CN219304888U

CN219304888U - Entry and exit card scanning device

Info

Publication number: CN219304888U
Application number: CN202223212148.0U
Authority: CN
Inventors: 刘海; 郑嵩; 闵鹏; 韩家伟
Original assignee: Guilin Entry Exit Border Checkpoint Of China; Shenzhen Emperor Technology Co Ltd
Current assignee: Guilin Entry Exit Border Checkpoint Of China; Shenzhen Emperor Technology Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-04
Anticipated expiration: 2032-11-30

Abstract

The utility model provides an entry and exit card scanning device, which comprises a shell and a scanning device; the scanning device is connected with the shell and comprises a fixed frame, an upper conveying mechanism and a lower conveying mechanism which are connected with the inside of the fixed frame, and a paper feeding channel is formed between the upper conveying mechanism and the lower conveying mechanism; the shell comprises a main box body and a flip cover. According to the entrance and exit card scanning device, the main box body and the flip buckle on the shell are detachable, the mounting window is arranged on one side of the long side direction of the main box body, the mounting window is spliced with the fixing frame of the scanning device, the stability of connection between the main box body and the scanning device is improved, and dislocation caused by shaking of the scanning device in the shell is avoided. And flip and the first breach concatenation of main tank body, first deflector and second deflector form the exit slot of direction paper in the casing inside for the overall structure who obtains entry card scanning device is compacter, and overall structure is small.

Description

Entry and exit card scanning device

Technical Field

The utility model relates to the field of scanning equipment, in particular to entry and exit card scanning equipment.

Background

The scanner is mainly used as one of the input devices, and has the functions of scanning the appearance of written materials or objects such as pictures, photos, films, manuscript data and the like, inputting the appearance into a computer, and forming a document for storage; for example, an entry-exit card scanner (i.e., entry-exit card scanning device), a side inspection worker uses the scanner to automatically scan and enter a series of information such as the identity of a passenger on an entry-exit card, the entry destination, the flight of a passenger, the residence location in the environment, and the like, without the need of manual entry one by the worker, thereby reducing the workload of data entry.

The current scanner on the market is provided with a roller scanner and a plane scanner, wherein the plane scanner is used for scanning by arranging a flip cover structure to place materials or objects, so that a user needs to perform frequent flip cover operation when scanning a large number of manuscripts, and the flat scanner occupies a large space and is inconvenient to operate. The roller scanner comprises a shell, a scanning device, a battery device and a paper guide device, wherein the scanning device is used for scanning materials, the scanning device and the battery device are arranged in the shell, the battery device supplies power to the scanning device, and the paper guide device is an upper bracket arranged at the top end of the shell and a lower bracket arranged at the side edge of the shell. The existing roller scanner is provided with a paper guide device outside the shell, so that the scanner is huge in size; and overall structure stability is not high, and scanning device passes through materials such as cylinder structure transport paper, easily produces not hard up owing to vibrations between scanning device and the casing, leads to scanning accuracy to drop, leads to even the condition of the connection card paper of paper guide device and scanning device, inconvenient use.

It is desirable to provide an entry and exit card scanning device to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model provides an entry and exit card scanning device, which aims to solve the problems that in the prior art, the structural design of the entry and exit card scanning device is easy to loosen due to vibration between a scanning device and a shell, and the stability of the whole structure is low and paper jam is easy to occur.

In order to solve the technical problems, the technical scheme of the utility model is as follows: an entry and exit card scanning device comprising:

a housing;

the scanning device is arranged in the shell and comprises a fixed frame, an upper conveying mechanism and a lower conveying mechanism, wherein the upper conveying mechanism and the lower conveying mechanism are connected with the inside of the fixed frame, and a paper feeding channel is formed between the upper conveying mechanism and the lower conveying mechanism; and

wherein, the casing includes:

the main box body is provided with a mounting window on one side in the long side direction, the top end of the main box body is provided with a first opening, the top end of the main box body is also provided with a first notch, the first notch is communicated with the first opening, the main box body is provided with a first guide plate corresponding to the position of the first notch, and the bottom end of the first guide plate is abutted to the top end of the fixed box body; and

the turnover cover is clamped with the first opening, a second guide plate is further arranged at the bottom end of the turnover cover, and the second guide plate is arranged opposite to the first guide plate to form a paper outlet;

the scanning device is arranged in the main box body, one side of the fixed frame is spliced with the mounting window, a first limit groove is further formed in the top end of the fixed frame, the bottom end of the second guide plate is spliced with the first limit groove, and the paper feeding channel is communicated with the paper outlet.

In the utility model, clamping grooves are oppositely arranged on the left side and the right side of the main box body, and the flip cover comprises:

the fixing plate is used for sealing the first opening, and the top surface of the fixing plate is flush with the top surface of the main box body; and

the clamping plates are arranged in two groups, the two groups of clamping plates are respectively connected with two sides of the fixing plate, the two groups of clamping plates are oppositely arranged on two sides of the left and right directions of the main box body, and the two groups of clamping plates are respectively clamped with the two groups of clamping grooves.

In the utility model, second limit grooves are also oppositely arranged on the left side and the right side of the main box body, the second limit grooves are positioned in the clamping grooves, and the top ends of the second limit grooves are communicated with the first openings;

the flip cover further comprises a limit column, the limit column is connected with the inner side of the clamping plate, the limit column comprises a first end portion and a second end portion connected with the bottom end of the first end portion, the first end portion is in butt joint with the first opening, and the second end portion is in butt joint with the second limit groove.

In the utility model, the other side of the long side direction of the main box body is provided with a second opening,

the housing further includes a rear cover detachably connected to the second opening.

In the utility model, a first supporting plate is arranged at one side, close to a mounting window, of the inside of the main box body, the first supporting plate supports the bottom end at one side of the fixed frame, a first mounting piece is arranged at one side, close to the rear cover, of the main box body, and the first mounting piece is positioned below the fixed frame;

the inside support that still includes of casing, the support is located the fixed frame is kept away from installation window one side, the support includes:

the first mounting plate is positioned at the top of the bracket and is connected with one side of the fixed frame, which is far away from the mounting window, by bolts;

the second mounting plate is positioned at the bottom of the bracket and connected with the first mounting piece, and the plane at the bottom end of the first mounting plate is flush with the plane at the top end of the second mounting plate; and

the second supporting plate is connected with the bottom end of the first mounting plate and the top end of the second mounting plate, and the top surface of the second supporting plate supports the bottom surface of the fixed frame.

In the utility model, a port hole is arranged on the rear cover, a protection groove is arranged on the outer side of the rear cover, and the port hole is arranged in the protection groove; and the rear cover is provided with a protection bulge corresponding to the protection groove, and the protection bulge is abutted with the side wall of the fixed frame.

In the utility model, a positioning column is arranged at the top end of the fixed frame; the bottom end of the fixing plate is provided with a positioning block, the bottom end of the positioning block is provided with a splicing groove, and the positioning block is spliced with the positioning column through the splicing groove.

In the utility model, a first buckling groove is formed in the bottom of the inner side of the clamping plate, and a first bulge is arranged on the outer side of the clamping plate corresponding to the position of the first buckling groove;

the outer side of the main box body is provided with a second buckling groove corresponding to the first buckling groove.

In the utility model, the side edge of the first opening is provided with the second bulge, the side edge of the fixing plate is provided with the positioning groove, and the second bulge is clamped with the positioning groove.

In the utility model, the height of one end of the clamping plate, which is far away from the mounting window, is gradually reduced by taking the top surface of the fixing plate as a reference.

Compared with the prior art, the utility model has the beneficial effects that: according to the entrance and exit card scanning device, the main box body and the flip buckle on the shell are detachable, the mounting window is arranged on one side of the long side direction of the main box body, the mounting window is spliced with the fixing frame of the scanning device, the stability of connection between the main box body and the scanning device is improved, and dislocation caused by shaking of the scanning device in the shell is avoided. The first opening joint of flip and main tank forms the paper outlet between first deflector and the second deflector, has the effect of direction paper, and the second deflector is spacing with the first spacing groove joint on fixed frame top for flip is spacing to scanning device, avoids the paper jam phenomenon that the junction dislocation of paper outlet and paper feed passageway leads to, prevents that the paper from blockking up at the paper outlet.

In the embodiment, two sides of the shell in the long side direction are directly clamped with the fixed frame of the scanning device, so that the phenomenon that the scanning device is offset due to dislocation of vibration and the shell is avoided; and with first deflector and the second deflector setting of direction paper in the inside of casing, second deflector and fixed frame top joint have not only promoted the stability that scanning device and casing are connected, make the overall structure who obtains entry card scanning device compacter moreover, overall structure is small.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.

Fig. 1 is a perspective view of a preferred embodiment of the entry and exit card scanning device of the present utility model.

Fig. 2 is a top view of a preferred embodiment of the entry and exit card scanning device of the present utility model.

Fig. 3 is a cross-sectional view at A-A of fig. 2.

Fig. 4 is a sectional view at B-B of fig. 2.

Fig. 5 is an exploded view of a preferred embodiment of the entry and exit card scanning device of the present utility model.

Fig. 6 is an exploded view 2 of a preferred embodiment of the entry and exit card scanning device of the present utility model.

Fig. 7 is a schematic diagram of a flip cover structure of a preferred embodiment of the entry and exit card scanning device of the present utility model.

Reference numerals: 1. a housing; 1a, a mounting window; 1b, a paper outlet; 11. a main case; 111. a first opening; 112. a first guide plate; 113. a clamping groove; 114. the second limit groove; 115. a second protrusion; 116. a second buckling groove; 117. a first support plate; 118. a first mounting member; 12. a flip cover; 121. a second guide plate; 122. a fixing plate; 123. a clamping plate; 124. a limit column; 125. a heat sink; 126. a positioning block; 127. a positioning groove; 128. a first protrusion; 13. a rear cover; 131. a port hole; 132. a protective groove; 133. a protective protrusion; 14. a bracket; 141. a first mounting plate; 142. a second mounting plate; 143. a second support plate; 2. a scanning device; 2a, a paper feeding channel; 21. a fixed frame; 211. a first limit groove; 212. positioning columns; 213. a mounting groove; 3. a power supply device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the drawings, like structural elements are denoted by like reference numerals.

The words "first," "second," and the like in the terminology of the present utility model are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.

Referring to fig. 1, 2, 3 and 4, fig. 1 is a perspective view of a preferred embodiment of the entry and exit card scanning device of the present utility model. Fig. 2 is a top view of a preferred embodiment of the entry and exit card scanning device of the present utility model. Fig. 3 is a cross-sectional view at A-A of fig. 2, the power supply device 3 not being shown in fig. 3. Fig. 4 is a sectional view at B-B of fig. 2. The front-rear direction as indicated in fig. 1 is the longitudinal direction of the housing 1 in the present embodiment.

The following is a preferred embodiment of an entry and exit card scanning device provided by the present utility model that solves the above technical problems.

The preferred embodiment of the entry and exit card scanning device provided by the utility model is as follows: an entry and exit card scanning device comprises a shell 1, a scanning device 2 and a power supply device 3; the scanning device 2 and the power supply device 3 are arranged inside the shell 1, the scanning device 2 is positioned above the power supply device 3, the power supply device 3 is connected with the scanning device 2, and the power supply device 3 is used for supplying power to the scanning device 2. The scanner 2 includes a fixed frame 21, an upper conveying mechanism and a lower conveying mechanism connected to the inside of the fixed frame 21, and a paper feed path 2a is formed between the upper conveying mechanism and the lower conveying mechanism.

Wherein the housing 1 comprises a main housing 11 and a flip 12; the scanning device 2 is disposed in the main housing 11, and the mounting window 1a is disposed on one side of the housing 11 in the longitudinal direction, and the fixing frame 21 is inserted into the mounting window 1a, preferably, the fixing frame 21 in the embodiment is flush with the outer wall of the housing 1. The top end of the main box body 11 is provided with a first opening 111, the top end of the main box body 11 is also provided with a first notch, the first notch is communicated with the first opening 111, the position of the main box body 11 corresponding to the first notch is provided with a first guide plate 112, and the bottom end of the first guide plate 112 is abutted with the top end of the fixed frame 21; the flip 12 is clamped with the first opening 111, a second guide plate 121 is further arranged at the bottom end of the flip 12, and the second guide plate 121 and the first guide plate 112 are arranged oppositely to form a paper outlet 1b.

Further, a first limiting groove 211 is further provided at the top end of the fixing frame 21, the bottom end of the second guide plate 121 is inserted into the first limiting groove 211, and the paper feeding channel 2a is communicated with the paper outlet 1b.

The shell 1 in the embodiment is buckled and detachable with the flip 12 through the main box 11, so that the assembly is convenient; the installation window 1a is arranged on one side of the long side direction of the main box body 11, the installation window 1a is spliced with the fixed frame 21 of the scanning device 2, the stability of connection between the main box body 11 and the scanning device 2 is improved, and dislocation caused by shaking of the scanning device 2 in the shell 1 is avoided. After the flip cover 12 is clamped with the main box 11, a paper outlet 1b is formed between the first guide plate 112 and the second guide plate 121, and the first guide plate 112 and the second guide plate 121 have the function of guiding paper. And the second guide plate 121 is clamped and limited with the first limiting groove 211 at the top end of the fixed frame 21, so that the turnover cover 12 limits the scanning device 2, the paper jam phenomenon caused by dislocation of the connection part of the paper outlet 1b and the paper feeding channel 2a is avoided, and the paper is prevented from being blocked at the paper outlet 1b.

In the embodiment, two sides of the long side direction of the shell 1 are directly clamped with the fixed frame 21 of the scanning device 2, so that the phenomenon that the scanning device 2 is offset with the shell 1 due to vibration is avoided; and with the first deflector 112 and the second deflector 121 setting of direction paper in the inside of casing 1, second deflector 121 and fixed frame 21 top joint have not only promoted the stability that scanning device 2 was connected with casing 1, make the overall structure who gets into the card scanning equipment in addition compacter, overall structure is small, is convenient for place and uses at the business front stage.

The structure of the housing 1 in this embodiment is explained in detail as follows with reference to fig. 4, 5, 6 and 7:

in this embodiment, the two sides of the main case 11 in the left-right direction are oppositely provided with clamping grooves 113, and the flip cover 12 includes a fixing plate 122 and a clamping plate 123: the fixing plate 122 closes the first opening 111, and the top surface of the fixing plate 122 is flush with the top surface of the main box 11; the two sets of clamping plates 123 are provided, the two sets of clamping plates 123 are respectively connected with two sides of the fixed plate 122, the two sets of clamping plates 123 are oppositely arranged at two sides of the left and right direction of the main box 11, and the two sets of clamping plates 123 are respectively clamped with the two sets of clamping grooves 113. The flip 12 is clamped with the two sides of the main box 11 through the clamping plates 123 on the two sides of the fixing plate 122, so that the installation tightness of the flip 12 and the main box 11 is improved.

Further, second limiting grooves 114 are arranged on the two sides of the main box 11 in the left-right direction, the second limiting grooves 114 are positioned in the clamping grooves 113, and the top ends of the second limiting grooves 114 are communicated with the first openings 111; the flip cover 12 further includes a limiting post 124, the limiting post 124 is connected with the inner side of the clamping plate 123, the limiting post 124 includes a first end portion and a second end portion connected with the bottom end of the first end portion, the first end portion is abutted with the first opening 111, and the second end portion is clamped with the second limiting groove 114. The limiting column 124 not only limits the clamping and assembling position of the flip 12 and the main box 11, avoids the structural damage of the shell 1 caused by excessive downward pressing of the flip 12 and the main box 11, but also improves the integral strength of the structure of the flip 12; and the limit post 124 is arranged on the inner side of the flip 12, and the limit post 124 separates and limits the joint plate 123 and the main box 11, so that the inner space of the shell 1 is increased, the side wall of the shell 1 is layered, and the heat dissipation effect of the shell 1 is improved.

Further, based on the bottom surface of the housing 1, the distance from the bottom surface of the end of the clamping plate 123 near the paper inlet to the bottom surface of the housing 1 becomes shorter. This construction facilitates the user's snap fitting of the flip cover 12, with foolproof mounting.

In this embodiment, a first buckling groove is formed at the bottom of the inner side of the clamping plate 123, and a first protrusion 128 is formed at the outer side of the clamping plate 123 corresponding to the first buckling groove; the outer side of the main box 11 is provided with a second buckling groove 116 corresponding to the first buckling groove. The bottom end of the flip cover 12 is provided with a first protrusion 128, which is convenient for a user to detach the flip cover 12. The second buckling groove 116 is formed in the outer side of the main box body 11 and corresponds to the first buckling groove, occupied space of the whole structure of the scanner is reduced, fingers of a user can extend into the first buckling groove to detach the flip 12, and practicality of the whole structure of the shell 1 is improved.

In addition, the side edge of the first opening 111 is provided with a second bulge 115, the side edge of the fixing plate 122 is provided with a positioning groove 127, and the second bulge 115 is clamped with the positioning groove 127; the stability of the connection structure of the flip cover 12 and the fixed frame 21 is improved, and the flip cover 12 is prevented from shaking at the position of the first opening 111.

In addition, in the present embodiment, the top end of the fixing plate 122 is provided with a heat dissipation groove 125, so as to enhance the heat dissipation effect of the housing 1.

In this embodiment, the other side of the main housing 11 in the long side direction is provided with a second opening, and the housing 1 further includes a rear cover 13, where the rear cover 13 is detachably connected to the second opening, so as to facilitate the installation of the scanning device 2.

Further, a port hole 131 is formed in the rear cover 13, a protection groove 132 is formed in the outer side of the rear cover 13, and the port hole 131 is formed in the protection groove 132; and the rear cover 13 is provided with a protection protrusion 133 corresponding to the protection groove 132, and the protection protrusion 133 is abutted against the side wall of the fixed frame 21. In this embodiment, the port holes 131 are provided with a plurality of groups of common data line interface holes, such as power port holes and network line port holes, which are not described herein.

The rear cover 13 is provided with a protection groove 132 for protecting the interface position of the data line such as the power line, thereby improving the safety of the access card scanning device in the use process.

The connection structure of the housing 1 and the scanning device 2 in the present embodiment is described as follows with reference to fig. 3, 4 and 5:

in this embodiment, a positioning column 212 is disposed at the top end of the fixing frame 21; the bottom end of the fixed plate 122 is provided with a positioning block 126, and the bottom end of the positioning block 126 is provided with a plugging groove plugged with the positioning column 212, so that shaking is avoided between the scanning device 2 and the fixed plate 122.

The positioning blocks 126 in the preferred embodiment are provided with a plurality of groups, and the plurality of positioning blocks 126 are distributed on the bottom surface of the fixed plate 122 in a rectangular array; and be provided with a plurality of groups of reference columns 212 on the fixed frame 21, the distribution of a plurality of reference columns 212 and a plurality of locating pieces 126 one by one are avoided scanning device 2 to rock in the front-back direction and the left-right direction of casing 1.

In this embodiment, a first support plate 117 is disposed on a side of the main housing 11 near the mounting window 1a, the first support plate 117 supports a bottom end of a side of the fixing frame 21, a first mounting member 118 is disposed on a side of the main housing 11 near the rear cover 13, the first mounting member 118 is located below the fixing frame 21, and a mounting groove 213 is disposed on a side of the fixing frame 21 far from the mounting window 1 a.

The housing 1 further includes a bracket 14 inside, and the bracket 14 includes a first mounting plate 141, a second mounting plate 142, and a second support plate 143; the first mounting plate 141 is positioned at the top of the bracket 14, the first mounting plate 141 is positioned at one side of the fixed frame 21 far away from the mounting window 1a, and the first mounting plate 141 is connected with the mounting groove 213 through bolts; the second mounting plate 142 is positioned at the bottom of the bracket 14, the second mounting plate 142 is connected with the first mounting piece 118, and the plane of the bottom end of the first mounting plate 141 is level with the plane of the bottom end of the second mounting plate 142; the second supporting plate 143 connects the bottom end of the first mounting plate 141 with the bottom end of the second mounting plate 142, and the top surface of the second supporting plate 143 supports the bottom surface of the fixing frame 21.

In addition, in the present embodiment, the entry and exit card scanning apparatus further includes a power supply device 3, as shown in fig. 4, the power supply device 3 is disposed inside the housing 1 and below the scanning device 2, and the power supply device 3 is connected to the scanning device 2; the first mounting members 118 are of a long strip structure, the first mounting members 118 are provided with two groups, the two groups of mounting members are respectively arranged on the left side and the right side of the inside of the main box 11, and the power supply device 3 is arranged between the two groups of first mounting members 118. The scanner for the entrance card is characterized in that the scanner 2 and the power supply device 3 are arranged from the bottom, the brackets 14 are oppositely arranged on two sides of the power supply device 3, and one end of the scanner 2 far away from the paper inlet is supported by the middle of the brackets 14; the upper section of the bracket 14 is connected with the scanning device 2, the lower section is connected with the first mounting piece 118, the structural layout is compact, the bracket 14 integrates the functions of supporting and limiting the scanning device 2, and the structural practicability is strong; facilitating assembly of the entire scanner device.

The utility model relates to an assembling process of an entry card scanner, which comprises the following steps:

1. the main casing 11 is assembled with the scanner 2.

Firstly, inserting one paper feeding end of a paper feeding channel 2a of a scanning device 2 into an installation window 1a of a main box 11, and supporting the inserted scanning device 2 through a first supporting plate 117;

secondly, connecting the scanning device 2 with the bracket 14, and connecting a first mounting plate 141 of the bracket 14 with one side of the fixed frame 21 far away from the paper inlet through bolts; the second mounting plate 142 of the bracket 14 is bolted to the first mounting member 118 at the bottom end of the fixed frame 21. The scanning device 2 after installation is supported through the second supporting plate 143 of the bracket 14, and the first mounting plate 141 of the bracket 14 prevents the scanning device 2 from shaking back and forth in the long side direction of the shell 1, so that the stability of the scanning device 2 installed in the main box 11 is improved.

2. The main casing 11 is assembled with the power supply device 3.

The electrical connection between the power supply device 3 and the scanning device 2 and the mounting structure of the power supply device 3 in this embodiment are common connection structures, and will not be described here; the power supply device 3 in the present embodiment is preferably screwed to the second mounting plate 142 of the bracket 14 by fasteners such as a connection plate and screws.

3. The main casing 11 and the rear cover 13 are assembled.

A second mounting piece is arranged at the corner of the main box body 11, which is far away from one end of the mounting window 1a, a mounting hole is arranged at the position of the rear cover 13 corresponding to the second mounting piece, and the mounting hole on the rear cover 13 is connected with the second mounting piece through a screw; thereby completing the assembly of the rear cover 13.

4. The main casing 11 and the flip cover 12 are assembled.

The user holds the first protrusions 128 on both sides of the flip cover 12 with two hands, so that the clamping plates 123 on both sides of the fixing plate 122 are relatively far away from being opened; the positioning groove 127 on the fixing plate 122 is aligned with the second protrusion 115 on the top end of the main box 11, and then the flip 12 is clamped with the clamping groove 113 on the top end of the main box 11 from top to bottom until the top surface of the flip 12 is flush with the top surface of the main box 11.

In the assembled main box 11 and the flip 12, the limit column 124 on the inner side of the flip 12 is spliced with the second limit groove 114, so that the heat dissipation structure on the top end of the shell 1 is improved; and the second guide plate 121 on the inner side of the flip cover 12 is clamped with the first limit groove 211 on the scanning device 2, so that the stability of the connection between the scanning device 2 and the shell 1 is improved, the paper feeding channel 2a is communicated with the paper outlet 1b more accurately, and paper is prevented from being blocked in the shell 1.

This completes the assembly process of the entry and exit card scanning device of the preferred embodiment.

If the scanner 2 in the housing 1 needs to be checked, the user can insert his or her fingers into the first fastening groove of the flip cover 12 from the second fastening grooves 116 on both sides of the main housing 11, so as to open the opposite fastening plates 123, and remove the flip cover 12 from the bottom to the top.

In addition, the structures of the power supply device 3 and the scanning device 2 in the present embodiment are relatively existing, the power supply device 3 is a common lithium battery for a scanner, and the scanning device 2 is substantially the same as the scanning device in a common roller scanner, so specific structures of the power supply device 3 and the scanning device 2 are not described herein.

In summary, although the present utility model has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the utility model, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the utility model, so that the scope of the utility model is defined by the appended claims.

Claims

1. An entry and exit card scanning apparatus, comprising:

a housing; and

the scanning device is connected with the shell and comprises a fixed frame, an upper conveying mechanism and a lower conveying mechanism which are connected with the inside of the fixed frame, and a paper feeding channel is formed between the upper conveying mechanism and the lower conveying mechanism;

wherein, the casing includes:

the main box body is provided with a mounting window on one side in the long side direction, the top end of the main box body is provided with a first opening and a first notch, the first notch is communicated with the first opening, the main box body is provided with a first guide plate corresponding to the first notch, and the bottom end of the first guide plate is in butt joint with the top end of the fixed frame body; and

2. The entry and exit card scanning apparatus according to claim 1, wherein the main casing is provided with card slots on opposite sides in a left-right direction, and the flip cover includes:

3. The entry and exit card scanning device according to claim 2, wherein second limit grooves are also provided on both sides of the main box body in the left-right direction, the second limit grooves are located in the card grooves, and the top ends of the second limit grooves are communicated with the first openings;

4. The entry and exit card scanning apparatus according to claim 1, wherein a second opening is provided on the other side in the longitudinal direction of the main casing,

5. The entry and exit card scanning device according to claim 4, wherein a first support plate is provided inside the main case at a side close to the installation window, the first support plate supports a bottom end of the fixed frame at a side, a first installation member is provided on the main case at a side close to the rear cover, and the first installation member is located below the fixed frame;

6. The entry and exit card scanning device according to claim 4, wherein a port hole is provided on the rear cover, a protection slot is provided on the outer side of the rear cover, and the port hole is provided in the protection slot; and the rear cover is provided with a protection bulge corresponding to the protection groove, and the protection bulge is abutted with the side wall of the fixed frame.

7. The entry and exit card scanning device according to claim 2, wherein a positioning column is provided at the top end of the fixed frame; the bottom end of the fixing plate is provided with a positioning block, the bottom end of the positioning block is provided with a splicing groove, and the positioning block is spliced with the positioning column through the splicing groove.

8. The entry and exit card scanning device according to claim 2, wherein a first buckling groove is formed in the bottom of the inner side of the clamping plate, and a first protrusion is formed on the outer side of the clamping plate corresponding to the first buckling groove;

9. The entry and exit card scanning device of claim 2 wherein the first opening side is provided with a second projection and the fixed plate side is provided with a detent, the second projection being snap-fit with the detent.

10. An entry and exit card scanning device as claimed in claim 3 wherein the height of the end of the card plate remote from the mounting window is progressively reduced with reference to the top surface of the fixing plate.