Intelligent building access control system

Abstract

The utility model belongs to the technical field of access control systems, and discloses an intelligent building access control system which comprises a mounting frame, an inner frame body is fixedly connected in the mounting frame, an access control body is mounted in the inner frame body, and a protection assembly is arranged between the mounting frame and the access control body. The protection assembly comprises an upper protection plate arranged at the top of an inner cavity of the mounting frame, a lower protection plate is arranged at the bottom of the inner cavity of the mounting frame, and two telescopic rods are symmetrically and fixedly connected between the mounting frame and the upper protection plate. According to the utility model, through the arrangement of the protection assembly, when a person needs to use the access control body to open a unit door, the pull rod can be directly pulled downwards, so that the access control body can be completely leaked from the operation opening, a user can use the access control body to open the unit door, and after the pull rod is loosened, the unit door can be opened by utilizing the rebound force of the first spring and the second spring. The upper protection plate and the lower protection plate can be automatically closed together, so that automatic protection of the access control body is realized, and relatively speaking, the safety is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of access control systems, in particular to an intelligent building access control system. Background Art

[0002] Access control system, also known as entrance and exit control system, is an intelligent control system that manages the entry and exit of personnel and objects. Common access control systems include: access control systems that use password authentication, access control systems that use contactless IC card authentication, and biometric access control systems such as fingerprint, iris, palm, and finger vein.

[0003] A Chinese patent discloses a hidden security access control (authorization announcement number CN219105525U), which includes an access control, the rear end of which is fixedly connected to an inner shell covering the access control, the front end of which is rotatably mounted with a rotary cover, and the rear end of which is detachably mounted with an outer shell;

[0004] Although the access control system can be hidden and protected after use by arranging an inner shell, an outer shell and a screw cover on the access control system, thereby reducing the occurrence of pollution problems caused by the access control system being directly exposed to the external environment, in daily use, due to different personal qualities, it is inevitable that some people will not close the screw cover after opening it, so that the access control system will be exposed to the external environment again. What's worse, some people will even bend it backwards, causing damage, and the safety performance is low. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an intelligent building access control system.

[0006] To achieve the above object, the utility model provides the following technical solution: an intelligent building access control system, comprising an installation frame, an inner frame body is fixedly connected to the interior of the installation frame, an access control body is installed inside the inner frame body, and a protective component is arranged between the installation frame and the access control body;

[0007] The protection assembly includes an upper protection plate arranged on the top of the inner cavity of the installation frame, a lower protection plate is arranged at the bottom of the inner cavity of the installation frame, two telescopic rods are symmetrically fixedly connected between the installation frame and the upper protection plate, two sleeves are symmetrically fixedly connected to the bottom end of the inner cavity of the installation frame, and two connecting rods are slidably inserted and connected inside the two sleeves;

[0008] An operation opening is provided in the middle of the front side of the installation frame.

[0009] Preferably, the top ends of the two connecting rods are fixedly connected to the bottom end of the lower protective plate, and the bottom ends of the two connecting rods pass through the mounting frame and are fixedly connected to a pull rod.

[0010] Preferably, the outer sides of the two telescopic rods are slidably sleeved with first springs, the top ends of the two first springs are fixedly connected to the top end of the inner cavity of the mounting frame, and the bottom ends of the two first springs are fixedly connected to the top end of the upper protective plate.

[0011] Preferably, the outer sides of the two sleeves are slidably sleeved with second springs, the bottom ends of the two second springs are fixedly connected to the bottom end of the inner cavity of the mounting frame, and the top ends of the two second springs are fixedly connected to the bottom end of the lower protective plate.

[0012] Preferably, two first gear rods are symmetrically fixedly connected to the outer side of the lower protective plate, and one side of the two first gear rods is meshed with a linkage gear.

[0013] Preferably, two second gear rods are symmetrically fixedly connected to the outer side of the upper protective plate, and the two second gear rods are respectively meshed with two linkage gears.

[0014] Preferably, two mounting brackets are symmetrically fixedly connected to the inner wall of the mounting frame, one end of the inner cavity of the two mounting brackets is fixedly connected to a connecting shaft, and the two linkage gears are respectively slidably sleeved on the outer sides of the two connecting shafts.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] Through the setting of the protective component, the utility model allows a person to directly pull the pull rod downwards if he needs to use the access control body to open the unit door, and then utilize the engagement between the linkage gear and the first gear rod and the second gear rod to completely release the access control body from the operation port. The user can then use the access control body to open the unit door, and after releasing the pull rod, utilize the rebound force of the first spring and the second spring to automatically close the upper protective plate and the lower protective plate together, thereby realizing automatic protection of the access control body, which is relatively safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a shallow cross-sectional view of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a cross-sectional bottom view of the utility model.

[0021] In the figure: 1. Installation frame; 2. Inner frame; 3. Access control body; 4. Upper protective plate; 5. Lower protective plate; 6. Telescopic rod; 7. Sleeve; 8. First spring; 9. Connecting rod; 10. Pull rod; 11. Second spring; 12. Operation port; 13. Connecting block; 14. Gear rod; 15. Mounting frame; 16. Connecting shaft; 17. Linkage gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides an intelligent building access control system, including an installation frame 1, the installation frame 1 is a square structure, and is pre-buried or pre-installed on a designated wall or plate, the interior of the installation frame 1 is fixedly connected to an inner frame 2, the interior of the inner frame 2 is installed with an access control body 3, an operation port 12 is opened in the middle of the front of the installation frame 1, the user can use the access control body 3 normally through the operation port 12, and can also disassemble the access control body 3 through the operation port 12, a protective component is arranged between the installation frame 1 and the access control body 3, the protective component includes an upper protective plate 4 arranged on the top of the inner cavity of the installation frame 1, and a lower protective plate 5 is arranged at the bottom of the inner cavity of the installation frame 1, the upper protective plate 4 and the lower protective plate 5 are both U-shaped structures, and when the two are fitted together, they can be completely The access control body 3 is completely covered behind the upper protective plate 4 and the lower protective plate 5, and the operating port 12 is closed, so as to realize the protection of the access control body 3 when not in use. Two telescopic rods 6 are symmetrically fixedly connected between the mounting frame 1 and the upper protective plate 4. The telescopic rod 6 is a structure of a large rod sleeved with a small rod. Two sleeves 7 are symmetrically fixedly connected to the bottom end of the inner cavity of the mounting frame 1. Two connecting rods 9 are slidably and interspersed inside the two sleeves 7. The connecting rods 9 can move longitudinally in the sleeves 7. The top ends of the two connecting rods 9 are fixedly connected to the bottom end of the lower protective plate 5, and the bottom ends of the two connecting rods 9 pass through the mounting frame 1 and are fixedly connected with pull rods 10. Before using the access control body 3 to open the unit door, the user needs to manually pull the pull rod 10 downwards.

[0024] The outer sides of the two telescopic rods 6 are slidably sleeved with a first spring 8, see the attached Figure 2 and attached Figure 4At this time, the first spring 8 is in a compressed state and has a certain elastic potential energy. The top ends of the two first springs 8 are fixedly connected to the top end of the inner cavity of the mounting frame 1, and the bottom ends of the two first springs 8 are fixedly connected to the top end of the upper protective plate 4. By utilizing the elastic potential energy of the first spring 8, the upper protective plate 4 can automatically return to its initial position when no force is applied.

[0025] The outer sides of the two sleeves 7 are slidably sleeved with a second spring 11, see the attached Figure 2 and attached Figure 4 At this time, the second spring 11 is in a compressed state and has a certain elastic potential energy. The bottom ends of the two second springs 11 are fixedly connected to the bottom end of the inner cavity of the installation frame 1, and the top ends of the two second springs 11 are fixedly connected to the bottom end of the lower protective plate 5. By utilizing the elastic potential energy of the second spring 11, the lower protective plate 5 can automatically return to its initial position when no force is applied.

[0026] The outer side of the lower guard plate 5 is symmetrically fixedly connected with two first gear rods 13, one side of the two first gear rods 13 is meshed with a linkage gear 17, and the outer side of the upper guard plate 4 is symmetrically fixedly connected with two second gear rods 14, the first gear rod 13 and the second gear rod 14 have the same specifications, and the two second gear rods 14 are respectively meshed with the two linkage gears 17. The meshing between the linkage gear 17 and the first gear rod 13 and the second gear rod 14 is utilized to realize the reverse movement of the first gear rod 13 and the second gear rod 14 when the linkage gear 17 rotates. The inner wall of the installation frame 1 is symmetrically fixedly connected with two mounting frames 15, and the inner wall of the two mounting frames 15 is One end of the cavity is fixedly connected with a connecting shaft 16, and two linkage gears 17 are respectively slidably sleeved on the outside of the two connecting shafts 16. The linkage gear 17 can rotate on the connecting shaft 16, and the engagement between the linkage gear 17 and the first meshing rod 13 and the second meshing rod 14 is utilized to achieve that when the user pulls down the pull rod 10, the upper protective plate 4 and the lower protective plate 5 can move in opposite directions at the same time, thereby eventually leaking the access control body 3 at the operating port 12, and when the pull rod 10 is released, under the elastic potential energy of the first spring 8 and the second spring 11, the upper protective plate 4 and the lower protective plate 5 can also be automatically closed together to complete the protection of the access control body 3.

[0027] The working principle and process of this utility model are as follows:

[0028] When in use, after the installation frame 1 is pre-buried or pre-installed on a designated wall or plate, the access control body 3 is installed and fixed in the inner frame 2 .

[0029] In daily life, if someone needs to use the access control body 3 to open the unit door, they can directly pull the pull rod 10 downwards, and the pull rod 10 moves downwards under the force. The movement of the pull rod 10 drives the two connecting rods 9 to move, and the movement of the two connecting rods 9 drives the lower protective plate 5 to move downwards. At the same time, the second spring 11 is compressed under the force, and at the same time, the movement of the lower protective plate 5 drives the two first gear rods 13 to move, and the movement of the two first gear rods 13 drives the two linkage gears 17 to rotate at the same speed and in the same direction; the rotation of the two linkage gears 17 can drive the two second gear rods 14 to move upwards, and the two The second gear rod 14 moves to drive the upper protective plate 4 to move synchronously. At this time, the two telescopic rods 6 and the two first springs 8 are compressed. When the access control body 3 completely leaks out from the operation port 12, the user can use the access control body 3 to open the unit door. After releasing the pull rod 10, the upper protective plate 4 and the lower protective plate 5 can be automatically closed together by the rebound force of the first spring 8 and the second spring 11, and the engagement between the linkage gear 17 and the first gear rod 13 and the second gear rod 14, thereby realizing automatic protection of the access control body 3.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent building access control system, characterized in that: It comprises an installation frame (1), the interior of the installation frame (1) is fixedly connected to an inner frame body (2), a door access control body (3) is installed inside the inner frame body (2), and a protective component is arranged between the installation frame (1) and the door access control body (3); The protection assembly comprises an upper protection plate (4) arranged at the top of the inner cavity of the installation frame (1); a lower protection plate (5) is arranged at the bottom of the inner cavity of the installation frame (1); two telescopic rods (6) are symmetrically fixedly connected between the installation frame (1) and the upper protection plate (4); two sleeves (7) are symmetrically fixedly connected to the bottom end of the inner cavity of the installation frame (1); and two connecting rods (9) are slidably inserted and connected inside the two sleeves (7); An operation opening (12) is provided in the middle of the front side of the installation frame (1).

2. The intelligent building access control system according to claim 1, characterized in that: The top ends of the two connecting rods (9) are fixedly connected to the bottom end of the lower protective plate (5), and the bottom ends of the two connecting rods (9) pass through the installation frame (1) and are fixedly connected to a pull rod (10).

3. The intelligent building access control system according to claim 1, characterized in that: The outer sides of the two telescopic rods (6) are slidably sleeved with first springs (8), the top ends of the two first springs (8) are fixedly connected to the top end of the inner cavity of the installation frame (1), and the bottom ends of the two first springs (8) are fixedly connected to the top end of the upper protective plate (4).

4. The intelligent building access control system according to claim 1, characterized in that: The outer sides of the two sleeves (7) are slidably sleeved with second springs (11), the bottom ends of the two second springs (11) are fixedly connected to the bottom end of the inner cavity of the installation frame (1), and the top ends of the two second springs (11) are fixedly connected to the bottom end of the lower protective plate (5).

5. The intelligent building access control system according to claim 1, characterized in that: Two first gear rods (13) are symmetrically fixedly connected to the outer side of the lower protection plate (5), and one side of the two first gear rods (13) is meshed with a linkage gear (17).

6. The intelligent building access control system according to claim 5, characterized in that: Two second gear rods (14) are symmetrically fixedly connected to the outer side of the upper protection plate (4), and the two second gear rods (14) are respectively meshed with two linkage gears (17).

7. The intelligent building access control system according to claim 5, characterized in that: Two mounting frames (15) are symmetrically and fixedly connected to the inner wall of the mounting frame (1), one end of the inner cavity of the two mounting frames (15) is fixedly connected to a connecting shaft (16), and the two linkage gears (17) are respectively slidably sleeved on the outer sides of the two connecting shafts (16).

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