CN211834364U - Circulating automatic pressure control device based on rotating shaft connecting rod - Google Patents
Circulating automatic pressure control device based on rotating shaft connecting rod Download PDFInfo
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- CN211834364U CN211834364U CN201922281645.8U CN201922281645U CN211834364U CN 211834364 U CN211834364 U CN 211834364U CN 201922281645 U CN201922281645 U CN 201922281645U CN 211834364 U CN211834364 U CN 211834364U
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- connecting rod
- pressure control
- control device
- fixed block
- link mechanism
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Abstract
The utility model discloses a circulation automatic pressure control device based on pivot connecting rod, including motor, sensor, casing, be equipped with the fixed block in the casing, fixed block one side is equipped with the sensor, opposite side are equipped with pivot link mechanism, be equipped with through-hole one on the fixed block, pivot link mechanism passes through-hole one, the motor with pivot link mechanism is connected, the casing is connected with the wrist strap. The utility model has the advantages that the small motor drives the rotating shaft link mechanism to control the compression stroke of the pulse taking part to realize stepless and accurate pressure control; and the structure is simple, the control of a complex system is separated, and the portable wearing of the human body is realized.
Description
Technical Field
The utility model relates to a traditional Chinese medical science pulse feeling field, in particular to a circulating automatic pressure control device based on a rotating shaft connecting rod.
Background
The existing pulse taking pressure mode is a mode of controlling a screw rod and a gas circuit to pressurize by a mechanical motor, the mechanical mode is large in size and poor in safety, abnormal pressurization is easily caused under normal and single fault states, high pressure is generated on a pressurized part, multi-component combined driving is needed to realize pressure control, stepless regulation cannot be realized on the pressure control of the pulse taking part by a gear mode, and the precision is poor; the pressurization mode of the gas circuit system has high requirement on the sealing performance, the system is complex, an inflation unit and a quick deflation unit and a slow deflation unit are required, the whole control unit has very high requirement on the process, the anti-interference capability of the pressurization mode of the gas circuit system is poor, the slight jitter has very large influence on the pressure feedback, and the interference of the acquired pressure is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a circulation automatic pressure control device based on pivot connecting rod has been designed.
The technical scheme of the utility model be, a circulation automatic pressure control device based on pivot connecting rod, including motor, sensor, casing, be equipped with the fixed block in the casing, fixed block one side is equipped with the sensor, opposite side are equipped with pivot link mechanism, be equipped with through-hole one on the fixed block, pivot link mechanism passes through-hole one, the motor with pivot link mechanism is connected, the casing is connected with the wrist strap.
Further, the spindle link mechanism includes: the motor comprises a first connecting rod, a second connecting rod and a rotary table, wherein the first connecting rod is provided with a second through hole, the first connecting rod and the rotary table are connected with the motor through the second through hole, the first connecting rod penetrates through the fixed block, one end of the second connecting rod is connected with the rotary table, and the other end of the second connecting rod is connected with the fixed block.
Further, the open end of the shell is fixedly connected with a bottom cover, the bottom cover is arc-shaped, and a center hole is formed in the center of the bottom cover.
Further, a circular testing block is arranged on one side, close to the bottom cover, of the sensor and penetrates through the central hole.
Furthermore, a plurality of magnets are arranged on the wrist strap, and a plurality of magnets with opposite magnetism to the magnets are arranged on the bottom cover.
Further, the sensor and the motor are connected with a control system. The pressure information of pulse position is got in sensor collection, contains pulse static pressure signal and pulse pressure signal, and control system will be according to the angle of rotation of the real-time adjustment motor of the pulse static pressure signal of sensor feedback, and then the adjustment sensor is to the pressure of human body, accepts the pulse pressure signal of sensor feedback simultaneously, realizes the collection to pulse condition information, through the built-in bluetooth module of control system, transmits pulse condition information after the integration to the smart machine in.
Utilize the utility model discloses a circulation automatic pressure control device based on pivot connecting rod of technical scheme preparation has following beneficial effect: the rotating shaft connecting rod mechanism is driven by a small motor, and the pressing stroke of the pulse taking part is controlled to realize stepless and accurate pressure control; the structure is simple, the control of a complex system is separated, the portable wearing of the human body is realized, and the limitation on the pulse taking position of the human body is reduced; the wrist strap is tightly attached to the human body, so that the shaking interference caused by the change of the body position is reduced; connect wrist strap and bottom through magnet, the angle of wearing and the position of convenient adjustment wrist strap when pressurization or gathering the in-process abnormal pressure appear, can disassemble fast.
Drawings
Fig. 1 is a schematic diagram of an external structure of a rotary shaft connecting rod-based automatic pressure control device according to the present invention;
fig. 2 is a schematic diagram of the internal structure of the automatic pressure control device based on the rotating shaft and the connecting rod according to the present invention;
fig. 3 is a schematic structural view of a wrist strap portion of a cyclic automatic pressure control device based on a rotating shaft connecting rod according to the present invention;
fig. 4 is a circuit control block diagram of the automatic pressure control device based on the rotating shaft and the connecting rod of the present invention;
in the figure, 1, a motor; 2. a sensor; 3. a housing; 4. a wristband; 5. a fixed block; 6. a first through hole; 7. a rotating shaft link mechanism; 71. a first connecting rod; 72. a second connecting rod; 73. a turntable; 74. a second through hole; 8. a bottom cover; 9. a central bore; 10. a circular test block; 11. and a magnet.
Detailed Description
The utility model discloses it is next described to combine the attached drawing specifically to describe the utility model, as shown in fig. 1-4, a circulation automatic pressure control device based on pivot connecting rod, including motor 1, sensor 2, casing 3, be equipped with fixed block 5 in the casing 3, 5 one sides of fixed block are equipped with sensor 2, the opposite side is equipped with pivot link mechanism 7, be equipped with through-hole 6 on the fixed block 5, pivot link mechanism 7 passes through-hole 6, motor 1 with pivot link mechanism 7 is connected, casing 3 is connected with wrist strap 4. The motor 1 drives the rotating shaft connecting rod mechanism 7 to move, the position of an output shaft of the motor 1 is fixed, the rotating shaft connecting rod mechanism 7 moves along with the rotation of the motor 1, and the distance of a contact part between the sensor 2 and a human body is continuously changed, so that the pressure on the human body is continuously changed.
The rotation shaft link mechanism 7 includes: the motor comprises a first connecting rod 71, a second connecting rod 72 and a rotary disc 73, wherein the first connecting rod 71 is provided with a second through hole 74, the first connecting rod 71 and the rotary disc 73 are connected with the motor 1 through the second through hole 74, the first connecting rod 71 penetrates through the fixed block 5, one end of the second connecting rod 72 is connected with the rotary disc 73, and the other end of the second connecting rod 72 is connected with the fixed block 5. The output shaft of the motor 1 rotates to drive the rotating disc 73 to rotate, the second connecting rod 72 fixedly connected with the rotating disc 73 rotates along with the rotating disc, and the sensor 2 connected with the fixed block 5 makes linear reciprocating motion along with the second connecting rod 72 in the rotating process.
The open end of the shell 3 is fixedly connected with a bottom cover 8, and the bottom cover 8 is arc-shaped. The bottom cover 8 is designed in an arc shape and is attached to the radian of the wrist of a human body.
The central position of the bottom cover 8 is provided with a central hole 9, one side of the sensor 2 close to the bottom cover 8 is provided with a circular testing block 10, and the circular testing block 10 penetrates through the central hole 9. The central hole 9 is aligned with the vein taking part, the round testing block 10 on the sensor 2 presses the vein taking part of the human body, and the pressure of the vein taking part is adjusted through the motor 1 and the rotating shaft connecting rod mechanism 7.
The sensor 2 and the motor 1 are electrically connected with the control system. The pressure information of getting the position of arteries and veins is gathered to sensor 2, contains pulse static pressure signal and the pulse pressure signal of beating, and control system will be according to the angle of rotation of the real-time adjustment motor of the pulse static pressure signal of sensor 2 feedback, and then adjustment sensor 2 is to the pressure of human body, accepts the sensing simultaneously, and the pulse pressure signal of 2 feedbacks realizes the collection to pulse condition information, through the built-in bluetooth module of control system, transmits pulse condition information after the integration to the smart machine in.
The wrist strap 4 is provided with a plurality of magnets 11, and the bottom cover 8 is provided with a plurality of magnets with opposite magnetism to the magnets 11. The wrist strap 4 is provided with a plurality of strong magnets which can be attracted with the magnets matched with the bottom cover 8.
The wrist strap 4 adopts a thread gluing form, so that the tightness can be conveniently adjusted, and the binding can be quickly released.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (5)
1. The utility model provides a circulation automatic pressure control device based on pivot connecting rod, includes motor (1), sensor (2), casing (3), its characterized in that, be equipped with fixed block (5) in casing (3), fixed block (5) one side is equipped with sensor (2), the opposite side is equipped with pivot link mechanism (7), be equipped with through-hole (6) on fixed block (5), pivot link mechanism (7) are passed through-hole (6), motor (1) with pivot link mechanism (7) are connected, casing (3) are connected with wrist strap (4).
2. A rotary shaft link based cyclic automatic pressure control device according to claim 1, characterized in that the rotary shaft link mechanism (7) comprises: the motor comprises a first connecting rod (71), a second connecting rod (72) and a rotary table (73), wherein the first connecting rod (71) is provided with a second through hole (74), the first connecting rod (71) and the rotary table (73) are connected with the motor (1) through the second through hole (74), the first connecting rod (71) penetrates through the fixed block (5), one end of the second connecting rod (72) is connected with the rotary table (73), and the other end of the second connecting rod is connected with the fixed block (5).
3. The rotary shaft connecting rod based circulation automatic pressure control device as claimed in claim 1, wherein a bottom cover (8) is fixedly connected to the open end of the housing (3), the bottom cover (8) is arc-shaped, and a central hole (9) is formed in the center of the bottom cover (8).
4. A rotary shaft connecting rod based cyclic automatic pressure control device according to claim 3, characterized in that the sensor (2) is provided with a circular test block (10) at a side close to the bottom cover (8), and the circular test block (10) passes through the central hole (9).
5. A rotary shaft link based cyclic automatic pressure control device according to claim 3, wherein the wrist strap (4) is provided with a plurality of magnets (11), and the bottom cover (8) is provided with a plurality of magnets having opposite magnetism to the magnets (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281645.8U CN211834364U (en) | 2019-12-18 | 2019-12-18 | Circulating automatic pressure control device based on rotating shaft connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281645.8U CN211834364U (en) | 2019-12-18 | 2019-12-18 | Circulating automatic pressure control device based on rotating shaft connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211834364U true CN211834364U (en) | 2020-11-03 |
Family
ID=73214121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281645.8U Active CN211834364U (en) | 2019-12-18 | 2019-12-18 | Circulating automatic pressure control device based on rotating shaft connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211834364U (en) |
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2019
- 2019-12-18 CN CN201922281645.8U patent/CN211834364U/en active Active
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