CN207033975U - Rotary positioning mechanism - Google Patents
Rotary positioning mechanism Download PDFInfo
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- CN207033975U CN207033975U CN201720948788.8U CN201720948788U CN207033975U CN 207033975 U CN207033975 U CN 207033975U CN 201720948788 U CN201720948788 U CN 201720948788U CN 207033975 U CN207033975 U CN 207033975U
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- Prior art keywords
- positioning mechanism
- rotary positioning
- circle body
- flexible
- diameter springs
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Abstract
The utility model provides a kind of rotary positioning mechanism, including upper connector, lower connector, flexible diameter springs and friction plate；Flexible diameter springs are enclosed on upper connector, flexible diameter springs include several first circle bodies and the second circle body formed by spring steel wire helical buckling, the external diameter of first circle body is more than the external diameter of the second circle body, and first circle body and the second circle body be alternately arranged upwards in spring shaft, first circle body can be under pressure, shunk along the radial direction of flexible diameter springs body, at least a piece of friction plate is configured with the outside of the flexible diameter springs.In the rotary positioning mechanism that the application provides, because flexible diameter springs support friction plate and sleeve friction produce frictional force, thus rotary positioning mechanism is after rotation without under external force effect, reset will not be produced because of the gravity of attached article on upper connector, and the rotation of 360 degree of arbitrary orientations can be realized.
Description
Technical field
It the utility model is related to technical field of medical equipment, and in particular to a kind of rotational positioning machine for Medical Instruments
Structure.
Background technology
Existing many instrument and equipments are required for fine-tuning the orientation of equipment when in use, can be accurately right
Quasi- target.But the hand that most instrument and equipment still uses twists the regulative mode of knob, inventor's research of the present utility model
It was found that using hand twist knob adjust orientation operation when, it is necessary to one it is hand steered live instrument and equipment, another hand operation knob, and
Need operation twice, once unscrew knob adjustment position, tighten knob after once adjusting good position, sometimes also need to two people one
Playing operation could complete, and some equipment need frequently to rotate regulation orientation when working, thus can allow operating personnel in regulation
It is very inconvenient.
The content of the invention
Need to fine-tune the orientation of equipment when in use for existing many instrument and equipments, most instrument
Equipment still uses the regulative mode of the stubborn knob of hand, and hand twists knob when adjusting orientation operation, it is necessary to a hand steered firmly instrument
Equipment, another hand operation knob, and need to operate twice, once unscrew knob adjustment position, twisted after once adjusting good position
Tight knob, sometimes also need to two people and operate could complete together, thus very inconvenient technical problem, the utility model provides
A kind of rotary positioning mechanism for Medical Instruments.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：
A kind of rotary positioning mechanism, including upper connector, lower connector, flexible diameter springs and friction plate；The flexibility
Diameter springs are enclosed on upper connector, the flexible diameter springs include being formed by spring steel wire helical buckling several first
Circle body and the second circle body, the external diameter of first circle body are more than the external diameter of the second circle body, and first circle body and the second circle body
It is alternately arranged upwards in spring shaft, first circle body can under pressure, along the radial direction of flexible diameter springs body
Shrink, at least a piece of friction plate is configured with the outside of the flexible diameter springs.
Further, the upper connector includes upper connection end and lower connection end, and the lower connector includes connecting seat and set
Cylinder, the lower connection end are connected through sleeve with connecting seat limited support, radial direction branch of the friction plate through flexible diameter springs
The inwall of support force and sleeve is fitted close.
Further, the upper connection end includes annulus, the inwall of the annulus be provided with a pair of orthogonal interior buckles and
Outer buckle, and two flushes that the interior buckle and wild card are deducted points not with annulus, the lower end of the annulus is connected with limiting stand
Rank；The limited step has fixing groove, and the upper end of the friction plate coordinates with upper fixing groove.
Further, the lower connection end includes the connecting pole being connected with upper connection end lower end, and the connecting pole lower section is successively
Lead, limited step, lower fixing groove, annular card key, stopper slot and neck are connected with, the flexible diameter springs, which are set in, leads
Contradicted on to post and with the upper surface of limited step, the friction plate coordinates with lower fixing groove, and the latter end of the lower connection end is set
There is screw thread, the latter end of the lower connection end is connected through connecting seat and by nut thread.
Further, also it is arranged with snap ring on the stopper slot.
Further, the neck is provided with pad.
Further, the pad includes packing ring and the banking stop being connected with packing ring.
Further, the upper connection end and lower connection end, and the connecting seat and sleeve are to be connected to one.
Further, the connecting seat includes upper base plate and the first side plate for being connected respectively with upper base plate relative side and the
Two side plates, the upper surface of the upper base plate are provided with by the through hole of sleeve shade, and the upper base plate lower section is connected with adapter sleeve, described
First side plate and the second side plate are provided with some connecting holes.
Compared with prior art, in rotary positioning mechanism provided by the utility model, between upper connector and lower connector
It is fixedly connected by screw thread and nut, flexible diameter springs, flexible diameter springs is provided between upper connector and lower connector
Several first circle bodies and the second circle body formed by spring steel wire helical buckling, the external diameter of first circle body are more than the second circle
The external diameter of body, and first circle body and the second circle body are alternately arranged on spring shaft, can under pressure, the first circle body edge
The hand of spiral of spring body is shunk, and the spring outwards are configured with some friction plates, and the friction plate is by flexible diameter springs
Radial support power be fitted tightly on lower connector, adjust the radial direction branch of flexible diameter springs by adjusting the nut of termination
Support force, so as to control the support force of flexible diameter springs axially and radially, it is possible thereby to control rubbing between friction plate and sleeve
Power size is wiped, when adjusting gyrobearing angle, because flexible diameter springs support friction plate and sleeve friction produce frictional force, and
The pad that screw thread and nut junction are set can also produce frictional force with protective case, and thus rotary positioning mechanism does not have after rotation
Under external force effect, reset will not be produced because of the object gravity connected on upper connector, and 360 degree of arbitrary orientations can be realized
Rotation；Solve the problems, such as that existing many instrument and equipments are not easy to fine-tune the orientation of equipment when in use.
Therefore, rotary positioning mechanism provided by the utility model, when adjusting orientation operation, it is only necessary to which direct two hands are held instrument and entered
Row gyrobearing is just, it is not necessary to which Primary regulation needs to operate twice, and with the instrument for needing frequently to adjust orientation, adjusts
Also can be very convenient.
Brief description of the drawings
Fig. 1 is the overall structure figure when rotary positioning mechanism that utility model embodiment provides coordinates.
Overall structure figure when Fig. 2 is the rotary positioning mechanism separation that utility model embodiment provides.
Fig. 3 is the sectional view for the rotary positioning mechanism that utility model embodiment provides.
Fig. 4 is the upward view for the rotary positioning mechanism that utility model embodiment provides.
Fig. 5 is the lower connector top view for the rotary positioning mechanism that utility model embodiment provides.
Fig. 6 is the flexible diameter springs front view for the rotary positioning mechanism that utility model embodiment provides.
In figure, 1, upper connector；11st, upper connection end；110th, annulus；111st, interior buckle；112nd, outer buckle；113 limiting stands
Rank；12 times connection ends；120th, upper fixing groove；121st, lead；122nd, limited step；123rd, lower fixing groove；124th, annular card key；
125th, stopper slot；126th, neck；127th, screw thread；2nd, lower connector；21st, connecting seat；210th, upper base plate；211st, the first side plate；
212nd, the second side plate；213rd, through hole；214th, protective case；215th, connecting hole；22nd, sleeve；3rd, friction plate；4th, flexible diameter springs；
41st, the first circle body；42nd, the second circle body；5th, snap ring；6th, pad；61st, banking stop；7th, nut.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instruction such as degree ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In description of the present utility model, unless otherwise indicated, " multiples' " contains
Justice is two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Specific embodiment, it refer to shown in Fig. 1 to Fig. 6, a kind of rotary positioning mechanism, including upper connector 1, lower connector
2nd, flexible diameter springs 4 and friction plate 3；The flexible diameter springs 4 are enclosed on upper connector 1, and the flexible diameter springs 4 wrap
Several circle bodies 42 of the first circle body 41 and second formed by spring steel wire helical buckling are included, the external diameter of first circle body 41 is big
In the external diameter of the second circle body 42, and the circle body 42 of first circle body 41 and second is alternately arranged upwards in spring shaft, and described first
Circle body 41 can shrink, outside the flexible diameter springs 4 along the radial direction of the flexible body of diameter springs 4 under pressure
Side is configured with least a piece of friction plate 3.
Compared with prior art, in rotary positioning mechanism provided by the utility model, between upper connector and lower connector
It is fixedly connected by screw thread and nut, flexible diameter springs, flexible diameter springs is provided between upper connector and lower connector
Several first circle bodies and the second circle body formed by spring steel wire helical buckling, the external diameter of first circle body are more than the second circle
The external diameter of body, and first circle body and the second circle body are alternately arranged on spring shaft, can under pressure, and great circle is along spring
The hand of spiral of body is reduced to essentially identical with the external diameter of ringlet, and the spring outwards are configured with some friction plates, the friction
Piece is fitted tightly on lower connector by the radial support power of flexible diameter springs, and flexibility is adjusted by adjusting the nut of termination
The radial support power of diameter springs, so as to control the support force of flexible diameter springs axially and radially, it is possible thereby to control friction
Frictional force size between piece and sleeve, when adjusting gyrobearing angle, because flexible diameter springs support friction plate and sleeve
Friction produces frictional force, and the pad that screw thread and nut junction are set can also produce frictional force with protective case, and thus rotation is fixed
Position mechanism without under external force effect, will not produce reset because of the object gravity connected on upper connector after rotation, and can
Realize the rotation of 360 degree of arbitrary orientations；Efficiently solve existing much instrument and equipments and be not easy to the orientation to equipment when in use
The problem of being fine-tuned.Therefore, rotary positioning mechanism provided by the utility model, when adjusting orientation operation, it is only necessary to
Direct two hands hold instrument and carry out gyrobearing just, it is not necessary to which Primary regulation needs to operate twice, and frequent used in needing
On the instrument for adjusting orientation, regulation also can be very convenient.
As specific embodiment, the upper connector 1 includes upper connection end 11 and lower connection end 12, the lower connector 2
Including connecting seat 21 and sleeve 22, the lower connection end 12 is connected through sleeve 22 with the limited support of connecting seat 21, the friction
Radial support power of the piece 3 through flexible diameter springs 4 and the inwall of sleeve 22 are fitted close, thus in adjustment gyrobearing angle
When, friction plate can make rotary positioning mechanism after rotation stops with frictional force caused by sleeve, and not have under external force effect, will not
Reset is produced because of the gravity of attached article on upper connector..
As specific embodiment, the upper connection end 11 includes annulus 110, and the inwall of the annulus 110 is provided with a pair of phases
Mutually vertical interior buckle 111 and outer buckle 112, and the interior buckle 111 and outer buckle 112 two surfaces with annulus 110 respectively
Concordantly, the lower end of the annulus 110 is connected with limited step 113, it is possible thereby to limit the flexible diameter springs of contact；It is described spacing
Step 113 has fixing groove 120, and the upper end of the friction plate 3 coordinates it is possible thereby to fixed friction piece with upper fixing groove 120
Slip will not be produced.
As specific embodiment, the lower connection end 12 includes the connecting pole being connected with the upper lower end of connection end 11, the company
Connect and be connected with lead 121, limited step 122, lower fixing groove 123, annular card key 124, stopper slot 125 and card below post in turn
Groove 126, the flexible diameter springs 4 are set on lead 121 and contradicted with the upper surface of limited step 122, it is possible thereby to
Traction limits flexible diameter springs；The friction plate coordinates with lower fixing groove 123, and the latter end of the lower connection end 12 is provided with screw thread
127, the latter end of the lower connection end 12 is threadedly coupled through connecting seat 21 and by nut 7, thus plays protection and connection is solid
Fixed effect, and the radial support power of flexible diameter springs can be adjusted by adjusting the nut of termination, so as to control flexibility
Diameter springs radial support power, it is possible thereby to control the size of the frictional force of friction plate and sleeve.
As specific embodiment, snap ring 5 is also arranged with the stopper slot 124, it is possible thereby to play in limitation and protection
The effect of connector and lower connector.
As specific embodiment, thus the neck 126 plays provided with pad 6 does not protect screw thread and nut at work not
The effect that can be destroyed by revolving force and tightening force.
As specific embodiment, the pad 6 includes packing ring and the banking stop 61 being connected with packing ring, thus can make pad
External force will not be followed to rotate a circle, so as to protect pad that nut will not be made to depart from screw thread because of revolving force.
As specific embodiment, the upper connection end 11 and lower connection end 12, and the connecting seat 21 and sleeve 22 it is equal
To be connected to one, thus globality is strong, there is good shock resistance, and easy to process.
As specific embodiment, the connecting seat 21 includes upper base plate 210 and is connected respectively with upper base plate relative side
The first side plate 211 and the second side plate 212, the upper surface of the upper base plate 210 is provided with by the through hole 213 of the shade of sleeve 22, institute
State the lower section of upper base plate 210 and be connected with adapter sleeve 214, it is possible thereby to upper base plate is preferably protected, first side plate 211 and second
Side plate 212 is provided with some connecting holes 215, it is possible thereby to be connected to by connecting hole on miscellaneous part.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (9)
1. a kind of rotary positioning mechanism, it is characterised in that including upper connector (1), lower connector (2), flexible diameter springs (4)
With friction plate (3)；The flexible diameter springs (4) are enclosed on upper connector (1), and the flexible diameter springs (4) are included by bullet
Several first circle bodies (41) and the second circle body (42) that spring steel wire spiral is bent to form, the external diameter of first circle body (41) are big
External diameter in the second circle body (42), and first circle body (41) and the second circle body (42) are alternately arranged upwards in spring shaft, institute
The first circle body (41) is stated to shrink along the radial direction of flexible diameter springs (4) body, the flexible diameter under pressure
At least a piece of friction plate (3) is configured with the outside of spring (4).
2. rotary positioning mechanism according to claim 1, it is characterised in that the upper connector (1) includes upper connection end
(11) and lower connection end (12), the lower connector (2) include connecting seat (21) and sleeve (22), and the lower connection end (12) is worn
Cross sleeve (22) to be connected with connecting seat (21) limited support, the radial support power of the friction plate (3) through flexible diameter springs (4)
It is fitted close with the inwall of sleeve (22).
3. rotary positioning mechanism according to claim 2, it is characterised in that the upper connection end (11) includes annulus
(110), the inwall of the annulus (110) is provided with a pair of orthogonal interior buckles (111) and outer buckle (112), and described interior
Two flushes with annulus (110), the lower end connection of the annulus (110) are limited respectively for buckle (111) and outer buckle (112)
Position step (113)；The limited step (113) has fixing groove (120), upper end and the upper fixation of the friction plate (3)
Groove (120) coordinates.
4. rotary positioning mechanism according to claim 2, it is characterised in that the lower connection end (12) includes and upper connection
The connecting pole of (11) lower end connection is held, is connected with lead (121), limited step (122), lower solid below the connecting pole in turn
Determine groove (123), annular card key (124), stopper slot (125) and neck (126), the flexible diameter springs (4) are set in guiding
Contradicted on post (121) and with the upper surface of limited step (122), the friction plate coordinates with lower fixing groove (123), the lower company
The latter end for connecing end (12) is provided with screw thread (127), and the latter end of the lower connection end (12) through connecting seat (21) and passes through nut
(7) it is threadedly coupled.
5. rotary positioning mechanism according to claim 4, it is characterised in that be also arranged with card on the stopper slot (124)
Ring (5).
6. rotary positioning mechanism according to claim 4, it is characterised in that the neck (126) is provided with pad (6).
7. rotary positioning mechanism according to claim 6, it is characterised in that the pad (6) include packing ring and with pad
Enclose the banking stop (61) of connection.
8. rotary positioning mechanism according to claim 2, it is characterised in that the upper connection end (11) and lower connection end
(12), and the connecting seat (21) and sleeve (22) are to be connected to one.
9. rotary positioning mechanism according to claim 2, it is characterised in that the connecting seat (21) includes upper base plate
(210) the first side plate (211) and the second side plate (212) and with upper base plate relative side being connected respectively, the upper base plate
(210) upper surface is provided with is connected with adapter sleeve by the through hole (213) of sleeve (22) shade, upper base plate (210) lower section
(214), first side plate (211) and the second side plate (212) are provided with some connecting holes (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948788.8U CN207033975U (en) | 2017-07-31 | 2017-07-31 | Rotary positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948788.8U CN207033975U (en) | 2017-07-31 | 2017-07-31 | Rotary positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033975U true CN207033975U (en) | 2018-02-23 |
Family
ID=61461771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948788.8U Expired - Fee Related CN207033975U (en) | 2017-07-31 | 2017-07-31 | Rotary positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771786A (en) * | 2019-03-08 | 2019-05-21 | 巴豪斯医疗器械（苏州）有限公司 | A kind of handrail caliper arrangement of medical respiration machine support |
-
2017
- 2017-07-31 CN CN201720948788.8U patent/CN207033975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771786A (en) * | 2019-03-08 | 2019-05-21 | 巴豪斯医疗器械（苏州）有限公司 | A kind of handrail caliper arrangement of medical respiration machine support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |