Glass door rear lock body and glass door lock
By arranging a positioning screw on the lock tongue to connect with the transmission gear and eliminating the swing structure of the protrusion, the problem of increased lock body space behind the existing glass door is solved, and the miniaturization and stability of the lock body are achieved.
Patent Information
- Application Number
- CN202422603831.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing rear lock body of a glass door requires a large space for the swing of the protrusion, which increases the overall installation space and makes it impossible to achieve miniaturization.
By arranging a positioning screw on the lock tongue to connect with the transmission gear, the movement of the positioning screw in the long hole is utilized to realize the telescopic movement of the lock tongue, the swing structure of the protrusion is eliminated, and the installation space of the lock body is reduced.
The miniaturization of the lock body behind the glass door is achieved, which reduces the installation space and improves the compactness and stability of the lock body.
Smart Images

Figure CN223482436U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to locks, and more particularly to a rear lock body and a glass door lock for a glass door. Background Technology
[0002] The rear lock body of the glass door is used to perform the function of opening and closing the lock. The front lock body's control panel is used to unlock the door with a fingerprint or password. When the motor of the rear lock body receives the signal to open or close the lock, it drives the transmission gear to rotate through the gear set. The rotation of the transmission gear can drive the protrusion on the transmission gear to swing. The protrusion pushes the slider to move, and the slider drives the bolt to extend and retract. However, the swinging of the protrusion requires a large space, which increases the overall installation space of the rear lock body. Summary of the Invention
[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a glass door rear lock body.
[0004] The purpose of this utility model is achieved through the following technical solution: a glass door rear lock body, including a housing, a motor, a gear set, a transmission gear and a lock tongue are provided inside the housing, one end of the lock tongue is provided with an elongated hole, a positioning screw is inserted into the elongated hole, the positioning screw is connected to the transmission gear, the positioning screw can move within the elongated hole, an output gear is provided on the output shaft of the motor, the output gear meshes with the gear set and drives the transmission gear to rotate.
[0005] As an improvement of the glass door rear lock body of this utility model, the lock tongue includes an upper lock tongue plate and a lower lock tongue plate, two lock blocks are provided between the upper lock tongue plate and the lower lock tongue plate, a torsion spring seat is provided between the two lock blocks, a torsion spring is provided on the torsion spring seat, one end of the torsion spring abuts against the upper lock tongue plate and the other end abuts against the lower lock tongue plate, and one end of the two lock blocks is movably connected to a positioning post.
[0006] As an improvement of the glass door rear lock body of this utility model, the lower locking tongue plate is L-shaped, the elongated hole is provided at one end of the lower locking tongue plate, and a sliding guide post and a magnetic core are also provided at one end edge of the lower locking tongue plate.
[0007] As an improvement to the glass door rear lock body of this utility model, the housing is also provided with a sliding groove, and the sliding guide post is slidably connected in the sliding groove.
[0008] As an improvement to the glass door lock body of this utility model, a PCB board is also provided inside the housing. The PCB board is provided with a first Hall switch and a second Hall switch. The magnetic core can sense each other with the first Hall switch or the second Hall switch and control the motor to stop rotating.
[0009] As an improvement to the rear lock body of the glass door of this utility model, the gear set includes a first gear pair, a second gear pair, and a third gear pair.
[0010] The first gear pair includes a first upper gear and a first lower gear, which are coaxially arranged, and the first upper gear meshes with the output gear;
[0011] The second gear pair includes a second upper gear and a second lower gear, which are coaxially arranged, and the second upper gear meshes with the first lower gear;
[0012] The third gear pair includes a third gear, the bottom of which is provided with a first face gear, which meshes with a second face gear, and the bottom of the second face gear is provided with a fourth gear. The third gear, the first face gear, the second face gear and the fourth gear are coaxially arranged through a gear shaft, and a spring passes through the gear shaft.
[0013] As an improvement to the glass door rear lock body of this utility model, the transmission gear is provided with a connecting seat, and a knob is inserted into the connecting seat and fixed by screws.
[0014] As an improvement of the glass door rear lock body of this utility model, the bottom surface of the housing is covered with a bottom cover, the bottom cover is provided with a battery mounting slot, a knob protrusion hole and a reset switch protrusion hole, the battery mounting slot is provided with a battery, the battery is electrically connected to the PCB board and the motor, the knob protrudes from the knob protrusion hole, and the PCB board is also provided with a reset switch, the reset switch protrudes from the reset switch protrusion hole.
[0015] As an improvement to the rear lock body of this utility model for glass doors, a horn is also provided inside the housing. The horn and the latch pressure plate are electrically connected to the PCB board, and the latch pressure plate is located above the latch. Both ends of the latch pressure plate are fixed to studs inside the housing by screws. The latch pressure plate can increase the stability of the latch movement.
[0016] As an improvement to the rear lock body of this utility model for glass doors, it also includes a face cover, which covers the bottom cover. The face cover has multiple hooks spaced apart along its edge, and the bottom cover has a corresponding slot for each hook. The slots cooperate with the hooks to secure the face cover. The face cover also has through holes corresponding to the knob extension hole and the reset switch extension hole, with both the reset switch and the knob extending from the through holes in the face cover.
[0017] Another objective of this utility model is to provide a glass door lock, including a rear lock body for the glass door, wherein the rear lock body is connected to a front lock body via a first clamping plate, the front lock body is provided with a control panel and a fingerprint sensor, the front lock body is provided with a circuit board, the circuit board is electrically connected to the PCB board of the rear lock body for the glass door, the control panel is provided with a display screen and a touch panel; the display screen, touch panel and fingerprint sensor are all electrically connected to the circuit board.
[0018] The first clamping plate has a front fixing plate and a rear fixing plate. The front fixing plate is fixedly installed on the back of the front lock body by screws, and the rear fixing plate is fixedly installed on the back of the rear lock body of the glass door by screws.
[0019] It also includes a secondary lock rear shell and a secondary lock front shell, which are connected by a second clamping plate. The second clamping plate includes a front connecting plate and a rear connecting plate. The front connecting plate is fixed to the back of the secondary lock front shell by screws, and the rear connecting plate is fixed to the back of the secondary lock rear shell by screws. The secondary lock rear shell is located at one end of the glass door rear lock body. The secondary lock rear shell has a lock tongue hole at one end corresponding to the lock tongue. The lock tongue extends into the lock tongue hole when the lock is closed.
[0020] The first clamp is held in place on one glass door; the second clamp is held in place on another glass door.
[0021] The beneficial effects of this utility model are as follows: This utility model directly connects the lock tongue to the transmission gear. Through the principle of the positioning screw moving in the elongated hole, when the transmission gear rotates, the positioning screw can drive the lock tongue to extend and retract. There is no need to set up protrusions or open grooves on the lock tongue for cooperation, which can reduce the installation space of the rear lock body and make the lock body miniaturized. Attached Figure Description
[0022] Figure 1 This is a front perspective view of the present invention;
[0023] Figure 2 This is a perspective view of the back of this utility model;
[0024] Figure 3 This is a schematic diagram of the internal structure of this utility model after the outer shell has been removed;
[0025] Figure 4 This is a schematic diagram of the gear-driven locking tongue of this utility model;
[0026] Figure 5 This is a schematic diagram of the internal structure of the shell of this utility model;
[0027] Figure 6 This is a perspective view of the glass door lock of this utility model;
[0028] Figure 7 This is a side view of the glass door lock of this utility model;
[0029] The attached diagram is labeled as follows: 1. Housing; 2. Motor; 3. Gear set; 4. Transmission gear; 5. Lock tongue; 6. Elongated hole; 7. Positioning screw; 8. Output gear; 9. Slide groove; 10. PCB board; 11. First Hall switch; 12. Second Hall switch; 13. Knob; 14. Bottom cover; 15. Battery mounting slot; 16. Reset switch; 17. Horn; 18. Front cover; 19. Card slot; 20. Rear lock body of glass door; 21. First clamping plate; 22. Front lock body; 23. Control panel; 24. Fingerprint sensor; 25. Display screen; 26. Touchpad; 27. Secondary lock rear shell; 28. Secondary lock front shell; 29. Second clamping plate; 3 0. Locking tongue hole; 51. Upper locking tongue plate; 52. Lower locking tongue plate; 53. Lock block; 54. Torsion spring seat; 55. Positioning pin; 56. Sliding guide pin; 57. Magnetic core; 31. First gear pair; 32. Second gear pair; 33. Third gear pair; 211. Front fixing plate; 212. Rear fixing plate; 291. Front connecting plate; 292. Rear connecting plate; 311. First upper gear; 312. First lower gear; 321. Second upper gear; 322. Second lower gear; 331. Third gear; 332. First face gear; 333. Second face gear; 334. Fourth gear; 41. Connecting seat; 101. Locking tongue pressure plate. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0032] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0033] like Figures 1-5 As shown, a glass door rear lock body includes a housing 1. Inside the housing 1 are a motor 2, a gear set 3, a transmission gear 4, and a latch 5. One end of the latch 5 has an elongated hole 6, through which a positioning screw 7 passes. The positioning screw 7 is connected to the transmission gear 4 and can move within the elongated hole 6. An output gear 8 is mounted on the output shaft of the motor 2, meshing with the gear set 3 to drive the transmission gear 4 to rotate. The rotation of the transmission gear 4 causes the latch 5 to extend and retract. During this extension and retraction, the positioning screw 7 slides within the elongated hole 6.
[0034] Preferably, the locking tongue 5 includes an upper locking tongue plate 51 and a lower locking tongue plate 52. Two locking blocks 53 are provided between the upper locking tongue plate 51 and the lower locking tongue plate 52. A torsion spring seat 54 is provided between the two locking blocks 53. A torsion spring is provided on the torsion spring seat 54. One end of the torsion spring abuts against the upper locking tongue plate 51 and the other end abuts against the lower locking tongue plate 52. One end of the two locking blocks 53 is movably connected to a positioning post 55.
[0035] Preferably, the lower locking tongue plate 52 is L-shaped, with an elongated hole 6 at one end of the lower locking tongue plate 52, and a sliding guide post 56 and a magnetic core 57 are also provided at one end edge of the lower locking tongue plate 52.
[0036] Preferably, the housing 1 is further provided with a groove 9, and the sliding guide post 56 is slidably connected in the groove 9.
[0037] Preferably, the housing 1 is further provided with a PCB board 10, on which a first Hall switch 11 and a second Hall switch 12 are provided. The magnetic core 57 can sense each other with the first Hall switch 11 or the second Hall switch 12 and control the motor 2 to stop rotating.
[0038] Preferably, the gear set 3 includes a first gear pair 31, a second gear pair 32, and a third gear pair 33.
[0039] The first gear pair 31 includes a first upper gear 311 and a first lower gear 312. The first upper gear 311 and the first lower gear 312 are coaxially arranged, and the first upper gear 311 meshes with the output gear 8.
[0040] The second gear pair 32 includes a second upper gear 321 and a second lower gear 322. The second upper gear 321 and the second lower gear 322 are coaxially arranged, and the second upper gear 322 meshes with the first lower gear 312.
[0041] The third gear pair 33 includes a third gear 331, which meshes with the second lower gear 322. A first face gear 332 is located at the bottom of the third gear 331, meshing with the second face gear 333. A fourth gear 334 is located at the bottom of the second face gear 333, meshing with the transmission gear 4. The third gear 331, first face gear 332, second face gear 333, and fourth gear 334 are coaxially arranged via a gear shaft, on which a spring passes. When the manual unlocking force is too great, the first face gear 332 and the second face gear 333 will disengage.
[0042] Preferably, the transmission gear 4 is provided with a connecting seat 41, and a knob 13 is inserted into the connecting seat 41 and fixed by screws.
[0043] Preferably, the bottom of the housing 1 is covered with a bottom cover 14. The bottom cover 14 is provided with a battery mounting slot 15, a knob extension hole and a reset switch extension hole. The battery mounting slot 15 is provided with a battery. The battery is electrically connected to the PCB board 10 and the motor 2. The knob 13 extends out from the knob extension hole. The PCB board 10 is also provided with a reset switch 16, which extends out from the reset switch extension hole.
[0044] Preferably, the housing 1 also includes a horn 17 and a latch plate 101. The horn 17 is electrically connected to the PCB board 10, and the latch plate 101 is located above the latch 5. Both ends of the latch plate 101 are fixed to studs inside the housing 1 by screws. The latch plate 101 can increase the stability of the latch 5 during movement.
[0045] Preferably, the device also includes a cover 18 that sits on top of the bottom cover 14. The edge of the cover 18 is provided with multiple hooks at intervals, and the bottom cover 14 has a corresponding slot 19 at each hook position. The slots 19 engage with the hooks to secure the cover 18. The cover 18 also has through holes corresponding to the knob extension hole and the reset switch extension hole, with both the reset switch and the knob extending from the through holes in the cover.
[0046] like Figure 6 and Figure 7As shown, a glass door lock includes a rear lock body 20, which is connected to a front lock body 22 via a first clamping plate 21. The front lock body 22 is equipped with a control panel 23 and a fingerprint sensor 24. A circuit board is provided inside the front lock body 22, and the circuit board is electrically connected to the PCB board 10 of the rear lock body 20. The control panel 23 is equipped with a display screen 25 and a touch panel 26. The display screen 25, the touch panel 26, and the fingerprint sensor 24 are all electrically connected to the circuit board.
[0047] The first clamping plate 21 has a front fixing plate 211 and a rear fixing plate 212. The front fixing plate 211 is fixedly installed on the back of the front lock body 22 by screws, and the rear fixing plate 212 is fixedly installed on the back of the glass door rear lock body 20 by screws.
[0048] It also includes a secondary lock rear shell 27 and a secondary lock front shell 28, which are connected by a second clamping plate 29. The second clamping plate 29 includes a front connecting plate 291 and a rear connecting plate 292. The front connecting plate 291 is fixed to the back of the secondary lock front shell 28 by screws, and the rear connecting plate 292 is fixed to the back of the secondary lock rear shell 27 by screws. The secondary lock rear shell 27 is located at one end of the glass door rear lock body 20. The secondary lock rear shell 27 is provided with a lock tongue hole 30 at one end corresponding to the lock tongue 5. The lock tongue 5 extends into the lock tongue hole 30 when the lock is closed.
[0049] The first clamp 21 is clamped onto one glass door; the second clamp 29 is clamped onto another glass door. When the two glass doors close together, the motor 2 can drive the bolt 5 to extend and lock.
[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and structure of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A rear lock body for a glass door, comprising a housing, wherein the housing contains a motor, a gear set, a transmission gear, and a lock tongue, characterized in that, One end of the locking tongue is provided with an elongated hole, and a positioning screw passes through the elongated hole. The positioning screw is connected to the transmission gear and can move within the elongated hole. The output shaft of the motor is provided with an output gear, which meshes with the gear set for transmission. The gear set can drive the transmission gear to rotate.
2. The glass door rear lock body according to claim 1, characterized in that, The locking tongue includes an upper locking tongue plate and a lower locking tongue plate. Two locking blocks are provided between the upper locking tongue plate and the lower locking tongue plate. A torsion spring seat is provided between the two locking blocks. A torsion spring is provided on the torsion spring seat. One end of the torsion spring abuts against the upper locking tongue plate and the other end abuts against the lower locking tongue plate. One end of the two locking blocks is movably connected to a positioning post.
3. The glass door rear lock body according to claim 2, characterized in that, The lower locking tongue plate is L-shaped, and the elongated hole is located at one end of the lower locking tongue plate. A sliding guide post and a magnetic core are also provided at one end edge of the lower locking tongue plate.
4. The glass door rear lock body according to claim 3, characterized in that, The housing is also provided with a sliding groove, and the sliding guide post is slidably connected in the sliding groove.
5. The glass door rear lock body according to claim 3, characterized in that, The housing also contains a PCB board, on which a first Hall switch and a second Hall switch are provided. The magnetic core can sense each other with the first Hall switch or the second Hall switch and control the motor to stop rotating.
6. The glass door rear lock body according to claim 1, characterized in that, The gear set includes a first gear pair, a second gear pair, and a third gear pair; The first gear pair includes a first upper gear and a first lower gear, which are coaxially arranged, and the first upper gear meshes with the output gear; The second gear pair includes a second upper gear and a second lower gear, which are coaxially arranged, and the second upper gear meshes with the first lower gear; The third gear pair includes a third gear, the bottom of which is provided with a first face gear, which meshes with a second face gear, and the bottom of the second face gear is provided with a fourth gear. The third gear, the first face gear, the second face gear and the fourth gear are coaxially arranged through a gear shaft, and a spring passes through the gear shaft.
7. The glass door rear lock body according to claim 5, characterized in that, The transmission gear is provided with a connecting seat, and a knob is inserted into the connecting seat and fixed by screws.
8. The glass door rear lock body according to claim 7, characterized in that, The bottom of the housing is covered with a bottom cover, which has a battery mounting slot, a knob protrusion hole and a reset switch protrusion hole. The battery mounting slot contains a battery, which is electrically connected to the PCB board and the motor. The knob protrudes from the knob protrusion hole. The PCB board is also provided with a reset switch, which protrudes from the reset switch protrusion hole.
9. The glass door rear lock body according to claim 8, characterized in that, The housing also includes a horn and a latch plate. The horn is electrically connected to the PCB board, and the latch plate is located above the latch. Both ends of the latch plate are fixed to studs inside the housing by screws. It also includes a cover that covers the bottom cover. The edge of the cover is provided with multiple hooks at intervals. The bottom cover is provided with a slot corresponding to the position of each hook. The slot and the hook cooperate to fix the cover.
10. A glass door lock, characterized in that, The glass door rear lock body includes any one of claims 1-9, wherein the glass door rear lock body is connected to a front lock body via a first clamping plate, the front lock body is provided with a control panel and a fingerprint sensor, the front lock body is provided with a circuit board, the circuit board is electrically connected to the PCB board of the glass door rear lock body, the control panel is provided with a display screen and a touch panel; the display screen, touch panel and fingerprint sensor are all electrically connected to the circuit board. The first clamping plate has a front fixing plate and a rear fixing plate. The front fixing plate is fixedly installed on the back of the front lock body by screws, and the rear fixing plate is fixedly installed on the back of the rear lock body of the glass door by screws. It also includes a secondary lock rear shell and a secondary lock front shell, which are connected by a second clamping plate. The second clamping plate includes a front connecting plate and a rear connecting plate. The front connecting plate is fixed to the back of the secondary lock front shell by screws, and the rear connecting plate is fixed to the back of the secondary lock rear shell by screws. The secondary lock rear shell is located at one end of the glass door rear lock body. The secondary lock rear shell has a lock tongue hole at one end corresponding to the lock tongue. The lock tongue extends into the lock tongue hole when the lock is closed. The first clamp is held in place on one glass door; the second clamp is held in place on another glass door.