Lockset with underneath-arranged handle

Abstract

The lock comprises a lock shell, an inner handle, an inner connecting shaft and a rack, the rack extends up and down, the inner handle is arranged on the lower portion of the lock shell and rotationally connected with the lock shell, driving teeth meshed with the lower end of the rack are arranged on the inner handle, and the inner connecting shaft is arranged on the upper portion of the lock shell and rotationally connected with the lock shell. The inner connecting shaft is provided with driven teeth meshed with the upper end of the rack and an inner connecting hole, and the inner connecting hole extends in the axial direction of the inner connecting shaft. The inner handle is arranged on the lower portion of the lock shell, the inner connecting shaft is arranged on the upper portion of the lock shell, the inner handle and the inner connecting shaft are in transmission connection through the driving tooth, the rack and the driven tooth, the upper space of the lock shell is released, and the display screen is arranged flexibly and diverse.

Description

TECHNICAL FIELD

[0001] The utility model relates to lock technology field especially hand lower lock. BACKGROUND

[0002] Lock is a kind of device assembled on door body to prevent thief to enter house, generally can be opened by key mechanical and / or by password electronic opening.Lock existing lock includes outer lock assembly and inner lock assembly, outer lock assembly includes the outer lock shell being arranged at the outer side of door body and the outer handle being rotatably connected on the outer lock shell, inner lock assembly includes the inner lock shell being arranged at the inner side of door body, the inner handle being rotatably connected in the middle part of inner lock shell and the display screen being arranged at the upper part of inner lock shell, and the linkage structure that inner handle and outer handle are driven synchronous rotation is arranged between inner handle and outer handle.Because inner handle is arranged in the middle part of inner lock shell, display screen is arranged at the upper part of inner lock shell, and inner handle partly shields display screen, the position and screen size of display screen are limited. SUMMARY

[0003] The utility model discloses a hand lower lock to solve the problem that the handle of the existing lock is arranged in the middle part of the lock shell, the display screen is shielded, and the position and screen size of the display screen are limited.

[0004] The utility model is realized through the following technical schemes:

[0005] Hand lower lock, including lock shell, inner handle, inner connecting shaft and rack, the rack extends up and down, the inner handle is arranged in the lower part of the lock shell and is rotatably connected with the lock shell, the inner handle is provided with the driving tooth that is engaged with the lower end of the rack, the inner connecting shaft is arranged in the upper part of the lock shell and is rotatably connected with the lock shell, the inner connecting shaft has the driven tooth that is engaged with the upper end of the rack, the inner connecting shaft has inner connecting hole, and the inner connecting hole extends along the axial direction of the inner connecting shaft.

[0006] Further, the inner handle has the main connecting shaft connected with the driving tooth, the axis of the main connecting shaft is defined as O 1 , the axis of the inner connecting shaft is defined as O 2 , the rack has upper tooth part, connecting part and lower tooth part, the connecting part extends on the connecting line of O 1 O 2 , the upper tooth part is arranged at the upper end of the connecting part and is engaged with the driven tooth, and the lower tooth part is arranged at the lower end of the connecting part and is engaged with the driving tooth.

[0007] Further, the upper tooth part and the connecting part are detachably fixedly connected, and / or the lower tooth part and the connecting part are detachably fixedly connected.

[0008] Further, the center line of the main connecting shaft and the inner connecting shaft in the up-down direction is collinear.

[0009] Further, the driving tooth is arranged on the main shaft and can rotate around the main shaft, and a bolt is threadedly connected to the main shaft to lock the driving tooth on the inner handle.

[0010] Further, the inner handle is provided with a reversing ring arranged on the main shaft, and a stop rod is arranged on the outer edge of the reversing ring, and the lock shell is provided with a reversing rod and two reversing holes, the two reversing holes are arranged at intervals in the circumferential direction of the reversing ring, and the reversing rod is detachably fixedly connected with the reversing holes, and the reversing rod abuts against the stop rod in the circumferential direction of the reversing ring to limit the rotation of the reversing ring.

[0011] Further, the lock shell is provided with a press switch and a press block, the press block can move along the lock shell to press or release the press switch, when the press block presses the press switch, the press switch is closed, and when the press block releases the press switch, the press switch is turned off.

[0012] Further, the lock shell is provided with left and right extending outer guide holes, and the press block moves along the outer guide holes to press or release the press switch.

[0013] Further, the rack can be driven by the driving tooth to move to a locking position and an unlocking position, the rack is provided with an inner guide hole and a displacement hole, the inner guide hole extends left and right, the displacement hole extends up and down and communicates with the inner guide hole, and the inner guide hole communicates with the outer guide hole to allow the press block to move in when the rack moves to the locking position; when the press block moves up and down on the rack, the press block moves along the displacement hole, and when the rack moves to the locking position, the press block can move from the displacement hole into the inner guide hole to press the press switch.

[0014] The technical scheme has the advantages that the inner handle is arranged at the lower part of the lock shell, the inner shaft is arranged at the upper part of the lock shell, the inner handle and the inner shaft are drivingly connected through the driving tooth, the rack and the driven tooth, the upper space of the lock shell is released, and the display screen can be arranged flexibly and variously. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows.

[0017] Figure 1This is a perspective view of the handle-mounted lock disclosed in the embodiment;

[0018] Figure 2 This is a rear view of the handle-down lock disclosed in the embodiment;

[0019] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0020] Figure 4 This is a partial exploded view of the handle-down lock disclosed in the embodiment;

[0021] Figure 5 yes Figure 4 A magnified view of a section at point B in the middle;

[0022] Figure 6 This is a cross-sectional view of the handle-down lock disclosed in the embodiment;

[0023] Figure 7 yes Figure 6 A magnified view of a section at point C;

[0024] Figure 8 This is a perspective view of the rack in the embodiment. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: Figures 1-8 As shown, the handle-mounted lock includes a lock housing 1, an inner handle 2, an inner connecting shaft 3, and a rack 4. The rack 4 extends vertically. The inner handle 2 is located at the lower part of the lock housing 1 and is rotatably connected to the lock housing 1. The inner handle 2 is provided with a driving tooth 5 that meshes with the lower end of the rack 4. The inner connecting shaft 3 is located at the upper part of the lock housing 1 and is rotatably connected to the lock housing 1. The inner connecting shaft 3 has a driven tooth 301 that meshes with the upper end of the rack 4. The inner connecting shaft 3 has an inner connecting hole 302 that extends axially along the inner connecting shaft 3.

[0027] The handle is located on the inside of the door, and the corresponding external lock (not shown in the figure) is located on the outside of the door. The external lock has an external handle and an internal connecting hole 302, which is a polygonal hole for inserting a polygonal connecting rod. The polygonal connecting rod is connected to the external handle to make the internal and external handles rotate synchronously.

[0028] The movement relationship of the lower handle lock is as follows: the inner handle 2 rotates, which drives the driving tooth 5 to rotate. The rotation of the driving tooth 5 drives the rack 4 to move up and down. The up and down movement of the rack 4 drives the driven tooth 301 to rotate, thereby realizing the locking and unlocking of the lock.

[0029] In summary, this embodiment provides a lock with a lower handle to solve the problem that existing locks have the handle located in the middle of the lock housing 1, which obstructs the password input screen and makes it inconvenient to press the open and close buttons, thus limiting the position and screen size. The solution is to place the inner handle 2 in the lower part of the lock housing 1 and the inner connecting shaft 3 in the upper part of the lock housing 1. The inner handle 2 and the inner connecting shaft 3 are connected by a drive gear 5, a rack 4 and a driven gear 301, which frees up the upper space of the lock housing 1 and allows for more flexible and diverse display screen settings.

[0030] In this embodiment of the invention, the inner handle 2 has a main connecting shaft 201 connected to the drive gear 5, and the axis of the main connecting shaft 201 is defined as O. 1 The axis of the inner connecting shaft 3 is defined as O. 2 The rack 4 has an upper toothed portion 401, a connecting portion 402, and a lower toothed portion 403. The connecting portion 402 is located at O 1 O 2 Extending along the connecting line, the upper toothed portion 401 is located at the upper end of the connecting portion 402 and meshes with the driven tooth 301, while the lower toothed portion 403 is located at the lower end of the connecting portion 402 and meshes with the driving tooth 5. This arrangement is achieved by configuring the rack 4 along O... 1 O 2 The connecting part 402 extending from the line, the upper tooth part 401 located at the upper end of the connecting part 402 and meshing with the driven tooth 301, and the lower tooth part 403 located at the lower end of the connecting part 402 and meshing with the driving tooth 5 make the rack 4 structure compact and reasonable, and the drive stable and smooth.

[0031] In this embodiment of the invention, the upper toothed portion 401 is detachably and fixedly connected to the connecting portion 402, and the lower toothed portion 403 is detachably and fixedly connected to the connecting portion 402. Specifically, the upper toothed portion 401 is riveted to the connecting portion 402, and the lower toothed portion 403 is riveted to the connecting portion 402. This arrangement, by configuring the upper toothed portion 401 and the connecting portion 402 as detachably and fixedly connected, facilitates the maintenance of the rack 4.

[0032] In this embodiment of the invention, the center lines of the main connecting shaft 201 and the inner connecting shaft 3 in the vertical direction are collinear. By arranging the main connecting shaft 201 and the inner connecting shaft 3 so that their center lines in the vertical direction are collinear, the driven gear 301, the rack 4, and the driving gear 5 are compactly assembled within the lock housing 1.

[0033] In the embodiment of the utility model, the driving tooth 5 is arranged on the main connecting shaft 201 and can rotate around the main connecting shaft 201, and the main connecting shaft 201 is screw connected with the bolt 202 which locks the driving tooth 5 on the inside handle 2. The above-mentioned arrangement is that the driving tooth 5 is arranged in movable connection with the main connecting shaft 201 and is locked on the inside handle 2 by the bolt 202, so that the driving tooth 5 is convenient to disassemble and maintain.

[0034] In the embodiment of the utility model, the inside handle 2 has the reversing ring 203 arranged on the main connecting shaft 201, the reversing ring 203 is provided with the stopper rod 204 on the outer edge, the lock shell 1 has the reversing rod 101 and the two reversing holes 102, the two reversing holes 102 are arranged at intervals in the circumferential direction of the reversing ring 203, the reversing rod 101 is detachably fixedly connected with the reversing hole 102, and the reversing rod 101 and the stopper rod 204 abut in the circumferential direction of the reversing ring 203 to limit the rotation of the reversing ring 203. The above-mentioned arrangement is that the reversing ring 203 is arranged on the inside handle 2, the stopper rod 204 is arranged on the reversing ring 203, the two reversing holes 102 which are arranged at intervals in the circumferential direction of the reversing ring 203 are arranged on the lock shell 1, and the reversing rod 101 is screw connected with the reversing hole 102, so that the lock can adjust the door opening direction (left door opening or right door opening) of the inside handle 2 by adjusting the position of the reversing rod 101, and the use is flexible.

[0035] In the embodiment of the utility model, the handle lower lock has a lock tongue (not marked in the drawing) and an electric control board (not marked in the drawing), the lock tongue can be inserted into or withdrawn from the insertion hole (not marked in the drawing) on the door frame (not marked in the drawing), the lock tongue is controlled by the electric control board, the lock shell 1 is provided with the press switch 6 and the press block 7, the press block 7 can move to press or release the press switch 6 along the lock shell 1, when the press block 7 presses the press switch 6, the press switch 6 is closed, when the press block 7 releases the press switch 6, the press switch 6 is disconnected, the press switch 6 is electrically connected with the electric control board, when the press switch 6 is closed, the lock tongue is controlled to be inserted into the insertion hole and locked, when the press switch 6 is disconnected, the lock tongue is controlled to be unlocked. The electric control board is the existing electric control board, and the lock tongue is controlled to be inserted into the insertion hole and locked is the prior art, which will not be repeated here. The above-mentioned arrangement is that the press switch 6 and the press block 7 which can move to press or release the press switch 6 are arranged on the lock shell 1, so that the lock tongue can be controlled to be inserted into the door frame and locked, and the anti-theft performance is good.

[0036] In the embodiment of the utility model, the lock shell 1 has the left and right extending outer guide hole 103, and the press block 7 moves to press or release the press switch 6 along the outer guide hole 103. The above-mentioned arrangement is that the left and right extending outer guide hole 103 is arranged on the lock shell 1, so that the press block 7 moves stably and smoothly.

[0037] In the embodiment of the utility model, rack 4 can be driven by driving tooth 5 to move to locking position and unlocking position, rack 4 has inner guide hole 404 and let position hole 405, inner guide hole 404 extends left and right, let position hole 405 extends up and down and communicates with inner guide hole 404, inner guide hole 404 communicates with outer guide hole 103 when rack 4 moves to locking position for pressing block 7 to move in, pressing block 7 moves along let position hole 405 when moving up and down on rack 4, pressing block 7 can move into inner guide hole 404 from let position hole 405 when rack 4 moves to locking position and presses pressing switch 6. The above-mentioned setting is configured with inner guide hole 404 and let position hole 405 that are slidably connected with pressing block 7 on rack 4, and the assembly of rack 4, pressing switch 6 and pressing block 7 is compact and reasonable.

[0038] It should be understood that the utility model adopts the terms "first", "second" and the like to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information without departing from the scope of the utility model, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0039] As described above, one or more embodiments are provided in combination with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or substitution under the concept of the utility model should be considered as the protection of the utility model.

Claims

1. A below-the-handle lock characterized in that, The lock case, the inner handle, the inner connecting shaft and the rack, the rack extends up and down, the inner handle is arranged at the lower part of the lock case and is rotationally connected with the lock case, the inner handle is provided with driving teeth which are engaged with the lower end of the rack, the inner connecting shaft is arranged at the upper part of the lock case and is rotationally connected with the lock case, the inner connecting shaft is provided with driven teeth which are engaged with the upper end of the rack, the inner connecting shaft is provided with an inner connecting hole which extends axially along the inner connecting shaft.

2. The handle-depressed lockset according to claim 1, wherein, The inner handle has a main connecting shaft connected with the driving tooth, the axis of the main connecting shaft is defined as O 1 , the axis of the inner connecting shaft is defined as O 2 , the rack has an upper tooth part, a connecting part and a lower tooth part, the connecting part extends on the connecting line of O 1 O 2 , the upper tooth part is arranged on the upper end of the connecting part and engaged with the driven tooth, and the lower tooth part is arranged on the lower end of the connecting part and engaged with the driving tooth.

3. The handle-depressed lockset according to claim 2, wherein, The upper tooth part and the connecting part are detachably fixedly connected, and / or the lower tooth part and the connecting part are detachably fixedly connected.

4. The handle-depressed lockset according to claim 2, wherein, The central lines of the main connecting shaft and the inner connecting shaft in the up-down direction are collinear.

5. The handle-depressed lockset according to claim 2, wherein, The driving teeth are arranged on the main connecting shaft and can rotate around the main connecting shaft, and the main connecting shaft is screw-connected with a bolt which locks the driving teeth on the inner handle.

6. The handle-depressed lockset according to claim 5, wherein, The inner handle is provided with a reversing ring which is arranged on the main connecting shaft, the outer edge of the reversing ring is provided with a stop rod, the lock case is provided with a reversing rod and two reversing holes, the two reversing holes are arranged at intervals in the circumferential direction of the reversing ring, the reversing rod is detachably fixedly connected with the reversing holes, and the reversing rod is limited in rotation by abutting against the stop rod in the circumferential direction of the reversing ring.

7. The handle-depressed lockset according to claim 1, wherein, The lock case is provided with a press switch and a press block, the press block can move along the lock case to press or release the press switch, the press switch is closed when the press block presses the press switch, and the press switch is opened when the press block releases the press switch.

8. The handle-depressing lockset according to claim 7, wherein, The lock case is provided with left and right extending outer guide holes, and the press block moves along the outer guide holes to press or release the press switch.

9. The handle-depressing lockset according to claim 8, wherein, The rack can be driven by the driving teeth to move to a locking position and an unlocking position, the rack is provided with an inner guide hole and a let-in hole, the inner guide hole extends left and right, the let-in hole extends up and down and communicates with the inner guide hole, and the inner guide hole communicates with the outer guide hole when the rack moves to the locking position to allow the press block to move in; The press block moves along the let-in hole when the rack moves up and down, and the press block can move from the let-in hole into the inner guide hole to press the press switch when the rack moves to the locking position.

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