CN205287122U - Syringe pump removes guiding mechanism - Google Patents
Syringe pump removes guiding mechanism Download PDFInfo
- Publication number
- CN205287122U CN205287122U CN201620019505.7U CN201620019505U CN205287122U CN 205287122 U CN205287122 U CN 205287122U CN 201620019505 U CN201620019505 U CN 201620019505U CN 205287122 U CN205287122 U CN 205287122U
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- Prior art keywords
- syringe pump
- guiding mechanism
- nut
- guide post
- containing cavity
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Abstract
The utility model discloses a syringe pump removes guiding mechanism, its technical scheme main points are including lead screw, drive lead screw pivoted driving piece, guide bar and guiding axle, the one end of guide bar is connected to the subassembly of cutting somebody's hair, the other end of guide bar is connected with the supporting shoe, the running fit of lead screw top spin has the nut, the nut with the connection of supporting shoe relatively fixed just is equipped with spacing subassembly of circumference and the spacing subassembly of axial between the two. The utility model provides a current syringe pump in transmission in -process stable problem inadequately.
Description
Technical field
This utility model relates to a kind of armarium, and in particular, it relates to a kind of syringe pump moving guiding mechanism.
Background technology
In therapeutic treatment, syringe is conventional utensil. For certain therapeutic purposes, it will usually use the instrument used for injection that capacity is big to patient injection medicine. Owing to injection volume is big, it usually needs certain injection time. In this case, medical personnel's manual operation will be very painstaking and inconvenient. Further, hand injection meets the injection speed of requirement and adjusts the requirement of injection speed.
Vehicles Collected from Market exists a kind of syringe pump, wherein syringe or similar utensil has been arranged on syringe pump, utilized the purpose promoting device or pushing syringe of cutting somebody's hair to realize injection. Wherein, application number be 201320405466.0 Chinese patent disclose a kind of syringe pump locking device, comprising: hook knob, described hook knob is arranged in rotary moving between locked and unlocked positions; Rod-like element, described rod-like element one end is removably secured with described hook knob and is connected, and when described hook knob is in rotary moving between described locked, described rod-like element rotates together with it, the other end of described rod-like element arranges block, described block is fixing with described rod-like element to be connected, and, described block and described rod-like element rotate together with; One end of first locking piece and the second locking piece, one end of described first locking piece and described second locking piece is rotatably attached by rotating shaft, and the other end of described first locking piece and the other end of described second locking piece match with leading screw; Support member, described first locking piece and the second locking piece are arranged in support member, and described rotating shaft is fixed with described support member and is connected; First spring and the second spring, described first spring and described second spring are separately positioned between the first locking piece and support member and between the second locking piece and support member; Wherein, when hook knob is in the locked position, described first locking piece and described second locking piece, under the effect of described first spring and described second spring, coordinate with described leading screw, so that drive described syringe pump locking device to move along a direction when screw turns; When described hook knob is rotatably moved to unlocked position by latched position, described rod-like element rotarily drives described block and rotates, and the first locking piece described in described mass support and described second locking piece overcome described first spring and the second spring force so that described first locking piece and described second locking piece disengage with described leading screw.
The problem that the structure that locking device in this syringe pump matches with leading screw has instability, the effect of the first locking piece and the second locking piece is realized the transmission of screw mandrel by it by spring and block, owing to elastic acting force is not as stable, and do not reach the rigid requirements required for transmission, cause that screw mandrel is not as stable in transmission process.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of syringe pump moving guiding mechanism, and it has the effect of stable transmission.
For achieving the above object, this utility model provides following technical scheme: a kind of syringe pump moving guiding mechanism, including screw mandrel, drive actuator, guide post and the axis of guide that described screw mandrel rotates, one end of described guide post is connected to assembly of cutting somebody's hair, the other end of described guide post is connected to a bracer, on described screw mandrel, rotatable engagement has nut, and described nut is relatively fixed with described bracer and is connected and is provided with between the two circumference limit assembly and axial limiting assembly.
By adopting technique scheme, screw mandrel is directly and nut screw connection, then it is connected with a bracer, contiguous block is connected with guide post, and then drive guide post to move, the mode of this linkage has stable gearing, and circumference limit assembly and axial limiting assembly are prevented from a bracer opposing nut motion.
It is also preferred that the left be provided with containing cavity in described bracer, described nut sleeve is located in described containing cavity.
By adopting technique scheme, it is possible to reduce the space shared by nut, and then reduce the volume of whole moving guiding mechanism.
It is also preferred that the left the described circumference limit assembly axial fin that includes being arranged on described nut periphery and with the bar-shaped trough being arranged in described containing cavity to match with described axial fin.
By adopting technique scheme, it is possible to restriction nut and the circumferential movement propping up bracer.
Preferably, described axial limiting assembly includes the stopper slot of fixing plate and the other end being arranged at described containing cavity one end, it is plugged with limited block in described stopper slot, described nut is between described fixing plate and described limited block, being provided for the perforation of described screw mandrel traverse on described fixing plate, the diameter of described perforation is less than the diameter of described nut.
By adopting technique scheme, it is possible to restriction nut and the circumferential movement propping up bracer, and can facilitate screw mandrel in a bracer and nut screw connection, and then realize transmission.
It is also preferred that the left the end of described guide post is provided with slot, the end of described guide post is inserted in described containing cavity, and described limited block and described slot grafting.
By adopting technique scheme, it is possible to realize the connection of guide post and a bracer.
It is also preferred that the left be additionally provided with the pilot hole that matches with the described axis of guide on described bracer, described pilot hole and described containing cavity are triangle arrangement.
By adopting technique scheme, it is possible to make guide post coordinate with the axis of guide and arrange in triangle, and then make transmission more stable.
It is also preferred that the left be provided with guide bearing in described pilot hole.
By adopting technique scheme so that the axis of guide runs more smooth and easy in pilot hole.
It is also preferred that the left described limited block and described stopper slot are all in I-shaped setting.
By adopting technique scheme so that the structural strength of limited block is higher, and, guide post is bigger with the contact area of stopper slot, and then makes guide post more stable with coordinating of stopper slot.
This utility model has an advantage that this utility model makes transmission more stable by the cooperation of screw mandrel, nut, guide post and the axis of guide, and the attachment structure between each parts is simple, easy disassembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the sectional view A-A of Fig. 1;
Fig. 3 is the sectional view B-B of Fig. 1;
Fig. 4 is the sectional view C-C of Fig. 1;
Fig. 5 is the axonometric drawing of embodiment;
Fig. 6 is the partial exploded view of embodiment;
Fig. 7 is the structural representation of guide post in embodiment;
Fig. 8 is the structural representation of a bracer in embodiment.
In figure: 1, drive motor; 11, gripper shoe; 2, support; 3, guide post; 31, slot; 4, cut somebody's hair assembly; 5, screw mandrel; 51, spill spin block; 6, nut; 7, bracer is propped up; 71, limited block; 72, pilot hole; 73, guide bearing; 74, containing cavity; 75, bar-shaped trough; 76, stopper slot; 77, fixing plate; 771, perforation; 8, the axis of guide.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment: a kind of syringe pump moving guiding mechanism, including support 2, the screw mandrel 5 being arranged in support 2, drive the drive motor 1 of screw mandrel 5 rotation, guide post 3 and the axis of guide 8, drive motor 1 is arranged in gripper shoe 11, guide post 3 is arranged in hollow, one end of guide post 3 is connected to assembly 4 of cutting somebody's hair, the other end of guide post 3 is connected to a bracer 7, and on screw mandrel 5, rotatable engagement has nut 6. Prop up and bracer 7 is provided with storage tank, nut 6 is arranged in storage tank, and it is respectively provided with at the two ends of storage tank, fixing plate 77 and limited block 71, nut 6 is between fixing plate 77 and limited block 71, being provided for the perforation 771 of screw mandrel 5 traverse on fixing plate 77, the diameter of perforation 771 is less than the diameter of nut 6. The periphery wall of nut 6 is provided with axial fin, the bar-shaped trough 75 matched with axial fin it is provided with in containing cavity 74, in the present embodiment, the quantity of axial fin and bar-shaped trough 75 is four, and circumference array, so make a bracer 7 more average with the stress of nut 6, and then time axial fin is interacted with bar-shaped trough 75, stress is average. At a bracer 7, the other end of fixing plate 77 is provided with stopper slot 76, limited block 71 is plugged in stopper slot 76, and it is provided with slot 31 in the end of guide post 3, the end of guide post 3 is inserted in containing cavity 74, and limited block 71 and the grafting of described slot 31, this makes it possible to realize the fixing of a bracer 7 and nut 6 and guide post 3 three. Limited block 71 therein and stopper slot 76 are all in I-shaped setting.
Prop up and bracer 7 is additionally provided with the pilot hole 72 that matches with the axis of guide 8, pilot hole 72 and containing cavity 74 are in triangle arrangement, it is provided with the axis of guide 8 in pilot hole 72 and holds 73, it is provided with two axis of guides 8 in each pilot hole 72 and holds 73, it is separately positioned on the two ends of pilot hole 72, thus the axis of guide 8 is played better supporting role. Such axis of guide 8 can hold 73 by the axis of guide 8 and be located in pilot hole 72.
Screw mandrel 5 is set in guide post 3, and the end of screw mandrel 5 is provided with spill spin block 51, so can the rotation of screw mandrel 5 be played a supporting role.
The operation principle of this syringe pump moving guiding mechanism is as follows: after drive motor 1 drives screw mandrel 5 to rotate, nut 6 realizes mobile on screw mandrel 5, owing to a bracer 7 and nut 6 are relatively fixed, and guide post 3 relative support block 7 again is fixed, so guide post 3 then can move linearly, and under the guide effect of the axis of guide 8, stable realization rectilinear movement.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a syringe pump moving guiding mechanism, including screw mandrel, drive actuator, guide post and the axis of guide that described screw mandrel rotates, one end of described guide post is connected to assembly of cutting somebody's hair, it is characterized in that: the other end of described guide post is connected to a bracer, on described screw mandrel, rotatable engagement has nut, and described nut is relatively fixed with described bracer and is connected and is provided with between the two circumference limit assembly and axial limiting assembly.
2. syringe pump moving guiding mechanism according to claim 1, it is characterised in that: being provided with containing cavity in described bracer, described nut sleeve is located in described containing cavity.
3. syringe pump moving guiding mechanism according to claim 2, it is characterised in that: axial fin that described circumference limit assembly includes being arranged on described nut periphery and with the bar-shaped trough being arranged in described containing cavity to match with described axial fin.
4. syringe pump moving guiding mechanism according to claim 2, it is characterized in that: described axial limiting assembly includes the stopper slot of fixing plate and the other end being arranged at described containing cavity one end, it is plugged with limited block in described stopper slot, described nut is between described fixing plate and described limited block, being provided for the perforation of described screw mandrel traverse on described fixing plate, the diameter of described perforation is less than the diameter of described nut.
5. syringe pump moving guiding mechanism according to claim 4, it is characterised in that: the end of described guide post is provided with slot, and the end of described guide post is inserted in described containing cavity, and described limited block and described slot grafting.
6. syringe pump moving guiding mechanism according to claim 2, it is characterised in that: being additionally provided with the pilot hole that matches with the described axis of guide on described bracer, described pilot hole and described containing cavity are triangle arrangement.
7. syringe pump moving guiding mechanism according to claim 6, it is characterised in that: it is provided with guide bearing in described pilot hole.
8. syringe pump moving guiding mechanism according to claim 5, it is characterised in that: described limited block and described stopper slot are all in I-shaped setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019505.7U CN205287122U (en) | 2016-01-09 | 2016-01-09 | Syringe pump removes guiding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620019505.7U CN205287122U (en) | 2016-01-09 | 2016-01-09 | Syringe pump removes guiding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205287122U true CN205287122U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620019505.7U Active CN205287122U (en) | 2016-01-09 | 2016-01-09 | Syringe pump removes guiding mechanism |
Country Status (1)
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|---|---|
| CN (1) | CN205287122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107616817A (en) * | 2017-09-14 | 2018-01-23 | 郑州大学第附属医院 | A kind of safety-type scale guides percutaneous liver renal fibroblast external member |
| CN107789018A (en) * | 2016-08-30 | 2018-03-13 | 重庆西山科技股份有限公司 | Medical reciprocating knife tool |
| WO2021093325A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳迈瑞科技有限公司 | Injection pump |
-
2016
- 2016-01-09 CN CN201620019505.7U patent/CN205287122U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789018A (en) * | 2016-08-30 | 2018-03-13 | 重庆西山科技股份有限公司 | Medical reciprocating knife tool |
| CN107616817A (en) * | 2017-09-14 | 2018-01-23 | 郑州大学第附属医院 | A kind of safety-type scale guides percutaneous liver renal fibroblast external member |
| WO2021093325A1 (en) * | 2019-11-15 | 2021-05-20 | 深圳迈瑞科技有限公司 | Injection pump |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |