Municipal road drainage structure

Abstract

The municipal road drainage structure comprises a well body, a well lid base, a well lid body, a limiting piece and a bearing component, and the bearing component comprises a movable piece and a bearing piece. When flood discharge is needed, the well lid body is opened, the bearing piece is pushed, the bearing piece faces the flood flowing direction, the annular groove in the well lid body is matched with the ball head body, and an open flood discharge opening is formed between the well lid body and the well lid base. The municipal road drainage structure can incline by pushing the bearing component and can incline towards any direction, so that the municipal road drainage structure can face the water flowing direction conveniently, and therefore the flood discharge capacity is improved. And the position of the lower end of the bearing component is limited through cooperation of the limiting piece and the maintaining assembly, so that the bearing component can be always kept in an inclined state, position deviation is avoided, and the stability of the well lid body during flood discharge is guaranteed. According to the drainage structure, the flood discharge capacity can be improved, and passers-by can be prompted through the inclined well lid body.

Description

Technical Field

[0001] The invention relates to road flood discharge and drainage technology, and in particular to a municipal road drainage structure. Background Art

[0002] Municipal road drainage system is an important part of urban road design. An unreasonable drainage system design will seriously affect the service life of the road, people's access and driving safety. In particular, the heavy rain caused by abnormal climate in recent years has gradually highlighted the problems in urban road drainage design. The unreasonable design of the road drainage system causes driving safety, road damage, and affects the lives of urban residents. It can be seen that the role of the urban road drainage system is significant, and its reasonable design is of far-reaching significance.

[0003] Most of the road drainage in the prior art uses rainwater pipes or sewers, and the water is discharged by opening drainage holes on the sewer manhole covers. A plurality of sewers and drainage ditches are set up on urban roads. When there is water accumulation on the road surface, the accumulated water is caused to flow into the sewers and drainage ditches through the design of the terrain. However, when there is too much water accumulation on the road surface, the drainage speed of the sewers and drainage ditches is slow, resulting in that the accumulated water on the road surface cannot be discharged immediately. Excessive accumulation of water will affect driving and people's normal travel safety, and it is necessary to increase the drainage rate. The method of increasing the drainage rate is mostly to increase the number of drainage holes, or to raise the drainage holes above the road surface so that the accumulated water contacts more with the drainage holes. Such a drainage device is higher than the road surface, which will have a certain impact on driving under normal conditions. Summary of the invention

[0004] In order to solve the defects of the above-mentioned prior art, the present invention proposes a municipal road drainage structure.

[0005] The technical solution of the present invention is achieved in this way:

[0006] A municipal road drainage structure, comprising:

[0007] A well body, wherein a drainage area is formed in the middle of the well body;

[0008] A manhole cover seat is arranged at the upper end of the manhole body, and a manhole cover body is arranged in the middle of the manhole cover seat;

[0009] A limiting member is arranged in the drainage area, wherein a plurality of limiting chambers are arranged in the middle of the limiting member, the limiting chambers are separated by partitions, and a plurality of first drainage holes are arranged on the limiting member;

[0010] A support member installed at the upper end of a limiting member. The support member is composed of symmetrically arranged support bodies. A hemispherical groove is provided in the middle of the support body. The support member is arranged at the upper end of the limiting member. A fixing block is provided on the support member. A bolt is provided in the middle of the fixing block. The support members are connected by bolts. Multiple second drain holes are provided on the support member; and

[0011] A bearing member installed in the hemispherical groove. The bearing member includes:

[0012] A movable member, on which a spherical head portion matching the hemispherical groove is provided;

[0013] A bearing member installed at the upper end of the movable member. A spherical head body is provided on the bearing member. An annular body matching the spherical head body is provided at the lower end of the well cover body. An annular groove for accommodating the spherical head body is provided in the middle of the annular body.

[0014] When flood discharge is required, open the well cover body, push the bearing member, keep the movable member rotating freely in the hemispherical groove through the spherical head portion, direct the bearing member towards the direction of the flood flow, and match the annular groove on the well cover body with the spherical head body to keep the bearing member supporting the annular body, so as to form an open flood discharge port between the well cover body and the well cover seat.

[0015] In the present invention, the bearing member is composed of a spherical head body, a connecting rod and a carrier body. A chamber is formed in the middle of the carrier body. Both sides of the chamber communicate with the outside. A connecting portion is provided at the lower end of the carrier body. A first threaded hole is provided in the middle of the connecting portion.

[0016] In the present invention, the movable member is composed of a first cylinder and a second cylinder. The spherical head portion is arranged in the middle of the first cylinder. The outer diameter of the first cylinder is smaller than that of the second cylinder. A pressing hole is formed in the middle of the movable member. A first external thread matching the first threaded hole is provided on the first cylinder.

[0017] In the present invention, a pressing member is provided in the middle of the movable member. The pressing member is arranged in the pressing hole. The pressing member is composed of a first rod body and a second rod body. A disc body is provided on the first rod body. An extension body is provided on the disc body. A first spring is sleeved on the first rod body. The first spring is located at the upper end of the movable member and at the lower end of the disc body. The disc body, the extension body and the first spring are arranged in the chamber. The diameter of the first rod body is larger than that of the second rod body.

[0018] In the present invention, a notch is provided at the lower end of the second rod body. An inclined surface is provided in the notch. A receiving area is formed at the upper end of the notch. A support body is provided at the lower end of the second rod body. The diameter of the support body is larger than that of the second rod body but smaller than that of the first rod body. A support surface is formed on the support body.

[0019] In the present invention, a sleeve is provided at the lower end of the movable part, the interior of the sleeve is open and an active chamber is formed in the middle, the lower end of the first column and the second column extend into the active chamber, the sleeve is provided with a through hole that cooperates with the first column, the lower end of the sleeve is provided with a positioning piece, the positioning piece is provided with a second external thread, a second threaded hole that cooperates with the second external thread is provided in the active chamber, and a second spring is provided between the positioning piece and the second column.

[0020] In the present invention, a fixing hole connected to the pressing hole is further provided on the second column, and a retaining assembly is provided in the fixing hole. The retaining assembly consists of a retaining seat, a locking member and an unlocking member. The unlocking member is arranged in the middle of the retaining seat, and the locking member is arranged in the middle of the unlocking member. A third spring is provided between the unlocking member and the retaining seat, and a fourth spring is provided between the locking member and the unlocking member. The elastic force of the third spring is greater than the elastic force of the fourth spring.

[0021] In the present invention, a first retaining hole is formed in the middle of the retaining seat, a positioning ring is provided in the middle of the first retaining hole, and a second retaining hole is formed in the middle of the positioning ring.

[0022] In the present invention, the unlocking member is composed of a first end head, a second end head and a connecting sleeve for connecting the first end head and the second end head, the first end head is provided with an unlocking protrusion, the unlocking protrusion is placed on a supporting surface, the middle of the second end head is provided with an extension hole, the middle of the connecting sleeve is provided with a moving area connected to the extension hole, the locking member is arranged in the moving area, the third spring is sleeved on the connecting sleeve, and one end of the third spring is kept in contact with the first end head, and the other end is kept in contact with the positioning ring.

[0023] In the present invention, the locking member is composed of a locking protrusion and a locking plate, the locking plate is arranged in the moving area, the locking protrusion is arranged in the extension hole, the inner wall of the active chamber is provided with a locking hole that cooperates with the locking protrusion, and the fourth spring is arranged in the moving area, one end of the fourth spring contacts the locking plate, and the other end contacts the inner wall of the moving area.

[0024] The municipal road drainage structure of the present invention has the following beneficial effects: the municipal road drainage structure can be tilted by pushing the bearing member, and can be tilted in any direction, so as to be oriented toward the direction of the water flow, thereby improving the flood discharge capacity. The lower end of the bearing member is limited in position by the cooperation of the limiter and the retaining assembly, so that it can always maintain a tilted state without positional displacement, thereby ensuring the stability of the manhole cover during flood discharge. The drainage structure can not only improve the flood discharge capacity, but also remind passers-by through the tilted manhole cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the municipal road drainage structure of the present invention;

[0026] Figure 2 for Figure 1 A top view of

[0027] Figure 3 for Figure 2 The cross-sectional view at AA in FIG.

[0028] Figure 4 for Figure 1 Exploded diagram of

[0029] Figure 5 for Figure 4 A cross-sectional view of the well structure in FIG.

[0030] Figure 6 for Figure 4 Schematic diagram of the manhole cover structure;

[0031] Figure 7 for Figure 4 Schematic diagram of the structure of the limiting member, the supporting member and the bearing member;

[0032] Figure 8 for Figure 7 Exploded diagram of

[0033] Fig. 9 for Figure 8 Schematic diagram of the support structure in FIG.

[0034] Fig.10 for Figure 7 Exploded diagram of the load-bearing component structure;

[0035] Fig.11 for Fig.10 A schematic diagram of the sleeve, the positioning member and the second spring structure;

[0036] Fig.12 for Fig.10 A cross-sectional view of the moving parts in FIG.

[0037] Fig.13 for Fig.10 Schematic diagram of the bearing structure in FIG.

[0038] Fig.14 for Fig.10 A perspective view of the pressure member and the first spring structure;

[0039] Fig.15 for Fig.10 A cross-sectional view of the retaining assembly structure;

[0040] Fig.16 for Fig.15 Exploded diagram of

[0041] Fig.17 for Figure 3 A local enlarged view of point B in FIG.

[0042] Fig.18 It is a schematic diagram of the flood discharge state of the manhole cover body, manhole cover seat, bearing parts and movable parts in the present invention.

[0043] In the figure: well body 1, well cover seat 2, stopper 3, support member 4, bearing member 5, well cover body 6, drainage area 7, thickening body 8, first positioning block 9, first positioning area 10, second positioning block 11, second positioning area 12, support block 13, positioning hole 14, positioning rod 15, collection port 16, mounting ring 17, mounting groove 18, hole 19, stopper chamber 20, partition 21, first drainage hole 22, outer ring 23, inner ring 24, middle The core 25, the bridge 26, the drainage groove 27, the arc surface 28, the positioning member 29, the retaining groove 30, the support 31, the hemispherical groove 32, the fixing block 33, the bolt 34, the second drainage hole 35, the movable member 36, the bearing member 37, the pressure member 38, the sleeve 39, the ball head 40, the first column 41, the second column 42, the pressing hole 43, the first threaded hole 44, the first external thread 45, the ball head 46, the annular body 47, the annular groove 48, Connecting rod 49, carrier 50, chamber 51, second spring 52, unlocking member 53, inclined surface 54, third spring 55, locking member 56, locking hole 57, connecting portion 58, first rod 59, second rod 60, disc 61, extension body 62, first spring 63, notch 64, accommodating area 65, active chamber 66, through hole 67, second external thread 68, second threaded hole 69, fixing portion 70, bridging rod 71, spherical body 72, Fixing hole 73, retaining assembly 74, retaining seat 75, fourth spring 76, first retaining hole 77, positioning ring 78, second retaining hole 79, first end 80, second end 81, unlocking protrusion 82, connecting sleeve 83, supporting surface 84, extending hole 85, moving area 86, locking protrusion 87, locking plate 88, first positioning vertical groove 89, first positioning vertical body 90, second positioning vertical body 91, second positioning vertical groove 92, flood discharge port 93. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0045] like Figures 1 to 18As shown, the municipal road drainage structure of the present invention includes a well body 1, a well cover seat 2, a limiter 3, a support member 4 and a bearing member 5. The well body 1 can be directly cast with concrete or built with bricks. The well cover seat 2 is arranged on the well body 1, the well cover body 6 is arranged in the middle of the well cover seat 2, the limiter 3 and the support member 4 are installed in the middle of the well body 1, the limiter 3 is arranged at the lower end of the support member 4, the bearing member 5 is installed in the middle of the support member 4, and the bearing member 5 is kept at the upper end of the limiter 3. By rotating the bearing member 5, the bearing member 5 can be tilted in any direction, so that the well cover body 6 can be supported by the inclined bearing member 5, so that it is inclined, and one end of the well cover body 6 is opened, thereby improving the flood discharge capacity. The lower end of the bearing member 5 is limited in position by the limiter 3, so that it can always maintain an inclined state without position displacement, thereby ensuring the stability of the well cover body 6 during flood discharge.

[0046] A drainage area 7 is formed in the middle of the well body 1, and the lower end of the drainage area 7 is connected to a drainage pipe. The drainage pipe connects multiple well bodies 1, thereby achieving a flood discharge effect, collecting rainwater and then discharging it into the lake.

[0047] A thickening body 8 is provided in the middle of the well body 1, and a plurality of first positioning blocks 9 are provided on the thickening body 8, and a first positioning area 10 is formed between the first positioning blocks 9 and the first positioning blocks 9. Second positioning blocks 11 cooperating with the first positioning area 10 are provided around the support member 4, and a second positioning area 12 for accommodating the first positioning blocks 9 is formed between the second positioning blocks 11 and the second positioning blocks 11. Through the cooperation between the first positioning blocks 9 and the second positioning blocks 11, the position of the support member 4 is restricted so that it cannot rotate.

[0048] A support block 13 is provided in the middle of the thickened body 8 , a positioning hole 14 is provided in the middle of the support block 13 , and a plurality of positioning rods 15 cooperating with the positioning holes 14 are provided at the lower end of the limiting member 3 .

[0049] The manhole cover seat 2 is arranged at the upper end of the manhole body 1, and a manhole cover body 6 is arranged in the middle of the manhole cover seat 2. A rainwater collection port 16 is formed in the middle of the manhole cover seat 2, a mounting ring 17 is arranged at the lower end of the manhole cover body 6, and a mounting groove 18 matching the mounting ring 17 is arranged on the manhole cover seat 2, and the manhole cover body 6 and the manhole cover seat 2 are positioned and installed.

[0050] Symmetrical holes 19 are provided on the manhole cover body 6, and the holes 19 are used for the staff to insert the lifting rod, and then rotate it, so that two or one staff can lift the manhole cover body 6 and then push the bearing member 5. The lifting rod can adopt the structure of the prior art, and the cross section of the lower end of the lifting rod is the same as the cross section of the hole 19, and the area is slightly smaller than the hole 19, and the upper end of the lifting rod is provided with a transverse rod perpendicular to the rod body, which is convenient for hand grasping. When in use, it is only necessary to insert the lifting rod into the hole 19 and then rotate it 90° to facilitate lifting the manhole cover body 6.

[0051] The limiting member 3 is arranged in the drainage area 7, and a plurality of limiting chambers 20 are arranged in the middle of the limiting member 3, and the limiting chambers 20 are separated by a partition 21, and a plurality of first drainage holes 22 are arranged on the limiting member 3. The limiting member 3 is composed of an outer ring 23, an inner ring 24 and a central body 25, and the outer ring 23 and the inner ring 24 are connected by a bridge body 26, and a plurality of the first drainage holes 22 are arranged between the inner ring 24 and the outer ring 23. A drainage groove 27 is formed between the inner ring 24 and the central body 25, and an arc surface 28 is arranged on the inner ring 24 and the central body 25, so that it can cooperate with the positioning member 29. The partition 21 connects the central body 25 and the inner ring 24, and a retaining groove 30 is arranged in the middle of the central body 25, and the positioning member 29 is arranged in the retaining groove 30.

[0052] The support member 4 is installed at the upper end of the stopper 3. The support member 4 is composed of a symmetrically arranged support body 31, a hemispherical groove 32 is arranged in the middle of the support body 31, and the support member 4 is arranged at the upper end of the stopper 3. A fixing block 33 is arranged on the support member 4, a bolt 34 is arranged in the middle of the fixing block 33, and the support members 4 are connected to each other by the bolt 34. A plurality of second drainage holes 35 are arranged on the support member 4.

[0053] The bearing member 5 is installed in the hemispherical groove 32, and the bearing member 5 includes a movable member 36, a bearing member 37, a pressure member 38, a sleeve 39 and a positioning member 29. The movable member 36 is arranged in the middle of the support member 4, and the movable member 36 is clamped in the middle by two supporting bodies 31. The movable member 36 can rotate freely in the hemispherical groove 32 through the cooperation between the ball head 40 and the hemispherical groove 32. The bearing member 37 is installed at the upper end of the movable member 36, and the pressure member 38 is arranged in the middle of the movable member 36. The sleeve 39 is arranged at the lower end of the movable member 36, and the positioning member 29 is installed at the lower end of the sleeve 39.

[0054] The movable part 36 is composed of a first column 41 and a second column 42. The movable part 36 is provided with a ball head 40 that cooperates with the hemispherical groove 32. The ball head 40 is arranged in the middle of the first column 41. The outer diameter of the first column 41 is smaller than the outer diameter of the second column 42. A pressing hole 43 is formed in the middle of the movable part 36. The first column 41 is provided with a first external thread 45 that cooperates with the first threaded hole 44.

[0055] The bearing member 37 is mounted on the upper end of the movable member 36, and a ball body 46 is provided on the bearing member 37. The lower end of the manhole cover body 6 is provided with an annular body 47 that matches the ball body 46, and the middle of the annular body 47 is provided with an annular groove 48 for accommodating the ball body 46. Since the annular groove 48 is circular, the ball body 46 can be installed at any position in the annular groove 48, so that the manhole cover body 6 can be placed conveniently during flood discharge.

[0056] The bearing member 37 is composed of a ball head 46, a connecting rod 49 and a bearing member 50. A chamber 51 is formed in the middle of the bearing member 50. Both sides of the chamber 51 are connected to the outside. The chamber 51 is convenient for the lower end of the lifting rod to be placed therein, and the bearing member 5 is pulled, or the pressure member 38 is pressed, so that the pressure member 38 pushes the second spring 52, so that the unlocking member 53 reaches the upper end of the inclined surface 54 from the lower end of the inclined surface 54, and the third spring 55 is kept to push the unlocking member 53, and the locking member 56 is driven by the unlocking member 53 to move out of the locking hole 57. A connecting portion 58 is provided at the lower end of the bearing member 50, and a first threaded hole 44 is provided in the middle of the connecting portion 58. The first threaded hole 44 is installed in cooperation with the first external thread 45 at the upper end of the movable member 36.

[0057] A pressure member 38 is provided in the middle of the movable member 36, and the pressure member 38 is arranged in the pressing hole 43. The pressure member 38 is composed of a first rod body 59 and a second rod body 60. A disc body 61 is provided on the first rod body 59, and an extension body 62 is provided on the disc body 61. A first spring 63 is sleeved on the first rod body 59, and the first spring 63 is located at the upper end of the movable member 36 and at the lower end of the disc body 61. The disc body 61, the extension body 62 and the first spring 63 are arranged in the chamber 51, and the diameter of the first rod body 59 is greater than the diameter of the second rod body 60.

[0058] When the pressure member 38 is pressed, the first spring 63 is blocked by the movable member 36, so that the pressure member 38 can be reset after the external force is removed. At the same time, the extension body 62 can form a certain gap between the disc body 61 and the top surface of the chamber 51, so that the lower end of the lifting rod can be inserted into the gap and placed on the upper end of the disc body 61 to press the disc body 61.

[0059] A notch 64 is provided at the lower end of the second rod body 60, and an inclined surface 54 is provided in the notch 64. The upper end of the notch 64 forms a accommodating area 65. The upper end of the inclined surface 54 is at a greater distance from the outer wall of the second rod body 60, while the lower end of the inclined surface 54 is at a smaller distance from the outer wall of the second rod body 60. Therefore, after the pressure member 38 is pressed, the unlocking member 53 can be moved under the push of the third spring 55, so that the compressed third spring 55 pushes the unlocking member 53 to move by its own elastic force.

[0060] A support body 31 is provided at the lower end of the second rod body 60 . The diameter of the support body 31 is larger than the diameter of the second rod body 60 , but smaller than the diameter of the first rod body 59 . A support surface 84 is formed on the support body 31 . The support body 31 can limit the position of the unlocking member 53 .

[0061] A sleeve 39 is provided at the lower end of the movable member 36, the interior of the sleeve 39 is open and a movable chamber 66 is formed in the middle, the lower end of the first column 41 and the second column 42 extend into the movable chamber 66, and the sleeve 39 is provided with a through hole 67 that matches the first column 41. A positioning member 29 is provided at the lower end of the sleeve 39, and a second external thread 68 is provided on the positioning member 29, and a second threaded hole 69 that matches the second external thread 68 is provided in the movable chamber 66, and a second spring 52 is provided between the positioning member 29 and the second column 42.

[0062] The positioning member 29 is composed of a fixing portion 70, a bridging rod 71 and a spherical body 72. The second external thread 68 is arranged on the fixing portion 70. The bridging rod 71 connects the fixing portion 70 and the spherical body 72. The spherical body 72 cooperates with the arc surface 28 to keep the bearing member 5 stably in an inclined state.

[0063] The second column 42 is also provided with a fixing hole 73 connected with the pressing hole 43, and a holding assembly 74 is provided in the fixing hole 73. The holding assembly 74 is composed of a holding seat 75, a locking member 56 and an unlocking member 53. The unlocking member 53 is arranged in the middle of the holding seat 75, and the locking member 56 is arranged in the middle of the unlocking member 53. A third spring 55 is provided between the unlocking member 53 and the holding seat 75, and a fourth spring 76 is provided between the locking member 56 and the unlocking member 53. The elastic force of the third spring 55 is greater than the elastic force of the fourth spring 76. The unlocking member 53 can be pushed by the third spring 55, so that the locking member 56 is driven to move out of the locking hole 57 through the unlocking member 53.

[0064] A first retaining hole 77 is formed in the middle of the retaining seat 75, a positioning ring 78 is provided in the middle of the first retaining hole 77, and a second retaining hole 79 is formed in the middle of the positioning ring 78. The unlocking member 53 is disposed in the second retaining hole 79, and the first end 80 and the second end 81 are disposed in the first retaining hole 77. Since the position of the retaining seat 75 is fixed, after pressing the pressure member 38, the third spring 55 can push the unlocking member 53 in the first retaining hole 77, so that the unlocking protrusion 82 enters the upper end of the inclined surface 54.

[0065] The unlocking member 53 is composed of a first end 80, a second end 81, and a connecting sleeve 83 for connecting the first end 80 and the second end 81. The connecting sleeve 83 is arranged in the second retaining hole 79. The first end 80 is provided with an unlocking protrusion 82, and the unlocking protrusion 82 is placed on the supporting surface 84. A protruding hole 85 is arranged in the middle of the second end 81, and a moving area 86 connected to the protruding hole 85 is arranged in the middle of the connecting sleeve 83. The locking member 56 is arranged in the moving area 86. The third spring 55 is sleeved on the connecting sleeve 83, and one end of the third spring 55 is kept in contact with the first end 80, and the other end is kept in contact with the positioning ring 78.

[0066] The locking member 56 is composed of a locking protrusion 87 and a locking plate 88, and the locking plate 88 is arranged in the moving area 86. The locking protrusion 87 is arranged in the extension hole 85, and the inner wall of the movable chamber 66 is provided with a locking hole 57 that cooperates with the locking protrusion 87. The locking hole 57 is located at the upper end of the retaining assembly 74. After the positioning member 29 moves from the retaining groove 30 to the limiting chamber 20, the second spring 52 can push the sleeve 39 downward, so that the sleeve 39 drives the locking hole 57 to move to the position of the locking protrusion 87, thereby pushing the locking member 56 into the locking hole 57 under the elastic force of the fourth spring 76. The fourth spring 76 is arranged in the moving area 86, and one end of the fourth spring 76 contacts the locking plate 88, and the other end contacts the inner wall of the moving area 86.

[0067] To prevent the pressing member and the sleeve 39 in the bearing component 5 from rotating around the movable member 36, a first vertical positioning groove 89 is provided on the pressure member 37, a first vertical positioning body 90 cooperating with the first vertical positioning groove 89 is provided in the pressing hole 43, a second vertical positioning body 91 is provided in the movable chamber 66, and a second vertical positioning groove 92 cooperating with the second vertical positioning body 91 is provided on the second column 42.

[0068] When flood discharge is required, the manhole cover body 6 is opened, the bearing member 37 is pushed, the movable member 36 is kept to rotate freely in the hemispherical groove 32 through the ball head 40, and the bearing member 37 is directed toward the direction of the flood flow to increase the flood discharge. The edge of the manhole cover body 6 is placed on the edge of the manhole cover seat 2, and the annular groove 48 on the manhole cover body 6 is matched with the ball head body 46, and the bearing member 37 is kept supporting the annular body 47, so that an open flood discharge port 93 is formed between the manhole cover body 6 and the manhole cover seat 2.

[0069] After the flood discharge is completed, the manhole cover body 6 is first removed, and then the lower end of the lifting rod is inserted into the chamber 51 and is at the upper end of the disc body 61, and the disc body 61 is pressed to compress the first spring 63, and the unlocking member 53 is pushed from the lower end of the inclined surface 54 to the upper end by the third spring 55, and the second end 81 is kept close to the positioning ring 78, and then the fourth spring 76 moves the locking member 56 out of the locking hole 57. Then, the bearing member 37 can be pulled by the lifting rod, so that the positioning member 29 is moved out of the limiting chamber 20 and reaches the retaining groove 30 on the central body 25. Then the manhole cover body 6 is reset to the manhole cover seat 2.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A municipal road drainage structure, characterized in that: include: A well body, wherein a drainage area is formed in the middle of the well body; A manhole cover seat is arranged at the upper end of the manhole body, and a manhole cover body is arranged in the middle of the manhole cover seat; A limiting member is arranged in the drainage area, wherein a plurality of limiting chambers are arranged in the middle of the limiting member, the limiting chambers are separated by partitions, and a plurality of first drainage holes are arranged on the limiting member; A support member installed at the upper end of the limiter, the support member is composed of a symmetrically arranged support body, a hemispherical groove is provided in the middle of the support body, the support member is arranged at the upper end of the limiter, a fixing block is provided on the support member, a bolt is provided in the middle of the fixing block, the support members are connected to each other by bolts, and a plurality of second drainage holes are provided on the support member; and A bearing member installed in the hemispherical groove, the bearing member comprising: A movable part, wherein the movable part is provided with a ball head which matches with the hemispherical groove; A bearing member is installed at the upper end of the movable member, and a ball head body is arranged on the bearing member. A ring body matching with the ball head body is arranged at the lower end of the manhole cover body, and an annular groove for accommodating the ball head body is arranged in the middle of the ring body. When flood discharge is required, the manhole cover body is opened, the supporting part is pushed, and the movable part is kept to rotate freely in the hemispherical groove through the ball head, the supporting part is pointed toward the direction of the flood flow, and the annular groove on the manhole cover body is matched with the ball head body to keep the supporting part supporting the annular body, so that an open flood discharge port is formed between the manhole cover body and the manhole cover seat.

2. The municipal road drainage structure according to claim 1, characterized in that: The supporting member is composed of a ball head body, a connecting rod and a supporting body, a chamber is formed in the middle of the supporting body, two sides of the chamber are connected to the outside, a connecting part is provided at the lower end of the supporting body, and a first threaded hole is provided in the middle of the connecting part.

3. The municipal road drainage structure according to claim 2, characterized in that: The movable part is composed of a first column and a second column, the ball head is arranged in the middle of the first column, the outer diameter of the first column is smaller than the outer diameter of the second column, a pressing hole is formed in the middle of the movable part, and the first column is provided with a first external thread that cooperates with the first threaded hole.

4. The municipal road drainage structure according to claim 3, characterized in that: A pressure piece is provided in the middle of the movable part, and the pressure piece is arranged in the pressing hole. The pressure piece consists of a first rod body and a second rod body. A disk body is provided on the first rod body, and an extension body is provided on the disk body. A first spring is sleeved on the first rod body, and the first spring is located at the upper end of the movable part and at the lower end of the disk body. The disk body, the extension body and the first spring are arranged in a chamber, and the diameter of the first rod body is greater than the diameter of the second rod body.

5. The municipal road drainage structure according to claim 4, characterized in that: A notch is provided at the lower end of the second rod body, an inclined surface is provided in the notch, and a receiving area is formed at the upper end of the notch. A supporting body is provided at the lower end of the second rod body, and the diameter of the supporting body is larger than the diameter of the second rod body but smaller than the diameter of the first rod body, and a supporting surface is formed on the supporting body.

6. The municipal road drainage structure according to claim 5, characterized in that: A sleeve is provided at the lower end of the movable part, the interior of the sleeve is open and an active chamber is formed in the middle, the lower end of the first column and the second column extend into the active chamber, the sleeve is provided with a through hole that cooperates with the first column, a positioning piece is provided at the lower end of the sleeve, the positioning piece is provided with a second external thread, a second threaded hole that cooperates with the second external thread is provided in the active chamber, and a second spring is provided between the positioning piece and the second column.

7. The municipal road drainage structure according to claim 6, characterized in that: The second column is also provided with a fixing hole connected with the pressing hole, and a retaining assembly is provided in the fixing hole. The retaining assembly consists of a retaining seat, a locking member and an unlocking member. The unlocking member is arranged in the middle of the retaining seat, and the locking member is arranged in the middle of the unlocking member. A third spring is arranged between the unlocking member and the retaining seat, and a fourth spring is arranged between the locking member and the unlocking member. The elastic force of the third spring is greater than the elastic force of the fourth spring.

8. The municipal road drainage structure according to claim 7, characterized in that: A first retaining hole is formed in the middle of the retaining seat, a positioning ring is provided in the middle of the first retaining hole, and a second retaining hole is formed in the middle of the positioning ring.

9. The municipal road drainage structure according to claim 8, characterized in that: The unlocking member is composed of a first end, a second end and a connecting sleeve for connecting the first end and the second end, the first end is provided with an unlocking protrusion, the unlocking protrusion is placed on a supporting surface, an extension hole is provided in the middle of the second end, a moving area connected to the extension hole is provided in the middle of the connecting sleeve, the locking member is arranged in the moving area, the third spring is sleeved on the connecting sleeve, and one end of the third spring is kept in contact with the first end, and the other end is kept in contact with the positioning ring.

10. The municipal road drainage structure according to claim 9, characterized in that: The locking member is composed of a locking protrusion and a locking plate, the locking plate is arranged in the moving area, the locking protrusion is arranged in the extension hole, the inner wall of the active chamber is provided with a locking hole that cooperates with the locking protrusion, the fourth spring is arranged in the moving area, one end of the fourth spring contacts the locking plate, and the other end contacts the inner wall of the moving area.

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