CN201492759U - Infusion flow velocity regulator - Google Patents
Infusion flow velocity regulator Download PDFInfo
- Publication number
- CN201492759U CN201492759U CN2009202707420U CN200920270742U CN201492759U CN 201492759 U CN201492759 U CN 201492759U CN 2009202707420 U CN2009202707420 U CN 2009202707420U CN 200920270742 U CN200920270742 U CN 200920270742U CN 201492759 U CN201492759 U CN 201492759U
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- gear
- upper shell
- bracing frame
- flow rate
- lower carriage
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- Expired - Lifetime
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- 238000001802 infusion Methods 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an infusion flow velocity regulator. The regulator consists of an upper shell, a support frame, a lower bracket, a lower pressure plate, and a gear and thread transmission mechanism which is arranged in a box. The periphery of the upper shell is provided with flow scales. The gear and thread transmission mechanism consists of a first gear, a second gear, a third gear, a fourth gear and a threaded pressure rod in the center of the fourth gear. The first gear is fixed in the center of the bottom of the upper shell. The second gear is meshed with the first gear. The third gear is coaxial with the second gear. The fourth gear is meshed with the third gear. The threaded pressure rod is sleeved in a disc center of the fourth gear and is in threaded connection with screw threads of the disc center of the fourth gear to take an axial movement. The middle part of the top surface of the lower pressure plate is provided with a through groove where an infusion tube is arranged. In a mode of pressure infusion, the use of an infusion pipeline with the unified pipe diameter specification just can obtain different flow velocities. The infusion flow velocity regulator has convenient operation and high accuracy and stability, saves raw materials and simplifies the labor intensity of the medical personnel.
Description
Technical field
This utility model relates to a kind of armarium, is meant that specifically a kind of infusion pipeline that is added in has the graduated infusion flow rate actuator of demonstration flow velocity outward.
Background technology
At present, in medical industry, two kinds of infusion models are arranged usually: first kind is gravity transfusion, promptly beats transfusion bottle.It is to regulate flow velocity with amount of droplets in the unit interval in the observation metering dropping funnel, and the adjusting of flow velocity is to determine with the roller position of infusion pipeline upper roller formula flow regulator, roller moves the variation of following caliber along the pipeline direction, produces different flow velocitys thus.Roller type flow regulator on the existing infusion pipeline has certain defective: it is not really accurate to the degree of regulation of flow velocity, and a bit deviation of roller will cause the bigger variation of flow velocity, and operator are extremely wayward.Moreover because the elastic reaction of tube for transfusion plastic cement, the roller position of actuator also changes easily gradually, causes the flow velocity of transfusion to change unawares.Second kind is the pressure transfusion, and (ZL200820126777.2), it is the pressure extrusion transfusion bag that is produced with spring mechanism, infuses by infusion pipeline as " portable exempt to hang transfusion device and transfusion bag ".And in the transfusion medical procedure, different situations requires different flow velocitys, and different flow velocitys requires the pipeline of different tube diameters; There are many kinds of flow velocity requirements of n will produce the pipeline of many kinds of different tube diameters of n, a transfusion bag can only be adorned an infusion pipeline, that is to say, the transfusion bag of a certain volume specification, the pipeline that it will join many kinds of different tube diameters specifications of n could satisfy the requirement of various different in flow rate.This just proposes a problem to manufacturer, how to produce the actuator of the tube for transfusion adjusted different in flow rate that can be used in same caliber.And have the flow velocity scale to show, this is because of the dropping funnel in order to count under the gravity infusion model, has lost effect under the pressure infusion model.
The utility model content
The purpose of this utility model is to overcome present pressure infusion model can not be suitable for multiple flow velocity, multiple caliber, and inaccurate, the unsettled defective of flow rate regulation, and a kind of infusion flow rate actuator that is added in the outer stable regulation flow velocity of infusion pipeline is provided.
For achieving the above object, solution of the present utility model is:
This utility model relates to a kind of outer infusion flow rate actuator of accurately regulating flow velocity of infusion pipeline that is added in.Described infusion flow rate actuator is a cylindrical box, and it is by upper shell, bracing frame, and lower carriage, following platen, and the gear and the thread transmission that are contained in the box are formed.
Rotate between described upper shell and bracing frame and engage, bracing frame is fixedly connected on the lower carriage, presses together between following platen and lower carriage.Described gear and thread transmission are made up of the screw thread depression bar of first gear to the, four gears and the 4th gear centre.Between described first gear and the second gear position what upper shell and the bracing frame, between the 3rd gear and the 4th gear position what bracing frame and the lower carriage.First gear is fixed in upper shell bottom centre, and its central point overlaps with upper shell end cap central point; Second gear and first gears engaged; The 3rd gear is positioned at second gear below, and is coaxial with second gear, and second gear and the 3rd gear are supported by bracing frame and lower carriage, and parallel with screw thread depression bar centrage; Above the 4th gear is positioned in the middle of the lower carriage, with the 3rd gears engaged; The screw thread depression bar is sleeved in the core of the 4th gear, is connected to do axially-movable with the core thread helix of the 4th gear; Described platen end face down middle part is provided with the groove of a placement tube for transfusion; The screw thread depression bar is by the central through hole of lower carriage, and the lower end is relative with the core position of described groove.
On upper shell end cap outer circumference surface, the flow velocity scale is arranged.
Be that pivoting is connected, the other end is that the buckle ways of connecting presses together with an end between following platen and lower carriage.
Cover in upper end, be positioned at first gear and second gears engaged tooth both sides place, a pair of locking hole is arranged, have a U-shape lock to end the skewer pin in addition and match with it.
Because this utility model has adopted one group of gear and thread transmission, when the rotation upper shell, by the effect of gear train, the screw thread depression bar is only corresponding to move up and down a very small distance, stably regulate extruding force, accurately change the internal diameter of infusion pipeline, regulate flow velocity with this to tube for transfusion.The variation of flow velocity is reflected on the scale of upper shell excircle simultaneously.
Like this, under the pressure infusion model,, just can obtain various flow velocity as long as use a kind of infusion pipeline of unifying the caliber specification.Elected constant current speed when reserving scale, is inserted locking hole with locking skewer pin, and gear just can not rotate again, and selected flow velocity then can not change.Aspect infusion flow rate, accomplish the safety of infusing.This utility model is easy to operate, and accuracy and degree of stability height economize in raw materials, and have simplified medical worker's work.
Description of drawings
Fig. 1 is the whole assembling of a this utility model sketch map;
Fig. 2 be this utility model profile sketch map (with Fig. 1 in the same way);
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is for being platen schematic perspective view under this utility model;
Fig. 5 is following platen (part) schematic top plan view;
Fig. 6 is a locking skewer pin outline drawing.
Wherein:
1, upper shell, 2, bracing frame, 3, lower carriage, 4, platen down, 5, first gear, 6, second gear, the 7, the 3rd gear, 8, the 4th gear, 9, the screw thread depression bar, 10, tube for transfusion, 11, groove, 12, circular trough, 13, groove, 14, scale, 15, square termination, 16, square hole, 17, pivot, 18, buckle, 19, locking hole 20, locking skewer pin.
The specific embodiment
Further specify this utility model with reference to the accompanying drawings in conjunction with specific embodiments.
As shown in Figure 1, this utility model relates to a kind of infusion flow rate actuator that is added in infusion pipeline investigation mission outside the city or town throttling speed.Described infusion flow rate actuator is a cylindrical box, from top to down successively by upper shell 1, and bracing frame 2, lower carriage 3, following platen 4, and the gear and the thread transmission that are contained in the box are formed.Upper shell 1 engages with the concaveconvex structure rotation of bracing frame 2 with mutual coupling, and like this, upper shell 1 can not be separated around bracing frame 2 parallel rotation.3 modes with interference fit of bracing frame 2 and lower carriage are fixedlyed connected; Be that pivot 17 is connected, the other end is that buckle 18 ways of connecting press together with an end between following platen 4 and the lower carriage 3, this connected mode can make and press down dish 4 and open and close (structure of following platen 4 is simultaneously referring to Fig. 4) easily.Described gear and thread transmission are made up of the screw thread depression bar 9 at first gear, 5 to the 4th gears 8 and the 4th gear 8 centers.Between first gear 5 and 6 what upper shells 1 of second gear and the bracing frame 2, between the 3rd gear 4 and 5 what bracing frames 2 of the 4th gear and the lower carriage 3.First gear 5 is fixed in upper shell 1 bottom centre, and its central point overlaps with upper shell 1 end cap central point; Second gear 6 and 5 engagements of first gear; The 3rd gear 7 is positioned at second gear, 6 belows, and is coaxial with second gear 6, and second gear 6 and the 3rd gear 7 are supported by bracing frame 2 and lower carriage 3, and parallel with screw thread depression bar 9 centrages; Above the 4th gear 8 is positioned in the middle of the lower carriage 3, with 7 engagements of the 3rd gear; Screw thread depression bar 9 is sleeved in the core of the 4th gear 8, is connected with the core thread helix of the 4th gear 8.The top of screw thread depression bar 9 is square terminations 15, is inserted in the square hole 16 of bracing frame 2 bottoms.The location structure of square hole formula keeps screw thread depression bar 9 to have only axial moving force, puts on the tube for transfusion 10 to guarantee pressure.
Referring to Fig. 2, on upper shell 1 outer circumference surface flow velocity scale 14 is arranged, user can be regulated infusion flow rate according to scale.
As shown in Figure 3, on upper shell 1 end cap, be positioned at first gear 5 and second gear, 6 engaging tooth both sides place, a pair of locking hole 19 is arranged, what cooperate with it is that a U-shape lock ends skewer pin 20 (seeing shown in Figure 6), when locking skewer pin 20 insertion locking hole 19, the first gears 5 and second gear 6 just are stuck and can not rotate, constant thereby infusion flow rate is stablized.
As Fig. 4, shown in Figure 5, following platen 4 end faces middle part is provided with a groove 11, and tube for transfusion 10 is placed in the groove 11.In the core position of groove 11 is a circular trough 12, the width the when diameter of circular trough 12 can hold tube for transfusion 10 and is crushed closure fully.Screw thread depression bar 9 is by the central through hole of lower carriage 3, and the lower end is relative with the core position of following platen groove 11, and is promptly relative with circular trough 12.Tube for transfusion 10 is crushed between screw thread depression bar 9 and the circular trough 12.Again referring to Fig. 1, one and described circular trough 12 corresponding grooves 13 are arranged in the bottom of screw thread depression bar 9, when screw thread depression bar 9 moves downward, tube for transfusion 10 is subjected to circular trough 12 relative extruding and the restriction on groove 13 and the following platen 4 under the screw thread depression bar 9, internal diameter can change between fully airtight from being up to, and adapts to the requirement of any flow velocity.
The above-mentioned construction features of this utility model is that each centrage of the circular trough 12 of upper shell 1, first gear 5, bracing frame 2, lower carriage 3, screw thread depression bar 9 and following platen 4 coincides, to guarantee the steady running of whole device.
Use of the present utility model is: open down platen 4, tube for transfusion 10 is put into down in platen 4 grooves 11, will descend platen 4 closures then.Reserve flow velocity scale 14, select flow velocity, rotation upper shell 1, the first gear 5 rotates synchronously with upper shell 1.Under the drive of first gear 5, other gears rotate successively.Because the square hole that screw thread depression bar 9 vertical square terminations are 15 supported 2 location, the screw thread depression bar 9 that is spirally connected with the 4th gear centre screw thread can only do upwards, downward axially-movable, in order to extruding with loosen the tube for transfusion 10 of 11 li of grooves that are placed on down platen 4, change the internal diameter of infusion pipeline with this, regulate flow velocity.The flow velocity size is indicated by the scale on upper shell 1 excircle.
After determining good flow velocity, locking skewer pin 20 is inserted in the locking hole 19, gear is set and can not rotates, and tube for transfusion 10 flow velocitys promptly are not stabilized and can change.In the time will reselecting flow velocity, only need extract locking skewer pin 20, repeat above operation, turn upper shell 1 to suitable position.
Because of down between platen 4 and the lower carriage 3 for can open, closed buckle closure formula connects, and can replace the tube for transfusion 10 that is clipped among them very easily.Because it is very big that this utility model is regulated the scope of flow velocity, can be used in different flow velocity requirements with a kind of tube for transfusion 10 of specification.
Above embodiment is this utility model preferred embodiment, relevant technologies personnel are not breaking away under the spirit and scope of the present utility model, various conversion and the variation made, as the external shape of infusion regulator is done simple variation etc., all belong to the technical scheme that is equal to, also should belong to category of the present utility model.
Claims (10)
1. an infusion flow rate actuator is a cylindrical box, it is characterized in that:
It is by upper shell, bracing frame, and lower carriage, following platen, and the gear and the thread transmission that are contained in the box are formed; Rotate between described upper shell and bracing frame and engage, bracing frame is fixedly connected on the lower carriage, presses together between following platen and lower carriage; Described gear and thread transmission are made up of the screw thread depression bar of first gear to the, four gears and the 4th gear centre; Between described first gear and the second gear position what upper shell and the bracing frame, between the 3rd gear and the 4th gear position what bracing frame and the lower carriage; First gear is fixed in upper shell bottom centre, its central point overlaps with upper shell end cap central point, second gear and first gears engaged, the 3rd gear is positioned at second gear below, coaxial with second gear, second gear and the 3rd gear are supported by bracing frame and lower carriage, and parallel with screw thread depression bar centrage, above the 4th gear is positioned in the middle of the lower carriage, with the 3rd gears engaged; The screw thread depression bar is sleeved in the core of the 4th gear, is connected to do axially-movable with the core thread helix of the 4th gear; Described platen end face down middle part is provided with the groove of a placement tube for transfusion; The screw thread depression bar is by the central through hole of lower carriage, and the lower end is relative with the core position of described groove.
2. infusion flow rate actuator according to claim 1 is characterized in that: the flow velocity scale is arranged on the upper shell outer circumference surface.
3. according to the described infusion flow rate actuator of claim 1, it is characterized in that: the top of screw thread depression bar is a square termination, is inserted in the square hole of bracing frame bottom.
4. infusion flow rate actuator according to claim 1 is characterized in that: cover in upper end, be positioned at first gear and second gears engaged tooth both sides place, a pair of locking hole is arranged; What cooperate with it is that a U-shape lock ends the skewer pin.
5. infusion flow rate actuator according to claim 1 is characterized in that: in the core position of groove is a circular trough, the width the when diameter of circular trough can hold tube for transfusion and is crushed closure fully.
6. infusion flow rate actuator according to claim 5 is characterized in that: one and the corresponding groove of described circular trough are arranged in the bottom of screw thread depression bar.
7. infusion flow rate actuator according to claim 1 is characterized in that: upper shell engages with the concaveconvex structure rotation of bracing frame with mutual coupling.
8. infusion flow rate actuator according to claim 1 is characterized in that: fixedly connected in the mode of interference fit between bracing frame and lower carriage.
9. infusion flow rate actuator according to claim 1 is characterized in that: be that pivotally connected, the other end is that the buckle ways of connecting presses together with an end between following platen and the lower carriage.
10. infusion flow rate actuator according to claim 1 or 5, it is characterized in that: each centrage of upper shell, first gear, bracing frame, lower carriage, screw thread depression bar and following platen circular trough coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202707420U CN201492759U (en) | 2009-11-25 | 2009-11-25 | Infusion flow velocity regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202707420U CN201492759U (en) | 2009-11-25 | 2009-11-25 | Infusion flow velocity regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201492759U true CN201492759U (en) | 2010-06-02 |
Family
ID=42435969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202707420U Expired - Lifetime CN201492759U (en) | 2009-11-25 | 2009-11-25 | Infusion flow velocity regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201492759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975063A (en) * | 2019-12-23 | 2020-04-10 | 华中科技大学同济医学院附属协和医院 | Infusion flow rate control and method |
-
2009
- 2009-11-25 CN CN2009202707420U patent/CN201492759U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975063A (en) * | 2019-12-23 | 2020-04-10 | 华中科技大学同济医学院附属协和医院 | Infusion flow rate control and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HOUPU TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI TUYUAN Effective date: 20101122 Free format text: FORMER OWNER: HAO XINXIN ZHAO LIANLI |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100037 NO. 1, UNIT 5, BUILDING 1, YUETAN NORTH STREET, XICHENG DISTRICT, BEIJING TO: 100043 ROOM 1106, JINGYANG HONGCHANG BUILDING, NO. 2, TIYUCHANG SOUTH ROAD, SHIJINGSHAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101122 Address after: No. 2 building, 100043 Beijing Jingyang Hongchang Shijingshan District Stadium Road, room 1106 Patentee after: Beijing Magnolia Technology Co Address before: 100037 Beijing city Xicheng District Yuetanbeijie 1 Building 5 No. 1 Co-patentee before: Hao Xinxin Patentee before: Li Tuyuan Co-patentee before: Zhao Lianli |
|
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING HOUPU TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING HOUPU TECHNOLOGY COMPANY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 2 building, 100043 Beijing Jingyang Hongchang Shijingshan District Stadium Road, room 1106 Patentee after: Beijing Magnolia Technology Co., Ltd. Address before: No. 2 building, 100043 Beijing Jingyang Hongchang Shijingshan District Stadium Road, room 1106 Patentee before: Beijing Magnolia Technology Co |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |