Hydraulic control device of multi-way reversing valve

Abstract

The utility model discloses a multi-way reversing valve hydraulic control device which comprises a valve body and a hydraulic control valve arranged on the top of the valve body, a cavity is formed in the hydraulic control valve, a connector is communicated with the inner bottom of the hydraulic control valve, and a ring sleeve is arranged at the position, close to the bottom, in the hydraulic control valve. Connecting blocks are fixedly arranged on the two sides of the ring sleeve, the outer surface of the connector is sleeved with a connecting sleeve, an expansion water stop ring sleeve is fixedly arranged in the connecting sleeve, the connector communicates with the valve body, and the opposite sides of the two connecting blocks penetrate through the hydraulic control valve and extend out of the hydraulic control valve. And the connecting block is in sliding connection with the hydraulic control valve. According to the hydraulic control device for the multi-way reversing valve, by arranging the ring sleeve, the connecting sleeve, the expansion water stop ring sleeve and the locking screw rod, when the hydraulic control device is used, the butt joint position can be sealed, the sealing performance of the hydraulic control device is improved, the hydraulic control device is not prone to leakage in the using process, convenience is brought to a user, and the practicability of the hydraulic control device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reversing valve technical field, concretely is a kind of multi-way reversing valve hydraulic control device. BACKGROUND

[0002] With the improvement of the user's whole machine performance and driving comfort requirement, when agricultural harvesting machinery upgrades or refits product, according to use needs, sometimes electromagnetic control multi-way reversing valve and mechanical control multi-way reversing valve are configured on the whole machine simultaneously, and the control of corresponding functions is completed by setting corresponding operation or control components.In actual use process, the hydraulic oil output by hydraulic pump will have two mid-position unloading circuits, i.e., the hydraulic oil flows back to the hydraulic oil tank from the oil inlet of the electromagnetic control multi-way reversing valve, two-position two-way electric control reversing valve and the oil outlet of the electromagnetic control multi-way reversing valve; the hydraulic oil returns to the hydraulic oil tank from the oil inlet of the mechanical control multi-way reversing valve, the mid-position oil way of the mechanical control multi-way reversing valve and the oil outlet of the mechanical control multi-way reversing valve.

[0003] The comparative file "multi-way reversing valve hydraulic control device", patent number (CN217271103U), when the mechanical control multi-way reversing valve is operated to change direction, the unloading circuit of the hydraulic pump can be cut off by the mechanical valve rod, without the need for other operations; when the electromagnetic control multi-way reversing valve needs to be operated to change direction, the electromagnetic control valve is energized to cut off the direct oil port, and the oil flows into the electromagnetic control multi-way reversing valve to achieve corresponding action control, and the whole device is more convenient and reliable to operate.

[0004] However, when the control device is connected to the pipeline, it often uses clamping design, which leads to poor sealing and easy leakage, causing inconvenience to the user and failing to meet the user's usage needs. INVENTION CONTENTS

[0005] The utility model aims at providing a multi-way reversing valve hydraulic control device to solve the problem of poor sealing and easy leakage when the control device is connected to the pipeline, which causes inconvenience to the user and fails to meet the user's usage needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-way reversing valve hydraulic control device, comprising a valve body, a hydraulic control valve at the top of the valve body, a cavity is formed in the interior of the hydraulic control valve, an interface is communicated with the bottom of the hydraulic control valve, a ring sleeve is arranged at the bottom position in the hydraulic control valve, connecting blocks are fixedly arranged on both sides of the ring sleeve, a connecting sleeve is sleeved on the outer surface of the interface, and an expansion water stop sleeve is fixedly arranged in the interior of the connecting sleeve.

[0007] Further, the interface and the valve body are communicated.

[0008] Further, the two connecting blocks are slidably connected with the hydraulic control valve.

[0009] Further, the inner wall of the expansion water-stopping ring is in contact with the interface.

[0010] Further, the two connecting blocks are slidably connected with the hydraulic control valve.

[0011] Further, the two connecting blocks are slidably connected with the hydraulic control valve.

[0012] Further, the two connecting blocks are slidably connected with the hydraulic control valve.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The multi-way reversing valve hydraulic control device is sealed at the docking position, improves the sealing performance, is not easy to leak during use, brings convenience to the user, improves the practicability of the device, and meets the use demand of the user. 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 structural sectional view of the utility model; Figure 2 It is a local enlarged schematic view of A;

[0018] Figure 4 It is a top view of the connecting sleeve of the utility model.

[0019] In the figure: 1, valve body; 2, hydraulic control valve; 3, interface; 4, ring sleeve; 5, connecting block; 6, connecting sleeve; 7, expansion water-stopping ring; 8, locking screw; 9, connecting spring; 10, conduit. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below by combining with the drawings and 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 kind of multi-way reversing valve hydraulic control device, including valve body 1, valve body 1 is used to control medium flow, the top hydraulic control valve 2 of valve body 1, hydraulic control valve 2 is used to control the flow direction of medium, cavity is opened in the inside of hydraulic control valve 2, interface 3 is communicated with in the bottom of hydraulic control valve 2, interface 3 is used to connect pipeline, ring sleeve 4 is set in the bottom position in hydraulic control valve 2, ring sleeve 4 is used to set corresponding assembly, the both sides of ring sleeve 4 are fixedly provided with connecting block 5, connecting block 5 is used to set connecting sleeve 6, connecting sleeve 6 is sleeved on the outer surface of interface 3, connecting sleeve 6 is used to set expansion waterstop ring sleeve 7, expansion waterstop ring sleeve 7 is fixedly provided in the inside of connecting sleeve 6, expansion waterstop ring sleeve 7 can play the role of sealing leakage prevention.

[0022] Further, interface 3 is communicated with valve body 1, wherein interface 3 is used to connect pipeline.

[0023] Further, the side opposite to two connecting blocks 5 is penetrated through hydraulic control valve 2 and extends to its outside, and connecting block 5 is slidably connected with hydraulic control valve 2, wherein connecting block 5 is used to set connecting sleeve 6.

[0024] Further, the inner wall of expansion waterstop ring sleeve 7 is in contact with interface 3, wherein expansion waterstop sleeve 7 can play the role of expansion leakage prevention.

[0025] Further, the side opposite to two connecting blocks 5 is penetrated through hydraulic control valve 2 and extends to its outside, and connecting block 5 is slidably connected with hydraulic control valve 2, wherein connecting block 5 is used to set connecting sleeve 6.

[0026] Further, connecting spring 9 is fixedly arranged at the front and rear end positions of ring sleeve 4 bottom, and the bottom of connecting spring 9 is fixedly connected with hydraulic control valve 2, wherein connecting spring 9 plays the role of supporting and connecting ring sleeve 4.

[0027] Further, the both sides of valve body 1 are communicated with conduit 10, wherein conduit 10 plays the role of flow guide.

[0028] Working principle: when using the device, after the user installs pipeline and interface 3 in butt joint, the user pulls connecting block 5 to move ring sleeve 4 upwards, connecting sleeve 6 moves upwards through the upward movement of ring sleeve 4, and expansion waterstop ring sleeve 7 moves to butt joint to wrap butt joint, and expansion waterstop ring sleeve 7 expands to seal when leakage occurs.

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

[0030] The hydraulic control device of the multi-way reversing valve seals the butt joint and improves the sealing performance by arranging the ring 4, the connecting sleeve 6, the expansion water-stopping ring 7 and the locking screw 8, so that the device is not easy to leak in use, brings convenience for users, improves the practicability of the device and meets the use requirement of users.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled 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 multi-way directional valve hydraulic control device comprising a valve body (1), characterized in that: The top hydraulic control valve (2) of the valve body (1), the inside of the hydraulic control valve (2) is provided with a cavity, the bottom of the hydraulic control valve (2) is communicated with an interface (3), the bottom of the hydraulic control valve (2) is provided with a ring sleeve (4), the two sides of the ring sleeve (4) are fixedly provided with a connecting block (5), the outer surface of the interface (3) is sleeved with a connecting sleeve (6), and the inside of the connecting sleeve (6) is fixedly provided with an expansion water stop ring sleeve (7).

2. The hydraulic control apparatus for a multi-way directional valve according to claim 1, characterized by: The interface (3) is communicated with the valve body (1).

3. The hydraulic control apparatus of a multi-way directional valve according to claim 1, characterized by: The opposite sides of the two connecting blocks (5) are penetrated through the hydraulic control valve (2) and extended to the outside, and the connecting block (5) is slidably connected with the hydraulic control valve (2).

4. The hydraulic control apparatus of a multi-way directional valve according to claim 1, characterized by: The inner wall of the expansion water stop ring sleeve (7) is in contact with the interface (3).

5. The hydraulic control apparatus of a multiple directional control valve according to claim 1, characterized by: The opposite sides of the two connecting blocks (5) are threadedly connected with locking screws (8), and the top positions of the two sides of the hydraulic control valve (2) are provided with locking grooves.

6. The hydraulic control apparatus of a multiple directional control valve according to claim 1, characterized by: The front and rear end positions of the bottom of the ring sleeve (4) are fixedly provided with connecting springs (9), and the bottom of the connecting spring (9) is fixedly connected with the hydraulic control valve (2).

7. The hydraulic control apparatus of a multiple directional control valve according to claim 1, characterized by: The two sides of the valve body (1) are communicated with catheters (10).

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