CN216690638U

CN216690638U - Door handle with locking function

Info

Publication number: CN216690638U
Application number: CN202122892592.0U
Authority: CN
Inventors: 胡家俊
Original assignee: Jiangmen Camax Hardware Corp ltd
Current assignee: Jiangmen Camax Hardware Corp ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-07
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a door handle with a locking function, which comprises a base, a locking piece and a locking piece, wherein the base is provided with an inner cavity; a first spring disposed in the inner cavity; the driving assembly comprises a handle, an inserted bar and a fastener, wherein the handle is respectively connected with the inserted bar and the fastener; the square rod is arranged in the inner cavity in a sliding mode, the clamping groove is formed in the front end of the square rod, the first spring is located between the square rod and the base, the fastener is provided with an installation groove, the shape of the installation groove is matched with the shape of the square rod, the top of the square rod is in an unlocking state when placed in the installation groove, and the top of the square rod is in a locking state when separated from the installation groove; and the self-locking assembly is arranged on the fastener and matched with the clamping groove so as to realize locking when the square rod is in an up-locking state. The utility model can lock after locking, and the handle can not be unlocked by rotating outdoors, thereby preventing outdoor personnel from entering.

Description

Door handle with locking function

Technical Field

The utility model relates to the technical field of door handles, in particular to a door handle with a locking function.

Background

The door handle is installed on the door, and the structure that the people held and realized the action of opening and shutting the door. Some rooms, toilets, bathrooms and the like are provided with doors with handles, and the handles require that the doors can be opened smoothly by rotating an inner side handle or an outer side handle at ordinary times without unlocking by a key; under special conditions, if personal privacy, theft prevention and the like need to be protected, after the door is locked, the door can be opened by rotating the handle indoors, and the door cannot be opened by rotating the handle outdoors, so that outdoor personnel are prevented from entering the door randomly. Therefore, the door is required to be provided with a door handle structure which can simultaneously meet the following requirements: firstly, the door can be opened by rotating the handle indoors or outdoors after the door is locked at ordinary times; secondly, after the door lock is locked, the door lock can be locked, so that the door can be opened by rotating the handle indoors, and the door can not be opened by rotating the handle outdoors.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a door handle with a locking function, which can lock a door after the door is locked, so that the door can be opened by rotating a handle indoors, the door cannot be opened by rotating the handle outdoors, and outdoor personnel can be prevented from entering the door.

A door handle with a lock function according to an embodiment of the present invention includes: a base provided with an inner cavity; a first spring disposed in the inner cavity; the driving assembly comprises a handle, an inserted bar and a fastener, wherein the handle is respectively connected with the inserted bar and the fastener; the square rod is arranged in the inner cavity in a sliding mode, the clamping groove is formed in the front end of the square rod, the first spring is located between the square rod and the base, the fastener is provided with an installation groove, the shape of the installation groove is matched with the shape of the square rod, the top of the square rod is in an unlocking state when placed in the installation groove, and the top of the square rod is in a locking state when separated from the installation groove; and the self-locking assembly is arranged on the fastener and matched with the clamping groove so as to realize locking when the square rod is in an up-locking state.

The door handle with the locking function according to the embodiment of the utility model has at least the following beneficial effects: generally, the top of the square rod is arranged in the mounting groove under the action of the first spring, the inserted link and the fastener form linkage, the square rod is in an unlocked state, and the handle can be rotated indoors or outdoors to open the door after the door lock is locked; under the special condition, press the inserted bar makes the square bar breaks away from the mounting groove, the square bar becomes the state of locking, presses after a section distance of inserted bar, the action of auto-lock subassembly with the draw-in groove cooperation makes the inserted bar is blocked, in order to realize the locking of square bar when last lock state, at this moment outdoor turning handle can not drive the fastener rotates, can't unblock opens the door, indoor turning handle can drive the fastener rotates and unblocks and open the door, realizes preventing outdoor personnel and opens the door the effect that gets into.

According to some embodiments of the utility model, the self-locking assembly comprises a shifting piece and a second spring, the shifting piece is rotatably arranged on the fastener, the shifting piece can be clamped into the clamping groove to lock the square rod, and the second spring is located between the shifting piece and the fastener.

According to some embodiments of the utility model, the end of the insertion rod far away from the square rod is provided with a first key for driving the insertion rod.

According to some embodiments of the utility model, the base is provided with a first stop, the pick is provided with a protrusion, and the first stop cooperates with the protrusion for driving the pick to disengage from the slot.

According to some embodiments of the utility model, the base is provided with a driving block for driving the base to rotate.

According to some embodiments of the utility model, the door handle further comprises a protective shell provided with a receiving cavity, the base being adapted to be placed in the receiving cavity.

According to some embodiments of the utility model, a third spring is disposed in the accommodating cavity, and the base is provided with a second stopper, and the third spring is located between the protective shell and the second stopper.

According to some embodiments of the utility model, a spring piece is arranged in the accommodating cavity, one end of the spring piece is clamped with the inserted bar or the fastener, and the other end of the spring piece is connected with the protective shell.

According to some embodiments of the utility model, the door handle further comprises a push rod fixedly connected with the base.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view showing an overall structure of a door handle having a locking function according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of a door handle with a locking function according to an embodiment of the present invention;

FIG. 3 is an exploded view of the structure of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 7 is a schematic view of the internal structure of the protective shell;

fig. 8 is a schematic structural view of fig. 7 from another view angle.

Description of reference numerals:

a base 110, an inner cavity 111, a first block 112 and a second block 113;

a first spring 210;

a handle 310, an insert rod 320, a square rod 321, a clamping groove 322 and a fastener 330;

the plectrum 410, the convex part 411, the second spring 420, the first set screw 430 and the second set screw 440;

a first key 510, a spacer 520;

a driving block 610 and a second key 620;

a protective shell 710, a third spring 720, a spring plate 730.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 5, an embodiment of the present invention provides a door handle with a locking function, including a base 110 provided with an inner cavity 111; a first spring 210 disposed in the inner cavity 111; the driving assembly comprises a handle 310, an insertion rod 320 and a fastener 330, wherein the handle 310 is connected with the insertion rod 320 and the fastener 330 respectively; the inserting rod 320 is provided with a square rod 321 and a clamping groove 322, the square rod 321 is arranged in the inner cavity 111 in a sliding mode, the first spring 210 is located between the square rod 321 and the base 110, the clamping groove 322 is arranged at the front end of the square rod 321, the fastener 330 is provided with an installation groove, the shape of the installation groove is matched with the shape of the square rod 321, the top of the square rod 321 is in an unlocking state when being arranged in the installation groove, and the top of the square rod 321 is in a locking state when being separated from the installation groove; the self-locking component is arranged on the fastener 330 and matched with the clamping groove 322 so as to realize locking of the square rod 321 in an up-locking state.

It should be noted that, the door handle is used with the lock to be installed on the door, the fastener 330 is connected with the bolt or the lock cylinder of the lock, and the rotation of the fastener 330 can drive the bolt or the lock cylinder to retract, so as to realize unlocking. At ordinary times, the square rod 321 is under the action of the first spring 210, the top of the square rod 321 is arranged in the mounting groove, the inserted link 320 is linked with the fastener 330, the square rod 321 is in an unlocking state, and the handle 310 can be rotated indoors or outdoors after the door lock is locked to drive the fastener 330 to rotate, so that the door can be unlocked; under the special circumstances, press down inserted bar 320 and make square stick 321 break away from the mounting groove, square stick 321 becomes the state of locking, press one section distance back of inserted bar 320, the cooperation of auto-lock subassembly action and draw-in groove 322, make inserted bar 320 blocked, in order to realize the locking of square stick 321 when last lock state, handle 310 can not drive fastener 330 at outdoor rotation this moment and rotate, unable unblock is opened the door, handle 310 can drive fastener 330 and rotate and carry out the unblock and open the door at indoor rotation, the realization prevents the effect that outdoor personnel opened the door and get into.

It can be understood that, referring to fig. 2 and 3, the self-locking assembly includes a pick 410 and a second spring 420, the pick 410 is rotatably disposed on the fastener 330, the pick 410 can be snapped into the snap slot 322 for locking the square rod 321, and the second spring 420 is located between the pick 410 and the fastener 330. The square rod 321 is separated from the mounting groove by pressing the inserting rod 320, the square rod 321 is in a locking state, after the inserting rod 320 is pressed for a certain distance, the clamping groove 322 on the inserting rod 320 moves to the position of the poking piece 410, and the poking piece 410 is clamped into the clamping groove 322 under the action of the elastic force of the second spring 420, so that the inserting rod 320 is clamped, and the locking of the door lock after locking is realized.

Specifically, in conjunction with fig. 2 and 3, paddle 410 may be mounted in a mated position on catch 330 using first set screw 430, and paddle 410 may be rotated along first set screw 430. Second spring 420 can use second set screw 440 to install the adaptation position at fastener 330, the one end and the plectrum 410 butt of second spring 420, the other end and second set screw 440 butt, when the installation, adjust the position of second set screw 440, make second spring 420 compressed and have sufficient elasticity and act on plectrum 410, draw-in groove 322 on inserted bar 320 moves to plectrum 410 below position, plectrum 410 can rotate along first set screw 430 under the elasticity effect and block in draw-in groove 322.

It is understood that, referring to fig. 2 to 5, an end of the insertion rod 320 remote from the square bar 321 is provided with a first key 510 for driving the insertion rod 320. It should be understood that the first button 510 is mainly convenient for the user to perform pressing operation. The first button 510 should be arranged at one side in the door, and after the door lock is locked, a user can press the first button 510 to drive the insert rod 320 to move according to requirements until the poking piece 410 is clamped into the clamping groove 322 to lock the door lock.

Specifically, with reference to fig. 3 to 5, a spacer 520 may be disposed below the first key 510 to prevent the first key 510 from directly hitting the fastener 330 after being pressed, so as to protect the first key 510 and the fastener 330. A certain distance is preset between the spacer 520 and the fastener 330, the distance for pressing the first key 510 can be limited, the distance between the spacer 520 and the fastener 330 can be correspondingly adjusted according to the distance for moving the clamping groove 322 to the position below the shifting piece 410, and the clamping groove 322 can be guaranteed to be smoothly moved to the position below the shifting piece 410.

It can be understood that, referring to fig. 2 and 3, the base 110 is provided with a first stopper 112, the pick 410 is provided with a protrusion 411, and the first stopper 112 is engaged with the protrusion 411 to disengage the pick 410 from the slot 322.

It should be noted that, when the pick 410 is clamped into the slot 322, the handle is rotated indoors to drive the fastener 330 to rotate, the pick 410 rotates along with the fastener 330, the protrusion 411 is blocked by the first stopper 112, the pick 410 rotates along the first set screw 430 to compress the second spring 420, the pick 410 is separated from the slot 322, the locking of the square rod 321 is released, the insertion rod 320 is ejected out under the action of the first spring 210, the top of the square rod 321 extends into the mounting groove again, the insertion rod 320 and the fastener 330 form linkage, and the square rod 321 is restored to the unlocking state.

It is understood that, referring to fig. 6, the base 110 is provided with a driving block 610 for driving the base 110 to rotate. It should be understood that when the pulling piece 410 is snapped into the locking slot 322, the driving block 610 is rotated to drive the base 110 to rotate, so that the first stopper 112 acts on the protrusion 411 to drive the pulling piece 410 to rotate along the first set screw 430, the second spring 420 is compressed, the pulling piece 410 is disengaged from the locking slot 322, the locking of the square rod 321 is released, and the square rod 321 is restored to the unlocking state.

Specifically, the driving block 610 may be disposed at an outer side of the door, and after the door lock is locked and locked indoors, in an emergency, such as rescue or escape of indoor personnel, the person outside the door may rotate the driving block 610 to restore the square rod 321 to the unlocked state, and then rotate the outdoor handle to open the door.

It will be appreciated that the drive block 610 may be provided with a special structure that requires the use of a special tool to rotate the drive block 610, preventing an outdoor person from rotating the drive block 610 at will. Referring to fig. 6, the driving block 610 is provided with a second button 620, a pressure spring is disposed below the second button 620, and a groove is disposed at the top of the second button 620, so that the second button 620 can be pressed down and rotated by a special tool, so as to drive the base 110 to rotate.

It is understood that the door handle further includes a protective shell 710, and the protective shell 710 is provided with a receiving cavity in which the base 110 is adapted to be placed. It is understood that protective shell 710 can provide both protective and decorative functions.

It can be understood that, referring to fig. 6 to 8, a third spring 720 is disposed in the accommodating cavity, the second stopper 113 is disposed on the base 110, and the third spring 720 is located between the protective shell 710 and the second stopper 113. It should be understood that the driving block 610 drives the base 110 to rotate, the second stopper 113 compresses the third spring 720, and after the rotation of the base 110 is finished, the driving block 610 is reset under the action of the third spring 720.

It can be understood that, referring to fig. 7 and 8, a spring plate 730 is disposed in the receiving cavity, one end of the spring plate 730 is clamped with the insert rod 320 or the fastener 330, and the other end is connected with the protective shell 710. When the handle 310 is rotated outdoors to drive the inserted link 320 to rotate or the handle 310 is rotated indoors to drive the fastener 330 to rotate, the spring piece 730 is compressed to store elastic potential energy, and after the handle 310 rotates, the handle 310 is reset under the action of the spring piece 730.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A door handle with a lock function, characterized by comprising:

a base provided with an inner cavity;

a first spring disposed in the inner cavity;

the driving assembly comprises a handle, an inserted bar and a fastener, wherein the handle is respectively connected with the inserted bar and the fastener;

the square rod is arranged in the inner cavity in a sliding mode, the clamping groove is formed in the front end of the square rod, the first spring is located between the square rod and the base, the fastener is provided with an installation groove, the shape of the installation groove is matched with the shape of the square rod, the top of the square rod is in an unlocking state when placed in the installation groove, and the top of the square rod is in a locking state when separated from the installation groove;

and the self-locking assembly is arranged on the fastener and matched with the clamping groove so as to realize locking when the square rod is in an up-locking state.

2. The door handle with locking function as claimed in claim 1, wherein the self-locking assembly comprises a pick rotatably disposed on the fastener, the pick being snapped into the snap groove for locking the square bar, and a second spring located between the pick and the fastener.

3. The door handle with a lock function according to claim 2, wherein an end of the insert lever remote from the square bar is provided with a first push button for actuating the insert lever.

4. The door handle with a locking function according to claim 2, wherein a first stopper is provided on the base, and the pick is provided with a projection, the first stopper cooperating with the projection for driving the pick out of the catch.

5. The door handle with locking function according to claim 4, wherein the base is provided with a driving block for driving the base to rotate.

6. The door handle with a locking function according to claim 5, further comprising a protective case provided with a receiving cavity, wherein the base is adapted to be placed in the receiving cavity.

7. The door handle with locking function according to claim 6, wherein a third spring is provided in the receiving cavity, and the base is provided with a second stopper, the third spring being located between the protective shell and the second stopper.

8. The door handle with locking function as claimed in claim 6, wherein a spring plate is disposed in the receiving cavity, one end of the spring plate is engaged with the insert rod or the fastener, and the other end of the spring plate is connected with the protective shell.