and the valve stem, and the first linkage mechanism is used to make the magnetic column When moving down to the low position, it is combined with the valve stem and linked, and when the magnetic column is moved up to the high position, it is separated from the valve stem. There is a spring between the disc and the valve stem, and the spring pushes the magnetic column up and keeps it in a high position. . 2. The double insurance anti-theft opening valve according to claim 1, characterized in that: the first linkage mechanism includes a first limit post and a first limit hole, the first limit post is fixedly installed on the circular plate, The first limiting hole is provided with a corresponding position of the valve stem. 3. The double insurance anti-theft opening valve according to claim 1, characterized in that: the third linkage mechanism includes a third limit post and a third limit hole, and the third limit post is fixedly installed on the magnetic block above, the third limiting hole is opened on the lock head. 4. The double-safety anti-theft opening valve according to claim 1, characterized in that: a lock storehouse is provided in the lock head, a lock body is installed in the lock storehouse, and a supply port is provided on the peripheral side of the valve body. The lock hole into which the lock tongue of the lock body is inserted, also includes a switch device electrically connected with the lock body to control the switch of the lock body, and the switch device is arranged between the magnetic block and the circular plate. 5. The double insurance anti-theft opening valve according to claim 4, characterized in that: the switch device includes a travel switch and contacts, the travel switch is fixedly installed on the circular plate, and the bottom of the magnetic block is installed with a L The L-shaped plate passes through the circular plate, and the contacts are fixedly installed on the L-shaped plate and correspond to the position of the travel switch. 6. An encryption wrench, which is used in conjunction with the double-safety anti-theft opening valve according to claim 1, characterized in that: there is a second linkage mechanism between the encryption wrench and the lock head, so that the encryption wrench and the lock end Linkage, there is an opening on the lock head for the encryption wrench to be buckled in. The encryption wrench includes an external magnetic ring and a magnet inside the magnetic ring, wherein the magnetic ring attracts the opposite sex of the magnetic block, and the magnet is the same Repel each other. 7. An encryption wrench according to claim 6, characterized in that: there is a second linkage mechanism between the encryption wrench and the lock head, and the second linkage mechanism includes a second limit hole on the lock head And the magnet on the encryption wrench is set as a magnetic limit post matching the second limit hole.

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