CN211203039U - Sealing structure for blind plate valve - Google Patents
Sealing structure for blind plate valve Download PDFInfo
- Publication number
- CN211203039U CN211203039U CN201922340188.5U CN201922340188U CN211203039U CN 211203039 U CN211203039 U CN 211203039U CN 201922340188 U CN201922340188 U CN 201922340188U CN 211203039 U CN211203039 U CN 211203039U
- Authority
- CN
- China
- Prior art keywords
- sealing strip
- blind plate
- plate valve
- shaped sealing
- type sealing
- 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.)
- Active
Links
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to a seal structure for blind plate valve, it includes a plurality of ring channels of establishing on the valve body, install T type sealing strip in the ring channel, establish the inflatable packer in T type sealing strip bottom surface and can dismantle the gas tube of being connected with inflatable packer, the top surface of T type sealing strip is equipped with the through-hole, the gas tube passes from the through-hole. The utility model is used for install and play sealed effect in the blind plate valve, the process of having solved sealing device among the blind plate valve among the prior art and dismantling the sealing strip wastes time and energy, maintains inconvenient problem, and is more durable than current sealing washer, and the leakproofness is better. The utility model discloses have and maintain convenient effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of blind plate valve and specifically relates to a seal structure for blind plate valve is related to.
Background
The existing blind plate valve is installed on various gas pipelines and comprises a valve seat, a left valve body, a middle valve body, a fan-shaped valve plate and a right valve body which are sequentially installed on the valve seat. The fan-shaped valve plate rotates around the fixed shaft to open and close the valve, and in the prior art, a sealing rubber strip is generally arranged on the connecting end surface of the fan-shaped valve plate, the left valve body and the middle valve body, a sealing device of a general blind plate valve is a sealing ring, and the sealing ring is made of silicon rubber.
When installing the sealing strip among the prior art, install the sealing strip embedding in the draw-in groove of terminal surface, along with the live time becomes long, the sealing washer needs to be changed, and the sealing washer is owing to be produced the deformation by the terminal surface extrusion of fan-shaped valve plate and valve body for a long time, and the long meeting of sealing washer live time is ageing in addition, dismantles and need pry out with most advanced thing, perhaps directly destroys the sealing washer completely, and another section is taken out, installs new sealing washer again, and the operation is got up and is wasted time and energy.
The prior art scheme has the defect that the sealing device of the blind plate valve is inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a seal structure for blind plate valve, it has the convenient advantage of maintaining to exist not enough to prior art.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a sealing structure for a blind plate valve comprises a plurality of annular grooves formed in a valve body, a T-shaped sealing strip arranged in each annular groove, an inflatable gasket arranged on the bottom surface of each T-shaped sealing strip and an inflatable pipe detachably connected with the inflatable gasket;
the top surface of the T-shaped sealing strip is provided with a through hole;
the inflation tube passes through the through hole.
Through the technical scheme, the utility model discloses an establish the ring channel on the valve body and install the sealing washer of original embedded installation with the T type sealing strip of installing in the ring channel, just the utility model provides a T type sealing strip's bottom surface still is provided with aerifys the gasket and can dismantle the gas tube of being connected with aerifing the gasket, when T type sealing strip needs to be changed, can be through setting up the through-hole on T type sealing strip, aerify in the gas tube, after the gas entering of gas tube aerifys the gasket, make and aerify the gasket inflation, extrude a part with the T type sealing strip of installing in the ring channel, at last manual work can be with hand or clamping tool and be about to T type sealing strip and take out, it is more convenient to make T type sealing strip change, save artificial physical power and time, it is more.
The present invention may be further configured in a preferred embodiment as: the inner surface of the annular groove and the surface of the bottom of the T-shaped sealing strip are corrugated surfaces.
Through adopting the technical scheme, the utility model provides an inner surface of ring channel and the side of T type sealing strip bottom all establish to the corrugated surface for the contact of T type sealing strip and ring channel is inseparabler, and sealed effect is better.
The present invention may be further configured in a preferred embodiment as: a plurality of rectangular holes are formed in the annular groove at intervals in the circumferential direction, and a plurality of clamping blocks matched with the rectangular holes are arranged on the T-shaped sealing strip.
Through adopting above-mentioned technical scheme, circumference interval is equipped with a plurality of rectangular holes on the ring channel, is equipped with a plurality of fixture blocks that match with the rectangular hole on the T type sealing strip, through the location of rectangular hole and fixture block, makes the utility model discloses the installation is more convenient, and operating personnel can insert the remaining part of T type sealing strip in the ring channel rapidly with fixture block and rectangular hole cooperation back.
The present invention may be further configured in a preferred embodiment as: the arc length between the rectangular holes is equal to that between any rectangular hole.
Through adopting the technical scheme, the utility model provides a rectangular hole equals with the arc length between arbitrary rectangular hole for arranging of rectangular hole and fixture block is more even, thereby makes the mounting structure between T type sealing strip and the ring channel more stable, thereby prolongs the life of T type sealing strip.
The present invention may be further configured in a preferred embodiment as: and the edge of the top surface of the T-shaped sealing strip is provided with a round chamfer.
Through adopting above-mentioned technical scheme, the top surface edge of T type sealing strip is provided with round chamfer, and when T type sealing strip was in opening and closing process of valve body, the contact transition process of fan-shaped valve plate in T type sealing strip and the valve body was faster, and the initial friction that T type sealing strip received diminishes for T type sealing strip is more durable.
The present invention may be further configured in a preferred embodiment as: and the bottom of the T-shaped sealing strip is provided with a clamping groove in clearance fit with the inflatable gasket.
Through adopting above-mentioned technical scheme, the bottom of T type sealing strip is provided with the draw-in groove with inflatable packer clearance fit, and when the setting of draw-in groove had avoided installing T type sealing strip, the bottom surface of T type sealing strip and the bottom surface transition extrusion of ring channel caused inflatable packer's damage.
The present invention may be further configured in a preferred embodiment as: and a plurality of jacks are radially arranged at the top of the T-shaped sealing strip.
Through adopting above-mentioned technical scheme, the top of T type sealing strip radially is provided with a plurality of jacks, and when T type sealing strip when being dismantled, after the annular groove was extruded to some of T type sealing strip, the usable cylinder class instrument of operating personnel inserted the jack in, pulls out T type sealing strip. Make the utility model discloses a T type sealing strip is changed more conveniently.
The present invention may be further configured in a preferred embodiment as: the surface of the T-shaped sealing strip is coated with a corrosion-resistant layer.
Through adopting above-mentioned technical scheme, the surface coating of T type sealing strip has the corrosion-resistant layer for the valve body is opening or is closing the in-process, and the corrosion-resistant layer can avoid T type sealing strip by corrosion damage, makes T type sealing strip more durable.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses replace the sealing washer of current embedding installation in the valve body with the ring channel of seting up in the valve body and the T type sealing strip of installing in the ring channel, and the bottom surface of T type sealing strip still is provided with inflatable packer and can dismantle the gas tube of being connected with inflatable packer, still is equipped with the through-hole on the T type sealing strip for pass the gas tube. When the T-shaped sealing strip needs to be replaced, the inflation pipe is inflated, the gas entering the inflatable gasket from the inflation pipe enables the inflatable gasket to expand, a part of the T-shaped sealing strip installed in the annular groove is extruded, and finally, the T-shaped sealing strip can be taken out manually or by a clamping tool, so that the T-shaped sealing strip is replaced more conveniently, manual physical force and time are saved, and the maintenance is more convenient.
2. The utility model provides a top of T type sealing strip radially is provided with a plurality of jacks, and when T type sealing strip when being dismantled, the ring channel is extruded to some of T type sealing strip after, and usable cylinder class instrument of operating personnel inserts the jack, pulls out T type sealing strip. Make the utility model discloses a T type sealing strip is changed more conveniently.
Drawings
Fig. 1 is a schematic view of the installation state of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the T-shaped sealing strip of the present invention.
Fig. 5 is a cross-sectional view of the T-shaped sealing strip of the present invention.
Reference numerals: 11. the sealing structure comprises an annular groove, 21, a T-shaped sealing strip, 31, an inflatable gasket, 41, an inflatable tube, 51, a through hole, 111, a rectangular hole, 22, a clamping block, 23, a round chamfer, 24, a clamping groove, 25, a jack, 26 and a corrosion-resistant layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a sealing structure for a blind plate valve, mainly by ring channel 11, T type sealing strip 21 and inflatable packer 31 triplex. A plurality of annular grooves 11 are formed in the valve body, a T-shaped sealing strip 21 is installed in the annular sealing strip 21, and an inflatable gasket 31 is arranged on the bottom surface of the T-shaped sealing strip 21. The bottom surface in this embodiment is the mounting direction of the T-shaped weather strip 21.
Referring to fig. 2 and 3, the annular groove 11 is formed in the end surface of the left valve body and the end surface of the middle valve body of the valve body, the annular groove 11 further includes a plurality of rectangular holes 111 circumferentially arranged on the annular groove 11 at intervals, the arc lengths between the rectangular holes 111 and any one of the rectangular holes 111 are equal, that is, an included angle formed by a connecting line between the centers of the rectangular holes 111 and the annular groove 11 and a connecting line between the centers of the other rectangular holes 111 and the annular groove 11 is equal, and in this embodiment, the included angle is 120 °. The inner surface of the annular groove 11 is a corrugated surface.
Referring to fig. 3 and 4, the side surface of the bottom of the T-shaped sealing strip 21 is a corrugated surface, and the T-shaped sealing strip 21 further includes a through hole 51, a latch 22, a round chamfer 23, a clamping groove 24, an insertion hole 25 and a corrosion-resistant layer 26. The through hole 51 is provided in the top surface of the T-shaped weather strip 21, and penetrates therethrough. A plurality of latch blocks 22 are circumferentially arranged on two side surfaces of the top of the T-shaped sealing strip 21, and the latch blocks 22 are matched with the rectangular holes 111 for use, namely, the latch blocks 22 are embedded in the rectangular holes 111. The round chamfer 23 is arranged at the edge of the top surface of the T-shaped sealing strip 21, the clamping groove 24 is arranged at the bottom surface of the T-shaped sealing strip 21, and the inflatable gasket 31 is in clearance fit with the clamping groove 24, namely the inflatable gasket 31 is placed in the clamping groove 24.
Referring to fig. 4 and 5, a plurality of insertion holes 25 are radially provided at the top of the T-shaped sealing strip 21, and the insertion holes 25 are provided at both sides of the top of the T-shaped sealing strip 25. The corrosion-resistant layer 26 is coated on the surface of the T-shaped sealing strip 21, and chlorinated rubber paint can be used as the corrosion-resistant layer 26.
Referring to fig. 2 and 3, the inflatable gasket 31 is an annular cushion plate and is embedded in the clamping groove 24 at the bottom of the T-shaped sealing strip 21, and the inflatable gasket 31 is in clearance fit with the clamping groove 24. The inflatable gasket 31 is provided with an inflatable tube 41 detachably connected with the inflatable gasket 31, the inflatable tube 41 passes through the through hole 51, and one end of the inflatable tube 41 is detachably connected with the inflatable gasket 31 in an adhesion mode.
The implementation principle of the embodiment is as follows:
when the utility model discloses during the installation, operating personnel will inflate the pipe 41 and pass through-hole 51 at first, will inflate gasket 31 and install in draw-in groove 24, compress tightly with the hand, then utilize fixture block 22 to aim at rectangular hole 111, with T type sealing strip 21 limit position to install the annular groove 11 that begins on the valve body with T type sealing strip 21 remaining part.
When the blind plate valve is after gas pipeline to using a period, the utility model discloses when needing to maintain, part the valve body earlier, aim at gas tube 41 in the through-hole 51 again and aerify for gaseous entering is inflated in the gasket 31 and is let inflated the gasket 31 inflation, along with inflated the inflation of gasket 31, under atmospheric pressure effect, T type sealing strip 21 is slowly extruded from ring channel 11, then operating personnel can utilize the top of grabbing T type sealing strip 21 with the hand, dismantle T type sealing strip 21, perhaps operating personnel is with cylindrical instrument like the screwdriver, pass jack 25, pull out T type sealing strip 21 again, it can to install foretell installation procedure at last and change new T type sealing strip.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a seal structure for blind plate valve which characterized in that: comprises a plurality of annular grooves (11) arranged on a valve body, a T-shaped sealing strip (21) arranged in the annular grooves (11), an inflatable gasket (31) arranged on the bottom surface of the T-shaped sealing strip (21) and an inflatable tube (41) detachably connected with the inflatable gasket (31);
the top surface of the T-shaped sealing strip (21) is provided with a through hole (51);
the inflation tube (41) passes through the through hole (51).
2. A sealing structure for a blind plate valve according to claim 1, wherein: the inner surface of the annular groove (11) and the side surface of the bottom of the T-shaped sealing strip (21) are corrugated surfaces.
3. A sealing structure for a blind plate valve according to claim 1, wherein: a plurality of rectangular holes (111) are formed in the annular groove (11) at intervals in the circumferential direction, and a plurality of clamping blocks (22) matched with the rectangular holes (111) are arranged on the T-shaped sealing strip (21).
4. A sealing structure for a blind plate valve according to claim 3, wherein: the arc length between the rectangular hole (111) and any rectangular hole (111) is equal.
5. A sealing structure for a blind plate valve according to claim 1, wherein: and the edge of the top surface of the T-shaped sealing strip (21) is provided with a round chamfer (23).
6. A sealing structure for a blind plate valve according to claim 1, wherein: and the bottom of the T-shaped sealing strip (21) is provided with a clamping groove (24) in clearance fit with the inflatable gasket (31).
7. A sealing structure for a blind plate valve according to claim 1, wherein: the top of the T-shaped sealing strip (21) is radially provided with a plurality of insertion holes (25).
8. A sealing structure for a blind plate valve according to claim 1, wherein: the surface of the T-shaped sealing strip (21) is coated with a corrosion-resistant layer (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340188.5U CN211203039U (en) | 2019-12-23 | 2019-12-23 | Sealing structure for blind plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340188.5U CN211203039U (en) | 2019-12-23 | 2019-12-23 | Sealing structure for blind plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211203039U true CN211203039U (en) | 2020-08-07 |
Family
ID=71853852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340188.5U Active CN211203039U (en) | 2019-12-23 | 2019-12-23 | Sealing structure for blind plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211203039U (en) |
-
2019
- 2019-12-23 CN CN201922340188.5U patent/CN211203039U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0916950B1 (en) | WELL HEAD ASSEMBLY | |
| US20040112451A1 (en) | Flow-through inflatable plug | |
| CN205195180U (en) | Pipeline hidden danger annihilator | |
| CN111503419B (en) | Underground sewage pipeline non-excavation stainless steel expansion ring joint repairing construction method | |
| JP2004197936A (en) | Expansion ring assembly | |
| CN211203039U (en) | Sealing structure for blind plate valve | |
| CN110985794A (en) | Quick connector for pressure pipeline and use method thereof | |
| CN204879266U (en) | Harf union joint | |
| US20010045699A1 (en) | Flexible seal forming member | |
| CN210165075U (en) | Sealing device for submarine pipeline maintenance pipe clamp | |
| CN215410657U (en) | Air pipe joint with anti-falling function of elastic belt | |
| CN112032442A (en) | Bimetal three-way pipe | |
| CN112413274A (en) | Hafu joint and pipeline first-aid repair method | |
| CN203880278U (en) | Pipe spigot joint seal structure | |
| CN216078637U (en) | High-efficient wall pipeline sealing device that wears | |
| CN217232869U (en) | Round opening enclosure sealing structure | |
| CN203731005U (en) | Water testing component of embedded box | |
| CN216715548U (en) | PE pipe convenient to equipment | |
| CN217519284U (en) | Novel adjustable multichannel copper valve | |
| CN217688239U (en) | Hydrostatic test fixture of double-wall corrugated pipe | |
| CN219588342U (en) | Pipeline repairing and connecting device | |
| CN218267501U (en) | Programme-controlled valve structure that convenient maintenance of a specified duration | |
| CN214889726U (en) | Split type tee pipeline under-pressure emergency repair clamp | |
| CN220957372U (en) | Lengthened deep cavity split type pipeline rush-repair clamp | |
| KR100737112B1 (en) | Apparatus for preventing the dust outflow at the rotation part of the CMCP dryer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |