Anti-theft well lid of instrument well

Abstract

The utility model belongs to the technical field of well lids, and particularly relates to an instrument well anti-theft well lid which comprises a well lid body, the well lid body is arranged above a well body, a fixing rod is fixedly arranged at the top end in the well body, the fixing rod is in threaded connection with a screw rod, and the screw rod penetrates through the center of the well lid body and is in threaded connection with the center of the well lid body. The top end of the screw rod is fixedly connected to the center of the bottom end of the mounting seat, a limiting assembly is arranged in the mounting seat, the limiting assembly is connected with four sets of limiting rods, the limiting rods penetrate through the outer side of the mounting seat and are slidably connected with the mounting seat, one end of each limiting rod is connected with an embedding seat, and the outer side of the embedding seat is sleeved with a connecting seat; and the connecting seat is rotationally connected with the embedding seat, so that the problem that a common well lid is made of rolling-resistant cast iron, and the well lid is often stolen after being installed and used is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of manhole covers, and in particular relates to an anti-theft manhole cover for an instrument well. Background Art

[0002] With the continuous development of urban modernization, the scale of urban construction is getting larger and larger, and the laying of water supply, sewage, heat, electricity, telecommunications and other pipelines is increasing, and the length is getting longer and longer. In order to facilitate maintenance, the upper end of the working well will be equipped with a manhole cover that is easy to open. The traditional manhole cover generally includes a well platform, and the well platform cover is covered on the well platform. The well platform cover is clamped together with the well platform by its own pressure. When maintenance is needed, the well platform cover can be removed from the well platform, which is very convenient.

[0003] Generally, manhole covers are made of cast iron that is resistant to rolling. After installation and use, they are often stolen, which brings serious safety hazards to the passage of vehicles and pedestrians. Therefore, it is necessary to design an anti-theft manhole cover. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide an anti-theft manhole cover for an instrument well, so as to solve the problem that general manhole covers are made of crush-resistant cast iron and are often stolen after installation and use.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: an anti-theft manhole cover for an instrument well, comprising a manhole cover, wherein the manhole cover is installed above the well body, and a fixing rod is fixedly installed at the top inner side of the well body, the fixing rod is threadedly connected to a screw rod, the screw rod passes through the center of the manhole cover and is threadedly connected thereto, the top end of the screw rod is fixedly connected to the bottom center of a mounting seat, a limiting assembly is installed inside the mounting seat, the limiting assembly is connected to a limiting rod, the limiting rod is provided with four groups of positions passing through the outer side of the mounting seat and are slidably connected thereto, one end of the limiting rod is connected to an engaging seat, and a connecting seat is sleeved on the outer side of the engaging seat, and the connecting seat is rotatably connected to the engaging seat.

[0006] The beneficial effects of the utility model are:

[0007] When the staff needs to disassemble and replace the manhole cover, they can insert the magnetic strip into the placement slot. At this time, the magnetism of the placement slot will attract the magnetic plate through the window, and the magnetic plate under the magnetic force will drive the mounting plate to slide to the outside of the placement tube. At the same time, the limit rod will slide into the movable cavity, and the spring will be in an elastic expanded state. At this time, the limit rod will be separated from the connection with the limit slot, and the user can drive the engaging seat upward with the connecting seat to make the engaging seat separate from the outside of the mounting seat. The staff can remove the manhole cover from the top of the well body by rotating the mounting seat to make the screw separate from the fixed rod.

[0008] When the manhole cover is installed on the top of the well body, the engaging groove opened on the engaging seat can be engaged with the mounting seat, and when the engaging seat is engaged, the staff will pull out the magnetic strip from the placement slot, and the elastic potential energy of the spring can make the limit rod slide outward and engage into the limit slot at the appropriate position to complete the connection between the engaging seat and the mounting seat. When thieves want to steal the manhole cover, they usually rotate the connecting seat because they do not know the disassembly method. At this time, the connecting seat is rotated and installed on the outside of the engaging seat, and rotating the connecting seat will not rotate the screw at the bottom of the mounting seat, so that the manhole cover cannot be removed from the top of the well body, which plays a certain anti-theft effect.

[0009] To drain rainwater:

[0010] As a further improvement of the above technical solution: the manhole cover is provided with a plurality of water leakage holes.

[0011] The beneficial effect of this improvement is that the water leakage hole can be set to discharge rainwater.

[0012] To remove the manhole cover from above the well:

[0013] As a further improvement of the above technical solution: the limit assembly consists of an active cavity, a placement cylinder, a limit rod, and a magnetic plate. An installation cavity is opened inside the mounting seat, and a placement cylinder is fixedly installed at the center of the installation cavity. The installation cavity is divided into four groups of active cavities. Mounting plates are slidably installed in the active cavities, and one end of the mounting plate is fixedly connected to the other end of the limit rod. A spring is sleeved on the outside of the other end of the limit rod, and the two ends of the spring are respectively connected to the inner wall of the installation cavity and the mounting plate. A placement groove is opened at the center of the placement cylinder through the top of the mounting seat, and the placement groove passes through the outside of the placement cylinder to open several windows. A magnetic plate is set at the other end of the mounting plate, and the magnetic plate is magnetically connected to the magnetic strip.

[0014] The beneficial effect of this improvement is: when the staff needs to disassemble and replace the manhole cover, they can insert the magnetic strip into the placement slot. At this time, the magnetism of the placement slot attracts the magnetic plate through the window, and the magnetic plate affected by the magnetic force will drive the mounting plate to slide to the outside of the placement tube. At the same time, the limit rod will slide into the movable cavity, and the spring will be in an elastic expanded state. At this time, the limit rod will be disconnected from the limit slot, and the user can drive the engaging seat upward with the connecting seat to make the engaging seat separate from the outside of the mounting seat. The staff can remove the manhole cover from the top of the well body by rotating the mounting seat to make the screw disconnect from the fixing rod.

[0015] In order to prevent the manhole cover from being removed from above the manhole:

[0016] As a further improvement of the above technical solution: an embedding groove is opened at the center of one side of the embedding seat, and the embedding groove is embeddingly connected to the mounting seat, a plurality of limit slots are opened on the inner wall of the embedding groove, and the limit slots are embeddingly connected to the limit rod, and a through hole is opened at the center of the embedding seat and passes through the center of the connecting seat.

[0017] The beneficial effect of this improvement is: when the manhole cover is installed above the manhole body, the engaging groove opened by the engaging seat can be engaged with the connecting mounting seat, and when the engaging seat is engaged, the staff will pull the magnetic strip out of the placement slot, and the elastic potential energy of the spring can make the limit rod slide outward and engage into the limit slot at the appropriate position to complete the connection between the engaging seat and the mounting seat, and when thieves want to steal the manhole cover, they usually rotate the connecting seat because they do not know the disassembly method. At this time, the connecting seat is rotated and installed on the outside of the engaging seat, and rotating the connecting seat will not rotate the screw at the bottom end of the mounting seat, so that the manhole cover cannot be removed from the top of the manhole body, which plays a certain anti-theft effect.

[0018] To protect the manhole cover from theft:

[0019] As a further improvement of the above technical solution: a cross slot is provided on the front side of the connecting seat.

[0020] The beneficial effect of this improvement is that the provision of a cross slot will guide thieves to use a Meihua knife to rotate the connecting seat, causing them to perform incorrect disassembly methods, thereby preventing the manhole cover from being stolen.

[0021] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0023] Figure 2 This is a schematic diagram of the manhole cover structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the well structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the well body cross-section structure of the utility model;

[0026] Figure 5 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0027] Figure 6 It is a schematic diagram of the structure of the chimeric seat of the utility model;

[0028] Figure 7 This is a schematic diagram of the mounting base structure of the utility model;

[0029] Figure 8 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0030] In the figure: 1. manhole cover; 2. connecting seat; 3. placement slot; 4. cross slot; 5. manhole body; 6. fixing rod; 7. screw; 8. fitting seat; 9. limit slot; 10. mounting seat; 11. movable cavity; 12. placement cylinder; 13. limit rod; 14. magnetic plate. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0032] like Figure 1-8 As shown, an anti-theft manhole cover for an instrument well includes a manhole cover 1, wherein the manhole cover 1 is installed above a manhole body 5, and a fixing rod 6 is fixedly installed at the top inner side of the manhole body 5, wherein the fixing rod 6 is threadedly connected to a screw rod 7, wherein the screw rod 7 passes through the center of the manhole cover 1 and is threadedly connected thereto, wherein the top end of the screw rod 7 is fixedly connected to the bottom center of a mounting seat 10, wherein a limiting assembly is installed inside the mounting seat 10, wherein the limiting assembly is connected to a limiting rod 13, wherein the limiting rod 13 is provided with four groups of limiting rods passing through the outer side of the mounting seat 10 and being slidably connected thereto, wherein one end of the limiting rod 13 is connected to an engaging seat 8, wherein a connecting seat 2 is sleeved on the outer side of the engaging seat 8, and the connecting seat 2 is rotatably connected to the engaging seat 8.

[0033] The manhole cover 1 is provided with a plurality of water leakage holes, and the water leakage holes can be provided to discharge rainwater.

[0034] The limiting assembly is composed of an active cavity 11, a placement tube 12, a limiting rod 13, and a magnetic plate 14. An installation cavity is provided inside the mounting seat 10, and a placement tube 12 is fixedly provided at the center of the installation cavity. The installation cavity is divided into four groups of active cavities 11. A mounting plate is slidably provided in each of the active cavities 11, and one end of the mounting plate is fixedly connected to the other end of the limiting rod 13. A spring is sleeved on the outside of the other end of the limiting rod 13, and the two ends of the spring are respectively connected to the inner wall of the installation cavity and the mounting plate. A placement groove 3 is provided at the center of the placement tube 12 through the top of the mounting seat 10, and the placement groove 3 is provided through the outside of the placement tube 12 to open a plurality of windows, and the other end of the mounting plate is provided with Magnetic plate 14, the magnetic plate 14 is magnetically connected to the magnetic strip; when the staff needs to disassemble and replace the manhole cover 1, the magnetic strip can be inserted into the placement slot 3. At this time, the magnetism of the placement slot 3 attracts the magnetic plate 14 through the window, and the magnetic plate 14 subjected to the magnetic force will drive the mounting plate to slide to the outside of the placement tube 12. At the same time, the limit rod 13 will slide into the active cavity 11, and the spring is in an elastic expansion state. At this time, the limit rod 13 is disconnected from the limit slot 9, and the user can drive the connecting seat 2 to take the engaging seat 8 upward, so that the engaging seat 8 is separated from the outside of the mounting seat 10. The staff can remove the manhole cover 1 from the top of the well body 5 by rotating the mounting seat 10 to disconnect the screw rod 7 from the fixing rod 6.

[0035] A fitting groove is provided at the center of one side of the fitting seat 8, and the fitting groove is fitted and connected to the mounting seat 10, and a plurality of limit slots 9 are provided on the inner wall of the fitting groove, and the limit slots 9 are fitted and connected to the limit rod 13, and a through hole is provided at the center of the fitting seat 8 and the center of the connecting seat 2; when the manhole cover 1 is installed above the well body 5, the fitting groove provided on the fitting seat 8 can be fitted and connected to the mounting seat 10, and when the fitting seat 8 is fitted, the staff will pull the magnetic strip out of the placement slot 3. The elastic potential energy of the spring can make the limiting rod 13 slide outward and fit into the limiting slot 9 at the appropriate position, completing the connection between the fitting seat 8 and the mounting seat 10. When a thief wants to steal the manhole cover 1, he usually rotates the connecting seat 2 because he does not know the disassembly method. At this time, the connecting seat 2 is rotated and installed on the outside of the fitting seat 8, and rotating the connecting seat 2 will not rotate the screw at the bottom end of the mounting seat 10, so that the manhole cover 1 cannot be removed from the top of the well body 5, which plays a certain anti-theft effect.

[0036] A cross slot 4 is provided on the front side of the connecting seat 2 ; the cross slot 4 will guide thieves to use a Meihua knife to rotate the connecting seat 2 , causing them to disassemble in an incorrect manner, thereby preventing the manhole cover 1 from being stolen.

[0037] The working principle and use process of the utility model are as follows: when the staff needs to disassemble and replace the manhole cover 1, the magnetic strip can be inserted into the placement slot 3. At this time, the magnetism of the placement slot 3 attracts the magnetic plate 14 through the window, and the magnetic plate 14 subjected to the magnetic force will drive the mounting plate to slide to the outside of the placement tube 12. At the same time, the limit rod 13 will slide into the active cavity 11, and the spring will be in an elastically expanded state. At this time, the limit rod 13 is disconnected from the limit slot 9, and the user can drive the engaging seat 8 to take it upward with the connecting seat 2, so that the engaging seat 8 is separated from the outside of the mounting seat 10. The staff can remove the manhole cover 1 from the top of the well body 5 by rotating the mounting seat 10 to make the screw rod 7 disconnected from the fixing rod 6. When the manhole cover 1 is installed above the well body 5, the engaging seat 8 can be The opened engaging groove is engaged with the mounting seat 10, and when the engaging seat 8 is engaged, the staff will pull out the magnetic strip from the placement slot 3, and the elastic potential energy of the spring can make the limiting rod 13 slide outward and engage into the limiting slot 9 at the appropriate position, completing the connection between the engaging seat 8 and the mounting seat 10. When a thief wants to steal the manhole cover 1, he usually rotates the connecting seat 2 because he does not know the disassembly method. At this time, the connecting seat 2 is rotated and installed on the outside of the engaging seat 8, and rotating the connecting seat 2 will not rotate the screw at the bottom end of the mounting seat 10, so that the manhole cover 1 cannot be removed from the top of the well body 5, which plays a certain anti-theft effect. The provision of a cross slot 4 will guide the thief to use a Meihua knife to rotate the connecting seat 2, causing him to perform an incorrect disassembly method, thereby preventing the manhole cover 1 from being stolen.

Claims

1. An anti-theft manhole cover for an instrument well, Features: The invention comprises a manhole cover (1), wherein the manhole cover (1) is arranged above a manhole body (5), and a fixing rod (6) is fixedly arranged at the top of the interior of the manhole body (5), wherein the fixing rod (6) is threadedly connected to a screw rod (7), wherein the screw rod (7) passes through the center of the manhole cover (1) and is threadedly connected thereto, wherein the top of the screw rod (7) is fixedly connected to the bottom center of a mounting seat (10), wherein a limiting assembly is arranged inside the mounting seat (10), wherein the limiting assembly is connected to a limiting rod (13), wherein the limiting rod (13) is provided with four groups of connecting rods passing through the outer side of the mounting seat (10) and being slidably connected thereto, wherein one end of the limiting rod (13) is connected to an interlocking seat (8), wherein a connecting seat (2) is sleeved on the outer side of the interlocking seat (8), and wherein the connecting seat (2) is rotatably connected to the interlocking seat (8).

2. The anti-theft manhole cover for an instrument well according to claim 1, Features: The manhole cover (1) is provided with a plurality of water leakage holes.

3. The anti-theft manhole cover for an instrument well according to claim 1, Features: The limiting assembly consists of an active cavity (11), a placement tube (12), a limiting rod (13), and a magnetic plate (14). The mounting seat (10) is provided with a mounting cavity inside, and a placement tube (12) is fixedly installed at the center of the mounting cavity. The mounting cavity is divided into four groups of active cavities (11). A mounting plate is slidably installed in each of the active cavities (11), and one end of the mounting plate is fixedly connected to the other end of the limiting rod (13). A spring is sleeved on the outside of the other end of the limiting rod (13), and the two ends of the spring are respectively connected to the inner wall of the mounting cavity and the mounting plate. A placement groove (3) is provided at the center of the placement tube (12) through the top of the mounting seat (10), and the placement groove (3) is provided through the outside of the placement tube (12) to form a plurality of windows. A magnetic plate (14) is provided at the other end of the mounting plate, and the magnetic plate (14) is magnetically connected to the magnetic strip.

4. The anti-theft manhole cover for an instrument well according to claim 1, Features: A mating groove is provided at the center of one side of the mating seat (8), and the mating groove is matingly connected to the mounting seat (10). A plurality of limiting slots (9) are provided on the inner wall of the mating groove, and the limiting slots (9) are matingly connected to the limiting rod (13). A through hole is provided at the center of the mating seat (8) and passes through the center of the connecting seat (2).

5. The anti-theft manhole cover for an instrument well according to claim 1, Features: A cross slot (4) is provided on the front side of the connecting seat (2).

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