CN206956785U - A kind of self-locking type manhole cover - Google Patents
A kind of self-locking type manhole cover Download PDFInfo
- Publication number
- CN206956785U CN206956785U CN201720515632.0U CN201720515632U CN206956785U CN 206956785 U CN206956785 U CN 206956785U CN 201720515632 U CN201720515632 U CN 201720515632U CN 206956785 U CN206956785 U CN 206956785U
- Authority
- CN
- China
- Prior art keywords
- bar
- self
- locking
- manhole cover
- hole
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of self-locking type manhole cover, including crib and well lid, and the medial surface bottom of crib is provided with support ring, and four angles of well lid are provided with triangular box, and the upper surface of each triangular box is provided with first through hole, self-locking device is provided with triangular box.Self-locking type manhole cover provided by the utility model, is provided with self-locking structure, automatic locking and needs particular tool to unlock, and effectively prevent the generation of stolen phenomenon.
Description
Technical field
It the utility model is related to a kind of inspection well cover, more particularly to a kind of anti-stealing manhole cover with auto-lock function.
Background technology
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 an outlet for leading to ground every one section, by pipeline to ground
This section is referred to as inspection shaft, and catch pit port is generally concordant with ground, it is therefore desirable to a lid, for the lid of lid inspection shaft, is inspection shaft
Lid.
Because economic value be present in inspection well cover, and it is unattended, stolen phenomenon happens occasionally, and not only causes economic loss,
Great potential safety hazard also be present.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of self-locking type manhole cover, is prevented
The generation of stolen phenomenon.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of self-locking type manhole cover, including crib and well lid, the medial surface bottom of the crib is provided with support ring, described
Four angles of well lid are provided with triangular box, and the upper surface of each triangular box is provided with first through hole, is set in the triangular box
It is equipped with self-locking device.
Further, the self-locking device includes locking structure and limiting structure, and the locking structure includes longitudinally fixed
Plate, tapered end bar and two horizontal fix bars, the front end of the tapered end bar are arranged between described two horizontal fix bars, the lock
The end of head rod is connected by spring with the front end face of the longitudinally fixed plate, and it is logical that second is provided with the longitudinally fixed plate
Hole, the rear end face side of the longitudinally fixed plate are provided with a spacing cross bar, rotation are provided with above the longitudinally fixed plate
Bull stick, the end of the tapered end bar are connected with one end of steel wire, and the steel wire bypasses the spacing cross bar, the steel wire it is another
End connects the end of the swingle, and manhole appendix is provided with well lid side wall corresponding to the tapered end bar front end；The limitation knot
Structure includes L-type bar and T-bar, and the L-type bar is located inside the triangular box, and the T-bar is located at outside the triangular box, institute
The bottom surface for stating triangular box is provided with third through-hole, and the stock of the L-type bar is with the stock of the T-bar at the third through-hole
Connection, is set with spring on the stock of the T-bar, the diameter of the third through-hole be less than the long shank diameter of the L-type bar and
More than the long shank diameter of the T-bar；The upper surface of the tapered end bar sets fluted, and the cross bar of the L-type bar is stuck in described
In groove.
Further, the first through hole be shaped as it is circular or quincunx.
Further, the upper surface of the well lid is provided with low groove.
Further, the bottom of the low groove is provided with reinforcement.
Further, the inspection well cover is integrally made of stainless steel, galvanized sheet, carbon steel sheet or alloy sheets.
A kind of self-locking type manhole cover of the utility model, is provided with self-locking structure, automatic locking and needs particular tool to unlock, and has
Effect prevents the generation of stolen phenomenon.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the schematic top plan view of crib in the utility model；
Fig. 2 is the schematic top plan view of well lid in the utility model；
Fig. 3 is the schematic diagram inside the utility model intermediate cam box.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in Figure 1, 2, 3, a kind of self-locking type manhole cover, including crib 1 and well lid 2, the medial surface bottom of crib 1 are set
There is support ring 3, four angles of well lid 2 are provided with triangular box 4, and the upper surface of each triangular box 4 is provided with first through hole, triangular box
Self-locking device is provided with 4.There is the particular tool of hooked shape structure by using front end, stretch into first through hole unblock self-locking dress
Put and lift upwards, complete the unlatching of well lid.
Self-locking device includes locking structure and limiting structure, and locking structure includes longitudinally fixed plate 5, tapered end bar 6 and two
Horizontal fix bar 7, the front end of tapered end bar 6 are arranged between two horizontal fix bars 7, and the end of tapered end bar 6 by spring 8 and is indulged
Connected to the front end face of fixed plate 5, the second through hole is provided with longitudinally fixed plate 5, the rear end face side of longitudinally fixed plate 5 is set
There is a spacing cross bar 9, the top of longitudinally fixed plate 5 is provided with swingle 10, and the end of tapered end bar 6 is connected with the one of steel wire 11
End, steel wire 11 bypass spacing cross bar 9, the end of the other end connection swingle 10 of steel wire 11, well lid corresponding to the front end of tapered end bar 6
Manhole appendix is provided with 2 side walls；Limiting structure includes L-type bar 12 and T-bar 13, and L-type bar 12 is located inside triangular box 4, T-bar
13 outside triangular box 4, and the bottom surface of triangular box 4 is provided with third through-hole, and the stock of L-type bar 12 exists with the stock of T-bar 13
Connected at third through-hole, spring 8 is set with the stock of T-bar 13, the diameter of third through-hole is less than the long shank diameter of L-type bar 12
And more than the long shank diameter of T-bar 13；The upper surface setting of tapered end bar 6 is fluted, and the cross bar of L-type bar 12 is stuck in groove.
Operation principle：
Locking process：When well lid is put into crib, T-bar lower end first contacts support ring and limiting structure is integrally moved up, L
The cross bar of type bar removes out of groove, and spring applies thrust to the end of tapered end bar, and the front end of tapered end bar passes from manhole appendix, inserts
Enter in default corresponding aperture, to complete the locking of well lid on crib；
Releasing process：Instrument enters from first through hole, pushes the front end of swingle, and the end of swingle rises, and pulls steel
Silk is so as to which tapered end bar be retracted, and after tapered end bar front end is retracted into triangular box completely, above carries instrument so as to lifting well lid, spring is to T-shaped
Bar lower end applies thrust, and the cross bar of L-type bar is caught in groove, completes the unblock of well lid.
Being shaped as first through hole is quincunx.
The upper surface of well lid 2 is provided with low groove 14, is provided with filler in low groove, filler be soil, cement, pitch,
One kind in concrete, floor tile or marble, it is consistent the ground of itself and surrounding environment.
The bottom of low groove 14 is provided with reinforcement 15, for ensureing the bulk strength of well lid.
Inspection well cover is integrally made of stainless steel, galvanized sheet, carbon steel sheet or alloy sheets, and quality is good, service life length.
A kind of self-locking type manhole cover of the utility model, is provided with self-locking structure, automatic locking and needs particular tool to unlock, and has
Effect prevents the generation of stolen phenomenon.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
- A kind of 1. self-locking type manhole cover, it is characterised in that：Including crib and well lid, the medial surface bottom of the crib is provided with branch Circle is held, four angles of the well lid are provided with triangular box, and the upper surface of each triangular box is provided with first through hole, and described three Self-locking device is provided with the box of angle.
- A kind of 2. self-locking type manhole cover according to claim 1, it is characterised in that：The self-locking device includes locking structure And limiting structure,The locking structure includes longitudinally fixed plate, tapered end bar and two horizontal fix bars, and the front end of the tapered end bar is arranged on Between described two horizontal fix bars, the end of the tapered end bar is connected by spring with the front end face of the longitudinally fixed plate, The second through hole is provided with the longitudinally fixed plate, the rear end face side of the longitudinally fixed plate is provided with a spacing cross bar, Be provided with swingle above the longitudinally fixed plate, the end of the tapered end bar is connected with one end of steel wire, the steel wire around The spacing cross bar is crossed, the other end of the steel wire connects the end of the swingle, well lid corresponding to the tapered end bar front end Manhole appendix is provided with side wall；The limiting structure includes L-type bar and T-bar, and the L-type bar is located inside the triangular box, and the T-bar is located at institute State outside triangular box, the bottom surface of the triangular box is provided with third through-hole, the stock of the L-type bar and the stock of the T-bar Connected at the third through-hole, be set with spring on the stock of the T-bar, the diameter of the third through-hole is less than the L The long shank diameter of type bar and the long shank diameter for being more than the T-bar；The upper surface setting of the tapered end bar is fluted, and the cross bar of the L-type bar is stuck in the groove.
- A kind of 3. self-locking type manhole cover according to claim 1, it is characterised in that：The first through hole is shaped as circle It is or quincunx.
- A kind of 4. self-locking type manhole cover according to claim 1, it is characterised in that：The upper surface of the well lid is provided with down Groove.
- A kind of 5. self-locking type manhole cover according to claim 4, it is characterised in that：The bottom of the low groove, which is provided with, to be added Strengthening tendons.
- 6. according to a kind of self-locking type manhole cover described in claim any one of 1-5, it is characterised in that：The inspection well cover is integrally adopted It is made of stainless steel, galvanized sheet, carbon steel sheet or alloy sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515632.0U CN206956785U (en) | 2017-05-10 | 2017-05-10 | A kind of self-locking type manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515632.0U CN206956785U (en) | 2017-05-10 | 2017-05-10 | A kind of self-locking type manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206956785U true CN206956785U (en) | 2018-02-02 |
Family
ID=61374889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720515632.0U Expired - Fee Related CN206956785U (en) | 2017-05-10 | 2017-05-10 | A kind of self-locking type manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206956785U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248492A (en) * | 2018-03-14 | 2018-07-06 | 中广核贝谷科技股份有限公司 | A kind of self-locking device for radiation imaging check system middle plateform trailer |
| CN109044304A (en) * | 2018-07-13 | 2018-12-21 | 芜湖圣美孚科技有限公司 | A kind of instrument for measuring blood pressure mounting box and its application method |
| CN113756368A (en) * | 2021-10-22 | 2021-12-07 | 吴建富 | Prevent municipal sewer inspection shaft lid that stink drifted away |
-
2017
- 2017-05-10 CN CN201720515632.0U patent/CN206956785U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248492A (en) * | 2018-03-14 | 2018-07-06 | 中广核贝谷科技股份有限公司 | A kind of self-locking device for radiation imaging check system middle plateform trailer |
| CN108248492B (en) * | 2018-03-14 | 2020-12-22 | 中广核贝谷科技有限公司 | Self-locking device for platform trailer in radiation imaging inspection system |
| CN109044304A (en) * | 2018-07-13 | 2018-12-21 | 芜湖圣美孚科技有限公司 | A kind of instrument for measuring blood pressure mounting box and its application method |
| CN113756368A (en) * | 2021-10-22 | 2021-12-07 | 吴建富 | Prevent municipal sewer inspection shaft lid that stink drifted away |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206956785U (en) | A kind of self-locking type manhole cover | |
| CN103205980B (en) | Offshore wind turbine large diameter single pile foundation and construction method thereof | |
| CN205712137U (en) | Foundation pit supporting construction | |
| CN101492917A (en) | Hollow anchor stock circulating pressure slip casting construction method and special slip casting system thereof | |
| CN206887776U (en) | A kind of compensation provisions for grouting of box beam fining twisted steel vertical prestressing bar | |
| CN202073098U (en) | Anti-deflection pipe thread connector flow guiding device | |
| CN206680951U (en) | A kind of channel protection structure of hydraulic engineering | |
| CN207863464U (en) | A kind of new take-off seam aluminum alloy pattern plate | |
| CN103527850B (en) | The non-excavating construction system of ultra-large caliber PE waste pipe | |
| CN206377358U (en) | A kind of new concrete pipeline | |
| CN207160024U (en) | External supporting structure in a kind of building foundation pit | |
| CN203757176U (en) | Non-excavation-type pipeline replacement device | |
| CN108930323A (en) | A kind of pipe jacking construction method | |
| CN201362847Y (en) | Circulating pressure grouting system for hollow anchor rod | |
| CN205369281U (en) | Radial precipitation structure | |
| CN103711119A (en) | Drilled-pile mud pneumatic anti-settling circulatory system and application method thereof | |
| CN204357461U (en) | A kind of without vertical rib resin anchor | |
| CN103527849B (en) | The non-excavating construction method of ultra-large caliber PE waste pipe | |
| CN208668423U (en) | The superfilled control device of drill-pouring pile underwater concrete | |
| CN205604239U (en) | Prefabricated bamboo formula dado structure in stake hole | |
| CN107190713B (en) | Karst funnel reservoir and flood discharge tunnel and excavation method thereof | |
| CN207073185U (en) | The equipped inspection shaft for carrying mud basket | |
| CN206234497U (en) | A kind of power station explosion-proof pressure tube assembly | |
| CN205804333U (en) | A kind of instrument preventing dry operation borehole filling pile cage of reinforcement from installing off normal | |
| CN103437380B (en) | The floating pressure relief device in anti-pond and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210510 |