CN220184836U - Handle type door lock - Google Patents

Abstract

The utility model relates to a handle type door lock, which comprises a shell connected with an outer door body, wherein an assembly groove is formed in the shell, a first rotating shaft and a second rotating shaft are inserted in the assembly groove, a handle and a lock tongue are hinged in the assembly groove, one end of the handle is a pulling end, the other end of the handle is a first abdicating groove, a linkage piece is hinged in the first abdicating groove, a second abdicating groove is formed in the lock tongue, a linkage piece is hinged in the second abdicating groove, the pulling end is rotated, the handle drives the linkage piece to rotate towards the direction of a fixing surface of the shell, and at the moment, the linkage piece drives the lock tongue to rotate, so that the rotation and the extension of the lock tongue are realized. The linkage piece is linked with the handle and the lock tongue, and the rotation of the lock tongue can be realized by means of the transmission of the linkage piece, so that the situation that the lock tongue is separated from and the handle cannot be reset can not occur if a user forcefully applies a heavier force in the door leaf opening and closing process, the handle type door lock has higher structural strength, and can work normally even if the door body is subjected to larger impact in the door body opening and closing process.

Description

Handle type door lock

Technical Field

The utility model relates to the technical field of hinges, in particular to a handle type door lock.

Background

A pull type door lock is a door lock that operates a lock body housing by pulling a handle, and is also called a handle lock or a door handle lock.

Handle type door locks are commonly used for indoor doors in residential and commercial buildings, such as bedroom doors, bathroom doors, conference room doors, and the like. Compared with the traditional rotary disc lock or bolt lock, the handle type door lock is easier to open and close, and is more convenient for the old and the disabled.

Whereas the prior art has the following disadvantages: because the handle type door lock is simpler in structural design, a user can often apply excessive force to cause larger impact on the door lock in the use process, for example, the door is broken or the door is closed due to wind blowing, and the condition that the lock tongue cannot be reset can occur under the large impact force in a simpler structure.

On the other hand, most handle type door locks are unlocked in a rotating mode, and the rotation is perpendicular to the opening direction (door opening direction) of the door locks, so that the unlocking and the door opening are actually two actions, and the door opening are relatively counterintuitive, so that certain influence is caused on the use of a door opener, and the door opening mode is not convenient enough.

Disclosure of Invention

In order to solve the problems, the utility model provides the handle type door lock which has high structural strength and strong practicality, and the unlocking direction of the handle is consistent with the opening direction.

In order to achieve the above purpose, the handle type door lock designed by the utility model comprises a shell connected with an outer door body, one surface of the shell connected with the outer door body is a fixed surface, an assembly groove is formed in the other surface of the shell opposite to the fixed surface, a first rotating shaft and a second rotating shaft are inserted into one side, far away from the fixed surface, of the assembly groove, a handle and a lock tongue are respectively hinged to the inside of the assembly groove through the first rotating shaft and the second rotating shaft, the handle is in a strip shape, one end, far away from the first rotating hole, of the handle is a pulling end, the other end, opposite to a spanner end, of the handle is provided with a first yielding groove, a linkage piece is hinged to the first yielding groove through a third rotating shaft, one end, far away from the first linkage part, of the linkage piece is a second linkage part, one side, far away from the assembly groove, of the assembly groove, is an insertion end used for being matched with the lock hole, the insertion end is connected with a fixed end on the lock tongue, the fixed end is in a strip shape, the fixed end is hinged to the second rotating shaft through a first rotating hole, one end, far away from the first rotating hole is hinged to the second rotating shaft, a locking piece is arranged on the second rotating plate, a fourth rotating shaft is hinged to the fourth rotating shaft is arranged on the second rotating shaft, and is hinged to the fourth rotating shaft, and a fourth linkage piece is hinged to the fourth rotating shaft is arranged on the fourth side, and the fourth shaft is hinged to the fourth rotating shaft, and the fourth shaft is connected to the fourth shaft. The handle and the lock tongue are linked through the linkage piece, the handle and the lock tongue are respectively hinged with the shell, the lock tongue can rotate only by means of the transmission of the linkage piece, the linkage piece is assembled in the first yielding groove of the handle and the second yielding groove of the lock tongue, all the parts are hinged with each other, the lock tongue is hinged with the handle and the shell, the structure is very compact and stable, and therefore, if a user uses heavier force in the door leaf opening and closing process, the situation that the lock tongue is separated from the handle and cannot reset cannot occur, the handle type door lock has higher structural strength, and can normally work even if the door body is opened and closed due to larger impact. On the other hand, unlike the common translational lock tongue in the prior art, the lock tongue is a rotary telescopic lock tongue, and the operation of pulling the handle to unlock is realized through the transmission of the linkage piece.

The further scheme is that a spring limiting column is arranged on one surface of the linkage piece, which is close to the fixing surface, a spring is inserted on the spring limiting column, and the spring abuts against the inner wall of the assembly groove. The setting of the spacing post of spring can prevent that the spring from droing, and the setting of spring can let this handle type lock have certain paragraph sense at the in-process of opening to can also rely on the elasticity of spring to let the user realize the reset of handle more easily.

The assembly groove is characterized in that an abutting surface abutting against the spring is arranged on the inner wall of the assembly groove, the abutting surface is in an angle relation with the fixed surface, one side, close to the handle, of the abutting surface is connected with a first blocking surface extending towards the handle, and the abutting surface is connected with a second blocking surface on one side, close to the lock tongue, of the abutting surface. The abutting surface matched with the spring can better provide reaction force for the spring in the door leaf opening and closing process, and the arrangement of the first blocking surface and the second blocking surface can well prevent the condition that the spring is separated out due to the fact that the linkage piece extrudes the spring in the door leaf opening and closing process.

The angle formed by the abutting surface and the fixing surface is an acute angle. The structure is characterized in that the spring is in oblique contact with the abutting surface, so that compared with an obtuse angle, the acute angle can better enable the abutting surface to abut against the spring, and a reaction force is provided for the spring.

Further, a limiting block protruding towards the outer door body is arranged between the pulling end and the first rotating hole on the handle; the position on the shell corresponding to the limiting block is provided with a third blocking surface, the limiting block is matched with the third blocking surface, and the limiting part abuts against the third blocking surface when the handle is reset. The cooperation of stopper and third blocking surface can be fine provide the stop of a termination position to handle reset process, simultaneously through the cooperation of handle appearance for the handle presents a plane on the surface with spring bolt and casing after reset, has better aesthetic property.

It is worth mentioning that the lock tongue is provided with a shielding part protruding towards the handle direction and matched with the first abdication groove on one side close to the handle. The shielding part can prevent the linkage piece from being exposed to affect the overall aesthetic property, and prevent external foreign matters from entering the assembly groove to a certain extent, thereby causing adverse effects on the handle type door lock.

Further aspects are that the lock hole comprises a first locking edge and a second locking edge; the insertion end is inserted between the first locking edge and the second locking edge when the door leaf is closed. When the door leaf is closed, the insertion end is inserted into the space between the first locking edge and the second locking edge, and the door leaf can be locked more firmly through the design, so that the safety is improved.

In a further aspect, the first locking edge is closer to the housing and the fixing surface than the second locking edge, the insertion end includes a first contact curved surface that mates with the first locking edge and a second contact plane that mates with the second locking edge, and the first contact curved surface is capable of rotationally abutting the first locking edge when the handle rotates to cause the locking tongue to rotate about the second axis of rotation. The structure is characterized in that when the handle is pulled, the lock tongue rotates around the second rotating shaft, the lock tongue is provided with a first contact curved surface and a second contact plane, the lock tongue is sequentially abutted with the first locking edge and the second locking edge respectively in the rotating process, when the first contact curved surface is abutted with the first locking edge, the lock tongue stops rotating, the handle is continuously pulled at the moment, the second contact plane on the lock tongue is abutted with the second locking edge, at the moment, the lock tongue rotates along the arc of the first contact curved surface due to the reaction force of the second locking edge, the arc action of the lock tongue can enable the lock tongue to withdraw from the opening of the second locking edge and the first lock tongue, the door leaf is opened, and a user only needs to hold the handle to rotate outwards to open the door leaf in the whole process, so that the door opening process is very concise. Meanwhile, the second locking edge is used for being matched with the lock tongue, and plays a role in locking the lock tongue in a non-rotating state of the lock tongue, so that locking of the door leaf is achieved.

Compared with the prior art that the elastic reset piece is used for realizing the reset and the state maintaining functions of the lock tongue, the handle type door lock disclosed by the utility model uses the hinged linkage piece, two sides of the linkage piece are respectively fixed in the first abdication groove and the second abdication groove of the handle and the lock tongue, the internal space utilization rate of the shell is improved, the structure of the whole shell is very compact, the linkage piece is respectively hinged with the lock tongue and the handle, the lock tongue and the handle are respectively hinged with the shell, the parts are firmly connected, the lock tongue can normally work even if the shell is subjected to larger impact force in the daily use process, and the condition that the lock tongue is separated or the lock tongue cannot be reset is avoided. In conclusion, the utility model has the characteristics of high structural strength and strong practicality.

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 a schematic view of a housing according to embodiment 1 of the present utility model;

FIG. 4 is a cross-sectional view of embodiment 1 of the present utility model;

FIG. 5 is a sectional view showing the middle of rotation in example 1 of the present utility model;

fig. 6 is a maximum limit rotation cross-sectional view of embodiment 1 of the present utility model.

Wherein: the device comprises a shell 1, a fixing surface 2, an assembly groove 3, a first rotating shaft 4, a second rotating shaft 5, a handle 6, a lock tongue 7, a first rotating hole 8, a pulling end 9, a first yielding groove 10, a third rotating shaft 11, a linkage piece 12, a first linkage part 13, a second linkage part 14, a lock hole 15, an insertion end 16, a fixing end 17, a second rotating hole 18, a fixing piece 19, a fourth rotating shaft 20, a spring limiting column 21, a spring 22, an abutting surface 23, a first blocking surface 24, a second blocking surface 25, a limiting block 26, a third blocking surface 27, a shielding part 28, a first locking edge 29, a second locking edge 30, a first contact curved surface 31 and a second contact plane 32.

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, 2 and 3, the pull handle type door lock described in this embodiment includes a housing 1 connected to an outer door body, a surface of the housing 1 connected to the outer door body is a fixed surface 2, an assembling groove 3 is formed in the other surface of the housing 1 opposite to the fixed surface, a first rotating shaft 4 and a second rotating shaft 5 are inserted into one side, far away from the fixed surface 2, of the assembling groove 3, a handle 6 and a lock tongue 7 are hinged in the assembling groove 3 through the first rotating shaft 4 and the second rotating shaft 5, the handle 6 is in a strip shape, the handle 6 is hinged with the first rotating shaft 4 through a first rotating hole 8 on the handle 6, one end, far away from the first rotating hole 8, of the handle 6 is a pulling end 9, the other end, opposite to the wrench end, of the handle 6 is provided with a first yielding groove 10, a linkage piece 12 is hinged in the first yielding groove 10 through a third rotating shaft 11, one end, where the linkage piece 12 is hinged with the handle 6 is a first linkage part 13, the end of the linkage piece 12 far away from the first linkage part 13 is a second linkage part 14, one side of the lock tongue 7 far away from the assembly groove 3 is an insertion end 16 for being matched with a lock hole 15, the insertion end 16 is connected with a fixed end 17 on the lock tongue 7, a second rotating hole 18 for being hinged with a second rotating shaft 5 is formed in the fixed end 17, fixing pieces 19 protruding outwards are arranged at the top and the bottom of one side of the fixed end 17 close to the linkage piece 12, a fourth rotating shaft 20 is inserted between the two fixing pieces 19, the lock tongue 7 is hinged with the second linkage part 14 of the linkage piece 12 through the fourth rotating shaft 20, the handle 6 rotates by taking the first rotating shaft 4 as a rotating shaft through rotating the pulling end 9, the handle 6 drives the linkage piece 12 to rotate towards the fixed surface 2 of the shell 1, at the moment, the lock tongue 7 is driven to rotate around the second rotating shaft 5 through the fourth rotating shaft 20, thereby realizing the operation of rotating and stretching the lock tongue 7.

As shown in fig. 2, a spring limit post 21 is arranged on one surface of the linkage member 12 close to the fixed surface 2, a spring 22 is inserted on the spring limit post 21, and the spring 22 abuts against the inner wall of the assembly groove 3

As shown in fig. 3, an abutment surface 23 abutting against the spring 22 is provided on the inner wall of the fitting groove 3, the abutment surface 23 is in an angular relationship with the fixing surface 2, the angle is an acute angle, the abutment surface 23 is connected to a first blocking surface 24 extending in the direction of the handle 6 on the side close to the handle 6, and the abutment surface 23 is connected to a second blocking surface 25 on the side close to the tongue 7.

As shown in fig. 4, 5 and 6, a limiting block 26 protruding towards the outer door body is arranged on the handle 6 between the pulling end 9 and the first rotating hole 8; the position of the shell 1 corresponding to the limiting block 26 is provided with a third blocking surface 27, the limiting block 26 is matched with the third blocking surface 27, and the limiting part abuts against the third blocking surface 27 when the handle 6 is reset.

As shown in fig. 1 and 2, the lock tongue 7 is provided with a shielding portion 28 protruding toward the handle 6 and engaging with the first relief groove 10 on a side close to the handle 6.

As shown in fig. 4, 5 and 6, the locking hole 15 includes a first locking edge 29 and a second locking edge 30; the insertion end 16 is inserted between the first and second lockers 29, 30 when the door is closed. While the first locking edge 29 is closer to the housing 1 and the fixing surface 2 than the second locking edge 30. That is, as shown in fig. 4, the first locking edge 29 is closer to the fixing surface 2 in the up-down direction and closer to the housing 1 in the left-right direction. The arrangement is such that the D first and second lockers 29, 30 form openings in the left-right and up-down directions that allow access to the locking bolt. The insertion end 16 includes a first contact curved surface 31 that mates with the first locking edge 29 and a second contact flat surface 32 that mates with the second locking edge 30, the first contact curved surface 31 being capable of rotationally abutting the first locking edge 29 when the handle 6 is rotated to cause rotation of the locking bolt 7 about the second axis of rotation 5.

In the use process of the utility model, the handle 6 is rotated to enable the lock tongue 7 to rotate around the second rotating shaft 5, at the moment, the first contact curved surface 31 of the lock tongue 7 is abutted against the first locking edge 29 to stop the lock tongue 7 from continuing to rotate, then the pulling end 9 is pulled continuously, at the moment, the second contact plane 32 of the lock tongue 7 is contacted with the second locking edge 30, at the moment, because the pulling end 9 is pulled continuously, the second locking edge 30 applies a reaction force to the lock tongue 7 to cause the lock tongue 7 to rotate along the arc line of the first contact curved surface 31, and the lock tongue 7 is separated from the lock hole 15.

When the door is closed, the first contact curved surface 31 contacts the outer side of the second locking edge 30 at the first time and rotates, so that the linkage piece 12 is driven to swing, the linkage piece 12 presses the spring 22, when the force is large enough, the swing of the linkage piece 12 presses the spring 22 to pass through the critical position, the spring 22 reversely pushes the linkage piece 12 after passing through the critical position, so that the lock tongue 7 reversely moves, the insertion end 16 enters the locking positions of the first locking edge 29 and the second locking edge 30, the automatic locking function is completed, and meanwhile, the handle 6 is also in a state of being flush with the shell 1.

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 (8)

1. The handle type door lock comprises a shell (1) connected with an outer door body, wherein one surface of the shell (1) connected with the outer door body is a fixed surface (2), the handle type door lock is characterized in that an assembly groove (3) is formed in the other surface of the shell (1) opposite to the fixed surface, a first rotating shaft (4) and a second rotating shaft (5) are inserted into one side, far away from the fixed surface (2), of the assembly groove (3), a handle (6) and a lock tongue (7) are hinged to the inside of the assembly groove (3) through the first rotating shaft (4) and the second rotating shaft (5) respectively, the handle (6) is in a strip shape, one end, far away from the first rotating hole (8), of the handle (6) is a pulling end (9), the other end, far away from the first rotating hole (8), of the handle (6) opposite to the pulling end (9), of the pulling end (9) is provided with a first rotating shaft (10), a linkage piece (12) is hinged to the first rotating shaft (11), the inside of the assembly groove (3), the first rotating shaft (12) is hinged to the first rotating shaft (12), the linkage piece (12) is hinged to the first end (13) and the linkage part (13) is hinged to the first end (13), one side of keeping away from assembly groove (3) on spring bolt (7) is for being used for with lockhole (15) complex insertion end (16), insertion end (16) are connected with stiff end (17) on spring bolt (7), offer on stiff end (17) be used for with second pivot (5) articulated second rotation hole (18), be equipped with outside outstanding stationary blade (19) on one side that stiff end (17) is close to linkage (12) its top and bottom, insert between two stationary blades (19) and be equipped with fourth pivot (20), spring bolt (7) are articulated through fourth pivot (20) and linkage (12) second linkage (14), through rotating pulling end (9), handle (6) use first pivot (4) to rotate as the axis of rotation, and handle (6) drive linkage (12) to casing (1) stationary plane (2) direction rotation, and at this moment linkage (12) drive spring bolt (7) around second pivot (5) rotation through fourth pivot (20), and then realize the flexible operation of spring bolt (7).

2. The handle type door lock according to claim 1, wherein a spring limit post (21) is arranged on one surface of the linkage piece (12) close to the fixed surface (2), a spring (22) is inserted on the spring limit post (21), and the spring (22) is abutted against the inner wall of the assembly groove (3).

3. The pull handle type door lock according to claim 2, wherein an abutting surface (23) abutting against the spring (22) is arranged on the inner wall of the assembly groove (3), the abutting surface (23) is in an angle relation with the fixing surface (2), one side of the abutting surface (23) close to the handle (6) is connected with a first blocking surface (24) extending towards the handle (6), and one side of the abutting surface (23) close to the lock tongue (7) is connected with a second blocking surface (25).

4. A pull-type door lock according to claim 3, characterized in that the abutment surface (23) forms an acute angle with the fixing surface (2).

5. The pull handle type door lock according to any one of claims 1 to 4, characterized in that a limiting block (26) protruding towards the fixed surface (2) is arranged between the pulling end (9) and the first rotating hole (8) on the pull handle (6); a third blocking surface (27) is arranged at a position, corresponding to the limiting block (26), on the shell (1), the limiting block (26) is matched with the third blocking surface (27), and when the handle (6) is reset, the limiting part abuts against the third blocking surface (27).

6. The pull-handle door lock according to claim 1, characterized in that the locking tongue (7) is provided with a shielding part (28) protruding towards the pull handle (6) and cooperating with the first relief groove (10) on the side close to the pull handle (6).

7. The pull-type door lock according to claim 1, characterized in that the lock aperture (15) comprises a first locking edge (29) and a second locking edge (30); the insertion end (16) is inserted between the first and second lockers (29, 30) when the door leaf is closed.

8. The pull handle door lock of claim 7, wherein the first locking edge (29) is closer to the housing (1) and the fixed surface (2) than the second locking edge (30), and the insertion end (16) includes a first contact curved surface (31) that mates with the first locking edge (29) and a second contact flat surface (32) that mates with the second locking edge (30), the first contact curved surface (31) being capable of rotationally abutting the first locking edge (29) when the handle (6) is rotated to cause the locking tongue (7) to rotate about the second axis of rotation (5).