Retractable long handle joint brush for cleaning instruments

Abstract

The utility model relates to instrument cleaning equipment technical field discloses a telescopic long handle joint brush for instrument cleaning, including handle, the inside of handle is provided with telescopic mechanism, telescopic mechanism includes extension post, the inside fixed connection of extension post has two connecting shafts, the outside rotatory joint of connecting shaft has belt pulley, the outside coupling of two belt pulleys has transmission belt, the outside fixed connection of transmission belt has connecting strip, the outside fixed connection of connecting strip has extension post, the outside of extension post is provided with locking assembly. In the utility model, through pressing locking plate, quick release locking can be realized, the linkage transmission of connecting shaft, belt pulley and transmission belt is cooperated, makes extension post flexible sliding in extension post and realizes length adjustment, and the guiding effect of limiting block to transmission belt ensures the stability of telescopic process, guarantees the stable cleaning effect to all kinds of depth instrument.

Description

Technical Field

[0001] This utility model relates to the technical field of instrument cleaning equipment, and in particular to a retractable long-handled jointed brush for instrument cleaning. Background Technology

[0002] This tool is specifically designed for cleaning complex structures such as medical equipment, laboratory instruments, industrial pipes, and large household kitchen appliances, particularly for hard-to-reach areas. Its long handle allows for a wide cleaning range, and the articulated structure enables the brush head to rotate at multiple angles. The brush head adapts to different types of stains and can reach into crevices, corners, and the inner walls of pipes—areas that are difficult to clean with conventional tools—effectively removing residual dirt.

[0003] Existing articulated brushes typically consist of a fixed-length handle and a rotatable brush head. The handle provides grip and support, while the brush head achieves limited rotation via a simple ball joint or hinge structure. The brush head surface is covered with bristles of varying hardness. The user holds the handle and inserts the brush head into the device, manually pushing, pulling, or rotating the handle to cause the brush head to rub against the inner wall of the device, removing stains through physical friction of the bristles. Its core logic is to utilize the limited rotation of the brush head to adapt to the simple bending structure of the device, relying on manual force to complete the cleaning action.

[0004] In existing technologies, some articulated brushes have fixed handle lengths. For long and slender instruments, the fixed-length handle causes the brush head to extend into the bottom or far end of the instrument, resulting in incomplete cleaning. For short and small instruments, excessively long handles are inconvenient to operate, and the angle is easily adjusted due to space limitations. In some cases, the handle may even collide with the instrument, causing damage. This increases the frequency of changing cleaning tools in different scenarios and reduces the efficiency of cleaning work. To address the above problems, a telescopic long-handled articulated brush for instrument cleaning is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a retractable long-handled joint brush for cleaning instruments, aiming to improve the problem of fixed length of some joint brushes in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A telescopic long-handled articulated brush for cleaning instruments includes a handle, an internal telescopic mechanism, a fixed post externally connected to the telescopic mechanism, an adjustment mechanism externally connected to the fixed post, a transmission post externally connected to the adjustment mechanism, a brush head replacement mechanism externally connected to the transmission post, a brush head slidably connected to the external of the brush head replacement mechanism, the telescopic mechanism including an extension post, the outer side of the extension post slidably connected to the inner side of the handle, two connecting shafts fixedly connected internally to the extension post, pulleys rotatably connected externally to the connecting shafts, a transmission belt coupled externally to the two pulleys, a connecting strip fixedly connected externally to the transmission belt, an extension post fixedly connected externally to the connecting strip, and a locking component externally provided on the extension post.

[0008] As a further description of the above technical solution:

[0009] The brush head replacement mechanism includes a protective shell, the outer side of which is fixedly connected to the outside of the transmission column, a support block is fixedly connected inside the protective shell, a second motor is fixedly connected to the outside of the support block, and a push plate is fixedly connected to the drive end of the second motor.

[0010] As a further description of the above technical solution:

[0011] The outside of the extension column is slidably connected to the inside of the extension column, and the inside of the handle is fixedly connected to a limit block, the inside of the limit block being slidably connected to the outside of the transmission belt.

[0012] As a further description of the above technical solution:

[0013] The locking assembly includes two limiting plates, the two limiting plates are fixedly connected to the outside of the extension column, and a limiting shaft is fixedly connected to the opposite side of the outside of the two limiting plates. A locking plate is rotatably connected to the outside of the limiting shaft, and a spring is sleeved on the protruding shaft on the bottom side of the locking plate.

[0014] As a further description of the above technical solution:

[0015] The locking plate is slidably connected to the outside of the extension column, and one end of the spring is fixedly connected to the outside of the extension column.

[0016] As a further description of the above technical solution:

[0017] Two fixed plates are slidably connected to the outer sides of the push plate. Spring 2 is sleeved on the outer side of the protruding shaft on both sides of the support block. The other end of the spring 2 is fixedly connected to the outside of the fixed plate. The two fixed plates are slidably connected to the inside of the protective shell. The fixed plates are slidably connected to the outside of the brush head.

[0018] As a further description of the above technical solution:

[0019] The adjustment mechanism includes a motor, which is externally fixedly connected to the inside of the fixed column. A bevel gear is fixedly connected to the drive end of the motor. A housing is fixedly connected to the outside of the fixed column. A rotating frame is rotatably connected to the external protruding shafts on both sides of the housing. A bevel gear is rotatably connected inside the rotating frame. The external teeth of the bevel gear and the external teeth of the bevel gear are meshed with each other.

[0020] As a further description of the above technical solution:

[0021] The external bevel gear one is rotatably connected to the inside of the housing, and the internal rotating frame is rotatably connected to the outside of the transmission column. A bevel gear is provided at one end of the outside of the transmission column, and the locking teeth of the bevel gear outside the transmission column and the locking teeth of the bevel gear one are meshed with each other.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the locking plate can be quickly released by pressing it. With the linkage of the connecting shaft, pulley and transmission belt, the extension column can slide flexibly in the extension column to achieve length adjustment. The guiding effect of the limit block on the transmission belt ensures the smoothness of the extension process. The engagement of the protruding shaft at the bottom of the locking plate with the external hole and positioning groove of the extension column can achieve precise length adaptation according to different instrument depths, effectively avoiding cleaning dead angles caused by adjustment deviations, improving the safety and reliability of operation, and ensuring stable cleaning effect for various depth instruments.

[0024] 2. In this utility model, the motor drives the push plate to retract, and the spring's return force causes the fixing plate to automatically release the brush head. The operator can easily pull out the old brush head without tools. After inserting the new brush head, the motor reverses to lock it in place, greatly simplifying the replacement process and improving operational efficiency. In terms of fixing stability, the push plate's compression of the fixing plate, combined with the spring's elasticity, makes the fixing plate tightly fit into the brush head positioning hole, forming a double fastening effect. This effectively prevents the brush head from loosening or falling off due to vibration or force during the cleaning process, ensuring the stability of the cleaning operation. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a retractable long-handled articulated brush for cleaning instruments proposed in this utility model.

[0026] Figure 2 This is a schematic diagram of the extension column of a retractable long-handled articulated brush for cleaning instruments proposed in this utility model.

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0028] Figure 4 This is a schematic diagram of the extension column of a retractable long-handled articulated brush for cleaning instruments proposed in this utility model.

[0029] Figure 5 This is a schematic diagram of the brush head of a retractable long-handled articulated brush for cleaning instruments proposed in this utility model.

[0030] Figure 6 for Figure 5 Enlarged view of section B in the middle.

[0031] Legend:

[0032] 1. Handle; 2. Telescopic mechanism; 21. Extension column; 22. Connecting shaft; 23. Pulley; 24. Limit block; 25. Transmission belt; 26. Connecting bar; 27. Extension column; 28. Locking assembly; 281. Limit plate; 282. Limit shaft; 283. Spring 1; 284. Locking plate; 3. Adjustment mechanism; 31. Motor 1; 32. Housing; 33. Bevel gear 1; 34. Bevel gear 2; 35. Rotating frame; 4. Brush head replacement mechanism; 41. Protective shell; 42. Support block; 43. Motor 2; 44. Push plate; 45. Fixing plate; 46. Spring 2; 5. Brush head; 6. Fixing column; 7. Transmission column. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1 to 3This utility model provides an embodiment of a telescopic long-handled articulated brush for cleaning instruments, including a handle 1. The handle 1 has a telescopic mechanism 2 inside, which adjusts the length of the handle to suit different depths of instrument cleaning needs. A fixed post 6 is fixedly connected to the outside of the telescopic mechanism 2. An adjustment mechanism 3 is provided outside the fixed post 6, which connects the telescopic mechanism 2 and the adjustment mechanism 3. A transmission post 7 is fixedly connected to the outside of the adjustment mechanism 3. A brush head replacement mechanism 4 is provided outside the transmission post 7. A brush head 5 is slidably connected to the outside of the brush head replacement mechanism 4, which enables quick disassembly and installation of the brush head 5 to suit different types of stains. The adjustment mechanism 3 drives the brush head 5 to rotate at multiple angles, adapting to cleaning complex parts such as corners and curved surfaces of instruments. The transmission post 7 connects the adjustment mechanism 3 and the brush head replacement mechanism 4.

[0035] The telescopic mechanism 2 includes an extension column 21, the outer side of which is slidably connected to the inner side of the handle 1. Two connecting shafts 22 are fixedly connected inside the extension column 21, providing installation space and sliding guidance for the internal connecting shafts 22. Pulleys 23 are rotatably connected to the outer side of the connecting shafts 22, fixing their position and ensuring transmission stability. A transmission belt 25 is externally coupled to the two pulleys 23, driving the transmission belt 25 through rotation, thus transmitting power. A connecting strip 26 is fixedly connected to the outer side of the transmission belt 25, and an extension column 27 is fixedly connected to the outer side of the connecting strip 26. The connecting strip 26 is used to connect the transmission belt 25. The drive belt 25 and the extension column 27 transmit force. The drive belt 25 converts the rotational motion of the pulley 23 into linear motion, driving the extension column 27 to slide. The extension column 21 is provided with a locking component 28 on the outside. The locking component 28 fixes the adjusted length of the handle to prevent accidental extension and retraction during cleaning. The extension column 27 is slidably connected to the inside of the extension column 21. The extension column 27 changes the overall length of the handle by sliding and extends into the instrument for cleaning. The inner side of the handle 1 is fixedly connected to a limit block 24. The inside of the limit block 24 is slidably connected to the outside of the drive belt 25. The limit block 24 restricts the movement trajectory of the drive belt 25 to prevent belt deviation and ensure smooth extension and retraction.

[0036] The locking assembly 28 includes two limiting plates 281, which are externally fixedly connected to the outside of the extension post 21. A limiting shaft 282 is fixedly connected to the opposite side of the two limiting plates 281. The limiting plates 281 are used to fix the position of the limiting shaft 282. A locking plate 284 is rotatably connected to the outside of the limiting shaft 282. The limiting shaft 282 is the rotation axis of the locking plate 284 to ensure stable rotation trajectory. A spring 283 is sleeved on the protruding shaft on the bottom side of the locking plate 284. The locking plate 284 is externally slidably connected to the outside of the extension post 27. The locking plate 284 achieves the fixing and adjustment of the length of the long handle by locking and unlocking. One end of the spring 283 is fixedly connected to the outside of the extension post 21. The spring 283 provides a reset spring force for the locking plate 284 to ensure a stable locking state.

[0037] Reference Figures 4 to 6 The brush head replacement mechanism 4 includes a protective shell 41, which protects the internal components and prevents cleaning fluid from seeping in. The protective shell 41 is fixedly connected to the outside of the transmission column 7. A support block 42 is fixedly connected inside the protective shell 41. A second motor 43 is fixedly connected to the outside of the support block 42. The support block 42 fixes the position of the second motor 43 and provides sliding support for the fixed plate 45. A push plate 44 is fixedly connected to the drive end of the second motor 43. The push plate 44 transmits the motor power to the fixed plate 45 and controls its opening and closing.

[0038] Two fixed plates 45 are slidably connected to the outer sides of the push plate 44. Spring 46 is sleeved on the outer side of the protruding shaft on both sides of the support block 42. The other end of the spring 46 is fixedly connected to the outside of the fixed plate 45. The spring 46 provides a reset pull for the fixed plate 45 to help release the brush head fixation. The two fixed plates 45 are slidably connected to the inside of the protective shell 41. The fixed plates 45 are slidably connected to the outside of the brush head 5. The fixed plates 45 fix the brush head by snapping into the brush head positioning hole.

[0039] The adjustment mechanism 3 includes a motor 31, which is externally fixedly connected to the inside of the fixed column 6. A bevel gear 34 is fixedly connected to the drive end of the motor 31. The bevel gear 34 transmits the motor power to the bevel gear 33, changing the transmission direction. A housing 32 is fixedly connected to the outside of the fixed column 6. The housing 32 protects the internal gear assembly and prevents dust and liquid from entering. A rotating frame 35 is rotatably connected to the external protruding shafts on both sides of the housing 32. A bevel gear 33 is rotatably connected inside the rotating frame 35. The rotating frame 35 provides rotational support for the bevel gear 33 and the transmission column 7, realizing horizontal angle adjustment. The external teeth of the bevel gear 33 and the external teeth of the bevel gear 34 are meshed with each other. The bevel gear 33 receives the power from the bevel gear 34 and transmits it to the transmission column 7, realizing vertical angle adjustment.

[0040] The bevel gear 33 is externally rotatably connected to the inside of the housing 32, and the rotating frame 35 is internally rotatably connected to the outside of the transmission column 7. A bevel gear is provided at one end of the outside of the transmission column 7, and the teeth of the bevel gear on the outside of the transmission column 7 and the teeth of the bevel gear 33 are meshed with each other.

[0041] Working principle: When the brush length needs to be adjusted according to the depth of the instrument, simply press one end of the locking plate 284 to make the locking plate 284 rotate around the limiting shaft 282 restricted by the limiting plate 281. At this time, the spring 283 at the bottom of the locking plate 284 is compressed, and the engagement between the protruding shaft at the bottom of the locking plate 284 and the external hole of the extension column 27 is released. Then, the connecting shaft 22 inside the extension column 21 will drive the pulley 23 to rotate. The transmission belt 25 slides smoothly along the limiting block 24 under the drive of the pulley 23. The extension column 27 is flexibly slid inside the extension column 21 through the externally fixed connecting strip 26. When the locking plate 284 is released, the spring 283 will automatically reset and push the locking plate 284 to re-engage in the positioning groove of the extension column 27, ensuring that the length of the long handle remains stable during the cleaning process.

[0042] If the instrument's corners or curved surfaces need cleaning, the motor 31 inside the fixed column 6 can drive the bevel gear 34 to rotate. Since the bevel gear 34 meshes with the bevel gear 33 inside the rotating frame 35, the bevel gear 33 will rotate synchronously with the rotation of the bevel gear 34, and drive the rotating frame 35 to rotate around the protruding shaft of the outer shell 32. At the same time, the bevel gear at one end of the transmission column 7 meshes with the bevel gear 33, and the power of the motor 31 is transmitted to the transmission column 7 through this set of bevel gears, driving the transmission column 7 and the brush head 5 at the end to rotate in the vertical direction, ensuring close contact with the instrument surface.

[0043] When it is necessary to replace the brush head 5 with a different type, the motor 43 inside the protective shell 41 will drive the push plate 44 to retract inward. At this time, the fixing plates 45 on both sides of the push plate 44 lose their pushing force, and the spring 46 protruding from the shaft of the support block 42 will automatically reset, pulling the fixing plate 45 to slide inward, thereby releasing the clamping and fixing of the brush head 5. The operator can easily pull the old brush head 5 out of the protective shell 41. After inserting the new brush head 5, the motor 43 will rotate in reverse, pushing the push plate 44 to move outward, squeezing the fixing plate 45 to overcome the elastic force of the spring 46 and slide outward until the fixing plate 45 is inserted into the positioning hole of the new brush head 5, completing the replacement and fixing of the brush head, ensuring that the brush head is always stable and does not fall off during the cleaning process.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A retractable long-handled articulated brush for cleaning instruments, comprising a handle (1), characterized in that: The handle (1) is internally provided with a telescopic mechanism (2), and a fixed post (6) is fixedly connected to the outside of the telescopic mechanism (2). An adjustment mechanism (3) is provided outside the fixed post (6), and a transmission post (7) is fixedly connected to the outside of the adjustment mechanism (3). A brush head replacement mechanism (4) is provided outside the transmission post (7), and a brush head (5) is slidably connected to the outside of the brush head replacement mechanism (4). The telescopic mechanism (2) includes an extension post (21), and the extension post (21) is externally... The extension post (21) is slidably connected to the inside of the handle (1). Two connecting shafts (22) are fixedly connected inside the extension post (21). Pulleys (23) are rotatably connected to the outside of the connecting shafts (22). A transmission belt (25) is coupled to the outside of the two pulleys (23). A connecting strip (26) is fixedly connected to the outside of the transmission belt (25). An extension post (27) is fixedly connected to the outside of the connecting strip (26). A locking component (28) is provided on the outside of the extension post (21).

2. The retractable long-handled articulated brush for cleaning instruments according to claim 1, characterized in that: The brush head replacement mechanism (4) includes a protective shell (41), the outside of which is fixedly connected to the outside of the transmission column (7), a support block (42) is fixedly connected inside the protective shell (41), a second motor (43) is fixedly connected outside the support block (42), and a push plate (44) is fixedly connected to the drive end of the second motor (43).

3. The retractable long-handled articulated brush for cleaning instruments according to claim 1, characterized in that: The extension column (27) is slidably connected to the outside of the extension column (21), and a limiting block (24) is fixedly connected to the inside of the handle (1). The inside of the limiting block (24) is slidably connected to the outside of the transmission belt (25).

4. The retractable long-handled articulated brush for cleaning instruments according to claim 3, characterized in that: The locking assembly (28) includes two limiting plates (281), the two limiting plates (281) are fixedly connected to the outside of the extension post (21), and a limiting shaft (282) is fixedly connected to the opposite side of the outside of the two limiting plates (281). A locking plate (284) is rotatably connected to the outside of the limiting shaft (282), and a spring (283) is sleeved on the protruding shaft on the bottom side of the locking plate (284).

5. A retractable long-handled articulated brush for cleaning instruments according to claim 4, characterized in that: The locking plate (284) is slidably connected to the outside of the extension post (27), and one end of the spring (283) is fixedly connected to the outside of the extension post (21).

6. A retractable long-handled articulated brush for cleaning instruments according to claim 2, characterized in that: Two fixed plates (45) are slidably connected to the outer sides of the push plate (44). Springs (46) are sleeved on the outer sides of the protruding shafts of the support block (42). The other end of the springs (46) is fixedly connected to the outside of the fixed plates (45). The two fixed plates (45) are slidably connected to the inside of the protective shell (41). The fixed plates (45) are slidably connected to the outside of the brush head (5).

7. The retractable long-handled articulated brush for cleaning instruments according to claim 1, characterized in that: The adjustment mechanism (3) includes a motor (31), which is externally fixedly connected to the inside of the fixed column (6). A bevel gear (34) is fixedly connected to the drive end of the motor (31). A housing (32) is fixedly connected to the outside of the fixed column (6). A rotating frame (35) is rotatably connected to the external protruding shafts on both sides of the housing (32). A bevel gear (33) is rotatably connected inside the rotating frame (35). The external teeth of the bevel gear (33) and the external teeth of the bevel gear (34) are meshed with each other.

8. A retractable long-handled articulated brush for cleaning instruments according to claim 7, characterized in that: The bevel gear 1 (33) is externally rotatably connected to the inside of the housing (32), and the rotating frame (35) is internally rotatably connected to the outside of the transmission column (7). A bevel gear is provided at one end of the outside of the transmission column (7), and the teeth of the bevel gear outside the transmission column (7) and the teeth of the bevel gear 1 (33) are meshed with each other.

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