CN212415730U - Multifunctional measuring instrument for elderly malnutrition prevention and control intervention - Google Patents

Abstract

The utility model relates to a multifunctional measuring instrument used for the prevention and control of malnutrition in the elderly, comprising a base, a weight scale is arranged in the base, two vertical sliding rods are arranged at the rear of the base, and the lower ends of the vertical sliding rods are fixed on the base, A top plate is fixedly installed on the upper end of the vertical sliding rod, a servo motor is installed on the top plate, a vertical screw rod is arranged between the two vertical sliding rods, and the upper end of the vertical screw rod passes through the top plate and is connected with the output shaft of the servo motor. A lifting frame is installed on the vertical sliding rod and the vertical screw rod, and the servo motor drives the lifting frame to rise and fall; the two ends of the lifting frame are provided with arms extending forward, and two sets of symmetrically arranged multi-units are installed on the two arms. Functional measuring device, multi-functional measuring device includes height measuring device, girth measuring ruler and skinfold thickness gauge. The utility model has ingenious structure and reasonable design, can quickly realize comprehensive measurement of physical parameters of patients everywhere, and the measurement results are more accurate, and the operation is very convenient without the need for elderly patients to walk back and forth.

Description

Multifunctional measuring instrument for preventing, controlling and intervening senile malnutrition

Technical Field

The utility model belongs to the technical field of the measuring instrument technique and specifically relates to a multi-functional measuring apparatu that is used for old malnutrition prevention and control intervention to belong to measuring instrument technical field.

Background

Malnutrition is a common senile syndrome with a very high incidence in elderly patients. Nutritional survey results on nationwide elderly patients show that the incidence of malnutrition is about 15% and the risk of malnutrition is 50%, i.e., 2/3 elderly patients have malnutrition problems. The nutritional status of elderly patients is closely related to clinical outcome, and malnutrition can lead to prolonged hospital stay, increased postoperative complications, functional dependence, infection and increased mortality. In the prevention and control intervention of the senile malnutrition, in order to reduce a series of acquired problems caused by the senile malnutrition, promote the rapid rehabilitation of diseases and maintain good functions, the clinical nutrition state of the senile patients needs to be accurately evaluated.

In the evaluation of nutritional status, not only diet survey, understanding of disease and medication history and nutritional-related clinical symptoms, but also physical examination are required. In physical examination, it is important to measure physical data such as height, weight, arm circumference, leg circumference, and skin fold thickness, which can both evaluate the nutritional status of a patient and monitor the effect of nutritional intervention.

At present, most of measurement means for the physical condition of the elderly patients adopt manual measurement, and doctors record measured results. Such a method has the following problems in the measurement of physical constitution of an elderly patient: 1. although instruments capable of measuring height and weight simultaneously exist, various tools are needed for measuring the rest physical data, so that the measuring process is quite complicated; 2. most of old patients have the problem of bradykinesia, the coordination is difficult, some old people have the problem of poor hearing, and great efforts are sometimes needed to communicate guidance; 3. the measurement error is large, and the accuracy of the clinical nutrition state assessment is influenced.

Disclosure of Invention

The utility model aims to overcome the not enough of existence among the prior art, provide a multi-functional measuring apparatu for old malnutrition prevention and control intervention, its structure is ingenious, and reasonable in design can realize comprehensive measurement to patient's physical parameters everywhere fast, and the measuring result is also more accurate, need not make a round trip to walk the cooperation by old patient moreover, and it is very convenient to operate.

According to the utility model provides a technical scheme: a multi-functional measuring apparatu for old age malnutrition prevention and control is intervened, the on-line screen storage device comprises a base, be provided with the personal weighing scale in the base, its characterized in that: the lifting mechanism comprises a base, a lifting frame and a lifting frame, wherein the rear part of the base is provided with two vertical slide rods, the lower ends of the vertical slide rods are fixed on the base, the upper ends of the vertical slide rods are fixedly provided with a top plate, the top plate is provided with a servo motor, a vertical lead screw is arranged between the two vertical slide rods, the lower ends of the vertical lead screw are rotatably arranged on the base, the upper ends of the vertical lead screw penetrate through the top plate and are connected with an output shaft of the servo motor, the vertical slide rods and the vertical lead screw are provided with the lifting frame, the middle part of the lifting frame is provided with a vertical lead screw hole; the projection shape of the lifting frame is U-shaped, two ends of the lifting frame are provided with support arms extending forwards, and two sets of multifunctional measuring devices which are symmetrically arranged are arranged on the two support arms; multifunctional measuring device includes horizontal lead screw, horizontal slide bar, adjust knob, mounting bracket, height caliber, girth dipperstick and skin fold thickness gauge, horizontal lead screw hole and horizontal slide bar hole have been seted up on the support arm, horizontal lead screw and horizontal slide bar correspond to assemble in horizontal lead screw hole and horizontal slide bar downthehole, adjust knob threaded mounting is on horizontal lead screw, and adjust knob's edge exposes from the grooving of support arm upper surface, mounting bracket fixed mounting is in the inner of horizontal lead screw and horizontal slide bar, height caliber, girth dipperstick and skin fold thickness gauge are all installed on the mounting bracket.

As a further improvement of the utility model, the circumference measuring scale comprises a shell, a mandrel, a rotating ring, a ruler belt, a volute spiral spring, a permanent magnet, a magnetic field sensor, a microcontroller, a display screen and a battery, wherein the shell is flatly placed and fixedly installed on the upper surface of the mounting rack, and an opening for the ruler belt to extend out is formed on the inward side surface of the shell; the mandrel is arranged in the shell, and the upper end and the lower end of the mandrel are respectively fixed on the upper surface and the lower surface of the shell; the mandrel is sleeved with a rotating ring, an annular table is arranged on the inner wall of the middle part of the rotating ring, and the annular table is rotatably connected to the middle part of the mandrel; an upper mounting cavity is formed between the upper part of the rotating ring and the upper part of the mandrel, the volute spiral spring is wound in the upper mounting cavity, the inner end of the volute spiral spring is fixedly connected with the mandrel, and the outer end of the volute spiral spring is fixedly connected with the rotating ring; the inner end of the tape is wound on the lower part of the rotating ring, and the head end of the tape extends out of the opening on the shell; the magnetic field sensor and the microcontroller are mounted on the shell, the magnetic field sensor is connected with the microcontroller, the magnetic field sensor is used for detecting the rotation angle of the rotating ring and outputting an analog voltage signal, the microcontroller is used for receiving the analog voltage signal and calculating the extension length of the tape according to the analog voltage signal, the display screen is mounted on the outer wall of the shell and connected with the microcontroller, the extension length of the tape calculated by the microcontroller is displayed in real time through the display screen, and the battery is connected with the magnetic field sensor, the microcontroller and the display screen respectively to provide electric energy.

As a further improvement, the buckle is installed to the head end of chi area, set up on the casing lateral wall can with buckle joint complex draw-in groove.

As a further improvement, the girth dipperstick still includes wireless communication module, wireless communication module installs in installation intracavity down, and wireless communication module is connected with microcontroller, and wireless communication module can be connected with external smart machine signal.

As a further improvement, the upper surface of casing is provided with power button, locking button, record and looks over the button of turning over on, the record looks over down the button and the unit sets up the button, and each button is connected with microcontroller respectively, can be to microcontroller input control information through the control button.

As a further improvement of the utility model, the ruler belt is provided with length scales.

As a further improvement of the utility model, the height measuring device comprises a telescopic cross rod, a limit switch and a distance measuring instrument, the telescopic cross rod is installed on the inner side edge of the mounting frame, the telescopic cross rod can be horizontally and transversely stretched, the limit switch is installed at the head end of the telescopic cross rod, and the limit switch is electrically connected with the servo motor; the distancer is installed at the leading flank of mounting bracket, and the screen of distancer is forward, and the transmission head of distancer is just down to the upper surface of base perpendicularly.

As a further improvement, the vertical slide bar is provided with height scales, the crane is provided with an indication arrow head matched with the height scales.

As a further improvement, the skin fold thickness meter is hung on the mounting bracket through the connecting wire, and the mounting bracket is provided with a placing cavity for placing the skin fold thickness meter.

As a further improvement, the base is internally provided with a rotary platform, and the weighing scale is fixedly arranged on the rotary platform.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses the structure is ingenious, and reasonable in design through setting up crane and multi-functional measuring device, and old patient only needs to stand on the personal weighing scale of base, and the crane moves once from the top down, just can utilize multi-functional measuring device to realize measuring comprehensively to patient everywhere physique parameter, and measuring result is also more accurate, need not make a round trip to walk the cooperation by old patient moreover, and it is very convenient to operate.

2) The utility model provides a enclose degree dipperstick design benefit can conveniently carry out accurate audio-visual measurement to data such as old patient's arm encloses, waistline, leg encloses, and data can show through the display screen display in real time, make things convenient for survey crew reading and record.

Drawings

Fig. 1 is a front view of the structure of the embodiment of the present invention.

Fig. 2 is a structural side view of the embodiment of the present invention.

Fig. 3 is a top view of the structure of the embodiment of the present invention.

Fig. 4 is a structural sectional view of the circumference measuring scale in the embodiment of the present invention.

Fig. 5 is a structural plan view of the circumference measuring scale in the embodiment of the present invention.

Fig. 6 is a schematic circuit diagram of the circumference measuring scale in the embodiment of the present invention.

Description of reference numerals: 1-base, 2-body weight scale, 3-vertical slide bar, 4-vertical screw rod, 5-top plate, 6-servo motor, 7-lifting rack, 7 a-supporting arm, 8-horizontal screw rod, 9-horizontal slide bar, 10-adjusting knob, 11-mounting rack, 11 a-placing cavity, 12-height measuring device, 12.1-telescopic cross bar, 12.2-limit switch, 12.3-distance measuring instrument, 13-circumference measuring scale, 13.1-shell, 13.2-core shaft, 13.3-rotating ring, 13.3 a-annular table, 13.4-tape, 13.5-volute spring, 13.6-permanent magnet, 13.7-magnetic field sensor, 13.8-microcontroller, 13.9-display screen, 13.10-battery, 13.11-buckle, 13.12-clamping groove, 13.13-wireless communication module, 13.14-power key, 13.15-locking key, 13.16-record view upturning key, 13.17-record view downturning key, 13.18-unit setting key, 14-skin fold thickness meter and 15-connecting line.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in fig. 1-3, the embodiment discloses a multifunctional measuring instrument for preventing and controlling the intervention of senile malnutrition, which comprises a base 1, wherein a weight scale 2 is arranged in the base 1, two vertical slide bars 3 are arranged at the rear part of the base 1, the lower ends of the vertical slide bars 3 are fixed on the base 1, the upper ends of the vertical slide bars 3 are fixedly provided with a top plate 5, a servo motor 6 is arranged on the top plate 5, a vertical screw rod 4 is arranged between the two vertical slide bars 3, the lower ends of the vertical screw rods 4 are rotatably arranged on the base 1, the upper ends of the vertical screw rods 4 penetrate through the top plate 5 and are connected with an output shaft of the servo motor 6, lifting frames 7 are arranged on the vertical slide bars 3 and the vertical screw rods 4, the middle parts of the lifting frames 7 are provided with vertical screw rod holes and vertical slide rod holes, the lifting frames 7 are arranged on the, when the servo motor 6 operates, the vertical screw rod 4 is driven to rotate and the lifting frame 7 is driven to move up and down; the projection shape of the lifting frame 7 is U-shaped, two ends of the lifting frame 7 are provided with support arms 7a extending forwards, and two sets of multifunctional measuring devices which are symmetrically arranged are arranged on the two support arms 7 a; multifunctional measuring device includes horizontal lead screw 8, horizontal slide bar 9, adjust knob 10, mounting bracket 11, height caliber 12, girth dipperstick 13 and skin pleat thickness gauge 14, horizontal lead screw hole and horizontal slide bar hole have been seted up on support arm 7a, horizontal lead screw 8 and horizontal slide bar 9 correspond to assemble in horizontal lead screw hole and horizontal slide bar downthehole, adjust knob 10 threaded mounting is on horizontal lead screw 8, and adjust knob 10's edge exposes from the grooving of support arm 7a upper surface, mounting bracket 11 fixed mounting is in the inner of horizontal lead screw 8 and horizontal slide bar 9, height caliber 12, girth dipperstick 13 and skin pleat thickness gauge 14 are all installed on mounting bracket 11.

When the device is used specifically, a patient needing to measure the physical data stands on the body weight scale 2 in the base 1, two arms naturally hang on two sides of the body, and the body weight data can be measured by the body weight scale 2; in an initial state, the lifting frame 7 is located at the highest point, when measurement is started, a measurer turns on a switch to start the servo motor 6, the servo motor 6 drives the lifting frame 7 to slowly descend, when the lifting frame 7 descends to a position close to the head, the lifting frame 7 is stopped temporarily, and the measurer can quickly measure height data by using the height measurer 12; then the lifting frame 7 continues to descend, when the lifting frame 7 descends to a position close to the upper arm, the lifting frame 7 is suspended again, a measurer can measure the circumference of the upper arm by using a circumference measuring scale 13, and can measure the thickness of the skin fold of the brachiocephalic triceps muscle part of the upper arm and the lower angle part of the shoulder blade by using a skin fold thickness meter 14, if the patient is thin and weak, the multifunctional measuring device can be moved inwards by rotating the adjusting knob 10, otherwise, if the patient is fat, the multifunctional measuring device can be adjusted to move outwards; after the measurement of the upper arm circumference and the skin fold thickness is completed, the lifting frame 7 continues to descend, and stops at the positions needing to be measured, such as the lower arm, the waist and the abdomen, the thigh, the shank and the like in sequence, a measurer can measure the circumference data of each position by using the circumference measuring scale 13, and when the data are measured, the position of the multifunctional measuring device can be flexibly adjusted as required. Therefore, the lifting frame 7 runs once from top to bottom, so that the multifunctional measuring device can be used for comprehensively measuring the physical parameters of all parts of the patient, and the operation is very convenient.

As shown in fig. 4 to 6, in this embodiment, the circumference measuring scale 13 includes a housing 13.1, a spindle 13.2, a rotating ring 13.3, a scale belt 13.4, a spiral spring 13.5, a permanent magnet 13.6, a magnetic field sensor 13.7, a microcontroller 13.8, a display 13.9 and a battery 13.10, the housing 13.1 is flatly placed and fixedly mounted on the upper surface of the mounting bracket 11, and an opening for extending the scale belt 13.4 is formed on the inward side surface of the housing 13.1; the mandrel 13.2 is arranged in the shell 13.1, and the upper end and the lower end of the mandrel 13.2 are respectively fixed on the upper surface and the lower surface of the shell 13.1; a rotating ring 13.3 is sleeved on the mandrel 13.2, an annular table 13.3a is arranged on the inner wall of the middle part of the rotating ring 13.3, and the annular table 13.3a is rotatably connected to the middle part of the mandrel 13.2; an upper mounting cavity is formed between the upper part of the rotating ring 13.3 and the upper part of the mandrel 13.2, the scroll spring 13.5 is wound in the upper mounting cavity, the inner end of the scroll spring 13.5 is fixedly connected with the mandrel 13.2, and the outer end of the scroll spring 13.5 is fixedly connected with the rotating ring 13.3; the inner end of the tape 13.4 is wound on the lower part of the rotating ring 13.3, and the head end of the tape 13.4 extends out of an opening on the shell 13.1; a lower installation cavity is formed between the lower part of the rotating ring 13.3 and the lower part of the mandrel 13.2, the permanent magnet 13.6, the magnetic field sensor 13.7, the microcontroller 13.8 and the battery 13.10 are arranged in the lower installation cavity, the permanent magnet 13.6 is embedded on the inner wall of the lower part of the rotating ring 13.3, the magnetic field sensor 13.7 and the microcontroller 13.8 are installed on the shell 13.1, the magnetic field sensor 13.7 is connected with the microcontroller 13.8, the magnetic field sensor 13.7 is used for detecting the rotating angle of the rotating ring 13.3 and outputting an analog voltage signal, the microcontroller 13.8 is used for receiving the analog voltage signal and calculating the extension length of the tape 13.4 according to the analog voltage signal, the display screen 13.9 is installed on the outer wall of the shell 13.1, the display screen 13.9 is connected with the microcontroller 13.8, the extension length of the tape 13.4 calculated by the microcontroller 13.8 is displayed in real time through the display screen 13.9, and the battery 13.10 is respectively connected with the magnetic field sensor 13.7, the microcontroller 13.8 and the display screen 13.9 to provide electric energy.

So set up, during the measurement, hold the tape 13.4 head end, pull out tape 13.4 from casing 13.1, tape 13.4 drives swivel 13.3 and rotates around dabber 13.2 when stretching out, and drive spiral spring 13.5 when swivel 13.3 rotates and tighten up gradually, and tape 13.4 wraps up a round around the position surveyed. If the tape 13.4 is too long, the core 13.2 will be driven by the restoring force of the spiral spring 13.5 to rotate reversely, and the tape 13.4 will be pulled back and convoluted on the rotating ring 13.3, so that the tape 13.4 will wrap the measured part with proper tightness for one circle. In the process, the permanent magnet 13.6 can rotate along with the rotation of the rotating ring 13.3, the size of a magnetic field generated by the permanent magnet 13.6 at the position of the magnetic field sensor 13.7 is changed, the magnetic field sensor 13.7 detects the magnetic field generated by the permanent magnet 13.6 in real time and outputs an analog voltage signal, the microcontroller 13.8 receives the analog voltage signal, the rotating angle of the rotating ring 13.3 is calculated to obtain arm circumference data, and the arm circumference data is displayed through the display screen 13.9 in real time, so that the reading and the recording of a measurer are facilitated.

As shown in fig. 4 and 5, in this embodiment, a buckle 13.11 is installed at the head end of the tape 13.4, and a clamping groove 13.12 capable of being in clamping fit with the buckle 13.11 is formed on the side wall of the housing 13.1. So set up, after the tape 13.4 pulled out and around the position parcel round of measurationing, can be with the buckle 13.11 and the draw-in groove 13.12 quick block of tape 13.4 head end, be fixed in measurationing position with tape 13.4 on, need not pull tape 13.4 again this moment, measurement personnel can conveniently carry out other operations, if be close to the reading, record information etc..

As shown in fig. 4, in this embodiment, the circumference measuring scale 13 further includes a wireless communication module 13.13, the wireless communication module 13.13 is installed in the lower installation cavity, the wireless communication module 13.13 is connected to the microcontroller 13.8, and the wireless communication module 13.13 can be in signal connection with an external smart device. So set up, wireless communication module 13.13 and external smart machine [ monitoring host computer etc. ] signal connection, the personnel of convenient special record look over measured data.

As shown in fig. 5, in this embodiment, the upper surface of the housing 13.1 is provided with a power key 13.14, a lock key 13.15, a record view upturning key 13.16, a record view downturning key 13.17, and a unit setting key 13.18, each of which is connected to the microcontroller 13.8, and control information can be input to the microcontroller 13.8 through the control key. With the arrangement, the digital display function of the circumference measuring scale 13 can be started by operating the power supply key 13.14, and the measured data can be temporarily locked by operating the locking key 13.15, so that the measured data are not changed any more and are convenient to record; the checking data can be conveniently searched by operating the record viewing upturning key 13.16 and the record viewing downturning key 13.17; the operation unit setting keys 13.18 can set size units according to requirements, such as centimeter, inch and the like.

In addition, in the utility model discloses in, preferably be provided with the length scale on the chi area 13.4, be convenient for like this real-time reading. The annular table 13.3a and the mandrel 13.2 are preferably in rotary connection through a bearing, so that when the measuring scale is used, the tape 13.4 is pulled out and retracted more flexibly and is not easy to clamp.

As shown in fig. 1, in this embodiment, the height measuring device 12 includes a telescopic cross bar 12.1, a limit switch 12.2 and a distance measuring device 12.3, the telescopic cross bar 12.1 is installed on the inner side edge of the mounting frame 11, the telescopic cross bar 12.1 can be horizontally and transversely stretched, the limit switch 12.2 is installed at the head end of the telescopic cross bar 12.1, and the limit switch 12.2 is electrically connected with the servo motor 6; the distancer 12.3 is installed at the leading flank of mounting bracket 11, and distancer 12.3's screen is forward, and the transmission head of distancer 12.3 is just facing the upper surface of base 1 perpendicularly downwards.

So set up, when measuring the height, pull out telescopic horizontal pole 12.1 earlier, crane 7 descends slowly, when telescopic horizontal pole 12.1 pressed the head of being surveyed the patient, limit switch 12.2 was triggered and control servo motor 6 stops, crane 7 time-out descends, the reading on the distancer 12.3 screen this moment is exactly patient's height, it is very directly perceived convenient to measure, limit switch 12.2 and distancer 12.3 of here can all directly adopt the mature product among the prior art.

In addition, as preferred, be provided with the height scale on the vertical slide bar 3, be equipped with the instruction arrow head with height scale complex on the crane 7. So configured, a visual reading can also be made when the rangefinder 12.3 fails.

As shown in fig. 1, in the present embodiment, the skin fold thickness meter 14 is hung on the mounting frame 11 through a connecting line 15, and the mounting frame 11 is opened with a placing cavity 11a for placing the skin fold thickness meter 14. So set up, can make skin fold thickness gauge 14 obtain well to settle, can not rock along with the removal of crane 7.

As shown in fig. 3, in this embodiment, a rotating platform is disposed in the base 1, and the weighing scale 2 is fixedly mounted on the rotating platform. So set up, when needs measure patient back skin fold thickness, only need operate rotary platform to drive the patient turn round can, to some old patients that move about inconveniently need the auxiliary stay, it is more convenient when measuring the skin fold parameter. The body weight scale 2 is preferably provided with foot position indicating marks which can accurately indicate the standing position.

In addition, the both ends of crane 7 can also install the electron gripe dynamometer respectively, when patient's the station on personal weighing scale 2, can utilize the electron gripe dynamometer to measure patient's both hands gripe power simultaneously.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims (10)

1. A multi-functional measuring apparatu for old age malnutrition prevention and control is intervened, including base (1), be provided with body weight scale (2), its characterized in that in base (1): the lifting mechanism is characterized in that two vertical sliding rods (3) are arranged at the rear part of the base (1), the lower ends of the vertical sliding rods (3) are fixed on the base (1), a top plate (5) is fixedly installed at the upper ends of the vertical sliding rods (3), a servo motor (6) is installed on the top plate (5), a vertical lead screw (4) is arranged between the two vertical sliding rods (3), the lower ends of the vertical lead screws (4) are rotatably installed on the base (1), the upper ends of the vertical lead screws (4) penetrate through the top plate (5) and are connected with an output shaft of the servo motor (6), lifting frames (7) are installed on the vertical sliding rods (3) and the vertical lead screws (4), vertical lead screws and vertical lead screws (7) are arranged in the middle of the lifting frames (7), the lifting frames (7) are installed on the vertical sliding rods (3) and the vertical lead screws (4) through the vertical lead screws and the lifting frames (7), and the vertical lead screws (7; the projection shape of the lifting frame (7) is U-shaped, two ends of the lifting frame (7) are provided with support arms (7a) extending forwards, and two sets of multifunctional measuring devices which are symmetrically arranged are arranged on the two support arms (7 a); multifunctional measuring device includes horizontal lead screw (8), horizontal slide bar (9), adjust knob (10), mounting bracket (11), height measurement ware (12), girth dipperstick (13) and skin fold thickness gauge (14), horizontal lead screw hole and horizontal slide bar hole have been seted up on support arm (7a), horizontal lead screw (8) and horizontal slide bar (9) are corresponding to be assembled in horizontal lead screw hole and horizontal slide bar hole, adjust knob (10) threaded mounting is on horizontal lead screw (8), and the grooving of support arm (7a) upper surface is exposed at the edge of adjust knob (10), mounting bracket (11) fixed mounting is in the inner of horizontal lead screw (8) and horizontal slide bar (9), height measurement ware (12), girth dipperstick (13) and skin fold thickness gauge (14) are all installed on mounting bracket (11).

2. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 1, wherein: the circumference measuring scale (13) comprises a shell (13.1), a mandrel (13.2), a rotating ring (13.3), a scale belt (13.4), a volute spiral spring (13.5), a permanent magnet (13.6), a magnetic field sensor (13.7), a microcontroller (13.8), a display screen (13.9) and a battery (13.10), wherein the shell (13.1) is horizontally placed and fixedly installed on the upper surface of the mounting frame (11), and an opening for the scale belt (13.4) to extend out is formed in the inward side surface of the shell (13.1); the mandrel (13.2) is arranged in the shell (13.1), and the upper end and the lower end of the mandrel (13.2) are respectively fixed on the upper surface and the lower surface of the shell (13.1); the mandrel (13.2) is sleeved with a rotating ring (13.3), an annular table (13.3a) is arranged on the inner wall of the middle part of the rotating ring (13.3), and the annular table (13.3a) is rotatably connected to the middle part of the mandrel (13.2); an upper mounting cavity is formed between the upper part of the rotating ring (13.3) and the upper part of the mandrel (13.2), the volute spiral spring (13.5) is wound in the upper mounting cavity, the inner end of the volute spiral spring (13.5) is fixedly connected with the mandrel (13.2), and the outer end of the volute spiral spring (13.5) is fixedly connected with the rotating ring (13.3); the inner end of the tape (13.4) is wound on the lower part of the rotating ring (13.3), and the head end of the tape (13.4) extends out of the opening on the shell (13.1); a lower installation cavity is formed between the lower part of the rotating ring (13.3) and the lower part of the mandrel (13.2), the permanent magnet (13.6), the magnetic field sensor (13.7), the microcontroller (13.8) and the battery (13.10) are arranged in the lower installation cavity, the permanent magnet (13.6) is embedded on the inner wall of the lower part of the rotating ring (13.3), the magnetic field sensor (13.7) and the microcontroller (13.8) are installed on the shell (13.1), the magnetic field sensor (13.7) is connected with the microcontroller (13.8), the magnetic field sensor (13.7) is used for detecting the rotating angle of the rotating ring (13.3) and outputting an analog voltage signal, the microcontroller (13.8) is used for receiving the analog voltage signal and calculating the extension length of the ruler belt (13.4) according to the analog voltage signal, the display screen (13.9) is installed on the outer wall of the shell (13.1), the display screen (13.9) is connected with the microcontroller (13.8), and the extension length of the ruler belt (13.4) calculated by the microcontroller (13.8) in real-time through the display screen (13.9, the battery (13.10) is connected with the magnetic field sensor (13.7), the microcontroller (13.8) and the display screen (13.9) respectively to provide electric energy.

3. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 2, wherein: buckle (13.11) are installed to the head end of chi area (13.4), seted up on casing (13.1) lateral wall can with buckle (13.11) joint complex draw-in groove (13.12).

4. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 2, wherein: the circumference dipperstick (13) still include wireless communication module (13.13), install in installation intracavity down wireless communication module (13.13), wireless communication module (13.13) are connected with microcontroller (13.8), and wireless communication module (13.13) can be connected with external smart machine signal.

5. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 2, wherein: the upper surface of the shell (13.1) is provided with a power supply key (13.14), a locking key (13.15), a record viewing upturning key (13.16), a record viewing downturning key (13.17) and a unit setting key (13.18), all the keys are respectively connected with the microcontroller (13.8), and control information can be input into the microcontroller (13.8) through the control keys.

6. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 2, wherein: the tape (13.4) is provided with length scales.

7. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 1, wherein: the height measurer (12) comprises a telescopic cross rod (12.1), a limit switch (12.2) and a distance meter (12.3), the telescopic cross rod (12.1) is installed on the inner side edge of the installation frame (11), the telescopic cross rod (12.1) can be horizontally and transversely stretched, the limit switch (12.2) is installed at the head end of the telescopic cross rod (12.1), and the limit switch (12.2) is electrically connected with the servo motor (6); the distance measuring instrument (12.3) is installed on the front side face of the installation frame (11), the screen of the distance measuring instrument (12.3) faces forward, and the emitting head of the distance measuring instrument (12.3) vertically faces downwards to the upper surface of the base (1).

8. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 7, wherein: the vertical sliding rod (3) is provided with height scales, and the lifting frame (7) is provided with an indicating arrow matched with the height scales.

9. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 1, wherein: the skin fold thickness meter (14) is hung on the mounting frame (11) through a connecting line (15), and the mounting frame (11) is provided with a placing cavity (11a) for placing the skin fold thickness meter (14).

10. The multifunctional measuring instrument for the prevention and control intervention of the senile malnutrition as claimed in claim 1, wherein: a rotary platform is arranged in the base (1), and the body weight scale (2) is fixedly installed on the rotary platform.

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