CN103334918B - For shifting fork piece device and the infusion pump of infusion pump - Google Patents
For shifting fork piece device and the infusion pump of infusion pump Download PDFInfo
- Publication number
- CN103334918B CN103334918B CN201310286864.XA CN201310286864A CN103334918B CN 103334918 B CN103334918 B CN 103334918B CN 201310286864 A CN201310286864 A CN 201310286864A CN 103334918 B CN103334918 B CN 103334918B
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- shifting fork
- fork piece
- mounting portion
- infusion pump
- piece device
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Abstract
The invention provides a kind of shifting fork piece device for infusion pump and there is the infusion pump of this shifting fork piece device.Shifting fork piece device comprises: mounting portion that is flexible, sheet, and this mounting portion has the first relative in a thickness direction side and the second side; And being installed on the shifting fork piece part of mounting portion, this shifting fork piece part is through mounting portion on the thickness direction of mounting portion, and this shifting fork piece part comprises: press part, and first side of described press part from mounting portion to mounting portion is stretched out; And drive portion, second side of described drive portion from mounting portion to mounting portion is stretched out.Can prevent liquid from entering in the housing of infusion pump according to shifting fork piece device of the present invention and infusion pump.
Description
Technical field
The present invention relates to a kind of shifting fork piece device for infusion pump and infusion pump.
Background technique
In prior art, the shifting fork piece of infusion pump pump head, without waterproof, can cause liquid to enter in infusion pump housing like this.
Summary of the invention
The object of this invention is to provide a kind of shifting fork piece device for infusion pump and infusion pump, prevent liquid from entering in infusion pump housing thus.
According to an aspect of the present invention, the invention provides a kind of shifting fork piece device for infusion pump, this shifting fork piece device comprises: mounting portion that is flexible, sheet, and this mounting portion has the first relative in a thickness direction side and the second side; And being installed on the shifting fork piece part of mounting portion, this shifting fork piece part is through mounting portion on the thickness direction of mounting portion, and this shifting fork piece part comprises: press part, and first side of described press part from mounting portion to mounting portion is stretched out; And drive portion, second side of described drive portion from mounting portion to mounting portion is stretched out.
According to an aspect of the present invention, the described shifting fork piece device for infusion pump also comprises: the annulus that the second side from the periphery of mounting portion to mounting portion extends.
According to an aspect of the present invention, the described shifting fork piece device for infusion pump also comprises: annular base plate, and this annular base plate has opening, the edge conjunction away from the end of mounting portion and the opening of annular base plate of described annulus.
According to an aspect of the present invention, described drive portion comprises the joint for being removably connected with the shifting fork piece part of pump head component.
According to an aspect of the present invention, described shifting fork piece part also comprises the assembly department be arranged between press part and drive portion.
According to an aspect of the present invention, flexibility, on direction that the mounting portion of sheet extends, the cross section of the assembly department of described shifting fork piece part is less than the cross section of press part and drive portion.
According to an aspect of the present invention, between press part and drive portion, form circular groove, be provided with embedded piece in this circular groove, the end of the close drive portion of this embedded piece is connected with mounting portion.
According to an aspect of the present invention, the assembly department of described shifting fork piece part is tubular elements.
According to an aspect of the present invention, the barrel of the tubular elements of the assembly department of described shifting fork piece part has through hole.
According to an aspect of the present invention, described annulus has the shape of corrugated tube shape.
According to an aspect of the present invention, shifting fork piece device is one.
According to a further aspect in the invention, the invention provides a kind of infusion pump, this infusion pump comprises above-mentioned shifting fork piece device.
Can prevent liquid from entering in the housing of infusion pump according to shifting fork piece device of the present invention and infusion pump.
Accompanying drawing explanation
Fig. 1 is the perspective view of infusion pump of the present invention;
Fig. 2 is the perspective exploded view of infusion pump of the present invention;
Fig. 3 a is the plan view after infusion pump of the present invention disassembles pump door assembly;
Fig. 3 b is the sectional view after infusion pump of the present invention disassembles pump door assembly;
Fig. 4 is the shifting fork piece device of infusion pump of the present invention and the perspective exploded view of relevant parts;
Fig. 5 is the shifting fork piece device of infusion pump of the present invention and the perspective view of pump head component;
Fig. 6 is the perspective view of the shifting fork piece device of infusion pump of the present invention when watching from both direction;
Fig. 7 a is the plan view that the shifting fork piece device of infusion pump of the present invention and pump head component fit together;
Fig. 7 b is the sectional view along the line E-E in Fig. 7 a;
Fig. 7 c is the sectional view along the line F-F in Fig. 7 a; And
Fig. 8 is the perspective view of the shifting fork piece part of pump head component and the shifting fork piece part of shifting fork piece device.
Embodiment
In conjunction with embodiments of the invention, the present invention is described in detail with reference to the accompanying drawings.
Fig. 1 to 2 shows according to infusion pump 10 of the present invention.Infusion pump 10 also can be called nutrition pump etc.Infusion pump 10 comprises: pump door assembly 11, main casing assembly 12 and base assembly 3.
As shown in Fig. 3 a to 7b, infusion pump 10 also comprises pump head component 16, front panel 17, shifting fork piece device 15, shifting fork piece device fixing frame 18.By front panel 17 and shifting fork piece device fixing frame 18, shifting fork piece device 15 is fixed on main casing assembly 12.Front panel 17 and shifting fork piece device fixing frame 18 can adopt any suitable structure.
As shown in Fig. 3 a to 8, pump head component 16 comprises motor, camshaft 161, cam bit 163, shifting fork piece part 162.Shifting fork piece part 162 is with joint 162A.
As shown in Fig. 6 to 8, shifting fork piece device 15 according to the present invention comprises: mounting portion 151 (such as, water-proof mat) that is flexible, sheet and be installed on the shifting fork piece part 153 of mounting portion 151.Mounting portion has the first relative in a thickness direction side and the second side.Shifting fork piece part 153 passes mounting portion 151 on the thickness direction of mounting portion 151.Shifting fork piece part 153 comprises press part 153A and drive portion 153B, and press part 153A stretches out the first side from mounting portion 151 to mounting portion, and second side of drive portion 153B from mounting portion 151 to mounting portion 151 is stretched out.
As shown in Fig. 6 to 7b, shifting fork piece device 15 according to the present invention can also comprise the annulus 152 that the second side from the periphery of mounting portion 151 to mounting portion 151 extends.Annulus 152 can be roughly vertical with mounting portion 151.
As shown in Fig. 6 to 7b, shifting fork piece device 15 can also comprise annular base plate 155, and this annular base plate 155 has opening, the edge conjunction of the end away from mounting portion 151 of annulus 152 and the opening of annular base plate 155.This annular base plate 155 is clamped in (see Fig. 3 b, Fig. 4) between front panel 17 and shifting fork piece device fixing frame 18.
As selection, annulus 152 can not be set, but the periphery of mounting portion 151 be directly fixed between front panel 17 and shifting fork piece device fixing frame 18; Or annular base plate 155 is not set, but such as front panel 17 and the direct stationary ring portion 152 of shifting fork piece device fixing frame 18.Obviously, by suitably changing the structure of front panel 17 and shifting fork piece device fixing frame 18, part 151 or annulus 152 can directly be fixedly mounted.Another kind of simple selection is directly bonded on front panel 17 in mounting portion 151 or annulus 152.
As shown in Fig. 6 to 7b, drive portion 153B comprises the joint 153B1 that the joint 162A for the shifting fork piece part 162 with pump head component 16 is removably connected, and the mode such as connected with buckle connects.Connected to the corresponding joint 162A of the shifting fork piece part 162 of pump head component 16 by the joint 153B1 of shifting fork piece device 15, form shifting fork piece by the shifting fork piece part 153 of shifting fork piece device 15 and the shifting fork piece part 162 of pump head component 16.The corresponding joint 162A of the joint 153B1 of shifting fork piece device 15 and the shifting fork piece part 162 of pump head component 16 can adopt mode as shown in Figure 8, joint 153B1 comprises two relative wall portion, the relative side of wall portion has unci, the joint 162A of the shifting fork piece part 162 of pump head component 16 has plate portion, this plate portion has the protruding part coordinated with corresponding unci, thus when plate portion is inserted between relative wall portion, protruding part is stuck on unci, the corresponding joint 162A of the joint 153B1 of shifting fork piece device 15 and the shifting fork piece part 162 of pump head component 16 is linked together.Obviously, the joint 153B1 of shifting fork piece device 15 can be connected in any suitable manner with the corresponding joint 162A of the shifting fork piece part 162 of pump head component 16.
Obviously, the shifting fork piece part 153 of shifting fork piece device 15 and the shifting fork piece part 162 of pump head component 16 also can be the shifting fork pieces of one.
As shown in Fig. 7 b, 7c and 8, the shifting fork piece part 153 of shifting fork piece device 15 can also comprise the assembly department 153C be arranged between press part 153A and drive portion 153B.The shifting fork piece part 153 of shifting fork piece device 15 is connected with mounting portion 151 by assembly department 153C.According to a kind of example of the present invention, flexibility, the cross section of the assembly department 153C of direction upper shift fork sheet part that the mounting portion 153 of sheet extends is less than the cross section of press part 153A and drive portion 153B.Optimal way is, forms circular groove 153D between press part 153A and drive portion 153B, is provided with embedded piece 153E in this circular groove 153D, and the end of the close drive portion 153B of this embedded piece 153E is connected with mounting portion 151.Embedded piece 153E and mounting portion 151 can form one by same material.Obviously, mounting portion 151 also can be clipped in circular groove 153D.
As shown in Fig. 7 b, 7c and 8, the assembly department 153C of shifting fork piece part 153 can be tubular elements, or sheet shaped piece etc.The barrel of the tubular elements of the assembly department 153C of shifting fork piece part 153 has through hole 153C1.By arranging through hole, the embedded piece 153E in circular groove 153D can be made to be linked together by through hole, make the connection between mounting portion 151 and shifting fork piece part 153 more firm.
In order to increase the flexibility of shifting fork piece part 153, annulus 152 can have the shape of corrugated tube shape.
Shifting fork piece device 15 of the present invention can be one.Such as, shifting fork piece device 15 can utilize flexible material (such as rubber) to form mounting portion, annulus and embedded piece, utilizes plastics to form press part, drive portion and assembly department, forms one by injection moulding.
As shown in Figure 4, shifting fork piece device 15 is arranged in the square groove in the middle of front panel 17, and outside the installation step of front panel, namely keeps off before pump head component.Fixing frame 18 is pressed in the annular base plate 155 of shifting fork piece device 15, and then add rubber ring with screw and be fixed on front panel 17 by fixing frame 18, the press part 153A of the shifting fork piece part 153 of shifting fork piece device 15 exposes from the opening of fixing frame 18.
When infusion pump works, the motor internal of pump head component 16 rotates, and drive camshaft 161 and cam bit 163 to rotate, shifting fork piece part 162 moves up and down thus, and shifting fork piece part 162 drives shifting fork piece part 153 to move up and down.Structure due to mounting portion 151 is telescopic, both can not be torn and also can not leak into.Due to the effect of mounting portion 151, whether tube pump does not work, and mounting portion 151 can waterproof.Because pump head component 16 seals in the housing, therefore can waterproof.
Claims (12)
1., for a shifting fork piece device for infusion pump, it is characterized in that, comprising:
Mounting portion that is flexible, sheet, this mounting portion has the first relative in a thickness direction side and the second side; And
Be installed on the shifting fork piece part of mounting portion, this shifting fork piece part is through mounting portion on the thickness direction of mounting portion, and this shifting fork piece part comprises: press part, and first side of described press part from mounting portion to mounting portion is stretched out; And drive portion, second side of described drive portion from mounting portion to mounting portion is stretched out,
Described shifting fork piece part also comprises the assembly department be arranged between press part and drive portion.
2. the shifting fork piece device for infusion pump according to claim 1, also comprises:
The annulus that the second side from the periphery of mounting portion to mounting portion extends.
3. the shifting fork piece device for infusion pump according to claim 2, also comprises:
Annular base plate, this annular base plate has opening, the edge conjunction away from the end of mounting portion and the opening of annular base plate of described annulus.
4. the shifting fork piece device for infusion pump according to claim 1, wherein
Described drive portion comprises the joint for being removably connected with the shifting fork piece part of pump head component.
5. the shifting fork piece device for infusion pump according to claim 1, wherein
Described shifting fork piece part is connected with mounting portion by described assembly department.
6. the shifting fork piece device for infusion pump according to claim 1, wherein
Flexibility, on direction that the mounting portion of sheet extends, the cross section of the assembly department of described shifting fork piece part is less than the cross section of press part and drive portion.
7. the shifting fork piece device for infusion pump according to claim 6, wherein
Between press part and drive portion, form circular groove, be provided with embedded piece in this circular groove, the end of the close drive portion of this embedded piece is connected with mounting portion.
8. the shifting fork piece device for infusion pump according to claim 1,6 or 7, wherein
The assembly department of described shifting fork piece part is tubular elements.
9. the shifting fork piece device for infusion pump according to claim 8, wherein
The barrel of the tubular elements of the assembly department of described shifting fork piece part has through hole.
10. the shifting fork piece device for infusion pump according to claim 2, wherein
Described annulus has the shape of corrugated tube shape.
The 11. shifting fork piece devices for infusion pump according to claim 1, wherein
Shifting fork piece device is one.
12. 1 kinds of infusion pumps, comprising:
Shifting fork piece device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286864.XA CN103334918B (en) | 2013-07-09 | 2013-07-09 | For shifting fork piece device and the infusion pump of infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310286864.XA CN103334918B (en) | 2013-07-09 | 2013-07-09 | For shifting fork piece device and the infusion pump of infusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103334918A CN103334918A (en) | 2013-10-02 |
| CN103334918B true CN103334918B (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310286864.XA Active CN103334918B (en) | 2013-07-09 | 2013-07-09 | For shifting fork piece device and the infusion pump of infusion pump |
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| Country | Link |
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| CN (1) | CN103334918B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479797A (en) * | 1981-07-04 | 1984-10-30 | Terumo Corporation | Medication infusion device |
| EP0214443A1 (en) * | 1985-08-02 | 1987-03-18 | Nikkiso Co., Ltd. | A transfusion pump |
| US5938413A (en) * | 1995-01-18 | 1999-08-17 | Alaris Medical Systems, Inc. | Method and apparatus for protecting a pump mechanism from extraneous fluid |
| CN1474054A (en) * | 2002-07-06 | 2004-02-11 | B�����ʡ�÷���ɸ�����˾ | Creeping soft tube pump |
| CN102091364A (en) * | 2011-01-11 | 2011-06-15 | 毛爱民 | Infusion pump head capable of returning infusion tube and using method |
| CN202654477U (en) * | 2012-06-01 | 2013-01-09 | 珠海市美瑞华医用科技有限公司 | Multifunctional medical automatic transfusion pump |
| CN203374468U (en) * | 2013-07-09 | 2014-01-01 | 北京科力建元医疗科技有限公司 | Shifting fork piece device for infusion pump and infusion pump |
-
2013
- 2013-07-09 CN CN201310286864.XA patent/CN103334918B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479797A (en) * | 1981-07-04 | 1984-10-30 | Terumo Corporation | Medication infusion device |
| EP0214443A1 (en) * | 1985-08-02 | 1987-03-18 | Nikkiso Co., Ltd. | A transfusion pump |
| US5938413A (en) * | 1995-01-18 | 1999-08-17 | Alaris Medical Systems, Inc. | Method and apparatus for protecting a pump mechanism from extraneous fluid |
| CN1474054A (en) * | 2002-07-06 | 2004-02-11 | B�����ʡ�÷���ɸ�����˾ | Creeping soft tube pump |
| CN102091364A (en) * | 2011-01-11 | 2011-06-15 | 毛爱民 | Infusion pump head capable of returning infusion tube and using method |
| CN202654477U (en) * | 2012-06-01 | 2013-01-09 | 珠海市美瑞华医用科技有限公司 | Multifunctional medical automatic transfusion pump |
| CN203374468U (en) * | 2013-07-09 | 2014-01-01 | 北京科力建元医疗科技有限公司 | Shifting fork piece device for infusion pump and infusion pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103334918A (en) | 2013-10-02 |
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