CN208619725U - A kind of good middle screw thread valve of sealing effect - Google Patents
A kind of good middle screw thread valve of sealing effect Download PDFInfo
- Publication number
- CN208619725U CN208619725U CN201821367371.3U CN201821367371U CN208619725U CN 208619725 U CN208619725 U CN 208619725U CN 201821367371 U CN201821367371 U CN 201821367371U CN 208619725 U CN208619725 U CN 208619725U
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- Prior art keywords
- valve
- screw thread
- middle screw
- sealing effect
- handwheel
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- 238000007789 sealing Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
Originally practical to disclose a kind of good middle screw thread valve of sealing effect, including device noumenon, described device ontology includes middle screw thread valve, bushing is fixedly installed at the top of the middle screw thread valve, the bush inside two sides are provided with check-valves, the middle threaded valve door valve inner middle section two sides are fixedly installed with fixed bracket, two fixed frame bottoms are provided with buffer stopper, the buffer stopper is located at the middle threaded valve door valve inner center bottom, flashboard is provided between two fixed brackets, threaded hole is provided at the top of the flashboard, this practical valve deck long service life, if damage, only need to change stuffing-box, it improves the service life of device and facilitates the unit replacement of device, the present apparatus is provided with buffer stopper, check-valves and spill plate, easily facilitate the dredging of pipeline, prevent device Blocking, easily facilitate use.
Description
Technical field
Originally practical to be related to a kind of valving, the good middle screw thread valve of specially a kind of sealing effect belongs to valve gate technology
Field.
Background technique
Valve is the pipeline fittings for being opened and closed pipeline, control flow direction, the parameter of regulation and control pumped (conveying) medium, according to it
Function can be divided into shut-off valve, check-valves, regulating valve etc., and valve is the control unit in fluid delivery system, have cut-off, adjust
Section, prevents the functions such as adverse current, pressure stabilizing, shunting or overflow pressure relief at water conservancy diversion, for the valve of fluid control systems, from simplest
Various valves used in shut-off valve to extremely complex robot control system(RCS), kind and specification are quite various, and valve can be used for controlling
Make the various types fluids such as empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium
Flowing, valve are also divided into cast iron valve according to material, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve,
Dual phase steel valve, Plastic valve, nonstandard customized valve etc. have internal screw thread screw thread or external screw thread screw thread on screw thread valve,
With pipeline thread screwed connection, can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and
The flowing of the various types fluid such as radiating medium, traditional middle screw thread valve internal and extraneous closure are poor, therefore shadow
The normal use efficiency of valve is rung, traditional middle screw thread valve interior metal component is easy to be corroded, and component is be easy to cause to damage
It is bad, the use of device is influenced, traditional middle screw thread valve be easy to cause line clogging, so that device is made not to be available use, because
This provides a kind of sealing effect good middle screw thread valve.
Practical content
This practical technical problems to be solved is to overcome the deficiencies of existing technologies, and provides a kind of middle screw thread that sealing effect is good
Valve.
In order to solve the above-mentioned technical problem, originally practical to provide the following technical solution:
A kind of good middle screw thread valve of this practical sealing effect, including device noumenon, described device ontology include middle screw thread
Valve, the middle screw thread valve top are fixedly installed with bushing, and the bush inside two sides are provided with check-valves,
The middle threaded valve door valve inner middle section two sides are fixedly installed with fixed bracket, and two fixed frame bottoms are set
It is equipped with buffer stopper, the buffer stopper is located at the middle threaded valve door valve inner center bottom, between two fixed brackets
It is provided with flashboard, is provided with threaded hole at the top of the flashboard, the flashboard is threaded with valve rod, the valve rod by threaded hole
Top passes through spill plate, holding clamp, valve deck, stuffing-box, gland and handwheel gasket and is fixedly connected with hand wheel nut, described
Handwheel is fixedly installed at the top of handwheel gasket, the hand wheel nut is located at the inside of the handwheel, fixed peace at the top of the valve deck
Equipped with the stuffing-box, it is provided with the gland at the top of the stuffing-box, between the stuffing-box and the gland
It is provided with filler graphite.
A kind of optimal technical scheme practical as this, the check-valves are located at the bottom of spill plate, and holding clamp is located at
The top of spill plate, bushing top are connected with valve deck, and spill plate and holding clamp are respectively positioned on the inside of bushing.
A kind of optimal technical scheme practical as this, the stuffing-box and gland are respectively positioned on the bottom of handwheel gasket
Portion.
As a kind of originally practical optimal technical scheme, sealing is provided on the inner sidewall of the middle screw thread valve
Circle, sealing ring are made of abrasive rubber material, and the inner surface of middle screw thread valve is fixed on Embedded method.
A kind of optimal technical scheme practical as this, the flashboard are made of the cemented carbide material of different hardness,
Surface is set as honeycomb.
A kind of optimal technical scheme practical as this, is sealed between the bushing and valve deck using O-ring.
This practical beneficial effect achieved is: this is practical by being provided with middle screw thread valve and valve deck, the two it
Between using O-ring seal, improve the sealing performance of device, between valve deck and valve rod be arranged stuffing-box, gland so that
It is static seal between valve deck and stuffing-box, dynamic sealing is used between valve rod and stuffing-box, using filler graphite as sealed material,
Reduce frictional force, good airproof performance, valve deck long service life, if damage, only needs to change stuffing-box, improve making for device
With service life and the unit replacement for facilitating device, the present apparatus is provided with buffer stopper, check-valves and spill plate, easily facilitates pipeline
Dredging, it is therefore prevented that the blocking of device easily facilitates use.
Detailed description of the invention
Attached drawing is used to provide to be further understood to originally practical, and constitutes part of specification, practical reality with this
It applies example and is used to explain together practical, do not constitute a limitation practical to this.In the accompanying drawings:
Fig. 1 is this practical overall structure diagram；
Fig. 2 is this practical overall structure side view；
Fig. 3 is this practical flashboard and stem connection structure schematic diagram.
In figure: 1, device noumenon；2, middle screw thread valve；3, buffer stopper；4, fixed bracket；5, flashboard；6, valve rod；7,
Bushing；8, check-valves；9, spill plate；10, holding clamp；11, valve deck；12, stuffing-box；13, gland；14, filler graphite；
15, handwheel gasket；16, handwheel；17, hand wheel nut.
Specific embodiment
It is clearly and completely described below in conjunction with the attached drawing technical solution practical to this.In this practical description,
It should be noted that the side of the instructions such as term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing originally practical and simplify description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as the limitation practical to this.In addition, term " first ", " second ", " third " are used for description purposes only, and cannot
It is interpreted as indication or suggestion and faces ground importance.
In this practical description, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in practical.
Embodiment
As shown in Figure 1-3, the middle screw thread valve that a kind of sealing effect is good, including device noumenon 1, described device ontology 1 wrap
Middle screw thread valve 2 is included, bushing 7 is fixedly installed at the top of the middle screw thread valve 2, the 7 inside two sides of bushing are equal
It is provided with check-valves 8, the middle 2 bosom part two sides of screw thread valve are fixedly installed with fixed bracket 4, two institutes
It states fixed 4 bottom of bracket and is provided with buffer stopper 3, the buffer stopper 3 is located in the middle part of middle 2 inner bottom of screw thread valve,
It is provided with flashboard 5 between two fixed brackets 4, threaded hole is provided at the top of the flashboard 5, the flashboard 5 passes through screw thread
Hole is threaded with valve rod 6, and 6 top of valve rod passes through spill plate 9, holding clamp 10, valve deck 11, stuffing-box 12, filler pressure
Lid 13 and handwheel gasket 15 are fixedly connected with hand wheel nut 17, and handwheel 16 is fixedly installed at the top of the handwheel gasket 15, described
Hand wheel nut 17 is located at the inside of the handwheel 16, is fixedly installed with the stuffing-box 12, the filler at the top of the valve deck 11
It is provided with the gland 13 at the top of letter 12, is provided with filler graphite between the stuffing-box 12 and the gland 13
14。
The check-valves 8 is located at the bottom of spill plate 9, and holding clamp 10 is located at the top of spill plate 9, connects at the top of bushing 7
It is connected to valve deck 11, spill plate 9 and holding clamp 10 are respectively positioned on the inside of bushing 7, improve the rap port of device, the stuffing-box
12 and gland 13 be respectively positioned on the bottom of handwheel gasket 15, be provided with sealing on the inner sidewall of the middle screw thread valve 2
Circle, sealing ring are made of abrasive rubber material, and the inner surface of middle screw thread valve 2 is fixed on Embedded method, improve
The leakproofness of device, the flashboard 5 are made of the cemented carbide material of different hardness, and surface is set as honeycomb, are improved
The service life of flashboard 5 is sealed between the bushing 7 and valve deck 11 using O-ring, improves the leakproofness between component
Energy.
Specifically, band ovable valve stem 6 rotates in use, rotating handwheel 16 according to work requirements with hand-held handwheel 16 first,
To drive flashboard 5 to move up, so that pipe-dredging is controlled into the openings of sizes of pipeline according to the lifting height of valve rod 6,
So as to complete the function of middle screw thread valve, the present apparatus is provided with middle screw thread valve 2 and valve deck 11, uses O between the two
The sealing of type circle, improves the sealing performance of device, and stuffing-box 12, gland 13 are arranged between valve deck 11 and valve rod 6, so that
Between valve deck 11 and stuffing-box 12 be static seal, between valve rod 6 and stuffing-box 12 use dynamic sealing, using filler graphite 14 as
Sealed material reduces frictional force, good airproof performance, 11 long service life of valve deck, if damage, only needs to change stuffing-box 12.
Finally, it should be noted that the foregoing is merely this practical preferred embodiment, be not limited to it is practical,
Although being described in detail with reference to the foregoing embodiments to originally practical, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
Within all spirit and principle practical in sheet, it is practical to should be included in this for any modification, equivalent replacement, improvement and so on
Within protection scope.
Claims (6)
1. a kind of good middle screw thread valve of sealing effect, including device noumenon (1), it is characterised in that: described device ontology (1) packet
Middle screw thread valve (2) is included, is fixedly installed with bushing (7) at the top of the middle screw thread valve (2), in the bushing (7)
Portion two sides are provided with check-valves (8), and middle screw thread valve (2) the bosom part two sides are fixedly installed with fixation
Bracket (4), two fixed bracket (4) bottoms are provided with buffer stopper (3), and the buffer stopper (3) is located at the middle threaded valve
It in the middle part of gate valve body (2) inner bottom, is provided with flashboard (5) between two fixed brackets (4), is set at the top of the flashboard (5)
It is equipped with threaded hole, the flashboard (5) is threaded with valve rod (6) by threaded hole, and valve rod (6) top passes through spill plate
(9), holding clamp (10), valve deck (11), stuffing-box (12), gland (13) and handwheel gasket (15) are fixedly connected with handwheel
Nut (17), handwheel gasket (15) top are fixedly installed with handwheel (16), and the hand wheel nut (17) is located at the handwheel
(16) inside, valve deck (11) top are fixedly installed with the stuffing-box (12), are provided at the top of the stuffing-box (12)
The gland (13), is provided with filler graphite (14) between the stuffing-box (12) and the gland (13).
2. a kind of good middle screw thread valve of sealing effect according to claim 1, which is characterized in that the check-valves (8)
Positioned at the bottom of spill plate (9), holding clamp (10) is located at the top of spill plate (9), is connected with valve deck at the top of bushing (7)
(11), spill plate (9) and holding clamp (10) are respectively positioned on the inside of bushing (7).
3. a kind of good middle screw thread valve of sealing effect according to claim 1, which is characterized in that the stuffing-box (12)
The bottom of handwheel gasket (15) is respectively positioned on gland (13).
4. a kind of good middle screw thread valve of sealing effect according to claim 1, which is characterized in that the middle screw thread valve
It is provided with sealing ring on the inner sidewall of valve body (2), sealing ring is made of abrasive rubber material, is fixed on Embedded method
The inner surface of screw thread valve (2).
5. a kind of good middle screw thread valve of sealing effect according to claim 1, which is characterized in that the flashboard (5) is adopted
It is made of the cemented carbide material of different hardness, surface is set as honeycomb.
6. a kind of good middle screw thread valve of sealing effect according to claim 1, which is characterized in that the bushing (7) with
It is sealed between valve deck (11) using O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367371.3U CN208619725U (en) | 2018-08-24 | 2018-08-24 | A kind of good middle screw thread valve of sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367371.3U CN208619725U (en) | 2018-08-24 | 2018-08-24 | A kind of good middle screw thread valve of sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619725U true CN208619725U (en) | 2019-03-19 |
Family
ID=65715501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821367371.3U Expired - Fee Related CN208619725U (en) | 2018-08-24 | 2018-08-24 | A kind of good middle screw thread valve of sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619725U (en) |
-
2018
- 2018-08-24 CN CN201821367371.3U patent/CN208619725U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190903 Address after: 300350 No. 26-1, No. 2 Road, Xiaozhan Town Industrial Park, Jinnan District, Tianjin Patentee after: Tianjin Shenlong Dingtai Valve Co., Ltd. Address before: No. 16 Nanbang, Chiwan Village, Youchegang Town, Xiuzhou District, Jiaxing City, Zhejiang Province, 314000 Patentee before: Jiang Guoliang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |