CN108837195A - A kind of constant speed drainage device - Google Patents
A kind of constant speed drainage device Download PDFInfo
- Publication number
- CN108837195A CN108837195A CN201810833000.8A CN201810833000A CN108837195A CN 108837195 A CN108837195 A CN 108837195A CN 201810833000 A CN201810833000 A CN 201810833000A CN 108837195 A CN108837195 A CN 108837195A
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- Prior art keywords
- gear
- threaded rod
- turntable
- syringe
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000013011 mating Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 241000521257 Hydrops Species 0.000 description 11
- 206010030113 Oedema Diseases 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of constant speed drainage device, lead to the problem of patient's discomfort since drainage speed is too fast in effective solution drainage process；Its technical solution solved includes syringe and rubber push top, the right end of rubber push top is fixed with threaded rod, the right end of syringe is fixed with sleeve, a turntable is cased on sleeve, a first gear is fixedly connected on the left of turntable, the left side of first gear is equipped with a second gear, pulls threaded rod to the right, threaded rod drives second gear rotation, and second gear rotation drives turntable to rotate forward through first gear；Multiple ratchets are evenly distributed on the outer edge surface of turntable, a coaxial and rotatable annular sleeve is cased with outside turntable, a handle ratchet wheel is fixed in annular sleeve, multiple blind holes are evenly distributed on the outer edge surface of annular sleeve, the first sliding block that the extended blind hole in one end is equipped in each blind hole and that blind hole cannot be detached from, there is ring-shaped friction lining present inventive concept novel on syringe inner wall, clever structure is practical.
Description
Technical field
The present invention relates to medical instruments field, especially a kind of constant speed drainage device.
Background technique
Puncture drainage is a kind of very common medical procedure, will be in human body by the cooperation realization of needle set and drainage device
Hydrops discharge, usually require subnormal ambient when drain internal hydrops, under subnormal ambient to internal hydrops drainage when
Need to increase on drainage device depression generator, but since the subnormal ambient that can bear in human body is limited,
The depression generator linked with drainage device must provide the depression generator stablized and be of moderate size, and such device is past
Toward cost, high and volume is not suitable for using in ward greatly, for those hydrops amounts are not king-sized patients, exists at this stage
The common drainage device of hospital is that nurse is directly extracted with needle tubing, is generally required in this process for a period of time, and this
In the section time, in order to guarantee patient in drainage can be comfortable, nurse must at the uniform velocity pull out the piston rod in needle tubing, because
This not only causes the waste of personnel, while extracting not only stable negative pressure value for a long time and cannot be guaranteed, while increasing doctor
The labor intensity of shield personnel.
So the present invention provides a kind of constant speed drainage device to solve problem above.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of constant speed drainage device, effective to solve
Having determined leads to the problem of patient's discomfort since drainage speed is too fast in drainage process.
Its technical solution solved the problems, such as includes that horizontal positioned syringe and the rubber that can be moved left and right in syringe are had a haircut,
The right end of rubber push top is fixed with the threaded rod that can be moved left and right coaxially and with it, and the right end of syringe is fixed with one and its
Coaxial sleeve, threaded rod pass through sleeve and can horizontally slip in sleeve, and a turntable is cased on sleeve, and the left side of turntable is solid
Surely it is connected with a coaxial first gear, the left side of first gear is equipped with one and covers on threaded rod and diameter is greater than the
The second gear of one gear, second gear, which can only rotate, to be moved left and right, second gear through screw thread spinning on threaded rod and
Second gear cannot be self-locking with threaded rod, the first gear that second gear drives first gear rotation and drives through second gear
Angular speed is greater than second gear, pulls threaded rod to the right, and threaded rod drives second gear rotation, and second gear is rotated through first
Gear band turn disk rotates forward；
It is evenly distributed in multiple ratchets on the outer edge surface of the turntable, one is cased with outside turntable coaxially and rotatable annular
Set, is fixed with the handle ratchet wheel cooperated with multiple ratchets on the inner edge surface of annular sleeve, turntable when rotating forward through multiple spine
Pawl and handle ratchet wheel mating band move annular sleeve rotation, and multiple ratchets when rotating backward of turntable cannot not with handle ratchet wheel cooperation annular sleeve
It rotates, is evenly distributed in multiple blind holes on the outer edge surface of annular sleeve, the extended blind hole in one end is installed in each blind hole
And it cannot be detached from the first sliding block of blind hole, the ring-shaped friction lining being fixed on syringe inner wall, ring are cased on the outside of annular sleeve
Shape set rotates the outer end stretching that the first sliding block can be achieved and generates friction with friction plate.
Present inventive concept is novel, and clever structure is practical, realizes forward pulling spiral shell by the cooperation of pawl and handle ratchet wheel
Speed is limited when rasp bar, and when reverse extrusion threaded rod is unrestricted, thus effectively prevent when extracting patient's body hydrops by
Cause patient uncomfortable in extraction excessive velocities.
Detailed description of the invention
Fig. 1 is main view of the present invention.
Fig. 2 is main view sectional view of the present invention.
Fig. 3 is a-quadrant partial enlarged view in Fig. 2 of the present invention.
Fig. 4 is the right pseudosection of annular sleeve of the present invention and turntable cooperation.
Fig. 5 is the left view sectional view of annular sleeve of the present invention and turntable cooperation.
Fig. 6 is the right pseudosection of baffle ring of the present invention and syringe cooperation.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
From Fig. 1 to Fig. 6, the present invention includes that horizontal positioned syringe 1 and the rubber that can be moved left and right in syringe 1 push away
First 2, the right end of rubber push top 2 is fixed with coaxially and can be fixed with the threaded rod 3 that it is moved left and right, the right end of syringe 1
One coaxial sleeve 4, threaded rod 3 pass through sleeve 4 and can horizontally slip in sleeve 4, and a turntable is cased on sleeve 4
5, the left side of turntable 5 is fixedly connected with a coaxial first gear 6, and the left side of first gear 6 is equipped with one and covers in spiral shell
On rasp bar 3 and diameter is greater than the second gear 7 of first gear 6, and second gear 7, which can only rotate, to be moved left and right, second gear 7
Through screw thread spinning on threaded rod 3 and second gear 7 cannot be self-locking with threaded rod 3, second gear 7 drives first gear 6 to rotate
And the angular speed of the first gear 6 driven through second gear 7 is greater than second gear 7, pulls threaded rod 3,3 band of threaded rod to the right
Dynamic second gear 7 rotates, and the rotation of second gear 7 drives turntable 5 to rotate forward through first gear 6；
Be evenly distributed in multiple ratchets 8 on the outer edge surface of the turntable 5, be cased with outside turntable 5 one it is coaxially and rotatable
Annular sleeve 9, the handle ratchet wheel 10 cooperated with multiple ratchets 8 is fixed on the inner edge surface of annular sleeve 9, and turntable 5 rotates forward
When move annular sleeve 9 through multiple ratchets 8 and 10 mating band of handle ratchet wheel and rotate, multiple ratchets when rotating backward 8 of turntable 5 not with interior spine
10 cooperation annular sleeve 9 of wheel is not able to rotate, and multiple blind holes 11, peace in each blind hole 11 are evenly distributed on the outer edge surface of annular sleeve 9
The first sliding block 12 that is equipped with the extended blind hole 11 in an one end and cannot being detached from blind hole 11, the outside of annular sleeve 9 is cased with one
The ring-shaped friction lining 13 being fixed on 1 inner wall of syringe, annular sleeve 9 rotate can be achieved the first sliding block 12 outer end stretch out and with friction
Piece 13 generates friction.
In order to realize extract liquid be it is more laborsaving, the right end of the threaded rod 3 is equipped with bar 14, the outside of syringe 1
It is cased with the baffle ring 15 that can be horizontally slipped, the outer tube wall of syringe 1 is equipped with axial sliding slot 16, the side of sliding slot 16 16 side along the chute
To be evenly equipped with it is multiple be connected with sliding slot 16 and the card slot 17 vertical with sliding slot 16, be fixed on the inner edge surface of baffle ring 15 and sliding slot
Second sliding block 18 of 16 cooperations, is equipped between baffle ring 15 and bar 14 and covers the first pressure spring 19 on syringe 1, the first pressure spring 19
One end is connect with baffle ring 15, and the other end is connect with bar 14, is realized by the way that the first pressure spring 19 is arranged between baffle ring 15 and bar 14
When extracting liquid by pushing baffle ring 15 to the right and it being made to fix the storage power to realize the first pressure spring 19, realize to screw thread
The technical requirements that bar 3 pulls to the right.
In order to realize the fixation of sleeve 4 and the rotation and support of annular sleeve 9, the right side of the syringe 1 is equipped with first gear
Disk 20 is equipped with the through-hole passed through for threaded rod 3 among first block plate 20, and the right side of sleeve 4 is fixed on the first block plate 20,
Annular sleeve 9 is rotatably connected with the first block plate 20, and the fixation and annular sleeve of sleeve 4 are realized by the setting of the first block plate 20
9 rotation and support provide frictional resistance simultaneously for annular sleeve 9, and the rotation of annular sleeve 9 is prevented in reversion.
In order to realize that the angular speed of first gear 6 is greater than second gear 7, it is equipped with and engages on the outside of the second gear 7
Third gear 21, the outside of first gear 6 be engaged with it is coaxial with third gear 21 and with angular speed rotation the 4th gear 22,
It is rotated by the engagement in rotation third gear 21 of second gear 7, the rotation of third gear 21 drives first gear 6 through the 4th gear 22
The acceleration of first gear 6 is realized in rotation.
In order to realize the supporting role of second gear 7 Yu third gear 21 and the 4th gear 22, a left side for the second gear 7
Side is fixed with the second block plate 23, is equipped with the through-hole passed through for threaded rod 3 among the second block plate 23,7 warp beam of second gear is fixed
On the second block plate 23, third gear 21 and the 4th gear 22 are fixed on the second block plate 23 through shaft, pass through the second block plate 23
Setting realize second gear 7 and third gear 21 and the 4th gear 22 support.
The is equipped in order to realize the one 12 better support effect of sliding block, between 11 bottom of first sliding block 12 and blind hole
Two pressure springs 24, one end of the second pressure spring 24 other end that is connected with 11 bottom of blind hole are connected with the first sliding block 12, pass through the second pressure spring
24 setting can effectively realize that the first sliding block 12 can be in the state of flexible contact with friction plate 13 in the initial state, thus real
Existing first sliding block 12 can faster realize friction when by centrifugal force.
In order to realize rotating when rotating forward through the drive handle ratchet wheel 10 of multiple ratchets 8 for turntable 5, turntable 5 is rotated backward
When the idle running of multiple ratchets 8 and handle ratchet wheel 10 be not able to rotate, one end of the pawl is hinged on turntable 5 other end through third pressure spring
It is connect with turntable 5.
In order to realize that threaded rod 3 and the internal screw thread in second gear 7 be not self-locking, the lead angle of the threaded rod 3 is greater than
Threaded rod 3 and internal screw thread are formed by the equivalent friction angle of screw pair.
Specific work process of the invention is：The present apparatus cooperates syringe needle to use when in use, according to itself hydrops of patient
Number the distance mobile to 1 tail portion of syringe of baffle ring 15 be set, after distance is set, by syringe needle by syringe 1 and patient
Intracorporal hydrops connection pins bar 14 and makes the elder generation of bar 14 motionless and then move baffle ring 15 to 1 tail portion of syringe, at this time baffle ring 15
On the second sliding block 18 slided in sliding slot 16, slide into rotation baffle ring 15 behind designated position and the sliding block on baffle ring 15 rotated
When so far in corresponding card slot 17, and realize baffle ring 15 in the fixation of this position, at this time since baffle ring 15 moves to the right, in fact
The now compression to the first pressure spring 19 simultaneously makes the first pressure spring 19 have the trend and elastic potential energy to rebound.
Bar 14 is unclamped after completing above-mentioned movement, the first pressure spring 19 has reset trend at this time, this reseting procedure will push
Bar 14 moves to the right, and during bar 14 moves to the right, threaded rod 3 can follow bar 14 to move right, screw thread
Threaded rod 3 is meshed with the internal screw thread in second gear 7 when bar 3 moves to the right, and due to the interior spiral shell in second gear 7
Self-locking effect will not be generated between line and threaded rod 3, therefore will drive 7 turns of second gear when threaded rod 3 moves right
Dynamic, the rotation of the rotation of 7 engagement in rotation third gear 21 of second gear, third gear 21 drives the rotation of the 4th gear 22 through shaft,
The rotation of 4th gear 22 drives first gear 6 to rotate, in this drive connection, since 6 diameter of first gear is less than second
Gear 7, third gear 21 is again co-axially fixed with the 4th gear 22, therefore the diameter of the 4th gear 22 is than third gear 21
Diameter is big, and linear velocity is identical when second gear 7 engages third gear 21 and transmission ratio is big, at this time the angle of rotation of third gear 21
Speed is promoted, and the angular speed of the 4th gear 22 is identical as third gear 21, when the 4th engages with first gear 6, the 4th gear
22 revolving speed is greater than 6 revolving speed of first gear of the 4th gear 22 engagement at this time of second gear 7 and increases, therefore by third gear 21 and the
The amplification that rotates through of second gear 7 can be passed to first gear 6 after the speed-raising of four gears 22, and the first tooth after raising speed
It takes turns 6 revolving speeds and can be provided for the first sliding block 12 in annular sleeve 9 and do enough centrifugal force.
First gear 6 rotates at this time, and first gear 6 and turntable 5 are fixed, therefore the rotation of first gear 6 will drive turntable 5
Rotation, the rotation of turntable 5 will drive multiple ratchet wheels of circumference uniform distribution on its outer edge surface, when pulling threaded rod 3 to the right,
Turntable 5, which rotates forward, drives handle ratchet wheel 10 to rotate, and the rotation of handle ratchet wheel 10 drives annular sleeve 9 to rotate at this time, at this time the revolving speed of annular sleeve 9
Quickly.Therefore centrifugal force is provided for the first sliding block 12 when annular sleeve 9 rotates, the first sliding block 12 has at this time stretches out of blind hole 11
Trend out, the second pressure spring 24 is stretched in the process, the second pressure spring 24 act on annular sleeve 9 it is motionless when make it is first sliding
Block 12 and 13 flexible contact of friction plate, or in contact and discontiguous critical state, once it is set when the revolving speed of annular sleeve 9 reaches
The power that 12 pressing friction piece 13 of the first sliding block can be realized after definite value increases, thus realize the decrease to 9 speed of annular sleeve, thus
Reach the speed that moves right of control threaded rod 3, when the volume speed control that threaded rod 3 moves right is within effective range, i.e.,
The negative pressure that needle tubing can be achieved is continual and steady, and makes patient more comfortable during realizing suction hydrops at this time.
Reversely push threaded rod 3 at this time after completing washing lotion, 3 counter motion of threaded rod realizes that second gear 7 reversely turns
Dynamic, first gear 6 is also to rotate backward after the speedup of third gear 21 and the 4th gear 22, and multiple ratchets 8 at this time do not exist
The rotation of handle ratchet wheel 10 can be engaged, to realize the idle running of turntable 5, the revolving speed of turntable 5 be not restricted at this time, at this time outward
The process of drain can not be limited.
The present apparatus, which compares traditional dragging device, following benefit：
1, the present apparatus, which by the setting of third gear 21 and the 4th gear 22 realizes second gear 7 and will rotate, passes to through speedup
First gear 6, and speedup effect is obvious, can effectively guarantee that the velocity of rotation of annular sleeve 9 can be mentioned to the first sliding block 12 at this time
For enough centrifugal force, and make 12 pressing friction piece 13 of the first sliding block to realize the effect of speed limit.
2, the present apparatus is realized by the cooperation of the first pressure spring 19 and baffle ring 15 and is not needed medical care people when using the present apparatus
Member provides power, and voluntarily imbibition can be realized after the hydrops drained required for setting, effectively saved medical staff
Working time, and reduce the labor intensity of medical staff.
3, the present apparatus is being pulled outwardly by multiple ratchets 8 of the circumference uniform distribution on turntable 5 and the cooperation realization of handle ratchet wheel 10
When stretching threaded rod 3 realize pawl 8 engage with handle ratchet wheel 10 and realize handle ratchet wheel 10 rotation thus drive annular sleeve 9 rotation and it is real
The stretching of existing first sliding block 12, and speed limit is carried out to threaded rod 3, when reverse extrusion threaded rod 3, pawl 8 not can with it is interior
Ratchet 10 engages, so that annular sleeve 9 cannot be driven to rotate, the speed of threaded rod 3 be not restricted to realize quickly at this time
Squeeze out the hydrops in syringe 1.
Present inventive concept is novel, and clever structure is practical, realizes forward pulling spiral shell by the cooperation of pawl and handle ratchet wheel
Speed is limited when rasp bar, and when reverse extrusion threaded rod is unrestricted, thus effectively prevent when extracting patient's body hydrops by
Cause patient uncomfortable in extraction excessive velocities.
Claims (8)
1. a kind of constant speed drainage device, including horizontal positioned syringe（1）With can be in syringe（1）The rubber push top inside moved left and right
（2）, rubber push top（2）Right end be fixed with coaxially and the threaded rod that can be moved left and right with it（3）, syringe（1）Right end
It is fixed with a coaxial sleeve（4）, threaded rod（3）Across sleeve（4）And it can be in sleeve（4）Inside horizontally slip, sleeve
（4）On be cased with a turntable（5）, turntable（5）Left side be fixedly connected with a coaxial first gear（6）, the first tooth
Wheel（6）Left side be equipped with one cover in threaded rod（3）Upper and diameter is greater than first gear（6）Second gear（7）, second gear
（7）Can only rotate cannot move left and right, second gear（7）Through screw thread spinning in threaded rod（3）Upper and second gear（7）With screw thread
Bar（3）Cannot be self-locking, second gear（7）Drive first gear（6）It rotates and through second gear（7）The first gear of drive（6）
Angular speed be greater than second gear（7）, threaded rod is pulled to the right（3）, threaded rod（3）Drive second gear（7）Rotation, second
Gear（7）Rotation is through first gear（6）Drive turntable（5）It rotates forward；
The turntable（5）Outer edge surface on be evenly distributed in multiple ratchets（8）, turntable（5）Outside be cased with one coaxially and can
The annular sleeve of rotation（9）, annular sleeve（9）Inner edge surface on be fixed with one and multiple ratchets（8）The handle ratchet wheel of cooperation（10）, turn
Disk（5）When rotating forward through multiple ratchets（8）With handle ratchet wheel（10）Mating band moves annular sleeve（9）Rotation, turntable（5）It is reversed
Multiple ratchets when rotation（8）Not with handle ratchet wheel（10）Cooperate annular sleeve（9）It is not able to rotate, annular sleeve（9）Outer edge surface on circumference
It is evenly equipped with multiple blind holes（11）, each blind hole（11）One extended blind hole in one end is inside installed（11）And blind hole cannot be detached from
（11）The first sliding block（12）, annular sleeve（9）Outside be cased with one and be fixed on syringe（1）Ring-shaped friction lining on inner wall
（13）, annular sleeve（9）It rotates and the first sliding block can be achieved（12）Outer end stretch out and and friction plate（13）Generate friction.
2. a kind of constant speed drainage device according to claim 1, which is characterized in that the threaded rod（3）Right end be equipped with
Bar（14）, syringe（1）Outside be cased with the baffle ring that can be horizontally slipped（15）, syringe（1）Outer tube wall be equipped with axial cunning
Slot（16）, sliding slot（16）Side along the chute（16）Direction is evenly equipped with multiple and sliding slot（16）It is connected and and sliding slot（16）Vertically
Card slot（17）, baffle ring（15）Inner edge surface on be fixed with and sliding slot（16）Second sliding block of cooperation（18）, baffle ring（15）With gear
Bar（14）Between be equipped with cover in syringe（1）On the first pressure spring（19）, the first pressure spring（19）One end and baffle ring（15）Connection, separately
One end and bar（14）Connection.
3. a kind of constant speed drainage device according to claim 1, which is characterized in that the syringe（1）Right side be equipped with
First block plate（20）, the first block plate（20）Centre is equipped with for threaded rod（3）By through-hole, sleeve（4）Right side fix
In the first block plate（20）On, annular sleeve（9）With the first block plate（20）It is rotatably connected.
4. a kind of constant speed drainage device according to claim 1, which is characterized in that the second gear（7）Outside is equipped with
The third gear engaged（21）, first gear（6）Outside be engaged with and third gear（21）Coaxially and with angular speed turn
The 4th dynamic gear（22）.
5. a kind of constant speed drainage device according to claim 1, which is characterized in that the second gear（7）Left side it is solid
Surely there is the second block plate（23）, the second block plate（23）Centre is equipped with for threaded rod（3）By through-hole, second gear（7）Warp beam
It is fixed on the second block plate（23）On, third gear（21）With the 4th gear（22）The second block plate is fixed on through shaft（23）On.
6. a kind of constant speed drainage device according to claim 1, which is characterized in that first sliding block（12）With blind hole
（11）The second pressure spring is equipped between bottom（24）, the second pressure spring（24）One section and blind hole（11）Bottom is connected the other end and first
Sliding block（12）It is connected.
7. a kind of constant speed drainage device according to claim 1, which is characterized in that one end of the pawl is hinged on turntable
（5）The upper other end is through third pressure spring and turntable（5）Connection.
8. a kind of constant speed drainage device according to claim 1, which is characterized in that the threaded rod（3）Lead angle
Greater than threaded rod（2）The equivalent friction angle of screw pair is formed by with internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833000.8A CN108837195B (en) | 2018-07-26 | 2018-07-26 | Constant-speed drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833000.8A CN108837195B (en) | 2018-07-26 | 2018-07-26 | Constant-speed drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108837195A true CN108837195A (en) | 2018-11-20 |
| CN108837195B CN108837195B (en) | 2020-10-16 |
Family
ID=64195730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810833000.8A Expired - Fee Related CN108837195B (en) | 2018-07-26 | 2018-07-26 | Constant-speed drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108837195B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068127A (en) * | 2019-12-31 | 2020-04-28 | 刘创 | Cosmetic plastic's liposuction device |
| CN111420135A (en) * | 2020-04-09 | 2020-07-17 | 西安交通大学医学院第一附属医院 | Improved multifunctional drainage device special for thoracic surgery |
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| CN1655724A (en) * | 2002-03-19 | 2005-08-17 | 巴德都柏林Itc有限公司 | Vacuum biopsy device |
| CN102014994A (en) * | 2008-02-29 | 2011-04-13 | 特克法马许可公司 | Blank injection speed limiting brake |
| CN205073422U (en) * | 2014-08-21 | 2016-03-09 | 欧文蒙福德有限公司 | Safe injector |
| CN206081070U (en) * | 2016-07-09 | 2017-04-12 | 陶录岭 | Department of neurology doctor uses auto -injection ware |
| KR20180043694A (en) * | 2016-10-20 | 2018-04-30 | 손문호 | Automatic injection apparatus for wireless charging |
| CN108136127A (en) * | 2015-10-15 | 2018-06-08 | 科佩尼库斯有限责任公司 | For the set mechanism of injection device |
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2018
- 2018-07-26 CN CN201810833000.8A patent/CN108837195B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655724A (en) * | 2002-03-19 | 2005-08-17 | 巴德都柏林Itc有限公司 | Vacuum biopsy device |
| CN102014994A (en) * | 2008-02-29 | 2011-04-13 | 特克法马许可公司 | Blank injection speed limiting brake |
| CN205073422U (en) * | 2014-08-21 | 2016-03-09 | 欧文蒙福德有限公司 | Safe injector |
| CN108136127A (en) * | 2015-10-15 | 2018-06-08 | 科佩尼库斯有限责任公司 | For the set mechanism of injection device |
| CN206081070U (en) * | 2016-07-09 | 2017-04-12 | 陶录岭 | Department of neurology doctor uses auto -injection ware |
| KR20180043694A (en) * | 2016-10-20 | 2018-04-30 | 손문호 | Automatic injection apparatus for wireless charging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068127A (en) * | 2019-12-31 | 2020-04-28 | 刘创 | Cosmetic plastic's liposuction device |
| CN111420135A (en) * | 2020-04-09 | 2020-07-17 | 西安交通大学医学院第一附属医院 | Improved multifunctional drainage device special for thoracic surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108837195B (en) | 2020-10-16 |
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