CN209959754U - Transmission device - Google Patents
Transmission device Download PDFInfo
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- CN209959754U CN209959754U CN201920276060.4U CN201920276060U CN209959754U CN 209959754 U CN209959754 U CN 209959754U CN 201920276060 U CN201920276060 U CN 201920276060U CN 209959754 U CN209959754 U CN 209959754U
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Abstract
The utility model discloses a transmission device, which comprises a bottom plate, a partition plate and a top plate, wherein the partition plate is positioned between the bottom plate and the top plate, a first turntable and a second turntable are respectively arranged near the two end surfaces of the partition plate, and magnets are respectively fixed on the end surfaces of the first turntable and the second turntable which are close to each other; the first rotating disc is fixed at one end of the output shaft, the other end of the output shaft is arranged in the motor, and the second rotating disc is fixed at one end of the rotating shaft; the motor is fixed on the bottom plate, the bottom plate and the supporting screw rod are assembled in a screwing mode through threads, and the top of the supporting screw rod is arranged in the supporting cylinder; the supporting cylinder is fixed on the partition plate, the top plate is fixedly assembled with one end of the supporting rod, the other end of the supporting rod penetrates through the partition plate to enter the supporting cylinder, and the supporting rod and the supporting cylinder are sealed and fixed. The utility model discloses can realize the non-contact transmission, directly avoid falling sealed problem, can reduce manufacturing, maintenance cost, the life-span is longer moreover.
Description
Technical Field
The utility model relates to a VOC detection device especially relates to a transmission.
Background
At present, the VOC runner performance test is required to be carried out in the VOC test process, a runner dehumidifier is inevitably used in the process, and the VOC waste gas is subjected to efficient and rapid concentration treatment through the dehumidifying runner of the runner dehumidifier. The VOC rotary wheel performance test device disclosed in chinese patent application publication No. CN107727795A compresses VOC gas by a desiccant rotary wheel (VOC adsorption rotary wheel). Certainly, the dehumidification runner needs to rotate in the use process, which inevitably needs to adopt a motor or a motor driver to rotate, the dehumidification runner is generally directly driven by the motor at present, but the motor and the dehumidification runner need to be connected through a rotating shaft, the rotating shaft generally needs to penetrate through the dehumidifier shell and then be assembled with the dehumidification runner, and the early sealing between the dehumidifier shell and the rotating shaft is needed.
Therefore, the applicant proposes a transmission device which adopts non-contact transmission, so as to directly avoid the sealing problem between the rotating shaft and the dehumidifier shell, and also reduce the manufacturing and maintenance cost of the dehumidifier.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the utility model is to provide a transmission, it realizes the non-contact transmission through magnetic force absorption to directly avoid the sealed problem between pivot and the dehumidifier shell.
In order to achieve the purpose, the utility model provides a transmission device, which comprises a bottom plate, a partition plate and a top plate, wherein the partition plate is positioned between the bottom plate and the top plate, a first turntable and a second turntable are respectively arranged near the two end surfaces of the partition plate, and magnets are respectively fixed on the end surfaces of the first turntable and the second turntable which are close to each other;
the first rotating disc is fixed at one end of the output shaft, the other end of the output shaft is arranged in the motor, and the second rotating disc is fixed at one end of the rotating shaft; the motor is fixed on the bottom plate, the bottom plate and the supporting screw rod are assembled in a screwing mode through threads, and the top of the supporting screw rod is arranged in the supporting cylinder; the supporting cylinder is fixed on the partition plate, the top plate is fixedly assembled with one end of the supporting rod, the other end of the supporting rod penetrates through the partition plate to enter the supporting cylinder, and the supporting rod and the supporting cylinder are sealed and fixed.
Preferably, the magnets on the first rotating disk and the second rotating disk respectively correspond to each other one by one, and the magnets corresponding to each other are coaxial.
Preferably, the number of the support screws is four, and the support screws are respectively a first support screw, a second support screw, a third support screw and a fourth support screw, and the bottoms of the first support screw, the second support screw, the third support screw and the fourth support screw penetrate through the bottom plate.
Preferably, the bottom of the support rod is assembled with the top of the support screw rod through a thrust ball bearing.
Preferably, a worm wheel is further fixed on the output shaft, the worm wheel is meshed with a worm, one end of the worm is fixedly assembled with an inner ring of a first bearing, an outer ring of the first bearing is fixedly assembled with the inner side of a driving sleeve, the outer side of the driving sleeve is hinged with one end of a telescopic shaft through a second pin shaft, the other end of the telescopic shaft is installed in an electromagnet, the driving sleeve can be pushed towards the direction of the output shaft after the electromagnet is electrified, and the worm wheel is not contacted with the worm in an initial state;
the electromagnet is fixed on the top of the electromagnet supporting plate, and the bottom of the electromagnet supporting plate is fixedly assembled with the bottom plate; the other end of the worm is arranged in and fixed with an inner ring of the second bearing, an outer ring of the second bearing is fixedly assembled with the inner side of the connecting sleeve, a hinged plate is fixed on the connecting sleeve, the hinged plate is assembled with the top of the hinged support table in a hinged mode through a first pin shaft, and the bottom of the hinged support table is fixed on the bottom plate;
the top of the hinged support table is also fixedly provided with a shaft end support block, the bottom plate is also fixedly provided with a shaft end support plate, and the shaft end support block and the shaft end support plate are respectively and rotatably assembled with two ends of the transmission shaft;
a fourth belt wheel and a first helical gear are respectively fixed on the transmission shaft, the first helical gear is in mesh transmission with a second helical gear, and the second helical gear is fixed on a fourth support screw;
the fourth belt pulley is connected with the fourth secondary belt pulley through a fourth synchronous belt; the fourth secondary belt wheel is fixed at one end of the worm close to the hinge cylinder;
a first belt wheel and a third belt wheel are respectively fixed at the bottom of the first supporting screw rod; a first secondary belt wheel and a second belt wheel are fixed at the bottom of the second support screw; a second auxiliary pulley is fixed at the bottom of the third support screw; a third secondary belt wheel is fixed at the bottom of the fourth supporting screw rod;
the first belt wheel is connected with the first secondary belt wheel through a first synchronous belt; the second belt wheel is connected with the second secondary belt wheel through a second synchronous belt; the third belt wheel is connected with the third secondary belt wheel through a third synchronous belt; and the fourth belt wheel is connected with the fourth secondary belt wheel through a fourth synchronous belt.
The utility model has the advantages that: the utility model discloses can realize the non-contact transmission, directly avoid falling sealed problem, can reduce manufacturing, maintenance cost, the life-span is longer moreover.
The utility model discloses switching module's design has increased structure, cost, but from the long-term use, first carousel, second carousel interval can be adjusted to this kind of design to adjust the suction of baffle both sides magnet, in order to facilitate the use. Moreover, after the applicant uses the switch assembly for a long time, the design is actually compared with the existing method of sealing the rotating shaft and the housing, the manufacturing cost is higher, but the maintenance cost is lower, so that the cost of the switch assembly is lower than that of the existing method of sealing the rotating shaft and the housing after the long-time use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the switching assembly of the present invention.
Fig. 3 is a schematic diagram of a partial structure of the switching assembly of the present invention.
Fig. 4 is a schematic diagram of a partial structure of the switching assembly of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1-4, a transmission device includes a bottom plate 110, a partition 120, and a top plate 130, wherein the partition 120 is located between the bottom plate 110 and the top plate 130, and in practical use, the partition 120 may be a casing of a dehumidifier;
a first rotating disk 610 and a second rotating disk 620 are respectively arranged near two end faces of the partition plate 120, magnets 630 are respectively fixed on the end faces of the first rotating disk 610 and the second rotating disk 620, which are close to each other, the magnets 630 on the first rotating disk 610 and the second rotating disk 620 are respectively in one-to-one correspondence, and the magnets corresponding to each other are coaxial;
the first rotating disc 610 is fixed at one end of the output shaft 211, the other end of the output shaft 211 is arranged in the motor 210, and the motor 210 can drive the output shaft 211 to rotate circumferentially after being electrified;
the second rotating disc 620 is fixed at one end of the rotating shaft 420, and the other end of the rotating shaft 420 penetrates through the top plate 130 and then is assembled with the dehumidifying wheel, so that the dehumidifying wheel can be driven to rotate;
the motor 210 is fixed on the bottom plate 110, the bottom plate 110 and the supporting screws are assembled in a screwing manner through threads, the number of the supporting screws is four, the four supporting screws are respectively a first supporting screw 431, a second supporting screw 432, a third supporting screw 433 and a fourth supporting screw 434, the bottoms of the first supporting screw 431, the second supporting screw 432, the third supporting screw 433 and the fourth supporting screw 434 penetrate through the bottom plate 110, and the tops of the first supporting screw 431, the second supporting screw 432, the third supporting screw 433 and the fourth supporting screw 434 are respectively installed in the supporting cylinder 140; the supporting cylinder 140 is fixed on the partition plate 120, the top plate 130 is fixedly assembled with one end of the supporting rod 150, the other end of the supporting rod 150 penetrates through the partition plate 120 to enter the supporting cylinder 140, and the supporting rod 150 and the supporting cylinder 140 are sealed and fixed;
the bottom of the support rod 150 is assembled with the top of the support screw through a thrust ball bearing 160, specifically, a race of the thrust ball bearing 160 is fixedly assembled with the bottom of the support rod 150, and a shaft ring is fixedly assembled with the top of the support screw. The design can reduce the friction force between the support screw and the support rod when the support screw rotates;
the supporting screw rod, the supporting cylinder 140 and the thrust ball bearing 160 belong to a switching assembly, and the switching assembly further comprises an electromagnet and a worm wheel 511;
the output shaft 211 is further fixed with a worm wheel 511, the worm wheel 511 is meshed with the worm 410 to form a worm and worm gear transmission mechanism, one end of the worm 410 is fixedly assembled with the inner ring of the first bearing 320, the outer ring of the first bearing 320 is fixedly assembled with the inner side of the driving sleeve 310, the outer side of the driving sleeve 310 is hinged to one end of the telescopic shaft 221 through a second pin shaft 452, the other end of the telescopic shaft 221 is installed in the electromagnet 220, and the electromagnet can push the driving sleeve 310 towards the direction of the output shaft 211 after being electrified, so that the worm and the worm are meshed for transmission, and the worm are not in contact in an initial state.
The electromagnet 220 is fixed on the top of the electromagnet support plate 180, and the bottom of the electromagnet support plate 180 is fixedly assembled with the bottom plate 110;
the other end of the worm 410 is arranged in and fixed with the inner ring of the second bearing 540, the outer ring of the second bearing 540 is fixedly assembled with the inner side of the cross sleeve 530, a hinge plate 531 is fixed on the cross sleeve 530, the hinge plate 531 is assembled with the top of the hinge support platform 440 through a first pin shaft 451 in a hinged mode, and the bottom of the hinge support platform 440 is fixed on the bottom plate 110;
a shaft end supporting block 441 is further fixed at the top of the hinged supporting table 440, a shaft end supporting plate 190 is further fixed on the bottom plate 110, and the shaft end supporting block 441 and the shaft end supporting plate 190 are respectively rotatably assembled with two ends of the transmission shaft 420;
a fourth belt pulley 741 and a first bevel gear 521 are respectively fixed on the transmission shaft 420, the first bevel gear 521 is in meshing transmission with a second bevel gear 522, and the second bevel gear 522 is fixed on the fourth support screw 434;
the fourth pulley 741 is connected to the fourth secondary pulley 742 via a fourth timing belt 740, thereby constituting a belt transmission mechanism; the fourth secondary pulley 740 is fixed at one end of the worm 410 close to the hinge cylinder 530;
a first belt wheel 711 and a third belt wheel 731 are respectively fixed at the bottom of the first support screw 431; a first belt pulley 712 and a second belt pulley 721 are fixed at the bottom of the second support screw 742; a second secondary pulley 722 is fixed at the bottom of the third support screw 433; a third secondary pulley 732 is fixed at the bottom of the fourth supporting screw 434;
the first pulley 711 and the first secondary pulley 712 are connected through a first synchronous belt 710 to form a belt transmission mechanism;
the second belt wheel 721 and the second secondary belt wheel 722 are connected through a second synchronous belt 720 to form a belt transmission mechanism;
the third pulley 731 and the third secondary pulley 732 are connected by a third timing belt 730 to form a belt transmission mechanism;
the fourth pulley 741 and the fourth secondary pulley 742 are connected to each other by a fourth timing belt 740, thereby constituting a belt transmission mechanism.
The utility model discloses in the use, because the rotational speed that second carousel 620 needs is different, consequently, the requirement of the absorption magnetic force size that needs between first carousel and the second carousel is also different, if the adsorption affinity is too big, can obviously produce great resistance, the adsorption affinity is on the small side, can lead to first carousel can not drive the synchronous rotation of second carousel again. Since the magnets are fixed, if the size of the magnetic attraction force is adjusted by replacing the magnets, the applicant obviously cannot be practical, and therefore, the switching assembly is used for switching whether the worm gear is meshed or not, so that the height of the base plate is adjusted, and therefore the interval between the first rotating disc and the second rotating disc is adjusted, namely, the size of the magnetic attraction force between the first rotating disc and the second rotating disc is adjusted.
Specifically, when the adjustment is needed, the electromagnet is electrified to push the worm to the turbine through the telescopic shaft, so that the worm of the turbine is meshed for transmission, then the motor is started, the worm is driven to rotate by the output shaft, the worm is driven to rotate by the fourth synchronous belt, the transmission shaft drives the fourth supporting screw to rotate by the first helical gear, the fourth supporting screw drives the first supporting screw to rotate by the third synchronous belt, the first supporting screw drives the second supporting screw to rotate by the first synchronous belt, the second supporting screw drives the third supporting screw 433 to rotate by the second synchronous belt, so that the first supporting screw, the second supporting screw, the third supporting screw and the fourth supporting screw synchronously rotate, the bottom plate is enabled to move in the axial direction of the supporting screw, and the adjustment of the distance between the first rotary table and the second rotary table is realized. The motor adopts a stepping motor, and the accurate rotation angle can be realized.
The details of the present invention are well known to those skilled in the art.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a transmission, includes, bottom plate, baffle, roof, and the baffle is located between bottom plate and the roof, characterized by:
a first rotary disc and a second rotary disc are respectively arranged near two end faces of the partition board, and magnets are respectively fixed on the end faces of the first rotary disc and the second rotary disc which are close to each other;
the first rotating disc is fixed at one end of the output shaft, the other end of the output shaft is arranged in the motor, and the second rotating disc is fixed at one end of the rotating shaft; the motor is fixed on the bottom plate, the bottom plate and the supporting screw rod are assembled in a screwing mode through threads, and the top of the supporting screw rod is arranged in the supporting cylinder; the supporting cylinder is fixed on the partition plate, the top plate is fixedly assembled with one end of the supporting rod, the other end of the supporting rod penetrates through the partition plate to enter the supporting cylinder, and the supporting rod and the supporting cylinder are sealed and fixed.
2. The transmission of claim 1, wherein: the magnets on the first rotating disc and the second rotating disc respectively correspond to each other one by one, and the magnets corresponding to each other are coaxial.
3. The transmission of claim 1, wherein: the supporting screws are four, and are respectively a first supporting screw, a second supporting screw, a third supporting screw and a fourth supporting screw, and the bottoms of the first supporting screw, the second supporting screw, the third supporting screw and the fourth supporting screw penetrate through the bottom plate.
4. The transmission of claim 1, wherein: the bottom of the support rod is assembled with the top of the support screw rod through a thrust ball bearing.
5. The transmission of claim 3, wherein: a worm wheel is further fixed on the output shaft and meshed with the worm, one end of the worm is fixedly assembled with an inner ring of a first bearing, an outer ring of the first bearing is fixedly assembled with the inner side of the driving sleeve, the outer side of the driving sleeve is hinged with one end of a telescopic shaft through a second pin shaft, the other end of the telescopic shaft is arranged in an electromagnet, the driving sleeve can be pushed towards the direction of the output shaft after the electromagnet is electrified, and the worm wheel is not contacted with the worm in an initial state;
the electromagnet is fixed on the top of the electromagnet supporting plate, and the bottom of the electromagnet supporting plate is fixedly assembled with the bottom plate; the other end of the worm is arranged in and fixed with an inner ring of the second bearing, an outer ring of the second bearing is fixedly assembled with the inner side of the connecting sleeve, a hinged plate is fixed on the connecting sleeve, the hinged plate is assembled with the top of the hinged support table in a hinged mode through a first pin shaft, and the bottom of the hinged support table is fixed on the bottom plate;
the top of the hinged support table is also fixedly provided with a shaft end support block, the bottom plate is also fixedly provided with a shaft end support plate, and the shaft end support block and the shaft end support plate are respectively and rotatably assembled with two ends of the transmission shaft;
a fourth belt wheel and a first helical gear are respectively fixed on the transmission shaft, the first helical gear is in mesh transmission with a second helical gear, and the second helical gear is fixed on a fourth support screw;
the fourth belt pulley is connected with the fourth secondary belt pulley through a fourth synchronous belt; the fourth secondary belt wheel is fixed at one end of the worm close to the hinge cylinder;
a first belt wheel and a third belt wheel are respectively fixed at the bottom of the first supporting screw rod; a first secondary belt wheel and a second belt wheel are fixed at the bottom of the second support screw; a second auxiliary pulley is fixed at the bottom of the third support screw; a third secondary belt wheel is fixed at the bottom of the fourth supporting screw rod;
the first belt wheel is connected with the first secondary belt wheel through a first synchronous belt; the second belt wheel is connected with the second secondary belt wheel through a second synchronous belt; the third belt wheel is connected with the third secondary belt wheel through a third synchronous belt; and the fourth belt wheel is connected with the fourth secondary belt wheel through a fourth synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920276060.4U CN209959754U (en) | 2019-03-05 | 2019-03-05 | Transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920276060.4U CN209959754U (en) | 2019-03-05 | 2019-03-05 | Transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959754U true CN209959754U (en) | 2020-01-17 |
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ID=69238496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920276060.4U Active CN209959754U (en) | 2019-03-05 | 2019-03-05 | Transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959754U (en) |
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2019
- 2019-03-05 CN CN201920276060.4U patent/CN209959754U/en active Active
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