CN2905908Y - Anti-theft cover for manhole - Google Patents
Anti-theft cover for manhole Download PDFInfo
- Publication number
- CN2905908Y CN2905908Y CN 200620020824 CN200620020824U CN2905908Y CN 2905908 Y CN2905908 Y CN 2905908Y CN 200620020824 CN200620020824 CN 200620020824 CN 200620020824 U CN200620020824 U CN 200620020824U CN 2905908 Y CN2905908 Y CN 2905908Y
- Authority
- CN
- China
- Prior art keywords
- torsion bar
- gear
- jamming rod
- hole
- well lid
- 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
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Abstract
The utility model provides an anti-theft manhole cover comprising a cover (1) and an anti-theft mechanism. The cover (1) has a cavity (11) on the cover surface and the anti-theft mechanism comprises a torsion bar(2), a gear, a left clamp lever(4) and a right clamp lever (5) and a support (6)of clamp lever. The torsion bar (2) penetrate through the through hole (13) of the cavity on the cover and the central hole(31) of a gear from top to bottom in sequence and is fixed through a riveting pin (7) and the gear (3) ; the left clamp lever (4) and the right clamp lever (5) are meshed with the torsion bar from both sides of the gear (3) respectively, and the left clamp bar (4) and the right clamp lever (5) are fixed on the lower surface of the cover through bar clasps (17) respectively; the support (6) of clamp lever has a T-shape and the holes (61) (62) on both ends of the arms of the support (6) of clamp lever (6) are both inserted through in the fixed links (18) (19) longitudinally mounted on the lower surface of the cover (1); the fixed link (18) (19) are provided with springs (8) (9), which press the support (6)of clamp lever to the gear (3), and the pin (64) and the clamp pin of clamp lever (63) penetrate through the through holes (21) of the torsion bar (2) and the clamp holes on the left clamp lever respectively. The cover feature simple structure and low cost. And the anti-theft device is not easy to open or damage.
Description
Technical field
The utility model relates to well lid.
Background technology
Existing anti-stealing manhole cover complex structure, cost height, its anti-theft device is opened easily and is destroyed.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, cost is low, anti-theft device is not easy the anti-stealing manhole cover that is opened and destroyed.
Technical solution of the present utility model is: it is made of well lid and anti-theft device; the well lid upper surface is provided with groove; groove top is provided with over cap; the groove bottom surface is provided with through hole; the well lid soffit is provided with the shaped as frame reinforcing rib; anti-theft device is by torsion bar; gear; left jamming rod; right jamming rod and kelly card architecture become; torsion bar is the column that prismatic lower cylindrical shape middle part, top vertically is provided with through hole; the torsion bar lower cylindrical penetrates in the well lid groove through hole from the top down; its upper end prism is stuck in groove through hole top; torsion bar cylinder lower end penetrates in the gear mesopore; torsion bar and gear fix by riveting pin; left jamming rod; right jamming rod is respectively the rhabodoid that an end limit portion is provided with tooth; left jamming rod; right jamming rod is meshed with it respectively from the gear both sides; left jamming rod; right jamming rod is not with increment towards on the contrary; its termination is through at respectively in the hole clipping that the well lid reinforcing rib is provided with; left jamming rod; right jamming rod is fixed on the well lid soffit by clip; kelly card frame is a T font body; its transverse arm two ends vertically are respectively equipped with the hole; the trailing arm end vertically is provided with the kelly bayonet lock; transverse arm and trailing arm intersection vertically are provided with pin rod; kelly card frame transverse arm two stomidiums are through respectively on the fixed bar of vertically being located at the well lid soffit; be respectively equipped with spring on the fixed bar with kelly card frame pressed toward gear, pin rod and kelly bayonet lock are through at respectively on torsion bar through hole and the left jamming rod in the set hole clipping from bottom to top.
Technique effect of the present utility model is: it is simple in structure, cost is low, and its anti-theft device is not easy to be opened and to be destroyed.
Description of drawings
Fig. 1 is the utility model embodiment longitudinal sectional view.
Fig. 2 is the utility model embodiment three-dimensional cutaway view.
The specific embodiment
As shown in the figure; it is made of well lid 1 and anti-theft device; well lid 1 upper surface is provided with groove 11; groove 11 tops are provided with over cap 12; groove 11 bottom surfaces are provided with through hole 13; well lid 1 soffit is provided with shaped as frame reinforcing rib 14; anti-theft device is by torsion bar 2; gear 3; left jamming rod 4; right jamming rod 5 and kelly card frame 6 constitute; torsion bar 2 vertically is provided with the column of through hole 21 for prismatic lower cylindrical shape middle part, top; torsion bar 2 lower cylindrical penetrate in the well lid groove through hole 13 from the top down; its upper end prism is stuck in groove 11 through holes 13 tops; torsion bar 2 cylinder lower ends penetrate in gear 3 mesopores 31; torsion bar 2 and gear 3 fix by riveting pin 7; left jamming rod 4; right jamming rod 5 is respectively the rhabodoid that an end limit portion is provided with tooth; left jamming rod 4; right jamming rod 5 is meshed with it respectively from gear 3 both sides; left jamming rod 4; right jamming rod 5 is not with increment towards on the contrary; its termination is through at the hole clipping 15 that the well lid reinforcing rib is provided with respectively; in 16; left jamming rod 4; right jamming rod 5 is fixed on well lid 1 soffit by clip 17 respectively; kelly card frame 6 is a T font body; its transverse arm two ends vertically are respectively equipped with hole 61; 62; the trailing arm end vertically is provided with kelly bayonet lock 63; transverse arm and trailing arm intersection vertically are provided with pin rod 64; kelly card frame 6 transverse arms two stomidiums 61; 62 are through the fixed bar 18 of vertically being located at well lid 1 soffit respectively; on 19; fixed bar 18; be respectively equipped with spring 8 on 19; 9 with kelly card frame 6 pressed toward gear 3, and pin rod 64 and kelly bayonet lock 63 are through at respectively on torsion bar 2 through holes 21 and the left jamming rod 4 in the set hole clipping 41 from bottom to top.
This anti-stealing manhole cover uses private key to open.
Claims (3)
1; a kind of anti-stealing manhole cover; it is made of well lid (1) and anti-theft device; it is characterized in that: well lid (1) upper surface is provided with groove (11); groove (11) top is provided with over cap (12); groove (11) bottom surface is provided with through hole (13); well lid (1) soffit is provided with shaped as frame reinforcing rib (14); anti-theft device is by torsion bar (2); gear (3); left jamming rod (4); right jamming rod (5) and kelly card frame (6) constitute; torsion bar (2) vertically is provided with the column of through hole (21) for prismatic lower cylindrical shape middle part, top; torsion bar (2) lower cylindrical penetrates in the well lid groove through hole (13) from the top down; its upper end prism is stuck in groove (11) through hole (13) top; torsion bar (2) cylinder lower end penetrates in the gear mesopore (31); torsion bar (2) and gear (3) fix by riveting pin (7); left jamming rod (4); right jamming rod (5) is respectively the rhabodoid that an end limit portion is provided with tooth; left jamming rod (4); right jamming rod (5) is meshed with it respectively from gear (3) both sides; left jamming rod (4); right jamming rod (5) is not with increment towards on the contrary; its termination is through at the hole clipping (15) that the well lid reinforcing rib is provided with respectively; (16) in; left jamming rod (4); right jamming rod (5) is fixed on well lid (1) soffit by clip (17) respectively; kelly card frame (6) is a T font body; its transverse arm two ends vertically are respectively equipped with hole (61); (62); the trailing arm end vertically is provided with kelly bayonet lock (63); transverse arm and trailing arm intersection vertically are provided with pin rod (64); kelly card frame (6) transverse arm two stomidiums (61); (62) be through the fixed bar (18) of vertically being located at well lid (1) soffit respectively; (19) on; fixed bar (18); (19) be respectively equipped with spring (8) on; (9) with kelly card frame (6) pressed toward gear (3), pin rod (64) and kelly bayonet lock (63) are through at torsion bar (2) through hole (21) from bottom to top respectively and left jamming rod (4) is gone up in the set hole clipping (41).
2, anti-stealing manhole cover as claimed in claim 1 is characterized in that described torsion bar (2) top is triangular prism shaped.
3, anti-stealing manhole cover as claimed in claim 1 is characterized in that described shaped as frame reinforcing rib (14) is provided with lid (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020824 CN2905908Y (en) | 2006-05-14 | 2006-05-14 | Anti-theft cover for manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020824 CN2905908Y (en) | 2006-05-14 | 2006-05-14 | Anti-theft cover for manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2905908Y true CN2905908Y (en) | 2007-05-30 |
Family
ID=38114543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620020824 Expired - Fee Related CN2905908Y (en) | 2006-05-14 | 2006-05-14 | Anti-theft cover for manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2905908Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853628A (en) * | 2019-01-04 | 2019-06-07 | 中国联合网络通信集团有限公司 | Communication Manhole's well cover lockset mounting rack and Communication Manhole's well lid |
| CN111733889A (en) * | 2020-06-10 | 2020-10-02 | 李钰 | Well lid with automatic function of uncapping |
-
2006
- 2006-05-14 CN CN 200620020824 patent/CN2905908Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853628A (en) * | 2019-01-04 | 2019-06-07 | 中国联合网络通信集团有限公司 | Communication Manhole's well cover lockset mounting rack and Communication Manhole's well lid |
| CN111733889A (en) * | 2020-06-10 | 2020-10-02 | 李钰 | Well lid with automatic function of uncapping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |