Well lid mounting structure

Abstract

The utility model relates to the technical field of well lids, and discloses a well lid mounting structure which comprises a well seat, a mounting mechanism used for fixing a well lid is arranged in an inner cavity of the well seat, and an anti-falling net is arranged in the inner cavity of the well seat and located on the lower side of the mounting mechanism. A connecting mechanism used for fixing the anti-falling net is arranged in the inner cavity of the well base and located on the lower side of the mounting mechanism. The connecting mechanism comprises six fixing blocks, six connecting rings and six limiting pieces, and the fixing blocks are arranged in an inner cavity of the well base and used for fixing the connecting rings and the well base. According to the well lid mounting structure, the first threaded rod rotates to move towards the side close to the sliding plate, then the sliding plate moves till the first threaded rod is separated from the groove, one side of the anti-falling net can be hung on the outer surface of the first threaded rod, then the first threaded rod rotates reversely to enter the groove, and then the anti-falling net can be fixed; and meanwhile, a worker can replace the anti-falling net conveniently after overhauling the anti-falling net, and the installation efficiency of the anti-falling net is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover installation structure. Background Art

[0002] Manhole covers are used to cover roads or deep wells in homes to prevent people or objects from falling. They can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. according to the material. They are generally round and can be used in green belts, sidewalks, motor vehicle lanes, docks, alleys, etc. In March 2019, the manhole cover monitoring system independently developed by the 203rd Institute of China Aerospace Science and Industry Corporation was launched.

[0003] Through searching, it is found that Chinese patent publication number: CN211523283U discloses a manhole cover installation structure, including a mounting seat, a connecting seat is fixedly connected to the left side of the inner cavity of the mounting seat, a movable groove is opened on the top of the right side of the mounting seat, the inner cavity of the movable groove is movably connected to the manhole cover body through a rotating shaft, a groove is opened on the left side of the top of the manhole cover body, a screw is arranged in the inner cavity of the groove, the bottom of the screw passes through the bottom of the manhole cover body, and a driving gear is fixedly connected to the bottom of the screw. The utility model can effectively solve the problem that the installation and disassembly of traditional manhole covers are relatively cumbersome through the coordinated use of the mounting seat, the connecting seat, the movable groove, the manhole cover body, the groove, the screw, the driving gear, the fixed rod, the threaded sleeve, the rotating rod, the driven gear, the clamping block and the clamping groove, and reduces the risk of the manhole cover being lost and stolen, thereby improving the convenience of the staff during operation and achieving a more convenient use effect. However, the patent does not provide an anti-fall net in the well, and when a person mistakenly enters the inspection well, he may sink into the sewage and cause an accident, thereby reducing the safety performance. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a manhole cover installation structure having the advantages of high safety, etc. It solves the problem that there is no anti-fall net installed in the well, and when personnel mistakenly enter the inspection well, they may sink into the sewage and cause an accident, thereby reducing safety performance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole cover installation structure, comprising a manhole seat, the inner cavity of the manhole seat is provided with a mounting mechanism for fixing the manhole cover, the inner cavity of the manhole seat and located below the mounting mechanism is provided with an anti-falling net, and the inner cavity of the manhole seat and located below the mounting mechanism is provided with a connecting mechanism for fixing the anti-falling net;

[0006] The connecting mechanism includes six fixed blocks, six connecting rings, and six limiting members. The fixed blocks are arranged in the inner cavity of the well seat and are used to fix the connecting rings to the well seat. The connecting rings are arranged on the outer surface of the fixed blocks and are used to connect the anti-fall net. The limiting members are arranged in the inner cavity of the connecting rings and are used to lock the connecting rings.

[0007] By adopting this technical solution, the anti-fall net can be fixed, and it is convenient for workers to replace the anti-fall net after inspection, thereby improving the efficiency of the anti-fall net installation.

[0008] Furthermore, the limiting member includes a slide plate, a first threaded rod and two sliders. The slide plate is slidably connected to the inner cavity at the lower end of the connecting ring. One side of the first threaded rod is rotatably connected to the outer surface of the slide plate through a bearing. A groove is provided in the inner cavity at the upper end of the connecting ring. The other side of the first threaded rod passes through the connecting ring and extends to the inner cavity of the groove. The two sliders are respectively fixed to the left and right sides of the slide plate.

[0009] By adopting this technical solution, one side of the anti-falling net can be hung on the outer surface of the first threaded rod, thereby fixing the anti-falling net.

[0010] Furthermore, the six fixing blocks are evenly distributed in the inner cavity of the well seat, and the shape of the connecting ring is elliptical and the outer surface is partially missing.

[0011] By adopting this technical solution, six connecting rings can be fixed by means of the six fixing blocks, so that the six sides of the anti-fall net can be fixed, thereby improving the practicality of the anti-fall net.

[0012] Furthermore, a slide groove is provided on the opposite sides of the left and right side walls of the inner cavity at the lower end of the connecting ring, and the two sliding blocks perform linear up and down motion in the inner cavity of the slide groove.

[0013] By adopting this technical solution, the movement of the skateboard can be limited.

[0014] Furthermore, the first threaded rod is threadedly connected to the groove, and the outer diameter of the first threaded rod is matched with the inner diameter of the groove.

[0015] By adopting this technical solution, the position of the first threaded rod can be changed, thereby facilitating the fixing of the anti-fall net.

[0016] Furthermore, the mounting mechanism includes a clamping ring, a fixing ring, six second threaded rods and six fixing plates. The clamping ring is arranged in the inner cavity of the well seat and is located on the upper side of the anti-fall net for positioning the manhole cover. The fixing ring is arranged on the lower surface of the manhole cover. The six second threaded rods are evenly distributed in the inner cavity of the well seat. The inner cavity of the well seat is provided with six through holes. The fixing plate is fixed in the inner cavity of the through holes. The second threaded rod is threadedly connected to the fixing plate and passes through the fixing plate and extends to the inner cavity of the well seat.

[0017] By adopting this technical solution, the manhole cover is completely fixed, thereby improving the stability of the manhole cover fixation.

[0018] Furthermore, a handle is fixed to a side of the second threaded rod away from the fixing plate, and the outer surface of the manhole cover is provided with six threaded grooves matched with the outer diameter of the second threaded rod.

[0019] By adopting this technical solution, the provided handle can facilitate workers to rotate the second threaded rod.

[0020] Furthermore, a positioning groove is provided on the upper surface of the clamping ring, and the outer diameter of the fixing ring is matched with the inner diameter of the positioning groove.

[0021] By adopting this technical solution, the fixing ring can be positioned, and then the position of the manhole cover can be preliminarily positioned.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. The manhole cover installation structure, by rotating the first threaded rod to move it toward the side close to the slide, and then moving the slide, until the first threaded rod is separated from the groove, one side of the anti-fall net can be hung on the outer surface of the first threaded rod, and then the first threaded rod is rotated in the opposite direction to enter the groove, so that the anti-fall net can be fixed, and at the same time, it is convenient for the staff to replace the anti-fall net after maintenance, thereby improving the efficiency of the anti-fall net installation.

[0024] 2. The manhole cover installation structure places the manhole cover in the inner cavity of the manhole seat and allows the fixing ring to enter the positioning groove, so that the manhole cover can be initially positioned. Then, the handle is turned to rotate the second threaded rod and move toward the side close to the thread groove until the second threaded rod completely enters the inner cavity of the thread groove. The manhole cover can be completely fixed, thereby improving the stability of the manhole cover fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the connection mechanism of the utility model;

[0027] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the fixing ring of the utility model.

[0029] In the figure: 1, well seat; 2, mounting mechanism; 21, clamping ring; 22, fixing ring; 23, second threaded rod; 24, fixing plate; 25, threaded groove; 3, anti-fall net; 4, connecting mechanism; 41, fixing block; 42, connecting ring; 43, limiting member; 431, slide plate; 432, first threaded rod; 433, sliding block; 434, groove. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1 A manhole cover installation structure in this embodiment includes a manhole seat 1, an inner cavity of the manhole seat 1 is provided with a mounting mechanism 2 for fixing the manhole cover, an anti-fall net 3 is provided in the inner cavity of the well seat 1 and located at the lower side of the mounting mechanism 2, and a connecting mechanism 4 for fixing the anti-fall net 3 is provided in the inner cavity of the well seat 1 and located at the lower side of the mounting mechanism 2.

[0032] See also Figure 2 In order to facilitate the disassembly and assembly of the anti-fall net 3, the connecting mechanism 4 in this embodiment includes six fixing blocks 41, six connecting rings 42, and six limiting members 43. The fixing block 41 is arranged in the inner cavity of the well seat 1 and is used to fix the connecting ring 42 to the well seat 1. The connecting ring 42 is arranged on the outer surface of the fixing block 41 and is used to connect the anti-fall net 3. The limiting member 43 is arranged in the inner cavity of the connecting ring 42 and is used to lock the connecting ring 42.

[0033] In this embodiment, the limiting member 43 includes a slide plate 431, a first threaded rod 432 and two sliders 433. The slide plate 431 is slidably connected to the inner cavity at the lower end of the connecting ring 42. One side of the first threaded rod 432 is rotatably connected to the outer surface of the slide plate 431 through a bearing. The first threaded rod 432 is rotated, and the rotation of the first threaded rod 432 causes it to move toward the side close to the slide plate 431, thereby causing the slide plate 431 to move in the inner cavity of the connecting ring 42. A groove 434 is provided in the inner cavity at the upper end of the connecting ring 42. The other side of the first threaded rod 432 penetrates the connecting ring 42 and extends to the inner cavity of the groove 434. The two sliders 433 are respectively fixed to the left and right sides of the slide plate 431 until the first threaded rod 432 is separated from the groove 434. At this time, one side of the anti-fall net 3 can be hung on the outer surface of the first threaded rod 432, and then the first threaded rod 432 is rotated in the opposite direction to enter the inner cavity of the groove 434.

[0034] Among them, six fixed blocks 41 are evenly distributed in the inner cavity of the well seat 1, the connecting ring 42 is elliptical in shape and the outer surface is partially missing, and sliding grooves are opened on the opposite sides of the left and right side walls of the inner cavity at the lower end of the connecting ring 42. The two sliders 433 make linear up and down movements in the inner cavity of the sliding groove. The movement of the slide plate 431 drives the sliders 433 fixed on the left and right sides to slide in the inner cavity of the sliding groove, thereby limiting the movement of the slide plate 431. The first threaded rod 432 is threadedly connected to the groove 434, and the outer diameter of the first threaded rod 432 is adapted to the inner diameter of the groove 434.

[0035] The staff can hang the anti-falling net 3 on the outer surfaces of other first threaded rods 432 in turn and fix them, so that the anti-falling net 3 can be fixed and it is convenient for the staff to disassemble and replace it.

[0036] See also Figure 3-4 In order to fix the manhole cover, the installation mechanism 2 in this embodiment includes a clamping ring 21, a fixing ring 22, six second threaded rods 23 and six fixing plates 24. The clamping ring 21 is arranged in the inner cavity of the manhole seat 1 and is located on the upper side of the anti-fall net 3 for positioning the manhole cover. The fixing ring 22 is arranged on the lower surface of the manhole cover. The manhole cover is then placed in the inner cavity of the manhole seat 1, and the fixing ring 22 fixed on the lower surface of the manhole cover enters the positioning groove opened on the upper surface of the clamping ring 21, so that the manhole cover can be preliminarily positioned. The six second threaded rods 23 are evenly distributed in the inner cavity of the manhole seat 1. Six through holes are opened in the inner cavity of the well seat 1. The fixing plate 24 is fixed in the inner cavity of the through hole. The second threaded rod 23 is threadedly connected with the fixing plate 24 and passes through the fixing plate 24 and extends to the inner cavity of the well seat 1.

[0037] In this embodiment, a handle is fixed on the side of the second threaded rod 23 away from the fixed plate 24, and six threaded grooves 25 matched with the outer diameter of the second threaded rod 23 are provided on the outer surface of the manhole cover. The manhole cover is rotated so that the threaded grooves 25 on its surface are aligned with the through hole, which can facilitate the entry of the second threaded rod 23. A positioning groove is provided on the upper surface of the clamping ring 21, and the outer diameter of the fixing ring 22 is matched with the inner diameter of the positioning groove.

[0038] It is understandable that the staff can turn the handle to rotate the second threaded rod 23 and move it toward the side close to the thread groove 25 until the second threaded rod 23 completely enters the inner cavity of the thread groove 25, thereby completely fixing the manhole cover and improving the stability of the manhole cover fixation.

[0039] The working principle of the above embodiment is:

[0040] (1) When fixing the anti-falling net 3, first rotate the first threaded rod 432. The rotation of the first threaded rod 432 causes it to move toward the side close to the slide plate 431, thereby causing the slide plate 431 to move in the inner cavity of the connecting ring 42. The movement of the slide plate 431 drives the sliders 433 fixed on the left and right sides to slide in the inner cavity of the slide groove, thereby limiting the movement of the slide plate 431 until the first threaded rod 432 is separated from the groove 434. At this time, one side of the anti-falling net 3 can be hung on the outer surface of the first threaded rod 432, and then the first threaded rod 432 is rotated in the opposite direction to enter the inner cavity of the groove 434. Then, the staff can hang the anti-falling net 3 on the outer surfaces of other first threaded rods 432 in turn and fix them, thereby fixing the anti-falling net 3 and facilitating the staff to disassemble and replace it.

[0041] (2) When fixing the manhole cover to the manhole seat 1, first rotate the manhole cover so that the threaded groove 25 opened on its surface is aligned with the through hole, which can facilitate the entry of the second threaded rod 23. Then, place the manhole cover in the inner cavity of the manhole seat 1, and make the fixing ring 22 fixed on the lower surface of the manhole cover enter the positioning groove opened on the upper surface of the clamping ring 21, so as to preliminarily position the manhole cover. Then, the staff can turn the handle to rotate the second threaded rod 23 and move it to the side close to the threaded groove 25 until the second threaded rod 23 completely enters the inner cavity of the threaded groove 25, so that the manhole cover can be completely fixed.

Claims

1. A manhole cover installation structure, comprising a manhole seat (1), Features: The inner cavity of the well seat (1) is provided with a mounting mechanism (2) for fixing the well cover, the inner cavity of the well seat (1) and located below the mounting mechanism (2) is provided with an anti-falling net (3), and the inner cavity of the well seat (1) and located below the mounting mechanism (2) is provided with a connecting mechanism (4) for fixing the anti-falling net (3); The connecting mechanism (4) comprises six fixing blocks (41), six connecting rings (42), and six limiting members (43); the fixing blocks (41) are arranged in the inner cavity of the well seat (1) and are used to fix the connecting rings (42) to the well seat (1); the connecting rings (42) are arranged on the outer surface of the fixing blocks (41) and are used to connect the anti-fall net (3); and the limiting members (43) are arranged in the inner cavity of the connecting rings (42) and are used to lock the connecting rings (42).

2. A manhole cover installation structure according to claim 1, Features: The limiting member (43) comprises a slide plate (431), a first threaded rod (432) and two sliders (433); the slide plate (431) is slidably connected to the inner cavity at the lower end of the connecting ring (42); one side of the first threaded rod (432) is rotatably connected to the outer surface of the slide plate (431) via a bearing; a groove (434) is provided in the inner cavity at the upper end of the connecting ring (42); the other side of the first threaded rod (432) penetrates the connecting ring (42) and extends to the inner cavity of the groove (434); and the two sliders (433) are respectively fixed to the left and right sides of the slide plate (431).

3. A manhole cover installation structure according to claim 1, Features: The six fixing blocks (41) are evenly distributed in the inner cavity of the well seat (1); the connecting ring (42) is elliptical in shape and has a partially missing outer surface.

4. A manhole cover installation structure according to claim 2, Features: Slide grooves are provided on opposite sides of the left and right side walls of the inner cavity at the lower end of the connecting ring (42), and the two sliding blocks (433) perform linear up and down motion in the inner cavity of the slide grooves.

5. A manhole cover installation structure according to claim 2, Features: The first threaded rod (432) is threadedly connected to the groove (434), and the outer diameter of the first threaded rod (432) is matched to the inner diameter of the groove (434).

6. A manhole cover installation structure according to claim 1, Features: The mounting mechanism (2) comprises a clamping ring (21), a fixing ring (22), six second threaded rods (23) and six fixing plates (24); the clamping ring (21) is arranged in the inner cavity of the well seat (1) and is located on the upper side of the anti-fall net (3) for positioning the well cover; the fixing ring (22) is arranged on the lower surface of the well cover; the six second threaded rods (23) are evenly distributed in the inner cavity of the well seat (1); the inner cavity of the well seat (1) is provided with six through holes; the fixing plates (24) are fixed in the inner cavity of the through holes; the second threaded rods (23) are threadedly connected to the fixing plates (24) and penetrate the fixing plates (24) and extend to the inner cavity of the well seat (1).

7. A manhole cover installation structure according to claim 6, Features: A handle is fixed to a side of the second threaded rod (23) away from the fixing plate (24), and the outer surface of the manhole cover is provided with six threaded grooves (25) matching the outer diameter of the second threaded rod (23).

8. A manhole cover installation structure according to claim 6, Features: A positioning groove is provided on the upper surface of the clamping ring (21), and the outer diameter of the fixing ring (22) is matched to the inner diameter of the positioning groove.

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