A security door with a security lock

Abstract

This utility model discloses a security door with a security lock, including a door frame and a door body. The door body has a mounting groove, in which a lock is fixedly connected. A lock cylinder is slidably connected inside the lock, and a baffle plate is rotatably connected inside the lock to cover the lock hole of the lock cylinder. When the side of the lock cylinder with the lock hole is at the same level as the side wall of the lock, the baffle plate opens and is perpendicular to the lock. Therefore, when the security door is closed, the baffle plate is closed and covers the lock hole on the lock cylinder, effectively reducing the possibility of outsiders prying the lock through the lock hole and improving the security effect of the security door.

Description

Technical Field

[0001] This utility model belongs to the field of doors, and relates to security doors, and in particular to a security door with a security door lock. Background Technology

[0002] The full name of a security door is "anti-theft security door". It combines the functions of anti-theft and security. A qualified security door cannot be pried open or have a 615 square centimeter opening made in the door leaf, or a 38 square millimeter opening made in the semicircle of 150 square millimeters at the locking point, within 15 minutes using ordinary hand tools such as chisels, screwdrivers, and crowbars, or portable power tools such as electric drills. Security doors can be made of different materials, but only doors that meet the standard test and obtain a security product production license can be called security doors.

[0003] For example, a seamless security door with publication number CN222823129U includes a door frame, a rotating stop door inside the door frame, a handle fixedly attached to the front end of the stop door, and an elastic sealing frame fixedly attached to the rear end of the stop door. In this invention, the air pump receives the locking signal from the control panel and starts, blowing outside air through the air inlet into the sealed working chamber on the side away from the stop door. At this time, the air pressure on the side of the sealed working chamber away from the stop door will increase, causing the movable sealing block to move towards the center side, and the end face of the movable sealing block on the center side to fully enter the sealed chamber and cooperate with the sealed chamber. At the same time, the upper and lower sides of the front end face of the back frame and the upper and lower sides of the rear end face of the elastic sealing frame are adhered and fixed. During the adhesion, the back frame will be squeezed against the elastic sealing frame, thus enabling this invention to have the feature of seamlessness, allowing for seamless closure and effectively preventing air leakage and prying open.

[0004] The above-mentioned security doors are the most common type of security doors. They are opened with a key, but the lock can be damaged through the keyhole, resulting in damage to the security door and a reduction in its security effect. Utility Model Content

[0005] This utility model provides a security door with a security lock that can hide the lock hole to protect it.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a security door with a security door lock, including a door frame and a door body rotatably connected to the door frame, characterized in that the door body is provided with an installation groove, a door lock is fixedly connected in the installation groove, a lock cylinder is slidably connected in the door lock, and a baffle plate for blocking the lock hole of the lock cylinder is rotatably connected in the door lock. When the side of the lock cylinder with the lock hole is at the same horizontal plane as the side wall of the door lock, the baffle plate is opened and perpendicular to the door lock.

[0007] A further preferred technical solution of this utility model is as follows: the door lock is provided with a sliding groove, the lock cylinder slides within the sliding groove, the depth of the sliding groove is greater than the length of the lock cylinder, a limiting plate is fixedly connected to the lock cylinder, a limiting groove is provided on the inner side wall of the sliding groove to facilitate the sliding of the limiting plate, and a spring is sleeved on the lock cylinder within the limiting groove.

[0008] A further preferred technical solution of this utility model is as follows: a groove is provided on the lock cylinder, a locking block is slidably connected in the groove, and a slot is provided in the sliding groove to facilitate the locking block to be engaged. When the locking block is engaged in the slot, the blocking plate closes and the spring deforms.

[0009] A further preferred embodiment of this utility model is as follows: a reset spring is fixedly connected between the groove and the locking block. When the locking block is located in the groove, the reset spring is formed and the blocking plate opens to expose the lock hole of the lock cylinder.

[0010] A further preferred technical solution of this utility model is as follows: the door lock has a strip groove communicating with the slot below the locking block, and a pressing block is slidably connected in the strip groove. The pressing block has a protrusion integrally formed on it for pushing the locking block to slide. When the locking block is locked into the slot, the protrusion and the locking block are offset.

[0011] A further preferred embodiment of this utility model is: a second reset spring for pushing the pressing block to slide is fixedly connected inside the strip groove.

[0012] A further preferred embodiment of this utility model is as follows: the door lock has a recessed groove, the cover plate is hinged to the recessed groove by a pin, and a torsion spring for driving the cover plate to rotate is sleeved on the pin.

[0013] A further preferred embodiment of this invention is that magnetic sheets that can attract each other are fixedly connected to both the groove and the shielding plate.

[0014] Compared with the prior art, this utility model includes a door frame and a door body. The door body has an installation groove, in which a door lock is fixedly connected. A lock cylinder is slidably connected inside the door lock. A cover plate for blocking the lock hole of the lock cylinder is rotatably connected inside the door lock. When the side of the lock cylinder with the lock hole is at the same level as the side wall of the door lock, the cover plate opens and is perpendicular to the door lock. Therefore, when the security door is closed, the cover plate is closed and blocks the lock hole on the lock cylinder, effectively reducing the possibility of outsiders prying the lock through the lock hole and improving the anti-theft effect of the security door. Attached Figure Description

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present invention. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0016] Figure 1 This is an overall structural diagram of the present invention;

[0017] Figure 2 A cross-sectional view of this utility model Figure 1 ;

[0018] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle;

[0020] Figure 5 A cross-sectional view of this utility model Figure 2 ;

[0021] Figure 6 This utility model Figure 5 Enlarged view of point C in the middle.

[0022] In the diagram: 1. Door frame; 2. Door body; 3. Door lock; 4. Cover plate; 5. Pressing block; 6. Lock cylinder; 7. Limiting plate; 8. Spring; 9. Slide groove; 10. Second return spring; 11. Locking block; 12. Groove; 13. First return spring; 14. Strip groove; 15. Magnetic piece; 16. Embedded groove; 17. Pin; 18. Torsion spring. Detailed Implementation

[0023] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0024] It should be noted that similar labels in the following figures indicate similar items; therefore, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

[0025] Figures 1-5As shown, a security door with a security lock includes a door frame 1 and a door body 2 rotatably connected to the door frame 1. The door body 2 has an installation groove, and a door lock 3 is fixedly connected in the installation groove. A lock cylinder 6 is slidably connected in the door lock 3. A cover plate 4 for blocking the lock hole of the lock cylinder 6 is rotatably connected in the door lock 3. A recess 16 is provided on the door lock 3. The cover plate 4 is hinged in the recess 16 by a pin 17. A torsion spring 18 for driving the cover plate 4 to rotate is sleeved on the pin 17. When the side of the lock cylinder 6 with the lock hole is at the same horizontal plane as the side wall of the door lock 3, the cover plate 4 opens and is perpendicular to the door lock 3.

[0026] Figures 1-5 As shown, after opening the security door, the key is pulled out of the keyhole and the cover plate 4 is rotated towards the lock cylinder 6, so that the cover plate 4 pushes the lock cylinder 6 to slide inward until the cover plate 4 is embedded in the groove 16. At this time, the torsion spring 18 is deformed and the cover plate 4 hides the lock cylinder 6 inside the door lock 3, thereby preventing the keyhole on the lock cylinder 6 from being exposed and affecting the anti-theft effect. This design effectively improves the anti-theft effect of the security door.

[0027] Figures 1-5 As shown, by setting the groove 16, the cover plate 4 can be embedded into the door lock 3, thereby preventing the cover plate 4 from being easily lifted and further improving the anti-theft effect.

[0028] Figures 2-6 As shown, magnetic sheets 15 that can attract each other are fixedly connected to both the groove 16 and the baffle plate 4. Therefore, when the baffle plate 4 is located in the groove 16, the two magnetic sheets 15 attract each other to fix the baffle plate 4 in the groove 16, thus preventing the baffle plate 4 from actively popping open under the action of the deformed torsion spring 18.

[0029] Figures 2-6 As shown, the door lock 3 has a sliding groove 9, the lock cylinder 6 slides in the sliding groove 9, the depth of the sliding groove 9 is greater than the length of the lock cylinder 6, the lock cylinder 6 is fixedly connected to a limiting plate 7, the inner side wall of the sliding groove 9 has a limiting groove to facilitate the sliding of the limiting plate 7, and the lock cylinder 6 is fitted with a spring 8 located in the limiting groove.

[0030] Figures 2-6 As shown, the sliding groove 9 facilitates the sliding of the lock cylinder 6, while the cooperation between the limiting plate 7 and the limiting groove restricts the range of motion of the lock cylinder 6 and prevents the lock cylinder 6 from separating from the sliding groove 9 when sliding.

[0031] Figures 2-6 As shown, by setting the spring 8, when the cover plate 4 is opened, the lock cylinder 6 can automatically pop out to expose the lock hole, thus making it easier to unlock.

[0032] Figures 2-6As shown, a groove 12 is provided on the lock cylinder 6, and a locking block 11 is slidably connected in the groove 12. A slot is provided in the slide groove 9 to facilitate the locking block 11 to be engaged. When the locking block 11 is engaged, the baffle plate 4 closes and the spring 8 deforms. A return spring 8 is fixedly connected between the groove 12 and the locking block 11. When the locking block 11 is located in the groove 12, the return spring 8 is formed and the baffle plate 4 opens to expose the lock hole of the lock cylinder 6.

[0033] Figures 2-6 As shown, after unlocking, the cover plate 4 is rotated inward. At this time, as the cover plate 4 is pushed, the torsion spring 18 and the spring 8 are deformed, and the locking block 11 and the slot are gradually aligned. At this time, the deformed return spring 8 pushes the locking block 11 into the slot, thereby fixing the lock cylinder 6 and preventing the lock cylinder 6 from popping out when unlocking is not required.

[0034] Figures 2-6 As shown, the door lock 3 has a strip groove 14 below the locking block 11 that communicates with the locking slot. A pressing block 5 is slidably connected in the strip groove 14. A protrusion for pushing the locking block 11 to slide is integrally formed on the pressing block 5. When the locking block 11 is locked into the locking slot, the protrusion and the locking block 11 are offset. A return spring 8 for pushing the pressing block 5 to slide is fixedly connected in the strip groove 14.

[0035] Figures 2-6 As shown, when unlocking is required, press the pressing block 5 inward. As the pressing block 5 is pressed, the spring 8 deforms, and the protrusion gradually pushes the locking block 11 into the groove 12. At the same time, the return spring 8 deforms until the locking block 11 is completely separated from the groove. At this time, the lock cylinder 6 is released from its fixation. The deformed spring 8 pushes the lock cylinder 6 to slide towards the side of the cover plate 4 and pushes the cover plate 4 to rotate outward. At this time, the magnetic piece 15 on the cover plate 4 separates from the magnetic piece 15 in the groove 16. The fixation of the cover plate 4 is released. The deformed torsion spring 18 drives the cover plate 4 to open. At this time, the lock hole on the lock cylinder 6 is fully exposed, and the side of the lock cylinder 6 with the lock hole is on the same horizontal line as the outlet on the same side of the slide groove 9, which facilitates unlocking.

[0036] Figures 2-6 As shown, the pressing block 5 in the above structure serves to contact and fix the lock cylinder 6, thereby causing the lock cylinder 6 to pop out automatically, which facilitates unlocking and effectively improves the convenience of unlocking. After the pressing block 5 is pressed, it can be reset by the return spring 8, which is convenient for the next use. At the same time, when the cover plate 4 is closed, this design has a good effect of hiding the key hole, which effectively improves the anti-theft performance of the security door.

[0037] The present invention provides a security door with an anti-theft lock. Specific examples have been used to illustrate the principle and implementation of the invention. The descriptions of these embodiments are merely for the purpose of helping to understand the invention and its core concepts. It should be noted that those skilled in the art can make various improvements and modifications to the invention without departing from its principles, and these improvements and modifications also fall within the scope of protection of the claims.

Claims

1. A security door having a security door lock, comprising a door frame and a door body rotatably connected to the door frame, characterized in that, The door body has an installation groove, and a door lock is fixedly connected in the installation groove. A lock cylinder is slidably connected in the door lock. A cover plate for blocking the lock hole of the lock cylinder is rotatably connected in the door lock. When the side of the lock cylinder with the lock hole is at the same level as the side wall of the door lock, the cover plate opens and is perpendicular to the door lock.

2. A security door according to claim 1, characterised in that, The door lock has a sliding groove, the lock cylinder slides within the sliding groove, the depth of the sliding groove is greater than the length of the lock cylinder, a limit plate is fixedly connected to the lock cylinder, a limit groove is provided on the inner side wall of the sliding groove to facilitate the sliding of the limit plate, and a spring is sleeved on the lock cylinder within the limit groove.

3. A security door according to claim 2, characterised in that, The lock cylinder has a groove, and a locking block is slidably connected in the groove. The sliding groove has a slot to facilitate the locking block's insertion. When the locking block is inserted into the slot, the blocking plate closes and the spring deforms.

4. A security door according to claim 3, characterised in that, A reset spring is fixedly connected between the groove and the locking block. When the locking block is located in the groove, the reset spring is formed and the blocking plate opens to expose the lock cylinder's lock hole.

5. A security door according to claim 3, characterised in that, The door lock has a strip groove below the locking block that communicates with the locking slot. A pressing block is slidably connected in the strip groove. The pressing block has a protrusion integrally formed on it for pushing the locking block to slide. When the locking block is locked into the locking slot, the protrusion and the locking block are offset.

6. A security door according to claim 5, characterised in that, A second reset spring for pushing the pressing block to slide is fixedly connected inside the strip groove.

7. The security door with a security door lock according to claim 1, characterized in that, The door lock has a recessed groove, and the cover plate is hinged to the recessed groove by a pin. A torsion spring for driving the cover plate to rotate is sleeved on the pin.

8. A security door according to claim 7, characterised in that, Both the groove and the shield are fixedly connected with magnetic sheets that can attract each other.

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