A backflow prevention inspection well structure with dredging without water stop

By designing a backflow prevention inspection well structure for continuous water dredging, and utilizing the rotation of the upper and lower cleaning components, combined with the drive and drainage components, automated dredging is achieved, solving the problem of difficult manual cleaning in existing inspection wells and improving dredging efficiency and water utilization.

CN115977158BActive Publication Date: 2026-01-02JIANGYIN ZHONGCAI MOLDING
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Patent Information

Application Number
CN202211718585.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-29
Publication Date
2026-01-02
Estimated Expiration
2042-12-29

AI Technical Summary

Technical Problem

The existing inspection wells require manual operation by staff during the dredging process, which increases the workload, especially when the impurities are far from the collection chamber. In addition, there are blind spots that are difficult to clean, affecting functionality.

Method used

A backflow prevention inspection well structure for continuous sludge removal is designed. By rotating the upper and lower cleaning components, combined with the drive and drainage components, the sludge is automatically cleaned and impurities are dispersed, lifted, and flushed, thus preventing backflow.

Benefits of technology

It enables dredging without interrupting water supply, reduces manual operation, avoids backflow of impurities, improves water utilization, and enhances the functionality and work efficiency of inspection wells.

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Abstract

The application is suitable for the technical field of inspection wells, and provides a backflow prevention inspection well structure for dredging without stopping water, which comprises a well body, a main body assembly is installed in the inside of the well body, an upper cleaning assembly is rotationally connected to the top of the main body assembly, a driving assembly and a drainage assembly are installed on the outside wall of the upper cleaning assembly, the drainage assembly is located below the driving assembly, a lower cleaning assembly is rotationally connected to the bottom of the main body assembly, the main body assembly comprises a fixed pipe, the fixed pipe is located in the inside of the well body, and a gap exists between the outside wall of the fixed pipe and the inner wall of the well body. The device solves the problem that the staff needs to manually lift and increases the workload of the staff, and there is a dead angle in the inspection well. If the impurities are far away from the collection bin position, the staff needs to manually clean in the inspection well, which greatly reduces the functionality of the inspection well, achieves the purpose of dredging without stopping water, and avoids the backflow of impurities.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of inspection wells, more particularly to a backflow prevention inspection well structure for dredging without stopping water. BACKGROUND

[0002] An inspection well is set for the convenience of maintenance and installation of urban underground infrastructure such as power supply, water supply, drainage, sewage, communication, cable television, gas pipe, street lamp line, etc. It is generally set at the intersection of pipes, at the turning point, at the point where the pipe diameter or slope changes, and at every certain distance on a straight pipe section, so as to facilitate periodic inspection of the auxiliary structure. In order to avoid the influence of the accumulation of impurities in the inspection well on the maintenance of the staff, a collection bin is arranged in the existing inspection well, and the impurities in the collection bin are lifted out by a lifting mechanism. However, in this way, the staff needs to manually lift during dredging, and there are dead angles in the inspection well. If the impurities are far away from the collection bin, the staff needs to manually clean in the inspection well, which greatly reduces the functionality of the inspection well and increases the workload of the staff. SUMMARY

[0003] In view of the deficiencies of the prior art, the purpose of the present application is to provide a backflow prevention inspection well structure for dredging without stopping water.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a backflow prevention inspection well structure for dredging without stopping water, comprising a well body, a main body assembly is installed inside the well body, an upper cleaning assembly is rotatably connected to the top of the main body assembly, a driving assembly and a drainage assembly are installed on the outer side wall of the upper cleaning assembly, the drainage assembly is located below the driving assembly, and a lower cleaning assembly is rotatably connected to the bottom of the main body assembly.

[0005] The present application is further provided as follows: the main body assembly comprises a fixed pipe, the fixed pipe is located inside the well body, a gap exists between the outer side wall of the fixed pipe and the inner wall of the well body, a helical blade is installed on the outer side wall of the fixed pipe, the width of the gap is consistent with the width of the helical blade, two connecting pipes are communicated with the outer side wall of the fixed pipe, and the ends of the two connecting pipes away from the fixed pipe penetrate the inner side wall of the well body.

[0006] The present application is further provided as follows: the upper cleaning assembly comprises an upper cleaning pipe, the upper cleaning pipe is sleeved on the top end of the fixed pipe, and the upper cleaning pipe is rotatably connected with the fixed pipe, an upper auger is installed on the outer side wall of the upper cleaning pipe, and the width of the gap is consistent with the width of the upper auger.

[0007] The application is further provided with: the lower cleaning assembly comprises a lower cleaning cylinder, the lower cleaning cylinder is sleeved at the bottom end of the fixed pipe, and the lower cleaning cylinder is rotationally connected with the fixed pipe; the inner bottom wall of the lower cleaning cylinder is provided with a filter screen; and the outer lateral wall of the lower cleaning cylinder is provided with a lower auger.

[0008] The application is further provided with: a conical block is arranged at the middle of the bottom end of the lower cleaning cylinder; the bottom end of the conical block is provided with a bottom plate; the top of the bottom plate is uniformly provided with a plurality of push pieces; and the plurality of push pieces are arc-shaped and have consistent bending directions.

[0009] The application is further provided with: the drainage assembly comprises a water box, the water box is arranged on the outer lateral wall of the upper cleaning pipe, the top of the water box is uniformly communicated with a drainage pipe, the drainage pipe extends to the inside of the upper cleaning pipe at the end away from the water box, the bottom of the water box is provided with an inclined part, and the bottom of the water box and the position of the inclined part are uniformly provided with water holes.

[0010] The application is further provided with: the outer lateral wall of the fixed pipe is provided with a guide assembly, the guide assembly is arranged in two groups and arranged at the top end and the bottom end of the outer lateral wall of the fixed pipe, the guide assembly comprises a ring body, the ring body is arranged at the top end and the bottom end of the outer lateral wall of the fixed pipe, the inner lateral wall of the upper cleaning pipe and the inner lateral wall of the lower cleaning cylinder are provided with annular grooves, and the ring body is inserted into the inside of the annular grooves.

[0011] The application is further provided with: the top of the upper cleaning pipe is provided with a cover body, the bottom of the cover body is provided with a plug rod, the inner bottom wall of the lower cleaning cylinder is provided with a plug groove, and the cover body is matched with the plug rod.

[0012] The application is further provided with: the driving assembly comprises a fixed plate, the fixed plate is arranged on the outer lateral wall of the well body, the bottom of the fixed plate is provided with a rotating rod, the top end of the rotating rod penetrates the rotating rod and is fixedly connected with a gear, the outer lateral wall of the upper cleaning pipe is provided with a rack, and the gear is engaged with the rack.

[0013] The application has the advantages that,

[0014] (1) by arranging the upper cleaning assembly and the lower cleaning assembly, the driving assembly drives the upper cleaning assembly and the lower cleaning assembly to rotate, so that the upper cleaning assembly and the lower cleaning assembly clean the sludge in the well body and the main body assembly and lift the sludge to the outside, thereby achieving the purpose of cleaning the sludge without stopping water, and when the upper cleaning assembly and the lower cleaning assembly rotate, the backflow of impurities is avoided;

[0015] (2) The lower cleaning cylinder drives the lower auger, the conical block, the bottom plate and the paddle to rotate, and the paddle continuously slides at the bottom of the filter screen, thereby cleaning the impurities blocked in the filter screen. The impurities fall to the top of the bottom plate through the filter screen, and the impurities are pushed to the edge of the bottom plate through the rotating paddle, so that the impurities are dispersed, and the impurities continue to rise, avoiding the blockage caused by large impurities;

[0016] (3) The impurities are lifted to the inclined portion at the bottom of the water box, so that the impurities are extruded at the inclined portion, the impurities move along the inclined direction of the inclined portion, the water body enters the inside of the water box through the water hole, and the water body is discharged to the inside of the upper cleaning pipe, the fixed pipe and the lower cleaning cylinder through the drain pipe, so as to flush the impurities, and the dehydrated impurities are discharged, thereby greatly improving the utilization rate of the water body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the application;

[0018] Figure 2 It is a schematic diagram of the local front view structure of the application;

[0019] Figure 3 It is a schematic diagram of the connection structure of the upper cleaning assembly, the main body assembly and the lower cleaning assembly of the application;

[0020] Figure 4 It is Figure 2 It is a sectional view according to the A-A direction;

[0021] Figure 5 It is Figure 2 It is a sectional view according to the B-B direction;

[0022] Figure 6 It is Figure 4 It is a schematic diagram of the enlarged structure of area A in the figure;

[0023] Figure 7 It is Figure 4 It is a schematic diagram of the enlarged structure of area B in the figure;

[0024] In the figure: 1, well body; 2, driving assembly; 21, fixed plate; 22, rotating rod; 23, gear; 24, rack; 3, main body assembly; 31, fixed pipe; 32, connecting pipe; 33, spiral blade; 34, cover body; 35, insertion rod; 36, insertion slot; 4, upper cleaning assembly; 41, upper cleaning pipe; 42, upper auger; 5, lower cleaning assembly; 51, bottom plate; 52, paddle; 53, lower auger; 54, conical block; 55, lower cleaning cylinder; 56, filter screen; 6, drainage assembly; 61, water box; 62, drain pipe; 63, inclined portion; 64, water hole; 7, guide assembly; 71, annular groove; 72, ring body. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0027] In the present application, unless otherwise specified, the orientation such as "up, down" is generally directed to the direction shown in the drawings, or is directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0028] Please refer to Figures 1-7 The present application provides the following technical solutions:

[0029] Embodiments

[0030] A backflow prevention inspection well structure for dredging without stopping water, comprising a well body 1, a main body assembly 3 is installed inside the well body 1, the main body assembly 3 is used for protecting the connection of water pipes and electric wires, an upper cleaning assembly 4 is rotatably connected to the top of the main body assembly 3, a driving assembly 2 and a drainage assembly 6 are installed on the outer side wall of the upper cleaning assembly 4, the drainage assembly 6 is located below the driving assembly 2, a lower cleaning assembly 5 is rotatably connected to the bottom of the main body assembly 3, the driving assembly 2 is used to drive the upper cleaning assembly 4, the lower cleaning assembly 5 and the drainage assembly 6 to rotate, so that the upper cleaning assembly 4 and the lower cleaning assembly 5 clean the silt in the well body 1 and the main body assembly 3, and the drainage assembly 6 is used to flush the impurities in the main body assembly 3 to avoid accumulation of impurities.

[0031] The main body assembly 3 comprises a fixed pipe 31 located inside the well body 1, a gap exists between the outer side wall of the fixed pipe 31 and the inner wall of the well body 1, a helical blade 33 is installed on the outer side wall of the fixed pipe 31, the width of the gap is consistent with the width of the helical blade 33, two connecting pipes 32 are communicated with the outer side wall of the fixed pipe 31, and the ends of the two connecting pipes 32 away from the fixed pipe 31 penetrate the inner side wall of the well body 1, so that the water pipes or electric wires are connected to the inside of the fixed pipe 31 through the two connecting pipes 32, facilitating the inspection and maintenance of the interface by the staff;

[0032] The upper cleaning assembly 4 comprises an upper cleaning pipe 41, the upper cleaning pipe 41 is sleeved on the top end of the fixed pipe 31, and the upper cleaning pipe 41 is rotatably connected with the fixed pipe 31, the upper cleaning pipe 41 is used to extend the fixed pipe 31, an upper auger 42 is installed on the outer side wall of the upper cleaning pipe 41, and the width of the gap is consistent with the width of the upper auger 42;

[0033] The driving assembly 2 comprises a fixed plate 21 installed on the outer side wall of the well body 1, the bottom of the fixed plate 21 is provided with a rotating rod 22, the top end of the rotating rod 22 penetrates the rotating rod 22 and is fixedly connected with a gear 23, the outer side wall of the upper cleaning pipe 41 is installed with a rack 24, the gear 23 is engaged with the rack 24, the gear 23 is driven to rotate by rotating the rotating rod 22, and since the gear 23 is connected with the rack 24, when the gear 23 rotates, the rack 24 drives the upper cleaning pipe 41 to rotate, so that the upper cleaning pipe 41 drives the upper auger 42 to rotate;

[0034] The lower cleaning assembly 5 comprises a lower cleaning cylinder 55, the lower cleaning cylinder 55 is sleeved on the bottom end of the fixed pipe 31, and the lower cleaning cylinder 55 is rotatably connected with the fixed pipe 31, the inner bottom wall of the lower cleaning cylinder 55 is installed with a filter screen 56, the outer side wall of the lower cleaning cylinder 55 is installed with a lower auger 53, the upper part of the upper cleaning pipe 41 is provided with a cover body 34, the bottom of the cover body 34 is installed with a plug rod 35, the inner bottom wall of the lower cleaning cylinder 55 is installed with a plug groove 36, the cover body 34 is matched with the plug rod 35, the bottom end of the lower cleaning cylinder 55 is installed with a conical block 54, the bottom end of the conical block 54 is installed with a bottom plate 51, the top of the bottom plate 51 is uniformly installed with a plurality of push pieces 52, the plurality of push pieces 52 are arc-shaped and have consistent bending directions; the upper cleaning assembly 4 and the lower cleaning assembly 5 are connected through the cooperation of the plug rod 35 and the plug groove 36, when impurities are accumulated in the fixed pipe 31 and the lower cleaning cylinder 55, the upper cleaning pipe 41 drives the plug rod 35 and the lower cleaning cylinder 55 to rotate synchronously, the lower cleaning cylinder 55 drives the lower auger 53, the conical block 54, the bottom plate 51 and the push pieces 52 to rotate, the push pieces 52 continuously slide on the bottom of the filter screen 56, so as to clean the impurities blocked in the filter screen 56, the impurities fall to the top of the bottom plate 51 through the filter screen 56, and the impurities are pushed to the edge of the bottom plate 51 through the rotating push pieces 52, the lower auger 53 lifts the impurities to the position of the spiral blade 33, and as the impurities continuously increase, the impurities are squeezed upwards along the spiral blade 33 to the position of the upper auger 42, and the impurities are continuously lifted through the continuous rotation of the upper auger 42;

[0035] The water drainage assembly 6 comprises a water box 61 installed on the outer side wall of the upper cleaning pipe 41, the top of the water box 61 is uniformly communicated with a drainage pipe 62, the end of the drainage pipe 62 away from the water box 61 extends to the inside of the upper cleaning pipe 41, the bottom of the water box 61 is provided with an inclined part 63, a plurality of water holes 64 are uniformly arranged on the bottom of the water box 61 and located at the position of the inclined part 63, the impurities are lifted to the position of the inclined part 63 on the bottom of the water box 61, so that the impurities are squeezed in the position of the inclined part 63, the impurities move along the inclined direction of the inclined part 63, the water body enters the inside of the water box 61 through the water holes 64, and the water body is drained to the inside of the upper cleaning pipe 41, the fixed pipe 31 and the lower cleaning cylinder 55 through the drainage pipe 62, so as to flush the impurities, and the impurities after dehydration are discharged;

[0036] The water box 61 is communicated with an external water supply device, when the water in the water box 61 is not enough, the external water supply device will supply water to the water box 61 to supplement the water for cleaning;

[0037] The outer side wall of the fixed pipe 31 is provided with a guide assembly 7, the guide assembly 7 is two groups, and is respectively arranged at the top end and the bottom end of the outer side wall of the fixed pipe 31. The two groups of guide assemblies 7 both include a ring body 72, and the two ring bodies 72 are respectively arranged at the top end and the bottom end of the outer side wall of the fixed pipe 31. The inner side wall of the upper cleaning pipe 41 and the inner side wall of the lower cleaning cylinder 55 are both provided with an annular groove 71, and the ring body 72 is inserted into the inner side wall of the annular groove 71. When the upper cleaning pipe 41 rotates, the annular groove 71 is driven to rotate, so that the annular groove 71 slides on the outer side wall of the ring body 72. The upper cleaning pipe 41 is limited by the cooperation between the annular groove 71 and the ring body 72, so that the upper cleaning pipe 41 can rotate axially while being connected with the fixed pipe 31. The guide assembly 7 at the connection position of the lower cleaning cylinder 55 and the fixed pipe 31 is arranged in the same way.

[0038] Specifically, the water pipe or the electric wire extends into the fixed pipe 31 through the two connecting pipes 32, the cover body 34 is covered on the top of the upper cleaning pipe 41, and the plug rod 35 is inserted into the plug slot 36. When it is necessary to check and maintain, the cover body 34 can be removed by the worker;

[0039] After the check is completed, the cover body 34 is connected through the above steps. When impurities are accumulated in the fixed pipe 31 and the lower cleaning cylinder 55, the rotating rod 22 is rotated to drive the gear 23 to rotate. Since the gear 23 is connected with the rack 24, when the gear 23 rotates, the rack 24 drives the upper cleaning pipe 41 to rotate, so that the upper cleaning pipe 41 drives the upper auger 42 to rotate, and at the same time, the upper cleaning pipe 41 drives the plug rod 35 and the lower cleaning cylinder 55 to rotate synchronously. The lower cleaning cylinder 55 drives the lower auger 53, the conical block 54, the bottom plate 51 and the push piece 52 to rotate. The push piece 52 continuously slides at the bottom of the filter screen 56, so that the impurities blocked in the filter screen 56 are cleaned. The impurities fall to the top of the bottom plate 51 through the filter screen 56, and are pushed to the edge position of the bottom plate 51 through the rotating push piece 52. The lower auger 53 lifts the impurities to the position of the helical blade 33, and along with the continuous increase of the impurities, the impurities are extruded upward along the helical blade 33 to the position of the upper auger 42. Through the continuous rotation of the upper auger 42, the impurities are continuously lifted.

[0040] The impurities are lifted to the inclined portion 63 at the bottom of the water box 61, so that the impurities are extruded at the position of the inclined portion 63. The impurities move along the inclined direction of the inclined portion 63. The water enters the inside of the water box 61 through the water hole 64 to collect. The water is discharged to the inside of the upper cleaning pipe 41, the fixed pipe 31 and the lower cleaning cylinder 55 through the drain pipe 62, so that the impurities are washed. The dehydrated impurities are discharged, and the utilization rate of the water is greatly improved.

[0041] The water box 61 is in communication with an external water supply device, and when the water in the water box 61 is insufficient, the external water supply device will discharge water into the water box 61 to supplement the water for cleaning.

[0042] Obviously, the above-described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the protection scope of the present application.

[0043] It should be noted that the terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0044] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a specific sequential or chronological order. It is to be understood that the use of these terms herein is merely for distinguishing between the similar objects and the use of these terms in the context of the present application is not a representation that the objects so distinguished are in a given sequential or chronological order.

[0045] The preferred embodiments of the present application have been described above with the specific embodiments. The present application is not limited to the above embodiments. It will be appreciated by those of ordinary skill in the art that any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

[0046] The preferred embodiments of the present application have been described above with the specific embodiments. The present application is not limited to the above embodiments. It will be appreciated by those of ordinary skill in the art that any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A backflow prevention inspection well structure for continuous water dredging, comprising a well body (1), characterized in that: The well body (1) is equipped with a main body assembly (3), the top of the main body assembly (3) is rotatably connected to an upper cleaning assembly (4), the outer side wall of the upper cleaning assembly (4) is equipped with a drive assembly (2) and a drainage assembly (6), the drainage assembly (6) is located below the drive assembly (2), and the bottom of the main body assembly (3) is rotatably connected to a lower cleaning assembly (5). The main component (3) includes a fixed pipe (31), which is located inside the well body (1). There is a gap between the outer wall of the fixed pipe (31) and the inner wall of the well body (1). A spiral blade (33) is installed on the outer wall of the fixed pipe (31). The width of the gap is the same as the width of the spiral blade (33). The outer wall of the fixed pipe (31) is connected to two connecting pipes (32). The ends of the two connecting pipes (32) away from the fixed pipe (31) penetrate the inner wall of the well body (1). The upper cleaning assembly (4) includes an upper cleaning tube (41), which is sleeved on the top end of the fixed tube (31) and is rotatably connected to the fixed tube (31). An upper auger (42) is installed on the outer side wall of the upper cleaning tube (41), and the width of the gap is the same as the width of the upper auger (42). The lower cleaning assembly (5) includes a lower cleaning cylinder (55), which is sleeved on the bottom end of the fixed pipe (31) and is rotatably connected to the fixed pipe (31). A filter screen (56) is installed on the inner bottom wall of the lower cleaning cylinder (55), and a lower auger (53) is installed on the outer side wall of the lower cleaning cylinder (55). A conical block (54) is installed at the middle of the bottom end of the lower cleaning cylinder (55). A base plate (51) is installed at the bottom end of the conical block (54). Several paddles (52) are evenly installed on the top of the base plate (51). All the paddles (52) are arc-shaped and have the same bending direction.

2. The backflow prevention inspection well structure for non-stop water dredging according to claim 1, characterized in that: The drainage assembly (6) includes a water box (61), which is installed on the outer wall of the upper cleaning pipe (41). A drain pipe (62) is uniformly connected to the top of the water box (61). The end of the drain pipe (62) away from the water box (61) extends into the interior of the upper cleaning pipe (41). An inclined part (63) is provided at the bottom of the water box (61). Water holes (64) are uniformly opened at the bottom of the water box (61) and at the position of the inclined part (63).

3. The backflow prevention inspection well structure for non-stop water dredging according to claim 2, characterized in that: The outer wall of the fixed tube (31) is equipped with a guide assembly (7). There are two sets of guide assemblies (7), which are respectively installed at the top and bottom of the outer wall of the fixed tube (31). Both sets of guide assemblies (7) include a ring body (72). The two ring bodies (72) are respectively installed at the top and bottom of the outer wall of the fixed tube (31). The inner wall of the upper cleaning tube (41) and the inner wall of the lower cleaning cylinder (55) are provided with annular grooves (71). The ring body (72) is inserted into the inside of the annular groove (71).

4. The anti-backflow inspection well structure for non-stop water dredging according to claim 3, characterized in that: A cover (34) is provided above the upper cleaning tube (41), and a plug (35) is installed at the bottom of the cover (34). A slot (36) is installed on the inner bottom wall of the lower cleaning cylinder (55), and the cover (34) is adapted to the plug (35).

5. The anti-backflow inspection well structure for non-stop water dredging according to claim 4, characterized in that: The drive assembly (2) includes a fixing plate (21), which is installed on the outer side wall of the well body (1). A rotating rod (22) is provided at the bottom of the fixing plate (21). A gear (23) is fixedly connected to the top of the rotating rod (22). A rack (24) is installed on the outer side wall of the upper cleaning pipe (41). The gear (23) meshes with the rack (24).

Citation Information

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