CN213898461U - Hidden door and window lock - Google Patents
Hidden door and window lock Download PDFInfo
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- CN213898461U CN213898461U CN202022573405.8U CN202022573405U CN213898461U CN 213898461 U CN213898461 U CN 213898461U CN 202022573405 U CN202022573405 U CN 202022573405U CN 213898461 U CN213898461 U CN 213898461U
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- driven gear
- rack
- window
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a hidden door and window lock, which comprises a lock box, a swing rod and a transmission mechanism, wherein the lock box is provided with a first cavity and a third cavity; the swing rod is arranged in the first cavity, the transmission mechanism is arranged in the third cavity, the swing rod does not protrude out of a frame of the door and window, the whole aesthetic feeling of the door and window is kept, the structure is more compact, the occupied space is reduced, the transmission mechanism comprises a driving gear and a rack, the driving gear and the rack are connected through a multi-stage gear set, the output stroke of the rack can be increased through the multi-stage gear set, the same stroke can be used for manufacturing a lock box with smaller size, the multi-stage gear set is also favorable for the lock box to be more stable and more miniaturized, and the door and window is more attractive.
Description
Technical Field
The utility model relates to a tool to lock technical field, in particular to hidden door and window lock.
Background
The existing door and window lockset is provided with structures such as handles for driving unlocking and locking, wherein the handles are arranged on the outer surface of a door and window frame, so that the integral aesthetic feeling of the door and window is influenced, and the occupied space is larger;
and the door and window lock is generally unlocked or locked by rotating a handle or a key by 90 degrees, and is converted into another unlocking mode by 180 degrees. The existing door and window lock is a standard part, a specific size range is specified, the existing door and window lock is a single-stage gear transmission structure, the structure needs a gear with a larger radius and corresponding tooth number in order to guarantee enough output stroke, the structure occupies a larger space, on one hand, the manufacturing cost is increased, on the other hand, the novel narrow-edge door and window cannot accommodate conventional locking, and if the size of a lock box is further reduced, the structure cannot conform to the stroke standard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an occupation space is less, has the hidden door and window lock of big stroke, and the lock box is equipped with the first chamber that can hold the pendulum rod for the pendulum rod is not outstanding door and window's frame, hides in the frame, keeps door and window's whole aesthetic feeling, and the structure is compacter, reduces the space and occupies, and the hand (hold) isotructure of having solved current door and window tool to lock is outstanding in the frame, influences the aesthetic feeling, and occupation space's problem.
To achieve the purpose, the utility model adopts the following technical proposal:
the hidden door and window lock comprises a lock box, a swing rod and a transmission mechanism, wherein the lock box is provided with a first cavity and a third cavity;
the swing rod is arranged in the first cavity, and the transmission mechanism is arranged in the third cavity;
the swing rod is in driving connection with the transmission mechanism;
the transmission mechanism comprises a driving gear and a rack, the driving gear is linked with the oscillating bar through a rotating shaft, and the driving gear is in driving connection with the rack.
From this, the lock box inlays and installs on door and window's frame, and the first chamber of lock box is used for placing the pendulum rod, and the second chamber is used for placing drive mechanism, rotates the pendulum rod and can drive mechanism motion to the drive is unblanked and is closed the lock, because of the pendulum rod is placed in first intracavity, does not stand out door and window's frame, is equivalent to hiding in the frame, keeps door and window's whole aesthetic feeling, and the structure is compacter, reduces the space and occupies.
In some embodiments, the lock box is further provided with a second cavity located to one side of the first cavity and communicating with the first cavity.
Therefore, the second cavity is arranged to widen the space of the first cavity, so that the hand of a human body can conveniently enter the second cavity, and the swing rod is pulled.
In some embodiments, the gear train further comprises a multi-stage gear set that can increase the output stroke of the rack.
Therefore, the output stroke of the driving gear can be enlarged by the multi-stage gear set, so that the output stroke of the rack is enlarged, and the same stroke can be output by rotating the same angle. In addition, compare with the stroke that adopts single-stage gear direct drive rack output to be the same, the biggest gear reference circle diameter of required multistage gear train is less than single-stage gear reference circle diameter, and then realizes reducing lock box size, satisfies the requirement in novel narrow limit door and window.
In some embodiments, the multi-stage gear set includes at least a first driven gear and a second driven gear, the first driven gear being in linkage with the second driven gear;
the first driven gear is meshed with the driving gear, and the second driven gear is meshed with the rack.
Therefore, the first driven gear and the second driven gear form a multi-stage gear set, and the output stroke is increased.
In some embodiments, the number of teeth of the drive gear is greater than the number of teeth of the first driven gear;
the number of teeth of the second driven gear is larger than that of the first driven gear.
Therefore, the output stroke of the second driven gear can be increased due to the arrangement of the tooth numbers, so that the output stroke of the rack is increased, and the rack can be driven to move for a larger stroke by rotating the rotating shaft at the same angle.
In some embodiments, the number of teeth of the second driven gear is between the number of teeth of the drive gear and the first driven gear.
Therefore, the tooth number of the second driven gear is not more than that of the driving gear, so that the transmission mechanism is more compact.
In some embodiments, the wall of the third chamber is provided with a guide groove, and the rack is provided with a guide strip matched with the rack.
Therefore, the structural matching of the guide groove and the guide strip can improve the motion precision and smoothness of the rack.
In some embodiments, the rack is further provided with a connecting buckle.
Therefore, the connecting buckle is used for being connected with the lock catch, so that the lock catch is driven to move relative to the lock base, and unlocking and locking actions are achieved.
In some embodiments, the multi-stage gear set is integrally formed. Therefore, the structural strength of the secondary gear set is improved, and the manufacturing cost is reduced
In some embodiments, the pitch diameter of the second driven gear is greater than the pitch diameter of the first driven gear. Therefore, the output stroke is ensured, and meanwhile, the reduction of the size of the lock box is facilitated.
The utility model has the advantages that:
1. the lock box is provided with a first cavity capable of accommodating the swing rod, so that the swing rod does not protrude out of the frame of the door and window and is hidden in the frame, the integral aesthetic feeling of the door and window is kept, the structure is more compact, and the space occupation is reduced;
2. the secondary gear set of the transmission mechanism can increase the output stroke of the rack, realize that the same stroke can be output by using a smaller lock box at the same rotation angle, and can meet the requirements of the novel narrow-edge door and window on the size and the working stroke of the lockset;
3. compared with the prior art, the technical scheme of the application has larger stroke output when the swing rod rotates at the same angle, and is more convenient to operate when the swing rod is opened/closed;
4. the number of teeth of the first driven gear is smaller than that of the driving gear, and the number of teeth of the second driven gear is between the first driven gear and the driving gear, so that the transmission structure is more compact, and the lock box is more miniaturized.
Drawings
FIG. 1 is a structural diagram of the hidden door/window lock of the present invention;
FIG. 2 is a structural diagram of the hidden door/window lock of the present invention;
FIG. 3 is a structural diagram of the transmission mechanism of the present invention;
FIG. 4 is an exploded view of the hidden door/window lock of the present invention;
FIG. 5 is an exploded view of the hidden door/window lock of the present invention in another viewing direction;
wherein: 1-locking the box; 11-a first cavity; 12-a second cavity; 13-a third chamber; 131-a guide groove; 2-a transmission mechanism; 21-a drive gear; 22-a multi-stage gear set; 221-a first driven gear; 222-a second driven gear; 23-a rack; 231-connecting buckles; 232-conducting bar; 231 a-bottom wall; 3-oscillating bar; 4-a rotating shaft; 5-sealing the cover; 51-side walls.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, the hidden door and window lock comprises a lock box 1, a swing rod 3 and a transmission mechanism 2, wherein the lock box 1 is provided with a first cavity 11 and a third cavity 13;
the swing rod 3 is arranged in the first cavity 11, and the transmission mechanism 2 is arranged in the third cavity 13;
the swing rod 3 is in driving connection with the transmission mechanism 2;
the transmission mechanism 2 comprises a driving gear 21 and a rack 23, the driving gear 21 is linked with the swing rod 3 through a rotating shaft 4, and the driving gear 21 is in driving connection with the rack 23.
Further explaining, the lock box 1 is further provided with a second cavity 12, and the second cavity 12 is located at one side of the first cavity 11 and is communicated with the first cavity 11.
Further explaining, the transmission mechanism 2 further includes a multi-stage gear set 22, and the multi-stage gear set 22 can increase the output stroke of the rack 23.
Further, the multi-stage gear set 22 at least comprises a first driven gear 221 and a second driven gear 222, wherein the first driven gear 221 and the second driven gear 222 are linked;
the first driven gear 221 is engaged with the pinion 21, and the second driven gear 222 is engaged with the rack 23.
Further, the number of teeth of the driving gear 21 is greater than that of the first driven gear 221;
the number of teeth of the second driven gear 222 is larger than that of the first driven gear 221.
To explain, the number of teeth of the second driven gear 222 is between the number of teeth of the driving gear 21 and the first driven gear 221.
Further, the wall of the third chamber 13 is provided with a guide groove 131, and the rack 23 is provided with a guide bar 232 matched with the rack.
Further, the rack 23 is further provided with a connecting buckle 231.
Further illustrated, the multi-stage gear set 22 is integrally formed.
Further, the reference circle diameter of the second driven gear 222 is larger than that of the first driven gear 221.
The working principle is as follows:
the lock is applied to doors and windows, and the lock box 1 can be embedded on a frame of the doors and windows.
The lock box 1 of the lock is installed on a frame of a door window through fasteners such as screws, a first cavity 11 and a second cavity 12 are arranged on the surface of the lock box 1, the first cavity 11 is communicated with the second cavity 12, the first cavity 11 is used for placing the swing rod 3, and the second cavity 12 is convenient for a hand of a human body to enter, so that the swing rod 3 is pulled.
The lateral part of the lock box 1 is provided with a third cavity 13, the third cavity 13 is used for placing a transmission mechanism 2, the transmission mechanism 2 comprises a driving gear 21 and a rack 23, the driving gear 21 is linked with the swing rod 3 through a rotating shaft 4, the rack 23 is in driving connection with the lock catch, the swing rod 3 is pulled, and the driving gear 21 drives the rack 23 to move, so that the lock catch is driven to move relative to the lock base, and unlocking and locking are achieved.
One end of the rotating shaft 4 is linked with the driving gear 21, and the other end is linked with the swing rod 3 through a thread structure.
The transmission mechanism 2 can also be provided with a multi-stage gear set 22 for increasing the output stroke of the rack 23, so that the rack 23 can output a larger stroke by rotating the swing rod 3 by the same angle.
The multi-stage gear set 22 at least includes a first driven gear 221 and a second driven gear 222, the first driven gear 221 and the second driven gear 222 can be an integrated structure, the first driven gear 221 is engaged with the driving gear 21, and the second driven gear 222 is engaged with the rack 23.
Wherein, the number of teeth that sets up first driven gear 221 is less than the number of teeth of driving gear 21, and the number of teeth of second driven gear 222 is greater than the number of teeth of first driven gear 221, the pitch circle diameter of first driven gear 221 is less than the pitch circle diameter of driving gear 21 promptly, the pitch circle diameter of second driven gear 222 is greater than the pitch circle diameter of first driven gear 221, the stroke of rack 23 equals the rotation angle of the pitch circle length of gear multiplied by gear, through the transmission of multistage gear set 22, when driving gear 21 rotates a certain angle, can drive second driven gear 222 and rotate bigger angle, make the rotation angle grow of second driven gear 222, thereby realize the output stroke grow of rack 23.
In order to make the space more compact, the number of teeth of the second driven gear 222 is not greater than the number of teeth of the driving gear 21, that is, the reference circle diameter of the second driven gear 222 is not greater than the reference circle diameter of the driving gear 21, so that the size of the lock case 1 does not need to be increased for the second driven gear 222, and the size of the lock case 1 is further miniaturized.
The rack 23 includes a bottom wall 231a, one surface of the bottom wall 231a is provided with a tooth structure, the other surface is provided with a connecting buckle 231, and the connecting buckle 231 is used for being connected with the lock catch; the bottom wall 231a is further provided with a guide bar 232, and the wall surface of the second chamber 12 is provided with a guide groove 131 matched with the wall surface.
The lock box 1 is further provided with a sealing cover 5, the sealing cover 5 is mounted at the opening of the third cavity 13 through a fastener such as a screw, and a shaft hole is formed in the side wall 51 of the sealing cover 5 and used for fixing the position of the multi-stage gear set 22, so that the multi-stage gear set 22 is rotatably connected to the corresponding shaft hole.
As can be seen from the above, the swing link 3 of the lock box 1 is installed in the first cavity 11 and does not protrude from the frame of the door/window, so as to maintain the overall aesthetic feeling of the door/window, and the multi-stage gear set 22 can increase the output stroke, so that the structure of the transmission mechanism 2 is more compact, and the lock box 1 is more miniaturized.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The hidden door and window lock is characterized by comprising a lock box (1), a swing rod (3) and a transmission mechanism (2), wherein the lock box (1) is provided with a first cavity (11) and a third cavity (13);
the swing rod (3) is arranged in the first cavity (11), and the transmission mechanism (2) is arranged in the third cavity (13);
the swing rod (3) is in driving connection with the transmission mechanism (2);
the transmission mechanism (2) comprises a driving gear (21) and a rack (23), the driving gear (21) is linked with the swing rod (3) through a rotating shaft (4), and the driving gear (21) is in driving connection with the rack (23).
2. A concealed door and window lock according to claim 1, characterized in that said lock case (1) is further provided with a second cavity (12), said second cavity (12) being located at one side of said first cavity (11) and communicating with said first cavity (11).
3. Hidden door and window lock according to claim 1, characterized in that the transmission mechanism (2) further comprises a multi-stage gear set (22), the multi-stage gear set (22) being able to increase the output stroke of the rack (23).
4. The hidden door and window lock according to claim 3, characterized in that said multi-stage gear set (22) comprises at least a first driven gear (221) and a second driven gear (222), said first driven gear (221) being coupled with said second driven gear (222);
the first driven gear (221) is engaged with the pinion gear (21), and the second driven gear (222) is engaged with the rack gear (23).
5. The hidden door and window lock according to claim 4, characterized in that the number of teeth of said driving gear (21) is greater than the number of teeth of said first driven gear (221);
the number of teeth of the second driven gear (222) is larger than that of the first driven gear (221).
6. The hidden door and window lock according to claim 5, characterized in that said second driven gear (222) has a number of teeth comprised between the number of teeth of said driving gear (21) and of said first driven gear (221).
7. Hidden door and window lock according to any of claims 1 to 6, characterized in that the wall of the third chamber (13) is provided with a guide groove (131) and the rack (23) is provided with a guide (232) cooperating therewith.
8. Hidden door and window lock according to any of claims 1 to 6, characterized in that the rack (23) is also provided with a connecting buckle (231).
9. Hidden window and door lock according to claim 3, characterized in that said multi-stage gear set (22) is made in one piece.
10. Hidden door and window lock according to claim 4, characterized in that the second follower gear (222) has a pitch circle diameter greater than the pitch circle diameter of the first follower gear (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022573405.8U CN213898461U (en) | 2020-11-09 | 2020-11-09 | Hidden door and window lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022573405.8U CN213898461U (en) | 2020-11-09 | 2020-11-09 | Hidden door and window lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213898461U true CN213898461U (en) | 2021-08-06 |
Family
ID=77117785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022573405.8U Expired - Fee Related CN213898461U (en) | 2020-11-09 | 2020-11-09 | Hidden door and window lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213898461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775646B (en) * | 2021-10-19 | 2022-08-21 | 賴宥銨 | Window frame hidden screwing device |
-
2020
- 2020-11-09 CN CN202022573405.8U patent/CN213898461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775646B (en) * | 2021-10-19 | 2022-08-21 | 賴宥銨 | Window frame hidden screwing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |