CN219733056U - Concealed door lock - Google Patents

Abstract

The utility model relates to a hidden door lock, which comprises a strip-shaped shell, wherein a rotating shaft is inserted into one end of the shell, the shell comprises an upper cover and a lower cover which can be mutually spliced, an assembly cavity is formed in the upper cover and the lower cover after the upper cover and the lower cover are spliced, a rotating part is arranged in the assembly cavity, a lock tongue is assembled at one end of the assembly cavity far away from the rotating part, the rotating part is sleeved on the rotating shaft and comprises an inserting hole for being combined with the rotating shaft and a first fixed column arranged at one side of the inserting hole, a linkage part is hinged on the first fixed column, the other end of the linkage part is hinged with a second fixed column on the lock tongue, the lock tongue is clamped by a clamping piece, a first yielding groove for accommodating the second fixed column is formed in one side of the clamping piece close to the rotating shaft, a dragging block is arranged at the corresponding position of the lock tongue, the rotating shaft drives the rotating part to rotate, the rotating part drives the linkage part to drag the lock tongue, and the dragging block on the lock tongue drags the clamping piece together to realize the operation of stretching and retracting of the lock tongue.

Description

Concealed door lock

Technical Field

The utility model relates to the technical field of door locks, in particular to a concealed door lock.

Background

Door locks are a device for protecting houses and property from unauthorized persons entering a house or a specific area. The door lock functions not only to provide security protection, but also to help maintain privacy and personal space. Whereas a door lock refers to a lock that can be hidden within a door such that the door surface appears to be free of locks, increasing security and aesthetics.

The prior art has the following disadvantages: the existing concealed folding door lock is usually a bolt or a side-inserted mode for controlling the opening and closing of the door and only has a simple lock tongue, and the lock tongue of the existing concealed folding door lock is easy to pry and damage, so that the existing concealed folding door lock has the problem of low safety.

Disclosure of Invention

In order to solve the problems, the utility model provides a concealed door lock with higher safety performance.

In order to achieve the above purpose, the concealed door lock designed by the utility model comprises a strip-shaped shell, a rotating shaft is inserted into one end of the shell, the shell comprises an upper cover and a lower cover which can be mutually spliced, an assembling cavity is formed in the upper cover and the lower cover after the upper cover and the lower cover are spliced, a rotating part is arranged in the assembling cavity, a lock tongue is arranged at one end of the assembling cavity far away from the rotating part, the rotating part is sleeved on the rotating shaft, the rotating part comprises an inserting hole for being combined with the rotating shaft and a first fixed column arranged at one side of the inserting hole, a linkage part is hinged on the first fixed column, the linkage part is in a spanner shape, the linkage part is hinged with a second fixed column on the lock tongue, the lock tongue protrudes from one end of the shell far away from the rotating shaft, the lock tongue is covered by the clamping piece, a first abdicating groove for abdicating the second fixed column is formed in one side of the clamping piece, a second abdicating groove is formed in two sides of the clamping piece, a dragging block is arranged at a position corresponding to the second abdicating groove, the rotating shaft rotates, the rotating part is driven to rotate, and then the rotating part is driven to drive the rotating part to rotate, and the lock tongue is driven to stretch out and draw the lock tongue to stretch together. The structure is characterized in that the operation of the extension of the lock tongue can be realized by the linkage part, the lock tongue and the rotation part, the structure is simple, the clamping piece arranged outside the lock tongue can well prevent the lock tongue from being pried and damaged, the safety performance of the lock tongue is improved, and all the parts are assembled in the shell, so that the aesthetic property of the lock tongue can be better improved.

The further proposal is that a torsion spring is fixed at one side of the rotating part far away from the lock tongue; the one end that the lower cover was kept away from the spring bolt has seted up the torsional spring fixed orifices, the torsional spring is inserted and is located in the torsional spring fixed orifices. The spring return force can be provided to the torsional spring, when pivot and linkage part drag the spring bolt, the torsional spring is compressed, later when manual release spring bolt, the spring return force of torsional spring can be with spring bolt self return to original position, and this kind of structural design can improve the convenient to use nature and the reliability of spring bolt, reduces user's operation degree of difficulty, reinforcing spring bolt's stability and security.

Still further scheme is that the clamping piece is U type structure setting, and it is with the spring bolt package clamp in U type inslot, and the spring bolt protrusion is hook lock portion in U type inslot, and when rotating the pivot, the spring bolt promotes the clamping piece and pops out, and the clamping piece bumps with the lockhole inner wall in advance, and the spring bolt striking U type inslot wall pops up, relies on the cooperation of spring bolt and clamping piece to lock the door body. The structure is characterized in that the clamping piece is matched with the lock tongue to realize the operation of spring out of the lock tongue, and the clamping piece is arranged in a U-shaped structure, so that the anti-prying effect can be better realized.

The further scheme is that one side of the shell far away from the rotating shaft is provided with a fixing piece, the fixing piece is used for being connected and fixed with the outer door body, a first lock tongue hole is formed in the fixing piece, and the lock tongue and the clamping piece are inserted into the first lock tongue hole of the fixing piece. The design of stationary blade can make this scheme realize more firm connection with the outside door body, has increased the fixed performance of tool to lock.

The further scheme is that two rotating grooves are formed in one face, connected with an external door body, of the fixing piece, notches of the two rotating grooves are arranged in opposite directions on the fixing piece, an embedded groove is formed in the fixing piece, one end, close to the rotating groove, of the embedded groove is a ramp inclined to the door body, a pull buckle is hinged in the rotating groove, the pull buckle is hinged with the rotating groove through a pull buckle connecting shaft on the pull buckle, the pull buckle is obliquely pushed into the embedded groove, then the pull buckle connecting shaft is arranged in the rotating groove to assemble the pull buckle, and the pull buckle can rotate by taking the pull buckle connecting shaft as a rotating shaft, so that the operation of overturning a certain angle on the plane of the fixing piece is realized. The setting of pulling buckle can let the user draw out the door body with this pulling buckle when moving the door and drawing in, has increased the practicality of this scheme to the pulling buckle is located the inslot when not using, and the pulling buckle flushes with the fixed one-tenth face this moment, just so can not appear the gap between the door body when the lock is closed.

The further scheme is that a second lock tongue hole is formed in a position, corresponding to the first lock tongue hole, of the pull buckle. The second lock tongue hole not only can be used as a abdication hole of the lock tongue, but also can be used as a pull ring on the pull buckle, so that a user can more easily operate when pulling the pull buckle.

In order to achieve a better linkage effect, the section of the rotating shaft is arranged in a polygonal shape; the insertion hole is matched with the section of the rotating shaft. The section of the rotating shaft arranged in the polygon shape can enable the rotating shaft and the insertion hole to be stressed better.

The further scheme is that the rotating shaft is formed by splicing an upper shaft and a lower shaft, two ends of the rotating shaft, far away from the shell, are respectively connected with an outer knob and an inner knob, the upper shaft is positioned on one side of the outer knob, facing the shell, and the lower shaft is positioned on one side of the inner knob, facing the shell. More specifically, the rotating shaft is formed by splicing an upper shaft and a lower shaft on the outer knob and the inner knob, and the structure is characterized in that the linkage of the outer knob and the inner knob is realized.

In a further scheme, a first insertion hole for accommodating the insertion of the upper shaft is formed in the inner knob, a second insertion hole for accommodating the insertion of the lower shaft is formed in the outer knob, and the upper shaft and the lower shaft are respectively inserted into the first insertion hole and the second insertion hole to be combined into a lock button part. The arrangement of the placement holes can well enable the upper shaft and the lower shaft to be inserted into the inner knob and the outer knob, so that the combination stability of the upper shaft and the lower shaft is improved.

The hidden door lock designed by the utility model realizes linkage of the rotating part and the lock tongue through the linkage part, can realize the telescopic operation of the lock tongue by only the three parts, is assembled in the shell, has compact structural arrangement, is connected with a clamping piece for clamping the lock tongue by a bag through dragging blocks at two sides of the lock tongue outside the lock tongue, can prevent the lock tongue from being prized, increases the safety performance of the scheme, and is also provided with a pull buckle at the fixed piece, and the pull buckle can pull out the door body when the outer rotating button is not easy to operate, so that a user can move the door leaf more conveniently, and the practicability of the door lock is increased.

Drawings

FIG. 1 is a schematic diagram of embodiment 1 of the present utility model;

FIG. 2 is an exploded view of example 1 of the present utility model;

FIG. 3 is another directional view of embodiment 1 of the present utility model;

FIG. 4 is a schematic view of a fixing sheet according to embodiment 1 of the present utility model;

FIG. 5 is a schematic illustration of an inside and outside knob according to embodiment 1 of the present utility model;

fig. 6 is a sectional view of a rotary shaft according to embodiment 1 of the present utility model.

Wherein: the device comprises a shell 1, a rotating shaft 2, an upper cover 3, a lower cover 4, an assembly cavity 5, a rotating part 6, a lock tongue 7, an insertion hole 8, a first fixing column 9, a linkage part 10, a second fixing column 11, a clamping piece 12, a first yielding groove 13, a second yielding groove 14, a dragging block 15, a torsion spring 16, a torsion spring fixing hole 17, a U-shaped groove 18, a hook locking part 19, a fixing piece 20, a first lock tongue hole 21, a rotating groove 22, a placing groove 23, a ramp 24, a pull buckle 25, a pull buckle connecting shaft 26, a second lock tongue hole 27, an upper shaft 28, a lower shaft 29, an outer rotating button 30, an inner rotating button 31, a first placing hole 32 and a second placing hole 33.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

As shown in fig. 1, fig. 2 and fig. 3, this embodiment describes the hidden door lock, including the casing 1 of rectangular shape, insert on casing 1 one end and be equipped with pivot 2, casing 1 is including upper cover 3 and the lower cover 4 that can mutually amalgamation, inside assembly chamber 5 that is formed with after upper cover 3 and the lower cover 4 amalgamation, be equipped with in the assembly chamber 5 and rotate part 6, be equipped with spring bolt 7 in assembly chamber 5 one end of keeping away from rotation part 6, rotate part 6 cover and locate on pivot 2, and rotate part 6 including be used for with the insertion hole 8 of pivot 2 combination and set up in the first fixed column 9 of insertion hole 8 one side, articulated on the first fixed column 9 have linkage part 10, linkage part 10 is the setting of spanner form, and linkage part 10 is articulated with the second fixed column 11 on the spring bolt 7, spring bolt 7 is kept away from the one end of pivot 2 from casing 1 and is outstanding, spring bolt 7 is wrapped by clamping piece 12, clamping piece 12 is equipped with the first groove 13 that is used for keeping away from second fixed column 11 on one side that is close to the pivot 2, rotates part 12 and is equipped with the first clamping piece 12 that is kept away from, and is equipped with the second clamping piece 10 and rotates part 14 and the first clamping piece 14 is rotated in the same place of rotation part 10, and the first clamping piece 10 is rotated part 14 is rotated and the clamping piece 10 is rotated part 2 and is rotated in the first clamping piece 10 and is rotated part 2 and is rotated and is dragged part 2.

As shown in fig. 3, a torsion spring 16 is fixed on one side of the rotating part 6 away from the lock tongue 7; the one end of the lower cover 4 far away from the lock tongue 7 is provided with a torsion spring fixing hole 17, and the other end of the torsion spring 16 is fixed in the torsion spring fixing hole 17.

As shown in fig. 2, the clamping piece 12 is provided with a U-shaped structure, the locking bolt 7 is wrapped in the U-shaped groove 18, the part of the locking bolt 7 protruding from the U-shaped groove 18 is a hook locking part 19, when the rotating shaft 2 rotates, the locking bolt 7 pushes the clamping piece 12 to eject, the clamping piece 12 collides with the inner wall of the lock hole in advance, the locking bolt 7 collides with the inner wall of the U-shaped groove 18 to eject upwards, and the door body is locked by the cooperation of the locking bolt 7 and the clamping piece 12.

As shown in fig. 1 and 3, a fixing piece 20 is disposed on one side of the housing 1 far away from the rotating shaft 2, the fixing piece 20 is used for being fixedly connected with an external door body, a first lock tongue hole 21 is formed in the fixing piece 20, and the lock tongue 7 and the clamping piece 12 are inserted into the first lock tongue hole 21 of the fixing piece 20.

As shown in fig. 1 and 3, two rotating slots 22 are formed on one surface of the fixing piece 20, which is connected with the outer door body, the notches of the two rotating slots 22 are oppositely arranged on the fixing piece 20, an imbedding slot 23 is formed on the fixing piece 20, one end of the imbedding slot 23, which is close to the rotating slot 22, is a ramp 24 inclined to the door body, a pull buckle 25 is hinged in the rotating slot 22, the pull buckle 25 is hinged with the rotating slot 22 through a pull buckle connecting shaft 26 on the pull buckle 25, the pull buckle 25 can be assembled by pushing the pull buckle 25 into the imbedding slot 23 in an inclined manner, and then the pull buckle 25 can rotate by taking the pull buckle connecting shaft 26 as a rotating shaft, so that the operation of turning over a certain angle on the plane of the fixing piece 20 is realized.

As shown in fig. 1 and 3, a second latch hole 27 is formed at a position of the pull buckle 25 corresponding to the first latch hole 21.

As shown in fig. 5, the section of the rotating shaft 2 is polygonal; the insertion hole 8 is matched with the section of the rotating shaft 2.

As shown in fig. 5, as shown in fig. 2, the rotating shaft 2 is formed by splicing an upper shaft 28 and a lower shaft 29, two ends of the rotating shaft 2 far away from the shell 1 are respectively connected with an outer knob 30 and an inner knob 31, the upper shaft 28 is positioned at one side of the outer knob 30 facing the shell 1, and the lower shaft 29 is positioned at one side of the inner knob 31 facing the shell 1.

As shown in fig. 6, the inner knob 31 is provided with a first insertion hole 32 for receiving the insertion of the upper shaft 28, the outer knob 30 is provided with a second insertion hole 33 for receiving the insertion of the lower shaft 29, and the upper shaft 28 and the lower shaft 29 are respectively inserted into the first insertion hole 32 and the second insertion hole 33 to be combined into a knob member.

When the concealed door lock designed by the utility model is used, a door leaf is required to be pulled out through the pull buckle 25, then the rotating shaft 2 is rotated, the rotating shaft 2 is matched with the linkage component 10 to push out the lock tongue 7, the dragging block 15 on the lock tongue 7 pushes the clamping piece 12 to be pushed out from the first lock tongue hole 21 together, when the clamping piece 12 enters a lock hole at the other end, the clamping piece 12 is impacted with the inner wall of the lock hole, and at the moment, the lock tongue 7 is impacted with the inner wall of the U-shaped groove 18 on the clamping piece 12 to cause the lock tongue 7 to be ejected upwards to buckle the door leaf.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a secretly receive lock, includes rectangular casing (1), inserts on casing (1) one end and is equipped with pivot (2), casing (1) are including upper cover (3) and lower cover (4) that can mutually amalgamation, a serial communication port, inside assembly chamber (5) that are formed with after upper cover (3) and lower cover (4) amalgamation, be equipped with in assembly chamber (5) and rotate part (6), be equipped with spring bolt (7) in the one end that rotates part (6) was kept away from in assembly chamber (5), rotate part (6) cover and locate on pivot (2), and rotate part (6) including be used for with pivot (2) combination insert hole (8) and set up in first fixed column (9) of insert hole (8) one side, articulated on first fixed column (9) have linkage part (10), linkage part (10) are spanner-like setting, and the second fixed column (11) on the spring bolt (7) are articulated, spring bolt (7) are kept away from pivot (2) one end and are kept away from pivot (2) and are equipped with on the second clamping piece (12) of holding down, be used for holding down one side (13) of pivot (12) and are close to one side clamping piece (13), offer second groove (14) of stepping down on the both sides face of clamping piece (12), spring bolt (7) and second groove (14) of stepping down correspond the position and are equipped with and drag piece (15), rotate pivot (2), pivot (2) drive rotation part (6) and rotate, later rotation part (6) drive linkage part (10), linkage part (10) drag spring bolt (7), and drag piece (15) on spring bolt (7) drag clamping piece (12) together realize spring bolt (7) and the flexible operation of clamping piece (12).

2. The concealed door lock according to claim 1, characterized in that a torsion spring (16) is fixed on the side of the rotating part (6) away from the lock tongue (7); one end of the lower cover (4) far away from the lock tongue (7) is provided with a torsion spring fixing hole (17), and the torsion spring (16) is inserted into the torsion spring fixing hole (17).

3. The concealed door lock according to claim 1, wherein the clamping piece (12) is provided with a U-shaped structure, the locking bolt (7) is clamped in the U-shaped groove (18), the part of the locking bolt (7) protruding out of the U-shaped groove (18) is a hook locking part (19), when the rotating shaft (2) rotates, the locking bolt (7) pushes the clamping piece (12) to eject, the clamping piece (12) collides with the inner wall of the lock hole in advance, the locking bolt (7) collides with the inner wall of the U-shaped groove (18) to bounce upwards, and the door body is locked by means of the cooperation of the locking bolt (7) and the clamping piece (12).

4. The hidden door lock according to claim 1, wherein a fixing piece (20) is arranged on one side, far away from the rotating shaft (2), of the shell (1), the fixing piece (20) is used for being connected and fixed with an outer door body, a first lock tongue hole (21) is formed in the fixing piece (20), and the lock tongue (7) and the clamping piece (12) are inserted into the first lock tongue hole (21) of the fixing piece (20).

5. The hidden door lock according to claim 4, wherein two rotating grooves (22) are formed in one surface, connected with the external door body, of the fixing piece (20), notches of the two rotating grooves (22) are oppositely formed in the fixing piece (20), an embedded groove (23) is formed in the fixing piece (20), one end, close to the rotating groove (22), of the embedded groove (23) is a ramp (24) inclined to the door body, a pull buckle (25) is hinged in the rotating groove (22), the pull buckle (25) is hinged with the rotating groove (22) through a pull buckle connecting shaft (26) on the pull buckle, the pull buckle (25) can be assembled by obliquely pushing the pull buckle connecting shaft (26) into the embedded groove (23), and then the pull buckle (25) can rotate by taking the pull buckle connecting shaft (26) as a rotating shaft, so that the pull buckle (25) can be turned over a certain angle on the plane of the fixing piece (20).

6. The concealed door lock according to claim 5, wherein the pull buckle (25) is provided with a second latch hole (27) at a position corresponding to the first latch hole (21).

7. The hidden door lock according to claim 1, wherein the cross section of the rotating shaft (2) is polygonal; the insertion hole (8) is matched with the section of the rotating shaft (2).

8. The concealed door lock according to claim 7, wherein the rotating shaft (2) is formed by splicing an upper shaft (28) and a lower shaft (29), two ends of the rotating shaft (2) far away from the shell (1) are respectively connected with an outer knob (30) and an inner knob (31), the upper shaft (28) is positioned at one side of the outer knob (30) facing the shell (1), and the lower shaft (29) is positioned at one side of the inner knob (31) facing the shell (1).

9. The blind door lock according to claim 8, wherein the inner knob (31) is provided with a first insertion hole (32) for receiving the insertion of the upper shaft (28), the outer knob (30) is provided with a second insertion hole (33) for receiving the insertion of the lower shaft (29), and the upper shaft (28) and the lower shaft (29) are respectively inserted into the first insertion hole (32) and the second insertion hole (33) to be combined into a knob member.