CN102116347A - Guiding device and breathing machine applying same - Google Patents
Guiding device and breathing machine applying same Download PDFInfo
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- CN102116347A CN102116347A CN 200910217573 CN200910217573A CN102116347A CN 102116347 A CN102116347 A CN 102116347A CN 200910217573 CN200910217573 CN 200910217573 CN 200910217573 A CN200910217573 A CN 200910217573A CN 102116347 A CN102116347 A CN 102116347A
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- guiding device
- guiding
- guide sleeve
- moving element
- pilot hole
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Abstract
The invention provides a guiding device which comprises a guiding sleeve, guiding holes and guiding columns, wherein the guiding sleeve is provided with an inner wall, and a space for reciprocating motions of motion components is formed at the inner wall; the guiding holes are arranged on the inner wall and are intersected with the inner wall; at least two guide holes are arranged; the direction of the guiding holes is accordance with the direction of reciprocating motions of the motion components; and the guiding columns penetrate in the guiding holes, and are used for providing guidance and support for the motion components. According to the invention, the guiding device has a simple stucture, and not only is the problem of structure intensity solved, but also the problem of lubricating oil free is solved through using the minimum volume; the friction contact area and friction coefficient between the motion components and the guiding device are reduced maximally by the line contact form of the motion components and the guiding device; and according to the invention, the guiding device is convenient to dismount, the device is convenient to disinfect at a high temperature to satisfy the use requirement in health care devices.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of guiding device and use the respiratory machine of this device.
Background technique
Being used at present supporting the existing standard parts of doing linear reciprocating motion by given direction with the direct straight motion parts generally is linear rail and linear bearing.Linear rail is adapted at high capacity and has certain moment of torsion, requirement simultaneously to realize using under the high-precision straight-line situation, and shortcoming is that volume is big, and more complicated is installed, and needs lubricated.Linear bearing is used for the less demanding straight reciprocating motion of rated load more, but needs extra installation sleeve, and radially installation dimension is bigger, and the manufacturing process more complicated is not easy by specific installation requirement customization.
Summary of the invention
The present invention aims to provide a kind of guiding device, and the straight reciprocating motion guiding device volume that can solve prior art is big, complex structure and can not be by specific problems such as installation requirement customization.
In an embodiment of the present invention, provide a kind of guiding device, having comprised: guide sleeve, have inwall, inwall forms and is fit to the reciprocating space of moving element within it; Pilot hole is arranged on the inwall and with inwall and intersects; Pilot hole is at least 2; The pilot hole direction is consistent with the reciprocating direction of moving element; Directional post is located in the pilot hole, is used to moving element that guiding and support are provided.
Preferably, pilot hole is blind hole or through hole.
Preferably, guiding device also comprises: flange, flange are provided with the through hole that passes for moving element; The end face of guide sleeve is provided with first mounting hole that is used for mounting flange, and flange and guide sleeve are spirally connected by screw and compress directional post.
Preferably, guiding device also comprises: heating wire; Temperature probe; The outer surface of guide sleeve is provided with circular groove, is used to install heating wire; Has the second axial mounting hole at least one end face of guide sleeve, in order to temperature probe to be installed.
Preferably, guide sleeve is a round tube shape structure.
Preferably, pilot hole is 3, is arranged on the inwall equably.
Preferably, directional post one end has the conical surface.
Preferably, directional post is the polyoxymethylene material.
Preferably, guiding device is the straight reciprocating motion guiding device.
The present invention also provides a kind of respiratory machine, comprises each described guiding device of front, and the moving element of guiding device is the spool of respiratory machine suction control valve; Spool is done linear reciprocating motion by the drive mechanism of respiratory machine along guiding device.
Because adopted guide sleeve, have inwall, inwall forms and is fit to the reciprocating space of moving element within it; Pilot hole is arranged on the inwall and with inwall and intersects; Pilot hole is at least 2, and the pilot hole direction is consistent with the reciprocating direction of moving element; Directional post is located in the pilot hole, is used to moving element that guiding is provided.Because the inwall of guide sleeve has the reciprocating space of suitable moving element within it, guide sleeve can be customized to various shape according to the difference of moving element; What moving element was play the guiding role is the guiding element of a cylinder that is located at least 2 pilot holes, reduced the area of contact between moving element and the directional post to greatest extent, so overcome that the straight reciprocating motion guiding device volume of prior art is big, complex structure, had lubricant oil and can not be by specific problems such as installation requirement customization, so reached simple in structure, friction factor is extremely low, installation volume is little and the effect of convenient customization.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the structure according to the guiding device in the embodiment of the invention;
Fig. 2 has schematically shown the structure according to the guide sleeve in the embodiment of the invention;
Fig. 3 has schematically shown the structure according to the directional post in the embodiment of the invention;
Fig. 4 has schematically shown the structure according to a kind of respiratory machine in the embodiment of the invention.
Embodiment
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 to Fig. 3 has schematically shown according to a kind of guiding device that provides in the embodiment of the invention, as shown in the figure, comprising: guide sleeve 10, have inwall 101, and inwall 101 forms and is fit to the reciprocating space of moving element 80 within it; Pilot hole 102 is arranged on the inwall 101 and with inwall 101 and intersects; Pilot hole 102 is at least 2; Pilot hole 102 directions are consistent with moving element 80 reciprocating directions; Directional post 20 is located in the pilot hole 102, is used to moving element 80 that guiding and support are provided.Guide sleeve 10 can be made various non-standard components according to the shape of moving element, its inwall 101 cross sections for example are ring or abnormity, and for example when moving element 80 when being cylindrical, guide sleeve 10 is a round tube shape structure, guide sleeve 10 is cylindrical, and inwall is cylindrical; When moving element 80 has bump, guide sleeve 10 can be according to the needs of moving element 80, on inwall 101, offer and corresponding special-shaped groove of bump or hole, special-shaped groove of offering or hole can be on the inwall 101, also can move reciprocatingly along its inwall 101 as long as be fit to moving element 80 for running through the special-shaped groove or the hole of inwall 101 and the outer surface of guide sleeve.
Preferably, guide sleeve 10 can not adopt aluminum alloy material when requirement of strength is not very high, directional post 20 can have the material of good self-lubricating property for polyoxymethylene material or other, and directional post 20 wear resistancies of polyoxymethylene material are better, and friction factor is extremely low.Adopt two kinds of above-mentioned materials to be embedded as a whole cleverly according to guiding device of the present invention, form the composite material of material advantage complementation, thereby both solved the structural strength problem of guiding device with minimum volume, solved the oil-free lubrication problem of guiding device again.Certainly, guide sleeve 10 is not limited to aluminum alloy material, and directional post 20 also is not limited to the polyoxymethylene material, and guide sleeve 10 and directional post also can be other suitable material.
Preferably, as shown in Figure 1, pilot hole 102 is blind hole or through hole.Guiding device also comprises: flange 30, flange 30 are provided with the through hole that passes for moving element 80; The end face of guide sleeve 10 is provided with first mounting hole (not shown first mounting hole) that is used for mounting flange, do under the prerequisite of back and forth movement not influencing moving element 80, flange 30 is screwed onto by the screw that is located between the flange 30 and first mounting hole with guide sleeve 10, and flange 10 compresses directional post 20, is used to prevent that directional post 20 from moving.For example when pilot hole 102 was blind hole, flange 30 lids were located at the end that pilot hole 20 left by guide sleeve 10, and compress mutually with directional post 20; When pilot hole 102 was through hole, flange 30 lids were located on two end faces of guide sleeve 10, clamp directional post 20, thus the axial freedom of restricted guidance post 20, and flange 30 also can be used for the end face of described guide sleeve 10 and installs.In addition, also flange 30 can be set,, make directional post 20 can not skid off guide sleeve 10 by closely cooperating of directional post 20 and pilot hole 102; Perhaps flange 30 directly is not pressed on the directional post 20, between directional post 20 and flange 30 other component can be set, to play the effect of fixed guide post.
Preferably, guiding device as shown in Figure 1, also comprises: heating wire 40; Temperature probe 50; The outer surface of guide sleeve 10 is provided with circular groove 104, is used to install heating wire 40; Has the second axial mounting hole 103 at least one end face of guide sleeve 10, in order to temperature probe 50 to be installed.Certain second mounting hole 103 also can be axially disposed within on the outer surface of guide sleeve 10 and waits other suitable position.By heating wire 40 and temperature probe 50 are set on guide sleeve 10, can guarantee that guide sleeve 10 works under stationary temperature, thereby avoid the influence of thermal distortion, and temperature probe 50 is removably mounted on the guide sleeve 10, thereby is convenient to guiding device is carried out high-temperature sterilization guiding accuracy.
Preferably, as shown in Figure 2, pilot hole 102 is 3, is arranged on equably on the inwall 101.Guide sleeve 10 is a round tube shape structure, and 3 pilot holes 102 are arranged on equably and are used to install directional post 20 on the cylinder shape inner wall 101.Radial cross section from guide sleeve, 3 directional posts 20 are 3 points with moving element 80 intersections, according to geometrical principle, 3 all the time on a circle, the small alignment error of directional post 20 thus, can not influence the guiding accuracy of guiding device, and determined a plane at 3, this plane guarantees can not shake in moving element 80 movement processes.More stable by 3 directional posts to this structure of moving element guiding, smooth running in the time of guaranteeing more that moving element is done straight reciprocating motion.In addition, pilot hole 102 also can be according to load situation and other parts needs of installation of guide sleeve 10, uneven distribution on cylinder shape inner wall 101.After 3 pilot holes of guide sleeve were installed directional post, 3 guiding elements of a cylinder just formed 3 guiding buses in the space that inwall 101 surrounds, be used to support and guide the moving element 80 of doing straight reciprocating motion in described guide sleeve.Certainly, pilot hole 102 can be according to the needs of moving element 80 structures that led, non-homogeneous being arranged on the inwall 101.
Preferably, directional post 20 1 ends have the conical surface, and being convenient to like this install and guiding needs the moving element 80 of guiding to enter described guide sleeve 10.
The present invention also provides a kind of respiratory machine, comprises foregoing guiding device, and the moving element of guiding device is the spool of respiratory machine suction control valve.Spool is done linear reciprocating motion by the drive mechanism of respiratory machine along guiding device.
Guiding device of the present invention is implemented on a kind of respiratory machine, and respiratory machine is a kind of assisted ventilation unit, and patient provides mechanical ventilation for respiratory failure.As shown in Figure 4, use respiratory machine of the present invention, comprising: guiding device; Spool 80; Suction control valve driving mechanism 70, the suction control valve valve body; Guiding device of the present invention is used for spool 80 (being the present invention's the moving element) guiding to the respiratory machine suction control valve.This respiratory machine drives spool 80 move left and right in guiding device according to the present invention by the driving mechanism 70 of control suction control valve, and then the unlatching size of change valve port 60 realizes the various mode of operations of respiratory machine.Use a kind of respiratory machine of the present invention, spool 80 has extremely low kinetic friction resistance, does not need oil lubrication, and spool 80 is convenient to cleaning-sterilizing and can be guaranteed that spool 80 is operated under the stationary temperature, and then makes the stable working, safe and reliable of respiratory machine.In addition, guiding device according to the present invention is not limited to use on respiratory machine, and it is first-class to be applied to other equipment that for example needs to control the valve port size.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
A kind of guiding device according to the present invention is simple in structure, uses minimum volume both to solve the structure strength problem, has solved the oil-free lubrication problem again; The form that moving element contacts with the guiding device line has reduced the rubbing contact area and the friction factor of moving element and guiding device to greatest extent; And according to guiding device easy disassembly of the present invention, be convenient to, to satisfy the use in medical equipment to the guiding device high-temperature sterilization.In addition, can also be customized to various polymorphic structures according to the structure of different moving elements according to a kind of guiding device of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a guiding device is characterized in that, comprising:
Guide sleeve has inwall, and described inwall forms and is fit to the reciprocating space of described moving element within it;
Pilot hole is arranged on the described inwall and with described inwall and intersects; Described pilot hole is at least 2; Described pilot hole direction is consistent with the reciprocating direction of described moving element;
Directional post is located in the described pilot hole, is used to described moving element that guiding and support are provided.
2. guiding device according to claim 1 is characterized in that, described pilot hole is blind hole or through hole.
3. guiding device according to claim 2 is characterized in that, also comprises: flange, described flange are provided with the through hole that passes for described moving element; The end face of described guide sleeve is provided with first mounting hole that is used to install described flange, and described flange and described guide sleeve are spirally connected by screw and compress the residence and state directional post.
4. guiding device according to claim 3 is characterized in that, also comprises: heating wire; Temperature probe; The outer surface of described guide sleeve is provided with circular groove, is used to install described heating wire; Has the second axial mounting hole at least one end face of described guide sleeve, in order to described temperature probe to be installed.
5. according to each described guiding device in the claim 1 to 4, it is characterized in that described guide sleeve is a round tube shape structure.
6. guiding device according to claim 5 is characterized in that, described pilot hole is 3, is arranged on equably on the described inwall.
7. guiding device according to claim 6 is characterized in that, described directional post one end has the conical surface.
8. guiding device according to claim 7 is characterized in that, described directional post is the polyoxymethylene material.
9. guiding device according to claim 8 is characterized in that, described guiding device is the straight reciprocating motion guiding device.
10. a respiratory machine is characterized in that, comprises each described guiding device in the claim 1 to 9, and the moving element of described guiding device is the spool of respiratory machine suction control valve; Described spool is done linear reciprocating motion by the drive mechanism of described respiratory machine along described guiding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217573 CN102116347B (en) | 2009-12-31 | 2009-12-31 | Guiding device and breathing machine applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217573 CN102116347B (en) | 2009-12-31 | 2009-12-31 | Guiding device and breathing machine applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116347A true CN102116347A (en) | 2011-07-06 |
| CN102116347B CN102116347B (en) | 2013-03-27 |
Family
ID=44215238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910217573 Expired - Fee Related CN102116347B (en) | 2009-12-31 | 2009-12-31 | Guiding device and breathing machine applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102116347B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874063A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator component |
-
2009
- 2009-12-31 CN CN 200910217573 patent/CN102116347B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874063A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator component |
| CN104874063B (en) * | 2014-02-28 | 2019-06-25 | 北京谊安医疗系统股份有限公司 | Breathe thermomechanical components |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102116347B (en) | 2013-03-27 |
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