CN203370158U - Clamping jaw device for injection pump and injection pump - Google Patents
Clamping jaw device for injection pump and injection pump Download PDFInfo
- Publication number
- CN203370158U CN203370158U CN201320406770.7U CN201320406770U CN203370158U CN 203370158 U CN203370158 U CN 203370158U CN 201320406770 U CN201320406770 U CN 201320406770U CN 203370158 U CN203370158 U CN 203370158U
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- China
- Prior art keywords
- claw
- clamping jaw
- syringe pump
- gear
- cam part
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- Expired - Lifetime
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Abstract
The utility model provides a clamping jaw device for an injection pump and the injection pump. The clamping jaw device comprises a supporting piece, a pair of clamping jaw components, a pair of clamping jaw gears and a control component, wherein the clamping jaw components are installed on the supporting piece, each clamping jaw component is provided with a clamping jaw shaft and a clamping jaw, each clamping jaw shaft is connected with one of the clamping jaws, the clamping jaw gears are connected with the clamping jaw shafts of the clamping jaw components respectively, the clamping jaw gears are meshed with each other, one of the clamping jaw gears is provided with a pressed part which is a preset distance away from the rotary center of the one of the clamping jaw gears, the control component is installed on the supporting piece through a pivot and provided with a pressing part, and the pressing part is used for pressing the pressed part of the one of the clamping jaw gears to enable the one of the clamping jaw gears to rotate. According to the clamping jaw device, the two clamping jaws are opened to clamp a pushing handle of an injector by pressing the control component. The clamping jaw device is simple in structure, and the injector can be flexibly and conveniently clamped or loosened.
Description
Technical field
This utility model relates to a kind of syringe pump and for the jaw means of syringe pump.
Background technology
In prior art, the claw of syringe pump is fixed, and presses and while unclamping control member, clasp nut is opened., can not move with clasp nut for what fix due to claw, need during mounting of syringe first injector tip is filled in to stationary jaw.
The utility model content
The purpose of this utility model is to provide a kind of jaw means for syringe pump, makes thus the easy to operate of syringe pump.
According to one side of the present utility model, this utility model provides a kind of jaw means for syringe pump, and this jaw means comprises: support member; Be arranged on a pair of jaw members on support member, this jaw members has claw axle connected to one another and claw; The a pair of claw gear be connected with the claw axle of a pair of jaw members respectively, a pair of claw gear is intermeshing, and a claw gear in a pair of claw gear has the section that is pressed apart from the center of rotation preset distance of this claw gear; And control member, this control member is by being pivotally mounted on support member, and has ，Gai press section, press section for the section that is pressed of pressing a described claw gear so that the claw gear rotates.
According to one side of the present utility model, the described jaw means for syringe pump also comprises: be arranged on the internal thread part on control member, the corresponding central angle of this internal thread part is less than 180 degree.
According to one side of the present utility model, internal thread part and press section are arranged on the same side of control member, and pivot is between internal thread part and press section.
According to one side of the present utility model, the described jaw means for syringe pump also comprises: the claw spring, this claw spring applies the active force that claw is rotated to make position.
According to one side of the present utility model, this claw spring is arranged on the claw axle of jaw members.
According to one side of the present utility model, between the wall section that this claw spring is arranged on support member and corresponding claw gear.
According to one side of the present utility model, the wall section of described support member is positioned between blade tooth and claw spring.
According to one side of the present utility model, the described jaw means for syringe pump also comprises: the first cam part, this first cam part is arranged at least one the side contrary with claw in described a pair of claw gear, and be arranged on the second cam part coordinated with the first cam part on the sidewall of support member, wherein, by the first cam part and the second cam part, the rotation of described a pair of claw gear moves axially jaw members.
According to one side of the present utility model, described the first cam part and the second cam part coaxially arrange with corresponding claw gear.
According to one side of the present utility model, the described jaw means for syringe pump also comprises: the first cam part, this first cam part is arranged at least one the side contrary with claw in described a pair of claw gear, and be arranged on the second cam part coordinated with the first cam part on the sidewall of support member, wherein by the first cam part and the second cam part, the rotation of described a pair of claw gear moves axially jaw members, wherein said claw spring is helical spring, and this helical spring is torsion spring and is Compress Spring.
According on the other hand of the present utility model, this utility model provides a kind of syringe pump, and this syringe pump comprises: above-mentioned jaw means.
According to jaw means of the present utility model, by pressing control member, open two claws, the chucking syringe pushes away handle.Jaw means of the present utility model is simple in structure, and it is flexible that chucking unclamps syringe.Due to claw along with clasp nut moves, more convenient operation during mounting of syringe.
The accompanying drawing explanation
Fig. 1 is the perspective view according to the syringe pump of embodiment of the present utility model;
Fig. 2 is the decomposition diagram according to the syringe pump of embodiment of the present utility model;
Fig. 3 is the decomposition diagram according to the inside transmission component of the syringe pump of embodiment of the present utility model;
Fig. 4 a, 4b, 4c are the perspective illustrations according to the syringe installation process of the syringe pump of embodiment of the present utility model;
Fig. 5 to 8 is the perspective illustrations according to the jaw means of the syringe pump of embodiment of the present utility model;
Fig. 9 is the perspective illustration according to the jaw members of the jaw means of the syringe pump of embodiment of the present utility model;
Figure 10 is the perspective illustration according to the claw gear of the jaw means of the syringe pump of embodiment of the present utility model;
Figure 11 is the perspective illustration according to the claw spring of the jaw means of the syringe pump of embodiment of the present utility model;
Figure 12 is the perspective illustration according to the control member of the jaw means of the syringe pump of embodiment of the present utility model; And
Figure 13 is the perspective illustration according to the right shell of the support member of the jaw means of the syringe pump of embodiment of the present utility model.
The specific embodiment
In conjunction with embodiment of the present utility model, this utility model is elaborated with reference to the accompanying drawings.
Fig. 1 to 4c shows according to syringe pump 10 of the present utility model.Syringe pump 10 comprises: front shell assemblies 11, inner transmission component 12, rear shell component 13, jaw means 15.In syringe pump 10, inner transmission component 12 comprises: waterproof lower carriage 124, section bar support 122, motor and reduction gearing 121, anti-boat support frame 125, guide post 126, leading screw 123, pressure detecting module 127, driven support plate 128.Single-chip Controlling motor action, by reduction gearing 121, be converted into the rectilinear motion of jaw means 15 along leading screw 123 by the circular motion of motor, thereby can pushing syringe rear end card handle, and medicine is pushed to human body.
As shown in Fig. 3,5 to 10, comprise support member 151 according to jaw means 15 of the present utility model, support member 151 is casing of jaw means 15, and comprises support portion 1511 and right shell 1152.Jaw means 15 also comprises a pair of jaw members 152 be arranged on support member 151, and this jaw members 152 has claw axle 1521 connected to one another and claw 1522.Jaw means 15 also comprises a pair of claw gear 153 be connected with the claw axle 1521 of a pair of jaw members 152 respectively.A pair of claw gear 153 is intermeshing, and a claw gear 153 in a pair of claw gear 153 has the section that is pressed 1531 apart from the center of rotation preset distance of this claw gear 153.Jaw means 15 also comprises control member 155, this control member 155 is installed on support member 151 by pivot 156 (referring to Fig. 3), and there is press section 1551, press section 1551 for the section that is pressed 1531 of pressing claw gear 153 so that claw gear 153 rotate.Claw gear 153 can be any suitable gear, for example sector gear or common gear.
According to embodiment more of the present utility model, jaw means 15 can also comprise the internal thread part 1552 (referring to Figure 12) be arranged on control member 155, the corresponding central angle of this internal thread part 1552 is less than 180 degree, makes thus internal thread part 1552 or separate with leading screw 123 engagements.As shown in figure 12, internal thread part 1552 and press section 1551 are arranged on the same side of control member 155, and for example downside, and pivot 156 (referring to Fig. 3) or pivot hole 1553 (referring to Figure 12) are between internal thread part 1552 and press section 1551.Thus, when pressing control member 155, internal thread part 1552 separates with leading screw 123, and makes two claw gears 153 rotate simultaneously, drives thus two claws 1522 and opens.When control member 155 resets, internal thread part 1552 and leading screw 123 engagements, and make two claw gears 153 rotate simultaneously, drive thus two claw 1522 closures.As selection, internal thread part 1552 and press section 1551 can be arranged on other any suitable positions, as long as can realize the interlock of internal thread part 1552 and press section 1551.
As selection, control member 155 can be for handling any suitable clasp nut, for example, by control member 155 is pressed, operate the folding of two half-nuts parts, the engagement that realizes jaw means 15 and leading screw 123 with separate.Thus, internal thread part 1552 can be set.
According to embodiment more of the present utility model, as shown in Fig. 3,5 to 8,11, jaw means 15 can also comprise claw spring 158, and this claw spring 158 applies the active force that claw 1522 is rotated to make position.Be claw spring 158 for making claw reset (make position).This claw spring 158 is arranged on the claw axle 1521 of jaw members 152, is enclosed within on the claw axle 1521 of jaw members 152.This claw spring 158 also can be arranged on claw gear 153, for example, on the wheel hub of claw gear 153.Claw spring 158 is helical springs.Between the wall section that this claw spring 158 is arranged on support member 1511 and corresponding claw gear 153.Claw 1522 stretches out from support member 151 (support portion 1511), and the wall section of support member 151 (support portion 1511) is positioned between claw 1522 and claw spring 158.
Obviously, can apply the active force that claw 1522 is rotated to make position with any applicable spring.In addition, control member 155 can be locked in by the locking piece such as buckle depressed position and normal position.Thus, the claw spring can be set.
According to embodiment more of the present utility model, as shown in Fig. 6 to 7,10,13, jaw means 15 can also comprise the first cam part 1532, and is arranged on the second cam part 1553 on the sidewall of support member 151 (right shell 1152), that coordinate with the first cam part 1532.This first cam part 1532 is arranged at least one the side contrary with claw 152 in a pair of claw gear 153, and by the first cam part 1532 and the second cam part 1553, the rotation of described a pair of claw gear 153 moves axially jaw members 152.The first cam part 1532 and the second cam part 1553 can coaxially arrange with corresponding claw gear 153.Helical spring 158 can doublely be done torsion spring and Compress Spring.When pressing control member 155, internal thread part 1552 separates with leading screw 123, two claw gears 153 rotate, driving thus two claws 1522 opens, simultaneously by the effect of the first cam part 1532 and the second cam part 1553, make jaw members 152 (Fig. 4 a axially forward, 4b, the left side of 4c) mobile, the integrated disc portions of syringe rear end can be positioned between the outer wall of support portion 1511 of claw 1522 and support member 151 thus, when unclamping control member 155, under the twisting force of claw spring 158, internal thread part 1552 and leading screw 123 engagements, two claw 1522 closures, two claw gears 153 rotate simultaneously, thus under the pressure-acting of claw spring 158, effect by the first cam part 1532 and the second cam part 1553, make jaw members 152 (Fig. 4 a axially backward, 4b, the right side of 4c) mobile, the integrated disc portions of syringe rear end is clipped between the outer wall of support portion 1511 of claw 1522 and support member 151 thus, and syringe rear end card spindle clamp is between two claws 1522.
As selection, the first cam part 1532 and the second cam part 1553 can be set, but the thickness that makes the integrated disc portions of syringe rear end is a bit larger tham the gap between the outer wall of support portion 1511 of claw 1522 and support member 151, and claw 1522 is arranged to have lead-in chamfered, so that claw 1522 is clipped in the integrated disc portions of emitter rear end between the outer wall of support portion 1511 of claw 1522 and support member 151.
During use, with reference to Fig. 4 a to 4c, syringe is arranged on fore shell 11, press control member 155, claw gear 153 through support member 151 inside drives claw 1522 rotations, claw 1522 is opened, axially promote support member 151, syringe is pushed away to handle 16 and be attached on support member 151, unclamp control member 155, under the effect of the claw spring 158 of support member inside, claw 1522 closes, the chucking syringe pushes away handle 16, and the stage clip (not shown) effect on clasp nut is pressed on leading screw clasp nut, with leading screw, coordinates.Start syringe pump work, realize injection.
In addition, the press section 1551 of control member 155 is pressed in the section that is pressed 1531 of claw gear 153, press the arrow direction indication, while pressing control member 155 downwards, control member 155 drives 153 rotations of claw gear, claw gear 153 is for example, with jaw members 152 (using screw) fixing, and claw gear 153 rotarily drives claw 152 Unscrews, and the claw spring 158 such as the claw torsion spring is installed on claw gear 153 or claw axle 1521.Unclamp control member 155, under the effect of the claw spring 158 such as the claw torsion spring, 153 reverse rotations of claw gear, and claw 152 reverse rotations, chucking syringe.
In addition, the second cam part 1553 on the sidewall of first cam part 1532 on the right side of claw gear 153 and the right shell 1152 of the support member 151 such as the right shell of cutting somebody's hair coordinates or contacts, for example with the spiral contact surface, contact, the second cam part 1553 on the sidewall of the right shell 1152 of support member 151 is fixed, press control member 155, when control member 155 drives 153 rotation of claw gear, under the effect of the second cam part 1553, claw gear 153 moves forward vertically, claw 1522 is screwed with claw gear 153, when being claw 1522 rotation, also move forward vertically.Unclamp control member 155, under the effect of the claw spring 158 such as the claw torsion spring, claw gear 153 drives claw 1522 reverse rotations and oppositely moves vertically, the chucking syringe.
Claims (10)
1. the jaw means for syringe pump, is characterized in that, comprising:
Support member;
Be arranged on a pair of jaw members on support member, this jaw members has claw axle connected to one another and claw;
The a pair of claw gear be connected with the claw axle of a pair of jaw members respectively, a pair of claw gear is intermeshing, and a claw gear in a pair of claw gear has the section that is pressed apart from the center of rotation preset distance of this claw gear; And
Control member, this control member is by being pivotally mounted on support member, and has ，Gai press section, press section for the section that is pressed of pressing a described claw gear so that the claw gear rotates.
2. the jaw means for syringe pump according to claim 1, is characterized in that, also comprises:
Be arranged on the internal thread part on control member, the corresponding central angle of this internal thread part is less than 180 degree.
3. the jaw means for syringe pump according to claim 2, is characterized in that,
Internal thread part and press section are arranged on the same side of control member, and pivot is between internal thread part and press section.
4. the jaw means for syringe pump according to claim 1, is characterized in that, also comprises:
The claw spring, this claw spring applies the active force that claw is rotated to make position.
5. the jaw means for syringe pump according to claim 4, is characterized in that,
This claw spring is arranged on the claw axle of jaw members.
6. the jaw means for syringe pump according to claim 5, is characterized in that,
Between the wall section that this claw spring is arranged on support member and corresponding claw gear.
7. the jaw means for syringe pump according to claim 6, is characterized in that,
The wall section of described support member is positioned between blade tooth and claw spring.
8. according to the described jaw means for syringe pump of any one in claim 1 to 7, it is characterized in that, also comprise:
The first cam part, this first cam part is arranged at least one the side contrary with claw in described a pair of claw gear, and be arranged on the second cam part coordinated with the first cam part on the sidewall of support member, wherein, by the first cam part and the second cam part, the rotation of described a pair of claw gear moves axially jaw members.
9. the jaw means for syringe pump according to claim 8, is characterized in that,
Described the first cam part and the second cam part coaxially arrange with corresponding claw gear.
10. a syringe pump, is characterized in that, comprising:
Jaw means claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406770.7U CN203370158U (en) | 2013-07-09 | 2013-07-09 | Clamping jaw device for injection pump and injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406770.7U CN203370158U (en) | 2013-07-09 | 2013-07-09 | Clamping jaw device for injection pump and injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370158U true CN203370158U (en) | 2014-01-01 |
Family
ID=49832716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320406770.7U Expired - Lifetime CN203370158U (en) | 2013-07-09 | 2013-07-09 | Clamping jaw device for injection pump and injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203370158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288793A (en) * | 2015-09-22 | 2016-02-03 | 深圳康罗技术有限公司 | Injection pump clamping and pushing device and injection pump |
| CN106860976A (en) * | 2015-12-10 | 2017-06-20 | 北京科力建元医疗科技有限公司 | Semi-automatic syringe pump |
-
2013
- 2013-07-09 CN CN201320406770.7U patent/CN203370158U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288793A (en) * | 2015-09-22 | 2016-02-03 | 深圳康罗技术有限公司 | Injection pump clamping and pushing device and injection pump |
| CN105288793B (en) * | 2015-09-22 | 2018-07-24 | 深圳市仕浦电气有限公司 | The clamping pushing meanss and syringe pump of syringe pump |
| CN106860976A (en) * | 2015-12-10 | 2017-06-20 | 北京科力建元医疗科技有限公司 | Semi-automatic syringe pump |
| CN106860976B (en) * | 2015-12-10 | 2023-09-19 | 北京科力建元医疗科技有限公司 | Semi-automatic injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
|
| CX01 | Expiry of patent term |