Well lid

Abstract

The well lid comprises a well lid body and a well base, the well lid body is embedded in the well base, a supporting part and a plurality of positioning protrusions distributed on the periphery of the inner side wall are arranged on the inner side wall of the well base, the positioning protrusions are arranged above the supporting part, and the bottom face of the well lid body makes contact with the top face of the supporting part. The outer side wall of the well lid body abuts against the multiple positioning protrusions, the well lid is provided with an impurity preventing structure, the impurity preventing structure comprises an impurity disposal groove, and the impurity disposal groove is formed in the top face of the supporting part and is formed in the connecting position of the inner side wall of the well base and the supporting part. The width of the impurity disposal groove is larger than that of a gap between the outer side wall of the well lid body and the inner side wall of the well base. Therefore, through the impurity prevention structure arranged on the well lid, the contact surface of the well lid body and the well base is not affected by impurities such as silt, so that the well lid body is not prone to loosening, the technical effect of improving the stability of the well lid is achieved, and meanwhile the cleaning frequency of the well lid is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal facilities, in particular to a well lid. BACKGROUND

[0002] In the construction of municipal facilities, the well lid is an indispensable component. Usually, the well lid includes a well lid body and a well seat. In order to facilitate the opening and closing of the well lid body, and facilitate the installation and maintenance of the municipal facilities, a certain gap needs to be left between the well lid body and the well seat. However, the existence of the gap makes it easy for dirt and other impurities to enter between the contact surfaces of the well lid body and the well seat, and thus the well lid body is not easy to be tightly covered, and in severe cases, the well lid body may be loosened or even fall off when a vehicle rolls over or a pedestrian steps on it, which poses a great safety hazard. In addition, the opening of the well lid body also causes the dirt and other impurities in the gap to remain on the contact surfaces of the well seat and the well lid body, so that the impurities on the well seat need to be cleaned every time the well lid body is closed, which increases the number of cleaning of the well lid and increases the burden of the staff. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a well lid to solve the technical problems in the prior art that the well lid is easily loosened due to the influence of dirt and other impurities, affects the stability of the well lid, and increases the number of cleaning of the well lid.

[0004] In order to achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0005] A well lid includes a well lid body and a well seat, the well lid body is embedded in the well seat, a support portion and a plurality of positioning protrusions distributed around the inner side wall of the well seat are provided on the inner side wall of the well seat, the plurality of positioning protrusions are provided above the support portion, the bottom surface of the well lid body is in contact with the top surface of the support portion, and the outer side wall of the well lid body is in abutment with the plurality of positioning protrusions;

[0006] A dirt prevention structure is provided on the well lid, the dirt prevention structure includes a dirt disposal groove, the dirt disposal groove is provided on the top surface of the support portion, and the dirt disposal groove is provided at the connection between the inner side wall of the well seat and the support portion, and the width of the dirt disposal groove is greater than the width of the gap between the outer side wall of the well lid body and the inner side wall of the well seat.

[0007] Preferably, the support portion is an annular step protruding towards the center of the well seat along the inner side wall of the well seat, the dirt prevention structure includes a first groove provided on the top surface of the support portion, a second groove provided on the bottom surface of the well lid body and corresponding to the first groove, and a sealing ring provided in the first groove and the second groove.

[0008] Preferably, the support part comprises a plurality of stepped blocks which are spaced apart along the circumference of the inner side wall of the well seat, the impurity prevention structure comprises a chute formed between adjacent stepped blocks, the top surface of the stepped block is provided with an arc-shaped groove with a middle part higher than end parts at one end of the inner side wall of the well seat, the impurity disposal groove comprises a plurality of arc-shaped grooves, the chute is communicated with the impurity disposal groove, and the bottom end of the chute is connected with the lower opening of the well seat.

[0009] Preferably, the top of the well cover cover body is a curved surface with a middle part protruding, the edge of the curved surface is flush with the upper part of the well seat, the well cover cover body is provided with a countersunk hole, the well seat is provided with a screw hole at a position corresponding to the countersunk hole, a fixing screw is arranged in the countersunk hole and the screw hole, and a luminous rubber plug is arranged in the countersunk hole.

[0010] Preferably, the well cover cover body comprises an opening cover pull ring, the well cover cover body is provided with a pull ring groove, and the opening cover pull ring is arranged in the pull ring groove.

[0011] Preferably, the well cover cover body comprises a protruding pattern, and the protruding pattern is arranged on the top surface of the well cover cover body.

[0012] Preferably, the well cover cover body comprises an identification area, the identification area is arranged in the middle part of the top surface of the well cover cover body, a protruding wall is arranged around the identification area, and a notch is arranged on the protruding wall.

[0013] Preferably, the outer side wall of the well seat is provided with a boss and a reinforcing rib, the boss is arranged at the lower bottom edge of the well seat, and the reinforcing rib is arranged above the boss.

[0014] Preferably, the well seat comprises a symmetrical hand rest hole, and the hand rest hole is arranged below the outer side wall of the well seat.

[0015] Preferably, the well seat comprises a stacking positioning groove, and the stacking positioning groove is arranged at the bottom of the well seat.

[0016] Compared with the prior art, the present application has at least the following beneficial effects:

[0017] The well lid comprises a well lid cover and a well seat, the well lid cover is embedded in the well seat, a support part and a plurality of positioning protrusions distributed around the inner side wall of the well seat are arranged on the inner side wall of the well seat, the plurality of positioning protrusions are arranged above the support part, the bottom surface of the well lid cover is in contact with the top surface of the support part, the outer side wall of the well lid cover is in abutment with the plurality of positioning protrusions, a foreign matter prevention structure is arranged on the well lid, the foreign matter prevention structure comprises a foreign matter treatment groove, the foreign matter treatment groove is arranged on the top surface of the support part, and the foreign matter treatment groove is arranged at the connection between the inner side wall of the well seat and the support part, and the width of the foreign matter treatment groove is greater than the width of the gap between the outer side wall of the well lid cover and the inner side wall of the well seat. In this way, the well lid cover is embedded in the well seat, the support part supports the well lid cover, the plurality of positioning protrusions distributed around the inner side wall of the well seat are used for positioning the well lid cover, the width of the gap between the outer side wall of the well lid cover and the inner side wall of the well seat is fixed, and the foreign matter prevention structure arranged on the well lid is used for preventing the contact surface of the well lid cover and the well seat from being affected by mud and other foreign matters, so that the well lid cover is not easy to loosen, the technical effect of increasing the stability of the well lid is achieved, and the cleaning frequency of the well lid is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more directly illustrate the prior art and the present application, the following exemplary drawings are given. It should be understood that the specific shapes, structures, etc. shown in the drawings should not be regarded as limiting conditions in the implementation of the present application; for example, based on the technical concepts disclosed in the present application and the exemplary drawings, those skilled in the art can easily make routine adjustments or further optimizations on the increase / decrease / attribute division of certain units (components), specific shapes, positional relationships, connection modes, size ratio relationships, etc.

[0019] Figure 1 A structural exploded view of a well lid is provided for the embodiment of the present application;

[0020] Figure 2 A structural schematic view of a well seat of a well lid is provided for the embodiment of the present application;

[0021] Figure 3 A structural schematic view of another well seat of a well lid is provided for the embodiment of the present application;

[0022] Figure 4 A structural schematic view of a well lid from a first viewing direction is provided for the embodiment of the present application;

[0023] Figure 5 A sectional view of a well lid from the A-A direction of the first viewing direction is provided for the embodiment of the present application;

[0024] Figure 6 A structural schematic view of a well lid from a second viewing direction is provided for the embodiment of the present application.

[0025] Explanation of reference signs:

[0026] 1, well lid cover; 2, well seat; 3, support part; 4, positioning protrusion; 5, impurity disposal groove; 6, fixing screw; 7, first groove; 8, second groove; 9, sealing ring; 10, sliding groove; 11, night light rubber plug; 12, cover opening pull ring; 13, protruding wall; 14, boss; 15, reinforcing rib; 16, hand table hole; 17, stacking positioning groove. DETAILED DESCRIPTION

[0027] The application will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model discloses a well lid, and the main purpose is to make the well lid not loose due to the influence of silt and other impurities, affect the stability of the well lid, and reduce the cleaning frequency of the well lid.

[0029] Example 1

[0030] Examination Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 As shown in Figure 1, example 1 provides a well lid, including well lid cover 1 and well seat 2, well lid cover 1 is embedded in well seat 2, well seat 2 includes support part 3, support part 3 is arranged on the inner side wall of well seat 2, and the inner side wall of well seat 2 is also provided with positioning protrusion 4, positioning protrusion 4 is located above support part 3, and is distributed and arranged around the inner side wall of well seat 2, the bottom surface of well lid cover 1 is in contact with the top surface of support part 3, that is, support part 3 supports well lid cover 1, and the outer side wall of well lid cover 1 is in contact with a plurality of positioning protrusions 4, for example, as shown in Figure 2, positioning protrusions 4 are symmetrically arranged on the inner side wall of well seat 2, four inner side wall surfaces, two positioning protrusions 4 are arranged on each inner side wall surface, when well lid cover 1 is embedded in well seat 2, well lid cover 1 is fixed in the center of well seat 2. Figure 2 Positioning protrusion 4 mainly makes well lid cover 1 not easy to deviate, if well lid cover 1 deviates, it will affect the gap size between well lid cover 1 and well seat 2.

[0031] Further, the support part 3 is an annular step protruding to the center of the well seat 2 along the inner side wall of the well seat 2, the well cover is provided with an impurity prevention structure, the impurity prevention structure comprises an impurity disposal groove 5, a first groove 7 provided on the top surface of the support part 3, a second groove 8 provided on the bottom surface of the well cover body 1 and corresponding to the first groove 7, and a sealing ring 9 provided in the first groove 7 and the second groove 8, the impurity disposal groove 5 is provided on the top surface of the support part 3, and the impurity disposal groove 5 is provided at the connection between the inner side wall of the well seat 2 and the support part 3, and the width of the impurity disposal groove 5 is greater than the width of the gap between the outer side wall of the well cover body 1 and the inner side wall of the well seat 2. When impurities enter the gap between the outer side wall of the well cover body 1 and the inner side wall of the well seat 2, the impurities will first fall into the impurity disposal groove 5, and will not directly enter the contact surface between the bottom surface of the well cover body 1 and the top surface of the support part 3, that is, the impurities will not directly enter the contact surface between the well cover body 1 and the well seat 2, thereby avoiding the problem that the contact surface between the well cover body 1 and the well seat 2 is affected by impurities such as silt, causing the well cover body to loosen, and achieving the technical effect of increasing the stability of the well cover. The well cover only needs to be cleaned regularly, and does not need to be cleaned before each time the well cover body 1 is closed, thereby reducing the number of times the well cover is cleaned.

[0032] The top of the well cover body 1 is a curved surface with a protruding middle, and the edge of the curved surface is flush with the upper part of the well seat 2, that is, the middle of the well cover is higher than the edge, so that the top surface of the well cover is not easy to retain silt.

[0033] The well cover body 1 is provided with a countersunk hole, the well seat 2 is provided with a screw hole at a position corresponding to the countersunk hole, and a fixing screw 6 is arranged in the countersunk hole and the screw hole. Preferably, the fixing screw 6 is arranged at the four corners of the well cover body 1, which can further increase the stability of the well cover. A night light plug 11 is arranged in the countersunk hole, which can prevent dust from accumulating in the countersunk hole and affecting the disassembly of the fixing screw 6, and can also serve as a device and a reminder.

[0034] In the existing design, the well cover body 1 is usually opened by being provided with a through hole, which is easy to damage the well cover body 1. In the present embodiment, the well cover body 1 comprises an opening ring 12, which is preferably a stainless steel opening ring 12. The well cover body 1 is provided with a pull ring groove, and the opening ring 12 is arranged in the pull ring groove. Exemplarily, one end of the opening ring 12 is annular, and the other end is a bolt, and the bolt end is connected with the well cover body 1. The opening ring 12 facilitates the opening and closing of the well cover body 1.

[0035] The well cover body 1 comprises a protruding pattern arranged on the top surface of the well cover body 1, which not only serves the purpose of preventing slipping, but also makes the top surface of the well cover body 1 not easy to retain silt.

[0036] The well lid cover 1 comprises an identification area for printing product identification, the identification area is arranged in the middle of the top surface of the well lid cover 1, a raised wall 13 is arranged around the identification area, and a notch is arranged on the raised wall 13, so that the identification area is not easy to retain silt.

[0037] The outer side wall of the well seat 2 is provided with a boss 14 and a reinforcing rib 15, the boss 14 is arranged below the well seat 2, and the reinforcing rib 15 is arranged above the boss 14, so as to increase the pressure resistance of the well lid.

[0038] The well seat 2 comprises symmetrical hand platform holes 16 arranged below the outer side wall of the well seat 2, so as to facilitate the carrying of the well lid during installation.

[0039] The well seat 2 comprises a stacking positioning groove 17 arranged at the bottom of the well seat 2, the well lid is stacked and stored before being installed and used, and the well lid is more stable and not easy to collapse when stacked and stored through the stacking positioning groove 17.

[0040] Embodiment 2

[0041] Reference Figure 3 As shown in the drawings, embodiment 2 provides another well lid which is basically the same as embodiment 1, and the same parts will not be described again, and only the different parts will be introduced below.

[0042] In this embodiment, the support part 3 comprises a plurality of stepped blocks which are distributed along the circumference of the inner side wall of the well seat 2, the well lid is provided with a foreign matter prevention structure, the foreign matter prevention structure comprises a foreign matter treatment groove 5 and a sliding groove 10 formed between adjacent stepped blocks, one end of the top surface of the stepped block connecting the inner side wall of the well seat is provided with an arc-shaped groove with the middle part being higher than the end part, the foreign matter treatment groove 5 comprises a plurality of arc-shaped grooves, the width of the arc-shaped groove 5 is greater than the width of the gap between the outer side wall of the well lid cover 1 and the inner side wall of the well seat 2, the sliding groove 10 is communicated with the foreign matter treatment groove 5, that is, the sliding groove 10 is communicated with both ends of the arc-shaped groove, and the bottom end of the sliding groove 10 is connected with the lower opening of the well seat 2. When the foreign matter enters the gap between the outer side wall of the well lid cover 1 and the inner side wall of the well seat 2, the foreign matter will first fall into the arc-shaped groove, that is, the foreign matter treatment groove 5, or the foreign matter directly falls into the sliding groove 10, and will not directly enter the contact surface between the bottom surface of the well lid cover 1 and the top surface of the support part 3. Specifically, since the foreign matter treatment groove 5 comprises a plurality of spaced arc-shaped grooves, the foreign matter will slide from both ends of the arc-shaped groove to the sliding groove 10, or the foreign matter will directly fall into the sliding groove 10, and then the foreign matter will slide from the sliding groove 10 to the lower opening of the well seat 2. The foreign matter will not accumulate in the gap, and the foreign matter will directly slide from the well lid through the foreign matter treatment groove 5 and the sliding groove 10, so that the contact surface between the well lid cover 1 and the well seat 2 will not be affected by the silt and other foreign matters, and the well lid cover 1 is not easy to loosen, thereby achieving the technical effect of increasing the stability of the well lid.

[0043] Any technical features in the above embodiments can be combined (as long as the combinations of the technical features do not contradict each other), and for the sake of brevity, not all possible combinations of the technical features in the above embodiments are described; the embodiments not explicitly written in the above description should also be considered as the scope of the present disclosure.

Claims

1. A well lid, characterized in that The well cover comprises a well cover body (1) and a well seat (2), the well cover body (1) is embedded in the well seat (2), a support part (3) and a plurality of positioning protrusions (4) distributed around the inner side wall of the well seat (2) are arranged on the inner side wall of the well seat (2), the plurality of positioning protrusions (4) are arranged above the support part (3), the bottom surface of the well cover body (1) is in contact with the top surface of the support part (3), and the outer side wall of the well cover body (1) is in abutment with the plurality of positioning protrusions (4). The well cover is provided with an impurity prevention structure, the impurity prevention structure comprises an impurity treatment groove (5), the impurity treatment groove (5) is arranged on the top surface of the support part (3), and the impurity treatment groove (5) is arranged at the joint of the inner side wall of the well seat (2) and the support part (3); the width of the impurity treatment groove (5) is greater than the width of the gap between the outer side wall of the well cover body (1) and the inner side wall of the well seat (2).

2. A manhole cover according to claim 1, wherein, The support part (3) is an annular step protruding from the inner side wall of the well seat (2) to the center of the well seat (2), the impurity prevention structure comprises a first groove (7) arranged on the top surface of the support part (3), a second groove (8) arranged on the bottom surface of the well cover body (1) and corresponding to the first groove (7), and a sealing ring (9) arranged in the first groove (7) and the second groove (8).

3. A well lid as claimed in claim 1, wherein, The support part (3) comprises a plurality of step blocks, the plurality of step blocks are distributed along the circumference of the inner side wall of the well seat (2), the impurity prevention structure further comprises a sliding groove (10) formed between adjacent step blocks, the top surface of the step block is provided with an arc-shaped groove with a middle part higher than end parts, the top surface of the step block is connected to one end of the inner side wall of the well seat (2), the impurity treatment groove (5) comprises a plurality of arc-shaped grooves, the sliding groove (10) is communicated with the impurity treatment groove (5), and the bottom end of the sliding groove (10) is connected to the lower opening of the well seat (2).

4. A well lid as claimed in claim 1, characterised in that The top of the well cover body (1) is a curved surface with a protruding middle part, the edge of the curved surface is flush with the upper part of the well seat (2), the well cover body (1) is provided with a countersunk hole, the well seat (2) is provided with a screw hole corresponding to the position of the countersunk hole, the countersunk hole and the screw hole are provided with a fixing screw (6), and the countersunk hole is provided with a luminous rubber plug (11).

5. A well lid as claimed in claim 1, wherein, The well cover body (1) comprises an opening ring (12), the well cover body (1) is provided with a pull ring groove, and the opening ring (12) is arranged in the pull ring groove.

6. A well lid as claimed in claim 1, wherein The well cover body (1) comprises a protruding pattern, and the protruding pattern is arranged on the top surface of the well cover body (1).

7. A well lid as claimed in claim 1, characterised in that The well cover body (1) comprises an identification area, the identification area is arranged on the middle part of the top surface of the well cover body (1), a protruding wall (13) is arranged around the identification area, and the protruding wall (13) is provided with a notch.

8. A well lid as claimed in claim 1, characterised in that The outer side wall of the well seat (2) is provided with a boss (14) and a reinforcing rib (15), the boss (14) is arranged at the lower bottom edge of the well seat (2), and the reinforcing rib (15) is arranged above the boss (14).

9. A well lid as claimed in claim 1, characterised in that The well seat (2) comprises symmetrical hand platform holes (16) arranged below the outer sidewall of the well seat (2).

10. A well lid as claimed in claim 1, characterised in that The well seat (2) comprises a stacking positioning groove (17) arranged at the bottom of the well seat (2).

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