CN115262649A - Composite construction's waterproof theftproof well lid - Google Patents
Composite construction's waterproof theftproof well lid Download PDFInfo
- Publication number
- CN115262649A CN115262649A CN202210938802.1A CN202210938802A CN115262649A CN 115262649 A CN115262649 A CN 115262649A CN 202210938802 A CN202210938802 A CN 202210938802A CN 115262649 A CN115262649 A CN 115262649A
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- Prior art keywords
- well lid
- fixedly connected
- waterproof
- rotating rod
- bevel gear
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to the technical field of composite well lids, and discloses a waterproof and antitheft well lid with a composite structure, which comprises a lower well lid, wherein the top of the lower well lid is fixedly connected with a transition cylinder, the top of the transition cylinder is fixedly connected with an upper well lid, a working cavity is formed in the upper well lid, the right side of the top in the working cavity is provided with a battery jar, a driving mechanism is arranged in the upper well lid, an antitheft mechanism is arranged in the lower well lid, the top of the upper well lid is provided with a water leakage hole, the top of the upper well lid is provided with a sealing cover, the driving mechanism comprises a motor, a first belt pulley, a belt, a second belt pulley, a rotating rod and a protection cylinder, and the motor is fixedly connected to the middle of the top of the working cavity. This composite construction's waterproof theftproof well lid through setting up sealed lid, when needs are installed, through placing the battery in the battery jar, uses motor controller to control the motor, removes this moment and puts up and shifts out from well lid left side sealing ring middle part, can install well lid and well inner wall down, prevents to be destroyed.
Description
Technical Field
The invention relates to the technical field of composite well lids, in particular to a waterproof and anti-theft well lid with a composite structure.
Background
Well lid for cover road or at home deep well, prevent that people or object from falling. The material can be divided into a metal well cover, a high-strength fiber cement concrete well cover, a resin well cover and the like. A circular shape is generally used. Can be used for green belts, sidewalks, motor vehicle lanes, wharfs, small lanes and the like.
The application number 202021647109.1 discloses a waterproof and anti-theft well lid, which comprises a well lid body, a water through hole and a well seat, wherein the well seat comprises a well seat platform a and a well seat platform b, the well seat platform a and the well seat platform b are in a step shape, the well seat platform a is positioned above the well seat platform b, and the well lid body is horizontally arranged on the well seat platform a; the waterproof and anti-theft well lid also comprises a hydraulic lifting module and a drainage protection wall; the hydraulic lifting module comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is connected with the hydraulic rod in the vertical direction, the top end of the whole body after connection is connected with the lower end of the well lid body, and the bottom of the whole body after connection is connected with the well base platform b; drainage protective wall is the tubular structure, connects in well lid body lower extreme on the drainage protective wall, the planar contour line that drainage protective wall and well lid body met is tangent with all limbers lower surfaces, and the lower surface of all limbers all is located inside this contour line of drainage protective wall, and hydraulic lifting module upper surface all is located this contour line outside of drainage protective wall. The well lid has excellent waterproof and antitheft functions.
The well lid still has the easy problem of stealing in the above-mentioned application, and is direct directly destroying it when being stolen mostly, leads to the well lid easy to steal, can't imbed in the ground, and is comparatively convenient when leading to taking out the well lid, needs to improve to this problem.
Disclosure of Invention
The invention aims to provide a waterproof and anti-theft well cover with a composite structure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a composite construction's waterproof theftproof well lid, includes well lid down, well lid top fixedly connected with transition section of thick bamboo down, well lid on the fixedly connected with of transition section of thick bamboo top, the working chamber has been seted up in the well lid, the top right side is provided with the battery jar in the working chamber, be provided with actuating mechanism in going up the well lid, be provided with anti-theft mechanism in the well lid down, go up the well lid top and seted up the hole that leaks, it is provided with sealed lid to go up the well lid top.
Actuating mechanism includes motor, first belt pulley, belt, second belt pulley, bull stick and protection section of thick bamboo, motor fixed connection is in the middle of the working chamber top, the motor has the output shaft, first belt pulley fixed connection is in the motor output shaft, belt right-hand member transmission is connected in first belt pulley, second belt pulley transmission is connected in the belt left end, bull stick fixed connection is in second belt pulley center, left side in a transition section of thick bamboo fixed connection is protected to the protection section of thick bamboo.
Preferably, the anti-theft mechanism comprises a first bevel gear, a second bevel gear, a rotating rod, an adjusting screw rod, a ball nut pair, a movable frame and a sealing ring, the first bevel gear is fixedly connected to the bottom end of the rotating rod, the second bevel gear is meshed with the left side of the first bevel gear, the rotating rod is fixedly connected to the middle of the left side of the second bevel gear, the adjusting screw rod is fixedly connected to the left end of the rotating rod, the ball nut pair is fixedly connected to the right side of the front side of the adjusting screw rod, the movable frame is fixedly connected to the outer side of the ball nut pair, and the sealing ring is fixedly connected to the top and the bottom of the left side and the right side of the lower well cover.
Preferably, belt, second belt pulley and bull stick quantity are two, two belt, second belt pulley and bull stick symmetric distribution can make two bull sticks rotate in last well lid left and right sides.
Preferably, first bevel gear, second bevel gear, dwang, accommodate the screw, ball nut are vice and remove a quantity and be two first bevel gear, second bevel gear, dwang, accommodate the screw, ball nut are vice and remove a symmetrical distribution left and right sides in the well lid down, can make two remove a frame and remove simultaneously.
Preferably, the adjusting screw left end is rotated and is connected well lid left side inner wall down, adjusting screw all is provided with the spacing ring near both ends about being close to, can remove the frame and remove and carry out spacing work.
Preferably, the dwang middle part is rotated and is connected with the fixed block, and fixed block bottom fixed connection lower well lid bottom inner wall can support the dwang.
Preferably, it is provided with the waterproof layer to go up the well lid top, the removal frame runs through well lid left side inner wall and sealing ring middle part down and extends to well lid left side down, can be to the inside work of sealing that carries on of well lid down.
Preferably, the bull stick top is rotated and is connected well lid top inner wall, the bull stick bottom runs through well lid bottom left side, transition bobbin top left side, protection section of thick bamboo middle part, transition bobbin bottom left side and well lid top left side down, just the bull stick bottom extends to well lid internal fixation connection first bevel gear down, can make the dwang drive first bevel gear and rotate.
Preferably, the motor is electrically connected to a motor controller.
Compared with the prior art, the invention provides the waterproof and anti-theft well lid with the composite structure, which has the following beneficial effects:
1. this composite construction's waterproof theftproof well lid through setting up sealed lid, when needs are installed, through placing the battery in the battery jar, uses motor controller to control the motor, removes this moment and puts up and shifts out from well lid left side sealing ring middle part, can install well lid and well inner wall down, prevents to be destroyed.
2. This composite construction's waterproof theftproof well lid through setting up the battery jar, can take out the battery after using, through setting up motor cooperation motor controller, has increased the degree of difficulty of stealing, and the thief can't use the motor under the condition that does not have motor controller.
3. This composite construction's waterproof theftproof well lid reverses the motor, can make the removal frame accomodate to well lid inside down, can make well lid, transition section of thick bamboo and last well lid take out in following the well down, the later stage of being convenient for is to the maintenance and overhaul of well.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional front view of the present invention;
FIG. 4 is a schematic view of a second bevel gear cut-out according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 3.
In the figure: 1. a well cover is arranged; 2. a transition cylinder; 3. putting a well cover; 4. a working chamber; 5. a battery case; 6. a drive mechanism; 601. a motor; 602. a first pulley; 603. a belt; 604. a second pulley; 605. a rotating rod; 606. a protective cylinder; 7. an anti-theft mechanism; 701. a first bevel gear; 702. a second bevel gear; 703. rotating the rod; 704. adjusting the screw rod; 705. a ball nut pair; 706. a movable frame; 707. a seal ring; 8. a water leakage hole; 9. and (7) sealing the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a waterproof and anti-theft well lid with a composite structure comprises a lower well lid 1, wherein a transition cylinder 2 is fixedly connected to the top of the lower well lid 1, an upper well lid 3 is fixedly connected to the top of the transition cylinder 2, a working cavity 4 is formed in the upper well lid 3, a battery groove 5 is formed in the right side of the top in the working cavity 4, a driving mechanism 6 is arranged in the upper well lid 3, an anti-theft mechanism 7 is arranged in the lower well lid 1, the anti-theft mechanism 7 comprises a first bevel gear 701, a second bevel gear 702, a rotating rod 703, an adjusting screw rod 704, a ball nut pair 705, a movable frame 706 and a sealing ring 707, the first bevel gear 701 is fixedly connected to the bottom end of the rotating rod 605, the second bevel gear 702 is meshed to the left side of the first bevel gear 701, the rotating rod 703 is fixedly connected to the middle of the left side of the second bevel gear 702, the adjusting screw rod 704 is fixedly connected to the left end of the rotating rod 703, the ball nut pair 705 is fixedly connected to the right side of the front face of the adjusting screw rod 704, the movable frame 706 is fixedly connected to the outer side of the ball nut pair 705, the sealing rings 707 are fixedly connected to the top and the bottom of the left and right sides of the lower well cover 1, the top of the upper well cover 3 is provided with water leakage holes 8, the top of the upper well cover 3 is provided with a sealing cover 9, the first bevel gear 701, the second bevel gear 702, the rotating rod 703, the adjusting screw 704, the ball nut 705 and the moving frame 706 are two, the two first bevel gears 701, the second bevel gears 702, the rotating rod 703, the adjusting screw 704, the ball nut 705 and the moving frame 706 are symmetrically distributed on the left and right sides in the lower well cover 1, so that the two moving frames 706 can move simultaneously, the left end of the adjusting screw 704 is rotatably connected with the left inner wall of the lower well cover 1, the adjusting screw 704 is provided with limiting rings near the left and right ends, so as to limit the movement of the moving frame 706, the middle part of the rotating rod 703 is rotatably connected with a fixing block, the bottom of the fixing block is fixedly connected with the inner wall of the bottom of the lower well cover 1, can support dwang 703, go up the well lid 3 top and be provided with the waterproof layer, remove frame 706 and run through well lid 1 left side inner wall and sealing ring 707 middle part down and extend to well lid 1 left side down, can be to the work of sealing up of well lid 1 inside down.
The driving mechanism 6 comprises a motor 601, a first belt pulley 602, a belt 603, a second belt pulley 604, a rotating rod 605 and a protective cylinder 606, the motor 601 is fixedly connected to the middle of the top of the working chamber 4, the motor 601 has an output shaft, the first belt pulley 602 is fixedly connected to the output shaft of the motor 601, the right end of the belt 603 is in transmission connection with the first belt pulley 602, the second belt pulley 604 is in transmission connection with the left end of the belt 603, the rotating rod 605 is fixedly connected to the center of the second belt pulley 604, the protective cylinder 606 is fixedly connected to the left side in the transition cylinder 2, the number of the belt 603, the number of the second belt pulley 604 and the rotating rod 605 are two, the two belts 603, the second belt pulley 604 and the rotating rod 605 are symmetrically distributed on the left side and the right side in the upper well lid 3, the top ends of the rotating rods 605 are rotatably connected to the inner wall of the top of the upper well lid 3, the bottom ends of the rotating rods 605 penetrate through the left side of the bottom of the upper well lid 3, the left side of the top of the transition cylinder 2, the middle part of the protective cylinder 606, the left side of the bottom of the lower well lid 2 and the left side of the lower well lid 1, the bottom end of the rotating rod 605 extends into the manhole cover 1 and is fixedly connected with the first bevel gear 701, the rotating rod 703 can drive the first bevel gear 701 to rotate, the motor 601 is electrically connected with a motor controller, when the installation is needed, a battery is placed in the battery groove 5, the motor 601 is controlled by the motor controller, at the moment, the moving frame 706 is moved out of the middle part of the left sealing ring 707 of the manhole cover 1, the manhole cover 1 and the inner wall of a well can be installed to prevent the damage, the battery can be taken out after the use by arranging the battery groove 5, the difficulty of theft is increased by arranging the motor 601 to be matched with the motor controller, the motor 601 can not be used by a thief without the motor controller, the motor 601 is reversely rotated, and the moving frame 706 can be accommodated in the manhole cover 1, can make well lid 1, transition section of thick bamboo 2 and last well lid 3 take out from the well down, the later stage of being convenient for is to the maintenance of well.
In the actual operation process, when the device is used and needs to be installed, the battery is placed in the battery slot 5, the motor controller is used for controlling the motor 601, at the moment, the motor 601 drives the first belt pulley 602 to rotate when working, meanwhile, the first belt pulley 602 drives the second belt pulley 604 to rotate through the belt 603 when rotating, the rotating rod 605 is further rotated, the first bevel gear 701 is driven to rotate when the rotating rod 605 rotates, the first bevel gear 701 drives the second bevel gear 702 meshed with the first bevel gear 701 to rotate, meanwhile, the second bevel gear 702 drives the rotating rod 703 to rotate, when the rotating rod 703 rotates, the ball nut pair 705 moves on the adjusting screw rod 704, the moving frame 706 moves out of the middle part of the left sealing ring 707 of the lower well cover 1, the lower well cover 1 can be installed with the inner wall of the well, and damage can be prevented.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element described by the phrase "comprising a. -" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a composite construction's waterproof theftproof well lid, includes well lid (1) down, its characterized in that: the top of the lower well lid (1) is fixedly connected with a transition cylinder (2), the top of the transition cylinder (2) is fixedly connected with an upper well lid (3), a working chamber (4) is formed in the upper well lid (3), a battery jar (5) is arranged on the right side of the top in the working chamber (4), a driving mechanism (6) is arranged in the upper well lid (3), an anti-theft mechanism (7) is arranged in the lower well lid (1), a water leakage hole (8) is formed in the top of the upper well lid (3), and a sealing cover (9) is arranged on the top of the upper well lid (3);
actuating mechanism (6) include motor (601), first belt pulley (602), belt (603), second belt pulley (604), bull stick (605) and protect a section of thick bamboo (606), motor (601) fixed connection is in the middle of working chamber (4) top, motor (601) has the output shaft, first belt pulley (602) fixed connection in motor (601) output shaft, belt (603) right-hand member transmission is connected in first belt pulley (602), second belt pulley (604) transmission is connected in belt (603) left end, bull stick (605) fixed connection is in second belt pulley (604) center, it is left side in transition section of thick bamboo (2) to prevent protecting a section of thick bamboo (606) fixed connection.
2. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 1, wherein: the anti-theft mechanism (7) comprises a first bevel gear (701), a second bevel gear (702), a rotating rod (703), an adjusting screw rod (704), a ball nut pair (705), a moving frame (706) and a sealing ring (707), wherein the first bevel gear (701) is fixedly connected to the bottom end of the rotating rod (605), the second bevel gear (702) is meshed with the left side of the first bevel gear (701), the rotating rod (703) is fixedly connected to the middle of the left side of the second bevel gear (702), the adjusting screw rod (704) is fixedly connected to the left end of the rotating rod (703), the ball nut pair (705) is fixedly connected to the right side of the front face of the adjusting screw rod (704), the moving frame (706) is fixedly connected to the outer side of the ball nut pair (705), and the sealing ring (707) is fixedly connected to the top and the bottom of the left side and the right side of the lower well lid (1).
3. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 1, wherein: the number of the belts (603), the number of the second belt wheels (604) and the number of the rotating rods (605) are two, and the belts (603), the second belt wheels (604) and the rotating rods (605) are symmetrically distributed on the left side and the right side in the upper well cover (3).
4. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 2, wherein: the number of the first bevel gears (701), the second bevel gears (702), the rotating rods (703), the adjusting screw rods (704), the ball nut pairs (705) and the moving frames (706) is two, and the first bevel gears (701), the second bevel gears (702), the rotating rods (703), the adjusting screw rods (704), the ball nut pairs (705) and the moving frames (706) are symmetrically distributed on the left side and the right side in the lower well cover (1).
5. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 2, wherein: adjusting screw (704) left end rotates and connects well lid (1) left side inner wall down, adjusting screw (704) are close to about both ends all to be provided with the spacing ring.
6. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 2, wherein: the rotating rod (703) is connected with the fixed block in the middle part of the rotating rod in a rotating mode, and the bottom of the fixed block is fixedly connected with the inner wall of the bottom of the lower well cover (1).
7. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 2, wherein: go up well lid (3) top and be provided with the waterproof layer, remove frame (706) and run through well lid (1) left side inner wall and sealing ring (707) middle part down and extend to well lid (1) left side down.
8. The waterproof and antitheft manhole cover with a composite structure as claimed in claim 2, wherein: the top end of the rotating rod (605) is rotatably connected with the inner wall of the top of the upper well lid (3), the bottom end of the rotating rod (605) penetrates through the left side of the bottom of the upper well lid (3), the left side of the top of the transition cylinder (2), the middle part of the protection cylinder (606), the left side of the bottom of the transition cylinder (2) and the left side of the top of the lower well lid (1), and the bottom end of the rotating rod (605) extends to the first bevel gear (701) fixedly connected in the lower well lid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938802.1A CN115262649A (en) | 2022-08-05 | 2022-08-05 | Composite construction's waterproof theftproof well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938802.1A CN115262649A (en) | 2022-08-05 | 2022-08-05 | Composite construction's waterproof theftproof well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115262649A true CN115262649A (en) | 2022-11-01 |
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ID=83749072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210938802.1A Pending CN115262649A (en) | 2022-08-05 | 2022-08-05 | Composite construction's waterproof theftproof well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115262649A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100296876A1 (en) * | 2008-01-24 | 2010-11-25 | Cixin Ding | Caisson structures and methods for precisely and stably sinking the caisson structures into ground |
| CN108756518A (en) * | 2018-06-15 | 2018-11-06 | 冯玉凤 | A kind of locking device for locking the door of household appliance |
| CN108798268A (en) * | 2018-07-03 | 2018-11-13 | 温岭市新航产品设计有限公司 | A kind of novel antitheft packing case of twin-lock formula |
| CN211523444U (en) * | 2019-11-20 | 2020-09-18 | 陈涛 | Well lid that road drainage was used |
| CN112432839A (en) * | 2020-11-16 | 2021-03-02 | 芜湖市华峰砂轮有限公司 | Gyration testing arrangement |
| CN215211457U (en) * | 2021-04-30 | 2021-12-17 | 鸡泽县贵泰铸造有限公司 | Anti-backflow well lid with anti-theft function |
-
2022
- 2022-08-05 CN CN202210938802.1A patent/CN115262649A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100296876A1 (en) * | 2008-01-24 | 2010-11-25 | Cixin Ding | Caisson structures and methods for precisely and stably sinking the caisson structures into ground |
| CN108756518A (en) * | 2018-06-15 | 2018-11-06 | 冯玉凤 | A kind of locking device for locking the door of household appliance |
| CN108798268A (en) * | 2018-07-03 | 2018-11-13 | 温岭市新航产品设计有限公司 | A kind of novel antitheft packing case of twin-lock formula |
| CN211523444U (en) * | 2019-11-20 | 2020-09-18 | 陈涛 | Well lid that road drainage was used |
| CN112432839A (en) * | 2020-11-16 | 2021-03-02 | 芜湖市华峰砂轮有限公司 | Gyration testing arrangement |
| CN215211457U (en) * | 2021-04-30 | 2021-12-17 | 鸡泽县贵泰铸造有限公司 | Anti-backflow well lid with anti-theft function |
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