CN220168731U - Manual control reversing valve - Google Patents

Abstract

The utility model relates to the technical field of manual reversing valves, in particular to a manual reversing valve which comprises a handle and a mounting frame, wherein a chute is arranged on the outer side of the handle, a sliding block is arranged in the chute, a lock plunger is fixedly connected on the outer side of the sliding block, a first spring is fixedly connected on the outer side of the lock plunger, one end of the first spring is fixedly connected with a fixed column, a lug is fixedly connected on the outer side of the handle, a limit column is fixedly connected on the outer side of the mounting frame, a wedge block is fixedly connected on the inner side of the mounting frame, a guide device is fixedly connected on the outer side of the wedge block, one end of the guide device is fixedly connected with a push block, and a second spring is fixedly connected on the outer side of the push block.

Description

Manual control reversing valve

Technical Field

The utility model relates to the technical field of manual control reversing valves, in particular to a manual control reversing valve.

Background

The manual reversing valve is characterized in that the axial movement of the valve core is controlled by the manual swing handle, so that the relative position of the valve core and the valve body is changed, the flow direction and the on-off relation of fluid flowing through the reversing valve are controlled, and the equipment is high in operation safety and simple in control mode.

At present, in the operation process, because the handle is directly exposed outside, the handle is easy to scrape outside and collide with the reaction of inside spring and take place to remove, and the handle can drive valve core pole and case axial displacement, and the case removes and can lead to the fluid that the switching-over valve controlled to appear flowing to the mistake and flow the problem that is unsmooth, has reduced work efficiency, consequently, proposes a manual control switching-over valve to above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a manual reversing valve, which aims to solve the problem of low regulation stability of a handle of the manual reversing valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a manual control switching-over valve, includes handle and installing frame, terminal surface fixedly connected with valve body under the installing frame, the inboard fixedly connected with fixed axle of valve body, the fixed axle end rotates with the handle to be connected, handle one end hinged joint has the case pole, the case pole sets up in the valve body, the spout has been seted up in the handle outside, be provided with the slider in the spout, slider outside fixedly connected with lock plunger, lock plunger outside fixedly connected with first spring, first spring other end fixedly connected with fixed column, fixed column and handle fixedly connected with, handle outside fixedly connected with lug, the spacing post of installing frame outside fixedly connected with, the inboard fixedly connected with wedge of installing frame, wedge outside fixedly connected with guider, guider other end fixedly connected with ejector pad, ejector pad outside fixedly connected with second spring, the second spring other end and wedge fixedly connected with.

Preferably, the second springs, the guide devices, the wedge blocks and the limiting columns are arranged in number of 2, and the second springs, the guide devices, the wedge blocks and the limiting columns are distributed on two sides of the installation frame.

Preferably, the convex block is arranged in a circular arc shape, a circular arc-shaped groove is formed in the upper end face of the pushing block, and the ratio of the convex block to the circular arc-shaped groove of the pushing block is 1:1.

Preferably, the sliding block is in an I shape, the vertical part of the sliding block is arranged in the sliding groove, and the transverse part of the upper end of the sliding block is fixed in the lock plunger.

Preferably, the second spring is aligned with the center line of the guide, and the second spring is wound around the outside of the guide.

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

according to the utility model, through the lock plunger, the limit post, the protruding block and the pushing block, the handle can be fixed on the limit post by the lock plunger and the pushing block when reaching the reversing position, so that the handle can be locked immediately, the stability of handle adjustment is improved, the handle is prevented from shaking left and right, the valve core is driven to shake axially, the fluid in the valve body is not smooth, and the working efficiency is low.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic diagram of the structure of fig. 1 at B according to the present utility model.

In the figure: 1-mounting frame, 2-fixed axle, 3-handle, 4-lock plunger, 5-spacing post, 6-wedge, 7-slider, 8-first spring, 9-second spring, 10-guider, 11-fixed column, 12-ejector pad, 13-valve core bar, 14-valve body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It is to be understood that the directional terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal" and "top, bottom" etc. are generally based on the directional terms as they are shown in the drawings, merely to facilitate the description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a manual control switching-over valve, includes handle 3 and installing frame 1, terminal surface fixedly connected with valve body 14 under the installing frame 1, the inboard fixedly connected with fixed axle 2 of valve body 14, the terminal and handle 3 rotation of fixed axle 2 are connected, handle 3 one end hinged joint has spool pole 13, spool pole 13 sets up in valve body 14, spout 16 has been seted up in the handle 3 outside, be provided with slider 7 in the spout 16, slider 7 outside fixedly connected with lock plunger 4, lock plunger 4 outside fixedly connected with first spring 8, first spring 8 other end fixedly connected with fixed column 11, fixed column 11 and handle 3 fixedly connected with lug 15 in the handle 3 outside, 1 outside fixedly connected with spacing post 5 of installing frame, 1 inboard fixedly connected with wedge 6 in the wedge 6 outside fixedly connected with guider 10, 10 other end fixedly connected with push block 12, 12 outside fixedly connected with second spring 9, second spring 9 other end and 6 fixedly connected with wedge.

The second springs 9, the guide devices 10, the wedge blocks 6 and the limit columns 5 are arranged in number 2, the second springs 9, the guide devices 10, the wedge blocks 6 and the limit columns 5 are distributed on two sides of the installation frame 1, the handle 3 can be locked at the left end and the right end through arrangement, the convex blocks 15 are arranged to be circular arcs, circular arc grooves are formed in the upper end faces of the push blocks 12, the ratio of the radiuses of the convex blocks 15 to the radiuses of the circular arc grooves of the push blocks 12 is 1:1, the convex blocks 15 and the push blocks 12 can be tightly attached through arrangement, the sliding blocks 7 are arranged to be I-shaped, the vertical portions of the sliding blocks 7 are arranged in the sliding grooves 16, the transverse portions of the upper ends of the sliding blocks 7 are fixed in the locking bolts 4, the sliding bolts 4 can drive the sliding blocks 7 to slide in the sliding grooves 16, the central lines of the second springs 9 and the guide devices 10 are arranged to be on the same straight line, the second springs 9 are wound on the outer sides of the guide devices 10, and the sliding blocks 12 can move stably perpendicular to the wedge blocks 6 through arrangement.

The working flow is as follows: firstly, when the handle 3 is in a vertical state, the handle 3 is static under the action of a spring in the valve body 14, at the moment, the valve core makes a channel in the valve body 14 closed, when in use, a worker controls the handle 3 to rotate leftwards on the fixed shaft 2, the handle 3 drives the valve core rod 13 to move rightwards, the valve core rod 13 drives the valve core to move, the valve core contacts with the inner wall of the valve body 14, the opening and closing of a runner are controlled, further, the flow direction of fluid is controlled, a lug 15 on the left side of the handle 3 contacts with the push block 12, the arc surface of the lug 15 clings to a groove of the push block 12, the push block 12 moves perpendicular to the wedge block 6 under the guide of the guide device 10, the second spring 9 on the outer side of the guide device 10 is compressed, the lock plunger 4 is pulled, the lock plunger 4 drives the slide 7 to slide upwards in the slide groove 16, the first spring 8 fixed on the fixed column 11 is stretched, when the handle 3 moves to contact with the limit column 5, the lock bolt 4 is released, the lock bolt 4 is left and right under the pulling force of the first spring 8, the tail end of the lock bolt 4 clamps the limit post 5 into the notch, at the moment, the handle 3 is parallel to the direction of the push block 12, the second spring 9 presses the lug 15, so that the lock bolt 4 and the handle 3 are clung to two sides of the limit post 5, when the flow direction of fluid in the valve body 14 begins to be stable, the handle 3 is locked at the leftmost end, when the handle needs to be swung right, the lock bolt 4 is pulled, the lock bolt 4 drives the sliding block 7 to slide upwards in the sliding groove 16, the first spring 8 fixed on the fixed post 11 is stretched, the handle 3 is rotated right, the lug 15 on the right side of the handle 3 is contacted with the push block 12, the arc surface of the lug 15 is clung to the groove of the push block 12, the push block 12 moves perpendicular to the wedge block 6 under the guide of the guide device 10, the second spring 9 on the outer side of the guide device 10 is compressed, and left operation is repeated, the handle 3 is locked at the right end.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a manual control switching-over valve, includes handle (3) and installing frame (1), its characterized in that: the utility model discloses a novel structure of a valve body, including installing frame (1), fixed axle (2) is fixedly connected with in terminal face under installing frame (1), fixed axle (2) is rotationally connected with handle (3) in inboard fixedly connected with of valve body (14), handle (3) one end hinged joint has case pole (13), case pole (13) set up in valve body (14), spout (16) have been seted up in the handle (3) outside, be provided with slider (7) in spout (16), slider (7) outside fixedly connected with lock plunger (4), lock plunger (4) outside fixedly connected with first spring (8), first spring (8) other end fixedly connected with fixed column (11), fixed column (11) and handle (3) fixedly connected with, handle (3) outside fixedly connected with lug (15), fixed frame (1) outside fixedly connected with spacing post (5), wedge (6) are fixedly connected with in the inboard wedge (6) outside, guide device (10) are fixedly connected with in the wedge (6), guide device (10) other end (12) are connected with push away from outside (12), the other end of the second spring (9) is fixedly connected with the wedge-shaped block (6).

2. A pilot operated directional control valve as set forth in claim 1 wherein: the second springs (9), the guide devices (10), the wedge blocks (6) and the limiting columns (5) are arranged in number of 2, and the second springs (9), the guide devices (10), the wedge blocks (6) and the limiting columns (5) are distributed on two sides of the installation frame (1).

3. A pilot operated directional control valve as set forth in claim 1 wherein: the convex blocks (15) are arranged in a circular arc shape, circular arc grooves are formed in the upper end faces of the pushing blocks (12), and the ratio of the convex blocks (15) to the circular arc grooves of the pushing blocks (12) is 1:1.

4. A pilot operated directional control valve as set forth in claim 1 wherein: the sliding block (7) is in an I shape, the vertical part of the sliding block (7) is arranged in the sliding groove (16), and the transverse part of the upper end of the sliding block (7) is fixed in the lock plunger (4).

5. A pilot operated directional control valve as set forth in claim 1 wherein: the second spring (9) is in a straight line with the central line of the guiding device (10), and the second spring (9) is wound on the outer side of the guiding device (10).