Utility model content
The purpose of this utility model is to provide a kind of Glass scriber, and the Glass scriber has simple and compact for structure, work
Make stabilization, dependable performance, line precision height, the advantages that production efficiency is high.
To achieve these goals, the utility model provides a kind of Glass scriber, and the Glass scriber includes:
Marking-off table, the marking-off table are used to transmitting and supporting glass;
Drive device, the drive device, which includes the cross-brace frame that is across above the marking-off table of driving, makes it along described
The zigzag tread patterns system of the bearing of trend movement of marking-off table and driving are indulged to be made across the longitudinal bracing frame above the marking-off table
Its laterally driven system moved along the bearing of trend perpendicular to the marking-off table;
Chalker, the chalker are multiple, are respectively arranged in the cross-brace frame and the longitudinal bracing frame, with
The glass being pointed on the marking-off table carries out longitudinal direction line and laterally line;
Positioner, the positioner are used to before glass line position glass.
Preferably, the marking-off table includes drive roll, driven voller and transmitted by the drive roll and driven voller
Conveyer belt, the conveyer belt is provided with the perforate being used for by glass described in vacuum suction or high pressure air supporting.
Preferably, the lower section of the top section between the drive roll and driven voller positioned at the conveyer belt is provided with air supporting
Platform, the air floating table are provided with the air drain that is connected with the perforate, the air drain respectively with vacuum air-channel system and high-pressure gas circuit system
System is connected.
Preferably, the air floating table is formed as hollow casing.
Preferably, the zigzag tread patterns system includes horizontal driving shaft, horizontal driven pulley and is set in described laterally main
It is located on moving axis and horizontal driven pulley and respectively a pair of longitudinal belts of the marking-off table both sides, the both ends of the cross-brace frame
It is connected to the pair of longitudinal belt;
The laterally driven system includes longitudinal driving shaft, longitudinal driven pulley and is set in longitudinal driving shaft and indulges
It is located on to driven pulley and respectively a pair of horizontal belts at the marking-off table both ends, the both ends of the longitudinal bracing frame connect respectively
In the pair of horizontal belt.
Preferably, the zigzag tread patterns system includes being used to guide the cross-brace frame mobile and respectively along the pair of
A pair of extended longitudinal rails of the direction of transfer of longitudinal belt;The laterally driven system includes being used to guide the longitudinal direction
A pair of mobile and extended along the direction of transfer of the pair of horizontal belt respectively cross slide ways of support frame.
Preferably, the chalker is including knife rest, the cutter head being installed on below the knife rest and described for driving
The drive mechanism that knife rest moves up and down.
Preferably, the drive mechanism include support base, be vertically arranged to the support base rail assembly, can be along institute
State sliding block and the adjusting means for adjusting the sliding block highly and being locked that rail assembly moves up and down, the knife rest
It is installed on the sliding block.
Preferably, the chalker also includes the pressure regulating device that can adjust the cutter head score pressure, the pressure regulator
Structure includes above the knife rest and can driven the pressure regulation cylinder that the cutter head moves up and down, is located at the knife rest two respectively
Two pairs of connecting rods that side and in the vertical direction compartment of terrain be arranged in parallel, one end difference of the close knife rest of connecting rod described in each pair
Connecting rod axis connection by level through the knife rest, one end of the close sliding block of connecting rod described in each pair are passed through by level respectively
It is through at the connecting rod axis connection of the sliding block.
Preferably, the positioner includes carrying out the glass horizontal positioning device of located lateral and to the glass
Glass carries out the longitudinal positioning device of longitudinal register, wherein,
The horizontal positioning device include can in the horizontal direction along perpendicular to the marking-off table bearing of trend back and forth
Mobile horizontal roller and the located lateral wheel that can vertically move up and down, the horizontal roller and located lateral wheel
Be located at the both sides of the marking-off table respectively, the located lateral wheel include it is multiple, and along the bearing of trend interval of the marking-off table
Distribution;
The longitudinal positioning device include can along longitudinal roller that the bearing of trend of the marking-off table moves back and forth and
The longitudinal register wheel that can vertically move up and down, longitudinal roller and longitudinal register wheel are located at the marking-off table respectively
Both ends.
Preferably, the horizontal roller can be moved up and down vertically, and the located lateral wheel can be in level side
Rotate up, longitudinal roller can be moved up and down vertically.
Preferably, the horizontal positioning device also includes being used for the transverse supporting roller for limiting the horizontal roller downstream position,
The longitudinal positioning device also includes being used for the longitudinal support roller for limiting longitudinal roller downstream position.
Preferably, the Glass scriber also includes being used for the clearing apparatus for cleaning the conveyer belt.
Preferably, the clearing apparatus includes lifting support, the storage dirt case above the lifting support, positioned at described
Store the base above dirt case and be installed on the cleaning brush of the base, set between the bottom of the base and the storage dirt case
Flexible part, the elastic component are arranged to the cleaning brush being close to the lower surface of the underclad portion of the conveyer belt.
Preferably, guide rail is provided between the lifting support and the storage dirt case, the storage dirt bottom portion is provided with energy
Enough guide wheels slided along the guide rail.
Preferably, the storage dirt case includes the drawer for dust.
Compared with prior art, Glass scriber of the present utility model has simple and compact for structure, working stability, performance can
Lean on, the advantages that precision of ruling is high, production efficiency is high.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model Glass scriber;
Fig. 2 is the structural representation of marking-off table in Fig. 1;
Fig. 3 is the structural representation of drive device in Fig. 1;
Fig. 4 is the structural representation of chalker in Fig. 1;
Fig. 5 is the schematic diagram at another visual angle of chalker in Fig. 4;
Fig. 6 is the structural representation of positioner in Fig. 1;
Fig. 7 is the structural representation of clearing apparatus in Fig. 1.
Description of reference numerals
The drive roll of 100 marking-off table 101
The conveyer belt of 102 driven voller 103
The perforate of 104 air floating table 105
The cross-brace frame of 200 drive device 210
211 horizontal 212 horizontal driven pulleys of driving shaft
The longitudinal rail of 213 longitudinal belt 214
215 horizontal belt clamps 216 laterally adjust rail assembly
The longitudinal bracing frame of 217 lateral adjustments cylinder 220
221 longitudinal 222 longitudinal driven pulleys of driving shaft
The 223 horizontal cross slide ways of belt 224
225 longitudinal belts press from both sides 226 longitudinally adjusted rail assemblies
The chalker of 227 longitudinally adjust cylinder 300
The knife rest of 301 cutter head 302
The rail assembly of 303 support base 304
The pressure regulation cylinder of 305 sliding block 306
The pitman shaft of 307 connecting rod 308
The pressure regulation cylinder supports seat of 309 lift cylinder 310
The regulation handle of 311 handle set 312
The positioner of 313 locking nut 400
The 411 horizontal located lateral wheels of roller 412
The transversal stretching cylinder of 413 transverse supporting roller 414
415 rotation and lifting cylinder, 416 horizontal lift cylinder
421 longitudinal longitudinal register wheels of roller 422
423 longitudinal longitudinal extension cylinders of support roller 424
425 amplitude modulation cylinder, 426 longitudinal lift cylinder
The lifting support of 500 clearing apparatus 501
The base of 502 storage dirt case 503
The elastic component of 504 cleaning brush 505
The 506 adjustment guide rails of axle 507
The drawer of 508 guide wheel 509
600 glass
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, top, bottom " used is generally
Refer in a state of use it is upper and lower, top, bottom." transverse direction " refer in the horizontal direction perpendicular to marking-off table extension direction
(direction as shown in x-axis in Fig. 1)." longitudinal direction " refers to the bearing of trend (direction as shown in y-axis in Fig. 1) of marking-off table.
The utility model provides a kind of Glass scriber, and the Glass scriber includes:
Marking-off table 100, the marking-off table 100 are used to transmitting and supporting glass;
Drive device 200, the drive device 200 include the cross-brace frame that driving is across the top of marking-off table 100
210 make the zigzag tread patterns system that its bearing of trend along the marking-off table 100 moves and driving vertical across the marking-off table 100
The longitudinal bracing frame 220 of top makes its laterally driven system moved along the bearing of trend perpendicular to the marking-off table 100;
Chalker 300, the chalker 300 are multiple, are respectively arranged in the cross-brace frame 210 and the longitudinal direction
Support frame 220, longitudinal direction line is carried out with the glass being pointed on the marking-off table 100 and laterally rule;
Positioner 400, the positioner 400 are used to before glass line position glass.
Fig. 1 shows a kind of embodiment of the utility model Glass scriber, compared with prior art, the utility model
Glass scriber there is simple and compact for structure, working stability, dependable performance, line precision is high, production efficiency is high.
The various pieces of the utility model Glass scriber are specifically described separately below:
First, marking-off table 100
Marking-off table 100 is mainly used in transmitting and supporting glass, as shown in Fig. 2 marking-off table 100 includes drive roll 101, driven
Roller 102 and the conveyer belt 103 transmitted by the drive roll 101 and driven voller 102, the conveyer belt 103 are provided with
For the perforate 105 by glass described in vacuum suction or high pressure air supporting.In the meta of the drive roll 101 and driven voller 102
Air floating table 104 is provided with the lower section of the top section of the conveyer belt 103, the air floating table 104 is provided with to be connected with the perforate 105
Logical air drain, the air drain are connected with vacuum air-channel system and high-pressure gas circuit system respectively.
The air floating table 104 can be formed as hollow casing, make it have inner plenum, the air chamber and vacuum air-channel system
System is connected with high-pressure gas circuit system, opens up some air drains in the upper surface of casing, the position of air drain preferably with the perforate 105
One-to-one corresponding communicates, so that exterior space communicates with the air chamber of casing.In addition, in order to improve the quality of glass line, case
Body upper surface is preferably provided with higher flatness.
During work, motor (being not drawn into figure) drives the drive roll 101 to rotate and drive the conveyer belt 103 by Fig. 2
Middle double-head arrow direction motion, the centre of the conveyer belt 103 is supported by the upper surface of the air floating table 104, when air chamber and high pressure
When air-channel system communicates, the upper surface of conveyer belt 103 can form air supporting layer and float glass, so that the glass after carrying out positions
Operation, when air chamber communicates with vacuum air-channel system, glass can be adsorbed in the upper surface of conveyer belt 103, to be rule
Operation.
2nd, drive device
As shown in figure 3, the zigzag tread patterns system includes horizontal driving shaft 211, horizontal driven pulley 212 and is set in institute
A pair of the longitudinal belts 213 for being located at the both sides of marking-off table 100 on horizontal driving shaft 211 and horizontal driven pulley 212 and respectively are stated,
The both ends of the cross-brace frame 210 are connected to the pair of longitudinal belt 213.So described cross-brace frame 210 can
Move back and forth under the drive of a pair of longitudinal belts 213 along the y-axis direction shown in Fig. 1, so as to realize the longitudinal direction line to glass.
The laterally driven system includes longitudinal driving shaft 221, longitudinal driven pulley 222 and is set in the longitudinal direction actively
It is located on axle 221 and longitudinal driven pulley 222 and respectively a pair of horizontal belts 223 at the both ends of marking-off table 100, the longitudinal direction branch
The both ends of support 220 are connected to the pair of horizontal belt 223.So described longitudinal bracing frame 220 can be at a pair laterally
Move back and forth under the drive of belt 223 along the x-axis direction shown in Fig. 1, so as to realize the transverse direction line to glass.
In order to improve the stability and linearity of cross-brace frame 210 and longitudinal bracing frame 220 movement, so as to ensure
The linearity and perpendicularity of line, the zigzag tread patterns system include being used to guide the cross-brace frame 210 to move and distinguish
A pair of the longitudinal rails 214 extended along the direction of transfer of the pair of longitudinal belt 213;The laterally driven system includes
For guide the longitudinal bracing frame 220 to move and respectively along the pair of horizontal belt 223 direction of transfer be extended
A pair of cross slide ways 224.
According to a kind of embodiment of the present utility model, the both ends of the cross-brace frame 210 pass through horizontal belt clamp 215
It is connected with the pair of longitudinal belt 213, the both ends of the longitudinal bracing frame 220 press from both sides 225 the pair of horizontal strokes by longitudinal belt
Connected to belt 223.
In addition, the horizontal driving shaft 211 and longitudinal driving shaft 221 in above-mentioned can be driven by different motors respectively, make it
A pair of longitudinal belts 213 and a pair of horizontal belts 223 are driven to realize the rectilinear movement of y-axis and x-axis both direction respectively, so as to band
The dynamic chalker 300 being installed on cross-brace frame 210 and longitudinal bracing frame 220 completes line work.
Drive device of the present utility model is made up of x-axis and the orthogonal laterally and longitudinally drive system of y-axis, its
In, longitudinal rail 214 and cross slide way 224 are preferably provided with higher linearity and mutual perpendicularity, the linearity and
Perpendicularity will directly determine the rule linearity and perpendicularity of bar.
When assembling the Glass scriber, one end of the cross-brace frame 210 can be arranged to arch, to avoid
It is interfered with longitudinal bracing frame 220.
In addition, for the ease of two kinds of different sizes of line glass when amplitude modulation use, can also be in the cross-brace frame 210
Upper installation laterally adjusts rail assembly 216 and lateral adjustments cylinder 217, is installed on the longitudinal bracing frame 220 longitudinally adjusted
Rail assembly 226 and longitudinally adjust cylinder 227, furthermore it is also possible to utilize percentage table look-up adjustment position error.When electric software
When being equipped with numerical control function, the line operation of special-shaped glass can also be carried out.
3rd, chalker 300
As illustrated in figures 4-5, the chalker 300 includes knife rest 302, is installed on the cutter head 301 of the lower section of knife rest 302
And the drive mechanism for driving the knife rest 302 to move up and down.
According to a kind of embodiment of the present utility model, the drive mechanism include support base 303, be vertically arranged to it is described
The rail assembly 304 of support base 303, the sliding block 305 that can be moved up and down along the rail assembly 304 and described for adjusting
The height of the sliding block 305 and adjusting means being locked, the knife rest 302 are installed on the sliding block 305.
Wherein, the regulation handle 312 that the adjusting means may include locking nut 313 and be connected on handle set 311,
Wherein regulation handle 312 can adjust the bottom dead center position of sliding block 305, and adjusting can be by locking nut behind the position of sliding block 305
313 are locked.
The chalker 300 also includes the pressure regulating device that can adjust the score pressure of cutter head 301, the pressure regulating device
Including above the knife rest 302 and pressure regulation cylinder 306 that the cutter head 301 moves up and down can be driven, being located at institute respectively
Two pairs of connecting rods 307 that the both sides of knife rest 302 and in the vertical direction compartment of terrain be arranged in parallel are stated, connecting rod 307 is close described in each pair
One end of the knife rest 302 is connected by level through the pitman shaft 308 of the knife rest 302 respectively, connecting rod 307 described in each pair
Connected respectively by level through the pitman shaft 308 of the sliding block 305 close to one end of the sliding block 305.
Wherein, connecting rod 307, pitman shaft 308, knife rest 302, sliding block 305 form the parallel four-bar linkage of precision, can make knife
First 301 move up and down in the presence of pressure regulation cylinder 306.Pressure regulation cylinder supports seat 310 is used to support pressure regulation cylinder 306.Guide rail
Assembly 304 can connect support base 303, sliding block 305, can make to be arranged on sliding block 305 by the effect of lift cylinder 309
All parts move up and down.
In above-mentioned, the lift cylinder 309 can drive the sliding block 305 to move up and down, so that the band of the sliding block 305
The knife rest 302 is moved to lift;The rail assembly 304 play the guiding role, and can ensure precision of ruling;The pressure regulation cylinder 306
Whether contact of the break bar with glass on cutter head can not only to be controlled, the score pressure of break bar, pressure regulation cylinder 306 can also be adjusted
Supply air pressure can be controlled by precise pressure regulating valve, by electric programme-control pressure regulator valve, can make up due to the upper table of air floating table 104
Pressure error caused by the injustice of face, ensure that the uniform depth of line is consistent;The shaft centerline of cutter head 301 and the point of contact of break bar are not
On the same line, slightly one a small amount of free degree of break bar, the mildness of break bar line and the stabilization of walking can so be improved
Property;The taper of break bar otch and the width of the edge of a knife can determine with depth according to the hardness and thickness of glass.
4th, positioner 400
As shown in fig. 6, the positioner 400 includes carrying out the glass horizontal positioning device of located lateral and right
The glass carries out the longitudinal positioning device of longitudinal register, wherein, the horizontal positioning device includes can be in the horizontal direction
Along perpendicular to the horizontal roller 411 that moves back and forth of bearing of trend of the marking-off table 100 and can vertically on move down
Dynamic located lateral wheel 412, the horizontal roller 411 and located lateral wheel 412 are located at the both sides of the marking-off table 100 respectively,
The located lateral wheel 412 is spaced apart including multiple along the bearing of trend of the marking-off table 100;The longitudinal register dress
Put longitudinal roller 421 including that can move back and forth along the bearing of trend of the marking-off table 100 and can vertically on
The longitudinal register wheel 422 of lower movement, longitudinal roller 421 and longitudinal register wheel 422 are located at the two of the marking-off table 100 respectively
End.
In addition, the horizontal roller 411 can also be moved up and down vertically, the located lateral wheel 412 can be
Rotated in horizontal direction, longitudinal roller 421 can be moved up and down vertically.Wherein, the fortune of the horizontal roller 411
Dynamic to be driven by transversal stretching cylinder 414 and horizontal lift cylinder 416, the motion of the located lateral wheel 412 can be risen by rotation
Sending down abnormally ascending cylinder 415 is driven, and the motion of longitudinal roller 421 can be driven by longitudinal extension cylinder 424 and longitudinal lift cylinder 426.
The horizontal positioning device can also include being used for the transverse supporting roller for limiting the downstream position of horizontal roller 411
413, the longitudinal positioning device can also include being used for the longitudinal support roller 423 for limiting the downstream position of longitudinal roller 421.Its
In, the transverse supporting roller 413 and longitudinal support roller 423 at work can be by being pressed on the conveyer belt 103 respectively to described
Horizontal roller 411 and longitudinal roller 421 carry out spacing.
For ease of carry out two kinds or not the positioning of dimensions glass when luffing use, the positioner can also include amplitude modulation
Cylinder 425 (referring to Fig. 6).
When installing the positioner, the mechanism of horizontal roller 411 and located lateral wheel 412 can be directly mounted at frame
On, the mechanism of longitudinal roller 421 and longitudinal register wheel 422 may be mounted on longitudinal supporting frame 220.
Positioner of the present utility model is made up of two sets of positioners of transverse direction and longitudinal direction, wherein having a base in often covering
Certainly position, its position be it is fixed, corresponding thereto be float positioning, it compensates glass using the compressibility of cylinder
Scale error.Specifically, the longitudinal register wheel 422 is longitudinal origin reference location wheel, and the located lateral wheel 412 is laterally
Origin reference location wheel, longitudinal roller 421 is longitudinal floating locating wheel, and the horizontal roller 411 is that horizontal floating is determined
Position wheel.All of above locating wheel is all liftable, and when without positioning work, each locating wheel rises, to prevent from hindering glass
The motion of glass.In addition, above-mentioned locating wheel can use the flexible materials such as excellent power glue to be made.
According to a kind of embodiment of the present utility model, specifically, as shown in fig. 6, a horizontal roller 411 and two horizontal strokes
Three fulcrum located laterals are formed to locating wheel 412;One longitudinal roller 421 and a longitudinal register wheel 422 form two fulcrums and indulged
To positioning.
5th, clearing apparatus 500
As shown in fig. 7, the clearing apparatus 500 can be used for the conveyer belt 103 for cleaning Glass scriber.The clearing apparatus
500 may include lifting support 501, the storage dirt case 502 above the lifting support 501, above the storage dirt case 502
Base 503 and be installed on the cleaning brush 504 of the base 503, the bottom of the base 503 and the storage dirt case 502 it
Between be provided with elastic component 505, the elastic component 505 is arranged to the cleaning brush 504 being close to the lower floor of the conveyer belt 103
Partial lower surface (beneficial to impurity such as the stronger glass chip dust of the adhesion for removing transmission belt surface).
Wherein, the elastic component 505 can be holddown spring.The height of the lifting support 501 can be as needed by pacifying
Adjusted loaded on adjustment axle 506 thereon.
For the ease of storing the movement of dirt case 502, it can set and lead between the lifting support 501 and the storage dirt case 502
Rail 507, in the guide wheel 508 that the bottom installation of the storage dirt case 502 can be slided along the guide rail 507.
In addition, cleaning brush can use the soft woolen materials such as felt to be made, there is preferably embedding Tibetan property can't draw for it
Wound transmission belt surface.The storage dirt case 502 can also include the drawer 509 for dust, can so be easy to topple over it is clear
The dust swept.
According to a kind of embodiment of the present utility model, Glass scriber of the present utility model at work, glass 600 from
Host computer is sent on conveyer belt 103, and conveyer belt 103 stops after glass to be sent to the middle appropriate location of air floating table 104, connects
High-pressure gas circuit system opening, glass, which floats, leaves conveyer belt 103;Latter two right rotation and lifting cylinder 415 rises and towards opposite
Direction is rotated by 90 ° so that two located lateral wheels 412 swing on conveyer belt 103 and contacted with a line of glass;Then, laterally
Lift cylinder 416 declines, and transversal stretching cylinder 414, which stretches out, drives horizontal roller 411 to advance (towards the located lateral wheel 412
Side), contacted with another opposite side of glass, the lateral attitude of such glass just determines;And then, longitudinal bracing frame
The related parts such as 220 drive longitudinal register wheels 422, longitudinal roller 421 move on to the middle part of glass, longitudinal lift cylinder
426 decline, and longitudinal extension cylinder 424 advances (towards the side of the longitudinal register wheel 422), longitudinal roller 421 is contacted glass
To opposite is pushed glass until the opposite side of glass encounters longitudinal register wheel 422 in one side of glass, and the lengthwise position of glass just determines;
Afterwards, disconnect high-pressure gas circuit system and open vacuum air-channel system, such glass falls on conveyer belt 103 and held, connects again
The corresponding mechanism for longitudinal roller 421, horizontal roller 411, located lateral wheel 412 etc. returns to initial position, and such glass is determined
Position work is just fully completed.After positioning terminates, longitudinal supporting frame 220, lateral support frame 210 are acted successively, and drive is installed thereon
Chalker 300 it is for linear motion, when cutter head 301 enters the original position of glass scribe area, the band of lift cylinder 309
Dynamic all parts on sliding block 305 decline;The knife rest 302 of the pressure of pressure regulation cylinder 306 afterwards makees parallel descending motion, this
When cutter head 301 on break bar pressure on the glass surface;It will make with the motion of longitudinal supporting frame 220 and lateral support frame 210
Break bar cuts glass surface certain depth, and this depth can be controlled by the air pressure of accurate adjustment pressure regulation cylinder 306,
Cut channel in length and breadth is thus cut out on the upper surface of one block of glass to come;With related components such as rear blades 301 in longitudinal supporting frame
220 and lateral support frame 210 drive under return to original state.After line, glass is sent to by conveyer belt 103 and breaks disconnected station, when
After glass completely disengages out conveyer belt 103, vacuum air-channel system is cut off.
Compared with prior art, Glass scriber of the present utility model has advantages below:Positioning precision is high, score pressure
It is uniform and adjustable, it is particularly suitable for the line of ultra-thin glass;Efficiency of dust collection is high, can meet process of glass requirement;That rules is straight
Dimension and perpendicularity precision are higher, can reduce the allowance of follow-up grinding step;It is compact-sized simple, working stability, performance
Reliably, production efficiency is high.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.