CN219909074U - Safety manhole cover - Google Patents

Abstract

The utility model relates to the technical field of cover frames, in particular to a safety well cover, which comprises a well descending sleeve, wherein a well cover is rotatably arranged above the well descending sleeve, a falling ring is fixedly arranged on the inner wall of the lower section of the well descending sleeve, a protection net is movably arranged in the well descending sleeve, four L-shaped hooks are fixedly arranged at the upper end part of the protection net, which is close to the side wall, of the protection net, the four L-shaped hooks are hung on the falling ring, a hanging frame and a connecting block are respectively and fixedly arranged at the upper end parts of every two opposite L-shaped hooks, and a supporting rod and an inner shrinking pipe are arranged between the two connecting blocks. According to the utility model, after the installation of the protective net is finished, a user can close and reset the well lid again, when the well lid is damaged, the protective net can play a role in auxiliary support, is made of metal, effectively prevents pedestrians from falling into the sewer well, does not influence water flow, and can play a good role in safety protection by arranging the protective net in the sewer well casing.

Description

Safety manhole cover

Technical Field

The utility model relates to the technical field of cover frames, in particular to a safety well cover.

Background

The well lid is comparatively common apparatus in the municipal construction, and the well lid can play the guard action to the sewer, can prevent simultaneously that pedestrian etc. from dropping at the passion-by, but current well lid has following shortcoming: in order to achieve certain safety, the protection net can be mounted in the well cover, sundries such as soil can adhere the protection net to the inner wall of the well cover after the protection net is used for a long time, the existing protection net does not have a special dismounting mechanism, so that a user is difficult to dismount the protection net, and even a violent dismantling mode is needed.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a safety well cover.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a safety well lid, includes the well cover down, the top rotation of well cover down is installed the well lid, the inner wall fixed mounting of well cover hypomere down has the ring of falling down, the inside movable mounting of well cover down has the protection network, the protection network is close to the upper end fixed mounting of lateral wall has four L shape couples, four L shape couple is all hung and is put on the ring of falling down, and the upper end of every two L shape couples of relative is fixed mounting respectively has hanging frame and connecting block, two install bracing piece and shrink tube between the connecting block, the tip of shrink tube is located the inside of bracing piece, and the fixed mounting has the spring between shrink tube and the bracing piece inner wall.

As a preferable technical scheme of the utility model, a rectangular groove is formed above the side wall of the well casing, a rotating shaft is fixedly arranged on the inner wall of the rectangular groove, the end part of the well cover is rotatably sleeved outside the rotating shaft, at least two raised strips are fixedly arranged at the upper end part of the well cover, a slot is formed at the upper end part of the well cover in a penetrating manner, and a baffle is fixedly arranged on the inner wall of the well casing above the protective net.

As a preferable technical scheme of the utility model, a pipe sleeve is fixedly arranged at the side end part of each connecting block, and the end parts of the inner shrinking pipe and the supporting rod are respectively inserted into the two pipe sleeves.

Compared with the prior art, the utility model has the following beneficial effects:

1. the user can be connected with two hanging frames with the couple, upwards pull out the protection network again, when maintaining the protection network, the user can be hard with the intradslip of shrink tube to the bracing piece, the shrink tube can drive the spring deformation simultaneously, the user can dismantle bracing piece and shrink tube in from two pipe boxes this moment, through design into multiple dismantlement mode with the protection network, even the protection network is glued with the well cover inner wall down because of being glued by debris such as earth for a long time, the user also can conveniently take it down, and effectively avoided traditional violent dismantlement mode.

2. Four L-shaped hooks at the end part of the protective net can be hung on the upper wall of the drop ring, a user can close and reset the well lid again after the protective net is installed, the protective net can play an auxiliary supporting role when the well lid is damaged, the protective net is made of metal, pedestrians are effectively prevented from falling into the drop well, the protective net cannot influence water flow to enter, and the protective net is arranged inside the drop well sleeve, so that a good safety protection effect can be achieved.

Drawings

FIG. 1 is a schematic view of the structure of a casing 1 according to the present utility model;

fig. 2 is a schematic structural view of a well lid 15 according to the present utility model;

FIG. 3 is a schematic view of the structure of the drop ring 13 of the present utility model;

fig. 4 is a schematic structural view of the protection net 2 according to the present utility model.

Wherein: 1. setting a well casing; 11. rectangular grooves; 12. a rotating shaft; 13. placing a falling ring; 14. a baffle; 15. a well cover; 16. a slot; 17. a convex strip; 2. a protective net; 21. l-shaped hooks; 22. hanging a frame; 23. a connecting block; 24. a pipe sleeve; 25. a support rod; 26. and (5) shrinking the pipe internally.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

The embodiment is as shown in figures 1, 2, 3 and 4, a safety manhole cover comprises a lower well cover 1, a manhole cover 15 is rotatably arranged above the lower well cover 1, a user can hold a supporting rod 25 by hand and forcefully pull the supporting rod 25 upwards, the supporting rod 25 is forced to drive an inner shrinkage tube 26 to move upwards, the supporting rod 25 and the inner shrinkage tube 26 can drive two connecting blocks 23 to bear force through two sleeves 24, the two connecting blocks 23 bear force to drive a protective net 2 to move upwards through two L-shaped hooks 21, at the moment, the protective net 2 can leave the lower well cover 1, when the protective net 2 is difficult to pull out, the user can be connected with the two hanging frames 22 by using the hooks, then pull the protective net 2 upwards, when the protective net 2 is maintained, the user can forcefully slide the inner shrinkage tube 26 towards the inside of the supporting rod 25, the inner wall of the lower section of the lower well cover 1 is fixedly provided with a telescopic ring 13, the inner side wall of the lower well cover 1 is movably provided with the protective net 2, the upper end part of the protective net 2, which is close to the side wall is fixedly provided with four L-shaped hooks 21, the four L-shaped hooks 21 are arranged on the inner walls of the inner shrinkage tube 25 and the inner shrinkage tube 25, the inner shrinkage tube 25 are fixedly arranged between the two L-shaped hooks 21 and the two connecting blocks 23 respectively, and the inner shrinkage tube 25 are fixedly arranged between the two connecting blocks and the two connecting blocks 25.

Rectangular groove 11 has been seted up to the top of lower well cover 1 lateral wall, rectangular groove 11's inner wall fixed mounting has pivot 12, the tip rotation cover of well lid 15 is established outside pivot 12, well lid 15 is rotatory at pivot 12 surface, the tip of well lid 15 is rotatory in rectangular groove 11 inside simultaneously, the user is with the vertical inside of putting into well cover 1 of protection network 2, four L shape couples 21 of protection network 2 upper end can be put with putting down circle 13 hanging this moment, the user can close well lid 15 again and reset after the installation of protection network 2 is accomplished, when well lid 15 damages, protection network 2 can play auxiliary support effect, and protection network 2 is made for the metal, effectively prevent that the pedestrian from falling into in the well down, the upper end fixed mounting of well lid 15 has two at least sand grip 17, the upper end of well lid 15 runs through and has seted up slot 16, the inner wall fixed mounting of lower well cover 1 that is located protection network 2 top, the side tip of every connecting block 23 all fixed mounting has 24, the pipe box of interior shrink 26 and bracing piece 25 is pegged graft respectively inside two 24.

Working principle:

firstly, the user will go into the well cover 1 and install in the sewer groove earlier, the user uses the crow bar to inject inside the slot 16, forcefully rotate well lid 15 upwards, well lid 15 is rotatory on pivot 12 surface, the tip of well lid 15 is rotatory in rectangle inslot 11 simultaneously, the user is with the protection network 2 vertical put into down the well cover 1 inside, four L shape couples 21 of protection network 2 upper end can be put with drop collar 13 hanging on this moment, the user can close well lid 15 again and reset after the installation of protection network 2 is accomplished, when well lid 15 damages, protection network 2 can play auxiliary support effect, and protection network 2 is made for metal, effectively prevent that the pedestrian from falling into down in the well, and protection network 2 can not influence the rivers entering, through setting up protection network 2 in down the inside of well cover 1, thereby can play better safety protection effect.

The second step, can contact a plurality of sand grip 17 when pedestrian etc. walk on well lid 15, because a plurality of sand grip 17 and well lid 15 form the unevenness, can receive the feedback when walking such as pedestrian, remind pedestrian etc. to leave on well lid 15 fast, when the user need go into the well maintenance down, the bracing piece 25 can be held with the hand, forcefully with bracing piece 25 upwards pulling, bracing piece 25 atress drives the pyrocondensation pipe 26 upwards and removes, bracing piece 25 and pyrocondensation pipe 26 can drive two connecting blocks 23 atress through two pipe sleeves 24, two connecting blocks 23 atress drive protection network 2 upwards through two L shape couple 21, protection network 2 can leave well sleeve 1 this moment, when protection network 2 appears being difficult to extract the phenomenon, the user can be connected with two hanging frame 22 with the couple, pull out protection network 2 again, when maintenance protection network 2, the user can be with the pyrocondensation pipe 26 upwards slide to bracing piece 25 with effort, pyrocondensation pipe 26 can drive the spring deformation simultaneously, the user can be with bracing piece 25 and pyrocondensation pipe 26 and drive protection network 2 upwards through two pipe sleeves 24, even if the mode is dismantled into the protection network 2 is dismantled with the downhill mode through two and the downhill, the realization of the traditional mode is convenient for the protection network 2, the downhill has been dismantled with its multiple inner wall, the protection network 2 has been avoided because of the downhill mode.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a safety well lid, includes well cover (1) down, its characterized in that, well cover (15) are installed in the top rotation of well cover (1) down, the inner wall fixed mounting of well cover (1) hypomere down has and puts down circle (13), the inside movable mounting of well cover (1) down has protection network (2), the upper end fixed mounting that protection network (2) is close to the lateral wall has four L shape couple (21), four L shape couple (21) are all hung and are put down on circle (13), and the upper end of every two L shape couple (21) that are opposite is fixed mounting respectively has hanging frame (22) and connecting block (23), two install bracing piece (25) and shrink tube (26) between connecting block (23), the tip of shrink tube (26) is located the inside of bracing piece (25), and the fixed mounting has the spring between shrink tube (26) and the bracing piece (25) inner wall.

2. The safety manhole cover according to claim 1, wherein a rectangular groove (11) is formed above the side wall of the lower manhole cover (1), a rotating shaft (12) is fixedly arranged on the inner wall of the rectangular groove (11), and the end part of the manhole cover (15) is rotatably sleeved outside the rotating shaft (12).

3. The safety manhole cover according to claim 1, wherein at least two raised strips (17) are fixedly arranged at the upper end part of the manhole cover (15), and a slot (16) is formed in the upper end part of the manhole cover (15) in a penetrating manner.

4. A safety manhole cover according to claim 1, characterized in that the inner wall of the lower casing (1) above the protection net (2) is fixedly provided with a baffle (14).

5. A safety manhole cover according to claim 1, characterized in that the lateral end of each connection block (23) is fixedly fitted with a sleeve (24).

6. A safety manhole cover according to claim 5, characterized in that the ends of the telescopic tube (26) and the supporting rod (25) are respectively inserted inside two sleeves (24).