CN217001308U - Automatic intelligent door lock with externally hung drive - Google Patents

Abstract

The utility model relates to an automatic intelligent door lock with an externally hung drive, which comprises a lock body main part and a drive module; the lock body main part comprises a lock shell, a locking module, a control module and a detection module, wherein the locking module is movably arranged in the lock shell, the control module is used for driving the locking module to extend out or retract, and the detection module is used for judging the state of the locking module; the driving module drives the control module to move through the square shaft; the detection module comprises a first detection unit and a second detection unit; when the locking module is in a fully extended state, the control module independently triggers the first detection unit; when the locking module is in a fully retracted state, the control module separately triggers the second detection unit. The driving module has enough configuration space; the locking module effectively shortens the driving stroke; the detection module enables the driving module to stop driving in time, and the condition of locked rotor is avoided, so that the service life of the device is prolonged.

Description

Automatic intelligent door lock with externally hung drive

Technical Field

The utility model relates to the field of intelligent door locks, in particular to an external hanging driven automatic intelligent door lock.

Background

The intelligent door lock is an improved lock on the basis of being different from a traditional mechanical lock, and is more intelligent and simpler in the aspects of user safety, identification and manageability. The existing automatic intelligent door lock is usually realized in two modes, one mode is that a driving motor is directly arranged in a lock body, and the size of the built-in motor is limited due to the limitation of the installation size, so that the output torque of the motor is smaller, the power is insufficient, and the stability is not guaranteed; the other is that the motor is externally hung and is matched with a common mechanical lock body to directly stir the position of the mechanical lock head by the motor to drive the mechanical lock head to realize locking and unlocking, the automatic locking and unlocking time is longer due to the fact that the stroke of a mechanical lock body switch is large, the use experience is very poor, the motor cannot receive a signal that the motor needs to stop after work is completed, the motor can only rotate to the state that the motor cannot rotate, and the service life of the motor is influenced because the motor can work for a blocked time period every time.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an external drive automatic intelligent door lock which is stable, has a short driving stroke, and can stably control the motor stroke.

The purpose of the utility model is realized by the following technical scheme:

an automatic intelligent door lock with external hanging drive comprises a lock body main part and a drive module;

the lock body main part comprises a lock shell, a locking module, a control module and a detection module, the locking module is movably arranged in the lock shell, the control module is used for driving the locking module to extend out or retract, and the detection module is used for judging the state of the locking module; the driving module drives the control module to move through a square shaft;

the detection module comprises a first detection unit and a second detection unit; when the locking module is in a fully extended state, the control module independently triggers the first detection unit; when the locking module is in a fully retracted state, the control module separately triggers the second detection unit.

The intelligent door lock is characterized in that the driving module is arranged outside, so that the driving module has enough configuration space to obtain enough torque and ensure the stability of the operation of the lock body main part; the driving module directly drives the control module to move through the square shaft, so that the control module can drive the locking module to extend out of or retract into the lock shell, namely the locking module can synchronously generate corresponding actions when the driving module is driven, the driving stroke is effectively shortened, and the driving efficiency is improved; in the process of locking module motion, can detect locking module's motion state through first detecting element and second detecting element, locking module can trigger different detecting element under different states, whether triggered through detecting first detecting element and second detecting element promptly, judges that locking module is in the state of stretching out or withdrawing for the drive module can in time stop further drive, thereby avoids producing the circumstances of locked rotor, in order to improve drive module's life.

Furthermore, the control module comprises a first clamping plate and a second clamping plate which are connected in a meshed mode, the square shaft is used for driving the first clamping plate to rotate, and the second clamping plate is used for driving the locking module to move.

First cardboard and second cardboard among the above-mentioned control module are cam-type structure, the square shaft drives the rotation of first cardboard under drive module's drive, the synchronous antiport of second cardboard that the meshing is connected promotes the removal of locking module simultaneously, make in the locking module can stretch out or withdraw the lock shell, a structure is simple and effective, driven transmission process does not have the time delay, the locking module can synchronous receipt drive module, locking or unblock efficiency has been improved.

Furthermore, the locking module comprises a main spring bolt and a locking plate, the locking plate is used for driving the main spring bolt to retract or extend out of the lock shell, and the second clamping plate is movably connected with the locking plate.

The locking module is divided into two parts, so that the assembly and the subsequent maintenance and replacement can be facilitated, when the locking module is in a completely extending state, the locking module is in a completely extending state and is in a completely extending state for the main spring bolt, when the locking module is in a completely retracting state, the locking module is in a completely retracting state for the main spring bolt and can also be regarded as the maximum moving stroke of the locking plate in the lock shell.

Further, the first clamping plate is provided with a first contact part, and the locking plate is provided with a second contact part; when the main bolt is completely extended, the first contact part triggers the first detection unit; when the main bolt is completely retracted, the second contact part triggers the second detection unit.

First cardboard is through the rotation that drives the second cardboard, promote the removal of jam plate simultaneously, only when main spring bolt stretches out completely, first detecting element just can be started to first contact site on the first cardboard, it is corresponding, only when main spring bolt withdraws completely, second detecting element just can be started to second contact site on the first cardboard, when first detecting element or second unit are triggered, can give drive module with corresponding signal transmission, drive module stall drive, thereby can effectively avoid drive module's locked rotor.

Furthermore, the first clamping plate is provided with a through hole, a limiting groove is formed in the inner side of the through hole, and the square shaft is clamped in the limiting groove.

In the through-hole was located to above-mentioned square shaft card, convenient equipment and dismantlement, in addition, still be equipped with oblique spring bolt usually in the lock body main part, the setting up of spacing groove makes the square shaft need rotate just can effectively drive first cardboard after certain angle, its purpose is in order to make the square shaft can regard as the driving piece of oblique spring bolt simultaneously.

Furthermore, the lock further comprises an elastic piece, one end of the elastic piece is fixed in the lock shell, and the other end of the elastic piece is fixed on the second clamping plate. The setting of elastic component makes the drive module unload power back to first cardboard, can avoid first cardboard to produce phenomenon such as gyration or not hard up.

Furthermore, the locking plate is provided with an inclined groove, the second clamping plate is provided with a push rod, and the push rod is inserted into the inclined groove.

The second cardboard drives the push rod simultaneously and is circular motion when rotating, and the push rod also slides along the chute on the jam plate when being circular motion to promote the jam plate and be horizontal motion, the aforesaid sets up simple structure, can effectually change the circular motion of push rod into the horizontal motion of jam plate, thereby makes the main spring bolt can the level stretch out or withdraw, in order to improve its stability.

Further, the first detection unit and the second detection unit are both microswitches. The micro switch can send corresponding detection signals to the driving module, and the driving module drives according to the corresponding signals.

Furthermore, the number of the main lock tongues is more than two. More than two main lock tongues can effectively improve intensity and the stability of locking.

Furthermore, the driving module comprises a driving unit and a control main board. The control mainboard can receive the signal that each component in the lock body main part transmitted to according to the action of corresponding signal control drive unit.

Compared with the prior art, the utility model has the beneficial effects that:

according to the automatic intelligent door lock, the driving module is arranged outside, so that the driving module has enough configuration space to obtain enough torque, and the stability of the operation of the lock body main part is ensured; when the driving module is driven, the locking module can synchronously generate corresponding actions, so that the driving stroke is effectively shortened, and the driving efficiency is improved; in the process of locking module motion, whether triggered through detecting first detecting element and second detecting element, judge that the locking module is in the state of stretching out or withdrawing for the drive module can in time stop further drive, thereby avoid producing the circumstances of locked rotor, with the life who improves the drive module.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lock body main member according to an embodiment of the utility model.

Fig. 3 is an exploded view of a portion of a lock body member according to an embodiment of the present invention.

Reference numerals: 1-a lock body master; 11-a lock case; 12-a locking module; 121-main bolt; 122-a lock plate; 1221-a second contact; 1222-a chute; 13-a control module; 131-a first card; 1311 — a first contact; 1312-a through hole; 1313-a limiting groove; 132-a second card; 14-a detection module; 141-a first detection unit; 142-a second detection unit; 15-an elastic member; 2-a driving module; 21-a drive unit; 22-control the mainboard; 3-square shaft.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1-3, a preferred embodiment of the present invention is shown.

An automatic intelligent door lock with external hanging drive comprises a lock body main part 1 and a drive module 2; the lock body main part 1 comprises a lock shell 11, a locking module 12, a control module 13 and a detection module 14, wherein the locking module 12 is movably arranged in the lock shell 11, the control module 13 is used for driving the locking module 12 to extend or retract, and the detection module 14 is used for judging the state of the locking module 12; the driving module 2 drives the control module 13 to move through the square shaft 3; the detection module 14 includes a first detection unit 141 and a second detection unit 142; when the locking module 12 is in the fully extended state, the control module 13 triggers the first detection unit 141 alone; when the locking module 12 is in the fully retracted state, the control module 13 alone triggers the second detection unit 142.

The intelligent door lock is characterized in that the driving module 2 is arranged outside, so that the driving module 2 has enough configuration space to obtain enough torque, and the stability of the operation of the lock body main part 1 is ensured; the driving module 2 directly drives the control module 13 to move through the square shaft 3, so that the control module 13 can drive the locking module 12 to extend out of or retract into the lock shell 11, namely when the driving module 2 is driven, the locking module 12 can synchronously generate corresponding actions, the driving stroke is effectively shortened, and the driving efficiency is improved; in the process of the movement of the locking module 12, the movement state of the locking module 12 can be detected by the first detection unit 141 and the second detection unit 142, and the locking module 12 can trigger different detection units in different states, that is, whether the first detection unit 141 and the second detection unit 142 are triggered is detected, so as to determine whether the locking module 12 is in the extending or retracting state, so that the driving module 2 can stop further driving in time, thereby avoiding the occurrence of the locked-rotor condition, and prolonging the service life of the driving module 2.

In this embodiment, the control module 13 comprises a first engaging plate 131 and a second engaging plate 132 engaged with each other, the square shaft 3 is used for driving the first engaging plate 131 to rotate, and the second engaging plate 132 is used for driving the locking module 12 to move. The partial edge of first cardboard 131 is equipped with the tooth piece, and is corresponding, and the partial edge of second cardboard 132 is equipped with the tooth piece that corresponds with it, can effectively reduce the manufacturing degree of difficulty, and second cardboard 132 rotates the setting in lock shell 11 in addition.

First cardboard 131 and second cardboard 132 among the above-mentioned control module 13 are cam type structure, square shaft 3 drives the rotation of first cardboard 131 under drive module 2's drive, the synchronous antiport of second cardboard 132 that the meshing is connected promotes the removal of locking module 12 simultaneously, make locking module 12 can stretch out or withdraw in the lock shell 11, and its simple structure and effective, driven transmission process does not delay, locking module 12 can synchronous receipt drive module 2's drive, locking or unblock efficiency has been improved.

In this embodiment, the locking module 12 includes a main bolt 121 and a locking plate 122, the locking plate 122 is used for driving the main bolt 121 to retract or extend out of the lock case 11, and the second catch plate 132 is movably connected to the locking plate 122. The lock plate 122 is slidably disposed in the lock case 11, the lock plate 122 is located below the second locking plate 132, and the lock plate 122 and the second locking plate 132 are stacked. In addition, the number of the main bolts 121 is two or more, preferably three in this embodiment, and the strength and stability of locking can be effectively improved by the two or more main bolts 121.

The locking module 12 is divided into two parts, which can facilitate assembly and subsequent maintenance and replacement, when the locking module 12 is in a fully extended state, the main bolt 121 is fully extended out of the lock case 11, and when the locking module 12 is in a fully retracted state, the main bolt 121 is fully retracted into the lock case 11, and the maximum moving stroke of the lock plate 122 in the lock case 11 can also be considered.

In this embodiment, the first clamping plate 131 is provided with a first contact portion 1311, and the locking plate 122 is provided with a second contact portion 1221; when the main latch tongue 121 is fully extended, the first contact part 1311 triggers the first detection unit 141; when the main latch bolt 121 is completely retracted, the second contact 1221 triggers the second detection unit 142. The first detection unit 141 and the second detection unit 142 are stacked and fixed in the lock case 11, and the first contact 1311 and the second contact 1221 are respectively located at edges of the first locking plate 131 and the locking plate 122.

First cardboard 131 is through the rotation that drives second cardboard 132, promote the removal of jam plate 122 simultaneously, only when the main bolt 121 stretches out completely, first detecting element 141 just can be started to first contact 1311 on the first cardboard 131, it is corresponding, only when the main bolt 121 withdraws completely, second detecting element 142 just can be started to second contact 1221 on the first cardboard 131, when first detecting element 141 or second unit are triggered, can be with corresponding signal transmission for drive module 2, drive module 2 stops the drive, thereby can effectively avoid the stifled commentaries on classics of drive module 2.

As another embodiment, the first contact portion 1311 may be disposed on the first card 131, the second contact portion 1221 may be disposed on the lock plate 122, and accordingly, the first and second detection units 141 and 142 are mounted corresponding to the first and second contact portions 1311 and 1221.

In the present embodiment, the first clamping plate 131 is provided with a through hole 1312, a limiting groove 1313 is provided inside the through hole 1312, and the square shaft 3 is clamped in the limiting groove 1313. The through holes 1312 are round holes, the four limiting grooves 1313 are evenly arranged on the inner sides of the through holes 1312 at intervals, and the four edges of the square shaft 3 are respectively arranged in the different limiting grooves 1313.

Above-mentioned square shaft 3 card is located in through-hole 1312, convenient equipment and dismantlement, in addition, still is equipped with oblique spring bolt in the lock body main part 1 usually, and the setting up of spacing groove 1313 makes square shaft 3 need rotate to certain angle after just can effectively drive first cardboard 131, its purpose in order to make square shaft 3 can regard as the driving piece of oblique spring bolt simultaneously. It should be noted that the oblique bolt assembly can also be driven by the square shaft 3, and the specific driving manner is a technical means in the prior art, and reference may be made to patent document CN210003071U for details, which is named as a door lock mechanism for detecting the opening and closing state of a door, and therefore, details are not described herein.

In this embodiment, an elastic member 15 is further included, and one end of the elastic member 15 is fixed in the lock case 11 and the other end is fixed on the second catch plate 132. The arrangement of the elastic member 15 enables the driving module 2 to prevent the first clamping plate 131 from rotating or loosening after the first clamping plate 131 is unloaded. The elastic component 15 of this embodiment is a torsion spring, and is equipped with first fixed column in the lock shell 11, and the position that is close to the tooth piece on the second cardboard 132 is equipped with the second fixed column, and the one end of torsion spring is fixed on first fixed column, and the other end is then fixed on the second fixed column.

In this embodiment, the locking plate 122 is provided with a chute 1222, and the second clamping plate 132 is provided with a push rod, and the push rod is inserted into the chute 1222. Second cardboard 132 drives the push rod simultaneously and is circular motion when rotating, and the push rod also slides along chute 1222 on the jam plate 122 when being circular motion to promote the jam plate 122 and be horizontal motion, above-mentioned simple structure that sets up, can effectually change the circular motion of push rod into the horizontal motion of jam plate 122, thereby make main spring bolt 121 can the level stretch out or withdraw, in order to improve its stability.

In the present embodiment, the first detection unit 141 and the second detection unit 142 are both micro switches. The micro switch can send corresponding detection signals to the driving module 2, and the driving module 2 drives according to the corresponding signals. It should be noted that, when the first card 131 and the second card 132 are in the range between the maximum stroke or the minimum stroke, neither the first detecting unit 141 nor the second detecting unit 142 is triggered.

In the present embodiment, the driving module 2 includes a driving unit 21 and a control main board 22. The control main board 22 can receive signals transmitted by various components in the lock body main part 1 and control the action of the driving unit 21 according to the corresponding signals. The driving unit 21 drives the square shaft 3 later by means of the motor amplifying the torque through the reduction gear.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (10)

1. An external hanging driven automatic intelligent door lock is characterized by comprising a lock body main part and a driving module;

the lock body main part comprises a lock shell, a locking module, a control module and a detection module, the locking module is movably arranged in the lock shell, the control module is used for driving the locking module to extend out or retract, and the detection module is used for judging the state of the locking module; the driving module drives the control module to move through a square shaft;

the detection module comprises a first detection unit and a second detection unit; when the locking module is in a fully extended state, the control module independently triggers the first detection unit; when the locking module is in a fully retracted state, the control module separately triggers the second detection unit.

2. The automatic intelligent door lock with external hanging drive as claimed in claim 1, wherein the control module comprises a first clamping plate and a second clamping plate which are engaged and connected, the square shaft is used for driving the first clamping plate to rotate, and the second clamping plate is used for driving the locking module to move.

3. The automatic intelligent plug-in drive door lock according to claim 2, wherein the locking module comprises a main bolt and a locking plate, the locking plate is used for driving the main bolt to retract or extend out of the lock shell, and the second clamping plate is movably connected with the locking plate.

4. The automatic intelligent door lock with external drive according to claim 3, wherein the first clamping plate is provided with a first contact portion, and the locking plate is provided with a second contact portion; when the main bolt is completely extended, the first contact part triggers the first detection unit; when the main bolt is completely retracted, the second contact part triggers the second detection unit.

5. The automatic intelligent door lock with external hanging drive as claimed in claim 2, wherein the first clamping plate is provided with a through hole, the inner side of the through hole is provided with a limiting groove, and the square shaft is clamped in the limiting groove.

6. The automatic intelligent plug-in drive door lock according to claim 5, further comprising an elastic member, wherein one end of the elastic member is fixed in the lock case, and the other end of the elastic member is fixed on the second catch plate.

7. The automatic intelligent door lock with external hanging drive as claimed in claim 3, wherein the lock plate is provided with a chute, the second clamping plate is provided with a push rod, and the push rod is inserted into the chute.

8. The automatic intelligent plug-in driving door lock according to claim 1, wherein the first detection unit and the second detection unit are both micro switches.

9. The automatic intelligent door lock with external drive according to claim 3, wherein the number of the main lock tongues is more than two.

10. The automatic intelligent door lock with plug-in drive according to any one of claims 1 to 9, wherein the drive module comprises a drive unit and a control main board.

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