CN218293155U

CN218293155U - Door handle assembly capable of preventing unlocking from cat eye and door lock thereof

Info

Publication number: CN218293155U
Application number: CN202220240325.7U
Authority: CN
Inventors: 汤建; 赵海青; 刘谔正; 李骁
Original assignee: Shenzhen Fenda Smart Home Co ltd
Current assignee: Shenzhen Fenda Smart Home Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2023-01-13
Anticipated expiration: 2032-01-28

Abstract

The utility model provides a door handle assembly and a door lock thereof for preventing from being unlocked from a cat eye, which comprises an inner handle, wherein the inner handle is provided with a rotating shaft and a button hole; the button assembly is arranged in the button hole in a sliding mode; the elastic reset piece is arranged in the button hole; the connecting rod is fixedly connected with the button and moves along with the sliding of the button; the square shaft sleeve comprises a shaft sleeve body, the shaft sleeve body is rotatably arranged on the door lock frame, a square shaft hole is formed in one side of the shaft sleeve body, an inserting hole matched with the connecting rod is formed in the other side of the shaft sleeve body, the inserting hole and the connecting rod are arranged in a sliding mode, and the shaft is axially and relatively fixed. The removal of connecting rod is being controlled to the button, and when the connecting rod stretched into the patchhole, the rotatory work of control square shaft could just be accomplished to the handle, and the button receives the control that elasticity reset the piece for keep away from the below axle sleeve under the button natural state, consequently can avoid unblanking from the cat eye, improve the security of this lock.

Description

Door handle assembly capable of preventing unlocking from cat eye and door lock thereof

Technical Field

The utility model relates to a lock technical field especially relates to a prevent door handle subassembly and lock that unblanks from cat eye.

Background

The door lock is used for locking the door to prevent other people from opening the door, the door lock is classified into a plurality of classes, requirements on the door lock are different in various occasions, the anti-theft door lock is generally used in common families, safety is high, and price is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a door handle assembly for preventing unlocking from a cat eye, so as to solve the above mentioned technical problems in the prior art.

The utility model discloses an one of the purpose adopts following technical scheme to realize: a door handle assembly that prevents unlocking from a cat-eye, comprising:

the inner handle is provided with a rotating shaft, the inner handle is rotatably arranged on the door lock frame through the rotating shaft, and the inner handle is provided with a button hole;

the button assembly comprises a button body, and the button body is arranged in the button hole in a sliding mode;

the elastic reset piece is arranged in the button hole;

the connecting rod is fixedly connected with the button body and moves along with the sliding of the button;

the square shaft sleeve comprises a shaft sleeve body, the shaft sleeve body is rotatably arranged on the door lock frame, a square shaft hole used for being connected with the square shaft is formed in one side of the shaft sleeve body, an inserting hole used for being matched with the connecting rod is formed in the other side of the shaft sleeve body, the inserting hole is formed in the moving path of the connecting rod, the inserting hole and the connecting rod are arranged in a sliding mode, and the inserting hole and the connecting rod are axially and relatively fixed.

Further, one end of the connecting rod is a square end, and the insertion hole is a square concave hole matched with the direction end.

Further, the door lock frame comprises a main frame body and a blocking plate, the inner handle is rotatably arranged on one side of the main frame body, the blocking plate is arranged on the other side of the main frame body, and the connecting rod and the square shaft sleeve are arranged between the main frame body and the blocking plate.

Further, still include the handle subassembly that resets, the handle subassembly that resets includes connecting bolt, spacing seat and torque spring, spacing seat is established between axis of rotation and square shaft sleeve, connecting bolt establishes in the axis of rotation, be equipped with the opening that supplies connecting bolt to stretch out in the axis of rotation, connecting bolt's the extension and spacing seat thread fixed connection, be equipped with in connecting bolt and the spacing seat and supply the gliding slip hole one of connecting rod and slip hole two, torque spring establishes between spacing seat and the middle frame body and torque spring's one end fixed connection middle frame body, square shaft sleeve and torque spring fixed connection.

Furthermore, a threaded hole is formed in the button body, the end portion of the connecting rod is in threaded connection with the button body, and the elastic reset piece is an elastic spring.

Furthermore, the square shaft sleeve further comprises two swing arms, the two swing arms are arranged on the shaft sleeve body, two arm crutches are arranged on the torsion spring, and the two arm crutches correspond to the two swing arms one to one and are fixedly connected with the two swing arms.

The utility model also provides a door lock, the door lock includes the door handle subassembly that prevents to unblank from the cat eye that the aforesaid mentioned.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses in, the removal of connecting rod is being controlled to the button, and when the connecting rod stretched into the patchhole, the rotatory work of control square shaft could just be accomplished to the handle, and the button receives the control that elasticity resets for keep away from the square shaft cover under the button natural state, consequently can avoid unblanking from the cat eye, improve the security of this lock.

Drawings

Fig. 1 is an overall schematic diagram of some embodiments of the present invention;

fig. 2 is a schematic diagram of the internal structure of some embodiments of the present invention;

fig. 3 is a schematic view of the structure of some embodiments of the present invention connecting rod and button body;

fig. 4 is a schematic view of a square shaft sleeve structure according to some embodiments of the present invention;

fig. 5 is a schematic structural view of a spacing seat according to some embodiments of the present invention;

in the figure:

1. an inner handle; 11. a rotating shaft; 12. a button hole;

2. a button assembly; 21. a button body;

3. an elastic reset member;

4. a connecting rod; 41. a square end;

5. a square shaft sleeve; 51. a shaft sleeve body; 511. a square shaft hole; 512. an insertion hole; 52. a swing arm;

6. a door lock frame; 61. a main frame body; 611. rotating the hole; 612. a bearing; 62. a blocking plate; 621. perforating;

7. a handle reset assembly; 71. a connecting bolt; 711. a first sliding hole; 72. a limiting seat; 721. a limiting shaft; 7211. a second sliding hole; 722. a fixing plate; 73. a torsion spring.

Detailed Description

The present invention will be further described with reference to fig. 1 to 5 and the detailed description thereof, and it should be noted that, in the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

The embodiment of the utility model provides a prevent door handle subassembly of unblanking from cat eye, as shown in fig. 1 and fig. 2, including inner handle 1, button subassembly 2, elasticity reset piece 3, connecting rod 4 and square shaft sleeve 5;

the inner handle 1 is arranged on the inner side of the door, the existing common handle is adopted and generally made of aluminum alloy or stainless steel materials, the rotating shaft 11 is arranged on the inner handle 1, the inner handle 1 is rotatably arranged on the door lock frame 6 through the rotating shaft 11, the door lock frame 6 comprises a main frame body 61 and a blocking plate 62, the inner handle 1 is rotatably arranged on the inner side of the main frame body 61, the main frame body 61 is generally provided with a rotating hole 611 and a bearing 612 for rotation, and parts in the inner handle 1 and the main frame body 61 are blocked through a panel, the main frame body 61 is arranged on the door, the blocking plate 62 is arranged on the other side of the main frame body 61, other parts in the door handle assembly are all arranged in a closed space formed between the main frame body 61 and the blocking plate 62, the inner handle 1 is provided with a button hole 12, and a button is empty for the button assembly 2 to slide in the button hole 12, and the matching of the other parts is realized through pressing; the button assembly 2 has various structural schemes, as shown in fig. 3, but in the present embodiment, the simplest structure is adopted, the button assembly only includes a button body, the button body is cylindrical, the button body can be slidably disposed in a button hole 12, that is, the button hole 12 can move inward from the outside, an elastic reset member 3 is further disposed in the button hole 12, the elastic reset member 3 is matched with the button body, when the elastic reset member 3 is in an extended state in a natural state, a movable space is left between the button body and the inner end of the button hole 12, the button body is also squeezed by the elastic reset member 3, the button body can move inward only under the condition of a certain pressure, the existing theft device is difficult to press the button body 21, the button body 21 can drive a connecting rod 4 to move when moving inward, the connecting rod 4 is fixedly connected with the button body, a threaded hole is disposed on the button body 21, the end of the connecting rod 4 is in threaded connection with the button body 21, the elastic reset member 3 is selected as an elastic spring, the connecting rod 4 conveniently passes through the elastic reset member 3, the connecting rod 4 moves along with the sliding button, when the connecting rod 4 moves backward, the connecting rod is connected with a sleeve 5, the sleeve 5 is connected with the sleeve, the sleeve 5, the rotating shaft 5 is disposed on the rotating shaft, a blocking plate 512 disposed on one side of the rotating shaft, the rotating shaft is disposed on the rotating shaft 51, the rotating shaft 41, the rotating shaft 21 is disposed on the rotating frame, the rotating frame 512, the rotating frame 512 disposed on the rotating frame, the other side of the rotating frame, the rotating frame 41, the insertion hole 512 is provided as a square recess hole that fits the square tip 41. The button is controlling the removal of connecting rod 4, and when connecting rod 4 stretched into in the patchhole 512, the rotatory work of control square shaft could just be accomplished to the handle, and button main part 21 receives the control that elasticity reset piece 3 for keep away from below the button main part 21 natural state side axle sleeve 5, consequently when only pulling the handle through the instrument of stealing, can't rotate the square shaft, thereby can avoid unblanking from the cat eye, improve the security of this lock.

As an optimization, in some embodiments, as shown in fig. 1, fig. 2 and fig. 5, a handle returning assembly 7 is further included, the handle returning assembly 7 includes a connecting bolt 71, a limiting seat 72 and a torsion spring 73, the limiting seat 72 is disposed between the rotating shaft 11 and the square shaft sleeve 5, the connecting bolt 71 is disposed in the rotating shaft 11, an opening through which the connecting bolt 71 extends is disposed on the rotating shaft 11, an extending portion of the connecting bolt 71 is fixedly connected with the limiting seat 72 through a thread, a first sliding hole 711 and a second sliding hole 7211 through which the connecting rod 4 slides are disposed in the connecting bolt 71 and the limiting seat 72, the torsion spring 73 is disposed between the limiting seat 72 and the middle frame, one end of the torsion spring 73 is fixedly connected with the middle frame, the limiting seat 72 includes a limiting shaft 721 and a fixing plate 722, a front end of the limiting shaft 721 is connected with the connecting bolt 71, a rear end of the limiting shaft 721 is disposed with a fixing plate 722, the fixing plate 722 is fixed on the door lock frame 6, the fixing plate 722 is a circular plate, a diameter of the fixing plate 722 is larger than the torsion spring 73, and the torsion spring 73 is prevented from coming off, and the square shaft sleeve 5 is connected with the torsion spring 73 in a toggle fit.

Specifically, in some embodiments, as shown in fig. 4, the square shaft sleeve 5 further includes two swing arms 52, the two swing arms 52 are disposed on the shaft sleeve body 51, and the torsion spring 73 is provided with two arm bends, and the two arm bends are in one-to-one correspondence with and fixedly connected to the two swing arms 52. Under torsion spring 73's natural state, the handle is in the initial position, generally vertical or horizontal state, and when needs rotated, connecting rod 4 stretched into square shaft sleeve 5, and the handle rotates, and square shaft sleeve 5 is followed to rotate this moment, and swing arm 52 exerts pressure to torsion spring 73, then the handle application of force disappearance back, and torsion spring 73 resumes can drive swing arm 52 and revolve to the initial position, and connecting rod 4 still is connected with square shaft sleeve 5 this moment, and consequently the handle is also followed and is resumed the initial position.

The utility model also provides a door lock, door lock include the door handle subassembly that prevents to unblank from the cat eye that the aforesaid mentioned.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A door handle assembly for preventing unlocking from a cat-eye, comprising:

the button assembly comprises a button body, and the button body is arranged in the button hole in a sliding manner;

the elastic reset piece is arranged in the button hole;

2. The door handle assembly as claimed in claim 1, wherein the connecting rod has a square end at one end, and the insertion hole is a square recess hole fitted to the direction end.

3. The door handle assembly of claim 1, wherein the door lock frame comprises a main frame body and a stop plate, the inner handle is rotatably disposed on one side of the main frame body, the stop plate is disposed on the other side of the main frame body, and the connecting rod and the square shaft are disposed between the main frame body and the stop plate.

4. The door handle assembly according to claim 3, further comprising a handle return assembly, wherein the handle return assembly comprises a connecting bolt, a limiting seat and a torsion spring, the limiting seat is disposed between the rotating shaft and the square sleeve, the connecting bolt is disposed in the rotating shaft, the rotating shaft is provided with an opening for the connecting bolt to extend out, the extending portion of the connecting bolt is fixedly connected with the limiting seat by a screw thread, the connecting bolt and the limiting seat are provided with a first sliding hole and a second sliding hole for the connecting rod to slide, the torsion spring is disposed between the limiting seat and the middle frame, one end of the torsion spring is fixedly connected with the middle frame, and the square sleeve is fixedly connected with the torsion spring.

5. The door handle assembly as claimed in claim 1, wherein the button body is provided with a threaded hole, the end of the connecting rod is threadedly connected to the button body, and the elastic return member is an elastic spring.

6. The door handle assembly according to claim 4, wherein the square shaft sleeve further comprises two swing arms, the two swing arms are disposed on the shaft sleeve body, the torsion spring is provided with two arm throws, and the two arm throws are in one-to-one correspondence with and fixedly connected to the two swing arms.

7. A door lock comprising the door handle assembly as claimed in any one of claims 1 to 6 for preventing unlocking from a cat eye.