CN114351662A - Sealing device - Google Patents

Sealing device Download PDF

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Publication number
CN114351662A
CN114351662A CN202210040767.1A CN202210040767A CN114351662A CN 114351662 A CN114351662 A CN 114351662A CN 202210040767 A CN202210040767 A CN 202210040767A CN 114351662 A CN114351662 A CN 114351662A
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CN
China
Prior art keywords
sealing
door body
strip
door frame
water stop
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.)
Pending
Application number
CN202210040767.1A
Other languages
Chinese (zh)
Inventor
胡聪
彭鹏
林莉峰
刘斌
张熠
赵林辉
朱运涛
曹晓哲
张帅领
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Municipal Engineering Design Insitute Group Co Ltd
Original Assignee
Shanghai Municipal Engineering Design Insitute Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Municipal Engineering Design Insitute Group Co Ltd filed Critical Shanghai Municipal Engineering Design Insitute Group Co Ltd
Priority to CN202210040767.1A priority Critical patent/CN114351662A/en
Publication of CN114351662A publication Critical patent/CN114351662A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a sealing device which comprises a door frame, a door body, a water stop strip and a wedging part. The door frame is arranged on the side wall of the opening of the weir gate. The door body is used for plugging the door frame. The sealing strip is arranged between the door frame and the door body and comprises a connecting part and a plurality of sealing parts, and the sealing parts are arranged on the side faces of the connecting part. The wedging part is used for pressing the door body on the water stop strip. The wedging part compresses the door body on the water stop strip, one end of the water stop strip is connected with the door frame, and the other end of the water stop strip is abutted against the door body. Simultaneously, the sealing strip includes connecting portion and a plurality of sealing, and the connecting portion couples together the sealing to can make the door body firmly compress tightly on the sealing strip, and can make the sealing strip atress even, the sealing strip is difficult to the roll breakage when the door body is frequently opened and close, and then can prevent that the sealing strip department of weir door department from frequently leaking, improves sealing device's leakproofness.

Description

Sealing device
Technical Field
The invention relates to a hydraulic engineering device, in particular to a sealing device.
Background
When a sewage treatment plant needs to control multi-point water inflow and water distribution, a weir gate with freely adjustable height is usually used. The water stopping strip adopted during the sealing of the weir gate has good water stopping effect at the beginning, and the water leakage phenomenon frequently occurs at the water stopping strip after the use time is slightly long. Although the water leakage phenomenon can be reduced through the wedging device, the wedging device can bring larger resistance to the opening and closing of the weir gate, so that the opening and closing of the weir gate become very laborious; seriously, in the process of opening and closing the electric weir gate, even the electric actuating mechanism can be damaged; meanwhile, the wedging device can accelerate the abrasion of the rubber water stop strip. The wedging device is not suitable for being used on a channel water distribution weir gate which needs to be opened and closed frequently in a CASS (continuous operation system) process. In addition, the existing water stop strip usually adopts a P-shaped water stop strip, and the two sides of the water stop strip are stressed unevenly, so that the water stop strip is easy to be pulled to be damaged or curled, the tightness of a weir gate is further damaged, and a large amount of sewage is leaked.
Disclosure of Invention
The invention aims to overcome the defect that water frequently leaks from a P-type water stop strip at a weir gate in the prior art, and provides a sealing device.
The invention solves the technical problems through the following technical scheme:
a sealing device comprises a door frame, a door body, a water stop strip and a wedging part. The door frame is arranged on the side wall of the opening of the weir gate. The door body is used for plugging the door frame. The water stop strip is arranged between the door frame and the door body and comprises a connecting part and a plurality of sealing parts, and the sealing parts are arranged on the side faces of the connecting part. The wedging part is used for pressing the door body on the water stop strip.
In the scheme, the wedging part tightly presses the door body on the water stop strip, one end of the water stop strip is connected with the door frame, and the other end of the water stop strip abuts against the door body. Simultaneously, the sealing strip includes connecting portion and a plurality of sealing, the connecting portion will the sealing is connected, thereby can make the door body can be firmly compressed tightly on the sealing strip, and can make the sealing strip atress is even, the sealing strip is difficult to the roll destruction when the door body is frequently opened and close, and then can prevent that the sealing strip department of weir door department from frequently leaking, improves sealing device's leakproofness.
Preferably, the sealing parts are arranged at intervals, and gaps are formed between the sealing parts.
In this scheme, will the sealing interval sets up, and be formed with the clearance between the sealing, thereby can make the sealing can every interval one section distance with the door body is hugged closely together, can also make the sealing have the space to take place to deform when pressurized outside, makes the deformation degree increase, increases the sealing with the area that the door body was hugged closely, the sealing the clearance with form labyrinth between the door body, can effectively improve sealed effect, avoid the sealing strip department of weir door department to take place to leak, and then can improve sealing device's leakproofness.
Preferably, a through hole is formed inside the sealing part.
In this scheme, the through-hole has been seted up to the inside of sealing, the through-hole can be in the inside of sealing does the sealing takes place to deform when the pressurized and improves the space to can increase the area that sealing and the door body hug closely, and then can improve sealing device's leakproofness.
Preferably, the sealing portion has a cylindrical cross section;
and/or the cross section of the connecting part is rectangular.
In the scheme, the section of the sealing part is cylindrical, so that the sealing part is easier to deform when being pressed, the area of the sealing part tightly attached to the door body can be increased, and the sealing performance of the sealing device can be improved. The cross-section of connecting portion is the rectangle to can make the sealing and can stably connect, and then can make the structure of sealing strip more stable.
Preferably, one end of the connecting part, which is far away from the door body, is attached to the door frame.
In this scheme, will the one end laminating setting that connecting portion kept away from the door body is in on the door frame to can make the sealing rod can laminate and fix on a certain position of door frame, and can not take place the displacement easily, and then can improve sealing device's leakproofness.
Preferably, the sealing device further comprises a fastener disposed in the gap, the fastener securing the water stop strip to the door frame.
In this scheme, sealing device is still including the fastener, will the fastener sets up in the clearance, sealing part can block rivers and go into the clearance to can make the fastener can not corroded by the water, and then the dismantlement when conveniently maintaining the sealing rod. The water stop strip is fixed on the door frame through the fastening piece, so that the water stop strip can be fixed on a certain position of the door frame and cannot be easily displaced, and the sealing performance of the sealing device can be improved.
Preferably, the wedging part comprises a supporting piece and an adjusting piece, one end of the supporting piece is arranged on the door frame, the other end of the supporting piece is provided with the adjusting piece, and the adjusting piece is located on one side, far away from the door frame, of the door body.
In this scheme, wedging portion includes support piece and regulating part two parts, will support piece one end sets up on the door frame, the support piece other end is provided with the regulating part, and the regulating part is located the door body is kept away from one side of door frame to can make wedging portion pass through support piece and be in find a stable stress point on the door frame, through setting up at the support piece other end and be located the door body is kept away from the regulating part of one side of door frame is right the door body is applyed the orientation the pressure of sealing rod direction, simultaneously through the regulating part can also change wedging portion to the pressure that the door body was applyed, and then can adjust the pressure that needs under the different stagnant water effect in a flexible way.
Preferably, the sealing device further comprises a pressing strip, and the pressing strip is arranged between the door body and the adjusting piece.
In this scheme, sealing device still includes the layering, and the layering sets up the door body with between the regulating part of keying device, the layering is rectangular form, the regulating part supports and leans on the layering, the layering supports and leans on the door body, thereby makes the layering can be come from the pressure of regulating part conducts uniformly on the door body, and then not only can make the door body atress is even, improves sealing device's leakproofness, can also make the door body can not damaged by the regulating part when the pressure that receives is too big.
Preferably, the batten is located on a central line of the connecting part, and the length of the connecting part is not greater than the width of the batten correspondingly arranged on the central line of the connecting part.
In this scheme, will the layering setting is located on the position of the central line of connecting portion, and the length of connecting portion is not more than to correspond the setting and is in on the central line of connecting portion the width of layering, thereby can make the adjacent sealing of sealing strip with the layering and the wedging portion three forms a firm triangle stress point together, does not need too big rate of tension also can be reasonable press from both sides tightly the door body, and then can be convenient for the door body is in the layering with back and forth movement between the sealing strip.
Preferably, the door body includes a water stop portion and a combining portion. The periphery of the water stop part is provided with the joint part, the thickness of the joint part is smaller than that of the water stop part, and the joint part is arranged between the pressing strip and the water stop strip.
In this scheme, the door body is including being located the water-stop portion in the middle and being located peripheral joint portion, the thickness of joint portion is less than the thickness of water-stop portion, and only will the joint portion sets up the layering with between the waterstop, thereby can be convenient for the regulating part with set up between the door body the layering is convenient for adjust through the regulating part right the pressure that the door body was applyed, and then can be convenient for the door body is in the layering with back and forth movement between the waterstop.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: the sealing device can enable the door body to be firmly pressed on the water stop strip, enables the water stop strip to be evenly stressed, and enables the water stop strip not to be easily pulled to be damaged or to be curled when the door body is opened and closed, so that frequent water leakage at the water stop strip at the position of the weir door can be prevented, and the sealing performance of the sealing device is improved. The invention can be used for the soft sealing structure of the weir gate and the hard sealing structure of the weir gate, thereby realizing double optimization of durability and sealing property.
Drawings
Fig. 1 is a schematic elevation structure view of a sealing device according to an embodiment of the present invention.
Fig. 2 is a partially enlarged structural schematic view of a sealing device according to an embodiment of the present invention.
Fig. 3 is a schematic plan view of a water stop strip according to an embodiment of the present invention.
Fig. 4 is a schematic top sectional view of a water stop strip according to an embodiment of the present invention.
FIG. 5 is a schematic side sectional view of a water stop strip according to an embodiment of the present invention
Description of reference numerals:
sealing device 100
Doorframe 1
Door body 2
Water stop part 21
Joining part 22
Water stop strip 3
Sealing part 31
Via 311
Connecting part 32
Wedging part 4
Support 41
Adjusting part 42
Pressing bar 5
Fastener 6
Side plate 7
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 5, the present embodiment provides a sealing device 100 including a doorframe 1, a door body 2, a water stop strip 3, and a wedge portion 4. The door frame 1 is arranged on the side wall of the opening of the weir gate. The door body 2 is used for plugging the door frame 1. The water stop strip 3 is arranged between the door frame 1 and the door body 2, the water stop strip 3 comprises a connecting part 32 and a plurality of sealing parts 31, and the sealing parts 31 are arranged on the side surfaces of the connecting part 32. The wedge-caulking part 4 is used for pressing the door body 2 on the water stop strip 3.
In this embodiment, the wedging portion 4 compresses tightly the door body 2 on the water stop strip 3, and 3 one ends of the water stop strip are connected with the door frame 1 simultaneously, and the other end of the water stop strip 3 abuts against the door body 2. In the present embodiment, the water stop 3 is made of rubber, but in other embodiments, a general soft sealing material such as CR, NBR, EPDM, or the like may be used, or a material such as 5-5 to 5 tin bronze may be used. Meanwhile, the water stop strip 3 includes a connecting portion 32 and two symmetrically disposed sealing portions 31, but the number of the sealing portions 31 may not be limited to two in other embodiments. One side plane that connecting portion 32 kept away from the door body 2 pastes to door frame 1, the supporting part is towards the door body 2, connecting portion 32 couples together sealing 31 simultaneously, two sealing 31 play sealed effects to the door body 2 simultaneously, thereby can make the door body 2 firmly compress tightly on sealing strip 3, and can make sealing strip 3 atress even, sealing strip 3 is difficult to be pulled out or takes place the turn-up when the door body 2 plays to close, and then can prevent that the sealing strip 3 department of weir door department from frequently leaking, improve sealing device 100's leakproofness.
As shown in fig. 1, 2, 4, and 5, in the present embodiment, the sealing portions 31 are provided at intervals, and gaps are provided between the sealing portions 31.
In this embodiment, the two sealing portions 31 are spaced apart from each other by a distance, and a gap is formed between the two sealing portions 31, so that the water stop strip 3 is generally in a "B" shape, and the sealing portions 31 can be closely attached to the door body 2 at intervals, and the sealing portions 31 can be externally deformed by a space when receiving pressure, so that the degree of deformation of the sealing portions 31 is increased, the area where the sealing portions 31 are closely attached to the door body 2 is increased, and the sealing performance of the sealing device 100 can be improved.
As shown in fig. 1, 2, 4 and 5, in the present embodiment, a through hole 311 is provided inside the sealing portion 31.
In this embodiment, the through hole 311 is opened in the sealing portion 31, the through hole 311 is along the vertical direction of the door body 2, and the through hole 311 can provide a space for the sealing portion 31 to deform when being pressed in the sealing portion 31, so that the area of the sealing portion 31 closely attached to the door body 2 can be increased, and the sealing performance of the sealing device 100 can be improved.
As shown in fig. 1 to 5, in the present embodiment, the seal portion 31 has a cylindrical shape in cross section;
and/or the cross section of the connecting part 32 is rectangular.
In this embodiment, the cross-sectional side view of the sealing portion 31 is cylindrical, when the door body 2 is not pressurized, the sealing portion 31 is in point contact with the door body 2, and when the door body 2 is pressurized, the point contact between the sealing portion 31 and the door body 2 is changed into surface contact, so that the sealing portion 31 is more easily deformed when pressurized, the area of the sealing portion 31 tightly attached to the door body 2 can be increased, and the sealing performance of the sealing device 100 can be improved. The connecting portion 32 has a rectangular cross section, and the connecting portion 32 has a rectangular parallelepiped strip shape as a whole, so that the sealing portion 31 can be stably connected, and the durability of the sealing device 100 can be improved. In other embodiments, the cross section of the sealing portion 31 may be elliptical, convex, or the like, and the cross section of the connecting portion 32 is not limited to be rectangular.
As shown in fig. 1 to 3, in the present embodiment, one end of the connecting portion 32 away from the door body 2 is attached to the door frame 1.
In this embodiment, the end of the connecting portion 32, which is away from the door body 2, is a quadrangle, and the quadrangle is attached to the door frame 1, so that the water stop strip 3 can be attached to and fixed at a certain position of the door frame 1, and the displacement is not easy to occur, and the sealing performance of the sealing device 100 can be improved.
As shown in fig. 1 and 2, in the present embodiment, the sealing device 100 further includes a fastening member 6, the fastening member 6 is disposed in the gap, and the fastening member 6 fixes the water stop strip 3 to the door frame 1.
In this embodiment, sealing device 100 is still including fastener 6, with fastener 6 setting in the clearance, fastener 6 meets water after, takes place to corrode easily, leads to being difficult to dismantle, and in this embodiment, sealing portion 31 can block the rivers clearance to can make fastener 6 can not corroded by the water, and then the dismantlement when conveniently maintaining sealing rod 3. The water stop strip 3 is fixed to the door frame 1 by the fastening member 6, so that the water stop strip 3 can be fixed to a certain position of the door frame 1 without being easily displaced, and the sealing performance of the sealing device 100 can be improved.
As shown in fig. 1 and 2, in the present embodiment, the wedging portion 4 includes a supporting member 41 and an adjusting member 42, one end of the supporting member 41 is disposed on the door frame 1, the other end of the supporting member 41 is disposed with the adjusting member 42, and the adjusting member 42 is located on a side of the door body 2 away from the door frame 1.
In this embodiment, the door frame 1 is further provided with a side plate 7, the wedging portion 4 includes two parts, namely a supporting member 41 and an adjusting member 42, and the supporting member 41 further includes a first connecting rod and a second connecting rod, one end of the first connecting rod is disposed on the door frame 1 and is connected to the side plate 7, the other end of the first connecting rod is disposed perpendicular to one end of the second connecting rod away from the door body 2, the end of the second connecting rod close to the door body 2 is provided with the adjusting member 42, and the adjusting member 42 is located on a side of the door body 2 away from the door frame 1, so that the wedging portion 4 can find a stable stress point on the door frame 1 through the supporting member 41, the pressure applied to the door body 2 toward the water stop strip 3 is applied through the adjusting member 42 disposed on the other end of the supporting member 41 and located on a side of the door body 2 away from the door frame 1, and the pressure applied to the door body 2 by the wedging portion 4 can be changed through the adjusting member 42, and then can adjust the pressure that needs under the inequality stagnant water effect in a flexible way.
As shown in fig. 1 and 2, in the present embodiment, the sealing device 100 further includes a bead 5, and the bead 5 is disposed between the door body 2 and the adjusting member 42.
In this embodiment, the sealing device 100 further includes a pressing strip 5, and the pressing strip 5 is disposed between the door body 2 and the adjusting piece 42 of the wedging device, the pressing strip 5 is in a strip shape, the adjusting piece 42 abuts against the pressing strip 5, and the pressing strip 5 abuts against the door body 2, so that the pressing strip 5 can uniformly conduct the pressure from the adjusting piece 42 to the door body 2, and further, the door body 2 can be uniformly stressed, the sealing performance of the sealing device 100 is improved, and the door body 2 can not be damaged by the adjusting piece 42 when the pressure is too large.
As shown in fig. 1 and 2, in the present embodiment, the bead 5 is located on the center line of the connecting portion 32, and the length of the connecting portion 32 is not greater than the width of the bead 5 correspondingly disposed on the center line of the connecting portion 32.
In fig. 2, the bead 5 is arranged at a position located at the center line of the connecting portion 32, and the length of the connecting portion 32 is not greater than the width of the bead 5 correspondingly arranged on the center line of the connecting portion 32, so that the adjacent sealing portion 31 of the water stop strip 3, the bead 5 and the wedging portion 4 together form a stable triangular (see a triangular schematic view in fig. 2) stress point, the door body 2 can be reasonably clamped without too much tension, and the door body 2 can conveniently move back and forth between the bead 5 and the water stop strip 3.
As shown in fig. 1 and 2, in the present embodiment, the door body 2 includes a water stop portion 21 and a joint portion 22. The periphery of the water stop portion 21 is provided with a joint portion 22, the thickness of the joint portion 22 is smaller than that of the water stop portion 21, and the joint portion 22 is arranged between the bead 5 and the water stop strip 3.
In this embodiment, the door body 2 includes the stagnant water portion 21 that is located the centre and the joint portion 22 that is located all around, and the thickness of joint portion 22 is less than the thickness of stagnant water portion 21 to only set up joint portion 22 between layering 5 and sealing rod 3, thereby can be convenient for set up layering 5 between regulating part 42 and the door body 2, be convenient for adjust the pressure of applying to the door body 2 through regulating part 42, and then can be convenient for the door body 2 to the back and forth movement between layering 5 and sealing rod 3.
Compared with the sealing structure of the 'P-type' water stop rubber for the common weir door, the sealing device 100 of the embodiment has the following advantages:
the sealing device 100 of the embodiment obviously improves the water stopping effect while ensuring the simple structure;
the sealing device 100 of the present embodiment has a significant advantage in protecting its fastening bolts;
the sealing device 100 of the embodiment is more reasonable in stress, smaller in tension force under different water stopping effects and more suitable for a weir gate which needs to be opened and closed frequently;
the sealing device 100 of the embodiment has two sealing surfaces and can be used for a weir gate needing two-way water stopping.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (10)

1. A seal assembly, comprising:
the door frame is arranged on the side wall of the opening;
the door body is used for plugging the door frame;
the water stop strip is arranged between the door frame and the door body and comprises a connecting part and a plurality of sealing parts, and the sealing parts are arranged on the side surfaces of the connecting part;
and the wedging part is used for pressing the door body on the water stop strip.
2. The sealing device of claim 1, wherein the sealing portions are spaced apart with a gap therebetween.
3. The seal of claim 1, wherein the seal has a through hole therein.
4. The sealing device of claim 1, wherein the sealing portion is cylindrical in cross-section;
and/or the cross section of the connecting part is rectangular.
5. The sealing device according to claim 1, wherein an end of the connecting portion away from the door body is attached to the door frame.
6. The sealing device of claim 2, further comprising a fastener disposed in the gap, the fastener securing the waterstop strip to the door frame.
7. The sealing device according to claim 1, wherein the wedging portion includes a support member and an adjusting member, one end of the support member is disposed on the door frame, the other end of the support member is disposed with the adjusting member, and the adjusting member is disposed on a side of the door body away from the door frame.
8. The seal of claim 7, further comprising a bead disposed between the door body and the conditioning member.
9. The sealing device of claim 8, wherein the bead is located on a centerline of the connecting portion, and wherein the connecting portion has a length no greater than a width of the bead correspondingly disposed on the centerline of the connecting portion.
10. The seal of any one of claims 8 to 9, wherein the door body comprises:
a water stop part;
the periphery of the water stopping portion is provided with the joint portion, the thickness of the joint portion is less than the thickness of the water stopping portion, the joint portion is arranged between the pressing strip and the water stopping strip.
CN202210040767.1A 2022-01-14 2022-01-14 Sealing device Pending CN114351662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210040767.1A CN114351662A (en) 2022-01-14 2022-01-14 Sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210040767.1A CN114351662A (en) 2022-01-14 2022-01-14 Sealing device

Publications (1)

Publication Number Publication Date
CN114351662A true CN114351662A (en) 2022-04-15

Family

ID=81109669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210040767.1A Pending CN114351662A (en) 2022-01-14 2022-01-14 Sealing device

Country Status (1)

Country Link
CN (1) CN114351662A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990003819U (en) * 1997-06-30 1999-01-25 구본철 Hydrograph
CN2412035Y (en) * 2000-04-12 2000-12-27 郑州市阀门集团有限公司 Sluice gate
CN201459685U (en) * 2009-08-24 2010-05-12 黄河勘测规划设计有限公司 Stacked interacted water-stop gate
CN201778316U (en) * 2010-08-30 2011-03-30 南京东润特种橡塑有限公司 Rubber sealing element for water gate
CN202117034U (en) * 2011-06-23 2012-01-18 江苏新浪环保有限公司 Dovetail-shaped rubber bidirectional sealing water-stop gate
CN205062765U (en) * 2015-10-23 2016-03-02 上海北漠建筑工程有限公司 Movable water dam of underground garage
CN205804287U (en) * 2016-07-18 2016-12-14 武汉宏圆达环保科技工程有限公司 A kind of two way seal gate with unilateral double-P type rubber blanket
CN108547267A (en) * 2018-04-23 2018-09-18 江苏大洋环保工程有限公司 A kind of zero leakage pressurized type sealed gate
CN208981288U (en) * 2018-10-12 2019-06-14 艾维环境技术(杭州)有限公司 A kind of sealing element
CN110468800A (en) * 2018-05-11 2019-11-19 江苏润源水务设备有限公司 A kind of hydraulic packing formula steel-slag sand
CN211171855U (en) * 2019-11-01 2020-08-04 山东省水利勘测设计院 Integrated steel gate
CN213805267U (en) * 2020-07-08 2021-07-27 江苏天雨环保集团有限公司 Water production gate adopting adjustable wedging device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990003819U (en) * 1997-06-30 1999-01-25 구본철 Hydrograph
CN2412035Y (en) * 2000-04-12 2000-12-27 郑州市阀门集团有限公司 Sluice gate
CN201459685U (en) * 2009-08-24 2010-05-12 黄河勘测规划设计有限公司 Stacked interacted water-stop gate
CN201778316U (en) * 2010-08-30 2011-03-30 南京东润特种橡塑有限公司 Rubber sealing element for water gate
CN202117034U (en) * 2011-06-23 2012-01-18 江苏新浪环保有限公司 Dovetail-shaped rubber bidirectional sealing water-stop gate
CN205062765U (en) * 2015-10-23 2016-03-02 上海北漠建筑工程有限公司 Movable water dam of underground garage
CN205804287U (en) * 2016-07-18 2016-12-14 武汉宏圆达环保科技工程有限公司 A kind of two way seal gate with unilateral double-P type rubber blanket
CN108547267A (en) * 2018-04-23 2018-09-18 江苏大洋环保工程有限公司 A kind of zero leakage pressurized type sealed gate
CN110468800A (en) * 2018-05-11 2019-11-19 江苏润源水务设备有限公司 A kind of hydraulic packing formula steel-slag sand
CN208981288U (en) * 2018-10-12 2019-06-14 艾维环境技术(杭州)有限公司 A kind of sealing element
CN211171855U (en) * 2019-11-01 2020-08-04 山东省水利勘测设计院 Integrated steel gate
CN213805267U (en) * 2020-07-08 2021-07-27 江苏天雨环保集团有限公司 Water production gate adopting adjustable wedging device

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