CN210013568U - Lock handle with built-in unlocking mechanism - Google Patents
Lock handle with built-in unlocking mechanism Download PDFInfo
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- CN210013568U CN210013568U CN201920404507.1U CN201920404507U CN210013568U CN 210013568 U CN210013568 U CN 210013568U CN 201920404507 U CN201920404507 U CN 201920404507U CN 210013568 U CN210013568 U CN 210013568U
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Abstract
The utility model discloses a lock handle of built-in unlocking mechanism, including the cavity handle and the handle panel of end connection lock body, its characterized in that, cavity handle inner chamber is started to install lock core, first wedge driving medium, second wedge driving medium, return spring, bolt, transmission shaft in proper order from the tip of non-connection lock body. The utility model discloses an place the lock handle in the canceling release mechanical system, avoid placing all parts in lock panel in and lead to the structure complicated, and canceling release mechanical system arranges the lock handle in, need not whole changes when breaking down, makes the utility model discloses during the upgrading electronic lock, also change the lock handle can.
Description
Technical Field
The utility model relates to a lock structure especially relates to the lock handle of lock.
Background
The existing door lock has the disadvantages that an unlocking mechanism is mostly arranged in a panel, parts are fine and complex, the production cost is relatively high, and the whole door lock needs to be replaced when the door lock fails.
The intelligence electronic lock has still appeared on the market now, like the electronic lock with the fingerprint unblock, no matter be intelligent lock or traditional mechanical lock, the unlocking mechanism is mostly the same, all through external force, acts on unlocking mechanism, realizes unblanking, however, current product is mostly a whole set of replacement installation for when upgrading into the intelligent lock from mechanical lock, also there is the higher problem of overall cost. Under the condition that the intelligent electronic lock is not powered on, the mechanical unlocking process is complicated and is not simple and convenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a lock handle of built-in unlocking mechanism, convenient change.
In order to solve the technical problem, the utility model provides a lock handle of built-in unlocking mechanism, including the cavity handle and the handle panel of end connection lock body, cavity handle inner chamber is followed the tip of non-connection lock body and is installed lock core, first wedge driving medium, second wedge driving medium, return spring, bolt, transmission shaft in proper order, wherein
One end of the outer side of the lock cylinder is provided with a key hole, and the other end of the outer side of the lock cylinder is provided with a lock cylinder bulge;
one end of the first wedge-shaped transmission piece is provided with a groove matched with the protrusion of the lock cylinder, the core part at the other end is a cylindrical protrusion, the outer edge at the other end is provided with a first plane and a second plane, and the first plane and the second plane are connected through an inclined plane;
a cylindrical hole matched with the cylindrical protrusion is formed in the core part of one end of the second wedge-shaped transmission part, a third plane and a fourth plane are formed in the outer edge of one end of the second wedge-shaped transmission part, the third plane and the fourth plane are connected in an inclined plane mode, and a positioning protrusion is arranged on the outer side face of the second wedge-shaped transmission part;
one end of the return spring is blocked by a fixed spring baffle inside the hollow handle, and the other end of the return spring is matched with the second wedge-shaped transmission piece to move through a movable spring baffle;
the transmission shaft is perpendicular to the second wedge-shaped transmission part, one end of the transmission shaft is connected with a lock tongue mechanism of the lock body, and the other end of the transmission shaft is provided with a pin slot;
the periphery of one end of the bolt close to the transmission shaft is sleeved with a bolt return spring, and the bolt return spring is blocked by a bolt baffle protruding from the middle of the bolt.
The bolt is inserted into the large hole end of the stepped hole of the bolt sheath together with the bolt return spring, and one end of the bolt, which is far away from the transmission shaft, penetrates out of the small hole end of the stepped hole of the bolt sheath.
Further, still including intelligent system of unblanking, intelligence system of unblanking includes the control unit, fingerprint sampler, motor and hollow slider, wherein
The control unit is electrically connected with and controls the fingerprint collector and the motor;
the motor is arranged between the movable spring baffle and the second wedge-shaped transmission part, a rotating shaft of the motor penetrates through the movable spring baffle, a spiral rotating spring is sleeved on the rotating shaft, and a spiral pin is further arranged on the rotating shaft and is positioned between threads of the spiral rotating spring;
the hollow sliding block is arranged between the movable spring baffle and the plug pin sheath, the rotating shaft of the motor and the spiral rotating spring extend into the sliding block, and two ends of a spring wire of the spiral rotating spring are fixed in the opening on one side of the sliding block.
Furthermore, the movable spring baffle and the motor are of an integral structure and are formed at the end part of the motor close to the hollow sliding block.
Further, the intelligent unlocking system comprises a control unit, a fingerprint collector, a motor and a hollow sliding block, wherein the control unit is electrically connected with and controls the fingerprint collector and the motor, the motor is installed between the movable spring baffle and the second wedge-shaped transmission part, the hollow sliding block is installed between the movable spring baffle and the bolt sheath, a rotating shaft of the motor is a lead screw, and an internal thread matched with the lead screw is arranged inside the hollow sliding block or a lead screw nut is fixedly installed inside the hollow sliding block.
Furthermore, the control unit is electrically connected with and controls the password disk.
Furthermore, the inner cavity of the hollow handle is also provided with a fixing frame for fixing the assembly.
Further, a PCB main board is installed between the handle panel and the fixing frame.
Further, the bolt sheath is a copper bolt sheath.
Further, the handle panel is detachably mounted on the hollow handle, and the fingerprint collector is mounted on the handle panel.
The utility model discloses an place the lock handle in the canceling release mechanical system, avoid placing all parts in lock panel in and lead to the structure complicacy, and canceling release mechanical system arranges the lock handle in, need not whole changes when breaking down, makes this whole clear upgrading electronic lock time, also change the lock handle can.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is an exploded view of another embodiment of the present invention.
FIG. 3 is a schematic view of the structural cooperation of two wedge-shaped transmission members according to the present invention.
Fig. 4 is a schematic view of the structure of the motor and the hollow slider according to the present invention.
Fig. 5 is a schematic view of the plug structure of the present invention.
Fig. 6 is an assembly schematic diagram after the present invention is mechanically unlocked.
Fig. 7 is an assembly schematic diagram after the electric fingerprint unlocking of the present invention.
In the figure: 10, a hollow handle; 101, a handle panel; 11, a lock cylinder; 111, a plug boss; 12, a first wedge drive; 121, a groove; 122, a cylindrical protrusion; 123, a first plane; 124, a bevel; 13, a second wedge drive; 131, a cylindrical bore; 132, a fourth plane; 133, a third plane; 134, a bevel; 135, positioning the protrusion; 14, a return spring; 15, a bolt; 151, a latch return spring; 152, a latch stop; 16, a transmission shaft; 161, a latch slot; 17, a movable spring baffle; 18, a plug pin sheath; 19, a fingerprint collector; 20, a motor; 201, a rotating shaft; 202, a helical coil spring; 203, a screw pin; 21, a hollow slider; 211, opening a hole; 22, a fixing frame; 23, a PLC mainboard; 24, a driveshaft housing; 241, a drive shaft housing cover.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, 3 and 5, the utility model relates to a lock handle of built-in unlocking mechanism, including the cavity handle 10 and the handle panel 101 of end connection lock body, the handle panel is used for sealing the cavity handle, installs lock core 11, first wedge driving medium 12, second wedge driving medium 13, return spring 14, bolt 15, transmission shaft 16 in proper order at cavity handle inner chamber from the tip of non-connection lock body. Wherein, one end of the outer side of the lock core 11 is provided with a key hole, the other end is provided with a lock core bulge 111, and the lock core bulge is used for controlling the linkage of a first wedge-shaped transmission piece 12 connected with the lock core. Referring to fig. 3, the first wedge driver 12 has a recess 121 formed at one end thereof for engaging with a protrusion of the lock cylinder, a cylindrical protrusion 122 formed at the core of the other end thereof, and a first plane 123 and a second plane (not shown) formed at the outer edge of the other end thereof, the first plane and the second plane being connected by a slope 124; the second wedge-shaped transmission member 13 has a cylindrical hole 131 formed in the core thereof for receiving the cylindrical protrusion, a third flat surface 133 and a fourth flat surface 132 formed on the outer periphery of the one end thereof, the third flat surface and the fourth flat surface being connected by an inclined surface 134, and a positioning protrusion 135 formed on the outer side surface of the second wedge-shaped transmission member. The cylindrical aperture 131 is adapted to receive the cylindrical protrusion 122 of the first wedge driver to allow relative movement of the two wedge drivers with respect to each other. The positioning protrusions 135 on the outer side of the second wedge driver are mounted in the corresponding housing groove in the inner cavity of the handle, so that the second wedge driver is always horizontal. A stop member (not shown) engageable with the interior of the handle to prevent rotation of the second wedge drive element, and preferably two locating projections are provided horizontally to engage the stop member with the interior of the handle. Alternatively, the core of the other end of the second wedge driver 13 may be a cylindrical protrusion, the length of which is made as required, or may be free of such a protrusion.
In the locking state, the first plane and the third plane, the second plane and the fourth plane and the inclined plane of the two wedge-shaped transmission pieces are in contact with each other. When unblanking, use the key to rotate the lock core, the protruding first wedge driving medium that drives of lock core rotates jointly, the location arch of second wedge driving medium is blockked by handle inner chamber casing recess, make second wedge driving medium can not rotate, the emergence relative motion of two wedge driving mediums, under the effect of power, the direction removal of first wedge driving medium toward keeping away from of second wedge driving medium, the first plane 123 and the contact of fourth plane 132 of final two wedge driving mediums, inclined plane cooperation structure based on two wedge driving mediums, the direction of keeping away from the lock core and being close to the transmission shaft is pushed to by the level to the second wedge driving medium.
Continuing to refer to fig. 1, the utility model discloses a transmission shaft 16 is perpendicular to second wedge driving medium 13 and installs, and the spring bolt mechanism of lock body is connected to the one end of transmission shaft, and the other end is opened has bolt groove 161 or bolt hole (acts with the bolt groove). The periphery of one end of the plug pin 15 close to the transmission shaft is sleeved with a plug pin return spring 151, and the plug pin return spring 151 is blocked by a plug pin baffle 152 protruding from the middle of the plug pin.
When the second wedge driver 13 is pushed toward the driving shaft 16, the second wedge driver pushes the plug pin 15 directly or indirectly through other components to be inserted into the plug pin slot 161 of the driving shaft, and when the plug pin is inserted into the plug pin slot, the plug pin return spring 151 at the periphery of the plug pin is compressed due to the blocking of the outer wall of the driving shaft or other components. At the moment, the lock handle is rotated, the bolt drives the transmission shaft to rotate, and the transmission shaft drives the lock tongue to realize unlocking.
When the lock is locked, the lock core 11 is rotated in the opposite direction, so that the first wedge-shaped transmission piece 12 returns to the initial position, and the second wedge-shaped transmission piece 13 can horizontally return to the initial position under the action of the elastic component. In the preferred embodiment, the resilient member is a return spring 14, one end of which is stopped by a fixed spring stop (not shown) inside the hollow handle, and the other end of which is moved in cooperation with the second wedge actuator 13 via a movable spring stop 17. When the lock is unlocked, the second wedge-shaped transmission pieces horizontally move, the return springs are compressed to store force, and when the lock is locked, the return springs push the second wedge-shaped transmission pieces to move towards the lock cylinder direction, so that the first plane and the third plane of the two wedge-shaped transmission pieces, and the second plane and the fourth plane are in contact. When the pushing of the second wedge-shaped transmission element is lost, the bolt return spring 151 also acts on the bolt 15 to make the bolt exit the bolt slot 161, the transmission shaft cannot act on the latch mechanism, and the latch mechanism automatically returns to the locking state. It should be noted that, the utility model discloses a movable spring baffle is not the indispensable subassembly, and return spring also does the direct action in the protruding second wedge driving medium motion that promotes of location of second wedge driving medium.
It should be pointed out, bolt 15 does the utility model discloses a key subassembly of atress need bear when the lock handle rotates and turn to pressure, for better protection bolt, the utility model discloses still can be including bolt sheath 18, bolt sheath core is opened there is the shoulder hole, and the bolt inserts from the macropore end of bolt sheath shoulder hole together with bolt return spring, and the one end of keeping away from the transmission shaft of bolt is worn out from the micropore end of bolt sheath shoulder hole. Preferably, the pin sheath is a copper pin sheath.
As a further implementation mode, the utility model discloses still can include intelligent unlocking system, if the fingerprint unblank, intelligent unlocking system includes the control unit, fingerprint sampler 19, motor 20 and hollow slider 21 this moment. Referring to fig. 2, 4 and 5, wherein control unit electric connection controls fingerprint sampler and motor, and fingerprint sampler 19 receives and unlocks and sends for control unit after fingerprint information, and control unit confirms that this fingerprint is after prestoring authorizer's fingerprint, and control motor 20 rotates promptly and unlocks.
In one embodiment of the motor rotation unlocking, the motor 20 is installed between the movable spring baffle 17 and the second wedge-shaped transmission piece 13, a rotating shaft 201 of the motor penetrates through the movable spring baffle 17, a spiral rotating spring 202 is sleeved on the rotating shaft 201, and a spiral pin 203 is further arranged on the rotating shaft and positioned between threads of the spiral rotating spring; the hollow slide block 21 is installed between the movable spring baffle 17 and the plug pin sheath 18, the rotating shaft 201 of the motor and the spiral rotating spring 202 extend into the slide block, and two ends of the spring wire of the spiral rotating spring are fixed in the open hole 211 at one side of the slide block. When the motor rotates, the spiral pin 203 arranged on the rotating shaft 201 also rotates along with the rotating shaft, the spiral pin runs between threads of the spiral rotating spring 202, the spiral rotating spring 202 and the hollow sliding block 21 connected with the spiral rotating spring are driven to move towards the direction of the transmission shaft 16, the bolt 15 is pushed to be inserted into the bolt groove 161 of the transmission shaft, then the lock can be unlocked by rotating the lock handle, and the motor rotates reversely when the lock is locked.
In another embodiment of the motor rotation unlocking, the motor 20 is installed between the movable spring baffle 17 and the second wedge-shaped transmission part 13, the hollow sliding block 21 is installed between the movable spring baffle 17 and the plug pin sheath 18, the rotating shaft of the motor is a lead screw, and the inside of the hollow sliding block is provided with an internal thread matched with the lead screw or is fixedly provided with a lead screw nut. When the motor rotates, based on the screw rod side effect, the rotating shaft of the motor drives the hollow slide block to move towards the transmission shaft, and the technical effect same as that of the embodiment can be achieved.
In a preferred embodiment, the movable spring baffle 17 of the present invention is integrally formed with the motor 20 at the end of the motor near the hollow slider, as shown in fig. 4. The aforesaid is better explanation the utility model discloses, explain its intelligence system of unblanking to fingerprint system, nevertheless should point out, use other matching modes such as password dish, rotate through control system control motor, all belong to the utility model discloses a protection scope, and password dish non-must install in the handle, the utility model discloses mainly disclose the motor control structure of unblanking after the matching, intelligence matching mode is the ripe technique in this field, and here does not do too much explanation.
The utility model discloses still can include other further subassemblies, if the mount 22 of fixed subassembly is still installed to cavity handle inner chamber, the appearance and the size of each subassembly of mount cooperation are made, more are favorable to the subassembly to be fixed at the handle inner chamber, avoid the subassembly to break down because of rocking, shifting etc.. Furthermore, the utility model discloses a still can integrate the PCB (Printed Circuit Board) mainboard 23 of installation control system in the handle inner chamber between handle panel and the mount. It should be noted that to facilitate servicing of the components of the handle cavity, the handle panel 101 should be removably mounted to the hollow handle 10 and the fingerprint acquirer 19 should be mounted to the handle panel. As before, the utility model discloses a bolt 15 does with transmission shaft 16's cooperation department the utility model discloses a main atress department, for better protection that provides, it has transmission shaft shell 24 still to cover in the transmission groove 161 one end of transmission shaft, transmission shaft shell in the position of bolt groove is opened has the bolt hole to supply the bolt to insert, and when inserting, bolt return spring should be blockked outside transmission shaft shell, more preferably, transmission shaft shell still detachable takes shape has transmission shaft shell lid 241.
After the motor 20 and the hollow sliding block 21 are added, the principle of the mechanical unlocking realization process is the same as that of the prior art, and only when the mechanical unlocking is carried out, the second wedge-shaped transmission part 13 indirectly pushes the bolt through the motor 20 and the hollow sliding block 21 instead of directly pushing the bolt 15; when locked, the return spring also acts indirectly on the second wedge drive via the motor 20. The utility model discloses a machinery unlocking part equipment schematic diagram is seen in figure 6, and fingerprint intelligence unlocking part equipment schematic diagram is seen in figure 7.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 implicitly indicating 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 limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The lock handle with the built-in unlocking mechanism comprises a hollow handle and a handle panel, wherein the end part of the hollow handle is connected with a lock body, and is characterized in that a lock cylinder, a first wedge-shaped transmission part, a second wedge-shaped transmission part, a return spring, a bolt and a transmission shaft are sequentially arranged in the inner cavity of the hollow handle from the end part of a non-connected lock body, wherein the lock cylinder, the first wedge-shaped transmission part, the second wedge-shaped transmission
One end of the outer side of the lock cylinder is provided with a key hole, and the other end of the outer side of the lock cylinder is provided with a lock cylinder bulge;
one end of the first wedge-shaped transmission piece is provided with a groove matched with the protrusion of the lock cylinder, the core part at the other end is a cylindrical protrusion, the outer edge at the other end is provided with a first plane and a second plane, and the first plane and the second plane are connected through an inclined plane;
a cylindrical hole matched with the cylindrical protrusion is formed in the core part of one end of the second wedge-shaped transmission part, a third plane and a fourth plane are formed in the outer edge of one end of the second wedge-shaped transmission part, the third plane and the fourth plane are connected in an inclined plane mode, and a positioning protrusion is arranged on the outer side face of the second wedge-shaped transmission part;
one end of the return spring is blocked by a fixed spring baffle inside the hollow handle, and the other end of the return spring is matched with the second wedge-shaped transmission piece to move through a movable spring baffle;
the transmission shaft is perpendicular to the second wedge-shaped transmission part, one end of the transmission shaft is connected with a lock tongue mechanism of the lock body, and the other end of the transmission shaft is provided with a pin slot;
the periphery of one end of the bolt close to the transmission shaft is sleeved with a bolt return spring, and the bolt return spring is blocked by a bolt baffle protruding from the middle of the bolt.
2. The lock handle with built-in unlocking mechanism of claim 1, further comprising a plug pin sheath, wherein the core of the plug pin sheath is provided with a stepped hole, the plug pin and the plug pin return spring are inserted from the large hole end of the stepped hole of the plug pin sheath, and the end of the plug pin far away from the transmission shaft is penetrated from the small hole end of the stepped hole of the plug pin sheath.
3. The lock handle with the built-in unlocking mechanism of claim 2, further comprising an intelligent unlocking system, wherein the intelligent unlocking system comprises a control unit, a fingerprint collector, a motor and a hollow slider, and wherein the intelligent unlocking system comprises a control unit, a fingerprint collector, a motor and a hollow slider
The control unit is electrically connected with and controls the fingerprint collector and the motor;
the motor is arranged between the movable spring baffle and the second wedge-shaped transmission part, a rotating shaft of the motor penetrates through the movable spring baffle, a spiral rotating spring is sleeved on the rotating shaft, and a spiral pin is further arranged on the rotating shaft and is positioned between threads of the spiral rotating spring;
the hollow sliding block is arranged between the movable spring baffle and the plug pin sheath, the rotating shaft of the motor and the spiral rotating spring extend into the sliding block, and two ends of a spring wire of the spiral rotating spring are fixed in the opening on one side of the sliding block.
4. The lock handle with built-in unlocking mechanism as claimed in claim 3, wherein said movable spring stop is formed integrally with the motor at an end of the motor adjacent to the hollow slider.
5. The lock handle with the built-in unlocking mechanism according to claim 2, further comprising an intelligent unlocking system, wherein the intelligent unlocking system comprises a control unit, a fingerprint collector, a motor and a hollow sliding block, the control unit is electrically connected with and controls the fingerprint collector and the motor, the motor is installed between the movable spring baffle and the second wedge-shaped transmission part, the hollow sliding block is installed between the movable spring baffle and the bolt sheath, a rotating shaft of the motor is a lead screw, and an internal thread matched with the lead screw is arranged inside the hollow sliding block or a lead screw nut is fixedly installed inside the hollow sliding block.
6. The handle of any one of claims 3 to 5, wherein the control unit is electrically connected to a control code disk.
7. The lock handle with built-in unlocking mechanism of any claim 1 to 5, wherein the hollow handle inner cavity is further installed with a fixing frame for fixing the assembly.
8. The lock handle with built-in unlocking mechanism as claimed in claim 7, wherein a PCB main board is installed between the handle panel and the fixing frame.
9. The lock handle of an internal unlocking mechanism according to any one of claims 2 to 5, wherein the plug pin sheath is a copper plug pin sheath.
10. The lock handle with the built-in unlocking mechanism according to any one of claims 3 to 5, wherein the handle panel is detachably mounted to the hollow handle, and the fingerprint acquirer is mounted to the handle panel.
Priority Applications (1)
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CN201920404507.1U CN210013568U (en) | 2019-03-28 | 2019-03-28 | Lock handle with built-in unlocking mechanism |
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CN201920404507.1U CN210013568U (en) | 2019-03-28 | 2019-03-28 | Lock handle with built-in unlocking mechanism |
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CN210013568U true CN210013568U (en) | 2020-02-04 |
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CN201920404507.1U Active CN210013568U (en) | 2019-03-28 | 2019-03-28 | Lock handle with built-in unlocking mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109812131A (en) * | 2019-03-28 | 2019-05-28 | 谢双有 | The lock handle of built-in unlocking mechanism |
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2019
- 2019-03-28 CN CN201920404507.1U patent/CN210013568U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109812131A (en) * | 2019-03-28 | 2019-05-28 | 谢双有 | The lock handle of built-in unlocking mechanism |
CN109812131B (en) * | 2019-03-28 | 2023-11-28 | 中山市海诗蔓智能科技有限公司 | Lock handle with built-in unlocking mechanism |
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