A magnetic lock gate valve

Abstract

The present invention provides a magnetic locking gate valve, which belongs to the field of valve technology. It solves the problem that the traditional magnetic locking gate valve cannot quickly close the valve to cut off the water supply in an emergency, causing unnecessary losses. The magnetic locking gate valve includes a valve body, a valve seat fixedly installed above the valve body, and a valve stem arranged in the valve body. A rotatable valve sleeve is arranged on the top of the valve seat, and a valve bonnet for controlling the rotation and start of the valve stem is installed in the valve sleeve. A plurality of step grooves are opened in the circumferential direction of the inner wall of the valve sleeve, and the bottom of the valve bonnet has a step that is engaged with the step groove, and an open groove is opened at the center of the bottom of the valve bonnet; a rotating seat is installed on the valve stem, and a limiting groove is opened at the bottom of the rotating seat, and a spring 1 with an elastic effect is arranged in the limiting groove, and the bottom of the spring 1 is against the valve seat, and a spring 2 is arranged in the open groove, and a block matching the step groove is arranged on the outer wall of the rotating seat. The present invention has the advantages of safety and strong applicability.

Description

Technical Field

[0001] The invention belongs to the technical field of valves, and in particular relates to a magnetic locking gate valve. Background Art

[0002] The magnetic lock valve relies on the force of magnetism to control the opening and closing of the closing parts in the valve. It is generally used on some important valves with special positions and functions to prevent the valves from being opened and closed arbitrarily. It has no gaps, is anti-clogging, waterproof, anti-corrosive, and easy to use. It is deeply favored by industries such as water supply, heating, gas, and solar water heaters.

[0003] The magnetic locking gate valve requires the use of special tools to open and close, which facilitates the water supply management department to control the valve. Special tools are generally controlled by the water supply management department. Whether opening or closing this product, it requires the use of special tools (matching magnetic keys) to achieve.

[0004] With the existing magnetic locking gate valves on the market, when an emergency occurs at the water outlet of the valve and the valve needs to be closed to cut off the water supply, such as a water leak in the indoor pipe, the user can only contact the management department, and the water leak cannot be stopped at this time, which often affects the vital interests of the residents and causes unnecessary losses; on the other hand, the valves in some special occasions cannot be closed at will, but need to be opened very conveniently, and the existing magnetic locking gate valves cannot meet the use needs. Summary of the invention

[0005] The purpose of the present invention is to provide a new, convenient and safe magnetic locking gate valve in view of the above problems existing in the prior art.

[0006] The object of the present invention can be achieved through the following technical solutions: A magnetic locking gate valve comprises a valve body, a valve seat fixedly mounted above the valve body, and a valve stem arranged in the valve body, wherein the valve stem passes through the valve seat;

[0007] The invention is characterized in that a rotatable valve sleeve is arranged on the top of the valve seat, and the valve sleeve is hollow, a valve cap for controlling the start and stop of the valve stem rotation is installed in the valve sleeve, a plurality of step grooves are opened in the circumferential direction of the inner wall of the valve sleeve, the bottom of the valve cap has a step engaged with the step groove, and an open groove is opened at the center of the bottom of the valve cap;

[0008] A rotating seat is installed on the valve stem, and a limiting groove is opened at the bottom of the rotating seat. A spring 1 with elastic effect is arranged in the limiting groove, and the bottom of the spring 1 is against the valve seat. A spring 2 is arranged in the open groove, and the spring 2 is sleeved on the rotating seat. A block matching the step groove is arranged on the outer wall of the rotating seat.

[0009] In the above-mentioned magnetic locking gate valve, an annular groove is provided on the inner wall of the valve sleeve above the step groove, a plurality of cylindrical holes corresponding to the annular groove are provided on the valve cap, and a magnetic component for clamping the valve sleeve is provided in the cylindrical hole, and the magnetic component includes a magnetic block and a reset spring connected to the magnetic block.

[0010] In the above-mentioned magnetic locking gate valve, a placement groove corresponding to the position of the magnetic component is opened on the outer wall of the valve sleeve, and a magnetic key for controlling the valve cap switch is placed on the placement groove.

[0011] In the above-mentioned magnetic locking gate valve, the magnetic key is a hollow structure, a card slot corresponding to the placement slot is opened on the inner wall of the magnetic key, and a circular magnetic column with the same magnetic pole as the magnetic block is arranged in the card slot.

[0012] In the above-mentioned magnetic locking gate valve, the upper end of the valve stem is in the shape of a flat shaft, and the lower end is in the shape of a round shaft.

[0013] In the above-mentioned magnetic locking gate valve, a through hole is opened at the center of the rotating seat, and the rotating seat is installed on the valve stem through the through hole.

[0014] In the above-mentioned magnetic locking gate valve, a sealing ring is arranged between the valve seat and the valve sleeve to perform a sealing function.

[0015] In the above-mentioned magnetic locking gate valve, a gate plate is arranged at the bottom of the valve stem, which is moved up and down by the rotation of the valve stem and seals the opening and closing valve body.

[0016] Compared with the prior art, this magnetic lock gate valve

[0017] 1. The gate valve is opened and closed by setting a valve bonnet that controls the valve stem in the valve sleeve. When the valve bonnet of the gate valve is in the open state, rotating the valve sleeve can control the size of the gate valve water flow. When the valve bonnet is closed, the gate plate cannot be opened by rotating the valve sleeve. The valve bonnet is locked and the magnetic locking gate valve is locked for secondary locking.

[0018] 2. This product needs a magnetic key to open, and can be closed by pressing the valve cap, which is more user-friendly and increases the applicability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the magnetic lock gate valve.

[0020] Figure 2 It is a cross-sectional view of the closed state of the magnetic lock gate valve.

[0021] Figure 3 It is a schematic diagram of the valve stem structure of the magnetic locking gate valve.

[0022] Figure 4 It is a cross-sectional view of the magnetic key of the magnetic locking gate valve.

[0023] Figure 5 It is a schematic diagram of the valve sleeve structure of the magnetic locking gate valve.

[0024] Figure 6 It is an exploded view of the magnetic lock gate valve.

[0025] Figure 7 It is a cross-sectional view of the magnetic lock gate valve in the open state.

[0026] In the figure, 1, valve body; 2, valve seat; 3, valve stem; 4, valve sleeve; 5, valve bonnet; 6, step groove; 7, step; 8, opening groove; 9, rotating seat; 10, limit groove; 11, spring 1; 12, spring 2; 13, clamping block; 14, annular groove; 15, cylindrical hole; 16, magnetic component; 17, magnetic block; 18, reset spring; 19, placement groove; 20, magnetic key; 21, clamping slot; 22, circular magnetic column; 23, sealing ring; 24, gate; 25, through hole. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] like Figures 1 to 7 The magnetic locking gate valve comprises a valve body 1, a valve seat 2 fixedly mounted on the top of the valve body 1 and a valve stem 3 arranged in the valve body 1, and the valve stem 3 passes through the valve seat 2; a rotatable valve sleeve 4 is arranged on the top of the valve seat 2, and the valve sleeve 4 is hollow, and a valve cap 5 for controlling the rotation and start and stop of the valve stem 3 is installed in the valve sleeve 4, a plurality of step grooves 6 are opened in the circumferential direction of the inner wall of the valve sleeve 4, a step 7 is provided at the bottom of the valve cap 5 for clamping with the step groove 6, and an open groove 8 is opened at the center of the bottom of the valve cap 5; a rotating seat 9 is installed on the valve stem 3, and a limiting groove 10 is provided at the bottom of the rotating seat 9, and a spring 11 with elastic effect is arranged in the limiting groove 10, and the spring 11 is provided in the limiting groove 10. The bottom of 11 abuts against the valve seat 2, a spring 2 12 is arranged in the open groove 8, and the spring 2 12 is sleeved on the rotating seat 9. The open groove 8 can prevent the spring 2 12 from deviating during the rotation of the valve cap 5. A clamping block 13 matching the step groove 6 is arranged on the outer wall of the rotating seat 9. When the magnetic key 20 is installed in the valve sleeve 4, the valve cap 5 is pressed to open the gate valve, and the valve cap 5 moves upward and the spring 2 12 in its open groove 8 is in a relaxed state. The rotating seat 9 at the bottom moves upward with the movement of the valve cap 5. At this time, the clamping block 13 of the rotating seat 9 moves to the step groove 6 and is clamped with the step groove 6. Rotating the valve sleeve 4 can drive the rotation of the valve cap 5 and the rotating seat 9.

[0029] To be more specific, an annular groove 14 is provided on the inner wall of the valve sleeve 4 above the step groove 6, and a plurality of cylindrical holes 15 corresponding to the annular groove 14 are provided on the valve cap 5. A magnetic component 16 for clamping the valve sleeve 4 is provided in the cylindrical hole 15. The magnetic component 16 includes a magnetic block 17 and a return spring 18 connected to the magnetic block 17.

[0030] To be more specific, a placement groove 19 corresponding to the position of the magnetic component 16 is provided on the outer wall of the valve sleeve 4 , and a magnetic key 20 for controlling the opening and closing of the valve cap 5 is placed on the placement groove 19 .

[0031] In further detail, the magnetic key 20 is a hollow structure, and a slot 21 corresponding to the placement slot 19 is formed on the inner wall of the magnetic key 20 . A circular magnetic column 22 having the same magnetic pole as the magnetic block 17 is disposed in the slot 21 .

[0032] The magnetic key 20 is installed on the valve sleeve 4, and the circular magnetic column 22 and the magnetic block 17 installed inside it are in the same position. Under the repulsive effect of the same magnetic pole, the magnetic block 17 will move into the cylindrical hole 15 and squeeze the reset spring 18, so that the magnetic component 16 will retract into the cylindrical hole 15, press the valve bonnet 5 to make it pop out, and the step 7 at the bottom of the valve bonnet 5 is clamped on the step groove 6 to fix it to prevent the valve bonnet 5 from falling off. At this time, the locking gate valve is in an open state; pressing the valve bonnet 5 makes the magnetic component pop out from the cylindrical hole and clamped in the annular groove, and the rotating seat 9 at the bottom of the valve bonnet 5 will also move downward with the valve bonnet 5, and the rotating seat 9 block 13 slides out of the step groove 6 and moves to the bottom of the step groove 6. At this time, the valve bonnet 5 presses the rotating seat 9 and then rotates the valve sleeve. The valve bonnet 5 will still rotate because the step 7 is still stuck on the step groove 6, but the block 13 of the rotating seat 9 is not clamped with the step groove 6 so it will not rotate. At this time, the locking gate valve is in an open state.

[0033] To be more specific, the upper end of the valve stem 3 is in the shape of a flat shaft, and the lower end is in the shape of a round shaft.

[0034] To be more specific, a sealing ring 23 is provided between the valve seat 2 and the valve sleeve 4 for sealing.

[0035] To elaborate further, a through hole 25 is opened at the center of the rotating seat 9, and the rotating seat 9 is installed on the valve stem 3 through the through hole 25. The upper end of the valve stem 3 is completely inserted into the rotating seat 9. The rotation of the rotating seat 9 drives the rotation of the valve stem 3. After the rotating seat 9 rotates, it drives the valve stem 3 to rotate to realize the lifting and lowering movement of the gate plate 24.

[0036] To be more specific, a gate plate 24 is provided at the bottom of the valve stem 3 , which moves up and down when the valve stem 3 rotates and seals the valve body 1 .

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although the terms valve body 1, valve seat 2, valve stem 3, valve sleeve 4, valve bonnet 5, step groove 6, step 7, opening groove 8, rotating seat 9, limit groove 10, spring 1 11, spring 2 12, clamping block 13, annular groove 14, cylindrical hole 15, magnetic assembly 16, magnetic block 17, reset spring 18, placement groove 19, magnetic key 20, clamping groove 21, circular magnetic column 22, sealing ring 23, gate 24, through hole 25 and the like are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A magnetic lock gate valve, comprising a valve body (1), a valve seat (2) fixedly mounted above the valve body (1), and a valve stem (3) arranged in the valve body (1), wherein the valve stem (3) passes through the valve seat (2); It is characterized in that A rotatable valve sleeve (4) is arranged on the top of the valve seat (2), and the valve sleeve (4) is hollow. A valve cap (5) for controlling the rotation and start and stop of the valve stem (3) is installed in the valve sleeve (4). A plurality of step grooves (6) are provided on the inner wall of the valve sleeve (4) in the circumferential direction. The bottom of the valve cap (5) has a step (7) engaged with the step groove (6). An opening groove (8) is provided at the center of the bottom of the valve cap (5); A rotating seat (9) is installed on the valve stem (3), and a limiting groove (10) is provided at the bottom of the rotating seat (9). A spring (11) with an elastic effect is provided in the limiting groove (10), and the bottom of the spring (11) abuts against the valve seat (2). A spring (12) is provided in the opening groove (8), and the spring (12) is sleeved on the rotating seat (9). A clamping block (13) matching the step groove (6) is provided on the outer wall of the rotating seat (9). An annular groove (14) is provided on the inner wall of the valve sleeve (4) above the step groove (6). A plurality of cylindrical holes (15) corresponding to the annular groove (14) are provided on the valve cap (5). A magnetic component (16) for clamping the valve sleeve (4) is arranged in the cylindrical hole (15), and the magnetic component (16) comprises a magnetic block (17) and a return spring (18) connected to the magnetic block (17). A placement groove (19) corresponding to the position of the magnetic component (16) is provided on the outer wall of the valve sleeve (4), and a magnetic key (20) for controlling the switch of the valve cap (5) is placed on the placement groove (19). The magnetic key (20) is a hollow structure, and a clamping groove (21) corresponding to the placement groove (19) is provided on the inner wall of the magnetic key (20), and a circular magnetic column (22) with the same magnetic pole as the magnetic block (17) is arranged in the clamping groove (21).

2. A magnetic lock gate valve according to claim 1, characterized in that: The upper end of the valve stem (3) is in the shape of a flat shaft, and the lower end is in the shape of a round shaft.

3. A magnetic lock gate valve according to claim 1, characterized in that: A through hole (25) is provided at the center of the rotating seat (9), and the rotating seat (9) is mounted on the valve stem (3) through the through hole (25).

4. A magnetic lock gate valve according to claim 1, characterized in that: A sealing ring (23) is provided between the valve seat (2) and the valve sleeve (4) for sealing.

5. A magnetic lock gate valve according to claim 1, characterized in that: A gate plate (24) is provided at the bottom of the valve stem (3) and is moved up and down by the rotation of the valve stem (3) and seals and opens and closes the valve body (1).

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