CN211007011U - Impoundment door and flushing system - Google Patents
Impoundment door and flushing system Download PDFInfo
- Publication number
- CN211007011U CN211007011U CN201921004219.3U CN201921004219U CN211007011U CN 211007011 U CN211007011 U CN 211007011U CN 201921004219 U CN201921004219 U CN 201921004219U CN 211007011 U CN211007011 U CN 211007011U
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- door
- sealing
- oil cylinder
- plate
- liquid level
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- Expired - Fee Related
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- 238000011010 flushing procedure Methods 0.000 title description 5
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000009434 installation Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 33
- 238000007689 inspection Methods 0.000 claims description 29
- 238000012806 monitoring device Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003973 irrigation Methods 0.000 claims description 6
- 230000002262 irrigation Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a check door level rinse-system blocks and holds door includes: a door panel; the driving mechanism comprises an oil cylinder, a mounting part and a connecting arm, the oil cylinder and the mounting part are arranged above the back surface of the door plate, one end of the connecting arm is hinged with the back surface of the door plate, the other end of the connecting arm is connected with the mounting part in a switching mode, the telescopic end of the oil cylinder is connected with the connecting arm in a switching mode, in addition, in the closing state of the door plate, the included angle between the back surface of the door plate and the connecting arm is an obtuse angle, and in the opening state of the door; and the sealing assembly comprises sealing pieces and sealing plates, the sealing pieces are arranged on the two sides of the door panel and the edges of the bottom of the door panel, and the sealing pieces are in contact type sealing connection with the sealing plates. The utility model discloses a nominal diameter is its 1.2 times that is suitable for the pipeline pipe diameter, practices thrift installation space, and application scope is wide.
Description
Technical Field
The utility model relates to a drainage technical field, concretely relates to impound door and rinse-system.
Background
The Chinese patent application No. 201420076463.1 is named as a drainage pipeline storage door and comprises a gate arranged in a drainage pipeline, wherein the gate is connected with one end of a rotating arm which is obliquely arranged, the other end of the rotating arm is hinged with a piston rod of a swing oil cylinder, a fixed hinge point is arranged on the rotating arm, the rotating arm 2 comprises an inclined section and a horizontal section which are connected with each other, the gate 1 is fixedly connected with the inclined section, the piston rod of the swing oil cylinder is hinged with the horizontal section, and the fixed hinge point is arranged at the middle position of the horizontal section.
Therefore, when the technical scheme of the patent is applied to a large-size pipe diameter, the required gate is large in size, the large-size gate is heavy in weight, the ratio of the required moment arms is large, in an installation state, the problems of the moment arms and the stroke of the gate need to be considered, the required installation space is large, the construction project is large, and generally, the space is limited by a site and is not used. Therefore, the technical scheme can only be applied to pipelines with smaller pipe diameters, and the application scene is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide a impoundment door and rinse-system, application scope is wide, practices thrift installation space.
The utility model provides a block and hold door, include:
a door panel;
the driving mechanism comprises an oil cylinder, a mounting part and a connecting arm, the oil cylinder and the mounting part are arranged above the back surface of the door plate, one end of the connecting arm is hinged with the back surface of the door plate, the other end of the connecting arm is connected with the mounting part in a switching mode, the telescopic end of the oil cylinder is connected with the connecting arm in a switching mode, in addition, in the closing state of the door plate, the included angle between the back surface of the door plate and the connecting arm is an obtuse angle, and in the opening state of the door;
and the sealing assembly comprises sealing pieces and sealing plates, the sealing pieces are arranged on the two sides of the door panel and the edges of the bottom of the door panel, and the sealing pieces are in contact type sealing connection with the sealing plates.
On the basis of the technical scheme, the installation part comprises a rotating shaft seat and a rotating shaft, the rotating shaft seat is arranged above the door plate, the rotating shaft is rotatably installed on the rotating shaft seat, and one end of the connecting arm is connected with the rotating shaft in a switching mode.
On the basis of the technical scheme, the connecting arm comprises two vertical arms and a plurality of cross arms, the cross arms are arranged between the two vertical arms at intervals, one end of each vertical arm is hinged with the door plate, the other end of each vertical arm is connected with the mounting portion in a switching mode, and the telescopic end of the oil cylinder is connected with the vertical arms in a switching mode.
On the basis of the technical scheme, the door further comprises an auxiliary rotating arm and a hinged support, one end of the auxiliary rotating arm is hinged with the back of the door panel, the other end of the auxiliary rotating arm is hinged with the hinged support, the hinged position of the auxiliary rotating arm and the back of the door panel is located on the lower side of the hinged position of the connecting arm and the back of the door panel, and the back of the door panel is parallel to the auxiliary rotating arm when the door panel is opened.
On the basis of the technical scheme, the edges of the two sides and the bottom of the door panel form a U-shaped shape, and the sealing element and the sealing plate are also U-shaped.
On the basis of the technical scheme, the front panel and the back edge of the door panel form a circle of step, the front side of the door panel is higher than the back side of the door panel, the sealing element comprises a connecting part and a sealing part, the connecting part is fixedly installed on the step through bolts, and the sealing part extends to the outer side of the front panel of the door panel.
The utility model also provides a flushing system, include:
the inspection well is arranged along the pipeline of the pipe culvert;
the intercepting and storing door is arranged in an inspection well, a structure matched with a door plate is arranged in the inspection well, a sealing plate is fixedly arranged on the structure, a mounting part and the fixed end of an oil cylinder are arranged in the inspection well, and the door plate is positioned in the inspection well and vertical to the direction of water flow;
when the door plant was closed, the pipe culvert retaining of interception inspection shaft upper reaches, the door plant is opened, and the pipe culvert of inspection shaft upper reaches is stored water and is washed the pipe culvert of inspection shaft low reaches.
On the basis of the technical scheme, the system further comprises a control system, and the control system comprises:
the liquid level monitoring devices are arranged in front of and behind the door panel and used for monitoring the liquid level values in front of and behind the door panel;
the controller, the liquid level monitoring device and the oil cylinder are respectively connected with the controller, and the controller controls the oil cylinder to act according to the liquid level value monitored by the liquid level monitoring device.
On the basis of the technical scheme, a liquid level difference threshold value is arranged in the controller, the liquid level monitoring device monitors that the liquid level difference value between the front and the back of the door plate reaches the liquid level difference threshold value, the controller controls the telescopic end of the oil cylinder to retract, the door plate is opened, and the telescopic end of the oil cylinder is controlled to extend out and the door plate is closed if the door plate is reversed.
On the basis of the technical scheme, a mounting groove is formed in one side face, close to the door plate, of the structure, and the sealing plate is fixed in the mounting groove through secondary pouring.
Compared with the prior art, the utility model has the advantages as follows:
(1) the utility model discloses a block and hold door, rotate through the hydro-cylinder drive linking arm, the door plant that drives and link arm links to each other rotates, hydro-cylinder and linking arm all set up the top at the door plant back, the flexible end of hydro-cylinder stretches out, door plant clockwise turning 90, the door plant is opened, the back and the linking arm of door plant are the acute angle this moment, the flexible end of hydro-cylinder returns and contracts, the homonymy of door plant, door plant anticlockwise turning 90, the door plant is closed, the back and the linking arm of door plant are the obtuse angle this moment, the door plant sets up perpendicularly, the nominal diameter of blocking the door is its 1.2 times that is suitable for the pipeline pipe diameter, practice thrift.
(2) The utility model discloses a block and hold the door and still be provided with free bearing and vice rocking arm, block and hold under the door user state, the direction of opening of door plant is unanimous with the direction of impact of rivers, at the door plant closed condition, the door plant back is supported with certain angle to vice rocking arm, prevents that rivers from breaking away the door plant for sealing member and closing plate closely laminate, and is sealed effectual, and the hydro-cylinder of door plant closed condition is in the state that returns, avoids the telescopic link of hydro-cylinder to receive the impact force to warp, when increasing the door plant leakproofness, the protection hydro-cylinder.
(3) The utility model discloses a linking arm that blocks and hold door includes the perpendicular arm that the bisymmetry set up and sets up the xarm between two perpendicular arms, and the flexible weak point of two hydro-cylinders links to each other in two perpendicular arms respectively, and the drive is steady, avoids the door plant to warp, and is sealed effectual, reduces the specification of hydro-cylinder, practices thrift the cost.
(4) The utility model discloses a flushing system sets up in the inspection shaft and blocks the door, block when the door closes, the pipe culvert retaining on the upper reaches of block door is impounded, block the door and open the back, the retaining in the upper reaches pipe culvert relies on instantaneous gravitational potential energy to produce the high velocity of flow and washes the pipe culvert in the lower reaches of block door, reach the flushing effect, according to the length of pipe culvert, the interval sets up at least one and blocks the door, highly reach the block door top when the pipe culvert retaining on the upper reaches of block door, can follow the pipe culvert that blocks the overflow of door top to block the door lower reaches, wash the pipe culvert upstream in proper order from the lower reaches.
(5) The utility model discloses a rinse-system still includes control system, according to the liquid level difference value in the door upper reaches of impounding and low reaches, controller control impounding door is opened or is closed, can realize unmanned on duty ground automatic control, and degree of automation is high.
Drawings
Fig. 1 is a schematic structural diagram in the prior art.
Fig. 2 is a schematic side structural view in the closed state of the present embodiment 1.
Fig. 3 is a rear view of fig. 2.
Fig. 4 is a schematic side structural view in the open state of the present embodiment 1.
Fig. 5 is a partially enlarged view of a portion a in fig. 2.
Fig. 6 is a schematic structural view in a use state of the present invention.
Reference numerals:
1-door plate, 2-driving mechanism, 20-oil cylinder, 21-mounting part, 210-rotating shaft seat, 211-rotating shaft, 22-connecting arm, 23-auxiliary rotating arm, 24-hinged seat, 220-vertical arm, 221-cross arm, 3-sealing component, 30-sealing part, 31-sealing plate, 4-inspection well, 40-structure, 41-mounting groove and 5-liquid level meter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 2, 3, 4 and 5, the present invention provides a impoundment door, which comprises a door panel 1, a driving mechanism 2 and a sealing assembly 3.
Specifically, as shown in fig. 2, the door panel 1 in the present embodiment may have a square or semicircular structure or an arc structure, and is made of structural steel or stainless steel, so as to be light, strong and durable.
Specifically, referring to fig. 2 and 3, the driving mechanism 2 includes an oil cylinder 20, a mounting portion 21 and a connecting arm 22, the oil cylinder 20 and the mounting portion 21 are disposed above the back surface of the door panel 1, one end of the connecting arm 22 is hinged to the back surface of the door panel 1, the other end of the connecting arm 22 is connected with the mounting portion 21 in a switching manner, a telescopic end of the oil cylinder 20 is connected with the connecting arm 22 in a switching manner, an included angle between the back surface of the door panel 1 and the connecting arm 22 is an obtuse angle when the door panel 1 is in a closed state, and an included angle between the back surface of the door; in this embodiment, the telescopic rod of the oil cylinder 20 is connected with a part of the connecting arm 22 close to the door panel 1, the telescopic rod of the oil cylinder 20 and the connecting arm 22 form a certain angle, when the telescopic end of the oil cylinder 20 extends out, the door panel 1 rotates clockwise, the door panel 1 and the connecting arm 22 are folded as shown in fig. 4, and when the door panel 1 is closed, the nominal diameter of the retaining door in this embodiment is 1.2 times of the pipe diameter of the applicable pipeline, so that the installation space is saved, and the application range is wide. Taking a pipe diameter of 2 meters as an example, the nominal diameter of the retaining door in the embodiment is 2.4 meters, which is more than 4 meters compared with the nominal diameter of the retaining door in the prior art, and the structural weight and the installation space are both reduced.
Further, referring to fig. 3, the connecting arm 22 in this embodiment includes two vertical arms 220 and a plurality of cross arms 221, the cross arms 221 are disposed between the two vertical arms 220 at intervals, one end of each vertical arm 220 is hinged to the door panel 1, the other end of each vertical arm 220 is connected to the mounting portion 21 in an adapting manner, and the telescopic end of the cylinder 20 is connected to the vertical arm 220 in an adapting manner. The vertical arm 220 in this embodiment is symmetrically arranged with the central line of the central axis of the door panel 1, the two oil cylinders 20 are arranged to be respectively connected with the two vertical arms 220, the two oil cylinders 20 simultaneously control the vertical arm 220 to rotate in a telescopic manner, and for the door panel 1 with larger size or heavier weight, the double oil cylinders 20 are arranged to drive, the driving force is larger, the opening or closing process is stable, and the structural stability is good.
Further, the mounting portion 21 includes a rotating shaft seat 210 and a rotating shaft 211, the rotating shaft seat 210 is disposed above the door panel 1, the rotating shaft 211 is rotatably mounted on the rotating shaft seat 210, and one end of the connecting arm 22 is connected to the rotating shaft 211. The pivot seat 210 in this embodiment is the bearing frame, and pivot 211 rotates and installs in pivot seat 210, and two perpendicular arms 220 rotate and install on pivot 211, bear the weight of door plant 1 through pivot 211, and structural strength is high, and stability is good, easy to assemble.
Specifically, referring to fig. 5, the sealing assembly 3 of the present embodiment includes a sealing member 30 and a sealing plate 31, the sealing member 30 is disposed on edges of both sides and a bottom of the door panel 1, and the sealing member 30 is in contact-type sealing connection with the sealing plate 31. In the embodiment, the two sides and the bottom edge of the door panel 1 form a "U" shape, the sealing member 30 and the sealing plate 31 also form a "U" shape, and the shape and the structure of the sealing member 30 and the sealing plate 31 are both matched with the shape and the structure of the door panel 1, so that the sealing effect is achieved. The front panel and the back edgewise of door plant 1 form the round step, and door plant 1 front side is higher than door plant 1 back side, and sealing member 30 includes connecting portion and sealing, and this connecting portion pass through bolt fixed mounting on this step, and the sealing extends to the outside of the front panel of door plant 1, and the cross-section of sealing is between the edge that the arc is located the front panel of door plant 1 and closing plate 31, and is sealed with closing plate 31 line contact, and seal structure is simple, and is sealed effectual, simple to operate.
Furthermore, the impounding door of the embodiment further comprises an auxiliary rotating arm 23 and a hinged support 24, wherein one end of the auxiliary rotating arm 23 is hinged to the back surface of the door panel 1, the other end of the auxiliary rotating arm 23 is hinged to the hinged support 24, the position where the auxiliary rotating arm 23 is hinged to the back surface of the door panel 1 is located below the position where the connecting arm 22 is hinged to the back surface of the door panel 1, and in the open state of the door panel 1, the back surface of the door panel 1 is arranged in parallel with the auxiliary rotating arm 23. The water blocking and storing door is used, the opening direction of the door plate is consistent with the impact direction of water flow, the auxiliary rotating arm is abutted to the back face of the door plate at a certain angle in the closing state of the door plate, the water flow is prevented from rushing open the door plate, the sealing piece is tightly attached to the sealing plate, the sealing effect is good, the oil cylinder in the closing state of the door plate is in a retraction state, the telescopic rod of the oil cylinder is prevented from being deformed by impact force, and the oil cylinder is protected while the sealing performance of the door.
Example 2
Referring to fig. 1 to 6, the present embodiment 2 provides an irrigation system, including:
the pipe culvert is provided with the inspection wells 4 along the line, in the embodiment, at least one inspection well 4 is arranged along the line according to the length of the pipe culvert, the pipe culvert is divided into a plurality of sections, and the pipe culvert is washed in sections, so that the washing effect is good;
the impounding door of the embodiment 1 is installed in an inspection well 4, a structure 40 matched with a door plate 1 is arranged in the inspection well 4, a sealing plate 31 is fixedly installed on the structure 40, an installation part 21 and a fixed end of an oil cylinder 20 are installed in the inspection well 4, and the door plate 1 is positioned in the inspection well 4 and is vertical to the water flow direction;
when door plant 1 closed, the pipe culvert of interception inspection shaft 4 upper reaches is impounded, and door plant 1 is opened, and the pipe culvert of 4 upper reaches of inspection shaft is impounded and is washed the pipe culvert of 4 lower reaches of inspection shaft. When a plurality of inspection wells are arranged along the length direction of the pipe culvert, the retaining door is opened from the downstream to the upstream in sequence, the pipe culvert is washed from the downstream to the upstream in sequence, the retaining door is simple in structure and small in installation space, the installation part 21 of the retaining door and the oil cylinder are installed in the inspection wells, the wall-attached installation is adopted, the installation structure is simple, and the maintenance is simple and convenient. A mounting groove 41 is formed in one side of the structure 40 adjacent to the door panel 1, and the sealing plate 31 is fixed in the mounting groove by secondary casting. The sealing plate 31 is of an integral structure with the structure 40 through secondary pouring after being leveled, so that gap water leakage between the sealing plate 31 and the structure 40 is avoided, the sealing effect is good, the structure is simple, and the installation is convenient.
Further, the irrigation system further comprises a control system comprising:
the liquid level monitoring devices are arranged in front of and behind the door plate 1 and used for monitoring the liquid level values in front of and behind the door plate 1, as shown in fig. 6, the liquid level monitoring devices in the embodiment adopt liquid level meters 5, and the type selection of the liquid level meters 5 is according to the type selection manual of the Siemens ultrasonic liquid level meter;
the controller, the liquid level monitoring device and the oil cylinder 20 are respectively connected with the controller, the controller controls the oil cylinder 20 to act according to a liquid level value monitored by the liquid level monitoring device, wherein a liquid level difference threshold value is arranged in the controller, the liquid level monitoring device monitors that a liquid level difference value between the front and the back of the door plate 1 reaches the liquid level difference threshold value, the controller controls the telescopic end of the oil cylinder 20 to retract, the door plate 1 is opened and is reversed, the telescopic end of the oil cylinder 20 is controlled to extend, and the door plate 1 is closed.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (10)
1. A impoundment door, comprising:
a door panel (1);
the door plate driving device comprises a driving mechanism (2), wherein the driving mechanism (2) comprises an oil cylinder (20), an installation part (21) and a connecting arm (22), the oil cylinder (20) and the installation part (21) are arranged above the back surface of the door plate (1), one end of the connecting arm (22) is hinged to the back surface of the door plate (1), the other end of the connecting arm (22) is connected with the installation part (21) in a switching mode, the telescopic end of the oil cylinder (20) is connected with the connecting arm (22) in a switching mode, in addition, in the closed state of the door plate (1), the included angle between the back surface of the door plate (1) and the connecting arm (22) is an obtuse angle, and in the open state of;
and the sealing assembly (3) comprises sealing pieces (30) and sealing plates (31), the sealing pieces (30) are arranged on the edges of the two sides and the bottom of the door panel (1), and the sealing pieces (30) are in contact type sealing connection with the sealing plates (31).
2. A impoundment door as recited in claim 1, wherein: installation department (21) including pivot seat (210) and pivot (211), pivot seat (210) set up in the top of door plant, pivot (211) are rotated and are installed on pivot seat (210), and the one end and the pivot (211) switching of linking arm (22).
3. A impoundment door as recited in claim 1, wherein: the connecting arm (22) comprises two vertical arms (220) and a plurality of cross arms (221), the cross arms (221) are arranged between the two vertical arms (220) at intervals, one end of each vertical arm (220) is hinged to the door plate (1), the other end of each vertical arm is connected with the mounting portion (21) in a switching mode, and the telescopic end of the oil cylinder (20) is connected with the vertical arms (220) in a switching mode.
4. A impoundment door as recited in claim 1, wherein: the door panel is characterized by further comprising an auxiliary rotating arm (23) and a hinged support (24), wherein one end of the auxiliary rotating arm (23) is hinged to the back of the door panel (1), the other end of the auxiliary rotating arm is hinged to the hinged support (24), the hinged position of the auxiliary rotating arm (23) and the back of the door panel (1) is located on the lower side of the hinged position of the connecting arm (22) and the back of the door panel (1), and the back of the door panel (1) is parallel to the auxiliary rotating arm (23) in the opening state of the door panel (1).
5. A impoundment door as recited in claim 1, wherein: the two sides and the edge of the bottom of the door panel (1) form a U shape, and the sealing element (30) and the sealing plate (31) also form a U shape.
6. A impoundment door as recited in claim 5, wherein: the front panel and the back of door plant (1) along the edge form a round step, and door plant (1) front side is higher than door plant (1) back side, and sealing member (30) include connecting portion and sealing, and this connecting portion pass through bolt fixed mounting on this step, and the sealing extends to the outside of door plant (1) front panel.
7. An irrigation system, comprising:
the pipe culvert is provided with an inspection well (4) along the line of the pipe culvert;
the impoundment door of any one of claims 1 to 6, which is installed in an inspection shaft (4), a structure (40) used in cooperation with the door plate (1) is arranged in the inspection shaft (4), the sealing plate (31) is fixedly installed on the structure (40), the installation part (21) and the fixed end of the oil cylinder (20) are installed in the inspection shaft (4), and the door plate (1) is positioned in the inspection shaft (4) and is perpendicular to the water flow direction;
when door plant (1) were closed, the pipe culvert of interception inspection shaft (4) upper reaches was impounded, and door plant (1) is opened, and the pipe culvert of inspection shaft (4) upper reaches is impounded and is washed inspection shaft (4) low reaches pipe culvert.
8. The irrigation system of claim 7, further comprising a control system comprising:
the liquid level monitoring devices are arranged in front of and behind the door panel (1) and are used for monitoring the liquid level values in front of and behind the door panel (1);
the controller, the liquid level monitoring device and the oil cylinder (20) are respectively connected with the controller, and the controller controls the oil cylinder (20) to act according to the liquid level value monitored by the liquid level monitoring device.
9. The irrigation system of claim 8, wherein: a liquid level difference threshold value is arranged in the controller, the liquid level monitoring device monitors that a liquid level difference value of the front portion and the back portion of the door plate (1) reaches the liquid level difference threshold value, the controller controls the telescopic end of the oil cylinder (20) to retract, the door plate (1) is opened, and if the door plate (1) is reversed, the telescopic end of the oil cylinder (20) is controlled to extend out, and the door plate (1) is closed.
10. The irrigation system of claim 7, wherein: one side surface of the structure (40) close to the door plate (1) is provided with a mounting groove (41), and the sealing plate (31) is fixed in the mounting groove through secondary pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004219.3U CN211007011U (en) | 2019-06-28 | 2019-06-28 | Impoundment door and flushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004219.3U CN211007011U (en) | 2019-06-28 | 2019-06-28 | Impoundment door and flushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211007011U true CN211007011U (en) | 2020-07-14 |
Family
ID=71471559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921004219.3U Expired - Fee Related CN211007011U (en) | 2019-06-28 | 2019-06-28 | Impoundment door and flushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211007011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761395A (en) * | 2019-11-27 | 2020-02-07 | 汩鸿（上海）环保工程设备有限公司 | Large-scale impoundment washing door |
-
2019
- 2019-06-28 CN CN201921004219.3U patent/CN211007011U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761395A (en) * | 2019-11-27 | 2020-02-07 | 汩鸿（上海）环保工程设备有限公司 | Large-scale impoundment washing door |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |