CN202925568U - Manhole cover theft-prevention device and manhole cover comprising same - Google Patents
Manhole cover theft-prevention device and manhole cover comprising same Download PDFInfo
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- CN202925568U CN202925568U CN 201220604665 CN201220604665U CN202925568U CN 202925568 U CN202925568 U CN 202925568U CN 201220604665 CN201220604665 CN 201220604665 CN 201220604665 U CN201220604665 U CN 201220604665U CN 202925568 U CN202925568 U CN 202925568U
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- rotating disk
- antitheft device
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- well cover
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a manhole cover theft-prevention device and a manhole cover comprising the same. The manhole cover theft-prevention device comprises a shell (10), a spacing part, a rotary table (20), a handle (14) and a locking mechanism, wherein the shell (10) is connected with the manhole cover; the spacing part is installed on the shell (10) and is provided with an extending device and a retraction device; the rotary table (20) is arranged in the shell; the rotary table (20) is in driving connection with the spacing part to drive the spacing part to be switched between an extending position and a retraction position; the handle (14) is connected with the rotary table (20) to drive the rotary table (20) to rotate; the locking mechanism has a locking position for locking the rotary table (20), and an unlocking position for unlocking the rotary table (20); when the locking mechanism is positioned in the locking position, the spacing part is positioned in the extending position; and when the locking mechanism is positioned in the unlocking position, the spacing part is positioned in the retraction position. According to the manhole cover theft-prevention device disclosed by the utility model, the manhole cover can be locked with a walling crib so as to effectively avoid the phenomenon that the manhole cover and the electric power facility of the underground tunnel are stolen.
Description
Technical field
The utility model relates to the anti-theft device technical field, in particular to a kind of well cover antitheft device and have its well lid.Background technology
At present, urban road is provided with a lot of underground cable tunnels, and the well head place in tunnel is provided with well lid, and well lid is divided into internal layer lid and outer cover, outer cover be set be for fill up tunnel opening, become a plane with ground.It is that the edge of well head is provided with two walling cribs that support inside cover and outer cover is arranged for moistureproof and dustproof that the internal layer lid is set.Existing well lid can't be locked, and can arbitrarily open, and causes the electric power facility of well lid and subterranean tunnel easily stolen.
The utility model content
The utility model aims to provide a kind of well lid that can make the well cover antitheft device of well lid and walling crib locking and have it.
To achieve these goals, according to an aspect of the present utility model, provide a kind of well cover antitheft device, comprising: housing is connected with well lid; Limiting section is arranged on housing, and has extended position and retracted position; Rotating disk is arranged in housing, and rotating disk drives with limiting section and is connected, and drives limiting section and switches between extended position and retracted position; Handle is connected with rotating disk and drives dial rotation; Lockable mechanism has the lock position of locking rotating disk and the unlocked position of release rotating disk; Wherein, when lockable mechanism is in the lock position, limiting section is in extended position, and when lockable mechanism is in the unlocked position, limiting section is in retracted position.
Further, limiting section is gag lever post, is located in the through hole of housing; Well cover antitheft device also comprises pull bar, and pull bar is hinged between an end and rotating disk of gag lever post.
Further, gag lever post is three, forms 120 ° of angles between the axis of two adjacent gag lever posts, be provided with reinforcing rib around the through hole of housing, the through hole of housing is provided with axle sleeve, and gag lever post is arranged in axle sleeve, and the both sides along its length of pull bar have respectively flange.
Further, the center of rotating disk is provided with turning cylinder, and an end of turning cylinder is connected with handle, and turning cylinder is provided with screw thread, is connected with two nuts on screw thread, and the rotating disk clamping is arranged between two nuts.
Further, rotating disk is circular, and the edge of rotating disk has the spline breach; Lockable mechanism also comprises: lock core; Driving lever, an end of driving lever and lock pin coaxial are rotated; The bending bar, comprise the first bar section and the second bar section, the junction of the first bar section and the second bar section forms corner part, when corner part coordinates with the spline breach, lockable mechanism is in the lock position, when corner part separates with the spline breach, lockable mechanism is in the unlocked position, the middle part of the first bar section is hinged in housing, and the free end of the second bar section has the driving lever auxiliary section that coordinates with driving lever.
Further, the bending bar is L-shaped; Driving lever is arranged between driving lever auxiliary section and rotating disk; Lockable mechanism also comprises: elastic component, and the first end of elastic component is fixed in housing, and the second end of elastic component connects the free end of the first bar section.
Further, the middle part of the first bar section has hinge hole, is equipped with bearing pin in hinge hole, and an end of bearing pin is connected on housing.
Further, also comprise preventing the first bar section along the back-up ring of the axial float of bearing pin, back-up ring removably is connected on bearing pin.
Further, the edge of the end face that housing coordinates with well lid is provided with a plurality of fixed parts, and fixed part is provided with fixing hole.
According on the other hand of the present utility model, a kind of well lid is provided, comprise well lid body and the well cover antitheft device that is fixedly connected on the well lid body, well cover antitheft device is above-mentioned well cover antitheft device.
Use the technical solution of the utility model, the lockable mechanism of well cover antitheft device has lock position and unlocked position, when needs locking well lid, makes lockable mechanism be in the lock position, this moment, rotating disk was by locking, and rotating disk is in limiting section during by locking to stretch out the extended position of the outside of housing.The limiting section that is in extended position can be inserted in walling crib and then make the well lid that is connected with housing can't separate with walling crib, has played the purpose that makes well lid and walling crib locking.Need to open well lid the time, lockable mechanism is in the unlocked position when maintenance or other situations, this moment, rotating disk was unlocked, and limiting section was in be retracted to the retracted position of the inside of housing.The limiting section that is in retracted position can separate and then make the well lid that is connected with housing to separate with walling crib with walling crib, thereby can open well lid.Well cover antitheft device of the present utility model has prevented the generation of the electric power facility phenomenon of theft well lid and subterranean tunnel effectively.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to well cover antitheft device embodiment plan structure schematic diagram of the present utility model; And
Fig. 2 shows the inside partial structurtes schematic diagram of the well cover antitheft device of Fig. 1.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As depicted in figs. 1 and 2, the well cover antitheft device of the present embodiment comprises: housing 10, limiting section, rotating disk 20, handle 14 and lockable mechanism.Housing 10 is connected with well lid, limiting section is arranged on housing 10, and have extended position and a retracted position, rotating disk 20 is arranged in housing, rotating disk 20 drives with limiting section and is connected, the rotation of rotating disk 20 makes limiting section switch between extended position and retracted position, handle 14 is connected with rotating disk 20 and drives rotating disk 20 and rotates, lockable mechanism has the lock position of locking rotating disk 20 and the unlocked position of release rotating disk 20, wherein, when lockable mechanism is in the lock position, limiting section is in extended position, and when described lockable mechanism is in the unlocked position, limiting section is in retracted position.
The lockable mechanism of well cover antitheft device has lock position and unlocked position, when needs locking well lid, makes lockable mechanism be in the lock position, this moment rotating disk 20 by locking, rotating disk 20 is in limiting section during by locking to stretch out the extended position of the outside of housing 10.The limiting section that is in extended position can be inserted in walling crib and then make the well lid that is connected with housing 10 can't separate with walling crib, has played the purpose that makes well lid and walling crib locking.Need to open well lid the time, lockable mechanism is in the unlocked position when maintenance or other situations, this moment, rotating disk 20 was unlocked, and rotating disk 20 is in limiting section when being unlocked to be retracted to the retracted position of the inside of housing 10.The limiting section that is in retracted position can separate and then make the well lid that is connected with housing 10 to separate with walling crib with walling crib, thereby can open well lid.Well cover antitheft device of the present utility model has prevented the generation of the electric power facility phenomenon of theft well lid and subterranean tunnel effectively.
As shown in Figure 2, limiting section is gag lever post 50, and gag lever post 50 is located in the through hole of housing 10, and well cover antitheft device also comprises pull bar 51, and pull bar 51 is hinged between an end and rotating disk 20 of gag lever post 50.Rotating disk 20 rotates, and moves thereby drive pull bar 51, and pull bar 51 and then drive gag lever post 50 move, and make gag lever post 50 to change between extended position and retracted position.
As shown in Figure 2, gag lever post 50 is three, form 120 ° of angles between the axis of two adjacent gag lever posts 50, be provided with reinforcing rib 12 around the through hole of housing 10, the through hole of housing 10 is provided with axle sleeve 11, gag lever post 50 is arranged in axle sleeve 11, and the both sides along its length of pull bar 51 have respectively flange.Gag lever post 50 is three, and evenly distributes each other, during the locking of gag lever post 50 and walling crib, and will be more stable.Be provided with reinforcing rib 12 around the through hole of housing 10, can prevent that gag lever post 50 from damaging housing 10 when flexible.Axle sleeve 11 can play guide effect and then guarantee that gag lever post 50 moves on its axis direction, and deflection can not occur.The both sides along its length of pull bar 51 have respectively flange, can improve the intensity of pull bar 51.
As shown in Figure 2, the center of rotating disk 20 be provided with turning cylinder 21, an end of turning cylinder 21 is connected with handle 14, turning cylinder 21 is provided with screw thread, is connected with two nuts 22 on screw thread, rotating disk 20 clampings are arranged between two nuts 22.Two nuts 22 can be fixed on rotating disk 20 on turning cylinder 21.
as shown in Figure 2, rotating disk 20 is circular, the edge of rotating disk 20 has the spline breach, lockable mechanism also comprises lock core 30, driving lever 31 and bending bar 40, one end of driving lever 31 and lock core 30 coaxial rotation, bending bar 40 comprises the first bar section and the second bar section, the junction of the first bar section and the second bar section forms corner part, when corner part coordinates with the spline breach, lockable mechanism is in the lock position, when corner part separates with the spline breach, lockable mechanism is in the unlocked position, the middle part of the first bar section is hinged in housing 10, the free end of the second bar section has the driving lever auxiliary section 43 that coordinates with driving lever 31, driving lever auxiliary section 43 is preferably projection.By rotational lock core 30, lock core 30 drives driving lever 31, driving lever 31 drives the second free-ended driving lever of bar section auxiliary section 43 and moves, rotate around the pin joint of itself and housing 10 at the middle part that makes the first bar section, can make the angle that forms between the first bar section and the second bar section coordinate or separate with the spline breach of rotating disk 20.
As shown in Figure 2, bending bar 40 is L-shaped, and driving lever 31 is arranged between driving lever auxiliary section 43 and rotating disk 20, and lockable mechanism also comprises elastic component 44, and the first end of elastic component 44 is connected on housing, and the second end of elastic component 44 connects the free end of the first bar section.Elastic component 44 is preferably spring.By the elastic force of elastic component 44, rotate around the pin joint of itself and housing 10 at the middle part that can make the first bar section, and corner part is coordinated with the spline breach of rotating disk 20 automatically.
The middle part of realizing the first bar section is hinged on modes in housing 10 to be had multiplely, and as shown in Figure 2, preferably, in the present embodiment, the middle part of the first bar section has hinge hole, is equipped with bearing pin 41 in hinge hole, and an end of bearing pin 41 is fixed in housing 10.In order to prevent the first bar section along the axial float of bearing pin 41, as shown in Figure 2, the well cover antitheft device of the present embodiment also comprises the back-up ring 42 that prevents the first bar section axial float, and back-up ring 42 removably is connected on bearing pin 41.
As shown in Figure 1, the edge of the end face that housing 10 coordinates with well lid is provided with a plurality of fixed parts 13, and fixed part 13 is provided with fixing hole.By penetrate screw or bolt in fixing hole, housing 10 removably is connected with well lid.
The utility model also provides a kind of well lid, comprises well lid body and the well cover antitheft device that is fixedly connected on the well lid body according to embodiment of the present utility model, and well cover antitheft device is above-mentioned well cover antitheft device.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a well cover antitheft device, is characterized in that, comprising:
Housing (10) is connected with well lid;
Limiting section is arranged on described housing (10), and has extended position and retracted position;
Rotating disk (20) is arranged in described housing, and described rotating disk (20) drives with described limiting section and is connected, and drives described limiting section and switches between described extended position and retracted position;
Handle (14) is connected with described rotating disk (20) and drives described rotating disk (20) and rotates;
Lockable mechanism has the lock position of the described rotating disk of locking (20) and the unlocked position of the described rotating disk of release (20);
Wherein, when described lockable mechanism is in described lock position, described limiting section is in described extended position, and when described lockable mechanism is in described unlocked position, described limiting section is in described retracted position.
2. well cover antitheft device according to claim 1, is characterized in that,
Described limiting section is gag lever post (50), is located in the through hole of described housing (10);
Described well cover antitheft device also comprises pull bar (51), and described pull bar (51) is hinged between an end and described rotating disk (20) of described gag lever post (50).
3. well cover antitheft device according to claim 2, it is characterized in that, described gag lever post (50) is three, form 120 ° of angles between the axis of adjacent two described gag lever posts (50), be provided with reinforcing rib (12) around the through hole of described housing (10), the through hole of described housing (10) is provided with axle sleeve (11), described gag lever post (50) is arranged in axle sleeve (11), and the both sides along its length of described pull bar (51) have respectively flange.
4. well cover antitheft device according to claim 1, it is characterized in that, the center of described rotating disk (20) is provided with turning cylinder (21), one end of described turning cylinder (21) is connected with described handle (14), described turning cylinder (21) is provided with screw thread, be connected with two nuts (22) on described screw thread, described rotating disk (20) clamping is arranged between two described nuts (22).
5. well cover antitheft device according to claim 1, is characterized in that,
Described rotating disk (20) is circular, and the edge of described rotating disk (20) has the spline breach;
Described lockable mechanism also comprises:
Lock core (30);
Driving lever (31), an end of described driving lever (31) and described lock core (30) coaxial rotation;
Bending bar (40), comprise the first bar section and the second bar section, the junction of described the first bar section and the second bar section forms corner part, when described corner part coordinates with described spline breach, described lockable mechanism is in described lock position, when described corner part separates with described spline breach, described lockable mechanism is in described unlocked position, the middle part of described the first bar section is hinged in described housing (10), and the free end of described the second bar section has the driving lever auxiliary section (43) that coordinates with described driving lever (31).
6. well cover antitheft device according to claim 5, is characterized in that,
Described bending bar (40) is L-shaped;
Described driving lever (31) is arranged between described driving lever auxiliary section (43) and described rotating disk (20);
Described lockable mechanism also comprises:
Elastic component (44), the first end of described elastic component (44) is fixed in described housing, and the second end of described elastic component (44) connects the free end of described the first bar section.
7. well cover antitheft device according to claim 5, is characterized in that, the middle part of described the first bar section has hinge hole, is equipped with bearing pin (41) in described hinge hole, and an end of described bearing pin (41) is connected on described housing (10).
8. well cover antitheft device according to claim 7, it is characterized in that, also comprise preventing described the first bar section along the back-up ring (42) of the axial float of described bearing pin (41), described back-up ring (42) removably is connected on described bearing pin (41).
9. well cover antitheft device according to claim 1, is characterized in that, the edge of the end face that described housing (10) coordinates with described well lid is provided with a plurality of fixed parts (13), and described fixed part (13) is provided with fixing hole.
10. a well lid, is characterized in that, comprises well lid body and the well cover antitheft device that is fixedly connected on described well lid body, and described well cover antitheft device is the described well cover antitheft device of any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604665 CN202925568U (en) | 2012-11-15 | 2012-11-15 | Manhole cover theft-prevention device and manhole cover comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604665 CN202925568U (en) | 2012-11-15 | 2012-11-15 | Manhole cover theft-prevention device and manhole cover comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925568U true CN202925568U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604665 Expired - Lifetime CN202925568U (en) | 2012-11-15 | 2012-11-15 | Manhole cover theft-prevention device and manhole cover comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202925568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443205A (en) * | 2020-10-29 | 2021-03-05 | 山东每联电子电器有限公司 | Anti-theft three-shaft lock structure for manhole cover |
| CN114197536A (en) * | 2021-12-22 | 2022-03-18 | 国网浙江省电力有限公司宁波供电公司 | Intelligent well lid |
-
2012
- 2012-11-15 CN CN 201220604665 patent/CN202925568U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443205A (en) * | 2020-10-29 | 2021-03-05 | 山东每联电子电器有限公司 | Anti-theft three-shaft lock structure for manhole cover |
| CN114197536A (en) * | 2021-12-22 | 2022-03-18 | 国网浙江省电力有限公司宁波供电公司 | Intelligent well lid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |