CN203272988U - Novel valve rod positioning ring - Google Patents
Novel valve rod positioning ring Download PDFInfo
- Publication number
- CN203272988U CN203272988U CN 201320236437 CN201320236437U CN203272988U CN 203272988 U CN203272988 U CN 203272988U CN 201320236437 CN201320236437 CN 201320236437 CN 201320236437 U CN201320236437 U CN 201320236437U CN 203272988 U CN203272988 U CN 203272988U
- Authority
- CN
- China
- Prior art keywords
- metal ring
- ring body
- valve rod
- positioning ring
- face
- 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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Abstract
The utility model relates to a positioning structure of a valve rod of a valve, and belongs to the field of valves. A novel valve rod positioning ring is characterized by comprising an upper metal ring body and a lower metal ring body. A through hole is formed between the upper metal ring body and the lower metal ring body. The upper metal ring body and the lower metal ring body are coaxially arranged. A valve rod penetrates through the middle through hole to be sleeved with the positioning ring. Each metal ring body comprises a positioning end face and a connected middle section, wherein a groove is formed in the middle of the positioning end face of each metal ring body outside the through hole and is matched with a protruding point or a protruding ridge on the valve rod. The other end of the middle section of one metal ring body is clamping teeth meshed with the other metal ring body in a staggered mode. According to the novel valve rod positioning ring, the upper metal ring body and the lower metal ring body are utilized for being directly sleeved with the valve rod, the upper metal ring body and the lower metal ring body cannot disengage or be separated from the valve rod even when the valve rod swings due to stress, the installing process is convenient, the regular polygon match is utilized by clamping, the valve rod cannot sway, and the cooperation is very close.
Description
Technical field
The utility model relates to valve rod, relates in particular to a kind of novel valve stem positioning ring.
Background technique
Valve rod is one of accessory of valve.The valve rod Main Function is for transmission, connects actuator or handwheel on valve rod, below directly the band movable valve plug move or rotate, realize valve open or closed.
The appearance of the spring support seal gate valve of flashboard kiss-coating has been overcome general Gate-valve sealing bad, the defective such as get rusty, the spring support seal gate valve utilizes Flexible disc to produce micro-compensate method of elastic deformation effect can realize good sealing effect, and has that switch is light and handy, sealing is reliable, elastic memory is good and the remarkable advantage such as long service life.Can be used as cut-off device is widely used on the pipelines such as tap water, sewage, building, oil, chemical industry, food, medicine, light textile, electric power, boats and ships, metallurgy, energy system.
But because or wearing and tearing using process improper in processing can cause the valve rod out of plumb, the out of plumb of valve rod can cause valve plate the swing situation to occur in the decline process, this will cause gate valve the gapped situation in bottom to occur when closing, the dead and seepage that cause of sealing appears in valve after closing can force the operator to rotate handwheel to rely on the shape of body cavity that the valve plate amount of deformation is strengthened with throttle down again, so not only strengthened the moment of torsion of valve but also the sealing surface of the valve plate that weares and teares, the working life of having reduced valve.
It is by fixedly valve rod of positioning ring is installed that common valve rod is located, but existing valve rod positioning ring normally adopts the left and right two halves to split ring body to be formed, therefore stressed rear easily loose, although can play certain location and the fixing function of valve rod, but stressed larger time location just easily is offset, thereby the gap occurs.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of novel valve stem positioning ring, and solving present positioning ring can't be in the stressed location that guarantees valve rod when larger and fixing, thereby makes valve the gap occur when closing, and valve can't complete hermetic defective.
Technological scheme
A kind of novel valve stem positioning ring, it is characterized in that: comprise two the metal ring bodies in up and down, be through hole in the middle of the metal ring body of two of described up and down, and be coaxial setting, valve rod passes intermediate throughholes and positioning ring is set in together, described metal ring body comprises that the location end face is connected intermediate section with connection, the centre of the location end face of described metal ring body is outside equipped with groove at through hole, be complementary with salient point or fin on valve rod, the other end of the intermediate section of described metal ring body is the latch with the staggered interlock of another metal ring body.
The groove that the centre of the location end face of described metal ring body arranges outside through hole is regular polygon, is complementary with the fin of outwardly regular polygon on valve rod.
Described regular polygon is octagon.
The latch of described intermediate section is four interlaced linking fixing columns in up and down that arrange up or down.
The diameter of described location end face is greater than the diameter of intermediate section.
Beneficial effect
Novel valve stem positioning ring of the present utility model adopts the metal ring body of up and down, directly be set in together with valve rod, not can because of the stressed swing of valve rod with valve rod loose or deviation position, and easy for installation, the coupling of regular polygon is adopted in screens, also can not produce and rock, and is very tight; And, adopt up and down the metal ring body of interlock mutually, the bearing up-down force of valve rod is impacted also to have producing certain bearing strength, and certain interval is arranged, can make valve rod keep sealing state.
Description of drawings
Fig. 1 is the utility model schematic top plan view.
Fig. 2 is that the utility model master looks schematic diagram.
Fig. 3 is the utility model schematic perspective view
Fig. 4 is upper metal ring body schematic perspective view in Fig. 3.
Wherein: the upper metal ring body of 1-, metal ring body under 2-, the 3-through hole, 4-locates end face, 5-intermediate section, 6-groove, 7-latch.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.
Gate valve generally is comprised of standard piece such as valve body, valve plate, transmission nut, valve rod, O shape circle, middle mouth sealing gasket, dust ring, driving handwheels, and its concrete structure and prior art are similar, no longer launch to give unnecessary details at this.Because the valve rod of inside screw non-rising stem type gate valve will rotate to promote or fall flashboard, swing no longer easily in order to make valve rod, so will effectively locate valve rod.
The utility model proposes a kind of novel valve stem positioning ring, comprise two the metal ring bodies in up and down, be through hole in the middle of the metal ring body of two of described up and down, and be coaxial setting, valve rod passes intermediate throughholes and positioning ring is set in together, described metal ring body comprises that the location end face is connected intermediate section with connection, the centre of the location end face of described metal ring body is outside equipped with groove at through hole, be complementary with salient point or fin on valve rod, the other end of the intermediate section of described metal ring body is the latch with the staggered interlock of another metal ring body.
The groove that the centre of the location end face of described metal ring body arranges outside through hole is regular polygon, is complementary with the fin of outwardly regular polygon on valve rod.
So, adopt the metal ring body of up and down, directly be set in together with valve rod, can never because of the stressed swing of valve rod with valve rod loose or deviation position, and easy for installation, the coupling of regular polygon is adopted in screens, also can not produce and rock, can be very tight.And, adopt up and down the metal ring body of interlock mutually, the bearing up-down force of valve rod is impacted also to have producing certain bearing strength, and certain interval is arranged, can make valve rod keep sealing state.
Described regular polygon adopts symmetrical polygonal, and as adopting the symmetric shapes such as octagon or regular hexagon, the diameter of described location end face is greater than the diameter of intermediate section.So, when the valve rod pressurized, pressure conduction is to the location section of positioning ring the time, because surface of contact is regular polygon, therefore locate end face stressed evenly and the diameter of location end face is greater than the diameter of intermediate section, locating pressure that end face is subject to, that positioning ring is connected with valve rod is tightr, more firm, thus make the valve rod locating effect better.
Described latch is four interlaced linking fixing columns in up and down that arrange up or down, is supporting the metal ring body as four pin, and tightly interlock is arranged when stressed.
Scheme of the present utility model has changed the loose structure of existing positioning ring, it is connected tightr with valve rod, and it is more accurate to locate, and fixing more firm.
Valve rod adopts stainless steel, and positioning ring adopts the Casting aluminium brass material, can prevent that like this valve rod and positioning ring from producing bonding, and Casting aluminium brass belongs to again wear-resistant material simultaneously, can increase the working life of rod positioning device, reduces user cost, improves the quality of products.
Claims (5)
1. novel valve stem positioning ring, it is characterized in that: comprise two the metal ring bodies in up and down, be through hole in the middle of the metal ring body of two of described up and down, and be coaxial setting, valve rod passes intermediate throughholes and positioning ring is set in together, described metal ring body comprises that the location end face is connected intermediate section with connection, the centre of the location end face of described metal ring body is outside equipped with groove at through hole, be complementary with salient point or fin on valve rod, the other end of the intermediate section of described metal ring body is the latch with the staggered interlock of another metal ring body.
2. novel valve stem positioning ring as claimed in claim 1, it is characterized in that: the groove that the centre of the location end face of described metal ring body arranges outside through hole is regular polygon, is complementary with the fin of outwardly regular polygon on valve rod.
3. novel valve stem positioning ring as claimed in claim 2, it is characterized in that: described regular polygon is octagon.
4. novel valve stem positioning ring as claimed in claim 1 is characterized in that: the latch of described intermediate section is four interlaced linking fixing columns in up and down that arrange up or down.
5. novel valve stem positioning ring as claimed in claim 1, it is characterized in that: the diameter of described location end face is greater than the diameter of intermediate section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320236437 CN203272988U (en) | 2013-05-03 | 2013-05-03 | Novel valve rod positioning ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320236437 CN203272988U (en) | 2013-05-03 | 2013-05-03 | Novel valve rod positioning ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272988U true CN203272988U (en) | 2013-11-06 |
Family
ID=49503400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320236437 Expired - Fee Related CN203272988U (en) | 2013-05-03 | 2013-05-03 | Novel valve rod positioning ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894346A (en) * | 2019-03-15 | 2019-06-18 | 安徽华星选矿科技有限公司 | A kind of sine roller picker screen axis, screen axis cooling device and its bearing lubrication hydraulic fluid port |
| CN111765294A (en) * | 2020-05-22 | 2020-10-13 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
-
2013
- 2013-05-03 CN CN 201320236437 patent/CN203272988U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894346A (en) * | 2019-03-15 | 2019-06-18 | 安徽华星选矿科技有限公司 | A kind of sine roller picker screen axis, screen axis cooling device and its bearing lubrication hydraulic fluid port |
| CN111765294A (en) * | 2020-05-22 | 2020-10-13 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
| CN111765294B (en) * | 2020-05-22 | 2021-11-19 | 横店集团东磁股份有限公司 | Tap suitable for water purifier |
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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: 20131106 Termination date: 20140503 |