CN219755390U

CN219755390U - Valve

Info

Publication number: CN219755390U
Application number: CN202321394930.0U
Authority: CN
Inventors: 熊伟; 张会玲
Original assignee: Hubei Aopai Valve Industry Co ltd
Current assignee: Hubei Aopai Valve Industry Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-26
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a valve, which comprises a valve shell, wherein the valve shell comprises a valve shell, one end of the valve shell is provided with a control box, one end of the control box is provided with a control disc in a penetrating way, two ends of the valve shell are provided with pipelines, one end of each pipeline is provided with a flange, two semicircular gates are arranged in the valve shell and are perpendicular to the axial direction of the pipelines, a gear assembly is arranged in the control box, the input end of the gear assembly is connected with the control disc, the output end of the gear assembly is connected with the gates, and the control box is used for converting the circular motion of the control disc into the linear motion of the gates. The device adopts a double-gate structure, so that the gate stroke and the opening and closing time are effectively shortened; the device changes the control mode of the gate from the traditional thread control to the gear control through the control box, shortens the opening and closing time of the valve and enhances the tightness; the control box of the device can adjust the closing speed of the gate according to the opening and closing degree of the gate, so that the increasing and decreasing speed of the section is consistent with the rotating speed of the control panel all the time, and the opening and closing of the valve can be controlled more accurately.

Description

Valve

Technical Field

The utility model relates to the field of fluid conveying equipment, in particular to a valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc.

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. Among the shut-off valves, butterfly valves, ball valves and gate valves are most common. The transmission of traditional gate valve is through the mode of threaded connection through rotatory control panel control valve lift, and on-off time is long, and flashboard stroke is big, and just can open or close completely, can not control as required.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a valve, which solves the problems that the opening and closing time of the valve is difficult to determine, the stroke of a flashboard is large, and the opening and closing degree of the valve is difficult to control in the prior art.

The utility model is realized by the following technical scheme: the utility model provides a valve, includes the valve casing, valve casing one end is provided with the control box, and the control box is kept away from the one end of valve casing and is worn to be equipped with the control panel, and valve casing both ends are provided with the pipeline, and the one end that the valve casing was kept away from to the pipeline is provided with the ring flange, is provided with two lamella semicircle form gates in the valve casing, and gate perpendicular to pipeline is provided with gear assembly in the control box, and the control panel is connected to gear assembly's input, output connection gate, and the control box is used for converting the circular motion of control panel into the rectilinear motion of gate.

Further, a filter plate is arranged in the valve shell and is parallel to the gate.

Further, a sliding groove is formed in the valve shell, a sliding rod is fixedly connected to the gate, the sliding rod is movably arranged in the sliding groove, a limiting groove is fixedly formed in one end, close to the control box, of the gate, and the sliding groove is perpendicular to the limiting groove.

Further, the control box is internally provided with sector gears meshed with each other, the sector gears are fixedly provided with fixed columns, the fixed columns are movably connected with the limiting grooves, and the sector gears are in transmission connection with the control panel through gears.

Further, the sector gear has the same radius as the gate.

Further, a dial is arranged on the control box, a pointer is arranged in the dial, and the part of the pointer penetrating through the control box is connected with the control box through a gear.

Further, the side surface of the gate and the contact part of the valve shell and the gate are coated with elastic materials.

Further, a sealing bearing is arranged at the contact part of the control box and the control panel and the contact part of the control box and the pointer.

Compared with the prior art, the utility model has the following beneficial effects: the device adopts a double-gate structure, so that the gate stroke and the opening and closing time are effectively shortened; the device changes the control mode of the gate from the traditional thread control to the gear control through the control box, shortens the opening and closing time of the valve and enhances the tightness; the control box of the device adjusts the closing speed of the gate according to the opening and closing degree of the gate, so that the increasing and decreasing speed of the section is consistent with the rotating speed of the control panel all the time, and the opening and closing of the valve can be controlled more accurately.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the control box when the gate is closed according to the embodiment of the utility model;

FIG. 3 is a schematic view of the internal structure of the control box when the gate is opened according to the embodiment of the utility model;

fig. 4 is a schematic diagram of a partial structure in a control box according to an embodiment of the present utility model.

In the figure: 1. a valve housing; 2. a control box; 3. a control panel; 4. a pipe; 5. a flange plate; 11. a gate; 12. a filter plate; 13. a chute; 14. a slide bar; 15. a limit groove; 21. a sector gear; 22. fixing the column; 23. a dial; 24. a pointer.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the structures or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, this embodiment provides a valve, valve casing 1 one end is provided with control box 2, control box 2 is kept away from valve casing 1's one end and wears to be equipped with control panel 3, valve casing 1 both ends are provided with pipeline 4, pipeline 4 is kept away from valve casing 1's one end is provided with ring flange 5, be provided with two lamella semicircle-like gate 11 in the valve casing 1, gate 11 perpendicular to pipeline 4 axial, be provided with gear assembly in the control box 2, gear assembly's input connection control panel 3, output connection gate 11, control box 2 is used for turning into the linear motion of gate 11 with the circular motion of control panel 3. The device belongs to gate valves according to type division, the function of the valve is realized by controlling the passage of fluid through two flaps of gates 11, the control box 2 converts the circular motion of the control panel 3 into the linear reciprocating motion of the gates 11, and besides, the control box 2 can adjust the speed of the linear motion of the gates 11 according to the opening and closing state of the gates 11, so that the increasing and decreasing speed of the section is always consistent with the rotating speed of the control panel 3.

As shown in fig. 1, a filter plate 12 is preferably provided in the valve housing 1, the filter plate 12 being parallel to the gate 11. The filter sheet 12 serves to filter foreign substances existing in the pipe, and prevent the foreign substances from clogging the shutter 11.

As shown in fig. 2-4, preferably, a sliding groove 13 is arranged in the valve housing 1, a sliding rod 14 is fixedly connected to the gate 11, the sliding rod 14 is movably arranged in the sliding groove 13, a limit groove 15 is fixedly arranged at one end, close to the control box 2, of the gate 11, and the sliding groove 13 and the limit groove 15 are parallel to each other. The slide bar 14 on the gate 11 is arranged in the slide groove 13, and the slide groove 13 and the slide bar 14 form a limiting structure, so that the gate 11 moves linearly along the slide groove 13.

As shown in fig. 2-4, preferably, a pair of sector gears 21 meshed with each other are disposed in the control box 2, a fixed column 22 is fixedly disposed on the sector gears 21, the fixed column 22 is movably connected with the limit grooves 15 on the two-leaf gate 11 respectively, and the sector gears 21 are connected with the control panel 3 through gears. The sector gear 21 is connected with the control panel 3 through a gear, a fixed column 22 is arranged at a position of the sector gear 21 close to the edge, and when the sector gear 21 rotates, the fixed column 22 rotates. The fixed column 22 is embedded in the limit groove 15, and the limit groove 15 decomposes the circular motion of the fixed column 22 into linear motion along the limit groove 15 and linear motion perpendicular to the limit groove 15, so as to drive the gate 11 fixedly connected to the limit groove 15 to move.

Preferably, the sector gear 21 has the same radius as the shutter 11. The flow rate is controlled by controlling the flow area of the fluid, and in this embodiment, in order to uniformly control the flow cross section, it is necessary to increase or decrease the flow cross section by approximately the same amount when the control disk 3 rotates by the same angle. That is, it is required that the secant of the edge of the shutter 11 on the pipe 4 and the linear velocity product of the movement of the shutter 11 are nearly identical when the control disk 3 rotates at the same angular velocity, and therefore it is required that the sector gear 21 and the shutter 11 have the same radius.

As shown in fig. 1-3, the control box 2 is preferably provided with a dial 23, in which a pointer 24 is arranged, the part of the pointer 24 penetrating the control box 2 being connected to the control plate 3 by means of a gear. The pointer 24 is used to indicate the opening and closing degree of the gate 11, and one rotation of the pointer 24 indicates that the gate 11 is completely opened to completely closed or completely closed to completely opened, so that a user can accurately know the opening and closing state of the current valve.

Preferably, the contact part of the valve housing 1 and the gate 11 is coated with waterproof silica gel. The contact part of the control box 2 and the control panel 3 and the contact part of the control box 2 and the pointer 24 are provided with sealing bearings. The transmission of this embodiment is comparatively complicated, and direct connection can't accomplish waterproof completely between valve casing 1 and the control box 2, therefore set up sealed bearing in control box 2 and the contact position of control panel 3 and strengthen waterproof.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A valve, characterized in that: including valve casing (1), valve casing (1) one end is provided with control box (2), control box (2) are kept away from one end of valve casing (1) is worn to be equipped with control panel (3), valve casing (1) both ends are provided with pipeline (4), pipeline (4) are kept away from one end of valve casing (1) is provided with ring flange (5), be provided with two lamella semicircle gate (11) in valve casing (1), gate (11) perpendicular to pipeline (4) axial, be provided with gear assembly in control box (2), gear assembly's input is connected control panel (3), output is connected gate (11), control box (2) be used for with the circular motion of control panel (3) is turned into the linear motion of gate (11).

2. A valve as defined in claim 1, wherein: a filter plate (12) is arranged in the valve shell (1), and the filter plate (12) is parallel to the gate (11).

3. A valve as defined in claim 1, wherein: the valve is characterized in that a sliding groove (13) is formed in the valve shell (1), a sliding rod (14) is fixedly connected to the gate (11), the sliding rod (14) is movably arranged in the sliding groove (13), a limiting groove (15) is fixedly formed in one end, close to the control box (2), of the gate (11), and the sliding groove (13) is perpendicular to the limiting groove (15).

4. A valve as claimed in claim 3, wherein: a pair of sector gears (21) meshed with each other are arranged in the control box (2), fixed columns (22) are fixedly arranged on the sector gears (21), the fixed columns (22) are respectively movably connected with the limiting grooves (15) on the two gates (11), and the sector gears (21) are in transmission connection with the control panel (3) through gears.

5. A valve as defined in claim 4, wherein: the sector gear (21) has the same radius as the gate (11).

6. A valve as defined in claim 1, wherein: the control box (2) is provided with a dial (23), a pointer (24) is arranged in the dial (23), and the part of the pointer (24) penetrating through the control box is connected with the control panel (3) through a gear.

7. A valve as defined in claim 1, wherein: the side surface of the gate (11) and the contact part of the valve shell (1) and the gate (11) are coated with elastic materials.

8. A valve as defined in claim 6, wherein: the contact part of the control box (2) and the control panel (3) and the contact part of the control box (2) and the pointer (24) are provided with sealing bearings.