Self-cleaning measuring tape

Abstract

The utility model provides a tape measure capable of self-cleaning, and relates to the technical field of tape measure cleaning, the tape measure comprises a tape measure, cleaning cotton used for cleaning two sides of a tape band of the tape measure and a scraper, the top edge of a tape band drawing opening of a tape measure shell is fixedly connected with a cleaning cover, and the inner wall of the cleaning cover is inserted with a lifting frame used for rotatably installing the cleaning cotton. By arranging a clamping seat, a plurality of gears and a toothed belt which are installed in a sliding mode, cleaning cotton is driven by a lifting frame to descend to make contact with the surface of a tape to be recycled, when the tape in the tape is recycled, a winding shaft or a winding disc used for winding the tape can rotate, then the gears at the corresponding positions are driven to rotate, and under the meshing transmission effect of the toothed belt, the tape can be recycled. The gears at other positions rotate, the gear at one position drives the cleaning cotton to rotate, the cleaning cotton can rotate actively, and the surface of the tape is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of tape measure cleaning, in particular to a tape measure capable of self-cleaning. Background Art

[0002] The tape measure is a common measuring tool in daily life. The steel tape measure that we often see is commonly used in construction and decoration, and is also one of the essential tools for the family. When the tape measure is pulled out for use, because the span is large and some of the measurement areas are muddy or dirty, the dirt on the surface of the tape measure will accumulate for a long time when it is recycled, causing the tape measure to rust.

[0003] After searching

[0004] A self-cleaning masonry tape, publication number: CN220524799U, comprises a shell, a button and a tape measure body, a button is fixedly connected to the outside of the shell, a tape measure body is fixedly connected to the inside of the shell, an empty bin is fixedly connected to the outside of the shell, a bolt is spirally connected to the inside of the shell, a nut is spirally connected to one end of the bolt, a center shaft is fixedly connected to one end of the bolt, a cleaning sponge is rotatably connected to the outside of the center shaft, after the measurement is completed, the tape measure body will automatically enter the shell, when the tape measure body is recycled, the recycling speed is fast, which will drive the cleaning sponge on the outside of the center shaft to rotate, and clean the upper surface of the tape measure body, during the automatic recycling process of the tape measure body, the brush on the cleaning plate will effectively clean the bottom of the tape measure body, which can improve the service life and value of the tape measure body, when the cleaning sponge cleans the tape measure body, the scraper on the outside of the fixed plate cleans the rotating cleaning sponge, and scrapes small particles on the cleaning sponge into the scraper groove, and the small particles or dust will pass through the scraper into the cleaning box.

[0005] There is only friction between the tape measure body and the cleaning sponge when they are in contact. Because the surface of the tape measure body is usually covered with an anti-corrosion and anti-rust protective layer, the surface is relatively smooth. Therefore, when the tape measure body is recycled, the friction alone may not be able to drive the cleaning sponge to rotate, which causes the small particles of dust cleaned by the cleaning sponge to accumulate on the tape measure body and cannot be cleaned in time. Utility Model Content

[0006] The utility model aims to solve the problems existing in the prior art and provides a self-cleaning measuring tape.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-cleaning tape measure, comprising a tape measure, cleaning cotton and a scraper for cleaning both sides of the tape measure, a cleaning cover is fixedly connected to the top edge of the tape drawing opening of the tape measure shell, a lifting frame for rotatably installing the cleaning cotton is inserted into the inner wall of the cleaning cover, the end face of the central rod of the cleaning cotton passes through the lifting frame and the cleaning cover to extend outward, and is fixedly connected with a gear, a holder is inserted into the outer wall of the tape measure shell, gears are respectively arranged on the side face of the holder and the outwardly extending section of the end face of the tape winding shaft in the tape measure, a toothed belt is meshed and connected between several of the gears, a connecting frame connected to the top edge of the lifting frame is penetrated through the top of the cleaning cover, a lifting seat for installing the scraper is inserted into the bottom edge of the tape drawing opening of the tape measure shell, and traction ropes with two ends respectively fixed on the connecting frame and the lifting seat are penetrated through the two sides of the top edge of the tape drawing opening of the tape measure shell.

[0008] Preferably, a pressing piece is rotatably connected to one side of the top edge of the cleaning cover, and a spring piece that fits the inner top surface of the connecting frame is fixedly connected to the top of the cleaning cover.

[0009] Preferably, the top edge of the pressing sheet is hollowed out, and a columnar protrusion extends outward from the top edge of the connecting frame and passes through the hollowed-out portion of the pressing sheet.

[0010] Preferably, one side wall of the cleaning cover is also hollowed out, the central rod of the cleaning cotton is slidably connected to the hollow part of the cleaning cover, and a spring is also provided between the holder and the outer shell of the tape measure.

[0011] Preferably, the tape measure housing is fixedly connected with a connection cover for covering a plurality of gears.

[0012] Preferably, the top of the cleaning cover is rotatably connected to a rotating block for abutting against the tablet pressing surface.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, a slidingly mounted card seat, a plurality of gears and a toothed belt are provided, and a lifting frame is used to drive the cleaning cotton to descend to contact the surface of the tape to be recycled. When the tape in the measuring tape is recycled, the winding shaft or winding disk used to wind the tape will rotate, thereby driving the gears at the corresponding positions to rotate. Under the meshing transmission action of the toothed belt, the gears at other positions are rotated. The gear at one position drives the cleaning cotton to rotate, so that the cleaning cotton can be actively rotated to clean the surface of the tape.

[0015] 2. In the utility model, by setting a traction rope and pressing the connecting frame to realize that the lifting frame drives the cleaning cotton to move in the direction of the tape, the traction effect of the traction rope is used to realize that the lifting seat drives the scraper to rise until the scraper also moves in the direction of the tape, that is, to ensure that the cleaning cotton and the scraper are in contact with the upper and lower surfaces of the tape at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a self-cleaning measuring tape is provided for the utility model;

[0017] Figure 2 The utility model provides a rear view structural schematic diagram of a self-cleaning tape measure cleaning cover;

[0018] Figure 3 The utility model proposes a self-cleaning measuring tape Figure 2 A schematic cross-sectional structure diagram of;

[0019] Figure 4 Schematic diagram of the internal structure of the connection cover.

[0020] Legend: 1. Tape measure; 2. Connecting cover; 3. Cleaning cover; 4. Pressing piece; 5. Rotating block; 6. Connecting frame; 7. Toothed belt; 8. Shrapnel; 9. Traction rope; 10. Lifting seat; 11. Scraper; 12. Gear; 13. Cleaning cotton; 14. Lifting frame; 15. Holder. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] like Figure 1-4 As shown, a self-cleaning tape measure includes a tape measure 1, cleaning cotton 13 and a scraper 11 for cleaning both sides of the tape measure 1. As shown in the figure, the cleaning cotton 13 and the scraper 11 are arranged on the upper and lower surfaces of the tape measure. The cleaning cotton 13 rotates, and the dust on the surface of the tape measure is cleaned when the tape measure is retracted:

[0024] Specifically, a cleaning cover 3 is fixedly connected to the top edge of the tape drawing opening of the measuring tape 1 shell, and a lifting frame 14 for rotatably installing a cleaning cotton 13 is inserted into the inner wall of the cleaning cover 3. The lifting frame 14 is set to rise when the measuring tape is drawn out to ensure that the cleaning cotton 13 does not contact the measuring tape. The end face of the central rod of the cleaning cotton 13 extends outward through the lifting frame 14 and the cleaning cover 3 and is fixedly connected with a gear 12. A card seat 15 is inserted into the outer wall of the measuring tape 1 shell, and gears 12 are respectively provided on the side surface of the card seat 15 and the outward extending section of the end face of the tape winding shaft in the measuring tape 1. If The gears 12 are meshed with a toothed belt 7. When the tape in the measuring tape 1 is released and recovered, the winding shaft or winding disk for winding the tape will rotate, thereby driving the gear 12 at the corresponding position to rotate. Under the meshing transmission of the toothed belt 7, the gears 12 at other positions are rotated. The gear 12 at one position drives the cleaning cotton 13 to rotate. When the lifting frame 14 drives the gear 12 at the corresponding position to descend, under the action of the pulling force, the sliding connection between the holder 15 and the outer shell of the measuring tape 1 is utilized to make the gear 12 on the holder 15 descend a certain distance:

[0025] A connecting frame 6 connected to the top edge of the lifting frame 14 is provided through the top of the cleaning cover 3, and a lifting seat 10 for installing a scraper 11 is inserted at the bottom edge of the tape withdrawal opening of the tape measure 1 shell. Traction ropes 9 with two ends respectively fixed on the connecting frame 6 and the lifting seat 10 are provided through the two sides of the top edge of the tape withdrawal opening of the tape measure 1 shell. By pressing the connecting frame 6, the lifting frame 14 drives the cleaning cotton 13 to move in the direction of the tape. When the connecting frame 6 moves in the direction of the tape, the lifting seat 10 drives the scraper 11 to rise until the scraper 11 also moves in the direction of the tape through the traction effect of the traction rope 9, that is, it is ensured that the cleaning cotton 13 and the scraper 11 are simultaneously in contact with the upper and lower surfaces of the tape.

[0026] In addition: a pressing piece 4 is rotatably connected to one side of the top edge of the cleaning cover 3, and a spring piece 8 that fits the inner top surface of the connecting frame 6 is fixedly connected to the top of the cleaning cover 3. The top edge of the pressing piece 4 is hollowed out, and a columnar protrusion extending outward from the top edge of the connecting frame 6 passes through the hollow part of the pressing piece 4. The spring piece 8 arranged on the surface of the cleaning cover 3 can ensure that when the connecting frame 6 is not subjected to external force, it remains as Figure 4 state, that is, ensuring that the cleaning cotton 13 in the lifting frame 14 does not contact the surface of the tape, so that when the tape is drawn out, although the cleaning cotton 13 rotates under the transmission action of the toothed belt 7, it does not contact the tape, and when the tape is retracted, the contact between the columnar protrusion and the pressing piece 4 is utilized, and by pressing the pressing piece 4, the connecting frame 6 can push the lifting frame 14 to overcome the elastic force of the spring piece 8 and move in the direction of the tape.

[0027] In addition, one side wall of the cleaning cover 3 is also hollowed out, and the central rod of the cleaning cotton 13 is slidably connected to the hollow part of the cleaning cover 3 to ensure that the lifting frame 14 can be lifted and lowered smoothly. A spring piece 8 is also provided between the holder 15 and the outer shell of the tape measure 1. The spring piece 8 provided here ensures that the holder 15 is located at the top of the sliding installation without the action of external force, that is, the toothed belt 7 is kept in a tensioned state. When the lifting frame 14 descends to realize the descending of the gear 12 at the corresponding position, the toothed belt 7 generates pressure on the gear 12 on the holder 15, so that the holder 15 overcomes the elastic force of the spring piece 8 and moves to the sliding position. The bottom point of the connection ensures that the toothed belt 7 is still in a tensioned state at this time. The outer shell of the measuring tape 1 is fixedly connected to a connecting cover 2 for covering a number of gears 12. The provided connecting cover 2 can ensure the safety of use and prevent the toothed belt 7 from falling or pinching the user. The top of the cleaning cover 3 is rotatably connected to a rotating block 5 for supporting the surface of the pressing piece 4. After the pressing piece 4 swings down to the connecting frame 6 and drops to the lowest point, the rotating block 5 is rotated so that the rotating block 5 fits the upper surface of the pressing piece 4, which can prevent the pressing piece 4 from pushing the connecting frame 6 and the pressing piece 4 to swing up under the pushing action of the spring piece 8.

[0028] The working principle is as shown in the figure. The measuring tape 1 shell is directly pulled out when the measuring tape is not in contact with the cleaning cotton 13 and the scraper 11. When the measuring tape is recovered after use, the pressing piece 4 is pressed down to push the connecting frame 6 to drive the lifting frame 14 and the cleaning cotton 13 to move toward the measuring tape. Under the traction of the traction rope 9, the lifting seat 10 and the scraper 11 also move toward the measuring tape until the cleaning cotton 13 and the scraper 11 contact the surface of the measuring tape at the same time. When the measuring tape is recovered, the winding shaft or winding disk used to wind the measuring tape will rotate, thereby driving the gear 12 at the corresponding position to rotate. Under the meshing transmission action of the toothed belt 7, the gears 12 at other positions are rotated, and the gear 12 at one position drives the cleaning cotton 13 to rotate, so as to clean the surface of the measuring tape when it is recovered.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A self-cleaning measuring tape, comprising a measuring tape (1), cleaning cotton (13) for cleaning both sides of the measuring tape (1), and a scraper (11), characterized in that: A cleaning cover (3) is fixedly connected to the top edge of the tape drawing opening of the housing of the measuring tape (1), a lifting frame (14) for rotatably mounting a cleaning cotton (13) is inserted into the inner wall of the cleaning cover (3), an end surface of a central rod portion of the cleaning cotton (13) passes through the lifting frame (14) and the cleaning cover (3) to extend outwards, and is fixedly connected to a gear (12), a holder (15) is inserted into the outer wall of the housing of the measuring tape (1), and a side surface of the holder (15) and an end surface of a tape winding shaft in the measuring tape (1) extend outwards and are disconnected from each other. The surfaces are respectively provided with gears (12), and a plurality of the gears (12) are meshedly connected with toothed belts (7), the top of the cleaning cover (3) is penetrated with a connecting frame (6) connected to the top edge of the lifting frame (14), the bottom edge of the tape drawing opening of the housing of the measuring tape (1) is plugged with a lifting seat (10) for mounting a scraper (11), and the two sides of the top edge of the tape drawing opening of the housing of the measuring tape (1) are penetrated with a traction rope (9) with two ends respectively fixed to the connecting frame (6) and the lifting seat (10).

2. The self-cleaning measuring tape according to claim 1, characterized in that: A pressing piece (4) is rotatably connected to one side of the top edge of the cleaning cover (3), and a spring piece (8) that fits the inner top surface of the connecting frame (6) is fixedly connected to the top of the cleaning cover (3).

3. The self-cleaning measuring tape according to claim 2, characterized in that: The top edge of the pressing sheet (4) is hollowed out, and a columnar protrusion extends outward from the top edge of the connecting frame (6) and passes through the hollowed-out portion of the pressing sheet (4).

4. The self-cleaning measuring tape according to claim 1, characterized in that: A side wall of the cleaning cover (3) is also hollowed out, the central rod of the cleaning cotton (13) is slidably connected to the hollowed-out portion of the cleaning cover (3), and a spring piece (8) is also provided between the holder (15) and the outer shell of the measuring tape (1).

5. The self-cleaning measuring tape according to claim 1, characterized in that: The outer shell of the measuring tape (1) is fixedly connected to a connection cover (2) for covering a plurality of gears (12).

6. The self-cleaning measuring tape according to claim 1, characterized in that: The top of the cleaning cover (3) is rotatably connected to a rotating block (5) for abutting against the surface of the pressing sheet (4).

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