CN213512164U - Low-temperature gate valve with good sealing performance and easy cleaning - Google Patents
Low-temperature gate valve with good sealing performance and easy cleaning Download PDFInfo
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- CN213512164U CN213512164U CN202022156477.2U CN202022156477U CN213512164U CN 213512164 U CN213512164 U CN 213512164U CN 202022156477 U CN202022156477 U CN 202022156477U CN 213512164 U CN213512164 U CN 213512164U
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Abstract
The utility model relates to a low temperature valve technical field discloses a low temperature gate valve that leakproofness is good to be cleared up. This kind of low temperature gate valve of good easy clearance of leakproofness includes: disk seat, valve gap, screw rod, connecting rod, first valve plate, spring, spout, cooperation groove, cooperation piece and the disk seat is equipped with the cooperation chamber, the inside bottom of disk seat is provided with the cooperation chamber, the central point at disk seat top puts the department and is provided with rather than matched with valve gap. This kind of low temperature gate valve that leakproofness is good is provided with the spring with disk seat fixed connection through the both ends of cooperation piece bottom when using, can extrude the cooperation piece, makes inside the disk seat stretches to under the first valve plate, and then makes the utility model discloses leakproofness greatly increased when closing, and when first valve plate was opened, two sets of springs promoted the bottom sealing connection in cooperation piece and cooperation chamber, in the time of the medium that circulates, can not pile up debris in the cooperation inslot portion, relatively for convenient clearance.
Description
Technical Field
The utility model relates to a low temperature valve technical field specifically is a low temperature gate valve that easy clearance is good to the leakproofness.
Background
The gate valve is an opening and closing member gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed by the contact of a valve seat and the gate plate, and metal materials are usually welded on a sealing surface to increase the wear resistance.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays a role in cutting off and throttling on a pipeline. The needle valve in the prior art can bear higher pressure and has good sealing performance than other types of valves, so the needle valve is generally used for sealing gas or liquid medium with smaller flow and higher pressure.
When the gate valve is closed completely among the prior art, the relatively poor problem of leakproofness can be caused to flashboard and disk seat bottom direct contact, if set up in disk seat inside with flashboard matched with recess, can cause debris to pile up, it is comparatively troublesome to clear up.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature gate valve that easy clearance is good to the leakproofness is not good and if set up the cooperation groove and can cause debris accumulational problem in the disk seat bottom in solving above-mentioned background art.
In order to achieve the purpose, the utility model provides a low-temperature gate valve with good sealing performance and easy cleaning, which comprises a valve seat, a valve cover, a screw rod, a connecting rod, a first valve plate, a spring, a chute, a matching groove, a matching block and a matching cavity arranged on the valve seat;
the bottom end in the valve seat is provided with a matching cavity, the center position of the top of the valve seat is provided with a valve cover matched with the valve seat, and the center position in the valve cover is provided with a screw rod;
a matching groove is formed in the center of the bottom end in the matching cavity, springs are fixedly arranged at two ends of the top of the matching groove, and a matching block is fixedly arranged at the top of each spring;
the screw rod bottom outside is rotated and is connected with the connecting rod, the connecting rod bottom is provided with and extends to the cooperation intracavity portion and with cooperation piece matched with first valve plate. Both ends through cooperation piece bottom are provided with the spring with disk seat fixed connection, when first valve plate pushes down, can extrude the cooperation piece, make inside the disk seat stretches to under the first valve plate, and then make the utility model discloses leakproofness greatly increased when closing, and when first valve plate was opened, two sets of springs promoted the cooperation piece and cooperate the bottom in chamber to be sealing connected, in the time of the medium that circulates, can not cooperate the inslot again and pile up debris, more for convenient clearance.
Preferably, the two sides of the valve seat are fixedly provided with connecting pipes, the two groups of connecting pipes are internally provided with an input channel and an output channel which are communicated with the matching cavity respectively, and the connecting pipes are internally provided with the input channel and the output channel so as to be conveniently communicated with an external pipeline.
Preferably, the bearing is connected to the rotation between the screw rod bottom outside and the connecting rod, and the fixed baffle that is provided with bearing matched with in the outside at connecting rod top, through setting up the bearing, when the screw rod rotates, make first valve plate can not take place to interfere rather than, and can drive first valve plate and rise, it is comparatively convenient.
Preferably, the outside that the inside both sides of connecting pipe are located input channel and output channel is provided with the spread groove, and the inboard fixed rubber circle that is provided with of spread groove, through setting up the spread groove, make external pipeline with the utility model discloses the cooperation is inseparable, can not take place to leak.
Preferably, the top of the screw rod is located above the valve cover and is fixedly provided with a hand wheel, the top of the screw rod is located above the hand wheel and is fixedly provided with a limiting block matched with the hand wheel, the screw rod is conveniently rotated by arranging the hand wheel, and the limiting block is arranged to enable the screw rod to be fixedly connected with the hand wheel.
Preferably, the fixed plate that is provided with in the outside of hand wheel bottom, the fixed limiting plate that extends to the valve gap inside that is provided with in the outside of fixed plate bottom, and the inboard at valve gap top be provided with limiting plate matched with spacing groove, through setting up the limiting plate, make the hand wheel more stable when rotating, can not take place to rock.
Preferably, the top of the matching block is provided with an arc-shaped surface, the top of the arc-shaped surface is fixedly provided with a sealing gasket, and the matching block is matched with the bottom of the matching cavity tightly by arranging the arc-shaped surface.
Preferably, the valve cover is internally provided with a sliding groove matched with the first valve plate on the outer side of the screw rod, the cross section of the sliding groove is rectangular, and the sliding groove does not interfere with the first valve plate when the first valve plate rises.
Preferably, the valve cover is in threaded connection with the valve seat through a plurality of groups of screws, a gasket is arranged between each screw and the valve cover, and the valve cover is stable to install and convenient to detach through the arrangement of the screws.
Preferably, the inside ring channel that is provided with in first valve plate both sides, the inside even fixed multiunit fixed head that is provided with of ring channel, fixed head inside all is provided with the round hole.
Drawings
Fig. 1 is a schematic partial structure diagram of embodiment 1 of the present invention;
fig. 2 is a transverse sectional view of embodiment 1 of the present invention;
fig. 3 is a longitudinal sectional view of embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 5 is a schematic structural view of the first valve plate according to embodiment 2 of the present invention after being enlarged.
In the figure: 1. a valve seat; 2. a valve cover; 3. a mating cavity; 4. a mating groove; 5. a spring; 6. a matching block; 7. a screw; 8. a connecting rod; 9. a first valve plate; 10. a connecting pipe; 11. an input channel; 12. an output channel; 13. a chute; 14. a hand wheel; 15. a limiting block; 16. a fixing plate; 17. a limiting plate; 18. An arc-shaped surface; 19. connecting grooves; 20. a bearing; 21. a screw; 2201. an annular groove; 2202. a fixed head; 2203. a circular hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the application, in the prior art, the sealing performance between the valve plate and the valve seat is poor, and sundries are easily accumulated in the valve plate and the valve seat, so that the valve plate is difficult to clean.
The utility model discloses the people discovery causes the not good leading cause of valve plate leakproofness to be that there is certain gap in valve plate and the inside cooperation chamber of disk seat when the circulation medium, and then leads to the leakproofness relatively poor, if set up the groove in the inside bottom of disk seat, will lead to piling up of debris, comparatively difficult clearance.
In order to solve the above problems, the present application of the present invention provides a technical solution, which comprises the following specific embodiments:
example 1
A cryogenic gate valve with good sealing performance and easy cleaning is disclosed, as shown in figures 1-4, and comprises: the valve seat 1, the valve cover 2, the screw 7, the connecting rod 8, the first valve plate 9, the spring 5, the sliding groove 13, the matching groove 4, the matching block 6 and the valve seat 1 are provided with matching cavities 3; the bottom end in the valve seat 1 is provided with a matching cavity 3, the center position of the top of the valve seat 1 is provided with a valve cover 2 matched with the valve seat, and the center position in the valve cover 2 is provided with a screw 7; a matching groove 4 is formed in the center of the bottom end inside the matching cavity 3, springs 5 are fixedly arranged at two ends of the top of the matching groove 4, and a matching block 6 is fixedly arranged at the top of each spring 5; the outer side of the bottom of the screw rod 7 is rotatably connected with a connecting rod 8, the bottom of the connecting rod 8 is provided with a first valve plate 9 which extends into the matching cavity 3 and is matched with the matching block 6, through the above contents, in the process of using the utility model, when the screw rod 7 is driven to rotate by the rotation of the hand wheel 14, the screw rod 7 is in threaded connection with the valve cover 2, a bearing is arranged between the rotating screw rod 7 and the connecting rod 8, the rotating screw rod can not influence the lifting of the first valve plate 9, when the first valve plate 9 is in a closed state, the bottom of the first valve plate 9 is tightly matched with the matching block 6, then the hand wheel 14 is rotated, the first valve plate 9 is further descended, the first valve plate 9 extrudes the matching block 6, the matching block 6 moves downwards under the action of two groups of springs 5 at the bottom of the matching block, and the first valve plate 9 can further extend to the bottom inside the valve, great reduction the gap in the inside cooperation chamber 3 of first valve plate 9 and disk seat 1, when first valve plate 9 was opened, first valve plate 9 rose, and then two sets of springs 5 promoted cooperation piece 6 and get back to primary importance, made the arcwall face at cooperation piece 6 top and the 3 bottom sealing connection in cooperation chamber, in the time of flowing medium, also can not be in the inside debris of piling up of cooperation groove 4, it is comparatively convenient to clear up, and the leakproofness is better.
In this embodiment, the fixed connecting pipe 10 that is provided with in 1 both sides of disk seat, the inside input channel 11 and the output channel 12 that are linked together with cooperation chamber 3 that are provided with respectively of two sets of connecting pipes 10, and the outside that the inside both sides of connecting pipe 10 are located input channel 11 and output channel 12 is provided with spread groove 19, and the inboard fixed rubber circle that is provided with of spread groove 19, through setting up input channel 11 and output channel 12, and is convenient the utility model discloses be connected with external pipeline, set up spread groove 19, make external pipeline better closely with the cooperation of connecting pipe 10, effectually avoid leaking.
Secondly, the top of the screw rod 7 is located the fixed hand wheel 14 that is provided with in top of the valve gap 2, the top of the screw rod 7 is located the fixed stopper 15 that is provided with and hand wheel 14 matched with in hand wheel 14 top, the fixed plate 16 that is provided with in the outside of hand wheel 14 bottom, the fixed limiting plate 17 that is provided with in the outside of fixed plate 16 bottom extends to the valve gap 2 inside, and the inboard at valve gap 2 top is provided with the spacing groove with limiting plate 17 matched with, through setting up the hand wheel 14, conveniently rotate screw rod 7, set up stopper 15, make hand wheel 14 more stable in the pivoted, can not take.
Further, the outer side of 7 bottoms of screw rods and connecting rod 8 are connected with bearing 20 in the rotation, and the fixed baffle that is provided with bearing 20 matched with in the outside at 8 tops of connecting rod, 6 tops of cooperation piece are provided with arcwall face 18, and 18 tops of arcwall face are fixed and are provided with sealed the pad, valve gap 2 is inside to be located the screw rod 7 outside and be provided with spout 13 with first valve plate 9 matched with, and spout 13 cross-section is the rectangle, through setting up bearing 20, the effectual interference problem of having avoided between screw rod 7 and the first valve plate 9, set up arcwall face 18, make cooperation piece 6 closely cooperate with cooperation chamber 3, set up spout 13, when screw rod 7 drives connecting rod 8 and first valve plate 9 and rises, can not take place to interfere with between the valve gap.
Besides, through multiunit screw 21 threaded connection between valve gap 2 and the disk seat 1, and be provided with the packing ring between screw 21 and the valve gap 2, connect through setting up screw 21, convenient dismantlement, the installation is stable.
Example 2
Fig. 5 is a schematic structural diagram of the first valve plate in embodiment 2 of the present invention, and embodiment 2 is an alternative scheme based on embodiment 1, as shown in fig. 5, the annular groove 2201 is provided inside both sides of the first valve plate 9, the plurality of groups of fixing heads 2202 are uniformly and fixedly provided inside the annular groove 2201, and the fixing heads 2202 are all provided with the circular holes 2203 inside.
It is worth to say that, when the first valve plate 9 is closed, the side face of the first valve plate 9 needs to bear higher medium pressure, and the side face erosion of the first valve plate 9 is more serious, and the sliding groove 2201 and the fixed head 2202 are arranged to disperse the medium pressure to a certain extent, so that the erosion degree of the side face of the first valve plate 9 by the higher medium pressure is effectively reduced, and the operation is more convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A low-temperature gate valve with good sealing performance and easy cleaning is characterized by comprising a valve seat, a valve cover, a screw, a connecting rod, a first valve plate, a spring, a sliding chute, a matching groove and a matching block;
the bottom end in the valve seat is provided with a matching cavity, the center position of the top of the valve seat is provided with a valve cover matched with the valve seat, and the center position in the valve cover is provided with a screw rod;
a matching groove is formed in the center of the bottom end in the matching cavity, springs are fixedly arranged at two ends of the top of the matching groove, and a matching block is fixedly arranged at the top of each spring;
the screw rod bottom outside is rotated and is connected with the connecting rod, the connecting rod bottom is provided with and extends to the cooperation intracavity portion and with cooperation piece matched with first valve plate.
2. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: and connecting pipes are fixedly arranged on two sides of the valve seat, and an input channel and an output channel which are communicated with the matching cavity are respectively arranged in the two groups of connecting pipes.
3. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the bearing is rotatably connected between the outer side of the bottom of the screw rod and the connecting rod, and a baffle matched with the bearing is fixedly arranged on the outer side of the top of the connecting rod.
4. The low-temperature gate valve of claim 2, which has good sealing performance and is easy to clean, is characterized in that: the connecting groove is arranged on the outer sides of the input channel and the output channel on the two sides inside the connecting pipe, and a rubber ring is fixedly arranged on the inner side of the connecting groove.
5. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the top of the screw rod is positioned above the valve cover and is fixedly provided with a hand wheel, and the top of the screw rod is positioned above the hand wheel and is fixedly provided with a limiting block matched with the hand wheel.
6. The low-temperature gate valve of claim 5, which has good sealing performance and is easy to clean, is characterized in that: the fixed plate that is provided with in the outside of hand wheel bottom, the fixed limiting plate that extends to the valve gap inside that is provided with in the outside of fixed plate bottom, and the inboard at valve gap top is provided with the spacing groove with limiting plate matched with.
7. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the top of the matching block is provided with an arc-shaped surface, and the top of the arc-shaped surface is fixedly provided with a sealing gasket.
8. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the valve cover is internally provided with a sliding groove matched with the first valve plate on the outer side of the screw rod, and the cross section of the sliding groove is rectangular.
9. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the valve cover is in threaded connection with the valve seat through a plurality of groups of screws, and a gasket is arranged between the screws and the valve cover.
10. The low-temperature gate valve of claim 1, which has good sealing performance and is easy to clean, is characterized in that: the first valve plate both sides are inside to be provided with the ring channel, the ring channel is inside evenly to be fixed and is provided with the multiunit fixed head, fixed head inside all is provided with the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022156477.2U CN213512164U (en) | 2020-09-27 | 2020-09-27 | Low-temperature gate valve with good sealing performance and easy cleaning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022156477.2U CN213512164U (en) | 2020-09-27 | 2020-09-27 | Low-temperature gate valve with good sealing performance and easy cleaning |
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| Publication Number | Publication Date |
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| CN213512164U true CN213512164U (en) | 2021-06-22 |
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| CN202022156477.2U Active CN213512164U (en) | 2020-09-27 | 2020-09-27 | Low-temperature gate valve with good sealing performance and easy cleaning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593220A (en) * | 2022-02-18 | 2022-06-07 | 山东格瑞德活性炭有限公司 | Take graphite packing sealed push-pull valve structure |
-
2020
- 2020-09-27 CN CN202022156477.2U patent/CN213512164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593220A (en) * | 2022-02-18 | 2022-06-07 | 山东格瑞德活性炭有限公司 | Take graphite packing sealed push-pull valve structure |
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