Well lid structure with changeable marks

Abstract

A well lid structure with a changeable mark comprises a well lid body, a mark block connected to the well lid body and a first fixing bolt connected between the well lid body and the mark block, the mark block is provided with a well lid mark used for marking the purpose of a well lid, and the well lid body is provided with a first limiting groove and a plurality of first fixing screw holes. A plurality of first fixing screw holes are formed in the first limiting groove, a plurality of second fixing screw holes are formed in the identification block, the first limiting groove is matched with the identification block in shape and size, the first fixing screw holes and the second fixing screw holes are matched with the first fixing bolts in shape and size, and when the identification block is placed in the first limiting groove, the first fixing bolts are inserted into the first fixing screw holes. The first fixing screw holes and the second fixing screw holes are in one-to-one correspondence in position, and the first fixing bolts can be in threaded connection with the first fixing screw holes and the second fixing screw holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of well lid, especially to a well lid structure with changeable identification. BACKGROUND

[0002] Well lid is a commonly used equipment in road engineering, and can be divided into sewage well lid and rainwater well lid according to different purposes, and the two kinds of well lids have no difference in structure, only different well lid identification is arranged on the well lid to distinguish, so as to facilitate subsequent maintenance of the well lid and the pipeline covered by the well lid, in the prior art, if the pipeline purpose needs to be changed, the whole well lid needs to be replaced, which is time-consuming and laborious, and greatly improves the maintenance cost, if the well lid and the well lid identification are designed as a split type, the following problems may exist: first, as a large number of vehicles pass on the road, the well lid identification will be subjected to great pressure and friction, which may cause the well lid identification to be separated from the well lid; second, due to the influence of airflow caused by the vehicles passing through, the gravel or small sand particles may fall into the connecting gap between the well lid identification and the well lid, which may cause the well lid identification to be stuck and unable to be detached. SUMMARY

[0003] In order to solve the above problems, the utility model provides a well lid structure with changeable identification, which can reduce the cost of replacing the well lid identification, ensure the stability of the connection structure of the well lid and the well lid identification, and avoid the sticking phenomenon when the well lid is detached.

[0004] The technical scheme of the utility model discloses a well lid structure with changeable identification, which comprises a well lid body, an identification block connected to the well lid body and a first fixing bolt connected between the well lid body and the identification block, the identification block is provided with a well lid identification for indicating the purpose of the well lid, the well lid body is provided with a first limiting groove and a plurality of first fixing screw holes, the identification block is provided with a plurality of second fixing screw holes, the shape and size of the first limiting groove and the identification block are matched, the shape and size of the first fixing screw hole and the second fixing screw hole are matched with the first fixing bolt respectively, and when the identification block is placed in the first limiting groove, the positions of the first fixing screw hole and the second fixing screw hole are one-to-one corresponding respectively, and the first fixing bolt can be threadedly connected to the first fixing screw hole and the second fixing screw hole.

[0005] According to the technical scheme, when the manhole cover needs to be replaced, the first fixing bolt is screwed out of the first fixing screw hole and the second fixing screw hole, then the identification block to be replaced is taken out of the first limiting groove, then the new identification block is put into the first limiting groove, the second fixing screw hole on the identification block is aligned with the first fixing screw hole on the first limiting groove, and then the identification block is threadedly connected with the manhole cover body, so that the connection stability between the manhole cover body and the identification block is ensured, and meanwhile, the labor cost and maintenance cost for replacing the manhole cover can be greatly reduced.

[0006] Further settings of the utility model: identification block includes first identification block and second identification block connected to first identification block, first identification block and second identification block are integrally formed, second fixing screw hole is arranged in first identification block, first identification block, second identification block and first limiting groove are circular, first identification block and second identification block are coaxially arranged, the diameter of first identification block is greater than the diameter of second identification block, the cross-sectional shape of first identification block is adapted to the size of the cross-sectional shape of first limiting groove, the thickness of identification block is less than or equal to the depth of first limiting groove, sealing washer is further arranged between identification block and first limiting groove, the size of the shape of the gap between sealing washer and second identification block and first limiting groove is adapted, a plurality of third fixing screw holes are further arranged on sealing washer, the size of the shape of third fixing screw hole and second fixing screw hole is adapted, and when sealing washer is installed on identification block, the position of third fixing screw hole and second fixing screw hole one-to-one corresponds. According to the technical scheme, when the identification block is installed into the first limiting groove, first, the second fixing screw hole on the first identification block is aligned with the first fixing screw hole, then the sealing washer is put in, the position of the third fixing screw hole on the sealing washer is aligned with the position of the second fixing screw hole, and then the first fixing bolt is installed into the first fixing screw hole, the second fixing screw hole and the third fixing screw hole, so that the identification block and the manhole cover body are stably connected together, in addition, the sealing property between the manhole cover body and the identification block can be improved, and the first fixing bolt is prevented from being stuck in the connecting gap due to the falling of gravel or sand.

[0007] Further settings of the utility model: sealing washer includes first sealing washer and second sealing washer, first sealing washer is connected with first identification block, third fixing screw hole is arranged in first sealing washer, a plurality of fourth fixing screw holes are further arranged on sealing washer, fourth fixing screw hole penetrates first sealing washer and second sealing washer respectively, a plurality of fifth fixing screw holes are further arranged on first identification block, fifth fixing screw hole and fourth fixing screw hole are fixedly connected through second fixing bolt, the size of the shape of fourth fixing screw hole, fifth fixing screw hole and second fixing bolt is adapted.

[0008] The technical scheme is adopted, the sealing gasket comprises the first sealing gasket and the second sealing gasket, and the two are connected in a split type structure, therefore, even if the second sealing gasket is abraded due to a large friction force, the first sealing gasket can remain intact, the first fixing bolt is prevented from being stuck, the identification block is prevented from being inconvenient to disassemble from the well lid body, when installation is required, the third fixing screw hole on the first sealing gasket is aligned with the positions of the first fixing screw hole and the second fixing screw hole respectively, then the second sealing gasket is stacked on the first sealing gasket, the fourth fixing screw hole on the first sealing gasket and the second sealing gasket is aligned with the fifth fixing screw hole on the first identification block respectively, then the first sealing gasket, the second sealing gasket and the first identification block are connected together through the second fixing bolt, so that the stability of the well lid overall structure is ensured, and the stuck phenomenon is avoided when the well lid is disassembled.

[0009] Further setting of the utility model: the fourth fixing screw hole is further provided with a countersunk hole and a sealing block connected to the countersunk hole, and the sealing block is connected to the second fixing bolt through glue.

[0010] The technical scheme is adopted, the fourth fixing screw hole is further provided with a countersunk hole and a sealing block connected to the countersunk hole, the sealing block can greatly improve the sealing property of the second fixing bolt, the second fixing bolt connected to the fourth fixing screw hole is prevented from being blocked by the stone block, when disassembly is required, the sealing block is pried open through a tool, then the second fixing bolt and the first fixing bolt are screwed out in sequence, and the disassembly can be quickly completed. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model discloses a kind of well lid structures of transformable identification. Figure 1 It is the structure schematic view of the well lid structure of one embodiment of the utility model.

[0012] 1-well lid body, 2-identification block, 3-first fixing bolt, 4-first limiting groove, 5-first fixing screw hole, 6-second fixing screw hole, 7-first identification block, 8-second identification block, 9-sealing gasket, 10-third fixing screw hole, 11-first sealing gasket, 12-second sealing gasket, 13-fourth fixing screw hole, 14-fifth fixing screw hole, 15-countersunk hole, 16-sealing block. DETAILED DESCRIPTION

[0013] As Figure 1As shown, a variable identification manhole cover structure comprises a manhole cover body 1, an identification block 2 connected to the manhole cover body 1, and a first fixing bolt 3 connected between the manhole cover body 1 and the identification block 2, wherein the identification block 2 is provided with a manhole cover identification for indicating the purpose of the manhole cover, the manhole cover body 1 is provided with a first limiting groove 4 and a plurality of first fixing screw holes 5, the identification block 2 is provided with a plurality of second fixing screw holes 6, the first limiting groove 4 is adapted in shape and size to the identification block 2, the first fixing screw holes 5 and the second fixing screw holes 6 are respectively adapted in shape and size to the first fixing bolt 3, and when the identification block 2 is placed in the first limiting groove 4, the positions of the first fixing screw holes 5 and the second fixing screw holes 6 are one-to-one corresponding, and the first fixing bolt 3 can be threadedly connected to the first fixing screw holes 5 and the second fixing screw holes 6.

[0014] When the manhole cover needs to be replaced, first, the first fixing bolt 3 is unscrewed from the first fixing screw holes 5 and the second fixing screw holes 6, then the identification block 2 to be replaced is taken out of the first limiting groove 4, then a new identification block 2 is placed in the first limiting groove 4, the positions of the second fixing screw holes 6 on the identification block 2 and the first fixing screw holes 5 on the first limiting groove 4 are aligned, and then the identification block 2 is threadedly connected with the manhole cover body 1, so as to ensure the connection stability between the manhole cover body 1 and the identification block 2, and greatly reduce the labor cost and maintenance cost of replacing the manhole cover.

[0015] The identification block 2 comprises a first identification block 7 and a second identification block 8 connected to the first identification block 7, the first identification block 7 and the second identification block 8 are integrally formed, the second fixing screw holes 6 are arranged on the first identification block 7, the first identification block 7, the second identification block 8 and the first limiting groove 4 are circular, the first identification block 7 and the second identification block 8 are coaxially arranged, the diameter of the first identification block 7 is greater than the diameter of the second identification block 8, the cross-sectional shape of the first identification block 7 is adapted in size to the cross-sectional shape of the first limiting groove 4, the thickness of the identification block 2 is less than or equal to the depth of the first limiting groove 4, a sealing gasket 9 is further arranged between the identification block 2 and the first limiting groove 4, the sealing gasket 9 is adapted in shape and size to the gap between the second identification block 8 and the first limiting groove 4, a plurality of third fixing screw holes 10 are further arranged on the sealing gasket 9, the third fixing screw holes 10 are adapted in shape and size to the second fixing screw holes 6, and when the sealing gasket 9 is installed on the identification block 2, the positions of the third fixing screw holes 10 and the second fixing screw holes 6 are one-to-one corresponding.

[0016] When the identification block 2 is installed into the first limiting groove 4, first, the second fixed screw hole 6 on the first identification block 7 is aligned with the first fixed screw hole 5, then the sealing washer 9 is put in, the position of the third fixed screw hole 10 on the sealing washer 9 is aligned with the position of the second fixed screw hole 6, and then the first fixed bolt 3 is installed into the first fixed screw hole 5, the second fixed screw hole 6 and the third fixed screw hole 10 respectively, so as to ensure that the identification block 2 and the manhole cover body 1 are stably connected together, in addition, the sealing property between the manhole cover body 1 and the identification block 2 can be improved, and the first fixed bolt 3 is prevented from being stuck due to the gravel or sand dropping into the connecting gap.

[0017] The sealing washer 9 comprises a first sealing washer 11 and a second sealing washer 12, the first sealing washer 11 is connected with the first identification block 7 together, the third fixed screw hole 10 is arranged on the first sealing washer 11, a plurality of fourth fixed screw holes 13 are further arranged on the sealing washer 9, the fourth fixed screw holes 13 respectively penetrate the first sealing washer 11 and the second sealing washer 12, a plurality of fifth fixed screw holes 14 are further arranged on the first identification block 7, the fifth fixed screw holes 14 and the fourth fixed screw holes 13 are fixedly connected through the second fixed bolt, and the fourth fixed screw holes 13, the fifth fixed screw holes 14 and the second fixed bolt are matched in shape and size. Since the sealing washer 9 comprises the first sealing washer 11 and the second sealing washer 12, and the two are connected in a split type structure, even if the second sealing washer 12 is worn due to a large friction force, the first sealing washer 11 can remain intact, and the first fixed bolt 3 is prevented from being stuck, so that the identification block 2 and the manhole cover body 1 are not inconvenient to disassemble, when installation is needed, first, the third fixed screw hole 10 on the first sealing washer 11 is aligned with the position of the first fixed screw hole 5 and the second fixed screw hole 6 respectively, then the second sealing washer 12 is stacked on the first sealing washer 11, and the fourth fixed screw holes 13 on the first sealing washer 11 and the second sealing washer 12 are aligned with the fifth fixed screw holes 14 on the first identification block 7 respectively, then the first sealing washer 11, the second sealing washer 12 and the first identification block 7 are connected together through the second fixed bolt, so as to ensure the stability of the whole structure of the manhole cover, and prevent the manhole cover from being stuck when disassembled.

[0018] The fourth fixed screw hole 13 is further provided with a countersunk hole 15 and a sealing block 16 connected to the countersunk hole 15, and the sealing block 16 is connected to the second fixed bolt through glue.

[0019] Since the fourth fixing screw hole 13 is further provided with a counterbore 15 and a sealing block 16 connected to the counterbore 15, the sealing property of the second fixing bolt can be greatly improved through the sealing block 16, so that the second fixing bolt connected to the fourth fixing screw hole 13 will not be blocked by the gravel, and when disassembly is needed, the sealing block 16 is pried open through a tool, and then the second fixing bolt and the first fixing bolt 3 are successively screwed out, so that the disassembly can be quickly completed.

Claims

1. A transformable marked manhole cover structure, characterized by: The manhole cover includes a manhole cover body, an identification block connected to the manhole cover body, and a first fixing bolt connected between the manhole cover body and the identification block, the identification block is provided with a manhole cover identification for indicating the purpose of the manhole cover, the manhole cover body is provided with a first limiting groove and a plurality of first fixing screw holes, the identification block is provided with a plurality of second fixing screw holes, the first limiting groove and the identification block are matched in shape and size, the first fixing screw holes and the second fixing screw holes are respectively matched in shape and size with the first fixing bolt, and when the identification block is placed in the first limiting groove, the positions of the first fixing screw holes and the second fixing screw holes are one-to-one corresponding, and the first fixing bolt can be threadedly connected to the first fixing screw holes and the second fixing screw holes.

2. A transformable-identification manhole cover structure according to claim 1, characterized in that: The identification block includes a first identification block and a second identification block connected to the first identification block, the first identification block and the second identification block are integrally formed, the second fixing screw holes are arranged on the first identification block, the first identification block, the second identification block, and the first limiting groove are circular, the first identification block and the second identification block are coaxially arranged, the diameter of the first identification block is greater than the diameter of the second identification block, the cross-sectional shape of the first identification block is matched in size with the cross-sectional shape of the first limiting groove, the thickness of the identification block is less than or equal to the depth of the first limiting groove, a sealing gasket is further arranged between the identification block and the first limiting groove, the sealing gasket is matched in shape and size with the gap between the second identification block and the first limiting groove, a plurality of third fixing screw holes are further arranged on the sealing gasket, the third fixing screw holes are matched in shape and size with the second fixing screw holes, and when the sealing gasket is installed on the identification block, the positions of the third fixing screw holes and the second fixing screw holes are one-to-one corresponding.

3. A transformable-identification manhole cover structure according to claim 2, characterized in that: The sealing gasket includes a first sealing gasket and a second sealing gasket, the first sealing gasket is connected together with the first identification block, the third fixing screw holes are arranged on the first sealing gasket, a plurality of fourth fixing screw holes are further arranged on the sealing gasket, the fourth fixing screw holes respectively penetrate the first sealing gasket and the second sealing gasket, a plurality of fifth fixing screw holes are further arranged on the first identification block, the fifth fixing screw holes and the fourth fixing screw holes are fixedly connected by a second fixing bolt, the fourth fixing screw holes, the fifth fixing screw holes, and the second fixing bolt are matched in shape and size.

4. A transformable-identification manhole cover structure according to claim 3, characterized in that: A countersunk hole and a sealing block connected to the countersunk hole are further arranged on the fourth fixing screw hole, and the sealing block is connected to the second fixing bolt by glue.

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