CN216715400U - Large-span underground pipeline hanging protection system - Google Patents

Large-span underground pipeline hanging protection system Download PDF

Info

Publication number
CN216715400U
CN216715400U CN202122854769.8U CN202122854769U CN216715400U CN 216715400 U CN216715400 U CN 216715400U CN 202122854769 U CN202122854769 U CN 202122854769U CN 216715400 U CN216715400 U CN 216715400U
Authority
CN
China
Prior art keywords
screw rod
screw
protection system
mounting
underground pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122854769.8U
Other languages
Chinese (zh)
Inventor
李俭文
刘跃
胡火生
李寅
吕卓
李楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Urban Construction Group Co Ltd
Original Assignee
Beijing Urban Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Urban Construction Group Co Ltd filed Critical Beijing Urban Construction Group Co Ltd
Priority to CN202122854769.8U priority Critical patent/CN216715400U/en
Application granted granted Critical
Publication of CN216715400U publication Critical patent/CN216715400U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the field of underground pipeline hanging, and particularly relates to a large-span underground pipeline hanging protection system which comprises a first mounting plate, wherein a first hanging lug is fixedly connected below the first mounting plate, and the bottom of the first mounting plate is movably connected with a first mounting screw; through first installation screw, first mounting panel, first hangers, first pivot, first screw rod, the sleeve, the second screw rod, the second hangers, the second installation screw, the protection effect that cooperation work between second mounting panel and the second pivot let large-span underground line hang has better promotion, fix first mounting panel on the wall body of underground piping through first installation screw, can be better after fixed finish provide the holding power to the fixed of equipment, stability has better guarantee when using, provide the holding power to first hangers through first mounting panel, first hangers is connected with first screw rod through first pivot, first hangers can be better through first pivot carry out the angle modulation.

Description

Large-span underground pipeline hanging protection system
Technical Field
The utility model relates to the field of underground pipeline hanging, in particular to a large-span underground pipeline hanging protection system.
Background
Most pipelines all adopt the underground piping to install in modern urban development, and reduction potential safety hazard that can be better through the underground piping has better guarantee to the protective effect of pipeline, also can be better reduce sunshine to the life influence of pipeline, improves the life of pipeline, reduces the influence of external factor to pipeline user state, also can be better reduce the pipeline and expose in the crowd, reduce the emergence of incident.
The pipeline need use cable suspension device when underground piping installs, carries out the pipeline at underground piping's installation and fixed through cable suspension device, and fixed effect is not very firm when using, and cable suspension device can only satisfy the demand of hanging mostly when fixed, but the firm nature and the stability that the guarantee that can not be fine was hung when natural disasters appear.
The existing large-span underground pipeline protection system cannot well promote and protect the pipeline fixing stability when in use, cannot better guarantee the pipeline fixing stability when in natural disasters, and does not better guarantee the life safety of rush repair personnel when in rush repair;
therefore, the large-span underground pipeline hanging protection system is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a large-span underground pipeline hanging protection system, which aims to make up for the defects of the prior art, solve the problems that the pipeline fixing stability cannot be well promoted and protected when the system is used, the pipeline fixing stability cannot be better guaranteed when natural disasters occur, and the life safety of rush-repair personnel cannot be better guaranteed when the system is rush-repaired.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model relates to a large-span underground pipeline hanging protection system which comprises a first mounting plate, wherein a first hanging lug is fixedly connected below the first mounting plate, a first mounting screw is movably connected at the bottom of the first mounting plate, a first rotating shaft is movably connected inside the first hanging lug, a first screw is movably connected to the outer wall of the first rotating shaft, the lower end of the first screw is movably connected with a sleeve, the lower end of the sleeve is movably connected with a second screw, a second rotating shaft is movably connected below the second screw, a second hanging lug is movably connected to the outer wall of the second rotating shaft, a second mounting plate is fixedly connected to one side of the second hanging lug, and a second mounting screw is movably connected to one side of the second mounting plate.
Preferably, the quantity of first hangers is two, and the symmetric distribution is in the below of first mounting panel, and constitutes between first hangers and the first pivot and run through the structure, and the quantity of first hangers is two fixed seats of revolving that can be better, has better guarantee to operating stability and fixed security, and the structure that runs through between first hangers and the first pivot lets the rotational stability of equipment have better promotion.
Preferably, the quantity of first installation screw is two, and the symmetric distribution is in the both sides of first mounting panel, and through welded connection between first mounting panel and the first hangers, the quantity of first installation screw is two, and the symmetric distribution lets first mounting panel can be more stable when fixing through first installation screw in the both sides of first mounting panel, can not influence own structural stability yet, and welded connection between first mounting panel and the first hangers lets the connection stability of equipment have better promotion.
Preferably, first screw rod includes limiting plate, a screw thread section of thick bamboo, a solid fixed cylinder, revolves the seat and reserves the entrance to a cave, and the below fixedly connected with screw thread section of thick bamboo of limiting plate, and the solid fixed cylinder of lower extreme fixedly connected with of screw thread section of thick bamboo, and the lower extreme fixedly connected with of solid fixed cylinder revolves the seat, and revolves the inside of seat and seted up and reserve the entrance to a cave, the limiting plate can be better can stop to the extreme point when the screw thread section of thick bamboo rotates, prevent that the phenomenon of droing from appearing in the screw thread section of thick bamboo, the inside of revolving the seat is seted up and is reserved the entrance to a cave that can be better and carry out the block to first pivot, come to fix first screw rod.
Preferably, pass through welded connection between limiting plate and the screw thread section of thick bamboo, and the axis between screw thread section of thick bamboo and the fixed section of thick bamboo coincides mutually, and the inside dimension of reserving the entrance to a cave is identical with the outside dimension of first pivot, welded connection between limiting plate and the screw thread section of thick bamboo lets the spacing effect of limiting plate more stable, it is better to let the bearing effect of equipment through the axis coincidence between screw thread section of thick bamboo and the fixed section of thick bamboo when using, reduce the appearance of buckling phenomenon, the inside dimension of reserving the entrance to a cave is identical with the outside dimension of first pivot and lets the installation effectiveness and the rotational stability of equipment have better guarantee.
Preferably, the sleeve includes thread groove, roof, stack shell and antiskid cover, and the thread groove has been seted up to the top of roof, and the below fixedly connected with stack shell of roof, and the outer wall fixedly connected with antiskid cover of stack shell, the thread groove has been seted up to the top of roof and has let the connection stability between sleeve and the first screw rod have better guarantee, and the concatenation effect through between roof and the stack shell lets the production efficiency of equipment have better promotion, and the protective effect when handheld sleeve rotates through the antiskid cover has better guarantee.
Preferably, through welded connection between roof and the stack shell, and the axis between stack shell and the antiskid cover coincides mutually, welded connection between roof and the stack shell lets the fixed stability and the regulation stability of equipment all have better promotion, and the axis coincidence between stack shell and the antiskid cover lets the antiskid cover can be better when carrying out handheld rotation coincide mutually with the rotation center of stack shell when using.
Preferably, the shape size between first screw rod and the second screw rod is the same, and first screw rod constitutes revolution mechanic through first pivot and first hangers, and the second screw rod constitutes revolution mechanic through second pivot and second hangers, the shape size between first screw rod and the second screw rod is the same lets the supporting effect of equipment more balanced, first screw rod constitutes revolution mechanic through first pivot and first hangers and lets the angle modulation function of equipment have better guarantee, let the angle modulation effect of equipment have better promotion through revolution mechanic between second screw rod and second pivot and the second hangers.
The utility model has the advantages that:
the utility model leads the protection effect of a large-span underground pipeline hanger to be better improved through the matching work among a first mounting screw, a first mounting plate, a first hanging lug, a first rotating shaft, a first screw rod, a sleeve, a second screw rod, a second hanging lug, a second mounting screw, a second mounting plate and a second rotating shaft, leads the first mounting plate to be fixed on the wall body of an underground pipeline through the first mounting screw, can better provide supporting force for the fixing of equipment after the fixing is finished, has better guarantee for the stability during the use, provides supporting force for the first hanging lug through the first mounting plate, leads the first hanging lug to be connected with the first screw rod through the first rotating shaft, leads the first hanging lug to be better capable of carrying out angle adjustment through the first rotating shaft, leads the device to be better capable of carrying out different angle adjustments according to different working environments to guarantee the stability of the integral protection, and leads the first screw rod and the second screw rod to carry out telescopic work through rotating the sleeve, the length that adjusts whole protector through rotatory sleeve that can be better, let the pipeline cable suspension device that the equipment can be better according to the difference carry out the regulation of different length, the fixed stability that reaches the protection of guarantee, come to fix the second mounting panel on pipeline's fixing device through the second installation screw, can be better after fixed finish through first screw rod, sleeve and second screw rod come wall body and fixing device to fix, carry out the fixed effect of secondary through the wall body and protect, the fixed position of adjusting first mounting panel and second mounting panel through first pivot and second pivot comes to carry out the angle modulation, let first screw rod, sleeve and second screw rod use forty-five degree to be connected wall body and fixing device as the angle, let protection and secondary fixed effect have better guarantee through triangle-shaped's stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these drawings without inventive exercise.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a first screw structure according to the present invention;
fig. 3 is a schematic view of the sleeve structure of the present invention.
In the figure: 1. a first mounting screw; 2. a first mounting plate; 3. a first suspension loop; 4. a first rotating shaft; 5. a first screw; 501. a limiting plate; 502. a threaded barrel; 503. a fixed cylinder; 504. rotating the base; 505. reserving a hole; 6. a sleeve; 601. a thread groove; 602. a top plate; 603. a barrel body; 604. an anti-slip sleeve; 7. a second screw; 8. a second suspension loop; 9. a second mounting screw; 10. a second mounting plate; 11. a second rotating shaft.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a large-span underground pipeline hanging protection system comprises a first mounting plate 2, a first hanging lug 3 is fixedly connected below the first mounting plate 2, a first mounting screw 1 is movably connected at the bottom of the first mounting plate 2, a first rotating shaft 4 is movably connected inside the first hanging lug 3, a first screw 5 is movably connected to the outer wall of the first rotating shaft 4, a sleeve 6 is movably connected to the lower end of the first screw 5, a second screw 7 is movably connected to the lower end of the sleeve 6, a second rotating shaft 11 is movably connected below the second screw 7, a second hanging lug 8 is movably connected to the outer wall of the second rotating shaft 11, a second mounting plate 10 is fixedly connected to one side of the second hanging lug 8, and a second mounting screw 9 is movably connected to one side of the second mounting plate 10; when the device works, the protection effect of the large-span underground pipeline hanging is better improved through the matching work among the first mounting screw 1, the first mounting plate 2, the first hanging lug 3, the first rotating shaft 4, the first screw rod 5, the sleeve 6, the second screw rod 7, the second hanging lug 8, the second mounting screw 9, the second mounting plate 10 and the second rotating shaft 11, the first mounting plate 2 is fixed on the wall body of the underground pipeline through the first mounting screw 1, the supporting force can be better provided for the fixing of equipment after the fixing is finished, the stability is better guaranteed when the device is used, the supporting force is provided for the first hanging lug 3 through the first mounting plate 2, the first hanging lug 3 is connected with the first screw rod 5 through the first rotating shaft 4, the angle adjustment can be better carried out on the first hanging lug 3 through the first rotating shaft 4, the device can better carry out different angle adjustment according to different working environments to guarantee the stability of the whole protection, the telescopic operation is carried out by the rotary sleeve 6 and the first screw rod 5 and the second screw rod 7, the length of the whole protection device can be better adjusted by the rotary sleeve 6, the equipment can be better adjusted in different lengths according to different pipeline hanging devices, the stability of fixing and protection is guaranteed, the second mounting plate 10 is fixed on the fixing device of the underground pipeline by the second mounting screw 9, after the fixing is finished, the wall body and the fixing device can be better fixed by the first screw rod 5, the sleeve 6 and the second screw rod 7, the fixing device is protected by the wall body through the secondary fixing effect, the fixing positions of the first mounting plate 2 and the second mounting plate 10 are adjusted by the first rotating shaft 4 and the second rotating shaft 11 for angle adjustment, and the wall body and the fixing device are connected by the first screw rod 5, the sleeve 6 and the second screw rod 7 by taking forty-five degrees as angles, better guarantee is provided for protection and secondary fixing effect through the stability of the triangle.
In this embodiment, the number of the first hangers 3 is two, and the first hangers 3 are symmetrically distributed below the first mounting plate 2, and a penetrating structure is formed between the first hangers 3 and the first rotating shaft 4; during operation, the quantity of first hangers 3 is two fixed seat 504 that revolve that can be better, has better guarantee to operating stability and fixed security, and the structure that runs through between first hangers 3 and the first pivot 4 lets the rotational stability of equipment have better promotion.
In the embodiment, the number of the first mounting screws 1 is two, the first mounting screws are symmetrically distributed on two sides of the first mounting plate 2, and the first mounting plate 2 is connected with the first hanging lugs 3 through welding; during operation, the quantity of first installation screw 1 is two, and the symmetric distribution lets first installation board 2 can be more stable when fixing through first installation screw 1 in the both sides of first installation board 2, also can not influence the structural stability of oneself, and welded connection between first installation board 2 and the first hangers 3 lets the connection stability of equipment have better promotion.
In this embodiment, the first screw 5 includes a limiting plate 501, a threaded cylinder 502, a fixed cylinder 503, a rotating seat 504 and a reserved hole 505, the threaded cylinder 502 is fixedly connected below the limiting plate 501, the fixed cylinder 503 is fixedly connected to the lower end of the threaded cylinder 502, the rotating seat 504 is fixedly connected to the lower end of the fixed cylinder 503, and the reserved hole 505 is formed in the rotating seat 504; during operation, limiting plate 501 can be better rotate the time at a screw thread section of thick bamboo 502 to the extreme point can stop, prevent that the screw thread section of thick bamboo 502 from appearing the obscission, and the inside of revolving a seat 504 is seted up reserve entrance to a cave 505 can be better let reserve entrance to a cave 505 carry out the block to first pivot 4, fix first screw rod 5.
In this embodiment, the limiting plate 501 is connected to the threaded cylinder 502 by welding, the central axes of the threaded cylinder 502 and the fixed cylinder 503 are coincident, and the internal dimension of the reserved hole 505 is coincident with the external dimension of the first rotating shaft 4; during operation, the welded connection between limiting plate 501 and the screw thread section of thick bamboo 502 lets limiting plate 501's spacing effect more stable, and the axis coincidence between screw thread section of thick bamboo 502 and the fixed section of thick bamboo 503 lets the bearing effect of equipment better when using, reduces the appearance of the phenomenon of buckling, and the inside dimension of reserving entrance to a cave 505 is identical with the external dimension of first pivot 4 and is let the installation effectiveness and the rotational stability of equipment have better guarantee.
In this embodiment, the sleeve 6 includes a thread groove 601, a top plate 602, a barrel body 603 and an anti-slip sleeve 604, the thread groove 601 is formed above the top plate 602, the barrel body 603 is fixedly connected below the top plate 602, and the anti-slip sleeve 604 is fixedly connected to the outer wall of the barrel body 603; during operation, thread groove 601 has been seted up to the top of roof 602 and has been let the connection stability between sleeve 6 and the first screw rod 5 have better guarantee, and the concatenation effect through between roof 602 and the stack shell 603 lets the production efficiency of equipment have better promotion, and the protective effect when handheld sleeve 6 rotates through antiskid cover 604 has better guarantee.
In this embodiment, the top plate 602 is connected to the barrel body 603 by welding, and the central axes of the barrel body 603 and the anti-slip sleeve 604 coincide with each other; during operation, the welded connection between roof 602 and stack shell 603 lets the fixed stability and the regulation stability of equipment all have better promotion, and the axis that passes through between stack shell 603 and the antiskid cover 604 coincides mutually when using and lets the antiskid cover 604 can be better when carrying out handheld rotation coincide mutually with the center of rotation of stack shell 603.
In this embodiment, the first screw 5 and the second screw 7 have the same shape and size, the first screw 5 and the first hanging lug 3 form a rotating structure through the first rotating shaft 4, and the second screw 7 and the second hanging lug 8 form a rotating structure through the second rotating shaft 11; during operation, the same supporting effect that lets equipment of shape size between first screw rod 5 and the second screw rod 7 is more balanced, and first screw rod 5 constitutes revolution mechanic through first pivot 4 and first hangers 3 and lets the angle modulation function of equipment have better guarantee, and revolution mechanic between second screw rod 7 and second pivot 11 and the second hangers 8 lets the angle modulation effect of equipment have better promotion.
The theory of operation, fix first mounting panel 2 on the wall body of underground piping through first mounting screw 1, provide the holding power through first mounting panel 2 to first hangers 3, first hangers 3 are connected with first screw rod 5 through first pivot 4, come to carry out flexible work with first screw rod 5 and second screw rod 7 through rotatory sleeve 6, come to fix second mounting panel 10 on pipeline's fixing device through second mounting screw 9, can be better after the fixing finishes through first screw rod 5, sleeve 6 and second screw rod 7 come to fix wall body and fixing device and carry out fixed work, the fixed position that adjusts first mounting panel 2 and second mounting panel 10 through first pivot 4 and second pivot 11 carries out angle modulation work.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a protection system is hung to large-span underground pipeline which characterized in that: comprises a first mounting plate (2), a first hanging lug (3) is fixedly connected below the first mounting plate (2), the bottom of the first mounting plate (2) is movably connected with a first mounting screw (1), a first rotating shaft (4) is movably connected inside the first hanging lug (3), a first screw rod (5) is movably connected on the outer wall of the first rotating shaft (4), the lower end of the first screw rod (5) is movably connected with a sleeve (6), the lower end of the sleeve (6) is movably connected with a second screw rod (7), a second rotating shaft (11) is movably connected below the second screw rod (7), the outer wall of the second rotating shaft (11) is movably connected with a second hanging lug (8), one side of the second hanging lug (8) is fixedly connected with a second mounting plate (10), one side of the second mounting plate (10) is movably connected with a second mounting screw (9).
2. The large-span underground pipeline hanging protection system according to claim 1, wherein: the quantity of first hangers (3) is two, and the symmetric distribution is in the below of first mounting panel (2), and constitutes between first hangers (3) and first pivot (4) and runs through the structure.
3. The large-span underground pipeline hanging protection system according to claim 1, wherein: the quantity of first installation screw (1) is two, and the symmetric distribution is in the both sides of first mounting panel (2), and passes through welded connection between first mounting panel (2) and first hangers (3).
4. The large-span underground pipeline hanging protection system according to claim 1, wherein: first screw rod (5) include limiting plate (501), a screw thread section of thick bamboo (502), a fixed section of thick bamboo (503), revolve seat (504) and reserve entrance to a cave (505), and the below fixedly connected with screw thread section of thick bamboo (502) of limiting plate (501), and the lower extreme fixedly connected with of a screw thread section of thick bamboo (502) fixed section of thick bamboo (503), and the lower extreme fixedly connected with of a fixed section of thick bamboo (503) revolves seat (504), and revolves the inside of seat (504) and seted up and reserve entrance to a cave (505).
5. The large-span underground pipeline hanging protection system according to claim 4, wherein: the limiting plate (501) is connected with the threaded cylinder (502) in a welding mode, the central axes of the threaded cylinder (502) and the fixed cylinder (503) coincide with each other, and the inner size of the reserved hole (505) is matched with the outer size of the first rotating shaft (4).
6. The large-span underground pipeline hanging protection system according to claim 1, wherein: the sleeve (6) comprises a thread groove (601), a top plate (602), a cylinder body (603) and an anti-skidding sleeve (604), the thread groove (601) is formed in the upper portion of the top plate (602), the cylinder body (603) is fixedly connected to the lower portion of the top plate (602), and the anti-skidding sleeve (604) is fixedly connected to the outer wall of the cylinder body (603).
7. The large-span underground pipeline hanging protection system according to claim 6, wherein: the top plate (602) is connected with the cylinder body (603) through welding, and the central axes of the cylinder body (603) and the anti-slip sleeve (604) are overlapped.
8. The large-span underground pipeline hanging protection system according to claim 1, wherein: the shape and the size of the first screw rod (5) are the same as those of the second screw rod (7), the first screw rod (5) and the first hanging lug (3) form a rotating structure through the first rotating shaft (4), and the second screw rod (7) and the second hanging lug (8) form a rotating structure through the second rotating shaft (11).
CN202122854769.8U 2021-11-19 2021-11-19 Large-span underground pipeline hanging protection system Active CN216715400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122854769.8U CN216715400U (en) 2021-11-19 2021-11-19 Large-span underground pipeline hanging protection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122854769.8U CN216715400U (en) 2021-11-19 2021-11-19 Large-span underground pipeline hanging protection system

Publications (1)

Publication Number Publication Date
CN216715400U true CN216715400U (en) 2022-06-10

Family

ID=81878126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122854769.8U Active CN216715400U (en) 2021-11-19 2021-11-19 Large-span underground pipeline hanging protection system

Country Status (1)

Country Link
CN (1) CN216715400U (en)

Similar Documents

Publication Publication Date Title
CN204691501U (en) A kind of hinge for shower room of new structure
CN216715400U (en) Large-span underground pipeline hanging protection system
CN207268357U (en) A kind of engineering mapping rotary type tripod
CN208534181U (en) A kind of maintenance railing of architectural engineering
CN210290379U (en) Hold in palm special staple bolt of a burden temporarily
CN208747581U (en) A kind of transmission line high-altitude operation self-powered platform
CN215563675U (en) Glass curtain wall connection claw fixing device
CN206337955U (en) Concealed floor spring and door
CN206176587U (en) Three portable angie type air condensing units's installing support
CN210976681U (en) A rail guard structure for housing construction uses
CN209516549U (en) Hook structure for tunnel
CN206181129U (en) Cell -phone and camera supporting structure thereof
CN216281082U (en) Night fishing lamp with adjusting function
CN208996618U (en) People's steel ladder on a kind of extension type
CN207905470U (en) A kind of electric fence
CN212908122U (en) Graphite-based soft grounding wire hook
CN201726470U (en) Multi-angle camera
CN216162325U (en) Maintenance-free steel-plastic co-extrusion cable bridge
CN212120679U (en) Drying device for spraying processing of glass curtain wall
CN215646441U (en) High-efficient flame-proof type three-phase asynchronous motor multi-angle mount pad
CN214369650U (en) LED tunnel lamp convenient to installation
CN210893304U (en) Water meter for automatic meter reading
CN217428201U (en) Portable cell-phone shell of wearing
CN110148691A (en) A kind of adjustable type power battery pack supporting tool
CN211851239U (en) Telescopic purse seine skeleton

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant