Measuring tape with bearing on measuring tape mandrel

Abstract

The utility model relates to the technical field of measuring tapes, and particularly discloses a measuring tape with a bearing on a measuring tape core shaft, which comprises a first measuring tape shell and a second measuring tape shell, the inner wall of the first measuring tape shell and the inner wall of the second measuring tape shell are oppositely clamped, an aluminum core shaft is inserted in the center of the inner wall of the first measuring tape shell and the center of the inner wall of the second measuring tape shell, a measuring tape core is sleeved at the center of the outer part of the aluminum core shaft, and the outer part of the aluminum core shaft is provided with a bearing. First bearings are embedded in the two sides of the inner wall of the ruler core, the ruler core is sleeved with the inner walls of the first bearings, an upper brake block is movably installed on one side of the exterior of the first ruler shell and one side of the exterior of the second ruler shell jointly, a bottom brake block is installed on one side of the bottom of the inner wall of the first ruler shell and one side of the bottom of the inner wall of the second ruler shell jointly, and a wear-resistant ruler opening is embedded in the bottom of one side of the first ruler shell and the bottom of one side of the second ruler shell jointly. According to the utility model, through the cooperation of the aluminum core shaft, the first bearing and the tape core, when the tape of the tape is pulled out, the first bearing drives the tape to rotate, and other parts do not rotate, so that the overall pulling-out and retracting movement of the tape of the tape is smoother, the noise is low, and the overall cost of the tape is low.

Description

Technical Field

[0001] The utility model relates to the technical field of tape measures, in particular to a tape measure with a bearing on its core shaft. Background Art

[0002] Tape measure is a common measuring tool in daily life. The most common one is the steel tape measure, which is commonly used in construction and decoration, and is also one of the essential tools for the family. It is divided into fiber tape measure, tape measure, waist circumference ruler, etc. Luban ruler and Wengong ruler are also steel tape measures.

[0003] Most of the tape measures on the market rotate their cores by the ribs inside the tape measure housing. If the ribs are not processed properly or the product is not installed perfectly, the core will vibrate too much when rotating. Therefore, in order to solve this problem, we proposed a tape measure with a bearing on the core shaft of the tape measure. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a tape measure with a bearing on its spindle.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tape measure with a bearing on its ruler core shaft comprises a ruler shell 1 and a ruler shell 2, wherein the inner wall of the ruler shell 1 and the inner wall of the ruler shell 2 are clamped together facing each other, an aluminum core shaft is inserted at the center of the inner wall of the ruler shell 1 and the ruler shell 2, a ruler core is sleeved at the center of the outside of the aluminum core shaft, bearing 1 is inlaid on both sides of the inner wall of the ruler core, the inner wall of the bearing 1 is sleeved on the outside of the ruler core, an upper brake block is movably installed on one side of the outside of the ruler shell 1 and the ruler shell 2, a bottom brake block is installed on one side of the bottom of the inner wall of the ruler shell 1 and the ruler shell 2, a wear-resistant ruler opening is inlaid on the bottom of one side of the ruler shell 1 and the ruler shell 2, and a cleaning component is installed on one side of the ruler shell 1 and the ruler shell 2 and at the top of the wear-resistant ruler opening.

[0007] Preferably, the bottom of the upper brake shoe extends to the interior of the ruler housing 1 and the ruler housing 2.

[0008] Preferably, the cleaning component includes a carrying plate, one side of which is respectively connected to the ruler shell one and the ruler shell two, a support sleeve is connected to the center of the top of the carrying plate, and a lifting rod is arranged on the top of the support sleeve.

[0009] Preferably, the bottom of the lifting rod passes through the support sleeve and the bearing plate and the threaded sleeve is provided with a screw sleeve, the bottom of the screw sleeve is connected with an arc-shaped cleaning plate, and the screw thread on the outside of the lifting rod is opened at the bottom of the outside.

[0010] Preferably, a rotating sleeve is provided at the top of the outside of the lifting rod through a bearing second movable sleeve, the top of the lifting rod is connected with a rotating disk, the outer sleeve of the lifting rod is provided with a spring, the top of the spring is connected to the bottom of the rotating sleeve, the bottom of the spring is connected to the top of the support sleeve, and the outside of the lifting rod is in sliding contact with the inner wall of the support sleeve.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model cooperates with the aluminum core shaft, the bearing and the ruler core. When the ruler tape of the measuring tape is pulled out, the bearing drives the measuring tape to rotate, and other components do not rotate, so that the overall movement of pulling out and recovering the ruler tape is smoother, with less noise and lower overall cost of the measuring tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the axonometric drawing of the structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A top view of

[0015] Figure 3 This is an exploded view of the structure of the utility model;

[0016] Figure 4 For this utility model Figure 3 A top view of

[0017] Figure 5 This is the axonometric diagram of the cleaning component structure of the utility model;

[0018] Figure 6 For this utility model Figure 5 Bottom view of .

[0019] In the figure: 1. Ruler shell 1; 2. Ruler shell 2; 3. Cleaning component; 31. Loading plate; 32. Arc cleaning plate; 33. Support sleeve; 34. Rotating plate; 35. Lifting rod; 36. Spring; 37. Screw sleeve; 38. Rotating sleeve; 4. Upper brake block; 5. Wear-resistant ruler mouth; 6. Bottom brake block; 7. Aluminum core shaft; 8. Bearing 1; 9. Ruler core. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-Figure 6A tape measure with a bearing on its ruler core shaft comprises a ruler shell 1 and a ruler shell 2, the inner walls of the ruler shell 1 and the inner walls of the ruler shell 2 are clamped together, an aluminum core shaft 7 is inserted at the center of the inner walls of the ruler shell 1 and the ruler shell 2, a ruler core 9 is sleeved at the center of the outer part of the aluminum core shaft 7, bearings 8 are inlaid on both sides of the inner wall of the ruler core 9, the inner wall of the bearing 8 is sleeved on the outer part of the ruler core 9, an upper brake block 4 is movably installed on one side of the outer part of the ruler shell 1 and the ruler shell 2, a bottom brake block 6 is installed on one side of the bottom of the inner wall of the ruler shell 1 and the ruler shell 2, a wear-resistant ruler opening 5 is inlaid on the bottom of one side of the ruler shell 1 and the ruler shell 2, and a cleaning component 3 is installed on one side of the ruler shell 1 and the ruler shell 2 and on the top of the wear-resistant ruler opening 5.

[0022] As a technical optimization solution of the utility model, the bottom of the upper brake block 4 extends to the inside of the ruler housing 1 and the ruler housing 2 2.

[0023] As a technical optimization solution of the utility model, the cleaning component 3 includes a carrying plate 31, one side of the carrying plate 31 is respectively connected to the ruler shell 1 and the ruler shell 2, a support sleeve 33 is connected to the center of the top of the carrying plate 31, and a lifting rod 35 is arranged on the top of the support sleeve 33.

[0024] As a technical optimization solution of the utility model, the bottom of the lifting rod 35 passes through the support sleeve 33 and the bearing plate 31 and is threadedly provided with a screw sleeve 37, the bottom of the screw sleeve 37 is connected to an arc-shaped cleaning plate 32, and the screw thread on the outside of the lifting rod 35 is opened at the bottom of its outside.

[0025] As a technical optimization solution of the utility model, the top of the outside of the lifting rod 35 is provided with a rotating sleeve 38 through a bearing second movable sleeve, the top of the lifting rod 35 is connected with a rotating disk 34, the outer sleeve of the lifting rod 35 is provided with a spring 36, the top of the spring 36 is connected to the bottom of the rotating sleeve 38, the bottom of the spring 36 is connected to the top of the support sleeve 33, and the outside of the lifting rod 35 is in sliding contact with the inner wall of the support sleeve 33; through the cooperation of the rotating sleeve 38 and the support sleeve 33, the spring 36 can be supported, so that when the rotating disk 34 rotates, the spring 36 does not rotate with it.

[0026] When the utility model is in use, when the tape of the measuring tape is pulled out, the bearing 8 drives the measuring tape to rotate, and other parts do not rotate, so that the overall movement of pulling out and recovering the measuring tape is smoother, with less noise, and the overall cost of the measuring tape is low. When the scale of the measuring tape is not clear, the rotating disk 34 can be pressed downward during the process of pulling out the measuring tape so that the spring 36 of the lifting rod 35 is compressed, and the arc-shaped cleaning plate 32 is used to contact the measuring tape to clean the measuring tape. When the arc-shaped cleaning plate 32 needs to be disassembled for cleaning, the rotating disk 34 is rotated to drive the lifting rod 35 to rotate, so that the bottom of the lifting rod 35 is separated from the screw sleeve 37, and the arc-shaped cleaning plate 32 can be removed for cleaning, and it can be installed and reset after cleaning.

[0027] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A tape measure with a bearing on its spindle, comprising a tape measure housing 1 (1) and a tape measure housing 2 (2), characterized in that: The inner wall of the ruler shell 1 (1) and the inner wall of the ruler shell 2 (2) are clamped together, an aluminum core shaft (7) is inserted at the center of the inner wall of the ruler shell 1 (1) and the ruler shell 2 (2), a ruler core (9) is sleeved at the center of the outer side of the aluminum core shaft (7), bearings 1 (8) are inlaid on both sides of the inner wall of the ruler core (9), the inner wall of the bearing 1 (8) is sleeved on the outer side of the ruler core (9), an upper brake block (4) is movably installed on one side of the outer side of the ruler shell 1 (1) and the ruler shell 2 (2), a bottom brake block (6) is installed on one side of the bottom of the inner wall of the ruler shell 1 (1) and the ruler shell 2 (2), a wear-resistant ruler opening (5) is inlaid on the bottom of one side of the ruler shell 1 (1) and the ruler shell 2 (2), and a cleaning component (3) is installed on one side of the ruler shell 1 (1) and the ruler shell 2 (2) and at the top of the wear-resistant ruler opening (5).

2. A tape measure with a bearing on the tape measure spindle according to claim 1, characterized in that: The bottom of the upper brake block (4) extends to the interior of the ruler housing 1 (1) and the ruler housing 2 (2).

3. A tape measure with a bearing on the tape measure spindle according to claim 1, characterized in that: The cleaning component (3) comprises a bearing plate (31), one side of which is respectively connected to the ruler shell 1 (1) and the ruler shell 2 (2), a support sleeve (33) is connected to the center of the top of the bearing plate (31), and a lifting rod (35) is arranged on the top of the support sleeve (33).

4. A tape measure with a bearing on the tape measure spindle according to claim 3, characterized in that: The bottom of the lifting rod (35) passes through the support sleeve (33) and the bearing plate (31) and is threadedly provided with a screw sleeve (37). The bottom of the screw sleeve (37) is connected to an arc-shaped cleaning plate (32). The screw thread outside the lifting rod (35) is arranged at the bottom outside the lifting rod (35).

5. A tape measure with a bearing on the tape measure spindle according to claim 3, characterized in that: The top of the outside of the lifting rod (35) is provided with a rotating sleeve (38) through a bearing second movable sleeve, the top of the lifting rod (35) is connected to a rotating disk (34), the outside of the lifting rod (35) is provided with a spring (36), the top of the spring (36) is connected to the bottom of the rotating sleeve (38), the bottom of the spring (36) is connected to the top of the support sleeve (33), and the outside of the lifting rod (35) is in sliding contact with the inner wall of the support sleeve (33).

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