Hand-operated direction valve core

Abstract

The utility model provides a manual reversing valve core, which belongs to the field of fluid control and comprises a mounting bottom plate, a valve core and a valve core, a fluid reversing mechanism; the fluid reversing mechanism comprises a reversing valve body installed on the installation bottom plate, a valve element is installed in the reversing valve body, the reversing valve body is provided with an inlet quick-screwing connector structure and an outlet quick-screwing connector structure which are communicated with the valve element, the valve element is fixedly connected with a valve rod which can move and is provided with a flow channel, and the valve rod is fixedly connected with the valve element. The valve rod moves to drive the valve element to move, the valve element moves to change the communication position of the inlet quick-screwing connector structures and the outlet quick-screwing connector structures, the flowing direction of fluid can be changed, and the fluid is reversed by moving the valve rod and enabling the flow channels in the valve rod to correspond to different inlet quick-screwing connector structures and outlet quick-screwing connector structures on the valve element. Compared with a traditional fluid supply system, the purpose of fluid reversing can be achieved, the structure is simple, and control is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid control, in particular to a manual reversing valve core. Background Art

[0002] Currently, most fluid dispensing equipment production processes only have one fluid supply module, which provides fluid to the nozzle for product production. If the same product requires two fluids, it is necessary to add a nozzle and a new set of fluid supply modules to achieve the two fluid supply.

[0003] Adding a nozzle and a complete set of fluid supply modules not only takes up space, but also complicates the process and increases costs; for this reason, the present application proposes a manual reversing valve core. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a manual reversing valve core.

[0005] The embodiment of the present utility model provides a manual reversing valve core, comprising:

[0006] Install the base plate;

[0007] Fluid reversing mechanism; the fluid reversing mechanism includes a reversing valve body installed on a mounting base plate, a valve core installed in the reversing valve body, an inlet quick-screw joint structure and an outlet quick-screw joint structure connected to the valve core installed in the reversing valve body, a movable valve stem with a flow channel fixedly connected to the valve core, the movement of the valve stem drives the movement of the valve core, the movement of the valve core changes the position of the connection between the inlet quick-screw joint structure and the outlet quick-screw joint structure, and can change the direction of fluid flow. Through the movement of the valve stem, the flow channel on the valve stem corresponds to the different inlet quick-screw joint structures and outlet quick-screw joint structures on the valve core, thereby reversing the fluid.

[0008] Furthermore, a cylinder is installed on the mounting base plate, a connecting rod is installed on the output end of the cylinder, and the valve stem is installed on the connecting rod.

[0009] Furthermore, the inlet quick-screw joint structure includes a first inlet and a second inlet.

[0010] Furthermore, the outlet quick-screw connector structure includes a first outlet and a second outlet.

[0011] Furthermore, the valve core is provided with a through groove that can communicate with the flow channel and the inlet quick-screw joint structure and the outlet quick-screw joint structure.

[0012] Furthermore, the outer wall of the valve core is provided with a plurality of annular grooves, and sealing rings are installed in the annular grooves, and the sealing rings are located on both sides of the through groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Compared with the traditional fluid supply system, the utility model can achieve the purpose of fluid reversal, and has a simple structure and is easy to control. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a manual reversing valve core described in an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of a valve core in a manual reversing valve core described in an embodiment of the present utility model.

[0017] Figure 3 This is a front view of a valve core in a manual reversing valve core described in an embodiment of the present utility model.

[0018] Figure 4 This is a schematic diagram of point A in a manual reversing valve core described in an embodiment of the present utility model.

[0019] In the above drawings: 1 mounting base plate, 2 cylinder, 3 connecting rod, 4 reversing valve body, 5 valve stem, 6 first outlet, 7 second outlet, 8 first inlet, 9 second inlet, 10 through groove, 11 annular groove, 12 sealing ring, 13 valve core. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1-Figure 4 As shown, the embodiment of the present utility model provides a manual reversing valve core, comprising:

[0022] Install base plate 1;

[0023] Fluid reversing mechanism; the fluid reversing mechanism includes a reversing valve body 4 installed on the mounting base plate 1, a valve core 13 is installed in the reversing valve body 4, and the reversing valve body 4 is installed with an inlet quick-screw joint structure and an outlet quick-screw joint structure connected to the valve core 13, the inlet quick-screw joint structure includes a first inlet 8 and a second inlet 9, wherein the outlet quick-screw joint structure includes a first outlet 6 and a second outlet 7.

[0024] A movable valve stem 5 having a flow channel is fixedly connected to the valve core 13, wherein the flow channel can be connected to the first outlet 6, the second outlet 7, the first inlet 8, and the second inlet 9. The specific setting of the flow channel can be set according to actual needs; a cylinder 2 is installed on the mounting base 1, and a connecting rod 3 is installed at the output end of the cylinder 2. The valve stem 5 is installed on the connecting rod 3, so that the movement of the cylinder 2 can drive the connecting rod 3 and the valve stem 5 to move; wherein the valve stem 5 slides sealed in the valve core 13 arranged in a sleeve shape.

[0025] The valve stem 5 moves to drive the valve core 13 to move, the valve core 13 is provided with a through groove 10 capable of communicating with the flow channel and the inlet quick connector structure and the outlet quick connector structure, the outer wall of the valve core 13 is provided with a plurality of annular grooves 11, the annular grooves 11 are provided with sealing rings 12, the sealing rings 12 are located on both sides of the through groove 10, and a plurality of sealing rings 12 are arranged to avoid fluid leakage.

[0026] The valve core 13 moves to change the position of the inlet quick connector structure and the outlet quick connector structure, so that the direction of fluid flow can be changed, the flow channel on the valve stem corresponds to different inlet quick connector structures and outlet quick connector structures on the valve core 13, the fluid is reversed, that is, the first inlet 8 can be communicated with the first outlet 6 and the second outlet 7, and the second inlet 9 is arranged in the same way, so that the flow direction of the fluid can be switched to achieve two kinds of fluid supply by one nozzle, thereby solving the problems in the prior art.

[0027] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A manual reversing valve core, characterized in that: include: Install the base plate (1); A fluid reversing mechanism; the fluid reversing mechanism comprises a reversing valve body (4) mounted on a mounting base plate (1), a valve core (13) mounted in the reversing valve body (4), an inlet quick-twist joint structure and an outlet quick-twist joint structure connected to the valve core (13) mounted on the reversing valve body (4), a valve stem (5) which is movable and has a flow channel fixedly connected to the valve core (13), the movement of the valve stem (5) drives the movement of the valve core (13), the movement of the valve core (13) changes the position of the inlet quick-twist joint structure and the outlet quick-twist joint structure connected, and can change the direction of fluid flow, and through the movement of the valve stem (5), the flow channel on the valve stem (5) corresponds to the different inlet quick-twist joint structures and outlet quick-twist joint structures on the valve core (13), thereby reversing the fluid.

2. A manual reversing valve core according to claim 1, characterized in that: in: A cylinder (2) is mounted on the mounting base plate (1), a connecting rod (3) is mounted on the output end of the cylinder (2), and the valve stem (5) is mounted on the connecting rod (3).

3. A manual reversing valve core according to claim 1, characterized in that: in: The inlet quick-connect joint structure comprises a first inlet (8) and a second inlet (9).

4. A manual reversing valve core according to claim 1, characterized in that: in: The outlet quick-connect joint structure comprises a first outlet (6) and a second outlet (7).

5. The manual reversing valve core according to claim 1, characterized in that: in: The valve core (13) is provided with a through groove (10) capable of communicating with the flow channel and the inlet quick-screw joint structure and the outlet quick-screw joint structure.

6. A manual reversing valve core according to claim 1, characterized in that: in: The outer wall of the valve core (13) is provided with a plurality of annular grooves (11), and a sealing ring (12) is installed in the annular groove (11). The sealing ring (12) is located on both sides of the through groove (10).

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