CN111528850A - Positioning mechanism capable of preventing shifting piece from deforming and respiratory function detector - Google Patents
Positioning mechanism capable of preventing shifting piece from deforming and respiratory function detector Download PDFInfo
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- CN111528850A CN111528850A CN202010285987.1A CN202010285987A CN111528850A CN 111528850 A CN111528850 A CN 111528850A CN 202010285987 A CN202010285987 A CN 202010285987A CN 111528850 A CN111528850 A CN 111528850A
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides a positioning mechanism capable of preventing a plectrum from deforming and a respiratory function detector, which comprise a positioning seat and a positioning piece connected with the positioning seat, wherein the positioning piece is provided with a bending section with a set angle, and an accommodating space is formed between the bending section and the positioning seat; the positioning piece is hinged with the shifting piece body through a rotating rod; an elastic component with an inclined plane is arranged on one side of the accommodating space close to the positioning seat, one end of the elastic component is hinged with the positioning seat, the other end of the elastic component is connected with the rotating rod through a transmission mechanism, and the elastic component moves along a set direction to drive the shifting piece body to rotate by a set angle, so that clamping and positioning in the accommodating space are realized; make positioning mechanism can avoid appearing collision and extrusion impaired when not hard up detector that leads to removes because of its location installation, the supplementary installation location of the intake pipe of being convenient for improves the installation location stable effect of intake pipe, can protect the spacing plectrum of intake pipe simultaneously, reduces the local deformation damage of its use.
Description
Technical Field
The invention relates to a positioning mechanism and a respiratory function detector, in particular to a positioning mechanism and a respiratory function detector capable of preventing a shifting piece from deforming.
Background
The respiratory function detector is a detection tool for detecting the content of internal components in respiratory gas of lungs, and due to the size of the usage of the respiratory function detector, the respiratory function detector is convenient to be well installed and used in hospital wards, clinics, homes and other places.
However, the existing portable respiratory function detector has the following problems when in use:
carrying out carrying of detector and when using, the auxiliary erection location of the intake pipe of blowing of detector is inconvenient, it is impaired with the extrusion to appear when leading to the detector to remove easily because of its location installation is not hard up, it produces dirty to cause the intake pipe to remove the touching outward appearance at will, influence normal use, and carry out the plectrum of auxiliary erection location to the intake pipe when long-term the use, collision when receiving the intake pipe installation easily and taking causes its locate function's deformation to damage, the local deformation of plectrum when using easily appears simultaneously, the not hard up of intake pipe auxiliary erection location that leads to, make the stability of its installation impaired, the steadiness when appearing the location is not enough. In order to solve the problems, innovative design is urgently needed on the basis of the original portable respiratory function detector.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a portable respiratory function detector capable of preventing the deformation of the pick, in order to solve the above-mentioned background art, it is proposed that when the existing portable respiratory function detector is carried and used, the auxiliary installation and positioning of the air blowing inlet pipe of the detector are inconvenient, the detector is easy to collide and extrude to be damaged when moving due to the positioning and installation looseness, the inlet pipe is moved randomly and touches the surface to generate dirt, the normal use is influenced, and the shifting sheet for auxiliary installation and positioning of the air inlet pipe is easy to be deformed and damaged by the positioning function of the air inlet pipe due to collision when the air inlet pipe is installed and taken for a long time, meanwhile, local deformation of the shifting piece during use is easy to occur, so that looseness of auxiliary installation and positioning of the air inlet pipe is caused, the installation stability is damaged, and the problem of insufficient stability during positioning is solved.
In a first aspect, the invention provides a positioning mechanism capable of preventing a shifting piece from deforming, which comprises a positioning seat and a positioning piece connected with the positioning seat, wherein the positioning piece is provided with a bending section with a set angle, and an accommodating space is formed between the bending section and the positioning seat; the positioning piece is hinged with the shifting piece body through a rotating rod; one side of the accommodating space close to the positioning seat is provided with an elastic component with an inclined plane, one end of the elastic component is hinged with the positioning seat, the other end of the elastic component is connected with the rotating rod through a transmission mechanism, and the elastic component moves along a set direction to drive the shifting piece body to rotate for a set angle, so that the clamping and the positioning in the accommodating space are realized.
In a second aspect, the present invention further provides a respiratory function detector capable of preventing the deformation of the pick, including: the breathing energy detector comprises a breathing energy detector body, a threaded hose, an air inlet pipe and the positioning mechanism in the first aspect; a positioning seat of the positioning mechanism is arranged on one side surface of the detector body through a positioning plate; the air inlet pipe is connected with the detector body through a threaded hose; the air inlet pipe is clamped and positioned in the accommodating space of the positioning mechanism.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the portable respiratory function detector capable of preventing the plectrum from deforming, the positioning piece is hinged with the plectrum body through the rotating rod, the elastic component drives the plectrum body through the transmission mechanism to realize clamping and positioning, so that the positioning mechanism can avoid collision and extrusion damage when the detector moves due to positioning and mounting looseness, auxiliary mounting and positioning of the air inlet pipe are facilitated, the mounting and positioning stable effect of the air inlet pipe is improved, meanwhile, the plectrum for limiting the air inlet pipe can be protected, and local deformation and damage in use are reduced.
2. According to the invention, the telescopic rod of the elastic mechanism and the elastic piece fixed in the telescopic rod act only through rotating the elastic mechanism arranged on the positioning seat, so that the elastic mechanism and the positioning seat can perform relative telescopic motion, and meanwhile, the transmission mechanism is driven to move, and the effect of the meshing connection state is lost through the sawtooth strip of the transmission mechanism and the gear shaft from the meshing connection state, so that the plectrum body is overturned to a set angle, and even the rotation limiting effect is lost, the plectrum body of the air inlet pipe on the positioning piece and the elastic mechanism act for limiting, the convenient auxiliary installation and positioning of the air inlet pipe are completed, and the stable effect of the positioning and installation of the air inlet.
3. Under the mutual meshing connection effect of the sawtooth rack and the gear shaft of the transmission mechanism, the air inlet pipe can still be well and quickly taken after being limited by the shifting piece, the taking operation of the air inlet pipe cannot be influenced by the use of the shifting piece, meanwhile, the shifting piece is directly limited by the connection and the positioning of the sawtooth rack and the gear shaft when in use, meanwhile, due to the elastic effect of the limiting spring and the limiting of the limiting rod, the positioning and the installation of the shifting piece are more stable, the shifting piece cannot vibrate along with the movement of a detector when in use, the phenomenon that the shifting piece is damaged due to impact deformation when in use caused by the vibration problem is avoided, and the good use effect of the shifting piece is maintained.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic front view of a respiratory function detector according to the present invention;
FIG. 2 is a schematic view of a positioning member mounting structure according to the present invention;
FIG. 3 is a schematic view of the internal structure of the telescopic rod of the present invention;
FIG. 4 is a schematic view of a mounting side structure of the pick body according to the present invention;
FIG. 5 is a schematic view of the connection structure of the rack and pinion according to the present invention;
FIG. 6 is a schematic view of the connecting structure of the slider and the slide according to the present invention;
in the figure: 1. a respiratory function detector body; 2. a threaded hose; 3. an air inlet pipe; 4. a side plate; 5. positioning a plate; 6. positioning seats; 7. reserving a groove; 8. a rubber stopper; 9. a telescopic rod; 10. an elastic member; 11. an isolation rubber band; 12. a positioning member; 13. an inner cavity; 14. a chute; 15. a moving block; 16. a plectrum body; 17. a rotating rod; 18. a fine roller; 19. a gear shaft; 20. a slide bar; 21. a sawtooth strip; 22. a slider; 23. a limiting ring; 24. a limiting rod; 25. a limiting spring; 26. a nylon pull rope.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be a fixed connection, or may be an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
Example 1
A positioning mechanism capable of preventing a plectrum from deforming comprises a positioning seat and a positioning piece connected with the positioning seat, wherein the positioning piece is provided with a bending section with a set angle, and an accommodating space is formed between the bending section and the positioning seat; the positioning piece is hinged with the shifting piece body through a rotating rod; one side of the accommodating space close to the positioning seat is provided with an elastic component with an inclined plane, one end of the elastic component is hinged with the positioning seat, the other end of the elastic component is connected with the rotating rod through a transmission mechanism, and the elastic component moves along a set direction to drive the shifting piece body to rotate for a set angle, so that the clamping and the positioning in the accommodating space are realized.
Furthermore, the bending section angle of the positioning piece is 90 degrees, the positioning piece is integrally of an L-shaped structure, a groove is formed in the top of the L-shaped structure, and the groove is hinged with the shifting piece body.
Furthermore, the plectrum body is of a V-shaped structure with a set opening angle, the bending area of the V-shaped structure is hinged with the positioning piece through a rotating rod, and a fine rotating roller is installed at the top of the plectrum body in an embedded mode; the opening angle is 30-120 degrees, and the shifting piece body is preferably in a V-shaped structure.
Furthermore, a reserved groove is formed in the positioning seat, an elastic member is installed in the reserved groove, the elastic member comprises a rubber stop block and a telescopic rod, the side face, close to the reserved groove, of the rubber stop block is hinged to one end of the telescopic rod, and the other end of the telescopic rod is hinged to the inner wall of the reserved groove; an elastic part is fixed inside the telescopic rod.
Further, the edge of rubber dog is connected with the preformed groove through the isolation rubber area.
Further, the elastic member is a spring, including but not limited to a leaf spring, a coil spring, a torsion bar spring, an air spring, a hydro-pneumatic spring, and a rubber spring.
Furthermore, the positioning seat is connected with a positioning piece, a bolt hole is formed in the positioning piece, and the positioning mechanism is installed in a set position through the positioning piece.
Further, an inner cavity is formed in the positioning piece, a transmission mechanism is arranged in the inner cavity, a sliding groove is reserved between the positioning piece and the end portion of the inner cavity, the bottom of the rubber stop block is connected with one end of the moving block, the other end of the moving block penetrates through the sliding groove to be arranged in the inner cavity, and the top of the bending section of the positioning piece is hinged to the shifting piece body.
Furthermore, the transmission mechanism comprises a gear shaft, a rack, a limiting rod, a limiting ring and a pull rope; the gear shaft is fixedly connected with the rotating rod, one end of the rack is connected with the limiting rod, and the tooth surface of the rack is matched with the gear shaft; one end of the pull rope is connected with the limiting rod, and the other end of the pull rope is connected with the moving block; the limiting rod is matched with the limiting ring through a limiting spring to achieve the limiting effect of the movement of the rack.
Furthermore, the inner wall of the inner cavity of the positioning piece is provided with a slide bar, and the rack is arranged in the slide bar through a slide block, so that the sliding connection between the rack and the inner cavity of the positioning piece is realized.
Further, the rubber stopper is arranged to be of a right-angled triangular structure.
Example 2
The present invention provides a technical solution, referring to fig. 1 to 6: the utility model provides a can prevent portable respiratory function detector of plectrum deformation, including respiratory function detector body 1, threaded hose 2, intake pipe 3, curb plate 4, locating plate 5, positioning seat 6, preformed groove 7, rubber dog 8, telescopic link 9, elastic component 10, isolation rubber area 11, setting element 12, inner chamber 13, spout 14, movable block 15, plectrum body 16, bull stick 17, thin commentaries on classics roller 18, gear shaft 19, draw runner 20, sawtooth rack 21, slider 22, spacing ring 23, gag lever post 24, spacing spring 25 and nylon guy rope 26.
The respiratory function detector comprises a respiratory function detector body 1, wherein one end of a threaded hose 2 is fixedly arranged at the edge of the top of the respiratory function detector body 1 in a penetrating manner, an air inlet pipe 3 is fixedly connected to the other end of the threaded hose 2, side plates 4 are fixedly arranged at the left side and the right side of the respiratory function detector body 1, a positioning plate 5 is fixedly arranged on the side plates 4 through bolts, a positioning seat 6 is welded on the outer wall of the positioning plate 5, a reserved groove 7 is formed in the positioning seat 6, a rubber stop 8 is movably arranged in the reserved groove 7, an expansion link 9 is hinged between the back edge of the rubber stop 8 and the corner of the inner wall of the reserved groove 7, an elastic part 10 is fixedly arranged in the expansion link 9, an isolation rubber belt 11 is fixedly arranged between the edge of the rubber stop 8 and the reserved groove 7, a positioning part 12 is fixedly arranged on the positioning seat 6, one end of a moving block 15 is fixed at the bottom of the rubber stopper 8, and the other end of the moving block 15 penetrates through the sliding groove 14 and is arranged in the inner cavity 13.
The top movable mounting of setting element 12 has plectrum body 16, and through bull stick 17 interconnect between the middle part of plectrum body 16 and the setting element 12, and the end fixing that bull stick 17 is located inner chamber 13 has gear shaft 19, and the embedded thin roller 18 that installs in top of plectrum body 16, the avris of bull stick 17 is fixed with draw runner 20 on the inner wall of inner chamber 13, and draw runner 20 installs sawtooth rack 21 through slider 22, and sawtooth rack 21 and gear shaft 19 interconnect, the inner chamber 13 inner wall of draw runner 20 below is fixed with spacing ring 23, and the middle part of spacing ring 23 and gag lever post 24 runs through the setting, and the upper end of gag lever post 24 is fixed in the bottom of sawtooth rack 21, and fixedly connected with nylon stay cord 26 between the lower extreme of gag lever post 24 and movable block 15, be fixed with spacing spring 25 between gag lever post 24 and the gag lever post 23 simultaneously.
Locating plate 5 sets up to bolted connection's dismantlement mounting structure with curb plate 4, and locating plate 5 and locating seat 6 set up for welded integral structure, and the 7 degree of depth of preformed groove on the locating seat 6 is greater than the thickness of rubber dog 8, rubber dog 8 sets up to right triangle-shaped structure, and rubber dog 8 constitutes relative extending structure with preformed groove 7, and preformed groove 7 and rubber dog 8 all rotate with telescopic link 9 to be connected, and the telescopic link 9 is installed to the symmetry on the rubber dog 8, make things convenient for the installation of intake pipe 3, when intake pipe 3 is installed, intake pipe 3 can promote rubber dog 8 and make it take place the position and remove the change, adjustment plectrum body 16 sets up the angle, improve the pick body 16 stability and the protective effect who uses of installing intake pipe 3.
The positioning piece 12 is arranged to be of an L-shaped structure, the top of the positioning piece 12 is arranged to be of a forked structure, and the inner cavity 13 and the sliding groove 14 in the positioning piece 12 and the moving block 15 form a clamping sliding installation structure, so that the air inlet pipe 3 can be stored and positioned conveniently, and the air inlet pipe is placed more stably.
The plectrum body 16 is arranged into a hook-shaped structure, the plectrum body 16 and the positioning piece 12 form a relative overturning structure through the rotating rod 17, the top of the plectrum body 16 is embedded with the fine rotating roller 18, and a relative rotating structure for installing a rotating shaft is arranged between the fine rotating roller 18 and the positioning piece 12, so that the plectrum body 16 can be used and rotated conveniently, the air inlet pipe 3 can enter and exit the positioning piece 12 from the position of the plectrum body 16 under the rotating action, the taking is convenient, and meanwhile, the plectrum body 16 in the use compression is buffered and protected, so that the plectrum body 16 cannot be deformed when in the use compression.
The slide bar 20 and the slide block 22 form a clamped through mounting structure, the slide block 22 and the sawtooth bar 21 are fixedly connected, outer wall sawteeth of the sawtooth bar 21 are meshed with outer coins of the gear shaft 19 to be connected, the limiting rod 24 is of an inverted T-shaped structure, the limiting rod 24 and the limiting ring 23 are of a through relative telescopic structure, and the limiting rod 24 and the sawtooth bar 21 are fixedly connected in a vertical coaxial mode. Laminating sliding connection between the inner wall of nylon stay cord 26 and inner chamber 13, and inner chamber 13 sets up to the arc structure inside "L" style of calligraphy right angle at setting element 12, the supplementary installation locating position when being convenient for control change plectrum body 16 uses, make its in-process that uses can well overturn, carry out the supplementary centre gripping location of intake pipe 3 between plectrum body 16 and setting element 12, make the location of intake pipe 3 between plectrum body 16 and setting element 12 more stable simultaneously, can not influence taking out of intake pipe 3, reduce the collision damage to plectrum body 16 when intake pipe 3 takes, plectrum body 16 that prevents uses the oppression deformation problem to appear.
The working principle is as follows: when the portable respiratory function detector capable of preventing the plectrum from deforming is used, firstly, as shown in figures 1-6, under the action of the respiratory function detector body 1 and the threaded hose 2, air inlet of the air inlet pipe 3 during use is facilitated, meanwhile, the position of the air inlet pipe 3 is convenient to move, take and change, and meanwhile, when the air inlet pipe 3 needs to be installed and positioned in an auxiliary mode, the air inlet pipe 3 is directly pressed against the plectrum body 16.
As shown in fig. 2, 4, 5 and 6, when the air inlet pipe 3 contacts the top of the dial body 16, the thin roller 18 on the dial body 16 is rotated, so that the pushing position of the air inlet pipe 3 is changed more smoothly by the rolling of the thin roller 18 on the dial body 16, and at the same time, the dial body 16 and the positioning member 12 perform a downward flip movement under the action of the rotating rod 17, so that the gear shaft 19 at the end of the rotating rod 17 is meshed with the sawtooth rack 21.
As shown in fig. 5 and 6, under the clamping and sliding installation action of the sliding block 22 and the sliding strip 20, the sawtooth strip 21 moves downwards, the meshing connection state between the sawtooth strip 21 and the gear shaft 19 is separated, so that the artificial dial plate body 16 can rotate freely, the rubber stopper 8 in a right triangle shape is pushed through the continuous downward movement of the air inlet pipe 3, the rubber stopper 8 and the preformed groove 7 stretch relatively, the telescopic rod 9 hinged between the two rotates, the rubber stopper 8 can reset under the action of the air inlet pipe 3 lost under the action of the elastic piece 10, the moving block 15 on the rubber stopper 8 slides in a clamping way with the inner cavity 13 and the sliding groove 14, the sawtooth strip 21 and the limiting rod 24 are pulled to move downwards through the nylon pull rope 26 to press the limiting spring 25, then the dial plate body 16 is turned upwards, under the combined action of the dial plate body 16 and the rubber stopper 8, the air inlet pipe 3 can be well and stably reinforced and positioned on the positioning piece 12 under the action of the air inlet pipe and the positioning piece, and deformation caused by pressing on the shifting piece body 16 due to installation of the air inlet pipe 3 can be effectively prevented;
according to the drawings 1, 4 and 5, when the air inlet pipe 3 needs to be taken, the air inlet pipe 3 is directly pulled upwards to enable the plectrum body 16 to turn upwards, the air inlet pipe 3 can be directly taken off, when the plectrum body 16 turns upwards, the rotating rod 17 arranged on the plectrum body 16 rotates to enable the gear shaft 19 at the end part of the rotating rod 17 to be meshed with the sawtooth racks 21, the sawtooth racks 21 and the limiting rod 24 are pulled upwards to enable the limiting spring 25 to deform, after the air inlet pipe 3 is taken out, the elastic force generated after the limiting spring 25 is pressed enables the sawtooth racks 21 to move upwards, the sawtooth racks 21 and the gear shaft 19 are meshed and connected, the plectrum body 16 is reset through downward turning movement, the plectrum body 16 is positioned more stably when in use, the plectrum body 16 cannot vibrate along with the movement change of the taking position of the respiratory function detector body 1, and the vibration of the plectrum body 16 is reduced through, the use antidetonation protection of plectrum body 16 is reached, avoids the vibration effect to make plectrum body 16 appear the local deformation damage of collision, influences the effect of assistance-localization real-time installation.
According to the invention, the rubber stop block and the reserved groove can perform relative telescopic motion only under the action of the telescopic rod which is rotatably installed and the elastic part which is fixed in the telescopic rod, the nylon pull rope is pulled by the moving block which is fixed on the rubber stop block, the sawtooth strip is pulled to move downwards, and the effect of the sawtooth strip and the gear shaft from the meshing connection state to the non-meshing connection state is realized, so that the plectrum body is enabled to lose the rotation limiting effect from the overturning motion state, the plectrum of the air inlet pipe on the positioning piece and the rubber stop block can be limited by the action of a person, the convenient auxiliary installation and positioning of the air inlet pipe are completed, and;
under the intermeshing connection effect of sawtooth rack and gear shaft, make the intake pipe still can be good taking fast after being carried on spacingly by the plectrum, the operation of taking of intake pipe can not be influenced in the use of plectrum, the plectrum directly receives the connection location of sawtooth rack and gear shaft when using simultaneously, simultaneously because spacing spring's elastic action and gag lever post are spacing, make the location installation of plectrum more firm, and can not appear vibrating along with the removal of detector when using, avoid the plectrum to cause its striking deformation damage when using because of the vibration problem, maintain the good result of use of plectrum.
Also provided in other embodiments are:
a respiratory function detector capable of preventing the deformation of a plectrum comprises: the breathing energy detector comprises a breathing energy detector body, a threaded hose, an air inlet pipe and a positioning mechanism as described in embodiment 1; a positioning seat of the positioning mechanism is arranged on one side surface of the detector body through a positioning plate; the air inlet pipe is connected with the detector body through a threaded hose; the air inlet pipe is clamped and positioned in the accommodating space of the positioning mechanism.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A positioning mechanism capable of preventing a shifting block from deforming is characterized by comprising: the positioning piece is connected with the positioning seat and provided with a bending section with a set angle, and an accommodating space is formed between the bending section and the positioning seat; the positioning piece is hinged with the shifting piece body through a rotating rod; one side of the accommodating space close to the positioning seat is provided with an elastic component with an inclined plane, one end of the elastic component is hinged with the positioning seat, the other end of the elastic component is connected with the rotating rod through a transmission mechanism, and the elastic component moves along a set direction to drive the shifting piece body to rotate for a set angle, so that the clamping and the positioning in the accommodating space are realized.
2. The positioning mechanism according to claim 1, wherein a reserved groove is formed in the positioning seat, an elastic member is installed in the reserved groove, the elastic member comprises a rubber stopper and a telescopic rod, the side surface of the rubber stopper close to the reserved groove is hinged to one end of the telescopic rod, and the other end of the telescopic rod is hinged to the inner wall of the reserved groove; an elastic part is fixed inside the telescopic rod.
3. The positioning mechanism according to claim 2, wherein an inner cavity is formed in the positioning member, a transmission mechanism is arranged in the inner cavity, a sliding groove is reserved between the positioning member and the end part of the inner cavity, the bottom of the rubber stopper is connected with one end of the moving block, and the other end of the moving block penetrates through the sliding groove and is arranged in the inner cavity to be connected with the transmission mechanism; the top of the bending section of the positioning piece is hinged with the shifting piece body.
4. The positioning mechanism of claim 1, wherein the transmission mechanism comprises a gear shaft, a rack, a limit rod, a limit ring and a pull rope; the gear shaft is fixedly connected with the rotating rod, one end of the rack is connected with the limiting rod, and the tooth surface of the rack is matched with the gear shaft; one end of the pull rope is connected with one end of the limiting rod, and the other end of the pull rope is connected with the elastic component; the limiting rod is matched with the limiting ring through a limiting spring to achieve the limiting effect of the movement of the rack.
5. The positioning mechanism according to claim 1, wherein the bending section angle of the positioning member is 90 °, the positioning member is integrally in an L-shaped structure, a groove is formed in the top of the L-shaped structure, and the groove is hinged to the pick body.
6. The positioning mechanism according to claim 1, wherein the pick body is a V-shaped structure with a set opening angle, a bending area of the V-shaped structure is hinged to the positioning member through a rotating rod, and a fine rotating roller is embedded in the top of the pick body.
7. The positioning mechanism as set forth in claim 1, wherein the edge of the rubber stopper is connected to the reserve groove by a spacer rubber band.
8. The positioning mechanism of claim 1 wherein the positioning socket is connected to a positioning member, the positioning member having a bolt hole, the positioning member being used to mount the positioning mechanism in a set position.
9. The positioning mechanism according to claim 1, wherein a slide bar is disposed on an inner wall of the inner cavity of the positioning member, and the rack is disposed in the slide bar through a slide block to realize sliding connection between the rack and the inner cavity of the positioning member.
10. A respiratory function detector capable of preventing a plectrum from deforming is characterized by comprising: a breath ventilation detector body, a threaded hose, an air inlet tube and a positioning mechanism according to claims 1-9; a positioning seat of the positioning mechanism is arranged on one side surface of the detector body through a positioning plate; the air inlet pipe is connected with the detector body through a threaded hose; the air inlet pipe is clamped and positioned in the accommodating space of the positioning mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285987.1A CN111528850B (en) | 2020-04-13 | 2020-04-13 | Positioning mechanism capable of preventing shifting piece from deforming and respiratory function detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010285987.1A CN111528850B (en) | 2020-04-13 | 2020-04-13 | Positioning mechanism capable of preventing shifting piece from deforming and respiratory function detector |
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| CN111528850A true CN111528850A (en) | 2020-08-14 |
| CN111528850B CN111528850B (en) | 2021-08-06 |
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| CN209977448U (en) * | 2019-06-14 | 2020-01-21 | 肖景贤 | Fixing device for water conservancy and hydropower buried pipe |
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| CN111528850B (en) | 2021-08-06 |
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