CN221278517U - Gate valve easy to open - Google Patents

Abstract

The utility model provides an easily opened gate valve, which comprises a valve body, a gate plate and a valve rod, wherein one end of the valve body is a water inlet, and the other end of the valve body is a water outlet; the flashboard is arranged between the water inlet and the water outlet and is suitable for being matched with the valve body in a sealing way; the outer side of the valve rod is provided with threads, the valve rod is in threaded fit with the valve body, and the lower end of the valve rod is connected with the flashboard; the valve rod is internally provided with a first main pore canal, a second main pore canal, a plurality of first branch pore canals and a plurality of second branch pore canals, the first main pore canal and the second main pore canal are vertically arranged at intervals, and the top parts of the first main pore canal and the second main pore canal penetrate through the top part of the valve rod to form an oil inlet; one end of each first branch duct is communicated with the first main duct, and the other end of each first branch duct penetrates through the side face of the valve rod to form a plurality of first oil outlets; one end of each of the plurality of second branch pore canals is communicated with the second main pore canal, and the other end of each of the plurality of second branch pore canals penetrates through the side surface of the valve rod to form a plurality of second oil outlets; when the gate valve is closed, the valve rod contacts with the valve body; and the second oil outlets are positioned at the contact part of the valve rod and the valve body when the gate valve is opened.

Description

Gate valve easy to open

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to an easily opened gate valve.

Background

The gate valve is a shutter, the moving direction of the shutter is vertical to the fluid direction, and the gate valve is sealed by contacting the valve seat and the shutter.

The gate plate of the gate valve moves linearly along with the valve rod, and is called as a lifting rod gate valve or a rising rod gate valve. The lifting rod is generally provided with trapezoidal threads, the rotating motion is changed into linear motion through a nut at the top end of the valve and a guide groove on the valve body, namely, the operating torque is changed into the operating thrust, and the valve rod is rotated to realize the opening and closing of the gate valve.

When the gate valve is in an open or closed state for a long time, the valve rod is inevitably rusted with the valve body; at this time, the valve rod is difficult to rotate, at present, lubricating oil is usually added to the joint of the valve rod and the valve body, then a period of time is waited for, so that the lubricating oil fully infiltrates into the rust position, and then the valve rod can be easily rotated.

However, the lubricating oil can only be added from the top of the joint of the valve rod and the valve body, and slowly permeates downwards from the top, and the time required for full infiltration is long.

Disclosure of utility model

The embodiment of the utility model provides an easily opened gate valve, and aims to solve the technical problem that in the prior art, after the valve rod of the gate valve is embroidered, the time required for lubricating oil to fully infiltrate a rusted part is long.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is an easily openable gate valve, comprising:

One end of the valve body is a water inlet, and the other end of the valve body is a water outlet;

The flashboard is arranged between the water inlet and the water outlet and is suitable for being matched with the valve body in a sealing way; and

The valve rod is provided with threads on the outer side, the valve rod is in threaded fit with the valve body, and the lower end of the valve rod is connected with the flashboard and used for driving the flashboard to lift; the valve rod is internally provided with a first main pore canal, a second main pore canal, a plurality of first branch pore canals and a plurality of second branch pore canals, wherein the first main pore canal and the second main pore canal are vertically arranged at intervals, and the top parts of the first main pore canal and the second main pore canal penetrate through the top part of the valve rod to form an oil inlet; one end of each first branch duct is communicated with the corresponding first main duct, and the other end of each first branch duct penetrates through the side face of the valve rod to form a plurality of first oil outlets; one end of the plurality of second branch pore canals is communicated with the second main pore canals, and the other end of the plurality of second branch pore canals penetrates through the side surface of the valve rod to form a plurality of second oil outlets; when the gate valve is closed, the valve rod contacts with the valve body; and the second oil outlets are positioned at the contact part of the valve rod and the valve body when the gate valve is opened.

In one possible implementation manner of the gate valve easy to open provided by the utility model, two oiling grooves are further formed in the top of the valve rod, the bottoms of the two oiling grooves are respectively communicated with the tops of the first main pore canal and the second main pore canal, and the inner diameter of each oiling groove is larger than the inner diameters of the first main pore canal and the second main pore canal.

In one possible implementation manner of the gate valve easy to open, the gate valve further comprises two plugs, wherein external threads are arranged on the periphery of each plug, internal threads are arranged on the inner side of each oiling groove, and the two plugs are respectively in threaded connection with the two oiling grooves.

In one possible implementation manner of the gate valve easy to open provided by the utility model, a standby hole is formed in the bottom of the plug, the standby hole is a blind hole, and the top of the standby hole is higher than the top of the valve rod and is aligned with the first main pore canal or the second main pore canal.

In one possible implementation manner of the gate valve easy to open provided by the utility model, a breaking groove is formed in the periphery of the plug, the breaking groove is a ring groove, and the breaking groove is arranged between the top of the valve rod and the top of the standby hole.

In one possible implementation manner of the gate valve easy to open provided by the utility model, the gate valve further comprises a hand wheel, and the hand wheel is connected with the valve rod.

In one possible implementation manner of the gate valve easy to open, the gate valve further comprises an extension handle, wherein a sliding hole is formed in the side face of the hand wheel, and the extension handle is slidably arranged in the sliding hole.

In one possible implementation manner of the gate valve easy to open, two extension handles are provided, two sliding holes are formed in the side face of the hand wheel, the two sliding holes are symmetrical with respect to the center of the hand wheel, and the two extension handles are respectively arranged in the two sliding holes in a sliding mode.

The gate valve easy to open has the beneficial effects that: compared with the prior art, after the valve rod is embroidered in the closed state, lubricating oil can be added into the first main pore canal from the top of the valve rod, the lubricating oil flows into the first branch pore canals along the first main pore canal, and enters the joint of the valve rod and the valve body from the first branch pore canals; after the valve rod is embroidered in the opening state, lubricating oil can be added into the second main pore canal from the top of the valve rod, the lubricating oil flows into the plurality of second branch pore canals along the second main pore canal, and the lubricating oil enters the joint of the valve rod and the valve body from the plurality of second branch pore canals, so that the lubricating oil permeates the rusted part from a plurality of positions, and the time for the lubricating oil to permeate the rusted part is greatly shortened.

Drawings

FIG. 1 is a schematic side view of an easily openable gate valve according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

Fig. 3 is an enlarged view of a portion a in fig. 2;

Reference numerals illustrate:

10. A valve body; 20. a flashboard; 30. a valve stem; 31. a first main duct;

32. A first branch duct; 33. a second main duct; 34. a second branch duct; 40. a plug;

41. a spare hole; 42. breaking the groove; 50. a hand wheel; 51. an elongate handle.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the technical solutions according to the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

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 application. 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 application 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.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; 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 on … …," "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 "above … …" and "below … …". The device may also be positioned in other different ways and the spatially relative descriptions used herein are construed 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 application.

Referring to fig. 1 to 3, the gate valve with easy opening provided by the present utility model will now be described. The gate valve easy to open comprises a valve body 10, a gate plate 20 and a valve rod 30, wherein one end of the valve body 10 is a water inlet, and the other end is a water outlet; the flashboard 20 is arranged between the water inlet and the water outlet and is suitable for being matched with the valve body 10 in a sealing way; the outer side of the valve rod 30 is provided with threads, the valve rod 30 is in threaded fit with the valve body 10, and the lower end of the valve rod 30 is connected with the flashboard 20 and is used for driving the flashboard 20 to lift; the valve rod 30 is internally provided with a first main pore canal 31, a second main pore canal 33, a plurality of first branch pore canals 32 and a plurality of second branch pore canals 34, the first main pore canal 31 and the second main pore canal 33 are vertically arranged at intervals, and the top parts of the first main pore canal 31 and the second main pore canal 33 penetrate through the top part of the valve rod 30 to form an oil inlet; one end of each first branch pore canal 32 is communicated with the first main pore canal 31, and the other end of each first branch pore canal penetrates through the side surface of the valve rod 30 to form a plurality of first oil outlets; one end of the second branch pore canal 34 is communicated with the second main pore canal 33, and the other end penetrates through the side surface of the valve rod 30 to form a plurality of second oil outlets; the first oil outlets are positioned at the contact part of the valve rod 30 and the valve body 10 when the gate valve is closed; the second oil outlets are positioned at the contact part of the valve rod 30 and the valve body 10 when the gate valve is opened.

The easily opened gate valve provided by the embodiment of the utility model has the beneficial effects that: compared with the prior art, after the valve rod 30 is embroidered in the closed state, lubricating oil can be added into the first main pore canal 31 from the top of the valve rod 30, the lubricating oil flows into the first branch pore canals 32 along the first main pore canal 31, and enters the joint of the valve rod 30 and the valve body 10 from the first branch pore canals 32; after the valve rod 30 is embroidered in the opening state, lubricating oil can be added into the second main pore canal 33 from the top of the valve rod 30, the lubricating oil flows into the plurality of second branch pore canals 34 along the second main pore canal 33, and enters the connection part of the valve rod 30 and the valve body 10 from the plurality of second branch pore canals 34, so that the lubricating oil permeates the rusted part from a plurality of parts, and the time for the lubricating oil to permeate the rusted part is greatly shortened.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the gate valve easy to open provided in the embodiment of the present utility model, two oiling grooves are further provided at the top of the valve rod 30, the bottoms of the two oiling grooves are respectively communicated with the tops of the first main duct 31 and the second main duct 33, and the inner diameters of the oiling grooves are larger than the inner diameters of the first main duct 31 and the second main duct 33, so that lubricating oil is conveniently added into the first main duct 31 and the second main duct 33, so that the lubricating oil is prevented from spilling out of the first main duct 31 and the second main duct 33, and waste is reduced.

As shown in fig. 2 and fig. 3, in a specific implementation manner of the gate valve easy to open provided in the embodiment of the present utility model, the gate valve further includes two plugs 40, an external thread is provided on the periphery of the plugs 40, an internal thread is provided on the inner side of the oiling groove, and the two plugs 40 are respectively screwed with the two oiling grooves, so as to seal the first main duct 31 and the second main duct 33 in daily use, and prevent foreign matters such as external dust and stones from entering the first main duct 31 and the second main duct 33, so that the first main duct 31 and the second main duct 33 are blocked.

As shown in fig. 3, in a specific implementation manner of the gate valve with easy opening provided in the embodiment of the present utility model, a spare hole 41 is formed at the bottom of the plug 40, the spare hole 41 is a blind hole, and the top of the spare hole 41 is higher than the top of the valve rod 30 and aligned with the first main duct 31 or the second main duct 33.

It should be noted that, after long-term use, the plug 40 and the valve rod 30 may be rusted together; at this time, the plug 40 can be broken by using a tool such as an angle grinder or a hammer to expose the spare hole 41, and the oil can be filled into the first main duct 31 or the second main duct 33 through the spare hole 41

As shown in fig. 3, in a specific implementation manner of the gate valve with easy opening provided in the embodiment of the present utility model, a breaking groove 42 is formed on the periphery of the plug 40, the breaking groove 42 is a ring groove, and the breaking groove 42 is disposed between the top of the valve rod 30 and the top of the backup hole 41, so that the plug 40 is broken off from the breaking groove 42 when needed, and the backup hole 41 is exposed.

As shown in fig. 1 and 2, in a specific implementation manner of the gate valve that is easy to open according to the embodiment of the present utility model, a hand wheel 50 is further included, where the hand wheel 50 is connected to the valve stem 30, so as to facilitate manual rotation of the valve stem 30.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the gate valve easy to open provided in the embodiment of the present utility model, the gate valve further includes an extension handle 51, the extension handle 51 is provided with a sliding hole on a side surface of the hand wheel 50, and the extension handle 51 is slidably provided in the sliding hole.

Further, two extending handles 51 are provided, two sliding holes are provided on the side surface of the hand wheel 50, the two sliding holes are symmetrical with respect to the center of the hand wheel 50, and the two extending handles 51 are respectively slidably provided in the two sliding holes.

When it is difficult to rotate the valve rod 30 only by the hand wheel 50, the extension handle 51 is pulled out from the sliding hole by a certain distance, and at this time, the extension handle 51 still coincides with the sliding hole by a certain distance, and the valve rod 30 is rotated by holding the extension handle 51, so that the arm of force is extended, and the valve rod 30 is easier to rotate.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. An easy-to-open gate valve, comprising:

A valve body (10) with one end being a water inlet and the other end being a water outlet;

The flashboard (20) is arranged between the water inlet and the water outlet and is suitable for being matched with the valve body (10) in a sealing way; and

The valve rod (30) is provided with threads on the outer side, the valve rod (30) is in threaded fit with the valve body (10), and the lower end of the valve rod (30) is connected with the flashboard (20) and used for driving the flashboard (20) to lift;

The valve rod (30) is internally provided with a first main pore canal (31), a second main pore canal (33), a plurality of first branch pore canals (32) and a plurality of second branch pore canals (34), wherein the first main pore canal (31) and the second main pore canal (33) are vertically arranged at intervals, and the tops of the first main pore canal and the second main pore canal (33) penetrate through the top of the valve rod (30) to form an oil inlet; one end of each first branch duct (32) is communicated with the corresponding first main duct (31), and the other end of each first branch duct penetrates through the side face of the corresponding valve rod (30) to form a plurality of first oil outlets; one end of each second branch duct (34) is communicated with the corresponding second main duct (33), and the other end of each second branch duct penetrates through the side face of the corresponding valve rod (30) to form a plurality of second oil outlets; the first oil outlets are positioned at the contact part of the valve rod (30) and the valve body (10) when the gate valve is closed; and the second oil outlets are positioned at the contact part of the valve rod (30) and the valve body (10) when the gate valve is opened.

2. The gate valve of claim 1, wherein the top of the valve rod (30) is further provided with two oiling grooves, the bottoms of the two oiling grooves are respectively communicated with the tops of the first main duct (31) and the second main duct (33), and the inner diameter of the oiling groove is larger than the inner diameters of the first main duct (31) and the second main duct (33).

3. The gate valve easy to open according to claim 2, further comprising two plugs (40), wherein the outer periphery of the plugs (40) is provided with external threads, the inner side of the oiling groove is provided with internal threads, and the two plugs (40) are respectively screwed with the two oiling grooves.

4. A gate valve easy to open as claimed in claim 3, characterised in that the bottom of the plug (40) is provided with a back-up hole (41), the back-up hole (41) being a blind hole, the top of the back-up hole (41) being higher than the top of the valve stem (30) and aligned with the first main duct (31) or the second main duct (33).

5. The gate valve easy to open according to claim 4, wherein a breaking groove (42) is formed in the periphery of the plug (40), the breaking groove (42) is a ring groove, and the breaking groove (42) is arranged between the top of the valve rod (30) and the top of the standby hole (41).

6. The easy open gate valve of claim 1 further comprising a hand wheel (50), the hand wheel (50) being connected to the valve stem (30).

7. The gate valve of claim 6, further comprising an elongated handle (51), wherein the elongated handle (51) is provided with a slide hole on a side of the hand wheel (50), and wherein the elongated handle (51) is slidably disposed in the slide hole.

8. The gate valve according to claim 7, wherein the number of the extension handles (51) is two, two sliding holes are formed in the side surface of the hand wheel (50), the two sliding holes are symmetrical with respect to the center of the hand wheel (50), and the two extension handles (51) are respectively slidably arranged in the two sliding holes.