CN219864523U - Door fitting and rope transmission lockset comprising same - Google Patents

Abstract

The utility model discloses a door fitting and a rope transmission lockset comprising the same. The door fitting includes: a housing; the first gear and the second gear are rotatably arranged on the shell and are meshed; the first rack is meshed with the first gear; the second rack is meshed with the second gear; the first rack and the second rack can move between an unlocking position and a locking position under the drive of the first gear and the second gear, and the first rack and the second rack are used for being in one-to-one corresponding transmission connection with the two transmission ropes. Therefore, a user can drive the transmission rope by rotating the first gear or the second gear, and compared with the linear driving operation mode, the rotary driving operation mode is more labor-saving and more convenient; importantly, the gear rack transmission mechanism has the advantages of compact and exquisite structure and easy production, so that the whole occupied space and the production cost of the door fittings are small.

Description

Door fitting and rope transmission lockset comprising same

Technical Field

The utility model relates to the technical field of door and window hardware accessories, in particular to a door accessory and a rope transmission lockset comprising the door accessory.

Background

The lock generally comprises a door fitting, a transmission part and a lock core assembly, wherein the door fitting is used for being operated by a user, the transmission part moves when the door fitting is applied with force, the transmission part is connected with the lock core assembly in a transmission mode, the lock core assembly can be switched between a locking state and an unlocking state under the action of the transmission part, the types of the lock are quite different, and the requirements of various application occasions on the lock are different.

There are some rope-driven locks which set the lock core assembly at the upper side or the lower side of the door leaf, thereby achieving the effect of moving the lock tongue of the lock core assembly out of the line of sight of the user, and because the distance between the door fitting and the lock core assembly is large, the driving member needs to be a flexible driving rope, so as to connect the door fitting and the lock core assembly through the driving rope, the user can provide a force pulling the driving rope in the vertical direction when applying force to the door fitting, the driving rope can be pulled to drive the lock core assembly to move, however, the existing door fitting for pulling the driving rope usually needs the user to drive in a straight line, which is laborious and inconvenient in operation.

Disclosure of Invention

In order to overcome at least one defect in the prior art, the utility model provides a door fitting and a rope transmission lockset comprising the door fitting, and aims to solve the problem that the existing door fitting for pulling a transmission rope needs linear driving by a user, and the operation is more labor-saving and convenient.

The utility model adopts the technical proposal for solving the problems that:

a door fitting, comprising: a housing; the first gear and the second gear are rotatably arranged on the shell, and are meshed; a first rack engaged with the first gear; a second rack engaged with the second gear; the first rack and the second rack can move between an unlocking position and a locking position under the drive of the first gear and the second gear, and the first rack and the second rack are used for being in one-to-one corresponding transmission connection with two transmission ropes.

According to the door fitting, the first gear, the second rack, the first rack and the second rack form the gear-rack transmission mechanism, namely, the rotation of the first gear and the second gear can be converted into the linear motion of the first rack and the second rack, so that a force for pulling the transmission rope is provided in the vertical direction; on the one hand, a user can drive the transmission rope by rotating the first gear or the second gear, and compared with the linear driving operation mode, the rotary driving operation mode is more labor-saving and more convenient; on the other hand, the lock cylinder assemblies respectively arranged on the upper side of the door leaf and the lower side of the door leaf can be driven simultaneously, and the lock cylinder assemblies arranged on the upper side of the door leaf or the lower side of the door leaf can be driven independently so as to adapt to different use requirements; more importantly, the gear rack transmission mechanism has the advantages of compact and exquisite structure and easy production, so that the whole occupied space and the production cost of the door fittings are smaller.

According to some embodiments of the utility model, the second gear comprises a first gear ring and a second gear ring which are sequentially arranged in the axial direction, an avoidance space for avoiding the first gear rack is formed between the first gear ring and the second gear ring, the first gear ring is meshed with the first gear, and the second gear ring is meshed with the second gear rack.

According to some embodiments of the utility model, the first rack and the second rack are stacked.

According to some embodiments of the utility model, the door fitting further comprises a door handle connected to the first gear or the second gear, the door handle being for driving the first gear or the second gear in rotation.

According to some embodiments of the utility model, the door fitting further comprises a driving gear rotatably arranged on the shell, the driving gear is meshed with the first gear or the second gear, the door handle is fixed on the driving gear to drive the driving gear to rotate, and the driving gear can rotate between a first position and a second position under the drive of the door handle; when the driving gear rotates to the first position, the first rack and the second rack move to the unlocking position; when the driving gear rotates to the second position, the first rack and the second rack move to the locking position.

According to some embodiments of the utility model, the door fitting further comprises a rotating block and a limiting piece, the rotating block being fixedly connected to the driving gear; the driving gear is characterized in that a first limiting structure is arranged on the periphery of the rotating block, when the driving gear rotates to the first position, the limiting piece can be abutted with the first limiting structure so that the driving gear is kept at the first position, and/or a second limiting structure is arranged on the periphery of the rotating block, and when the driving gear rotates to the second position, the limiting piece can be abutted with the second limiting structure so that the driving gear is kept at the second position.

According to some embodiments of the utility model, the door fitting further comprises an elastic member configured to elastically drive the stopper against the first stopper structure or the second stopper structure.

According to some embodiments of the utility model, the housing is provided with a guide structure for guiding the sliding movement of the first rack and the second rack.

According to some embodiments of the utility model, the guide structure is a guide protrusion, a first guide rail is arranged on the first rack, a second guide rail is arranged on the second rack, and the first guide rail and the second guide rail can be respectively in sliding fit with the guide protrusion.

According to some embodiments of the utility model, the first rack is provided with a first projection for connecting one of the drive strings and/or the second rack is provided with a second projection for connecting the other of the drive strings.

The rope transmission lockset comprises a transmission rope and a lock core assembly, and further comprises the door accessory, wherein the first rack and the second rack slide between the unlocking position and the locking position to drive the transmission rope, the transmission rope is in transmission connection with the lock core assembly, and the lock core assembly can be switched between an unlocking state and a locking state under the driving of the transmission rope.

Drawings

FIG. 1 is a schematic view of a door fitting (first and second racks in an unlocked position) according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of a door fitting (first and second racks in a locked position) according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the internal structure of FIG. 3;

FIG. 5 is a schematic perspective view of a door fitting according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

fig. 7 is a schematic structural diagram of a rope-driven lock according to an embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

door fitting-100, 11-first gear, 12-second gear, 121-first gear ring, 122-second gear ring, 123-avoidance space, 13-drive gear, 14-first rack, 141-first guide rail, 142-first bump, 15-second rack, 151-second guide rail, 152-second bump, 16-housing, 161-guide structure, 17-door handle, 18-turning block, 181-first limit structure, 182-second limit structure, 19-limit, 20-elastic member, 21-drive cord, 22-lock cylinder assembly, 23-door leaf.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, the present utility model discloses a door fitting 100, which comprises a housing 16, a first gear 11, a second gear 12, a first rack 14 and a second rack 15; the first gear 11 and the second gear 12 are rotatably arranged on the shell 16, and the first gear 11 and the second gear 12 are meshed; a first rack 14 engaged with the first gear 11; a second rack 15 engaged with the second gear 12; the first rack 14 and the second rack 15 can move between an unlocking position and a locking position under the driving of the first gear 11 and the second gear 12, and the first rack 14 and the second rack 15 are used for being in one-to-one corresponding transmission connection with two transmission ropes 21.

As such, when the user rotates one of the first gear 11 and the second gear 12 clockwise, the other of the first gear 11 and the second gear 12 rotates counterclockwise; when the user rotates one of the first gear 11 and the second gear 12 counterclockwise, the other of the first gear 11 and the second gear 12 rotates clockwise; in this way, the first rack 14 and the second rack 15 are driven by the first gear 11 and the second gear 12 to move in opposite directions, the first rack 14 may be used to drive one driving rope 21, and the second gear 12 may be used to drive the other driving rope 21, that is, the first rack 14 and the second rack 15 may drive the driving ropes 21 located above and below respectively in a one-to-one correspondence manner, so as to drive the lock cylinder assemblies 22 disposed on the upper side of the door leaf 23 and the lower side of the door leaf 23 to switch between the unlocked state and the locked state.

By adopting the scheme, the first gear 11, the second gear 15, the first gear 14 and the second gear 15 form a gear-rack transmission mechanism, namely, the rotation of the first gear 11 and the second gear 12 can be converted into the linear motion of the first gear 14 and the second gear 15, so that a force for pulling the transmission rope 21 is provided in the vertical direction; on the one hand, the user can rotate the first gear 11 or the second gear 12 to drive the driving rope 21, and compared with the linear driving operation mode, the rotary driving operation mode is more labor-saving and more convenient; on the other hand, the lock cylinder assemblies 22 respectively arranged on the upper side of the door leaf 23 and the lower side of the door leaf 23 can be driven simultaneously, and the lock cylinder assemblies 22 arranged on the upper side of the door leaf 23 or the lower side of the door leaf 23 can be driven independently so as to adapt to different use requirements; more importantly, the above-described composed rack and pinion transmission mechanism also has advantages of compact and exquisite structure and easy production, so that the overall occupation space and production cost of the door fitting 100 can be made smaller.

As shown in fig. 2, 4 and 6, preferably, in the embodiment, the first rack gear 14 and the second rack gear 15 are stacked to further reduce the overall occupied space of the door fitting 100, preferably, in order to avoid the problem of interference between the second gear 12 and the first rack gear 14, the second gear 12 includes a first gear ring 121 and a second gear ring 122 sequentially disposed in an axial direction, an avoidance space 123 for avoiding the first rack gear 14 is formed between the first gear ring 121 and the second gear ring 122, the first gear ring 121 is engaged with the first gear 11, and the second gear ring 122 is engaged with the second rack gear 15.

As shown in fig. 1 and 3, in particular, in order to drive the first gear 11 or the second gear 12 to rotate, the door fitting 100 further includes a door handle 17, and the door handle 17 may be directly or indirectly connected to the first gear 11 or the second gear 12.

As shown in fig. 2, 4, 5 and 6, preferably, in this embodiment, in order to have enough space for installation and rotation of the door handle 17, the door fitting 100 further includes a driving gear 13, the door handle 17 is indirectly connected to the first gear 11 through the driving gear 13, specifically, the driving gear 13 is rotatably disposed on the housing 16, the driving gear 13 is meshed with the first gear 11, the door handle 17 is fixed to the driving gear 13 to drive the driving gear 13 to rotate, and the driving gear 13 can rotate between the first position and the second position under the driving of the door handle 17; thus, as the driving gear 13, the first gear 11 and the second gear 12 are sequentially meshed for transmission, when the driving gear 13 rotates to the first position, the first rack 14 and the second rack 15 can move to the unlocking position under the driving of the first gear 11 and the second gear 12, and when the driving gear 13 rotates to the second position, the first rack 14 and the second rack 15 can move to the locking position under the driving of the first gear 11 and the second gear 12. In some other embodiments, the door handle 17 may be indirectly connected to the second gear 12 through the driving gear 13, and may be selected according to actual requirements.

Further, in the present embodiment, the door fitting 100 further includes a rotating block 18 and a limiting member 19, the rotating block 18 is fixedly connected to the driving gear 13 and rotates coaxially with the driving gear 13; the first limiting structure 181 and the second limiting structure 182 are disposed on the peripheral side of the rotating block 18, when the driving gear 13 rotates to the first position, the limiting member 19 can abut against the first limiting structure 181 to keep the driving gear 13 at the first position so as to keep the lock cylinder assembly 22 in the unlocking state, and when the driving gear 13 rotates to the second position, the limiting member 19 can abut against the second limiting structure 182 to keep the driving gear 13 at the second position so as to keep the lock cylinder assembly 22 in the locking state.

Specifically, in the present embodiment, the first limiting structure 181 is a first limiting notch, and the second limiting structure 182 is a second limiting notch. Indeed, in some other embodiments, the first limiting structure 181 and the second limiting structure 182 may be, but not limited to, limiting protrusions, and the first limiting structure 181 and the second limiting structure 182 may be alternatively disposed on the rotating block 18, and may be selected according to practical requirements.

Preferably, in the present embodiment, the door fitting 100 further includes an elastic member 20, the elastic member 20 is configured to elastically drive the limiting member 19 to abut against the first limiting structure 181 or the second limiting structure 182, specifically, one end of the elastic member 20 is fixed to the housing 16, the other end of the elastic member 20 is connected to the limiting member 19, the limiting member 19 can always abut against a peripheral sidewall of the rotating block 18 under the action of the elastic member 20, when the driving gear 13 rotates to the first position, the limiting member 19 can be clamped in a first limiting gap of the rotating block 18 under the action of the elastic member 20, and when the rotating block 18 rotates to the second position, the limiting member 19 can be clamped in the first limiting gap of the rotating block 18 under the action of the elastic member 20.

Preferably, in the present embodiment, the housing 16 is provided with a guiding structure 161, and the guiding structure 161 is used for guiding the sliding of the first rack 14 and the second rack 15, so as to avoid the problem of sliding dislocation of the first rack 14 and the second rack 15. Preferably, the guiding structure 161 is a guiding protrusion, the first rack 14 is provided with a first guiding rail 141, the second rack 15 is provided with a second guiding rail 151, the first guiding rail 141 and the second guiding rail 151 can be respectively in sliding fit with the guiding protrusion, the structure is simple, the occupied space is small, the function implementation is easy, and the production cost is low. Specifically, the first guide rail 141 and the second guide rail 151 are elongated waist-shaped holes, and the first guide rail 141 and the second guide rail 151 are slidably sleeved on the guide protrusions.

Preferably, in the present embodiment, the first rack 14 is provided with a first bump 142 for connecting one driving rope 21 thereof, and the second rack 15 is provided with a second bump 152 for connecting the other driving rope 21; the first protruding block 142 can slide along the first rack 14 in the same direction, the second protruding block 152 can slide along the second rack 15 in the same direction, and the purpose of adjusting the assembly positions of the two driving ropes 21 can be achieved by utilizing the first protruding block 142 and the second protruding block 152 so as to adapt to different use environments and enable the structural arrangement to be more reasonable; specifically, the first and second protrusions 142 and 152 are disposed opposite to each other, the first and second protrusions 142 and 152 are provided with connection slots for connecting the driving rope 21, and the first and second protrusions 142 and 152 can be close to or far from each other under the driving of the first and second racks 14 and 15

As shown in fig. 7, the present utility model further provides a rope-driven lockset, which comprises a driving rope 21 and a lock cylinder assembly 22, and further comprises a door fitting 100 as described above, wherein the lock cylinder assembly 22 is arranged on the upper side and the lower side of the door leaf 23 to move the lock tongue out of the line of sight of a user, the first rack 14 and the second rack 15 can slide between an unlocking position and a locking position to drive the driving rope 21 respectively located above and below in a one-to-one correspondence manner, the driving rope 21 is in driving connection with the lock cylinder assembly 22, and the lock cylinder assembly 22 can be switched between the unlocking state and the locking state under the driving of the driving rope 21. Specifically, when the plug assembly 22 is in the closed state, the locking tongue thereof may be extended for abutment with the upper jamb or the lower jamb, and the locking of the door leaf 23 is achieved by the frictional force generated by the pressure.

It should be noted that, in some other embodiments, the lock cylinder assembly 22 may be disposed only on one of the upper side of the door leaf 23 and the lower side of the door leaf 23, so that the first rack 14 may not be connected to the driving rope 21, or the second rack 15 may not be connected to the driving rope 21, which is selected according to practical requirements.

In summary, the door fitting 100 and the rope transmission lock including the door fitting 100 disclosed by the utility model at least can bring the following beneficial technical effects:

1) The user can drive the transmission rope 21 by rotating the first gear 11 or the second gear 12, and compared with the linear driving operation mode, the rotary driving operation mode is more labor-saving and more convenient;

2) The lock cylinder assemblies 22 respectively arranged on the upper side of the door leaf 23 and the lower side of the door leaf 23 can be driven simultaneously, and the lock cylinder assemblies 22 arranged on the upper side of the door leaf 23 or the lower side of the door leaf 23 can be driven independently so as to adapt to different use requirements;

3) The combined gear-rack transmission mechanism has the advantages of compact and exquisite structure and easy production, so that the whole occupied space and production cost of the door fitting 100 are smaller;

4) The arrangement of the driving gear 13 ensures that there is enough space for the door handle 17 to be installed and rotated;

5) The setting of the limiting piece 19, the first limiting structure 181 and the second limiting structure 182 can keep the position of the driving gear 13 so as to keep the lock cylinder assembly 22 in an unlocking state or a locking state, thereby meeting the requirement of users on convenience.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. Door fitting, its characterized in that includes:

a housing (16);

a first gear (11) and a second gear (12) rotatably provided to the housing (16), the first gear (11) and the second gear (12) being engaged;

a first rack (14) engaged with the first gear (11);

a second rack (15) engaged with the second gear (12);

under the drive of the first gear (11) and the second gear (12), the first rack (14) and the second rack (15) move reversely, the first rack (14) and the second rack (15) can move between an unlocking position and a locking position, and the first rack (14) and the second rack (15) are in one-to-one corresponding transmission connection with two transmission ropes (21).

2. The door fitting according to claim 1, characterized in that the second gear (12) includes a first ring gear (121) and a second ring gear (122) that are disposed in order in an axial direction, a avoidance space (123) for avoiding the first rack (14) is formed between the first ring gear (121) and the second ring gear (122), the first ring gear (121) is meshed with the first gear (11), and the second ring gear (122) is meshed with the second rack (15).

3. Door fitting according to claim 2, wherein the first rack (14) and the second rack (15) are arranged in a stacked arrangement.

4. A door fitting according to any of claims 1-3, characterized in that the door fitting (100) further comprises a door handle (17), the door handle (17) being connected to the first gear (11) or the second gear (12), the door handle (17) being adapted to drive the first gear (11) or the second gear (12) in rotation.

5. The door fitting according to claim 4, wherein the door fitting (100) further comprises a driving gear (13), the driving gear (13) is rotatably arranged on the housing (16), the driving gear (13) is meshed with the first gear (11) or the second gear (12), the door handle (17) is fixed on the driving gear (13) to drive the driving gear (13) to rotate, and the driving gear (13) can rotate between a first position and a second position under the drive of the door handle (17);

when the driving gear (13) rotates to the first position, the first rack (14) and the second rack (15) move to the unlocking position; when the driving gear (13) rotates to the second position, the first rack (14) and the second rack (15) move to the locking position.

6. The door fitting according to claim 5, characterized in that the door fitting (100) further comprises a turning block (18) and a stop (19), the turning block (18) being fixedly connected to the driving gear (13);

the driving gear (13) rotates to the first position, the limiting piece (19) can be abutted with the first limiting structure (181) to enable the driving gear (13) to be kept at the first position, and/or a second limiting structure (182) is arranged on the periphery of the rotating block (18), and when the driving gear (13) rotates to the second position, the limiting piece (19) can be abutted with the second limiting structure (182) to enable the driving gear (13) to be kept at the second position.

7. The door fitting according to claim 6, wherein the door fitting (100) further comprises an elastic member (20), the elastic member (20) being configured to elastically drive the stopper (19) against the first stopper structure (181) or the second stopper structure (182).

8. Door fitting according to claim 1, characterized in that the housing (16) is provided with a guide structure (161), which guide structure (161) is used for guiding the sliding of the first rack (14) and the second rack (15).

9. The door fitting according to claim 8, wherein the guiding structure (161) is a guiding protrusion, a first guiding rail (141) is provided on the first rack (14), a second guiding rail (151) is provided on the second rack (15), and the first guiding rail (141) and the second guiding rail (151) can be slidably matched with the guiding protrusion respectively.

10. Rope-driven lockset, characterized by comprising a driving rope (21) and a lock cylinder assembly (22), and further comprising a door fitting (100) according to any one of claims 1-9, wherein the first rack (14) and the second rack (15) slide between the unlocking position and the locking position to drive the driving rope (21), the driving rope (21) is in driving connection with the lock cylinder assembly (22), and the lock cylinder assembly (22) can be switched between an unlocking state and a locking state under the driving of the driving rope (21).