Vacuum gate valve

Abstract

The utility model discloses a vacuum gate valve which comprises a valve body, a mounting seat is arranged at the top of the valve body, a valve rod is fixedly connected to the top of a fixing column, a rocking wheel is arranged at the top of the valve rod, and a through hole is formed in the rocking wheel. The rocking wheel is arranged on the outer side edge of the fixing rod through the penetrating hole and moves downwards, then the gear block is driven to move to be away from the gear, fixing of the rocking wheel is released, then the rocking wheel is rotated to close and open the valve body, after rotation of the rocking wheel is stopped, downward acting force on the rocking wheel is released, and the rocking wheel moves upwards under the action of the spring. The rocking wheel drives the limiting ring to move upwards through the connecting rod, the limiting ring drives the gear block to move to be meshed with the gear, so that the rocking wheel is fixed, the rocking wheel is prevented from deflecting due to accidents, the situation that the water flow of a pipeline is adjusted due to accidents is avoided, and the control effect of the spherical check valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a vacuum gate valve. Background Art

[0002] As we all know, vacuum gate valve is a commonly used valve, generally including valve body, valve stem, gate, valve cover, etc. There is a sealing packing between the valve cover and the valve stem, the valve stem is connected to the gate through transmission, and a bracket is fixed on the valve cover. A nut matching the valve stem is provided in the bracket. The vacuum gate valve is mainly used for cutting off, throttling, distributing and changing the flow direction of the medium in the pipeline.

[0003] When the existing vacuum gate valve is in use, the staff may easily collide with the regulating end of the vacuum gate valve while walking, resulting in the adjustment of the water flow in the pipeline and reducing the control effect of the vacuum gate valve. Therefore, a vacuum gate valve is proposed to solve the above problem. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a vacuum gate valve.

[0005] One of the purposes of the utility model is achieved by the following technical solution:

[0006] A vacuum gate valve, comprising a valve body, a mounting seat is provided on the top of the valve body, a fixing column is fixedly connected to the top of the mounting seat, a sealing ring is fixedly connected to the top of the fixing column, a valve stem is fixedly connected to the top of the fixing column, a rocker is provided on the top of the valve stem, a through hole is provided on the rocker, a fixing rod is fixedly connected to the top of the valve stem, a spring is movably sleeved on the outer edge of the fixing rod, the top of the fixing rod movably passes through the through hole and is fixedly connected to a limit plate;

[0007] The outer edge of the fixed column is fixedly sleeved with a gear, the outer edge of the gear is movably sleeved with a limiting ring, the inner side of the limiting ring is fixedly connected with a plurality of tooth blocks, and the left and right sides of the limiting ring are fixedly connected with connecting rods.

[0008] Furthermore, flanges are fixedly sleeved on both left and right sides of the valve body, and a plurality of flange holes are opened on the flanges.

[0009] Furthermore, the mounting seat is provided with a plurality of screws, and the mounting seat is mounted on the valve body by means of the screws.

[0010] Furthermore, the top of the spring is fixedly connected to the bottom of the rocking wheel, and the spring is fixedly connected to the top of the fixing column.

[0011] Furthermore, the tooth block is meshed with the gear, and a plurality of the tooth blocks are arranged in a circular array with the center of the limiting ring as the center.

[0012] Furthermore, the cross section of the connecting rod is L-shaped, and the connecting rod is fixedly connected to the bottom of the rocking wheel.

[0013] Furthermore, the cross section of the fixing rod is rectangular, and the fixing rod and the through hole match each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model provides a vacuum gate valve. The rocker is pressed downward, and the rocker moves downward through the perforated setting on the outer edge of the fixed rod, thereby driving the tooth block to move away from the gear, thereby unlocking the fixation of the rocker, and then rotating the rocker to close and open the valve body. After the rocker stops rotating, the downward force on the rocker is released, and the rocker moves upward under the action of the spring. The rocker drives the limit ring to move upward through the connecting rod, and the limit ring drives the tooth block to move to mesh with the gear, thereby fixing the rocker, thereby preventing the rocker from deflecting due to accidents, preventing the water flow of the pipeline from being adjusted due to accidents, and improving the control effect of the ball check valve;

[0016] 2. The utility model is a vacuum gate valve. During use, the fixed rod is set in a rectangular shape so that the rocker can move within a limited track. At the same time, the rocker can be rotated to drive the fixed rod and the valve stem to rotate, thereby ensuring the normal operation of the components.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a frontal stereogram of the utility model;

[0019] Figure 2 This is a front view of the utility model;

[0020] Figure 3 It is a front perspective view of the fixing rod of the utility model component;

[0021] Figure 4 It is a front view of the fixing rod of the utility model component;

[0022] Figure 5 It is a front perspective view of the rocking wheel component of the utility model;

[0023] Figure 6 It is a bottom perspective view of the rocking wheel component of the utility model.

[0024] Numbers in the figure: 1. valve body; 2. flange; 3. flange hole; 4. mounting seat; 5. screw; 6. fixing column; 7. gear; 8. sealing ring; 9. valve stem; 10. fixing rod; 11. spring; 12. through hole; 13. limit ring; 14. gear block; 15. connecting rod; 16. rocker; 17. limit plate. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0028] See also Figure 1-6 The utility model provides a technical solution: a vacuum gate valve, comprising a valve body 1, a flange 2 is fixedly sleeved on both sides of the valve body 1, a plurality of flange holes 3 are opened on the flange 2, a mounting seat 4 is provided on the top of the valve body 1, a plurality of screws 5 are provided on the mounting seat 4, the mounting seat 4 is mounted on the valve body 1 through the screws 5, a fixing column 6 is fixedly connected to the top of the mounting seat 4, a sealing ring 8 is fixedly connected to the top of the fixing column 6, a valve stem 9 is fixedly connected to the top of the fixing column 6, a rocking wheel 16 is provided on the top of the valve stem 9, a through hole 12 is opened on the rocking wheel 16, a fixing rod 10 is fixedly connected to the top of the valve stem 9, a spring 11 is movably sleeved on the outer edge of the fixing rod 10, the top of the spring 11 is fixedly connected to the bottom of the rocking wheel 16, the spring 11 is fixedly connected to the top of the fixing column 6, the top of the fixing rod 10 movably passes through the through hole 12, and is fixedly connected to a limiting plate 17, the cross section of the fixing rod 10 is rectangular, and the fixing rod 10 and the through hole 12 match each other;

[0029] A gear 7 is fixedly sleeved on the outer edge of the fixed column 6, and a limiting ring 13 is movably sleeved on the outer edge of the gear 7. A plurality of tooth blocks 14 are fixedly connected to the inner side of the limiting ring 13. Connecting rods 15 are fixedly connected to the left and right sides of the limiting ring 13. The cross section of the connecting rod 15 is L-shaped. The connecting rod 15 is fixedly connected to the bottom of the rocking wheel 16. The tooth blocks 14 are meshed with the gear 7. The plurality of tooth blocks 14 are arranged in a circular array with the center of the limiting ring 13 as the center.

[0030] Working principle: During use, the valve body 1 is connected to the connecting pipe through the flange 2, and the valve body 1 is closed and opened by rotating the rocking wheel 16. Before rotating the rocking wheel 16, the rocking wheel 16 is pressed downward first, and the rocking wheel 16 moves downward on the outer edge of the fixing rod 10 through the perforation 12. At the same time, the spring 11 is compressed, and the rocking wheel 16 drives the limit ring 13 to move downward through the connecting rod 15. The limit ring 13 drives the tooth block 14 to move downward, and the tooth block 14 moves away from the gear 7, thereby unlocking the fixation of the rocking wheel 16, and then the rocking wheel 16 is rotated, and the rocking wheel 16 is rotated. 16 drives the fixing rod 10 to rotate, and the fixing rod 10 drives the valve stem 9 to rotate, thereby closing and opening the valve body 1. After the rotation of the rocking wheel 16 stops, the downward force on the rocking wheel 16 is released, and the rocking wheel 16 moves upward under the action of the spring 11. The rocking wheel 16 drives the limiting ring 13 to move upward through the connecting rod 15, and the limiting ring 13 drives the tooth block 14 to move to mesh with the gear 7, so as to fix the rocking wheel 16, thereby preventing the rocking wheel 16 from deflecting due to accidents, avoiding accidental adjustment of the water flow in the pipeline, and improving the control effect of the ball check valve.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. 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 utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0036] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A vacuum gate valve, comprising a valve body, characterized in that: The top of the valve body is provided with a mounting seat, the top of the mounting seat is fixedly connected with a fixing column, the top of the fixing column is fixedly connected with a sealing ring, the top of the fixing column is fixedly connected with a valve stem, the top of the valve stem is provided with a rocker, the rocker is provided with a through hole, the top of the valve stem is fixedly connected with a fixing rod, the outer edge of the fixing rod is movably sleeved with a spring, the top of the fixing rod movably passes through the through hole and is fixedly connected with a limiting plate; The outer edge of the fixed column is fixedly sleeved with a gear, the outer edge of the gear is movably sleeved with a limiting ring, the inner side of the limiting ring is fixedly connected with a plurality of tooth blocks, and the left and right sides of the limiting ring are fixedly connected with connecting rods.

2. A vacuum gate valve according to claim 1, characterized in that: Flange plates are fixedly sleeved on both left and right sides of the valve body, and a plurality of flange holes are opened on the flange plates.

3. A vacuum gate valve according to claim 1, characterized in that: The mounting seat is provided with a plurality of screws, and the mounting seat is mounted on the valve body through the screws.

4. A vacuum gate valve according to claim 1, characterized in that: The top of the spring is fixedly connected to the bottom of the rocking wheel, and the spring is fixedly connected to the top of the fixing column.

5. A vacuum gate valve according to claim 1, characterized in that: The tooth blocks are meshed with the gears, and a plurality of the tooth blocks are arranged in a circular array with the center of the limiting ring as the center.

6. A vacuum gate valve according to claim 1, characterized in that: The cross section of the connecting rod is L-shaped, and the connecting rod is fixedly connected to the bottom of the rocking wheel.

7. A vacuum gate valve according to claim 1, characterized in that: The cross section of the fixing rod is rectangular, and the fixing rod and the through hole match each other.

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