CN215632227U

CN215632227U - Handle for door and window

Info

Publication number: CN215632227U
Application number: CN202122048303.9U
Authority: CN
Inventors: 王文洪; 杜先发; 吴树锨
Original assignee: Shantou Chenghai Jiesen Hardware Co ltd
Current assignee: Shantou Chenghai Jiesen Hardware Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-01-25
Anticipated expiration: 2031-08-28

Abstract

The utility model relates to a door and window handle, which comprises a base, a handle and a bar-shaped square shaft, wherein the front end of the handle is rotatably arranged on the base, and the door and window handle is characterized in that: the door and window handle further comprises a first transmission part and a second transmission part, the first transmission part is fixedly arranged at the front end of the handle, the second transmission part is rotatably arranged on the base, and the rotation axis of the second transmission part deviates from the rotation axis of the first transmission part; the first transmission component is in transmission connection with the second transmission component, and the transmission ratio of the first transmission component to the second transmission component is smaller than 1; the bar-shaped square shaft is fixedly arranged on the second transmission part, and the axis of the bar-shaped square shaft is coincided with the rotation axis of the second transmission part. The door and window handle can drive the bar-shaped square shaft to rotate at a larger angle by rotating the handle at a smaller angle, so that the door and window can be quickly and conveniently opened and closed, and the occupied installation space can be effectively reduced.

Description

Handle for door and window

Technical Field

The utility model relates to the technical field of door and window parts, in particular to a door and window handle.

Background

The door and window is the most common structure in a building, and is usually used as a room access passage and a ventilation lighting opening of the building, and the door and window structure is continuously improved along with the development of modern buildings and the improvement of user requirements. The handle is installed the opening and the locking that realize door and window on door and window as the indispensable component on the door and window.

The traditional door and window handle generally comprises a base, a handle and a strip-shaped square shaft, wherein the base is arranged on a frame of a door and window, the handle is rotatably arranged on the base, and the strip-shaped square shaft is fixedly arranged on the handle; the bar-shaped square shaft is driven to rotate by rotating the handle, so that the opening and closing of the lock tongue are driven to realize the opening and closing of the door and window. However, because bar square shaft fixed mounting is on hand, consequently, the turned angle of bar square shaft is unanimous basically with the turned angle of handle (the handle rotates many degrees promptly, and the bar square shaft just rotates how many degrees), leads to the user all to need to rotate great angle with the handle when opening and close door and window at every turn, and the operation is comparatively inconvenient, often need reserve great activity space for the handle when installing the door and window handle in addition, leads to the whole great installation space that needs to occupy of door and window handle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a door and window handle which can drive a bar-shaped square shaft to rotate at a larger angle by rotating the handle at a smaller angle, quickly and conveniently realize the opening and closing of doors and windows and can effectively reduce the occupied installation space. The technical scheme is as follows:

the utility model provides a door and window handle, includes base, handle and bar square shaft, the front end of handle is rotatable installs on the base its characterized in that: the door and window handle further comprises a first transmission part and a second transmission part, the first transmission part is fixedly arranged at the front end of the handle, the second transmission part is rotatably arranged on the base, and the rotation axis of the second transmission part deviates from the rotation axis of the first transmission part; the first transmission component is in transmission connection with the second transmission component, and the transmission ratio of the first transmission component to the second transmission component is smaller than 1; the bar-shaped square shaft is fixedly arranged on the second transmission part, and the axis of the bar-shaped square shaft is coincided with the rotation axis of the second transmission part.

Usually, the base is fixedly installed on the door and window frame, the rotation axes of the first transmission component and the second transmission component are both in front and back directions and are parallel to each other, and the front part of the strip-shaped square shaft is used as a lock cylinder and can be relatively rotatably inserted into a lock cylinder hole of the door and window frame.

The front and the back in the specification are respectively: the side close to the door and window frame is front, and the side far away from the door and window frame is back.

During the use, user's accessible rotates the handle, connects through the transmission between first drive disk assembly and the second drive disk assembly and drives the rotation of bar main part, realizes opening or locking of door and window. When rotating the handle, because the drive ratio of first drive disk assembly and second drive disk assembly is less than 1, consequently, the user only needs to rotate the handle with less angle, just can drive the bar square shaft through first drive mechanism and second drive mechanism and take place to rotate with great angle, fast, conveniently realize opening and locking of door and window, and owing to need not to reserve great activity space for the handle, can effectively reduce the installation space who occupies the door and window handle, convenience of customers designs the door and window scheme of more patterns.

Preferably, the transmission ratio of the first transmission component to the second transmission component is 0.1-0.6.

More preferably, the transmission ratio of the first transmission component to the second transmission component is 0.15. When the handle rotates 13.5 degrees around the rotation axis, the strip-shaped square shaft rotates 90 degrees, and the door and window can be quickly opened or closed.

In a preferred scheme, the front end of the handle is provided with a connecting part; the first transmission part is provided with a first arc-shaped rack and a first mounting hole, the first transmission part is fixedly mounted on the connecting part of the handle through the first mounting hole, and the center line of the first arc-shaped rack is superposed with the rotation axis of the first transmission part; the second transmission part is provided with a second arc-shaped rack and a second mounting hole, the central line of the second arc-shaped rack is superposed with the rotation axis of the second transmission part, and the second arc-shaped rack is meshed with the first arc-shaped rack; and the rear part of the strip-shaped square shaft is fixedly arranged in the second mounting hole. The central line of the first arc-shaped rack is coincident with the rotation axis of the first transmission part, namely, the first arc-shaped rack is a part of a gear taking the rotation axis of the first transmission part as a rotation center, and the central line of the second arc-shaped rack is coincident with the rotation axis of the second transmission part, namely, the second arc-shaped rack is a part of a gear taking the rotation axis of the second transmission part as a rotation center. The transmission ratio of the first arc-shaped rack to the second arc-shaped rack is the transmission ratio of the first transmission component to the second transmission component.

In a more preferable embodiment, the first transmission component includes a swing arm and the first arc-shaped rack, the first mounting hole is formed in a first end portion of the swing arm and extends in a front-back direction, the first arc-shaped rack is formed in a second end portion of the swing arm, and each tooth of the first arc-shaped rack faces the first mounting hole; the door and window handle further comprises a first rotating seat and a fixing screw, and a first circular through hole in the front-back direction is formed in the base; the rear part of the first rotating seat is sleeved in the first circular through hole, the front part of the first rotating seat is provided with an annular limiting block extending along the peripheral direction of the first rotating seat, the annular limiting block is positioned on the front side of the first circular through hole and is in contact fit with the base, the rear end surface of the first rotating seat is provided with a positioning groove, the front end surface of the first rotating seat is provided with a positioning hole moving forwards and backwards, and the rear end of the positioning hole is communicated with the positioning groove; the connecting portion of the handle penetrates through the first mounting hole and is inserted into the positioning groove, the connecting portion is provided with a fixing screw hole, and a screw rod of the fixing screw penetrates through the positioning hole and is in threaded connection with the fixing screw hole. Typically, the rear outer wall of the first rotary seat matches the inner wall of the first circular through hole. When the handle is installed, the rear part of the first rotating seat is sleeved in the first circular through hole, then the connecting part of the handle penetrates through the first installation hole from back to front and is inserted into the positioning groove of the first rotating seat, and then the fixing screw rod penetrates through the positioning hole from front to back and is in threaded connection with the fixing screw hole, so that the installation of the handle and the first transmission part can be completed; after the installation is completed, the connecting portion of the handle can rotate horizontally relative to the base through the cooperation between the first rotating seat and the first circular through hole, and the swinging arm of the first transmission part and the first arc-shaped rack swing horizontally relative to the base under the driving of the connecting portion of the handle.

In order to easily change the opening direction of the handle during production, in a further more preferable scheme, the cross section of the connecting part of the handle is square, and the first mounting hole is an octagonal hole formed by two square through holes which are the same in size and are arranged in a staggered mode (for example, the two square through holes are staggered by 45 degrees); the two square through holes are matched with the connecting part of the handle. When the handle is installed, the connecting part of the handle can be inserted into one square through hole for fixing.

In further more preferred scheme, the door and window handle still includes that the nylon is inserted, and the nylon is inserted and is installed on the base and be in first arc rack is kept away from one side of first mounting hole, first arc rack is equipped with the joint groove on the lateral wall that the nylon was inserted, the nylon is inserted and is equipped with two at least joint pieces that can with joint groove joint complex. Along with the rotation of handle, relative movement takes place between first transmission piece and the nylon are inserted, and the joint cooperation can be realized with corresponding joint piece in the joint groove on the first arc rack in different positions, makes the handle have obvious location sense at the rotation in-process.

In a more preferable scheme, the second transmission part comprises a second cylindrical rotating seat and a second arc-shaped rack, and the front part of the second rotating seat is rotatably mounted on the base; the second mounting hole is formed in the front end face of the second transmission part and is in the front-back direction; the second arc-shaped rack is arranged on the circumferential surface of the rear part of the second transmission part. Generally, the cross-sectional shape and the size of the second mounting hole are matched with the rear part of the strip-shaped square shaft.

In the preferred scheme, door and window handle still includes the shroud, base, first drive disk assembly, second drive disk assembly all set up the inboard at the shroud, the handle sets up the rear side at the shroud. Therefore, the overall appearance of the door and window handle is more attractive.

In a more preferable scheme, a third mounting hole is formed in the cover cap, a nylon gasket is mounted in the third mounting hole, and the nylon gasket is provided with a second circular through hole in the front-back direction; the edge of the rear end opening of the first mounting hole is provided with a circular convex ring protruding backwards, and the circular convex ring is sleeved in a second circular through hole of the nylon gasket. With this arrangement, the cover, the first transmission member and the handle can be more tightly and stably engaged with each other.

When the door and window handle is used, a user can rotate the handle and drive the strip-shaped main body to rotate through the transmission connection between the first transmission part and the second transmission part, so that the opening or the locking of a door and a window is realized. When rotating the handle, because the drive ratio of first drive disk assembly and second drive disk assembly is less than 1, consequently, the user only needs to rotate the handle with less angle, just can drive the bar square shaft through first drive mechanism and second drive mechanism and take place to rotate with great angle, realizes opening and locking of door and window fast, conveniently to owing to need not to reserve great activity space for the handle, can effectively reduce the installation space who occupies, convenience of customers designs the door and window scheme of more patterns.

Drawings

Fig. 1 is a schematic structural view of a door and window handle according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of the door and window handle of fig. 1.

Detailed Description

As shown in fig. 1 and 2, the door and window handle comprises a base 1, a handle 2, a bar-shaped square shaft 3, a first transmission part 4 and a second transmission part 5; the front end of the handle 2 is rotatably arranged on the base 1, and the front end of the handle 2 is provided with a connecting part 21; the first transmission component 4 is provided with a first arc-shaped rack 41 and a first mounting hole 401, the first transmission component 4 is fixedly mounted on the connecting part 21 of the handle 2 through the first mounting hole 401, and the central line of the first arc-shaped rack 41 is coincided with the rotation axis of the first transmission component 4; the second transmission part 5 is rotatably arranged on the base 1, the rotation axis of the second transmission part 5 deviates from the rotation axis of the first transmission part 4, the second transmission part 5 is provided with a second arc-shaped rack 51 and a second mounting hole 501, the central line of the second arc-shaped rack 51 is coincided with the rotation axis of the second transmission part 5, the second arc-shaped rack 51 is meshed with the first arc-shaped rack 41, and the transmission ratio of the first arc-shaped rack 41 to the second arc-shaped rack 51 is smaller than 1; the rear part of the bar-shaped square shaft 3 is fixedly installed in the second installation hole 501, and the axis of the bar-shaped square shaft 3 coincides with the rotation axis of the second transmission part 5.

In the present embodiment, the transmission ratio of the first arc-shaped rack 41 to the second arc-shaped rack 51 is 0.15.

In the present embodiment, the first transmission member 4 includes a first arc-shaped rack 41 and a swing arm 42, the first mounting hole 401 is disposed on a first end portion of the swing arm 42 and runs forward and backward, the first arc-shaped rack 41 is disposed on a second end portion of the swing arm 42, and each tooth of the first arc-shaped rack 41 faces the first mounting hole 401; the door and window handle further comprises a first rotary seat 6 and a fixing screw 7, a first circular through hole 101 in the front-back direction is formed in the base 1, the rear portion of the first rotary seat 6 is sleeved in the first circular through hole 101 and matched with the inner wall of the first circular through hole 101, an annular limiting block 61 extending along the outer circumferential direction of the first rotary seat 6 is arranged at the front portion of the first rotary seat 6, the annular limiting block 61 is arranged on the front side of the first circular through hole 101 and is in contact fit with the base 1, a positioning groove 601 is formed in the rear end face of the first rotary seat 6, a positioning hole 602 in the front-back direction is formed in the front end face of the first rotary seat 6, and the rear end of the positioning hole 602 is communicated with the positioning groove 601; the connecting portion 21 of the handle 2 passes through the first mounting hole 401 and is inserted into the positioning slot 601, the connecting portion 21 is provided with a fixing screw hole 2101, and the screw of the fixing screw 7 passes through the positioning hole 602 and is in threaded connection with the fixing screw hole 2101. When the handle 2 is installed, the rear part of the first rotating seat 6 is sleeved in the first circular through hole 101, then the connecting part 21 of the handle 2 penetrates through the first installation hole 401 from back to front and then is inserted into the positioning groove 601 of the first rotating seat 6, and then the screw rod of the fixing screw 7 penetrates through the positioning hole 602 from front to back and then is in threaded connection with the fixing screw hole 2101, so that the installation of the handle 2 and the first transmission part 4 is completed; after the installation is completed, the connecting portion 21 of the handle 2 can horizontally rotate relative to the base 1 through the cooperation between the first rotating seat 6 and the first circular through hole 101, and the swing arm 42 and the first arc-shaped rack 41 of the first transmission component 4 are driven by the connecting portion 21 of the handle 2 to horizontally swing relative to the base 1.

In order to easily change the opening direction of the handle 2 during production, in the present embodiment, the cross-sectional shape of the connecting portion 21 of the handle 2 is square, and the first mounting hole 401 is an octagonal hole formed by two square through holes 4011 which have the same size and are arranged in a staggered manner (for example, staggered by 45 degrees from each other); both the square through holes 4011 are matched with the connection part 21 of the handle 2. When the handle 2 is installed, the connecting portion 21 of the handle can be inserted into one of the square through holes 4011 for fixing.

In this embodiment, the door and window handle still includes that nylon inserts 8, and nylon inserts 8 and installs on base 1 and be in the one side that first arc rack 41 kept away from first mounting hole 401, and first arc rack 41 is equipped with joint groove 411 towards the lateral wall that nylon inserted 8, and nylon is equipped with on inserting 8 can with two joint blocks 81 of joint groove 411 joint complex. Along with handle 2's rotation, relative movement takes place between first transmission piece and the nylon insert 8, and the joint cooperation can be realized with corresponding joint piece 81 to joint groove 411 on the first arc rack 41 in different positions, makes handle 2 have obvious location sense in the rotation process.

In this embodiment, the second transmission member 5 includes a second arc-shaped rack 51 and a second rotating seat 52 having a cylindrical shape, and the front portion of the second rotating seat is rotatably mounted on the base 1; the second mounting hole 501 is arranged on the front end face of the second transmission part 5 and is in a front-back direction; the second arc-shaped rack 51 is arranged on the circumferential surface of the rear part of the second transmission member 5. The cross-sectional shape and the size of the second mounting hole 501 are matched with the rear part of the strip-shaped square shaft 3.

The door and window handle of the embodiment further comprises a cover cap 9, the base 1, the first transmission part 4 and the second transmission part 5 are all arranged on the inner side of the cover cap 9, and the handle 2 is arranged on the rear side of the cover cap 9; a third mounting hole 91 is formed in the cover cap 9, a nylon gasket 92 is mounted in the third mounting hole 91, and the nylon gasket 92 is provided with a second circular through hole 921 in the front-back direction; a circular convex ring 43 protruding backwards is arranged on the edge of the rear end opening of the first mounting hole 401, and the circular convex ring 43 is sleeved in the second circular through hole 921 of the nylon gasket 92. By adopting the structure, the cover cap 9 can make the whole appearance of the door and window handle more beautiful, and the matching between the cover cap 9, the first transmission part 4 and the handle 2 is more compact and stable.

The use method of the door and window handle is briefly described as follows:

the base 1 is fixedly installed on a door and window frame, the rotating axes of the first transmission component 4 and the second transmission component 5 are both in front and back trend and are parallel to each other, and the front part of the strip-shaped square shaft 3 is used as a lock cylinder and can be inserted into a lock cylinder hole of the door and window frame in a relatively rotating mode.

During the use, user's accessible rotates handle 2, drives the bar main part through the intermeshing transmission of first arc rack 41 and second arc rack 51 and rotates, realizes opening or the locking of door and window. When rotating handle 2, because the drive ratio of first arc rack 41 and second arc rack 51 is 0.15, consequently, the user only needs to rotate handle 2 13.5, just can drive bar square shaft 3 through first arc rack 41 and second arc rack 51 and rotate 90, it is quick, conveniently realize opening and locking of door and window, and owing to need not to reserve great activity space for handle 2, can effectively reduce the installation space who occupies the door and window handle, convenience of customers designs the door and window scheme of more patterns.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a door and window handle, includes base, handle and bar square shaft, the front end of handle is rotatable installs on the base its characterized in that: the door and window handle further comprises a first transmission part and a second transmission part, the first transmission part is fixedly arranged at the front end of the handle, the second transmission part is rotatably arranged on the base, and the rotation axis of the second transmission part deviates from the rotation axis of the first transmission part; the first transmission component is in transmission connection with the second transmission component, and the transmission ratio of the first transmission component to the second transmission component is smaller than 1; the bar-shaped square shaft is fixedly arranged on the second transmission part, and the axis of the bar-shaped square shaft is coincided with the rotation axis of the second transmission part.

2. A door and window handle according to claim 1, wherein: the transmission ratio of the first transmission component to the second transmission component is 0.1-0.6.

3. A door and window handle according to claim 2, wherein: the transmission ratio of the first transmission component to the second transmission component is 0.15.

4. A door and window handle according to any one of claims 1 to 3, wherein: the front end of the handle is provided with a connecting part; the first transmission part is provided with a first arc-shaped rack and a first mounting hole, the first transmission part is fixedly mounted on the connecting part of the handle through the first mounting hole, and the center line of the first arc-shaped rack is superposed with the rotation axis of the first transmission part; the second transmission part is provided with a second arc-shaped rack and a second mounting hole, the central line of the second arc-shaped rack is superposed with the rotation axis of the second transmission part, and the second arc-shaped rack is meshed with the first arc-shaped rack; and the rear part of the strip-shaped square shaft is fixedly arranged in the second mounting hole.

5. A door and window handle as set forth in claim 4, wherein: the first transmission part comprises a swing arm and a first arc-shaped rack, the first mounting hole is formed in the first end portion of the swing arm and is in the front-back direction, the first arc-shaped rack is arranged on the second end portion of the swing arm, and each tooth of the first arc-shaped rack faces the first mounting hole; the door and window handle further comprises a first rotating seat and a fixing screw, and a first circular through hole in the front-back direction is formed in the base; the rear part of the first rotating seat is sleeved in the first circular through hole, the front part of the first rotating seat is provided with an annular limiting block extending along the peripheral direction of the first rotating seat, the annular limiting block is positioned on the front side of the first circular through hole and is in contact fit with the base, the rear end surface of the first rotating seat is provided with a positioning groove, the front end surface of the first rotating seat is provided with a positioning hole moving forwards and backwards, and the rear end of the positioning hole is communicated with the positioning groove; the connecting portion of the handle penetrates through the first mounting hole and is inserted into the positioning groove, the connecting portion is provided with a fixing screw hole, and a screw rod of the fixing screw penetrates through the positioning hole and is in threaded connection with the fixing screw hole.

6. A door and window handle as set forth in claim 5, wherein: the cross section of the connecting part of the handle is square, and the first mounting hole is an octagonal hole formed by two square through holes which are the same in size and are arranged in a staggered mode; the two square through holes are matched with the connecting part of the handle.

7. A door and window handle as set forth in claim 5, wherein: the door and window handle further comprises a nylon insert, the nylon insert is installed on the base and located on the side, away from the first installation hole, of the first arc-shaped rack, a clamping groove is formed in the side wall, facing the nylon insert, of the first arc-shaped rack, and at least two clamping blocks capable of being matched with the clamping groove in a clamping mode are arranged on the nylon insert.

8. A door and window handle as set forth in claim 4, wherein: the second transmission component comprises a cylindrical second rotating seat and a second arc-shaped rack, and the front part of the second rotating seat is rotatably arranged on the base; the second mounting hole is formed in the front end face of the second transmission part and is in the front-back direction; the second arc-shaped rack is arranged on the circumferential surface of the rear part of the second transmission part.

9. A door and window handle according to any one of claims 1 to 3, wherein: the door and window handle still includes the shroud, base, first drive disk assembly, second drive disk assembly all set up the inboard at the shroud, the handle sets up the rear side at the shroud.

10. A door and window handle according to claim 9, wherein: a third mounting hole is formed in the cover cap, a nylon gasket is mounted in the third mounting hole, and the nylon gasket is provided with a second circular through hole in the front-back direction; the edge of the rear end opening of the first mounting hole is provided with a circular convex ring protruding backwards, and the circular convex ring is sleeved in a second circular through hole of the nylon gasket.