CN218623726U

CN218623726U - Bidirectional transmission box

Info

Publication number: CN218623726U
Application number: CN202222796921.6U
Authority: CN
Inventors: 王文洪; 谢丹君
Original assignee: Shantou Chenghai Jiesen Hardware Co ltd
Current assignee: Shantou Chenghai Jiesen Hardware Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-14
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a bidirectional transmission box, which comprises a shell, a base, a left transmission strip and a right transmission strip, wherein the lower end of the shell is arranged on the base, and the shell is provided with an inner cavity; the base is provided with a guide groove in the left-right direction, the guide groove penetrates through the inner cavity of the shell, the left transmission strip is movably arranged at the left part of the guide groove, and the right end of the left transmission strip extends into the inner cavity of the shell; the right transmission strip is movably installed in the right part of guide way, and the left end of right transmission strip stretches into the inner chamber of shell, its characterized in that: the bidirectional transmission box also comprises a lock cylinder which can shift the left transmission strip or the right transmission strip to move left and right along the guide groove, and the lock cylinder is rotatably arranged in the inner cavity of the shell and is exposed out of the middle position of the front side wall of the shell; the bidirectional transmission box also comprises a linkage component which can drive the right transmission strip or the left transmission strip to move in the opposite direction under the state that the left transmission strip or the right transmission strip moves. The bidirectional transmission box can realize bidirectional transmission.

Description

Bidirectional transmission box

Technical Field

The utility model relates to a door and window makes the field, in particular to two-way transmission box.

Background

The transmission box is arranged on the window sash or the door leaf and can be matched with the lock seat on the window frame or the door frame, so that the door and the window are locked. The unidirectional transmission box comprises a base, wherein a fixing groove is formed in the inner side of the base, a first side stamping plate, a first stamping plate, a second stamping plate, a third stamping plate and a second side stamping plate are fixedly connected to the inside of the fixing groove in sequence, a fixing plate is sleeved on the outer side of the first side stamping plate, the first stamping plate, the second stamping plate, the third stamping plate and the second side stamping plate, a transmission bar is placed on the top end of the base, the transmission bar is located at the lower position of the fixing plate, mounting grooves are formed in the middle positions of the first stamping plate, the second stamping plate and the third stamping plate, a transmission rack is arranged at the top end of the transmission bar, a gear sliding groove and a limiting hole circular groove are formed in the inside of the first side stamping plate and the second side stamping plate, a gear fixing rod is arranged in the inside of the gear sliding groove, a gear fixing rod is fixedly connected to the outer side of the gear fixing rod, the outer side of the gear fixing rod is fixedly connected with a gear rack corresponding to the transmission gear, and a gear limiting hole is formed in the inside of the gear fixing rod. The transmission box can only realize one-way transmission, and has larger volume and edge distance.

Disclosure of Invention

The utility model aims to solve the technical problem that a two-way transmission box is provided, and two-way transmission can be realized to this kind of two-way transmission box.

In order to solve the technical problems, the technical scheme is as follows:

a bidirectional transmission box comprises a shell, a base, a left transmission strip and a right transmission strip, wherein the lower end of the shell is arranged on the base, and the shell is provided with an inner cavity; the base is provided with a guide groove in the left-right direction, the guide groove penetrates through the inner cavity of the shell, the left transmission strip is movably arranged at the left part of the guide groove, and the right end of the left transmission strip extends into the inner cavity of the shell; the right transmission strip is movably installed in the right part of guide way, and the left end of right transmission strip stretches into the inner chamber of shell, its characterized in that: the bidirectional transmission box also comprises a lock cylinder which can shift the left transmission strip or the right transmission strip to move left and right along the guide groove, and the lock cylinder is rotatably arranged in the inner cavity of the shell and is exposed out of the middle position of the front side wall of the shell; the bidirectional transmission box also comprises a linkage component which can drive the right transmission strip or the left transmission strip to move in the opposite direction under the condition that the left transmission strip or the right transmission strip moves.

When in use, the bidirectional transmission box is arranged on a window sash or a door leaf, the handle is connected with the lock cylinder (usually, a cylinder capable of being inserted into the lock cylinder is arranged on the handle), and the left transmission strip and the right transmission strip correspond to the lock seat on the window frame or the door frame; when the door and window needs to be opened and closed, the lock cylinder is driven to rotate through the rotating handle, the lock cylinder drives the left transmission strip or the right transmission strip to move along the guide groove, meanwhile, the left transmission strip or the right transmission strip in a moving state drives the right transmission strip or the left transmission strip to move simultaneously through the linkage assembly, and the moving directions of the right transmission strip and the left transmission strip are opposite, so that bidirectional transmission is realized; when the left transmission strip and the right transmission strip move oppositely and retract into the inner cavity of the shell, the left transmission strip and the right transmission strip are separated from the lock seat, and the door and the window are in an unlocking state; when the left transmission strip and the right transmission strip move away from each other and extend out of the inner cavity of the shell, the left transmission strip and the right transmission strip are matched with the lock seat, and the door and the window are in a locking state.

In the preferred scheme, the linkage subassembly includes gear, left rack and right rack, and the gear is rotatable to be installed in the inner chamber of shell, left rack is installed the right-hand member of left side drive strip, and right rack is installed the left end of right side drive strip, left rack and right rack set up in opposite directions to left rack and right rack mesh with the gear respectively mutually. When the left transmission strip or the right transmission strip is driven by the lock cylinder to move, the left rack or the right rack can move along with the left transmission strip or the right transmission strip, and the right rack or the left rack is driven by the gear to move, so that the left transmission strip and the right transmission strip synchronously move and the moving directions are opposite.

In a further preferred scheme, teeth of the left rack and the right rack face to the front or the back, and the left rack, the right rack and the gear are located on the same plane. By adopting the arrangement, a space with a certain height is not required to be reserved in the inner cavity of the shell for the matching of the rack and the gear, and the rack and the gear are both positioned on the same plane, so that the edge distance of the transmission box can be reduced.

In a further preferable scheme, the vertical distance between the center point of the lock cylinder and the upper edge of the side wall of the base is not more than 9mm. The vertical distance between the center point of the lock core and the side wall of the base is the edge distance of the transmission box, the edge distance of the bidirectional transmission box is small, and bidirectional transmission can be realized.

In a further preferred scheme, a left guide sleeve and a right guide sleeve are arranged in an inner cavity of the shell, the left rack extends into the left guide sleeve and can move left and right along the left guide sleeve, and the right rack extends into the right guide sleeve and can move left and right along the right guide sleeve. The guide sleeve is arranged to limit the rack, so that the rack is prevented from being dislocated and separated from the gear.

In a preferred scheme, the bidirectional transmission box further comprises a left non-base handle mounting hole, a right non-base handle mounting hole, a left handle mounting hole with a base and a right handle mounting hole with a base, wherein the left non-base handle mounting hole, the right handle mounting hole with a base, the left handle mounting hole with a base and the right handle mounting hole with a base are respectively formed in the front side wall of the shell; the left baseless handle mounting hole and the right baseless handle mounting hole are respectively positioned at the left side and the right side of the lock cylinder; the left side is taken the base handle mounting hole to be in the left side of no base handle mounting hole, and the right side is taken the base handle mounting hole to be in the right side of no base handle mounting hole. The two-way transmission box can be used for mounting the handle with the base by arranging two mounting holes without the base handle and two mounting holes with the base handle (the handle with the base is generally provided with two base mounting columns corresponding to the mounting holes with the base handle in position, and the two base mounting columns are generally arranged at a larger interval in order to improve the stability); meanwhile, the baseless handle can be installed without adding additional accessories (the baseless handle is generally provided with two baseless mounting columns corresponding to the positions of the mounting holes of the baseless handle, and in order to reduce the size, the interval between the two baseless mounting columns is generally smaller, such as a baseless handle disclosed in 2022 year, 1 month, 21 days and the publication number of CN 215595230U), so that the baseless handle is better applied to the doors and windows with small-margin frame shapes.

In the preferred scheme, a cylindrical shifting block is arranged on the lock cylinder, the central line of the cylindrical shifting block deviates from the rotation center of the lock cylinder, a guide groove in the vertical direction is arranged on the left transmission strip or the right transmission strip, and the cylindrical shifting block extends into the guide groove. When the lock core rotates, the left transmission strip or the right transmission strip is pushed through the cylindrical shifting block, so that the left transmission strip and the right transmission strip move along the guide groove.

In a preferred scheme, the lock cylinder is a square lock cylinder. The square lock core is provided with a square hole. Generally, the handle is provided with a square column body which can be inserted into the square hole.

In the preferred scheme, the left end of left side transmission strip is equipped with left locking post, the right-hand member of right side transmission strip is equipped with right locking post. The left locking column and the right locking column correspond to the positions of a lock seat on a window frame or a door frame, when the left transmission strip and the right transmission strip move oppositely and retract into the inner cavity of the shell, the left locking column and the right locking column are separated from contact with the lock seat, and the door and the window are in an unlocking state; when the left transmission bar and the right transmission bar move away from each other and extend out of the inner cavity of the shell, the left locking column, the right locking column and the lock seat are mutually matched, and the door and the window are in a locking state.

In the preferred scheme, both ends are installed through left retaining member, right retaining member about the shell in the guide way of base, open on the transmission strip of a left side have with left retaining member assorted left guiding hole, open on the transmission strip of a right side have with right retaining member assorted right guiding hole. By adopting the mode, the locking piece for fixing the shell can be used as a limiting piece for limiting the transmission strip, and the size of the bidirectional transmission box is reduced.

The beneficial effects of the utility model reside in that: the bidirectional transmission box can enable the right transmission strip and the left transmission strip to move in opposite directions when the handle rotates, and bidirectional transmission is achieved.

Drawings

Fig. 1 is a schematic structural view of a bidirectional transmission box in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the inside of the bidirectional transmission box in the embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

the bidirectional transmission box shown in fig. 1-2 comprises a shell 1, a base 2, a left transmission strip 3, a right transmission strip 4, a lock cylinder 5 and a linkage assembly 6, wherein a left-right guide groove 201 is formed in the base 2, the lower end of the shell 1 is installed on the base 2, the left end and the right end of the shell 1 are installed in the guide groove 201 of the base 2 through a left locking piece 7 and a right locking piece 8, the shell 1 is provided with an inner cavity, and the guide groove 201 penetrates through the inner cavity of the shell 1; the left transmission strip 3 is movably arranged at the left part of the guide groove 201, the right end of the left transmission strip 3 extends into the inner cavity of the shell 1, the left end of the left transmission strip 3 is provided with a left locking column 301, and the left transmission strip 3 is provided with a left guide hole 302 matched with the left locking piece 7; the right transmission strip 4 is movably arranged at the right part of the guide groove 201, the left end of the right transmission strip 4 extends into the inner cavity of the shell 1, the right end of the right transmission strip 4 is provided with a right locking column 401, and the right transmission strip 4 is provided with a right guide hole 402 matched with the right locking piece 8; the lock cylinder 5 is rotatably arranged in the inner cavity of the shell 1 and exposed out of the middle position of the front side wall of the shell 1, a cylindrical shifting block 501 is arranged on the lock cylinder 5, the central line of the cylindrical shifting block 501 deviates from the rotating center of the lock cylinder 5, a guide groove 303 in the vertical direction is arranged on the left transmission bar 3, and the cylindrical shifting block 501 extends into the guide groove 303; the linkage assembly 6 comprises a gear 601, a left rack 602 and a right rack 603, wherein the gear 601 is rotatably installed in the inner cavity of the shell 1, the left rack 602 is installed at the right end of the left transmission bar 3, the right rack 603 is installed at the left end of the right transmission bar 4, the left rack 602 and the right rack 603 are oppositely arranged, and the left rack 602 and the right rack 603 are respectively meshed with the gear 601.

When the bidirectional transmission box is used, the bidirectional transmission box is arranged on a window sash or a door leaf, a handle is connected with a lock cylinder 5 (generally, the lock cylinder 5 is a square lock cylinder 5, a square hole 502 is arranged on the square lock cylinder 5, a square column capable of being inserted into the square hole 502 is arranged on the handle), and a left locking column 301 and a right locking column 401 correspond to lock seats on a window frame or a door frame; when the door and window needs to be opened and closed, the lock cylinder 5 is driven to rotate by rotating the handle, the left transmission strip 3 is pushed by the cylindrical shifting block 501 when the lock cylinder 5 rotates, so that the left transmission strip 3 moves along the guide groove 201, meanwhile, the left transmission strip 3 in a moving state can move the left rack 602 along with the left transmission strip, and the right rack 603 is driven to move by the gear 601, so that the right transmission strip 4 synchronously moves and is opposite to the moving direction of the left transmission strip 3, and therefore, bidirectional transmission is achieved; when the left transmission bar 3 and the right transmission bar 4 move in opposite directions and retract into the inner cavity of the shell 1, the left locking column 301 and the right locking column 401 are separated from the lock seat, and the door and window are in an unlocking state; when the left transmission bar 3 and the right transmission bar 4 move away from each other and extend out of the inner cavity of the shell 1, the left locking column 301 and the right locking column 401 are matched with the lock base, and the door and window is in a locking state.

The teeth of the left rack 602 face forward, the teeth of the right rack 603 face backward, and the left rack 602, the right rack 603 and the gear 601 are on the same plane. By adopting the arrangement, a space with a certain height is not required to be reserved in the inner cavity of the shell 1 for the matching of the rack and the gear 601, and the rack and the gear 601 are both positioned on the same plane, so that the edge distance of the transmission box can be reduced.

The vertical distance between the center point of the lock core 5 and the upper edge of the side wall of the base 2 is 9mm. The vertical distance between the center point of the lock core 5 and the side wall of the base 2 is the edge distance of the transmission box, the edge distance of the bidirectional transmission box is small, and bidirectional transmission can be realized.

A left guide sleeve 101 and a right guide sleeve (not visible in the figure) are arranged in the inner cavity of the shell 1, a left rack 602 extends into the left guide sleeve 101 and can move left and right along the left guide sleeve 101, and a right rack 603 extends into the right guide sleeve and can move left and right along the right guide sleeve. The guide sleeve is arranged to limit the rack, so that the rack is prevented from being dislocated and separated from the gear 601.

The bidirectional transmission box further comprises a left baseless handle mounting hole 102, a right baseless handle mounting hole 103, a left baseless handle mounting hole 104 and a right baseless handle mounting hole 105, wherein the left baseless handle mounting hole 102, the right baseless handle mounting hole 103, the left baseless handle mounting hole 104 and the right baseless handle mounting hole 105 are respectively formed in the front side wall of the shell 1; the left baseless handle mounting hole 102 and the right baseless handle mounting hole 103 are respectively positioned at the left side and the right side of the lock cylinder 5; the left baseless handle mounting hole 104 is on the left side of the left baseless handle mounting hole 102 and the right baseless handle mounting hole 105 is on the right side of the right baseless handle mounting hole 103. The two-way transmission box can be used for installing the handle with the base 2 by arranging two handle installation holes without the base 2 and two handle installation holes with the base 2; meanwhile, the handle without the base 2 can be installed without additionally adding other accessories, so that the handle can be better applied to the small-margin frame type door and window.

Claims

1. A bidirectional transmission box comprises a shell, a base, a left transmission strip and a right transmission strip, wherein the lower end of the shell is arranged on the base, and the shell is provided with an inner cavity; the base is provided with a guide groove in the left-right direction, the guide groove penetrates through the inner cavity of the shell, the left transmission strip is movably arranged at the left part of the guide groove, and the right end of the left transmission strip extends into the inner cavity of the shell; the right transmission strip is movably installed in the right part of guide way, and the left end of right transmission strip stretches into the inner chamber of shell, its characterized in that: the bidirectional transmission box also comprises a lock cylinder which can shift the left transmission strip or the right transmission strip to move left and right along the guide groove, and the lock cylinder is rotatably arranged in the inner cavity of the shell and is exposed out of the middle position of the front side wall of the shell; the bidirectional transmission box also comprises a linkage component which can drive the right transmission strip or the left transmission strip to move in the opposite direction under the state that the left transmission strip or the right transmission strip moves.

2. A bi-directional transmission case as recited in claim 1, wherein: the linkage assembly comprises a gear, a left rack and a right rack, the gear is rotatably installed in an inner cavity of the shell, the left rack is installed at the right end of the left transmission strip, the right rack is installed at the left end of the right transmission strip, the left rack and the right rack are oppositely arranged, and the left rack and the right rack are respectively meshed with the gear.

3. A bi-directional transmission case as recited in claim 2, wherein: the teeth of the left rack and the right rack face to the front or the back, and the left rack, the right rack and the gear are positioned on the same plane.

4. A bi-directional transmission case as set forth in claim 3, wherein: the vertical distance between the center point of the lock core and the upper edge of the side wall of the base is not more than 9mm.

5. A bi-directional transmission case as recited in claim 2, wherein: the inner cavity of the shell is internally provided with a left guide sleeve and a right guide sleeve, the left rack extends into the left guide sleeve and can move left and right along the left guide sleeve, and the right rack extends into the right guide sleeve and can move left and right along the right guide sleeve.

6. A bi-directional transmission case as recited in claim 1, wherein: the bidirectional transmission box also comprises a left non-base handle mounting hole, a right non-base handle mounting hole, a left base-equipped handle mounting hole and a right base-equipped handle mounting hole, wherein the left non-base handle mounting hole, the right non-base handle mounting hole, the left base-equipped handle mounting hole and the right base-equipped handle mounting hole are respectively formed in the front side wall of the shell; the left baseless handle mounting hole and the right baseless handle mounting hole are respectively positioned at the left side and the right side of the lock cylinder; the left handle mounting hole with the base is positioned on the left side of the left handle mounting hole without the base, and the right handle mounting hole with the base is positioned on the right side of the right handle mounting hole without the base.

7. A bi-directional transmission case as recited in claim 1, wherein: the lock core is provided with a cylindrical shifting block, the central line of the cylindrical shifting block deviates from the rotation center of the lock core, the left transmission strip or the right transmission strip is provided with a guide groove in the vertical direction, and the cylindrical shifting block extends into the guide groove.

8. A bi-directional transmission case as set forth in claim 1, wherein: the lock cylinder is a square lock cylinder.

9. A bi-directional transmission case as recited in claim 1, wherein: the left end of the left transmission strip is provided with a left locking column, and the right end of the right transmission strip is provided with a right locking column.

10. A bi-directional transmission case as recited in claim 1, wherein: the shell is installed through left retaining member, right retaining member in both ends about the shell in the guide way of base, open on the transmission strip of a left side have with left retaining member assorted left guiding hole, open on the transmission strip of the right side have with right retaining member assorted right guiding hole.