CN201575179U - Gate valve - Google Patents
Gate valve Download PDFInfo
- Publication number
- CN201575179U CN201575179U CN2009203158153U CN200920315815U CN201575179U CN 201575179 U CN201575179 U CN 201575179U CN 2009203158153 U CN2009203158153 U CN 2009203158153U CN 200920315815 U CN200920315815 U CN 200920315815U CN 201575179 U CN201575179 U CN 201575179U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- conical
- working head
- spools
- 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.)
- Expired - Fee Related
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- Sliding Valves (AREA)
Abstract
The utility model discloses a gate valve, which comprises a valve body; sealing surfaces of an inlet and an outlet in the valve body are parallel smooth surfaces; a valve plug bracket is arranged between the sealing surfaces of the inlet and the outlet of the valve body; two symmetrical valve plugs are arranged in the valve plug bracket; a spring is connected between the two valve plugs; a sealing ring is arranged on one surface of each valve plug toward the corresponding sealing surface; conical slots are concentrically formed on the two valve plugs; a step-shaped valve slot is formed at one end of the slot toward the bottom of the valve plug bracket; a conical working head with a valve rod is arranged in the conical slot; one end of the conical working head toward the bottom of the valve plug bracket extends into the step-shaped valve slot; a mushroom-shaped raised head is mounted at the end of the conical working head; a valve cap is arranged on the valve body; a packing gland and a rotating mechanism are arranged in the valve cap; and the rotating mechanism is connected with the valve rod. The gate valve provided by the utility model has the advantages of simple structure, convenient operation and manufacture, good sealing effect and long service life, and achieves the opening and closing of the valve.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind of gate valve.
Background technique
Existing gate valve mostly adopts the foundry goods moulding, and the wedge-type structure is mostly adopted, machining more complicated, sealing surface required precision height, casting cost height in the sealing position; Can't repair after the wearing and tearing, can only change part or whole gate valve and change, working life is short, keeps in repair the user cost height, can not solve the problem of affinity between the sealing surface.
Summary of the invention
The purpose of this utility model provides a kind of gate valve, has solved the sealing position that exists in the prior art and has adopted the wedge-type structure, machining more complicated, the problem that working life is short.
The technological scheme that the utility model adopted is, a kind of gate valve, comprise valve body, import and export sealing surface in the valve body is set to the parallel light beam sliding surface, be provided with the spool support between the import and export sealing surface of valve body, be provided with two spools of symmetry in this spool support, be connected with spring between two spools, each spool also is provided with seal ring towards corresponding sealing surface one side, these two spools are provided with conical fluting with one heart, fluting is provided with the stepped shape valve pool towards spool frame bottom one end, the one circular cone working head that valve rod arranged is set in the conical fluting, this circular cone working head puts in the stepped shape valve pool towards an end of spool frame bottom, and the plush copper of mushroom-like is installed on this termination; Valve body is provided with valve gap, is provided with Gland and rotating mechanism in the valve gap, and rotating mechanism is connected with valve rod.
The beneficial effects of the utility model are, seal by adopting the parallel sealing face, and are simple in structure, easy to operate, are convenient to make good sealing effect, long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the side-looking structural representation of the utility model device.
Among the figure, 1. seal ring, 2. spool, 3. spool support, 4. valve body, 5. valve rod, 6. rotating mechanism, 7. valve gap, 8. Gland, 9. rotatory handling, 10. spring, 11. stepped shape valve pools, 12. plush coppers.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As Fig. 1, gate valve structure of the present utility model is, comprise valve body 4, the import and export sealing surface of fluid passage is set to the parallel light beam sliding surface in the valve body 4, constitute a Seal cage between the import and export sealing surface of valve body 4, be provided with spool support 3 between the import and export sealing surface of valve body 4, the width of spool support 3 is less than the distance of importing and exporting between the sealing surface, spool support 3 does not contact with importing and exporting between the sealing surface, be provided with two spools 2 that move horizontally of symmetry in this spool support 3, be connected with spring 10 between two spools 2, each spool 2 also is provided with seal ring 1 towards corresponding sealing surface one side, these two spools 2 are provided with conical fluting with one heart, fluting is provided with stepped shape valve pool 11 towards spool support 3 bottoms one end, the one circular cone working head that valve rod 5 arranged is set in the conical fluting, and the end of this circular cone working head towards spool support 3 bottoms puts in the stepped shape valve pool 11, and the plush copper 12 of mushroom-like is installed on this termination.
The circular cone working head of valve rod 5 matches with the taper shape of two spools 2 fluting, and motion is flexible, the control accuracy height.
With reference to Fig. 1, Fig. 2, valve body 4 is provided with valve gap 7, is provided with Gland 8 and rotating mechanism 6 in the valve gap 7, rotatory handling 9 is installed on the rotating mechanism 6, Gland 8 is used for sealed valve cap 7, and rotating mechanism 6 is connected with valve rod 5, is used to control moving up and down of valve rod 5.
During the work of the utility model device, operation rotating mechanism 6, valve rod 5 moves down, spring 10 entad spurs two spools 2 and makes 2 armfuls of spools on the circular cone working head of valve rod 5, seal ring 1 keeps certain spacing with the import and export sealing surface of valve body 4, the circular cone working head of valve rod 5 drives spool support 3 and moves down, when valve body 4 bottom interior wall are run in spool support 3 bottoms, spool support 3 stops to move down, valve rod 5 continues to move down, circular cone working head until valve rod 5 struts two spools 2, and the seal ring 1 of each spool 2 closely contacts with the import and export sealing surface of valve body 4, realizes closing of valve;
When valve rod 5 moves up, the circular cone working head of valve rod 5 two spools 2 that make progress, two spools 2 entad shrink under the effect of spring 10, seal ring 1 unclamps with the import and export sealing surface of valve body 4, valve rod 5 continues to rise, plush copper 12 is pushed up on the stepped shape valve pool 11, just can drive spool support 3 and two spools 2 wherein and move on together, realizes the unlatching of valve.
Main body part in the utility model device adopts titanium alloy material to make, the intensity height, corrosion resistance and good, component all adopt welding fabrication successively, and cost of production is low, and are with short production cycle, seal the position simultaneously and adopt telescopic symmetry plane sealing, good sealing effect significantly reduces the requirement of machining, solves the defective of titanium material affinity between the sealing surface.
Device of the present utility model, by adopting the parallel sealing face to seal, the circular cone working head of valve rod 5 matches with the conical fluting of two spools, spring matches with two spools, and the unlatching that has realized valve is with closed, simple in structure, easy to operate, be convenient to make good sealing effect, long service life.
Claims (1)
1. gate valve, it is characterized in that: comprise valve body (4), import and export sealing surface in the valve body (4) is set to the parallel light beam sliding surface, be provided with spool support (3) between the import and export sealing surface of valve body (4), be provided with two spools (2) of symmetry in this spool support (3), be connected with spring (10) between two spools (2), each spool (2) also is provided with seal ring (1) towards corresponding sealing surface one side, these two spools (2) are provided with conical fluting with one heart, fluting is provided with stepped shape valve pool (11) towards spool support (3) bottom one end, the one circular cone working head that valve rod (5) arranged is set in the conical fluting, this circular cone working head puts in the stepped shape valve pool (11) towards an end of spool support (3) bottom, and the plush copper (12) of mushroom-like is installed on this termination;
Valve body (4) is provided with valve gap (7), is provided with Gland (8) and rotating mechanism (6) in the valve gap (7), and rotating mechanism (6) is connected with valve rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203158153U CN201575179U (en) | 2009-11-25 | 2009-11-25 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203158153U CN201575179U (en) | 2009-11-25 | 2009-11-25 | Gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575179U true CN201575179U (en) | 2010-09-08 |
Family
ID=42695055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203158153U Expired - Fee Related CN201575179U (en) | 2009-11-25 | 2009-11-25 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252108A (en) * | 2011-07-15 | 2011-11-23 | 浙江盾安阀门有限公司 | Novel hard seal gate valve |
-
2009
- 2009-11-25 CN CN2009203158153U patent/CN201575179U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252108A (en) * | 2011-07-15 | 2011-11-23 | 浙江盾安阀门有限公司 | Novel hard seal gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20101125 |