CN204613227U - A kind of mechanical rocker arm - Google Patents
A kind of mechanical rocker arm Download PDFInfo
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- CN204613227U CN204613227U CN201520189481.5U CN201520189481U CN204613227U CN 204613227 U CN204613227 U CN 204613227U CN 201520189481 U CN201520189481 U CN 201520189481U CN 204613227 U CN204613227 U CN 204613227U
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- main shaft
- cable
- retainer
- liquid pipe
- sampler
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Abstract
The utility model discloses a kind of mechanical rocker arm, comprise sampler, sampler comprises electrical equipment and fluid path element, and sampler is connected with power supply by cable, and sampler is connected with infusion pump by liquid pipe; One end of sampler is fixedly attached to main shaft top, and main shaft is a tubular shaft vertically arranged, and sampler can be rotated along with horizontally rotating of main shaft; The cable be connected with sampler and liquid pipe pass the hollow bottom extending to main shaft of main shaft from the top of main shaft, main shaft is when horizontally rotating, cable can rotate with identical attitude with liquid pipe, cable and liquid pipe main shaft when horizontally rotating and main shaft keep geo-stationary, the pipeline of cable and liquid pipe self can not twist.
Description
Technical field
The utility model relates to field of mechanical technique, especially, relates to a kind of mechanical rocker arm.
Background technology
The mechanical rocker arm of sampling and reagent adding is one of its core key part of automatical analysis instrument.Along with the raising of the detection flux of fully-automatic analyzer, the movement velocity of mechanical rocker arm and reliability are had higher requirement, usually at the top of mechanical arm, has fluid path element and electric elements.Parts beyond these two kinds of elements and robot assemblies have the connection requirement of pipeline, circuit usually.Because mechanical arm functional area is followed mechanical arm main shaft and swung, is elevated three-dimensional motion, if accessory cables, pipeline do not have appropriate measure to solve motion wear problem, usually to rupture at short notice, the problem such as irreversible bending.
Easily produce the problem of motion wearing and tearing, fracture, irreversible bending for the accessory cables of mechanical rocker arm in prior art, pipeline at the volley, not yet find effective solution at present.
Utility model content
The problem of motion wearing and tearing, fracture, irreversible bending is easily produced at the volley for the accessory cables of mechanical rocker arm in prior art, pipeline, the purpose of this utility model is to propose a kind of mechanical rocker arm, the frictional dissipation of accessory cables, pipeline and miscellaneous part can be reduced, with the motion loss of accessory cables, pipeline self, eliminate the situation of wearing and tearing, fracture, irreversible bending.
Based on above-mentioned purpose, the technical scheme that the utility model provides is as follows:
According to an aspect of the present utility model, provide a kind of mechanical rocker arm.
Comprise a kind of mechanical rocker arm according to the mechanical rocker arm that the utility model provides, it is characterized in that, comprise sampler, sampler comprises electrical equipment and fluid path element, and sampler is connected with power supply by cable, and sampler is connected with infusion pump by liquid pipe; One end of sampler is fixedly attached to main shaft top, and main shaft is a tubular shaft vertically arranged, and sampler can be rotated along with horizontally rotating of main shaft;
The cable be connected with sampler and liquid pipe pass the hollow bottom extending to main shaft of main shaft from the top of main shaft, main shaft is when horizontally rotating, cable can rotate with identical attitude with liquid pipe, cable and liquid pipe main shaft when horizontally rotating and main shaft keep geo-stationary, the pipeline of cable and liquid pipe self can not twist.
Wherein, main shaft bottom has trough, and cable can be passed by trough when main shaft bottom passes; After cable passes from the trough of main shaft bottom, the outer wall of main shaft bottom carries out concentric winding fine and close clockwise, when major axis horizontal rotates, the winding of cable can relax gradually.
Wherein, mechanical rocker arm also comprises retainer, and retainer is arranged at the concentric winding lower position of outside, main shaft bottom, cable, and the concentric winding position of cable is constrained in fixed position by retainer in vertical direction.
Wherein, the elongated end that cable is wound around with one heart is fixed on support, and support is fixed on retainer, has bearing between main shaft bottom and retainer; Mechanical rocker arm also comprises riser, and riser has vertical channel, and retainer is fixedly connected with a retainer shaft, retainer shaft is arranged in the vertical channel of retainer, retainer shaft can be free to slide in the vertical channel of retainer, during the vertical translation of main shaft, and support, cable and liquid pipe and spindle synchronous translation; When major axis horizontal rotates, support and retainer keep static.
Wherein, riser also comprises cable duct, and the cable elongated end be fixed on support to be arranged in cable duct and to be connected with power supply, and cable has a U-bend bent between the elongated end be fixed on support and the top of cable duct, during the vertical translation of main shaft, cable moves up and down in cable duct;
Liquid pipe is fixed on support from the elongated end after the trough of main shaft bottom passes, and the elongated end of liquid pipe on support is laid to mechanical rocker arm rear portion and be connected with infusion pump, major axis horizontal rotate or vertically translation time, liquid pipe only produces vertical translation.
Be socketed a belt pulley outside above-mentioned main shaft, belt pulley and main shaft are rigidly connected, and belt pulley is connected with a motor via a belt, and electric machine rotation drives pulley rotation, drives main axis further.
As can be seen from above, the technical scheme that the utility model provides is by being arranged in the technical scheme in main shaft by cable and liquid pipe cabling, cable and liquid pipe are accommodated in limited, do not occur in the space rubbed with other devices, and cable and liquid pipe self can not torsional deformations, reduce the frictional dissipation of accessory cables, pipeline and miscellaneous part, with the motion loss of accessory cables, pipeline self, eliminate the situation of wearing and tearing, fracture, irreversible bending.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional structure view of the mechanical rocker arm according to the utility model embodiment;
Fig. 2 is the main shaft end detailed structure view of the mechanical rocker arm according to the utility model embodiment.
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment carry out further clear, complete, describe in detail, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
According to an aspect of the present utility model, provide a kind of mechanical rocker arm.
As shown in Figures 1 and 2, comprise sampler 1 according to the mechanical rocker arm that the utility model provides, sampler 1 comprises electrical equipment and fluid path element, and sampler 1 is connected with power supply by cable 4, and sampler 1 is connected with infusion pump by liquid pipe 5; One end of sampler 1 is fixedly attached to main shaft 2 top, and main shaft 2 is a tubular shaft vertically arranged, and sampler 1 can be rotated along with horizontally rotating of main shaft 2;
The cable 4 be connected with sampler 1 and liquid pipe 5 pass the hollow bottom extending to main shaft 2 of main shaft 2 from the top of main shaft 2, main shaft 2 is when horizontally rotating, cable 4 can rotate with identical attitude with liquid pipe 5, cable 4 keeps geo-stationary when horizontally rotating with main shaft 2 at main shaft 2 with liquid pipe 5, and the pipeline self of cable 4 and liquid pipe 5 can not twist.
Wherein, main shaft 2 bottom has trough, and cable 4 can be passed by trough when main shaft 2 bottom passes; After cable 4 passes from the trough of main shaft 2 bottom, the outer wall of main shaft 2 bottom carries out concentric winding fine and close clockwise, and when main shaft 2 horizontally rotates, the winding of cable 4 can relax gradually.
Further, mechanical rocker arm also comprises retainer 3, and retainer 3 is arranged at the concentric winding lower position of outside, main shaft 2 bottom, cable 4, and the concentric winding position of cable 4 is constrained in fixed position by retainer 3 in vertical direction.
Further, the elongated end that cable 4 is wound around with one heart is fixed on support 8, and support 8 is fixed on retainer 3, has bearing 11 between main shaft 2 bottom and retainer 3; Mechanical rocker arm also comprises riser 13, riser 13 there is vertical channel, retainer 3 is fixedly connected with a retainer shaft 12, retainer shaft 12 is arranged in the vertical channel of retainer 3, retainer shaft 12 can be free to slide in the vertical channel of retainer 3, during the vertical translation of main shaft 2, support 8, cable 4 and liquid pipe 5 and the synchronous translation of main shaft 2; When main shaft 2 horizontally rotates, support 8 and retainer 3 keep static.
And, riser 13 also comprises cable duct 7, cable 4 elongated end be fixed on support 8 to be arranged in cable duct 7 and to be connected with power supply, cable 4 has a U-bend bent between the elongated end be fixed on support 8 and the top of cable duct 7, during the vertical translation of main shaft 2, cable 4 moves up and down in cable duct 7;
Liquid pipe 5 is fixed on support 8 from the elongated end after the trough of main shaft 2 bottom passes, and the elongated end of liquid pipe 5 on support 8 is laid to mechanical rocker arm rear portion and be connected with infusion pump, main shaft 2 horizontally rotate or vertical translation time, the vertical translation of liquid pipe 5 generation.
Be socketed a belt pulley 10 outside above-mentioned main shaft 2, belt pulley 10 and main shaft 2 are rigidly connected, and belt pulley 10 is connected with a motor 8 via a belt 9, and motor 8 rotates and drives belt pulley 10 to rotate, and drives main shaft 2 to rotate further.
In sum, by means of technique scheme of the present utility model, by cable and liquid pipe cabling being arranged in the technical scheme in main shaft, cable and liquid pipe are accommodated in limited, do not occur in the space rubbed with other devices, and cable and liquid pipe self can not torsional deformations; Use retainer the cable that main shaft is wound around to be maintained its upright position and solve the long race line problem caused of cable, and cable can not be distorted and deformation at winding position; The mode using retainer to slide in vertical channel makes retainer can keep static when main axis, avoids the distortion of cable; Above wire laying mode reduces the frictional dissipation of accessory cables, pipeline and miscellaneous part, with the motion loss of accessory cables, pipeline self, eliminates the situation of wearing and tearing, fracture, irreversible bending.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a mechanical rocker arm, it is characterized in that, comprise sampler (1), described sampler (1) comprises electrical equipment and fluid path element, described sampler (1) is connected with power supply by cable (4), and described sampler (1) is connected with infusion pump by liquid pipe (5); One end of described sampler (1) is fixedly attached to main shaft (2) top, described main shaft (2) is a tubular shaft vertically arranged, and described sampler (1) can be rotated along with horizontally rotating of described main shaft (2);
The described cable (4) be connected with described sampler (1) and described liquid pipe (5) pass the hollow bottom extending to described main shaft (2) of described main shaft (2) from the top of described main shaft (2), described main shaft (2) is when horizontally rotating, described cable (4) can rotate with identical attitude with described liquid pipe (5), described cable (4) and described liquid pipe (5) described main shaft (2) when horizontally rotating and described main shaft (2) keep geo-stationary, described cable (4) can not twist with the pipeline self of described liquid pipe (5).
2. a kind of mechanical rocker arm according to claim 1, is characterized in that, described main shaft (2) bottom has trough, and described cable (4) can be passed by described trough when described main shaft (2) bottom passes; After described cable (4) passes from the described trough of described main shaft (2) bottom, the outer wall of described main shaft (2) bottom carries out concentric winding fine and close clockwise, and when described main shaft (2) horizontally rotates, the winding of described cable (4) can relax gradually.
3. a kind of mechanical rocker arm according to claim 2, it is characterized in that, described mechanical rocker arm also comprises retainer (3), described retainer (3) is arranged at the concentric winding lower position of outside, described main shaft (2) bottom, described cable (4), and the concentric winding position of described cable (4) is constrained in fixed position by described retainer (3) in vertical direction.
4. a kind of mechanical rocker arm according to claim 3, it is characterized in that, the elongated end that described cable (4) is wound around with one heart is fixed on support (8), described support (8) is fixed on described retainer (3), has bearing (11) between described main shaft (2) bottom and described retainer (3); Described mechanical rocker arm also comprises riser (13), (13) have vertical channel to described riser, described retainer (3) is fixedly connected with a retainer shaft (12), described retainer shaft (12) is arranged in the vertical channel of described retainer (3), described retainer shaft (12) can be free to slide in the vertical channel of described retainer (3), during the vertical translation of described main shaft (2), described support (8), described cable (4) and described liquid pipe (5) and described main shaft (2) synchronous translation; When described main shaft (2) horizontally rotates, described support (8) and described retainer (3) keep static.
5. a kind of mechanical rocker arm according to claim 4, it is characterized in that, described riser (13) also comprises cable duct (7), described cable (4) elongated end be fixed on support (8) to be arranged in described cable duct (7) and to be connected with described power supply, described cable (4) has a U-bend bent between the elongated end be fixed on support (8) and the top of described cable duct (7), during the vertical translation of described main shaft (2), described cable (4) moves up and down in described cable duct (7);
Described liquid pipe (5) is fixed on described support (8) from the elongated end after the described trough of described main shaft (2) bottom passes, the elongated end of described liquid pipe (5) on described support (8) is laid to described mechanical rocker arm rear portion and is connected with infusion pump, described main shaft (2) horizontally rotate or vertical translation time, described liquid pipe (5) only produces vertical translation.
6. according to a kind of mechanical rocker arm in claim 1-5 described in any one, it is characterized in that, described main shaft (2) outside socket one belt pulley (10), described belt pulley (10) and described main shaft (2) are rigidly connected, described belt pulley (10) is connected with a motor (8) via a belt (9), described motor (8) rotates and drives described belt pulley (10) to rotate, and drives described main shaft (2) to rotate further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189481.5U CN204613227U (en) | 2015-03-31 | 2015-03-31 | A kind of mechanical rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189481.5U CN204613227U (en) | 2015-03-31 | 2015-03-31 | A kind of mechanical rocker arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613227U true CN204613227U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189481.5U Active CN204613227U (en) | 2015-03-31 | 2015-03-31 | A kind of mechanical rocker arm |
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| CN (1) | CN204613227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116159A (en) * | 2015-09-08 | 2015-12-02 | 宁波美康盛德生物科技有限公司 | Precise two-dimension linking mechanism of fully automatic biochemical analyzer |
-
2015
- 2015-03-31 CN CN201520189481.5U patent/CN204613227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116159A (en) * | 2015-09-08 | 2015-12-02 | 宁波美康盛德生物科技有限公司 | Precise two-dimension linking mechanism of fully automatic biochemical analyzer |
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