Multi-way valve facilitating adjustment of direction change

Abstract

The utility model relates to multiway valve technical field, concretely is a kind of multiway valve facilitating adjustment change direction, comprising: multiway reversing valve valve body, installation frame is installed on the left and right two side walls of multiway reversing valve valve body, the front of multiway reversing valve valve body is rotatably installed with hand screw rod;Positioning structure is installed on the multiway reversing valve valve body, the positioning structure includes fixed ring, the fixed ring is fixedly installed in the front of multiway reversing valve valve body, the front of fixed ring is equipped with arc movable slot, the inboard of fixed ring is movably installed with worm wheel disc through bearing, the front of worm wheel disc is fixedly connected with fixed block.The utility model is by being provided with hand screw worm cooperation worm wheel disc, can be fixed to the angle of positioning dog, and positioning dog is clamped in the outside of hand screw rod, the angle of hand screw rod can be positioned, avoid hand screw rod to be caused by mistaken touch and the oil passage change of multiway reversing valve valve body, improve the use safety of device.

Description

Technical Field

[0001] This utility model relates to the field of multi-way valve technology, specifically a multi-way valve that is easy to adjust and change direction. Background Technology

[0002] A multi-way directional valve is a combination valve consisting of two or more directional valves. A directional valve is a type of valve that changes the on / off relationship of the oil passages connected to the multi-way directional valve body by means of the relative movement between the valve core and the valve body.

[0003] In existing multi-way valves, the oil passage direction needs to be changed manually by pulling a lever to rotate the valve core in or out. However, the lever is quite flexible and can be accidentally touched during use, causing displacement and changing the direction of the oil passage in the multi-way valve, which can easily lead to production safety accidents.

[0004] Therefore, in order to solve the above problems, a multi-way valve that is easy to adjust and change direction is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a multi-way valve that is easy to adjust and change direction, so as to solve the problem mentioned in the background art that when the oil passage of the existing multi-way valve is changed, it is necessary to manually pull the lever to drive the valve core to rotate in or out. However, the lever has a large degree of flexibility and is easy to be accidentally touched during use, which can cause displacement and change the direction of the oil passage of the multi-way valve in use, which can easily cause production safety accidents.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-way valve that is easy to adjust and change direction, comprising: a multi-way reversing valve body, mounting brackets installed on the left and right side walls of the multi-way reversing valve body, and a hand crank rotatably mounted on the front of the multi-way reversing valve body;

[0007] The multi-way directional valve body is equipped with a positioning structure, which includes a fixing ring. The fixing ring is fixedly installed on the front of the multi-way directional valve body. An arc-shaped movable groove is opened on the front of the fixing ring. A worm gear is movably installed on the inner side of the fixing ring through a bearing. A fixing block is fixedly connected to the front of the worm gear. A spring is fixedly connected to the rear end of the inner wall of the fixing block. A telescopic block is fixedly connected to the front end of the spring. A positioning claw is fixedly connected to the front end of the telescopic block. A hand-rotating worm gear is movably installed on the right side wall of the fixing ring through a bearing.

[0008] Preferably, the fixing ring is sleeved on the outer side of the bottom end of the hand-turning rod, and the fixing ring and the worm gear are coaxially arranged with the bottom end of the hand-turning rod.

[0009] Preferably, the fixing block is horizontally positioned and protrudes from the front of the fixing ring via an arc-shaped movable groove.

[0010] Preferably, the telescopic block has a "T"-shaped structure, with the rear end of the telescopic block slidably mounted on the inner side of the fixed block, and the front end of the telescopic block exposed on the front of the fixed block.

[0011] Preferably, the positioning claw has a "U"-shaped structure and is engaged on the outer side of the rear wall of the hand crank.

[0012] Preferably, the hand-operated worm gear is vertically arranged and meshes with the worm wheel.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by setting a hand-rotating worm gear in conjunction with a worm wheel, the angle of the positioning claw can be fixed, and the positioning claw is locked on the outside of the hand-rotating rod, which can limit the angle of the hand-rotating rod, prevent the hand-rotating rod from being accidentally touched and causing changes in the oil passage of the multi-way directional valve body, and improve the safety of the device.

[0014] This invention features a positioning structure. Pushing the positioning claw backward causes the telescopic block to move backward within the fixed block. The telescopic block compresses the spring, separating the positioning claw from the hand crank, thus releasing the hand crank's restriction. Pulling the hand crank moves the valve core within the multi-way directional valve body, regulating the oil passage's flow. When the hand crank is in the appropriate position, releasing it and rotating the hand crank worm engages with the worm gear. The rotation of the hand crank drives the worm gear within the fixed ring. When the worm gear rotates, it drives the fixed block to rotate inside the arc-shaped movable groove. As the fixed block rotates, the relative position of the positioning claw and the hand-operated lever can be adjusted. When the positioning claw and the hand-operated lever are aligned front and back, the positioning claw is released. Under the restoring action of the spring, the positioning claw is locked on the outside of the mounting bracket. The worm gear and the hand-operated worm have a self-locking function, which can ensure that the angle of the positioning claw is fixed and can stably limit the hand-operated lever, preventing the hand-operated lever from being accidentally touched and displaced, thus improving the safety of the device. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a front view schematic diagram of the positioning claw and hand-rotating rod of this utility model;

[0017] Figure 3 This is an exploded view of the positioning structure of this utility model;

[0018] Figure 4 This is a side view sectional diagram of the positioning structure of this utility model.

[0019] In the diagram: 1. Multi-way directional valve body; 11. Mounting bracket; 12. Hand-operated lever; 2. Positioning structure; 21. Fixing ring; 22. Arc-shaped movable groove; 23. Worm gear; 24. Fixing block; 25. Spring; 26. Telescopic block; 27. Positioning claw; 28. Hand-operated worm gear. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 This utility model provides an embodiment of a multi-way valve that facilitates adjustment and direction changing:

[0022] The multi-way directional valve body 1, mounting bracket 11, and hand crank 12 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, and therefore will not be described in detail here.

[0023] A multi-way valve that is easy to adjust and change direction includes: a multi-way valve body 1, mounting brackets 11 are installed on the left and right side walls of the multi-way valve body 1, and a hand crank 12 is rotatably installed on the front of the multi-way valve body 1.

[0024] A positioning structure 2 is installed on the valve body 1 of the multi-way directional valve. The positioning structure 2 includes a fixing ring 21, which is fixedly installed on the front of the valve body 1. An arc-shaped movable groove 22 is opened on the front of the fixing ring 21. A worm gear disk 23 is movably installed on the inner side of the fixing ring 21 through a bearing. A fixing block 24 is fixedly connected to the front of the worm gear disk 23. A spring 25 is fixedly connected to the rear end of the inner wall of the fixing block 24. A telescopic block 26 is fixedly connected to the front end of the spring 25. A positioning claw 27 is fixedly connected to the front end of the telescopic block 26. A hand-rotating worm gear 28 is movably installed on the right side wall of the fixing ring 21 through a bearing. By setting the hand-rotating worm gear 28 in conjunction with the worm gear disk 23, the angle of the positioning claw 27 can be fixed. The positioning claw 27 is locked on the outside of the hand-rotating rod 12, which can limit the angle of the hand-rotating rod 12 and prevent the hand-rotating rod 12 from being accidentally touched, thus changing the oil passage of the multi-way directional valve body 1 and improving the safety of the device.

[0025] Furthermore, the fixing ring 21 is sleeved on the outer side of the bottom end of the hand-turning rod 12. The fixing ring 21 and the worm gear 23 are coaxially arranged with the bottom end of the hand-turning rod 12. The fixing block 24 on the worm gear 23 can move stably within the arc-shaped movable groove 22.

[0026] Furthermore, the fixing block 24 is horizontally positioned and exposes the front of the fixing ring 21 through the arc-shaped movable groove 22, which provides space for the movement of the fixing block 24.

[0027] Furthermore, the telescopic block 26 has a "T" shaped structure. The rear end of the telescopic block 26 is slidably installed on the inside of the fixed block 24, and the front end of the telescopic block 26 is exposed on the front of the fixed block 24. The telescopic block 26, in conjunction with the spring 25, can drive the telescopic movement of the positioning claw 27.

[0028] Furthermore, the positioning claw 27 has a "U"-shaped structure and is locked on the outer side of the rear wall of the hand crank 12. The positioning claw 27 can limit and fix the angle of the hand crank 12.

[0029] Furthermore, the hand-operated worm gear 28 is vertically arranged and meshes with the worm wheel 23. Rotating the hand-operated worm gear 28 can drive the positioning claw 27 to rotate through the worm wheel 23, so that the positioning claw 27 is locked on the outside of the hand-operated rod 12 to position the hand-operated rod 12.

[0030] Working principle: When oil passage adjustment is required, push the positioning claw 27 backward. The positioning claw 27 drives the telescopic block 26 to move backward inside the fixed block 24. The telescopic block 26 compresses the spring 25, which can separate the positioning claw 27 from the hand crank 12, thus releasing the limitation on the hand crank 12. Pulling the hand crank 12 can drive the valve core to move within the valve body 1 of the multi-way directional valve, realizing the on / off adjustment of the oil passage. When the hand crank 12 is in the appropriate position, release the hand crank 12 and rotate the hand crank worm 28. The hand crank worm 28 meshes with the worm wheel 23. The rotation of the hand crank worm 28 drives the worm wheel 23 to move backward inside the fixed ring 21. When the worm gear 23 rotates, it drives the fixed block 24 to rotate inside the arc-shaped movable groove 22. When the fixed block 24 rotates, it can adjust the relative position of the positioning claw 27 and the hand-operated rod 12. When the positioning claw 27 and the hand-operated rod 12 are aligned front and back, the positioning claw 27 is released. The positioning claw 27 is then locked on the outside of the mounting bracket 11 under the restoring action of the spring 25. The worm gear 23 and the hand-operated worm 28 have a self-locking function, which can ensure that the angle of the positioning claw 27 is fixed and can stably limit the hand-operated rod 12, preventing the hand-operated rod 12 from being accidentally touched and displaced, thus improving the safety of the device.

[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A multi-way valve for easy adjustment and direction changing, comprising: A multi-way directional valve body (1) is provided with mounting brackets (11) installed on the left and right side walls of the multi-way directional valve body (1) and a hand crank (12) is rotatably mounted on the front of the multi-way directional valve body (1). Its features are: A positioning structure (2) is installed on the valve body (1) of the multi-way directional valve. The positioning structure (2) includes a fixing ring (21). The fixing ring (21) is fixedly installed on the front side of the valve body (1). An arc-shaped movable groove (22) is opened on the front side of the fixing ring (21). A worm gear disk (23) is movably installed on the inner side of the fixing ring (21) through a bearing. A fixing block (24) is fixedly connected to the front side of the worm gear disk (23). A spring (25) is fixedly connected to the rear end of the inner wall of the fixing block (24). A telescopic block (26) is fixedly connected to the front end of the spring (25). A positioning claw (27) is fixedly connected to the front end of the telescopic block (26). A hand-rotating worm gear (28) is movably installed on the right side wall of the fixing ring (21) through a bearing.

2. The multi-way valve for easy adjustment and direction changing according to claim 1, characterized in that: The fixing ring (21) is sleeved on the outer side of the bottom end of the hand-turning rod (12), and the fixing ring (21) and the worm gear (23) are coaxially arranged with the bottom end of the hand-turning rod (12).

3. A multi-way valve for easy adjustment and direction changing according to claim 1, characterized in that: The fixing block (24) is horizontally positioned and exposes the front of the fixing ring (21) via the arc-shaped movable groove (22).

4. A multi-way valve for easy adjustment and direction changing according to claim 1, characterized in that: The telescopic block (26) has a "T" shaped structure. The rear end of the telescopic block (26) is slidably mounted on the inner side of the fixed block (24), and the front end of the telescopic block (26) is exposed on the front side of the fixed block (24).

5. A multi-way valve for easy adjustment and direction changing according to claim 1, characterized in that: The positioning claw (27) has a "U" shaped structure and is engaged on the outer side of the rear wall of the hand crank (12).

6. A multi-way valve for easy adjustment and direction changing according to claim 1, characterized in that: The hand-operated worm gear (28) is vertically arranged and meshes with the worm wheel (23).

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