A bidirectional ruler with a fixed-point measuring function
Patent Information
- Application Number
- CN202522225265.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-21
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-21
AI Technical Summary
Existing medical measuring tapes are made of soft materials, are unidirectional and have no fixing device, rely on the operator's experience, which makes it impossible to accurately position the measurement, resulting in inaccurate measurement accuracy and easy slippage.
A bidirectional ruler was designed, comprising a main scale, a sliding scale, a flexible slide rail, and a silicone sheet. The silicone sheet slides outside the flexible slide rail to ensure fixed-point measurement. The slider and extension scale are pulled out and extended in the inner groove of the main scale. Combined with a rewinding shaft and a positioning sleeve, the sliding scale is stably stored.
It improves the accuracy and stability of measurement, ensuring that the sliding ruler does not slip or deviate during measurement. It is suitable for various departments such as burn unit, avoids the risk of secondary infection, and saves storage space.
Smart Images

Figure CN224925152U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of measuring tape technology, and in particular to a bidirectional tape with fixed-point measuring function. Background Technology
[0002] A body circumference measuring tape is a tool used to measure the dimensions of various parts of the body. It is commonly used in fields such as sewing and medicine. A medical body circumference measuring tape is a medical device specifically designed to measure the circumference of the human body. It is mainly used to obtain accurate circumference data of curved parts of the body such as chest, waist, and hips.
[0003] When measuring the circumference of a body part, first place the end of the measuring tape at the location to be measured, then follow the starting point of the measuring tape around the location to be measured, and record the measurement position by observing the data at the position that coincides with the starting point.
[0004] However, existing medical soft rulers are made of soft materials, are unidirectional and have no fixing device. They rely on the operator's experience and cannot observe whether the measured position is the corresponding position during measurement. During measurement, the material of the measuring ruler can also easily slide at the measurement position, resulting in inaccurate measurement accuracy. Therefore, this application proposes a bidirectional ruler with fixed-point measurement function. Utility Model Content
[0005] The purpose of this invention is to address the problems in the background technology where medical soft rulers are made of soft materials, are unidirectional and have no fixing device, rely on the operator's experience, cannot observe whether the measured position is the corresponding position during measurement, and are prone to sliding at the measurement position due to the material of the measuring ruler, resulting in inaccurate measurement accuracy. The invention proposes a bidirectional ruler with fixed-point measurement function.
[0006] The technical solution of this utility model is as follows: A bidirectional ruler with fixed-point measurement function includes a main ruler, a sliding ruler fixedly connected to one side of the main ruler near the end position, a soft slide rail fixedly connected to one side of the sliding ruler, the soft slide rail being arranged in an inverted "T" shape, a silicone sheet slidably connected to the outside of the soft slide rail, a plurality of silicone sheets being arranged in a linear array outside the soft slide rail, a groove being opened inside the main ruler at the end away from the sliding ruler, and an extension component being arranged inside the groove.
[0007] Optionally, the extension component includes a slider that is slidably connected inside a groove, and an extension ruler is fixedly connected to one end of the slider, the extension ruler being disposed inside the groove.
[0008] Optionally, a mounting block is fixedly connected to one end of the sliding ruler away from the main ruler. A winding shaft is provided on the outside of the mounting block. A mounting groove is provided on the winding shaft near the mounting block. The mounting block is fitted into the mounting groove.
[0009] Optionally, a rotating plate is fixedly connected to one side of the take-up shaft, a rotating shaft is fixedly connected to the side of the rotating plate away from the take-up shaft, a positioning sleeve is rotatably connected to the outside of the rotating shaft, and a take-up box is fixedly connected to the end of the positioning sleeve away from the rotating shaft.
[0010] Optionally, a positioning plate is fixedly connected to the end of the take-up shaft away from the rotating plate. The positioning plate also has an installation groove inside, and the installation groove of the positioning plate is connected to the installation groove of the take-up shaft.
[0011] Optionally, the positioning plate has a positioning groove inside, and there are four sets of positioning grooves arranged in a circular array on one side of the positioning plate. An insert is embedded inside the positioning groove, and a drive plate is fixedly connected to the side of the insert away from the positioning groove.
[0012] Optionally, the positioning groove near the drive plate is rounded, a winding handle is fixedly connected to the side of the drive plate away from the positioning groove, the drive plate is rotatably connected inside the winding box, and a control handle is fixedly connected to the outside of the winding box.
[0013] Optionally, the sliding ruler is positioned outside the main ruler, away from the main ruler, inside the winding box, and the main ruler is made of flexible TPU material.
[0014] Compared with the prior art, this application includes at least one of the following beneficial technical effects: Through the cooperation between the main scale, the slide groove, the slider, the extension scale, the sliding scale, the soft slide rail and the silicone sheet, this device adopts a method in which multiple sets of silicone sheets slide outside the soft slide rail to ensure that the sliding scale will not slide off during measurement. The slider and the extension scale are pulled out inside the slide groove opened in the main scale to effectively extend the length of the main scale, which facilitates the measurement of fixed positions and improves the measurement accuracy and stability of the sliding scale during measurement. Attached Figure Description
[0015] Figure 1 A schematic diagram of the overall structure of a bidirectional ruler with fixed-point measurement function; Figure 2 Schematic diagram of the main scale cross-section structure; Figure 3 for Figure 2 A magnified schematic diagram of the central part of the structure; Figure 4 This is a schematic diagram of the cross-sectional structure of the winding box; Figure 5 for Figure 4 Enlarged structural diagram at point A in the middle; Figure 6 This is a schematic diagram of the sliding ruler structure; Figure 7 for Figure 6 Enlarged structural diagram at point B; Figure 8 This is a schematic diagram of the cross-sectional structure of the winding shaft; Figure 9 for Figure 8 Enlarged structural diagram at point C.
[0016] Reference numerals: 1. Main scale; 2. Slide groove; 3. Slider; 4. Extension scale; 5. Sliding scale; 6. Rewind box; 7. Flexible slide rail; 8. Silicone sheet; 9. Mounting block; 10. Mounting slot; 11. Rotating plate; 12. Rotating shaft; 13. Positioning sleeve; 14. Positioning plate; 15. Positioning slot; 16. Insert block; 17. Drive plate; 18. Rewind handle; 19. Control handle; 20. Rewind shaft. Detailed Implementation
[0017] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0018] Example 1 like Figure 1 , Figure 3 and Figure 7 As shown, the present invention proposes a bidirectional ruler with fixed-point measurement function, including a main ruler 1. A sliding ruler 5 is fixedly connected to one side of the main ruler 1 near the end position. A soft slide rail 7 is fixedly connected to one side of the sliding ruler 5. The soft slide rail 7 is arranged in an inverted "T" shape. A silicone sheet 8 is slidably connected to the outside of the soft slide rail 7. There are multiple silicone sheets 8 arranged in a linear array outside the soft slide rail 7. A groove 2 is opened inside the main ruler 1 at the end away from the sliding ruler 5. An extension component is set inside the groove 2. The extension component includes a slider 3. The slider 3 is slidably connected inside the groove 2. An extension ruler 4 is fixedly connected to one end of the slider 3. The extension ruler 4 is set inside the groove 2.
[0019] Furthermore, such as Figure 5 In the middle, the sliding ruler 5 is fixedly connected to the end away from the main ruler 1 with a mounting block 9. A winding shaft 20 is provided on the outside of the mounting block 9. A mounting groove 10 is opened on the winding shaft 20 near the mounting block 9. The mounting block 9 is fitted into the mounting groove 10.
[0020] Figure 6 and Figure 9 In the middle, a rotating plate 11 is fixedly connected to one side of the take-up shaft 20, and a rotating shaft 12 is fixedly connected to the side of the rotating plate 11 away from the take-up shaft 20. A positioning sleeve 13 is rotatably connected to the outside of the rotating shaft 12, and a take-up box 6 is fixedly connected to the end of the positioning sleeve 13 away from the rotating shaft 12.
[0021] The sliding ruler 5 is located outside the main ruler 1 and inside the winding box 6. The main ruler 1 is made of flexible TPU material.
[0022] In this embodiment, during measurement, the main ruler 1 is first aligned with the measurement position. By observing the position of the measurement point to the corresponding joint or organ, the accuracy of the measurement position can be determined. After the accuracy of the measurement position is determined, the silicone sheet 8 is adjusted to slide outside the soft slide rail 7, so that the silicone sheet 8 fits the skin and ensures that the sliding ruler 5 does not deviate. If the length of the main ruler 1 is insufficient, the extension ruler 4 can be pulled out along the inside of the slide groove 2 by the slider 3, so as to ensure that the usable length of the main ruler 1 is sufficient.
[0023] The multiple adjustments of the silicone sheet 8 can be applied to more departments. For example, when used in the burn unit, the silicone sheet 8 can be adjusted to the unburned position. This way, there is a gap between the sliding ruler 5 and the soft rail 7 and the skin, ensuring that the burn area will not be accidentally touched and cause discomfort to the patient. In addition, the sliding ruler 5 will not come into direct contact with the burn area, thus avoiding the risk of secondary infection.
[0024] In use, the rotating plate 11 connected to the winding shaft 20 drives the rotating shaft 12 to rotate inside the positioning sleeve 13, which allows the sliding ruler 5 to be wound into the winding box 6 and thus wrapped around the outside of the slide groove 2 for easy measurement and observation. At the same time, the sliding ruler 5 can also save storage space by being wound into the winding box 6, and the mounting block 9 can be removed from the mounting groove 10 at any time for easy replacement of the sliding ruler 5.
[0025] It should be noted that the bidirectional ruler uses multiple sets of silicone sheets 8 to slide outside the soft slide rail 7 to ensure that the sliding ruler 5 will not slide or deviate during measurement. The slider 3 and the extension ruler 4 are pulled out inside the slide groove 2 opened in the main ruler 1 to effectively extend the length of the main ruler 1, which facilitates the measurement of fixed positions and improves the measurement accuracy and stability of the sliding ruler 5 during measurement.
[0026] Example 2 like Figure 5 As shown, based on Embodiment 1, a positioning plate 14 is fixedly connected to the end of the take-up shaft 20 away from the rotating plate 11. The positioning plate 14 also has an installation groove 10 inside, which communicates with the installation groove 10 of the take-up shaft 20. A positioning groove 15 is provided inside the positioning plate 14, with four sets of positioning grooves arranged in a circular array on one side of the positioning plate 14. An insert block 16 is fitted inside the positioning groove 15, and a drive plate 17 is fixedly connected to the side of the insert block 16 away from the positioning groove 15.
[0027] like Figure 2 , Figure 4 and Figure 8 As shown, the positioning groove 15 is rounded near the drive plate 17. A winding handle 18 is fixedly connected to the side of the drive plate 17 away from the positioning groove 15. The drive plate 17 is rotatably connected inside the winding box 6. A control handle 19 is fixedly connected to the outside of the winding box 6.
[0028] In this embodiment, when the sliding ruler 5 is inserted into the winding box 6, the drive plate 17 can be inserted along the rounded corner of the positioning groove 15 by the insert block 16. This not only restricts the mounting block 9 inside the mounting groove 10 opened by the positioning plate 14 and the winding shaft 20, but also makes it easier to control the rotation of the winding shaft 20 by controlling the rotation of the drive plate 17 through the winding handle 18.
[0029] Furthermore, during use, the operator can hold one hand on the control handle 19 and the other hand on the end of the main scale 1 near the sliding scale 5. This can effectively prevent plasticizer migration between the medical disposable gloves and the sliding scale 5, which would cause the gloves to have high friction and be inconvenient to operate. This makes it more convenient to operate the sliding scale 5 during measurement.
[0030] It should also be noted that the bidirectional ruler uses the method of inserting the insert 16 into the positioning groove 15 to block the mounting groove 10 by the drive plate 17, so as to prevent the mounting block 9 from slipping out of the mounting groove 10 and improve the stability of the sliding ruler 5 when it is wound into the winding box 6.
[0031] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A bidirectional ruler with fixed-point measurement function, comprising a main ruler (1), characterized in that: A sliding ruler (5) is fixedly connected to one side of the main ruler (1) near the end position. A soft slide rail (7) is fixedly connected to one side of the sliding ruler (5). The soft slide rail (7) is arranged in an inverted "T" shape. A silicone sheet (8) is slidably connected to the outside of the soft slide rail (7). There are multiple silicone sheets (8) arranged in a linear array outside the soft slide rail (7). A groove (2) is opened inside the main ruler (1) at the end away from the sliding ruler (5). An extension component is provided inside the groove (2).
2. A bidirectional ruler with fixed-point measurement function according to claim 1, characterized in that, The extension component includes a slider (3), which is slidably connected inside the groove (2). One end of the slider (3) is fixedly connected to an extension ruler (4), which is set inside the groove (2).
3. A bidirectional ruler with fixed-point measurement function according to claim 1, characterized in that, The sliding ruler (5) is fixedly connected to a mounting block (9) at one end away from the main ruler (1). A winding shaft (20) is provided on the outside of the mounting block (9). A mounting groove (10) is provided on the winding shaft (20) near the mounting block (9). The mounting block (9) is fitted inside the mounting groove (10).
4. A bidirectional ruler with fixed-point measurement function according to claim 3, characterized in that, A rotating plate (11) is fixedly connected to one side of the take-up shaft (20). A rotating shaft (12) is fixedly connected to the side of the rotating plate (11) away from the take-up shaft (20). A positioning sleeve (13) is rotatably connected to the outside of the rotating shaft (12). A take-up box (6) is fixedly connected to the end of the positioning sleeve (13) away from the rotating shaft (12).
5. A bidirectional ruler with fixed-point measurement function according to claim 4, characterized in that, The winding shaft (20) is fixedly connected to a positioning plate (14) at the end away from the rotating plate (11). The positioning plate (14) also has an installation groove (10) inside. The installation groove (10) of the positioning plate (14) is connected to the installation groove (10) of the winding shaft (20).
6. A bidirectional ruler with fixed-point measurement function according to claim 5, characterized in that, The positioning plate (14) has a positioning groove (15) inside. There are four sets of positioning grooves (15) arranged in a circular array on one side of the positioning plate (14). An insert (16) is fitted inside the positioning groove (15). A drive plate (17) is fixedly connected to the side of the insert (16) away from the positioning groove (15).
7. A bidirectional ruler with fixed-point measurement function according to claim 6, characterized in that, The positioning groove (15) is rounded near the drive plate (17). A winding handle (18) is fixedly connected to the side of the drive plate (17) away from the positioning groove (15). The drive plate (17) is rotatably connected inside the winding box (6). A control handle (19) is fixedly connected to the outside of the winding box (6).
8. A bidirectional ruler with fixed-point measurement function according to claim 4, characterized in that, The sliding ruler (5) is located outside the main ruler (1) and inside the winding box (6). The main ruler (1) is made of flexible TPU material.
