CN205163827U - Anchor clamps for syringe pump - Google Patents
Anchor clamps for syringe pump Download PDFInfo
- Publication number
- CN205163827U CN205163827U CN201520808263.5U CN201520808263U CN205163827U CN 205163827 U CN205163827 U CN 205163827U CN 201520808263 U CN201520808263 U CN 201520808263U CN 205163827 U CN205163827 U CN 205163827U
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- CN
- China
- Prior art keywords
- syringe
- fixing head
- groove
- limit mechanism
- draw
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an anchor clamps for syringe pump, it is including the second mount of the barrel of the first mount of the push rod of fixed syringe and fixed syringe, and first mount includes first fixed plate, and first fixed plate passes through the connecting piece to be installed on the syringe pump, is equipped with a stop gear and the 2nd stop gear on the first fixed plate, and the second mount includes the second fixed plate, is equipped with the 3rd stop gear and fourth stop gear on the second fixed plate. The beneficial effects of the utility model are that: the motion of the push rod horizontal (radial along its) through stop gear restraint syringe, the axial motion of the push rod through the 2nd stop gear restraint syringe, the motion of the sleeve horizontal (radial along its) through the 3rd stop gear restraint syringe is through the telescopic axial motion of fourth stop gear restraint syringe to this, it is firmly fixed respectively with the push rod and the sleeve of syringe, guarantee the accurate operation of syringe.
Description
Technical field
This utility model relates to a kind of Vasculocardiology Deparment medical apparatus and instruments, is specifically related to a kind of syringe pump fixture.
Background technology
Syringe pump is made up of motor and driver, screw mandrel and support etc., has the screw mandrel, the nut that move back and forth, therefore also referred to as screw mandrel pump.Nut is connected with the piston of syringe, holds medicinal liquid in syringe, realizes high accuracy, steady pulseless liquid transfer.But current syringe is fixed insecure on syringe pump, syringe pump work process, certainly will cause the relative sliding between fixture and syringe, thus affects the precision of syringe pump, therefore, needs a kind of syringe pump fixture firmly fixed by syringe.
Utility model content
The purpose of this utility model is to provide a kind of syringe pump fixture, by the motion of the push rod horizontal (radially) of the first position-limit mechanism constraint syringe, by the axially-movable of the push rod of the second position-limit mechanism constraint syringe, by the motion of the sleeve horizontal (radially) of the 3rd position-limit mechanism constraint syringe, by the axially-movable of the sleeve of the 4th position-limit mechanism constraint syringe, with this, the push rod of syringe and sleeve are fixedly secured respectively, ensure the accurate operation of syringe, to overcome prior art above shortcomings.
The purpose of this utility model is achieved through the following technical solutions:
Syringe pump fixture, comprises the second fixed mount of the first fixed mount of the push rod of fixing syringe and the cylindrical shell of fixing syringe, wherein:
Described first fixed mount comprises the first fixing head, described first fixing head is arranged on syringe pump by connector, the first position-limit mechanism that the push rod that described first fixing head is provided with constraint syringe radially moves and second position-limit mechanism of push rod along its axially-movable retraining syringe;
Described second fixed mount comprises the second fixing head, described second fixing head is arranged on syringe pump by connector, the 3rd position-limit mechanism that the cylindrical shell that described second fixing head is provided with constraint syringe radially moves and three position-limit mechanism of cylindrical shell along its axially-movable retraining syringe.
Further, described first position-limit mechanism comprises the rotor plate on two same sides being hinged on described first fixing head, it is semicircular first draw-in groove that two described rotor plates surface is toward each other equipped with a cross section, two described first draw-in grooves are oppositely arranged, and the radius of the first draw-in groove edge that equals the bifurcation of push rod to push rod axis between distance;
Described first position-limit mechanism also comprises the hold-down mechanism compressed to direction close to each other by two described rotor plates.
Preferably, described hold-down mechanism is be set in the torsion spring on the jointed shaft of described rotor plate, and an elastic tip of described torsion spring and described first fixing head or described jointed shaft are fixed, and the other end and the described rotor plate of described torsion spring are fixed.
Further, described first position-limit mechanism also comprises the pressing plate that a side is fixedly connected with a side of described first fixing head, described pressing plate and described first fixing head be arranged in parallel, and leave the rotation space rotated for described rotor plate between described pressing plate and described first fixing head, described pressing plate is provided with the patchhole of the end insertion for the push rod of syringe, the dead in line of the circular hole surrounded when the axis of described patchhole and two described first draw-in grooves fasten.
Preferably, described pressing plate is provided with the slip through hole that two shape of cross sections are arc, two described rotor plates are fixed with respectively a driving lever, the upper end of described driving lever passes described slip through hole, described driving lever coordinates with described slip via clearance, the axis of described slip through hole and the dead in line of described rotor plate.
Further, described first position-limit mechanism also comprises two locking plates, and two described locking plates are all hinged on the edge of described pressing plate, described locking plate is equipped with the locking through hole of some and described locking rod matched in clearance.
Further, all leave the thickness of the end of the push rod highly equaling syringe between two described rotor plates and described first fixing head first axially fixes groove, to form described second position-limit mechanism.
Further, described 3rd position-limit mechanism comprises some depression bars being hinged on the same side of described second fixing head, the free end of described depression bar is provided with the second draw-in groove towards the direction of described second fixing head, described second fixing head is provided with opening three draw-in groove relative with the opening of described second draw-in groove towards the position of described depression bar, and the radius of described second draw-in groove and the radius of described 3rd draw-in groove are equal to the external diameter of the sleeve of syringe;
The hinging pin shaft of hinged described depression bar is provided with the adjustment screw thread of the distance to described second fixing head regulating described depression bar, and described 3rd position-limit mechanism also comprises the adjusting knob with described adjustment threaded engagement.
Preferably, the hinging pin shaft of described depression bar is provided with back-moving spring, described back-moving spring is arranged between described depression bar and described second fixing head.
Further, also comprise the 4th position-limit mechanism, described 4th position-limit mechanism is be arranged on second on described second fixing head axially to fix groove, described second thickness axially fixing groove equals the thickness of the outer rim of the opening part of the sleeve of syringe, and the described second axial fixing shape of groove is identical with the outer rim of the opening part of the sleeve of syringe, the described second axial fixing groove is coaxial with described 3rd draw-in groove.
The beneficial effects of the utility model are:
By the motion of the push rod horizontal (radially) of the first position-limit mechanism constraint syringe, by the axially-movable of the push rod of the second position-limit mechanism constraint syringe, by the motion of the sleeve horizontal (radially) of the 3rd position-limit mechanism constraint syringe, by the axially-movable of the sleeve of the 4th position-limit mechanism constraint syringe, with this, the push rod of syringe and sleeve are fixedly secured respectively, ensures the accurate operation of syringe;
Two rotor plates are opened by opening hold-down mechanism, by the push rod of syringe through two the first draw-in grooves opened, then hold-down mechanism is unclamped, two rotor plates are pressed on the edge of the bifurcation of the push rod of syringe by hold-down mechanism, thus the radial motion of constraint push rod, and two the first draw-in grooves are semicircular draw-in groove, make gripping push rods firm;
Torsion spring selected by hold-down mechanism, and be sleeved on the hinging pin shaft of pressing plate, structure is simple;
Pass through pressing plate, on the basis of the end winding support by push rod, a fixing limit is carried out in the middle part of push rod, it is realized by patchhole, when push rod is at patchhole, can the teeter of to a certain degree anti-throw-out lever, especially, for piston is connected between push rod with sleeve, it has horizontal degree of freedom, therefore pressing plate is set, fixing push rod and sleeve further, in addition, the rotation space rotated for rotor plate is left between pressing plate and the first fixing head, by the protection of this moving component of rotor plate interior, prevent external impacts, extend service life of the present utility model,
By stirring driving lever, can compress hold-down mechanism, driving lever does arc sliding along the setting direction of slip through hole, is opened by rotor plate, improves the convenience of operation, improves the scope of application of the present utility model;
After poke rod is opened completely, be connected on the locking plate of the locking plate on pressing plate by rotating hinge, the upper end of driving lever be sleeved on by locking through hole, facilitate the loading of push rod;
Between rotor plate and fixing head, leave first axially fix groove, to retrain push rod motion vertically further;
Second draw-in groove is relative with the 3rd draw-in groove opening, in sleeve is fixed on, to retrain its radial motion, by the distance between adjusting knob scalable depression bar to the second fixing head, to be opened completely in the second and the 3rd space between draw-in groove, convenient sleeve is placed on the 3rd draw-in groove;
By back-moving spring, depression bar is pressed to the direction away from the second fixing head all the time, with depression bar after ensureing to unclamp adjusting knob automatically away from the second fixing head, thus, improve property easy to use of the present utility model;
Be fixed on second by the outer rim of the opening part by sleeve axially to fix in groove, move along its axial direction to retrain sleeve.
Accompanying drawing explanation
Fig. 1 be a visual angle of the first fixed mount described in the utility model perspective view;
Fig. 2 is the perspective view at the another visual angle of the first fixed mount described in the utility model;
Fig. 3 is the perspective view at a visual angle of the second fixed mount described in the utility model;
Fig. 4 is the perspective view at the another visual angle of the second fixed mount described in the utility model;
Fig. 5 is the perspective view at a visual angle after the first fixed mount dismounting pressing plate described in the utility model;
Fig. 6 is the location diagram of the first fixed mount of the present utility model and the second fixed mount using state.
In figure: 100, the first fixing head; 200, rotor plate; 201, the first draw-in groove; 300, pressing plate; 301, patchhole; 302, slip through hole; 400, driving lever 400; 500, locking plate; 501, locking through hole; 600, first axially groove is fixed; 700, the second fixing head; 701, the 3rd draw-in groove; 702, second axially groove is fixed; 800, depression bar; 801, the second draw-in groove; 900, adjusting knob.
Detailed description of the invention
Preferred implementation
As shown in figs 1 to 6, syringe pump fixture, comprise the second fixed mount of the first fixed mount of the push rod of fixing syringe and the cylindrical shell of fixing syringe, first fixed mount comprises the first fixing head 100, described first fixing head 100 is arranged on syringe pump by connector, the first position-limit mechanism that the push rod that described first fixing head 100 is provided with constraint syringe radially moves and second position-limit mechanism of push rod along its axially-movable retraining syringe; Described second fixed mount comprises the second fixing head 700, described second fixing head 700 is arranged on syringe pump by connector, the 3rd position-limit mechanism that the cylindrical shell that described second fixing head 700 is provided with constraint syringe radially moves and three position-limit mechanism of cylindrical shell along its axially-movable retraining syringe.By the motion of the push rod horizontal (radially) of the first position-limit mechanism constraint syringe, by the axially-movable of the push rod of the second position-limit mechanism constraint syringe, by the motion of the sleeve horizontal (radially) of the 3rd position-limit mechanism constraint syringe, by the axially-movable of the sleeve of the 4th position-limit mechanism constraint syringe, with this, the push rod of syringe and sleeve are fixedly secured respectively, ensures the accurate operation of syringe.
First position-limit mechanism comprises the rotor plate 200 on two same sides being hinged on described first fixing head 100, it is semicircular first draw-in groove 201 that two described rotor plates 200 surface is toward each other equipped with a cross section, two described first draw-in grooves 201 are oppositely arranged, and the radius of the first draw-in groove 201 edge that equals the bifurcation of push rod to push rod axis between distance; Described first position-limit mechanism also comprises the hold-down mechanism compressed to direction close to each other by two described rotor plates 200.Two rotor plates 200 are opened by opening hold-down mechanism, by the push rod of syringe through two the first draw-in grooves 201 opened, then hold-down mechanism is unclamped, two rotor plates 200 are pressed on the edge of the bifurcation of the push rod of syringe by hold-down mechanism, thus the radial motion of constraint push rod, and two the first draw-in grooves 201 are semicircular draw-in groove, make gripping push rods firm.
Hold-down mechanism is the torsion spring (not shown in FIG.) be set on the jointed shaft of described rotor plate 200, and an elastic tip of described torsion spring and described first fixing head 100 or described jointed shaft are fixed, and the other end and the described rotor plate 200 of described torsion spring are fixed.Torsion spring selected by hold-down mechanism, and be sleeved on the hinging pin shaft of pressing plate 300, structure is simple.
First position-limit mechanism also comprises the pressing plate 300 that a side is fixedly connected with a side of described first fixing head 100, described pressing plate 300 and described first fixing head 100 be arranged in parallel, and leave the rotation space rotated for described rotor plate 200 between described pressing plate 300 and described first fixing head 100, described pressing plate 300 is provided with the patchhole 301 of the end insertion for the push rod of syringe, the dead in line of the circular hole surrounded when the axis of described patchhole 301 and two described first draw-in grooves 201 fasten.By pressing plate 300, on the basis of the end winding support by push rod, a fixing limit is carried out in the middle part of push rod, it is realized by patchhole 301, when push rod is at patchhole 301, can the teeter of to a certain degree anti-throw-out lever, especially, for piston is connected between push rod with sleeve, it has horizontal degree of freedom, therefore pressing plate 300 is set, fixing push rod and sleeve further, in addition, the rotation space rotated for rotor plate 200 is left between pressing plate 300 and the first fixing head 100, by the protection of this moving component of rotor plate 200 interior, prevent external impacts, extend service life of the present utility model.
Pressing plate 300 is provided with the slip through hole 302 that two shape of cross sections are arc, two described rotor plates 200 are fixed with a driving lever 400 respectively, the upper end of described driving lever 400 passes described slip through hole 302, described driving lever 400 and described slip through hole 302 matched in clearance, the axis of described slip through hole 302 and the dead in line of described rotor plate 200.By stirring driving lever 400, can compress hold-down mechanism, driving lever 400 does arc sliding along the setting direction of slip through hole 302, is opened by rotor plate 200, improves the convenience of operation, improves the scope of application of the present utility model.
First position-limit mechanism also comprises the edge that two locking plates, 500, two described locking plates 500 are all hinged on described pressing plate 300, described locking plate 500 is equipped with the locking through hole 501 of some and described locking rod matched in clearance.After poke rod is opened completely, be connected on the locking plate 500 of the locking plate 500 on pressing plate 300 by rotating hinge, the upper end of driving lever 400 be sleeved on by locking through hole 501, facilitate the loading of push rod.
All leave the thickness of the end of the push rod highly equaling syringe between two described rotor plates 200 and described first fixing head 100 first axially fixes groove 600, to form described second position-limit mechanism.Between rotor plate 200 and fixing head, leave first axially fix groove 600, to retrain push rod motion vertically further.
3rd position-limit mechanism comprises some depression bars 800 being hinged on the same side of described second fixing head 700, the free end of described depression bar 800 is provided with the second draw-in groove 801 towards the direction of described second fixing head 700, described second fixing head 700 is provided with opening three draw-in groove 701 relative with the opening of described second draw-in groove 801 towards the position of described depression bar 800, and the radius of described second draw-in groove 801 and the radius of described 3rd draw-in groove 701 are equal to the external diameter of the sleeve of syringe; Second draw-in groove 801 is relative with the 3rd draw-in groove 701 opening, in sleeve is fixed on, to retrain its radial motion, by the distance between adjusting knob 900 scalable depression bar 800 to the second fixing head 700, to be opened completely in the second and the 3rd space between draw-in groove 701, convenient sleeve is placed on the 3rd draw-in groove 701.
The hinging pin shaft of hinged described depression bar 800 is provided with the adjustment screw thread of the distance to described second fixing head 700 regulating described depression bar 800, and described 3rd position-limit mechanism also comprises the adjusting knob 900 with described adjustment threaded engagement.
The hinging pin shaft of depression bar 800 is provided with back-moving spring (not shown in FIG.), described back-moving spring is arranged between described depression bar 800 and described second fixing head 700.By back-moving spring, depression bar 800 is pressed to the direction away from the second fixing head 700 all the time, to ensure to unclamp the rear depression bar 800 of adjusting knob 900 automatically away from the second fixing head 700, thus, improve property easy to use of the present utility model.
Also comprise the 4th position-limit mechanism, 4th position-limit mechanism is be arranged on second on described second fixing head 700 axially to fix groove 702, described second thickness axially fixing groove 702 equals the thickness of the outer rim of the opening part of the sleeve of syringe, and the described second axial fixing shape of groove 702 is identical with the outer rim of the opening part of the sleeve of syringe, the described second axial fixing groove 702 is coaxial with described 3rd draw-in groove 701.Be fixed on second by the outer rim of the opening part by sleeve axially to fix in groove 702, move along its axial direction to retrain sleeve.
Claims (10)
1. syringe pump fixture, is characterized in that, comprises the second fixed mount of the first fixed mount of the push rod of fixing syringe and the cylindrical shell of fixing syringe, wherein:
Described first fixed mount comprises the first fixing head, described first fixing head is arranged on syringe pump by connector, the first position-limit mechanism that the push rod that described first fixing head is provided with constraint syringe radially moves and second position-limit mechanism of push rod along its axially-movable retraining syringe;
Described second fixed mount comprises the second fixing head, described second fixing head is arranged on syringe pump by connector, the 3rd position-limit mechanism that the cylindrical shell that described second fixing head is provided with constraint syringe radially moves and three position-limit mechanism of cylindrical shell along its axially-movable retraining syringe.
2. syringe pump fixture according to claim 1, it is characterized in that, described first position-limit mechanism comprises the rotor plate on two same sides being hinged on described first fixing head, it is semicircular first draw-in groove that two described rotor plates surface is toward each other equipped with a cross section, two described first draw-in grooves are oppositely arranged, and the radius of the first draw-in groove edge that equals the bifurcation of push rod to push rod axis between distance;
Described first position-limit mechanism also comprises the hold-down mechanism compressed to direction close to each other by two described rotor plates.
3. syringe pump fixture according to claim 2, it is characterized in that, described hold-down mechanism is be set in the torsion spring on the jointed shaft of described rotor plate, and an elastic tip of described torsion spring and described first fixing head or described jointed shaft are fixed, and the other end and the described rotor plate of described torsion spring are fixed.
4. syringe pump fixture according to claim 3, it is characterized in that, described first position-limit mechanism also comprises the pressing plate that a side is fixedly connected with a side of described first fixing head, described pressing plate and described first fixing head be arranged in parallel, and leave the rotation space rotated for described rotor plate between described pressing plate and described first fixing head, described pressing plate is provided with the patchhole of the end insertion for the push rod of syringe, the dead in line of the circular hole surrounded when the axis of described patchhole and two described first draw-in grooves fasten.
5. syringe pump fixture according to claim 4, it is characterized in that, described pressing plate is provided with the slip through hole that two shape of cross sections are arc, two described rotor plates are fixed with respectively a driving lever, the upper end of described driving lever passes described slip through hole, described driving lever coordinates with described slip via clearance, the axis of described slip through hole and the dead in line of described rotor plate.
6. syringe pump fixture according to claim 5, it is characterized in that, described first position-limit mechanism also comprises two locking plates, and two described locking plates are all hinged on the edge of described pressing plate, described locking plate is equipped with the locking through hole of some and described locking rod matched in clearance.
7. syringe pump fixture according to claim 4, it is characterized in that, all leave the thickness of the end of the push rod highly equaling syringe between two described rotor plates and described first fixing head first axially fixes groove, to form described second position-limit mechanism.
8. the syringe pump fixture according to any one of claim 1-7, it is characterized in that, described 3rd position-limit mechanism comprises some depression bars being hinged on the same side of described second fixing head, the free end of described depression bar is provided with the second draw-in groove towards the direction of described second fixing head, described second fixing head is provided with opening three draw-in groove relative with the opening of described second draw-in groove towards the position of described depression bar, and the radius of described second draw-in groove and the radius of described 3rd draw-in groove are equal to the external diameter of the sleeve of syringe;
The hinging pin shaft of hinged described depression bar is provided with the adjustment screw thread of the distance to described second fixing head regulating described depression bar, and described 3rd position-limit mechanism also comprises the adjusting knob with described adjustment threaded engagement.
9. syringe pump fixture according to claim 8, is characterized in that, the hinging pin shaft of described depression bar is provided with back-moving spring, and described back-moving spring is arranged between described depression bar and described second fixing head.
10. syringe pump fixture according to claim 8, it is characterized in that, also comprise the 4th position-limit mechanism, described 4th position-limit mechanism is be arranged on second on described second fixing head axially to fix groove, described second thickness axially fixing groove equals the thickness of the outer rim of the opening part of the sleeve of syringe, and the described second axial fixing shape of groove is identical with the outer rim of the opening part of the sleeve of syringe, the described second axial fixing groove is coaxial with described 3rd draw-in groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520808263.5U CN205163827U (en) | 2015-10-16 | 2015-10-16 | Anchor clamps for syringe pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520808263.5U CN205163827U (en) | 2015-10-16 | 2015-10-16 | Anchor clamps for syringe pump |
Publications (1)
Publication Number | Publication Date |
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CN205163827U true CN205163827U (en) | 2016-04-20 |
Family
ID=55727869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520808263.5U Expired - Fee Related CN205163827U (en) | 2015-10-16 | 2015-10-16 | Anchor clamps for syringe pump |
Country Status (1)
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CN (1) | CN205163827U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108187185A (en) * | 2018-02-26 | 2018-06-22 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Injection device |
CN111166969A (en) * | 2018-11-13 | 2020-05-19 | 保定申辰泵业有限公司 | Control system and control method of split type injection pump |
-
2015
- 2015-10-16 CN CN201520808263.5U patent/CN205163827U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108187185A (en) * | 2018-02-26 | 2018-06-22 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Injection device |
CN111166969A (en) * | 2018-11-13 | 2020-05-19 | 保定申辰泵业有限公司 | Control system and control method of split type injection pump |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161016 |