CN220555936U - Knob structure and door lock - Google Patents

Abstract

The present disclosure relates to the technical field of intelligent door locks, and provides a knob structure and a door lock, including: the device comprises a base and a linkage mechanism, wherein the linkage mechanism is suitable for being in transmission connection with a locking mechanism, the linkage mechanism comprises at least one rotating assembly, the rotating assembly is rotatably arranged on the base, a deflector rod is connected to the rotating assembly, an elastic reset piece is in transmission connection between the rotating assembly and the base, the deflector rod is applied with force to drive the locking mechanism to move, and the locking mechanism is unlocked when the rotating assembly rotates to a set angle. The knob structure is complex to operate, and the misoperation difficulty of children is increased, so that the safety of the children is effectively protected. Because the knob sweeping structure has the advantage of high misoperation difficulty for children, the door lock also has better quality and user experience in the corresponding aspect.

Description

Knob structure and door lock

Technical Field

The disclosure relates to the technical field of intelligent door locks, in particular to a knob structure and a door lock.

Background

Along with the popularization of intelligent door locks, in reality, we often meet the problem that needs to prevent children from independently opening the door and going out, and many factories can be equipped with child lock function on the lock to prevent children from independently going out in the mode of electronic unlocking, in order to prevent the problem that electronic lock became invalid, need set up the mode of mechanical unlocking simultaneously, and the mechanical unlocking mechanism of current child lock often is obvious and easy to operate, hardly avoids children to independently open the door, makes child lock form the same as the dummy.

Disclosure of Invention

In order to solve the technical problems, the present disclosure provides a knob structure and a door lock.

In one aspect, the present disclosure provides a knob structure comprising:

a base;

the linkage mechanism is suitable for being connected with the locking mechanism transmission of lock, the linkage mechanism includes at least one rotating assembly, rotating assembly rotatable set up in on the base, be connected with the driving lever on the rotating assembly, rotating assembly with the transmission is connected with elasticity reset piece between the base, is suitable for driving locking mechanism motion to the driving lever application of force, locking mechanism unblock when rotating assembly changes to the settlement angle.

Optionally, the linkage mechanism includes knob subassembly and rotating turret subassembly, the knob subassembly with rotating turret subassembly transmission connection, the driving lever set up in on the knob subassembly.

Optionally, the knob assembly includes a rotating arm and a knob gear disposed on an outer circumference of the rotating arm, and the rotating frame assembly includes a rotating shaft and a rotating frame gear disposed along the outer circumference of the rotating shaft, the knob gear being engaged with the rotating frame gear.

Optionally, the base is provided with a first positioning shaft and a second positioning shaft, the rotating shaft sleeve is rotatably arranged on the first positioning shaft, and the rotating arm is rotatably sleeved on the second positioning shaft.

Optionally, the shift lever and the knob gear are arranged on the rotating arm at intervals, the knob gear is arranged at one end of the rotating arm facing the bottom plate, and the shift lever is arranged on the rotating arm along the radial direction of the rotating arm.

Optionally, a stress connection groove is formed at one end of the rotating arm, which is opposite to the base.

Optionally, the elastic restoring member is a torsion spring, two ends of the elastic restoring member are respectively provided with an extension arm, the base is provided with a fixing member, two extension arms are respectively arranged on two sides of the fixing member, one of the extension arms is connected with the fixing member, and the other extension arm is connected with the rotating frame assembly.

Optionally, the rotating frame gear is provided with a limiting piece which is arranged at intervals between the connecting positions of the elastic resetting piece in the circumferential direction, and the limiting piece is suitable for being abutted with the fixing piece.

Optionally, the device further comprises a cover, the cover is arranged on the linkage mechanism, a concave part is formed on the cover, and the deflector rod penetrates through the wall plate of the concave part and can be accommodated in the concave part in a swinging mode.

Optionally, a through groove and an arc-shaped slideway groove are formed in the wall plate of the concave part, the through groove is communicated with the slideway groove, orthographic projection of the deflector rod in the concave part is suitable for completely falling into the through groove, and the deflector rod penetrates through the slideway groove and swings along the slideway groove.

According to the knob structure provided by the embodiment of the disclosure, the base is arranged to provide the mounting platform for the linkage mechanism, so that the rotating assembly of the linkage mechanism can be rotatably arranged on the base, and the rotating assembly drives other parts of the linkage mechanism to move so as to drive the locking mechanism to move; through setting up the driving lever on rotating the assembly, make users stir the assembly through the driving lever, in order to facilitate users' application of force, stop rotating the assembly in the position that the locking mechanism can be unlocked; the elastic reset piece is connected between the rotating component and the base, so that the locking mechanism can be automatically locked when the rotating component does not rotate to a designated position, and the safety of the lock is improved; the operation is more complicated, the misoperation difficulty of children is increased, and therefore the safety of the children is effectively protected.

Another aspect of the present disclosure provides a door lock including the knob structure described above.

The door lock comprises the knob structure, and the knob structure has the advantage of high misoperation difficulty for children, so that the door lock also has good quality and user experience in corresponding aspects.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an exploded view of a knob structure according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of a linkage mechanism according to an embodiment of the disclosure.

1, a base; 11. a fixing member; 12. a first positioning shaft; 13. a second positioning shaft; 2. a turret assembly; 21. a rotating shaft hole; 22. a turret gear; 23. rotating the limiting piece; 24. a connection part; 3. a knob assembly; 31. a rotating arm shaft hole; 32. a deflector rod; 33. a stress connecting groove; 34. a knob gear; 4. an elastic connection member; 41. an extension arm; 5. a fixing frame; 6. covering; 61. a concave portion; 62. a through groove; 7. and (5) a screw.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

As shown in fig. 1, the present disclosure provides a knob structure including a base 1, a linkage mechanism, and a cover 6; the base 1 can be a plane structure, a protruding structure or a hollowed-out structure and is used for being installed on the door body; the linkage mechanism comprises at least one rotating component which is rotatably arranged on the base 1; the rotating assembly is connected with a deflector rod 32, and the deflector rod 32 can be integrally formed with the rotating assembly or mounted on the rotating assembly, and a user applies force to the deflector rod 32 for controlling the rotation of the knob. The elastic reset piece is connected between the rotating assembly and the base 1 in a transmission way, the rotating assembly and the base 1 can be directly connected, or can be indirectly connected through other parts of the linkage mechanism, when a user does not apply force to the deflector rod 32, the rotating assembly can be kept at the initial position by the aid of the structure, the linkage mechanism can drive the locking mechanism to move, and when the rotating assembly rotates to a set angle, the locking mechanism is unlocked.

The knob structure can provide a mounting platform for the linkage mechanism through the arrangement of the base 1, so that a rotating assembly of the linkage mechanism can be rotatably arranged on the base 1, and other parts of the linkage mechanism are driven by the rotating assembly to move so as to drive the locking mechanism to move; through setting the deflector rod 32 on the rotating assembly, a user can stir the rotating assembly through the deflector rod 32 so as to facilitate the force application of the user and stop the rotating assembly at the position where the locking mechanism can be unlocked; the elastic reset piece is connected between the rotating component and the base 1, so that the locking mechanism can be automatically locked when the rotating component does not rotate to a designated position, and the safety of the lock is improved; the operation is more complicated, the misoperation difficulty of children is increased, and therefore the safety of the children is effectively protected.

Illustratively, during use, a user may control rotation of the knob by toggling the lever 32 within the recess 61; when the thumb lever 32 rotates the knob to a specified position, the locking mechanism will unlock, thereby releasing the child lock; the user may also reset the rotating assembly by releasing the lever 32 and lever 32, allowing the locking mechanism to return to its original position and the child lock will remain locked.

In some embodiments, the linkage mechanism comprises a knob assembly 3 and a rotating frame assembly 2, and the knob assembly 3 is in transmission connection with the rotating frame assembly 2; namely, the linkage mechanism comprises two rotating assemblies, namely a knob assembly 3 and a rotating frame assembly 2, and a deflector rod 32 is arranged on the knob assembly 3 and used for controlling the rotation of the knob; an elastic resetting piece is connected between the rotating frame assembly 2 and the base 1 and is used for resetting the rotating frame which is not subjected to external force, so as to drive the knob assembly 3 to reset. Specifically, the elastic restoring member is connected between the rotating frame assembly 2 and the base 1, so when the knob assembly 3 is rotated from the initial position to other positions by external force, the rotating frame assembly 2 is driven to rotate, and the rotating frame applies a tensile force to one end of the elastic restoring member to enable the elastic restoring member to generate a certain elastic counter force, so when the external force is released, the elastic restoring member restores to the original length, and drives the rotating frame assembly 2 to rotate, thereby the knob assembly 3 is enabled to rebound to the initial position, and meanwhile, the deflector rod 32 arranged on the knob assembly 3 is enabled to return.

Further, the knob assembly 3 includes a rotating arm and a knob gear 34, the knob gear 34 is disposed on the periphery of the rotating arm, the rotating arm and the knob gear 34 may be of an integrally formed structure or a split assembly structure, in addition, the shift lever 32 may be disposed on the rotating arm, specifically, the knob gear 34 is disposed at one end of the rotating arm near the bottom plate, and the shift lever 32 is disposed at one end of the rotating arm far from the shift lever 32; the turret assembly 2 includes a shaft and a turret gear 22. The turret gear 22 is disposed along the periphery of the shaft and engages the knob gear 34 for transmitting torque from the knob assembly 3.

In the embodiment shown in fig. 2, a first positioning shaft 12 and a second positioning shaft 13 are disposed on the base 1, a rotating shaft is rotatably sleeved on the first positioning shaft 12, a rotating arm is rotatably sleeved on the second positioning shaft 13, a rotating shaft hole 21 is formed in one end of the rotating shaft, which faces the base 1, a rotating arm shaft hole 21 can be sleeved and rotationally matched with the first positioning shaft 12, a rotating arm shaft hole 31 is formed in one end of the rotating arm, which faces the base 1, the rotating arm shaft hole 31 can be sleeved and rotationally matched with the second positioning shaft 13, and when the rotating shaft hole 21 and the rotating arm shaft hole 31 are respectively sleeved and rotationally matched with the first positioning shaft 12 and the second positioning shaft 13, a rotating shaft gear can be meshed with the rotating arm gear.

In other embodiments, the shift lever 32 is disposed on the rotating arm at a distance from the knob gear 34, the shift lever 32 is disposed along the radial direction of the rotating arm, the side of the shift lever 32 facing the knob gear 34 may be a planar structure, and the side of the shift lever 32 facing away from the knob gear 34 may be provided with a raised holding portion at an end far away from the rotating arm, so that the user applies force to the shift lever 32, when the knob gear 34 rotates, the knob assembly 3 will transmit the rotational force to the turret gear 22, and when the knob assembly 3 rotates to the designated position, the turret assembly 2 also rotates to the designated unlocking position.

In more detail, the end of the rotating arm facing away from the base 1 is provided with a stress connecting groove 33, and an external connecting piece can be connected into the stress connecting groove 33, so that a user can apply force to the rotating arm, and the shape and the size of the stress connecting groove 33 can be designed and adjusted according to actual needs to meet the requirements of different application scenes.

In some embodiments, the elastic restoring member is a torsion spring, the torsion spring can be installed on the base 1 through the fixing frame 5, and the fixing frame 5 can be clamped with the torsion spring through a clamping component or can be installed on the base 1 through a screw 7, so that each component of the linkage mechanism can be automatically restored to an initial position after rotating; two ends of the elastic resetting piece are respectively provided with an extension arm 41, one of which is connected with the fixing piece 11, and the other is connected with the rotating frame component 2; the fixing piece 11 is arranged on the base 1 and is used for fixing one end of the elastic resetting piece; when the knob is rotated, the extension arm 41 at the other end rotates, thereby pulling the torsion spring, and the knob assembly 3 can automatically return to the initial position when the pull rod is not subjected to external force. Specifically, the fixing member 11 may take various forms, for example, a bracket, a jig, a boss, or the like, which may be provided on the base 1, for fixing one end of the torsion spring. In addition, the length and shape of the extension arm 41 can be designed and adjusted according to actual needs to meet different needs. In addition, the torsion spring and the fixing piece 11 can be fixed by adopting a sleeve and other structures so as to enhance the stability of connection. The torsion spring is used as an elastic reset piece, so that the knob has a good reset function, and the use experience of the knob is improved.

In a further embodiment, the turret gear 22 is circumferentially provided with a limiting member spaced from the resilient return member, the limiting member being adapted to abut against the fixing member 11 to limit the rotation range of the knob, and the structure is also capable of limiting the rotation angle of the knob assembly 3 due to engagement of the turret gear 22 with the knob gear 34, thereby avoiding damage or malfunction of the resilient return member due to excessive rotation. The limiting member may be, for example, a bump or an arc-shaped rib disposed on one surface of the turret gear 22 opposite to the base 1, and when two bumps or a longer rib disposed at intervals are adopted, limiting may be performed in both forward rotation and reverse rotation directions. Alternatively, the elastic restoring member of the turret gear 22 may be provided with a connecting portion 24, where the connecting portion 24 may be a member such as a buckle, a clamp, an adhesive seat, and the connecting portion 24 may be disposed opposite to the limiting member, so that the turret gear 22 has a larger rotation range.

Furthermore, in some more detailed embodiments, the knob further includes a cover 6, the cover 6 is disposed on the linkage mechanism, a recess 61 is formed on the cover 6, and the lever 32 is swingably accommodated in the recess 61 through a wall plate of the recess 61. The cover 6 can be connected with the base 1 for protecting and beautifying the linkage mechanism; cover 6 may be of any suitable shape and size, and at least some of the positions of cover 6 have a relatively flat surface with a recess 61 formed therein, and lever 32 is swingably received in recess 61 through the wall of recess 61, i.e., the wall of recess 61 is provided with an opening through which lever 32 can pass and swing, and recess 61 can thereby provide a swing space for lever 32, so that lever 32 can be hidden within recess 61. Alternatively, an openable cover plate may be provided on the surface of the recess 61. The cover 6 should be provided with an opening, so that a user can connect the external connection piece with the stress connection groove 33 of the end of the rotating arm facing away from the base 1 through the opening, and in a specific structure, the rotating arm can pass through the opening, or the rotating arm is in the opening, and the stress connection groove 33 is opposite to the opening. By providing the recess 61 in the cover 6, the lever 32 can be inserted through the wall of the recess 61 and can be swingably accommodated in the recess 61, thereby increasing the concealment of the knob structure. The cover 6 may further be provided with a door lock panel.

In a further embodiment, the wall plate of the recess 61 is provided with a through groove 62 and an arc-shaped slideway groove, the through groove 62 is communicated with the slideway groove, the front projection of the deflector rod 32 in the recess 61 is suitable for completely falling into the through groove 62, when the deflector rod 32 is assembled, the deflector rod 32 can pass through the wall plate of the recess 61 by the through groove 62, and at least part of the deflector rod 32 swings in the sliding groove and along the extending direction of the slideway groove. In order to make the structure of the cover plate more compact, the slideway grooves can be adjacent to the opening and arranged concentrically, and in order to save space on the surface of the cover 6, the concave parts 61 can be arranged in a semicircular structure.

The above-mentioned knob structure for to the driving lever 32 of knob application of force can hide in the concave part of covering to flush with the plane of covering, make the knob structure be unlikely to destroy the outward appearance of panel while, still make children be difficult to find the driving lever 32 of knob structure through mechanical unlocking, concretely can set up to the driving lever 32 need push down to the bottom and need keep the position of driving lever 32 unchanged at the in-process of unblanking, if loosen the hand in the midway of unblanking, interlock mechanism will reset under the effect of spring, make child lock relock. Through hiding the requirement of continuity of driving lever and preset driving lever unblock position, lead to the fact concealment and complexity to realize child's lock function for children through mechanical unlocking, protection children safety.

The disclosure also provides a door lock comprising the knob structure.

The door lock provided by the disclosure comprises the knob structure, and the knob structure has the following advantages

The door lock has the advantage of high misoperation difficulty for children, so that the door lock has better quality and user experience in corresponding aspects.

In the description of the embodiments of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the embodiments of the present disclosure and to simplify the description, and do not indicate or imply that the structures or devices referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present disclosure.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A knob structure, comprising:

a base (1);

the linkage mechanism is suitable for being in transmission connection with a locking mechanism of the door lock and comprises at least one rotating assembly, the rotating assembly is rotatably arranged on the base (1), a deflector rod (32) is connected to the rotating assembly, an elastic reset piece is in transmission connection between the rotating assembly and the base (1), the deflector rod (32) is applied with force and is suitable for driving the locking mechanism to move, and the locking mechanism is unlocked when the rotating assembly rotates to a set angle;

the linkage mechanism comprises a knob assembly (3) and a rotating frame assembly (2), the knob assembly (3) is in transmission connection with the rotating frame assembly (2), the deflector rod (32) is arranged on the knob assembly (3), and the elastic reset piece is connected between the rotating frame assembly (2) and the base (1);

the knob assembly (3) comprises a rotating arm and a knob gear (34) arranged on the periphery of the rotating arm, the rotating frame assembly (2) comprises a rotating shaft and a rotating frame gear (22) arranged along the periphery of the rotating shaft, and the knob gear (34) is meshed with the rotating frame gear (22).

2. The knob structure according to claim 1, wherein the base (1) is provided with a first positioning shaft (12) and a second positioning shaft (13), the rotating shaft is rotatably sleeved on the first positioning shaft (12), and the rotating arm is rotatably sleeved on the second positioning shaft (13).

3. The knob structure according to claim 1, wherein the shift lever (32) is provided on the rotating arm at an interval from the knob gear (34), the knob gear (34) is provided at an end of the rotating arm facing the bottom plate, and the shift lever (32) is provided on the rotating arm in a radial direction of the rotating arm.

4. Knob structure according to claim 1, characterized in that the end of the swivel arm facing away from the base (1) is provided with a force-receiving connecting groove (33).

5. The knob structure according to claim 1, wherein the elastic restoring member is a torsion spring, two ends of the elastic restoring member are respectively provided with an extension arm (41), the base (1) is provided with a fixing member (11), two extension arms (41) are respectively arranged at two sides of the fixing member (11), one extension arm (41) is connected with the fixing member (11), and the other extension arm is connected with the rotating frame assembly (2).

6. The knob structure according to claim 5, wherein the turret gear (22) is provided with a limiting member arranged at a distance from the elastic return member in the circumferential direction, said limiting member being adapted to abut against the fixing member (11).

7. The knob structure according to any one of claims 1-6, further comprising a cover (6), wherein the cover (6) is provided on the interlocking mechanism, a recess (61) is formed on the cover (6), and the lever (32) is swingably accommodated in the recess (61) through a wall plate of the recess (61).

8. The knob structure according to claim 7, wherein a through groove (62) and an arc-shaped slide groove are formed in the wall plate of the concave portion (61), the through groove (62) is communicated with the slide groove, the orthographic projection of the deflector rod (32) in the concave portion (61) is suitable for falling into the through groove (62), and the deflector rod (32) penetrates through the slide groove and swings along the slide groove.

9. A door lock comprising a knob structure according to any one of claims 1 to 8.