CN110731769B - Telescopic quick mount of pressure sensor - Google Patents

Telescopic quick mount of pressure sensor Download PDF

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Publication number
CN110731769B
CN110731769B CN201911056592.8A CN201911056592A CN110731769B CN 110731769 B CN110731769 B CN 110731769B CN 201911056592 A CN201911056592 A CN 201911056592A CN 110731769 B CN110731769 B CN 110731769B
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China
Prior art keywords
telescopic
telescopic rod
adjusting structure
worm
rod
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CN201911056592.8A
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CN110731769A (en
Inventor
苏孟勤
李常生
方慧玲
姬建胜
武佳丽
杨红
丁宁宁
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
    • F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/039—Gearboxes for accommodating worm gears
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Physiology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention relates to a telescopic quick fixing frame for a pressure sensor, belonging to the technical field of medical instruments, and comprising a supporting leg adjusting structure, a telescopic adjusting structure and an angle adjusting structure; the supporting leg adjusting structure comprises a base, a bearing, a worm, a supporting leg adjusting rod, a worm wheel and a supporting leg; the telescopic adjusting structure comprises a fixed outer telescopic sleeve, an inner telescopic rod, a guide key groove structure, an upper end face gear and a height adjusting structure. The angle adjusting structure comprises a lower end face gear, a baffle, a compression spring and a sensor fixing panel. The included angle of the two supporting legs is changed by arranging the worm gear structure, so that the telescopic support is stable and firm in the using process, and the telescopic support has guidance by arranging the guide key groove structure and cannot rotate in the telescopic process; the angle of the fixed panel of the sensor can be adjusted by arranging two meshed end face gears, and the rotating structure is simpler and more reliable.

Description

Telescopic quick mount of pressure sensor
Technical Field
The invention relates to the technical field of medical instruments, in particular to a telescopic rapid fixing frame for a pressure sensor.
Background
The invasive blood pressure can quickly, directly and sensitively reflect the continuous dynamic change of the blood pressure, can continuously and accurately measure the blood pressure of a tested person, and is a method for monitoring the blood pressure after the cardiac surgery. Invasive blood pressure monitoring is to place a cannula in an arterial blood vessel, convert the liquid pressure in the catheter into numbers and waveforms through a pressure sensor and a monitor, display the numbers and waveforms on a screen, and accurately measure the blood pressure value at each moment in the cardiac cycle. In order to ensure the accuracy of the blood pressure of the patient, the pressure sensor is required to be effectively fixed and always keep the same horizontal position with the heart of the patient, and the invasive pipeline is continuously flushed by heparin saline, so that the folding, twisting, blocking and the like of the pipeline are avoided. The supporting legs of the existing pressure sensor adopt damping mechanisms, so that the supporting legs are easy to combine due to human factors, and the fixed support is unstable, so that the fixed support is inclined and pounded on a patient; in addition, when the fixing frame is stretched, the fixing frame is easy to shake and rotate in the stretching process and is not easy to adjust the angle due to the fact that no guide mechanism is arranged; in addition, the sensor fixer panel is complex to operate and not easy to fix and shake when rotating and fixing the angle.
Disclosure of Invention
In order to overcome the technical problems, the invention provides the pressure sensor telescopic type rapid fixing frame with the supporting legs having the self-locking function, and the telescopic mechanism having the guidance property and the easy rotation angle.
In order to realize the purpose, the invention adopts the following technical scheme:
a telescopic rapid fixing frame for a pressure sensor comprises a supporting leg adjusting structure, a telescopic adjusting structure and an angle adjusting structure;
the supporting leg adjusting structure comprises a base, a bearing arranged on the inner wall of the base, a worm with two ends fixed on the bearing, a supporting leg adjusting rod connected with one end of the worm and arranged outside the base, two worm gears which are fixed on the base and horizontally and symmetrically arranged by taking the worm as a center, and supporting legs which are respectively connected with the worm gears, wherein the worm is respectively meshed with the worm gears, and the worm can drive the worm gears to rotate in different directions;
the telescopic adjusting structure comprises an outer telescopic sleeve which is fixed on the upper surface of the base and is of a hollow structure, and an inner telescopic rod which is arranged in the outer telescopic sleeve, the outer telescopic sleeve and the inner telescopic rod are respectively provided with a guide key groove structure, the guide key groove structure limits the inner telescopic rod to move up and down along the axial direction of the inner telescopic rod, the outer circumference of the upper end of the inner telescopic rod is provided with an upper end face gear which is coaxial with the inner telescopic rod, the outer telescopic sleeve and the inner telescopic rod are respectively provided with a height adjusting structure, and the height adjusting structures can fix the inner telescopic rod at different positions on the outer telescopic sleeve;
the angle adjusting structure comprises a lower end face gear, a baffle, a compression spring and a sensor fixing panel, wherein the lower end face gear is sleeved on the inner telescopic rod and can be meshed with the upper end face gear, the baffle is fixed at the top end of the outer telescopic rod, the compression spring is arranged between the baffle and the upper end face gear and sleeved on the inner telescopic rod, and the sensor fixing panel is fixedly arranged on the lower end face gear.
The upper surface and the lower surface of the supporting leg are respectively provided with a strip-shaped or spherical bulge.
And a reinforcing rib is arranged at the joint of the base and the outer telescopic sleeve.
And the upper end face of the bottom inside the outer telescopic sleeve is provided with a telescopic spring, and the other end of the telescopic spring is connected with the lower end face of the inner telescopic rod.
The guide key groove structure comprises a flat key which is arranged on the inner wall of the outer telescopic sleeve along the axial direction of the outer telescopic sleeve and a key groove which is arranged on the inner telescopic rod and can slide axially in cooperation with the flat key.
The height adjusting structure comprises a hole formed in the inner telescopic rod and an inserting rod matched with the hole.
The invention has the following positive effects:
the included angle of the two supporting legs is driven to change by the arrangement of the worm gear structure, and the worm gear structure has a strong self-locking function, so that the included angle of the supporting legs cannot be changed once the included angle of the supporting legs is adjusted, the supporting legs are stable and firm in use, the supporting legs cannot be combined together through non-manual operation, a damping structure is replaced, the supporting legs are more stable and reliable, and the fixing frame cannot be inclined to hit a patient;
by arranging the guide key groove structure, the telescopic mechanism has guidance, cannot rotate in the telescopic process and has directional telescopic;
the adjustment of the orientation of the sensor fixing panel is realized by arranging the two meshed face gears, when the included angle is required to be adjusted, the included angle can be adjusted by lifting the face gears, the pressing spring pushes the end face tightly to enable the pressure sensor fixing panel not to rotate when in use, and the rotating structure is simpler and more reliable.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a telescopic rapid fixing frame of a pressure sensor according to the invention.
FIG. 2 is a schematic structural diagram of a side view of the telescopic rapid fixing frame of the pressure sensor of the present invention.
FIG. 3 is a schematic structural view of the telescopic fast fixing frame of the pressure sensor of the present invention viewed from the bottom.
Fig. 4 is a schematic structural view of a cross section of an outer telescopic sleeve of the telescopic rapid fixing frame for a pressure sensor of the present invention.
Fig. 5 is a schematic structural view of an inner telescopic rod of the telescopic rapid fixing frame for a pressure sensor according to the present invention.
1. The device comprises a base, 2, a bearing, 3, a worm, 4, a supporting leg adjusting rod, 5, a worm wheel, 6, a supporting leg, 7, an outer telescopic sleeve, 8, an inner telescopic rod, 9, an upper end face gear, 10, a lower end face gear, 11, a baffle, 12, a compression spring, 13, a sensor fixing panel, 14, a reinforcing rib, 15, a telescopic spring, 16, a flat key, 17, a key groove, 18, a hole, 19 and a inserted rod.
Detailed Description
The embodiment is as follows:
referring to fig. 1, 2, 3, 4 and 5, a telescopic fast fixing frame for a pressure sensor comprises a supporting leg adjusting structure, a telescopic adjusting structure and a steering adjusting structure; the supporting leg adjusting structure comprises a base 1, a bearing 2 arranged on the inner wall of the base 1, a worm 3 with two ends fixed on the bearing 2, a supporting leg adjusting rod 4 connected with one end of the worm 3 and arranged outside the base 1, two worm wheels 5 fixed on the base 1 and horizontally and symmetrically arranged by taking the worm 3 as a center, and supporting legs 6 respectively connected with the worm wheels 5, wherein the worm 3 is respectively meshed with the worm wheels 5, and the worm 3 can drive the worm wheels 5 to rotate in different directions; this design scheme adopts bayonet fixed knot to construct, the weight of ingenious human gravity of utilizing and mattress compresses tightly two fixed landing legs 6, contained angle between two landing legs 6 is adjustable, change through 5 grades of worms of worm wheel 3 drive two landing legs contained angles, worm gear mechanism has very strong self-locking function in addition, the contained angle of landing leg 6 just can not change in case after adjusting well, it is stable firm in the use, non-manual operation can not appear and merge the condition together, replace the damping structure, it is more reliable and more stable, can not cause the mount crooked to pound the patient.
The telescopic adjusting structure comprises an outer telescopic sleeve 7 which is fixed on the upper surface of the base 1 and is of a hollow structure, and an inner telescopic rod 8 which is arranged in the outer telescopic sleeve 7, the outer telescopic sleeve 7 and the inner telescopic rod 8 are respectively provided with a guide key groove structure, the guide key groove structure limits the inner telescopic rod 8 to only move up and down along the axial direction of the inner telescopic rod 8, an upper end face gear 9 which is coaxial with the inner telescopic rod 8 is arranged on the outer circumference of the upper end of the inner telescopic rod 8, the outer telescopic sleeve 7 and the inner telescopic rod 8 are respectively provided with a height adjusting structure, and the height adjusting structures can enable the inner telescopic rod 8 to be fixed at different positions on the outer telescopic sleeve 7; by arranging the guide key groove structure, the telescopic mechanism has guidance, cannot rotate in the telescopic process and has directional telescopic; the height adjusting structure can use the prior art, such as a backstop claw mechanism, a bolt fastening structure, an umbrella handle telescopic structure similar to a folding umbrella, and the like.
The angle adjusting structure comprises a lower end face gear 10, a baffle plate 11, a compression spring 12 and a sensor fixing panel 13, wherein the lower end face gear 10 is sleeved on the inner telescopic rod 8 and can be meshed with the upper end face gear 9, the baffle plate 11 is fixed at the top end of the outer telescopic rod 8, the compression spring 12 is arranged between the baffle plate 11 and the upper end face gear 9 and sleeved on the inner telescopic rod 8, and the sensor fixing panel 13 is fixedly arranged on the lower end face gear 10. The orientation of the sensor fixer panel 13 can be realized by two meshed face gears, the upper face gear 9 can slide up and down, the lower face gear 10 is fixed, when the included angle needs to be adjusted, the included angle can be realized by lifting the upper face gear 9, and the end face is tightly pressed by the expansion spring 15 so that the pressure sensor fixing panel can not rotate when in use.
The upper and lower surface of landing leg 6 is equipped with strip or globular arch respectively, reaches the effect of increase friction power through setting up the arch, and the landing leg is more firm.
The base 1 with the junction of outer telescope tube 7 is equipped with strengthening rib 14, improves outer telescope tube's intensity through setting up strengthening rib 14, improves the stability and the security of whole mount.
And an extension spring 15 is arranged on the upper end face of the bottom inside the outer extension sleeve 7, and the other end of the extension spring 15 is connected with the lower end face of the inner extension rod 8. Through setting up expanding spring 15 firstly, can fix interior telescopic link 8, prevent that it from dropping in transport and use, secondly under the effect of spring force, thereby the height of telescopic link adjustment mount in can be more convenient upwards or downwards adjustment.
The guide key groove structure comprises a flat key 16 which is arranged on the inner wall of the outer telescopic sleeve 7 along the axial direction of the outer telescopic sleeve and a key groove 17 which is arranged on the inner telescopic rod 8 and can axially slide in cooperation with the flat key 16. The guide key groove structure has various forms, and the inner telescopic rod 8 can have guidance when moving up and down and cannot rotate in the telescopic process. For example, the inner wall of the outer telescopic sleeve 7 can be changed into a key groove, and the outer circumference of the inner telescopic rod is provided with a flat key matched with the key groove.
The height adjusting structure comprises a hole 18 arranged on the inner telescopic rod 8 and an inserting rod 19 matched with the hole 18. On the basis, in order to further ensure the reliability of the height adjusting structure, a thread can be arranged in the hole 18, and an external thread matched with the internal thread of the hole 18 can be arranged on the inserted rod 19.

Claims (6)

1. The utility model provides a telescopic quick mount of pressure sensor which characterized in that: comprises a supporting leg adjusting structure, a telescopic adjusting structure and an angle adjusting structure;
the supporting leg adjusting structure comprises a base, a bearing arranged on the inner wall of the base, a worm with two ends fixed on the bearing, a supporting leg adjusting rod connected with one end of the worm and arranged outside the base, two worm wheels which are fixed on the base and are horizontally and symmetrically arranged by taking the worm as a center, and supporting legs which are respectively connected with the worm wheels, wherein the worm is respectively meshed with the worm wheels, and the worm can drive the worm wheels to rotate in different directions;
the telescopic adjusting structure comprises an outer telescopic sleeve which is fixed on the upper surface of the base and is of a hollow structure, and an inner telescopic rod which is arranged in the outer telescopic sleeve, the outer telescopic sleeve and the inner telescopic rod are respectively provided with a guide key groove structure, the guide key groove structure limits the inner telescopic rod to move up and down along the axial direction of the inner telescopic rod, the outer circumference of the upper end of the inner telescopic rod is provided with an upper end face gear which is coaxial with the inner telescopic rod, the outer telescopic sleeve and the inner telescopic rod are respectively provided with a height adjusting structure, and the height adjusting structures can fix the inner telescopic rod at different positions on the outer telescopic sleeve;
the angle adjusting structure comprises a lower end face gear, a baffle, a compression spring and a sensor fixing panel, wherein the lower end face gear is sleeved on the inner telescopic rod and can be meshed with the upper end face gear, the baffle is fixed at the top end of the outer telescopic rod, the compression spring is arranged between the baffle and the upper end face gear and sleeved on the inner telescopic rod, and the sensor fixing panel is fixedly arranged on the lower end face gear.
2. The telescopic rapid fixture of pressure sensor of claim 1, characterized in that: the upper surface and the lower surface of the supporting leg are respectively provided with a strip-shaped or spherical bulge.
3. The telescopic rapid fixture for pressure sensors according to claim 1, characterized in that: and reinforcing ribs are arranged at the joints of the base and the outer telescopic sleeves.
4. The telescopic rapid fixture of pressure sensor of claim 1, characterized in that: and the upper end face of the bottom inside the outer telescopic sleeve is provided with a telescopic spring, and the other end of the telescopic spring is connected with the lower end face of the inner telescopic rod.
5. The telescopic rapid fixture of pressure sensor of claim 1, characterized in that: the guide key groove structure comprises a flat key which is arranged on the inner wall of the outer telescopic sleeve along the axial direction of the outer telescopic sleeve and a key groove which is arranged on the inner telescopic rod and can slide axially in cooperation with the flat key.
6. The telescopic rapid fixture of pressure sensor of claim 1, characterized in that: the height adjusting structure comprises a hole formed in the inner telescopic rod and an inserting rod matched with the hole.
CN201911056592.8A 2019-10-31 2019-10-31 Telescopic quick mount of pressure sensor Active CN110731769B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911056592.8A CN110731769B (en) 2019-10-31 2019-10-31 Telescopic quick mount of pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911056592.8A CN110731769B (en) 2019-10-31 2019-10-31 Telescopic quick mount of pressure sensor

Publications (2)

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CN110731769A CN110731769A (en) 2020-01-31
CN110731769B true CN110731769B (en) 2022-07-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014090468A1 (en) * 2012-12-12 2014-06-19 Robert Bosch Gmbh Transmission device and electrically motorized brake force booster
CN104165263A (en) * 2014-07-31 2014-11-26 苏州汉森华纳节能科技有限公司 Tablet computer support
CN204889970U (en) * 2015-08-19 2015-12-23 中国人民解放军第四军医大学 There is wound pressure sensor fixing device
CN106184437A (en) * 2016-08-16 2016-12-07 中国矿业大学 Double Worm gear mechanisms deform running part and have its firefighting movable platform
CN108036168A (en) * 2017-12-09 2018-05-15 新昌县谷德机械有限公司 A kind of liftable projecting apparatus
CN208760701U (en) * 2018-09-20 2019-04-19 湖北睿智儿童用品有限公司 Sunshade closing device and perambulator
CN208890228U (en) * 2018-09-14 2019-05-21 昆明耀龙水泥制杆有限公司 A kind of telescopic insulation hanging rod of electric pole maintenance
CN209332045U (en) * 2018-08-28 2019-09-03 宜兴市人民医院 Pressure sensor fixed frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014090468A1 (en) * 2012-12-12 2014-06-19 Robert Bosch Gmbh Transmission device and electrically motorized brake force booster
CN104165263A (en) * 2014-07-31 2014-11-26 苏州汉森华纳节能科技有限公司 Tablet computer support
CN204889970U (en) * 2015-08-19 2015-12-23 中国人民解放军第四军医大学 There is wound pressure sensor fixing device
CN106184437A (en) * 2016-08-16 2016-12-07 中国矿业大学 Double Worm gear mechanisms deform running part and have its firefighting movable platform
CN108036168A (en) * 2017-12-09 2018-05-15 新昌县谷德机械有限公司 A kind of liftable projecting apparatus
CN209332045U (en) * 2018-08-28 2019-09-03 宜兴市人民医院 Pressure sensor fixed frame
CN208890228U (en) * 2018-09-14 2019-05-21 昆明耀龙水泥制杆有限公司 A kind of telescopic insulation hanging rod of electric pole maintenance
CN208760701U (en) * 2018-09-20 2019-04-19 湖北睿智儿童用品有限公司 Sunshade closing device and perambulator

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