Dredger for dredging sewer

Abstract

The utility model discloses a dredger for dredging a sewer, which relates to the technical field of sewer dredging and comprises an external rubber tube, an internal spring rod is movably sleeved on the inner wall of the external rubber tube, one end of the external rubber tube is fixedly connected with a hard sleeve shell, a dredging tooth mounting groove is arranged on the outer wall of the hard sleeve shell, and the dredging tooth mounting groove is fixedly connected with the external rubber tube. One end of the built-in spring rod is fixedly connected with a built-in threaded rod located on the inner wall of the hard sleeve shell. The outer wall of the built-in threaded rod is in threaded connection with a supporting and positioning lantern ring, and the outer wall of the supporting and positioning lantern ring is rotationally connected with a supporting rod. Through the design that the drilling-in threaded head drills in garbage and the outwards-expanded dredging teeth open and take out the garbage, the sewer pipe dredging device can go deep into a blocked area, effectively clean the garbage and achieve the purpose of quickly dredging a sewer pipe, can be repeatedly operated for many times under the conditions that blockage is serious and the garbage cannot be completely cleaned at a time, guarantees thoroughness of dredging work, and improves the dredging efficiency. And the practicability of the tool and the adaptability to different blocking degrees are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewer dredging, in particular to a sewer dredging device. Background Art

[0002] Sewer is a kind of urban public facility. Generally speaking, the sewer system is used to collect and discharge domestic wastewater generated in the city and industrial wastewater generated in industrial production.

[0003] The existing technology has the following shortcomings: when unclogging the sewer, most of the time, the blockage in the pipe is pushed open by a dredging device. However, sometimes the blockage is relatively hard and not only cannot be pushed open, but the sewer is blocked instead, which not only increases the labor intensity but also reduces the efficiency of unclogging the sewer.

[0004] In the prior art, a Chinese patent with the announcement number CN217204589U is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: a sewer dredge, whose technical solution is: including a circular frame, a horizontal plate 1 is provided on the top of the circular frame, a round rod is provided inside the circular frame, the top of the round rod passes through the top of the circular frame and extends to the top of the horizontal plate 1, the round rod is connected to the circular frame by a bearing, the round rod is connected to the horizontal plate 1 by a bearing, and a rotating component is fixed on the top of the round rod. The beneficial effect of the utility model is: the round rod is added, the rotation of the round rod drives the slide to rotate, and the rotation of the slide drives the horizontal plate The second plate rotates, and the second horizontal plate rotates to drive the splint to rotate, and the rotation of the splint drives the drill bit to rotate. The drill bit can drill a hole in some soft objects and move the block to the bottom of the blockage. Through the cooperation of the telescopic rod two and the spring two, the blockage is pulled out of the sewer pipe, which improves the efficiency of dredging. The splint can clamp some objects that cannot be drilled through and pull them out of the pipe, avoiding the blockage net from blocking the sewer pipe. However, the structure of the existing technology is relatively complicated, resulting in high manufacturing costs, and it is inconvenient to move smoothly in the complex curved environment of the sewer pipe, and is easily restricted by the shape of the pipe. Utility Model Content

[0005] The purpose of the present utility model is to provide a sewer dredge to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A sewer dredge comprises an external rubber tube, an internal spring rod movably sleeved on the inner wall of the external rubber tube, one end of the external rubber tube fixedly connected to a hard casing, an outer wall of the hard casing having a dredge tooth mounting groove, and one end of the internal spring rod fixedly connected to an internal threaded rod located on the inner wall of the hard casing;

[0008] The outer wall of the built-in threaded rod is threadedly connected to a supporting positioning ring, the outer wall of the supporting positioning ring is rotatably connected to a support rod, the end of the support rod away from the supporting positioning ring is rotatably connected to an outward-stretching dredging tooth, and one end of the outward-stretching dredging tooth is rotatably connected to the outer wall of one end of the built-in threaded rod.

[0009] A further improvement of the technical solution of the present utility model is that: a dredging tooth installation groove for installing the outward-extending dredging tooth is opened on the outer wall of the hard shell, and the inner wall of the dredging tooth installation groove is movably connected to the outer wall of the outward-extending dredging tooth.

[0010] A further improvement of the technical solution of the present utility model is that: the outer wall of one end of the built-in spring rod away from the built-in threaded rod is fixedly connected to a threaded ring, the outer wall of the threaded ring is threadedly connected to a positioning sleeve, and one end of the external rubber tube is fixedly connected to one end of the positioning sleeve.

[0011] A further improvement of the technical solution of the present utility model is that: one end of the built-in spring rod away from the built-in threaded rod is fixedly connected to an adjustment handle.

[0012] A further improvement of the technical solution of the present invention is that: the built-in spring rod rotates through one end of the hard shell and is fixedly connected with a drill thread head.

[0013] A further improvement of the technical solution of the present utility model is that: the number of the outward-extending dredging teeth is eight groups, and the eight groups of the outward-extending dredging teeth are distributed on the outer wall of the built-in threaded rod in a circular array.

[0014] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0015] 1. The utility model provides a sewer dredge, which is designed to drill into the garbage through the threaded head and expand the dredge teeth to open and bring out the garbage. It can penetrate into the blocked area, effectively clean the garbage, and achieve the purpose of quickly unclogging the sewer pipe. At the same time, the device has a simple structure and low cost, which is conducive to promotion.

[0016] 2. The utility model provides a sewer dredge. For situations where the blockage is serious and the garbage cannot be completely cleared in one go, the operation can be repeated multiple times, thereby ensuring the thoroughness of the dredging work and improving the practicality of the tool and its adaptability to different degrees of blockage.

[0017] 3. The utility model provides a sewer dredge with an external rubber tube and an internal spring rod made of a bendable material, so that the tool can move smoothly in the complex curved environment of the sewer pipe and effectively reach the blocked position without being restricted by the shape of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the built-in spring rod of the utility model;

[0020] Figure 3 This is an enlarged schematic diagram of the structure at point A of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the external rubber tube of the utility model.

[0022] In the figure: 1. External rubber tube; 2. Hard shell; 3. Drilled threaded head; 4. External dredging teeth; 5. Positioning sleeve; 6. Internal spring rod; 7. Threaded collar; 8. Internal threaded rod; 9. Adjustment handle; 10. Support rod; 11. Support and positioning collar; 12. Dredging tooth mounting groove. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0024] The present invention is further described in detail below with reference to the embodiments:

[0025] Example 1

[0026] like Figure 1-4 As shown, the utility model provides a sewer dredge, comprising an external rubber tube 1, an internal spring rod 6 movably sleeved on the inner wall of the external rubber tube 1, one end of the external rubber tube 1 fixedly connected to a hard casing 2, an outer wall of the hard casing 2 is provided with a dredging tooth mounting groove 12, and one end of the internal spring rod 6 fixedly connected to an internal threaded rod 8 located on the inner wall of the hard casing 2;

[0027] The outer wall of the built-in threaded rod 8 is threadedly connected to a supporting positioning ring 11, and the outer wall of the supporting positioning ring 11 is rotatably connected to a support rod 10. The end of the support rod 10 away from the supporting positioning ring 11 is rotatably connected to an external dredging tooth 4, and one end of the external dredging tooth 4 is rotatably connected to the outer wall of one end of the built-in threaded rod 8.

[0028] The outer wall of the hard shell 2 is provided with a dredging tooth installation groove 12 for installing the outward-extending dredging tooth 4 , and the inner wall of the dredging tooth installation groove 12 is movably connected to the outer wall of the outward-extending dredging tooth 4 .

[0029] The outer wall of one end of the built-in spring rod 6 away from the built-in threaded rod 8 is fixedly connected with a threaded collar 7, the outer wall of the threaded collar 7 is threadedly connected with a positioning sleeve 5, and one end of the external rubber tube 1 is fixedly connected to one end of the positioning sleeve 5.

[0030] Example 2

[0031] like Figure 1-4 As shown, based on Example 1, the present invention provides a technical solution: preferably, one end of the built-in spring rod 6 away from the built-in threaded rod 8 is fixedly connected to the adjustment handle 9.

[0032] The built-in spring rod 6 rotates through one end of the hard shell 2 and is fixedly connected to a drill thread head 3.

[0033] There are eight groups of outward-extending dredging teeth 4 , which are distributed on the outer wall of the built-in threaded rod 8 in a circular array.

[0034] The following is a detailed description of the working principle of the sewer dredge.

[0035] like Figure 1-4 As shown, during the process of clearing the sewer pipe, the drill thread head 3 is inserted into the pipe inlet. Since the external rubber tube 1 and the internal spring rod 6 are both made of flexible materials, the drill thread head 3 can move forward along the pipe.

[0036] When the chute 3 is in the blocked position, the adjusting knob 9 can be turned forward. At this time, the adjusting knob 9 will drive the chute 3 to rotate through the built-in spring rod 6, so that it can drill into the blocked garbage. When the chute 3 is moved forward into the garbage, the adjusting knob 9 is reversed. The adjusting knob 9 drives the built-in threaded rod 8 to rotate in the opposite direction. During the rotation of the built-in threaded rod 8, the supporting positioning collar 11 will be driven to move toward the position of the chute 3 under the action of the thread. At this time, the supporting positioning collar 11 will drive the supporting rod 10 forward, and the supporting rod 10 will start to support the external dredging teeth 4 and expand them outward. When the built-in threaded rod 8 moves to abut against the inner wall of one end of the hard shell 2, it stops rotating, and then pulls the adjusting knob 9 to pull the device out of the sewer pipe. As the device is pulled out, the external dredging teeth 4 will pull out the blocked garbage together, thereby quickly and effectively dredging.

[0037] When a single unclogging operation cannot remove all the garbage from the pipe, the operation can be repeated multiple times.

[0038] When the built-in threaded rod 8 rotates, the threaded collar 7 rotates on the inner wall of the positioning sleeve 5 .

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or device comprising a set of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. Without further limitation, an element defined by the phrase "comprising a..." does not preclude the presence of other identical elements in the process, method, article, or device comprising the element. While the present invention has been generally described above, modifications or improvements based on this invention are readily apparent to those skilled in the art. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of this invention.

Claims

1. A sewer dredge, comprising an external rubber tube (1), characterized in that: The inner wall of the external rubber tube (1) is movably sleeved with an internal spring rod (6), one end of the external rubber tube (1) is fixedly connected to a hard casing (2), the outer wall of the hard casing (2) is provided with a dredging tooth installation groove (12), and one end of the internal spring rod (6) is fixedly connected to an internal threaded rod (8) located on the inner wall of the hard casing (2); The outer wall of the built-in threaded rod (8) is threadedly connected to a support positioning collar (11), the outer wall of the support positioning collar (11) is rotatably connected to a support rod (10), one end of the support rod (10) away from the support positioning collar (11) is rotatably connected to an outward-stretching dredging tooth (4), and one end of the outward-stretching dredging tooth (4) is rotatably connected to the outer wall of one end of the built-in threaded rod (8).

2. A sewer dredge according to claim 1, characterized in that: The outer wall of the hard shell (2) is provided with a dredging tooth installation groove (12) for installing the outward-extending dredging tooth (4), and the inner wall of the dredging tooth installation groove (12) is movably connected to the outer wall of the outward-extending dredging tooth (4).

3. The sewer dredge according to claim 1, characterized in that: The outer wall of one end of the built-in spring rod (6) away from the built-in threaded rod (8) is fixedly connected to a threaded collar (7), the outer wall of the threaded collar (7) is threadedly connected to a positioning sleeve (5), and one end of the external rubber tube (1) is fixedly connected to one end of the positioning sleeve (5).

4. The sewer dredge according to claim 1, characterized in that: One end of the built-in spring rod (6) away from the built-in threaded rod (8) is fixedly connected to an adjustment handle (9).

5. The sewer dredge according to claim 1, characterized in that: The built-in spring rod (6) rotates and penetrates through one end of the hard casing (2) and is fixedly connected to a drill thread head (3).

6. The sewer dredge according to claim 1, characterized in that: The number of the outward-stretching dredging teeth (4) is eight groups, and the eight groups of the outward-stretching dredging teeth (4) are distributed on the outer wall of the built-in threaded rod (8) in a circular array.

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