CN208268606U - A kind of conduit rotary seal structure - Google Patents
A kind of conduit rotary seal structure Download PDFInfo
- Publication number
- CN208268606U CN208268606U CN201820885543.XU CN201820885543U CN208268606U CN 208268606 U CN208268606 U CN 208268606U CN 201820885543 U CN201820885543 U CN 201820885543U CN 208268606 U CN208268606 U CN 208268606U
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- China
- Prior art keywords
- sleeve
- casing
- snap ring
- seal structure
- rotary seal
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Abstract
The utility model relates to medical instruments fields, refer in particular to a kind of conduit rotary seal structure, including first sleeve, the second casing, the outer surface of the first sleeve is provided with snap ring, the open end of second casing is entrenched between first sleeve and snap ring, setting is fluted at the opened end section of first sleeve, is arranged in the second casing in an interference fit between first sleeve and the second casing, between the second casing and snap ring, only with the groove outer side edges of first sleeve.After adopting the above scheme, the verticity and sealing performance of conduit connection have been combined.
Description
Technical field
The utility model relates to medical instruments fields, refer in particular to a kind of conduit rotary seal structure.
Background technique
In medical instrument, need to use all kinds of conduits be infused, drained, air guide etc. function, in the conduit of T font
Junction, it is sometimes necessary to rotation adjustment be carried out to the connection direction of conduit, while considering the sealing of conduit connection again
Property problem, therefore, the present inventor makes further research this, develops a kind of conduit rotary seal structure, thus this case generates.
Utility model content
The purpose of this utility model is to provide a kind of conduit rotary seal structures, combine the rotation of conduit connection
Turn performance and sealing performance.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of conduit rotary seal structure, including first sleeve, the second casing, the outer surface of the first sleeve are provided with
The open end of snap ring, second casing is entrenched between first sleeve and snap ring, is arranged at the opened end section of first sleeve
It is fluted, between first sleeve and the second casing, between the second casing and snap ring, only with the groove outer side edges of first sleeve with mistake
The mode of cooperation of being full of is arranged in the second casing.
Further, it is provided with protrusion in second casing, all there are gaps between groove and protrusion.
Further, the snap ring inner surface offers card slot, and the outer surface of the second casing is provided with buckle, when the second casing
After being inserted between first sleeve and snap ring, the corner angle of the buckle deduct on the inclined surface of card slot.
Further, the second sleeve surface by the snap ring open end is provided with baffle ring.
Further, the groove outer side edges of the first sleeve have the elastic force expanded to the second internal surface of sleeve pipe, and second set
Inside pipe wall corresponds to the wall thickness that the wall thickness at the groove outer side edges of first sleeve is greater than its remainder.
Further, it is described be buckled in during insertion snap ring with snap ring contact surface be it is inclined, the snap ring connects with buckle
Contacting surface is arc.
After adopting the above scheme, the utility model compared with prior art, has the advantage that
Since the open end of the second casing is limited by snap ring, keep two conduits of junction not easy to fall off when rotated,
And each component there are gap resistance that it can be made to be subject to when rotated it is less, while first sleeve and the second casing are (here
First sleeve, the second casing refer to two conduits of conduit connection) between wherein one section of interference fit can play sealing
Effect, interference fit area is small, reduces turning moment.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the utility model embodiment；
Fig. 2 is the partial enlarged view at the place Fig. 1-A；
Fig. 3 is the partial enlarged view at the place Fig. 1-B；
Label declaration
First sleeve 1, the second casing 2, snap ring 3, the arcwall face 31 of snap ring,
Groove 4, protrusion 5, card slot 6, the inclined surface 61 of card slot,
Buckle 7, the corner angle 71 of buckle, the inclined surface 72 of buckle, baffle ring 8.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown, a kind of conduit rotary seal structure, by taking one of connecting node as an example: being connected including mutual fitting
First sleeve 1, the second casing 2, the outer surface of first sleeve 1 is provided with snap ring 3, can be between snap ring 3 and first sleeve 1
The open end of integral structure, the second casing 2 is entrenched between first sleeve 1 and snap ring 3, is not easy to place the second casing 2
It therefrom falls off, and not will cause huge resistance in rotation, therefore offer card slot 6 in 3 inner surface of snap ring, at second set
The outer surface of pipe 2 is provided with buckle 7, after the second casing 2 is inserted between first sleeve 1 and snap ring 3, makes the corner angle 71 of buckle
On the inclined surface of card slot 61, the resistance buckled between 7 and card slot 6 in this way is only that in any of contact for deduction, and card slot
The presence of inclined surface 61 can be convenient the second casing 2 of subsequent taking-up, and the arcwall face 31 of the inclined surface 72 and snap ring buckled is advantageous
It is lighter when being inserted between snap ring 3 and first sleeve 1 in the second casing 2.2 table of the second casing by 3 open end of snap ring
Face is provided with baffle ring 8, can play position-limiting action to the insertion of the second casing 2, snap ring 3 will not be damaged because overexerting.
Fluted 4 are arranged at the opened end section of first sleeve 1, protrusion 5 is provided in the second casing 2, protrusion 5 is located at recessed
Among slot 4, and all stayed between first sleeve 1 and the second casing 2, between the second casing 2 and snap ring 3, between groove 4 and protrusion 5
There is gap, is only arranged in the second casing 2 in an interference fit with 4 outer side edges of groove of first sleeve 1, there are gaps to be
In order to reduce the resistance in first sleeve 1 and the relative rotation of the second casing 2, and being interference fitted is to make it have sealing
Property, make 4 outer side edges of groove of first sleeve 1 that there is the elastic force expanded to 2 inner wall of the second casing, 2 inner wall of the second casing is corresponding
Wall thickness at 4 outer side edges of groove of first sleeve 1 is greater than the wall thickness of its remainder, due to opening up fluted 4, first set
The wall of 4 outer side edges of groove of pipe 1 is relatively thin, has better elastic deformation ability, has combined the complete of 1 inner wall of first sleeve
Property, contact area is small, and elastic deformation not will cause excessive resistance when rotated in turn, therefore has combined close
The reduction of envelope property and rotational resistance.
Above are only specific embodiment of the utility model, at the same involved in all the utility model as " it is upper and lower, left,
The words such as right, centre " are only used as to refer to, and first sleeve 1 here, the second casing 2 refer to two conduits of conduit connection,
Focus on connection structure between the two rather than quantity or the order of connection, not absolute limit, it is all to utilize the utility model
The change for carrying out unsubstantiality, shall fall into the category of infringing the protection scope of the present invention.
Claims (6)
1. a kind of conduit rotary seal structure, it is characterised in that: including first sleeve, the second casing, the first sleeve it is outer
Surface is provided with snap ring, and the open end of second casing is entrenched between first sleeve and snap ring, the open end of first sleeve
Setting is fluted at section, between first sleeve and the second casing, between the second casing and snap ring, only with the groove of first sleeve
Outer side edges are arranged in an interference fit in the second casing.
2. a kind of conduit rotary seal structure according to claim 1, it is characterised in that: be provided in second casing
Protrusion, all there are gaps between groove and protrusion.
3. a kind of conduit rotary seal structure according to claim 1, it is characterised in that: the snap ring inner surface offers
Card slot, the outer surface of the second casing are provided with buckle, after the second casing is inserted between first sleeve and snap ring, the buckle
Corner angle deduct on the inclined surface of card slot.
4. a kind of conduit rotary seal structure according to claim 3, it is characterised in that: by the snap ring open end
Two sleeve surfaces are provided with baffle ring.
5. a kind of conduit rotary seal structure according to claim 1, it is characterised in that: outside the groove of the first sleeve
Side has the elastic force expanded to the second internal surface of sleeve pipe, and the second internal surface of sleeve pipe corresponds to the wall at the groove outer side edges of first sleeve
Thickness is greater than the wall thickness of its remainder.
6. a kind of conduit rotary seal structure according to claim 3, it is characterised in that: described to be buckled in insertion snap ring mistake
With snap ring contact surface be in journey it is inclined, the snap ring and buckle contact surface are arcs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885543.XU CN208268606U (en) | 2018-06-08 | 2018-06-08 | A kind of conduit rotary seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885543.XU CN208268606U (en) | 2018-06-08 | 2018-06-08 | A kind of conduit rotary seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268606U true CN208268606U (en) | 2018-12-21 |
Family
ID=64689950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885543.XU Active CN208268606U (en) | 2018-06-08 | 2018-06-08 | A kind of conduit rotary seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498884A (en) * | 2019-01-11 | 2019-03-22 | 刘贞宽 | Built-in type flusher |
| CN110559540A (en) * | 2019-08-20 | 2019-12-13 | 安徽通灵仿生科技有限公司 | Left ventricle auxiliary device system |
| CN113767837A (en) * | 2021-09-27 | 2021-12-10 | 赤峰天源生态建设有限公司 | Pipeline type drip irrigation system |
-
2018
- 2018-06-08 CN CN201820885543.XU patent/CN208268606U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498884A (en) * | 2019-01-11 | 2019-03-22 | 刘贞宽 | Built-in type flusher |
| CN109498884B (en) * | 2019-01-11 | 2024-03-08 | 刘贞宽 | Built-in type flusher |
| CN110559540A (en) * | 2019-08-20 | 2019-12-13 | 安徽通灵仿生科技有限公司 | Left ventricle auxiliary device system |
| CN113767837A (en) * | 2021-09-27 | 2021-12-10 | 赤峰天源生态建设有限公司 | Pipeline type drip irrigation system |
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