CN218953008U

CN218953008U - Handle lock

Info

Publication number: CN218953008U
Application number: CN202223317773.1U
Authority: CN
Inventors: 陈玉燕
Original assignee: Wenzhou Zhonglu Hardware Co ltd
Current assignee: Wenzhou Zhonglu Hardware Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-02
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a handle lock, which comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle, the outer base is rotatably provided with an outer handle, and the outer handle is linked with the inner handle through a square shaft; a lock core is arranged in the outer handle, and a locking component is arranged in the inner handle; the locking assembly comprises a locking seat, a transmission piece and a locking plate which is arranged in a sliding manner; the outer side wall of the transmission piece is provided with a spiral pushing part, the upper end part of the lock plate is provided with a pushing rod matched with the spiral pushing part, and the lower end part of the lock plate can penetrate through the locking seat to be matched with the inner bottom seat; the lock cylinder drives the transmission part to rotate through the linkage rod, and the spiral pushing part downwards pushes the pushing rod, so that the lower end part of the lock plate penetrates through the locking seat and then is matched with the inner base to lock the locking seat on the inner base; the lock cylinder is reversely rotated, the spiral pushing part can push the pushing rod upwards, so that the lower end part of the lock plate is separated from the inner base to unlock the locking seat; simple structure, reduce cost.

Description

Handle lock

Technical Field

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

Background

The door lock is a common door protection device for preventing illegal invasion of personnel outside the door, and the handle lock drives the lock tongue in the door frame buckling box to retract into the lock body by pressing down the handle so as to perform door opening operation; in order to back lock the door lock, preventing people outside the door from opening the door leaf by pressing down the handle, a locking mechanism is arranged in the handle, and the locking mechanism locks the handle on the handle seat; so that the handle cannot rotate relative to the handle seat.

Chinese patent publication No. CN216043102U discloses a gear type counter lock mechanism of a door lock, which is provided with a counter lock assembly in an inner door handle and a lock assembly in an outer door handle, wherein the counter lock assembly and the lock assembly are linked by a rotating lever; the locking assembly comprises a locking driving piece and a locking gear connected with the rotating rod, and a tooth part meshed with the locking gear is arranged at one end part of the locking driving piece; the locking assembly comprises a square shaft sleeve, a locking cam and a locking ball matched with the locking cam, one end part of the square shaft sleeve is fixedly connected with the door outer handle, and the other end part of the square shaft sleeve penetrates through a locking seat of the outer panel to be connected with the square shaft; the locking cam is rotatably arranged in Fang Zhoutao, and one end part of the locking cam is connected with the rotating rod; when the locking operation is performed, the locking driving piece is shifted to one side, the locking driving piece drives the rotating rod to rotate through the locking gear, and the locking cam is driven to rotate through the rotating rod, so that the locking balls are driven to be extruded outwards by the locking cam, and a part of the locking balls penetrate through the ball holes of the square shaft sleeve and are arranged in the locking grooves of the locking seat; the door outer handle is locked on the outer panel, so that the door outer handle and the door inner handle cannot be rotated to open the door; the door lock has more parts for realizing the back locking of the door lock, and has complicated production and assembly of the door lock, so that the production cost is higher.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a handle lock.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the handle lock comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle, the outer base is rotatably provided with an outer handle, and the outer handle is linked with the inner handle through a square shaft; a lock core is arranged in the outer handle, and a locking component is arranged in the inner handle;

the locking assembly comprises a locking seat fixed on the inner handle, a transmission piece and a locking plate which is arranged in a sliding way, wherein the transmission piece is rotatably arranged on the locking seat, and one end part of the transmission piece is linked with the lock cylinder through a linkage rod;

the outer side wall of the transmission piece is provided with a spiral pushing part, the upper end part of the lock plate is provided with a pushing rod matched with the spiral pushing part, and the lower end part of the pushing rod can penetrate through a lock hole on the locking seat to be matched with the inner base;

the lock cylinder drives the transmission part to rotate through the linkage rod, and the spiral pushing part downwards pushes the pushing rod, so that the lower end part of the lock plate penetrates through the locking seat and then is matched with the inner base to lock the locking seat on the inner base; the lock cylinder is reversely rotated, and the spiral pushing part can push the pushing rod upwards, so that the lower end part of the lock plate is separated from the inner base to unlock the locking seat.

The utility model further provides that: the spiral pushing part is outwards arranged on the outer side wall of the transmission piece in a protruding mode and comprises a pushing-down pushing part at the upper end and a pushing-up pushing part at the lower end;

when the lock plate is in the unlocking position, the transmission part is rotated, and the pushing part pushes down the upper end surface of the pushing rod; when the lock plate is in the locking position, the transmission part is reversely rotated, and the push-up pushing part can push the lower end face of the push rod upwards.

The utility model further provides that: the pushing-down pushing part is obliquely provided with a pushing-down guide surface, and the pushing-up pushing part is obliquely provided with an upward guiding surface;

the upper right side of the push rod is provided with an upper matching surface matched with the pressing guide surface, and the lower left side of the push rod is provided with a lower matching surface matched with the upper deduction guide surface.

The utility model further provides that: the lower end part of the lock plate is provided with two locking support legs at intervals, wherein a locking groove is arranged between the two locking support legs, and the locking groove can be matched with a locking part on the inner base to lock the locking seat on the inner base.

The utility model further provides that: the lock plate is connected with a back lock button, the outer side face of the back lock button is provided with a pressing part, and the pressing part penetrates out of a back lock button window of the inner handle.

The utility model further provides that: the push rod is arranged on the inner side surface of the back-locking button, and one end part of the push rod penetrates through the locking plate to be matched with the spiral push part.

The utility model further provides that: the two sides of the back lock button are outwards provided with protruding parts in a protruding mode, and the inner handle is internally provided with positioning elastic pieces matched with the protruding parts.

The utility model further provides that: the number of the positioning elastic pieces matched with each positioning part is two, and the two positioning elastic pieces are mutually overlapped.

The utility model has the beneficial effects that: the inner handle of the handle lock is internally provided with a locking component for locking the inner handle on the inner base, the locking component comprises a locking seat fixed on the inner handle, a transmission piece and a locking plate which is arranged in a sliding way, and one end part of the transmission piece is linked with a lock cylinder in the outer handle through a linkage rod;

when the door lock is in back locking operation, a lock cylinder is rotated by a key, the lock cylinder drives a transmission piece to rotate on a locking seat by a linkage rod, a spiral pushing part on the transmission piece pushes down a pushing rod, so that the lower end part of a lock plate penetrates through the locking seat and then is matched with an inner base to lock the locking seat on an inner base, and a person outside the door cannot push down an outer handle to open the door, thereby realizing the back locking of the door lock; when the lock is required to be unlocked, the lock cylinder is only required to be reversely rotated, the spiral pushing part can push the pushing rod upwards, so that the lower end part of the lock plate is separated from the inner base to unlock the locking seat, and the door opening operation can be performed by pressing the outer handle; the handle lock is in linkage fit with the lock plate through the linkage rod, the transmission piece and the lock plate, so that the door lock is locked reversely; the number of accessories for locking the door lock is reduced, the internal structure of the door lock is simple, and the assembly space is reduced; the production and assembly of door lock fittings are simplified, thereby reducing the production cost of the door lock.

Drawings

FIG. 1 is a schematic view of a handle lock according to the present utility model;

FIG. 2 is a schematic view of a square shaft removal structure of a handle lock according to the present utility model;

FIG. 3 is a state diagram showing the internal structure of the handle lock before back locking according to the present utility model;

FIG. 4 is a view showing the internal structure of the handle lock according to the present utility model after the back locking;

FIG. 5 is a state diagram showing the internal structure of the handle lock before unlocking according to the present utility model;

FIG. 6 is a view showing the internal structure of the handle lock after unlocking according to the present utility model;

FIG. 7 is a schematic view of a driving member of a handle lock according to the present utility model;

FIG. 8 is a schematic diagram of a driving member of a handle lock according to the present utility model;

FIG. 9 is a schematic view of a lock plate of a handle lock according to the present utility model;

FIG. 10 is a schematic view of the structure of a back-lock button of a handle lock according to the present utility model;

FIG. 11 is a schematic view of a lock base of a handle lock according to the present utility model;

FIG. 12 is a schematic view of the structure of the inner base of a handle lock according to the present utility model;

reference numerals illustrate: 1. an inner base; 11. a locking part; 2. an outer base; 3. an inner handle; 31. a locking assembly; 311. a locking seat; 3111. a lock hole; 312. a transmission 3121, a screw drive; 31211. a push-down pushing portion 312111, a push-down guide surface 31212, and a push-up pushing portion; 312121, upper bearing face; 313. a lock plate; 3131. locking feet 3132, locking grooves; 32. a back lock button window; 33. positioning a spring plate; 331. a positioning part; 4. a back lock button; 41. a pressing part; 42. a boss; 43. a push rod; 431. an upper mating surface; 432. a lower mating surface; 5. an outer handle; 51. a lock core; 6. a linkage rod 7 and a square shaft.

Detailed Description

A handle lock according to the present utility model will be described in further detail with reference to fig. 1 to 12.

A handle lock comprises an inner base 1 and an outer base 2, wherein the inner base 1 is arranged on the inner side of a door plate, and the outer base 2 is arranged on the outer side of the door plate; the inner base 1 is rotatably provided with an inner handle 3, the outer base 2 is rotatably provided with an outer handle 5, and the outer handle 5 is linked with the inner handle 3 through a square shaft 7; a lock cylinder 51 is arranged in the outer handle 5, and a locking component 31 is arranged in the inner handle 3;

the locking assembly 31 comprises a locking seat 311 fixed on the inner handle 3, a transmission piece 312 and a locking plate 313 which is arranged in a sliding way, wherein the transmission piece 312 is rotatably arranged on the locking seat 311, and one end part of the transmission piece 312 is linked with the lock cylinder 51 through a linkage rod 6; the outer side wall of the transmission member 312 is provided with a spiral pushing part 3121, the upper end part of the locking plate 313 is provided with a pushing rod 43 matched with the spiral pushing part 3121, and the lower end part of the pushing rod can penetrate through the locking seat 311 to be matched with the inner base 1, wherein a locking hole 3111 on the locking seat 311 is fixed with the inner handle 3 through a fastener;

when the door lock is in back locking operation, the lock cylinder 51 is rotated by a key, the lock cylinder 51 drives the transmission member 312 to rotate by the linkage rod 6, the spiral pushing part 3121 on the transmission member 312 pushes the pushing rod 43 downwards, so that the lower end part of the lock plate 313 passes through the lock seat 311 and then is matched with the inner base 1 to lock the lock seat 311 on the inner base 1, and a person outside the door cannot push the outer handle 5 to open the door, thereby realizing the back locking of the door lock; when unlocking is needed, only the lock cylinder 51 is required to be reversely rotated, the spiral pushing part 3121 pushes the pushing rod 43 upwards, so that the lower end part of the lock plate 313 is separated from the inner base 1 to unlock the locking seat 311, and the door lock can smoothly complete unlocking operation, namely, door opening operation can be performed by pressing the outer handle 5; the handle lock is in linkage fit with the lock plate 313 through the linkage rod 6, the transmission piece 312, so as to realize the back lock of the door lock; the number of accessories for locking the door lock is reduced, the internal structure of the door lock is simple, and the assembly space is reduced; the production and assembly of door lock fittings are simplified, thereby reducing the production cost of the door lock.

In order to enable the screw pushing part 3121 to push the push rod 43 better, the screw pushing part 3121 is provided to be protruded outwardly on the outer sidewall of the transmission member 312, and the screw pushing part 3121 includes a push-down pushing part 31211 at an upper end and a push-up pushing part 31212 at a lower end;

as shown in fig. 3, the lock plate 313 is in the unlocking position, the driving member 312 is rotated, the pushing rod 43 will enter the lower part of the pushing part 31211 (as shown in fig. 4), the pushing part 31211 pushes the upper end surface of the pushing rod 43 downwards, the lock plate 313 slides downwards, so that the lower end part of the lock plate is matched with the inner base 1, and the inner handle 3 is locked; as shown in fig. 5, the locking plate 313 is in the locking position, the driving member 312 is rotated reversely, the push rod 43 is moved above the push-up pushing portion (as shown in fig. 6), the push-up pushing portion 31212 is moved upward to push the lower end surface of the push rod 43, and the locking plate 313 is slid upward to separate the lower end portion thereof from the inner base 1; the lock on the inner handle 3 is released.

The pushing-down pushing portion 31211 is provided with a pushing-down guiding surface 312111 in an inclined manner, and the pushing-up pushing portion 31212 is provided with an upper guiding surface 312121 in an inclined manner; the pushing-down pushing part 31211 and the pushing-up pushing part 31212 are provided with a limiting part, which can limit the sliding distance of the pushing rod; an upper mating surface 431 mating with the pressing guiding surface 312111 is provided on the upper right side of the push rod 43, and a lower mating surface 432 mating with the upper deriving facing surface 312121 is provided on the lower left side of the push rod 43; when the back locking operation is performed, the upper matching surface 431 of the push rod 43 is matched with the pressing guide surface 312111, so that the interference between the pressing push part 31211 and the push rod 43 is avoided, the push rod 43 can more smoothly slide into the lower surface of the pressing push part 31211, and the pressing push part 31211 can more smoothly press the push rod 43 to move downwards;

when the unlocking operation is performed, the lower mating surface 432 of the push rod 43 mates with the upper pushing surface 312121, so that the push rod 43 is prevented from interfering with the push rod 43, and the push rod 43 can smoothly slide into the upper surface of the push rod 31212, so that the push rod 43 can be more smoothly pushed by the push rod 31212 to move upward.

Wherein, two locking support legs 3131 are arranged at intervals at the lower end part of the locking plate 313, a locking groove 3132 is arranged between the two locking support legs 3131, and the locking groove 3132 can be matched with the locking part 11 on the inner base 1 to lock the locking seat 311 on the inner base 1; that is, when the locking plate 313 moves downward, the two locking legs 3131 will pass through the locking seat 311, and the locking groove 3132 between the two locking legs 3131 will be inserted into the locking portion 11 of the inner base 1, so as to prevent the inner handle 3 from rotating on the inner base 1, thereby realizing back locking; when the lock plate 313 moves upward, the lock groove 3132 is separated from the lock portion 11, and the lock on the inner handle 3 is released.

For the door lock to perform a back locking operation in the door, the lock plate 313 is connected with a back locking button 4, a pressing part 41 is provided on an outer side surface of the back locking button 4, and the pressing part 41 penetrates out of the back locking button window 32 of the inner handle 3; by pressing down or pushing up the pressing portion 41, the lock plate 313 slides up and down in the inner handle 3, and the door lock is locked and unlocked in the door, and has a simple structure and convenient operation.

Wherein the push rod 43 is disposed on the inner side of the back-lock button 4, i.e., the push rod 43 is integrally formed with the back-lock button 4, and one end portion thereof passes through the locking plate 313 to be engaged with the screw pushing portion 3121.

In order to avoid the self-sliding of the back locking button 4 and switch the back locking and unlocking states of the door lock, the two side surfaces of the back locking button 4 are outwards provided with convex parts 42 in a convex mode, and the inner handle 3 is internally provided with a positioning elastic sheet 33 matched with the convex parts 42; the number of the positioning spring pieces 33 matched with each positioning part 331 is two, and the two positioning spring pieces 33 are mutually overlapped, so that a better positioning effect is achieved; when the back locking button 4 slides upwards from the back locking state, the protruding parts 42 at the two sides of the back locking button 4 can outwards press the positioning part 331 of the positioning elastic sheet 33 and pass over the positioning part 331 to be arranged above the positioning part 331; the positioning part 331 can prevent the positioning part 331 from sliding downwards, so that the structure of the door lock is more stable; meanwhile, when the door lock is switched between the locked state and the unlocked state by the locking button 4, the protruding part 42 outwards extrudes the positioning part 331 of the positioning elastic sheet 33, so that the door lock has a gear feel, and the locking button 4 of the door lock has better hand feeling.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The handle lock comprises an inner base and an outer base, wherein the inner base is rotatably provided with an inner handle, the outer base is rotatably provided with an outer handle, and the outer handle is linked with the inner handle through a square shaft; the method is characterized in that: a lock core is arranged in the outer handle, and a locking component is arranged in the inner handle;

2. A handle lock according to claim 1, wherein: the spiral pushing part is outwards arranged on the outer side wall of the transmission piece in a protruding mode and comprises a pushing-down pushing part at the upper end and a pushing-up pushing part at the lower end;

3. A handle lock according to claim 2, wherein: the pushing-down pushing part is obliquely provided with a pushing-down guide surface, and the pushing-up pushing part is obliquely provided with an upward guiding surface;

4. A handle lock according to claim 1, 2 or 3, wherein: the lower end part of the lock plate is provided with two locking support legs at intervals, wherein a locking groove is arranged between the two locking support legs, and the locking groove can be matched with a locking part on the inner base to lock the locking seat on the inner base.

5. A handle lock according to claim 1, 2 or 3, wherein: the lock plate is connected with a back lock button, the outer side face of the back lock button is provided with a pressing part, and the pressing part penetrates out of a back lock button window of the inner handle.

6. The handle lock according to claim 5, wherein: the push rod is arranged on the inner side surface of the back-locking button, and one end part of the push rod penetrates through the locking plate to be matched with the spiral push part.

7. The handle lock of claim 6, wherein: the two sides of the back lock button are outwards provided with protruding parts in a protruding mode, and the inner handle is internally provided with positioning elastic pieces matched with the protruding parts.

8. The handle lock of claim 7, wherein: the number of the positioning elastic pieces matched with each positioning part is two, and the two positioning elastic pieces are mutually overlapped.