Well lid convenient to overhaul

Abstract

The utility model relates to the technical field of well lids, in particular to a well lid convenient to overhaul, which comprises an annular seat, the inner side of the annular seat is slidably connected with a well lid main body, the top of the well lid main body is provided with a circular groove, and the inner wall of the bottom of the circular groove is rotatably connected with a winding shaft. The bottom end of the winding shaft extends to the position below the well lid body. The rotary knob is held and rotated to wind the two flexible steel ropes through the winding shaft, the flexible steel ropes drive the clamping rods to move to compress the springs, the clamping rods are separated from the clamping grooves, the rotary knob is held to drive the well lid body to move upwards through the winding shaft, the well lid body is taken down to be overhauled, and the filter screen is held to move upwards. When the manhole cover needs to be overhauled or the filter screen in a sewer needs to be replaced, the manhole cover body can be conveniently and rapidly taken down to be replaced, bolts do not need to be disassembled and assembled with the help of tools, the disassembling difficulty is lowered, and therefore the overhauling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover which is convenient for maintenance. Background Art

[0002] Manhole covers are tools used to cover holes in roads and are widely used in green belts, motorway lanes or docks. Manhole covers can prevent pedestrians or vehicles from falling into deep wells and causing danger, thereby improving municipal safety. There are many kinds of manhole covers on the market, and most of the existing manhole covers are connected to the base by bolts during installation.

[0003] However, some manhole covers are now connected to the base by bolts. When the manhole cover needs to be inspected or the filter in the sewer needs to be replaced, it is not convenient to quickly remove the manhole cover for replacement, and tools are needed to disassemble and assemble the bolts. When the bolts are rusted after long-term use, the difficulty of disassembly is increased, thereby reducing the efficiency of maintenance. For this reason, we propose a manhole cover that is easy to inspect to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a manhole cover that is convenient for maintenance, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole cover that is easy to maintain, comprising a circular ring seat, the inner side of the circular ring seat is slidably connected to a manhole cover body, the top of the manhole cover body is provided with a circular groove, and a winding shaft is rotatably connected to the bottom inner wall of the circular groove, and the bottom end of the winding shaft extends to the bottom of the manhole cover body, and flexible steel ropes are fixedly connected on both sides of the winding shaft, and two ends of the flexible steel ropes that are away from each other are fixedly connected to a clamping rod, and clamping grooves are provided on the inner walls on both sides of the circular ring seat, and the clamping rod is clamped with the corresponding clamping grooves, a filter screen is slidably connected in the circular ring seat, and two square rods are fixedly connected to the bottom of the filter screen, and circular blocks are fixedly connected to the inner walls on both sides of the circular ring seat.

[0006] Further preferably, the circular block is slidably sleeved on the outer side of the corresponding square rod, and the top of the clamping rod is fixedly connected with a vertical block.

[0007] Further preferably, two grooves are provided at the bottom of the manhole cover body, and a same positioning rod is fixedly connected between inner walls on both sides of the grooves.

[0008] Further preferably, the vertical block is slidably sleeved on the outer side of the corresponding positioning rod, and a same spring is fixedly connected between the outer side of the vertical block and the inner wall of the corresponding groove.

[0009] Further preferably, the spring movable sleeve is arranged on the outer side of the corresponding positioning rod, and two water inlet holes are opened on the top of the manhole cover body.

[0010] Further preferably, a circular groove is provided on the inner wall of the circular seat, the top of the circular groove is opened, the outer side of the manhole cover body is slidably connected to the inner wall of the circular groove, and the bottom of the manhole cover body is fixedly connected with an insertion rod.

[0011] Further preferably, two slots are provided on the bottom inner wall of the annular groove, the insertion rod is clamped in the corresponding slots, and a knob is fixedly connected to the top end of the winding shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model holds the knob and rotates it to wind the two flexible steel ropes through the winding shaft, the flexible steel rope drives the clamping rod to move to compress the spring, the clamping rod is separated from the clamping slot, the knob is held and the winding shaft is used to drive the manhole cover body to move upward, the manhole cover body is removed for inspection, the filter net is held and moved upward, the filter net is removed for cleaning, and when the manhole cover needs to be inspected or the filter net in the sewer needs to be replaced, the manhole cover body can be removed and replaced conveniently and quickly, and there is no need to use tools to disassemble and assemble the bolts, which reduces the difficulty of disassembly and improves the efficiency of inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0014] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0015] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0016] In the figure: 1. annular seat; 2. manhole cover body; 3. circular groove; 4. winding shaft; 5. flexible steel rope; 6. clamping rod; 7. clamping groove; 8. filter screen; 9. square rod; 10. circular block; 11. vertical block; 12. groove; 13. positioning rod; 14. spring; 15. water inlet hole; 16. annular groove; 17. plug rod; 18. slot; 19. knob. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example

[0019] See also Figure 1-3 The utility model provides a technical solution: a manhole cover convenient for maintenance, comprising a circular ring seat 1, a manhole cover body 2 is slidably connected to the inner side of the circular ring seat 1, a circular groove 3 is provided on the top of the manhole cover body 2, a winding shaft 4 is rotatably connected to the inner wall at the bottom of the circular groove 3, the bottom end of the winding shaft 4 extends to the bottom of the manhole cover body 2, flexible steel ropes 5 are fixedly connected to both sides of the winding shaft 4, and the ends of the two flexible steel ropes 5 away from each other are fixedly connected to the clamping rod 6, the inner walls on both sides of the circular ring seat 1 are provided with clamping grooves 7, the clamping rod 6 is clamped with the corresponding clamping grooves 7, a filter screen 8 is slidably connected to the inside of the circular ring seat 1, and two square rods 9 are fixedly connected to the bottom of the filter screen 8, and the circular ring The inner walls on both sides of the seat 1 are fixedly connected with circular blocks 10. Hold the knob 19 and turn it to wind the two flexible steel ropes 5 through the winding shaft 4. The flexible steel rope 5 drives the clamping rod 6 to move to compress the spring 14, and the clamping rod 6 is separated from the clamping slot 7. Hold the knob 19 and drive the manhole cover body 2 to move upward through the winding shaft 4, and the manhole cover body 2 is removed for inspection. Hold the filter screen 8 and move it upward, and remove the filter screen 8 for cleaning. When the manhole cover needs to be inspected or the filter screen 8 in the sewer needs to be replaced, the manhole cover body 2 can be removed and replaced quickly and conveniently, without the need to use tools to disassemble and assemble the bolts, thereby reducing the difficulty of disassembly and improving the efficiency of inspection.

[0020] In this embodiment, specifically: the circular block 10 is slidably sleeved on the outer side of the corresponding square rod 9, and the top of the clamping rod 6 is fixedly connected with a vertical block 11;

[0021] In this embodiment, specifically: two grooves 12 are provided at the bottom of the manhole cover body 2, and a positioning rod 13 is fixedly connected between the inner walls on both sides of the groove 12, and the setting of the positioning rod 13 plays a positioning effect;

[0022] In this embodiment, specifically: the vertical block 11 is slidably sleeved on the outer side of the corresponding positioning rod 13, and a spring 14 is fixedly connected between the outer side of the vertical block 11 and the inner wall of the corresponding groove 12;

[0023] In this embodiment, specifically: the spring 14 is movably sleeved on the outer side of the corresponding positioning rod 13, and two water inlet holes 15 are opened on the top of the manhole cover body 2;

[0024] In this embodiment, specifically: a circular groove 16 is provided on the inner wall of the circular ring seat 1, the top of the circular groove 16 is open, the outer side of the manhole cover body 2 is slidably connected to the inner wall of the circular ring groove 16, and a plug rod 17 is fixedly connected to the bottom of the manhole cover body 2;

[0025] In this embodiment, specifically: two slots 18 are provided on the bottom inner wall of the annular groove 16 , the insertion rod 17 is clamped in the corresponding slots 18 , and a knob 19 is fixedly connected to the top of the winding shaft 4 .

[0026] The utility model is in operation: when in use, when it is necessary to remove the manhole cover body 2 for inspection or to remove the filter screen 8 for cleaning, hold the knob 19 and turn it, the knob 19 drives the winding shaft 4 to rotate, the winding shaft 4 winds the two flexible steel ropes 5 during the rotation, the flexible steel rope 5 drives the corresponding clamping rod 6 to move, the clamping rod 6 drives the corresponding vertical block 11 to move, the vertical block 11 slides on the outside of the corresponding positioning rod 13 and compresses the spring 14, the clamping rod 6 is separated from the corresponding clamping groove 7, and then the knob 19 is held, the knob 19 drives the manhole cover body 2 to move upward through the winding shaft 4, and the manhole cover body The body 2 drives the insertion rod 17 to separate from the slot 18, and the manhole cover body 2 can be removed for maintenance. When the filter screen 8 needs to be removed for cleaning, the filter screen 8 is held and moved upward, and the filter screen 8 drives the square rod 9 to move upward, and the square rod 9 is separated from the circular block 10. At this time, the filter screen 8 can be removed for cleaning, thereby forming a manhole cover that is convenient for maintenance. When the manhole cover needs to be repaired or the filter screen 8 in the sewer needs to be replaced, the manhole cover body 2 can be removed and replaced quickly and conveniently, without the need to use tools to disassemble and assemble the bolts, thereby reducing the difficulty of disassembly and improving the efficiency of maintenance.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A manhole cover for convenient maintenance, comprising a circular ring-shaped seat (1), characterized in that: The inner side of the annular seat (1) is slidably connected to a manhole cover body (2); a circular groove (3) is provided on the top of the manhole cover body (2); a winding shaft (4) is rotatably connected to the inner wall of the bottom of the circular groove (3); the bottom end of the winding shaft (4) extends to the bottom of the manhole cover body (2); flexible steel ropes (5) are fixedly connected to both sides of the winding shaft (4); the ends of the two flexible steel ropes (5) that are away from each other are fixedly connected to clamping rods (6); clamping grooves (7) are provided on the inner walls of both sides of the annular seat (1); the clamping rods (6) are clamped with the corresponding clamping grooves (7); a filter screen (8) is slidably connected to the inside of the annular seat (1); two square rods (9) are fixedly connected to the bottom of the filter screen (8); and circular blocks (10) are fixedly connected to the inner walls of both sides of the annular seat (1).

2. A manhole cover for convenient maintenance according to claim 1, characterized in that: The circular block (10) is slidably sleeved on the outer side of the corresponding square rod (9), and the top of the clamping rod (6) is fixedly connected with a vertical block (11).

3. A manhole cover for convenient maintenance according to claim 2, characterized in that: Two grooves (12) are provided at the bottom of the manhole cover body (2), and a positioning rod (13) is fixedly connected between the inner walls on both sides of the groove (12).

4. The manhole cover for convenient maintenance according to claim 3, characterized in that: The vertical block (11) is slidably sleeved on the outer side of the corresponding positioning rod (13), and a spring (14) is fixedly connected between the outer side of the vertical block (11) and the inner wall of the corresponding groove (12).

5. The manhole cover for convenient maintenance according to claim 4, characterized in that: The spring (14) is movably sleeved on the outside of the corresponding positioning rod (13), and two water inlet holes (15) are provided on the top of the manhole cover body (2).

6. The manhole cover for convenient maintenance according to claim 5, characterized in that: A circular groove (16) is provided on the inner wall of the circular ring seat (1), the top of the circular groove (16) is open, the outer side of the manhole cover body (2) is slidably connected to the inner wall of the circular groove (16), and the bottom of the manhole cover body (2) is fixedly connected to an insertion rod (17).

7. The manhole cover for convenient maintenance according to claim 6, characterized in that: Two slots (18) are provided on the inner wall at the bottom of the annular groove (16), the insertion rod (17) and the corresponding slots (18) are clamped together, and a knob (19) is fixedly connected to the top of the winding shaft (4).

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