CN112750239A

CN112750239A - Self-holding building entrance guard card reader

Info

Publication number: CN112750239A
Application number: CN202110027686.3A
Authority: CN
Inventors: 李平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-05-04

Abstract

The invention belongs to the technical field of building entrance guards, and particularly relates to a self-holding building entrance guard card reading device which comprises a shell, wherein a bottom plate is arranged at the bottom end of the shell, a socket is arranged at the middle position of the front end of the shell, a card swiping area is arranged on one side of the socket, a switch assembly is arranged on one side of the shell away from the socket, magnetic card inductors are symmetrically arranged at the top end of the bottom plate and on two sides of the socket, roller assemblies are arranged at the middle position of the top end of the bottom plate, card swallowing assemblies are symmetrically arranged on two sides of the top end of each roller assembly and are fixedly connected with a top plate of the shell through screws, and a turnover; on the one hand, the locking of the unit door which is always opened can be removed, the unit door can be normally closed, only the locking of the access control card can be removed by contacting the locking of the unit door which is always opened under the condition, so that the user can take out the access control card, the condition that the door is forgotten to be closed can not occur, and the safety of the unit is improved.

Description

Self-holding building entrance guard card reader

Technical Field

The invention belongs to the technical field of building entrance guards, and particularly relates to a self-holding building entrance guard card reading device.

Background

An Access Control System is in the field of intelligent buildings, and means an Access Control System, ACS for short. The forbidden authority of the door is the guard and precaution of the door. The door comprises various passages which can pass through, including a door through which people pass, and the entrance guard safety management system is a novel modern safety management system which integrates a microcomputer automatic identification technology and modern safety management measures and solves the effective measures of realizing safety precaution management of the entrance of an important department. At present current building entrance guard is in-service use, and the user swipes the card, opens behind the cell door, and cell door can self-closing under the general condition, if the user carries a lot of article time article alone, just need block the cell door with the health after opening the cell door, avoids its self-closing, moves all article to the corridor after the user, makes the cell door close taking aside the health, has brought the inconvenience in using for the user from this.

In order to solve the problem, the application provides a self-holding building entrance guard card reading device.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a self-holding building entrance guard card reading device which has the characteristics of convenience in use, safety and reliability.

In order to achieve the purpose, the invention provides the following technical scheme: a self-holding building entrance guard card reading device comprises a shell, wherein a bottom plate is arranged at the bottom end of the shell, a socket is arranged at the middle position of the front end of the shell, a card swiping area is arranged at one side of the socket, a switch assembly is arranged at one side of the shell far away from the socket, magnetic card sensors are symmetrically arranged at the top end of the bottom plate and positioned at two sides of the socket, a roller assembly is arranged at the middle position of the top end of the bottom plate, card swallowing assemblies are symmetrically arranged at two sides of the top end of the roller assembly and fixedly connected with a top plate of the shell through screws, a turnover mechanism is arranged at the tail end of the card swallowing assembly, a locking assembly is arranged at one side of the turnover mechanism, a card discharging mechanism is arranged at one side of the turnover mechanism far away from the locking assembly, the card discharging mechanism and the locking assembly are, the end plate on one side of the bottom plate is provided with a bayonet, and mounting parts are arranged on two sides of the shell.

Preferably, the self-holding building entrance guard card reading device comprises a switch assembly, wherein the switch assembly comprises a switch plate, connecting plates are symmetrically arranged at the middle positions of one sides of the switch plate, which face the shell, pin shafts are arranged on the opposite sides of the front ends of the connecting plates, the pin shafts are rotatably connected with the shell, a first connecting seat is arranged at the top of one side of the switch plate, which faces the shell, a second connecting seat is arranged at the bottom of the switch plate, and transmission plates are arranged on the first connecting seat and the second connecting seat.

Preferably, the first connecting seat is connected with the locking assembly through a top transmission plate, and the second connecting seat is connected with the card outlet mechanism through a bottom transmission plate.

Preferably, the roller assembly comprises a base arranged at the top end of the bottom plate, a notch is formed in the top of the base, a plurality of first rollers are arranged on the inner side of the notch, a plurality of second rollers are arranged on one side of the first rollers and close to the turnover mechanism, and conical surfaces are arranged on the opposite sides of the second rollers.

Preferably, the self-holding building entrance guard card reading device comprises mounting plates symmetrically arranged at the tail ends of the bases, a rotating roller is arranged between the two mounting plates through a rotating shaft, and a cross is arranged in the middle of the rotating roller in a penetrating mode.

Preferably, the card swallowing assembly comprises fixing frames symmetrically arranged at the top end of the base, driving rollers are symmetrically arranged on one sides of the fixing frames, gear rollers are arranged on the sides, far away from the driving rollers, of the fixing frames, inertia wheels are arranged in the middle of the fixing frames through connecting frames, and the inertia wheels are meshed with the gear rollers.

Preferably, the card swallowing assembly further comprises a belt arranged on the outer circles of the transmission roller and the gear roller, the belt is provided with a protrusion, a groove is formed between the two protrusions, and the two belts are meshed with the groove through the protrusion.

Preferably, the locking assembly comprises a fixed block which is arranged at the top end of the bottom plate and is positioned on one side of the turnover mechanism, an installation block is arranged on one side of the top of the fixed block, a wedge-shaped ejector rod is horizontally arranged on the top of the fixed block, a first slide block is vertically arranged on the fixed block and on one side of the wedge-shaped ejector rod, a first wedge-shaped through hole is formed in the bottom of the first slide block, a wedge-shaped block is vertically arranged on the top of the installation block, a second slide block is horizontally arranged below the wedge-shaped block and in the middle of the installation block, a second wedge-shaped through hole is formed in the second slide block, a plug is arranged on one side of the second slide block, a connecting column is arranged at one end of the second slide block and penetrates through the plug, a first spring is arranged between the plug and the second slide block and on the excircle of the connecting column, and one end of the connecting column, which is far away from the second sliding block, is provided with a top block.

Preferably, the locking assembly further comprises bases arranged at the top ends of the first sliding block and the second sliding block, a supporting plate is connected between the two bases through a rotating shaft, the middle position of the supporting plate is connected with a supporting seat through a rotating shaft, an L-shaped plate is arranged on one side of the top of the first sliding block, and a baffle is arranged at the tail end of the L-shaped plate.

Preferably, the card outlet mechanism comprises a limiting plate arranged at the top end of the bottom plate, clamping plates are symmetrically arranged at the top end of the limiting plate, a first limiting groove is formed in the middle of the limiting plate, a stop block is arranged at one end of the first limiting groove, a second limiting groove is formed in one side of the first limiting groove, a supporting plate is arranged between the two clamping plates, the bottom end of the supporting plate is connected with the first limiting groove in a sliding mode through the limiting block, a second spring is arranged on one side, facing the stop block, of the limiting block, the other end of the second spring is fixedly connected with the stop block, a first rack is arranged at the bottom end of the supporting plate and located inside the second limiting groove, the card outlet mechanism further comprises a second rack arranged at one side end of the connecting plate, a mounting plate is arranged on one side of the front end of the second rack, and a gear is connected to the top of the, and the top of the gear is meshed with the first rack, and the bottom of the gear is meshed with the second rack.

Compared with the prior art, the invention has the beneficial effects that: cooperate with locking subassembly and play card mechanism through swallowing the card subassembly and tilting mechanism, thereby in-service use need not outside power, only need rely on the inertia of flywheel to continue the drive and swallow the card subassembly, can remove the locking that the unit door was opened always on the one hand, guarantee that the unit door can normally be closed, only contact unit door was opened always under this prerequisite simultaneously, just can remove the locking to entrance guard's card, can make the user take out the entrance guard card, and the condition that can not take place to forget to close the door appears, and then the security of unit has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at D;

FIG. 5 is a schematic structural view of a locking assembly of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at B-B;

FIG. 7 is an enlarged view of a portion of FIG. 5 at C-C;

FIG. 8 is a diagram of a card-retaining assembly according to the present invention;

FIG. 9 is a schematic view of the structure of the belt of the present invention;

FIG. 10 is a schematic view of the structure of the roller assembly of the present invention;

FIG. 11 is a schematic structural view of a switch assembly according to the present invention;

in the figure: 1. a housing; 2. a base plate; 3. a socket; 4. a card swiping area; 5. a switch assembly; 501. a switch plate; 502. a connecting plate; 503. a pin shaft; 504. a first connecting seat; 505. a second connecting seat; 506. a drive plate; 6. a magnetic card sensor; 7. a roller assembly; 701. a base; 702. a notch part; 703. a first roller; 704. a second roller; 705. a conical surface; 8. a card-retaining assembly; 801. a fixed mount; 802. a driving roller; 803. a toothed roller; 804. an inertia wheel; 805. a belt; 806. a protrusion; 807. a groove; 9. a turnover mechanism; 901. mounting a plate; 902. rotating the roller; 903. a cross; 10. a locking assembly; 11. a card outlet mechanism; 12. a connecting plate; 13. a bayonet outlet; 14. a fixed block; 15. mounting blocks; 16. a wedge-shaped ejector rod; 17. a first sliding block; 18. a wedge-shaped through hole I; 19. a wedge block; 20. a second sliding block; 21. a wedge-shaped through hole II; 22. plugging with a thread; 23. connecting columns; 24. a first spring; 25. a top block; 26. a base; 27. a support plate; 28. a supporting seat; 29. an L-shaped plate; 30. a baffle plate; 31. a limiting plate; 32. clamping a plate; 33. a first limiting groove; 34. a support plate; 35. a limiting block; 36. a stopper; 37. a second spring; 38. a second limiting groove; 39. a first rack; 40. a second rack; 41. mounting a plate; 42. a gear; 43. an access card; 44. And (4) a mounting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-11, a self-holding building entrance guard card reading device comprises a housing 1, a bottom plate 2 is arranged at the bottom end of the housing 1, a socket 3 is arranged at the middle position of the front end of the housing 1, a card swiping area 4 is arranged at one side of the socket 3, a switch assembly 5 is arranged at one side of the housing 1 away from the socket 3, magnetic card sensors 6 are symmetrically arranged at the top end of the bottom plate 2 and at two sides of the socket 3, a roller assembly 7 is arranged at the middle position of the top end of the bottom plate 2, card swallowing assemblies 8 are symmetrically arranged at two sides of the top end of the roller assembly 7, the card swallowing assemblies 8 are fixedly connected with a top plate of the housing 1 through screws, a turnover mechanism 9 is arranged at the tail end of the card swallowing assembly 8, a locking assembly 10 is arranged at one side of the turnover mechanism 9, and a card discharging mechanism 11 is arranged at, the card outlet mechanism 11 and the locking assembly 10 are connected with the switch assembly 5 through a connecting plate 12, a card outlet 13 is arranged on an end plate on one side of the bottom plate 2, and mounting pieces 44 are arranged on two sides of the shell 1.

Cooperate with locking subassembly 10 and play card mechanism 11 through swallowing card subassembly 8 and tilting mechanism 9, thereby need not outside power in-service use, only need rely on inertia of flywheel 804 to continue to drive and swallow card subassembly 8, can remove the locking that the cell door opened always on the one hand, guarantee that the cell door can normally close, only contact the locking that the cell door opened always under this preceding, just can remove the locking to the entrance guard card, can make the user take out the entrance guard card, and the condition that can not take place to forget to close the door appears, and then the security of unit has been improved.

In an optional embodiment, the switch assembly 5 includes a switch plate 501, a connecting plate 502 is symmetrically disposed on the switch plate 501 towards a middle position of one side of the housing 1, a pin 503 is disposed on a side of the connecting plate 502 opposite to the front end, the pin 503 is rotatably connected to the housing 1, a first connecting seat 504 is disposed on a top of one side of the switch plate 501 towards the housing 1, a second connecting seat 505 is disposed on a bottom of the switch plate 501, driving plates 506 are disposed on the first connecting seat 504 and the second connecting seat 505, the first connecting seat 504 is connected to the locking assembly 10 through the top driving plate 506, and the second connecting seat 505 is connected to the card discharging mechanism 11 through the bottom driving plate 506.

In this embodiment: the switch plate 501 is rotatably connected to the housing 1 through a pin 503, and further drives the transmission plate 506 to push the wedge-shaped plunger 16 to drive the locking assembly 10 to unlock through the first connecting seat 504 and the second connecting seat 505, and then the second connecting seat 505 drives the card discharging mechanism 11 to facilitate the user to take the card.

In an alternative embodiment, the roller assembly 7 includes a base 701 disposed at the top end of the bottom plate 2, a notched portion 702 is formed at the top of the base 701, a plurality of first rollers 703 are disposed on the inner side of the notched portion 702, a plurality of second rollers 704 are disposed on one side of the first rollers 703 and near the turnover mechanism 9, and tapered surfaces 705 are disposed on opposite sides of the second rollers 704.

In this embodiment: after the entrance guard card is inserted into the card swallowing assembly 8, the conical surfaces 705 of the rollers 704 of the roller assembly 7 are oppositely arranged, the entrance guard card is in contact with the cross 903 under the guidance of the conical surfaces 705, and the rollers 703 can reduce the friction force between the bottom plates 2 of the entrance guard card and play a role in guiding.

In an alternative embodiment, the turnover mechanism 9 includes mounting plates 901 symmetrically disposed at the ends of the base 701, a rotating roller 902 is disposed between the two mounting plates 901 through a rotating shaft, and a cross 903 penetrates through the middle of the rotating roller 902.

In this embodiment: cooperate with roller assembly 7 through swallowing card subassembly 8, make entrance guard's card and cross 903 contact, under the continuous transport of belt 805, make entrance guard's card still have certain kinetic energy behind the separation belt 805, make entrance guard's card drive cross 903 revolve roller 902 and rotate under inertial effect, realize the 90 degrees upsets of entrance guard's card.

In an optional embodiment, the card swallowing assembly 8 includes a fixing frame 801 symmetrically disposed at the top end of the base 701, a driving roller 802 is symmetrically disposed on one side of the fixing frame 801, a toothed roller 803 is disposed on one side of the fixing frame 801 away from the driving roller 802, an inertia wheel 804 is disposed at a middle position of the fixing frame 801 through a connecting frame, the inertia wheel 804 is engaged with the toothed roller 803, the card swallowing assembly 8 further includes a belt 805 disposed at an outer circumference of the driving roller 802 and the toothed roller 803, a protrusion 806 is disposed on the belt 805, a groove 807 is formed between the two protrusions 806, and the two belts 805 are engaged with the groove 807 through the protrusion 806.

In this embodiment: through in pushing into socket 3 with entrance guard's card, entrance guard's card can be by two belt 805 centre grippings, under user's promotion, and then make belt 805 drive driving roller 802 and fluted roller 803 rotate, fluted roller 803 drives flywheel 804 and rotates, under the effect of flywheel 804 dead weight and inertia, make two belts 805 can be lasted carry the entrance guard card to the end of roller components 7, thereby need not external power in the in-service use, only need rely on flywheel 804's inertia to continue the drive and gulp down card components 8, and then make the device use convenient and safe more.

In an optional embodiment, the locking assembly 10 includes a fixed block 14 disposed on the top end of the bottom plate 2 and located on one side of the turnover mechanism 9, a mounting block 15 is disposed on one side of the top of the fixed block 14, a wedge-shaped push rod 16 is disposed on the top of the fixed block 14 along the horizontal direction, a first slider 17 is disposed on one side of the fixed block 14 and located on the wedge-shaped push rod 16 along the vertical direction, a first wedge-shaped through hole 18 is disposed at the bottom of the first slider 17, a wedge-shaped block 19 is disposed on the top of the mounting block 15 along the vertical direction, a second slider 20 is disposed below the wedge-shaped block 19 and located in the middle of the mounting block 15 along the horizontal direction, a second wedge-shaped through hole 21 is disposed on the second slider 20, a screw plug 22 is disposed on one side of the second slider 20, and a connecting column 23, the excircle of spliced pole 23 just is located plug 22 with be provided with spring 24 between two 20 of slider, spliced pole 23 is kept away from the one end of two 20 of slider is provided with kicking block 25, locking Assembly 10 is still including setting up slider 17 with the base 26 on two 20 tops of slider, and two be connected with backup pad 27 through the pivot between the base 26, the intermediate position of backup pad 27 is connected with supporting seat 28 through the pivot, top one side of a 17 of slider is provided with L shaped plate 29, the end of L shaped plate 29 is provided with baffle 30.

In this embodiment: can relieve the locking that the cell door opened always through setting up locking Assembly 10 on the one hand, guarantee that the cell door can normally close, only contact the locking that the cell door opened always under this prerequisite simultaneously, just can relieve the locking to the entrance guard card, can make the user take out the entrance guard card, and can not take place to forget the condition appearance of closing the door, and then improved the security of unit.

In an optional embodiment, the card discharging mechanism 11 includes a limiting plate 31 disposed at the top end of the bottom plate 2, clamping plates 32 are symmetrically disposed at the top end of the limiting plate 31, a first limiting groove 33 is disposed at a middle position of the limiting plate 31, a stopper 36 is disposed at one end of the first limiting groove 33, a second limiting groove 38 is disposed at one side of the first limiting groove 33, a supporting plate 34 is disposed between the two clamping plates 32, the bottom end of the supporting plate 34 is slidably connected with the first limiting groove 33 through a limiting block 35, a second spring 37 is disposed at one side of the limiting block 35 facing the stopper 36, the other end of the second spring 37 is fixedly connected with the stopper 36, a first rack 39 is disposed at the bottom end of the supporting plate 34 and inside the second limiting groove 38, the card discharging mechanism 11 further includes a second rack 40 disposed at one side end of the connecting plate 12, a mounting plate 41 is disposed at one side of the front end of the, the top of mounting panel 41 is connected with gear 42 through the pivot, just the top of gear 42 with rack 39 meshes mutually, the bottom of gear 42 with rack 40 meshes mutually.

In this embodiment: by pressing the switch plate 501 downwards, the transmission plate 506 drives the connecting plate 12 to drive the second rack 40 to move, the gear 42 is driven to rotate, the first rack 39 is driven by the gear to move, the supporting plate 34 is driven to move along the clamping plate 32, the entrance guard card is conveyed into and out of the bayonet 13 until the supporting plate 34 is clamped by a rubber pad on the card outlet 13, the card is taken by a user conveniently, and when the switch plate 501 is loosened, the supporting plate 34 resets under the action of the second spring 37.

The working principle and the using process of the invention are as follows: in actual use, if a user only passes through the unit door, the user only needs to paste the access card on the card swiping area 4, after the unit door is unlocked, the door can pass through the unit door, if the user needs to open the door for a long time, when carrying articles, the user only needs to insert the access card through the socket 3, firstly, the magnetic card sensor 6 can detect whether the access card is the access card held by the unit user, if not, the controller connected with the access card can generate voice prompt, if the user is the unit user, the controller can send the voice prompt to indicate that the user pushes the access card into the socket 3, then the access card can be clamped by the two belts 805, under the pushing of the user, the belts 805 can drive the driving rollers 802 and the toothed rollers 803 to rotate, the toothed rollers 803 can drive the inertia wheels 804 to rotate, under the self-weight of the inertia wheels 804 and the inertia, the two belts 805 can continuously convey the access card to the tail end of the roller assembly 7, at this time, because the conical surfaces 705 of the two oppositely arranged rollers 704 are also oppositely arranged, the entrance guard card is in contact with the cross 903 under the guidance of the conical surfaces 705, under the continuous conveying of the belt 805, the entrance guard card still has certain kinetic energy after being separated from the belt 805, the entrance guard card drives the cross 903 to rotate around the roller 902 under the action of inertia, so that the entrance guard card is turned over by 90 degrees until the top of the entrance guard card is positioned in a blocking groove formed by the L-shaped plate 29 and the baffle 30, when the articles of a user are conveyed and enter a unit building, the entrance guard card is taken out by pressing the switch assembly 5, then the user presses the switch plate 501 upwards, drives the transmission plate 506 to push the wedge-shaped ejector rod 16 through the first connecting seat 504, when the wedge-shaped surface of the wedge-shaped ejector rod 16 is matched with the first wedge-shaped through hole 18, the first sliding block 17 upwards, drives the L-shaped plate 29 and the baffle 30 to move upwards, meanwhile, the first slide block 17 drives the support plate 27 to rotate around the support seat 28, so that the other end of the support plate 27 drives the wedge block 19 to move downwards, the wedge surface at the bottom end of the wedge block 19 is matched with the second wedge through hole 21, the second slide block 20 is driven to move towards the direction close to the entrance guard card, the ejector block 25 is driven to push the entrance guard card to separate from the cross 903 and further fall onto the support plate 34, in addition, the switch component 5 is pressed upwards to release the locking of the unit door which is opened all the time, the unit door can be normally closed without forgetting to close the door, the safety of the unit is improved, then the switch plate 501 is pressed downwards, the connecting plate 12 is driven by the transmission plate 506 to drive the second rack 40 to move, the gear 42 is driven to rotate, the gear drives the first rack 39 to move, the support plate 34 is driven to move along the support plate 32 until the entrance guard card is, is clamped by the rubber pad on the card outlet 13, so that the user can conveniently take the card, and the supporting plate 34 is reset under the action of the second spring 37 while the switch plate 501 is loosened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a self-sustaining building entrance guard card reading device which characterized in that: comprises a shell (1), a bottom plate (2) is arranged at the bottom of the shell (1), a socket (3) is arranged at the middle position of the front end of the shell (1), a card swiping region (4) is arranged at one side of the socket (3), a switch component (5) is arranged at one side of the shell (1) far away from the socket (3), magnetic card sensors (6) are symmetrically arranged at the top end of the bottom plate (2) and at two sides of the socket (3), a roller component (7) is arranged at the middle position of the top end of the bottom plate (2), card swallowing components (8) are symmetrically arranged at two sides of the top end of the roller component (7), the card swallowing components (8) are fixedly connected with a top plate of the shell (1) through screws, a turnover mechanism (9) is arranged at the tail end of the card swallowing components (8), a locking component (10) is arranged at one side of the turnover mechanism, keeping away from tilting mechanism (9) one side of locking subassembly (10) is provided with out card mechanism (11), go out card mechanism (11) with locking subassembly (10) all lead to connecting plate (12) with switch module (5) are connected, be provided with out bayonet socket (13) on the end plate of bottom plate (2) one side, the both sides of casing (1) all are provided with installed part (44).

2. The self-holding building entrance guard card reading device of claim 1, wherein: switch module (5) include switch panel (501), switch panel (501) orientation one side intermediate position symmetry of casing (1) is provided with connecting plate (502), the relative one side in front end of connecting plate (502) all is provided with round pin axle (503), just round pin axle (503) with casing (1) rotates and connects, switch panel (501) orientation one side top of casing (1) is provided with connecting seat (504), the bottom of switch panel (501) is provided with connecting seat two (505), connecting seat one (504) with all be provided with driving plate (506) on connecting seat two (505).

3. The self-holding building entrance guard card reading device of claim 2, wherein: the first connecting seat (504) is connected with the locking assembly (10) through a top transmission plate (506), and the second connecting seat (505) is connected with the card outlet mechanism (11) through a bottom transmission plate (506).

4. The self-holding building entrance guard card reading device of claim 1, wherein: the roller assembly (7) comprises a base (701) arranged at the top end of the bottom plate (2), a slotted part (702) is formed in the top of the base (701), a plurality of rollers I (703) are arranged on the inner side of the slotted part (702), a plurality of rollers II (704) are arranged on one side of the rollers I (703) and close to the turnover mechanism (9), and conical surfaces (705) are arranged on the opposite sides of the rollers II (704).

5. The self-holding building entrance guard card reading device of claim 4, wherein: the turnover mechanism (9) comprises mounting plates (901) symmetrically arranged at the tail ends of the bases (701), a rotating roller (902) is arranged between the two mounting plates (901) through a rotating shaft, and a cross (903) penetrates through the middle position of the rotating roller (902).

6. The self-holding building entrance guard card reading device of claim 4, wherein: swallow card subassembly (8) including the symmetry setting and be in mount (801) on base (701) top, one side symmetry of mount (801) is provided with driving roller (802), mount (801) are kept away from one side of driving roller (802) is provided with fluted roller (803), the intermediate position of mount (801) is provided with flywheel (804) through the link, just flywheel (804) with fluted roller (803) mesh mutually.

7. The self-sustaining building entrance guard card reader of claim 6, wherein: the card swallowing assembly (8) further comprises a belt (805) arranged on the outer circles of the transmission roller (802) and the toothed roller (803), wherein protrusions (806) are arranged on the belt (805), a groove (807) is formed between the two protrusions (806), and the two belts (805) are meshed with the groove (807) through the protrusions (806).

8. The self-holding building entrance guard card reading device of claim 1, wherein: the locking assembly (10) comprises a bottom plate (2) and a fixing block (14) arranged on one side of the turnover mechanism (9), an installation block (15) is arranged on one side of the top of the fixing block (14), a wedge-shaped ejector rod (16) is arranged on the top of the fixing block (14) along the horizontal direction, a first sliding block (17) is arranged on one side of the wedge-shaped ejector rod (16) along the vertical direction, a first wedge-shaped through hole (18) is arranged at the bottom of the first sliding block (17), a wedge-shaped block (19) is arranged on the top of the installation block (15) along the vertical direction, a second sliding block (20) is arranged in the middle of the installation block (15) along the horizontal direction under the wedge-shaped block (19), a second wedge-shaped through hole (21) is arranged on the second sliding block (20), and a plug (22) is arranged on one side of the second sliding block (20, one end of the second slider (20) penetrates through the screw plug (22) and is provided with a connecting column (23), the outer circle of the connecting column (23) is located between the screw plug (22) and the second slider (20), a first spring (24) is arranged between the connecting column (23) and the second slider (20), and one end of the second slider (20) is provided with a top block (25).

9. The self-sustaining building entrance guard card reader of claim 8, wherein: locking Assembly (10) still including setting up slider one (17) with base (26) on slider two (20) top, and two be connected with backup pad (27) through the pivot between base (26), the intermediate position of backup pad (27) is connected with supporting seat (28) through the pivot, top one side of slider one (17) is provided with L shaped plate (29), the end of L shaped plate (29) is provided with baffle (30).

10. The self-holding building entrance guard card reading device of claim 1, wherein: the card outlet mechanism (11) comprises a limiting plate (31) arranged at the top end of the bottom plate (2), clamping plates (32) are symmetrically arranged at the top end of the limiting plate (31), a first limiting groove (33) is arranged at the middle position of the limiting plate (31), a stop block (36) is arranged at one end of the first limiting groove (33), a second limiting groove (38) is arranged at one side of the first limiting groove (33), a supporting plate (34) is arranged between the two clamping plates (32), the bottom end of the supporting plate (34) is in sliding connection with the first limiting groove (33) through a limiting block (35), a second spring (37) is arranged at one side of the limiting block (35) facing the stop block (36), the other end of the second spring (37) is fixedly connected with the stop block (36), a first rack (39) is arranged at the bottom end of the supporting plate (34) and positioned in the second limiting groove (38), go out card mechanism (11) and still including setting up rack two (40) of connecting plate (12) one side, rack two (40) front end one side is provided with mounting panel (41), the top of mounting panel (41) is connected with gear (42) through the pivot, just the top of gear (42) with rack one (39) mesh mutually, the bottom of gear (42) with rack two (40) mesh mutually.