CN110685497A

CN110685497A - Sliding door lock

Info

Publication number: CN110685497A
Application number: CN201911029485.6A
Authority: CN
Inventors: 孙敬文; 肖建明
Original assignee: Zhongshan Novisoma Hardware Products Co Ltd
Current assignee: Zhongshan Novisoma Hardware Products Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-01-14

Abstract

The invention discloses a push-pull door lock, which comprises a handle, a front outer cover, a rear outer cover, a lock tongue and a square column body, wherein the front outer cover and the rear outer cover are arranged at intervals oppositely, and the square column body is inserted on the lock tongue and is in transmission fit with the lock tongue, and the push-pull door lock is 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

Sliding door lock

Technical Field

The invention relates to a push-pull door lock.

Background

Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door. The door locks are classified into a plurality of categories, the requirements on the door locks are different in each occasion, and the anti-theft door lock is generally used in ordinary families, and is high in safety and low in price.

The existing door lock is generally in a spherical or handle rotating door opening mode, and the door opening action cannot be performed in the mode under the condition that both hands take things and cannot move freely, so that great inconvenience is brought to daily life of people; and current lock all sets up to the back of locking in the room for the theftproof needs, and the state that can't normally open outdoors can only be opened through key or other intelligent recognition mode, but in some indoor old man or children's room that frequently happens because of accidents such as the disease or unexpected fall stupor, can lead to the unable entering of people outside the room because of the back lock of door, has delayed the time of suing and labouring, causes bigger life safety.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: the lock is unlocked by pushing and pulling the handle by using a simple assembling and transmission mode, and the required parts are few, so that the whole volume of the door lock is reduced and concise, the production cost is reduced, and the market demand is met; indoor back locking can be realized at daily normal condition, plays the effect of suggestion and individual space privacy, and under emergency situation, outdoor personnel can open the lock with some simple and easy instruments under the circumstances of inside back locking.

The push-pull door lock comprises a handle, a front outer cover, a rear outer cover, a lock bar and a square cylinder, wherein the front outer cover and the rear outer cover are arranged at intervals oppositely, the square cylinder is inserted on the lock bar and is used for being in transmission fit with the lock bar, and transmission components capable of driving the lock bar to open and close through the push-pull action of the handle are arranged at two ends of the square cylinder respectively;

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.

Furthermore, the opposite surfaces of the front outer cover and the rear outer cover which are oppositely arranged at intervals are provided with clamping plates, and the clamping plates are provided with through holes and limiting grooves; the shifting head is inserted in the through hole, and a convex block formed on the shifting head is arranged in the limiting groove to limit the rotation of the shifting head.

Preferably, a second torsion spring is respectively arranged on one side of the clamping plate above and below the shifting block; the extending lines at the two ends of the second torsion spring horizontally support against the shifting block and the clamping plate so as to ensure that the shifting block resets and rotates to keep the horizontal state.

Further, the handle is provided with an upper cover, a lower cover and an inner plate; the inner chamber of lower cover is equipped with a plurality of screw, the inner panel passes through screw and screw cooperation fastening connection, be equipped with a plurality of scarce groove on the inner panel, form the joint position between the inner chamber of scarce groove and lower cover, the upper cover inner wall corresponds the joint position and is equipped with the buckle in order to supply its buckle cooperation.

Further, the lock bolt is provided with a locking button for fixing the movable lock bolt; the front outer cover and the rear outer cover are both provided with through holes, and a safety rod used for pressing a locking button to fix the lock tongue is movably inserted into one through hole.

Preferably, the outer end of the safety rod is sleeved with a pull rod decoration cap, and the safety rod is connected with the pull rod decoration cap through a clamp spring.

Preferably, the binding surfaces of the front outer cover and the rear outer cover for mounting the door panel are provided with a plurality of positioning nails, and the positioning nails are fixedly inserted into the door panel when the front outer cover and the rear outer cover which are arranged at opposite intervals are clamped on two sides of the door panel through screw thread matching.

In summary, compared with the prior art, the invention has the beneficial effects that:

the lock has a simple structure, the handle connecting piece rotates by taking the axis of the rotating shaft as a central line through the push-pull action of the handle, the pressing block on the handle connecting piece is pressed on the pulling head when rotating and enables the pulling head to rotate synchronously, so that the pulling head drives the square cylinder to rotate, the telescopic movement of the lock tongue in the lock is driven, the lock is unlocked by pushing and pulling the handle through a simple assembling and transmission mode, the door lock can be unlocked only by pressing the handle under the condition that two hands cannot move freely, and the parts required by the integral assembling and transmission components of the lock body are few, so that the integral volume of the door lock is reduced, the door lock is concise and attractive, the production cost is reduced, and the market demand is met; under daily normal condition, can cause its roof pressure locking button through pressing the bumper, realize indoor back locking, play suggestion and individual space privacy's effect. And the accident appears in indoor personnel, under the emergency situation that can't open the door, outdoor personnel can pass the perforation that is located the outer lock handle of door through the cylinder under the circumstances of inside back locking, release the locking button and reset to realize that the lock is outside unblanking in the circumstances of inside back locking, can in time rescue indoor personnel.

Drawings

FIG. 1 is a schematic perspective view of a push-pull door lock according to an embodiment of the present invention;

FIG. 2 is an exploded view of a push-pull door lock according to an embodiment of the present invention;

FIG. 3 is a schematic sectional perspective view of a push-pull door lock in accordance with one embodiment of the present invention;

FIG. 4 is a perspective view of a drive member according to an embodiment of the present invention;

FIG. 5 is a schematic perspective cross-sectional view of a drive member according to an embodiment of the present invention;

FIG. 6 is an exploded view of a handle in accordance with an embodiment of the present invention;

fig. 7 is an enlarged schematic view of fig. 2 at a in accordance with an embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 7, the embodiment of the present invention preferably provides a push-pull door lock, which includes a handle 1, a front outer cover 2, a rear outer cover 2, a lock tongue 3 and a square column 4 inserted on the lock tongue 3 for being in transmission fit with the lock tongue 3, wherein the two ends of the square column 4 are respectively provided with a transmission member 5 capable of driving the lock tongue 3 to open and close by pushing and pulling the handle 1;

the transmission component 5 is provided with a shifting block 51 which is sleeved and matched with the square column body 4, a handle connecting piece 52 which is fixedly and detachably connected with the handle 1 and a first torsion spring 53; the handle connecting piece 52 is arranged in the inner cavities of the front outer cover 2 and the rear outer cover 2 through a rotating shaft 54; the first torsion spring 53 is sleeved on the rotating shaft 54 for resetting and rotating the handle connecting piece 52; the lock is characterized in that press blocks 55 are arranged on one side of the handle connecting piece 52 at intervals up and down, when the press blocks 55 are driven by the push-pull of the handle 1 to rotate by taking the axis of the rotating shaft 54 as a central line, the press blocks are enabled to rotate to be pressed against the shifting block 51 and enable the shifting block 51 to rotate, when in a transmission state, the handle connecting piece 52 is enabled to rotate by taking the axis of the rotating shaft 54 as the central line through the push-pull action of the handle 1, the press blocks 55 on the handle connecting piece 52 are enabled to be pressed against the shifting block 51 and enable the shifting block to rotate synchronously when rotating, so that the square column body 4 is driven to rotate through the shifting block 51, the telescopic movement of the lock tongue in the lock cylinder 3 is driven, the lock is unlocked by pushing the push-pull handle 1 through a simple assembling and transmission mode, the lock can be unlocked by only pressing the handle 1 under the condition that both hands can not move freely, and parts required by, reduces the production cost and meets the market demand.

The opposite surfaces of the front outer cover 2 and the rear outer cover 2 which are oppositely arranged at intervals are provided with clamping plates 21, and the clamping plates 21 are provided with through holes 22 and limiting grooves 23; the shifting block 51 is inserted into the through hole 22, and a bump 24 formed on the shifting block is arranged in the limiting groove 23 to limit the rotation of the shifting block 51, so that the limit of the rotation angle of the shifting block 51 is realized, and the swing angle generated when the handle 1 is pushed and pulled is limited.

A second torsion spring 56 is respectively arranged on one side of the clamping plate 21 above and below the shifting block 51; the extension lines at the two ends of the second torsion spring 56 horizontally abut against the shifting block 51 and the clamping plate 21, so that the shifting block 51 is reset to rotate and keep a horizontal state.

The handle 1 is provided with an upper cover 11, a lower cover 12 and an inner plate 13; the inner chamber of lower cover 12 is equipped with a plurality of screw 14, inner panel 13 passes through screw and 14 cooperation fastening connections of screw, it lacks groove 15 to be equipped with a plurality of on the inner panel 13, it forms joint position 16 to lack between groove 15 and the inner chamber of

lower cover

12, 11 inner walls of upper cover correspond joint position 16 and are equipped with buckle 17 for its buckle cooperation, and when handle 1 covers its be used for the assembly connection screw through three-layer equipment mode, make its different installation scenes of adaptation change the style of handle lid, realize the outward appearance replacement display effect of different decorative patterns, pattern etc..

The lock 3 is provided with a locking button 36 for fixing the movable bolt; the front outer cover 2 and the rear outer cover 2 are both provided with through holes 31 in a penetrating way, a safety rod 32 for pressing a locking button 36 to fix the lock tongue is movably inserted into one through hole 31, the existing lock tongue 3 is generally inserted into the lock tongue by a spring pin to fix the lock tongue to move, and the locking button 36 is connected with the spring pin; under daily normal condition, can cause its roof pressure locking button 36 through pressing bumper 32 for the spring catch is pegged graft and is made fixed its activity on the spring bolt, realizes indoor back locking, plays suggestion and individual space privacy's effect. And in the indoor personnel accident, under the emergency situation that can't open the door, outdoor personnel can pass the perforation 31 that is located the outer lock handle of door through the cylinder under the circumstances of inside back locking, release the reset with locking button 36 to make the spring catch of pegging graft on the spring bolt release, thereby realize that the lock outside must unblank in the circumstances of inside back locking, can in time rescue indoor personnel.

The outer end of the safety rod 32 is sleeved with a pull rod decoration cap 34, and the safety rod 32 and the pull rod decoration cap 34 are connected through a clamp spring.

Preceding, back enclosing cover 2 be used for all being provided with a plurality of location nail 35 with the binding face of installation door plant, enclosing cover 2 passes through screw thread fit centre gripping when installing the door plant both sides around relative interval sets up location nail 35 inserts admittedly on the door plant to realize preceding, the better fixed effect of back enclosing cover 2, avoid leading to the fact preceding, back enclosing cover 2 not hard up because of the long-term application of force to handle 1.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Push-pull lock, including handle, relative interval set up preceding, back enclosing cover and lock be favorable and link up insert establish on the lock be favorable 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;

2. A push-pull door lock according to claim 1, wherein: the opposite surfaces of the front outer cover and the rear outer cover which are oppositely arranged at intervals are provided with clamping plates, and the clamping plates are provided with through holes and limiting grooves; the shifting head is inserted in the through hole, and a convex block formed on the shifting head is arranged in the limiting groove to limit the rotation of the shifting head.

3. A push-pull door lock according to claim 2, wherein: a second torsion spring is respectively arranged on one side of the clamping plate above and below the shifting block; the extending lines at the two ends of the second torsion spring horizontally support against the shifting block and the clamping plate so as to ensure that the shifting block resets and rotates to keep the horizontal state.

4. A push-pull door lock according to claim 2, wherein: the handle is provided with an upper cover, a lower cover and an inner plate; the inner chamber of lower cover is equipped with a plurality of screw, the inner panel passes through screw and screw cooperation fastening connection, be equipped with a plurality of scarce groove on the inner panel, form the joint position between the inner chamber of scarce groove and lower cover, the upper cover inner wall corresponds the joint position and is equipped with the buckle in order to supply its buckle cooperation.

5. A push-pull door lock according to claim 1 or 2, characterized in that: the lock bar is provided with a locking button for fixing the movable lock tongue; the front outer cover and the rear outer cover are both provided with through holes, and a safety rod used for pressing a locking button to fix the lock tongue is movably inserted into one through hole.

6. A push-pull door lock according to claim 5, wherein: the outer end of the safety rod is sleeved with a pull rod decoration cap, and the safety rod is connected with the pull rod decoration cap through a clamp spring.

7. A push-pull door lock according to claim 5, wherein: the binding surfaces of the front outer cover and the rear outer cover for installing the door panel are provided with a plurality of positioning nails, and the positioning nails are fixedly inserted on the door panel when the front outer cover and the rear outer cover which are arranged at intervals are clamped on two sides of the installing door panel through screw thread matching.