A telescopic mechanism and a soil cleaning device

Abstract

This utility model relates to the field of drainage hole cleaning technology, and in particular discloses a telescopic mechanism and a soil cleaning device, including a main rod and a spiral telescopic component. The spiral telescopic component is sleeved on the main rod and includes a threaded sleeve and a fixed sleeve. The threaded sleeve is sleeved on the main rod, and the fixed sleeve is sleeved on the threaded sleeve. Length adjustment is achieved through the cooperation between the main rod and the spiral telescopic component. High-precision and stable telescopic control is achieved using the threaded transmission principle, which is convenient to operate and has a rapid response. The fixed sleeve and the main rod are connected by a limiting block and a limiting hole to form an axially limited and circumferentially rotatable connection, effectively ensuring stability and guidance during the telescopic process. At the same time, by setting up a skeleton structure composed of a contour bracket and a support bracket to drive the flexible membrane to unfold and retract, effective shielding and collection of soil is achieved during the cleaning process, significantly improving the cleaning efficiency and cleanliness, and avoiding environmental pollution caused by soil scattering.

Description

Technical Field

[0001] This utility model relates to the field of drainage hole cleaning technology, and in particular to a telescopic mechanism and a soil cleaning device. Background Technology

[0002] In building construction, municipal infrastructure, and underground engineering, drainage holes are crucial for ensuring structural safety and functional integrity. However, during actual use, due to prolonged exposure to damp environments or construction residues, drainage holes easily accumulate dirt, sand, and other debris, leading to poor drainage or even complete blockage, thus affecting overall drainage performance. Therefore, regular cleaning of drainage holes is a key aspect of maintenance.

[0003] Currently used hole cleaning tools are mostly simple rod-shaped or hook-shaped instruments, relying mainly on manual insertion and repeated pulling to remove internal deposits. These tools generally suffer from low operating efficiency, limited cleaning depth, and difficulty in adapting to different hole diameters and lengths. Furthermore, they lack effective dust and mud prevention structures during the cleaning process, easily causing pollution at the construction site and increasing subsequent cleaning workload. In addition, existing tools typically lack telescopic adjustment functions or have limited adjustment ranges, restricting their applicability and flexibility. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to provide a hole cleaning device that is structurally reasonable, easy to operate, and has a good cleaning effect, in order to solve the problem that existing tools usually do not have telescopic adjustment function or have limited adjustment range.

[0005] The above-mentioned technical problems are solved by the following technical solution: This utility model proposes a telescopic mechanism and a soil cleaning device, which includes a main rod and a spiral telescopic component. The spiral telescopic component is sleeved on the main rod. The spiral telescopic component includes a threaded sleeve and a fixed sleeve. The threaded sleeve is sleeved on the main rod, and the fixed sleeve is sleeved on the threaded sleeve.

[0006] In a preferred embodiment of the telescopic mechanism of this utility model: a handle is fixedly connected to one end of the main rod, and a limit hole is formed on the main rod.

[0007] In a preferred embodiment of the telescopic mechanism of this utility model: the length of the threaded sleeve is less than that of the fixed sleeve, and the outer wall of the threaded sleeve is provided with external threads.

[0008] In a preferred embodiment of the telescopic mechanism of this utility model: the fixed sleeve includes an upper sleeve, one end of which is rotatably connected to a nut, and one end of which is rotatably connected to a lower sleeve.

[0009] In a preferred embodiment of the telescopic mechanism of this utility model: T-shaped protrusions are fixedly connected to both ends of the nut, and T-shaped grooves are opened at the ends of the upper sleeve and the lower sleeve, with the T-shaped protrusions and the T-shaped grooves cooperating with each other.

[0010] In a preferred embodiment of the telescopic mechanism of this utility model: the inner wall of the nut is provided with an internal thread, and the nut and the threaded sleeve are screwed together.

[0011] In a preferred embodiment of the telescopic mechanism of this utility model: a limiting block is fixedly connected to the inner wall of the lower sleeve, and the limiting block cooperates with the limiting hole.

[0012] The above-mentioned technical problems are also solved by the following technical solution: a soft membrane, which is installed on the main rod and the spiral telescopic component by means of a skeleton.

[0013] In a preferred embodiment of the soil cleaning device of this utility model: the frame includes a contour bracket and a support bracket, the contour bracket is installed on the soft membrane, the center of the soft membrane is fixedly connected to the main rod, and one end of the contour bracket is hinged to the main rod.

[0014] In a preferred embodiment of the soil cleaning device of this utility model: one end of the support bracket is hinged to the contour bracket, and the other end of the support bracket is hinged to the end of the threaded sleeve.

[0015] The beneficial effects of this invention are as follows: The device achieves length adjustment through the cooperation of the main rod and the spiral telescopic component, and utilizes the threaded transmission principle to achieve high-precision and stable telescopic control, making it convenient to operate and responsive. The fixed sleeve and the main rod are connected by a limiting block and a limiting hole, forming an axially limited and circumferentially rotatable connection, effectively ensuring stability and guidance during telescopic movement. Simultaneously, the frame structure composed of a contour bracket and a support bracket drives the flexible membrane to unfold and retract, effectively shielding and collecting soil during hole cleaning, significantly improving cleaning efficiency and cleanliness, and avoiding environmental pollution caused by soil spillage. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model and are not intended to limit the scope of this utility model. Wherein:

[0017] Figure 1 The diagram shows the overall structure of the telescopic mechanism and the soil cleaning device. Figure 1 ;

[0018] Figure 2The diagram shows the overall structure of the telescopic mechanism and the soil cleaning device. Figure 2 ;

[0019] Figure 3 An exploded view of the telescopic mechanism and the soil cleaning device is shown;

[0020] Figure 4 An exploded view of the fixed sleeve of the telescopic mechanism and the soil cleaning device is shown;

[0021] Figure 5 A schematic diagram of the overall structure of the nut of the telescopic mechanism and the soil cleaning device is shown;

[0022] Figure 6 A schematic diagram of the overall structure of the upper sleeve of the telescopic mechanism and soil cleaning device is shown. Detailed Implementation

[0023] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0024] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0025] Reference Figures 1-6 This embodiment provides a telescopic mechanism and a soil cleaning device, including a main rod 1 and a spiral telescopic component 2. The spiral telescopic component 2 is sleeved on the main rod 1. The spiral telescopic component 2 includes a threaded sleeve 21 and a fixed sleeve 22. The threaded sleeve 21 is sleeved on the main rod 1, and the fixed sleeve 22 is sleeved on the threaded sleeve 21.

[0026] The main rod 1 and the fixed sleeve 22 maintain a fixed position in the vertical direction. The vertical displacement of the threaded sleeve 21 can be adjusted by rotating the fixed sleeve 22. A rotational drive relationship is formed between the fixed sleeve 22 and the threaded sleeve 21. When a rotational torque is applied to the fixed sleeve 22, the threaded structure inside the fixed sleeve 22 will drive the threaded sleeve 21 to produce linear motion along the axis of the main rod 1 through the helical transmission principle, thereby achieving precise control of the overall height of the device.

[0027] Furthermore, the length of the threaded sleeve 21 is less than that of the fixed sleeve 22.

[0028] The threaded sleeve 21 is shorter than the fixed sleeve 22, and one end of the fixed sleeve 22 forms a limiting fit with the main rod 1. Through this structural design, during the rotation of the fixed sleeve 22, the threaded sleeve 21 moves only within its internal range relative to the fixed sleeve 22. The two ends of the threaded sleeve 21 will never simultaneously extend beyond the two ends of the fixed sleeve 22, thereby avoiding interference and obstruction to the relative position between the fixed sleeve 22 and the main rod 1, and ensuring that the relative fixed relationship between the fixed sleeve 22 and the main rod 1 in the vertical direction is not affected.

[0029] Furthermore, the fixed sleeve 22 includes an upper sleeve 221, one end of which is rotatably connected to a nut 222, and the other end of the nut 222 is rotatably connected to a lower sleeve 223.

[0030] Specifically, T-shaped protrusions 224 are fixedly connected to both ends of the nut 222, and T-shaped grooves 225 are opened at the ends of the upper sleeve 221 and the lower sleeve 223. The T-shaped protrusions 224 and the T-shaped grooves 225 cooperate with each other. The inner wall of the nut 222 is provided with internal threads, and the outer wall of the threaded sleeve 21 is provided with external threads. The nut 222 and the threaded sleeve 21 are screwed together.

[0031] The fixed sleeve 22 is composed of an upper sleeve 221, a nut 222, and a lower sleeve 223 connected in sequence. The upper and lower ends of the nut 222 are respectively provided with annular T-shaped blocks. The end of the upper sleeve 221 that connects with the nut 222 has an annular T-shaped groove 225 that mates with it. The end of the lower sleeve 223 that connects with the nut 222 also has an annular T-shaped groove 225 with the same structure. By inserting the annular T-shaped blocks at the upper and lower ends of the nut 222 into the corresponding annular T-shaped grooves 225 of the upper sleeve 221 and the lower sleeve 223, the assembly connection between the upper sleeve 221, the nut 222, and the lower sleeve 223 is realized. The upper sleeve 221 and the nut 222 can rotate relative to each other around the axis, and the lower sleeve 223 and the nut 222 can also rotate relative to each other around the axis. The nut 222 itself engages with the external thread on the outer wall of the threaded sleeve 21 through its internal thread, thereby realizing the thread transmission function.

[0032] The inner wall of the nut 222 is provided with an internal thread, and the outer wall of the threaded sleeve 21 is provided with a corresponding external thread. The nut 222 and the threaded sleeve 21 form a helical transmission pair through thread engagement. When the nut 222 is rotated, its internal thread drives the threaded sleeve 21 to move axially along the main rod 1, thereby realizing the telescopic function. The relative position of the nut 222 and the main rod 1 remains unchanged, while the threaded sleeve 21 slides on the main rod 1.

[0033] Furthermore, a limiting block 226 is fixedly provided on the inner wall of the lower sleeve 223. This limiting block 226 cooperates with the limiting hole 12 opened on the main rod 1 to limit the axial relative displacement between the main rod 1 and the fixed sleeve 22, allowing only rotational movement around the axis between the main rod 1 and the fixed sleeve 22, thereby achieving coordinated control of axial limiting and rotational freedom. A handle 11 is also fixedly provided at one end of the main rod 1 for easy gripping by the operator.

[0034] Furthermore, a limiting block 226 is fixedly connected to the inner wall of the lower sleeve 223, and the limiting block 226 cooperates with the limiting hole 12. A handle 11 is fixedly connected to one end of the main rod 1, and a limiting hole 12 is opened on the main rod 1.

[0035] The lower sleeve 223 has a fixed limiting block 226 on its inner wall. The limiting block 226 cooperates with the limiting hole 12 on the outer wall of the main rod 1, so that the main rod 1 and the fixed sleeve 22 are connected by the insertion of the limiting block 226 and the limiting hole 12. The design of the insertion of the limiting block 226 and the limiting hole 12 restricts the relative displacement of the main rod 1 and the fixed sleeve 22 in the vertical direction, while allowing the main rod 1 and the fixed sleeve 22 to rotate relative to each other in the horizontal plane, thereby realizing the combined positioning function of rotational connection and axial limiting between the main rod 1 and the fixed sleeve 22.

[0036] Furthermore, the diaphragm 3 is mounted on the main rod 1 and the spiral telescopic component 2 via a frame 4. The frame 4 includes a contour bracket 41 and a support bracket 42. The contour bracket 41 is mounted on the diaphragm 3, and the diaphragm 3 is centrally fixed to the main rod 1. One end of the contour bracket 41 is hinged to the main rod 1, and one end of the support bracket 42 is hinged to the contour bracket 41. The other end of the support bracket 42 is hinged to the end of the threaded sleeve 21.

[0037] The diaphragm 3 is made of flexible materials, including but not limited to Oxford cloth and waterproof fabric. Its central part is fixedly connected to the end of the main rod 1 to achieve center positioning of the diaphragm 3. The edge area of ​​the diaphragm 3 is supported by the skeleton 4 structure, which includes a contour bracket 41 and a support bracket 42. The contour bracket 41 is installed around the periphery of the diaphragm 3 and forms an integral part with the diaphragm 3. One end of the contour bracket 41 is hinged to the main rod 1 to achieve a rotatable connection between the diaphragm 3 and the main rod 1, thereby providing initial tension and fixation for the diaphragm 3.

[0038] One end of the support bracket 42 is hinged to the contour bracket 41, and the other end is hinged to the end of the threaded sleeve 21, forming a linkage support structure. Since the support bracket 42 is hinged to the contour bracket 41, it limits the position of the threaded sleeve 21. When the nut 222 rotates, causing the threaded sleeve 21 to move axially along the main rod 1, the distance between the two ends of the support bracket 42 changes accordingly, thereby causing the contour bracket 41 to rotate around its hinge point with the main rod 1. As the end of the threaded sleeve 21 moves away from the end of the main rod 1, the angle between the contour bracket 41 and the support bracket 42 gradually increases, thereby causing the contour bracket 41 to drive the soft membrane 3 to move synchronously, ultimately unfolding the soft membrane 3 and realizing the automatic unfolding and retraction control function of the soft membrane 3.

[0039] In summary, in the initial state of the device, the spiral telescopic component 2 is in a retracted state, and the soft membrane 3 is attached to the outer wall of the fixed sleeve 22. The main rod 1 is axially fixed to the fixed sleeve 22 through the cooperation of the limiting block 226 and the limiting hole 12, and can only rotate around the axis; the soft membrane 3 is connected to the main rod 1 and the threaded sleeve 21 through the skeleton structure 4.

[0040] The operator holds the fixed sleeve 22 and applies a rotational torque to the nut 222 on the fixed sleeve 22. The nut 222 has an internal thread that meshes with the external thread on the outer wall of the threaded sleeve 21. When the nut 222 rotates, it drives the threaded sleeve 21 to move linearly along the axis of the main rod 1 through the principle of screw transmission, thereby realizing the extension or retraction action.

[0041] The axial movement of the threaded sleeve 21 causes the support bracket 42, which is hinged at its end, to move, thereby changing the angle between the support bracket 42 and the contour bracket 41. As the threaded sleeve 21 moves away from the end of the main rod 1, the support bracket 42 pushes the contour bracket 41 to rotate around its hinge point with the main rod 1. The contour bracket 41 opens, causing the soft membrane 3 to gradually unfold from the retracted state.

[0042] After the support bracket 42 and the contour bracket 41 are unfolded, the soft membrane 3 is stretched and forms a stable covering surface. Pulling the handle 11 on the main rod 1 will pull the soil out of the drainage hole during the cleaning process.

[0043] When the fixed sleeve 22 is rotated in the opposite direction, the threaded sleeve 21 retracts towards the main rod 1, the angle between the support bracket 42 and the contour bracket 41 decreases, and the contour bracket 41 drives the soft membrane 3 to retract towards the center, so that the soft membrane 3 is finally attached to the surface of the fixed sleeve 22, and the recycling action is completed.

[0044] Throughout the entire operation, the main rod 1 and the fixed sleeve 22 are always axially fixed through the cooperation of the limiting block 226 and the limiting hole 12, allowing only relative rotation, thus ensuring the accuracy of the screw drive and the reliability of the unfolding and retracting action of the soft membrane 3.

[0045] After the hole cleaning operation is completed, the entire device is retracted, and the soft membrane 3 is in a folded state, making it easy to carry and store.

[0046] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways, as long as they do not depart from the scope of this utility model.

Claims

1. A telescoping mechanism characterized by: include, The main rod (1) and the spiral telescopic component (2) are sleeved on the main rod (1). The spiral telescopic component (2) includes a threaded sleeve (21) and a fixed sleeve (22). The threaded sleeve (21) is sleeved on the main rod (1), and the fixed sleeve (22) is sleeved on the threaded sleeve (21).

2. The telescoping mechanism of claim 1, wherein: A handle (11) is fixedly connected to one end of the main rod (1), and a limit hole (12) is opened on the main rod (1).

3. The telescoping mechanism of claim 2, wherein: The length of the threaded sleeve (21) is less than that of the fixed sleeve (22), and the outer wall of the threaded sleeve (21) is provided with external threads.

4. The telescoping mechanism of claim 3, wherein: The fixed sleeve (22) includes an upper sleeve (221), one end of which is rotatably connected to a nut (222), and the other end of which is rotatably connected to a lower sleeve (223).

5. The telescoping mechanism of claim 4, wherein: The nut (222) has T-shaped protrusions (224) fixedly connected to both ends. The upper sleeve (221) and the lower sleeve (223) have T-shaped grooves (225) at their ends. The T-shaped protrusions (224) and the T-shaped grooves (225) cooperate with each other.

6. The telescoping mechanism of claim 5, wherein: The nut (222) has an internal thread on its inner wall, and the nut (222) is screwed to the threaded sleeve (21).

7. The telescoping mechanism of claim 6, wherein: The inner wall of the lower sleeve (223) is fixedly connected to a limiting block (226), and the limiting block (226) cooperates with the limiting hole (12).

8. A soil hole cleaning device as claimed in any one of claims 1 to 7 wherein: include, A soft membrane (3) is mounted on the main rod (1) and the spiral telescopic member (2) by means of a skeleton (4).

9. The soil cleaning device according to claim 8, characterized in that: The skeleton (4) includes a contour bracket (41) and a support bracket (42). The contour bracket (41) is mounted on the soft membrane (3). The soft membrane (3) is fixedly connected to the main rod (1) at its center. One end of the contour bracket (41) is hinged to the main rod (1).

10. The earth hole cleaning device of claim 9, wherein: One end of the support bracket (42) is hinged to the profile bracket (41), and the other end of the support bracket (42) is hinged to the end of the threaded sleeve (21).

Images