CN105040738A - Safety inspection-well cover - Google Patents
Safety inspection-well cover Download PDFInfo
- Publication number
- CN105040738A CN105040738A CN201510308893.0A CN201510308893A CN105040738A CN 105040738 A CN105040738 A CN 105040738A CN 201510308893 A CN201510308893 A CN 201510308893A CN 105040738 A CN105040738 A CN 105040738A
- Authority
- CN
- China
- Prior art keywords
- inspection well
- well cover
- ring
- cover body
- inspection
- 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.)
- Granted
Links
Abstract
The invention relates to the technical field of inspection-well covers, and discloses a safety inspection-well cover. The safety inspection-well cover comprises a round inspection-well base and an inspection-well cover body, wherein an inner ring at the upper end of the inspection-well base protrudes upwards to form a convex ring; a connecting ring is arranged at the lower end of the inspection-well cover body; bolt holes are formed in the top of the convex ring; counter bores are formed in the inspection-well cover body; bolts connected with the bolt holes are respectively arranged in the counter bores; a supporting ring is arranged at the upper end of the inner ring of the convex ring; the upper end surface of the supporting ring is a conical surface; a reinforcing ring is arranged on the bottom surface of the inspection-well cover body; the outer side surface of the reinforcing ring and the conical surface on the supporting ring form a contact support; interlaced reinforcing ribs are arranged at a position positioned in the reinforcing ring, at the bottom of the inspection-well cover body; the outer ends of the reinforcing ribs are connected with the reinforcing ring; signal lamps are also arranged on the inner ring of the inspection-well base; a proximity sensor is arranged under the connecting ring, at the upper end of the inspection-well base; the proximity sensor is connected with the signal lamps. When the inspection-well cover body is separated from the inspection-well base, the signals can emit light to warn pedestrians, so that pedestrians can be prevented from falling in the inspection well.
Description
Technical field
The present invention relates to inspection well cover technical field, particularly relate to a kind of Safety manhole cover.
Background technology
A lot of underground pipeline is had in urban construction, such as sewer, underground gas pipeline, water supply pipe, power pipe, communication conduit, national defence pipeline etc., these pipelines will have an outlet of leading to ground every one section, inspection shaft is called to this section on ground by pipeline, catch pit port is usually concordant with ground, therefore need a lid, be used for the lid of lid inspection shaft, be inspection well cover.Inspection well cover is made with materials such as reinforced concrete, metal, reinforced plastics usually, and shape is based on circular and square.A complete inspection well cover all comprises inspection well seat, inspection well cover body two parts, needs to open inspection well cover to during the maintenance such as the cable in sewer, water pipe; After inspection well cover body common is at present separated with inspection well seat, in night, rainy day etc., because sight line is darker, pedestrian does not notice inspection shaft, and cause pedestrian to drop in inspection shaft causing life danger, also often can see that at present on the net inspection well cover body is lost or stolen, cause night pedestrian to fall the report of inspection shaft.
Summary of the invention
The present invention, in order to solve the aforementioned problems in the prior, provides after inspection well cover body and inspection shaft depart from, and can emit beam in inspection well seat warning pedestrian, prevents pedestrian to fall the inspection well cover of inspection shaft.
To achieve these goals, the present invention adopts following technical scheme:
A kind of safety type inspection well cover, comprise circular inspection well seat, inspection well cover body, the side, outer ring of described inspection well seat is provided with pre-buried ring, described inspection well seat upper end inner ring raises up formation bulge loop, the lower end of described inspection well cover body is provided with the connecting ring be rotatablely fastened on bulge loop, the top of described bulge loop is provided with some bolts hole, and described inspection well cover body is provided with counterbore, is provided with the bolt be connected with bolt hole in counterbore, described bulge loop inner ring upper end is provided with support ring, the upper surface of support ring is the conical surface, the bottom surface of described inspection well cover body is provided with reinforcing ring, taper-face contact on the lateral surface of described reinforcing ring and support ring supports, the position that the bottom of described inspection well cover body is positioned at reinforcing ring is provided with staggered reinforcing rib, the outer end of described reinforcing rib is connected with reinforcing ring, the inner ring of described inspection well seat is also provided with signal lamp, the upper end of inspection well seat is positioned at immediately below connecting ring and is provided with proximity transducer, described proximity transducer is connected with signal lamp, when inspection well cover body and inspection well seat depart from, signal lamp is in open mode.
Pre-buried ring is imbedded in the cement of catch pit port, inspection well cover body is connected with inspection well seat rotary fastening, pass through Bolt to position again, reinforcing ring on inspection well cover body bottom surface is pressed on support ring, support ring is for bearing the pressure on inspection well cover body, reinforcing rib, reinforcing ring increase inspection well cover body self-strength, when inspection well cover body middle part is subject to larger pressure, pressure energy passes to reinforcing ring by reinforcing rib, support finally by support ring, thus enhance the compressive property of inspection well cover body greatly, improve its application life; After inspection well cover body is connected with inspection well seat, connecting ring lower end is near proximity transducer, when proximity transducer detects signal, signal lamp is in closed condition, after inspection well cover body and inspection well seat depart from, when proximity transducer can't detect signal, signal lamp injection light, plays warning function at night to pedestrian.
As preferably, the outside of described bulge loop is evenly provided with some spacing block sets, the inner side of connecting ring is circumferentially provided with the some sections of stopper slots coordinated with spacing block set, one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach, dodges the position of breach and the position one_to_one corresponding of spacing block set.During installation, position limiting convex ring stretches in stopper slot from dodging indentation, there, and inspection well cover body rotates an angle, make counterbore and bolt hole to it, positive stop lug boss staggers with inevitable breach simultaneously, and be then bolted, inspection well cover body can not be opened because of bolt looseness by mistake.
As preferably, the inner ring lower end edge of described inspection well seat is circumferentially with some hooks, hook is hung with anti-fall separation net.Just in case inspection well cover body is stolen or when not installing new inspection well cover body in time when changing, anti-fall separation net can effectively prevent pedestrian from falling.
As preferably, the top of described spacing block set is provided with positioning convex strip, the upper side of described stopper slot is provided with the detent coordinated with spacing raised line, when inspection well cover body to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent.Spacing block set snaps in stopper slot, positioning convex strip snaps in detent, double limitation, when needing to open inspection well cover body, need first to open bolt, then one end distance is put forward on inspection well cover body, positioning convex strip and detent are thrown off, then an angle is rotated, positioning convex strip is moved to and dodges indentation, there, finally whole inspection well cover body is pulled out, this kind of specific unfolding mode, is also difficult to inspection well cover body to take off even if thief destroys bolt, makes this kind of inspection well cover have good anti-theft function.
As preferably, described inspection well cover body is provided with some auxiliary through hole.When needing to open inspection well cover, insert auxiliary mould in auxiliary through hole, be beneficial to and mention, rotate inspection well cover body.
As preferably, described pre-buried ring is provided with some long slot bores.When inspection well seat is pre-buried, cement can enter the position between pre-buried ring in long slot bore, and ensure that cement fills, inspection well seat is pre-buried more stable.
As preferably, described bolt comprises stud, is located at the bolt head of stud upper end, the upper end of described bolt head is provided with catch, the upper-end part of driving of bolt head is provided with the polyhedron of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve, and the link of described stud and bolt head is provided with sheath, is provided with stage clip in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach between the upper end of described sliding sleeve and catch.The bolt that this kind refers in particular to loads after in counterbore, common people have no way of from outside opening bolt at all, only have and coordinate special frock ability rotating bolt, special frock snaps in annular breach from both sides together, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, and special frock inner portion blocks polyhedron, then stud is driven to rotate, unthread bolts; Sheath can also play the effect of pad.
As preferably, described sheath and sliding sleeve matched in clearance, the lower end outside of described sliding sleeve is provided with the first sealing ring for sealing with sheath inner ring, and the upper end of described sliding sleeve is provided with the second sealing ring for sealing with catch downside.After bolt connects, the space that in sheath, sliding sleeve, formation one is closed, extraneous rainwater can not contact with polyhedron, stage clip, stage clip can not because of getting rusty, corrode and losing efficacy, ensure theftproof performance, polyhedral surface also can not get rusty, and prevents polyhedron from getting rusty and causes frock cannot clamping position.
As preferably, be rotationally connected between described catch and bolt head upper end.After bolt connects, catch is positioned at topmost, rounded outside catch, general instrument all cannot clamp, but if adopt the instruments such as file easily the disc of catch to be frustrated out-of-plane, then overlaps unthread bolts by spanner, be rotationally connected between catch and bolt head in this structure, even if frustrated place's plane by instruments such as frustrating cutter, owing to being rotationally connected, bolt is still not easily opened.
As preferably, the inner ring lower end of described inspection well seat is provided with the conical surface, and described signal lamp has three at least, and each signal lamp is evenly arranged on the conical surface, and the incident angle of signal lamp tilts upward along the bus of the conical surface.The conical surface has protective effect to signal lamp; extraneous stone etc. is caused to fall into inspection shaft and destroy signal lamp after preventing inspection well cover from lacking; the crossover that simultaneously multiple signal lamp sends inclination is together made into netted; with on road other at night ornament lamp light distinguish obviously; more eye-catching, warning function is strengthened.
Therefore, the present invention has following beneficial effect: when (1) inspection well cover body is separated with inspection well seat, and signal lamp emits beam and warns pedestrian, prevents pedestrian from crashing into night in inspection shaft, uses safer; (2) inspection well cover bulk strength is high, compressive property good, long service life; (3) bolt theftproof performance is good, and ordinary people is almost difficult to rotating bolt, good anti-theft effect; (4) even if bolt is destroyed, also need specific unfolding mode just can open inspection well cover body, ordinary people is difficult to dismounting inspection well cover body, good anti-theft effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the top view of inspection well seat.
Fig. 3 is the upward view of inspection well cover body.
Fig. 4 is A place close-up schematic view in Fig. 1.
Fig. 5 is the structural representation of bolt.
Fig. 6 is that bolt is by special frock clamp position schematic diagram.
In figure: inspection well seat 1, inspection well cover body 2, pre-buried ring 3, bolt 4, hook 5, anti-fall separation net 6, auxiliary through hole 7, proximity transducer 8, bulge loop 10, spacing block set 11, bolt hole 12, support ring 13, the conical surface 14, signal lamp 15, connecting ring 20, stopper slot 21, dodge breach 22, counterbore 23, reinforcing ring 24, reinforcing rib 25, long slot bore 30, stud 40, bolt head 41, catch 42, polyhedron 43, sliding sleeve 44, sheath 45, stage clip 46, annular breach 47, first sealing ring 48, second sealing ring 49, positioning convex strip 110, detent 210.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of safety type inspection well cover as shown in Figure 1, comprise circular inspection well seat 1, inspection well cover body 2, the side, outer ring of inspection well seat 1 is provided with three layers of pre-buried ring 3, as shown in Figure 2, pre-buried ring is circumferentially evenly provided with some long slot bores 30, when inspection well seat is pre-buried, cement can enter the position between pre-buried ring in long slot bore, guarantees that inspection well cover is pre-buried stable, inspection well seat 1 upper end inner ring raises up and forms bulge loop 10, the outside of bulge loop 10 is evenly provided with four spacing block sets 11, the lower end of inspection well cover 2 body is provided with the connecting ring 20 be fastened on bulge loop, as shown in Figure 3, the inner side of connecting ring 20 to be circumferentially provided with in four sections of stopper slot 21(Fig. 3 coordinated with spacing block set shown in dotted line), one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach 22, dodge the position of breach 22 and the position one_to_one corresponding of spacing block set, the top of bulge loop 10 is provided with some bolts hole 12, inspection well cover body 2 is provided with counterbore 23, the bolt be connected with bolt hole is provided with in counterbore, the inner ring lower end of inspection well seat 1 is provided with the conical surface 14, the conical surface is evenly provided with three signal lamps 15, the incident angle of signal lamp tilts upward along the bus of the conical surface, the upper end of inspection well seat 1 is positioned at immediately below connecting ring 20 and is provided with proximity transducer 8, proximity transducer is connected with signal lamp, when inspection well cover body and inspection well seat depart from, signal lamp is in open mode, if inspection well cover body lose or stolen, the light sent at night signal lamp has good warning function, prevents pedestrian from falling in inspection shaft.
As shown in Figure 4, bulge loop 10 inner ring upper end is provided with support ring 13, the upper surface of support ring is the conical surface, the bottom surface of inspection well cover body 2 is provided with reinforcing ring 24, taper-face contact on the lateral surface of reinforcing ring and support ring supports, the position that the bottom of inspection well cover body 2 is positioned at reinforcing ring is provided with staggered reinforcing rib 25, and the outer end of reinforcing rib is connected with reinforcing ring; The top of spacing block set 11 is provided with positioning convex strip 110, and the upper side of stopper slot 21 is provided with the detent 210 coordinated with spacing raised line, when inspection well cover body to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent; The inner ring lower end edge of inspection well seat 1 is circumferentially with some hooks 5, hook is hung with anti-fall separation net 6, and inspection well cover body 2 is provided with some auxiliary through hole 7.
As shown in Figure 5, bolt 4 comprises stud 40, is located at the bolt head 41 of stud upper end, the upper end of bolt head 41 is provided with catch 42, the lateral surface of catch is periphery, be rotationally connected between catch and bolt head, the upper-end part of driving of bolt head 41 is provided with the polyhedron 43 of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve 44, stud 40 is provided with sheath 45 with the link of bolt head 41, stage clip 46 is provided with in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach 47 between the upper end of sliding sleeve and catch; Sheath 45 and sliding sleeve 44 matched in clearance, the lower end outside of sliding sleeve 44 is provided with the first sealing ring 48 for sealing with sheath inner ring, and the upper end of sliding sleeve is provided with the second sealing ring 49 for sealing with catch downside.Want to open this kind of bolt normally, need to adopt specific frock, and important affair first knows polyhedral shape, just can open, special frock snaps in annular breach from both sides together, sliding sleeve is squeezed and moves down, thus polyhedron is exposed, as shown in Figure 6, special frock inner portion blocks polyhedron, then stud is driven to rotate, unthread bolts; Therefore the ordinary people except the setter of inspection well cover, the producer, almost be difficult to open bolt, therefore inspection well cover body can be prevented to be accidentally opened or to be stolen, even if adopt the mode destroyed to open bolt, also need between inspection well cover body and inspection well seat to carry first, rotate again, again on the ad hoc fashion carried just can open, therefore double anti-theft, anti-theft effect is very good, and inspection well cover is safeguarded specially, for dismounting personnel, inspection well cover dismounting still very easily.
By reference to the accompanying drawings, using method of the present invention is as follows: inspection well seat is embedded in catch pit port place, inspection well cover body is buckled on bulge loop, and four spacing block sets outside bulge loop are dodged indentation, there from four respectively and stretched in stopper slot, then rotates inspection well cover body, make counterbore and bolt hole to it, now spacing block set with dodge breach and stagger, positioning convex strip snaps in detent simultaneously, and then logical bolt connects, now proximity transducer receives the signal of connecting ring, and signal lamp is in closed condition, when inspection well cover body is opened or changed to needs, special frock is first adopted to open bolt, again auxiliary mould is inserted in auxiliary through hole, auxiliary mould is utilized to put forward one end distance on inspection well cover body, positioning convex strip and detent are thrown off, then auxiliary mould is utilized to drive inspection well cover body to rotate an angle, positioning convex strip is moved to and dodges indentation, there, finally whole inspection well cover body is mentioned and throw off with inspection well seat, after inspection well cover body is opened, proximity transducer can't detect signal, now penetrate light warning pedestrian in signal lamp, therefore no matter inspection well cover body is because why reason is opened, signal lamp all can emit beam warning pedestrian take care.Therefore, the present invention has following beneficial effect: when (1) inspection well cover body is separated with inspection well seat, and signal lamp emits beam and warns pedestrian, prevents pedestrian from crashing into night in inspection shaft, uses safer; (2) inspection well cover bulk strength is high, compressive property good, long service life; (3) bolt theftproof performance is good, and ordinary people is almost difficult to rotating bolt, good anti-theft effect; (4) even if bolt is destroyed, also need specific unfolding mode just can open inspection well cover body, ordinary people is difficult to dismounting inspection well cover body, good anti-theft effect.
Claims (10)
1. a safety type inspection well cover, comprise circular inspection well seat, inspection well cover body, it is characterized in that, the side, outer ring of described inspection well seat is provided with pre-buried ring, described inspection well seat upper end inner ring raises up formation bulge loop, the lower end of described inspection well cover body is provided with the connecting ring be rotatablely fastened on bulge loop, the top of described bulge loop is provided with some bolts hole, described inspection well cover body is provided with counterbore, the bolt be connected with bolt hole is provided with in counterbore, described bulge loop inner ring upper end is provided with support ring, the upper surface of support ring is the conical surface, the bottom surface of described inspection well cover body is provided with reinforcing ring, taper-face contact on the lateral surface of described reinforcing ring and support ring supports, the position that the bottom of described inspection well cover body is positioned at reinforcing ring is provided with staggered reinforcing rib, the outer end of described reinforcing rib is connected with reinforcing ring, the inner ring of described inspection well seat is also provided with signal lamp, the upper end of inspection well seat is positioned at immediately below connecting ring and is provided with proximity transducer, described proximity transducer is connected with signal lamp, when inspection well cover body and inspection well seat depart from, signal lamp is in open mode.
2. a kind of safety type inspection well cover according to claim 1, it is characterized in that, the outside of described bulge loop is evenly provided with some spacing block sets, the inner side of connecting ring is circumferentially provided with the some sections of stopper slots coordinated with spacing block set, one end of each stopper slot is provided with throughly with connecting ring lower end dodges breach, dodges the position of breach and the position one_to_one corresponding of spacing block set.
3. a kind of safety type inspection well cover according to claim 1 and 2, is characterized in that, the inner ring lower end edge of described inspection well seat is circumferentially with some hooks, hook is hung with anti-fall separation net.
4. a kind of safety type inspection well cover according to claim 2, it is characterized in that, the top of described spacing block set is provided with positioning convex strip, the upper side of described stopper slot is provided with the detent coordinated with spacing raised line, when inspection well cover body to be connected with bulge loop and rotate to counterbore be communicated with bolt hole time, positioning convex strip just in time snaps in detent.
5. a kind of safety type inspection well cover according to claim 1 or 2 or 4, is characterized in that, described inspection well cover body is provided with some auxiliary through hole.
6. a kind of safety type inspection well cover according to claim 1, is characterized in that, described pre-buried ring is provided with some long slot bores.
7. a kind of safety type inspection well cover according to claim 1, it is characterized in that, described bolt comprises stud, is located at the bolt head of stud upper end, the upper end of described bolt head is provided with catch, the upper-end part of driving of bolt head is provided with the polyhedron of clamping position when rotating for stud, polyhedral outside is arranged with sliding sleeve, the link of described stud and bolt head is provided with sheath, stage clip is provided with in sheath, the upper end of stage clip and the lower end in contact of sliding sleeve, be provided with annular breach between the upper end of described sliding sleeve and catch.
8. a kind of safety type inspection well cover according to claim 7, it is characterized in that, described sheath and sliding sleeve matched in clearance, the lower end outside of described sliding sleeve is provided with the first sealing ring for sealing with sheath inner ring, and the upper end of described sliding sleeve is provided with the second sealing ring for sealing with catch downside.
9. a kind of safety type inspection well cover according to claim 7, is characterized in that, be rotationally connected between described catch and bolt head upper end.
10. a kind of safety type inspection well cover according to claim 1, it is characterized in that, the inner ring lower end of described inspection well seat is provided with the conical surface, and described signal lamp has three at least, each signal lamp is evenly arranged on the conical surface, and the incident angle of signal lamp tilts upward along the bus of the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308893.0A CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308893.0A CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040738A true CN105040738A (en) | 2015-11-11 |
| CN105040738B CN105040738B (en) | 2017-01-18 |
Family
ID=54447684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510308893.0A Active CN105040738B (en) | 2015-06-09 | 2015-06-09 | Safety inspection-well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105040738B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649189A (en) * | 2015-12-16 | 2016-06-08 | 北京路桥瑞通养护中心有限公司 | Rainwater grate well and construction method for road surface structure containing rainwater grate well |
| CN106284609A (en) * | 2016-10-17 | 2017-01-04 | 无锡市诺智能科技有限公司 | A kind of lifting type trench cover plate structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693826Y (en) * | 2003-06-03 | 2005-04-20 | 苏州市广卫特种水泥制品有限公司 | Steel fiber concrete rag well base for manhole |
| KR100653924B1 (en) * | 2006-04-03 | 2006-12-06 | (주) 시흥 | Manhole cover for waterworks sewer and electricity and communication with checking body |
| CN101089300A (en) * | 2007-07-05 | 2007-12-19 | 吕运征 | Method for producing manhole cover |
| CN202745074U (en) * | 2012-06-19 | 2013-02-20 | 李代一 | Double-layer revolving shaft type safety manhole cover |
| CN202899167U (en) * | 2012-11-16 | 2013-04-24 | 安徽俊意机械有限公司 | Height-adjustable inspection well |
| CN204715411U (en) * | 2015-06-09 | 2015-10-21 | 长兴恒绵塑业有限公司 | Safety type inspection well cover |
-
2015
- 2015-06-09 CN CN201510308893.0A patent/CN105040738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693826Y (en) * | 2003-06-03 | 2005-04-20 | 苏州市广卫特种水泥制品有限公司 | Steel fiber concrete rag well base for manhole |
| KR100653924B1 (en) * | 2006-04-03 | 2006-12-06 | (주) 시흥 | Manhole cover for waterworks sewer and electricity and communication with checking body |
| CN101089300A (en) * | 2007-07-05 | 2007-12-19 | 吕运征 | Method for producing manhole cover |
| CN202745074U (en) * | 2012-06-19 | 2013-02-20 | 李代一 | Double-layer revolving shaft type safety manhole cover |
| CN202899167U (en) * | 2012-11-16 | 2013-04-24 | 安徽俊意机械有限公司 | Height-adjustable inspection well |
| CN204715411U (en) * | 2015-06-09 | 2015-10-21 | 长兴恒绵塑业有限公司 | Safety type inspection well cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649189A (en) * | 2015-12-16 | 2016-06-08 | 北京路桥瑞通养护中心有限公司 | Rainwater grate well and construction method for road surface structure containing rainwater grate well |
| CN106284609A (en) * | 2016-10-17 | 2017-01-04 | 无锡市诺智能科技有限公司 | A kind of lifting type trench cover plate structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105040738B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105019477B (en) | Multi-functional inspection well cover component | |
| CN105040739B (en) | Shock absorption type inspection well lid assembly | |
| CN204753646U (en) | Multi -functional inspection shaft lid subassembly | |
| CN103758152B (en) | There is the well lid opening protection and alarm function | |
| CN109162300B (en) | Wisdom drainage well lid | |
| CN203716184U (en) | Manhole cover available for opening protection and alarm | |
| CN105040738A (en) | Safety inspection-well cover | |
| CN204715411U (en) | Safety type inspection well cover | |
| CN107268687A (en) | City intelligent drain well lid | |
| CN204715414U (en) | Shock-absorbing type inspection well cover assembly | |
| CN204023439U (en) | Without well lid inspection shaft safety device | |
| CN204715415U (en) | Anti-drop type inspection well cover assembly | |
| CN204715409U (en) | Reinforced inspection well cover | |
| CN105040737B (en) | Reinforced manhole cover | |
| CN204715416U (en) | There is the inspection well cover structure of warning function | |
| CN208830189U (en) | A kind of municipal construction warning sign | |
| CN203741878U (en) | Well lid device for highway engineering | |
| CN204849843U (en) | Well lid of can be dropproof and reporting to police | |
| CN202787481U (en) | Drainage well cover structure | |
| CN213173830U (en) | Well lid for municipal works | |
| CN210737613U (en) | Anti-theft inspection well cover | |
| KR100950544B1 (en) | Cable fixing device for streetlight | |
| CN209870112U (en) | High-performance oil tank cover of wheel excavator | |
| CN204715412U (en) | Anti-slip type inspection well cover assembly | |
| CN213897218U (en) | Inspection well mouth anti-falling structure and pipe network inspection well anti-falling safety device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190705 Address after: Room 805-807, 8th floor, 2598 Central Avenue, Taihu Street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Hengmian Technology Co.,Ltd. Address before: 313106 Hongqiao Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: CHANGXING HENGMIAN PLASTIC INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230911 Address after: 242807 Dongbian Group, Yongping Village, Dingqiao Town, Qingyang County, Chizhou City, Anhui Province Patentee after: Anhui Hengmian Intelligent Equipment Co.,Ltd. Address before: Room 805-807, 8th floor, 2598 Central Avenue, Taihu Street, Changxing County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Hengmian Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |