CN220769126U - Gear transmission mechanism and lock with same - Google Patents

Gear transmission mechanism and lock with same Download PDF

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Publication number
CN220769126U
CN220769126U CN202322204574.8U CN202322204574U CN220769126U CN 220769126 U CN220769126 U CN 220769126U CN 202322204574 U CN202322204574 U CN 202322204574U CN 220769126 U CN220769126 U CN 220769126U
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CN
China
Prior art keywords
rotating shaft
transmission mechanism
spring
gear
gear transmission
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Active
Application number
CN202322204574.8U
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Chinese (zh)
Inventor
仲化龙
刘攀
梁倩
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Eversafe Electronic Lock Co ltd
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Eversafe Electronic Lock Co ltd
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Priority to CN202322204574.8U priority Critical patent/CN220769126U/en
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Publication of CN220769126U publication Critical patent/CN220769126U/en
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Abstract

The utility model provides a gear transmission mechanism for a lockset, wherein the gear transmission mechanism is connected with a stroke rotating shaft, and a spring is sleeved on the stroke rotating shaft; one end of the stroke rotating shaft is provided with a clamping protrusion, and the other end is provided with a supporting block; one end of the spring is clamped on the clamping protrusion, and the other end of the spring is abutted against the abutting block. The motor drives the gear transmission mechanism to operate, so that the stroke rotating shaft is driven to rotate; the stroke rotating shaft rotates in a first direction, so that the spring is compressed in a direction away from the lock seat, and pressure is applied to the abutting block, so that the abutting block is axially displaced along the stroke rotating shaft and is far away from the lock seat; the supporting block is connected with the lock head, so that the lock head is separated from the lock seat to realize unlocking; the stroke rotating shaft rotates in a second direction opposite to the first direction, so that the spring returns, and the lock head is connected with the lock seat to realize locking. The spring is changed from the shearing force to the pressure force, so that the problem that the spring is easy to break is solved, the fatigue resistance times are greatly increased, the service life of the spring is prolonged, and the spring is more durable and reliable.

Description

Gear transmission mechanism and lock with same
Technical Field
The utility model relates to the technical field of locks, in particular to a gear transmission mechanism and a lock with the same.
Background
The existing electric lockset adopts a motor to drive a spring to compress so as to realize unlocking and locking, but the spring in the prior art mainly bears shearing force during movement and is easy to break, so that the problem of normally open or normally closed of the lockset is caused.
Moreover, the shell of the lockset in the prior art is fixed by a screw, the pretightening force of the screw is not easy to control, the shell of the lockset is easy to damage, and the higher and higher requirements of the existing lockset are difficult to meet, so that the gear transmission mechanism in the lockset is necessary to be improved.
Disclosure of Invention
In order to overcome the technical defects, the utility model aims to provide an anti-fatigue gear transmission mechanism for a lockset.
The utility model discloses a gear transmission mechanism for a lockset, which is connected with a stroke rotating shaft, wherein a spring is sleeved on the stroke rotating shaft; one end of the stroke rotating shaft is provided with a clamping protrusion, and the other end of the stroke rotating shaft is provided with a supporting block; one end of the spring is clamped on the clamping protrusion, and the other end of the spring is abutted against the abutting block; the motor drives the gear transmission mechanism to operate, so that the stroke rotating shaft is driven to rotate; the stroke rotating shaft rotates in a first direction, so that the spring is compressed in a direction away from/close to the lock seat, and pressure is applied to the abutting block, so that the abutting block is axially displaced along the stroke rotating shaft and is far away from/close to the lock seat; the supporting block is connected with the lock head, so that the lock head is separated from/connected with the lock seat to realize unlocking/locking; the stroke rotating shaft rotates in a second direction opposite to the first direction, so that the spring returns, and the abutting block is driven to axially displace along the stroke rotating shaft and approach/depart from the lock seat, so that the lock head is connected with the lock seat to realize locking/unlocking.
Preferably, the clamping protrusions are cylindrical, and the clamping protrusions are arranged on two radial sides of the stroke rotating shaft; the clamping convex on any side radially penetrates through the spring to be clamped with the spring.
Preferably, the lock head is connected with the supporting block through a pushing piece; the pushing piece is provided with a radial connecting hole, the connecting hole is a through hole, and the supporting block is provided with a radial connecting column; the connecting column is inserted into the connecting hole, so that the abutting block is connected with the pushing piece.
Preferably, the connecting hole is in clearance fit with the connecting column.
Preferably, the device further comprises a rectangular propping ring, wherein the rectangular propping ring is sleeved on the stroke rotating shaft, and the spring is arranged in a containing space formed by the rectangular propping ring; the supporting block is one side edge of the rectangular supporting ring.
Preferably, the gear transmission mechanism comprises a first gear set and a second gear set, a first pinion in the first gear set is arranged on an output shaft of the motor, a first bull gear in the first gear set is arranged on a transmission shaft, and the first pinion is meshed with the first bull gear, so that the output force of the motor is transmitted to the transmission shaft; the second pinion gear in the second gear set is arranged on the transmission shaft, the second bull gear in the second gear set is arranged on the stroke rotating shaft, and the second pinion gear is meshed with the second bull gear, so that the force on the transmission shaft is transmitted to the stroke rotating shaft.
Preferably, the portable electronic device further comprises a shell, wherein the shell comprises a lower box body and an upper cover body matched with the lower box body; the motor, the gear transmission mechanism, the stroke rotating shaft and the push piece are arranged in a containing space formed by the lower box body, and the lock head is arranged outside the lower box body.
Preferably, the lower box body and the upper cover body are clamped by clamping pieces, and the number of the clamping pieces is more than or equal to 2.
Preferably, the rectangular supporting ring is a plastic piece.
The utility model also discloses a lockset based on the gear transmission mechanism, which comprises the gear transmission mechanism.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. compared with the prior art, the spring is changed from the shearing force to the pressure, so that the problem that the spring is easy to break is solved, the fatigue frequency is greatly increased, the service life of the spring is prolonged, and the spring is more durable and reliable;
2. the gear transmission mechanism has high transmission efficiency, is more stable and reliable to operate and has good durability; the gear transmission mechanism adopts two-stage gears to transmit force, so that the current of the motor is smaller than that before, and the power is saved;
3. the lower box body is clamped with the upper cover body through the clamping piece, so that the problem that the fixing force of the upper cover and the lower cover is too large due to the installation process of screw installation in the prior art is avoided, and the movement of internal parts is influenced;
4. the sliding block pushing sheets are in clearance fit, so that abrasion and damage in the running process caused by interference fit between the sliding block pushing sheets are prevented.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a gear transmission mechanism for a lock according to the present utility model;
fig. 2 is an external schematic view of a gear transmission mechanism for a lock according to the present utility model.
Wherein: the novel lock comprises a motor 1, a first gear set 2, a second gear set 3, a 4-stroke rotating shaft 5, a rectangular supporting ring 6, a spring 7, a clamping protrusion 8, a push piece 9, a lock head 10, a lower box body 11, an upper cover body and a clamping piece 12.
Detailed Description
Advantages of the utility model are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present utility model, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.
Referring to fig. 1, the utility model discloses a gear transmission mechanism for a lockset, wherein the gear transmission mechanism is connected with a stroke rotating shaft 4, and the unlocking and locking of the lockset are driven through gear transmission. Specifically, the stroke pivot 4 one end is equipped with the card protruding 7, and the other end is equipped with the piece that supports, and spring 6 cover is established on row Cheng Zhuaizhou 4, and spring 6 one end card is established on the card protruding 7, and the other end butt is supported on the piece. The motor 1 drives the gear transmission mechanism to operate, so that the stroke rotating shaft 4 is driven to rotate, and the stroke rotating shaft 4 is driven to rotate, so that the spring 6 is driven to compress.
Specifically, in the preferred embodiment of the present utility model, the stroke rotation shaft 4 rotates in a first direction, so that the spring 6 compresses in a direction away from the lock seat, and thus, pressure is applied to the abutment to enable the abutment to displace along the axial direction of the stroke rotation shaft 4 and away from the lock seat, the abutment is connected with the lock head 9, and the abutment displaces along the axial direction of the stroke rotation shaft 4 and away from the lock seat, so that the lock head 9 is separated from the lock seat to achieve unlocking. The stroke rotating shaft 4 rotates in a second direction opposite to the first direction, so that the spring 6 returns, and the abutting block is driven to axially displace along the stroke rotating shaft 4 and approach the lock seat, so that the lock head 9 is connected with the lock seat to realize locking.
In other embodiments, the travel shaft 4 rotates in a first direction such that the spring 6 compresses in a direction toward the lock base, thereby exerting pressure on the abutment to displace the abutment in the axial direction of the travel shaft 4 and toward the lock base, thereby connecting the lock head 9 to the lock base to effect locking.
The principle of the two unlocking/locking modes is the same, but the control can be different by arranging the positions of the spring 6 and the abutting block. The abutment against which the spring 6 in the first way abuts is remote from the lock seat, whereas the abutment against which the spring 6 in the second way abuts is close to the lock seat.
As a preferable control, the first mode may be a normally closed type lock, and the second mode may be a normally open type lock.
Preferably, the clamping protrusion 7 is cylindrical, and the clamping protrusion 7 is arranged on two radial sides of the stroke rotating shaft 4, and more preferably, the cylindrical clamping protrusion 7 can be understood to radially penetrate through the stroke rotating shaft 4. And the clamping convex 7 on any side radially penetrates through the spring 6 to be clamped with the spring 6, so that the clamping force of the clamping convex 7 on the spring 6 is ensured to be stable enough.
Preferably, the lock head 9 is connected with the pushing piece 8 through the pushing piece 8, the pushing piece 8 is provided with a radial connecting hole, the connecting hole is a through hole, the pushing piece is provided with a radial connecting column, and the connecting column is inserted in the connecting hole, so that the pushing piece 8 is connected with the pushing piece. It should be noted that, the lock head 9 may be a lock head 9 directly connected with the lock seat in a matching manner, or may be an intermediate piece for assisting the lock head 9 to be connected with the lock seat in a matching manner, see the lock head 9 in fig. 1-2, which is a semicircular (arc-shaped) piece, and may be used as the lock head 9 to be connected with the lock seat, or may be used as an assisting piece to push the real lock head 9 to be connected with the lock seat in a matching manner.
Preferably, if the connecting hole and the connecting post are in clearance fit (even interference fit), abrasion may be generated at the positions of the connecting hole and the connecting post in the running process of the abutting block and the pushing piece 8 so as to damage the connecting hole and the connecting post, so that the connecting hole and the connecting post are in clearance fit, and abrasion damage caused by interference fit between the connecting hole and the connecting post in the running process is prevented.
Preferably, the supporting block can be a rectangular supporting ring 5, the rectangular supporting ring 5 is sleeved on the stroke rotating shaft 4, the spring 6 is arranged in the accommodating space formed by the rectangular supporting ring 5, and the supporting block can be understood as one side edge of the rectangular supporting ring 5.
Preferably, the gear transmission mechanism comprises a first gear set 2 and a second gear set 3, a first pinion in the first gear set 2 is arranged on an output shaft of the motor 1, a first bull gear in the first gear set 2 is arranged on a transmission shaft, and the first pinion is meshed with the first bull gear, so that the output force of the motor 1 is transmitted to the transmission shaft. The second pinion gear in the second gear set 3 is arranged on the transmission shaft, the second large gear in the second gear set 3 is arranged on the stroke rotating shaft 4, and the second pinion gear is meshed with the second large gear, so that the force on the transmission shaft is transmitted to the stroke rotating shaft 4. Therefore, the secondary transmission of force is realized, the operation is more stable and reliable, the durability is good, and the current of the motor 1 is smaller than that before, so that the power is saved.
Preferably, the lock further comprises a shell, wherein the lock is arranged in the shell, and the shell comprises a lower box body 10 and an upper cover body 11 matched with the lower box body 10. The motor 1, the gear transmission mechanism, the stroke rotating shaft 4, the pushing piece 8 and other mechanisms are all arranged in the accommodating space formed by the lower box body 10, and only the lock head 9 is arranged outside the lower box body 10 and is used for being matched and connected with the lock seat.
Preferably, the lower case 10 and the upper cover 11 are clamped by the clamping members 12, the number of the clamping members 12 is greater than or equal to 2, and in the preferred embodiment of the utility model, the number of the clamping members 12 is greater than or equal to 3.
The utility model also discloses a lockset based on the gear transmission mechanism, which comprises the gear transmission mechanism, and can be applied to the scenes of door locks, vehicle locks and the like to realize the lockset functions of more stability and longer service life.
Preferably, the rectangular supporting ring 5 is a plastic piece, the push piece 8 and the lock head 9 are metal pieces, and the strength of the lock is ensured.
It should be noted that the embodiments of the present utility model are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present utility model, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present utility model still falls within the scope of the technical scope of the present utility model.

Claims (10)

1. The gear transmission mechanism is characterized in that the gear transmission mechanism is connected with a stroke rotating shaft, and a spring is sleeved on the stroke rotating shaft; one end of the stroke rotating shaft is provided with a clamping protrusion, and the other end of the stroke rotating shaft is provided with a supporting block; one end of the spring is clamped on the clamping protrusion, and the other end of the spring is abutted against the abutting block;
the motor drives the gear transmission mechanism to operate, so that the stroke rotating shaft is driven to rotate;
the stroke rotating shaft rotates in a first direction, so that the spring is compressed in a direction away from/close to the lock seat, and pressure is applied to the abutting block, so that the abutting block is axially displaced along the stroke rotating shaft and is far away from/close to the lock seat; the supporting block is connected with the lock head, so that the lock head is separated from/connected with the lock seat to realize unlocking/locking;
the stroke rotating shaft rotates in a second direction opposite to the first direction, so that the spring returns, and the abutting block is driven to axially displace along the stroke rotating shaft and approach/depart from the lock seat, so that the lock head is connected with the lock seat to realize locking/unlocking.
2. The gear transmission mechanism according to claim 1, wherein the catching protrusion is cylindrical, and the catching protrusion is provided on both radial sides of the stroke rotation shaft;
the clamping convex on any side radially penetrates through the spring to be clamped with the spring.
3. The gear transmission mechanism according to claim 1, wherein the lock head is connected to the abutment block through a push piece;
the pushing piece is provided with a radial connecting hole, the connecting hole is a through hole, and the supporting block is provided with a radial connecting column; the connecting column is inserted into the connecting hole, so that the abutting block is connected with the pushing piece.
4. A gear transmission mechanism according to claim 3, wherein the connection aperture is a clearance fit with the connection post.
5. The gear transmission mechanism according to claim 3, further comprising a rectangular supporting ring, wherein the rectangular supporting ring is sleeved on the stroke rotating shaft, and the spring is arranged in a containing space formed by the rectangular supporting ring;
the supporting block is one side edge of the rectangular supporting ring.
6. The gear transmission mechanism of claim 1, comprising a first gear set and a second gear set, a first pinion gear of the first gear set being disposed on an output shaft of the motor, a first bull gear of the first gear set being disposed on a transmission shaft, the first pinion gear being in mesh with the first bull gear to transmit an output force of the motor to the transmission shaft;
the second pinion gear in the second gear set is arranged on the transmission shaft, the second bull gear in the second gear set is arranged on the stroke rotating shaft, and the second pinion gear is meshed with the second bull gear, so that the force on the transmission shaft is transmitted to the stroke rotating shaft.
7. The gear transmission mechanism of claim 3, further comprising a housing comprising a lower case, an upper cover mated with the lower case;
the motor, the gear transmission mechanism, the stroke rotating shaft and the push piece are arranged in a containing space formed by the lower box body, and the lock head is arranged outside the lower box body.
8. The gear transmission mechanism according to claim 7, wherein the lower case is engaged with the upper cover via engaging pieces, and the number of the engaging pieces is 2 or more.
9. The gear transmission mechanism of claim 5, wherein the rectangular abutment ring is a plastic piece, and the push tab and the locking head are metal pieces.
10. A lock based on a gear transmission mechanism, comprising a gear transmission mechanism according to any one of claims 1-9.
CN202322204574.8U 2023-08-16 2023-08-16 Gear transmission mechanism and lock with same Active CN220769126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322204574.8U CN220769126U (en) 2023-08-16 2023-08-16 Gear transmission mechanism and lock with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322204574.8U CN220769126U (en) 2023-08-16 2023-08-16 Gear transmission mechanism and lock with same

Publications (1)

Publication Number Publication Date
CN220769126U true CN220769126U (en) 2024-04-12

Family

ID=90620026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322204574.8U Active CN220769126U (en) 2023-08-16 2023-08-16 Gear transmission mechanism and lock with same

Country Status (1)

Country Link
CN (1) CN220769126U (en)

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