CN209976211U - Electric clutch device of electronic lock cylinder - Google Patents
Electric clutch device of electronic lock cylinder Download PDFInfo
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- CN209976211U CN209976211U CN201920265961.3U CN201920265961U CN209976211U CN 209976211 U CN209976211 U CN 209976211U CN 201920265961 U CN201920265961 U CN 201920265961U CN 209976211 U CN209976211 U CN 209976211U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model relates to an electric clutch device of an electronic lock core, which comprises an external rotation key and a transmission motor which are arranged on an external rotation shaft, wherein a transmission cavity is arranged in the external rotation key, an output shaft of the transmission motor is connected with a worm which extends into the transmission cavity, and a nut which can be in threaded connection with the worm is sleeved on the worm; the worm is sleeved with a first return spring and a second return spring which are respectively positioned at two sides of the nut; the transmission motor drives the screw cap to move axially in the worm so that the screw cap can push the outer rotating key and the inner rotating key to be jointed and linked or separated by means of the elasticity of the first return spring or the second return spring, and the structure is simple; the first return spring or the second return spring can play a role in buffering when the outer rotating key and the inner rotating key are mechanically clamped, so that the problems of relative idle rotation and sliding of the screw between the screw cap and the worm and the like are prevented, the design is ingenious, and the service life of the electric clutch device is effectively prolonged; in addition, the first return spring and the second return spring can enable the nut to be meshed with the worm, and working stability is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of locks, in particular to an electric clutch device of an electronic lock cylinder.
[ background of the invention ]
The transmission device (electric clutch device) of the existing electronic lock is mostly realized by a motor and a transmission mechanism, in order to convert the rotation action of the motor into the action of unlocking and left-right movement of unlocking, a complex transmission mechanism is needed to realize, and the time of positive and negative rotation of the motor needs to be accurately controlled, otherwise, the transmission mechanism is easily damaged; because it is difficult to precisely control the forward and reverse rotation time of the motor, if the worm drive is adopted, the rotation is easy to be over-rotated, and idle rotation is formed, and some double-spring electronic locks capable of solving the above problems appear in the prior art, such as chinese patent publication No. CN103790443B, the name of the invention is: a motor transmission device for an electronic lock adopts the technical scheme that: the positive and negative rotation motor is fixed in the installation cavity of the motor shell; one end of the rotating tooth shaft is fixedly connected with an output shaft of the forward and reverse rotating motor to realize linkage; the outer diameter of the rotary tooth sleeve is smaller than the diameter of an extending opening of the motor shell, and the rotary tooth sleeve is sleeved on the rotary tooth shaft through the through hole so that a first thread on the rotary tooth shaft is meshed with a second thread in the rotary tooth sleeve; the inner rotary tooth spring is sleeved on the rotary tooth shaft, and two ends of the inner rotary tooth spring are positioned between the forward and reverse rotation motor and the rotary tooth sleeve; the outer rotary tooth spring is sleeved on the rotary tooth sleeve, and two ends of the outer rotary tooth spring are positioned between the rotary tooth sleeve and the inner wall of the motor shell; the inner rotary tooth spring is compressed and then reacts on the rotary tooth sleeve, so that the second thread of the rotary tooth sleeve is reversely meshed with the first thread on the rotary tooth shaft, once the motor rotates reversely, the rotary tooth sleeve immediately extends outwards in a thread transmission mode and cannot idle, and similarly, when the locking mechanism is locked, the outer rotary tooth spring is compressed and then reacts on the rotary tooth sleeve, so that the second thread of the rotary tooth sleeve is reversely meshed with the first thread on the rotary tooth shaft, and once the motor rotates reversely, the rotary tooth sleeve immediately extends inwards in a thread transmission mode and cannot idle. Although this technical scheme just has solved the easy difficult problem that forms idle running of traditional worm and swivel nut through increasing two springs for the electronic lock need not too the time of accurate control motor just reversing, but it has following technical problem:
1. the first thread and the second thread are always meshed in the reverse direction, so that the rotary tooth shaft always drives the rotary tooth sleeve to rotate together no matter the motor rotates forwards or backwards; however, when the rotary tooth sleeve and other mechanisms in the lock are mechanically locked, the problems of relative idle running and thread sliding between the first thread and the second thread and the like can be caused, and the transmission device can be damaged and failed in serious cases;
2. an annular flange extends outwards from the inner end face of the rotary tooth sleeve, an outer rotary tooth spring is sleeved on the rotary tooth sleeve, and two ends of the outer rotary tooth spring are positioned between the annular flange and the inner end face of an extension opening of the motor shell; the processing technology of this structure is comparatively complicated, and changes the interior terminal surface of tooth sleeve and outwards extend and have annular flange, leads to changeing the telescopic size grow of tooth, can't satisfy small-size tool to lock's requirement.
3. The specification of this patent does not describe any practical application of the transmission device, which is complicated for a person skilled in the art, in particular, the motor housing is formed by the upper housing and the lower housing which are connected by a snap connection, and the transmission device cannot be widely used in all locks, in particular, in electronic locks using a pin lock housing or a blade lock housing.
Therefore, it is necessary to design an electric clutch device of an electronic lock cylinder capable of solving the above problems.
[ summary of the invention ]
In order to solve the problems, the invention provides the electric clutch device of the electronic lock cylinder, which has the advantages of simple structure, long service life, suitability for worm transmission and no idling.
In order to achieve the purpose, the invention provides the following technical scheme:
an electric clutch device of an electronic lock cylinder comprises an outward rotating key and a transmission motor, wherein the outward rotating key is arranged on an outward rotating shaft, a transmission cavity is arranged in the outward rotating key, an output shaft of the transmission motor is connected with a worm extending into the transmission cavity, a nut capable of being in threaded connection with the worm is sleeved on the worm, and the worm can drive the nut to axially move relative to the outward rotating key; the worm is further sleeved with a first return spring and a second return spring which are respectively positioned on two sides of the nut, when the transmission motor drives the worm to rotate forwards or backwards, the nut compresses the first return spring, and the first return spring pushes the outward-rotation key to move outwards along the rotating shaft of the worm; when the transmission motor drives the worm to rotate reversely or positively, the nut compresses the second return spring, and the second return spring pushes the outward-rotating key to move inwards along the rotating shaft of the worm.
As a preferred embodiment, further defined is: the transmission cavity is internally provided with a positioning groove, the outer side of the nut is convexly provided with a positioning part matched with the positioning groove, and the positioning part slides along the positioning groove when the nut moves along the axial direction of the rotating shaft of the worm.
As a preferred embodiment, further defined is: one end of the first return spring is abutted against the cavity bottom of the transmission cavity, and the other end of the first return spring is abutted against the screw cap; and a return spring baffle through which the worm can penetrate is arranged at the cavity opening of the transmission cavity, one end of the second return spring is abutted against the return spring baffle, and the other end of the second return spring is abutted against the nut.
As a preferred embodiment, further defined is: the drive motor is preferably a coreless motor.
As a preferred embodiment, further defined is: and the outer rotating shaft is provided with an anti-drilling pin positioned at the rear end of the transmission motor.
The beneficial effects of the invention are as follows: the invention drives the screw cap to axially move in the worm through the transmission motor, so that the screw cap can push the outer rotating key and the inner rotating key to be jointed, linked or separated by means of the elasticity of the first return spring or the second return spring, and the structure is simple. First return spring or second return spring can play the cushioning effect when the mechanical jamming appears in outer rotary key and adversion key, prevent to appear idle relatively smooth silk scheduling problem between nut and the worm, and design benefit effectively improves electric clutch's life. In addition, the first return spring and the second return spring can enable the nut to be meshed with the worm, and the working stability is improved.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of the invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the invention;
FIG. 4 is a schematic view of the construction of the outer shaft;
FIG. 5 is a schematic structural view of the outward rotating key;
FIG. 6 is a schematic structural diagram of an embodiment of the invention;
FIG. 7 is an exploded view of the embodiment of FIG. 6;
FIG. 8 is a sectional view of the outer rotary key separated from the inner rotary key;
FIG. 9 is a cross-sectional view of the engagement of an outer key with an inner key;
FIG. 10 is a schematic diagram of a structure of a pull-drag;
FIG. 11 is a schematic structural view of the inner rotary shaft;
fig. 12 is a schematic structural view of the inside rotation key.
[ detailed description ] embodiments
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1 to 5, an electric clutch device for an electronic lock cylinder includes an external rotation key 6 and a transmission motor 7 disposed in an external rotation shaft 4, wherein the transmission motor 7 can be connected to a driving circuit of an electronic lock such as a fingerprint identifier, an NFC identifier, and a password identifier of an electronic lock cylinder in the prior art. The transmission motor 7 is preferably a hollow cup motor, has extremely fast response and is suitable for being applied to an electronic lock cylinder. A transmission cavity 61 is arranged in the outward-turning key 6, an output shaft of the transmission motor 7 is connected with a worm 8 extending into the transmission cavity 61, a nut 9 capable of being in threaded connection with the worm 8 is sleeved on the worm 8, and the worm 8 can drive the nut 9 to axially move relative to the outward-turning key 6; the worm 8 is further sleeved with a first return spring 11 and a second return spring 12 which are respectively positioned on two sides of the nut 9, when the transmission motor 7 drives the worm 8 to rotate forwards or backwards, the nut 9 compresses the first return spring 11, and the first return spring 11 pushes the outward-rotation key 6 to move outwards along the rotation axis of the worm; when the transmission motor 7 drives the worm 8 to rotate reversely or forwardly, the nut 99 compresses the second return spring 12, and the second return spring 12 pushes the outward-rotation key 6 to move inwards along the rotation axis of the worm. First return spring 11 and second return spring 12 all set up in outer turnkey 6, can reduce the product space requirement, reduce the product size greatly for this electric clutch is smaller and more exquisite, is convenient for use in various electronic locks with various assemblies.
In this embodiment, a positioning groove 62 is provided in the transmission cavity 61, a positioning portion 91 corresponding to the positioning groove 62 is convexly formed on the outer side of the nut 9, and the positioning portion 91 slides along the positioning groove 62 when the nut 9 moves along the axial direction of the rotation shaft of the worm; the cooperation of the positioning part 91 and the positioning groove 62 enables the nut 9 to only move axially along the rotation axis of the worm, but not to rotate circumferentially, thereby limiting the nut 9.
In this embodiment, one end of the first return spring 11 abuts against the cavity bottom of the transmission cavity 61, and the other end abuts against the nut 9; the worm 8 is provided with a threaded part 81 in threaded connection with the nut 9, when the nut 9 is positioned outside the threaded part 81, the compressed stroke of the first return spring 11 is larger than or equal to the moving stroke of the nut 9, and at the moment, the first return spring 11 can push one side of the nut 9 to keep meshed with the worm 8. A return spring baffle 10 which can be penetrated by the worm 8 is arranged at the opening of the transmission cavity 61, one end of the second return spring 12 abuts against the return spring baffle 10, and the other end abuts against the screw cap 9; when the nut 9 is located on the inner side of the threaded portion 81, the compressed stroke of the second return spring 12 is larger than or equal to the moving stroke of the nut 9, and at the moment, the second return spring 12 can push the other side of the nut 9 to keep meshed with the worm 8.
The anti-drilling pin 13 positioned at the rear end of the transmission motor 7 is arranged in the outer rotating shaft 4, so that a lawbreaker can be prevented from drilling the electric clutch device after the external identifier of the electronic lock is damaged, and the safety of the electronic lock core is effectively improved.
The electric clutch device of the electronic lock core can be applied to various electronic locks in the prior art, and can not be limited to the electronic locks shown in the accompanying fig. 6 to 12; the electronic lock shown in fig. 9 to 12 comprises a lock case 1, a dial extension 2 installed in an open slot in the middle of the lock case 1, an inner rotary shaft 3 and an outer rotary shaft 4 installed in the lock case 1 on both sides of the dial extension 2, respectively, wherein the lock case includes, but is not limited to, a lock case commonly used in the electronic locks in the prior art, such as a pin tumbler lock case, a blade lock case, or a gourd-shaped lock case. The inner rotating shaft 3 is linked with the pulling device 2, an inner rotating key 5 linked with the inner rotating shaft 3 is arranged on the inner rotating shaft 3, the screw cap 9 compresses the first return spring 11 when the transmission motor 7 drives the worm 8 to rotate forwards or reversely, and the first return spring 11 pushes the outer rotating key 6 to move axially along the rotating shaft of the worm to be jointed and linked with the inner rotating key 5; when the transmission motor 7 drives the worm 8 to rotate reversely or forwardly, the screw cap 9 compresses the second return spring 12, and the second return spring 12 pushes the outer rotating key 6 to move axially along the rotating shaft of the worm to be separated from the inner rotating key 5, so that the structure is simple. When the transmission motor 7 drives the worm 8 to rotate and the external rotating key 6 and the internal rotating key 5 are mechanically locked, the nut 9 axially moves along the rotating shaft of the worm and compresses the first return spring 11 or the second return spring 12; after the mechanical jamming disappears, the first return spring 11 or the second return spring 12 pushes the outer rotating key 6 to move axially along the rotating shaft of the worm, so that the outer rotating key 6 and the inner rotating key 5 are jointed, linked or separated. First return spring or second return spring can play the cushioning effect when the mechanical jamming appears in outer rotary key and adversion key, prevent to appear idle relatively smooth silk scheduling problem between nut and the worm, and design benefit effectively improves electric clutch's life. In addition, the first return spring and the second return spring can enable the nut 9 to keep meshed with the worm 8, and stability of the electric clutch device is improved.
Claims (5)
1. An electric clutch device of an electronic lock cylinder is characterized by comprising an external rotating key (6) and a transmission motor (7) which are arranged on an external rotating shaft (4), wherein a transmission cavity (61) is arranged in the external rotating key (6), an output shaft of the transmission motor (7) is connected with a worm (8) which extends into the transmission cavity (61), the worm (8) is sleeved with a nut (9) which can be in threaded connection with the worm (8), and the worm (8) can drive the nut (9) to axially move relative to the external rotating key (6); the worm (8) is further sleeved with a first return spring (11) and a second return spring (12) which are respectively positioned on two sides of the screw cap (9), when the transmission motor (7) drives the worm (8) to rotate forwards or backwards, the screw cap (9) compresses the first return spring (11), and the first return spring (11) pushes the outward-rotation key (6) to move outwards along the rotating shaft of the worm; when the transmission motor (7) drives the worm (8) to rotate reversely or positively, the screw cap (9) compresses the second return spring (12), and the second return spring (12) pushes the outer rotating key (6) to move inwards along the rotating shaft of the worm.
2. The electric clutch device of the electronic lock cylinder according to claim 1, characterized in that a positioning groove (62) is arranged in the transmission cavity (61), a positioning portion (91) corresponding to the positioning groove (62) is convexly formed on the outer side of the nut (9), and the positioning portion (91) slides along the positioning groove (62) when the nut (9) moves along the axial direction of the rotation shaft of the worm.
3. The electric clutch device of the electronic lock cylinder according to claim 2, characterized in that one end of the first return spring (11) abuts against the bottom of the transmission cavity (61), and the other end abuts against the nut (9); the mouth of transmission chamber (61) is provided with and supplies return spring baffle (10) that worm (8) run through, the one end of second return spring (12) with return spring baffle (10) offset, the other end supports on nut (9).
4. Electric clutching device for an electronic lock cylinder according to claim 3, characterized in that the transmission motor (7) is a coreless motor.
5. Electric clutch device for an electronic lock cylinder according to any of claims 1 to 4, characterized in that an anti-drill pin (13) is provided in the outer shaft (4) at the rear end of the drive motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265961.3U CN209976211U (en) | 2019-03-01 | 2019-03-01 | Electric clutch device of electronic lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265961.3U CN209976211U (en) | 2019-03-01 | 2019-03-01 | Electric clutch device of electronic lock cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976211U true CN209976211U (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920265961.3U Withdrawn - After Issue CN209976211U (en) | 2019-03-01 | 2019-03-01 | Electric clutch device of electronic lock cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209976211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667484A (en) * | 2019-03-01 | 2019-04-23 | 中山市基信锁芯有限公司 | A kind of electric clutch device of electronic lock cylinder |
-
2019
- 2019-03-01 CN CN201920265961.3U patent/CN209976211U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667484A (en) * | 2019-03-01 | 2019-04-23 | 中山市基信锁芯有限公司 | A kind of electric clutch device of electronic lock cylinder |
| CN109667484B (en) * | 2019-03-01 | 2024-07-09 | 中山市基信锁芯有限公司 | Electric clutch device of electronic lock cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200121 Effective date of abandoning: 20240709 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200121 Effective date of abandoning: 20240709 |