CN2692745Y

CN2692745Y - Scanner

Info

Publication number: CN2692745Y
Application number: CN 200320116718
Authority: CN
Inventors: 林宗德
Original assignee: BenQ Corp
Current assignee: BenQ Corp
Priority date: 2003-11-13
Filing date: 2003-11-13
Publication date: 2005-04-13
Anticipated expiration: 2013-11-13

Abstract

A scanner, is used for scanning an object, including a transparent cover, a sensing device, an elastic component and a sliding component, the transparent cover is used for placing the above-mentioned object; a sensing device for scanning the object; the sliding member is pivoted to the sensing device and is connected to the elastic member in a sliding manner, and the elastic force of the elastic member enables the sliding member to push the sensing device to abut against the transparent cover.

Description

Scanner

Technical field

The utility model relates to a kind of scanner, particularly relates to a kind of scanner that can guarantee scanning quality.

Background technology

Fig. 1 a shows a kind of existing contact image scan device (Contact Image Sensor scanner) synoptic diagram, and this kind scanner has upper shell 11, lower house 12, transparency cover 13, bogey 14, guiding rod member 15 and drive unit 16.Upper shell 11 has an opening 111, and transparency cover 13 is arranged at this opening 111, and object to be scanned (not showing on the figure, for example: paper, photograph etc.) just is placed on this transparency cover 13.Bogey 14 is arranged between upper shell 11 and the lower house 12, and inside is provided with contact image sensor (not showing on the figure), across transparency cover 13 object to be scanned that is placed on it is scanned between this contact image sensor.Guiding rod member 15 is arranged on lower house 12 inside, and bogey 14 utilizations are striden the portion of establishing 141 and are connected with guiding rod member 15.Drive unit 16 is arranged in the lower house 12 and with bogey 14 and is connected, and bogey 14 drives by drive unit 16 and moves along guiding rod member 15, in order to finish the scanning to object to be scanned.

The existing contact image scan device internal structure synoptic diagram of Fig. 1 b displayed map 1a.By on Fig. 1 b as can be known, striding the portion of establishing 141 is the bottoms that are formed at bogey 14, and is provided with a plurality of rollers 142 in the both sides, top of bogey 14, in order to contact with transparency cover 13.In addition, bogey 14 is connected with the belt 161 of drive unit 16, makes bogey 14 to drive and to move along guiding rod member 15 by drive unit 16.

Yet, from the above, in existing contact image scan device, distance between bogey and the transparency cover is fixing, therefore, control between it distance and in whole scanning process, be consistent, be positioned on the focal length of contact image sensor to guarantee object to be scanned, no matter being in manufacturing process precision or the caused material slight deformation of temperature variation, all is very difficult.

The utility model content

Therefore, the purpose of scanner of the present utility model is to provide a kind of scanner, addressing the above problem, and improves scanning quality.

The purpose of this utility model is achieved in that promptly provides a kind of scanner, and in order to scan an object, it comprises: one in order to place the transparency cover of this object; One in order to scan the sensing apparatus of this object; One elastic component; And a sliding component, be articulated in this sensing apparatus and slidably be connected in this elastic component, make this sliding component promote this sensing apparatus by the elastic force of this elastic component to replace this transparency cover.

Furtherly, according to scanner of the present utility model, this transparency cover is in order to place object to be scanned; Sensing apparatus, sliding component is articulated in sensing apparatus and slidably be connected in elastic component in order to scan above-mentioned object, elastic force by elastic component makes sliding component promote sensing apparatus to replace transparency cover, simultaneously, sensing apparatus can move along elastic component, to scan above-mentioned object.

In the utility model, sensing apparatus comprises an image sensor and a bearing assembly again, and image sensor is in order to sweep object, and bearing assembly makes sensing apparatus movably be arranged at the below of transparency cover and carries image sensor.

In the utility model, bearing assembly comprises a contact member again, contacts with transparency cover.

In the utility model, contact member is a wear-resistant gasket again.

In the utility model, bearing assembly comprises a pivot again, and sliding component is provided with a hole, and pivot passes hole to articulate bearing assembly and sliding component.

In the utility model, sliding component also comprises an accommodation section again, in order to hold above-mentioned elastic component.

In the utility model, elastic component is a long strip type shell fragment again, and the accommodation section is two flanges, the dual-side of clamping elastic component.

In the utility model, above-mentioned image sensor is contact image sensor (CIS) again.

In the utility model, sliding component has a tabular body and comprises two lugs and two flanges again, and above-mentioned lug is that the dual-side by body extends, and extends flange in the opposite direction of above-mentioned side and lug again.

In the utility model, each lug of sliding component is provided with a hole again, and sensing apparatus comprises a pivot, and pivot passes above-mentioned hole to articulate sensing apparatus and sliding component.

In the utility model, also comprise a drive unit again, be connected, move along this elastic component in order to drive this sensing apparatus, to scan this object with sensing apparatus.

In the utility model, elastic component is a long strip type shell fragment again.

Advantage of the present utility model is, it can be by the setting of above-mentioned elastic component and sliding component, make load-carrying unit close card of energy in whole scanning process the position of object be remained on the focal length of image sensor, thereby improve quality of scanning in transparency cover.

Description of drawings

Fig. 1 a is existing scanner synoptic diagram;

Fig. 1 b is existing scanner synoptic diagram;

Fig. 2 is a scanner internal structure synoptic diagram of the present utility model;

Fig. 3 a is a scanner partial enlarged drawing of the present utility model, the unassembled transparency cover of this fashion;

Fig. 3 b is a scanner partial enlarged drawing of the present utility model, and this moment, transparency cover was assembled;

Fig. 3 c is a scanner partial enlarged drawing of the present utility model.

Embodiment

Below with specific embodiment, each form content that the utility model is disclosed is described in detail.

Referring to Fig. 2, describe scanner of the present utility model in detail.Similarly, scanner of the present utility model also has housing, and all devices and the assembly that constitute scanner are to be arranged in the housing, will not give unnecessary details.Fig. 2 shows scanner internal structure three-dimensional exploded view of the present utility model, and scanner of the present utility model comprises transparency cover 23, sensing apparatus, elastic component 25 and sliding component 27.In the present embodiment, sensing apparatus comprises bearing assembly 24 and image sensor (showing on the figure), and image sensor be contact image sensor (Contact Image Sensor, CIS).

Can place object to be scanned (not showing on the figure, for example can be paper, photo etc.) on the transparency cover 23.Bearing assembly 24 is arranged on transparency cover 23 belows, and inside is provided with image sensor, and image sensor scans across 23 pairs of objects of transparency cover.Connecting portion 241 and pivot 242 are arranged at bearing assembly 24 bottoms, and the belt 261 of drive unit 26 is connected with the connecting portion 241 of bearing assembly 24, so drive unit 26 can drive bearing assembly 24.Sliding component 27 has flat body 271, two 272,272 and two flanges 273,273 of lug, two lugs the 272, the 272nd are extended by two sides of body 271, and also being two sides by body 271, extend two flanges 273,273, the direction of two flange 273,273 extensions is opposite with the direction that two lugs 272,272 extend, one hole 274 is arranged on each lug 272, and the pivot 242 of above-mentioned bearing assembly 24 passes hole 274 to articulate bearing assembly 24 and sliding component 27.And in the present embodiment, elastic component 25 is a long strip type shell fragment, and two flanges 273,273 of sliding component 27 just clamp the dual-side of elastic component 25.

Scanner of the present utility model is via after the above-mentioned assembling, elastic force by elastic component 25, can make sliding component 27 promote that bearing assemblies 24 are replaced, closely connected transparency cover 23, the distance that image sensor in the bearing assembly 24 just can be maintained fixed with object, so guarantee to as if be positioned on the focal length of image sensor.Simultaneously, bearing assembly 24 can move along elastic component 25 by the driving of drive unit 26, makes image sensor can scan whole object.

Please cooperate again referring to Fig. 3 a, Fig. 3 b and Fig. 3 c, Fig. 3 a shows the synoptic diagram when bearing assembly 24 is connected with elastic component 25, the unassembled transparency cover 23 of this fashion, so elastic component 25 is not out of shape, the upper surface of bearing assembly 24 is to be higher than the position that transparency cover 23 is about to assemblings.Again, also being provided with contact member 244 on bearing assembly 24, for example is a wear-resistant gasket, and bearing assembly 24 contacts with transparency cover 23 by contact member 244.Fig. 3 b shows after transparency cover 23 assemblings, bearing assembly 24 by transparency cover 23 to lower compression, the position of elastic component 25 drops to solid line position by the dotted line position on the figure, that is to say, elastic component 25 produces distortion because of pressing down of transparency cover 23, thereby producing a recovery elastic force that makes progress, the utility model is by this recovery elastic force, forces bearing assembly 24 replacing transparency cover 23.See also Fig. 3 c again, after showing that assembling is finished, transparency cover 23 is uneven state with elastic component 25, and the sliding component 27 between bearing assembly 24 and the elastic component 25, passed the hole 274 of sliding component 27 and articulated by the pivot 242 of bearing assembly 24, therefore the recovery elastic force that just can utilize elastic component 25 to be produced still can contact bearing assembly 24 with transparency cover 23 keeping parallelisms.Thus, scanner of the present utility model just can make bearing assembly 24 closely connected in transparency cover 23 in whole scanning process, makes the position of object be positioned on the focal length of image sensor, to guarantee the optical quality of scanner.Again by the driving of drive unit 26, bearing assembly 24 is moved along elastic component 25 afterwards, make image sensor can finish scanning sequence.

Claims

1. A scanner for scanning an object, characterized in that it comprises: a transparent cover for placing the object; a sensing device for scanning the object; an elastic member; and a sliding member, the pivot Connected to the sensing device and slidably connected to the elastic member, the sliding member can push the sensing device against the transparent cover.

2. The scanner according to claim 1, wherein the sensing device comprises an image sensor for scanning the object and a carrying component, and the carrying component carries the image sensor and enables the sensing device to The movable means is arranged under the transparent cover.

3. The scanner as claimed in claim 2, wherein the carrier assembly comprises a contact member, which is in contact with the transparent cover.

4. The scanner as claimed in claim 3, wherein the contact member is a wear-resistant gasket.

5 . The scanner as claimed in claim 2 , wherein the bearing component comprises a pivot, and the sliding member is provided with a hole, and the pivot passes through the hole to pivotally connect the bearing component and the sliding member.

6. The scanner as claimed in claim 5, wherein the sliding member is further provided with an accommodating portion for accommodating the elastic member.

7 . The scanner according to claim 6 , wherein the elastic member is an elongated elastic piece, the receiving portion is two flanges, and each flange clamps two sides of the elastic member.

8. The scanner of claim 2, wherein the image sensor is a contact image sensor (CIS).

9. The scanner according to claim 1, wherein the sliding member comprises a flat body portion, two lugs and two flanges, each lug extending from two sides of the body portion, The flanges are also extended on the sides opposite to the lugs.

10. The scanner according to claim 9, wherein each lug of the sliding member is provided with a hole, and the sensing device comprises a pivot shaft passing through the hole to pivotally connect the A sensing device and the sliding member.

11. The scanner as claimed in claim 1, further comprising a driving device for driving the sensing device to move along the elastic member, connected to the sensing device.

12. The scanner as claimed in claim 1, wherein the elastic member is a strip-shaped elastic piece.