CN208726424U - Rotary Valves and Deep Vein Irrigation Devices Including Rotary Valves - Google Patents
Rotary Valves and Deep Vein Irrigation Devices Including Rotary Valves Download PDFInfo
- Publication number
- CN208726424U CN208726424U CN201820470817.9U CN201820470817U CN208726424U CN 208726424 U CN208726424 U CN 208726424U CN 201820470817 U CN201820470817 U CN 201820470817U CN 208726424 U CN208726424 U CN 208726424U
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- CN
- China
- Prior art keywords
- valve body
- rotary
- ring
- hole
- pass
- Prior art date
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- Expired - Fee Related
Links
- 230000002262 irrigation Effects 0.000 title 1
- 238000003973 irrigation Methods 0.000 title 1
- 238000005192 partition Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000001802 infusion Methods 0.000 claims description 20
- 230000010412 perfusion Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 31
- 238000011010 flushing procedure Methods 0.000 description 15
- 238000005406 washing Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model provides a kind of rotary valve, including main valve body and by-pass valve body, main valve body wall is equipped with first through hole and the second through-hole, valve ball is equipped in main valve body, spring, separate block and limiting section, valve ball is set between partition block and limiting section, separate block and is equipped with third through-hole, the both ends of spring are abutted with limiting section and valve ball respectively, spring supporting valve ball is connected in third through-hole, a cavity is equipped in by-pass valve body, one end of main valve body enters cavity after penetrating by-pass valve body from top to bottom, it is pierced by by-pass valve body again, by-pass valve body includes the first by-pass valve body and the second by-pass valve body, first by-pass valve body and the second by-pass valve body are separated by rotary switch, rotary switch is sheathed on main valve body, rotary switch includes the first arc ring, it is pushed against between main valve body outer wall and by-pass valve body inner wall and is equipped with the second arc ring.Rotary valve provided by the utility model realizes that the single-direction and dual-direction of liquid flows control.The utility model also provides a kind of Deep venou flusher including rotary valve.
Description
Technical field
The utility model belongs to fluid control valve door field, especially a kind of rotary valve and the Deep venou including rotary valve
Flusher.
Background technique
Actual clinical Deep venou infusion in, in order to prevent liquid-transport pipe-line block, blood backflow etc., need every four hours just
A Deep venou washing pipe operation is carried out to patient.Current operating process: completely new pulse empty needle one is taken before each washing pipe, is inserted
The by-pass line for entering infusion pipeline, the pipe clamp being then shut off on liquid-transport pipe-line, at this time operating impulse infusion apparatus sucking are a certain amount of
Flushing liquor after sucking, closes perfusion tube to the interface channel with infusion vessel, opens the pipe clamp connecting with patient end, behaviour
Make pulse needle flushing liquor is pushed into patient's blood vessel, pulse empty needle taken down after the completion of operation, opens the pipeline connecting with infusion bottle,
Start normal infusion.
A completely new pulse injection device need to be used by carrying out Deep venou flushing every time, and cost is very high.Deep venou punching is carried out every time
It washes and needs to reconnect new syringe, it is complicated for operation, it is time-consuming and laborious.Deep venou is carried out every time rinses new syringe and air
Contact, it is easily contaminated, sterile working cannot be fully achieved.
Utility model content
The purpose of this utility model is to provide a kind of structurally reasonable rotary valves, realize the single-direction and dual-direction flowing control of liquid
System.The utility model also provides a kind of Deep venou flusher, realizes that syringe without disassembly, is reused；Realize punching every time
When washing, without carrying out syringe connection work, working strength is reduced；Prevent the contact with outside air, it is entirely avoided injection
Device is contaminated.
The utility model provides a kind of rotary valve, it includes main valve body and by-pass valve body, and the main valve body wall is equipped with first
Through-hole and the second through-hole, are equipped with valve ball, spring, partition block and limiting section in the main valve body, the valve ball be set to partition block with
Between limiting section, the partition block is equipped with third through-hole, and the diameter of the third through-hole is less than the diameter of valve ball, the spring
Both ends are abutted with limiting section and valve ball respectively, and the spring supporting valve ball is connected in third through-hole,
A cavity is equipped in the by-pass valve body, one end of the main valve body enters institute after penetrating by-pass valve body from top to bottom
Cavity is stated, then is pierced by by-pass valve body, the by-pass valve body includes the first by-pass valve body and the second by-pass valve body, first bypass
Valve body connect the length trend of the second by-pass valve body and one end of main valve body to penetrate direction consistent, first by-pass valve body with
Second by-pass valve body is separated by rotary switch, and the rotary switch is sheathed on main valve body, and the rotary switch includes the first arc
Ring, the first arc ring is between main valve body outer wall and by-pass valve body inner wall, in the main valve body outer wall and by-pass valve body
It is pushed against between wall and is equipped with the second arc ring, the width of the first arc ring is equal to the width of the second arc ring, first arc
Shape ring abuts up and down with the second arc ring, and the sum of inward flange arc length of the first arc ring and the second arc ring is greater than the outer of main valve body
The inward flange arc length of perimeter, the first arc ring and the second arc ring is respectively less than the outer perimeter of main valve body,
The first through hole and the second through-hole are respectively arranged on the both ends of rotary switch, and the first through hole and the second through-hole are equal
The inner cavity of main valve body can be made to communicate with the cavity of by-pass valve body.
When realizing the one-way flow control of liquid, rotary switch is adjusted, keeps the first arc ring overlapping with the second arc ring
Part is reduced, and intersects the both ends of the first arc ring with the both ends of the second arc ring.That is, main valve body outer wall and bypass
Space between valve interior wall is obstructed completely by the first arc ring and the second arc ring into two spaces, and liquid may only be from third
Through-hole passes through.Also, since spring supporting valve ball is connected in third through-hole, liquid may only flow to lower end from upper end.
When realizing the two-way flow control of liquid, rotary switch is adjusted, keeps the first arc ring overlapping with the second arc ring
Part increases, and in the both ends for making the first arc ring, one end is intersected with one end of the second arc ring, the other end not with the second arc ring
The other end intersection.That is, the space between main valve body outer wall and by-pass valve body inner wall is a space, there is no by the
One arc ring and the second arc ring are obstructed completely into two spaces, and liquid can pass through from third through-hole, can also be logical from first
Hole and the second through-hole pass through.
Under normal conditions, spring is in compressive state to fluid pressure, and the resilient support valve ball of spring is clamped valve ball
It pushes against in third through-hole, separates block and be used for liquid barrier, at this point, liquid cannot pass through from third through-hole.Liquid can be from third
Through-hole is by referring to that the pressure of liquid pushes valve ball mobile, to make spring-compressed, liquid can then enter from third through-hole
Spring terminal.
Further, the rotary switch includes inner ring, and the inner ring is sheathed on main valve body, the inner ring and the first arc ring
Vertical connection.
Further, the rotary switch further includes outer ring, and the outer ring is connect by connection ring with the first arc ring, described
Outer ring is vertical with connection ring, and the upper and lower ends of the connection ring are abutted with the first by-pass valve body and the second by-pass valve body respectively.
Further, sealing ring is equipped between the connection ring and the second by-pass valve body.
The utility model also provides a kind of Deep venou flusher, it includes the rotary valve, the quantity of the rotary valve
It is two, the Deep venou flusher further includes perfusion tube and hermetic bag, and the both ends of the perfusion tube are respectively equipped with infusion bottle
And syringe needle, two rotary valves are set on perfusion tube, the infusion pipeline section between two rotary valves is connected with branched pipe, the branched pipe
It is connect with syringe nozzle, the hermetic bag is by the piston rod packing of syringe in the cylinder of syringe.
When carrying out the operation of Deep venou washing pipe, two rotary valves are switched to one-way flow by two rotary valves of turn
State, that is, liquid can be flowed from infusion bottle to two rotary valves, syringe needle direction.Liquid in infusion bottle flows to branch
Pipe, operating syringe suck flushing liquor.Syringe not will lead to the reflux of patient end liquid and blood when extracting, so without going
Close flow regulator.After the completion of extraction, operating syringe is pushed into flushing liquor, at this time because being single-pass shape with infusion vessel connecting pin
Flushing liquor will not be pushed into infusion bottle when being pushed into liquid by state, and flushing liquor is directly pushed into patient's blood vessel, complete to rinse.
The utility model realizes that syringe without disassembly, is reused；When realizing flushing every time, without carrying out syringe company
Work is connect, working strength is reduced；Prevent the contact with outside air, it is entirely avoided syringe is contaminated.
Further, the Deep venou flusher further includes flow regulator, and described two rotary valves are respectively the first rotation
Rotary valve and the second rotary valve, relative to the first rotary valve closer to syringe needle, the flow regulator is located at second rotary valve
On perfusion tube between second rotary valve and syringe needle.
By adopting the above-described technical solution, rotary valve provided by the utility model has the advantages that structurally reasonable, realization
The single-direction and dual-direction of liquid flows control.The utility model also provides a kind of Deep venou flusher, realizes syringe without disassembly, weight
It is multiple to use；When realizing flushing every time, without carrying out syringe connection work, working strength is reduced；It prevents from connecing with outside air
Touching, it is entirely avoided syringe is contaminated.
Detailed description of the invention
Fig. 1 is the partial sectional view of rotary valve.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural schematic diagram of Deep venou flusher.
In figure: 1, main valve body；2, by-pass valve body；3, first through hole；4, the second through-hole；5, valve ball；6, spring；7, separate
Block；8, limiting section；9, third through-hole；10, cavity；11, the first by-pass valve body；12, the second by-pass valve body；13, rotary switch；
14, the first arc ring；15, the second arc ring；16, inner ring；17, outer ring；18, connection ring；19, sealing ring；20, perfusion tube；21,
Hermetic bag；22, infusion bottle；23, syringe needle；24, branched pipe；25, syringe；26, piston rod；27, cylinder；28, flow regulator；
29, the first rotary valve；30, the second rotary valve
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, the utility model provides a kind of rotary valve, it includes main valve body 1 and by-pass valve body 2, the master
1 wall of valve body is equipped with first through hole 3 and the second through-hole 4, and valve ball 5, spring 6, partition block 7 and limiting section are equipped in the main valve body 1
8, the valve ball 5 is set between partition block 7 and limiting section 8, and the partition block 7 is equipped with third through-hole 9, the third through-hole 9
Diameter is less than the diameter of valve ball 5, and the both ends of the spring 6 are abutted with limiting section 8 and valve ball 5 respectively, and the spring 6 supports valve ball
5 are connected in third through-hole 9,
It is equipped with a cavity 10 in the by-pass valve body 2, after one end of the main valve body 1 penetrates by-pass valve body 2 from top to bottom
Into the cavity 10, then it is pierced by by-pass valve body 2, the by-pass valve body 2 includes the first by-pass valve body 11 and the second by-pass valve body
12, one end of the length trend and main valve body 1 of second by-pass valve body 12 of the connection of the first by-pass valve body 11 penetrates direction one
It causes, first by-pass valve body 11 and the second by-pass valve body 12 are separated by rotary switch 13, and the rotary switch 13 is sheathed on master
Valve body 1, the rotary switch 13 include the first arc ring 14, and the first arc ring 14 is located at 1 outer wall of main valve body and by-passing valve
Between 2 inner wall of body, is pushed against between 1 outer wall of main valve body and 2 inner wall of by-pass valve body and be equipped with the second arc ring 15, first arc
The width of shape ring 14 is equal to the width of the second arc ring 15, and the first arc ring 14 is abutted with the second about 15 arc ring, the
The sum of inward flange arc length of one arc ring 14 and the second arc ring 15 is greater than the outer perimeter of main valve body 1, the first arc ring 14
The outer perimeter of main valve body 1 is respectively less than with the inward flange arc length of the second arc ring 15,
The first through hole 3 and the second through-hole 4 are respectively arranged on the both ends of rotary switch 13, the first through hole 3 and second
Through-hole 4 can be such that the inner cavity of main valve body 1 communicates with the cavity 10 of by-pass valve body 2.
When realizing the one-way flow control of liquid, rotary switch 13 is adjusted, the first arc ring 14 and the second arc ring 15 are made
Lap reduce, intersect the both ends of the first arc ring 14 with the both ends of the second arc ring 15.That is, main valve body
Space between 2 inner wall of 1 outer wall and by-pass valve body is obstructed completely by the first arc ring 14 and the second arc ring 15 into two spaces,
Liquid may only pass through from third through-hole 9.Also, since spring 6 supports valve ball 5 to be connected in third through-hole 9, liquid may only be from
Upper end flows to lower end.
When realizing the two-way flow control of liquid, rotary switch 13 is adjusted, the first arc ring 14 and the second arc ring 15 are made
Lap increase, in the both ends for making the first arc ring 14, one end is intersected with one end of the second arc ring 15, the other end not with
The other end of second arc ring 15 intersects.That is, the space between 2 inner wall of 1 outer wall of main valve body and by-pass valve body is one
Space, there is no being obstructed completely into two spaces by the first arc ring 14 and the second arc ring 15, liquid can be from third through-hole 9
Pass through, can also pass through from first through hole 3 and the second through-hole 4.
Under normal conditions, spring 6 is in compressive state to fluid pressure, and the resilient support valve ball 5 of spring 6 makes valve ball 5
Clamping is pushed against in third through-hole 9, is separated block 7 and is used for liquid barrier, at this point, liquid cannot pass through from third through-hole 9.Liquid can be with
From third through-hole 9 by referring to that the pressure of liquid pushes valve ball 5 mobile, so that spring 6 be made to compress, liquid then can be from the
Three through-holes 9 enter 6 end of spring.
As shown in Figure 1, limiting section 8 limits the lower end of spring 6.
As illustrated in fig. 1 and 2, the rotary switch 13 includes inner ring 16, and the inner ring 16 is sheathed on main valve body 1, described interior
Circle 16 is vertical with the first arc ring 14 to be connect.
As illustrated in fig. 1 and 2, the rotary switch 13 further includes outer ring 17, and the outer ring 17 passes through connection ring 18 and first
Arc ring 14 connect, the outer ring 17 is vertical with connection ring 18, the upper and lower ends of the connection ring 18 respectively with the first by-passing valve
Body 11 and the second by-pass valve body 12 abut.
As illustrated in fig. 1 and 2, to enhance sealing effect, sealing is equipped between the connection ring 18 and the second by-pass valve body 12
Circle 19.
As shown in figure 3, the utility model also provides a kind of Deep venou flusher, it includes the rotary valve, the rotation
The quantity of rotary valve is two, and the Deep venou flusher further includes perfusion tube 20 and hermetic bag 21, the two of the perfusion tube 20
End is respectively equipped with infusion bottle 22 and syringe needle 23, and two rotary valves are set on perfusion tube 20, the perfusion tube 20 between two rotary valves
Section is connected with branched pipe 24, and the branched pipe 24 is connect with 25 nozzle of syringe, and the hermetic bag 21 is by the piston of syringe 25
Bar 26 is sealed in the cylinder 27 of syringe 25.
When carrying out the operation of Deep venou washing pipe, two rotary valves are switched to one-way flow by two rotary valves of turn
State, that is, liquid can be flowed from infusion bottle 22 to two rotary valves, 23 direction of syringe needle.Liquid flow direction in infusion bottle 22
Branched pipe 24, operating syringe 25 suck flushing liquor.Syringe 25 not will lead to the reflux of patient end liquid and blood when extracting,
So without going to close flow regulator.After the completion of extraction, operating syringe 25 is pushed into flushing liquor, at this time because connecting with infusion vessel
Connecing end is single-pass state, flushing liquor will not be pushed into infusion bottle 22 when being pushed into liquid, flushing liquor is directly pushed into patient's blood vessel, complete
At flushing.
The utility model realizes that syringe 25 without disassembly, is reused；When realizing flushing every time, without carrying out syringe
25 connection work, reduce working strength；Prevent the contact with outside air, it is entirely avoided syringe 25 is contaminated.
As shown in figure 3, the Deep venou flusher further includes flow regulator 28, described two rotary valves are respectively
One rotary valve 29 and the second rotary valve 30, second rotary valve 30 relative to the first rotary valve 29 closer to syringe needle 23, it is described
Flow regulator 28 is on the perfusion tube 20 between the second rotary valve 30 and syringe needle 23.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (6)
1. rotary valve, which is characterized in that including main valve body and by-pass valve body, the main valve body wall is equipped with first through hole and second and leads to
Hole, the main valve body is interior to be equipped with valve ball, spring, partition block and limiting section, and the valve ball is set between partition block and limiting section, institute
State partition block and be equipped with third through-hole, the diameter of the third through-hole is less than the diameter of valve ball, the both ends of the spring respectively with limit
Position portion and valve ball abut, and the spring supporting valve ball is connected in third through-hole,
A cavity is equipped in the by-pass valve body, one end of the main valve body enters the chamber after penetrating by-pass valve body from top to bottom
Body, then it is pierced by by-pass valve body, the by-pass valve body includes the first by-pass valve body and the second by-pass valve body, first by-pass valve body
Connect consistent, first by-pass valve body and second that penetrates direction of the length trend of the second by-pass valve body and one end of main valve body
By-pass valve body is separated by rotary switch, and the rotary switch is sheathed on main valve body, and the rotary switch includes the first arc ring, institute
The first arc ring is stated between main valve body outer wall and by-pass valve body inner wall, between the main valve body outer wall and by-pass valve body inner wall
Push against and be equipped with the second arc ring, the width of the first arc ring is equal to the width of the second arc ring, the first arc ring with
Second arc ring abuts up and down, and the sum of inward flange arc length of the first arc ring and the second arc ring is greater than the outer perimeter of main valve body,
The inward flange arc length of the first arc ring and the second arc ring is respectively less than the outer perimeter of main valve body,
The first through hole and the second through-hole are respectively arranged on the both ends of rotary switch, and the first through hole and the second through-hole can be with
Communicate the inner cavity of main valve body with the cavity of by-pass valve body.
2. rotary valve as described in claim 1, which is characterized in that the rotary switch includes inner ring, and the inner ring is sheathed on
Main valve body, the inner ring is vertical with the first arc ring to be connect.
3. rotary valve as described in claim 1, which is characterized in that the rotary switch further includes outer ring, and the outer ring passes through
Connection ring is connect with the first arc ring, and the outer ring is vertical with connection ring, the upper and lower ends of the connection ring respectively with first by
Port valve body and the second by-pass valve body abut.
4. rotary valve as claimed in claim 3, which is characterized in that be equipped with sealing between the connection ring and the second by-pass valve body
Circle.
5. Deep venou flusher, which is characterized in that including rotary valve of any of claims 1-3, the rotation
The quantity of valve is two, and the Deep venou flusher further includes perfusion tube and hermetic bag, and the both ends of the perfusion tube are set respectively
There are infusion bottle and syringe needle, two rotary valves are set on perfusion tube, and the infusion pipeline section between two rotary valves is connected with branched pipe, institute
It states branched pipe to connect with syringe nozzle, the hermetic bag is by the piston rod packing of syringe in the cylinder of syringe.
6. Deep venou flusher as claimed in claim 5, which is characterized in that the Deep venou flusher further includes flow velocity
Adjuster, described two rotary valves are respectively the first rotary valve and the second rotary valve, and second rotary valve is relative to the first rotation
Rotary valve is closer to syringe needle, and the flow regulator is on the perfusion tube between the second rotary valve and syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470817.9U CN208726424U (en) | 2018-03-30 | 2018-03-30 | Rotary Valves and Deep Vein Irrigation Devices Including Rotary Valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470817.9U CN208726424U (en) | 2018-03-30 | 2018-03-30 | Rotary Valves and Deep Vein Irrigation Devices Including Rotary Valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208726424U true CN208726424U (en) | 2019-04-12 |
Family
ID=66023576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820470817.9U Expired - Fee Related CN208726424U (en) | 2018-03-30 | 2018-03-30 | Rotary Valves and Deep Vein Irrigation Devices Including Rotary Valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208726424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421117A (en) * | 2018-03-30 | 2018-08-21 | 重庆市肿瘤研究所 | Rotary valve and Deep venou flusher including rotary valve |
-
2018
- 2018-03-30 CN CN201820470817.9U patent/CN208726424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421117A (en) * | 2018-03-30 | 2018-08-21 | 重庆市肿瘤研究所 | Rotary valve and Deep venou flusher including rotary valve |
| CN108421117B (en) * | 2018-03-30 | 2022-02-11 | 重庆市肿瘤研究所 | Rotary valve and deep vein irrigation device comprising a rotary valve |
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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: 20190412 Termination date: 20200330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |