CN105240557A - Parallel gate valve - Google Patents
Parallel gate valve Download PDFInfo
- Publication number
- CN105240557A CN105240557A CN201510814138.XA CN201510814138A CN105240557A CN 105240557 A CN105240557 A CN 105240557A CN 201510814138 A CN201510814138 A CN 201510814138A CN 105240557 A CN105240557 A CN 105240557A
- Authority
- CN
- China
- Prior art keywords
- flashboard
- valve
- gate
- frame
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a parallel gate valve. The gate valve comprises a valve body, a valve cover, a valve rod, a valve base and a gate component, wherein the gate component and the valve base fit to form a seal pair; the gate component comprises a gate frame; an inverted T-shaped groove is formed in the upper end of the gate frame; meanwhile, an inverted T-shaped mounting piece is arranged at the lower end of the valve rod; the mounting piece is corresponding to the inverted T-shaped groove on the gate frame; a left gate and a right gate are respectively mounted at the left and right ends of the gate frame; a spring is mounted between the left gate and the right gate; and the upper ends of the left gate and the right gate are fixed on the gate frame through a connecting plate. The parallel gate valve has the following advantages: the threaded connection between the valve rod and the gate frame is changed to the T-shaped groove connection, the left gate and the right gate are fixed on the gate frame through the connecting plate, and a movable connecting mode is adopted in the structure, so that the fixation is not needed, the installation and the disassembly are convenient, the centering requirement is low, and the machining precision and the perpendicularity requirement are correspondingly reduced.
Description
Technical field
The present invention relates to a kind of valve, particularly simple, the parallel slide valve that facilitates installing/dismounting of a kind of structure.
Background technique
Gate valve is one of the most frequently used block valve, is mainly used to the medium connected or block in pipeline, does not apply to regulate rate-of flow.The pressure used, temperature and diameter range are very large, in especially applying to, large diameter pipeline.The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and gate valve can only make standard-sized sheet and complete shut-down, can not make adjustments and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with valve parameter.
In traditional gate valve, what adopt for the installation between flashboard and flashboard frame is being connected of positioning rod and setting sleeve, and what adopt for the connection between valve rod with flashboard frame is the mode be threaded.In said structure, when carrying out installing or dismantling, need many people to coordinate just can complete, need to consume a large amount of manual labor, and also need to use multiple types of tools when assembling, in addition, flashboard and flashboard frame, connection between valve rod with flashboard frame are all needed to use the mode be threaded, therefore need good centering, high to the requirement of the precision of processing and perpendicularity, corresponding cost of production is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide the parallel slide valve that a kind of structure is simple, facilitate installing/dismounting.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of parallel slide valve, described gate valve comprises a valve body, have in the upper end of valve body one with it with the use of valve gap, the passage and one in described valve body with an appearance medium circulation holds the cavity of valve handle activity, described valve rod stretches in the cavity of valve body from top to bottom from the medium position of valve gap, a flashboard assembly is connected with in the lower end of valve rod, be provided with one at the two ends of flashboard assembly and be arranged on valve seat on valve body, and flashboard assembly and valve seat coordinate formation sealing pair jointly, its innovative point is:
Described flashboard assembly comprises a flashboard frame, has an inverted T shape groove in the upper end of flashboard frame, and the lower end of valve rod has the assembling set that is upside down t-shape simultaneously, and this assembling set is corresponding with the inverted T shape groove on flashboard frame;
The two ends, left and right of described flashboard frame are separately installed with left flashboard, right flashboard, between left flashboard and right flashboard, be provided with spring, and the upper end of described left flashboard and right flashboard is fixed on flashboard frame by connecting plate.
Further, described left flashboard, connection between right flashboard and connecting plate are specially: described connecting plate comprises a rectangular-shaped connecting plate main body, be disposed with from inside to outside at the two ends of connecting plate main body and protruding and spacing preiection are installed, the below being positioned at inverted T shape groove in the upper end of flashboard frame also have one with inverted T shape groove be connected and the connecting plate mounting groove corresponding with connecting plate main body, all have in left flashboard and the upper end of right flashboard one with protruding corresponding positioning groove is installed.
The invention has the advantages that: in the present invention, be connected by changing being threaded between valve rod with flashboard frame into T-slot, and left flashboard, right flashboard are fixed on flashboard frame by connecting plate, in said structure, all adopt the mode of flexible connection, without the need to fixing, easy installation and removal, therefore centering is less demanding, also reduces machining accuracy and perpendicularity requirement accordingly, saves production cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the schematic diagram of parallel slide valve of the present invention.
Fig. 2 is the schematic diagram of flashboard assembly in parallel slide valve of the present invention.
Fig. 3 is the schematic diagram of flashboard frame in parallel slide valve of the present invention.
Fig. 4 is the schematic diagram of flashboard in parallel slide valve of the present invention.
Fig. 5 is the schematic diagram of connecting plate in parallel slide valve of the present invention.
Fig. 6 is the schematic diagram of valve rod in parallel slide valve of the present invention.
Embodiment
The following examples can make the present invention of professional and technical personnel's comprehend, but therefore do not limit the present invention among described scope of embodiments.
A kind of parallel slide valve as shown in Figure 1, comprises a valve body 1, valve gap 2, valve rod 3, valve seat 4 and flashboard assembly.
Have in the upper end of valve body 1 one with it with the use of valve gap 2, there is the passage 5 of an appearance medium circulation and the cavity of appearance valve rod 3 activity in valve body 1, valve rod 3 stretches in the cavity of valve body 1 from top to bottom from the medium position of valve gap 2, a flashboard assembly is connected with in the lower end of valve rod 3, be provided with one at the two ends of flashboard assembly and be arranged on valve seat 4 on valve body 1, and the sealing surface of flashboard assembly coordinates formation sealing pair jointly with the sealing surface of valve seat 4.
Schematic diagram is as shown in Figure 2 known, flashboard assembly comprises a flashboard frame 6, there is in the upper end of flashboard frame 6 an inverted T shape groove 7, as shown in Figure 3, the lower end of valve rod 3 has the assembling set 8 that is upside down t-shape simultaneously, and as shown in Figure 6, and this assembling set 8 is corresponding with the inverted T shape groove 7 on flashboard frame 6, adding man-hour, can by the size of the dimensioned of inverted T shape groove 7 slightly larger than assembling set 8.
Be separately installed with left flashboard 11, right flashboard 10 at the two ends, left and right of flashboard frame 6, between left flashboard 11 and right flashboard 10, be provided with spring 9, left flashboard 11 is fixed on flashboard frame 6 by connecting plate 12 with the upper end of right flashboard 10.
Schematic diagram is as shown in Figure 5 known, connecting plate 12 comprises a rectangular-shaped connecting plate main body 13, be disposed with from inside to outside at the two ends of connecting plate main body 13 and protruding 14 and spacing preiection 15 are installed, and the width installing projection 14 is less than the width of spacing preiection 15, the below being positioned at inverted T shape groove 7 in the upper end of flashboard frame 6 also have one with inverted T shape groove 7 be connected and the connecting plate mounting groove 16 corresponding with connecting plate main body 13, a positioning groove 17 corresponding with installing projection 14 is all had in left flashboard 11 and the upper end of right flashboard 10, as shown in Figure 4, the width of positioning groove 17 is slightly larger than the width installing protruding 14, and be less than the width of spacing preiection 15.
When assembling, first, respectively left flashboard 11 is arranged on flashboard frame 6 with right flashboard 10, after installing, after connecting plate 12 being aimed at the connecting plate mounting groove 16 on flashboard frame 6, connecting plate 12 is embedded, while embedding, installation protruding 14 and spacing preiection 15 is utilized to carry out spacing to left flashboard 11 with right flashboard 10, thus left flashboard 11 is fixed on flashboard frame 6 with right flashboard 10, finally, the side of valve rod 3 from flashboard frame 6 is embedded, the clipping room 8 of valve rod 3 bottom is utilized to match with the inverted T shape groove 7 on flashboard frame 6, use the connection of valve rod 3 and flashboard frame 6, assembling completes, above-mentioned assembly process, a people is only needed to complete assembling, assembling just can be realized without the need to using any instrument, very convenient.
The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a parallel slide valve, described gate valve comprises a valve body, have in the upper end of valve body one with it with the use of valve gap, the passage and one in described valve body with an appearance medium circulation holds the cavity of valve handle activity, described valve rod stretches in the cavity of valve body from top to bottom from the medium position of valve gap, a flashboard assembly is connected with in the lower end of valve rod, be provided with one at the two ends of flashboard assembly and be arranged on valve seat on valve body, and flashboard assembly and valve seat coordinate formation sealing pair jointly, it is characterized in that:
Described flashboard assembly comprises a flashboard frame, has an inverted T shape groove in the upper end of flashboard frame, and the lower end of valve rod has the assembling set that is upside down t-shape simultaneously, and this assembling set is corresponding with the inverted T shape groove on flashboard frame;
The two ends, left and right of described flashboard frame are separately installed with left flashboard, right flashboard, between left flashboard and right flashboard, be provided with spring, and the upper end of described left flashboard and right flashboard is fixed on flashboard frame by connecting plate.
2. parallel slide valve according to claim 1, it is characterized in that: described left flashboard, connection between right flashboard and connecting plate are specially: described connecting plate comprises a rectangular-shaped connecting plate main body, be disposed with from inside to outside at the two ends of connecting plate main body and protruding and spacing preiection are installed, the below being positioned at inverted T shape groove in the upper end of flashboard frame also have one with inverted T shape groove be connected and the connecting plate mounting groove corresponding with connecting plate main body, all have in left flashboard and the upper end of right flashboard one with protruding corresponding positioning groove is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814138.XA CN105240557B (en) | 2015-11-23 | 2015-11-23 | A kind of parallel slide valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814138.XA CN105240557B (en) | 2015-11-23 | 2015-11-23 | A kind of parallel slide valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240557A true CN105240557A (en) | 2016-01-13 |
| CN105240557B CN105240557B (en) | 2018-12-04 |
Family
ID=55038324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814138.XA Active CN105240557B (en) | 2015-11-23 | 2015-11-23 | A kind of parallel slide valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240557B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673875A (en) * | 2016-03-29 | 2016-06-15 | 苏州纽威阀门股份有限公司 | Unfurled double-valve plate gate valve |
| WO2018076155A1 (en) * | 2016-10-25 | 2018-05-03 | 南通龙源电站阀门有限公司 | Parallel gate valve |
| CN109210223A (en) * | 2018-11-20 | 2019-01-15 | 南通龙源电站阀门有限公司 | A kind of novel double-gate plate gate valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100019184A1 (en) * | 2008-07-24 | 2010-01-28 | Honeywell International Inc. | Valve seal with integral flexure joints |
| CN203335900U (en) * | 2013-06-28 | 2013-12-11 | 温州蓝天管件阀门有限公司 | Stretching type double-flat-plate gate valve |
| CN204459231U (en) * | 2015-01-23 | 2015-07-08 | 南通市电站阀门有限公司 | A kind of compact-type built-in flashboard disconnecting prevention structure |
| CN204610916U (en) * | 2015-04-22 | 2015-09-02 | 上海沪工阀门厂(集团)有限公司 | A kind of Novel high-temperature high-pressure parallel double-flashboard gate valve |
| CN205226438U (en) * | 2015-11-23 | 2016-05-11 | 南通龙源电站阀门有限公司 | Parallel gate valve |
-
2015
- 2015-11-23 CN CN201510814138.XA patent/CN105240557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100019184A1 (en) * | 2008-07-24 | 2010-01-28 | Honeywell International Inc. | Valve seal with integral flexure joints |
| CN203335900U (en) * | 2013-06-28 | 2013-12-11 | 温州蓝天管件阀门有限公司 | Stretching type double-flat-plate gate valve |
| CN204459231U (en) * | 2015-01-23 | 2015-07-08 | 南通市电站阀门有限公司 | A kind of compact-type built-in flashboard disconnecting prevention structure |
| CN204610916U (en) * | 2015-04-22 | 2015-09-02 | 上海沪工阀门厂(集团)有限公司 | A kind of Novel high-temperature high-pressure parallel double-flashboard gate valve |
| CN205226438U (en) * | 2015-11-23 | 2016-05-11 | 南通龙源电站阀门有限公司 | Parallel gate valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673875A (en) * | 2016-03-29 | 2016-06-15 | 苏州纽威阀门股份有限公司 | Unfurled double-valve plate gate valve |
| WO2018076155A1 (en) * | 2016-10-25 | 2018-05-03 | 南通龙源电站阀门有限公司 | Parallel gate valve |
| CN109210223A (en) * | 2018-11-20 | 2019-01-15 | 南通龙源电站阀门有限公司 | A kind of novel double-gate plate gate valve |
| CN109210223B (en) * | 2018-11-20 | 2023-09-05 | 南通龙源电站阀门有限公司 | Novel double-flashboard gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240557B (en) | 2018-12-04 |
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