CN205207733U - Take parallel dual -gate valve in water conservancy diversion hole - Google Patents
Take parallel dual -gate valve in water conservancy diversion hole Download PDFInfo
- Publication number
- CN205207733U CN205207733U CN201521056656.1U CN201521056656U CN205207733U CN 205207733 U CN205207733 U CN 205207733U CN 201521056656 U CN201521056656 U CN 201521056656U CN 205207733 U CN205207733 U CN 205207733U
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- flashboard
- valve
- wedge
- pod apertures
- valve body
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Abstract
The utility model provides a take parallel dual -gate valve in water conservancy diversion hole, adds more than the width twice of growing to runner in the valve body through the flashboard length with present, then second section of flashboard be equipped with with the valve body in the water conservancy diversion hole that the width is the same of runner, make valve flashboard water conservancy diversion hole when the standard -sized sheet concentric with the valve body passageway, interior flow resistance coefficient and the loss of pressure of runner when reducing out the valve.
Description
Technical field
The utility model relates to valve field, is specifically related to a kind of band pod apertures parallel double-flashboard gate valve.
Background technique
Existing conventional parallel double-flashboard gate valve stays passage by structural limitations flashboard and spool internals in full-gear lower part cannot realize pigging, and the flashboard partly stayed in passage and mangetic core assembly produce drag effects flow CV value to the overcurrent of medium.Because valve body lumen place exists local out-of-flatness, MEDIA FLOW easily produces eddy current and causes flashboard spool and valve pipe to produce vibrations, affects life of valve and equipment and equipment safety when valve pocket.
Summary of the invention
In order to solve the deficiencies in the prior art, the one that provides of the present utility model is with pod apertures parallel double-flashboard gate valve.
The technical solution that the utility model adopts is: a kind of band pod apertures parallel double-flashboard gate valve, comprise valve body, valve rod, flashboard and handwheel, described valve body is provided with valve gap, described valve gap is bolted on valve body, described flashboard length is greater than more than the width twice of valve body inner flow passage, described flashboard is provided with the pod apertures identical with the width of valve body inner flow passage, described pod apertures is positioned at the lower semisection of flashboard, and described body base is also provided with the cavity that can hold pod apertures completely.
Be provided with wedge slot in described flashboard, be provided with wedge-shaped blocks in described wedge slot, be provided with balanced ball in described wedge-shaped blocks, described wedge slot upper end is also provided with the cushion stroke for valve rod lifting.
Described valve stem top is also provided with stem head, and described valve rod is connected with flashboard by stem head.
Described wedge-shaped blocks is divided into symmetrical left wedge-shaped blocks and right wedge-shaped blocks, and be provided with groove between described left wedge-shaped blocks and right wedge-shaped blocks, described balanced ball is positioned at groove.
Described valve gap top and valve rod joint be also provided with packing cavity, be provided with filler in described packing cavity, described packing cavity is also provided with Gland, described Gland is bolted on valve gap.
The beneficial effects of the utility model are: the utility model provides a kind of band pod apertures parallel double-flashboard gate valve, by by more than existing flashboard extended length to the width twice of valve body inner flow passage, then the pod apertures identical with the width of valve body inner flow passage is provided with at the lower semisection of flashboard, make valve flashboard pod apertures when standard-sized sheet concentric with valve channel, flow resistance coefficient during reduction valve opening in runner and the pressure loss.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
1-valve body in figure, 2-valve rod, 3-flashboard, 4-handwheel, 5-valve gap, 6-Gland, 21-stem head, 31-pod apertures, 32-cavity, 33-wedge-shaped blocks, 34-balanced ball, 35-cushion stroke, 51-packing cavity.
Embodiment
Existing composition graphs 1 pair of the utility model is further described, a kind of band pod apertures parallel double-flashboard gate valve, comprise valve body 1, valve rod 2, flashboard 3 and handwheel 4, described valve body 1 is provided with valve gap 5, described valve gap 5 is bolted on valve body 1, described valve rod 2 top is also provided with stem head 21, and described valve rod 2 is connected with flashboard 3 by stem head 21.Described flashboard 3 length is greater than more than the width twice of valve body 1 inner flow passage, described flashboard 3 is provided with the pod apertures 31 identical with the width of valve body 1 inner flow passage, described pod apertures 31 is positioned at the lower semisection of flashboard 3, is also provided with the cavity 32 that can hold pod apertures 31 completely bottom described valve body 1.The utility model passes through more than existing flashboard 3 extended length to the width twice of valve body 1 inner flow passage, then the pod apertures 31 identical with the width of valve body 1 inner flow passage is provided with at the lower semisection of flashboard 3, make valve flashboard pod apertures 31 when standard-sized sheet concentric with valve body 1 passage, flow resistance coefficient during reduction valve opening in runner and the pressure loss.
Be provided with wedge slot in described flashboard 3, be provided with wedge-shaped blocks 33 in described wedge slot, be provided with balanced ball 34 in described wedge-shaped blocks 33, described wedge slot upper end is also provided with the cushion stroke 35 be elevated for valve rod 2.Described wedge-shaped blocks 33 is divided into symmetrical left wedge-shaped blocks and right wedge-shaped blocks, is provided with groove between described left wedge-shaped blocks and right wedge-shaped blocks, and described balanced ball 34 is positioned at groove.Adopt bracing type structural design, bidirectional metal forced seal.Flashboard pod apertures structure valve pocket when valve wide open is equal to pipeline, and flow resistance coefficient is little of the pressure loss.Gradient between wedge-shaped blocks and flashboard makes flashboard draw rapidly disengaging valve body sealing surface in valve opening moment, and in valve opening process, flashboard and sealing surface of seat are without hard friction, working life.Actuator's running drives Stem Mut and wedge-shaped blocks to move downward, and flashboard is pressed to valve seat by the power making flashboard produce two substantially horizontals by the inclined-plane of wedge-shaped blocks and flashboard, reaches the two-way forced seal of inlet/outlet.It is equal that the setting of equilibrium block makes valve rod be delivered to the power of each flashboard.
Described valve gap 5 top and valve rod 2 joint be also provided with packing cavity 51, be provided with filler in described packing cavity 51, described packing cavity 51 is also provided with Gland 6, described Gland 6 is bolted on valve gap 5.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a band pod apertures parallel double-flashboard gate valve, comprise valve body (1), valve rod (2), flashboard (3) and handwheel (4), described valve body (1) is provided with valve gap (5), described valve gap (5) is bolted on valve body (1), it is characterized in that, described flashboard (3) length is greater than more than the width twice of valve body (1) inner flow passage, described flashboard (3) is provided with the pod apertures (31) identical with the width of valve body (1) inner flow passage, described pod apertures (31) is positioned at the lower semisection of flashboard (3), described valve body (1) bottom is also provided with the cavity (32) that can hold pod apertures (31) completely.
2. one band pod apertures parallel double-flashboard gate valve according to claim 1, it is characterized in that, wedge slot is provided with in described flashboard (3), wedge-shaped blocks (33) is provided with in described wedge slot, be provided with balanced ball (34) in described wedge-shaped blocks (33), described wedge slot upper end is also provided with the cushion stroke (35) be elevated for valve rod (2).
3. one band pod apertures parallel double-flashboard gate valve according to claim 1, it is characterized in that, described valve rod (2) top is also provided with stem head (21), and described valve rod (2) is connected with flashboard (3) by stem head (21).
4. one band pod apertures parallel double-flashboard gate valve according to claim 2, it is characterized in that, described wedge-shaped blocks (33) is divided into symmetrical left wedge-shaped blocks and right wedge-shaped blocks, is provided with groove between described left wedge-shaped blocks and right wedge-shaped blocks, and described balanced ball (34) is positioned at groove.
5. one band pod apertures parallel double-flashboard gate valve according to claim 1, it is characterized in that, described valve gap (5) top and the joint of valve rod (2) are also provided with packing cavity (51), filler is provided with in described packing cavity (51), described packing cavity (51) is also provided with Gland (6), and described Gland (6) is bolted on valve gap (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056656.1U CN205207733U (en) | 2015-12-17 | 2015-12-17 | Take parallel dual -gate valve in water conservancy diversion hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056656.1U CN205207733U (en) | 2015-12-17 | 2015-12-17 | Take parallel dual -gate valve in water conservancy diversion hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207733U true CN205207733U (en) | 2016-05-04 |
Family
ID=55845451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521056656.1U Active CN205207733U (en) | 2015-12-17 | 2015-12-17 | Take parallel dual -gate valve in water conservancy diversion hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034599A1 (en) * | 2018-08-16 | 2020-02-20 | 北京航天动力研究所 | Double-disc gate valve and use |
-
2015
- 2015-12-17 CN CN201521056656.1U patent/CN205207733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034599A1 (en) * | 2018-08-16 | 2020-02-20 | 北京航天动力研究所 | Double-disc gate valve and use |
| US11131395B2 (en) | 2018-08-16 | 2021-09-28 | Beijing Aerospace Propulsion Institute | Double-plate gate valve and use of the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |