CN209704231U

CN209704231U - Door lock

Info

Publication number: CN209704231U
Application number: CN201920083665.1U
Authority: CN
Inventors: 贺铁军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2019-11-29
Anticipated expiration: 2029-01-18

Abstract

The utility model relates to door lock domain variabilities to disclose a kind of door lock, and the door lock includes: handle (1)；Button box；Lock core (2), one end of the lock core (2) is sequentially connected in the outside of door (3) and the handle (1), and the other end of the lock core (2) is connected with cam bit (4) in the internal drive of the door (3)；Connecting rod (5), the connecting rod (5) are arranged in the door (3), and one end of the connecting rod (5) is pivotably connected to the cam bit (4)；And lock tongue (6), the lock tongue (6) is movably disposed in the top and/or bottom in the door (3) and being located at the door (3), one end of the lock tongue (6) is used to cooperate with the button box, and the other end of the connecting rod (5) is pivotably connected to the other end of the lock tongue (6).The door lock of the utility model has the advantages that safety is higher.

Description

Door lock

Technical field

The utility model relates to door lock fields, and in particular, to a kind of door lock.

Background technique

Existing door lock (door lock being especially mounted on indoor door) generally comprises lock body and button box, and lock body setting exists The side (other side of door is mounted on doorframe by hinge) of door and including handle, lock tongue etc., button box setting is in doorframe, door Lock makes lock tongue stretch by torsion handle to be inserted into button box and achieve the purpose that either on or off door.But the lock tongue of such door lock Automatic normality pop-up (protruding from outdoors), when door in the open state, lock tongue is easy hanging breaking and passes through the clothes of the people of door, collision Safety accident occurs to human body (to constitute for a long time especially for 1.1 meters or so high children and crash through head and the hidden of body of wounding Suffer from).

Summary of the invention

The purpose of the utility model is to provide a kind of safer door locks.

To achieve the goals above, the utility model provides a kind of door lock, and the door lock includes: handle；Button box；Lock core, One end of the lock core is connect in the outside of door with the handle for driving, the internal drive of the other end of the lock core in the door It is connected with cam bit；Connecting rod, the connecting rod are arranged in the door, and one end of the connecting rod is pivotably connected to the cam Piece；And lock tongue, the lock tongue is movably disposed in the top and/or bottom in the door and being located at the door, described One end of lock tongue is used to cooperate with the button box, and the other end of the connecting rod is pivotably connected to the other end of the lock tongue.

Further, the lock tongue is formed with internal cavities, and the door lock further includes that answering for the internal cavities is arranged in Position spring, one end of the reset spring are connected to the lock tongue, and the other end of the reset spring is fixed on the door.

Further, the outer peripheral surface of the lock tongue is provided with the through slot for being connected to the internal cavities, the reset spring The other end is connected to fixinig plate, and the fixinig plate passes through the through slot and is fixed on the door.

Further, the cam bit is provided with the first connection through-hole, and one end of the connecting rod is formed as the first hook portion, The first hook portion hook is connected in the first connection through-hole.

Further, the other end of the lock tongue is formed with engaging lug, and the second connection through-hole is provided on the engaging lug, The other end of the connecting rod is formed as the second hook portion, and the second hook portion hook is connected in the second connection through-hole.

Further, the lock tongue is movably disposed in the top of the door along the vertical direction, and the button box setting exists In the doorframe at the top of the door.

Top of the door lock of the utility model since lock tongue to be movably disposed in in door along the vertical direction and being located at door Portion and/or bottom are easy hanging breaking by the clothes of the people of door so as to avoid lock tongue and collide human body generation safety accident The case where, it is seen that the door lock of the utility model has the advantages that safety is higher.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the schematic diagram of the specific embodiment of door lock according to the present utility model；

Fig. 2 is the enlarged view of a-quadrant in Fig. 1；

Fig. 3 is the enlarged view of B area in Fig. 1.

Description of symbols

1, handle 2, lock core

3, door 4, cam bit

5, connecting rod 6, lock tongue

7, reset spring 8, fixinig plate

9, engaging lug 10, through slot

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

The utility model provides a kind of door lock, and specifically, as shown in Figure 1 to Figure 3, the door lock includes: handle 1；Button box (not shown)；One end of lock core 2, the lock core 2 is sequentially connected in the outside of door 3 and the handle 1, the lock core 2 The other end is connected with cam bit 4 in the internal drive of the door 3；Connecting rod 5, the connecting rod 5 are arranged in the door 3, the company One end of bar 5 is pivotably connected to the cam bit 4；And lock tongue 6, the lock tongue 6 are movably arranged along the vertical direction Top and/or bottom in the door 3 and positioned at the door 3, one end of the lock tongue 6 are used to cooperate with the button box, The other end of the connecting rod 5 is pivotably connected to the other end of the lock tongue 6.

Lock tongue 6 due to being movably disposed in door 3 along the vertical direction and being located at door 3 by the door lock of the utility model Top and/or bottom are easy hanging breaking by the clothes of the people of door 3 so as to avoid lock tongue 6 and collide human body generation safety The case where accident, it is seen that the door lock of the utility model has the advantages that safety is higher；It is logical additionally, due to cam bit 4 is directlyed adopt The movement (moving distance that the stroke of cam bit 4 corresponds to lock tongue 6) of 5 blocking lock bolt 6 of connecting rod is crossed, the door lock of the utility model is also Have the advantages that firm and durable (service life of the door lock of the utility model is 10 times long compared to conventional door lock).

It should be noted that above-mentioned handle 1, button box, lock core 2, cam bit 4, connecting rod 5 and lock tongue 6 concrete shape or Specific implementation and connecting rod 5 and cam bit 4 that specific constructive form, lock core 2 and handle 1 and cam bit 4 are sequentially connected and The specific implementation that lock tongue 6 is pivotably connected can according to need setting, these belong to the technology of the utility model Within conception range.In addition, being correspondingly provided with the cavity of installation lock core 2, lock tongue 6 and connecting rod 5 on door 3, the shape of cavity can To be set as needed, the type of door 3 is preferably interior door.It will illustrate the specific implementation of above structure by way of example below Example.

In the door lock of the utility model, it is preferable that the lock tongue 6 is formed with internal cavities, and the door lock further includes setting The reset spring 7 in the internal cavities is set, one end of the reset spring 7 is connected to the lock tongue 6, the reset spring 7 The other end be fixed on the door 3, so as to make lock tongue 6 automatically reset to the state of pop-up by reset spring 7.

In above-mentioned door lock, specifically, the outer peripheral surface of the lock tongue 6 is provided with the through slot 10 for being connected to the internal cavities, The other end of the reset spring 7 is connected to fixinig plate 8, and the fixinig plate 8 passes through the through slot 10 and is fixed on the door 3, The other end of reset spring 7 is fixed on door 3 so as to fixinig plate 8.Further specifically, the length of through slot 10 is greater than The maximum moving distance of lock tongue 6.

In the door lock of the utility model, it is preferable that the cam bit 4 is provided with the first connection through-hole, the connecting rod 5 One end is formed as the first hook portion, and the first hook portion hook is connected in the first connection through-hole；The other end of the lock tongue 6 It is formed with engaging lug 9, the second connection through-hole is provided on the engaging lug 9, the other end of the connecting rod 5 is formed as the second hook-type Portion, the second hook portion hook is connected in the second connection through-hole, so that the both ends of connecting rod 5 are pivotably connected to respectively The other end of cam bit 4 and lock tongue 6.

In the door lock of the utility model, specifically, the lock tongue 6 is movably disposed in the door 3 along the vertical direction Top, the button box is arranged in the doorframe at the top of the door 3, so that user hardly notices positioned at door Button box in the doorframe at 3 top, therefore relative to traditional door lock, the door lock of the utility model have more beautiful excellent Point.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims

1. a kind of door lock, which is characterized in that the door lock includes:

Handle (1)；

Button box；

One end of lock core (2), the lock core (2) is sequentially connected in the outside of door (3) and the handle (1), the lock core (2) The other end is connected with cam bit (4) in the internal drive of the door (3)；

Connecting rod (5), the connecting rod (5) are arranged in the door (3), and one end of the connecting rod (5) is pivotably connected to described Cam bit (4)；And

Lock tongue (6), the lock tongue (6) be movably disposed in the door (3) and be located at the door (3) top and/or Bottom, one end of the lock tongue (6) are used to cooperate with the button box, and the other end of the connecting rod (5) is pivotably connected to institute State the other end of lock tongue (6).

2. door lock according to claim 1, which is characterized in that the lock tongue (6) is formed with internal cavities, and the door lock is also Reset spring (7) including the internal cavities are arranged in, one end of the reset spring (7) are connected to the lock tongue (6), institute The other end for stating reset spring (7) is fixed on the door (3).

3. door lock according to claim 2, which is characterized in that it is described interior that the outer peripheral surface of the lock tongue (6) is provided with connection The other end of the through slot (10) of portion's cavity, the reset spring (7) is connected to fixinig plate (8), and the fixinig plate (8) passes through described Through slot (10) and be fixed on the door (3).

4. door lock as claimed in any of claims 1 to 3, which is characterized in that the cam bit (4) is provided with first Through-hole is connected, one end of the connecting rod (5) is formed as the first hook portion, and it is logical that the first hook portion hook is connected in first connection Kong Zhong.

5. door lock as claimed in any of claims 1 to 3, which is characterized in that the other end of the lock tongue (6) is formed Have engaging lug (9), the second connection through-hole is provided on the engaging lug (9), the other end of the connecting rod (5) is formed as second hook Shape portion, the second hook portion hook are connected in the second connection through-hole.

6. door lock according to claim 1, which is characterized in that the lock tongue (6) is movably disposed in along the vertical direction The top of the door (3), the button box are arranged in the doorframe at the top of the door (3).