CN108590420A - Electronic strut - Google Patents
Electronic strut Download PDFInfo
- Publication number
- CN108590420A CN108590420A CN201810489426.6A CN201810489426A CN108590420A CN 108590420 A CN108590420 A CN 108590420A CN 201810489426 A CN201810489426 A CN 201810489426A CN 108590420 A CN108590420 A CN 108590420A
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- China
- Prior art keywords
- outer tube
- catheter
- adapter
- connector
- motor
- 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.)
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- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010892 electric spark Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
- E05Y2900/532—Back doors or end doors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Materials For Medical Uses (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of electronic struts, including outer tube, outer catheter, inner catheter, motor, lead screw, first connector and the second connector, the motor and the outer catheter are set to along the axial direction of the outer tube in the outer tube, the motor is connect with the lead screw, the inner catheter coordinates with the wire rod thread, the inner catheter is moved down in leading for the outer catheter, and spin-ended cooperation between the inner catheter and the outer catheter, first connector and second connector are respectively arranged on the both ends of the outer tube, and first connector is fixed on the end of the outer tube, second connector is fixed on the end of the inner catheter, the motor is drag cup brushless motor.Described electronic strut the operation is stable, not vulnerable, service life is long, while it can save encoder, reduces to make and holds cost, efficient, not will produce electric spark, can obtain the effect of preferable electromagnetic interference of drawing up.
Description
Technical field
The present invention relates to technical field of a vehicle accessory, more particularly, to a kind of electronic strut.
Background technology
Currently, automobile tail gate strut on the market is all to use direct current carbon brush motor, carbon brush electric motor is relied primarily on through slowing down
Driving lead screw is for linear motion after case slows down, to drive tail-gate to be turned on and off.This way has following drawback：Carbon brush
It can wear at runtime, if the carbon dust accumulation of abrasion can be short-circuit to commutator segment adjacent in commutator segment isolation channel, lead to motor
Failure；In addition, carbon brush, which is wear-out part, can influence electrical machinery life；Encoder need to additionally be increased in motor tail end, feed back motor start
Information is to control module；For carbon brush electric motor peak efficiency generally 65% or so, operating current is larger；Carbon brush electric motor can produce when commutating
Raw electric spark, will produce electromagnetic interference.
Invention content
Based on this, the invention reside in overcoming the deficiencies of existing technologies, a kind of electronic strut is provided, the operation is stable is not easy
Failure, service life is long, while it can save encoder, reduces to make and holds cost, efficient, not will produce electric spark, can
To obtain the effect for electromagnetic interference of preferably drawing up.
In order to achieve the above object, the present invention uses following technical scheme：
Electronic strut described in one embodiment of the invention, including outer tube, outer catheter, inner catheter, motor, lead screw, first
Connector and the second connector, the motor and the outer catheter are set to along the axial direction of the outer tube in the outer tube,
The motor is connect with the lead screw, and the inner catheter coordinates with the wire rod thread, and the inner catheter is in the outer catheter
It leads and moves down, and spin-ended cooperation between the inner catheter and the outer catheter, first connector and second connection
Head is respectively arranged on the both ends of the outer tube, and first connector is fixed on the end of the outer tube, and described second connects
Connector is fixed on the end of the inner catheter, and the motor is drag cup brushless motor.
Above-mentioned technical proposal is further described below：
Further include protective case and compression spring, the outer tube, the protective case, the compression spring in one of the embodiments,
Set gradually with the outer catheter ecto-entad, the inner wall of the outer tube is equipped with block machine, the protective case include with it is described
The sleeve body of outer catheter coaxial arrangement and the occlusion part set on one end of described sleeve pipe ontology, the occlusion part are equipped with for holding
Receive the holding tank of the compression spring, one end of the compression spring offsets with the block machine, and the other end, which supports, to be set in the holding tank, described
Occlusion part offsets with second connector.
The inner wall of the protective case is equipped with lubricant coating in one of the embodiments,.
Further include the damper being set in the outer tube in one of the embodiments, the damper is set to described
Between motor and the outer catheter, and the damper is sheathed on the lead screw.
Further include the adapter being set in the outer tube in one of the embodiments, the adapter is fixed on institute
It states on the inner wall of outer tube, the damper is fixed in the adapter, is equipped between the adapter and the damper
Bolster.
The adapter includes the first adapter being axially arranged along the lead screw and in one of the embodiments,
Two adapters, the one end of first adapter far from second adapter are equipped with the first coaming plate, and second adapter is remote
One end from first adapter is equipped with the second coaming plate, spin-ended between first adapter and second adapter to match
It closes, matches the damper and be set between first coaming plate and second coaming plate.
Further include bearing in one of the embodiments, the bearing is set between the adapter and the outer catheter,
Second coaming plate is equipped with card slot for accommodating the bearing, the bearing be set to the card slot and with second coaming plate
Interference engagement, the bearing holder (housing, cover) are set on the lead screw.
Further include marine glue in one of the embodiments, the water-proof rubber sleeve is set on the lead screw and positioned at described
Between bearing and the outer catheter, the outer catheter is connected with fixed seat close to one end of the bearing, and the fixed seat is fixed
In on the inner wall of the outer tube, the marine glue be equipped with two the first waterproofs protrusion being in contact with the lead screw and with it is described
Second waterproof protrusion that fixed seat is in contact.
First connector is the first ball-and-socket of integration, the second connector packet in one of the embodiments,
The second ball-and-socket for including the gland being connect with the inner catheter and being connect with the gland；The outer tube is that integration covers
Pipe.
Further include the reduction box being set in the outer tube in one of the embodiments, the motor is subtracted by described
Fast case is connect with the lead screw.
The present invention includes at least following advantages, does not need to reach following simultaneously however, implementing any of the products of the present invention
All advantages：
1, drag cup brushless motor is equipped in the electronic strut, drag cup brushless motor is free of carbon brush, when running not
Easily short circuit, can provide the longer service life for electronic strut；Drag cup brushless motor is free of carbon brush, because carbon brush and commutation may be not present
Noise caused by piece friction, has better muting function；Drag cup is brushless to use electronic commutation, not will produce electric spark,
It can get better EMI inhibitions；Three positioning Hall elements of drag cup brushless motor band itself, can synchronize and be transported as motor
Row feedback signal is not required to additionally increase encoder；Drag cup brushless motor is directly connected to coil, not traditional carbon brush and commutation
Contact impedance between piece, operation is more stable, and loss is also less；Drag cup brushless motor does not have iron core, without eddy-current loss, effect
Rate can greatly save electric energy up to 80~90%；In addition, drag cup brushless motor does not have iron core, electric motor starting and brake response
Faster than carbon brush electric motor, electronic strut operation is more smooth and accurate.In summary, the electronic strut at runtime can be more
It is the steady, low noise that adds, energy saving, reliable, reduce motorcar electric strut replacement frequency.
2, compression spring plays the effect of auxiliary switch door and hovering.On the one hand protective case provides guiding for stretching for compression spring,
On the other hand for covering compression spring, prevent compression spring from exposing.
3, the inner wall of protective case is equipped with lubricant coating, plays lubricating and wear-resisting, can effectively reduce between compression spring and protective case
Sound caused by friction.
4, damper is for providing damping force so that electronic strut possesses enough static retention forces, to allow tail-gate to gather around
There is preferably hovering effect.
5, adapter is used to damper being fixed on outer tube, and bolster is equipped between adapter and damper, makes
The effect for realizing automatic adjustment can be buffered by obtaining damper, ensure that damper and lead screw are concentric.
6, adapter splits into two parts, and damper and bolster is facilitated to install.Two parts of adapter are spin-ended simultaneously matches
It closes, assembles dislocation between the first adapter and the second adapter for preventing, lead to rigging error occur.
7, adapter is additionally operable to installation bearing, bearing and interference engagement on adapter, eliminates and draws because of fit clearance
The concentricity risen.
8, the setting of marine glue for realizing damper and the components such as motor within bearing and bearing leakproofness, it is real
Existing waterproof.Two the first waterproof protrusions are used to ensure the leakproofness between movable lead screw on marine glue simultaneously, one second
Waterproof protrusion then leakproofness between guarantee and fixed seat while, for reducing the manufacture difficulty of marine glue.
9, the bottom end seal of outer tube is protected other internal components such as motor, while the first connector by the first connector
Be integrally formed part, simple in structure, and intensity is high, is easily assembled to outer tube；Second connector is seperated part, more convenient for structure
Complicated the second connector processing and manufacturing.
10, integrated outer tube, reduces number of parts, motor, outer catheter, inner catheter, lead screw etc. are integrated to be assembled into one
In the outer tube of change, without rigging error, concentricity is eliminated, lead screw operation is more smooth.
11, motor transfers power to after reducing speed, raising torque by reduction box on lead screw.
Description of the drawings
Fig. 1 is the sectional view of the electronic strut described in an embodiment；
Fig. 2 is the assembling relationship figure between outer catheter and inner catheter in Fig. 1；
Fig. 3 is the C direction views of Fig. 2；
Fig. 4 is the explosive view of the inner catheter in Fig. 2；
Fig. 5 is enlarged drawing at the A of Fig. 1；
Fig. 6 is the structural schematic diagram of the outer tube in Fig. 1；
Fig. 7 is the structural schematic diagram of the protective case in Fig. 1；
Fig. 8 is enlarged drawing at the B of Fig. 1；
Fig. 9 is the structural schematic diagram of the adapter in Fig. 8；
Figure 10 is the assembling relationship figure between reduction box and adapter in Fig. 1；
Figure 11 is the structural schematic diagram of the marine glue in Fig. 8；
Figure 12 is the structural schematic diagram of the first connector in Fig. 1；
Figure 13 is the structural schematic diagram of the second connector in Fig. 1.
Reference sign：
100, outer tube, 110, block machine, 210, motor, 220, reduction box, 230, lead screw, 240, damper, 250, bearing,
260, marine glue, the 261, first waterproof protrusion, the 262, second waterproof protrusion, 300, adapter, the 310, first adapter, 311, the
One coaming plate, the 320, second adapter, the 321, second coaming plate, 3211, card slot, 330, bolster, 400, protective case, 410, casing sheet
Body, 420, occlusion part, 421, holding tank, 500, compression spring, 600, outer catheter, 610, fixed seat, 620, guide groove, 700, interior lead
Pipe, 710, slide head, the 711, first linkage section, 7111, convex ribs, the 712, second linkage section, 7121, connection bump, 720, conduit
Ontology, 721, connecting hole, the 800, first connector, the 900, second connector, 910, gland, 911, baffle, the 920, second ball
Nest.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only solving
The present invention is released, protection scope of the present invention is not limited.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly anchored to another
Element can also be fixed on another element by element placed in the middle.When an element is known as " connection " another yuan
Part, it can be directly to another element or can also be to be connected to another element by element placed in the middle.
Unless otherwise indicated, otherwise the descriptions such as term " first " and " second " herein are used only for distinguishing each group in specification
Part, element, step etc., without the logical relation being intended to indicate that between various components, element, step or ordinal relation etc..
As shown in Figure 1, the electronic strut described in one embodiment of the invention, including outer tube 100, outer catheter 600, inner catheter
700, motor 210, lead screw 230, the first connector 800 and the second connector 900.600 edge of the motor 210 and the outer catheter
The axial direction for the outer tube 100 is set in the outer tube 100.The motor 210 is connect with the lead screw 230, described interior
Conduit 700 be sheathed on the lead screw 230 and with 230 screw-thread fit of the lead screw.The inner catheter 700 is in the outer catheter
600 lead moves down, and spin-ended cooperation between the inner catheter 700 and the outer catheter 600." spin-ended cooperation " is meant
Refer to and does not relatively rotate between matched two components.First connector 800 and second connector 900 difference
Set on the both ends of the outer tube 100, and first connector 800 is fixed on the end of the outer tube 100, and described second
Connector 900 is fixed on the end of the inner catheter 700.For being connect with vehicle body, described second connects first connector 800
Connector 900 with tailstock door for connecting.
Electricity can be controlled by ECU (Electronic Control Unit, electronic control unit, also referred to as car running computer)
Rotating forward, reversion and the stopping of machine 210.Motor 210 can drive lead screw 230 to rotate, and lead screw 230 is threadedly coupled with inner catheter 700.Again
Due to spin-ended cooperation between inner catheter 700 and outer catheter 600 so that inner catheter 700 is only linear under the action of lead screw 230 to be moved
It is dynamic, it will not rotate, so that the convert rotational motion of lead screw 230 is the linear motion of inner catheter 700, realize inner catheter
700 it is flexible.Meanwhile the setting stretched using lead screw 230 and 700 screw-thread fit of inner catheter is, it can be achieved that in dead electricity, hand
Dynamic control tail-gate is turned on and off, easy to use.
In the present embodiment, motor 210 is drag cup brushless motor, and drag cup brushless motor is free of carbon brush, when running not
Easily short circuit, can provide the longer service life for electronic strut；Drag cup brushless motor is free of carbon brush, because carbon brush and commutation may be not present
Noise caused by piece friction, has better muting function；Drag cup is brushless to use electronic commutation, not will produce electric spark,
It can get better EMI (Electromagnetic Interference, electromagnetic interference) inhibition；Drag cup brushless motor
Three positioning Hall element of band itself, can synchronize and run feedback signal as motor 210, be not required to additionally increase encoder；It is hollow
Cup brushless motor is directly connected to coil, and the contact impedance between not traditional carbon brush and commutator segment, operation is more stable, loss
Less；Drag cup brushless motor does not have iron core, and without eddy-current loss, efficiency can greatly save electric energy up to 80~90%；Separately
Outside, drag cup brushless motor does not have iron core, and motor 210 starts and brake response ratio carbon brush electric motor 210 is fast, electronic strut operation
It is more smooth and accurate.In short, the electronic strut at runtime being capable of more steady, low noise, energy saving, reliable, reduction
Motorcar electric strut replacement frequency.It should be noted that drag cup brushless motor is existing market matured product, the present invention is wherein
One innovative point is that is the drag cup brushless motor is applied in electronic strut, and does not lie in drag cup brushless motor itself changes
Into therefore, not repeating the concrete structure of drag cup brushless motor herein.
Specifically, the spin-ended fit system between outer catheter 600 and inner catheter 700 is as follows：As shown in Figures 2 and 3, this reality
It applies in example, outer catheter 600 is equipped with guide groove 620, and the inner catheter 700 is equipped with convex ribs 7111, and the convex ribs 7111 can be described
Sliding in guide groove 620.Pass through the cooperation of guide groove 620 and convex ribs 7111 so that when lead screw 230 rotates, inner catheter 700 is outside
Under the limit of conduit 600, will not follow lead screw 230 rotate, only can linear movement, to realize 700 telescopic moving of inner catheter.
In other embodiments, the position of guide groove 620 and convex ribs 7111 can also be exchanged so that guide groove 620 is set to inner catheter
On 700, convex ribs 7111 are set on outer catheter 600.
In the present embodiment, as shown in figure 4, the inner catheter 700 includes slide head 710 and catheter body 720.The cunning
Dynamic head 710 includes axially disposed the first linkage section 711 and the second linkage section 712.The outer diameter of first linkage section 711 is big
In the outer diameter of first linkage section 711.It is circumferentially arranged at intervals with the convex ribs 7111 on first linkage section 711；It is described
Second linkage section 712 is equipped with connection bump 7121.The catheter body 720 is sheathed on second linkage section 712, and institute
Catheter body 720 is stated to be equipped with and 7121 matched connecting hole 721 of the connection bump.Above-mentioned design makes catheter body
720 can be bonded with the inner wall of outer catheter 600, so that 720 linear movement precision of catheter body is high, deviation will not occur.
Please continue to refer to Fig. 1, in the present embodiment, the electronic strut further includes reduction box 220, and the motor 210 is logical
The reduction box 220 is crossed to connect with the lead screw 230.Motor 210 will move after reducing speed, raising torque by reduction box 220
Power is transmitted on lead screw 230.
Further, as shown in Figure 1 and Figure 5, the electronic strut further includes protective case 400 and compression spring 500.The housing
Pipe 100, the protective case 400, the compression spring 500, the outer catheter 600 and 700 ecto-entad of the inner catheter are set gradually.
Incorporated by reference to Fig. 6, the inner wall of the outer tube 100 is equipped with block machine 110.Incorporated by reference to Fig. 7, the protective case 400 include with it is described
The sleeve body 410 that outer catheter 600 is coaxially disposed and the occlusion part 420 set on one end of described sleeve pipe ontology 410.It is described to block
The holding tank 421 for accommodating the compression spring 500 is equipped in portion 420.One end of the compression spring 500 offsets with the block machine 110,
The other end, which supports, to be set in the holding tank 421.Also, as shown in figure 5, second connector 900 is along the inner catheter 700
Radially protruding be arranged in the inner catheter 700, the occlusion part 420 and second connector 900 protrude from described interior lead
The part of pipe 700 offsets.It should be noted that in other examples, the occlusion part 420 also can be with the inner catheter
700 are fixedly connected.
In automobile tail gate by closing to during unlatching, inner catheter 700 and the second connector 900 stretch out, and compression spring 500 pushes away
Dynamic protective case 400 stretches out together, and compression spring 500 gradually stretches, until tail-gate is opened into predetermined angular, compression spring 500 has shared one
Sub-wire bar 230 protects lead screw 230 to the support force of tail-gate, extends the service life of the electronic strut.In automobile tail gate
During opening to closing, inner catheter 700 and the second connector 900 are retracted, and the second connector 900 drives protective case 400
It retracts together with compression spring 500.Compression spring 500 plays the effect of auxiliary switch door and hovering.400 one side of protective case is to for compression spring
500 flexible offer guiding, are on the other hand used to cover compression spring 500, prevent compression spring 500 from exposing.In addition, being kept off on outer tube 100
The setting of platform 110, for providing support level for compression spring 500, prevent compression spring 500 directly with the components such as motor 210 or reduction box 220
Contact, to protect the components such as motor 210 or reduction box 220.
In the present embodiment, the inner wall of the protective case 400 is equipped with lubricant coating (attached drawing is not shown), and the lubricant coating can
It is selected as Teflon coating, plays lubricating and wear-resisting, can effectively reduce sound caused by rubbing between compression spring 500 and protective case 400
Sound.
Further, as shown in Figure 1, the electronic strut further includes the damper 240 being set in the outer tube 100,
The damper 240 is set between the reduction box 220 and the outer catheter 600, and the damper 240 is sheathed on the silk
On bar 230.Damper 240 is for providing damping force so that electronic strut possesses enough static retention forces, to allow tail-gate to gather around
There is preferably hovering effect.
Incorporated by reference to Fig. 8, the electronic strut further includes the adapter 300 being set in the outer tube 100, adapter 300
For damper 240 to be fixed on outer tube 100.Specifically, the adapter 300 is fixed on the interior of the outer tube 100
On wall, the damper 240 is fixed in the adapter 300.It is equipped between the adapter 300 and the damper 240
Bolster 330, bolster 330 are chosen as rubber bumper 330.Bolster 330 is buffered for damper 240, realizes damper
240 automatic adjustment ensures that damper 240 and lead screw 230 are concentric.
Specifically, as shown in figure 9, the adapter 300 includes the first adapter being axially arranged along the lead screw 230
310 and second adapter 320.The one end of first adapter 310 far from second adapter 320 is equipped with the first coaming plate
311；The one end of second adapter 320 far from first adapter 310 is equipped with the second coaming plate 321.The damper 240
Between first coaming plate 311 and second coaming plate 321.Adapter 300 splits into two parts, facilitates damper 240
Installation and bolster 330 are installed.
Spin-ended cooperation between first adapter 310 and second adapter 320, for preventing the first adapter
310 and second assemble dislocation between adapter 320, lead to rigging error occur.Specifically, as shown in Figure 10, the first adapter
310 and second realize spin-ended, while but also the first adapter 310 and the between adapter 320 by boss and groove cooperation
It is easy to assembly between two orchestrations.It should be noted that in other examples, the first adapter 310 and the second adapter
320, which can also be used other spin-ended cooperations, prevents, such as is bolted, rivets, bolts.
Further, as shown in figure 8, the electronic strut further includes bearing 250, the bearing 250 is set to the adaptation
Between device 300 and the outer catheter 600, the bearing 250 is sheathed on the lead screw 230.The setting of bearing 250 is for ensureing
Lead screw 230 rotates smooth.
In the present embodiment, as shown in figure 9, second coaming plate 321 is equipped with the card slot for accommodating the bearing 250
3211.The bearing 250 be set to the card slot 3211 and with 321 interference engagement of the second coaming plate, eliminate because of fit clearance
Caused by concentricity." concentricity " refers to the degrees of offset in the center of circle of cross section between component.In addition, such as Fig. 9 and
Shown in Figure 10, the first coaming plate 311 also with 220 spin-ended cooperation of reduction box, connects for realizing between reduction box 220 and adapter 300
It connects and spin-ended effect.The fit system of groove and boss can also be used in spin-ended cooperation, or uses other according to actual needs
Fit system.In summary, the adapter 300 is not only used to install damper 240, but also due to connecting reduction box 220, also uses
In installation bearing 250.
Further, as shown in Figure 8 and Figure 11, the electronic strut further includes marine glue 260,260 sets of the marine glue
On the lead screw 230 and between the bearing 250 and the outer catheter 600.The outer catheter 600 is close to the axis
The one end for holding 250 is connected with fixed seat 610, and the fixed seat 610 is fixed on the inner wall of the outer tube 100.The waterproof
Glue 260 be equipped be in contact with the lead screw 230 (axle sleeve for being preferable over lead screw 230) two the first waterproofs protrusion 261 and with institute
State the second waterproof protrusion 262 that fixed seat 610 is in contact.The setting of marine glue 260 is for realizing bearing 250 and bearing
The leakproofness of the equal components of damper 240 and motor 210 within 250, realizes waterproof.Simultaneously on marine glue 260 two first it is anti-
Water protrusion 261, for ensuring that the leakproofness between movable lead screw 230, a second waterproof protrusion 262 are then ensureing and consolidating
While leakproofness between reservation 610, the manufacture difficulty for reducing marine glue 260.It should be noted that other real
It applies in example, the quantity of the first waterproof protrusion 261 and the second waterproof protrusion 262 can also be set as other quantity according to actual needs.
In addition, as shown in figure 12, in the present embodiment, first connector 800 be integration the first ball-and-socket, for
The Universal-head of vehicle body connects.The bottom end seal of outer tube 100, protection motor 210 are waited other internal components by the first ball-and-socket.Together
When, the first connector 800 is integrally formed part, simple in structure, and intensity is high, is easily assembled to outer tube 100.As shown in figure 13,
Second connector 900 includes the gland 910 being connect with the inner catheter 700 and connect with the gland 910
Two ball-and-sockets 920, the second ball-and-socket 920 with the Universal-head of tailstock door for connecting.Specifically, one end of the gland 910 is inserted into
It is connect in the inner catheter 700 and with the inner catheter 700, the other end of the gland 910 is inserted into the ball-and-socket 920 simultaneously
It is connect with the ball-and-socket 920.Be additionally provided with baffle 911 in the gland 910, the occlusion part 420 of the protective case 400 with it is described
Baffle 911 offsets.Second connector 900 is designed as seperated part, is fabricated convenient for the second connector 900.
In addition, the outer tube 100 is integrated casing, number of parts, motor 210, outer catheter 600, inner catheter are reduced
700, the component set such as lead screw 230, without rigging error, eliminate concentricity, silk at being assembled into integrated outer tube 100
The operation of bar 230 is more smooth.Wherein, the first connector 800, motor 210, adapter 300, outer catheter 600 etc. are solderable is connected to outside
On casing 100.Laser welding process specifically can be used, compare existing pressure point mode, laser welding portion uses interference engagement, disappears
Except concentricity, water resistance is also more preferably.
Only several embodiments of the present invention are expressed for above example, the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of electronic strut, which is characterized in that including outer tube, outer catheter, inner catheter, motor, lead screw, the first connector and
Second connector, the motor and the outer catheter are set to along the axial direction of the outer tube in the outer tube, the motor
It is connect with the lead screw, the inner catheter coordinates with the wire rod thread, and the inner catheter is moved down in the guiding of the outer catheter
It is dynamic, and spin-ended cooperation between the inner catheter and the outer catheter, first connector and second connector are set respectively
In the both ends of the outer tube, and first connector is fixed on the end of the outer tube, and second connector is fixed
In the end of the inner catheter, the motor is drag cup brushless motor.
2. electronic strut according to claim 1, which is characterized in that further include protective case and compression spring, the outer tube, institute
It states protective case, the compression spring and the outer catheter ecto-entad to set gradually, the inner wall of the outer tube is equipped with block machine, described
Protective case includes the sleeve body being coaxially disposed with the outer catheter and the occlusion part set on one end of described sleeve pipe ontology, described
Occlusion part is equipped with the holding tank for accommodating the compression spring, and one end of the compression spring offsets with the block machine, and the other end is supported and is set to
In the holding tank, the occlusion part offsets with second connector.
3. electronic strut according to claim 2, which is characterized in that the inner wall of the protective case is equipped with lubricant coating.
4. electronic strut according to claim 1 or 2, which is characterized in that further include the damping being set in the outer tube
Device, the damper is set between the motor and the outer catheter, and the damper is sheathed on the lead screw.
5. electronic strut according to claim 4, which is characterized in that further include the adapter being set in the outer tube,
The adapter is fixed on the inner wall of the outer tube, and the damper is fixed in the adapter, the adapter with
Bolster is equipped between the damper.
6. electronic strut according to claim 5, which is characterized in that the adapter includes being set along the axial direction of the lead screw
The first adapter and the second adapter set, the one end of first adapter far from second adapter are enclosed equipped with first
Plate, the one end of second adapter far from first adapter are equipped with the second coaming plate, first adapter and described the
Spin-ended cooperation between two adapters matches the damper and is set between first coaming plate and second coaming plate.
7. electronic strut according to claim 6, which is characterized in that further include bearing, the bearing is set to the adaptation
Between device and the outer catheter, second coaming plate is equipped with the card slot for accommodating the bearing, and the bearing is set to described
Card slot and with the second coaming plate interference engagement, the bearing holder (housing, cover) be set to the lead screw on.
8. electronic strut according to claim 7, which is characterized in that further include marine glue, the water-proof rubber sleeve is set to institute
It states on lead screw and between the bearing and the outer catheter, the outer catheter is connected with fixation close to one end of the bearing
Seat, the fixed seat is fixed on the inner wall of the outer tube, and the marine glue is equipped be in contact with the lead screw two the
One waterproof protrusion and second waterproof protrusion being in contact with the fixed seat.
9. electronic strut according to claim 1, which is characterized in that first connector is the first ball of integration
Nest, second connector include the gland being connect with the inner catheter and the second ball-and-socket for being connect with the gland；Institute
It is integrated casing to state outer tube.
10. electronic strut according to claim 1, which is characterized in that further include the reduction box being set in the outer tube,
The motor is connect by the reduction box with the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489426.6A CN108590420B (en) | 2018-05-21 | 2018-05-21 | Electric stay bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489426.6A CN108590420B (en) | 2018-05-21 | 2018-05-21 | Electric stay bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590420A true CN108590420A (en) | 2018-09-28 |
| CN108590420B CN108590420B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489426.6A Active CN108590420B (en) | 2018-05-21 | 2018-05-21 | Electric stay bar |
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| CN (1) | CN108590420B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109763735A (en) * | 2019-02-27 | 2019-05-17 | 常州市凯程精密汽车部件有限公司 | Automobile power back door strut damper |
| CN110173185A (en) * | 2019-06-21 | 2019-08-27 | 芜湖玮博泰克汽车技术有限公司 | A kind of automobile power back door balancing pole and its assembly method |
| CN111119644A (en) * | 2020-01-13 | 2020-05-08 | 广东东箭汽车科技股份有限公司 | Driving mechanism and turnover device |
| CN111305688A (en) * | 2020-03-31 | 2020-06-19 | 广东东箭汽车科技股份有限公司 | Electric stay bar and car |
| WO2022057215A1 (en) * | 2020-09-17 | 2022-03-24 | 广东骏驰科技股份有限公司 | Novel electric strut |
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| CN108590420B (en) | 2023-11-14 |
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