CN203306516U - High-sensitivity rotation-resisting material level switch - Google Patents
High-sensitivity rotation-resisting material level switch Download PDFInfo
- Publication number
- CN203306516U CN203306516U CN2013202744816U CN201320274481U CN203306516U CN 203306516 U CN203306516 U CN 203306516U CN 2013202744816 U CN2013202744816 U CN 2013202744816U CN 201320274481 U CN201320274481 U CN 201320274481U CN 203306516 U CN203306516 U CN 203306516U
- Authority
- CN
- China
- Prior art keywords
- face
- motor
- bracing frame
- housing
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims description 27
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000014571 nuts Nutrition 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 2,8-bis(diphenylphosphoryl)dibenzothiophene Chemical compound C=1C=CC=CC=1P(C=1C=C2C3=CC(=CC=C3SC2=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 244000144983 clutch Species 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Food-Manufacturing Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a high sensitive type hinders and revolves formula level switch, it has installed a motor, a clutch and an elastic element in the inside of a casing, and this motor has an axle center, and this clutch has one to go up to take over and take over once, should go up to take over and should connect and adsorb between the pipe and have a magnet, should go up to take over and be connected with the axle center of motor, and the inside of casing is worn to establish on the top of a transmission shaft and is connected with this pipe down, and this elastic element cover is established in the outside of this transmission shaft, and the bottom projection of transmission shaft is connected at the outside of casing and with a blade again, the utility model discloses when using, install on a storage storehouse, when the blade does not contact the material, the motor keeps the operation, when blade contact material and receive the resistance, the motor will stall, and then reach the function that detects the interior material storage state of storage storehouse.
Description
Technical field
The utility model is relevant for level switch, espespecially a kind of highly sensitive type blocking rotary type level switch that reduces the motor damage rate.
Background technology
Level switch is applied to the handling of goods and materials of warehouse, to monitor the storage location height that has or not or detect material in warehouse of material in warehouse, this is stored in the various materials that the interior material of warehouse can be the tool certain weight proportion, such as: feed, cereal, peanut, Fructus Hordei Germinatus, clay, silica sand, limestone, rock, wood chip, timber, metal, rubber, resin, particles, regrind materials, coal, cast material etc., level switch has been distinguished blocking rotary type level switch, tuning-fork type level switch, capacitance object bit switch etc. according to the difference of its principle of design again.
Refer to shown in Figure 15, the blocking rotary type level switch of prior art, its keystone configuration is in the inside of a housing 90, to be equiped with a motor 91 and a power-transfer clutch 92, this power-transfer clutch 92 has a faucet pipe 921 and two elastic clips 922, the sheathed outside that is fixed on the set axle center of motor 91, the top of this faucet pipe 921, this two elastic clip 922 is oppositely arranged on the outside of faucet pipe 921 bottoms, the top of one transmission shaft 93 is located in the inside of housing 90 and is plugged in the bottom of the faucet pipe 921 of power-transfer clutch 92, the both sides of two elastic clip 922 clamping transmission shafts 93 of power-transfer clutch 92, the bottom projection of this transmission shaft 93 is the outside of housing 90 and be connected with a blade 94, during use, level switch is fixedly mounted on a warehouse with housing 90, when blade 94 does not contact material, motor 91 keeps running, while when blade 94 contact materials, being subject to resistance, motor 91 will stop operating, and then reach the function that detects material storing state in warehouse.
Yet above-mentioned blocking rotary type level switch has following shortcoming when reality is used:
1. material may pull blade 94 towards the direction away from housing 90 to the resistance that blade 94 forms, and then cause the axle center of transmission shaft 93, power-transfer clutch 92 and motor 91 also to be pulled, and when the axle center of motor 91 is excessively pulled, the parts such as gear of motor 91 inside will easily be damaged.
2. the sensitivity of the power-transfer clutch 92 that forms of faucet pipe 921 and elastic clip 922 is not good, blade 94 must be subject to larger resistance just so that motor 91 stops operating, thereby be not suitable for low-gravity material, such as cotton, rice bran etc.
The utility model content
Because the shortcoming of aforementioned prior art, the purpose of this utility model is to provide a kind of highly sensitive type blocking rotary type level switch, by the arranged outside at transmission shaft, one elastic element is arranged, and is pulled and causes motor to damage with the axle center that prevents motor.
For reaching aforesaid utility model purpose, the highly sensitive type blocking rotary type level switch that the utility model is designed, it includes a housing, a driven unit, a power-transfer clutch, a transmission shaft, an elastic element and a blade, wherein: this driven unit has a motor and two automotives, this motor is provided with an axle center, and this driven unit is installed in the inside of housing; This power-transfer clutch has a upper connecting tube and a lower linking tube, this upper connecting tube and this lower linking tube are all made by permeability magnetic material, between upper connecting tube and lower linking tube, adsorb the below that has a magnet, this power-transfer clutch to be arranged on the inside of housing and be positioned at driven unit, and the sheathed outside that is fixed on the axle center of motor of upper connecting tube; The top of this transmission shaft is arranged in the inside of housing and is plugged in the lower linking tube of power-transfer clutch, and the bottom projection of transmission shaft is in the outside of housing; This elastic element is arranged on the inside of housing, and elastic element is set in the outside of transmission shaft and the two ends of elastic element are supported respectively below power-transfer clutch and between housing; This blade is connected to the bottom of transmission shaft.
Described highly sensitive type blocking rotary type level switch, wherein be concaved with a groove in the bottom face of the upper connecting tube of this power-transfer clutch, in this groove, is provided with this magnet, and the top end face projection of the lower linking tube of power-transfer clutch has a bulge loop, and this bulge loop correspondence is fastened in the groove of upper connecting tube.
Described highly sensitive type blocking rotary type level switch, wherein: the root edge place of the lateral surface of the upper connecting tube of this power-transfer clutch is formed with a upper flange, the tube wall of upper connecting tube runs through and is provided with a screw, in this screw, be combined with a set screw, this set screw compresses the axle center of motor, the upper edge of the lateral surface of the lower linking tube of power-transfer clutch is formed with a lower flange, and the top end face of this lower flange is fitted in the bottom face of the upper flange of upper connecting tube, and the two opposite sides of the tube wall of lower linking tube are run through respectively and are provided with a jack; In the top end face of this transmission shaft, be concaved with a slot, utilize a latch sequentially to run through the slot of wherein a jack, transmission shaft of lower linking tube and another jack of lower linking tube.
Described highly sensitive type blocking rotary type level switch, wherein this driven unit further has an adapter plate, one bracing frame, one presses post and a torque spring, this adapter plate is fixed on the inside of housing, this motor and this bracing frame are arranged on the end face of adapter plate, the bottom surface at adapter plate is given prominence in the axle center of motor, this presses post and is connected to the end face of motor and gives prominence to the end face at bracing frame, this two automotives interval is installed in the end face of bracing frame, and press the post position between two automotives, this torque spring is arranged on the end face of bracing frame, one end pushing and pressing of torque spring press post, make to press post and press a wherein automotive, the other end of torque spring is plugged in loading plate.
Described highly sensitive type blocking rotary type level switch, wherein: the bottom of this housing is extended with one group of adapter downwards, and the inside that this group is taken over is provided with a bearing; The group that the top of this transmission shaft is applied in housing take over and bearing in, and the outside wall surface on transmission shaft top is interval with two annular catching grooves, utilizes two C type latch closures to be located in this two catching groove and is against respectively top end face and the bottom face of bearing; The two ends difference contact of this elastic element is at the bottom face of the lower linking tube of power-transfer clutch and the top end face of bearing.
Described highly sensitive type blocking rotary type level switch, wherein this housing has a base and the top cover mutually combined, and the junction of this base and this top cover is provided with a seal ring.
Described highly sensitive type blocking rotary type level switch, wherein this elastic element is Compress Spring.
Highly sensitive type blocking rotary type level switch provided by the utility model, the advantage that can obtain and effect enhancement comprise at least:
1. when material forms resistance and pulls blade towards the direction away from housing blade, can cause the axle center of transmission shaft, power-transfer clutch and motor also to be pulled, by the elastic element contact below power-transfer clutch, can avoid the axle center of motor excessively to be pulled, and then effectively reduce the damage rate of the parts such as gear of motor inside.
2. power-transfer clutch of the present utility model is by upper connecting tube, lower linking tube and magnet form, utilization by the magnet adsorption principle, can improve the action sensitivity of material switch for the low-gravity material, when blade is not subjected to resistance, the upper connecting tube of power-transfer clutch and lower linking tube are subjected to the shaft core driving of motor and the rotation of synchronizeing, when blade contact material and the resistance that is subject to are greater than the static friction force between lower linking tube and upper connecting tube, upper connecting tube will be with respect to the lower linking tube rotational slide, make the upper connecting tube slipping and can not drive lower linking tube and transmission shaft, with this, the axle center of motor and transmission shaft namely produce the disconnection effect, with the inner member of avoiding motor, because being subjected to excessive resistance, blade causes damage.
The accompanying drawing explanation
Fig. 1 is stereo appearance figure of the present utility model.
Fig. 2 is three-dimensional exploded view of the present utility model.
Fig. 3 is side-looking generalized section of the present utility model.
Fig. 4 is driven unit of the present utility model and power-transfer clutch three-dimensional exploded view.
Fig. 5 is use view of the present utility model.
Fig. 6 to Figure 14 is dissimilar blade schematic diagram of the present utility model.
Figure 15 is the side-looking generalized section of prior art.
The drawing reference numeral explanation
10 housing 11 bases
Take over 112 distribution mouths for 111 groups
12 top cover 13 seal rings
14 bearing 15 rubber cradles
16 aluminium packing ring 17 hold-doun nuts
20 driven unit 21 adapter plates
22 bracing frame 221 loading plates
222 connecting pin 23 motors
231 axle center 24 press post
25 automotive 26 torque springs
30 power-transfer clutch 31 upper connecting tubes
311 upper flange 312 grooves
313 screw 314 set screws
32 lower linking tube 321 lower flanges
322 bulge loop 323 jacks
33 magnet 34 latches
40 transmission shaft 41 slots
42, 42A catching groove 43,43A C type ring
50 elastic element 60 blades
60A plane formula blade 60B one chip blade
60C double-disk blade 60D three-chip type blade
60E four-piece type blade 60F multi-panel blade
60G sickle type blade 60H pliability blade
80 material 90 housings
91 motor 92 power-transfer clutchs
921 faucet pipe 922 elastic clips
93 transmission shaft 94 blades
The specific embodiment
Below coordinate accompanying drawing and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model purpose is taked.
Refer to Fig. 1 to shown in Figure 3, highly sensitive type blocking rotary type level switch of the present utility model, it includes a housing 10, a driven unit 20, a power-transfer clutch 30, a transmission shaft 40, an elastic element 50 and a blade 60, wherein:
This housing 10 has a base 11 and the top cover 12 mutually combined, this base 11 is provided with a seal ring 13 with the junction of this top cover 12, the bottom of base 11 is extended with one group downwards and takes over 111, the top end that this group is taken over 111 inside is provided with a bearing 14, the outside of group adapter 111 sequentially is provided with a rubber cradle 15, an aluminium packing ring 16 and is equipped with a hold-doun nut 17, and the sidewall of another base 11 is provided with a distribution mouth 112;
Please coordinate consult shown in Figure 4, this driven unit 20 has an adapter plate 21, one bracing frame 22, one motor 23, one presses post 24, two automotives 25 and a torque spring 26, this bracing frame 22 has a loading plate 221, the both sides of this loading plate 221 are extended with respectively a connection pin 222 downwards, this bracing frame 22 is arranged on the end face of adapter plate 21, and utilize connecting pin 222 secure bond on adapter plate 21, this motor 23 is provided with an axle center 231 of downward projection, this motor 23 is arranged on the end face of adapter plate 21 and between two connecting pins 222 of bracing frame 22, the bottom surface at adapter plate 21 is given prominence in the axle center 231 of motor 23, this presses post 24 and is connected to the end face of motor 23 and gives prominence to the end face at the loading plate 221 of bracing frame 22, this two automotive 25 is double pole double throw (double pole double throw, DPDT) switch, wherein whether automotive 25 control motors 23 turn round, another automotive 25 is as the use of signal output, these two automotives, 25 intervals are installed in the end face of the loading plate 221 of bracing frame 22, and press post 24 between two automotives 25, this automotive 25 can be existing photoswitch (optical switch), micro-switch (micro switch), Hall element (Hall sensor), coil pickup (inductive sensor) etc., this torque spring 26 is arranged on the end face of the loading plate 221 of bracing frame 22, one end pushing and pressing of torque spring 26 press post 24, make to press post 24 and press a wherein automotive 25, the other end of torque spring is plugged in loading plate 221, this driven unit 20 utilizes adapter plate 21 to be installed on the inside of housing 10, the composition member of this driven unit 20 is prior art, therefore no longer encyclopaedize,
This power-transfer clutch 30 has a upper connecting tube 31 and a lower linking tube 32, this upper connecting tube 31 is all made by permeability magnetic material with this lower linking tube 32, this permeability magnetic material can include iron, cobalt or nickel, the root edge place of the lateral surface of upper connecting tube 31 is formed with an annular upper flange 311, in the bottom face of upper connecting tube 31, be concaved with a groove 312, in this groove 312, be provided with a magnet 33, the tube wall of upper connecting tube 31 runs through and is provided with a screw 313, in this screw 313, be combined with a set screw 314, the upper edge of the lateral surface of lower linking tube 32 is formed with an annular lower flange 321, the top end face projection of lower linking tube 32 has a bulge loop 322, the internal diameter of the groove 312 of the external diameter of this bulge loop 322 and upper connecting tube 31 is complementary, the two opposite sides of the tube wall of lower linking tube 32 are run through respectively and are provided with a jack 323, this lower linking tube 32 is arranged on the below of this upper connecting tube 31, and bulge loop 322 correspondences of lower linking tube 32 are fastened in the groove 312 of upper connecting tube 31, the top end face of the lower flange 321 of lower linking tube 32 is fitted in the bottom face of the upper flange 311 of upper connecting tube 31, by this magnet 33, can adsorb simultaneously upper connecting tube 31 and lower linking tube 32, upper connecting tube 31 is connected with lower linking tube 32, and produce static friction force between upper connecting tube 31 and lower linking tube 32, this power-transfer clutch 30 is arranged on the inside of housing 10 and is positioned at the below of driven unit 20, upper connecting tube 31 is set in the outside in the axle center 231 of motor 23, utilize set screw 314 to screw in the screw 313 of upper connecting tubes 31 and compress the axle center 231 of motor 23, make upper connecting tube 31 be fixed on the outside in the axle center 231 of motor 23,
Refer to Fig. 2 and shown in Figure 3, the top end face of this transmission shaft 40 is concaved with a slot 41 in radial position, the both sides of this slot 41 are open shape, the outside wall surface on transmission shaft 40 tops is interval with two annular catching grooves 42, 42A, the top of this transmission shaft 40 is applied in group adapter 111 and the bearing 14 of housing 10 and is plugged in the lower linking tube 32 of power-transfer clutch 30, two catching grooves 42 of transmission shaft 40, 42A lays respectively at top and the below of bearing 14, utilize two C type rings 43, 43A be located in two catching grooves 42, in 42A, also be against respectively top end face and the bottom face of bearing 14, the both sides of the slot 41 of transmission shaft 40 correspond respectively to two jacks 323 of the lower linking tube 32 of power-transfer clutch 30, utilize a latch 34 sequentially to run through a wherein jack 323 of lower linking tube 32, another jack 323 of the slot 41 of transmission shaft 40 and lower linking tube 32, lower linking tube 32 and transmission shaft 40 are linked, and transmission shaft 40 can with lower linking tube 32 interlocks, the bottom projection of transmission shaft 40 is in the outside of housing 10 again,
This elastic element 50 is arranged on the inside of housing 10 and is set in the outside of transmission shaft 40, the two ends of elastic element 50 respectively contact at the bottom face of the lower linking tube 32 of power-transfer clutch 30 and be arranged on the top end face that group is taken over the bearing 14 on 111, with this, making the upper connecting tube 31 of power- transfer clutch 30 and 32 of lower linking tubes be formed with a default friction force links mutually, this elastic element 50 can be the Compress Spring shown in figure, also can be for by Polyurethane (polyurethane; PU) or government rubber (nitrile butadiene rubber; NBR) hollow round tube body made of elastomeric material;
This blade 60 is connected to the bottom of transmission shaft 40, and this blade 60 can be answered different user demands and be made or be designed to different types by different materials, and this blade 60 can be by copper, corrosion-resistant steel, polypropylene (polypropylene; PP), acrylonitrile-butadiene-phenylethylene co-polymer (acrylonitrile butadiene styrene; ABS), polycarbonate (polycarbonate; PC), poly(vinylidene fluoride) (polyvinylidene floride; PVDF) etc. material is made, refer to Fig. 6 to shown in Figure 14, this blade 60 can be existing plane formula blade 60A, one chip blade 60B, double-disk blade 60C, three-chip type blade 60D, four-piece type blade 60E, multi-panel blade 60F, sickle type blade 60G, pliability blade 60H, foldable formula blade 60I etc.
Refer to Fig. 4 and shown in Figure 5, when the utility model is used in reality, utilize the group adapter 111 of housing 10 to coordinate set hold-doun nut 17 to be arranged on a warehouse 70, make housing 10 be positioned at the outside of warehouse 70, blade 60 is positioned at the inside of warehouse 70, and when blade 60 did not contact material 80, torque spring 26 pushing and pressing pressed post 24, make to press post 24 and press a wherein automotive 25, and then control motor 23 keeps turning round and is with moving blade 60 rotations; While when blade 60 contact materials 80, being subject to resistance, blade 60 just can't be driven, because the rotary power in the axle center 231 of motor 23 can't drive transmission shaft 40, the rotary power in the axle center 231 of motor 23 can cause motor 23 self with respect to bracing frame 22, to rotate, make press the elastic force of post 24 opposing torque springs 26 and press to another automotive 25 away from an automotive 25, and then control motor 23 and shut down and export a signal, with this, reach the function that detects interior material 80 storing states of warehouse 70.
Please coordinate consult shown in Figure 3, when 80 pairs of blades of material 60 form resistance and pull blade 60 towards the direction away from housing 10, can cause the axle center 231 of transmission shaft 40, power-transfer clutch 30 and motor 23 also to be pulled, by elastic element 50 contacts below power-transfer clutch 30, can avoid the axle center 231 of motor 23 excessively to be pulled, and then effectively reduce the damage rate of the parts such as gear of motor 23 inside, and elastic element 50 also can avoid power-transfer clutch 30 to be subjected to gravity and with other member contact frictions, and then guarantee that power-transfer clutch 30 maintains its sensitivity.
Power-transfer clutch 30 of the present utility model is by upper connecting tube 31 again, lower linking tube 32 and magnet 33 form, utilization by magnet 33 absorption principles, can improve the action sensitivity of material switch for the low-gravity material, when blade 60 is not subjected to resistance, the upper connecting tube 31 of power-transfer clutch 30 is driven by the axle center 231 of motor 23 and synchronizes rotation with lower linking tube 32, when blade 60 contact materials 80 and the resistance that is subject to are greater than the static friction force between lower linking tube 32 and upper connecting tube 31, upper connecting tube 31 will be with respect to lower linking tube 32 rotational slides, make upper connecting tube 31 slippings and can not drive lower linking tube 32 and transmission shaft 40, with this, axle center 231 and the transmission shaft 40 of motor 23 namely produces and disconnects effect, with the inner member of avoiding motor 23, because being subjected to excessive resistance, blade 60 causes damage.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (12)
1. a highly sensitive type blocking rotary type level switch, is characterized in that, includes a housing, a driven unit, a power-transfer clutch, a transmission shaft, an elastic element and a blade, wherein:
This driven unit has a motor and two automotives, and this motor is provided with an axle center, and this driven unit is installed in the inside of housing;
This power-transfer clutch has a upper connecting tube and a lower linking tube, this upper connecting tube and this lower linking tube are all made by permeability magnetic material, between upper connecting tube and lower linking tube, adsorb the below that has a magnet, this power-transfer clutch to be arranged on the inside of housing and be positioned at driven unit, and the sheathed outside that is fixed on the axle center of motor of upper connecting tube;
The top of this transmission shaft is arranged in the inside of housing and is plugged in the lower linking tube of power-transfer clutch, and the bottom projection of transmission shaft is in the outside of housing;
This elastic element is arranged on the inside of housing, and elastic element is set in the outside of transmission shaft and the two ends of elastic element are supported respectively below power-transfer clutch and between housing;
This blade is connected to the bottom of transmission shaft.
2. highly sensitive type blocking rotary type level switch according to claim 1, it is characterized in that, in the bottom face of the upper connecting tube of this power-transfer clutch, be concaved with a groove, in this groove, be provided with this magnet, the top end face projection of the lower linking tube of power-transfer clutch has a bulge loop, and this bulge loop correspondence is fastened in the groove of upper connecting tube.
3. highly sensitive type blocking rotary type level switch according to claim 1, is characterized in that,
The root edge place of the lateral surface of the upper connecting tube of this power-transfer clutch is formed with a upper flange, the tube wall of upper connecting tube runs through and is provided with a screw, in this screw, be combined with a set screw, this set screw compresses the axle center of motor, the upper edge of the lateral surface of the lower linking tube of power-transfer clutch is formed with a lower flange, the top end face of this lower flange is fitted in the bottom face of the upper flange of upper connecting tube, and the two opposite sides of the tube wall of lower linking tube are run through respectively and are provided with a jack;
In the top end face of this transmission shaft, be concaved with a slot, utilize a latch sequentially to run through the slot of wherein a jack, transmission shaft of lower linking tube and another jack of lower linking tube.
4. highly sensitive type blocking rotary type level switch according to claim 2, is characterized in that,
The root edge place of the lateral surface of the upper connecting tube of this power-transfer clutch is formed with a upper flange, the tube wall of upper connecting tube runs through and is provided with a screw, in this screw, be combined with a set screw, this set screw compresses the axle center of motor, the upper edge of the lateral surface of the lower linking tube of power-transfer clutch is formed with a lower flange, the top end face of this lower flange is fitted in the bottom face of the upper flange of upper connecting tube, and the two opposite sides of the tube wall of lower linking tube are run through respectively and are provided with a jack;
In the top end face of this transmission shaft, be concaved with a slot, utilize a latch sequentially to run through the slot of wherein a jack, transmission shaft of lower linking tube and another jack of lower linking tube.
5. highly sensitive type blocking rotary type level switch according to claim 1, it is characterized in that, this driven unit further has an adapter plate, one bracing frame, one presses post and a torque spring, this adapter plate is fixed on the inside of housing, this motor and this bracing frame are arranged on the end face of adapter plate, the bottom surface at adapter plate is given prominence in the axle center of motor, this presses post and is connected to the end face of motor and gives prominence to the end face at bracing frame, this two automotives interval is installed in the end face of bracing frame, and press post between two automotives, this torque spring is arranged on the end face of bracing frame, one end pushing and pressing of torque spring press post, make to press post and press a wherein automotive, the other end of torque spring is plugged in loading plate.
6. highly sensitive type blocking rotary type level switch according to claim 2, it is characterized in that, this driven unit further has an adapter plate, one bracing frame, one presses post and a torque spring, this adapter plate is fixed on the inside of housing, this motor and this bracing frame are arranged on the end face of adapter plate, the bottom surface at adapter plate is given prominence in the axle center of motor, this presses post and is connected to the end face of motor and gives prominence to the end face at bracing frame, this two automotives interval is installed in the end face of bracing frame, and press post between two automotives, this torque spring is arranged on the end face of bracing frame, one end pushing and pressing of torque spring press post, make to press post and press a wherein automotive, the other end of torque spring is plugged in loading plate.
7. highly sensitive type blocking rotary type level switch according to claim 3, it is characterized in that, this driven unit further has an adapter plate, one bracing frame, one presses post and a torque spring, this adapter plate is fixed on the inside of housing, this motor and this bracing frame are arranged on the end face of adapter plate, the bottom surface at adapter plate is given prominence in the axle center of motor, this presses post and is connected to the end face of motor and gives prominence to the end face at bracing frame, this two automotives interval is installed in the end face of bracing frame, and press post between two automotives, this torque spring is arranged on the end face of bracing frame, one end pushing and pressing of torque spring press post, make to press post and press a wherein automotive, the other end of torque spring is plugged in loading plate.
8. highly sensitive type blocking rotary type level switch according to claim 4, it is characterized in that, this driven unit further has an adapter plate, one bracing frame, one presses post and a torque spring, this adapter plate is fixed on the inside of housing, this motor and this bracing frame are arranged on the end face of adapter plate, the bottom surface at adapter plate is given prominence in the axle center of motor, this presses post and is connected to the end face of motor and gives prominence to the end face at bracing frame, this two automotives interval is installed in the end face of bracing frame, and press post between two automotives, this torque spring is arranged on the end face of bracing frame, one end pushing and pressing of torque spring press post, make to press post and press a wherein automotive, the other end of torque spring is plugged in loading plate.
9. according to the described highly sensitive type blocking rotary type level switch of any one in claim 1 to 8, it is characterized in that,
The bottom of this housing is extended with one group of adapter downwards, and the inside that this group is taken over is provided with a bearing;
The group that the top of this transmission shaft is applied in housing take over and bearing in, and the outside wall surface on transmission shaft top is interval with two annular catching grooves, utilizes two C type latch closures to be located in this two catching groove and is against respectively top end face and the bottom face of bearing;
The two ends difference contact of this elastic element is at the bottom face of the lower linking tube of power-transfer clutch and the top end face of bearing.
10. according to the described highly sensitive type blocking rotary type level switch of any one in claim 1 to 8, it is characterized in that, this housing has a base and the top cover mutually combined, and the junction of this base and this top cover is provided with a seal ring.
11. highly sensitive type blocking rotary type level switch according to claim 9 is characterized in that this housing has a base and the top cover mutually combined, the junction of this base and this top cover is provided with a seal ring.
12. highly sensitive type blocking rotary type level switch according to claim 11 is characterized in that this elastic element is Compress Spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101221031U TWM447495U (en) | 2012-10-31 | 2012-10-31 | High sensitivity rotary resistance type material level switch |
| TW101221031 | 2012-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203306516U true CN203306516U (en) | 2013-11-27 |
Family
ID=48194891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202744816U Expired - Lifetime CN203306516U (en) | 2012-10-31 | 2013-05-20 | High-sensitivity rotation-resisting material level switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203306516U (en) |
| TW (1) | TWM447495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313557A (en) * | 2017-01-17 | 2018-07-24 | 桓达科技股份有限公司 | Anti-rotation type material level switch and its driving structure |
| TWI736290B (en) * | 2020-05-28 | 2021-08-11 | 桓達科技股份有限公司 | Rotary paddle level switch driving combination with hall effect |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453946B (en) * | 2013-08-19 | 2016-06-29 | 佛山市高明毅力温控器有限公司 | Flow detector for liquid circulation lines |
-
2012
- 2012-10-31 TW TW101221031U patent/TWM447495U/en not_active IP Right Cessation
-
2013
- 2013-05-20 CN CN2013202744816U patent/CN203306516U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313557A (en) * | 2017-01-17 | 2018-07-24 | 桓达科技股份有限公司 | Anti-rotation type material level switch and its driving structure |
| CN108313557B (en) * | 2017-01-17 | 2019-04-19 | 桓达科技股份有限公司 | Anti-rotation type material level switch and its driving structure |
| TWI736290B (en) * | 2020-05-28 | 2021-08-11 | 桓達科技股份有限公司 | Rotary paddle level switch driving combination with hall effect |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM447495U (en) | 2013-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203306516U (en) | High-sensitivity rotation-resisting material level switch | |
| CN209319783U (en) | Steering engine and robot | |
| CN204640467U (en) | A kind of with the rotation platform from switching stations | |
| CN205317642U (en) | Movable coefficient of frictional resistance testing arrangement | |
| CN105372174A (en) | Movable frictional resistance coefficient testing device | |
| CN203306518U (en) | Rotation-resisting level switch | |
| CN102320451A (en) | Novel blade feeder | |
| CN201744318U (en) | Magnetic coupling stirrer of medicine processing machine | |
| CN202338641U (en) | Single-spring and double mechanical sealing device | |
| CN103700540B (en) | Current inductive switch | |
| CN205981356U (en) | Hinder material level switch soon | |
| CN204916783U (en) | Hinder rotating level switch | |
| CN204825392U (en) | Two motor dynamic devices that drive and washing machine thereof | |
| CN203799979U (en) | Opening/closing operation mechanism for breaker | |
| CN201126782Y (en) | Left-right switch of encoder | |
| CN111762466A (en) | Electric garbage can with variable-caliber and easily-stretched garbage bag | |
| CN103434168B (en) | Direct-drive servo screw press | |
| CN201345603Y (en) | Shaft coupling | |
| CN203306517U (en) | Rotation-resisting type material level switch with anti-reversing device | |
| CN202201446U (en) | Novel impeller feeding machine | |
| CN207044536U (en) | Wax injector jacking system | |
| CN202041235U (en) | Flow sensor | |
| CN207421165U (en) | Speed reducer connects switching device | |
| CN102028436B (en) | Dust collector coiling device with hydraulic damper | |
| CN113062875B (en) | Prevent to rock centrifugal fan of striking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |