CN111764340A - Drop type water flow guiding device - Google Patents

Drop type water flow guiding device Download PDF

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Publication number
CN111764340A
CN111764340A CN202010653565.5A CN202010653565A CN111764340A CN 111764340 A CN111764340 A CN 111764340A CN 202010653565 A CN202010653565 A CN 202010653565A CN 111764340 A CN111764340 A CN 111764340A
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China
Prior art keywords
plate
fixedly connected
guide
collecting box
water collecting
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CN202010653565.5A
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Chinese (zh)
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CN111764340B (en
Inventor
李章六
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Jiaxing Dingshan Information Technology Co.,Ltd.
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李章六
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Priority to CN202010653565.5A priority Critical patent/CN111764340B/en
Publication of CN111764340A publication Critical patent/CN111764340A/en
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Publication of CN111764340B publication Critical patent/CN111764340B/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Barrages (AREA)

Abstract

The invention relates to the technical field of drop type water flow guiding, in particular to a drop type water flow guiding device, which comprises a J-shaped guiding main board, wherein one side of the guiding main board is provided with a J-shaped guiding auxiliary board, the guiding auxiliary board is provided with a drain hole, the lower end of the guiding auxiliary board is provided with a water collecting box, the water collecting box is provided with a plurality of rotary drums, the tops of the rotary drums are contacted with the guiding auxiliary board, the lower end of the water collecting box is fixedly connected with a drain pipe and a first support rod, one side of the drain pipe is provided with a first support rod, and the upper end of the drain pipe extends into the inner cavity of the water collecting box. Part rivers can not directly fall on the direction mainboard to reduce the impact damage of rivers to the direction mainboard.

Description

Drop type water flow guiding device
Technical Field
The invention relates to the technical field of drop height type water flow guiding, in particular to a drop height type water flow guiding device.
Background
The drop type water flow in the prior art has certain impact influence on the bearing body, namely, the smooth arc-shaped plate body is arranged at the drainage section of a dam or a reservoir, so that the drop impact of the water flow is buffered, and the arc-shaped plate body is still influenced in the past.
If the invention can provide a guide device for dealing with the situation that the water flow falls too hard in the flood season, the problem can be solved, and a drop type water flow guide device is provided for the purpose.
Disclosure of Invention
The present invention is directed to a drop height type water flow guiding device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a drop type water flow guiding device comprises a J-shaped guiding main board, wherein a J-shaped guiding auxiliary board is arranged on one side of the guiding main board, a drain hole is formed in the guiding auxiliary board, a water collecting box is arranged at the lower end of the guiding auxiliary board, a plurality of rotary drums are arranged on the water collecting box, the tops of the rotary drums are in contact with the guiding auxiliary board, a drain pipe and a first supporting rod are fixedly connected to the lower end of the water collecting box, a first supporting rod is arranged on one side of the drain pipe, the upper end of the drain pipe extends into the inner cavity of the water collecting box, one end of the first supporting rod is fixedly connected with the outer wall of the water collecting box, the other end of the first supporting rod is fixedly connected with the guiding main board, a plurality of uniformly distributed drain holes are formed in the bending position of the guiding auxiliary board, the other end of the guiding auxiliary board is L-shaped and is fixedly connected with a guiding rod, one end of the support rod is fixedly connected with the guide main board, the top of the guide main board is provided with a trapezoidal cylindrical control cylinder, a support column is fixedly connected between the guide main board and the control cylinder, one side of the water gathering box is provided with a gear, the upper end of the gear is in transmission connection with the guide auxiliary board, a shaft rod penetrates through the middle part of the gear, two sides of the gear are respectively provided with a side ear plate, one end of each side ear plate is fixedly connected with the outer wall of the water gathering box, the end part of the shaft rod penetrates through a through hole formed in the side ear plate, the lower end of the gear is fixedly connected with a transverse plate, one end of the transverse plate is fixedly connected with the water gathering box, a worm penetrates through the transverse plate, one end of the worm is in meshing connection with the gear, the upper surface of the guide main board is provided with a cylindrical groove, a pressure disc and a rubber bag are arranged in the cylindrical groove of the guide main, fixedly connected with a plurality of evenly distributed's spring leaf one in the inner chamber of rubber bag, the embedding has straight tube and control box in the direction mainboard, the lower extreme fixedly connected with control box of straight tube, the control box lower extreme extends to the direction mainboard outside, be provided with the pneumatic valve in the inner chamber of straight tube, be provided with bellows, lift post and conductor block in the inner chamber of control box, the upper end fixedly connected with bellows of lift post, the lower extreme fixed connection conductor block of lift post, conductor block lower extreme is provided with the metal hook, and the metal hook runs through the casing of control box.
Preferably, the pneumatic valve includes an interception section of thick bamboo, rubber ball and baffle, the upper end of rubber ball is provided with an interception section of thick bamboo, and the lower extreme of rubber ball is provided with the baffle, an interception section of thick bamboo and baffle are fixed on the inner wall of straight tube, an interception section of thick bamboo shape is offered a plurality of evenly distributed's through-hole for plectane and plate body, the baffle is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's L type lumen.
Preferably, a plurality of tooth sockets which are uniformly distributed are formed in the lower bottom surface of the guide auxiliary plate, the tooth sockets on the guide auxiliary plate are in meshed connection with the gear, a protruding ring is fixedly sleeved on the thin rod of the worm, the worm penetrates through a through hole formed in the transverse plate, and the protruding ring on the worm is arranged in a disc cavity formed in the transverse plate in a matched mode.
Preferably, the lifting column is cylindrical, the lifting column and the corrugated pipe are movably sleeved in an inner cavity of the control box, one end of the straight pipe extends into the inner cavity of the corrugated pipe, and the spring piece is in a wave plate shape.
Preferably, the outer wall of the lifting column is provided with a plurality of uniformly distributed protruding sliding blocks, the protruding sliding blocks are provided with T-shaped grooves, the T-shaped grooves of the protruding sliding blocks are provided with second spring pieces in a matching manner, one ends of the protruding sliding blocks extend into sliding grooves formed in the inner wall of the cylindrical groove of the control box, and the second spring pieces partially protrude into cambered grooves formed in the bottom surface of the sliding grooves of the control box.
Preferably, the shape of the water collecting box is a square box body, the top of the water collecting box is provided with a plate-shaped hole, the rotary drum is arranged in a prismatic table groove formed in the shell of the water collecting box, the middle part of the rotary drum is movably sleeved with the central shaft, the end part of the central shaft is fixedly connected with the inner wall of the prismatic table groove of the water collecting box, and the drain hole is in a circular plate through hole shape.
Compared with the prior art, the invention has the beneficial effects that:
1. the structure design of the invention realizes that the falling water flow in the control cylinder acts on the guide main board, once the water flow is too large and the impact is too violent, the motor driving mechanism is triggered to work, so that the guide auxiliary board is controlled to move transversely, the guide auxiliary board moves until the guide auxiliary board is contacted with the guide main board, the falling water flow is intercepted by the guide auxiliary board, and partial water flow cannot directly fall on the guide main board, thereby reducing the impact damage of the water flow to the guide main board;
2. the device realizes the control transmission of air current through the airtight intercommunication design of rubber bag, straight tube and bellows, and then realizes the detection to rivers whereabouts impact strength, and the function is stable powerful.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram at B in fig. 1.
In the figure: the device comprises a main guide plate 1, an auxiliary guide plate 2, a water discharge hole 3, a water collecting box 4, a rotary drum 5, a water discharge pipe 6, a first support rod 7, a water discharge hole 8, a guide rod 9, an outer cylinder 10, a second support rod 11, a control cylinder 12, a support column 13, a gear 14, a shaft rod 15, a side ear plate 16, a transverse plate 17, a worm 18, a pressure disc 19, a rubber bag 20, a first spring piece 21, a straight tube 22, a control box 23, a 24 air valve 25, a corrugated tube 25, a lifting column 26, a conductor block 27, a metal hook 28, an interception cylinder 29, a rubber ball 30, a partition plate 31, a convex sliding block 32 and a.
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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a drop type water flow guiding device comprises a J-shaped guiding main board 1, one side of the guiding main board 1 is provided with a J-shaped guiding auxiliary board 2, a drain hole 3 is arranged on the guiding auxiliary board 2, the lower end of the guiding auxiliary board 2 is provided with a water collecting box 4, the water collecting box 4 is provided with a plurality of rotary drums 5, the tops of the rotary drums 5 are contacted with the guiding auxiliary board 2, the lower end of the water collecting box 4 is fixedly connected with a drain pipe 6 and a first support rod 7, one side of the drain pipe 6 is provided with a first support rod 7, the upper end of the drain pipe 6 extends into the inner cavity of the water collecting box 4, one end of the first support rod 7 is fixedly connected with the outer wall of the water collecting box 4, the other end of the first support rod 7 is fixedly connected with the guiding main board 1, a plurality of uniformly distributed drain holes 8 are arranged at the bending position of the guiding auxiliary board 2, the other end, an outer cylinder 10 is sleeved on the guide rod 9, a support rod II 11 is fixedly connected to one side of the outer cylinder 10, one end of the support rod II 11 is fixedly connected with the guide main board 1, a trapezoidal cylindrical control cylinder 12 is arranged at the top of the guide main board 1, a support column 13 is fixedly connected between the guide main board 1 and the control cylinder 12, a gear 14 is arranged at one side of the water collection box 4, the upper end of the gear 14 is in transmission connection with the guide auxiliary board 2, a shaft rod 15 penetrates through the middle of the gear 14, two side lug plates 16 are respectively arranged at two sides of the gear 14, one end of each side lug plate 16 is fixedly connected with the outer wall of the water collection box 4, the end part of the shaft rod 15 penetrates through a through hole formed in each side lug plate 16, a transverse plate 17 is fixedly connected with the lower end of the gear 14, one end of the transverse plate 17 is fixedly connected with the water collection box 4, a worm 18 penetrates through the transverse plate 17, one end of the worm 18 is in meshing, the lower end of the pressure plate 19 is fixedly connected with a rubber bag 20, the lower end of the rubber bag 20 is fixedly connected with the bottom surface of a cylindrical groove of the guide main plate 1, a plurality of uniformly distributed spring pieces 21 are fixedly connected in the inner cavity of the rubber bag 20, a straight pipe 22 and a control box 23 are embedded in the guide main plate 1, the lower end of the straight pipe 22 is fixedly connected with the control box 23, the lower end of the control box 23 extends out of the guide main plate 1, an air valve 24 is arranged in the inner cavity of the straight pipe 22, a corrugated pipe 25, a lifting column 26 and a conductor block 27 are arranged in the inner cavity of the control box 23, the upper end of the lifting column 26 is fixedly connected with the corrugated pipe 25, the lower end of the lifting column 26 is fixedly connected with a conductor block 27, the lower end of the conductor block 27 is provided with a metal hook 28, the metal hook 28 penetrates through the shell of the control box 23, referring to figure 1, the lower end of the water discharge pipe 6 extends to the final gathering place of water flow, referring to fig. 3, one end of the worm 18 is connected with a motor driving mechanism in the prior art, a circuit for controlling the motor to work is arranged at the position of the metal hook 28, specifically, the lower end of the metal hook 28 is connected with a lead wire, the lead wire is a part of the motor driving circuit in the prior art, and the circuit communication can be realized by contacting the two metal hooks 28 with the conductor block 27, so as to control the rotation of the worm 18.
The air valve 24 comprises an intercepting cylinder 29, a rubber ball 30 and a partition plate 31, the intercepting cylinder 29 is arranged at the upper end of the rubber ball 30, the partition plate 31 is arranged at the lower end of the rubber ball 30, the intercepting cylinder 29 and the partition plate 31 are fixed on the inner wall of the straight pipe 22, the intercepting cylinder 29 is in a circular plate shape, a plurality of uniformly distributed through holes are formed in the plate body, and a plurality of uniformly distributed L-shaped pipe cavities are annularly arranged on the partition plate 31.
The lower bottom surface of the guide auxiliary plate 2 is provided with a plurality of tooth grooves which are uniformly distributed, the tooth grooves on the guide auxiliary plate 2 are meshed with the gear 14, a thin rod of the worm 18 is fixedly sleeved with a convex ring, the worm 18 penetrates through a through hole formed in the transverse plate 17, and the convex ring on the worm 18 is arranged in a disc cavity formed in the transverse plate 17 in a matching manner.
The lifting column 26 is cylindrical, the lifting column 26 and the corrugated pipe 25 are movably sleeved in the inner cavity of the control box 23, one end of the straight pipe 22 extends into the inner cavity of the corrugated pipe 25, and the first spring piece 21 is in a wavy plate shape.
A plurality of protruded sliding blocks 32 which are uniformly distributed are arranged on the fixed ring on the outer wall of the lifting column 26, a T-shaped groove is formed in each protruded sliding block 32, a second spring piece 33 is arranged in the T-shaped groove of each protruded sliding block 32 in a matching mode, one end of each protruded sliding block 32 extends into a sliding groove formed in the inner wall of the cylindrical groove of the control box 23, and the second spring piece 33 partially protrudes into an arc-surface groove formed in the bottom surface of the sliding groove of the control box 23.
The shape of the water collecting box 4 is a square box body, a plate-shaped hole is formed in the top of the water collecting box 4, the rotary drum 5 is arranged in a frustum groove formed in the shell of the water collecting box 4, the middle of the rotary drum 5 is movably sleeved with a central shaft, the end part of the central shaft is fixedly connected with the inner wall of the frustum groove of the water collecting box 4, and the water drain hole 3 is a circular plate through hole.
The working principle is as follows: the water flow falls into the control cylinder 12, the water flow is primarily guided by the control cylinder 12 and falls onto the guide main board 1, if the water flow is too large, the water flow impacts the pressure disc 19 to force the pressure disc 19 to descend, the pressure disc 19 presses the rubber bag 20 to extrude the air in the rubber bag 20, the air flow flows into the corrugated pipe 25 through the straight pipe 22, the corrugated pipe 25 expands and deforms, the air pressure pushes the lifting column 26 to move, the lifting column 26 moves to drive the conductor block 27, the conductor block 27 is contacted with the two metal hooks 28, the circuit of the trigger motor driving mechanism is communicated, the motor drives the worm 18 to rotate, the worm 18 drives the gear 14 to rotate, the gear 14 drives the guide auxiliary board 2, the guide auxiliary board 2 moves to be close to the guide main board 1 until the guide main board 1 is contacted with the guide auxiliary board 2, so that part of the water flow in the control cylinder 12 falls onto the guide auxiliary board 2, and the other part of the water flow continuously falls onto the guide main, the water flow on the guide auxiliary plate 2 flows into the water collecting box 4 through the drain hole 3 and is drained through the drain pipe 6, so that the guide auxiliary plate 2 shares part of falling water flow, the impact on the guide main plate 1 caused by high-intensity impact is avoided, the stable contact between the guide body block 27 and the metal hook 28 is ensured through the design of the air valve 24, the water flow fluctuation impacts the pressure plate 19, the first spring piece 21 rebounds to push the rubber bag 20, the rubber bag 20 is restored to a full state, the air flow flows reversely in the straight pipe 22, the air flow can only pass through the L-shaped pipe cavity on the intercepting cylinder 29, a certain time is needed, the flexible contraction of the corrugated pipe 25 is avoided, and the stable contact between the guide body block 27 and the metal hook 28 is.
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 (6)

1. The utility model provides a drop formula rivers guiding device, includes direction mainboard (1) of J style of calligraphy, its characterized in that: a J-shaped guide auxiliary plate (2) is arranged on one side of the guide main plate (1), a drain hole (3) is formed in the guide auxiliary plate (2), a water collecting box (4) is arranged at the lower end of the guide auxiliary plate (2), a plurality of rotary drums (5) are arranged on the water collecting box (4), the top of each rotary drum (5) is in contact with the guide auxiliary plate (2), a drain pipe (6) and a support rod I (7) are fixedly connected to the lower end of the water collecting box (4), a support rod I (7) is arranged on one side of the drain pipe (6), the upper end of the drain pipe (6) extends into an inner cavity of the water collecting box (4), one end of the support rod I (7) is fixedly connected with the outer wall of the water collecting box (4), the other end of the support rod I (7) is fixedly connected with the guide main plate (1), a plurality of uniformly distributed drain holes (8) are formed in the bending, the other end of the guide auxiliary plate (2) is L-shaped bent, the end part of the guide auxiliary plate (2) is fixedly connected with a guide rod (9), an outer cylinder (10) is sleeved on the guide rod (9), one side of the outer cylinder (10) is fixedly connected with a support rod II (11), one end of the support rod II (11) is fixedly connected with the guide main board (1), the top of the guide main board (1) is provided with a trapezoidal cylindrical control cylinder (12), a support column (13) is fixedly connected between the guide main board (1) and the control cylinder (12), one side of the water collection box (4) is provided with a gear (14), the upper end of the gear (14) is in transmission connection with the guide auxiliary plate (2), a shaft rod (15) penetrates through the middle part of the gear (14), two sides of the gear (14) are respectively provided with a side ear plate (16), one end of each side ear plate (16) is fixedly connected with the outer, the end part of the shaft lever (15) penetrates through a through hole formed in a side ear plate (16), the lower end of the gear (14) is fixedly connected with a transverse plate (17), one end of the transverse plate (17) is fixedly connected with the water collecting box (4), a worm (18) penetrates through the transverse plate (17), one end of the worm (18) is meshed with the gear (14), a cylindrical groove is formed in the upper surface of the guide main plate (1), a pressure disc (19) and a rubber bag (20) are arranged in the cylindrical groove of the guide main plate (1), the lower end of the pressure disc (19) is fixedly connected with the rubber bag (20), the lower end of the rubber bag (20) is fixedly connected with the bottom surface of the cylindrical groove of the guide main plate (1), a plurality of uniformly distributed spring pieces (21) are fixedly connected in the inner cavity of the rubber bag (20), a straight pipe (22) and a control box (23) are embedded in the guide main plate (1, the lower extreme fixedly connected with control box (23) of straight tube (22), control box (23) lower extreme extend to direction mainboard (1) outside, be provided with pneumatic valve (24) in the inner chamber of straight tube (22), be provided with bellows (25), lift post (26) and conductor block (27) in the inner chamber of control box (23), the upper end fixedly connected with bellows (25) of lift post (26), the lower extreme fixed connection conductor block (27) of lift post (26), conductor block (27) lower extreme is provided with metal hook (28), and metal hook (28) run through the casing of control box (23).
2. The drop height type water flow guiding device of claim 1, wherein: the pneumatic valve (24) is including intercepting a section of thick bamboo (29), rubber ball (30) and baffle (31), the upper end of rubber ball (30) is provided with an interception section of thick bamboo (29), and the lower extreme of rubber ball (30) is provided with baffle (31), an interception section of thick bamboo (29) and baffle (31) are fixed on the inner wall of straight tube (22), a plurality of evenly distributed's through-hole has been seted up for on circular plate and the plate body to interception section of thick bamboo (29) shape, it is equipped with a plurality of evenly distributed's L type lumen to encircle on baffle (31).
3. The drop height type water flow guiding device of claim 1, wherein: the lower bottom surface of the guide auxiliary plate (2) is provided with a plurality of tooth grooves which are uniformly distributed, the tooth grooves on the guide auxiliary plate (2) are meshed with the gear (14), a thin rod of the worm (18) is fixedly sleeved with a bulge ring, the worm (18) penetrates through a through hole formed in the transverse plate (17), and the bulge ring on the worm (18) is arranged in a disc cavity formed in the transverse plate (17) in a matching manner.
4. The drop height type water flow guiding device of claim 1, wherein: the lifting column (26) is cylindrical, the lifting column (26) and the corrugated pipe (25) are movably sleeved in an inner cavity of the control box (23), one end of the straight pipe (22) extends into the inner cavity of the corrugated pipe (25), and the first spring piece (21) is wavy and plate-shaped.
5. The drop height type water flow guiding device of claim 1, wherein: the lifting column is characterized in that a plurality of protruded sliding blocks (32) which are uniformly distributed are fixedly arranged on the outer wall of the lifting column (26), a T-shaped groove is formed in each protruded sliding block (32), a second spring piece (33) is arranged in the T-shaped groove of each protruded sliding block (32) in a matching mode, one end of each protruded sliding block (32) extends into a sliding groove formed in the inner wall of a cylindrical groove of the control box (23), and the second spring piece (33) partially protrudes into an arc surface groove formed in the bottom surface of the sliding groove of the control box (23).
6. The drop height type water flow guiding device of claim 1, wherein: the shape of the water collecting box (4) is a square box body, a plate-shaped hole is formed in the top of the water collecting box (4), the rotary drum (5) is arranged in a prismatic table groove formed in the shell of the water collecting box (4), the middle of the rotary drum (5) is movably sleeved with the central shaft, the end part of the central shaft is fixedly connected with the inner wall of the prismatic table groove of the water collecting box (4), and the drain hole (3) is a circular plate through hole.
CN202010653565.5A 2020-07-08 2020-07-08 Drop type water flow guiding device Active CN111764340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010653565.5A CN111764340B (en) 2020-07-08 2020-07-08 Drop type water flow guiding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010653565.5A CN111764340B (en) 2020-07-08 2020-07-08 Drop type water flow guiding device

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Publication Number Publication Date
CN111764340A true CN111764340A (en) 2020-10-13
CN111764340B CN111764340B (en) 2021-12-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484328A (en) * 2020-12-25 2021-03-12 李婷婷 Shallow geothermal energy city application energy-saving corollary equipment
CN112776565A (en) * 2021-01-13 2021-05-11 山东水利技师学院(山东省水利职工大学) Car roof ventilation structure
CN113936861A (en) * 2021-12-15 2022-01-14 深圳乐能电子有限公司 Electrolytic treatment device for surface coating of vehicle-mounted USB charging cable

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CN109469034A (en) * 2018-11-14 2019-03-15 衡阳博思科技有限公司 A kind of urban river rubbish fishing device
CN109778983A (en) * 2019-03-29 2019-05-21 厦门大学嘉庚学院 Rainwater-collecting part flow arrangement and its working method
CN209603033U (en) * 2019-01-14 2019-11-08 蚌埠学院 A kind of experiment river model of open channel
CN210289499U (en) * 2019-06-10 2020-04-10 江苏利恒幕墙科技有限公司 Foot-controlled door and window
CN210840994U (en) * 2019-11-11 2020-06-26 孙科源 Three-dimensional all-round planting fence anti-overflow water irrigation equipment

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Publication number Priority date Publication date Assignee Title
US6884001B1 (en) * 2003-02-07 2005-04-26 Robert J. Dunn Farm pond sediment diverter
CN103835259A (en) * 2014-03-07 2014-06-04 浙江省水利河口研究院 Water stabilizing and flow adjusting device and flow adjusting method thereof
CN109469034A (en) * 2018-11-14 2019-03-15 衡阳博思科技有限公司 A kind of urban river rubbish fishing device
CN209603033U (en) * 2019-01-14 2019-11-08 蚌埠学院 A kind of experiment river model of open channel
CN109778983A (en) * 2019-03-29 2019-05-21 厦门大学嘉庚学院 Rainwater-collecting part flow arrangement and its working method
CN210289499U (en) * 2019-06-10 2020-04-10 江苏利恒幕墙科技有限公司 Foot-controlled door and window
CN210840994U (en) * 2019-11-11 2020-06-26 孙科源 Three-dimensional all-round planting fence anti-overflow water irrigation equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484328A (en) * 2020-12-25 2021-03-12 李婷婷 Shallow geothermal energy city application energy-saving corollary equipment
CN112484328B (en) * 2020-12-25 2022-03-01 李婷婷 Shallow geothermal energy city application energy-saving corollary equipment
CN112776565A (en) * 2021-01-13 2021-05-11 山东水利技师学院(山东省水利职工大学) Car roof ventilation structure
CN112776565B (en) * 2021-01-13 2022-05-10 山东水利技师学院(山东省水利职工大学) Automobile roof ventilation structure
CN113936861A (en) * 2021-12-15 2022-01-14 深圳乐能电子有限公司 Electrolytic treatment device for surface coating of vehicle-mounted USB charging cable
CN113936861B (en) * 2021-12-15 2022-03-11 深圳乐能电子有限公司 Electrolytic treatment device for surface coating of vehicle-mounted USB charging cable

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