Valve with limiting mechanism

Abstract

The valve with the limiting mechanism comprises a valve body, a cavity is formed in the valve body, a ball valve is movably arranged in the valve body, a connecting block is fixedly arranged at the top of the valve body, a valve rod is arranged at the top of the connecting block, a limiting groove is formed in the top of the connecting block in a surrounding mode, and the valve rod is arranged in the limiting groove. A handle block is fixedly arranged at the top of the valve rod, hinge blocks are fixedly arranged at the positions, close to the two sides, of the bottom of the handle block, and connecting rods are movably arranged in the hinge blocks through rotating shafts. According to the valve with the limiting mechanism, by arranging a connecting rod, a pin rod, a limiting groove and a connecting block, when the valve is used, a handle of the valve can be limited, the situation that the valve is closed or suddenly opened due to accidental touch is avoided, the valve has higher safety, convenience is brought to a user, the practicability of the valve is improved, and the valve is worthy of popularization. And the use requirements of users are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a valve with limiting mechanism. BACKGROUND

[0002] Valve is the control part in fluid delivery system, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief. The valve for fluid control system, from the simplest cut-off valve to the various valves used in the extremely complex automatic control system, its variety and specification are quite numerous.

[0003] The prior art "a valve with limiting mechanism", patent number (CN222142168U), by setting threaded screw rod, the threaded slide block and the limiting rack are moved towards each other at this time, so as to press the positioning rack and lock the positioning rack, at the same time, the nut is rotated at this time, so as to move downwards along the threaded screw rod, so as to realize the fixation for the threaded slide block, so as to ensure the friction force between the limiting rack and the positioning rack, so as to avoid the automatic deflection of the rotating rack due to external force, so as to ensure the limiting function of the valve, further ensure the stability of subsequent use, so as to ensure the practicability of the valve.

[0004] However, the handle does not have the limiting function when the valve is used, which leads to the valve being easily opened or closed by mistake, causing inconvenience to the user and failing to meet the user's use demand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a valve with limiting mechanism to solve the problem that the handle does not have the limiting function when the valve is used in the above background art, which leads to the valve being easily opened or closed by mistake, causing inconvenience to the user and failing to meet the user's use demand.

[0006] To achieve the above object, the utility model provides the following technical scheme: a valve with limiting mechanism, including the valve body, the inside of the valve body is provided with a cavity, the inside of the valve body movably is provided with a ball valve, the top of the valve body is fixedly provided with a connecting block, the top of the connecting block is provided with a valve rod, the top of the connecting block is provided with a limiting slot, the top of the valve rod is fixedly provided with a handle block, the bottom of the handle block is fixedly provided with a hinged block on both sides, the inside of the hinged block is movably provided with a connecting rod through the pivot, and the opposite side of the two connecting rods is movably provided with a pin rod through the pivot.

[0007] Further, a water passing hole is formed at the middle position of the ball valve.

[0008] Further, the valve body is provided with a through hole on both sides.

[0009] Further, the bottom of the valve rod penetrates the connecting block and the valve body in sequence and is fixedly connected with the ball valve, and the valve rod is movably connected with the valve body.

[0010] Further, the top of the connecting rod is fixedly provided with a supporting spring, and the top of the supporting spring is fixedly connected with the handle block.

[0011] Further, the limiting grooves are designed to be equidistant from each other.

[0012] Further, the bottom of the pin rod extends into the limiting groove, and the pin rod is clamped with the limiting groove.

[0013] Compared with the prior art, the valve with the limiting mechanism has the beneficial effects that:

[0014] The valve with the limiting mechanism is provided with the connecting rod, the pin rod, the limiting groove and the connecting block, so that the handle of the valve can be limited during use, the closing or sudden opening of the valve due to accidental touch is avoided, the safety of the device is improved, the convenience for the user is brought, the practicality of the device is improved, and the use requirement of the user is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural sectional view of the utility model;

[0017] Figure 3 It is a schematic view of the limiting groove of the utility model;

[0018] Figure 4 It is Figure 2 It is a local enlarged schematic view of A.

[0019] In the figure: 1, valve body; 2, ball valve; 3, connecting block; 4, valve rod; 5, limiting groove; 6, handle block; 7, hinged block; 8, connecting rod; 9, pin rod; 10, water passage; 11, supporting spring. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below by combining with the drawings and through specific embodiments, and the following embodiments are only descriptive, not limiting the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a valve with limiting mechanism, including valve body 1, valve body 1 is used to control medium flow, the inside of valve body 1 is equipped with cavity, the inside of valve body 1 movably is provided with ball valve 2, ball valve 2 plays the role of sealing, the top of valve body 1 is fixedly provided with connecting block 3, connecting block 3 is used to set corresponding assembly, the top of connecting block 3 is provided with valve stem 4, valve stem 4 can drive ball valve 2 to rotate, the top of connecting block 3 is provided with limiting slot 5 around, limiting slot 5 plays the role of limiting, the top of valve stem 4 is fixedly provided with handle block 6, handle block 6 can drive valve stem 4 to rotate, the bottom of handle block 6 is fixedly provided with hinged block 7 on both sides, hinged block 7 is used to set connecting rod 8, the inside of hinged block 7 is movably provided with connecting rod 8 through pivot, connecting rod 8 is used to set pin 9, the opposite side of two connecting rods 8 is movably provided with pin 9 through pivot, pin 9 is used for with the joint of limiting slot 5.

[0022] Further, the middle of the ball valve 2 is provided with a water hole 10, wherein the water hole 10 facilitates the flow of medium.

[0023] Further, the two sides of the valve body 1 are provided with through holes, wherein the through holes facilitate the flow of medium.

[0024] Further, the bottom of the valve stem 4 penetrates the connecting block 3 and the valve body 1 in sequence and is fixedly connected with the ball valve 2, and the valve stem 4 is movably connected with the valve body 1, wherein the valve stem 4 can drive the ball valve 2 to rotate.

[0025] Further, the top of the connecting rod 8 is fixedly provided with a supporting spring 11, and the top of the supporting spring 11 is fixedly connected with the handle block 6, wherein the supporting spring 11 can support the connecting rod 8.

[0026] Further, the limiting slot 5 is provided with a plurality of limiting slots, and each two limiting slots 5 are equidistantly designed, wherein the limiting slot 5 can be used in cooperation with the pin 9 to limit the position.

[0027] Further, the bottom of the pin 9 extends into the limiting slot 5, and the pin 9 is jointed with the limiting slot 5, wherein the pin 9 and the limiting slot 5 cooperate with each other to limit the position of the device.

[0028] Working principle: when rotating the handle block 6, the user moves the two connecting rods 8 upwards, so that the connecting rod 8 drives the pin 9 to move out of the limiting slot 5 on the connecting block 3, then the user rotates the handle block 6 to drive the valve stem 4 to move, so that the valve stem 4 drives the ball valve 2 to open and close, after the opening and closing is completed, the user releases the connecting rod 8, so that the connecting rod 8 drives the pin 9 to be jointed with the limiting slot 5, thereby limiting the position of the handle block 6.

[0029] According to the above working process, it can be known that:

[0030] The valve with the limiting mechanism, by setting connecting rod 8, pin 9, limiting groove 5 and connecting block 3, so that the device can limit the handle of the valve when in use, avoid the valve to appear close or suddenly open due to accidental touch, make the device more safe, bring convenience for the user, improve the practicality of the device, meet the use requirement of the user.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A valve with a limiting mechanism comprising a valve body (1), characterized in that: The inside of the valve body (1) is provided with a cavity, the inside of the valve body (1) is movably provided with a ball valve (2), the top of the valve body (1) is fixedly provided with a connecting block (3), the top of the connecting block (3) is provided with a valve rod (4), the top of the connecting block (3) is surrounded and provided with a limiting groove (5), the top of the valve rod (4) is fixedly provided with a handle block (6), the bottom of the handle block (6) is fixedly provided with a hinged block (7) at both sides, the inside of the hinged block (7) is movably provided with a connecting rod (8) through a rotating shaft, and the opposite sides of the two connecting rods (8) are movably provided with a pin rod (9) through a rotating shaft.

2. The valve with a limiting mechanism according to claim 1, characterized in that: The inside of the ball valve (2) is provided with a water passing hole (10) at the middle position.

3. The valve with a limiting mechanism according to claim 1, characterized in that: Both sides of the valve body (1) are provided with through holes.

4. The valve with a limiting mechanism according to claim 1, characterized in that: The bottom of the valve rod (4) penetrates the connecting block (3) and the valve body (1) in sequence and is fixedly connected with the ball valve (2), and the valve rod (4) is movably connected with the valve body (1).

5. The valve with a limiting mechanism according to claim 1, characterized in that: The top of the connecting rod (8) is fixedly provided with a supporting spring (11), and the top of the supporting spring (11) is fixedly connected with the handle block (6).

6. The valve with a limiting mechanism according to claim 1, characterized in that: The limiting groove (5) is provided with a plurality of limiting grooves (5), and every two limiting grooves (5) are equidistantly designed.

7. The valve with a limiting mechanism according to claim 1, characterized in that: The bottom of the pin rod (9) extends into the limiting groove (5), and the pin rod (9) is clamped with the limiting groove (5).

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