CN202555252U - Switching device - Google Patents
Switching device Download PDFInfo
- Publication number
- CN202555252U CN202555252U CN2012201895890U CN201220189589U CN202555252U CN 202555252 U CN202555252 U CN 202555252U CN 2012201895890 U CN2012201895890 U CN 2012201895890U CN 201220189589 U CN201220189589 U CN 201220189589U CN 202555252 U CN202555252 U CN 202555252U
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- hole
- axle
- radially
- axle sleeve
- switches
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- Withdrawn - After Issue
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Abstract
The utility model discloses a switching device. An output shaft of a motor is in transmission connection with a spindle joint, an index plate base is fixedly connected with one end of a shaft core, an index plate is arranged on the index plate base, an optoelectronic switch can sense the reading number of the index plate, the spindle joint is fixedly connected with the shaft core, an elastic piece is sleeved on the shaft core, one end of the elastic piece leans against the shaft core, the other end of the elastic piece leans against the inner end of a shaft sleeve, eight radial circulation holes and axial circulation holes which are evenly separated from one another at 45 degrees are arranged on a shaft base, the radial circulation holes are communicated with each axial circulation holes, the shaft core is provided with a first radial switching hole and a second radial switching hole, the first radial switching hole and the second radial switching hole are distributed at 45 degrees, two ends of the first radial switching hole and the second radial switching hole are respectively connected with axial switching holes, and axial switching holes arranged at two ends of the first radial switching hole and the second radial switching hole on the shaft core can be communicated with the axial circulation holes of the eight radial circulation holes on the corresponding shaft sleeve. According to the switching device, the test precision can be improved.
Description
Technical field
The utility model relates to a kind of switching device shifter, especially relates to a kind of breadboard test and takes turns switching device shifter with reagent.
Background technology
In laboratories such as chemical industry, medical treatment and universities and colleges; All need extract and react high-purity and high-precision reagent makes an experiment through agitated reactor; Some is that several kinds of reagent need carry out in turn; Traditional reagent gets into and discharges agitated reactor and realizes that through pump the reagent that gets into agitated reactor through pump normally has been mingled with impurity, has so just influenced test accuracy.
Summary of the invention
The purpose of the utility model is to provide a kind of switching device shifter that improves test accuracy.
In order to achieve the above object, the technical scheme of the utility model is: a kind of switching device shifter comprises motor, support bar, index dial, index dial seat, axle core, axle sleeve, axle bed, optoelectronic switch, rotating shaft joint and elastic component; Motor is fixedly connected with axle sleeve through support bar, and axle bed is fixedly connected with axle sleeve, has axle sleeve hole on the axle sleeve; The other end of axle core is positioned at axle sleeve hole, and outside the end projecting shaft trepanning, the output shaft of motor and rotating shaft joint are in transmission connection; The index dial seat is fixedly connected with an end of axle core, and index dial is installed on the index dial seat optoelectronic switch and axle sleeve load; And can respond to the number of degrees of index dial; The rotating shaft joint is fixedly connected with the axle core through the index dial seat, and elastic component is sleeved on the core, and an end offsets with the axle core; The other end and axle sleeve the inner offset; Eight the radial flow through holes and the axial flow through hole that have the 45 ° of distributions in even interval on the said axle bed, and each radial flow through hole all is communicated with corresponding axial flow through hole separately have first and radially switch hole and second and radially switch the hole on the axle core; First radially switches hole and second radially switches the hole and is 45 ° of distributions; And first radially switches hole and second radially switches the two ends in hole and is respectively equipped with the axial switching hole separately that is communicated with it, and when the axle core rotates, and first radially switches hole and second and radially switch the axial switching hole separately, two ends in hole and can be communicated with eight radial flow through holes axial flow through hole separately on the corresponding axle sleeve on the axle core.
Also be set with thrust bearing on the said spool, an end and the thrust bearing of elastic component offset.
Said motor is fixedly connected with support bar through motor mounting plate.
Have accommodation hole on the said support bar, have the fine setting cover in the accommodation hole, have trimming bolt on the motor mounting plate, trimming bolt is connected with the fine setting external threading.
Said elastic component is a stage clip.
After adopting said structure, owing to have eight the radial flow through holes and the axial flow through hole of the 45 ° of distributions in even interval on the axle bed, and each radial flow through hole all is communicated with separately axial flow through hole; Axle has first on the core and radially switches hole and second and radially switch the hole; First radially switches hole and second radially switches the hole and is 45 ° of distributions, and first radially switch the two ends of radially switching the hole in hole and second and be communicated with separately axial switching hole respectively, and when the axle core rotates; First radially switches hole and second and radially switches the axial switching hole separately, two ends in hole and can be communicated with eight radial flow through holes axial flow through hole separately on the corresponding axle sleeve on the axle core; Therefore in the rotation of the utility model, cooperate air pump, can drive the conversion that air pressure carries out positive and negative air-pressure through driven by motor axle core; Be used to extract all ingredients; Enter in the agitated reactor and make an experiment, do not have impurity to get into agitated reactor, improved test accuracy.
Description of drawings
Fig. 1 is the structure cutaway view of the utility model;
Fig. 2 is the A-A cutaway view among Fig. 1;
Fig. 3 is a B-B cutaway view among Fig. 1;
Fig. 4 is the negative pressure state figure of the utility model;
Fig. 5 is the barotropic state figure of the utility model.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing does further detailed explanation to the utility model.
Referring to Fig. 1,2, shown in 3, a kind of switching device shifter comprises motor 1, support bar 2, index dial 3, index dial seat 4, axle core 5, axle sleeve 6, axle bed 7, optoelectronic switch 8, rotating shaft joint 9 and elastic component 10; Motor 1 is fixedly connected with axle sleeve 6 through support bar 2, and axle bed 7 is fixedly connected with axle sleeve 6, has axle sleeve hole 6-1 on the axle sleeve 6; The other end of axle core 5 is positioned at axle sleeve hole 6-1; And outside the end projecting shaft trepanning 6-1, the output shaft 1-1 of motor 1 and rotating shaft joint 9 are in transmission connection, and index dial seat 4 is fixedly connected with an end of axle core 5; And index dial 3 is installed on the index dial seat 4; Optoelectronic switch 8 and axle sleeve 6 loads, and can respond to the number of degrees of index dial 3, rotating shaft joint 9 is fixedly connected with a core 5 through index dial seat 4; Elastic component 10 is sleeved on the core 5; One end offsets with an axle core 5, and the other end and axle sleeve 6 the inners offset, and has eight the radial flow through hole 7-1 and the axial flow through hole 7-2 of the 45 ° of distributions in even interval on the said axle bed 7; And each radial flow through hole 7-1 all is communicated with corresponding axial flow through hole 7-2 separately; Axle has first on the core 5 and radially switches hole 5-1 and second and radially switch hole 5-2, and first radially switches hole 5-1 and second radially switches hole 5-2 and be 45 ° of distributions, and first radially switches the two ends that hole 5-1 and second radially switches hole 5-2 and be respectively equipped with the axial switching hole 5-3 separately that is communicated with it; And when axle core 5 rotated, first radially switched the two ends axial switching hole 5-3 separately that hole 5-1 and second radially switches hole 5-2 and can be communicated with eight radial flow through hole 7-1 axial flow through hole 7-2 separately on the corresponding axle sleeve 6 on the axle core 5.
Referring to shown in Figure 1, for better sealing, also be set with thrust bearing 11 on the said spool 5, an end and the thrust bearing 11 of elastic component 10 offset.
Referring to shown in Figure 1, more reasonable for structure, said motor 1 is fixedly connected with support bar 2 through motor mounting plate 13.,
Referring to shown in Figure 1; In order to adjust the concentricity of axial switching hole 5-3 axial flow through hole 7-2, and have accommodation hole 2-1 on the said support bar 2, have fine setting cover 12 in the accommodation hole 2-1; Have trimming bolt 14 on the motor mounting plate 13, trimming bolt 14 is threaded with fine setting cover 12.
Referring to shown in Figure 1, for better sealing, said elastic component 10 is a stage clip.
Referring to Fig. 1,2,3,4, shown in 5; When the utility model uses; The escape pipe 15-1 of air pump 15 is divided into two-way to be communicated with two adjacent radial flow through hole 7-1 respectively; Air inlet pipe 15-2 is divided into two-way and is communicated with two adjacent radial flow through hole 7-1 of two radial flow through hole 7-1 before respectively, and the turnover tracheae 16-1 of agitated reactor 16 is divided into two-way and one the tunnel is communicated with another Lu Yuyi radial flow through hole 7-1 connection with a radial flow through hole 7-1 respectively; When motor 1 drives index dial 3 rotations; Optoelectronic switch 8 detects index dial 3 in the time of 0, and referring to shown in Figure 4, the axial switching hole 5-3 that first of this moment axle core 5 radially switches hole 5-1 one end is communicated with the turnover tracheae 16-1 of agitated reactor 16; The road pipeline connection of the air inlet pipe 15-2 of the other end and air pump 15; Second of axle core 5 radially switches an end and the atmosphere of hole 5-2, and the other end is communicated with the escape pipe 15-1 of air pump 15, at this moment agitated reactor appearance of negative pressure condition; Current divider 17 switches to A, B, C, D, E, F, any reagent container of G, extracts reagent entering agitated reactor 16 and makes an experiment; When driven by motor index dial 3 was rotated counterclockwise 90 ° once more, referring to shown in Figure 5, the axial switching hole 5-3 that first of this moment axle core 5 radially switches hole 5-1 one end was communicated with the turnover tracheae 16-1 of agitated reactor 16; Another road pipeline connection of the escape pipe 15-1 of the other end and air pump 15, second of axle core 5 radially switches an end and the atmosphere of hole 5-2, and the other end is communicated with the air inlet pipe 15-2 of air pump 15; This moment, barotropic state appearred in agitated reactor, and air pump 15 flows into the reagent in the agitated reactor 16 in the cell therefor once more and preserves, and used to treat next time; Therefore the utility model cooperates air pump 15 through the rotation of motor 1 drive axle core 5, can drive the conversion that air pressure carries out positive and negative air-pressure; Be used to extract all ingredients; Enter in the agitated reactor 16 and make an experiment, do not have impurity to get into agitated reactor, improved test accuracy.
Claims (5)
1. switching device shifter; It is characterized in that: comprise motor (1), support bar (2), index dial (3), index dial seat (4), axle core (5), axle sleeve (6), axle bed (7), optoelectronic switch (8), rotating shaft joint (9) and elastic component (10); Motor (1) is fixedly connected with axle sleeve (6) through support bar (2); Axle bed (7) is fixedly connected with axle sleeve (6); Have axle sleeve hole (6-1) on the axle sleeve (6), the other end of axle core (5) is positioned at axle sleeve hole (6-1), and outside the end projecting shaft trepanning (6-1); The output shaft (1-1) of motor (1) is in transmission connection with rotating shaft joint (9); Index dial seat (4) is fixedly connected with an end of axle core (5), and index dial (3) is installed on the index dial seat (4) optoelectronic switch (8) and axle sleeve (6) load; And can respond to the number of degrees of index dial (3); Rotating shaft joint (9) is fixedly connected with axle core (5) through index dial seat (4), and elastic component (10) is sleeved on the core (5), and an end offsets with axle core (5); The other end and axle sleeve (6) the inner offsets; Eight the radial flow through holes (7-1) and the axial flow through hole (7-2) that have the 45 ° of distributions in even interval on the said axle bed (7), and each radial flow through hole (7-1) all is communicated with corresponding axial flow through hole (7-2) separately have first and radially switch hole (5-1) and second and radially switch hole (5-2) on the axle core (5); First radially switches hole (5-1) and second radially switches hole (5-2) and is 45 ° of distributions; And first radially switches hole (5-1) and second radially switches the two ends in hole (5-2) and is respectively equipped with the axial switching hole (5-3) separately that is communicated with it, and when an axle core (5) rotates, and an axle core (5) last first radially switches hole (5-1) and second and radially switches the axial switching hole (5-3) separately, two ends in hole (5-2) and can be communicated with last eight the radial flow through holes of corresponding axle sleeve (6) (7-1) axial flow through hole (7-2) separately.
2. switching device shifter according to claim 1 is characterized in that: also be set with thrust bearing (11) on the said spool (5), an end of elastic component (10) and thrust bearing (11) offset.
3. switching device shifter according to claim 1 is characterized in that: said motor (1) is fixedly connected with support bar (2) through motor mounting plate (13).
4. switching device shifter according to claim 3; It is characterized in that: have accommodation hole (2-1) on the said support bar (2); Has fine setting cover (12) in the accommodation hole (2-1); Have trimming bolt (14) on the motor mounting plate (13), trimming bolt (14) is threaded with fine setting cover (12).
5. switching device shifter according to claim 1 is characterized in that: said elastic component (10) is a stage clip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201895890U CN202555252U (en) | 2012-04-28 | 2012-04-28 | Switching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201895890U CN202555252U (en) | 2012-04-28 | 2012-04-28 | Switching device |
Publications (1)
Publication Number | Publication Date |
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CN202555252U true CN202555252U (en) | 2012-11-28 |
Family
ID=47204958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012201895890U Withdrawn - After Issue CN202555252U (en) | 2012-04-28 | 2012-04-28 | Switching device |
Country Status (1)
Country | Link |
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CN (1) | CN202555252U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631960A (en) * | 2012-04-28 | 2012-08-15 | 常州派斯杰医疗设备有限公司 | Switching device |
CN111229132A (en) * | 2020-02-24 | 2020-06-05 | 大连理工大学 | Improved metering and distributing device for fine powder catalyst |
-
2012
- 2012-04-28 CN CN2012201895890U patent/CN202555252U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631960A (en) * | 2012-04-28 | 2012-08-15 | 常州派斯杰医疗设备有限公司 | Switching device |
CN102631960B (en) * | 2012-04-28 | 2013-12-11 | 常州派斯杰医疗设备有限公司 | Switching device |
CN111229132A (en) * | 2020-02-24 | 2020-06-05 | 大连理工大学 | Improved metering and distributing device for fine powder catalyst |
CN111229132B (en) * | 2020-02-24 | 2021-05-11 | 大连理工大学 | Improved metering and distributing device for fine powder catalyst |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20131211 |
|
RGAV | Abandon patent right to avoid regrant |