CN204900891U - Gear drive zero leakage plate valve - Google Patents
Gear drive zero leakage plate valve Download PDFInfo
- Publication number
- CN204900891U CN204900891U CN201520668209.5U CN201520668209U CN204900891U CN 204900891 U CN204900891 U CN 204900891U CN 201520668209 U CN201520668209 U CN 201520668209U CN 204900891 U CN204900891 U CN 204900891U
- Authority
- CN
- China
- Prior art keywords
- valve
- flashboard
- valve body
- gear shaft
- shaped
- 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
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a gear drive zero leakage plate valve, including valve body, disk seat, flashboard, handle, the valve body adopts left valve body, right valve body and well valve body to constitute, and the disk seat is installed respectively in the passageway of left valve body and right valve body, mainly be that the outer disc of flashboard is connected with the movable fit of well valve body inner chamber circle wall, the system has fan -shaped through -hole in the flashboard plane, and the interior cambered surface system of fan -shaped through -hole has sector gear, installs the gear shaft on left valve body and right valve body, and the axis of this gear shaft is perpendicular with the flashboard plane, the gear of gear shaft and the sector gear intermeshing on the flashboard, the system has a water conservancy diversion hole in the flashboard plane, and the centre of a circle in this water conservancy diversion hole lies in uses the gear shaft center as the centre of a circle to the gear shaft center is on the radial circular arc to the perpendicular line between the valve body passageway central line. Rotate handle drives the flashboard and at the valve pocket internal rotation, realizes the valve and open and close the operation, has reduced valve volume and weight, has avoided prior art valve rod motion wearing and tearing filler to take place the problem of leaking simultaneously, has improved lumen sealing performance.
Description
Technical field
The utility model belongs to valve field, particularly a kind of plate valve.
Background technique
Plate valve is generally made up of valve body, valve gap, valve seat, flashboard, valve rod, valve seat is installed and is imported and exported passway with valve body, cooperatively interact with flashboard two side plane and seal, flashboard by valve rod drive depart from sealing surface of seat or with valve seat fitted seal, realize unlatching or the closing operation of flashboard.One of its shortcoming is: during valve opening, and valve rod drives flashboard upwards to promote and is concealed in valve gap inner chamber, and valve volume is large, Heavy Weight, installing space are large; Two of its shortcoming is: adopt stuffing box packing to seal between valve rod and valve gap, and the lifting of valve rod produces wearing and tearing to stuffing box packing, and sealing reliability is poor.
Summary of the invention
The purpose of this utility model is the shortcoming existed for prior art, improves the gear transmission zero leakage plate valve that a kind of volume is little, lightweight, installing space is little, sealing reliability is good.
The technical solution of the utility model comprises valve body, valve seat, flashboard, handle, and valve body adopts left valve barrel, right valve barrel and middle valve body composition, and valve seat is installed in the passage of left valve barrel and right valve barrel respectively; Mainly flashboard periphery and middle body cavity circle wall move and are connected, fan-shaped pylone is shaped with in flashboard plane, the intrados of fan-shaped pylone is shaped with tooth sector, left valve barrel and right valve barrel install gear shaft, the axis of this gear shaft and flashboard plane orthogonal, the tooth sector on the gear of gear shaft and flashboard engages each other; Be shaped with pod apertures in flashboard plane, the center of circle of this pod apertures is positioned at gear shaft center for the center of circle, on the circular arc being radius with the vertical line between gear shaft center to valve channel center line.
Preferably, be shaped with annular grease groove between middle body cavity circle wall and flashboard periphery, middle valve body periphery is provided with the oil gun being communicated with annular grease groove.
Preferably, adopt thrust pad and nut to be fixedly mounted on left valve barrel in the middle of gear shaft, install seal ring between its axis and left valve barrel, one end is arranged in right valve barrel by bearing, the other end and fixed installation handle and indicator, right valve barrel is installed the grease pouring valve that is communicated with fan-shaped pylone.
Preferably, grease pouring valve is made up of housing, steel ball, spring, housing seal is arranged on right valve barrel, spring and steel ball are arranged on housing cavity, housing is shaped with pouring orifice, and this pouring orifice is communicated with housing cavity, and the housing cavity wall of pouring orifice side is shaped with the spherical seal surface cooperatively interacted with steel ball sphere, spring top is contained between steel ball and gear shaft end face, and gear shaft center is shaped with the oil transportation hole being communicated with housing cavity and fan-shaped pylone.
Preferably, seal ring is respectively equipped with between flashboard two side plane and left valve barrel, right valve barrel.
The utility model has the advantages that handle rotates drives flashboard to rotate in valve pocket, realizes valve opening and closing operation, reduces valve volume and weight, avoids the problem that prior art stem movement wearing and tearing filler occurs to leak simultaneously, improves lumen sealability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Valve body, 4 valve seats, 5 flashboards, 6 elastic elements, 7 oil guns, 8 seal rings, 9 fan-shaped pylones, 10 gear shafts, 11 handles, 12 indicators, 13 nuts, 14 thrust pads, 15 housings, 16 steel balls, 17 springs, 18 oil transportation holes, 19 seal rings, 20 bearings in 1 left valve barrel, 2 right valve barrels, 3.
Embodiment
Gear transmission zero leakage plate valve as shown in Figure 1, comprise valve body, valve seat 4, flashboard 5, handle 11, valve body adopts left valve barrel 1, right valve barrel 2 and middle valve body 3 to form, valve seat 4 is installed in the passage of left valve barrel 1 and right valve barrel 2 respectively, valve seat 4 sealing surface and flashboard 5 sealing surface cooperatively interact and seal, between valve seat 4 other end and left valve barrel 1, right valve barrel 2 passage radial end face, elastic element 6 is set, valve seat 4 is coordinated with flashboard 5 elastic floating; Flashboard 5 periphery and middle valve body 3 inner chamber circle wall move and are connected, fan-shaped pylone 9 is shaped with in flashboard 5 plane, the intrados of fan-shaped pylone 9 is shaped with tooth sector, left valve barrel 1 and right valve barrel 2 install gear shaft 10, the axis of this gear shaft 10 and flashboard 5 plane orthogonal, the tooth sector on the gear of gear shaft 10 and flashboard 5 engages each other; Pod apertures is shaped with in flashboard 5 plane, the center of circle of this pod apertures is positioned at gear shaft 10 center for the center of circle, on the circular arc being radius with the perpendicular distance between gear shaft 10 center to valve channel center line, when flashboard 5 full-gear, the center of circle of its pod apertures on valve channel center line, the diameter of pod apertures and valve channel equal diameters.
Be shaped with annular grease groove between middle valve body 3 inner chamber circle wall and flashboard 5 periphery, middle valve body 3 periphery is provided with the oil gun 7 being communicated with annular grease groove.
Thrust pad 14 and nut 13 is adopted to be fixedly mounted on left valve barrel 1 in the middle part of gear shaft 10, seal ring 19 is installed between its axis and left valve barrel 1, realize the sealing between gear shaft 10 and left valve barrel 1, an end is arranged in right valve barrel 2 by bearing 20, another end winding support mounting handle 11 and indicator 12, right valve barrel 2 is installed the grease pouring valve that is communicated with fan-shaped pylone 9, grease is injected in fan-shaped pylone 9, realize grease seal between gear shaft 10 and left valve barrel 1, right valve barrel 2, keep the lubrication of gear shaft 10 and tooth sector on flashboard 5.
Grease pouring valve is made up of housing 15, steel ball 16, spring 17, housing 15 sealing is arranged on right valve barrel 2, spring 17 and steel ball 16 are arranged on housing 15 inner chamber, housing 15 is shaped with pouring orifice, this pouring orifice and housing 15 inner space, housing 15 internal chamber wall being positioned at pouring orifice side is shaped with the spherical seal surface cooperatively interacted with steel ball 16 sphere, and spring 17 top is contained between steel ball 16 and gear shaft 10 end face, and gear shaft 10 center is shaped with the oil transportation hole 18 being communicated with housing 15 inner chamber and fan-shaped pylone 9.During oiling, the elastic force of oil pressure counter spring 17 pushes steel ball 16 open, and grease enters in fan-shaped pylone 9 by oil transportation hole 18; After oiling terminates, spring 17 promotes steel ball 16 and is sealed and matched with housing 15, prevents grease from leaking outside, realizes lumen zero sealability.
Be respectively equipped with seal ring 8 between flashboard 5 liang of side planes and left valve barrel 1, right valve barrel 2, sealing circle 8 is positioned at the flashboard 5 liang of side planes outside valve seat 4 sealing surface.
Left valve barrel 1 adopts inlet passage and left cavity welding to be formed by connecting, and right valve barrel 2 adopts outlet passage and right cavity welding to be formed by connecting.Left cavity, right cavity are connected by bolt seal with middle valve body 3.
Claims (6)
1. a gear transmission zero leakage plate valve, comprise valve body, valve seat (4), flashboard (5), handle (11), valve body adopts left valve barrel (1), right valve barrel (2) and middle valve body (3) composition, and valve seat (4) is installed in the passage of left valve barrel (1) and right valve barrel (2) respectively; It is characterized in that flashboard (5) periphery and middle valve body (3) inner chamber circle wall move to be connected, fan-shaped pylone (9) is shaped with in flashboard (5) plane, the intrados of fan-shaped pylone (9) is shaped with tooth sector, left valve barrel (1) and right valve barrel (2) install gear shaft (10), the axis of this gear shaft (10) and flashboard (5) plane orthogonal, the tooth sector on the gear of gear shaft (10) and flashboard (5) engages each other; Be shaped with pod apertures in flashboard (5) plane, the center of circle of this pod apertures is positioned at and is the center of circle with gear shaft (10) center, is on the circular arc of radius with the perpendicular distance between gear shaft (10) center to valve channel center line.
2. gear transmission zero leakage plate valve according to claim 1, it is characterized in that being shaped with annular grease groove between valve body (3) inner chamber circle wall and flashboard (5) periphery, middle valve body (3) periphery is provided with the oil gun (7) being communicated with annular grease groove.
3. gear transmission zero leakage plate valve according to claim 1 and 2, it is characterized in that gear shaft (10) middle part adopts thrust pad (14) and nut (13) to be fixedly mounted on left valve barrel (1), it axially and between left valve barrel (1) installs seal ring (19), an end of gear shaft (10) is arranged in right valve barrel (2) by bearing (20), another end winding support mounting handle (11) and indicator (12), the upper installation one of right valve barrel (2) is communicated with the grease pouring valve of fan-shaped pylone (9).
4. gear transmission zero leakage plate valve according to claim 3, it is characterized in that grease pouring valve is by housing (15), steel ball (16), spring (17) forms, housing (15) sealing is arranged on right valve barrel (2), spring (17) and steel ball (16) are arranged on housing (15) inner chamber, (15) are shaped with pouring orifice to housing, this pouring orifice and housing (15) inner space, housing (15) internal chamber wall being positioned at pouring orifice side is shaped with the spherical seal surface cooperatively interacted with steel ball (16) sphere, spring (17) top is contained between steel ball (16) and gear shaft (10) end face, gear shaft (10) center is shaped with the oil transportation hole (18) being communicated with housing (15) inner chamber and fan-shaped pylone (9).
5. gear transmission zero leakage plate valve according to claim 1 and 2, is characterized in that being respectively equipped with seal ring (8) between flashboard (5) two side plane and left valve barrel (1), right valve barrel (2).
6. gear transmission zero leakage plate valve according to claim 1 and 2, is characterized in that being respectively equipped with seal ring (8) between flashboard (5) two side plane and left valve barrel (1), right valve barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668209.5U CN204900891U (en) | 2015-08-20 | 2015-08-20 | Gear drive zero leakage plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668209.5U CN204900891U (en) | 2015-08-20 | 2015-08-20 | Gear drive zero leakage plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900891U true CN204900891U (en) | 2015-12-23 |
Family
ID=54923068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668209.5U Expired - Fee Related CN204900891U (en) | 2015-08-20 | 2015-08-20 | Gear drive zero leakage plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065697A (en) * | 2015-08-20 | 2015-11-18 | 立信阀门集团有限公司 | Gear-transmission zero-leakage flat gate valve |
-
2015
- 2015-08-20 CN CN201520668209.5U patent/CN204900891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065697A (en) * | 2015-08-20 | 2015-11-18 | 立信阀门集团有限公司 | Gear-transmission zero-leakage flat gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103671995B (en) | Dual Piston axial flow regulates valve | |
| CN202266772U (en) | Split multi-spring large-drift-diameter rotary joint | |
| CN105804967A (en) | Combined piston type electronic vacuum pump for automobile | |
| CN204900891U (en) | Gear drive zero leakage plate valve | |
| CN203430981U (en) | Novel lubricating structure for hinge pin of loading machine | |
| CN202149024U (en) | Inner-engaged gear pump and gap filling component | |
| CN208995995U (en) | A kind of freely-supported wheel with oil passage | |
| CN201764034U (en) | Fully welded axial flow type check valve | |
| CN203730718U (en) | Combined seal bearing end cover for speed reducer | |
| CN105065697A (en) | Gear-transmission zero-leakage flat gate valve | |
| CN203670492U (en) | Sealed lubricating device on ship stern roller | |
| CN202140670U (en) | Impacting hand wheel for valves | |
| CN202719182U (en) | Five-piece-type forged steel ball valve | |
| CN105465338A (en) | Axial-limiting antifriction structure | |
| CN112303275B (en) | Metal sealing ball valve | |
| CN107781446A (en) | The universal automatic compensation valve seat snap ring pressure plate type valve of Bidirectional pressure | |
| CN202901318U (en) | Heavy caliber center line-type butterfly valve provided with hollow valve plate | |
| CN208331209U (en) | The three-in-one sealing device of axis | |
| CN208237124U (en) | Single valve seat two-way sealing semisphere valve | |
| CN102434266B (en) | Connected pneumatic film type clutch for fan | |
| CN207364244U (en) | A kind of power takeoff being lubricated using helicoidal pump, gearbox or Retarder | |
| CN108626359A (en) | The three-in-one sealing device of axis | |
| CN202266773U (en) | Split rotary joint of multi-spring structure | |
| CN207316049U (en) | A kind of disc seal speed reducer | |
| CN105179364B (en) | It is a kind of to prevent piston radial rotation, the combined type attachment means of axial movement |
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: 20151223 Termination date: 20210820 |