CN212716198U - Transmission mechanism of push-pull electronic door lock - Google Patents
Transmission mechanism of push-pull electronic door lock Download PDFInfo
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- CN212716198U CN212716198U CN201921912672.4U CN201921912672U CN212716198U CN 212716198 U CN212716198 U CN 212716198U CN 201921912672 U CN201921912672 U CN 201921912672U CN 212716198 U CN212716198 U CN 212716198U
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Abstract
The application discloses drive mechanism of plug-type electronic lock for the switching of control lock body, including casing, handle, pendulum piece, axis of rotation, transfer line, stopper, first rack, second rack, gear assembly, square bar, first connecting piece, second connecting piece and elastic component. This utility model discloses can realize "left side and draw", "left side pushes away", "right side is drawn", "right side pushes away" four kinds of different modes of opening the door, simple structure, the function is reliable, simultaneously, can avoid the people for opening the push-and-pull lock from the outside of door, plays the theftproof effect.
Description
Technical Field
The application relates to the technical field of door locks, in particular to a transmission mechanism of a push-pull lock.
Background
The door lock is composed of a handle, a panel and a lock body, wherein the panel is provided with a square shaft, one end of the square shaft is connected with the handle, the lock body is connected with the other end of the square shaft, and the rotation of the square shaft can be realized through the rotation of the handle, so that the lock body is opened and closed. The handle is difficult to rotate, and the rotating angle of the handle needs to be large enough to easily scratch and rub the door and window frame. In order to overcome the above-mentioned defects, it is necessary to design a driving mechanism of a push-pull electronic door lock
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drive mechanism of plug-type electronic lock to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a transmission mechanism of a push-pull electronic door lock is used for controlling the opening and closing of a lock body and comprises a shell, wherein an accommodating cavity is formed in the shell, a limiting groove and a guide rail are arranged in the accommodating cavity, and a handle mounting hole is formed in the surface of the shell; the sealing plate covers the shell, and a first limiting hole, a second limiting hole and a third limiting hole are formed in the surface of the sealing plate;
the handle is fixedly arranged on the shell;
the swinging block is positioned in the accommodating cavity, penetrates through the handle mounting hole and is fixedly connected with the handle, and is provided with a shaft hole;
the rotating shaft is positioned in the accommodating cavity and fixedly arranged in the accommodating cavity after penetrating through the shaft hole;
the transmission rod is positioned in the accommodating cavity, is connected with the swinging block and drives the swinging block to make the transmission rod slide on the guide rail in a reciprocating manner through the handle;
the limiting block is positioned in the accommodating cavity, fixedly arranged on the transmission rod, at least part of the limiting block is positioned in a first limiting hole, the first limiting hole is provided with a first mounting position and a second mounting position corresponding to the pushing and pulling of the electronic door lock, and the limiting block is detachably arranged at the first mounting position or the second mounting position and limits the reciprocating stroke of the transmission rod;
the first rack is positioned in the accommodating cavity and connected with the transmission rod, and the transmission rod drives the rack to reciprocate;
the second rack is positioned in the accommodating cavity and connected with the transmission rod, and the transmission rod drives the rack to reciprocate;
the gear assembly is positioned in the accommodating cavity and meshed with the first rack and the second rack, the first rack and the second rack are symmetrically arranged on two sides of the gear assembly, and square rod holes are formed in the surface of the gear assembly;
the square rod is arranged in the square rod hole of the gear assembly, penetrates through the sealing plate and is used for driving the lock body to open and close;
the first connecting piece is positioned in the accommodating cavity, at least part of the limiting block is positioned in the second limiting hole or the third limiting hole, the first connecting piece can slide in the second limiting hole or the third limiting hole relatively, when the first connecting piece is connected with the first rack and the transmission rod, the first connecting piece is correspondingly installed in the second limiting hole, and when the first connecting piece is connected with the second rack and the transmission rod, the first connecting piece is correspondingly installed in the third limiting hole;
the second connecting piece is used for connecting the limiting block and the transmission rod;
and the elastic piece is positioned in the accommodating cavity, is arranged on one side in the accommodating cavity of the shell and can provide elastic retaining force for the swinging block to rotate towards one direction all the time.
Preferably, a mounting pillar is arranged in the accommodating cavity and used for fixing the rotating shaft.
Preferably, the swing block protrudes upwards to form a first protrusion, the surface of the transmission rod is provided with a clamping hole, and the first protrusion is clamped with the clamping hole.
Preferably, the transmission rod is provided with a first threaded hole and a second threaded hole, the first connecting piece is a screw, the first rack is connected with the transmission rod through the screw and the first threaded hole, and the second rack is connected with the transmission rod through the screw and the first threaded hole.
Preferably, the accommodating cavity is internally provided with a second protrusion, the middle end of the transmission rod is provided with a long-strip-shaped limiting through hole, at least part of the second protrusion is located in the long-strip-shaped limiting through hole, and the second protrusion can slide relative to the long-strip-shaped limiting through hole.
Preferably, the fixing block is further included, and the first protrusion penetrates through the elongated limiting through hole to be connected with the fixing block.
Preferably, the anti-theft clamping device further comprises an anti-theft clamping block, wherein the anti-theft clamping block is slidably arranged in the accommodating cavity and matched with clamping grooves formed in the surfaces of the first rack and the second rack.
Preferably, the surface of the transmission rod is provided with a second threaded hole and a third threaded hole, and the second threaded hole and the third threaded hole correspond to the first mounting position and the second mounting position respectively.
Furthermore, the second connecting piece is a screw, and the limiting block is connected with the transmission rod through a screw and a second threaded hole or a third threaded hole.
A third mounting position and a fourth mounting position are arranged in the second limiting hole and respectively correspond to left pushing and left pulling of the push-pull electronic door lock, and the first connecting piece is detachably mounted at the third mounting position or the fourth mounting position; and a fifth mounting position and a sixth mounting position are arranged in the third limiting hole and respectively correspond to the right push and the right pull of the push-pull electronic door lock, and the first connecting piece is detachably mounted at the fifth mounting position or the sixth mounting position.
As a further improvement, the transmission rod can drive the gear assembly to rotate forward and backward to realize the unlocking action.
When installed, the door lock can be selectively adjusted according to any one of "left" (where "left" and "right" hereinafter refer to left and right sides of the transmission rod along the front direction of the push-pull lock when the push-pull lock is installed on the door), and "left pull", "right push", and "right pull", respectively.
When the unlocking mode of 'left pulling' is needed, an installer installs the first connecting piece at the fourth installation position and connects the first rack with the transmission rod; the second connecting piece is arranged at a second mounting position and connects the limiting block with the transmission rod; at the moment, the transmission rod can drive the first rack, the first rack transmits power to the gear assembly, and the gear assembly drives the square rod to realize left-pull unlocking.
When the unlocking mode of left pushing is needed, an installer installs the first connecting piece at the third installation position and connects the first rack with the transmission rod; the second connecting piece is arranged at the first installation position and connects the limiting block with the transmission rod; at the moment, the transmission rod can drive the first rack, the first rack transmits power to the gear assembly, and the gear assembly drives the square rod to push the lock open to the left
When the unlocking mode of right pushing is needed, an installer installs the first connecting piece at the fifth installation position and connects the second rack with the transmission rod; the second connecting piece is arranged at the first installation position and connects the limiting block with the transmission rod; at the moment, the transmission rod can drive the second rack, the second rack transmits power to the gear assembly, and the gear assembly drives the square rod to realize right-push unlocking.
When the right-pull unlocking mode is required, an installer installs the first connecting piece at the sixth installation position and connects the second rack with the transmission rod; the second connecting piece is arranged at a second mounting position and connects the limiting block with the transmission rod; at the moment, the transmission rod can drive the second rack, the second rack transmits power to the gear assembly, and the gear assembly drives the square rod to realize right-pull unlocking.
This utility model discloses can realize "left side and draw", "left side pushes away", "right side is drawn", "right side pushes away" four kinds of different modes of opening the door, simple structure, the function is reliable. The clamping grooves are formed in the first rack and the second rack, the clamping blocks can slide into the clamping grooves, and when the clamping blocks slide into the clamping grooves, the situation that a push-pull lock is manually opened from the outer side of the door can be avoided, and an anti-theft effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an exploded view of a transmission mechanism of a push-pull electronic door lock according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the synchronization between the handle and the swing block of the transmission mechanism of the push-pull electronic door lock according to the embodiment of the present invention;
fig. 3 is a perspective view of a transmission mechanism of a push-pull electronic door lock according to an embodiment of the present invention
Fig. 4 is a structural view of a driving mechanism of a push-pull electronic door lock according to an embodiment of the present invention, showing a structure that a fixture block slides into a slot.
Detailed Description
In order to facilitate understanding of the present invention, the push-pull money will be more fully described with reference to the accompanying drawings. Embodiments of push-pull locks are shown in the drawings. Push-pull locks may be implemented in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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. The terminology used herein in the description of push-pull locks is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a door opening transmission mechanism of a push-pull lock includes a housing 1 and a gear assembly 2, the gear assembly 2 is provided with a square rod hole capable of rotating and being positioned on the housing 1, and further includes a handle 3, a rotating shaft 4, a swing block 5, a transmission rod 6, a limiting block 7, a first connecting member 8, a second connecting member 9, a first rack 10, a second rack 11, an elastic member 12, a sealing plate 13, a square rod 14, a clamping block 15, and a fixing block 16.
The rotating shaft 4 is fixed on the shell 1, a fixing hole corresponding to the rotating shaft 4 is formed in the shell 1, the swinging block 5 is connected with the rotating shaft 4, and the swinging block 5 is provided with a shaft hole connected with the rotating shaft 4.
Referring to fig. 2, the handle 3 is fixed to the swing block 5, the handle 3 is provided with a fixing hole corresponding to the swing block 5, and the elastic member 12 can provide elastic holding force for the swing block 5 to rotate towards one direction all the time. The transmission rod 6 is slidably mounted in the housing 1,
the transmission rod 6 is connected with a first rack 10 or a second rack 11 through a first connecting piece 8 to reciprocate so as to drive the gear assembly 2, and the first rack 10 or the second rack 11 can drive the gear assembly 2 to rotate forwards and reversely. The swing block 5 swings to drive the transmission rod 6 to reciprocate, the limiting block 7 is connected to the transmission rod 6 through the second connecting piece 9, the stroke of the reciprocating motion of the transmission rod 6 is limited by the sealing plate 13, the push-pull lock is installed on the door, the square rod 14 is inserted into the square rod hole of the gear assembly 2, and the gear assembly 2 and the square rod 14 rotate synchronously to drive the lock tongue of the lock body to unlock and open the door. When the gear assembly 2 is in a static state, a lock tongue of the push-pull lock keeps a state of extending out of a lock body and being locked with a door frame, when the handle 3 is pushed or pulled, the handle 3 drives the swing block 5 to rotate, the swing block 5 drives the transmission rod 6 to slide, the transmission rod 6 drives the first rack 10 or the second rack 11 to slide, and the first rack 10 or the second rack 11 drives the gear assembly 2 to rotate, so that the door opening is realized. After the door is opened, the handle 3 is loosened, the swing block 5 is reset under the action of the elastic piece 12, and then the handle 3, the swing block 5, the transmission rod 6, the first rack 10 and the second rack 11 are reset. The spring bolt of push-and-pull lock stretches out the lock body and is in the closure state this moment, the utility model discloses a push away or pull handle 3 has realized opening the door, simple structure, convenient and practical.
Two ends of the rotating shaft 4 are two planar end parts, two corresponding mounting pillars are arranged on the shell 1 and used for fixing the rotating shaft 4, the swinging block 5 is mounted on the rotating shaft 4 and can rotate around the rotating shaft 4, a mounting hole corresponding to the handle 3 is formed in the swinging block 5, and the swinging block 5 is fixed on the handle 3 through a screw and is pushed or pulled by the handle 3.
Referring to fig. 1, the swing block 5 is provided with a protrusion 511, the driving rod 6 is provided with a locking hole 611, the protrusion 511 is locked into the locking hole 611, and the push-pull handle
3 are intended to be rotatably connected to the housing 1, the transmission rod 6 sliding with respect to the interior of the housing 1 when the push-pull handle 3 is rotated.
The transmission rod 6 slides in a reciprocating manner and can drive the gear assembly 2 to rotate forwards and reversely: the gear assembly 2 is provided with a gear structure 211, and is further provided with a first rack 10 and a second rack 11, one end of the first rack 10 or the second rack 11 is connected with the transmission rod 6 through a first connecting piece 8, the other end of the first rack 10 or the second rack 11 is provided with a meshing tooth to be meshed with the gear structure 211 on the gear assembly 2 for transmission, so that the forward and reverse rotation of the gear assembly 2 is realized through the reciprocating motion of the first rack 10 or the second rack 11, the transmission rod 6 is provided with threaded holes 613 and 614, the first rack 10 or the second rack 11 is connected to the transmission rod 6 through the first connecting piece 8, and the synchronous sliding of the first rack 10 or the second rack 11 and the transmission rod 6 is kept. The first rack 10 is provided with a long strip hole 1012 inserted into the second protrusion 112 on the housing 1, and the second rack 11 is provided with a long strip hole 1112 inserted into the third protrusion 113 on the housing 1, so as to keep the first rack 10 and the second rack 11 sliding at the corresponding positions. The driving rod 6 is provided with a strip-shaped hole 612, the inner side of the housing 1 is provided with a first protrusion 111, the first protrusion 111 can be inserted into the strip-shaped hole 612 of the driving rod 6 in a sliding manner, the strip-shaped hole 612 and the first protrusion 111 are matched to play a guiding role, and the fixing block 16 is used for connecting the strip-shaped hole 612 and the first protrusion 111, so that the driving rod 6 is connected to the housing 1 and can keep reciprocating motion without falling off. The driving rod 6 is provided with an accommodating cavity 615 for connecting the limiting block 7, the driving rod 6 is provided with threaded holes 616 and 617 for fixedly connecting the limiting block 7 when the limiting block 7 changes the pushing or pulling direction, and the limiting block 7 is provided with a protrusion 711 corresponding to the limiting hole 1311 or the limiting hole 1312 on the sealing plate 13.
Referring to fig. 4, the push-pull lock further includes a fixture block 15 of an anti-theft mechanism, the fixture block 15 is slidably disposed on the housing 1, the push-pull lock is in a locked state, and the lock is prevented from being opened from the outside of the door by a person, so as to achieve an anti-theft function, the fixture block 15 is connected to the housing 1, a slot 1011 or 1111 is disposed on a side wall of the first rack 10 or the second rack 11, when the fixture block 15 slides into the slot 1011 or 1111, the first rack 10 or the second rack 11 is locked and cannot slide, and the gear assembly 2 cannot rotate, so as to achieve an anti-theft function.
When the push-pull mechanism is installed, the push-pull mechanism can be selectively assembled in any one of the modes of left pulling or left pushing or right pulling or right pushing according to the requirement.
When the unlocking mode of 'left pulling' is needed, an installer can fix the first connecting piece 8 on the first rack 10 and the transmission rod 6 corresponding to the 'left pulling' mark of the sealing plate 13, and the protrusion of the limiting block 7 is fixed by the second connecting piece 9 corresponding to the 'pulling' mark 1311 of the sealing plate 13. The drive rod 6 can now drive the first toothed rack 10, which first toothed rack 10 transmits power to the gear assembly 2.
When the first connecting piece 8 is fixed on the second rack 11 and the transmission rod 6 corresponding to the mark of the sealing plate 13, i.e. the left push, by the left push, the limit block 7 protrudes and is fixed by the second connecting piece 9 corresponding to the mark of the sealing plate 13, i.e. the left push 1312. The transmission rod 6 can now drive the second rack 11, which second rack 11 transmits power to the gear assembly 2.
When the first connecting piece 8 is fixed on the first rack 10 and the transmission rod 6 which are corresponding to the mark of the sealing plate 13 and are pushed to the right by pushing to the right, the limit block 7 is fixed by the second connecting piece 9 corresponding to the mark 1312 of the sealing plate 13 and are pushed to the right by protruding. The drive rod 6 can now drive the first toothed rack 10, which first toothed rack 10 transmits power to the gear assembly 2.
When the first connecting piece 8 is fixed on the second rack 11 and the transmission rod 6 corresponding to the mark of the sealing plate 13, namely the mark of the sealing plate 13 is pulled right, by pulling right, the limiting block 7 is fixed by the second connecting piece 9 corresponding to the mark 1311 of the sealing plate 13, namely the mark of the sealing plate 13. The transmission rod 6 can now drive the second rack 11, which second rack 11 transmits power to the gear assembly 2.
The technical features of the embodiments described above may be arbitrarily combined, and the description is for brevity, and all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the description of the present specification should be understood.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (9)
1. The utility model provides a drive mechanism of plug-type electronic door lock for the switching of control lock body, its characterized in that:
the handle comprises a shell, wherein an accommodating cavity is formed in the shell, a limiting groove and a guide rail are arranged in the accommodating cavity, and a handle mounting hole is formed in the surface of the shell; the sealing plate covers the shell, and a first limiting hole, a second limiting hole and a third limiting hole are formed in the surface of the sealing plate;
the handle is fixedly arranged on the shell;
the swinging block is positioned in the accommodating cavity, penetrates through the handle mounting hole and is fixedly connected with the handle, and is provided with a shaft hole;
the rotating shaft is positioned in the accommodating cavity and fixedly arranged in the accommodating cavity after penetrating through the shaft hole;
the transmission rod is positioned in the accommodating cavity, is connected with the swinging block and drives the swinging block to make the transmission rod slide on the guide rail in a reciprocating manner through the handle;
the limiting block is positioned in the accommodating cavity, fixedly arranged on the transmission rod, at least part of the limiting block is positioned in a first limiting hole, the first limiting hole is provided with a first mounting position and a second mounting position corresponding to the push-pull type electronic door lock, and the limiting block is detachably arranged at the first mounting position or the second mounting position and limits the reciprocating stroke of the transmission rod;
the first rack is positioned in the accommodating cavity and connected with the transmission rod, and the transmission rod drives the rack to reciprocate;
the second rack is positioned in the accommodating cavity and connected with the transmission rod, and the transmission rod drives the rack to reciprocate;
the gear assembly is positioned in the accommodating cavity and meshed with the first rack and the second rack, the first rack and the second rack are symmetrically arranged on two sides of the gear assembly, and square rod holes are formed in the surface of the gear assembly;
the square rod is arranged in the square rod hole of the gear assembly, penetrates through the sealing plate and is used for driving the lock body to open and close;
the first connecting piece is positioned in the accommodating cavity, at least part of the limiting block is positioned in the second limiting hole or the third limiting hole, the first connecting piece can slide in the second limiting hole or the third limiting hole relatively, when the first connecting piece is connected with the first rack and the transmission rod, the first connecting piece is correspondingly installed in the second limiting hole, and when the first connecting piece is connected with the second rack and the transmission rod, the first connecting piece is correspondingly installed in the third limiting hole;
the second connecting piece is used for connecting the limiting block and the transmission rod;
and the elastic piece is positioned in the accommodating cavity, is arranged on one side in the accommodating cavity of the shell and can provide elastic retaining force for the swinging block to rotate towards one direction all the time.
2. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: the accommodating cavity is internally provided with an installation pillar which is used for fixing the rotating shaft.
3. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: the pendulum piece makes progress the arch and is formed with first arch, the card hole has been seted up on the drive link surface, first arch with the card hole card with, it is protruding to hold the intracavity and be provided with the second, the transfer link middle-end is provided with rectangular shape spacing through-hole, the protruding at least part of second is located rectangular shape spacing through-hole, the second arch can rectangular shape spacing through-hole relative slip.
4. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: the transmission rod is provided with a first threaded hole and a second threaded hole, the first connecting piece is a screw, the first rack is connected with the transmission rod through the screw and the first threaded hole, and the second rack is connected with the transmission rod through the screw and the first threaded hole.
5. A drive mechanism for a push-pull electronic door lock according to claim 3, wherein: the first bulge penetrates through the elongated limiting through hole and is connected with the fixing block.
6. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: the anti-theft clamping block is arranged in the containing cavity in a sliding mode and matched with the clamping grooves formed in the surfaces of the first rack and the second rack.
7. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: and the surface of the transmission rod is provided with a second threaded hole and a third threaded hole, and the second threaded hole and the third threaded hole respectively correspond to the first mounting position and the second mounting position.
8. A drive mechanism for a push-pull electronic door lock according to claim 7, wherein: the second connecting piece is a screw, and the limiting block is connected with the transmission rod through the screw and the second threaded hole or the third threaded hole.
9. A drive mechanism for a push-pull electronic door lock according to claim 1, wherein: a third mounting position and a fourth mounting position are arranged in the second limiting hole and respectively correspond to left pushing and left pulling of the push-pull electronic door lock, and the first connecting piece is detachably mounted at the third mounting position or the fourth mounting position; and a fifth mounting position and a sixth mounting position are arranged in the third limiting hole and respectively correspond to the right push and the right pull of the push-pull electronic door lock, and the first connecting piece is detachably mounted at the fifth mounting position or the sixth mounting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921912672.4U CN212716198U (en) | 2019-11-07 | 2019-11-07 | Transmission mechanism of push-pull electronic door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921912672.4U CN212716198U (en) | 2019-11-07 | 2019-11-07 | Transmission mechanism of push-pull electronic door lock |
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| Publication Number | Publication Date |
|---|---|
| CN212716198U true CN212716198U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921912672.4U Active CN212716198U (en) | 2019-11-07 | 2019-11-07 | Transmission mechanism of push-pull electronic door lock |
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| CN (1) | CN212716198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350413A (en) * | 2019-11-07 | 2020-06-30 | 箭牌智能科技（张家港）有限公司 | Transmission mechanism of push-pull electronic door lock |
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2019
- 2019-11-07 CN CN201921912672.4U patent/CN212716198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350413A (en) * | 2019-11-07 | 2020-06-30 | 箭牌智能科技（张家港）有限公司 | Transmission mechanism of push-pull electronic door lock |
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