CN2300924Y - Improvement of the structure of the penetrating optical scanning machine - Google Patents

Abstract

The improved structure of transmission-type optical scanner includes optical device in the scanner body, original manuscript bearing glass, driving device for driving said optical device to make forward and backward movement and upper lamp source device, and is mounted over the original manuscript bearing glass for providing the transmission light required by optical scanner.

Description

Improvement of the structure of the penetrating optical scanning machine

The invention relates to an improvement of the structure of a transmissive optical scanning machine, which belongs to the field of optical applications.

There are two kinds of existing penetrating optical scanning machines, one is a fixed upper light source structure, such as (USPat. , so that the intensity of light received by each part of the transparent sheet is uneven, and the color and shade of the scanned image are distorted; the other is a mobile upper light source structure, such as (US Pat.NO.4879604) and (US Pat.NO.5241378 ) is mainly provided with an upper cover B (Figure 1) on the scanning machine A, and an upper light source and a driving motor, a transmission pulley set or a screw set, a guide rod or a slide rail and other related Positioning components or electronic control components, etc., use two driving motor groups to drive the optical device inside the scanning machine and the upper light source in the upper cover to move and scan synchronously, which can get a better scanning effect, but this method has two sets of drivers , Transmission and positioning mechanism, complex structure, difficult positioning of upper and lower light source synchronous movement, large and heavy upper cover, high manufacturing, assembly and transportation costs, high power consumption, and should be improved.

The purpose of this utility model is to provide a penetrating optical scanning machine, which can be miniaturized, simple in structure, lower in cost, lower in power consumption, adopt a group of transmission devices to drive the optical and upper light source devices to move back and forth in the body, and the upper The light source device can be of rotary type, has an upper cover and no guide slot.

The purpose of this utility model can be achieved through the following measures. The scanner body includes: an optical device, a manuscript carrying glass, and a transmission device that can drive the optical device to move back and forth. The first and second brackets are respectively located at the left and right ends of the upper light source, and are connected and combined with the optical device. The transmission device can simultaneously drive the optical device and the upper light source device to move back and forth synchronously. The purpose of this utility model can also be achieved by the following measures. A guide groove is respectively set on the left and right sides of the body, and a connecting bolt is provided on the first and second brackets; the first and second brackets pass through the connecting bolts respectively. The guide grooves on the left and right sides of the main body are connected with the optical device inside the main body, and only through the transmission device, the optical device and the upper light source device can be driven to move back and forth synchronously along the direction of the guide groove; There is a connecting shaft under the side end, and the second bracket is provided with a shaft seat corresponding to the connecting shaft, and there is a matching structure between the other side end of the upper light source device and the first bracket, which can be opened and closed at will. There is a fixed seat at the front end of the side of the main body close to the second bracket, and the same engaging structure as that on the first bracket is provided on the fixed seat, the upper light source device can be rotated with the connecting shaft as the fulcrum; the upper light The source device, the original supporting glass, the optical device and the bracket are all installed in the main body. There is a liftable upper cover on the top of the main body. There are supporting frames at the front and rear ends of the main body. The original supporting glass is placed on the supporting frame. The optical device is integrated with the brackets on the left and right sides of the original supporting glass and the upper light source device, and a transmission device simultaneously drives the optical device and the upper light source device to move back and forth inside the body.

The utility model has the advantages of miniaturization of equipment, adoption of a group of transmission devices, simple equipment, low cost, less power consumption, and a rotatable upper light source device.

Description of drawings:

Fig. 1 is a schematic diagram of an existing transmissive optical scanner with an upper cover

Fig. 2 is a diagram of an embodiment of the utility model penetrating optical scanning machine

Figure 3 is a cross-sectional view of 1.1 in Figure 2

Figure 4 is a partial exploded view of the second embodiment of the present invention

Fig. 5 is the second embodiment of the utility model in a fixed state diagram

Fig. 6 is the schematic diagram of the third embodiment of the utility model

Fig. 7 is a side view sectional view of the fourth embodiment of the utility model

Fig. 8 is a front sectional view of the fourth embodiment of the utility model

Now with reference to the accompanying drawings, the utility model embodiment is described in detail as follows:

The utility model refers to an optical scanning machine which can scan a transparent film or a negative film, and the improvement on the lamp source structure. The first embodiment (Fig. 2, Fig. 3) includes a scanner body 17 and an upper light source device 2, a transparent original carrying glass 23 is placed on the body 17, and guide grooves 21 are respectively arranged on the left and right sides of the plane, and there are The optical device 20 can turn the light into an image through the lens, and use an electrical coupling element to convert the imaged optical signal into a digital signal for computer memory and processing; the transmission device 22 includes a motor and related transmission components, which can drive the optical device 20 on the body Move back and forth in 17 to scan, control or locate mechanical and electronic components such as optical device 20 and transmission device 22; the upper light source device 2 is installed on the top of the original carrying glass 22, and the left and right sides are respectively provided with first and second supports 8, 11 , the upper light source 5 is used for the penetrating light required by the scanning machine to scan the transparent sheet, the first and second brackets 8, 16 are located on the left and right sides of the body 17, and the brackets 8, 11 are respectively provided with a connecting bolt 6, which passes through the connecting bolt 6 After the guide grooves 21 on both sides of the main body 17, they are connected and assembled on both sides of the optical device 20; when the transmission device 22 drives the optical device 20 to move back and forth in the main body 17, it can drive the upper light source device 2 to move forward and backward synchronously along the direction of the guide grooves. Mobile scanning; the utility model can synchronously drive the optical device 20 and the upper light source device 2 with only one set of transmission device 22, which has the advantages of simple structure, less components, less power consumption, and low manufacturing cost. There is no need to install any transmission device. In addition to its small size, it is also light in weight, easy to carry and store, and reduces transportation costs. In another embodiment (Fig. 4), the upper light source device 3 is rotatable (other numbers are still the same as the previous ones), and a connecting shaft 15 is mainly arranged under one side end of the upper light source device 3, And the second bracket 12 is provided with a shaft seat 14 correspondingly matched with the connecting shaft 15, and there is a snap fit between the lower end of the other side of the upper light source device 3 and the upper end of the first bracket 9, which can be correspondingly matched and can be opened and closed at will. Structure 16, a fixed seat 24 is provided at the front end of the body 17 near one side of the second bracket 12. When the upper light source device 3 is combined on the brackets 9 and 12, the engaging mechanism 16 and the connecting shaft 15 and the shaft seat The combination of 14 can have the effect of fixing and positioning, and the circuit installed in the connecting shaft 15 can be used for power transmission, and the upper light source device 3 can be connected to the optical fiber by combining the brackets 9, 12 and the same connecting bolt 6 as the previous embodiment. On the device 20, it moves synchronously with it for scanning; when transporting or moving the scanner, in order to prevent the upper light source device 3 from easily shaking back and forth along the guide groove 21 during the transportation process, causing damage to the optical device 20 or electronic and optical components, The connecting shaft 15 at one end of the upper light source device 3 can be used as a fulcrum to rotate it counterclockwise 90 degrees (Fig. 5) so that the other end of the upper light source device 3 is engaged with the fixing seat 24, and the fixing seat 24 is also provided with the same as the first The engaging structure 16 on the bracket 9 can fix the upper light source device 3 on the second bracket 12 and the fixing seat 24, so as to prevent the front, rear, left, and right shaking during transportation; the third embodiment (Fig. 6) can connect the connecting bolt 7 to the The matching state between brackets 8 and 11 is designed to rotate conditionally. For example, when the scanning machine is in a normal state, the connection between the connecting bolt 7 and the brackets 8 and 11 becomes stuck and fixed through the tenon structure. When moving the scanning machine, press the connecting bolt 7 Loosen the tenon structure, so that the brackets 8, 11 together with the upper light source device 4 fixed thereto rotate to the rear end of the main body with the connecting bolt 7 as the axis, and a seat 25 can be provided at the rear end of the main body 18 to fix the upper light source device 4 , can prevent shaking during handling, and can also make the volume small and easy to carry. The fourth embodiment (Fig. 7, Fig. 8) has a loam cake 28, without guide groove, is mainly that the upper light source device 2, the manuscript carrying glass 23, the optical device 20 and the brackets 10, 13 are installed in the body 19, and the A liftable upper cover 28 is provided above the main body 19. The upper cover 28 is a flat plate, which is light and thin and does not take up space. It can prevent dust from entering the main body 19. Support frames 26, 27 are respectively provided at the front and rear ends of the main body 19. , the original carrying glass 23 is mounted on the main body 19 on 26, 27; the optical device 22 extends upwards from the left and right sides of the original carrying glass 23 by the brackets 10, 13 and is integrated with the upper light source device 2. This structure only uses A transmission device 22 can simultaneously drive the optical device 20 and the upper light source device 2 to move back and forth inside the main body 17; A cover 28 that can be flipped and closed is arranged above, therefore, there is no need to provide guide grooves on the body 19 , and dust can be prevented from entering the inside of the body 19 .

To sum up, the utility model can simultaneously drive the optical device and the upper light source device into synchronous mobile scanning with only one set of transmission devices, and has the advantages of fewer components, simple structure, less power consumption, low cost and easier maintenance. Significant improvement over the prior art.

Claims (4)

1, a kind of improvement of penetration optical scanning device structure is made up of scanning machine body and last light source device, and it is characterized in that: the scanning machine body comprises: optical devices, an original copy bearing glass and can drive the gearing that optical devices move forward and backward; Last light source device is contained in original copy bearing glass top, comprise lamp source on, one first support and one second support, first and second support lays respectively at the two ends, the left and right sides in lamp source and is connected combination with optical devices, can drive optical devices simultaneously and go up light source device with this gearing to move forward and backward synchronously.

2, the improvement of penetration optical scanning device structure according to claim 1 is characterized in that: respectively establish a guide groove on the left and right sides two side faces of body, and respectively be provided with a coupling bar at first and second support; First and second support passes behind the guide groove of the body left and right sides and is connected combination with the optical devices of body interior by coupling bar respectively, only needs via gearing, can drive optical devices simultaneously and go up light source device to move forward and backward synchronously along the direction of guide groove.

3, the improvement of penetration optical scanning device structure according to claim 1, it is characterized in that: go up light source device one side below and be provided with a coupling shaft, and second support be provided with one with the axle bed of this coupling shaft corresponding matching, being provided with one between another side of last light source device and first support matches and the random snap-in structure of switch, side front end at close second support of body has a holder, being same as snap-in structure set on first support being provided with on the holder, can be that fulcrum is done spinning movement with the coupling shaft with going up light source device.

4, the improvement of penetration optical scanning device structure according to claim 1, it is characterized in that: go up light source device, original copy bearing glass, optical devices and support and be contained in the body entirely, but the body top is provided with the loam cake of a lifting type, the rear and front end respectively is provided with bracing frame in body, and original copy bearing glass frame is on bracing frame; Optical devices are combined into one by the support and the last light source device of the original copy support glass left and right sides, and a tool gearing just drives optical devices simultaneously and goes up light source device and moves forward and backward in body interior.

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