CN211900066U - Push-pull door lock - Google Patents

Abstract

The utility model discloses a push-pull type door lock, including the preceding, back enclosing cover that handle, relative interval set up with lock the advantage and link up insert establish lock the advantage on supply with lock advantage transmission complex square column body, its characterized in that: two ends of the square column body are respectively provided with a transmission component which can drive the lock to open and close through the push-pull action of the handle; the transmission component is provided with a shifting head which is sleeved and matched with the square column body, a handle connecting piece which is fixedly and detachably connected with the handle and a first torsion spring; the handle connecting piece is arranged in the inner cavities of the front outer cover and the rear outer cover through a rotating shaft; the first torsion spring is sleeved on the rotating shaft to reset and rotate the handle connecting piece; the pressing block is arranged on one side of the handle connecting piece at an upper and lower interval, and when the pressing block is driven by the handle to rotate by taking the axis of the rotating shaft as a central line, the pressing block rotates to be pressed on the shifting head, and the shifting head rotates.

Description

Push-pull door lock

technical field

The utility model relates to a push-pull door lock.

Background technique

A door lock is, as the name suggests, a device used to lock a door to prevent others from opening the door. There are many classifications of door locks, and the requirements for door locks are different in various occasions. Ordinary families generally use anti-theft door locks, which are safe and relatively cheap.

Existing door locks are generally spherical or rotary door openings with handles, and this method cannot open the door when both hands are unable to move freely. Inconvenience; and the existing door locks are set to be locked inside the house for the purpose of anti-theft, and can not be opened normally outside the house. They can only be opened by a key or other intelligent identification methods, but some indoors fall into a coma due to illness or accident, etc. In the room of the elderly or children with frequent accidents, people outside the room may not be able to enter due to the locked door, delaying the rescue time and causing greater life safety.

Utility model content

In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is: using a simple assembly and transmission method, the unlocking method is realized by pushing and pulling the handle, and the required parts are few, so that the overall volume of the door lock is reduced and concise, Reduce its production cost and adapt to market demand; it can achieve indoor anti-locking under normal daily conditions, which has the effect of prompting and privacy of personal space. In emergency situations, outdoor personnel can use some simple tools when they are locked inside. Open the door lock.

A push-pull door lock includes a handle, front and rear outer covers and locks that are relatively spaced apart, and a square cylinder that is inserted through the lock for transmission with the lock, and the two ends of the square cylinder are respectively There is a transmission member that can drive the lock to open and close through the push-pull action of the handle;

The transmission member has a dial that is sleeved and matched with the square cylinder, a handle connector that is fixedly and detachably connected to the handle, and a first torsion spring; the handle connector is installed inside the front and rear outer covers through the rotating shaft. inside the cavity; the first torsion spring is sleeved on the rotating shaft for the reset and rotation of the handle connecting piece; the upper and lower sides of the handle connecting piece are provided with pressure blocks, and when the pressure blocks are pushed and pulled by the handle, the axis of the rotating shaft is the center When the line turns, make it turn against the dial and cause the dial to rotate.

Further, the opposite surfaces of the front and rear outer covers arranged at opposite intervals are provided with a splint, and the splint is provided with a through hole and a limit slot; the dial is inserted into the through hole, and a protrusion is formed on it. The block is placed in the limit groove for the rotation limit of the dial.

Preferably, second torsion springs are respectively provided on one side of the clamping plate at the upper and lower sides of the dial; the extension lines at both ends of the second torsion spring are horizontally abutted on the dial and the clamping plate, so that the dial can be reset and rotated to maintain a horizontal state.

Further, the handle has an upper cover, a lower cover and an inner plate; the inner cavity of the lower cover is provided with a number of screw holes, the inner plate is fastened and connected by screws and the screw holes, and the inner plate is provided with a screw hole. There are several notches, and a snap-fit is formed between the notches and the inner cavity of the lower cover, and the inner wall of the upper cover is provided with snaps corresponding to the snap-fit for snap-fit.

Further, the lock has a locking button for fixing the movement of the locking tongue; the front and rear outer covers are both penetrated with perforations, and a locking button for pressing the locking button is movably inserted in one of the through holes to fix the locking tongue. bumper.

Preferably, a tie rod decorative cap is sleeved on the outer end of the safety rod, and the safety rod and the tie rod decorative cap are connected by a circlip.

Preferably, the front and rear outer covers are provided with a number of positioning nails on the abutment surfaces of the front and rear outer covers used to install the door panel. Nails are fastened to the door panel.

To sum up, the beneficial effects of the present utility model relative to the prior art are:

The utility model has a simple structure. Through the push-pull action of the handle, the handle connecting piece is caused to rotate with the axis of the rotating shaft as the center line, so that the pressing block on the handle connecting piece presses on the pulling head when it rotates and rotates synchronously, so as to pass The dial drives the square cylinder to rotate to realize the telescopic movement of the inner lock tongue of the drive lock. By using a simple assembly and transmission method, the handle can be unlocked by pushing and pulling the handle, so that when the hands cannot move freely, just pressing the handle can also be used. The door lock can be opened, and the overall assembly of the lock body and the required parts for the transmission components are small, so that the overall volume of the door lock is reduced, simple and beautiful, and its production cost is reduced to meet the market demand; under normal circumstances, it can be pressed by pressing The bumper causes it to press the locking button to achieve indoor anti-locking, which has the effect of prompting and personal space privacy. In the event of an accident for indoor personnel and the door cannot be opened, the outdoor personnel can push the lock button to reset through the cylinder through the perforation on the lock handle outside the door under the condition of internal anti-lock, so as to realize the door lock. In the case of internal locking, the external lock must be unlocked, which can rescue the indoor personnel in time.

Description of drawings

1 is a schematic perspective view of the structure of a push-pull door lock in an embodiment of the present utility model;

2 is an exploded schematic diagram of a push-pull door lock in an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional perspective view of a push-pull door lock in an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of the structure of a transmission member in an embodiment of the present invention;

FIG. 5 is a three-dimensional cross-sectional schematic diagram of a transmission member in an embodiment of the present invention;

Fig. 6 is the exploded schematic diagram of the handle in one embodiment of the present utility model;

FIG. 7 is an enlarged schematic diagram of the position A of FIG. 2 in an embodiment of the present invention.

Detailed ways

The present utility model is further described below in conjunction with the accompanying drawings and the specific embodiments:

As shown in FIGS. 1 to 7 , the embodiment of the present invention preferably provides a push-pull door lock, which includes a handle 1 , front and rear outer covers 2 and a locking edge 3 arranged at opposite intervals, and a through-hole inserted in the locking edge The upper part 3 is provided with a square cylinder 4 for transmission and cooperation with the lock 3, the two ends of the square cylinder 4 are respectively provided with a transmission member 5 that can drive the lock 3 to open and close through the push-pull action of the handle 1;

The transmission member 5 has a dial 51 that is sleeved and matched with the square column 4, a handle connector 52 that is fixedly and detachably connected to the handle 1, and a first torsion spring 53; the handle connector 52 passes through the rotating shaft 54. It is installed in the inner cavity of the front and rear outer covers 2; the first torsion spring 53 is sleeved on the rotating shaft 54 for the reset and rotation of the handle connector 52; the handle connector 52 is provided with a pressing block 55 at intervals up and down one side. , when the pressing block 55 is driven by the push and pull of the handle 1 to rotate with the axis of the rotating shaft 54 as the center line, it rotates and presses on the dial head 51 and causes the dial head 51 to rotate. In the transmission state, through the push-pull action of the handle 1, The handle connector 52 is caused to rotate with the axis of the shaft 54 as the center line, so that the pressing block 55 on the handle connector 52 presses on the pulling head 51 and rotates synchronously when it rotates, so that the square column is driven by the pulling head 51. The body 4 rotates to realize the telescopic movement of the inner lock tongue of the drive lock 3. By using a simple assembly and transmission method, the handle 1 can be pushed and pulled to unlock, so that when the hands cannot move freely, only pressing the handle 1 can also realize the door. The opening of the lock, the overall assembly of the lock body and the need for less parts for transmission components make the overall volume of the door lock compact, simple and beautiful, reduce its production cost, and meet market demands.

The opposite surfaces of the front and rear outer covers 2 arranged at opposite intervals are provided with a splint 21, the splint 21 is provided with a through hole 22 and a limit slot 23; A bump 24 is formed thereon and is placed in the limiting groove 23 to limit the rotation of the dial head 51 , so as to limit the rotation angle of the dial head 51 , thereby limiting the swing angle of the handle 1 when it is pushed and pulled.

A second torsion spring 56 is provided on one side of the splint 21 on the upper and lower sides of the dial head 51 respectively; the extension lines at both ends of the second torsion spring 56 are horizontally abutted on the dial head 51 and the clamp plate 21 to make the dial head 51 reset and rotate. horizontal state.

The handle 1 has an upper cover 11, a lower cover 12 and an inner plate 13; the inner cavity of the lower cover 12 is provided with a plurality of screw holes 14, and the inner plate 13 is tightly connected with the screw holes 14 by screws, so The inner plate 13 is provided with a plurality of notches 15, and a clamping position 16 is formed between the notched grooves 15 and the inner cavity of the lower cover 12. The inner wall of the upper cover 11 is provided with a buckle 17 corresponding to the clamping position 16 to For its snap fit, the handle 1 is covered by a three-layer assembly method. It is used to assemble the connecting screws, and at the same time, it adapts to different installation scenarios. The style of the handle cover can be replaced to achieve the appearance replacement display effect of different patterns, patterns, etc. .

The locking edge 3 has a locking button 36 for fixing the movement of the locking tongue; the front and rear outer covers 2 have through holes 31, and a hole 31 is movably inserted in one of the holes 31 for pressing the locking button 36 to make the The safety lever 32 with the lock tongue fixed, the existing lock lever 3 generally uses a spring pin to be inserted on the lock tongue to fix its movement, and the locking button 36 is connected with the spring pin; 32 causes it to press the locking button 36, so that the spring pin is inserted on the lock tongue to fix its movement, realize indoor anti-lock, and play the effect of prompting and privacy of personal space. In the event of an accident for the indoor personnel and the door cannot be opened, the outdoor personnel can push the locking button 36 to reset through the cylinder through the hole 31 located on the outer lock handle under the condition of internal anti-locking, so that the lock button 36 can be pushed out and reset. The spring pin inserted on the lock tongue is pushed out, so that the door lock can be unlocked outside when the door lock is locked inside, and the indoor personnel can be rescued in time.

A pull rod decorative cap 34 is sleeved at the outer end of the safety rod 32 , and the safety rod 32 and the pull rod decorative cap 34 are connected by a circlip.

The front and rear outer covers 2 are provided with a number of positioning nails 35 on the abutting surfaces of the installation door panel. The nails 35 are inserted and fixed on the door panel, so as to achieve better fixing effect of the front and rear outer covers 2 and avoid loosening of the front and rear outer covers 2 due to long-term force on the handle 1 .

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only illustrative. The principle of the present utility model, without departing from the spirit and scope of the present utility model, the present utility model will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A push-pull door lock, comprising a handle, a front and rear outer cover and a lock that are arranged at relative intervals, and a square cylinder that is inserted through the lock for transmission with the lock, and is characterized in that: the square The two ends of the cylindrical body are respectively provided with transmission members which can drive the opening and closing of the lock through the push-pull action of the handle; The transmission member has a dial that is sleeved and matched with the square cylinder, a handle connector that is fixedly and detachably connected to the handle, and a first torsion spring; the handle connector is installed inside the front and rear outer covers through the rotating shaft. inside the cavity; the first torsion spring is sleeved on the rotating shaft for the reset and rotation of the handle connecting piece; the upper and lower sides of the handle connecting piece are provided with pressure blocks, and when the pressure blocks are pushed and pulled by the handle, the axis of the rotating shaft is the center When the line turns, make it turn against the dial and cause the dial to rotate. 2 . The push-pull door lock according to claim 1 , wherein the opposite surfaces of the front and rear outer covers arranged at opposite intervals are provided with splints, and the splints are provided with through holes and limit grooves; The head is inserted into the through hole, and a convex block is formed on the through hole to be placed in the limiting groove to limit the rotation of the dial head. 3 . The push-pull door lock according to claim 2 , wherein a second torsion spring is provided on one side of the splint on the upper and lower sides of the dial head, respectively; the extension lines at both ends of the second torsion spring are horizontally abutted against the dial head. 4 . and the splint to keep the dial repositioning and rotating horizontally. 4. The push-pull door lock according to claim 2, wherein the handle has an upper cover, a lower cover and an inner plate; the inner cavity of the lower cover is provided with a number of screw holes, and the inner plate passes through The screws are tightly connected with the screw holes, the inner plate is provided with a number of notches, and a clamping position is formed between the notches and the inner cavity of the lower cover, and the inner wall of the upper cover is provided with a clamping position corresponding to the clamping position. Buckle for its snap fit. 5. The push-pull door lock according to claim 1 or 2, characterized in that: the lock has a locking button for fixing the movement of the deadbolt; A safety lever for pressing the locking button to fix the locking tongue is movably inserted in a through hole. 6 . The push-pull door lock according to claim 5 , wherein a pull rod decorative cap is sleeved on the outer end of the safety rod, and the safety rod and the pull rod decorative cap are connected by a circlip. 7 . 7 . The push-pull door lock according to claim 5 , wherein the front and rear outer covers are provided with a number of positioning nails on the adhering surfaces of the front and rear outer covers for installing the door panel. The positioning pins are inserted and fixed on the door plate when they are clamped on both sides of the installation door plate through screw thread cooperation.

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