Utility model content
In order to solve the above-mentioned technical problem, the utility model a kind of product testing assembly line is provided, it can be achieved that product from
Dynamic detection and circulation.
The technical scheme adopted by the utility model is include assembly line main body, feeding portion, test section, screening unit and under
Material portion;Wherein, the assembly line main body includes multiple operation positions for carrying out detection processing to product, described for loading
Product carried out in the assembly line main body detection processing multiple flowing carriers, for shift the flowing carrier so that its
Circulated in the assembly line main body, with cyclical loadings product carry out detection processing loop jump portion;The feeding portion and
Blanking part is set to the both ends of the assembly line main body;The test section and screening unit are sequentially arranged in the feeding portion and blanking portion
Between.
According to one specific embodiment of the utility model, the test section includes the first detection for carrying out Function detection
Portion, first test section include the first blocking portion, the first jacking positioning region, the first lifting portion and Function detection unit;It is described
First blocking portion is for stopping the flowing carrier for being placed with product to be detected in the first detection station, to carry out Function detection;Institute
The first jacking positioning region is stated for positioning the fixed flowing carrier;First lifting portion is located under the infeed conveyor
Side, and connect with first jacking positioning region, for driving first jacking positioning region to move back and forth;
The Function detection unit includes the first driving unit and Function detection part, and the Function detection part is equipped at least
One group of Function detection probe, every group of Function detection probe includes at least two Function detection probes, for detecting the product
The different location of same Function detection pin;The driving unit is connect with the Function detection part, for driving the function
Detection piece moves back and forth, so that Function detection probe contact detection/far from the Function detection pin;
Alternatively, the Function detection unit includes the first driving unit and the Function detection part equipped with Function detection probe,
The Function detection probe is clip type probe;First driving unit is connect with the Function detection part, for driving
The reciprocating motion of functor detection piece is stated, so that the Function detection probe clamps detection/release far from the Function detection pin.
According to one specific embodiment of the utility model, first driving unit includes motor.
According to one specific embodiment of the utility model, the test section further includes second for carrying out D.C. resistance detection
Test section, second test section include the second blocking portion, the second jacking positioning region, the second lifting portion and resistance detection unit,
Second blocking portion is for stopping the flowing carrier for being placed with product to be detected in the second detection station, to carry out D.C. resistance
Detection;The second jacking positioning region is for positioning the fixed flowing carrier;Second lifting portion is located at feeding biography
The lower section of band is sent, and is connect with second jacking positioning region, for driving second jacking positioning region to move back and forth;
The resistance detection unit includes the second driving unit and resistance detection part;Be provided on the resistance detection part to
Few one group of resistance detection probe, every group of resistance detection probe includes at least two resistance detection probes, for detecting the product
The different location of upper same resistance detection pin;Second driving unit is connect with the resistance detection part, for driving
The reciprocating motion of resistance detection part is stated, so that resistance detection probe contact detection/far from the resistance detection pin;
Alternatively, second test section includes resistance detection unit, the resistance detection unit includes the second driving unit
With the resistance detection part for being equipped with resistance detection probe, the resistance detection probe is clip type probe;Second driving unit
It is connect with the resistance detection part, for driving the resistance detection part to move back and forth, so that the resistance detection probe clamps
Detection/release is far from the resistance detection pin.
According to one specific embodiment of the utility model, second driving unit includes motor.
According to one specific embodiment of the utility model, second test section further includes third driving unit, the third
Driving unit is connect with the resistance detection unit, reciprocal to drive the resistance detection unit to be parallel to the infeed conveyor
Movement.
According to one specific embodiment of the utility model, the test section further includes detecting for carrying out the third of high pressure detection
Portion, the third test section include third blocking portion, third jacking positioning region, third lifting portion and high-pressure detection unit, described
Third blocking portion is for stopping the flowing carrier for being placed with product to be detected in third detection station, to carry out high pressure detection;Institute
Third jacking positioning region is stated for positioning the fixed flowing carrier;Third lifting portion is located under the infeed conveyor
Side, and connect with third jacking positioning region, for driving third jacking positioning region to move back and forth;
The high-pressure detection unit includes the 4th driving unit and the high pressure detection piece equipped with high pressure detection probe, and described
Four driving units include motor;4th driving unit is connect with the high pressure detection piece, for driving the high pressure to examine
It surveys part to move back and forth, so that high pressure detection probe contact detection/separate high pressure detects pin.
According to one specific embodiment of the utility model, the flowing carrier includes jig and jig supporting plate, the jig with
The jig supporting plate is fixedly connected, and the material for preparing of the jig includes epoxy resin fiberglass.
According to one specific embodiment of the utility model, the product testing assembly line further includes being located at the screening unit under
Coding portion between material portion, the coding portion include the 5th blocking portion, the 5th jacking positioning region, the 5th lifting portion, code-spraying mechanism
With multi-spindle machining hand, the blocking portion is for stopping previous operation position to convey, being placed with the flowing carrier of product;Institute
The 5th jacking positioning region is stated for positioning the fixed flowing carrier;The 5th lifting portion is located under the infeed conveyor
Side, and connect with the 5th jacking positioning region, for driving the 5th jacking positioning region to move back and forth;The multi-spindle machining
Hand is used to clamp the product to coding to predetermined position, so that the code-spraying mechanism carries out coding, and clamps after coding
To the blanking portion.
According to one specific embodiment of the utility model, the screening unit includes the 4th blocking portion, the 4th lifting portion, overturning branch
Support part and defective products reflux conveyer belt, the 4th blocking portion are used to stop to be placed with the flowing carrier of high pressure detection bad products
In screening station, taken with carrying out sieve to high pressure detection bad products;The lifting portion is for driving the high pressure that is placed with to detect
The jig supporting plate elevating movement of bad products, the turning-over support portion are set to the upper of the lifting portion and the infeed conveyor
Side;The defective products reflux conveyer belt is for transmitting function detection defective products and the DC detecting defective products of flowing back, the multiaxis machine
Tool hand is also used to clamp the Function detection defective products and DC detecting defective products to defective products reflux conveyer belt, to carry out
Reflow treatment.
The advantageous effects of the utility model are: the utility model provides a kind of product testing assembly line, by feeding, inspection
Survey, screening and the processing of coding process carry out on same production line, whole that detection processing automatically can be achieved, and are not necessarily to artificial participation,
And can realize the automatic back flow circulation of jig, detection processing efficiency can be effectively improved.
Specific embodiment
It is carried out with reference to embodiments with technical effect of the attached drawing to the design of the utility model, specific structure and generation clear
Chu is fully described by, to fully understand the purpose of this utility model, scheme and effect.It is understood that described herein
Specific embodiment is only used for explaining the utility model, rather than the restriction to the utility model.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The descriptions such as upper and lower, left and right used in the utility model are only each composition portion of the utility model in opposite figure
Divide for mutual alignment relation, and term " includes " and " having " and their any deformations, it is intended that covering is non-exclusive
Include.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, the features in the embodiments and the embodiments of the present application can be mutual group in the absence of conflict
It closes.
It is the structural schematic diagram of one embodiment of the utility model product testing assembly line also referring to Fig. 1 and Fig. 2, Fig. 1;
Fig. 2 is the jig support board structure schematic diagram that jig is placed in Fig. 1;Fig. 3 is the structural schematic diagram of the first test section in Fig. 1;Fig. 4 is
The structural schematic diagram of second test section in Fig. 1;Fig. 5 is the structural schematic diagram of Fig. 1 third test section;Fig. 6 is screening unit in Fig. 1
Structural schematic diagram;Fig. 7 is the structural schematic diagram in coding portion in Fig. 1.
As shown in Figures 1 to 7, the present embodiment product testing assembly line includes rack 10, infeed conveyor 20, feeding transmission
Drive device (not shown), flowing carrier 16, feeding portion 30, the first test section 40, the second test section 50, third detection
Portion 60, screening unit 70, coding portion 80, blanking portion 90, loop jump portion 22, reflux transmission belt 24 and reflux conveyer belt power device
26.Wherein, rack 10, infeed conveyor 20, infeed conveyor power device (not shown), flowing carrier 16, reflux pass
Dynamic band 24 and reflux conveyer belt power device 26 and loop jump portion 22 constitute assembly line main body, in addition, in assembly line main body also
Including multiple operation positions for carrying out detection processing to product.Flowing carrier 16 is mainly used for loading product in assembly line master
Detection processing is carried out on body, and loop jump portion 22 is mainly used for transfer flowing carrier 16 so that it is recycled in assembly line main body
Flowing carries out detection processing with cyclical loadings product.
Specifically, infeed conveyor 20 is set in rack 10, feeding portion 30, the first test section 40, the second test section 50, the
Three test sections 60, screening unit 70, coding portion 80, blanking portion 90 set gradually and are located at the transmission feeding line of infeed conveyor 20
On, reflux conveyer belt 24 is set to the lower section of infeed conveyor 20, and opposite with 20 direction of motion of infeed conveyor;Loop jump portion
22 are set to the both ends of reflux conveyer belt 24, to realize flowing carrier 16 between infeed conveyor 20 and reflux conveyer belt 24
Transfer.Loop jump portion 22 is specially two lifting reversing arrangements.
As shown in Fig. 2, flowing carrier 16 includes jig pallet 12 and jig 14, it is provided with product placement section on jig 14,
For placing converted products to be detected;Jig 14 is fixedly placed on jig supporting plate 12, is provided with guide on jig supporting plate 12
121.Wherein, jig 14 is specifically prepared by epoxy resin fiberglass material, since epoxy resin fiberglass material is
High density, heat-resisting material, and it is not hygroscopic, jig is prepared using the material, can prevent the product jig moisture absorption from causing to produce
The detection electric discharge of product high pressure.
Feeding portion 30 is placed into the flowing that infeed conveyor 20 is sent for realizing by the product of processing to be detected
On jig 14 in carrier 16, artificial feeding or machine automatization feeding specifically can be used.
First test section 40 is mainly used for carrying out Function detection to product.As shown in figure 3, the first test section 40 includes first
Blocking portion 41, first jacks positioning region 42, the first lifting portion 43 and Function detection unit 44.Wherein, the first blocking portion 41 is used for
Stop the flowing carrier 16 for being placed with processed product in the first detection station, to carry out Function detection.First blocking portion 41 packet
Stop cylinder is included, can be moved back and forth by driving telescopic rod, flexibly stops and release to stop to realize.Certainly, the first blocking portion
41 can also be other barrier structures.
First jacking positioning region 42 for jack positioning fixed fixture supporting plate 12, first jacking positioning region 42 on be provided with
The compatible pin rod 421 of guide 121 on jig supporting plate 12;First lifting portion 43 is specially a cylinder, and the first lifting portion 43 is located at
The lower section of infeed conveyor 20, and connect with the first jacking positioning region 42, for driving the first jacking positioning region 44 to go up and down back and forth
Movement.When the first jacking of first lifting portion 43 driving positioning region 42 rises, the pin rod 421 on the first jacking positioning region 42, which is inserted in, to be controlled
Have in the guide 121 on supporting plate 12, by pin rod 421 and the fixed flowing carrier 16 of the cooperation positioning of guide 121, in order to product inspection
It surveys;After the completion of standby function detection, the first lifting portion 43 drives the first jacking positioning region 42 to decline again, to release positioning.
Function detection unit 44 is crosspointer Function detection unit, i.e., not using Function detection pin on crosspointer difference product
Product function detection is carried out with position, is cooperated by crosspointer, the accuracy of detection can be improved.
Specifically, Function detection unit 44 includes the first driving unit 45 and Function detection part 46, wherein Function detection part
46 include the first Function detection block 461, the second Function detection block 462 and third Function detection block 463, on each Function detection block
It is provided with the Function detection probe 464 of the Function detection pin in testing product, and the second Function detection block 462 and third function
The Function detection probe 464 on Function detection probe 464 and the first Function detection block 461 in energy detection block 463 cooperates, with logical
Crosspointer is crossed to detect the different location of Function detection pin each on product.First driving unit 45 includes examining with the first function
Survey the first driving device 451 that block 461 connects, the second driving device 452 and third that connect with the second Function detection block 462
The third driving device 453 that Function detection block 463 connects.First driving device 451 and the cooperation of the first Function detection block 461 connect
It connects, is set to the top of infeed conveyor 20, to be moved back and forth for the first Function detection block 461 of driving, so that function thereon
It can the contact of detection probe 464 detection/separate corresponding Function detection pin;Second driving device 452 and the second Function detection block
462 are cooperatively connected, third driving device 453 and third Function detection block 463 are cooperatively connected, and are divided into the two of infeed conveyor 20
Side is respectively used to that corresponding second Function detection block 462 and third Function detection block 463 is driven to move back and forth, so that detection block
On the contact of Function detection probe 464 detection/far from corresponding Function detection pin.First driving device 451 is specially motor,
Second driving device 452 and third driving device 453 are cylinder;Each Function detection block is Function detection block pcb board.
Above functions detection unit 44 is by being equipped with multiple function inspection on two Function detection blocks in Function detection part 46
Probing needle, every group of Function detection probe include two Function detection probes 464, to draw for same Function detection in testing product
The different location of foot, i.e. Function detection unit 44 respectively examine the different location of each Function detection pin of product by crosspointer
It surveys, so that the accuracy of detection can be improved.Each group Function detection probe 464 on Function detection unit 44 respectively with it is each on product
Function detection pin is correspondingly arranged, to can realize to the whole same batch of detection of product on jig, improves detection efficiency.In addition,
Using motor as first driving device 451, flexible operation;And when needing repairing, can suitably it rotate, operation easy to repair.
The structure of Function detection unit can be set according to the concrete condition of product to be detected.For example, Function detection unit 44
The first driving unit 45 including the Function detection part 46 and connection driving function detection piece that are made of two Function detection blocks, two
Setting is equipped with multiple function detection probe on a Function detection block, and every group of Function detection probe includes two Function detections
Probe 464, with the different location of Function detection pin same in testing product.First driving unit 45 specifically can be used point
Not Lian Jie two Function detection blocks driving device, such as can be used motor, cylinder or both combination mode;Or optional hand
Refer to that as driving unit, two Function detection block parts are fixedly installed on the clamping jaw of finger for cylinder;Finger cylinder also can be selected
With the mode of motor cooperation.
In addition, to may also comprise other more for every group of Function detection probe for detecting same Function detection pin different location
A Function detection probe 464 improves detection accuracy to detect by the different location to same Function detection pin.
In addition, clip type probe can be used in the Function detection probe 464 on Function detection part 46, to pass through single Probe clip
The mode held, and can single driving of the driving device as Function detection part 46 to realize the accurate detection of Function detection pin
Unit, so as to simplify structure setting while improving detection accuracy.
Second test section 50 is mainly used for carrying out product D.C. resistance detection, i.e. DCR detection.As shown in figure 4, the second inspection
Survey portion 50 includes the second blocking portion 51, second jacking positioning region 52, the second lifting portion 53, bracket 54 and resistance detection unit 55.
Wherein, the second blocking portion 51 is used to stop to veer away the flowing carrier 16 for being equipped with processed product in the second detection station, to carry out
D.C. resistance detection, the specific structure of the second blocking portion 51 are identical as the first blocking portion 41.
Second jacking positioning region 52, the second lifting portion 53 and the two connect function mode, jack positioning region with first respectively
42, the first lifting portion 43 is identical with the connection function mode of the two, repeats no more to this.Feeding passes in second detection station
It send the two sides of band 20 to be additionally provided with jacking-up spacing plate 58, avoids flowing carrier 16 from jacking excessively high, further increase the accuracy of promotion,
Resistance detection unit 55 also be crosspointer resistance detection unit, i.e., using crosspointer to resistance detection pin on product not
The detection of product D.C. resistance is carried out with position.Function detection unit 55 is fixed on bracket 54, specifically includes the second driving unit
56 and resistance detection part 57;Second driving unit 56 includes that the motor 561 being cooperatively connected and finger cylinder 562, motor 561 can drive
Dynamic finger cylinder 562 moves, and resistance detection part 57 is two resistance detection blocks that cooperation is fixed in finger cylinder, two electricity
Two groups of resistance detection probes are equipped in resistance detection block, every group of resistance detection probe includes two resistance detection probes 571,
The different location of same resistance detection pin in testing product, i.e., the resistance detection unit 55 is also by crosspointer respectively to production
The different location of each resistance detection pin of product is detected;Finger cylinder 562 drives resistance detection block to move back and forth, so that resistance
The contact of resistance detection probe 571 detection/separate corresponding resistance detection pin in detection block.
Resistance detection unit 55 further includes fixation member 58, which includes plunger fixed plate and spring-loaded plunger,
The two is fixedly connected, and plunger fixed plate is fixedly connected with finger cylinder 562.Motor 561 drives finger cylinder 562 to drive simultaneously
To be detected product of the fixation member 58 on infeed conveyor 20 moves, and fixation member 58 can play abutting to a certain extent
The effect of product to be detected is compressed, in order to carry out D.C. resistance detection to product.
In addition, being additionally provided with the sliding platform 541 for being parallel to infeed conveyor 20 on bracket 54, the second test section further includes
Third driving unit 59, third driving unit 59 are specially a cylinder, certainly can also be other power devices;Third driving unit
59 connect with resistance detection unit 55, for driving resistance detection unit 55 to move back and forth along sliding platform 541, to cooperate flowing water
The process velocity of other stations of line successively carries out D.C. resistance detection to each product on jig.
According to the concrete condition of product, in other embodiments, every group of resistance detection pin may include other multiple resistance
Detection probe 571, with the different location for the same resistance detection pin of testing product;Or resistance detection probe 571 uses
The mode of intermediate plate probe is detected with realizing the different location to the same resistance detection pin of product, to promote D.C. resistance inspection
The accuracy of survey.Other dynamic structures can also be used in second driving unit 56;The gas being such as equipped with resistance detection part 57
The mode etc. of cylinder or cylinder in conjunction with motor.In addition, the setting of sliding platform 541 and third driving unit 59 can also be cancelled, and
Resistance detection unit 55 is arranged to the structure similar with Function detection unit 44, it can be achieved that multiple products on product jig
With batch whole progress D.C. resistance detection.
Third test section 60 is mainly used for carrying out high pressure detection to product.As shown in figure 5, third test section 60 includes third
Blocking portion 61, third jacking positioning region 62, third lifting portion 63 and high-pressure detection unit 64.Wherein, third blocking portion 61 is used for
Stop the flowing carrier 16 for being placed with processed product in third detection station, to carry out high pressure detection;Third blocking portion 61
Specific structure is identical as the first blocking portion 41.Third jacks positioning region 62, third lifting portion 63 and the two and connects function mode, point
It is not identical as the connection function mode of the first jacking positioning region 42, the first lifting portion 43 and the two, this is repeated no more.
High-pressure detection unit 64 includes the 4th driving unit 65 and the high pressure detection piece for being provided with high pressure detection probe 661
66, the 4th driving unit 65 is specially a motor, and high pressure detection piece 66 includes that high pressure detects pcb board, and high pressure detection probe 661 is set
In on high pressure detection pcb board, the 4th driving unit 65 is connect with high pressure detection piece 66, for driving high pressure detection piece 66 back and forth to transport
It is dynamic, so that the contact of high pressure detection probe 661 detection/far from high pressure detection pin.
In addition, whether third test section 60 further includes damage testing unit 67, with damaged for testing product fly line.It is damaged
Detection unit 67 includes driving device 671 and damage testing part 672, is provided on damage testing part 672 and examines for fly line breakage
The copper billet component 763 of survey, driving device 671 are connect with damage testing part 672, for driving damage testing part 672 to move back and forth,
To contact whether testing product fly line has breakage by copper billet component 673.
The copper billet component 673 in detection probe 661 and damage testing unit 67 on high pressure detection piece 66 is corresponding respectively
Each high pressure detection pin and product fly line are equipped on product, thus can realize the whole same batch of detection to product on jig,
Improve detection efficiency.
As shown in fig. 6, screening unit 70 includes the 4th blocking portion 71, jacking supporting plate 72, the 4th lifting portion 73 and turning-over support
Portion 74, wherein the 4th blocking portion 71 is used to stop to be placed with the flowing carriers 16 of high pressure detection bad products in screening station, with
Sieve takes high pressure to detect bad products, and specific structure and the first blocking portion 41 are essentially identical.Jacking supporting plate 72 is for propping up placement
There is the flowing carrier 16 of high pressure detection bad products, the 4th lifting portion 73 is connect with jacking supporting plate 72, for driving jacking supporting plate
72 elevating movements;Turning-over support portion 74 is set to the top in the 4th lifting portion 73 and infeed conveyor 20, specifically includes two pieces points
Turning-over support plate set on 20 two sides of infeed conveyor.In process of production, underproof product, the 4th resistance are detected for high pressure
The flowing carrier 16 for being placed with product is blocked in screening station by stopper 71, then pushes jacking supporting plate by the 4th lifting portion 73
72 jack flowing carrier 16 upwards, push turning-over support plate to be flipped up in uphill process, when flowing carrier 16 rise to it is suitable
When height, it is detached from turning-over support plate, then turning-over support plate extensive original under Gravitative Loads, the 4th lifting portion 73 drives flowing to carry again
Tool 16 moves downward, and the flowing support of carrier 16 is placed in turning-over support portion 74, to carry out screening out processing.The present embodiment screening unit
Setting structure is simple, easily operated, can improve production efficiency to a certain extent.
As shown in fig. 7, coding portion 80 includes that the 5th blocking portion the 81, the 5th jacks positioning region 82, the 5th lifting portion 83, coding
Mechanism 84 and multi-spindle machining hand 85.Wherein, the 5th blocking portion 81 is placed with product for stopping previous station to send
Carrier 16 is flowed in coding station.The structure of 5th blocking portion 81 and the structure of the first blocking portion 41 are essentially identical.5th jacking
Positioning region 82, the 5th lifting portion 83 and the two connect function mode, respectively with the first jacking positioning region 42, the first lifting portion 43 and
The connection function mode of the two is identical;In addition, the two sides of infeed conveyor 20 are additionally provided with jacking-up spacing plate 86 on coding station.
Multi-spindle machining hand 85 is used to clamp the product to coding to predetermined position, so that code-spraying mechanism 84 carries out coding, and in coding knot
It presss from both sides after beam to blanking portion 30.In the present embodiment, three axle robert is specifically used, which has multiple hold assemblies
851, for the product on batch clamping fixture.Also, rotating mechanism 852 is additionally provided on three axle robert, for inciting somebody to action
It sprays and rotates to the product of coding to predetermined coding face, coding is carried out to feed to code-spraying mechanism 84, so as to promote the flexible of coding
Property.In addition, coding portion 80 further includes dedusting mechanism 87, which is specially dedusting bellows, passes through dedusting bellows
Setting, further the product after coding can be dusted, so that clean outside product.Certainly, in other embodiments,
It can be not provided with coding portion, in the actual production process, setting can be selected according to specific requirement or be not provided with coding portion.
In addition, as shown in fig. 6, screening unit 70 further includes defective products reflux conveyer belt 75, for the transmitting function inspection that flows back
It surveys defective products and D.C. resistance detects defective products.Three axis in the present embodiment, in defective products reflux conveyer belt 75 and coding portion 80
Manipulator is used cooperatively, and detects defective products for Function detection defective products and D.C. resistance, three axle robert clamps defective products
It is placed on defective products reflux conveyer belt, to carry out reflow treatment;And for detecting qualified product, then carry out coding is clamped, coding is complete
Cheng Houzai is placed in blanking portion 90.In addition, can also be by the automatic clamping device that is separately provided with by Function detection defective products and straight
Leakage resistance detection defective products is clamped to defective products reflux conveyer belt 75.
In the present embodiment, the test section that three are used to detect different index parameters is set to same production line, it is whole
Automatic detection processing can be achieved, participated in without artificial, and can realize the automatic back flow circulation of jig, detection processing can be effectively improved
Efficiency.
In other embodiments, may also be configured to include other performance indicator parameter detectings multiple test sections, and for
Crosspointer detection can also be used in the detection that pin is respectively detected in test section, i.e., using crosspointer respectively to the difference of same detection pin
It is detected position;Or detected using clip type probe, to improve the accuracy of detection.
In addition, the utility model product testing assembly line is mainly used in the detection processing of transformer, can also be used in certainly
The detection of other similar product is processed.By the utility model product testing assembly line, it can be achieved that automatic detection is processed and circulation,
Without manually participating in, detection processing efficiency is improved.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by described claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.