Valve element position adjusting device of multi-way valve

Abstract

The utility model relates to a multi-way valve element position adjusting device which comprises an end cover, a rotating block, an operating rod detachably connected with the rotating block, a rotating shaft and a rotating body capable of being connected with a valve element. A shaft hole matched with the rotating shaft is formed in the end cover, the first end of the rotating shaft is inserted into the shaft hole, and the first end of the rotating shaft can rotate in the shaft hole; the second end of the rotating shaft sequentially penetrates through the rotating block and the rotating body, and the rotating shaft is fixedly connected with the rotating block and the rotating body. The position of the valve element of the multi-way valve can be conveniently adjusted through the adjusting device, and the adjusting cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of multiway valve, specifically, a kind of multiway valve spool position adjusting device. BACKGROUND

[0002] Multiway valve is a kind of two or more valve blocks are combined together, to operate integrated valve of multiple execution element movement, widely used in engineering machinery and agricultural machinery, it needs to have the function of manually controlling internal valve core reversing because of application scene problem, to realize the opening and closing and opening amount of valve core valve port. At present, the industry mainly uses electric proportional valve to control pilot hydraulic oil, to control the movement of valve core. Although this kind of mode can realize the displacement of valve core, but the cost is high.

[0003] The prior art discloses: CN114278650A discloses a multiway valve spool displacement detection device, including tool main body, measuring piece and displacement sensor, one end of tool main body is equipped with screw cover, displacement sensor is close to screw cover and sets up, the other end of tool main body is equipped with measured multiway valve, the tool main body is hollow structure, and the measuring piece is inserted into the tool main body, the measuring end of measuring piece extends into the inner cavity of measured multiway valve, and is in contact with the measured multiway valve spool of measured multiway valve, the measuring piece moves left and right in the tool main body along with the measured multiway valve spool, the sensing end of measuring piece extends out of screw cover, and is opposite displacement sensor and is set to detect the displacement of measured multiway valve spool by displacement sensor;Pilot oil port is formed in tool main body, and the inner cavity of tool main body is through setting, oil channel is formed in measuring piece, and is communicated with the inner cavity of measured multiway valve, pilot oil port is imported, and is delivered to measured multiway valve by oil channel, to realize the oiling work of measuring end.

[0004] The multiway valve spool displacement detection device disclosed in the prior art can only monitor the displacement of the valve core and cannot control the displacement of the valve core. UTILITY MODEL CONTENTS

[0005] The technical problem solved by the utility model is to overcome the problems in the prior art, and provide a multiway valve spool position adjusting device which can conveniently adjust the position of the multiway valve spool and has low cost.

[0006] The purpose of the utility model is achieved by the following technical solutions:

[0007] A multiway valve spool position adjusting device, comprising an end cover, a rotating block, an operating rod detachably connected with the rotating block, a rotating shaft, and a rotating body connectable with the valve core;The end cover is provided with an axle hole matched with the rotating shaft, and the first end of the rotating shaft is inserted into the axle hole, and the first end of the rotating shaft can rotate in the axle hole;The second end of the rotating shaft passes through the rotating block and the rotating body in sequence, and the rotating shaft is fixedly connected with the rotating block and the rotating body.

[0008] Preferably, the rotating block is provided with threaded holes matched with the operating rod, and the axes of the threaded holes are arranged at an angle.

[0009] Preferably, the operating rod comprises a handle, locking nuts arranged at two ends of the handle, and rubber caps; the locking nuts are connected with the threaded holes.

[0010] Preferably, the rotating block is provided with a through hole connected with the rotating shaft, and the rotating block is further provided with a pin shaft for fixing the rotating shaft.

[0011] Preferably, the rotating body is connected with the rotating shaft in an interference fit.

[0012] Preferably, the rotating body comprises a connecting block connected with the rotating shaft, and connecting pieces arranged on the connecting block for connecting the valve core.

[0013] Preferably, the rotating body is arranged in an end cover, the rotating body is provided with a limiting part on the side wall, and the end cover is provided with a limiting rod matched with the limiting part.

[0014] Preferably, the limiting part is a groove and / or an inclined angle.

[0015] Preferably, the limiting rod is arranged in two.

[0016] Preferably, the rotating body is further connected with a sealing plug for preventing oil leakage of the multi-way valve.

[0017] The device has the following beneficial effects:

[0018] The rotating block and the rotating body are connected through the rotating shaft, the rotating shaft is controlled through the operating rod, and the rotating body is driven to rotate relative to the end cover under the linkage action; when the rotating body rotates, the valve core of the multi-way valve is driven to displace. The whole device has a simple structure, and the displacement control of the valve core of the multi-way valve can be realized by manually operating the operating rod, and the operating cost is low.

[0019] The sealing plug is arranged to prevent oil leakage.

[0020] The rotating block is provided with a plurality of threaded holes matched with the operating rod, the operating rod can be connected with the rotating block from three directions, and three-way operation is realized.

[0021] The rotating body is provided with a limiting part, the limiting rod on the end cover abuts against the side wall of the rotating body, and the limiting of the rotating body is realized, so that the limiting of the adjusting position of the valve core is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the multi-way valve core position adjusting device.

[0023] Figure 2The handle structure schematic view of the valve core position adjusting device of the multi-way valve is shown in the utility model.

[0024] Figure 3 The plug structure schematic view of the valve core position adjusting device of the multi-way valve is shown in the utility model.

[0025] Figure 4 The structure schematic view of the rotating shaft and the rotating body assembly of the valve core position adjusting device of the multi-way valve is shown in the utility model. DETAILED DESCRIPTION

[0026] To clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation, and combined with its drawings. In the following description, a lot of specific details are set forth in order to fully understand the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it is understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] Embodiment 1

[0028] As Figures 1-4As shown, the application discloses a multi-way valve spool position adjusting device which comprises an end cover 10, a rotating block 2, an operating rod 1 which is detachably connected with the rotating block 2, a rotating shaft 4 and a rotating body 3 which can be connected with a valve spool; the end cover 10 is provided with a shaft hole which is matched with the rotating shaft 4, the first end of the rotating shaft 4 is inserted into the shaft hole and the first end of the rotating shaft 4 can rotate in the shaft hole; the second end of the rotating shaft 4 passes through the rotating block 2 and the rotating body 3 in sequence and the rotating shaft 4 is fixedly connected with the rotating block 2 and the rotating body 3.

[0029] In the embodiment, the operating rod 1 is detachably connected with the rotating block 2, manual control of the operating rod 1 can make the rotating block 2 rotate. When the rotating block 2 rotates, the rotating shaft 4 connected with the rotating block 2 rotates. The other end of the rotating shaft 4 is connected with the rotating body 3, the rotating shaft 4 serves as a connecting shaft of the rotating body 3 and the rotating block 2, when the rotating shaft 4 rotates, the rotating shaft 4 will certainly move together with the rotating body 3. When the rotating body 3 rotates, the valve spool connected with the rotating body 3 moves. Through control of the operating rod 1, the control of the position of the multi-way valve spool can be realized and the operation is simple.

[0030] In the embodiment, the end cover 10 provides a rotating support point for the rotating shaft 4 and the first end of the rotating shaft 4 is inserted into the shaft hole.

[0031] Specifically, the rotating block 2 and the rotating body 3 are arranged side by side and the operating rod 1 is connected with the side wall of the rotating block 2. When the adjusting device is used, the rotating body 3 is placed into the oil passage of the multi-way valve and the rotating body 3 is connected with the valve spool of the multi-way valve. The whole device has simple structure and can be manually controlled by the operating rod 1 to realize the displacement control of the multi-way valve spool and the control cost is low.

[0032] Embodiment 2

[0033] The application discloses a multi-way valve spool position adjusting device which comprises an end cover 10, a rotating block 2, an operating rod 1 which is detachably connected with the rotating block 2, a rotating shaft 4 and a rotating body 3 which can be connected with a valve spool; the end cover 10 is provided with a shaft hole which is matched with the rotating shaft 4, the first end of the rotating shaft 4 is inserted into the shaft hole and the first end of the rotating shaft 4 can rotate in the shaft hole; the second end of the rotating shaft 4 passes through the rotating block 2 and the rotating body 3 in sequence and the rotating shaft 4 is fixedly connected with the rotating block 2 and the rotating body 3.

[0034] The difference between the embodiment and the embodiment 1 is that the rotating block 2 and the operating rod 1 can be connected through threads. Specifically, three threaded holes can be arranged on the side wall of the rotating block 2. The operating rod 1 is connected with the threaded holes. Through the arrangement, the installation and dismounting of the operating rod 1 are facilitated.

[0035] Specifically, the axes of the three threaded holes are arranged at an angle. The angle of the threaded holes can be set according to the model of the multi-way valve. By arranging three threaded holes, the operating rod 1 can be connected with any one of the threaded holes, thereby providing three mounting points for the mounting of the operating rod 1. The connection of the operating rod 1 with any one of the threaded holes can control the position of the valve core of the multi-way valve, thereby achieving three-way adjustment. Thus, the adjustment requirement of the position of the valve core of the multi-way valve in different environments is met.

[0036] Of course, the number of threaded holes can also be N (N is the number), thereby achieving N-way adjustment.

[0037] Embodiment 3

[0038] Disclosed is a multi-way valve core position adjusting device, which comprises an end cover 10, a rotating block 2, an operating rod 1 detachably connected with the rotating block 2, a rotating shaft 4, and a rotating body 3 connectable with a valve core. The end cover 10 is provided with an axle hole matched with the rotating shaft 4, the first end of the rotating shaft 4 is inserted into the axle hole, and the first end of the rotating shaft 4 can rotate in the axle hole. The second end of the rotating shaft 4 passes through the rotating block 2 and the rotating body 3 in sequence, and the rotating shaft 4 is fixedly connected with the rotating block 2 and the rotating body 3.

[0039] The difference between this embodiment and embodiment 1 is that the operating rod 1 comprises a handle 5 and locking nuts 6 and rubber caps 7 arranged at both ends of the handle 5, and the handle 5 is connected with the threaded holes through threads. The operating rod 1 is composed of three parts, which not only facilitates installation, but also improves operation comfort. The handle 5 is tightened or loosened through the locking nuts 6.

[0040] Embodiment 4

[0041] Disclosed is a multi-way valve core position adjusting device, which comprises an end cover 10, a rotating block 2, an operating rod 1 detachably connected with the rotating block 2, a rotating shaft 4, and a rotating body 3 connectable with a valve core. The end cover 10 is provided with an axle hole matched with the rotating shaft 4, the first end of the rotating shaft 4 is inserted into the axle hole, and the first end of the rotating shaft 4 can rotate in the axle hole. The second end of the rotating shaft 4 passes through the rotating block 2 and the rotating body 3 in sequence, and the rotating shaft 4 is fixedly connected with the rotating block 2 and the rotating body 3.

[0042] The difference between this embodiment and embodiment 1 is that the rotating block 2 comprises a block-shaped body, the block-shaped body is provided with a through hole connected with the rotating shaft 4, one end of the rotating shaft 4 is connected with the through hole, and a pin shaft 8 is further connected between the rotating shaft 4 and the block-shaped body. The rotating shaft 4 and the block-shaped body are fixed through the pin shaft 8. When the operating rod 1 drives the block-shaped body to rotate, the rotating shaft 4 can rotate synchronously with the block-shaped body.

[0043] Embodiment 5

[0044] The application discloses a valve core position adjusting device of a multi-way valve, which comprises an end cover 10, a rotating block 2, an operating rod 1 detachably connected with the rotating block 2, a rotating shaft 4 and a rotating body 3 connectable with a valve core.

[0045] The difference between the embodiment and the embodiment 1 is that the rotating shaft 4 is connected with the rotating body 3 at the end away from the rotating block 2. In order to ensure that the rotating shaft 4 can drive the rotating body 3 to rotate when the rotating shaft 4 moves, the rotating shaft 4 and the rotating body 3 can be connected in an interference fit.

[0046] In the embodiment, the rotating body 3 comprises a connecting block connected with the rotating shaft 4 and a connecting piece arranged on the connecting block and used for connecting the valve core. The connecting piece can be a hook column or a column vertically arranged on the connecting block. The hook column is connected with the valve core. When the rotating body 3 rotates along with the rotating shaft 4, the hook column also rotates synchronously, the valve core connected with the hook column is pulled by the hook column, and the valve core is displaced.

[0047] In order to prevent oil leakage of the multi-way valve, the rotating body 3 is further connected with a sealing plug 9 for preventing oil leakage of the multi-way valve. The sealing plug 9 comprises a threaded plug 10, an O-shaped sealing ring, a UN sealing ring 12 and a bearing 13. The UN sealing ring 12 is expanded at one end under oil pressure, so that the UN sealing ring 12 can bear a certain oil pressure without leaking. The O-shaped sealing ring prevents oil from flowing out of the threaded plug 10, and the bearing 13 is used for pressing the UN sealing ring 12.

[0048] Specifically, the rotating body 3 is arranged in the end cover 10, a limiting portion is arranged on the side wall of the rotating body 3, and a limiting rod 15 matched with the limiting portion 14 is arranged on the end cover 10. The limiting portion 14 can be a groove and / or an inclined angle. Corresponding threaded holes are arranged on the end cover 10, the limiting rod 15 is connected with the threaded holes on the end cover 10, the rotation angle of the rotating body 3 is limited by controlling the screwing of the limiting rod, and finally, the position of the valve core is limited.

[0049] A sealing nut is arranged on the limiting rod 15 to prevent internal oil leakage.

[0050] Obviously, the above embodiments are only examples for clearly illustrating the technical scheme of the application, and are not intended to limit the implementation modes of the application. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the claims of the application.

Claims

1. A multi-way valve spool position adjustment device, characterized by, The utility model relates to a rotary valve core of multi-way valve, including end cover, rotary block, with the detachable connection of operation lever of rotary block, pivot, with the rotator that valve core can be connected, the end cover is equipped with the axle hole that coordinates with pivot, and the first end of pivot inserts axle hole, and the first end of pivot can rotate in axle hole, the second end of pivot passes rotary block and rotator in proper order, and pivot is fixedly connected with rotary block and rotator.

2. A spool position adjusting device for a multiple valve according to claim 1, wherein The rotary block is provided with threaded holes matched with the operation lever, and the axes of the threaded holes are arranged at an angle.

3. A spool position adjusting device for a multiple valve according to claim 2, wherein The operation lever includes a handle, locking nuts arranged at both ends of the handle, and rubber caps.

4. The spool position adjusting device for a multiple valve according to claim 1, wherein The rotary block is provided with a through hole connected with the pivot, and the rotary block is further provided with a pin shaft for fixing the pivot.

5. A valve spool position adjusting device for a multiple valve according to claim 1, wherein The rotator is interference connected with the pivot.

6. A spool position adjusting device for a multiple valve according to claim 1, wherein The rotator includes a connecting block connected with the pivot and a connecting piece arranged on the connecting block for connecting the valve core.

7. A multi-valve spool position adjusting device according to claim 6, wherein The rotator is arranged in the end cover, a limiting part is arranged on the side wall of the rotator, and a limiting rod matched with the limiting part is arranged on the end cover.

8. A multi-valve spool position adjusting device according to claim 7, wherein The limiting part is a groove and / or an inclined angle.

9. A multi-valve spool position adjusting device according to claim 7, wherein The limiting rod is arranged in two.

10. The spool position adjusting device for a multiple valve according to claim 1, wherein The rotator is further connected with a sealing plug for preventing oil leakage of the multi-way valve.

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