CN215384054U

CN215384054U - Wheel type arm circumference measuring scale and storage box with same

Info

Publication number: CN215384054U
Application number: CN202121094443.3U
Authority: CN
Inventors: 赵路; 段丽娟; 张萌; 韩兰; 张明珠
Original assignee: Beijing Chaoyang Hospital
Current assignee: Beijing Chaoyang Hospital
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-04
Anticipated expiration: 2031-05-20

Abstract

The utility model provides a wheel type arm circumference measuring scale and a storage box with the same, relates to the technical field of electronic measurement, mainly aims to solve the problem that the traditional arm circumference measurement is influenced by a manipulation and has a large error, and provides a measuring device which is simple to operate and has a small measuring error. The wheel type arm circumference measuring scale comprises a shell, a roller, a photoelectric counter, a microprocessor, an output device and a power supply, wherein the shell is of a hollow structure with an opening on one side wall, and the roller is rotatably arranged at the opening and can rotate relative to the opening under the action of external force; the roller is provided with a plurality of measuring holes, all the measuring holes are uniformly distributed in an annular shape around the axis of the roller, the photoelectric counter is fixedly arranged on the corresponding inner side wall of the shell, and when the roller rotates, the photoelectric counter can sense the pulse number of the measuring holes; the shell is also provided with an output device, the microprocessor and the power supply are positioned in the shell, and the microprocessor is electrically connected with the output device, the power supply and the photoelectric counter.

Description

Wheel type arm circumference measuring scale and storage box with same

Technical Field

The utility model relates to the technical field of electronic measurement, in particular to a wheel type arm circumference measuring scale and a storage box with the measuring scale.

Background

When a patient carrying the PICC catheter is clinically given a measuring arm circumference, a tape measure is generally adopted for measurement. The precision of the measurement method is influenced by the operation manipulation of the nursing staff, and when the measurement is performed on the same patient, the measurement result has larger error due to different measurement manipulations, so that the pre-judgment result of the medical staff on the PICC complications is influenced.

In addition, when the traditional measuring tape is used, the traditional measuring tape needs to be disinfected in order to avoid cross infection, and the common alcohol wiping disinfection can damage the digital mark of the measuring tape, so that the number of the measuring tape is not clear, and the normal use of the measuring tape is influenced.

In order to solve the above problems, simplify the operation technique and avoid measurement errors due to the measurement technique, it is necessary to develop a new upper arm measuring tool.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wheel-type arm circumference measuring scale and a storage box with the same, and aims to solve the technical problem that in the prior art, the measurement of the arm circumference of a patient is not accurate enough due to the influence of manipulations of operators. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a wheel-type arm circumference measuring scale, which comprises a shell, a roller, a photoelectric counter, a microprocessor, an output device and a power supply, wherein the shell is of a hollow structure with an opening on one side wall, and the roller is rotatably arranged at the opening and can rotate relative to the opening under the action of external force;

the roller is provided with a plurality of measuring holes, all the measuring holes are uniformly distributed in an annular shape around the axis of the roller, the photoelectric counter is fixedly arranged on the corresponding inner side wall of the shell, and when the roller rotates, the photoelectric counter can sense the pulse number of the measuring holes;

the shell is also provided with an output device, the microprocessor and the power supply are positioned in the shell, and the microprocessor is electrically connected with the output device, the power supply and the photoelectric counter.

During the use, thereby with the gyro wheel department laminating of this dipperstick to measure the arm and promote with strength and make the gyro wheel rotate, at this in-process, along with the rotation of gyro wheel, photoelectric counter can realize the count according to the pulse signal that produces of measuring hole department that senses, after this dipperstick rotated a week around patient's arm periphery side, photoelectric counter can calculate the number of turns that reachs this gyro wheel according to the data that obtain and carry this data to microprocessor department, microprocessor can calculate the arm that reachs user's measuring part according to the data that obtain and enclose, relevant data can pass through output device output.

On the basis of the technical scheme, the utility model can be further improved as follows.

As a further improvement of the utility model, a switch is arranged in the middle of the shell, and the electronic element can be started through the switch to realize normal measurement.

As a further improvement of the utility model, the switch is a concealed push switch.

As a further improvement of the utility model, the shell is also provided with a zero clearing device, and the zero clearing device is electrically connected with the microprocessor.

The data obtained by the calculation of the microprocessor and the data displayed by the output device can be cleared by pressing the clearing device, so that the subsequent measurement is convenient.

As a further improvement of the present invention, the output device is a display screen and/or a speaker, and the display screen is embedded in the housing; the loudspeaker is positioned in the shell and is provided with a sound emitting hole at the corresponding position of the shell.

As a further improvement of the utility model, a projection hole is arranged on the shell, a laser projection device is fixedly arranged at the projection hole, and the laser projection device is electrically connected with the microprocessor.

Above-mentioned laser projection equipment can throw the visible light towards a fixed direction, when guaranteeing that this dipperstick perpendicular to patient's skin is placed and throw the hole and set up upwards, this laser projection equipment can throw out the identification line that has a fixed length on patient's skin this moment. The length of the marking line is 10 cm.

Because the nursing staff need be to carrying the patient measurement arm circumference of PICC pipe, and correct arm circumference measuring position is 10cm departments on the patient's elbow cross striation, consequently utilize this sign line can guarantee that operating personnel can be accurate find the position of measuring the arm circumference.

As a further improvement of the utility model, a charging port connected with the power supply is arranged on the shell. The power supply in the housing can be charged by the charging port.

As a further improvement of the utility model, the charging port is a Type-C charging port.

As a further improvement of the utility model, an annular silica gel layer is arranged on the outer peripheral side of the roller in a surrounding manner, and the outer side wall of the silica gel layer is a rough surface.

As a further improvement of the utility model, the shell is of a discoid structure.

As a further improvement of the utility model, a memory and/or a Bluetooth device electrically connected with the microprocessor are/is also arranged in the shell.

The memory can store the measured data, and the Bluetooth device can transmit the relevant data stored in the memory to the relevant mobile device which establishes contact with the Bluetooth device.

As a further improvement of the present invention, the microprocessor includes a data processing module, and the data processing module can receive the signal transmitted by the photoelectric counter and process the signal in combination with various parameters stored in the data processing module;

the data processing module comprises an input module, a function selection module, an operation module, a zero clearing module (connected with the zero clearing device) and an output module. The input module is used for receiving signals of various sensors (including a photoelectric counter, a zero clearing device, laser projection equipment and the like); the function selection module is used for selecting a specific measurement behavior; the operation module is used for calculating the signal received by the input module; the zero clearing module is used for carrying out zero clearing processing on the measured behavior; the laser projection module is used for projecting laser; the output module is used for outputting the result obtained by the operation module, such as image output, data output, audio output and the like, so as to obtain the measurement data.

It should be noted that each sub-module of the data processing module is the prior art.

The utility model also provides a storage box with the measuring scale, which comprises the measuring scale and a storage box containing the disinfection component, wherein the storage box is of a hollow structure with an opening at one end, and when the shell is inserted into the storage box, the roller can be in direct contact with the disinfection component in the storage box.

Because the gyro wheel needs laminating patient's skin to measure, in order to avoid cross infection, need carry out disinfection to gyro wheel department, this receiver with disinfection subassembly can realize the disinfection to the gyro wheel.

As a further improvement of the utility model, the rotating shaft of the roller passes through at least one side of the shell, and when the shell is inserted into the containing box, the motor on the containing box can drive the rotating shaft to rotate and drive the roller to rotate for at least one circle relative to the disinfecting assembly.

Under the drive of motor, the gyro wheel can rotate thereupon, rotates the in-process, and the periphery side of gyro wheel can directly contact with the disinfection subassembly to guarantee that the gyro wheel can obtain perfect disinfection.

Compared with the prior art, the wheel-type arm circumference measuring scale provided by the preferred embodiment of the utility model has the advantages of simple operation and no influence of manipulation of operators, can relatively accurately realize the measurement of the arm circumference of a patient, has the advantages of automatic data recording, accurate and visual result, convenient determination of the measuring position on the patient and improvement of the operation efficiency, and can be repeatedly used for many times due to the chargeable design; in addition, compare with traditional tape measure, can make things convenient for the disinfection more, only need with it put into receiver and start the receiver motor can, can effectively avoid cross infection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a wheel-type arm circumference measuring ruler according to the present invention;

FIG. 2 is a front view of the wheeled arm circumference measuring ruler of the present invention;

FIG. 3 is a rear view of the wheeled arm circumference measuring ruler of the present invention;

FIG. 4 is a schematic cross-sectional view of the wheel-type arm circumference measuring ruler of the present invention;

FIG. 5 is a schematic view of the structure of the roller in the wheel-type arm circumference measuring ruler according to the present invention;

FIG. 6 is a schematic view of the overall structure of the storage box with the measuring ruler of the utility model;

fig. 7 is a schematic sectional structure view of the storage case in fig. 6.

In the figure: 1. a housing; 11. an opening; 2. a roller; 21. measuring a hole; 22. a rotating shaft; 3. a photoelectric counter; 4. a microprocessor; 5. a display screen; 6. a power source; 7. a concealed push switch; 8. a laser projection device; 9. a charging port; 20. a storage box; 201. a sterilizing assembly; 202. an electric motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

FIG. 1 is a schematic view of a wheel-type arm circumference measuring scale according to the present invention; when the measuring scale is used for measuring the arm circumference of a patient, the roller is ensured to be attached to the skin of the patient, after the measuring scale is started, the roller is pushed to rotate along the outer circumference of the arm of the patient with force until the roller returns to the initial position, and at the moment, the display screen on the shell can display the measured arm circumference data; meanwhile, the same mode is adopted when the measuring position is selected, and the roller does not need to be pushed to rotate at the moment.

FIG. 2 is a front view of the wheel-type arm circumference measuring scale of the present invention; the front side of the measuring scale is in a circular structure, the middle of the measuring scale is provided with a hidden press switch, a display screen capable of displaying data is arranged above the switch, a projection hole is arranged above the display screen in a fitting manner, and a laser projection device is arranged in the projection hole; the lower part of the push switch is an opening part of the shell, and the roller is exposed relative to the opening. In addition, the side edge of the shell is also provided with a charging port and a zero clearing device, and data zero clearing can be realized by pressing the zero clearing device.

FIG. 3 is a rear view of the wheeled arm circumference measuring scale of the present invention; in comparison with fig. 2, it can be seen that the rear side of the housing is provided with a pivot structure which is convex with respect to the housing and which is located on the axis of the roller.

FIG. 4 is a schematic cross-sectional view of the wheel-type arm circumference measuring scale of the present invention; a microprocessor and a power supply are arranged in the shell, and the microprocessor is made of a PCB; in addition, a plurality of measuring holes distributed annularly on the roller can be seen.

FIG. 5 is a schematic view of a roller structure of the wheel-type arm circumference measuring ruler of the present invention; the roller is integrally in a circular structure, and a silica gel ring with a rough outer ring is fixedly arranged on the outer peripheral side of the roller; in addition, a ring structure consisting of measuring holes is also arranged on the roller.

FIG. 6 is a schematic view of the overall structure of the storage box with the measuring scale; the containing box is a plate-shaped structure with an opening at the upper end and a certain thickness, and a motor structure is arranged on the outer side of the containing box.

Fig. 7 is a schematic sectional view of the storage case of fig. 6; can see that its inside is provided with can carry out the disinfection subassembly of disinfection processing to the gyro wheel, and this disinfection subassembly is located the bottom of receiver.

The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.

The utility model provides a wheel type arm circumference measuring ruler, which can rotate around the arm of a patient in the measuring process to obtain the arm circumference information of the patient compared with the traditional measuring tools such as a tape measure or a tape measure, and has the following specific structure:

this dipperstick includes casing 1, gyro wheel 2, photoelectric counter 3, microprocessor 4, output device and power 6, and wherein casing 1 is a lateral wall opening 11's hollow structure, and gyro wheel 2 rotates and sets up in opening 11 department and can rotate for opening 11 under the exogenic force, and photoelectric counter 3, microprocessor 4 and power 6 all are located inside casing 1, still are provided with an output device on casing 1. Be provided with a plurality of measuring orifices 21 on the gyro wheel 2, all measuring orifices 21 evenly arrange around the axle center annular of gyro wheel 2, and photoelectric counter 3 is fixed to be set up on the corresponding inside wall of casing 1 and towards measuring orifice 21 setting. After starting the measuring scale, the photoelectric counter 3 starts to work, when the roller 2 starts to rotate under the action of external force, the photoelectric counter 3 can sense the pulse number generated at the measuring hole 21 which moves along with the rotation of the roller 2, and the required data can be calculated by utilizing the pulse number and displayed on the display screen 5. In order to achieve the above effect, the microprocessor 4 is electrically connected with the output device, the power supply 6 and the photoelectric counter 3, and the measurement result can be output through the output device.

The photoelectric counter 3 comprises a signal transmitting end and a signal receiving end which are respectively positioned at two sides of the roller 2, and signals transmitted by the signal transmitting end can be received by the signal receiving end through the measuring hole 21. When the roller 2 rotates, a pulse signal can be generated according to the rotation of the roller 2, and corresponding data can be obtained through calculation by recording the pulse number. The photoelectric counter 3 may use laser or far infrared rays as a counting signal.

During the use, thereby the gyro wheel 2 department laminating of this dipperstick is surveyed the measuring arm and is promoted with power and make gyro wheel 2 rotate, at this in-process, along with gyro wheel 2's rotation, photoelectric counter 3 can realize the count according to the pulse signal that the measuring orifice 21 department that senses produced, after this dipperstick rotated a week around patient's arm periphery side, photoelectric counter 3 can calculate the number of turns that reachs this gyro wheel 2 according to the data that obtain and delivered this data to microprocessor 4 department, microprocessor 4 can calculate the arm that reachs user's measuring part according to the data that obtain and enclose, relevant data can pass through output device output.

It should be noted that, since the measuring scale calculates the final data through the measuring holes 21, it is necessary to ensure that the number of the measuring holes 21 is as large as possible, and the distance between two adjacent measuring holes 21 is as small as possible to ensure the accuracy of the result. Generally, the number of pulses generated by one rotation of the roller 2 is 200-300, that is, 200-300 measuring holes 21 are disposed on the roller 2 and all the measuring holes 21 are annularly arranged.

Specifically, the inner diameter of each measurement hole 21 is about 1 mm.

In order to start the measuring scale conveniently, a switch is arranged in the middle of the shell 1, and the electronic elements can be started through the switch to realize normal measuring work. That is, pressing the switch activates the power supply 6, and the power supply 6 supplies power to the microprocessor 4, the photoelectric counter 3, and the output device.

As an optional embodiment, the output device is a display screen 5 and/or a speaker, and the display screen 5 is embedded on the housing 1; the loudspeaker is positioned in the shell 1 and is provided with a sound emitting hole at a corresponding position of the shell 1.

The following describes the scheme with reference to specific embodiments.

Example 1:

the utility model provides a wheel type arm circumference measuring scale which is of a cake-shaped structure with a certain thickness and is convenient to take. The outside of this dipperstick is a

casing

1, and 1 one side middle part of casing is provided with a switch structure, and switch structure inlays above being equipped with a display screen 5, is provided with an opening 11 on the lateral wall of casing 1, and opening 11 department installs a gyro wheel 2 structure. The photoelectric counter 3, the microprocessor 4 and the power supply 6 which are electrically connected are fixedly arranged inside the shell 1, as shown in figure 4. Be provided with a plurality of measuring holes 21 on the gyro wheel 2, all measuring holes 21 evenly arrange around the axle center annular of gyro wheel 2, and photoelectric counter 3 is fixed to be set up on the inside wall of opening 11 and towards measuring hole 21 setting. After starting the measuring scale by pressing the switch structure, the photoelectric counter 3 starts to work, and the use mode is as shown in fig. 1: when the roller 2 starts to rotate under the action of external force, the photoelectric counter 3 can sense the pulse number generated at the position of the measuring hole 21 moving along with the rotation of the roller 2, the required data can be calculated by utilizing the pulse number, and the corresponding data is displayed on the display screen 5.

The structure of the roller 2 is shown in fig. 5.

As an alternative embodiment, the switch is a concealed push switch 7.

For convenience, the microprocessor 4 includes a data processing module, which can receive the signal transmitted by the photoelectric counter 3 and process it in combination with various parameters stored in the data processing module.

Specifically, the data processing module comprises an input module, an operation module and an output module. The input module is used for receiving signals or data input by the photoelectric counter 3; the operation module is used for calculating the signals or data received by the input module; the output module is used for outputting the result obtained by the operation module to the display screen 5, and at the moment, an operator can obtain the measurement data.

In addition, as an alternative embodiment, a speaker or other structures electrically connected to the microprocessor 4 may be mounted on the housing 1, and the data output by the output module may also be output through an output device such as a speaker.

In consideration of the requirement of the measuring scale for repeated use, as an optional implementation mode, the shell 1 is further provided with a zero clearing device electrically connected with the microprocessor 4, and the zero clearing device can be pressed to clear data obtained by calculation of the microprocessor 4 and data displayed by the display screen 5, so that the measuring scale is convenient for subsequent measurement and use. At this moment, the data processing module also comprises a zero clearing module which can be connected with the zero clearing device, when the zero clearing device is pressed, the zero clearing module can clear the result output by the output module, and can clear the data at the computing module to facilitate the subsequent measurement and computation.

In an alternative embodiment, the housing 1 is provided with a charging port 9 connected to the power source 6. The power supply 6 in the housing 1 can be charged by the charging port 9. In this case, the power source 6 is a rechargeable battery.

As an alternative embodiment, the charging port 9 is a Type-C charging port 9.

As an optional embodiment, a memory and/or a bluetooth device electrically connected with the microprocessor 4 are also arranged in the housing 1.

The memory can store the measured data, and the Bluetooth device can transmit the relevant data stored in the memory to the relevant mobile device (such as a mobile phone, a notebook computer and the like) which establishes contact with the Bluetooth device.

In order to guarantee that the accuracy of the measured data cannot be influenced by the problems of slipping and the like when the roller 2 rotates, as an optional implementation mode, the outer peripheral side of the roller 2 is provided with an annular silica gel layer in a surrounding mode, and the outer side wall of the silica gel layer is a rough surface with a good anti-slipping effect.

Example 2:

the present embodiment 2 is different from embodiment 1 in that: the embodiment provides a wheel type arm circumference measuring scale with a marking function, the external structure of the measuring scale is shown in fig. 2, and besides the related structure mentioned in embodiment 1, other structures exist on the shell 1.

As an alternative embodiment, the housing 1 is provided with a projection hole, a laser projection device 8 is fixedly arranged at the projection hole, and the laser projection device 8 is electrically connected with the microprocessor 4.

As shown in fig. 2, the projection hole is located above the display screen 5, the laser projection device 8 can project visible laser toward a fixed direction, and when the measuring ruler is ensured to be placed perpendicular to the skin of the patient and the projection hole is arranged upward, the laser projection device 8 can project an identification line with a fixed length on the skin of the patient. The length of the marking line is 10 cm. The device can conveniently project an identification line with fixed length on the arm of a patient by using the laser projection device 8.

Therefore, the measuring scale provided by the embodiment has a function of accurately positioning the measuring position of the patient besides measuring the length of the arm circumference of the patient, and the use mode is as shown in fig. 1: only need with this dipperstick perpendicular and patient's upper arm skin place and guarantee that laser projection equipment 8 is located the dipperstick upper end can, because the size of this laser projection equipment 8 orientation skin position slope downward projection and this dipperstick is fixed, the sign line length that consequently throws out is fixed, can confirm the measuring position through observing the sign line.

In order to adapt to different measurement requirements conveniently, the projected mark lines are provided with scales and data marks, and at the moment, an operator can select the position to be measured according to actual needs.

In order to meet the above purpose, the data processing module in the microprocessor 4 specifically includes an input module, an operation module, a zero clearing module, and an output module. The input module is used for receiving signals of various sensors (including a photoelectric counter 3, a laser projection device 8 and the like); the operation module is used for calculating the signal received by the input module; the zero clearing module is used for carrying out zero clearing processing on the measured behavior; the output module is used for outputting the result obtained by the operation module to the display screen 5 or other output devices (such as a loudspeaker, etc.), and at the moment, an operator can obtain the measurement data.

As an optional implementation, the data processing module in the microprocessor 4 may further include a function selection module, and activate the corresponding sensor according to the selected function, so as to achieve the effect of prolonging the endurance time of the measuring ruler.

Specifically, the function selection module is configured to select a specific measurement function: the arm circumference measuring device comprises a position selecting function and a length measuring function, when the position selecting function is selected, the laser projection equipment 8 is started, and an operator can select a specific arm circumference measuring position; when the length strategy function is selected, the photoelectric counter 3 is started and the operator can obtain arm circumference data of the patient.

By utilizing the structure, the arm circumference data of the patient can be conveniently obtained, meanwhile, the influence of an operation method is avoided, the result is accurate and visual, and the operation is convenient.

Example 3:

the present embodiment provides a storage box 20 structure with the above-mentioned wheel-type arm circumference measuring ruler, the storage box 20 structure is a hollow structure with one open end, and a disinfection component 201 is arranged in the storage box, and the structure is shown in fig. 6-7. When the measuring scale roller 2 is partially inserted into the storage box 20 downward, the roller 2 can be in direct contact with the sterilizing assembly 201 located in the storage box 20 just, thereby achieving the sterilizing process.

Because roller 2 need laminate patient's skin and measure, in order to avoid cross infection, need locate to carry out disinfection treatment to roller 2, this receiver 20 with disinfection subassembly 201 can realize the disinfection treatment to roller 2.

Specifically, the disinfecting assembly 201 is a disinfecting cotton or a disinfecting wet tissue soaked with a disinfecting liquid such as alcohol.

Example 4:

embodiment 4 provides a novel wheeled arm encloses dipperstick structure and rather than 20 structures of assorted receiver: compared with embodiment 2 or embodiment 1, the back side of the measuring ruler is provided with a rotating shaft 22 structure, and the rotating shaft 22 structure is fixedly connected with the roller 2 and protrudes relative to the shell 1, as shown in fig. 3. When the roller 2 rotates, the rotating shaft 22 also rotates synchronously therewith. The corresponding side of the receiving box 20 is provided with a space-saving portion for inserting the rotating shaft 22, and a motor 202 structure is arranged outside the space-saving portion.

The receding part can be a strip-shaped groove structure.

When the measuring ruler is inserted into the storage box 20, the motor 202 on the storage box 20 is connected with the rotating shaft 22 and can drive the rotating shaft 22 to rotate for at least one circle, and in the process, the roller 2 rotates synchronously. Because the periphery side of the roller 2 can be directly contacted with the disinfection component 201, the roller 2 can be ensured to be perfectly disinfected.

For convenience, as an alternative embodiment, the section of the rotating shaft 22 is rectangular, triangular or other structures.

It should be noted that the motor 202 is provided with a starting device, and the motor 202 can be started to operate and drive the rotating shaft 22 to rotate only after the starting device is started.

As an alternative embodiment, the rotating shaft 22 of the roller 2 is disposed through at least one side of the housing 1, and when the housing 1 is inserted into the storage box 20, the motor 202 located on the storage box 20 can drive the rotating shaft 22 to rotate and drive the roller 2 to rotate for at least one circle relative to the sterilizing assembly 201.

Compare with traditional tape measure measurement, this receiver 20's design can conveniently disinfect the dipperstick, effectively avoids cross infection.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The wheel type arm circumference measuring scale is characterized by comprising a shell (1), a roller (2), a photoelectric counter (3), a microprocessor (4), an output device and a power supply (6), wherein the shell (1) is of a hollow structure with a side wall opening (11), and the roller (2) is rotatably arranged at the opening (11) and can rotate relative to the opening (11) under external force;

the roller (2) is provided with a plurality of measuring holes (21), all the measuring holes (21) are uniformly distributed in an annular shape around the axis of the roller (2), the photoelectric counter (3) is fixedly arranged on the corresponding inner side wall of the shell (1), and when the roller (2) rotates, the photoelectric counter (3) can sense the pulse number of the measuring holes (21);

the shell (1) is further provided with an output device, the microprocessor (4) and the power supply (6) are located in the shell (1), and the microprocessor (4) is electrically connected with the output device, the power supply (6) and the photoelectric counter (3).

2. The wheel-type arm circumference measuring scale according to claim 1, wherein a zero clearing device is further disposed on the housing (1), and the zero clearing device is electrically connected with the microprocessor (4).

3. The wheeled arm circumference measuring ruler of claim 1, wherein said output device is a display screen (5) and/or a speaker, said display screen (5) being embedded on said housing (1); the loudspeaker is positioned in the shell (1) and a sound emitting hole is formed in the corresponding position of the shell (1).

4. The wheel-type arm circumference measuring scale according to claim 1, wherein a projection hole is arranged on the housing (1), a laser projection device (8) is fixedly arranged at the projection hole, and the laser projection device (8) is electrically connected with the microprocessor (4).

5. The wheeled arm circumference measuring ruler of claim 1, wherein said housing (1) is provided with a charging port (9) connected to said power source (6).

6. The wheel-type arm circumference measuring scale according to claim 1, wherein an annular silica gel layer is circumferentially arranged on the outer peripheral side of the roller (2), and the outer side wall of the silica gel layer is a rough surface.

7. The wheeled arm circumference measuring ruler of claim 1, wherein said housing (1) is of discoid configuration.

8. The wheeled arm circumference measuring ruler of claim 1, wherein said housing (1) is further provided with a memory and/or a bluetooth device electrically connected to said microprocessor (4).

9. A wheeled arm circumference measuring ruler and a storage box with the same, characterized in that the ruler comprises the wheeled arm circumference measuring ruler of any one of claims 1-8 and the storage box (20) containing a disinfection component (201), the storage box (20) is a hollow structure with one open end, and when the shell (1) is inserted into the storage box (20), the rollers (2) can be in direct contact with the disinfection component (201) in the storage box (20).

10. A wheeled arm circumference measuring ruler and a storage box with the same as claimed in claim 9, wherein the rotation shaft (22) of the roller (2) is disposed through at least one side of the housing (1), when the housing (1) is inserted into the storage box (20), the motor (202) on the storage box (20) can drive the rotation shaft (22) and the roller (2) to rotate at least one circle relative to the disinfection component (201).