CN2765409Y - Automatic optical machine fixer for image scanning device - Google Patents

Abstract

The utility model relates to an automatic fixed device which is arranged on the bottom of a bare engine of an image scanner and comprises a stopping block and a clamping component. A driving belt driving the bare engine to move is partially arranged between the stopping block and the clamping component, when the scanner is moved and the bare engine bears the impact force, a clamping unit in the clamping component moves towards the stopping block and clamps the driving belt to enable the bare engine to be positioned; thereby, the purpose that the bare engine is fixed can be achieved.

Description

The ray machine automatic fixer of device of image scanning

Technical field

The utility model relates to a kind of automatic fixer, refers in particular to be used on the device of image scanning, for example falt bed scanner, paper feeding scanner, photocopier or the like.When the ray machine of this device of image scanning was subjected to impulse force, for example when moving or be subjected to rocking, this automatic fixer clipping automatically connected the belt of this ray machine, made this ray machine do not produced the moment vibrations with fixed.

Background technology

General device of image scanning, scanner for example, its basic composition is to set the transparent scanning window of putting for file above body, and establishes ray machine in this body interior group, has the combination of guide rod and drive system at least.By the running of this drive system, can drive this ray machine and move back and forth, and make this ray machine carry out image scan the file on the scanning window along this guide rod.

Because this ray machine can move back and forth, thus when moving this device of image scanning, this ray machine can because move so produce vibrations, or produce crash scenario with this guide rod.For the assembly that is fitted in ray machine inside, vibrations that moment is excessive or collision strength, the assembly relative position of ray machine inside is changed, or cause the crooked situation of formation between this ray machine and this guide rod, so resulting image information quality just can obviously be affected after carrying out image scan.

The device of image scanning of existing part is equipped with locked instrument at present, makes the ray machine of this device of image scanning can be fixed on enable position by this.Therefore before moving this device of image scanning, the user must operate this locked instrument earlier to fix this ray machine, so when moving this device of image scanning, just can make the assembly maintenance relative position to each other in this ray machine, and can avoid this ray machine itself and this guide rod to produce collision by this.

Yet, above-mentioned locked instrument must rely on artificial memory and control, in case forgetting, the user this locked instrument to be locked, when then carrying this scanning means, just can't exempt this ray machine and produce the situation of moment vibrations or collision, for the device of image scanning of stressing high precision, provide automatic generation fixedly the function of ray machine be necessary design.

The utility model content

In view of the existing problem of aforementioned background art, the purpose of this utility model is to provide a kind of ray machine automatic fixer of device of image scanning, mainly be to utilize principle of inertia, make when moving device of image scanning, automatic fixer can be fixed this ray machine automatically, reach by this need not artificially remember and the people for manual operation, can guarantee this ray machine unlikely because being subjected to impulse force adjacent with other or mutually the assembly assembly produce and collide.

In order to reach aforementioned utility model purpose, the technological means that the utility model used is to provide a kind of ray machine automatic fixer of device of image scanning, and it comprises:

Be fixed on the stop block and the blocking assembly that is arranged on the ray machine bottom surface of the ray machine bottom surface of scanning means.Wherein this stop block has the protuberance of at least two place's standing shapes, and this blocking assembly is relative with this stop block, and in order to drive driving belt that this ray machine moves between this blocking assembly and this stop block.

When this ray machine is subjected to external force and moment when producing the trend of vibrations, because an end of this blocking assembly of effect of inertia can be towards this stop block displacement, this driving belt can be clamped under the collocation of this blocking assembly and this stop block, so limit this ray machine not with the assembly of adjacent or the mutual assembly situation that bumps.

According to last described content, the effect that the utility model can obtain is as follows:

1, the utility model lays respectively at the design of driving belt both sides by this blocking assembly and stop block; make when ray machine is subjected to external force generation moment vibrations; can be under action of inertia; make this blocking assembly beat displacement and push this driving belt to stop block; and clamp this driving belt and splendid auto-lock function is provided with this stop block and this blocking assembly, performance is fixing ray machine and protect ray machine not because of being shaken impaired effect in time.

2, the utility model is exempted the inconvenience of artificial memory and manual manipulation fully; when the operator moves the image scanning device; just can start this blocking assembly immediately with fixing ray machine; so the utility model is the fixing means of ray machine automatically; not only can provide bigger convenience, more can provide thorough safeguard protection ray machine to the user.

Description of drawings

Fig. 1 is the partial structurtes figure of ray machine in scanner.

Fig. 2 unabridged version utility model is arranged at the schematic perspective view of ray machine bottom surface.

Fig. 3 is a three-dimensional assembly exploded view of the present utility model.

Fig. 4 is the disposition-plan of the utility model in the ray machine bottom surface.

Fig. 5 is the action plane figure of the utility model blocking assembly generation effect.

Fig. 6 is the other direction action plane figure of the utility model blocking assembly generation effect.

Fig. 7 is the plane graph that another embodiment of the utility model is arranged on the ray machine bottom surface.

Fig. 8 is that the utility model Fig. 7 embodiment shows that the action of blocking assembly generation effect is flat and schemes.

Fig. 9 is another configuration of Fig. 4 embodiment of the present invention.

Figure 10 is another configuration of Fig. 7 embodiment of the present invention.

Embodiment

As shown in Figure 1, disclose the local constitutional diagram of device of image scanning among the figure, for example the local combination appearance figure of scanner.Assembly has ray machine 14 in the following body 12 of this scanner 10, and then assembly has assemblies such as light source, a plurality of reflecting optics and image sensor in these ray machine 14 inside.This ray machine 14 cooperates with driving belt 16 in addition, and can move back and forth along guide rod 18 under the drive of this driving belt 16.

Shown in Fig. 2,3, the utility model designs a kind of ray machine automatic fixer 20, and it is set at the bottom surface 142 of ray machine 14.This ray machine automatic fixer 20 includes stop block 22, and it is installed in the bottom surface 142 of this ray machine 14, and is positioned at a side of this driving belt 16, and this stop block 22 is being formed with two protuberances 222 to a side that should driving belt 16.

This ray machine automatic fixer 20 comprises blocking assembly 24 again.This blocking assembly 24 is set at the opposite side of this driving belt 16.The blocking unit that this blocking assembly 24 is made of two rollers 242, and form by the elastic reset assembly common combination that torque spring 244 is constituted.Wherein the center 246 of this torque spring 244 articulates with the bottom surface 142 of this ray machine 14 and combines, and so this torque spring 244 can center 246 be an axle, makes two ends do the lever swing.And this roller 242 is organized the two ends that are located at this torque spring 244 respectively, and to should stop block 22.It should be noted that this roller 242 is the ends that are fitted in this torque spring 244 with eccentric manner.This roller 242 can move along projected path and in order to make respectively, offer the conduit 144 of two arching trajectorys in the bottom surface 142 of this ray machine 14, and these roller 242 surfaces are provided with the guide rod 248 of protrusion to bottom surface 142 that should ray machine 14, and this guide rod 248 is set in this conduit 144 inside.

As shown in Figure 4, this stop block 22 and this blocking assembly 24 all be located at the bottom surface 142 of this ray machine 14 after, then this driving belt 16 is positioned at 242 on the roller of this stop block 22 and this blocking assembly 24.And not being subjected to momentum effect in this scanner integral body, this roller 242, this driving belt 16 and this stop block 22 do not contact mutually.

As shown in Figure 5, when moving moment that this scanner produces direction shown in arrow in the drawing during impulse force, the roller 242 in this blocking assembly 24 can produce relative motions with this stop block 22 because of effect of inertia.When this roller 242 during towards the 22 place directions motions of this stop block, these torque spring 244 1 sides form is had elastic-restoring force by pressure condition, and this roller 242 these driving belts 16 of compacting synchronously.Because these roller 242 eccentric groups are located at this torque spring 244 ends, so this roller 242 is rotated and is crossed the protuberance 222 of this stop block 22, make that this driving belt 16 can be by protuberance 222 clippings of this roller 242 and this stop block 22, and then make the ray machine 14 formation positioning states that link with this driving belt 16.

And the impulse force of working as moment disappears, and the restoring force that this torque spring 244 provided can impel this roller 242 oppositely to cross this protuberance 222 and get back to initial position.

As shown in Figure 6, disclose when this ray machine 14 is subjected to the impulse force of other direction among the figure, this roller 242 is crossed the protuberance 222 of this stop block 22, and cooperates this stop block 22 to come the schematic diagram of this driving belt 16 of clipping with this roller 242.

As shown in Figure 7, another kenel of this blocking assembly 24 is made up of centering block 241 and torque spring 244.Wherein this centering block 241 is blocks of making V-type, and the centre position 243 of this V-block body and the center 246 of this torque spring 244 are in correspondence with each other.Wherein the centre position 243 of this centering block 241 is hubbed on the bottom surface 142 of this ray machine 14, and the center 246 of this torque spring 244 is installed in the pivot points of this centering block 241 and this ray machine 14, makes that the both sides of this torque spring 244 can the elasticity activity.

Each self-forming adjutage 245 of the both sides in the centre position 243 of this centering block 241 again, the end of each adjutage 245 all forms fastening end 247, and is provided with the nose bar 249 of projection near surface each fastening end 247.The two ends of this torque spring 244 rest on respectively on this nose bar 249.

In addition, these centering block 241 surfaces can be provided with the guide rod (not shown) as last embodiment to bottom surface 144 that should ray machine 14, and guide rod is set in the conduit of being offered this ray machine bottom surface 142.

As shown in Figure 8, when ray machine 14 is subjected to impulse force, then this centering block 241 makes an adjutage 245 towards these stop block 22 motions owing to inertia is swung.This adjutage 245 presses this torque spring 244 1 sides, make this torque spring 244 have elastic-restoring force, and the fastening end 247 of this adjutage 245 cooperates the protuberance 222 of this stop block 22 with this driving belt 16 of clipping, thus, can obtain locating effect with the ray machine 14 that this driving belt 16 links.

When external impulse force disappearance, this torque spring 244 can drive these centering block 241 swings automatically with aforesaid elastic-restoring force and be returned to initial condition.

As Fig. 9 and shown in Figure 10, a side 224 of the disclosed stop block 22 of the utility model can not form any projection structure, and 224 pairs of this sides should driving belt 16 and blocking assembly 24.Cause blocking assembly 24 1 ends to be flapped toward driving belt 16 when ray machine 14 is subjected to impulse force, then roller 242 or fastening end 247 can cooperate the side 224 of stop block 22 to form clamping action, and driving belt 16 is fixing.

The various embodiments described above configuration notes and does not undermine driving belt 16 surfaces, therefore the assembly of stop block 22 and roller 242, or the assembly of stop block 22 and fastening end 247, wherein can select stop block 22 to make, or select roller 242, fastening end 247 to make with flexible material with flexible material.Flexible material can be rubber or sponge and so on.

With this stop block 22 is that flexible material is made for example, at the contact position of this roller 242 with this stop block 22, or the contact position of this fastening end 247 and this stop block 22, can form concavity in the side 224 of this stop block 22 because of the material behavior of stressed and soft materials, it is effectively fixing that driving belt 16 is obtained.

The disclosed structure of above the utility model, do not need artificial special operation, move the jarring forces that this scanner produces but directly utilize, it is hereby ensured and shaking each time under the excessive situation, can in time produce automatically the fixedly effect of ray machine, reach and prevent that ray machine is because of being shaken the effect of damaging.In addition, the function of being somebody's turn to do automatic fixedly ray machine is after jarring forces disappears, should the automatic fixedly function of ray machine also can automatically terminate, make ray machine can automatically reply into transportable state, therefore the user does not need to remove fixed function by special mode of operation, really can be easier than the device of general fixedly ray machine in the operation.

The foregoing description only is illustrative technology of the present utility model and effect thereof, but not is used to limit the utility model.Any those of ordinary skill in the art all can be under the situation of know-why of the present utility model and spirit, and the foregoing description is made amendment and changed, and therefore protection range of the present utility model should described in the past claim be as the criterion.

Symbol description

10 scanners

12 times bodies

14 ray machines

142 bottom surfaces

144 conduits

16 driving belts

18 guide rods

20 ray machine automatic fixers

22 stop blocks

222 protuberances

224 sides

24 blocking assemblies

241 centering blocks

242 rollers

243 centre positions

244 torque springs

245 adjutages

246 centers

247 fastening ends

248 guide rods

249 nose bars

Claims (22)

1, a kind of ray machine automatic fixer of device of image scanning is located at the bottom surface of ray machine, and correspondingly is used for driving the driving belt that this ray machine moves, and it is characterized in that this ray machine automatic fixer includes:

Stop block is installed in described ray machine bottom surface, and is positioned at a side of described driving belt; And

The blocking assembly is assembled in described ray machine bottom surface, and its correspondence is relative with described stop block at the opposite side of described driving belt, is formed by blocking unit and elastic reset combination of components at least, and described blocking unit is connected with described elastic reset assembly;

Described ray machine is subjected to the described relatively stop block in the then described blocking of impulse force unit to produce displacement, and cooperate described stop block to clamp described biography belt, make described ray machine keep the location, described elastic reset assembly produces restoring force, and impulse force then returns back to original position with described blocking unit when disappearing.

2, the ray machine automatic fixer of device of image scanning as claimed in claim 1, it is characterized in that, described blocking unit is provided with guide rod at least, and the bottom surface of described ray machine is offered and is had at least conduit to place for the described guide rod of described blocking unit, so that described blocking unit can move along the track that described conduit sets.

3, the ray machine automatic fixer of device of image scanning as claimed in claim 1, it is characterized in that, the described elastic reset assembly of described blocking assembly is a torque spring, and described blocking unit is meant two rollers, the center of described torque spring is installed in the bottom surface of described ray machine, and the both sides of described torque spring can elastics wing, and described second wheel is organized the end that is located at described torque spring both sides respectively.

4, ray machine automatic fixer as claimed in claim 3 is characterized in that, described roller is the two ends that are fitted in described torque spring with eccentric manner.

5, the ray machine automatic fixer of device of image scanning as claimed in claim 1, it is characterized in that, the described blocking unit of described blocking assembly is a centering block, described elastic reset assembly is a torque spring, wherein said centering block forming V-shape piece, the centre position of described V-arrangement centering block and the bottom surface of described ray machine articulate, described centering block can be swung, the end of the formed adjutage in both sides, described centering block centre position then respectively forms fastening end with the described stop block of correspondence, then be installed in the pivot points of described centering block and described ray machine as for the center of described elastic reset assembly, and the two ends of described elastic reset assembly contact with the described fastening end of described centering block.

6, the ray machine automatic fixer of device of image scanning as claimed in claim 5 is characterized in that, the surface of each fastening end of contiguous described centering block is provided with nose bar, and the two ends of described torque spring rest on respectively on each described nose bar.

7, the ray machine automatic fixer of device of image scanning as claimed in claim 1 is characterized in that, a side of the corresponding described driving belt of described stop block is formed with two place's protuberances.

8, the ray machine automatic fixer of device of image scanning as claimed in claim 1 is characterized in that, it is to make with flexible material that described stop block and described blocking unit have at least a kind of.

9, the ray machine automatic fixer of device of image scanning as claimed in claim 8 is characterized in that, described flexible material is rubber or sponge.

10, a kind of ray machine automatic fixer of device of image scanning is located at the bottom surface of ray machine, and corresponding to drive the driving belt that described ray machine moves, and it is characterized in that described ray machine automatic fixer includes:

Stop block is installed in described ray machine bottom surface, and is positioned at a side of described driving belt;

The blocking assembly, formed by two rollers and a torque spring, the centre position of wherein said torque spring is installed in the bottom surface of described ray machine, and that each described roller set fits over the two ends of described torque spring is relative with described stop block with the opposite side of the described driving belt of correspondence;

Described ray machine is subjected to impulse force, then under effect of inertia, one of them roller and described torque spring displacement, and cooperate described block to clamp described driving belt with described roller, and make described ray machine keep the location, described torque spring produces restoring force, and impulse force then returns back to original position with described roller when disappearing.

11, as the ray machine automatic fixer of device of image scanning as described in the claim 10, it is characterized in that, the surface of each described roller all is provided with a guide rod, and the bottom surface of described ray machine offers two conduits and places for the guide rod of described roller respectively, so that described roller can move along the track that described conduit sets.

12, the ray machine automatic fixer of device of image scanning as claimed in claim 10 is characterized in that, each described roller is the end that is fitted in described torque spring with eccentric manner.

13, the ray machine automatic fixer of device of image scanning as claimed in claim 10 is characterized in that, a side of the corresponding described driving belt of described stop block is formed with two place's protuberances.

14, the ray machine automatic fixer of device of image scanning as claimed in claim 10 is characterized in that, it is to make with flexible material that described stop block and described roller have at least a kind of.

15, the ray machine automatic fixer of device of image scanning as claimed in claim 14 is characterized in that, described flexible material is rubber or sponge.

16, a kind of ray machine automatic fixer of device of image scanning is located at the bottom surface of ray machine, and corresponding to drive the driving belt that described ray machine moves, and it is characterized in that described ray machine automatic fixer includes:

Stop block is installed in described ray machine bottom surface, and is positioned at a side of described driving belt;

The blocking assembly, formed by centering block and torque spring, the centre position of wherein said centering block is hubbed on the bottom surface of described ray machine, the centre position of described torque spring then is installed in the position of described centering block and the pivot joint of described ray machine, each self-forming adjutage of the both sides in described in addition centering block centre position, the end of each described adjutage forms fastening end and is positioned at the opposite side of described driving belt relative with described stop block, and the two ends of described torque spring then rest on the close position of described fastening end;

Above-mentioned described ray machine is subjected to impulse force, then under effect of inertia, one end simultaneous displacement of one end of described centering block and described torque spring, and cooperate described block to clamp described driving belt with the fastening end after the displacement, and make described ray machine keep the location, described torque spring produces restoring force, and impulse force then returns back to original position with described fastening end when disappearing.

17, the ray machine automatic fixer of device of image scanning as claimed in claim 16 is characterized in that, described centering block is made into vee-block, and both sides form adjutage.

18, the ray machine automatic fixer of device of image scanning as claimed in claim 16 is characterized in that, each adjutage of described centering block is provided with the two ends of the described torque spring of nose bar confession by putting near the surface of fastening end.

19, the ray machine automatic fixer of device of image scanning as claimed in claim 16, it is characterized in that, the surface of the corresponding described ray machine of described each adjutage bottom surface all is provided with guide rod, and the bottom surface of described ray machine offers two conduits and places for the guide rod of described centering block respectively, so that the adjutage of described centering block can move along the track that described conduit sets.

20, the ray machine automatic fixer of device of image scanning as claimed in claim 16 is characterized in that, a side of the corresponding described driving belt of described stop block is formed with two place's protuberances.

21, the ray machine automatic fixer of device of image scanning as claimed in claim 16 is characterized in that, it is to make with flexible material that the fastening end of described stop block and described centering block has at least a kind of.

22, the ray machine automatic fixer of device of image scanning as claimed in claim 21 is characterized in that, described flexible material is rubber or sponge.

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