Foundation pit drainage device

By using a brush assembly in the foundation pit drainage device to connect it with the connecting rod and fitting the brush assembly to the inner wall of the tank, the problem of mud and sand blocking the filter holes is solved, ensuring the normal use of the product and the protection of the submersible pump.

CN222614264UActive Publication Date: 2025-03-14CCCC FIRST HARBOR ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202420758685.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-03-14
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

After long-term use of the existing foundation pit drainage device, the silt and sand can easily block the filter screen, affecting the normal use of the product.

Method used

The brush assembly is connected to the connecting rod, and the brush assembly is bonded to the inner wall of the tank body. The brush assembly is driven to rotate on the inner wall of the tank body through multiple connecting rods, and the mud accumulated on the first filter hole is swept down to prevent the mud and sand from clogging the filter hole.

Benefits of technology

It effectively avoids silt and sand blocking the filter holes, ensures the normal use of the product, and filters out large particles of debris through the filter screen, protecting the submersible pump.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a foundation pit drainage device, and belongs to the technical field of foundation pit drainage. The foundation pit drainage device is communicated with the water pump and comprises a tank body, a first filtering hole, a partition plate, a rotating shaft, a spiral fan blade, a connecting rod and a brush assembly; a plurality of spiral fan blades are connected with the outer wall of a rotating shaft, and a plurality of connecting rods are connected with the outer wall of the rotating shaft, so that when water in a tank body flows from bottom to top, the water pushes the spiral fan blades to rotate, and the rotating shaft and the connecting rods rotate in the tank body; the brush assembly is connected with the connecting rods, and the brush assembly is attached to the inner wall of the tank body, so that the brush assembly is driven by the multiple connecting rods to rotate on the inner wall of the tank body, silt accumulated on the first filtering holes is driven by the brush assembly to sweep off, the silt is prevented from blocking the first filtering holes, and normal use of the product is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit drainage, and in particular relates to a foundation pit drainage device. Background Art

[0002] In the related art, after the excavation of the foundation pit is completed, the accumulated water at the bottom of the foundation pit needs to be drained by drainage.

[0003] Prior art (publication number: CN216238606U) A foundation pit drainage device includes a submersible pump and a fixed frame for accommodating the submersible pump, the fixed frame includes a positioning ring located at the top, a support ring located at the bottom, and a plurality of vertical support bars for connecting the positioning ring and the support ring, a plurality of cross-connected horizontal support bars are provided on the inner side of the support ring, the positioning ring, the support ring, the vertical support bars and the horizontal support bars form a submersible pump placement cavity with an upper opening, a filter screen is provided in the submersible pump placement cavity, the filter screen is located between the fixed frame and the submersible pump, and a support foot is provided at the bottom of the support ring. The utility model provides a fixed frame for placing the submersible pump, and uses the support foot to prevent the submersible pump from directly contacting the bottom surface of the foundation pit, thereby avoiding clogging with silt; at the same time, the provided filter screen can also filter out large particles of debris, further protecting the submersible pump.

[0004] In the prior art, large particles of debris are filtered through a filter net, but after the product is used for a long time, the filter net will be blocked by mud and sand, thereby affecting the normal use of the product. Utility Model Content

[0005] In order to solve the problem in the above-mentioned prior art that large particles of debris are filtered through the filter net, but after the product is used for a long time, the filter net will be blocked by mud and sand, thereby affecting the normal use of the product, the utility model provides a foundation pit drainage device, which uses a brush assembly to connect with a connecting rod, and fits the brush assembly with the inner wall of the tank body, so that multiple connecting rods drive the brush assembly to rotate on the inner wall of the tank body, so that the brush assembly drives the mud and sand accumulated on the first filter hole to be swept away, thereby avoiding mud and sand blocking the first filter hole, so as to ensure the normal use of the product. Its specific technical solution is:

[0006] A foundation pit drainage device is connected with a water pump, and comprises: a tank body, a first filter hole, a partition, a rotating shaft, a spiral blade, a connecting rod, and a brush assembly; the tank body is a hollow cavity, and the top of the tank body is connected with the water pump; a plurality of first filter holes are arranged on the outer wall of the tank body; a plurality of water-permeable holes are arranged on the partition, the partition is embedded in the tank body, and the partition is connected with the inner wall of the tank body; the rotating shaft is embedded in the tank body, the top end of the rotating shaft is rotatably connected with the partition, and the bottom end of the rotating shaft is rotatably connected with the bottom of the tank body; a plurality of spiral blades are connected with the outer wall of the rotating shaft; a plurality of connecting rods are embedded in the tank body, the plurality of connecting rods are connected with the outer wall of the rotating shaft, and the connecting rods are perpendicular to the rotating shaft; the brush assembly is connected with one end of the connecting rod away from the rotating shaft, and the brush assembly is in contact with the inner wall of the tank body; wherein the brush assembly is opposite to the plurality of first filter holes.

[0007] In addition, the foundation pit drainage device in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the foundation pit drainage device also includes: a filter screen; a plurality of second filter holes are arranged on the filter screen, the filter screen is embedded in the tank body, and the filter screen is fixed on the partition.

[0009] In the above technical solution, the brush assembly includes: a connecting seat, a brush body and a spring; an installation groove is provided in the connecting seat, and the connecting seat is connected to the end of the connecting rod away from the rotating shaft; at least part of the brush body is embedded in the installation groove, and the brush body is in contact with the inner wall of the tank body; the spring is embedded in the installation groove, and the spring is connected to the connecting seat and the brush body at the same time.

[0010] In the above technical solution, the brush assembly also includes: a guide rod and a limit plate; the guide rod passes through the connecting seat and the spring in sequence, and the guide rod is connected to the brush body; the limit plate is connected to one end of the guide rod away from the connecting seat, and the limit plate is located on the outside of the connecting seat.

[0011] In the above technical solution, the brush assembly further includes: a clearance hole; the clearance hole is arranged on the connecting seat, and the clearance hole is arranged around the outer side of the guide rod; wherein there is a gap between the clearance hole and the guide rod.

[0012] In the above technical solution, the foundation pit drainage device also includes: a lifting ring; a lifting hole is arranged in the lifting ring, and the two lifting rings are connected to the side wall of the tank body.

[0013] In the above technical solution, the foundation pit drainage device also includes: ground anchors; two ground anchors are connected to the bottom of the tank body, and one end of the ground anchor away from the tank body is pointed.

[0014] Compared with the prior art, the foundation pit drainage device of the utility model has the following beneficial effects:

[0015] 1. By connecting a plurality of spiral blades to the outer wall of the rotating shaft, and connecting a plurality of connecting rods to the outer wall of the rotating shaft, when the water in the tank body flows from bottom to top, the water pushes the spiral blades to rotate, thereby realizing the rotation of the rotating shaft and the connecting rods in the tank body; by connecting the brush assembly to the connecting rod, and fitting the brush assembly to the inner wall of the tank body, so that the plurality of connecting rods drive the brush assembly to rotate on the inner wall of the tank body, the brush assembly drives the sediment accumulated on the first filter hole to be swept away, thereby preventing the sediment from clogging the first filter hole, thereby ensuring the normal use of the product.

[0016] 2. By embedding the filter net into the tank body and fixing the filter net on the partition, the filter net can filter the sediment flowing through the water permeable holes, thereby preventing the sediment from entering the water pump, avoiding damage to the water pump, and improving the quality of the product.

[0017] 3. By connecting the connecting seat with the brush body spring and enabling the connecting rod to drive the connecting seat to rotate in the tank body, the brush body can move in the installation groove of the connecting seat, so that when the rotating shaft drives the connecting seat through the connecting rod, the brush body will move toward the inner wall of the tank body due to centrifugal force, thereby achieving a close fit between the brush body and the inner wall of the tank body, so as to enhance the cleaning effect of the brush body on the first filter hole.

[0018] 4. By connecting the limit plate to the end of the guide rod away from the connecting seat, and making the limit plate located on the outside of the connecting seat, when the end of the guide rod away from the connecting seat moves to the connecting seat, the limit plate is engaged with the connecting seat, thereby limiting the moving distance of the brush assembly and the guide rod to prevent the brush body from moving out of the installation groove.

[0019] 5. By setting the clearance hole on the connecting seat, the clearance hole is arranged around the outside of the guide rod, and there is a gap between the clearance hole and the guide rod, so that the guide rod can move in the clearance hole, thereby avoiding interference between the guide rod and the connecting seat, so as to improve the quality of the product.

[0020] 6. By connecting two lifting rings to the side wall of the tank body and setting lifting holes in the lifting rings, the steel wire rope can pass through the lifting holes of the lifting rings, thereby lifting the tank body to improve the product experience.

[0021] 7. By connecting two ground anchors to the bottom of the tank body and making the end of the ground anchor away from the tank body pointed, when the tank body is placed in the foundation pit, the two ground anchors are embedded in the ground, thereby improving the stability of the tank body in the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of a foundation pit drainage device of the utility model;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 for Figure 1 A partial enlarged view of point B;

[0025] Figure 4 It is a front view of a foundation pit drainage device of the utility model;

[0026] in, Figures 1 to 4 The corresponding relationship between the reference numerals and component names in the figure is:

[0027] 10 tank body, 11 first filter hole, 12 partition, 13 water permeable hole, 14 rotating shaft, 15 spiral fan blade, 16 connecting rod, 17 brush assembly, 171 connecting seat, 172 mounting groove, 173 brush body, 174 spring, 175 guide rod, 176 limit plate, 177 make way hole, 18 filter net, 19 second filter hole, 20 lifting ring, 21 lifting hole, 22 anchor. DETAILED DESCRIPTION

[0028] The following is a combination of specific implementation cases and attached Figure 1-4 The present invention is further described below, but the present invention is not limited to these embodiments.

[0029] A foundation pit drainage device, such as Figures 1 to 4 As shown, the foundation pit drainage device is connected to the water pump, and the foundation pit drainage device includes: a tank body 10, a first filter hole 11, a partition 12, a rotating shaft 14, a spiral fan blade 15, a connecting rod 16, and a brush assembly 17; the tank body 10 is a hollow cavity, and the top of the tank body 10 is connected to the water pump; a plurality of first filter holes 11 are arranged on the outer wall of the tank body 10; a plurality of water-permeable holes 13 are arranged on the partition 12, and the partition 12 is embedded in the tank body 10, and the partition 12 is connected to the inner wall of the tank body 10; the rotating shaft 14 is embedded in the tank body 10, and the rotating shaft 14 is connected to the inner wall of the tank body 10. The top end of the shaft 14 is rotatably connected to the partition 12, and the bottom end of the shaft 14 is rotatably connected to the bottom of the tank body 10; a plurality of spiral blades 15 are connected to the outer wall of the shaft 14; a plurality of connecting rods 16 are embedded in the tank body 10, and the plurality of connecting rods 16 are connected to the outer wall of the shaft 14, and the connecting rods 16 are perpendicular to the shaft 14; a brush assembly 17 is connected to one end of the connecting rod 16 away from the shaft 14, and the brush assembly 17 is in contact with the inner wall of the tank body 10; wherein the brush assembly 17 is opposite to the plurality of first filter holes 11.

[0030] By setting a plurality of first filter holes 11 on the outer wall of the tank body 10, and connecting the top of the tank body 10 with a water pump through a soft water pipe, a negative pressure is formed inside the tank body 10, so that water flows into the tank body 10 through the first filter holes 11, and the water pump pumps out the water flowing into the tank body 10, thereby realizing that water flows from bottom to top in the tank body 10. By connecting the partition 12 to the inner wall of the tank body 10, and setting a plurality of water-permeable holes 13 on the partition 12, the water flowing into the tank body 10 is pumped out by the water pump through the plurality of water-permeable holes 13 on the partition 12. By rotatably connecting the top end of the rotating shaft 14 to the partition 12, and rotatably connecting the bottom end of the rotating shaft 14 to the bottom of the tank body 10, the partition 12 and the tank body 10 support the rotating shaft 14, so that the rotating shaft 14 can rotate in the tank body 10. By connecting multiple spiral blades 15 to the outer wall of the rotating shaft 14, the multiple spiral blades 15 and the rotating shaft 14 rotate synchronously, so that when the water in the tank body 10 flows from bottom to top, the water pushes the spiral blades 15 to rotate, thereby realizing the rotation of the rotating shaft 14 in the tank body 10. By connecting multiple connecting rods 16 to the outer wall of the rotating shaft 14, and making the connecting rods 16 perpendicular to the rotating shaft 14, the rotating shaft 14 and the multiple connecting rods 16 can rotate synchronously; by connecting the brush assembly 17 to the end of the connecting rod 16 away from the rotating shaft 14, and making the brush assembly 17 fit the inner wall of the tank body 10, the multiple connecting rods 16 drive the brush assembly 17 to rotate on the inner wall of the tank body 10, so that the brush assembly 17 drives the sediment accumulated on the first filter hole 11 to sweep off, thereby preventing the sediment from clogging the first filter hole 11.

[0031] When the product is used, the tank body 10 is first placed at the bottom of the foundation pit; when the tank body 10 is placed in the foundation pit, the water in the foundation pit will flow from the outside of the tank body 10 through the first filter hole 11 into the tank body 10; then, the water pump is started to pump out the water in the tank body 10; at this time, the water in the tank body 10 flows upward from bottom to top and is pumped out by the water pump; at the same time, the water will push the spiral blades 15 to rotate, thereby driving the rotating shaft 14 to rotate in the tank body 10; when the rotating shaft 14 rotates in the tank body 10, the rotating shaft 14 will drive the brush assembly 17 to rotate on the inner wall of the tank body 10 through the connecting rod 16.

[0032] By adopting the above structure, by connecting multiple spiral blades 15 to the outer wall of the rotating shaft 14, and connecting multiple connecting rods 16 to the outer wall of the rotating shaft 14, when the water in the tank body 10 flows from bottom to top, the water pushes the spiral blades 15 to rotate, thereby realizing the rotation of the rotating shaft 14 and the connecting rod 16 in the tank body 10; by connecting the brush assembly 17 to the connecting rod 16, and fitting the brush assembly 17 to the inner wall of the tank body 10, it is realized that multiple connecting rods 16 drive the brush assembly 17 to rotate on the inner wall of the tank body 10, so that the brush assembly 17 drives the sediment accumulated on the first filter hole 11 to be swept away, thereby avoiding the sediment from clogging the first filter hole 11, so as to ensure the normal use of the product.

[0033] In the embodiment of the present utility model, Figures 1 to 4 As shown, the foundation pit drainage device also includes: a filter screen 18 ; a plurality of second filter holes 19 are arranged on the filter screen 18 , the filter screen 18 is embedded in the tank body 10 , and the filter screen 18 is fixed on the partition 12 .

[0034] By embedding the filter net 18 into the tank body 10 and fixing the filter net 18 on the partition 12, the filter net 18 can filter the sediment flowing through the water permeable holes 13, thereby preventing the sediment from entering the water pump, avoiding damage to the water pump, and improving the quality of the product.

[0035] In the embodiment of the present utility model, Figures 1 to 4 As shown, the brush assembly 17 includes: a connecting seat 171, a brush body 173 and a spring 174; a mounting groove 172 is provided in the connecting seat 171, and the connecting seat 171 is connected to the end of the connecting rod 16 away from the rotating shaft 14; at least part of the brush body 173 is embedded in the mounting groove 172, and the brush body 173 is in contact with the inner wall of the tank body 10; the spring 174 is embedded in the mounting groove 172, and the spring 174 is connected to the connecting seat 171 and the brush body 173 at the same time.

[0036] By connecting the connecting seat 171 to the end of the connecting rod 16 facing away from the rotating shaft 14, the connecting rod 16 can drive the connecting seat 171 to rotate in the tank body 10; by embedding at least a part of the brush body 173 into the installation groove 172, embedding the spring 174 into the installation groove 172, and connecting the spring 174 to the connecting seat 171 and the brush body 173 at the same time, the connecting seat 171 is connected to the brush body 173 through the spring 174, thereby realizing the connection between the connecting seat 171 and the brush body 173 spring 174.

[0037] By adopting the above structure, the connecting seat 171 is connected to the spring 174 of the brush body 173, and the connecting rod 16 can drive the connecting seat 171 to rotate in the tank body 10, so that the brush body 173 can move in the installation groove 172 of the connecting seat 171, so that when the rotating shaft 14 drives the connecting seat 171 through the connecting rod 16, the brush body 173 will move toward the inner wall of the tank body 10 due to centrifugal force, thereby achieving a close fit between the brush body 173 and the inner wall of the tank body 10, so as to enhance the cleaning effect of the brush body 173 on the first filter hole 11.

[0038] In the embodiment of the present utility model, Figures 1 to 4 As shown, the brush assembly 17 also includes: a guide rod 175 and a limit plate 176; the guide rod 175 passes through the connecting seat 171 and the spring 174 in sequence, and the guide rod 175 is connected to the brush body 173; the limit plate 176 is connected to one end of the guide rod 175 away from the connecting seat 171, and the limit plate 176 is located on the outside of the connecting seat 171.

[0039] The guide rod 175 is passed through the connection seat 171 and the spring 174 in sequence, and the guide rod 175 is connected to the brush body 173, so that the guide rod 175 and the brush body 173 can move synchronously, thereby avoiding the brush body 173 from deflecting when moving in the installation groove 172. In addition, since the guide rod 175 passes through the spring 174, the spring 174 can be prevented from bending when being stretched or compressed. The limiting plate 176 is connected to the end of the guide rod 175 away from the connection seat 171, and the limiting plate 176 is located outside the connection seat 171, so that when the end of the guide rod 175 away from the connection seat moves to the connection seat 171, the limiting plate 176 is engaged with the connection seat 171, thereby limiting the moving distance of the brush assembly 17 and the guide rod 175, so as to avoid the brush body 173 from moving out of the installation groove 172.

[0040] In the embodiment of the present utility model, Figures 1 to 4 As shown, the brush assembly 17 further includes: a clearance hole 177 ; the clearance hole 177 is disposed on the connecting seat 171 , and the clearance hole 177 is disposed around the outer side of the guide rod 175 ; wherein, there is a gap between the clearance hole 177 and the guide rod 175 .

[0041] By setting the clearance hole 177 on the connecting seat 171, the clearance hole 177 is arranged around the outside of the guide rod 175, and there is a gap between the clearance hole 177 and the guide rod 175, so that the guide rod 175 can move in the clearance hole 177, thereby avoiding interference between the guide rod 175 and the connecting seat 171, so as to improve the quality of the product.

[0042] In the embodiment of the present utility model, Figures 1 to 4As shown, the foundation pit drainage device also includes: a lifting ring 20; a lifting hole 21 is arranged in the lifting ring 20, and the two lifting rings 20 are connected to the side wall of the tank body 10.

[0043] By connecting two lifting rings 20 to the side wall of the tank body 10 and setting a lifting hole 21 in the lifting ring 20, a steel wire rope can pass through the lifting hole 21 of the lifting ring 20, thereby lifting the tank body 10 to improve the user experience of the product.

[0044] In the embodiment of the present utility model, Figures 1 to 4 As shown, the foundation pit drainage device also includes: ground anchors 22; two ground anchors 22 are connected to the bottom of the tank body 10, and the ends of the ground anchors 22 facing away from the tank body 10 are pointed.

[0045] By connecting two ground anchors 22 to the bottom of the tank body 10 and making the end of the ground anchor 22 facing away from the tank body 10 pointed, when the tank body 10 is placed in the foundation pit, the two ground anchors 22 are embedded in the ground, thereby improving the stability of the tank body 10 in the foundation pit.

[0046] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foundation pit drainage device, the foundation pit drainage device is connected to a water pump, characterized in that: The foundation pit drainage device comprises: A tank body, wherein the tank body is a hollow cavity, and the top of the tank body is connected to the water pump; first filter holes, a plurality of the first filter holes are arranged on the outer wall of the tank body; A partition, wherein a plurality of water-permeable holes are arranged on the partition, the partition is embedded in the tank body, and the partition is connected to the inner wall of the tank body; A rotating shaft, wherein the rotating shaft is embedded in the tank body, the top end of the rotating shaft is rotatably connected to the partition, and the bottom end of the rotating shaft is rotatably connected to the bottom of the tank body; Spiral blades, a plurality of the spiral blades are connected to the outer wall of the rotating shaft; Connecting rods, a plurality of the connecting rods are embedded in the tank body, a plurality of the connecting rods are connected to the outer wall of the rotating shaft, and the connecting rods are perpendicular to the rotating shaft; A brush assembly, the brush assembly is connected to an end of the connecting rod away from the rotating shaft, and the brush assembly is in contact with the inner wall of the tank body; Wherein, the brush assembly is opposite to the plurality of first filter holes.

2. A foundation pit drainage device according to claim 1, characterized in that: The foundation pit drainage device also includes: A filter screen is provided with a plurality of second filter holes, the filter screen is embedded in the tank body, and the filter screen is fixed on the partition.

3. A foundation pit drainage device according to claim 1, characterized in that: The brush assembly comprises: A connecting seat, wherein a mounting groove is provided in the connecting seat, and the connecting seat is connected to an end of the connecting rod away from the rotating shaft; A brush body, at least a portion of which is embedded in the mounting groove, and the brush body is in contact with the inner wall of the tank body; A spring is embedded in the mounting groove, and the spring is connected to the connecting seat and the brush body at the same time.

4. A foundation pit drainage device according to claim 3, characterized in that: The brush assembly also includes: A guide rod, the guide rod passes through the connecting seat and the spring in sequence, and the guide rod is connected to the brush body; A limit plate is connected to an end of the guide rod away from the connecting seat, and the limit plate is located outside the connecting seat.

5. A foundation pit drainage device according to claim 4, characterized in that: The brush assembly also includes: A clearance hole, wherein the clearance hole is arranged on the connecting seat and is arranged around the outer side of the guide rod; Wherein, there is a gap between the clearance hole and the guide rod.

6. A foundation pit drainage device according to claim 1, characterized in that: The foundation pit drainage device also includes: A lifting ring is provided with a lifting hole, and two lifting rings are connected to the side wall of the tank body.

7. A foundation pit drainage device according to claim 6, characterized in that: The foundation pit drainage device also includes: Ground anchors, two of which are connected to the bottom of the tank body, and one end of the ground anchor facing away from the tank body is pointed.

Citation Information

Patent Citations

  • Foundation pit drainage device

    CN216238606U