CN103423435A - Speed changing device of electric car and gear shifting assembly - Google Patents
Speed changing device of electric car and gear shifting assembly Download PDFInfo
- Publication number
- CN103423435A CN103423435A CN2012105536209A CN201210553620A CN103423435A CN 103423435 A CN103423435 A CN 103423435A CN 2012105536209 A CN2012105536209 A CN 2012105536209A CN 201210553620 A CN201210553620 A CN 201210553620A CN 103423435 A CN103423435 A CN 103423435A
- Authority
- CN
- China
- Prior art keywords
- splined shaft
- clutch component
- gear
- along
- driving gear
- 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.)
- Granted
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a speed changing device of an electric car. The speed changing device of the electric car comprises a case body, a power input member, a gear shifting assembly, a power output member and a transmission assembly. The power input member comprises an input shaft, a first driving gear and a second driving gear, wherein the input shaft is rotatably arranged in the case body through a corresponding bearing, one end of the input shaft extends out of the case body, and the first driving gear and the second driving gear are arranged on the input shaft sequentially from right to left and driven by the input shaft. The transmission assembly comprises a first transmission gear and a second transmission gear. The gear shifting assembly comprises a spline shaft, a clutch member, an electromagnet, a round pin and a spring. The working position of the clutch member of the gear shifting assembly can be changed by arranging an ejector rod, the round pin and the spring in the spinle shaft. Therefore, inside space of the speed changing device is greatly saved, volume and weight of the speed changing device can be reduced, and energy consumption when the electric car is reduced.
Description
Technical field
The present invention relates to a kind of speed changer, be specifically related to a kind of speed change gear and gearshift assembly of electro-tricycle.
Background technique
The characteristics such as that electro-tricycle has is flexible, user cost is lower, in China small towns and rural area wide market is arranged.In other transmission device of vehicle and some, often to use gearbox, and sometimes in order to obtain different speed or torque, will ask gearbox configuration multiple sets of teeth wheel, change corresponding gear train work, just can obtain corresponding output speed or torque, we are commonly referred to as gearshift this process.At present, most of electro-tricycles rely on intrinsic power and speed to travel, and do not possess gearshift function.These electro-tricycles are in the situation that road conditions are good can normally travel, but run into small towns and rural area road conditions bad or on during the bridge climbing, will seem and be short of power, motor load increases, and affects motor working life.Now also occurred that some have the electro-tricycle of gearshift function, its gearshift is that the driven gear by stirring intermediary's original paper and, two gears is combined, and during gearshift, impact noise is large, and the gearshift difficulty, easily damage gear.Also have plenty of the speed change gear of realizing gearshift by motor positive and inverse, this type of speed change gear structure is comparatively complicated, changes frequently turning to of motor and can make greatly reduce the working life of motor.Chinese patent literature CN202327062U(number of patent application 201120456386.9) a kind of " clutch of variable-speed booster of electric tricycle " disclosed, during this structure gearshift, be manually by the mechanical structure shifting-fork gear-shifting, the gearshift action is slower, and need the operator to control gearshift opportunity, technical requirements to the operator is higher, can't realize intelligent control.Chinese patent literature CN2519867Y(number of patent application 01271037.7) disclose a kind of " electric motor car power-shift gear box ", this structure is comparatively complicated, is to shift gears by the clockwise and anticlockwise realization of motor.
Summary of the invention
The first purpose of the present invention is to provide a kind of simple in structure, the assembly of shifting gears easily of shifting gears.
The second purpose of the present invention is to provide a kind of simple in structure, can improve the speed change gear of the electric motor car in motor working life.
The basic technical scheme of realizing the gearshift assembly of the present invention's the first purpose is: a kind of gearshift assembly, its structural feature is: comprise splined shaft, clutch component, electromagnet, garden pin and spring.The main axis of splined shaft is along left and right to being horizontally disposed with, and the spline of splined shaft arranges along its main axis direction, and splined shaft also is provided with internal cavity along its axis.Splined shaft also radially is provided with along it round pin groove that left and right arranges that is that runs through its axis body, and the round pin groove is positioned at the corresponding site at spline place.Clutch component is provided with internal spline.Internal spline matches with the spline of splined shaft, and clutch component is enclosed within on the shaft part that spline is set of splined shaft in the mode be slidably matched.Round pin radially is fixed on clutch component along clutch component, along splined shaft radially through its round pin groove, appropriate section is arranged in internal cavity, and can be along round pin groove left and right to moving.Spring is arranged in the internal cavity of splined shaft, in compressive state, and withstands round pin from left.Electromagnet comprises fixed core and moving iron core.Fixed core is fixedly installed on the casing of corresponding speed change gear.Moving iron core is provided with push rod.Push rod stretches into splined shaft from the left port of the through hole of splined shaft, and the head that is positioned at right side by it contacts with round pin from left, and push rod and splined shaft are along left and right to movingly.When the power supply of connecting electromagnet makes fixed core and moving iron core in attracting state, now, the push rod of moving iron core pushes up the garden pin to the right, thereby makes clutch component in the first working position.When the power supply that disconnects electromagnet, now spring pushes up the garden pin left, thereby makes clutch component in the second working position.
The basic technical scheme of above-mentioned gearshift assembly of take as basic technological scheme is: the push rod of electromagnet is provided with corresponding seal ring, makes by seal ring that push rod and splined shaft are airtight to be coordinated.
The technological scheme of above-mentioned gearshift assembly of take as basic technological scheme is: also comprise top cover.The internal cavity of splined shaft runs through the through hole about splined shaft for the axis along splined shaft.The right output port place of the through hole of splined shaft is provided with internal thread.Top cover screws on the internal thread of the right output port of the through hole of splined shaft and is fixedly installed on splined shaft.Spring is between round pin and top cover, and in compressive state.
The appropriate technical solution of above-mentioned gearshift assembly of take as basic technological scheme is: the internal cavity of splined shaft is opening blind hole left.Spring is arranged in blind hole, is positioned at the right side of round pin, and in compressive state.
The appropriate technical solution of above-mentioned gearshift assembly of take as basic technological scheme is: clutch component is the steel integral piece.Clutch component also comprises the gear teeth.Clutch component each side is provided with 1 group of clip-connecting rod group.2 groups of clip-connecting rod groups are divided into right side post group and left side post group by the difference of its residing right left position.Right side post group comprises 2 to 6 clip-connecting rods, preferably 3 to 4.Each clip-connecting rod is along the circumferentially uniformly-spaced angle setting of clutch component.Left side post group comprises 2 to 6 clip-connecting rods, preferably 3 to 4.Each clip-connecting rod is along the circumferentially uniformly-spaced angle setting of clutch component.The clutch component left and right radially is provided with pin hole to middle part along it.Pin hole stretches in the corresponding site of bottom through after the corresponding site of clutch component top from the top down.Round pin is along in the pin hole that radially is weldingly fixed on clutch component of clutch component.
The technological scheme of above-mentioned gearshift assembly of take as basic technological scheme is: also comprise output gear, the output gear transmission is engaged on splined shaft.
The technological scheme of above-mentioned gearshift assembly of take as basic technological scheme is: output gear is provided with internal spline, and the internal spline of output gear matches with the corresponding part of the spline of splined shaft.Output gear is positioned at a wherein side of the left and right sides of clutch component.
The basic technical scheme of speed change gear of realizing the electric motor car of the present invention's the second purpose is: a kind of speed change gear of electric motor car comprises casing, power input link, gearshift assembly, power output member and transmitting assemblies.The power input link comprises input shaft, the first actuation gear and the second actuation gear.Input shaft rotates and is arranged in casing by corresponding bearing, and an end of input shaft stretches out outside casing.The first actuation gear and the second actuation gear are successively set on input shaft from right to left, and are driven by input shaft.Transmitting assemblies comprises the first driving gear and the second driving gear.Its structural feature is:
The gearshift assembly comprises splined shaft, clutch component, electromagnet, garden pin and spring.The main axis of splined shaft is along left and right to being horizontally disposed with, and the spline of splined shaft arranges along its main axis direction, and splined shaft also is provided with internal cavity along its axis.Splined shaft also radially is provided with along it round pin groove that left and right arranges that is that runs through its axis body, and the round pin groove is positioned at the corresponding site at spline place.Splined shaft rotates and is arranged on casing by corresponding bearing, and its left end exposes outside casing.The first driving gear and the second driving gear are enclosed within on splined shaft from right to left successively, and lay respectively at right side and the left side of spline, and the first driving gear and the second driving gear all are rotatably assorted with splined shaft.The first driving gear is meshed with the first actuation gear.The second driving gear is meshed with the second actuation gear.Clutch component is provided with internal spline.Internal spline matches with the spline of splined shaft, and clutch component is enclosed within on the shaft part that spline is set of splined shaft in the mode be slidably matched.Clutch component also is provided with the gear teeth.Round pin radially is fixed on clutch component along clutch component, along splined shaft radially through its round pin groove, appropriate section is arranged in internal cavity, and can be along round pin groove left and right to moving.Spring is arranged in the internal cavity of splined shaft, in compressive state, and withstands round pin from left.Electromagnet comprises fixed core and moving iron core.Fixed core is fixedly installed on the casing of corresponding speed change gear.Moving iron core is provided with push rod.Push rod stretches into splined shaft from the left port of the through hole of splined shaft, and the head that is positioned at right side by it contacts with round pin from left, and push rod and splined shaft are along left and right to movingly.When the power supply of connecting electromagnet makes fixed core and moving iron core in attracting state, now, the push rod of moving iron core pushes up the garden pin to the right, thereby make clutch component in the first working position, and plug and coordinate with the first driving gear, thereby drive clutch component and splined shaft to rotate by the first driving gear.When the power supply that disconnects electromagnet, now spring pushes up the garden pin left, thereby makes clutch component plug and coordinate in the second working position and with the second driving gear, thereby drives clutch component and splined shaft to rotate by the second driving gear.Power output member is rotated and is arranged on casing by corresponding bearing.Power output member is provided with power input gear.Power input gear is meshed with clutch component.By power output member, the power of clutch component is exported.
The basic technical scheme of speed change gear of above-mentioned electric motor car of take as basic technological scheme is: the push rod of electromagnet is provided with corresponding seal ring, makes by seal ring that push rod and splined shaft are airtight to be coordinated.
The technological scheme of speed change gear of above-mentioned electric motor car of take as basic technological scheme is: the gearshift assembly also comprises top cover.The internal cavity of splined shaft runs through the through hole about splined shaft for the axis along splined shaft.The right output port place of the through hole of splined shaft is provided with internal thread.Top cover screws on the internal thread of the right output port of the through hole of splined shaft and is fixedly installed on splined shaft.Spring is between round pin and top cover, and in compressive state.
The corresponding technological scheme of speed change gear of above-mentioned electric motor car of take as basic technological scheme is: the internal cavity of the splined shaft of gearshift assembly is opening blind hole left.Spring is arranged in blind hole, is positioned at the right side of round pin, and in compressive state.
The corresponding technological scheme of speed change gear of above-mentioned electric motor car of take as basic technological scheme is: the clutch component of gearshift assembly each side is provided with 1 group of clip-connecting rod group.2 groups of clip-connecting rod groups are divided into right side post group and left side post group by the difference of its residing right left position.Right side post group comprises 2 to 6 clip-connecting rods, preferably 3 to 4.Each clip-connecting rod is along the circumferentially uniformly-spaced angle setting of clutch component.Left side post group comprises 2 to 6 clip-connecting rods, preferably 3 to 4.Each clip-connecting rod is along the circumferentially uniformly-spaced angle setting of clutch component.The clutch component left and right radially is provided with pin hole to middle part along it.Pin hole stretches in the corresponding site of bottom through after the corresponding site of clutch component top from the top down.Round pin is along in the pin hole that radially is weldingly fixed on clutch component of clutch component.
The first driving gear left side of transmitting assemblies is provided with opening buckling groove group left, and the buckling groove group comprises the buckling groove that quantity is identical with the clip-connecting rod quantity of the right side post group of clutch component.Buckling groove is along the circumferentially uniformly-spaced angle setting of the first driving gear, and the length made progress in week of the buckling groove of the clip-connecting rod buckling groove group that is the first driving gear in the length made progress in week 1/3 to 2/3.The second driving gear right side is provided with opening buckling groove group to the right, and the buckling groove group comprises the buckling groove that quantity is identical with the clip-connecting rod quantity of the left side post group of clutch component.Buckling groove is along the circumferentially uniformly-spaced angle setting of the second driving gear, and the length made progress in week of the buckling groove of the clip-connecting rod buckling groove group that is the second driving gear in the length made progress in week 1/3 to 2/3.
The corresponding technological scheme of speed change gear of above-mentioned electric motor car of take as basic technological scheme is: casing is provided with service hatch, service hatch is positioned at the front-right of the splined shaft of gearshift assembly, and the aperture of service hatch is greater than 2 to 10 millimeters of the diameters of top cover, preferably 4 to 8 millimeters.Service hatch is provided with corresponding Sealing service hatch is sealed.
The present invention has positive effect:
(1) gearshift assembly of the present invention is shifted gears by the adhesive of electromagnet, thereby can realize quickly and easily gearshift.
(2) the present invention's modular construction of shifting gears is simple, and gearshift is convenient, both can be equipped with hand switch, manually controls as required gearshift; Also can be equipped with automatic control system, when be shifted gears by the automatic control system judgement, and automatically shifted gears.
(3) the present invention's assembly of shifting gears can output power by clutch component, by output gear, output power or output power by splined shaft, and output form is various, can adapt to the needs of different speed change gears.
(4) spring of gearshift assembly of the present invention is arranged on by round pin and top cover in the internal cavity of splined shaft, and it is replaceable spring that top cover is screwed off, and maintaining is convenient.
(5) push rod on the moving iron core of gearshift assembly of the present invention is provided with corresponding seal ring, both can play the effect of supporting post-rod, has simultaneously also avoided the oil in the speed change gear to leak into outside speed change gear by round pin groove and the internal cavity of splined shaft.
(6) change of the working position of the clutch component of gearshift assembly of the present invention is that push rod, round pin and spring by being arranged in splined shaft realized, saved greatly the inner space of speed change gear, thereby can reduce the volume and weight of speed change gear, while making the electric motor car operation, energy consumption reduces.
(7) speed change gear of electric motor car of the present invention is simple in structure, and gearshift is quick.
(8) speed change gear of electric motor car of the present invention is provided with top gear and low-speed high-torque shelves, can adapt to different road conditions, has greatly extended the working life of motor.
(9) casing of the speed change gear of electric motor car of the present invention is provided with service hatch, is convenient to change the spring of gearshift assembly.
The accompanying drawing explanation
The structural representation of the speed change gear that Fig. 1 is a kind of electric motor car of the present invention;
The schematic diagram of clutch component when the first working position that Fig. 2 is the gearshift assembly in Fig. 1;
The schematic diagram of clutch component when the second working position that Fig. 3 is the gearshift assembly in Fig. 1;
The schematic diagram that Fig. 4 is the first driving gear in Fig. 1;
The left view that Fig. 5 is Fig. 4;
The schematic diagram that Fig. 6 is the second driving gear in Fig. 1;
The right elevation that Fig. 7 is Fig. 6;
The schematic diagram that Fig. 8 is clutch component;
The right elevation that Fig. 9 is Fig. 8;
The A-A cross-sectional schematic that Figure 10 is Fig. 8;
The structural representation that Figure 11 is another kind of gearshift assembly of the present invention;
The structural representation of the speed change gear that Figure 12 is another kind of electric motor car of the present invention.
Mark in above-mentioned accompanying drawing is as follows:
Casing 1, service hatch 11,
Power input link 2, input shaft 21, the first actuation gear 22, the second actuation gears 23,
Gearshift assembly 3, splined shaft 31, spline 31-1, internal cavity 31-2, round pin groove 31-3, clutch component 34, internal spline 34-1, gear teeth 34-2, clip-connecting rod group 34-3, right side post group 34-3a, clip-connecting rod 34-3a-1, clip-connecting rod 34-3b-1, left side post group 34-3b, pin hole 34-5, electromagnet 35, fixed core 35-1, moving iron core 35-2, push rod 35-2-1, garden pin 36, spring 37, top cover 38, bearing 39, right bearing 39a, left bearing 39b
Transmitting assemblies 5, the first driving gears 51, buckling groove group 51-1, buckling groove 51-1-1, the second driving gear 52, buckling groove group 52-1, buckling groove 52-1-1.
Embodiment
The description in orientation of the present invention is carried out according to the orientation shown in Fig. 1, is also the direction up and down that the direction up and down shown in Fig. 1 is description, and a side of court of Fig. 1 institute is the place ahead, and a side who deviates from Fig. 1 is rear.
(embodiment 1, the gearshift assembly)
See Fig. 2 and Fig. 3, gearshift assembly 3 of the present invention comprises splined shaft 31, clutch component 34, electromagnet 35, garden pin 36, spring 37 and top cover 38.Gearshift assembly 3 of the present invention can adopt manual control, also can coordinate automatic control system, by automatic controlling system.
See Fig. 2 and Fig. 3, the main axis of splined shaft 31 is along left and right to being horizontally disposed with, and the spline 31-1 of splined shaft 31 arranges along its main axis direction, and splined shaft 31 also is provided with internal cavity 31-2 along its axis.Internal cavity 31-2 is for running through the through hole of splined shaft 31 left and right along the axis of splined shaft 31.The right output port place of the through hole of splined shaft 31 is provided with internal thread.Splined shaft 31 also radially is provided with along it round pin groove 31-3 that left and right arranges that is that runs through its axis body, and round pin groove 31-3 is positioned at the corresponding site at spline 31-1 place.See Fig. 8 to Figure 10, clutch component 34 is the steel integral piece.Clutch component 34 is provided with internal spline 34-1 and gear teeth 34-2.Internal spline 34-1 matches with the spline 31-1 of splined shaft 31, and clutch component 34 is enclosed within on the spline 31-1 of splined shaft 31 in the mode be slidably matched.Clutch component 34 each side is provided with 1 group of clip-connecting rod group 34-3.2 groups of clip-connecting rod group 34-3 are divided into right side post group 34-3a and left side post group 34-3b by the difference of its residing right left position.Right side post group 34-3a comprises 2 to 6 clip-connecting rod 34-3a-1, preferably 3 to 4 (the present embodiment is 3).3 clip-connecting rod 34-3a-1 are along the circumferentially uniformly-spaced angle setting of clutch component 34.Left side post group 34-3b comprises 2 to 6 clip-connecting rod 34-3b-1, preferably 3 to 4 (the present embodiment is 3).3 clip-connecting rod 34-3b-1 are along the circumferentially uniformly-spaced angle setting of clutch component 34.Clutch component 34 left and right radially are provided with pin hole 34-5 to middle part along it.Pin hole 34-5 stretches in the corresponding site of bottom through after clutch component 34 top corresponding sites from the top down.Round pin 36 is fixed in the pin hole 34-5 of clutch component 34 (the present embodiment is for being welded and fixed) along the modes such as welding or screw thread that radially adopt of clutch component 34, and along splined shaft 1 radially through its round pin groove 31-1, appropriate section is arranged in internal cavity 31-2, and can be along round pin groove 31-1 left and right to moving.On the internal thread of the right output port of the through hole 31-2 that top cover 38 screws at splined shaft 31 and be fixedly installed on splined shaft 31.Spring 37 is between round pin 36 and top cover 38, and in compressive state.Electromagnet 35 comprises fixed core 35-1 and moving iron core 35-2; Fixed core 35-1 is fixedly installed on the casing 1 of corresponding speed change gear; Moving iron core 35-2 is provided with push rod 35-2-1; Push rod 35-2-1 stretches into splined shaft 31 from the left port of the through hole 31-2 of splined shaft 31, and push rod 35-2-1 is provided with corresponding seal ring (not shown in FIG.), by seal ring, push rod 35-2-1 is coordinated with splined shaft 31 is airtight.The head that push rod 35-2-1 is positioned at right side by it contacts with round pin 36 from left, and push rod 35-2-1 and splined shaft 31 endwisely slip along splined shaft 1 thereby can sell 36 drive clutch components 34 by garden along left and right to movingly.Adhesive by fixed core 35-1 and the moving iron core 35-2 of automatic controlling system electromagnet 35.When coordinating automatic control system to use, the power supply of being connected electromagnet 35 by automatic control system makes fixed core 35-1 and moving iron core 35-2 in attracting state, now, the push rod 35-2-1 of moving iron core 35-2 pushes up garden pin 36 to the right, thereby makes clutch component 34 in the first working position.When the power supply of automatic control system disconnection electromagnet 35, now spring 37Jiang garden pin 36 pushes up left, thereby makes clutch component 34 in the second working position.
(embodiment 2, the gearshift assembly)
All the other are identical with embodiment 1 for the present embodiment, and its difference is: the gearshift assembly 3 of the present embodiment does not comprise top cover 38.Internal cavity 31-2 is opening blind hole left.Spring 37 is arranged in blind hole, is positioned at the right side of round pin 36, and in compressive state.
(embodiment 3, the gearshift assembly)
See Figure 11, all the other are identical with embodiment 1 for the present embodiment, and its difference is: also comprise output gear 30, output gear 30 is provided with internal spline, and the internal spline of output gear 30 matches with the spline 31-1 of splined shaft 31.The mode that output gear 30 coordinates with transmission is enclosed within on the spline 31-1 of splined shaft 31, and output gear 30 is positioned at a wherein side (the present embodiment is right side) of the left and right sides of clutch component 34.
(embodiment 4, the gearshift assembly)
All the other are identical with embodiment 2 for the present embodiment, and its difference is: also comprise output gear 30, output gear 30 is provided with internal spline, and the internal spline of output gear 30 matches with the corresponding part of the spline 31-1 of splined shaft 31.The mode that output gear 30 coordinates with transmission is enclosed within on the spline 31-1 of splined shaft 31, and output gear 30 is positioned at a wherein side (the present embodiment is right side) of the left and right sides of clutch component 34.
(embodiment 5, the gearshift assembly)
All the other are identical with embodiment 3 for the present embodiment, and its difference is: clutch component 34 is not established gear teeth 34-2.
(embodiment 6, the gearshift assembly)
All the other are identical with embodiment 4 for the present embodiment, and its difference is: clutch component 34 is not established gear teeth 34-2.
(embodiment 7, the speed change gear of electric motor car)
See Fig. 1, a kind of speed change gear of electric motor car, comprise casing 1, power input link 2, gearshift assembly, power output member 4 and transmitting assemblies 5.Gearshift assembly wherein adopts the described gearshift assembly 3 of embodiment 1.The present invention also is furnished with corresponding automatic control system.
See Fig. 1 to Fig. 3, power input link 2 comprises input shaft 21, the first actuation gear 22 and the second actuation gear 23.Input shaft 21 rotates and is arranged in casing 1 by corresponding bearing, and an end of input shaft 21 stretches out outside casing 1.The first actuation gear 22 and the second actuation gear 23 are successively set on input shaft 21 from right to left, and are driven by input shaft 21.
See Fig. 1, the splined shaft 31 of gearshift assembly 3 rotates and is arranged on casing 1 by corresponding bearing 39.Bearing 39 has 2, and its structure shape is corresponding.2 bearings 39 are divided into right bearing 39a and left bearing 39b by the difference of its residing right left position.The right left two ends of splined shaft 31 are rotated and are arranged on casing 1 by corresponding right bearing 39a and left bearing 39b respectively, and its left end exposes outside casing 1.
See Fig. 1 to Fig. 7, transmitting assemblies 5 comprises the first driving gear 51 and the second driving gear 52.The first driving gear 51 and the second driving gear 52 are enclosed within on splined shaft 31 from right to left successively, and lay respectively at right side and the left side of spline 31-1, and the first driving gear 51 and the second driving gear 52 all are rotatably assorted with splined shaft 31.The first driving gear 51 is meshed with the first actuation gear 22; The second driving gear 52 is meshed with the second actuation gear 23.The first driving gear 51 left sides are provided with opening buckling groove group 51-1 left, and buckling groove group 51-1 comprises that buckling groove 51-1-1(the present embodiment that quantity is identical with the clip-connecting rod 34-3a-1 quantity of the right side post group 34-3a of clutch component 34 is 3).Buckling groove 51-1-1 is along the circumferentially uniformly-spaced angle setting of the first driving gear 51, and the length made progress in week of the buckling groove 51-1-1 of the clip-connecting rod 34-3a-1 buckling groove group 51-1 that is the first driving gear 51 in the length made progress in week 1/3 to 2/3.The second driving gear 52 right sides are provided with opening buckling groove group 52-1 to the right, and buckling groove group 52-1 comprises that buckling groove 52-1-1(the present embodiment that quantity is identical with the clip-connecting rod 34-3b-1 quantity of the left side post group 34-3b of clutch component 34 is 3).Buckling groove 52-1-1 is along the circumferentially uniformly-spaced angle setting of the second driving gear 52, and the length made progress in week of the buckling groove 52-1-1 of the clip-connecting rod 34-3b-1 buckling groove group 52-1 that is the second driving gear 52 in the length made progress in week 1/3 to 2/3.
When the present invention uses, in the situation that road conditions are good, the power supply of being connected the electromagnet 35 of gearshift assembly 3 by automatic control system makes fixed core 35-1 and moving iron core 35-2 in attracting state, now, the push rod 35-2-1 of moving iron core 35-2 pushes up garden pin 36 to the right, thereby each clip-connecting rod 34-3a-1 that makes the right side post group 34-3a of clutch component 34 inserts in the buckling groove 51-1-1 of buckling groove group 51-1 of corresponding the first driving gear 51 of transmitting assemblies 5, be that clutch component 34 is positioned at the right part engaging position, plug and coordinate with the first driving gear 51, be also that clutch component 34 is when the first working position, thereby drive clutch component 34 and splined shaft 31 to rotate by the first driving gear 51, it is now the high speed operation state.When running into the poor or upper bridge climbing of road conditions, disconnected the power supply of electromagnet 35 by automatic control system, now spring 37Jiang garden pin 36 pushes up left, thereby each clip-connecting rod 34-3b-1 that makes the left side post group 34-3b of clutch component 34 inserts in the buckling groove 52-1-1 of buckling groove group 52-1 of corresponding the second driving gear 52 of transmitting assemblies 5, be that clutch component 34 is positioned at the left part engaging position, plug and coordinate with the second driving gear 52, be also that clutch component 34 is when the second working position, thereby drive clutch component 34 and splined shaft 31 to rotate by the second driving gear 33, be now low speed, large torque working state.
(embodiment 8, the speed change gear of electric motor car)
See Figure 12, the present embodiment is identical with embodiment 7, its difference is: casing 1 is provided with service hatch 11, service hatch 11 is positioned at the front-right of the splined shaft 31 of gearshift assembly 3, and the aperture of service hatch 11 is greater than 2 to 10 millimeters of the diameters of top cover 38, preferably 4 to 8 millimeters (the present embodiment is 6 millimeters).Service hatch 11 is provided with corresponding Sealing by service hatch 11 sealings.
(embodiment 9, the speed change gear of electric motor car)
The present embodiment is identical with embodiment 7, and its difference is: the gearshift assembly adopts the described gearshift assembly 3 of embodiment 2.
(embodiment 10, the speed change gear of electric motor car)
The present embodiment is identical with embodiment 7, and its difference is: the gearshift assembly adopts the described gearshift assembly 3 of embodiment 3.The second driving gear 52 of transmitting assemblies 5 is between the clutch component 34 and output gear 30 of gearshift assembly 3.The power input gear 41 of power output member 4 is meshed with output gear 30.By will the shift gears power output of assembly 3 of power output member 4.
(embodiment 11, the speed change gear of electric motor car)
The present embodiment is identical with embodiment 8, and its difference is: the gearshift assembly adopts the described gearshift assembly 3 of embodiment 3.The second driving gear 52 of transmitting assemblies 5 is between the clutch component 34 and output gear 30 of gearshift assembly 3.The power input gear 41 of power output member 4 is meshed with output gear 30.By will the shift gears power output of assembly 3 of power output member 4.
(embodiment 12, the speed change gear of electric motor car)
The present embodiment is identical with embodiment 7, and its difference is: the gearshift assembly adopts the described gearshift assembly 3 of embodiment 4.The second driving gear 52 of transmitting assemblies 5 is between the clutch component 34 and output gear 30 of gearshift assembly 3.The power input gear 41 of power output member 4 is meshed with output gear 30.By will the shift gears power output of assembly 3 of power output member 4.
Above all embodiments are used for illustrative purposes only; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and variation; in concrete application process, can also transform accordingly according to the inspiration of above-described embodiment, within therefore all technological schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (10)
1. a gearshift assembly, is characterized in that: comprise splined shaft (31), clutch component (34), electromagnet (35), garden pin (36) and spring (37); The main axis of splined shaft (31) is along left and right to being horizontally disposed with, and the spline (31-1) of splined shaft (31) arranges along its main axis direction, and splined shaft (31) also is provided with internal cavity (31-2) along its axis; Splined shaft (31) also radially is provided with along it round pin groove (31-3) that left and right arranges that is that runs through its axis body, and round pin groove (31-3) is positioned at the corresponding site at spline (31-1) place; Clutch component (34) is provided with internal spline (34-1); Internal spline (34-1) matches with the spline (31-1) of splined shaft (31), and clutch component (34) is enclosed within on the shaft part that spline (31-1) is set of splined shaft (31) in the mode be slidably matched; Round pin (36) along clutch component (34) radially to be fixed on clutch component (34) upper, along splined shaft (1) radially through its round pin groove (31-1), appropriate section is arranged in internal cavity (31-2), and can be along round pin groove (31-1) left and right to motion; Spring (37) is arranged in the internal cavity (31-2) of splined shaft (31), in compressive state, and withstands round pin (36) from left; Electromagnet (35) comprises fixed core (35-1) and moving iron core (35-2); Fixed core (35-1) is fixedly installed on the casing of corresponding speed change gear; Moving iron core (35-2) is provided with push rod (35-2-1); Push rod (35-2-1) stretches into splined shaft (31) from the left port of the through hole (31-2) of splined shaft (31), and the head that is positioned at right side by it contacts with round pin (36) from left, and push rod (35-2-1) and splined shaft (31) are along left and right to movingly; When the power supply of connecting electromagnet (35) makes fixed core (35-1) and moving iron core (35-2) in attracting state, now, the push rod (35-2-1) of moving iron core (35-2) pushes up garden pin (36) to the right, thereby makes clutch component (34) in the first working position; When the power supply that disconnects electromagnet (35), now spring (37) pushes up garden pin (36) left, thereby makes clutch component (34) in the second working position.
2. a kind of gearshift assembly according to claim 1, is characterized in that: also comprise top cover (38); The push rod (35-2-1) of electromagnet (35) is provided with corresponding seal ring, by seal ring, makes push rod (35-2-1) and airtight cooperation of splined shaft (31);
The internal cavity (31-2) of splined shaft (31) runs through the through hole about splined shaft (31) for the axis along splined shaft (31); The right output port place of the through hole of splined shaft (31) is provided with internal thread; Top cover (38) screws on the internal thread of the right output port of the through hole (31-2) of splined shaft (31) and is fixedly installed on splined shaft (31); Spring (37) is positioned between round pin (36) and top cover (38), and in compressive state.
3. a kind of gearshift assembly according to claim 1, it is characterized in that: the push rod (35-2-1) of electromagnet (35) is provided with corresponding seal ring, by seal ring, makes push rod (35-2-1) and airtight cooperation of splined shaft (31); The internal cavity (31-2) of splined shaft (31) is opening blind hole left; Spring (37) is arranged in blind hole, is positioned at the right side of round pin (36), and in compressive state.
4. according to the described a kind of gearshift assembly of claim 2 or 3, it is characterized in that: clutch component (34) is the steel integral piece; Clutch component (34) also comprises the gear teeth (34-2); Clutch component (34) each side is provided with 1 group of clip-connecting rod group (34-3); 2 groups of clip-connecting rod groups (34-3) are divided into right side post group (34-3a) and left side post group (34-3b) by the difference of its residing right left position; Right side post group (34-3a) comprises 2 to 6 clip-connecting rods (34-3a-1); Each clip-connecting rod (34-3a-1) is along the circumferentially uniformly-spaced angle setting of clutch component (34); Left side post group (34-3b) comprises 2 to 6 clip-connecting rods (34-3b-1); Each clip-connecting rod (34-3b-1) is along the circumferentially uniformly-spaced angle setting of clutch component (34); Clutch component (34) left and right radially is provided with pin hole (34-5) to middle part along it; Pin hole (34-5) stretches in the corresponding site of bottom through after the corresponding site of clutch component (34) top from the top down; Round pin (36) is along in the pin hole that radially is weldingly fixed on clutch component (34) (34-5) of clutch component (34).
5. a kind of gearshift assembly according to claim 4, it is characterized in that: also comprise output gear (30), output gear (30) transmission is engaged on splined shaft (31).
6. a kind of gearshift assembly according to claim 5, it is characterized in that: output gear (30) is provided with internal spline, and the internal spline of output gear (30) matches with the corresponding part of the spline (31-1) of splined shaft (31); Output gear (30) is positioned at a wherein side of the left and right sides of clutch component (34).
7. the speed change gear of an electric motor car, comprise casing (1), power input link (2), gearshift assembly (3), power output member (4) and transmitting assemblies (5);
Power input link (2) comprises input shaft (21), the first actuation gear (22) and the second actuation gear (23); Input shaft (21) rotates and is arranged in casing (1) by corresponding bearing, and an end of input shaft (21) stretches out outside casing (1); It is upper that the first actuation gear (22) and the second actuation gear (23) are successively set on input shaft (21) from right to left, and driven by input shaft (21); Transmitting assemblies (5) comprises the first driving gear (51) and the second driving gear (52); It is characterized in that:
Gearshift assembly (3) comprises splined shaft (31), clutch component (34), electromagnet (35), garden pin (36) and spring (37); The main axis of splined shaft (31) is along left and right to being horizontally disposed with, and the spline (31-1) of splined shaft (31) arranges along its main axis direction, and splined shaft (31) also is provided with internal cavity (31-2) along its axis; Splined shaft (31) also radially is provided with along it round pin groove (31-3) that left and right arranges that is that runs through its axis body, and round pin groove (31-3) is positioned at the corresponding site at spline (31-1) place; Splined shaft (31) rotates and is arranged on casing (1) above by corresponding bearing (39), and its left end exposes outside casing (1); The first driving gear (51) and the second driving gear (52) are enclosed within on splined shaft (31) from right to left successively, and lay respectively at right side and the left side of spline (31-1), and the first driving gear (51) and the second driving gear (52) all are rotatably assorted with splined shaft (31); The first driving gear (51) is meshed with the first actuation gear (22); The second driving gear (52) is meshed with the second actuation gear (23); Clutch component (34) is provided with internal spline (34-1); Internal spline (34-1) matches with the spline (31-1) of splined shaft (31), and clutch component (34) is enclosed within on the shaft part that spline (31-1) is set of splined shaft (31) in the mode be slidably matched; Clutch component (34) also is provided with the gear teeth (34-2); Round pin (36) along clutch component (34) radially to be fixed on clutch component (34) upper, along splined shaft (1) radially through its round pin groove (31-1), appropriate section is arranged in internal cavity (31-2), and can be along round pin groove (31-1) left and right to motion; Spring (37) is arranged in the internal cavity (31-2) of splined shaft (31), in compressive state, and withstands round pin (36) from left; Electromagnet (35) comprises fixed core (35-1) and moving iron core (35-2); Fixed core (35-1) is fixedly installed on the casing of corresponding speed change gear; Moving iron core (35-2) is provided with push rod (35-2-1); Push rod (35-2-1) stretches into splined shaft (31) from the left port of the through hole (31-2) of splined shaft (31), and the head that is positioned at right side by it contacts with round pin (36) from left, and push rod (35-2-1) and splined shaft (31) are along left and right to movingly; When the power supply of connecting electromagnet (35) makes fixed core (35-1) and moving iron core (35-2) in attracting state, now, the push rod (35-2-1) of moving iron core (35-2) pushes up garden pin (36) to the right, thereby make clutch component (34) in the first working position, and plug and coordinate with the first driving gear (32), thereby drive clutch component (34) and splined shaft (31) to rotate by the first driving gear (32);
When the power supply that disconnects electromagnet (35), now spring (37) pushes up garden pin (36) left, thereby make clutch component (34) plug and coordinate in the second working position and with the second driving gear (33), thereby drive clutch component (34) and splined shaft (31) to rotate by the second driving gear (33); Power output member (4) is rotated and is arranged on casing (1) by corresponding bearing; Power output member (4) is provided with power input gear (41); Power input gear (41) is meshed with clutch component (34); By power output member (4), the power of clutch component (34) is exported.
8. the speed change gear of electric motor car according to claim 7, it is characterized in that: the push rod (35-2-1) of electromagnet (35) is provided with corresponding seal ring, by seal ring, makes push rod (35-2-1) and airtight cooperation of splined shaft (31); Gearshift assembly (3) also comprises top cover (38); The internal cavity (31-2) of splined shaft (31) runs through the through hole about splined shaft (31) for the axis along splined shaft (31); The right output port place of the through hole of splined shaft (31) is provided with internal thread; Top cover (38) screws on the internal thread of the right output port of the through hole (31-2) of splined shaft (31) and is fixedly installed on splined shaft (31); Spring (37) is positioned between round pin (36) and top cover (38), and in compressive state.
9. the speed change gear of electric motor car according to claim 7, it is characterized in that: the push rod (35-2-1) of electromagnet (35) is provided with corresponding seal ring, by seal ring, makes push rod (35-2-1) and airtight cooperation of splined shaft (31); The internal cavity (31-2) of the splined shaft (31) of gearshift assembly (3) is opening blind hole left; Spring (37) is arranged in blind hole, is positioned at the right side of round pin (36), and in compressive state.
10. the speed change gear of electric motor car according to claim 8 or claim 9, it is characterized in that: the clutch component (34) of gearshift assembly (3) each side is provided with 1 group of clip-connecting rod group (34-3); 2 groups of clip-connecting rod groups (34-3) are divided into right side post group (34-3a) and left side post group (34-3b) by the difference of its residing right left position; Right side post group (34-3a) comprises 2 to 6 clip-connecting rods (34-3a-1); Each clip-connecting rod (34-3a-1) is along the circumferentially uniformly-spaced angle setting of clutch component (34); Left side post group (34-3b) comprises 2 to 6 clip-connecting rods (34-3b-1); Each clip-connecting rod (34-3b-1) is along the circumferentially uniformly-spaced angle setting of clutch component (34); Clutch component (34) left and right radially is provided with pin hole (34-5) to middle part along it; Pin hole (34-5) stretches in the corresponding site of bottom through after the corresponding site of clutch component (34) top from the top down; Round pin (36) is along in the pin hole that radially is weldingly fixed on clutch component (34) (34-5) of clutch component (34);
The first driving gear (51) left side of transmitting assemblies (5) is provided with opening buckling groove group (51-1) left, and buckling groove group (51-1) comprises the buckling groove (51-1-1) that quantity is identical with clip-connecting rod (34-3a-1) quantity of the right side post group (34-3a) of clutch component (34); Buckling groove (51-1-1) is along the circumferentially uniformly-spaced angle setting of the first driving gear (51), and the length made progress in week of the buckling groove (51-1-1) of clip-connecting rod (34-3a-1) the buckling groove group (51-1) that is the first driving gear (51) in the length made progress in week 1/3 to 2/3; The second driving gear (52) right side is provided with opening buckling groove group (52-1) to the right, and buckling groove group (52-1) comprises the buckling groove (52-1-1) that quantity is identical with clip-connecting rod (34-3b-1) quantity of the left side post group (34-3b) of clutch component (34); Buckling groove (52-1-1) is along the circumferentially uniformly-spaced angle setting of the second driving gear (52), and the length made progress in week of the buckling groove (52-1-1) of clip-connecting rod (34-3b-1) the buckling groove group (52-1) that is the second driving gear (52) in the length made progress in week 1/3 to 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553620.9A CN103423435B (en) | 2012-12-19 | 2012-12-19 | The speed change gear of electric motor car and gearshift assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553620.9A CN103423435B (en) | 2012-12-19 | 2012-12-19 | The speed change gear of electric motor car and gearshift assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423435A true CN103423435A (en) | 2013-12-04 |
| CN103423435B CN103423435B (en) | 2015-09-02 |
Family
ID=49648613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210553620.9A Expired - Fee Related CN103423435B (en) | 2012-12-19 | 2012-12-19 | The speed change gear of electric motor car and gearshift assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103423435B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930131A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Intermediate shaft system of automatic gear shifting speed reducer for electric vehicle |
| CN104989814A (en) * | 2015-07-17 | 2015-10-21 | 李明阳 | Boosting type electromagnetically-controlled gearbox with automatic gear shifting function |
| CN105422757A (en) * | 2015-11-23 | 2016-03-23 | 大丰格雷特科技有限公司 | Automatic gear-shifting actuator of electric vehicle |
| CN108127413A (en) * | 2017-12-20 | 2018-06-08 | 通裕重工股份有限公司 | Circular weld joint retaining wall on slope and welding equipment |
| CN108253096A (en) * | 2017-12-31 | 2018-07-06 | 臧宏 | Electric vehicle transmission |
| CN111502902A (en) * | 2020-04-29 | 2020-08-07 | 许天宝 | Sea tide gravity power generation system |
| CN112212000A (en) * | 2020-10-19 | 2021-01-12 | 向雨阳 | Automatic transmission |
| CN113669447A (en) * | 2021-07-14 | 2021-11-19 | 中国十七冶集团有限公司 | Safety device for gear protection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519867Y (en) * | 2001-11-20 | 2002-11-06 | 赵天云 | Speed variator for electric driving vehicle |
| US20030006115A1 (en) * | 2001-07-09 | 2003-01-09 | Tai-Yang Luh | Reverse gear transmission device of differential of vehicle |
| US20080060462A1 (en) * | 2006-09-08 | 2008-03-13 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Single motor transmission shifting mechanism for a motor vehicle transmission |
| CN202327062U (en) * | 2011-11-17 | 2012-07-11 | 重庆墨龙机械有限公司 | Clutch for variable-speed booster of electric tricycle |
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN202992045U (en) * | 2012-12-19 | 2013-06-12 | 常州市五达电器设备有限公司 | Variable-speed gear of electric vehicle |
-
2012
- 2012-12-19 CN CN201210553620.9A patent/CN103423435B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030006115A1 (en) * | 2001-07-09 | 2003-01-09 | Tai-Yang Luh | Reverse gear transmission device of differential of vehicle |
| CN2519867Y (en) * | 2001-11-20 | 2002-11-06 | 赵天云 | Speed variator for electric driving vehicle |
| US20080060462A1 (en) * | 2006-09-08 | 2008-03-13 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Single motor transmission shifting mechanism for a motor vehicle transmission |
| CN202327062U (en) * | 2011-11-17 | 2012-07-11 | 重庆墨龙机械有限公司 | Clutch for variable-speed booster of electric tricycle |
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN202992045U (en) * | 2012-12-19 | 2013-06-12 | 常州市五达电器设备有限公司 | Variable-speed gear of electric vehicle |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930131A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Intermediate shaft system of automatic gear shifting speed reducer for electric vehicle |
| CN104989814A (en) * | 2015-07-17 | 2015-10-21 | 李明阳 | Boosting type electromagnetically-controlled gearbox with automatic gear shifting function |
| CN104989814B (en) * | 2015-07-17 | 2019-02-26 | 常州市武起常乐电机有限公司 | A kind of boosting-type Electromagnetic Control automatic shifting transmission gear box |
| CN105422757A (en) * | 2015-11-23 | 2016-03-23 | 大丰格雷特科技有限公司 | Automatic gear-shifting actuator of electric vehicle |
| CN108127413A (en) * | 2017-12-20 | 2018-06-08 | 通裕重工股份有限公司 | Circular weld joint retaining wall on slope and welding equipment |
| CN108127413B (en) * | 2017-12-20 | 2020-04-10 | 通裕重工股份有限公司 | Circular weld groove machining and welding equipment |
| CN108253096A (en) * | 2017-12-31 | 2018-07-06 | 臧宏 | Electric vehicle transmission |
| CN108253096B (en) * | 2017-12-31 | 2024-01-30 | 常州市常劲科技有限公司 | Electric vehicle speed changer |
| CN111502902A (en) * | 2020-04-29 | 2020-08-07 | 许天宝 | Sea tide gravity power generation system |
| CN112212000A (en) * | 2020-10-19 | 2021-01-12 | 向雨阳 | Automatic transmission |
| CN113669447A (en) * | 2021-07-14 | 2021-11-19 | 中国十七冶集团有限公司 | Safety device for gear protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103423435B (en) | 2015-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103423435B (en) | The speed change gear of electric motor car and gearshift assembly | |
| CN204340646U (en) | A kind of hybrid transmissions | |
| CN203500391U (en) | Power take-off speed changer | |
| CN202091458U (en) | Novel auxiliary transmission assembly applied in three-wheel or four-wheel vehicle | |
| CN201501298U (en) | Split-type differential driving axle for speed changer and motor | |
| CN107202139B (en) | Speed-changing moment-reducing transfer case | |
| CN103511560A (en) | Mechanical automatic speed changing box of electric motor coach | |
| CN203500431U (en) | Power take-off type multi-gear speed changer | |
| CN202992045U (en) | Variable-speed gear of electric vehicle | |
| CN201461919U (en) | Mechanical and hydraulic drive gear box | |
| CN203979295U (en) | Power taking gearshift type speed changer | |
| CN204061854U (en) | 6 gear gearbox jack shafts three keep off gear side power take-off | |
| CN202992043U (en) | Three-gear transmission of fuel vehicle | |
| CN210178873U (en) | Electric control gearbox and machine using same | |
| CN2723773Y (en) | Automobile gear box device | |
| CN210126429U (en) | Series-parallel hybrid power system based on two gearboxes | |
| CN202790350U (en) | Power-storage reversing gear box | |
| CN207777546U (en) | A kind of two grades of AMT gearboxes of new-energy automobile | |
| CN202992051U (en) | Reverse gear type three-gear transmission | |
| CN207814351U (en) | Dynamic power shift gear box | |
| CN207728814U (en) | Electrichydraulic control power output device | |
| CN106641127B (en) | 8-gear special vehicle transmission | |
| CN201385570Y (en) | Gearshift assembly for single-cylinder tri-wheeled vehicle | |
| CN204762243U (en) | Crops combine third gear transmission assembly | |
| CN220378864U (en) | Sustainable output power takeoff |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210602 Address after: Room 202, unit C, building 16, Beizhi street, Tianning District, Changzhou City, Jiangsu Province Patentee after: Huang Hongliang Address before: 213000 2nd floor, block B, Puqian Industrial Park, Tianning District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU WUDA ELECTRICAL APPLIANCE EQUIPENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |