CN216586928U - Drop well - Google Patents

Abstract

The utility model belongs to the technical field of municipal drainage system technique and specifically relates to a drop well is related to, including first drop well and second drop well, be provided with first connecting pipe on the lateral wall of first drop well, through the second connecting pipe intercommunication between first drop well and the second drop well, the water drainage tank has been seted up to the bottom of first drop well, the lateral wall and the first connecting pipe intercommunication of water drainage tank, the diapire of water drainage tank is provided with arc portion, the bottom of second drop well is provided with the third connecting pipe. The rainwater discharged to the first drop well from the drainage well falls to the bottom of the first drop well and contacts with the arc-shaped part of the first drop well, the falling impact force of a part of rainwater is relieved, then the rainwater falls into the second drop well from the second connecting pipe and is discharged to the municipal drainage system from the third drop well, the falling impact force of the rainwater is greatly relieved, and the impact resistance of the drop well is improved.

Description

Drop well

Technical Field

The application relates to the technical field of urban drainage systems, in particular to a drop well.

Background

A drop well is also called a drop well, and is a well in which water flow falls. In the drainage pipeline, because the pipeline fall is large, when the design requirement cannot be met according to the normal pipeline gradient, an inspection well with a fall in the inner pipeline is adopted to meet the design scheme, because the water flow in the well falls, the well is called a drop well, compared with a common inspection well, the drop well needs to eliminate the energy of drop, and the energy is determined by the flow rate of the water flow and the falling height. The structure of the drop well has different designs, and the bottom structure of the drop well is generally firmer than that of a common inspection well depending on measures for energy dissipation.

The existing drop well is built by rectangular bricks, a drainage pipeline is installed at the bottom of the drop well, a slope inclined towards the drainage pipeline is installed at the bottom of the drop well to relieve the impact force of underwater falling to the bottom of the drop well, however, after the drop well is used for a long time, the slope can be flushed by water to form a water pit, the effect of reducing the impact force of water impact on the bottom of the drop well is lost, and the impact resistance of the drop well is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the impact resistance of a drop well, the application provides a drop well.

The application provides a drop well adopts following technical scheme:

the utility model provides a drop well includes first drop well and second drop well, first drop well and second drop well interval are seted up subaerial, be provided with on the lateral wall of first drop well and be used for the first connecting pipe with the drainage shaft intercommunication, through second connecting pipe intercommunication between the bottom of first drop well and the lateral wall of second drop well, first drop well and the equal inside cavity of second drop well and open-top, the top of first drop well or second drop well is provided with the well lid that is used for sealing first drop well and second drop well respectively, the water drainage tank has been seted up to the bottom of first drop well, the lateral wall and the first connecting pipe intercommunication of water drainage tank, the diapire of water drainage tank is provided with the arc portion of buckling downwards, the lateral wall of second drop well is provided with the third connecting pipe with municipal drainage system intercommunication.

By adopting the technical scheme, the rainwater discharged to the first drop well from the drainage well falls to the bottom of the first drop well and contacts with the arc-shaped part of the first drop well to relieve the impact force of falling of a part of rainwater, then the rainwater falls into the second drop well from the second connecting pipe and is discharged into a municipal drainage system from the third drop well, the original drop well is split into two drop wells, so that the rainwater falls into the first drop well and then falls into the second drop well, and then the arc-shaped part of the first drop well is matched, the impact force of falling of the rainwater is greatly relieved, and the impact resistance of the drop well is improved.

Optionally, the top wall of the well lid and the edge close to the side wall of the first drop well are provided with guide surfaces.

Optionally, the holding tank has been seted up on the lateral wall of first drop well, be provided with the inserted block on the lateral wall of holding tank, the inserted block is along the depth direction sliding connection of holding tank in the holding tank, the slot has been seted up on the lateral wall of well lid, inserted block and slot joint, be provided with in the holding tank and be used for ordering about the gliding drive arrangement of inserted block.

Optionally, the driving device comprises two bidirectional screws, two driven bevel gears, two driving bevel gears and two handles, the two insertion blocks are arranged on the side wall of the accommodating groove, the two insertion blocks are respectively in threaded connection with the two bidirectional screws, the driving bevel gears are coaxially and fixedly connected to the bottoms of the handles, the driven bevel gears are coaxially and fixedly connected to the two bidirectional screws, and the driving bevel gears are meshed with the driven bevel gears.

Through adopting above-mentioned technical scheme, the staff passes through the handle and rotates two-way screw rod, and two inserted blocks and two-way screw rod threaded connection drive the inserted block and remove to the direction that is close to the slot to make the inserted block joint to the slot in, make the well lid fix the top in first drop well, effectively prevent someone from stealing the well lid, lead to someone to drop in first drop well, perhaps debris enter into first drop well and cause the jam, improve the security.

Optionally, coaxial fixedly connected with dwang on the initiative bevel gear, the fixed slot that is used for holding dwang and initiative bevel gear is offered along vertical direction on the lateral wall of first drop well, and the dwang rotates and sets up on the lateral wall of fixed slot, the top and the ground intercommunication of fixed slot, the locating hole has been seted up to the one end that initiative bevel gear was kept away from to the dwang, the fixed locating piece that is provided with on the handle, locating piece and locating hole joint.

Through adopting above-mentioned technical scheme, the dwang is separable with the handle, and after the well lid was fixed to first drop well, the staff separated handle and dwang, did not have behind the handle, bare-handed rotation dwang difficulty, improved the theftproof ability of well lid.

Optionally, the cross section of the positioning block is hexagonal.

Optionally, a stop block is arranged on the side wall of the first drop well along the circumferential direction of the side wall of the first drop well, and the bottom wall of the well lid abuts against the top wall of the stop block.

Optionally, an inclined surface inclined toward the second drain pipe is provided on the bottom wall of the second drop well.

Through adopting above-mentioned technical scheme, the water that enters into the second drop well is arranged to municipal drainage system along the inclined plane in, improves the drainage performance of first drop well.

In summary, the present application includes at least one of the following beneficial technical effects:

the water discharged to the first drop well from the drainage well falls to the bottom of the first drop well and contacts with the arc-shaped part of the first drop well, so that the falling impact force of a part of rainwater is relieved, then the rainwater falls into the second drop well from the second connecting pipe and is discharged into a municipal drainage system from the third drop well, the falling impact force of the rainwater is greatly relieved, and the impact resistance of the drop well is improved;

the two-way screw rod is rotated by a worker through the handle, the two insertion blocks are in threaded connection with the two-way screw rod, the insertion blocks are driven to move towards the direction close to the insertion grooves, the insertion blocks are clamped in the insertion grooves, the well cover is fixed above the first drop well, and safety is improved;

the dwang is separable with the handle, and after the well lid was fixed to first drop well, the staff separated handle and dwang, does not have the handle after, bare-handed rotation dwang difficulty, improves the theftproof ability of well lid.

Drawings

Fig. 1 is a partial cross-sectional view of a drop well of an embodiment of the present application.

Fig. 2 is a partial schematic structural view of a first drop well according to an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a first drop well; 11. a water discharge tank; 12. an arc-shaped portion; 2. a second drop well; 21. an inclined surface; 3. a first connecting pipe; 4. a second connecting pipe; 5. a well cover; 51. a guide surface; 6. inserting a block; 7. a drive device; 71. a bidirectional screw; 72. a driven bevel gear; 73. a drive bevel gear; 74. a handle; 741. positioning blocks; 8. rotating the rod; 81. positioning holes; 9. a stopper; 10. and a third connecting pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a drop well. Referring to fig. 1, the drop well comprises a first drop well 1 and a second drop well 2, and the first drop well 1 and the second drop well 2 are arranged on the ground at intervals. The first falling well 1 and the second falling well 2 are communicated with each other through the second connecting pipe 4, the first connecting pipe 3 is installed on the side wall of the first falling well 1, the third connecting pipe 10 is installed on the side wall of the second falling well 2, rainwater enters the first falling well 1 from the first connecting pipe 3, then falls to the bottom of the first falling well 1 and moves into the second falling well 2 from the second connecting pipe 4, and then flows away from the third connecting pipe 10, so that the falling impact force of the rainwater is greatly relieved, and the impact resistance of the falling well is improved.

Referring to fig. 1, a first drop well 1 and a second drop well 2 are both formed by pouring reinforced concrete, a worker firstly excavates a hole with a circular cross section on the ground, and then pours the hole into a well by using the reinforced concrete, and the tops of the first drop well 1 and the second drop well 2 are open and hollow. The upper plane of the first drop well 1 is higher than the upper plane of the second drop well 2, and the lower plane of the first drop well 1 is higher than the lower plane of the second drop well 2, so that a step is formed between the first drop well 1 and the second drop well 2.

Referring to fig. 1, the top of each of the first falling well 1 and the second falling well 2 is provided with a well lid 5 for sealing the first falling well 1 and the second falling well 2, the well lid 5 is formed by pouring reinforced concrete, and the cross section of the well lid 5 is a circular round cover. The roof of well lid 5 and the edge that is close to the lateral wall of first drop well 1 are provided with spigot surface 51, and spigot surface 51 makes the size at the top of well lid 5 be less than the size of the bottom of well lid 5, and the transversal isosceles trapezoid that personally submits of well lid 5, and well lid 5 forms the interval with ground, improves well lid 5's saliency, reduces passerby or vehicle contact well lid 5, improves well lid 5's life.

Referring to fig. 1, one end of a first connection pipe 3 communicates with a first drop well 1 and a drainage well for draining rainwater on a road surface into the first drop well 1. The first connection pipe 3 may be a PE pipe or a concrete pipe, and in this embodiment, the first connection pipe 3 is a concrete pipe. The first connecting pipe 3 drains rainwater in the drainage well into the first drop well 1.

Referring to fig. 1, a stopper 9 is installed on a side wall of the first drop well 1 along a circumferential direction of the side wall of the first drop well 1, the stopper 9 is formed by pouring reinforced concrete, the cross section of the stopper 9 is rectangular, and an operator abuts against a bottom wall of the well lid 5 on a top wall of the stopper 9 to separate the well lid 5 from the first drop well 1.

Referring to fig. 2, in order to improve the anti-theft capability of the well lid 5, an accommodating groove is formed in the side wall of the first drop well 1, an insertion block 6 is mounted on the side wall of the accommodating groove, and the insertion block 6 is an L-shaped alloy plate. The degree of depth direction sliding connection of inserted block 6 along the holding tank sets up the slot with 6 adaptations of inserted block on the lateral wall of well lid 5 in the holding tank, and inserted block 6 and slot joint are equipped with in the holding tank and are used for ordering about the gliding drive arrangement 7 of inserted block 6.

Referring to fig. 2 and 3, in the present embodiment, the driving device 7 includes two bidirectional screws 71, two driven bevel gears 72, two driving bevel gears 73 and a handle 74, two insertion blocks 6 are oppositely installed, the bidirectional screws 71 are rotatably installed on the side walls of the accommodating grooves, the two insertion blocks 6 are respectively in threaded connection with the bidirectional screws 71, the driven bevel gears 72 are coaxially and fixedly installed at one ends of the bidirectional screws 71, the driving bevel gears 73 are engaged with the driven bevel gears 72, and the driving bevel gears 73 are coaxially and fixedly connected with the rotating rods 8. The fixed slot that is used for holding dwang 8 and drive bevel gear 73 is offered along vertical direction on the lateral wall of first drop well 1, and dwang 8 rotates to be connected on the lateral wall of fixed slot, the roof and the ground intercommunication of fixed slot.

Referring to fig. 2 and 3, a positioning hole 81 is formed in one end of the rotating rod 8 away from the drive bevel gear 73, a positioning block 741 is fixedly mounted at the bottom of the handle 74, and the positioning block 741 is clamped with the positioning hole 81. In order to further improve the anti-theft effect of the well lid 5, the cross section of the positioning block 741 is hexagonal.

Referring to fig. 1, 2 and 3, after the worker installs the well lid 5 on the stop dog 9, the worker rotates the two-way screw 71 through the rotating handle 74, the two insert blocks 6 are in threaded connection with the two-way screw 71, so that the two insert blocks 6 are driven to move towards the direction close to the slot at the same time, the two insert blocks 6 are clamped in the slot, the well lid 5 is fixed above the first drop well 1, then the worker separates the handle 74 from the rotating rod 8, the person is effectively prevented from stealing the well lid 5, the person falls into the first drop well 1 when passing through the first drop well 1 without the well lid 5, meanwhile, the foreign matter is also effectively prevented from entering the first drop well 1 without the well lid 5 to cause the blockage of the second connecting pipe 4 or the drainage groove 11, the safety is improved, and the drainage performance of the first drop well 1 is effectively guaranteed.

In other embodiments, the driving device 7 can also be in the form of a cylinder, a piston cylinder, a rack and pinion, a chain and sprocket transmission.

Referring to fig. 1, a drainage channel 11 is opened at the bottom of the first drop well 1, a side wall of the drainage channel 11 is communicated with the second connecting pipe 4, a bottom wall of the drainage channel 11 is provided with an arc-shaped portion 12 bent downwards, and a side wall of the arc-shaped portion 12 is communicated with the second connecting pipe 4. The second connection pipe 4 may be a PE pipe or a concrete pipe, and in this embodiment, the second connection pipe 4 is a concrete pipe. The water discharged from the drainage well to the first drop well 1 falls into the drainage groove 11 of the first drop well 1 and contacts the arc-shaped part 12 of the first drop well 1, the arc-shaped part 12 relieves the impact force of a part of rainwater falling, and the impact resistance of the first drop well 1 is improved.

Referring to fig. 1, the bottom wall of the second drop well 2 is provided with an inclined surface 21 inclined toward the second drain pipe. The third connecting pipe 10 is communicated with a municipal drainage system, the third connecting pipe 10 is installed at the lower end of the inclined surface 21, and water entering the second drop well 2 is drained into the municipal drainage system along the inclined surface 21, so that the drainage performance of the first drop well 1 is improved.

This application falls the well split of traditional falling and is divided into first falling well 1 and second falling well 2, effectively reduces and enters into the single whereabouts height of water in falling the well, and the length of falling the well of traditional is first to be torn open into two, makes water pass through first falling well 1 and second falling well 2 in proper order, then discharges again to be provided with inclined plane 21 on arc portion 12 and the second falling well 2 on first falling well 1, greatly alleviated the impact force of rainwater whereabouts, improved the impact resistance of falling the well.

The implementation principle of the drop well in the embodiment of the application is as follows: the rainwater drained from the drainage well to the first drop well 1 falls to the bottom of the first drop well 1 and contacts with the arc-shaped part 12 of the first drop well 1 to relieve the impact force of a part of rainwater falling, then the rainwater falls into the second drop well 2 from the second connecting pipe 4 and is drained into a municipal drainage system from the third drop well, the original drop well is split into two drop wells, so that the rainwater falls into the first drop well 1 and then into the second drop well 2, and then the arc-shaped part 12 of the first drop well 1 is matched, the impact force of rainwater falling is greatly relieved, and the impact resistance of the drop well is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A drop well, characterized by: the underground water-saving system comprises a first falling well (1) and a second falling well (2), wherein the first falling well (1) and the second falling well (2) are arranged on the ground at intervals, a first connecting pipe (3) communicated with a drainage well is arranged on the side wall of the first falling well (1), the bottom of the first falling well (1) is communicated with the side wall of the second falling well (2) through a second connecting pipe (4), the first falling well (1) and the second falling well (2) are both internally hollow and are open at the top, well covers (5) used for sealing the first falling well (1) or the second falling well (2) are respectively arranged at the tops of the first falling well (1) and the second falling well (2), a drainage groove (11) is arranged at the bottom of the first falling well (1), the side wall of the drainage groove (11) is communicated with the first connecting pipe (3), and an arc-shaped bottom wall (12) bent downwards is arranged on the drainage groove (11), and a third connecting pipe (10) communicated with a municipal drainage system is arranged on the side wall of the second drop well (2).

2. A drop well according to claim 1, wherein: the top wall of well lid (5) and the edge that is close to the lateral wall of first drop well (1) are provided with spigot surface (51).

3. A drop well according to claim 1, wherein: the anti-slip manhole cover is characterized in that a containing groove is formed in the side wall of the first falling well (1), an inserting block (6) is arranged on the side wall of the containing groove, the inserting block (6) is connected into the containing groove in a sliding mode along the depth direction of the containing groove, a slot is formed in the side wall of the manhole cover (5), the inserting block (6) is connected with the slot in a clamping mode, and a driving device (7) used for driving the inserting block (6) to slide is arranged in the containing groove.

4. A drop well according to claim 3, wherein: the driving device (7) comprises two-way screw rods (71), driven bevel gears (72), a driving bevel gear (73) and a handle (74), the number of the inserting blocks (6) is two, the rotation of the two-way screw rods (71) is arranged on the side wall of the accommodating groove, the two inserting blocks (6) are respectively in threaded connection with the two-way screw rods (71), the driving bevel gears (73) are coaxially and fixedly connected to the bottom of the handle (74), the driven bevel gears (72) are coaxially and fixedly connected to the two-way screw rods (71), and the driving bevel gears (73) are meshed with the driven bevel gears (72).

5. A drop well according to claim 4, wherein: coaxial fixedly connected with dwang (8) on drive bevel gear (73), offer the fixed slot that is used for holding dwang (8) and drive bevel gear (73) along vertical direction on the lateral wall of first drop well (1), dwang (8) rotate and set up on the lateral wall of fixed slot, the top and the ground intercommunication of fixed slot, locating hole (81) have been seted up to the one end that drive bevel gear (73) were kept away from in dwang (8), fixed locating piece (741) that is provided with on handle (74), locating piece (741) and locating hole (81) joint.

6. A drop well according to claim 5, wherein: the cross section of the positioning block (741) is hexagonal.

7. A drop well according to claim 1, wherein: the side wall of the first falling well (1) is provided with a stop block (9) along the circumferential direction of the side wall of the first falling well (1), and the bottom wall of the well cover (5) is abutted to the top wall of the stop block (9).

8. A drop well according to claim 1, wherein: and an inclined surface (21) inclined towards the second drain pipe is arranged on the bottom wall of the second drop well (2).

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