CN213775116U

CN213775116U - Security door with lockhole protection function

Info

Publication number: CN213775116U
Application number: CN202022506616.XU
Authority: CN
Inventors: 刘海波; 李亚苓; 李雅君
Original assignee: Tangshan Wangjia Door Industry Co ltd
Current assignee: Tangshan Wangjia Door Industry Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-23
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to the technical field of doors, in particular to a security door with a lockhole protection function, which comprises a door frame, a door surface main body, a handle and a lock core, the inner side of the door frame is rotatably connected with a door surface main body through a hinge, the inner wall of the door frame is provided with a fixing groove, the outer surface of the door surface main body is fixed with a handle, the inside of the handle is inserted and fixed with a lock core, a lock hole protection component is arranged on the outer surface of the front end of the lock core and comprises a fixed box, the fixing box is connected and fixed with the outer surface of the front end of the handle through a screw, the outer surface of the fixing box is provided with a through groove in a penetrating way, the inner side of the fixed box is movably connected with a protection plate, the bottom end of the protection plate is rotatably connected with the inner wall of the fixed box through a rotating shaft, the outer surface of the front end of the fixed box is provided with a groove, and a push rod is movably arranged in the groove. The utility model discloses be convenient for protect the lockhole, and be convenient for open and shut at will.

Description

Security door with lockhole protection function

Technical Field

The utility model relates to a door technical field specifically is a burglary-resisting door with lockhole safeguard function.

Background

The anti-theft door is one of doors, and the common door plate is generally made of metal materials, is difficult to damage by external force, and has better anti-theft effect than the common wooden door, so the anti-theft door is called as an anti-theft door.

The tool to lock of burglary-resisting door is also effectual than ordinary timber theftproof, the burglary-resisting door lock core can be controlled in the world hook inserts the door frame, it is better with the fixed effect of door frame, some burglary-resisting doors use the fingerprint lock in addition, the trick lock, but no matter be the fingerprint lock, trick lock and mechanical lock all need the lock core, all there is the lockhole on the lock core, the lockhole is blockked up by lawless persons, or the user inserts other keys carelessly at night, because the key does not lead to the fact the fracture, can all influence and unblank, and current burglary-resisting door all can't be fine protects the lockhole, consequently need to design a burglary-resisting door with lockhole safeguard function and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burglary-resisting door with lockhole safeguard function to solve the unable fine problem of protecting the lockhole that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a security door with a lockhole protection function comprises a door frame, a door face main body, a handle and a lock cylinder, wherein the inner side of the door frame is rotatably connected with the door face main body through a hinge, a fixing groove is formed in the inner wall of the door frame, the outer surface of the door face main body is fixedly provided with the handle, the lock cylinder is fixedly inserted in the handle, a lockhole protection assembly is arranged on the outer surface of the front end of the lock cylinder and comprises a fixing box, the fixing box is fixedly connected with the outer surface of the front end of the handle through screws, a through groove is formed in the outer surface of the fixing box in a penetrating mode, a protection plate is movably connected to the inner side of the fixing box, the bottom end of the protection plate is rotatably connected with the inner wall of the fixing box through a rotating shaft, a groove is formed in the outer surface of the front end of the fixing box, a mandril is movably arranged in the groove, and a first spring is sleeved on the outer surface of the mandril, the both sides of guard plate all are provided with spacing subassembly, spacing subassembly includes the sleeve, and on the sleeve passed through the screw fixation in the inner wall of fixed box, telescopic inside telescopic connection has the spacer pin, the spacer pin deviates from telescopic one end and inserts with the inner chamber of recess and closes, the surface cover of spacer pin is equipped with the second spring.

Preferably, the inner wall of door frame is embedded to have first sealing strip, the outside surface of shop front main part is embedded to have the second sealing strip, and the second sealing strip is contradicted with first sealing strip.

Preferably, the rear end surface of guard plate is contradicted with the front end surface of lock core, and the rear end surface of guard plate is embedded to have a sealing ring, and the sealing ring is contradicted with the front end surface of lock core.

Preferably, the groove is splayed, the number of the ejector rods is two, and the two groups of ejector rods are arranged on two sides of the inner portion of the groove.

Preferably, the top lengths of the two groups of ejector rods are the same, the bottom lengths of the two groups of ejector rods are different, and the limiting pin is abutted to the bottom ends of the ejector rods.

Preferably, the bottom of guard plate is the arc, and the bottom of guard plate has seted up the draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-theft door with the lock hole protection function is convenient for protecting the lock hole and is convenient for opening and closing at will.

(1) Through installing lockhole protection component on hand, cover at the lock core front end through the protection plate, can protect the lock core, during the producer produces the lock core, the afterbody of supporting key on the lock core can be fixed with the identical unblock piece of recess internal shape, when the user opens the door, insert the unblock piece in the recess, unblock piece top ejector pin is with in the ejecting recess of spacer pin, can remove the spacing of guard plate, make the guard plate can rotate and keep away from the lock core, the user can unblank, because the unblock piece is together fixed with the key, the problem of the too multi-purpose wrong key of key has also been solved.

(2) Through having seted up the draw-in groove on the guard plate, make the counter-clockwise lock core of keeping away from of guard plate after, the spacer pin can make guard plate and fixed box fixed with the draw-in groove block, the user does not want to use the guard plate protection, do not close the guard plate can, need use only to push the guard plate logical inslot can, convenient operation is convenient for open and shut at will.

Drawings

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

FIG. 2 is a schematic top cross-sectional view of the structure at A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional front view of the keyhole guard assembly of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the protection plate of FIG. 3 according to the present invention;

fig. 5 is a partial schematic view of the structure of the guard plate and the limiting assembly shown in fig. 3 according to the present invention;

fig. 6 is a schematic front view of the keyhole guard assembly of fig. 2 according to the present invention.

In the figure: 1. a door frame; 2. a facade body; 3. a handle; 4. a lock cylinder; 5. a keyhole protection component; 501. a fixing box; 502. a through groove; 503. a protection plate; 504. a groove; 505. a top rod; 506. a first spring; 507. a limiting component; 5071. a sleeve; 5072. a spacing pin; 5073. a second spring; 508. a card slot; 6. fixing grooves; 7. a first seal strip; 8. a second seal strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a burglary-resisting door with lockhole safeguard function, including door frame 1, shop front main part 2, handle 3 and lock core 4, door frame 1's inboard is connected with shop front main part 2 through hinge rotation, fixed slot 6 has been seted up to door frame 1's inner wall, shop front main part 2's external fixed surface has handle 3, handle 3's inside is inserted and is established and be fixed with lock core 4, lock core 4 is by the internal core body, parts such as lockhole and lockpin are constituteed, the lockpin is inserted with fixed slot 6 and is closed fixedly, the aforesaid all is prior art, do not do too much here and explain.

The lock hole protection assembly 5 is arranged on the outer surface of the front end of the lock cylinder 4, the lock hole protection assembly 5 comprises a fixing box 501, the fixing box 501 is fixedly connected with the outer surface of the front end of the handle 3 through screws, a through groove 502 is formed in the outer surface of the fixing box 501 in a penetrating mode, a protection plate 503 is movably connected to the inner side of the fixing box 501 in a connecting mode, the bottom end of the protection plate 503 is rotatably connected with the inner wall of the fixing box 501 through a rotating shaft, a groove 504 is formed in the outer surface of the front end of the fixing box 501, a push rod 505 is movably installed in the groove 504, a first spring 506 is sleeved on the outer surface of the push rod 505, and as shown in fig. 5, the first spring 506 plays a role of providing elasticity for the push rod 505, and enables the push rod 505 to be always kept in a state as shown in fig. 5 when no external force is applied.

Both sides of the protection plate 503 are provided with the limiting assemblies 507, the limiting assemblies 507 include a sleeve 5071, the sleeve 5071 is fixed on the inner wall of the fixing box 501 through screws, the inner portion of the sleeve 5071 is telescopically connected with a limiting pin 5072, one end of the limiting pin 5072, which deviates from the sleeve 5071, is inserted into an inner cavity of the groove 504, the outer surface of the limiting pin 5072 is sleeved with a second spring 5073, as shown in fig. 5, the second spring 5073 plays a role of providing elasticity for the limiting pin 5072, so that the limiting pin 5072 can always keep a state as shown in fig. 5 when no external force is applied, the limiting pin 5072 is inserted into the groove 504, the protection plate 503 can be limited, and the protection plate 503 and the fixing box 501 are connected and fixed.

Further, as shown in fig. 2, the inner wall of the door frame 1 is embedded with a first sealing strip 7, the outer side surface of the door face main body 2 is embedded with a second sealing strip 8, and the second sealing strip 8 is abutted against the first sealing strip 7, so that the sealing performance between the door face main body 2 and the door frame 1 is improved.

Further, the rear end surface of guard plate 503 is contradicted with the front end surface of lock core 4, and the rear end surface of guard plate 503 is embedded to have a sealing ring, and the sealing ring is contradicted with the front end surface of lock core 4, improves the leakproofness between guard plate 503 rear end and the 4 front ends of lock core, can avoid the rainwater to get into in the lock core 4.

Further, as shown in fig. 5, the groove 504 is in a shape of a Chinese character 'ba', the number of the ejector rods 505 is two, the two groups of ejector rods 505 are arranged on two sides of the inside of the groove 504, and two groups of limit pins 5072 can be inserted into the groove 504 in the shape of a Chinese character 'ba', so that the connection stability of the protection plate 503 and the fixing box 501 is improved.

Further, as shown in fig. 5, the top ends of the two sets of ejector rods 505 have the same length, the bottom ends of the two sets of ejector rods 505 have different lengths, and the limit pin 5072 abuts against the bottom ends of the ejector rods 505, so that two sides of the unlocking block matched with the inside of the groove 504 can be designed into ejector blocks with different lengths, and only the matched unlocking block can push the ejector rods 505 to reach a proper position, so that the limit pin 5072 can be just ejected out of the groove 504.

Further, as shown in fig. 5, the bottom end of the protection plate 503 is arc-shaped, so that the protection plate 503 is more smooth when rotating, and the bottom end of the protection plate 503 is provided with a clamping groove 508, as shown in fig. 4, after the protection plate 503 is rotated and opened, the limit pin 5072 can be clamped with the clamping groove 508, so that the protection plate 503 is fixed.

The working principle is as follows: when the user opens the door, to insert the unblock piece with lock core 4 supporting key afterbody in the recess 504, unblock piece top ejector pin 505 with spacer pin 5072 ejecting in the recess 504, can remove the spacing of guard plate 503, the anticlockwise key that rotates again makes the unblock piece drive guard plate 503 anticlockwise rotation and keep away from lock core 4, can expose the lockhole on the lock core 4, the user normally opens the door again can.

After the protection plate 503 is away from the lock core 4 counterclockwise, the clamping groove 508 can rotate to the limit pin 5072, so that the limit pin 5072 is clamped with the clamping groove 508, the protection plate 503 is fixed to the fixing box 501, a user does not need to use the protection plate 503 for protection, the protection plate 503 is not closed, the protection plate 503 is required to be used, and the protection plate 503 is only required to be pushed into the through groove 502, so that the anti-theft lock is practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a burglary-resisting door with lockhole safeguard function, includes door frame (1), shop front main part (2), handle (3) and lock core (4), its characterized in that: the door is characterized in that the inner side of the door frame (1) is rotatably connected with a door face main body (2) through a hinge, a fixing groove (6) is formed in the inner wall of the door frame (1), a handle (3) is fixed on the outer surface of the door face main body (2), a lock cylinder (4) is fixedly inserted into the handle (3), a lock hole protection assembly (5) is arranged on the outer surface of the front end of the lock cylinder (4), the lock hole protection assembly (5) comprises a fixing box (501), the fixing box (501) is fixedly connected with the outer surface of the front end of the handle (3) through screws, a through groove (502) is formed in the outer surface of the fixing box (501) in a penetrating mode, a protection plate (503) is movably connected to the inner side of the fixing box (501), the bottom end of the protection plate (503) is rotatably connected with the inner wall of the fixing box (501) through a rotating shaft, and a groove (504) is formed in the outer surface of the front end of the fixing box (501), the inside movable mounting of recess (504) has ejector pin (505), the surface cover of ejector pin (505) is equipped with first spring (506), the both sides of guard plate (503) all are provided with spacing subassembly (507), spacing subassembly (507) includes sleeve (5071), and sleeve (5071) are fixed in on the inner wall of fixed box (501) through the screw, the inside telescopic connection of sleeve (5071) has spacer pin (5072), one end that spacer pin (5072) deviates from sleeve (5071) is inserted and is closed with the inner chamber of recess (504), the surface cover of spacer pin (5072) is equipped with second spring (5073).

2. The anti-theft door with the keyhole protection function according to claim 1, wherein: the inner wall of door frame (1) is embedded to have first sealing strip (7), the outside surface of shop front main part (2) is embedded to have second sealing strip (8), and second sealing strip (8) contradict with first sealing strip (7).

3. The anti-theft door with the keyhole protection function according to claim 1, wherein: the rear end surface of guard plate (503) is contradicted with the front end surface of lock core (4), and the rear end surface of guard plate (503) is embedded to have a sealing ring, and the sealing ring is contradicted with the front end surface of lock core (4).

4. The anti-theft door with the keyhole protection function according to claim 1, wherein: the groove (504) is in a splayed shape, the number of the ejector rods (505) is two, and the two groups of ejector rods (505) are arranged on two sides of the inner part of the groove (504).

5. The anti-theft door with a keyhole protection function according to claim 4, wherein: the length of the top ends of the two groups of the ejector rods (505) is the same, the length of the bottom ends of the two groups of the ejector rods (505) is different, and the limiting pin (5072) is abutted to the bottom ends of the ejector rods (505).

6. The anti-theft door with the keyhole protection function according to claim 1, wherein: the bottom end of the protection plate (503) is arc-shaped, and the bottom end of the protection plate (503) is provided with a clamping groove (508).