CN203948758U - A kind of modified model self-sealing stop valve - Google Patents
A kind of modified model self-sealing stop valve Download PDFInfo
- Publication number
- CN203948758U CN203948758U CN201420388749.3U CN201420388749U CN203948758U CN 203948758 U CN203948758 U CN 203948758U CN 201420388749 U CN201420388749 U CN 201420388749U CN 203948758 U CN203948758 U CN 203948758U
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- valve
- direction board
- seal ring
- handwheel
- pointer
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- Expired - Fee Related
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Abstract
A kind of modified model self-sealing stop valve, contain valve body, Stuffing box, seal ring, valve mother, handwheel, valve rod, direction board, pointer, support, carbon seal ring, handwheel adopts shock form handwheel, the keying position indicator increasing is made up of direction board and pointer, direction board is designed to a right angle, the horizontal plane of direction board is fixedly mounted on handwheel below, on the vertical surface of direction board, be carved with numerical value, pointer is arranged on the top of support, its one end is fixed on the female place of valve, the vertical surface of the other end sensing direction board is also extremely close, at support, Stuffing box is connected formed space with valve body three and is provided with seal ring, below seal ring, being provided with carbon seal ring fills, form a kind of modified model self-sealing stop valve.Operation is simple and reliable, safe and efficient, and leak resistance improves greatly, extended the working life of valve, improved working efficiency and saved the energy.
Description
Technical field
The utility model relates to valve class field of mechanical technique, and particularly a kind of modified model self-sealing stop valve, in the horizontal installation pipeline applicable to various operating modes such as oil, chemical industry, pharmacy, power industries.
Background technique
Along with country accelerates to revitalize equipment manufacture policy iterative method, the manufacturing development of general basic will further obtain emphasis support, and " scientific and technical innovation, autonomous innovation " become the main flow of current domestic industry development.The use valve rich anies influential family such as China's petrochemical industry, power department, metallurgical department, chemical industry and urban construction grow with each passing day to the demand of valve products, the especially demand of high performance valve product.In infrastructure, carry the normal pipeline transport that adopts for fluid, valve is controlling component wherein, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief, plays indispensable effect.Stop valve, is also pipe valve valve, is unlatching closure and the throttling that plays control media in fluid piping system, is now commonly used.Common stop valve has the part such as valve body, valve gap, valve rod, flap, handwheel to form, and its closed principle is, the method flap that opens and closes valve port be riveted on valve rod, control the keying of valve port or regulate valve port opening size to reach throttling object with the lifting of valve rod.On November 17th, 2011, Yancheng Si Dade financial resources of the people valve Co., Ltd applied for that to Patent Office of State Intellectual Property Office utility model patent " a kind of self-sealing stop valve " patent No. is 201120457300.4.But along with long use, some deficiency slowly shows, such as: 1. conventionally the flap of stop valve is line with valve port and contacts, after long keying, easily cause loosening, valve rod and handwheel are to be directly rigidly connected, closure or openness valve be need to be larger strength could rotate handwheel, operation be not very convenient; 2. the height of valve opening is wayward; 3. lumen is sometimes revealed and be can't see, and makes a very bad impression.In order to address the above problem, constantly research and discovery of the technician of R&D institution and enterprise, wishes to overcome the defect that prior art exists, although make some progress technically, still exists the technical problem not yet overcoming in practice.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, and a kind of modified model self-sealing stop valve is provided, and adopts shock form handwheel, simple to operate laborsaving, makes sealing simpler and easy, reaches the effect of getting twice the result with half the effort.Simultaneously also increased on this basis keying position indicator, the operation that makes to control Lift is visual, and simple and clearization of process, returns the use of valve and set up safety guarantee one.Reveal for lumen, adopt the method that increases carbon seal ring under the seal ring of valve gap and the setting of valve body joint to strengthen lumen sealability, make it not reveal easily, enhance productivity, saved the energy.
The utility model solves the technological scheme that its technical problem adopts: contain valve body, Stuffing box, seal ring, valve mother, handwheel, valve rod, direction board, pointer, support, carbon seal ring, handwheel adopts shock form handwheel, the keying position indicator increasing is made up of direction board and pointer, direction board is designed to a right angle, the horizontal plane of direction board is fixedly mounted on handwheel below, on the vertical surface of direction board, be carved with numerical value, pointer is arranged on the top of support, its one end is fixed on the female place of valve, the vertical surface of the other end sensing direction board is also extremely close, at support, Stuffing box is connected formed space with valve body three and is provided with seal ring, below seal ring, being provided with carbon seal ring fills, form a kind of modified model self-sealing stop valve.
The know-why that the utility model adopts is: in conjunction with power and Principle of Mechanical Designing, in existing self-sealing stop valve structure, improves innovation, makes that operation is simple and reliable, and safe and efficient.Handwheel is adopted to shock form handwheel, so-called shock refers to that while rotating handwheel, handwheel has the idle stroke of a section, make like this rotational velocity of handwheel accelerate, rotary inertia increases, in the time that the card lobe on handwheel contacts with the card lobe of valve rod, can produce larger impact force, increase valve opening force, laborsaving saving time, operation is simple and reliable.The height of considering Open valve is difficult to control, so fixedly mount direction board on the valve rod of handwheel downside, under valve mother, pointer is installed, in the time of rotation hand wheel Open valve, direction board is along with valve rod rises, because pointer is fixed motionless, so the relative pointer of direction board is moved, can cause pointer and point to numerical value difference corresponding on direction board, so just can control well the height of unlatching, very clear for operator, safe and reliable also convenient.While leakage due to lumen, can't see, strengthen lumen sealability so set up again carbon seal ring on original sealing basis, then coordinate make regular check on, with the loss that prevents that causing of severe event is unnecessary.
The beneficial effects of the utility model are: this modified model self-sealing stop valve is simple and reasonable, operates light.Adopt Impact handwheel to reach the object of saving human resources.Employing refers to open and close position indicator, has improved working efficiency and margin of safety.The increase of carbon seal ring, improves leak resistance greatly, extends the working life of valve.
Brief description of the drawings
In conjunction with the accompanying drawings and embodiments the utility model to be further described below:
Figure is a kind of partial structurtes view of modified model self-sealing stop valve.
In the drawings: 1. valve body, 2. Stuffing box, 3. seal ring, 4. valve mother, 5. handwheel, 6. valve rod, 7. direction board, 8. pointer, 9. support, 10. carbon seal ring.
Embodiment
In the drawings, handwheel 5 adopts shock form handwheel 5, the keying position indicator increasing is made up of direction board 7 and pointer 8, direction board 7 is designed to a right angle, the horizontal plane of direction board 7 is fixedly mounted on handwheel 5 belows, on the vertical surface of direction board 7, be carved with numerical value, pointer 8 is arranged on the top of support 9, be connected formed space at support 9, Stuffing box 2 with valve body 1 three and be provided with seal ring 3, below seal ring 3, be provided with carbon seal ring 10 and fill, form a kind of modified model self-sealing stop valve.
In conjunction with power and Principle of Mechanical Designing, in existing self-sealing stop valve structure, improve innovation, make that operation is simple and reliable, safe and efficient.Handwheel 5 is adopted to shock form handwheel 5, so-called shock refers to that while rotating handwheel 5, handwheel 5 has the idle stroke of a section, make like this rotational velocity of handwheel 5 accelerate, rotary inertia increases, in the time that the card lobe on handwheel 5 contacts with the card lobe of valve rod 2, can produce larger impact force, increase valve opening force, laborsaving saving time, operation is simple and reliable.Consider while opening the contact of card lobe, can produce larger impact force, increased valve opening force, laborsaving saving time, operation is simple and reliable.The height of considering Open valve is difficult to control, so fixedly mount direction board 7 on the valve rod 2 of handwheel 5 downsides, at the female 4 times installation pointers 8 of valve, in the time of rotation hand wheel 5 Open valve, direction board 7 is along with valve rod 2 rises, because pointer 8 is fixed motionless, so the relative pointer 8 of direction board 7 is moved, can cause pointer 8 corresponding numerical value difference on the direction board that points to 7, so just can control well the height of unlatching, very clear for operator, safe and reliable also convenient.While leakage due to lumen, can't see, strengthen lumen sealability so set up again carbon seal ring 10 on original seal ring 3 bases, then coordinate make regular check on, with the loss that prevents that causing of severe event is unnecessary.Above improvement, has reduced operator's operating force, has shortened the process of Open valve, saves time and laborsaving, has also realized the excellent sealing of lumen, has extended the life-span of valve, has improved manufacturing efficiency, has saved the energy.
Claims (1)
1. a modified model self-sealing stop valve, comprise valve body, Stuffing box, seal ring, valve mother, handwheel, valve rod, direction board, pointer, support, carbon seal ring, it is characterized in that: handwheel adopts shock form handwheel, the keying position indicator increasing is made up of direction board and pointer, direction board is designed to a right angle, the horizontal plane of direction board is fixedly mounted on handwheel below, on the vertical surface of direction board, be carved with numerical value, pointer is arranged on the top of support, at support, Stuffing box is connected formed space with valve body three and is provided with seal ring, below seal ring, being provided with carbon seal ring fills, form a kind of modified model self-sealing stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388749.3U CN203948758U (en) | 2014-07-15 | 2014-07-15 | A kind of modified model self-sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388749.3U CN203948758U (en) | 2014-07-15 | 2014-07-15 | A kind of modified model self-sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948758U true CN203948758U (en) | 2014-11-19 |
Family
ID=51890794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388749.3U Expired - Fee Related CN203948758U (en) | 2014-07-15 | 2014-07-15 | A kind of modified model self-sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948758U (en) |
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2014
- 2014-07-15 CN CN201420388749.3U patent/CN203948758U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20190715 |