CN107575091B - Door lock axial clutch - Google Patents
Door lock axial clutch Download PDFInfo
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- CN107575091B CN107575091B CN201710984258.3A CN201710984258A CN107575091B CN 107575091 B CN107575091 B CN 107575091B CN 201710984258 A CN201710984258 A CN 201710984258A CN 107575091 B CN107575091 B CN 107575091B
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- clutch
- power input
- door lock
- input mechanism
- output shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 235000014676 Phragmites communis Nutrition 0.000 description 9
- 230000014509 gene expression Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A door lock axial clutch comprising: a power input mechanism for receiving a torque force of an operator; the sliding piece is sleeved on the power input mechanism; a clutch coupling mounted to the slider; an output shaft for selectively engaging or disengaging the clutch coupling with the output shaft; and the motor drives the clutch coupling piece to move, so that the clutch coupling piece is combined with the output shaft in a first state, and the clutch coupling piece is separated from the output mechanism in a second state. When the door lock axial clutch is unlocked, the clutch moves axially, the power input mechanism can rotate at any angle, the limitation of an opening angle is avoided, and the door lock axial clutch is convenient to use.
Description
Technical Field
The invention relates to the technical field of electronic door lock clutches, in particular to an electronic door lock axial clutch.
Background
The door lock is an indispensable object in human life, and the clutch is an important component constituting the door lock. At present, with the development of electronic technology, various electronic door locks such as card swiping locks, coded locks, fingerprint locks and the like are widely applied, and the automatic safety management level is improved.
Most electronic door locks adopt radial clutches to assist in completing unlocking actions.
In implementing the conventional technique, the inventors found the following problems:
the radial clutch can only work within a certain angle, and if the clutch is realized within a range of 360 degrees, the use requirement is difficult to meet.
Disclosure of Invention
In view of this, it is necessary to provide a door lock axial clutch in order to address the problem of limiting the opening angle of the door lock clutch.
A door lock axial clutch comprising: a power input mechanism for receiving a torque force of an operator; the sliding piece is sleeved on the power input mechanism; a clutch coupling mounted to the slider; an output shaft for selectively engaging or disengaging the clutch coupling with the output shaft; and the motor drives the clutch coupling piece to move, so that the clutch coupling piece is combined with the output shaft in a first state, and the clutch coupling piece is separated from the output shaft in a second state.
According to the door lock axial clutch, when the door lock is unlocked, the clutch moves axially, the power input mechanism can rotate at any angle in the axial direction, the limitation of the opening angle is avoided, and the door lock axial clutch is convenient to use.
In one embodiment, the power input mechanism is coupled with an overload protection mechanism for reducing mechanical damage to the lock body when the lock is unlocked.
In one embodiment, the overload protection mechanism includes: the outer ring of the one-way clutch device is provided with a groove; the embedded part is embedded in the groove of the outer ring of the one-way clutch device; and the elastic piece with the notch is abutted against the embedded piece and internally tangent to the outer ring of the one-way clutch device.
In one embodiment, the number of the fitting pieces is at least one.
In one embodiment, when the torsional force of the power input mechanism is not enough to enable the embedded part to overcome the notch resistance of the elastic part, the embedded part is embedded in the notch of the elastic part; when the torsion force of the power input mechanism enables the embedded part to overcome the notch resistance of the elastic part, the embedded part is separated from the notch of the elastic part, and the power input mechanism idles to realize overload protection.
The overload protection mechanism can play a role in avoiding mechanical damage of the door lock clutch when the force for opening and closing the lock is too large.
In one embodiment, the sliding member is sleeved on the power input mechanism, the power input mechanism is provided with a rotating shaft, and the sliding member is sleeved outside the rotating shaft and used for moving along the axial direction of the power input mechanism.
In one embodiment, the clutch coupling is mounted to the slider, and the slider is provided with a groove in which the clutch coupling is embedded.
In one embodiment, the output shaft is coupled to a housing that is coupled to the sliding member for driving the output shaft to rotate.
In one embodiment, the motor is connected to a transmission mechanism for driving the movement of the clutch coupling.
In one embodiment, the transmission mechanism drives the clutch joint piece to move so as to enable a sliding piece matched with the clutch joint piece to be combined with or separated from the power input mechanism.
Drawings
FIG. 1 is a schematic view of an embodiment of a door lock according to the present invention showing a closed state of an axial clutch;
FIG. 2 is a schematic view of an embodiment of the invention with the door lock in an axially disengaged condition;
fig. 3 is a schematic diagram of an overload protection mechanism in one embodiment of the invention.
Wherein:
output square shaft 100
One-way clutch device 301
Clutch rotating shaft 400
Clutch spindle recess 401
Clutch pin 500
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following describes the door lock axial clutch in further detail through embodiments and with reference to the accompanying drawings.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terminology used herein in the description of the door lock axial clutch is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, in one embodiment, the door lock axial clutch of the present invention comprises: a power input mechanism 600 for receiving a torque force of an operator; a slider sleeved to the power input mechanism 600; the clutch connecting piece is arranged on the sliding piece; an output shaft for selectively engaging or disengaging the clutch coupling with the output shaft; and the motor drives the clutch coupling piece to move, so that the clutch coupling piece is combined with the output shaft in the first state, and the clutch coupling piece is separated from the output shaft in the second state.
Alternatively, the form of the clutch coupling is not exclusive, as long as the requirements of use are met.
Specifically, the clutch coupling includes a clutch pin 500, a clutch stud, or other structure.
Alternatively, the expression structure of the slider is not exclusive as long as the use requirement can be satisfied.
Specifically, the slider includes a clutch shaft 400, a hollow shaft, or other structure.
Alternatively, the expression form structure of the output shaft is not exclusive as long as the use requirement can be satisfied.
Specifically, the output shaft includes an output square shaft 100, an output shaft with a shaft in the shape of a regular pentagon, or other structures.
More specifically, the door lock axial clutch comprises: a power input mechanism 600 for receiving a torque force of an operator; a clutch shaft 400 sleeved to the power input mechanism 600; a clutch pin 500 installed at the clutch rotation shaft 400; an output square shaft 100 for selectively engaging or disengaging the clutch pin 500 with the output square shaft 100; and a motor for driving the clutch pin 500 to move so that the clutch pin 500 is coupled to the output side shaft 100 in a first state and the clutch pin 500 is separated from the output side shaft 100 in a second state.
In one embodiment, the power input mechanism 600 is coupled to the overload protection mechanism 300, and the overload protection mechanism 300 is used to reduce mechanical damage to the lock body when the lock is unlocked.
Specifically, a groove is formed at the bottom end of the overload protection mechanism 300, so that the top end of the power input mechanism 600 is embedded into the groove to meet the connection requirement.
Referring to fig. 3, in one embodiment, the overload protection mechanism 300 includes a one-way clutch device 301, the one-way clutch device 301 having a groove formed on an outer circumference thereof; the embedded piece is embedded in a groove of the outer ring of the one-way clutch device 301; the elastic member with the notch 304 abuts against the fitting member and is internally tangent to the outer ring of the one-way clutch device 301.
Alternatively, the fitting may have various expression structures as long as the requirements can be satisfied.
Specifically, the engaging member inserted into the outer ring groove of the one-way clutch device 301 includes a steel ball 302, a roller, or other forms.
More specifically, the fitting member that fits into the groove of the outer ring of the one-way clutch device 301 is represented by a steel ball 302.
Alternatively, the elastic member may have various expressions as long as the requirement of elasticity is satisfied.
Specifically, the elastic member with the notch 304, which abuts against the fitting member and is internally tangent to the outer ring of the one-way clutch device 301, includes an overload reed 303, an overload film, or other forms.
More specifically, the elastic member with the notch 304 abutting against the fitting member and internally cutting into the outer ring of the one-way clutch device 301 is represented by an overload reed 303.
In one embodiment, the number of the fitting members is at least one.
Specifically, the number of the embedded pieces is three, the embedded pieces are uniformly distributed on the outer ring of the one-way clutch device 301, and a groove is formed in the outer ring of every 120 degrees and matched with the embedded pieces.
In one embodiment, when the torque of the power input mechanism 600 is not enough to make the fitting overcome the resistance of the notch 304 of the elastic member, the fitting is embedded in the notch 304 of the elastic member; when the torsion force of the power input mechanism 600 causes the embedded part to overcome the resistance of the notch 304 of the elastic part, the embedded part is separated from the notch 304 of the elastic part, and the power input mechanism 600 idles, thereby realizing overload protection.
Specifically, when the torque force of the power input mechanism 600 is not enough to make the steel ball 302 overcome the resistance of the notch 304 of the overload spring 303, the steel ball 302 is embedded at the notch 304 of the overload spring 303; when the torsion force of the power input mechanism 600 enables the steel ball 302 to overcome the resistance of the notch 304 of the overload reed 303, the steel ball 302 is separated from the notch 304 of the overload reed 303, and the power input mechanism 600 idles to realize overload protection.
In one embodiment, the sliding member is sleeved on the power input mechanism 600, and the power input mechanism 600 is provided with a rotating shaft, and the sliding member is sleeved outside the rotating shaft and is used for moving along the axial direction of the power input mechanism 600.
Specifically, the clutch rotating shaft 400 is sleeved on the power input mechanism 600, the power input mechanism 600 is provided with a rotating shaft, and the clutch rotating shaft 400 is sleeved outside the rotating shaft and is used for moving along the axial direction of the power input mechanism 600.
In one embodiment, the clutch coupling is mounted to a slider, which is provided with a groove in which the clutch coupling is embedded.
Specifically, the clutch pin 500 is mounted on the clutch rotating shaft 400, a groove 401 is formed on the clutch rotating shaft 400, and the clutch pin 500 is embedded in the groove 401.
In one embodiment, the output shaft is coupled to a housing 200, and the housing 200 is coupled to a sliding member for driving the output shaft to rotate.
Specifically, the output square shaft 100 is coupled to the housing 200, the output square shaft 100 is embedded in the center of the upper surface of the housing 200, and the housing 200 is coupled to the clutch rotation shaft 400 to drive the output square shaft 100 to rotate.
In one embodiment, the motor is connected to a transmission mechanism for driving the movement of the clutch coupling.
Specifically, the motor is connected to a transmission mechanism for driving the movement of the clutch pin 500.
In one embodiment, the transmission mechanism drives the clutch coupling to move so that the slider coupled to the clutch coupling is engaged with or disengaged from the power input mechanism 600.
Specifically, the transmission mechanism drives the clutch pin 500 to move, so that the clutch rotation shaft 400 of the clutch pin 500 coupled with the clutch pin 500 is coupled with or decoupled from the power input mechanism 600.
As shown in fig. 1, in a specific embodiment, in a closed state, when the power input mechanism 600 receives a torque force input by an operator, the motor stores energy, the clutch pin 500 is driven by the transmission mechanism to move axially close to the power input mechanism 600, and the clutch rotating shaft 400 moves along with the movement direction of the clutch pin 500 until contacting with the power input mechanism 600, at this time, the power input mechanism 600 rotates to drive the clutch rotating shaft 400 to rotate, and as the clutch rotating shaft 400 rotates, the housing 200 rotates to drive the output square shaft 100 to rotate, thereby completing an unlocking action.
In a specific embodiment, as shown in fig. 2, in the disengaged state, the motor rotates reversely, the transmission mechanism drives the movable clutch pin 500 to move away from the power input mechanism 600 in the axial direction, and the clutch rotating shaft 400 moves along with the movement direction of the clutch pin 500, so that the clutch rotating shaft 400 is disengaged from the power input mechanism 600, and the power input mechanism 600 cannot transmit power to the clutch rotating shaft 400, and is in an idle state.
In a specific embodiment, as shown in fig. 3, in the overload protection mechanism 300, three grooves are formed in the outer ring of the one-way clutch device 301, and accordingly, one steel ball 302 is embedded in each groove, and a total of three steel balls 302 are formed. When the torsional force of the power input mechanism 600 is not enough to enable the steel ball 302 to overcome the resistance of the notch 304 of the overload reed 303, the steel ball 302 is embedded in the notch 304 of the overload reed 303; when the torsion force of the power input mechanism 600 enables the steel ball 302 to overcome the resistance of the notch 304 of the overload reed 303, the steel ball 302 is separated from the notch 304 of the overload reed 303, and the power input mechanism 600 idles to realize overload protection.
In addition, the overload protection mechanism 300 according to the door lock clutch of the present invention is provided with the one-way clutch device 301, and when the torque input from the power input mechanism 600 is a rotational direction for urging the door lock to open, the overload protection is realized as described in the above embodiment. However, when the torque input from the power input mechanism 600 is in the opposite rotational direction, the torque is not transmitted, i.e., the torque is generally applied by the one-way clutch device 301, and damage to the door lock clutch is reduced, thereby achieving the overload protection function.
When the door lock axial clutch is unlocked, the clutch moves axially, the power input mechanism can rotate at any axial angle, and the door lock axial clutch is not limited by an opening angle and is convenient to use. When the lock is opened and closed, if the force is too large, the overload protection mechanism can play a role in avoiding mechanical damage of the door lock clutch.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A door lock axial clutch, comprising:
a power input mechanism for receiving a torque force of an operator;
the sliding piece is sleeved on the power input mechanism;
the clutch connecting piece is arranged on the sliding piece, a groove is formed in the sliding piece, the clutch connecting piece is embedded into the groove, and the clutch connecting piece is a clutch pin;
an output shaft for selectively engaging or disengaging the clutch coupling with the output shaft;
and the motor drives the clutch coupling piece to move, so that the clutch coupling piece is combined with the output shaft in a first state, and the clutch coupling piece is separated from the output shaft in a second state.
2. The door lock axial clutch according to claim 1, wherein said power input mechanism is coupled to an overload protection mechanism for reducing mechanical damage to the lock body when the lock is unlocked.
3. The door lock axial clutch according to claim 2, wherein the overload protection mechanism includes:
the outer ring of the one-way clutch device is provided with a groove;
the embedded part is embedded in the groove of the outer ring of the one-way clutch device;
and the elastic piece with the notch is abutted against the embedded piece and internally tangent to the outer ring of the one-way clutch device.
4. The door lock axial clutch according to claim 3, wherein the number of the engaging pieces is at least one.
5. The door lock axial clutch according to claim 3, wherein the fitting member is fitted in the notch of the elastic member when the torsion force of the power input mechanism is insufficient to cause the fitting member to overcome the notch resistance of the elastic member; when the torsion force of the power input mechanism enables the embedded part to overcome the notch resistance of the elastic part, the embedded part is separated from the notch of the elastic part, and the power input mechanism idles to realize overload protection.
6. The door lock axial clutch according to claim 1, wherein the sliding member is sleeved on the power input mechanism, the power input mechanism is provided with a rotating shaft, and the sliding member is sleeved outside the rotating shaft and is used for moving axially along the power input mechanism.
7. The door lock axial clutch according to claim 1, wherein the output shaft comprises an output square shaft, an output shaft with a shaft in the shape of a regular pentagon, or other structures.
8. The door lock axial clutch according to claim 1, wherein said output shaft is coupled to a housing which is coupled to said slider for driving said output shaft in rotation.
9. The door lock axial clutch according to claim 1, wherein the motor is connected to a transmission mechanism for driving movement of the clutch coupling.
10. The door lock axial clutch according to claim 9, wherein the transmission mechanism drives the clutch coupling to move so as to engage or disengage a slider coupled to the clutch coupling with the power input mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984258.3A CN107575091B (en) | 2017-10-20 | 2017-10-20 | Door lock axial clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984258.3A CN107575091B (en) | 2017-10-20 | 2017-10-20 | Door lock axial clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107575091A CN107575091A (en) | 2018-01-12 |
| CN107575091B true CN107575091B (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984258.3A Active CN107575091B (en) | 2017-10-20 | 2017-10-20 | Door lock axial clutch |
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| Country | Link |
|---|---|
| CN (1) | CN107575091B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483389A (en) * | 2018-12-30 | 2019-03-19 | 苏州富强科技有限公司 | A kind of disengaging type 3D bend glass polishing machine |
| CN115320990A (en) * | 2022-08-29 | 2022-11-11 | 信义汽车玻璃(深圳)有限公司 | Supporting mechanism and glass packing box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441930Y (en) * | 2000-09-05 | 2001-08-08 | 顺德市必达实业有限公司 | Motor type axial clutch for door lock |
| CN201265291Y (en) * | 2008-08-27 | 2009-07-01 | 乐祥龙 | Burglarproof lock |
| CN207453679U (en) * | 2017-10-20 | 2018-06-05 | 南京东屋电气有限公司 | door lock axial clutch |
-
2017
- 2017-10-20 CN CN201710984258.3A patent/CN107575091B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441930Y (en) * | 2000-09-05 | 2001-08-08 | 顺德市必达实业有限公司 | Motor type axial clutch for door lock |
| CN201265291Y (en) * | 2008-08-27 | 2009-07-01 | 乐祥龙 | Burglarproof lock |
| CN207453679U (en) * | 2017-10-20 | 2018-06-05 | 南京东屋电气有限公司 | door lock axial clutch |
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| Publication number | Publication date |
|---|---|
| CN107575091A (en) | 2018-01-12 |
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Address after: No. 27, Puzhou Road, Pukou District, Nanjing, Jiangsu Province, 211800 Applicant after: Dongwu Shian IOT Technology (Jiangsu) Co.,Ltd. Address before: No. 27, Puzhou Road, Pukou District, Nanjing, Jiangsu Province, 211800 Applicant before: NANJING EASTHOUSE ELECTRICAL Co.,Ltd. |
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