CN108842824A - A kind of inspection well cover and opener for preventing improper disengaging - Google Patents
A kind of inspection well cover and opener for preventing improper disengaging Download PDFInfo
- Publication number
- CN108842824A CN108842824A CN201810557840.6A CN201810557840A CN108842824A CN 108842824 A CN108842824 A CN 108842824A CN 201810557840 A CN201810557840 A CN 201810557840A CN 108842824 A CN108842824 A CN 108842824A
- Authority
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- China
- Prior art keywords
- clamping block
- inspection well
- well cover
- hole
- spring
- 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.)
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Links
- 238000007689 inspection Methods 0.000 title claims abstract description 55
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
-
- 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
- E02D29/1427—Locking devices
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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of inspection well covers and opener for preventing improper disengaging, belong to municipal communal facility field, including：Manhole cover body offers through-hole thereon, inside offer the radial direction along the manhole cover body and open up and penetrate through to external deep gouge, the through-hole is penetrated through to the deep gouge；First clamping block, is slidably disposed in the deep gouge, offers clamping block through-hole corresponding with the through-hole thereon；Spring, one end is connected on the bottom wall of the deep gouge, the other end is connected on first clamping block, the advantage of the invention is that：Inspection well cover is fastened in road or other facilities by the first clamping block and the second clamping block, and a kind of dedicated opener is provided simultaneously, make non-working person that can not open inspection well cover under the opener without profession, antitheft, flood-protection function may be implemented, improve the safety of inspection well cover.
Description
Technical field
Inspection well cover and opener the present invention relates to municipal communal facility field, in especially municipal communal facility.
Background technique
A lot of underground pipings, such as sewer, underground gas pipeline, water supply pipe, power pipe are had in urban construction
Road, communication conduit, national defence pipeline etc., these pipelines will have the outlet for leading to ground every one section, it can be seen that inspection shaft and
Inspection well cover is the essential composition of urban construction.Uncovered inspection shaft " gulping down people " event emerges one after another, what why inspection well cover did not cover
Reason is even more to have no way of having looked into, it may be possible to artificially move out or steal, it is also possible to because of flood shortly past washed away etc..
Therefore we need a kind of inspection well cover that non-working person can not open without the tool of profession.
Summary of the invention
The main purpose of the present invention is to provide a kind of inspection well covers and opener for preventing improper disengaging, pass through the first card
Tight block and the second clamping block are fastened on inspection well cover in road or other facilities, and provide a kind of dedicated unlatching work simultaneously
Tool makes non-working person that can not open inspection well cover under the opener without profession.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of inspection well cover for preventing improper disengaging, including：
Manhole cover body offers through-hole thereon, inside offer along the manhole cover body radial direction open up and penetrate through to
External deep gouge, the through-hole are penetrated through to the deep gouge；
First clamping block, is slidably disposed in the deep gouge, offers clamping corresponding with the through-hole thereon
Block through-hole；
Spring, one end is connected on the bottom wall of the deep gouge, the other end is connected on first clamping block.
More preferably, the spring groove for storing the spring is offered on first clamping block.
More preferably, the spring placement platform for placing the spring is offered on first clamping block.
More preferably, further include curved rod and the second clamping block, the arc groove of annular, institute are also provided in the manhole cover body
Stating deep gouge is three, wherein the through-hole is penetrated through to any one deep gouge, first clamping block is close to manhole cover body center
One end offers the inclined-plane of taper, surface groove is offered on second clamping block, one end of the curved rod offers and institute
It states the first driving inclined-plane, the other end that inclined-plane matches and offers the second driving inclined-plane matched with the surface groove, it is described
Curved rod is symmetricly set on the two sides of first clamping block；The curved rod protrudes into institute far from the end of first clamping block
It states in surface groove, for driving second clamping block mobile, offers spring counterbore, the spring on second clamping block
Spring is provided in counterbore, one end is connected on second clamping block, and the other end is connected on the bottom wall of the deep gouge.
It is a kind of for a kind of tool for the inspection well cover for preventing improper disengaging described in opening any of the above-described one, including can
Protrude into the opening tool assembly in the through-hole comprising upper body, lower body are rotatably arranged in the top sheet
Swivel head, driving cog on body, the rotary shaft for being fixedly attached to the driving cog and it is located at the upper body and lower body
Between push plate, offer internal spline on the swivel head, there is the internal tooth matched with the driving cog, the push plate thereon
It is fixed in the rotary shaft and the shaft and the push plate eccentric setting, the upper body and the lower body
On accordingly offer the shaft hole passed through for accommodating the rotary shaft.
More preferably, locating platform is provided in the upper body.
More preferably, label circular hole is offered on the locating platform.
Compared with the prior art, the advantages of the present invention are as follows：Make inspection well cover can by the first clamping block and the second clamping block
To be fastened in road or other facilities, and a kind of dedicated opener is provided simultaneously, make non-working person without profession
Inspection well cover can not be opened under opener, and antitheft, flood-protection function may be implemented, improve the safety of inspection well cover.
Detailed description of the invention
Fig. 1 is inspection well cover top view of the invention；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the B-B direction cross-sectional view of Fig. 1：
Fig. 4 is the C-C of Fig. 2 to cross-sectional view；
Fig. 5 is the D-D of Fig. 2 to cross-sectional view；
Fig. 6 is the cross-sectional view after Fig. 2 insertion opening tool；
Fig. 7 is the local a enlarged view of Fig. 6：
Fig. 8 is that the cross-sectional view after the first clamping block of tool open is opened in Fig. 2 insertion；
Fig. 9 is the local a enlarged view of Fig. 8；
Figure 10 is that the cross-sectional view after the first clamping block of tool open is opened in Fig. 4 insertion；
Figure 11 is that the cross-sectional view after the first clamping block of tool open is opened in Fig. 5 insertion；
Figure 12,13,14 are the part drawings of the first clamping block；
Figure 15,16,17,18 are the part drawings of the second limited block；
Figure 19,20,21 are the component drawings of opening tool.
Appended drawing reference：Inspection well cover 1；Inspection well cover through-hole 100；First clamping block 2；Spring 21；Clamping block through-hole 22；Spring is put
Horizontalization platform 23；Inclined-plane 24；First limited mouth 25；Second clamping block 3；Second limited mouth 31；Surface groove 32；Spring counterbore 33；Arc
Shape bar 5；Open tool assembly 6；Locating platform 61；Swivel head 62；Driving cog 63；Rotary shaft 64；Limited block 65；Push plate 66；Mark
Remember circular hole 67；Lower body 68；Upper body 69.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in Fig. 1-2 1, one embodiment of the present of invention：A kind of inspection well cover 1 for preventing improper disengaging, including：
Manhole cover body offers through-hole 100 thereon, inside the radial direction that offers along the manhole cover body open up and penetrate through
To external deep gouge, the perforation of through-hole 100 to the deep gouge；
First clamping block 2, is slidably disposed in the deep gouge, offers thereon corresponding with the through-hole 100
Clamping block through-hole 22；
Spring 21, one end is connected on the bottom wall of the deep gouge, the other end is connected on first clamping block 2.
Further, 21 slot of spring for storing the spring 21 is offered on first clamping block 2.
Further, the spring placement platform 23 for placing the spring 21 is offered on first clamping block 2.
Further, further include curved rod 5 and the second clamping block 3, the arc of annular is also provided in the manhole cover body
Slot, the deep gouge are three, wherein the perforation of the through-hole 100 is to any one deep gouge, first clamping block 2 is close to well lid sheet
The one end at body center offers the inclined-plane 24 of taper, and surface groove 32 is offered on second clamping block 3, the curved rod 5
One end offers the first driving inclined-plane matched with the inclined-plane 24, the other end is offered and matched with the surface groove 32
Second driving inclined-plane, the curved rod 5 are symmetricly set on the two sides of first clamping block 2；The curved rod 5 is far from described
The end of one clamping block 2 is protruded into 24 slot of inclined-plane, for driving second clamping block 3 mobile, second clamping block 3
On offer 21 counterbore of spring, spring 21 is provided in the spring counterbore 33, one end is connected to second clamping block 3
On, the other end is connected on the bottom wall of the deep gouge.
It is a kind of for a kind of tool for the inspection well cover for preventing improper disengaging described in opening any of the above-described one, including can
Protrude into the opening tool assembly 6 in the through-hole 100 comprising upper body 69, is rotatably arranged in institute at lower body 68
It states the swivel head 62 in upper body 69, driving cog 63, the rotary shaft 64 for being fixedly attached to the driving cog 63 and is located at described
Push plate 66 between upper body 69 and lower body 68 offers internal spline on the swivel head 62, have thereon with it is described
The internal tooth that driving cog 63 matches, the push plate 66 is fixed in the rotary shaft 64 and the shaft and the push plate 66
Eccentric setting is accordingly offered in the upper body 69 and the lower body 68 and is passed through for accommodating the rotary shaft 64
Shaft hole.
Further, locating platform 61 is provided in the upper body 69.
Further, label circular hole 67 is offered on the locating platform 61.
Specifically, in design and foundation construction, the card slot of the first clamping block 2 and the second clamping block 3 should be reserved, is used for
First clamping block 2 and the second clamping block 3 protrude into clamping, and inspection well cover 1 as shown in Figs. 1-5 is opened heavy there are three what is circumferentially divided equally
Slot, places first clamping block 2 and two the second clamping blocks 3 in deep gouge respectively, the first clamping block 2 and the second clamping block 3 it
Between connected by curved rod 5, the arc groove for adapting to curved rod 5 is equipped in inspection well cover 1, curved rod 5 can be slided in arc groove,
The inclined-plane of 5 one end of curved rod cooperates the inclined-plane 24 of the first clamping block 2, and the other end cooperates the surface groove 32 of the second clamping block 3；Inclined-plane
24 are located at the lower part of the first clamping block 2, and the top of the first clamping block 2 is spring placement platform 23, and 21 one end of spring is connected to bullet
On spring placement platform 23, the other end is connected to the deep gouge bottom on inspection well cover 1；
It is to open tool assembly 6 when opening insertion through-hole 100 of tool assembly 6 shown in Fig. 6~11 and 19~21
Including lower body 68 and upper body 69, it is fixedly connected between two ontologies by the rotatable of rotary shaft 64, and rotary shaft
64 are located at the one third of circular diameter and (are not located at tool body center), and 68 upper surface of lower body is fixed with limited block 65,
69 lower end surface of upper body is also fixed with limited block 65, movably fixes push plate 66, upper body between two limited blocks 65
69 upper surfaces are rotatable to be fixed with swivel head 62, and the rotary shaft 64 in 69 upper surface of upper body is fixedly connected driving cog
63,62 inside of swivel head is with teeth, and swivel head 62 and driving cog 63 engage, and the side of push plate 66 and the cooperation of rotary shaft 64 is equipped with spiral shell
Line, the two engagement, rotation rotary shaft 64 drive push plate 66 to move left and right.The outer ring in portion 69 is equipped with a delineation bit platform on the body
61, it is nearest from 64 center of rotary shaft on the circumference of locating platform 61 to be a little equipped with label circular hole 67, mark circular hole 67 to be used for
The position of position rotating axis 64, locating platform 61 is for entirely opening the positioning of tool assembly 6.
Figure 12 to 14 is the view of the first clamping block of part, and the side of the first clamping block 2 is the first limited mouth 25, changes the limit
Position mouth is used to limit the first clamping block 2 under the action of the spring 21 the deep gouge that not will pop up in inspection well cover 1, and the first clamping block 2 is set
There is clamping block through-hole 22, it while being also first which is used to drain ventilative for being aligned inspection well cover through-hole 100, when usual
The switch mouth of clamping block 2, inclined-plane 24 are symmetrical arranged the curved rod 5 of connection two sides.
Figure 15~18 are the views of the second clamping block of part 3, and the second limited mouth 31 is for limiting the first clamping block 2 in spring
The deep gouge in inspection well cover 1 is not will pop up under the action of 21, surface groove 32 is used to cooperate the inclined-plane of 5 one end of curved rod, spring counterbore
33 for placing spring 21.
Specific motion process：The inspection well cover 1 normally placed is as shown in Fig. 1~5, first clamping block 1 and two second
Clamping block 3 is in the state for stretching out inspection well cover edge under the active force of spring 21, and inspection well cover 1 is fixed on road surface at this time
On, it will not there is a situation where improper disengaging road surfaces.
When needing to open inspection well cover 1, with reference to Fig. 6~11, opening tool assembly 6 is inserted into inspection well cover through-hole
In 100, when the upper plane of locating platform 61 and inspection well cover 1 is in the same plane, and the label circular hole 67 on locating platform 61
When circle center distance from inspection well cover 1 is nearest, swivel head 62 is rotated clockwise, swivel head 62 and driving cog 63 are engaged, driven
The affixed rotary shaft 64 of driving cog 63 rotates, and rotary shaft 64 and push plate 66 cooperate, direction of the push plate 66 to close 1 center of circle of inspection well cover
Mobile, (height that the gap between upper body and lower body is greater than the first clamping block) mobile power of push plate 66 acts on the
On one clamping block 2, the first clamping block 2 is also mobile to the direction in 1 center of circle of inspection well cover, and the spring 21 on the first clamping block 2 is shunk, the
The inclined-plane 24 of one clamping block, 2 symmetric design acts in curved rod 5, and curved rod 5 is mobile to the direction far from the first clamping block 2,
The other end of curved rod 5 acts on the surface groove 32 of the second clamping block 3, due to the inclined-plane and surface groove 32 at curved rod 5 end
Under inclined-plane mating reaction, the second clamping block 3 is mobile to the direction close to the inspection well cover center of circle, while the spring on the second clamping block 3
21 it is same shrink, three clamping blocks are in the outer ring edge without departing from inspection well cover 1, and inspection well cover 1 can be opened disengaging at this time.
(swivel head can be artificial rotation and be also possible to motor driven rotation).
When needing to be closed inspection well cover 1, swivel head 62, under the action of the spring 21, all inspection shafts are rotated counterclockwise
Part in lid can be restored to state shown in Fig. 1-5.
Compared with the prior art, the advantages of the present invention are as follows：Make inspection well cover can by the first clamping block and the second clamping block
To be fastened in road or other facilities, and a kind of dedicated opener is provided simultaneously, make non-working person without profession
Inspection well cover can not be opened under opener, and antitheft, flood-protection function may be implemented, improve the safety of inspection well cover.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of inspection well cover for preventing improper disengaging, which is characterized in that including：
Manhole cover body offers through-hole (100) thereon, inside offer along the manhole cover body radial direction open up and penetrate through to
External deep gouge, through-hole (100) perforation to the deep gouge；
First clamping block (2), is slidably disposed in the deep gouge, offers thereon corresponding with the through-hole (100)
Clamping block through-hole (22) (100)；
Spring (21), one end is connected on the bottom wall of the deep gouge, the other end is connected on first clamping block (2).
2. a kind of inspection well cover for preventing improper disengaging according to claim 1, which is characterized in that first clamping block
(2) spring (21) slot for storing the spring (21) is offered on.
3. a kind of inspection well cover (1) for preventing improper disengaging according to claim 1, which is characterized in that first clamping
The spring placement platform (23) for placing the spring (21) is offered on block (2).
4. a kind of inspection well cover for preventing improper disengaging according to claim 1 or 2 or 3, which is characterized in that further include arc
Bar (5) and the second clamping block (3) are also provided with the arc groove of annular in the manhole cover body, and the deep gouge is three, wherein institute
Through-hole (100) perforation is stated to any one deep gouge, first clamping block (2) offers cone close to the one end at manhole cover body center
The inclined-plane (24) of shape offers surface groove (32) on second clamping block (3), one end of the curved rod (5) offer with
The first driving inclined-plane that the inclined-plane (24) matches, the other end offer the second driving matched with the inclined-plane (24) slot
Inclined-plane, the curved rod (5) are symmetricly set on the two sides of first clamping block (2)；The curved rod (5) is far from described first
The end of clamping block (2) is protruded into the surface groove (32), for driving second clamping block (3) mobile, second card
It is offered spring counterbore (33) on tight block (3), is provided with spring in the spring counterbore (33), one end is connected to described second
On clamping block (3), the other end is connected on the bottom wall of the deep gouge.
5. a kind of for a kind of tool for the inspection well cover for preventing improper disengaging described in opening any of the above-described one, feature exists
In including the opening tool assembly (6) that can extend into the through-hole (100) comprising upper body (69), lower body
(68), the swivel head (62) that is rotatably arranged on the upper body (69), is fixedly attached to the biography at driving cog (63)
The rotary shaft (64) of movable tooth (63) and the push plate (66) between the upper body (69) and lower body (68), the rotation
Rotary head offers internal spline on (62), has the internal tooth matched with the driving cog (63) thereon, and the push plate (66) is fixed
It is arranged on the rotary shaft (64) and the shaft and the push plate (66) eccentric setting, the upper body (69) and described
The shaft hole passed through for accommodating the rotary shaft (64) is accordingly offered in lower body (68).
6. it is according to claim 5 a kind of for opening a kind of tool of inspection well cover for preventing improper disengaging,
It is characterized in that, is provided with locating platform (61) on the upper body (69).
7. it is according to claim 6 a kind of for opening a kind of tool of inspection well cover for preventing improper disengaging,
It is characterized in that, label circular hole (67) is offered on the locating platform (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557840.6A CN108842824B (en) | 2018-06-01 | 2018-06-01 | Prevent inspection shaft lid and opening tool that abnormal separation from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557840.6A CN108842824B (en) | 2018-06-01 | 2018-06-01 | Prevent inspection shaft lid and opening tool that abnormal separation from |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108842824A true CN108842824A (en) | 2018-11-20 |
| CN108842824B CN108842824B (en) | 2020-11-10 |
Family
ID=64211259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810557840.6A Active CN108842824B (en) | 2018-06-01 | 2018-06-01 | Prevent inspection shaft lid and opening tool that abnormal separation from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108842824B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424465A (en) * | 2019-07-30 | 2019-11-08 | 浙江金棕榈建设有限公司 | A kind of town road well lid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911018Y (en) * | 2005-10-29 | 2007-06-13 | 余方舟 | Single-point locking antitheft manhole cover |
| CN205839805U (en) * | 2016-06-29 | 2016-12-28 | 徐州圣凯知识产权服务有限公司 | Anti-stealing manhole cover |
| CN106614862A (en) * | 2016-11-18 | 2017-05-10 | 桐梓县巧媳妇农产品开发有限公司 | Dough mixing machine |
| CN206253164U (en) * | 2016-10-14 | 2017-06-16 | 山东瀚清环保科技有限公司 | Energy-saving cone breaker device is used in one kind office |
| CN206478218U (en) * | 2016-05-28 | 2017-09-08 | 重庆万虎机电有限责任公司 | A kind of mini-tiller, gearbox and the drive device of clutch yoke |
-
2018
- 2018-06-01 CN CN201810557840.6A patent/CN108842824B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911018Y (en) * | 2005-10-29 | 2007-06-13 | 余方舟 | Single-point locking antitheft manhole cover |
| CN206478218U (en) * | 2016-05-28 | 2017-09-08 | 重庆万虎机电有限责任公司 | A kind of mini-tiller, gearbox and the drive device of clutch yoke |
| CN205839805U (en) * | 2016-06-29 | 2016-12-28 | 徐州圣凯知识产权服务有限公司 | Anti-stealing manhole cover |
| CN206253164U (en) * | 2016-10-14 | 2017-06-16 | 山东瀚清环保科技有限公司 | Energy-saving cone breaker device is used in one kind office |
| CN106614862A (en) * | 2016-11-18 | 2017-05-10 | 桐梓县巧媳妇农产品开发有限公司 | Dough mixing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424465A (en) * | 2019-07-30 | 2019-11-08 | 浙江金棕榈建设有限公司 | A kind of town road well lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108842824B (en) | 2020-11-10 |
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Effective date of registration: 20201028 Address after: 311800 3203 / F, building 3, Sox think tank, No.535 Yongxin Road, Datang street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhuji Yulong Intelligent Technology Co.,Ltd. Address before: 315040 501-516, B3 Floor, R&D Park, Ningbo High-tech Zone, Zhejiang Province Applicant before: NINGBO DIYANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211213 Address after: 311800 xiyanglong village, Shanxiahu Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Mingsheng Tools Co.,Ltd. Address before: 311800 3203 / F, building 3, Sox think tank, No.535 Yongxin Road, Datang street, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhuji Yulong Intelligent Technology Co.,Ltd. |
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Denomination of invention: Manhole cover and opening tool for preventing abnormal separation Effective date of registration: 20211216 Granted publication date: 20201110 Pledgee: Shanxiahu sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Mingsheng Tools Co.,Ltd. Registration number: Y2021980015001 |
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Date of cancellation: 20230719 Granted publication date: 20201110 Pledgee: Shanxiahu sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Mingsheng Tools Co.,Ltd. Registration number: Y2021980015001 |
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Effective date of registration: 20240117 Address after: 312000 Room 215, building 1, additional shop, Huashi community, Lizhu Town, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing qiaolu Intelligent Technology Co.,Ltd. Address before: 311800 xiyanglong village, Shanxiahu Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Mingsheng Tools Co.,Ltd. |
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