Utility model content
Based on this, it is necessary to easily jeopardize the problem of personal safety when in use for existing juice extractor, there is provided a kind of
Ensure that the juice extractor of user's personal safety.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of juice extractor, including:
Base, Operation switch is provided with the base;
Driver part, in the base;
Squeeze the juice part, on the base, and the part of squeezing the juice is connected with the driver part;The portion that squeezes the juice
Part includes shell, dynamic emery wheel, quiet emery wheel and the first stick pusher, and the dynamic emery wheel is installed in the housing, the quiet emery wheel peace
Dress on the housing, is provided with the first food materials passage on the quiet emery wheel, first stick pusher is arranged on the described first food
In material passage;And
Safety component, including the first release mechanism and the second release mechanism, first release mechanism are arranged on described quiet
On emery wheel, second release mechanism is arranged on the base, and first release mechanism joins with second release mechanism
It is dynamic to set, and second release mechanism is connected with the Operation switch, first stick pusher and the first food materials passage
Coordinate control the first release mechanism work;
First stick pusher is arranged on the first food materials passage, first release mechanism work, drives described the
Two release mechanisms touch the Operation switch, the Operation switch conducting;First stick pusher departs from first food materials and leads to
Road, first release mechanism does not work, and second release mechanism is not touched the Operation switch, and the Operation switch is not
Can conducting.
Wherein in one embodiment, first release mechanism includes safe pushing block, touches connecting rod and the first reset bullet
Spring, the safe pushing block is connected and in the (the first back-moving spring with the shake-up connecting rod, described to touch connecting rod and institute
State the connection of the second release mechanism;
The quiet emery wheel also includes guide, and the guide is arranged on the outer wall of the first food materials passage, described
First release mechanism is arranged in the guide, and the end of the safe pushing block protrudes from the interior of the first food materials passage
Wall, first stick pusher can be in contact with the end of the safe pushing block.
Wherein in one embodiment, first release mechanism also includes fixing shell, and the fixing shell is located at
The outside of the safe pushing block, the shake-up connecting rod and the (the first back-moving spring.
Wherein in one embodiment, the first guide chute, the second guide chute are provided with the guide and are led
Xiang Zhu, first guide chute connects the inner and outer wall of the first food materials passage, and the end of the shake-up connecting rod is located at
In first guide chute, the (the first back-moving spring is set in the lead column, and the (the first back-moving spring one
End is fixed in the lead column, and the end for touching connecting rod passes through second guide chute and second release mechanism
Connection.
Wherein in one embodiment, guide and limit chute is additionally provided with the guide chute, the guide and limit is slided
Groove is oriented to higher than described first parallel to the position where first guide chute, and the bottom land of the guide and limit chute and slides
Position where the bottom land of groove.
Wherein in one embodiment, the card muscle for fixing the fixing shell, institute are additionally provided with the guide
State the both sides that card muscle is arranged on the lead column.
Wherein in one embodiment, card column is provided with the safe pushing block, draw-in groove is provided with the shake-up connecting rod,
The safe pushing block is arranged in the draw-in groove of the shake-up connecting rod by the card column;
Fixed column is additionally provided with the shake-up connecting rod, the (the first back-moving spring is also set in fixed column, and described
The other end of (the first back-moving spring is fixed in the fixed column.
Wherein in one embodiment, second release mechanism includes microswitch, touch pole and fixed mount, described
Microswitch is electrically connected with the Operation switch, and the microswitch is fixed in the base by the fixed mount, described
Touch pole is connected with the shake-up connecting rod, and the touch pole can touch the microswitch.
Wherein in one embodiment, second release mechanism also includes second back-moving spring, the second reset bullet
Spring is set in the outside of the touch pole, and one end of the second back-moving spring is fixed on the fixed mount.
Wherein in one embodiment, length of first stick pusher in the first food materials passage is described first
The 15%~20% of food materials channel depth, the first release mechanism work.
Wherein in one embodiment, the part of squeezing the juice also includes the second stick pusher, is set on first stick pusher
There is the second food materials passage, second stick pusher is arranged in the second food materials passage.
The beneficial effects of the utility model are:
Juice extractor of the present utility model, structure design advantages of simple, by matching somebody with somebody for the first stick pusher and the first food materials passage
Close to control the first release mechanism to work, after the first stick pusher is arranged on the first food materials passage, the work of the first release mechanism,
First release mechanism drives the work of the second release mechanism, and then the second release mechanism actuating procedure to switch, and Operation switch conducting is squeezed
Juice machine can squeeze the juice;First stick pusher departs from the first food materials passage, and the first release mechanism does not work, and then the second release mechanism is not
Actuating procedure is switched, and Operation switch can not turn on, and juice extractor can not squeeze the juice, and the safety component of linkage is being used ensureing juice extractor
When user personal safety, safe operation reliability, even if user's faulty operation will not also hurt people.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, by the following examples, and tie
Accompanying drawing is closed, juice extractor of the present utility model is further elaborated.It should be appreciated that specific embodiment described herein
Only it is used to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1 and Fig. 2, the juice extractor of the embodiment of the utility model one is used to squeeze the food materials such as vegetables or fruit
Juice, juice extractor includes base 100, driver part 200, squeeze the juice part 300 and safety component 400.
Operation switch is provided with base 100, the work by Operation switch to whole juice extractor is controlled.Operation is opened
Conducting is closed, juice extractor can squeeze the juice to food materials such as vegetables or fruit;Operation switch is not turned on, and juice extractor can not be to vegetables
Or the food materials such as fruit are squeezed the juice.Driver part 200 is arranged in base 100, and part 300 of squeezing the juice is arranged on base 100,
Part 300 of squeezing the juice is connected with driver part 200, also, driver part 200 drives part 300 of squeezing the juice to be squeezed the juice.Drive division
Part 200 has output revolving shaft, and output revolving shaft stretches out base 100 and is in contact with part 300 of squeezing the juice, and driver part 200 is by defeated
Go out rotating shaft control part 300 of squeezing the juice to work.
Part 300 of squeezing the juice includes shell 310, dynamic emery wheel 320, the stick pusher 340 of quiet emery wheel 330 and first, and dynamic emery wheel 320 is pacified
In shell 310, quiet emery wheel 330 is arranged on shell 310, and the first food materials passage 3311, first are provided with quiet emery wheel 330
Stick pusher 340 is arranged in the first food materials passage 3311.In the utility model, quiet emery wheel 330 is also simultaneously cup lid, in order to not
Cause and obscure, be described with quiet emery wheel 330 in the utility model.Open-topped opening portion is provided with shell 310
311st, for discharging the juice outlet 312 and solid discharge 313 for discharging squeezing recrement of fruit and vegetable juice, dynamic emery wheel 320 is pacified
In opening portion 311, quiet emery wheel 330 is arranged on opening portion 311, and quiet emery wheel 330 and shell 310 enclose and be set as squeezing the juice
Squeeze the juice chamber, during dynamic emery wheel 320 squeezes the juice chamber installed in this.Dynamic emery wheel 320 include dynamic grinding wheel body portion 321, rotary shaft 322,
The crushing cutter 323 of more than one and one or more grinding rib 324, rotary shaft 322, crushing cutter 323 and grinding rib 324
It is arranged in dynamic grinding wheel body portion 321, the output revolving shaft of driver part 200 is connected with rotary shaft 322, output revolving shaft will drive
Power passes to rotary shaft 322, and rotary shaft 322 drives dynamic grinding wheel body portion 321 and crushing cutter thereon 323, grinding rib 324 1
With rotating, and it is engaged with quiet emery wheel 330 food materials such as the vegetables in chamber of squeezing the juice or fruit is squeezed the juice.
Quiet emery wheel 330 includes quiet grinding wheel body portion 331 and the crush ribs being arranged in quiet grinding wheel body portion 331.It is quiet
Emery wheel 330 be it is actionless, juice extractor when squeezing the juice, by the crush ribs and the grinding muscle of dynamic emery wheel 320 of quiet emery wheel 330
The food materials such as vegetables or fruit are ground in bar 324, the cooperation of crushing cutter 323.Quiet grinding wheel body portion 331 has the interior of pyramidal structure
Chamber, moves grinding wheel body portion 321 and is located in the conical internal cavity in quiet grinding wheel body portion 331, and the inner chamber of taper can be easy to crushing cutter 323
With being engaged for grinding rib 324 and conical internal cavity, juicing effect is high.Food material entrance is provided with quiet grinding wheel body portion 331
The first food materials passage 3311, and the first food materials passage 3311 deviates the central axis in quiet grinding wheel body portion 331.Quiet grinding wheel body
The bottom in portion 331 is provided with connecting portion, and quiet grinding wheel body portion 331 is fastened on shell 310 by connecting portion, in case stop emery wheel
320 cause the play of quiet emery wheel 330 when squeezing the juice.Further, part 300 of squeezing the juice also includes filter mechanism 360, filter mechanism
360 are used to separate fruit and vegetable juice and squeezing recrement, and filter mechanism 360 is arranged in shell 310, and positioned at the lower section of dynamic emery wheel 320,
Dynamic emery wheel 320 first passes through filter mechanism 360 and is separated after food materials are ground, then by the juice outlet 312 and residue of shell 310
Outlet 313 is exported respectively.
Referring to Fig. 3 and Fig. 4, safety component 400 includes the first release mechanism 410 and the second release mechanism 420, the first safety
Mechanism 410 is arranged on quiet emery wheel 330, and the second release mechanism 420 is arranged on base 100, the first release mechanism 410 and second
The linkage of release mechanism 420 is set, and the second release mechanism 420 is connected with Operation switch, by the first stick pusher 340 and the first food
The cooperation of material passage 3311 controls the first release mechanism 410 to work.First release mechanism 410 works, due to the second release mechanism
420 and first release mechanism 410 be linkage set, the first release mechanism 410 work when can drive the work of the second release mechanism 420
Make, conversely, the first release mechanism 410 does not work, the first release mechanism 410 will not also drive the second release mechanism 420 also not work
Make, so ensure that the personal safety of user.Specifically, the first stick pusher 340 is in the first food materials passage 3311
After first stick pusher 340 is installed to the first food materials passage 3311, the first release mechanism 410 works, and then drives the second safe machine
Structure 420 works, and the actuating procedure of the second release mechanism 420 switch, Operation switch conducting, juice extractor can squeeze the juice;First stick pusher
340 depart from i.e. the first stick pusher 340 of the first food materials passage 3311 takes out from the first food materials passage 3311, the first release mechanism
410 do not work, and then the second release mechanism 420 does not also work, so, the second release mechanism 420 also will not actuating procedure switch,
Juice extractor is not squeezed the juice, and so ensure that personal safety of user when using juice extractor, safe operation reliability, even if using
Person's maloperation will not also hurt people.Meanwhile, the tapered structure setting in inner chamber in quiet grinding wheel body portion 331, the shape of shell 310
Tapered setting, that is to say, that juice extractor employs the design of cone structure, makes the apparent size of machine reduce and height dimension
Reduce, save material, reduce packaging and cost of transportation.
At present, draining device is the vegetables and fruits that squeeze juice is treated using screw-rod structure extruding, so as to juice be separated.This
Plant and be not designed with release mechanism on quiet emery wheel, base and the stick pusher of juice extractor, for security consideration, such juice extractor design
Passage of food or feeding mouth size be typically designed it is smaller, diameter dimension is typically smaller than 76mm, and the shortcoming for causing is:Machine
Operationally open quiet emery wheel and squeeze the juice head also in rotary work, it is easy to hurt staff, it is very dangerous.It is of the present utility model to squeeze the juice
Machine controls the first release mechanism 410 to work by the first stick pusher 340 with the cooperation of the first food materials passage 3311, the first pusher
After rod 340 is installed to the first food materials passage 3311, the first release mechanism 410 drives the second release mechanism 420 to work, Operation switch
Conducting, juice extractor can squeeze the juice;First stick pusher 340 departs from the first food materials passage 3311, and the first release mechanism 410 does not drive the
Two release mechanisms 420 are worked, and Operation switch can not be turned on, and juice extractor can not squeeze the juice, and are ensured by the safety component 400 for linking
The personal safety of juice extractor user when in use, safe operation reliability.
Referring to Fig. 1, Fig. 3 and Fig. 5, further, length of first stick pusher 340 in the first food materials passage 3311 is the
The 15%~20% of the depth of one food materials passage 3311, the first release mechanism 410 works.That is, the first stick pusher 340 is just
It is installed in the first food materials passage 3311, now, the first release mechanism 410 does not work, i.e., the first stick pusher 340 is in the first food materials
When length in passage 3311 is 15% less than the depth of the first food materials passage 3311, the first release mechanism 410 does not work;When
After one stick pusher 340 advances certain depth, the first release mechanism 410 is started working, i.e. the propulsion of the first stick pusher 340 first is eaten
Length in material passage 3311 is that after the 15%~20% of the depth of the first food materials passage 3311, the first release mechanism 410 just starts
Work, also, the first stick pusher 340 continues propulsion, and the first release mechanism 410 works always;Referring to Fig. 1, Fig. 2 and Fig. 6, when from
When taking out the first stick pusher 340 in the first food materials passage 3311, also in work, the first stick pusher 340 is always for the first stick pusher 340
Upper shifting, i.e. depth of first stick pusher 340 in the first food materials passage 3311 is after the first stick pusher 340 takes out certain altitude
The 15%~20% of first food materials passage 3311, the first release mechanism 410 is stopped, so the first release mechanism 410 without
Dynamic second release mechanism 420 works, and juice extractor stops squeezing the juice, it is ensured that the safety of user.
Referring to 1 and Fig. 4, used as a kind of embodiment, the first release mechanism 410 includes safe pushing block 411, touches connecting rod
412 and (the first back-moving spring 413, safe pushing block 411 is connected and in (the first back-moving spring 413 with connecting rod 412 is touched, quiet
Emery wheel 330 also includes guide 323, and guide 323, the first release mechanism are provided with the outer wall of the first food materials passage 3311
410 are arranged in guide 323, and the end of safe pushing block 411 protrudes from the inwall of the first food materials passage 3311, touches connecting rod
412 are connected with the second release mechanism 420.Guide 323 connects the inner and outer wall of the first food materials passage 3311, safe pushing block
411 are arranged in guide 323, and guide 323 is stretched out in the end of safe pushing block 411, enables the end of safe pushing block 411 convex
For the inwall of the first food materials passage 3311, the first stick pusher 340 can be in contact with the end of safe pushing block 411.So, first
After stick pusher 340 is installed to the first food materials passage 3311, the first stick pusher 340 can promote safe pushing block 411, the first stick pusher
340 motive force more than (the first back-moving spring 413 elastic force so that safe pushing block 411 move and safe pushing block 411 end
It is pushed out in the first food materials passage 3311, meanwhile, the compression (the first back-moving spring 413 of safe pushing block 411, (the first back-moving spring 413
In compressive state, now, safe pushing block 411 drives shake-up connecting rod 412 to be synchronized with the movement, and touches connecting rod 412 and pushes drive second
Release mechanism 420 works, and the actuating procedure of the second release mechanism 420 switch, juice extractor can squeeze the juice.When the first stick pusher 340 from
After being taken out in first food materials passage 3311, safety push-rod is no longer influenced by the motive force of the first stick pusher 340, now, safe pushing block
411 under the resilient force of (the first back-moving spring 413, and safe pushing block 411 returns to initial position, and (the first back-moving spring 413 is answered
Position, touches connecting rod 412 and drives the second release mechanism 420 to reset, and actuating procedure is not switched the second release mechanism 420, and juice extractor is not
Work.
Further, the first release mechanism 410 also includes fixing shell 414, and fixing shell 414 is located at safe pushing block
411st, the outside of connecting rod 412 and (the first back-moving spring 413 is touched.Fixing shell 414 by safe pushing block 411, touch connecting rod 412 with
(the first back-moving spring 413 is fixed on the outer wall of the first food materials passage 3311, plays protection fixation, prevents juice from splashing peace
In full pushing block 411, shake-up connecting rod 412 and (the first back-moving spring 413, increase the service life.Further, in guide 323
The first guide chute 3321, the second guide chute 3322, guide and limit chute 3324 and lead column 3323 are provided with, first leads
The inner and outer wall of the first food materials passage 3311 is connected to chute 3321, the end for touching connecting rod 412 is located at the first guide chute
In 3321, (the first back-moving spring 413 is set in lead column 3323, and one end of (the first back-moving spring 413 is fixed on lead column
On 3323, the end for touching connecting rod 412 is connected through the second guide chute 3322 with the second release mechanism 420.Guide and limit is slided
Groove 3324 is parallel to the first guide chute 3321, and position where the bottom land of guide and limit chute 3324 is led higher than described first
To the position where the bottom land of chute 3321.First guide chute 3321 play the guiding role, the connection of the first guide chute 3,321 the
The inner and outer wall of one food materials passage 3311 and it is vertically arranged, the depth of the first guide chute 3321 is the first food materials passage 3311
The 15%~40% of depth, the end of safe pushing block 411 is located in the first guide chute 3321, and safe pushing block 411 is led along first
Moved to chute 3321.Guide and limit chute 3324 serves spacing, and the bottom land position of guide and limit chute 3324 is first
The 15%~20% of the depth of food materials passage 3311, that is to say, that the position of the first guide chute 3321 will be slided less than guide and limit
The position of groove 3324, can so prevent the first stick pusher 340 from driving safe pushing block 411 to decline always, be easy to operate with.The
One back-moving spring 413 is set in lead column 3323, makes (the first back-moving spring 413 in compression and stretching, extension all along lead column 3323
Axis direction compression or stretch, it is ensured that (the first back-moving spring 413 will not topple over when flexible, it is ensured that the first release mechanism
410 being capable of normal work.Second guide chute 3322 play the guiding role, it is ensured that safe pushing block 411 drives shake-up connecting rod 412 to move
When, touching connecting rod 412 can run according to default track, be not in touch the play of the connecting rod 412 influence property of safety component 400
The problem of energy.
Yet further, the card muscle 3325 for being fixed to fixing shell 414 is additionally provided with guide 323, is blocked
Muscle 3325 is arranged on the both sides of lead column 3323, and card muscle 3325 is fixedly installed in quiet grinding wheel body portion 331.Card muscle 3325
Quantity is two, and two card muscle 3325 are distributed in the both sides of lead column 3323, to ensure that fixing shell 414 can be fixed.
Meanwhile, card column 4111 is provided with safe pushing block 411, to touch and be provided with draw-in groove 1421 on connecting rod 412, safe pushing block 411 passes through
Card column 4111 is installed in the draw-in groove 1421 for touching connecting rod 412 so that safe pushing block 411 is in the presence of the first stick pusher 340
Shake-up connecting rod 412 can be driven to be synchronized with the movement.Touch and fixed column 4122 is additionally provided with connecting rod 412, (the first back-moving spring 413 is also
It is set in fixed column 4122, and the other end of (the first back-moving spring 413 is fixed in lead column 3323.That is, first
One end of back-moving spring 413 is set in lead column 3323, and the other end is set in fixed column 4122, (the first back-moving spring 413
Two ends be separately fixed in fixed column 4122 and lead column 3323, to ensure that (the first back-moving spring 413 can only be along fixed column
4122 and the axial-movement of lead column 3323.
Used as a kind of embodiment, the second release mechanism 420 includes touch pole 421, microswitch 422 and fixed mount
423, microswitch 422 is electrically connected with Operation switch, and microswitch 422 is fixed in base 100 by fixed mount 423, is touched
Bar 421 is connected with connecting rod 412 is touched, and touch pole 421 can touch microswitch 422.It is preferred that microswitch 422 passes through buckle
Fixed mode is arranged on fixed mount 423.Microswitch 422 can control operation switch, microswitch 422 acts, and operates
Switch conduction, juice extractor work;Microswitch 422 is failure to actuate, and Operation switch is not turned on, and juice extractor does not work.Touch connecting rod 412
Touch pole 421 is driven to be synchronized with the movement, specifically, after the first stick pusher 340 is installed to the first food materials passage 3311, the first stick pusher
340 can promote safe pushing block 411, meanwhile, the compression (the first back-moving spring 413 of safe pushing block 411, safe pushing block 411 drives and touches
Connecting rod 412 is synchronized with the movement, and then shake-up connecting rod 412 drives touch pole 421 to move, and touch pole 421 touches microswitch 422 and moves
Make, the actuating procedure of microswitch 422 switch, Operation switch conducting, juice extractor can squeeze the juice.When the first stick pusher 340 from first
After being taken out in food materials passage 3311, safety push-rod is no longer influenced by the motive force of the first stick pusher 340, and safe pushing block 411 is returned to just
Beginning position, (the first back-moving spring 413 resets, and safe pushing block 411 drives and touches connecting rod 412 and reset, and then touches connecting rod 412 and drive
Touch pole 421 is resetted, and dynamic microswitch 422 is failure to actuate, and is entered without actuating procedure switch, and Operation switch is not turned on, and juice extractor is not
Work.
Further, touch connecting rod 412 to be structure as a whole with touch pole 421, so ensure that shake-up connecting rod 412 and touch
The synchronism of the action of lever 421, prevents error, it is ensured that safe and reliable.Certainly, in the present embodiment, touch connecting rod 412 with
The split of touch pole 421 is set, that is, it is two parts to touch connecting rod 412 with touch pole 421, can so be easy to touch connecting rod 412
With being respectively mounted for touch pole 421.Further, the second release mechanism 420 also includes second back-moving spring 424, and second answers
Position spring 424 is set in the outside of touch pole 421, and one end of second back-moving spring 424 is fixed on fixed mount 423, and first
413 pairs of safe pushing blocks 411 of back-moving spring, touch after connecting rod 412 and touch pole 421 reset, then by second back-moving spring 424 pairs
Safe pushing block 411, shake-up connecting rod 412 and touch pole 421 are resetted, and prevent (the first back-moving spring 413 and second back-moving spring
The performance of influence safety component 400 during some damage in 424, security is higher, improves the reliability of juice extractor, it is ensured that squeeze
Juice machine safe operation.
As a kind of embodiment, guiding is provided with the side wall of the first stick pusher 340 and touches muscle 341, the first pusher
Rod 340 is installed in the first food materials passage 3311, and being oriented to shake-up muscle 341 can be in contact with the end of safe pushing block 411.It is oriented to and touches
Dynamic muscle 341 protrudes from the side wall of the first stick pusher 340, meanwhile, it is oriented to the axis direction for touching muscle 341 along the first stick pusher 340
Set, be easy to be oriented to and touch muscle 341 with the cooperation of safe pushing block 411 to promote safe pushing block 411 to move.Further, it is fixed
Fluted 4141, after the first stick pusher 340 is installed in the first food materials passage 3311 are set on shell 414, is oriented to and is touched muscle 341
In groove 4141, meanwhile, be oriented to and touch muscle 341 when being moved in the first food materials passage 3311, be oriented to touch muscle 341 along
Groove 4141 is moved, it is ensured that being oriented to shake-up muscle 341 can be in contact with the end of safe pushing block 411, be easy to use.Further
Ground, the end for being oriented to shake-up muscle 341 is provided with the guiding surface 3411 for being easy to the first stick pusher 340 to advance, guiding surface 3411
The first stick pusher 340 can be easy to be installed in the first food materials passage 3311, meanwhile, guiding surface 3411 also acts as cushioning effect,
So that the end of safe pushing block 411 is first in contact with guiding surface 3411, guiding is gradually slided into further along guiding surface 3411
Touch on muscle 341.Further, the angle between guiding surface 3411 and horizontal plane is 15 °~60 °, to ensure that safety is pushed away
Block 411 being capable of easy motion.
As a kind of embodiment, the first food materials passage 3311 with diameter greater than equal to 76mm.It is set on quiet emery wheel 330
The first food materials passage 3311 diameter the size being designed and sized to more than or equal to 76mm, can so need not in advance to eating
Thing carries out dividing processing, time saving and energy saving;Simultaneously because the ratio of the size design of the first food materials passage 3311 is larger, food once enters
Enter amount many, speed of squeezing the juice is fast, efficiency high, is easy to user to use.Further, part 300 of squeezing the juice also includes the second stick pusher
350, the second food materials passage 342 is provided with the first stick pusher 340, the second stick pusher 350 is arranged on the second food materials passage 342
In.The diameter dimension of the second food materials passage 342 is less than or equal to 76mm, when being squeezed the juice to smaller food materials, without taking out first
Stick pusher 340, it is only necessary to take out the second stick pusher 350, less food materials are put into the second food materials passage 342, then by second
Stick pusher 350 promotes food materials to be contacted with dynamic emery wheel 320, convenient and swift.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.