CN111502463A

CN111502463A - Split type transmission box

Info

Publication number: CN111502463A
Application number: CN202010419644.XA
Authority: CN
Inventors: 李树鹏; 刘洋
Original assignee: Shenzhen Hopo Window Control Technology Co Ltd
Current assignee: Shenzhen Hopo Window Control Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of doors and windows, in particular to a split type transmission box which comprises a first module and a second module, wherein the first module comprises a first shell assembly; the driving wheel is rotatably arranged in the first shell component; the transmission part is in transmission connection with the driving wheel, is arranged in the first shell component and can reciprocate linearly under the transmission of the driving wheel; and the second module is detachably connected with the first module and is in transmission connection with the transmission piece. The invention is convenient for assembly and maintenance and can adjust the height of the transmission box according to the door and window section bar.

Description

Split type transmission box

Technical Field

The invention relates to the technical field of doors and windows, in particular to a split type transmission box.

Background

Door and window refers to a door and a window, or a window opened on a door. In door and window lock systems, the transmission box plays an important role. The driving mechanism drives the associated locking point to move up and down through the transmission box and is matched with the lock seat to complete the locking and unlocking of the door and window.

In the prior art, the assembly mode of the transmission box is that two shells clamp the driving wheel, the transmission strip and the gear, and then the two shells are riveted together to form a non-detachable whole. This approach has the following disadvantages:

1. when the assembly is produced, the whole set of parts need to be assembled and fixed together, and the assembly and the maintenance are not easy.

2. Because of door and window section bar difference, also have different requirements to the height of transmission box, can't adjust the height of transmission box after conventional transmission box assembles the completion.

Therefore, a separate transmission case is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a split type transmission box which is convenient to assemble and maintain and can adjust the height of the transmission box according to door and window profiles.

In order to achieve the purpose, the invention adopts the following technical scheme:

a split gear box comprising:

a first module comprising a first housing assembly;

the driving wheel is rotatably arranged in the first shell component;

the transmission part is in transmission connection with the driving wheel, is arranged in the first shell component and can reciprocate linearly under the transmission of the driving wheel;

and the second module is detachably connected with the first module and is in transmission connection with the transmission piece.

Optionally, the driving wheel includes a body and a shift lever, the shift lever is disposed on the body, the body is rotatably disposed in the first housing assembly, and an end of the shift lever, which is away from the body, is in transmission connection with the transmission member.

Optionally, one end of the shift lever is provided with a first positioning hole, the other end of the shift lever is provided with a second positioning hole, the shift lever is sleeved on the body through the first positioning hole, a pin shaft penetrates through the second positioning hole, and the shift lever is in transmission connection with the transmission member through the pin shaft.

Optionally, a sliding groove is formed in one side of the transmission part, and the pin shaft is arranged in the sliding groove in a sliding mode.

Optionally, the transmission part is provided with a limiting groove on two opposite sides of the sliding groove, and the limiting groove can limit the pin shaft to slide along the sliding groove.

Optionally, the first housing assembly includes a second housing and a first housing, the second housing is disposed on the first housing, the driving wheel is rotatably disposed on the first housing, and the transmission member is slidably disposed on the first housing.

Optionally, a straight guide groove is formed in the first housing, and the transmission member is slidably disposed on the straight guide groove.

Optionally, the second module includes a second housing component and a transmission component, the transmission component is disposed in the second housing component, and the transmission component is in transmission connection with the transmission member.

Optionally, the second housing assembly includes a bottom plate and a cover plate, the bottom plate is connected to the cover plate, and the transmission assembly is disposed in an accommodating cavity enclosed by the bottom plate and the cover plate.

Optionally, the transmission assembly comprises a driving rack, a transmission gear and a driven rack, the driving rack is connected with the transmission part, the transmission gear is respectively meshed with the driving rack and the driven rack, and the driving rack and the driven rack can drive the associated locking point to move up and down.

The invention has the beneficial effects that:

the split type transmission box provided by the invention is characterized in that the transmission box is designed into a first module and a second module, the first module is in transmission connection with the second module, and the second module drives the associated locking point to move up and down, so that the opening and closing of doors and windows are realized. The first module and the second module are detachably connected, the transmission box is easy to assemble by adopting a modular design, and the transmission box is convenient to replace if the first module or the second module is damaged in the later period, so that the transmission box is easy to maintain; simultaneously, when door and window section bar had the difference, only need to change the height that first module can adjust the transmission box, increased the flexibility that the transmission box used.

Drawings

FIG. 1 is a general schematic view of a transmission case of the present invention;

FIG. 2 is an exploded view of a first module of a transmission housing of the present invention;

FIG. 3 is an assembly view of the driving wheel and the driving member of the first module of the transmission box according to the present invention;

FIG. 4 is an exploded view of a second module of the transmission housing of the present invention;

FIG. 5 is a schematic view of a cover plate in a transmission case according to the present invention;

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

FIG. 7 is a schematic view of a transmission member in a transmission case according to the present invention;

FIG. 8 is a schematic view of another perspective of a driving member in a transmission case of the present invention.

In the figure:

1-a first module; 11-a driving wheel; 111-a body; 112-a deflector rod; 113-a pin shaft; 12-a positioning projection; 13-a transmission member; 131-a chute; 132-a limiting groove; 133-straight conducting bars; 134-grooves; 14-a first housing; 141-straight guide groove; 15-a second housing; 16-a clamping block; 17-plastic elastic member;

2-a second module; 21-a driving rack; 22-a transmission gear; 23-a driven rack; 24-a connector; 25-a base plate; 26-a cover plate; 261-positioning holes; 27-plug.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to facilitate assembly and maintenance, and simultaneously, the height of the transmission box can be adjusted according to the door and window profile as shown in fig. 1-8, the invention provides a split type transmission box, which comprises: a first module 1, a driving wheel 11, a transmission member 13 and a second module 2. Wherein the first module 1 comprises a first housing assembly; the driving wheel 11 is rotatably arranged in the first shell component; the transmission piece 13 is in transmission connection with the driving wheel 11, and the transmission piece 13 is arranged in the first shell component and can reciprocate linearly under the transmission of the driving wheel 11; the second module 2 is detachably connected with the first module 1 and is in transmission connection with the transmission piece 13.

The transmission box is designed into a first module 1 and a second module 2, the first module 1 is in transmission connection with the second module 2, and the second module 2 drives the associated locking point to move up and down, so that the door and window can be opened and closed. The first module 1 and the second module 2 are detachably connected, the transmission box is easy to assemble by adopting a modular design, and the transmission box is convenient to replace and easy to maintain if the first module 1 or the second module 2 is damaged in the later period; meanwhile, when the door and window section bars have differences, the height of the transmission box can be adjusted only by replacing the first module 1, and the use flexibility of the transmission box is improved.

Further, the driving wheel 11 includes a body 111 and a lever 112, the lever 112 is disposed on the body 111, the body 111 is rotatably disposed in the first housing assembly, and an end of the lever 112 away from the body 111 is in transmission connection with the transmission member 13. The rotation of the body 111 drives the shift lever 112 to rotate, and the shift lever 112 pushes the transmission member 13 to move. Specifically, one end of the shift lever 112 is provided with a first positioning hole, the other end of the shift lever 112 is provided with a second positioning hole, the shift lever 112 is sleeved on the body 111 through the first positioning hole, a pin shaft 113 penetrates through the second positioning hole, and the shift lever 112 is in transmission connection with the transmission member 13 through the pin shaft 113. In order to reduce the complexity of the installation of the driving wheel 11, in the present embodiment, the body 111 is integrally formed with the shift lever 112. The driving wheel 11 is in a step shape by sleeving the shift lever 112 on the body 111, so that the driving wheel 11 is conveniently positioned and mounted on the first shell assembly.

Further, a sliding groove 131 is formed in one side of the transmission member 13, and the pin 113 is slidably disposed in the sliding groove 131. The chute 131 is U-shaped in this embodiment. The driving part 13 is driven to move through the shifting rod 112, so that the size of the driving wheel 11 is reduced, the space occupied by installation is reduced, and when a handle with the hole distance of 8-43 mm is installed, the screw which is used for fixing the handle and penetrates through the installation hole cannot interfere with the driving wheel 11; the driving wheel 11 with smaller size can avoid a hole in the center of 8mm-43mm for mounting on the handle, and when the handle is fixed, a screw for fixing the handle can smoothly pass through the first module 1, so that the requirement on the length of the screw is reduced. And the driving wheel 11 is adopted to drive the first transmission piece 13 to move, so that the stability of the internal mechanism of the transmission box can be ensured.

Further, limiting grooves 132 are formed in the transmission member 13 on two opposite sides of the sliding groove 131, and the limiting grooves 132 can limit the pin 113 to slide along the sliding groove 131. When the handle drives the driving wheel 11 to rotate, the driving piece 13 can be driven to move. However, after the pin 113 slides into the limiting groove 132, the second module 2 cannot push the driving wheel 11 to rotate by pushing the transmission member 13, so as to realize the self-locking function of the first module 1.

Further, the first housing assembly includes a second housing 15 and a first housing 14, the second housing 15 is disposed on the first housing 14, the driving wheel 11 is rotatably disposed on the first housing 14, and the transmission member 13 is slidably disposed on the first housing 14. In order to limit the linear movement of the transmission member 13, specifically, a straight guide groove 141 is provided on the first housing 14, a straight guide bar 133 is convexly provided on the transmission member 13, and the transmission member 13 is slidably disposed on the straight guide groove 141 through the straight guide bar 133. The position of the transmission member 13 is restricted by the straight guide groove 141. Of course, in other embodiments, the straight guide groove 141 may be disposed on the second housing 15, which is not limited herein.

Furthermore, a positioning hole is formed in the first casing 14, a positioning column matched with the positioning hole is arranged on the second casing 15, and the second casing 15 is matched with the positioning hole through the positioning column and then fixed on the first casing 14 by riveting. Of course, in other embodiments, a snap-fit or screw connection may be used, and is not limited herein.

Further, the second module 2 comprises a second housing component and a transmission component, the transmission component is arranged in the second housing component, and the transmission component is in transmission connection with the transmission piece 13.

Specifically, the second housing component comprises a bottom plate 25 and a cover plate 26, the bottom plate 25 is connected with the cover plate 26, and the transmission component is arranged in a containing cavity enclosed by the bottom plate 25 and the cover plate 26. The transmission assembly comprises a driving rack 21, a transmission gear 22 and a driven rack 23, the driving rack 21 is connected with the transmission piece 13, one side of the transmission piece 13, which is far away from the driving wheel 11, is provided with a groove 134, the end surface of the driving rack 21 is provided with a connecting piece 24, and the connecting piece 24 is inserted into the groove 134 of the transmission piece 13, so that the transmission piece 13 can drive the driving rack 21 to move; the transmission gear 22 is respectively meshed with the driving rack 21 and the driven rack 23, and the driving rack 21 and the driven rack 23 can drive the associated locking points to move up and down.

During installation, the driving rack 21 and the driven rack 23 penetrate from two ends of the cover plate 26 respectively, the transmission gear 22 is placed between the driving rack 21 and the driven rack 23, the transmission gear 22 is rotatably arranged on the cover plate 26 through a rivet, and the bottom plate 25 is fixedly connected with the cover plate 26 through riveting. A threaded hole is formed in the bottom plate 25, and the driving module is mounted on the bottom plate 25 through the matching of a screw and the threaded hole. A strip-shaped hole is formed in the bottom plate 25, and the connecting piece 24 extends out of the strip-shaped hole and is connected with the transmission piece 13. In order to ensure the aesthetic appearance of the second module 2, plugs 27 are optionally inserted at both ends of the cover plate 26 for decorative purposes.

Further, in order to facilitate the connection between the first module 1 and the second module 2, in this embodiment, the cover plate 26 in the second housing assembly is provided with a positioning hole 261, the first housing assembly is provided with a positioning protrusion 12, and when the first module 1 is connected with the second module 2, the positioning protrusion 12 is disposed in the positioning hole 261, so as to define the relative position between the first module 1 and the second module 2. In this embodiment, a chamfer is provided in the positioning hole 261, so that in the using process, when the positioning protrusion 12 is deformed due to the extrusion of an external force, the positioning protrusion 12 can be deformed according to the shape of the chamfer, so that the deformed positioning protrusion 12 is not easily separated from the positioning hole 261, and the connection stability between the driving module and the driven module is ensured. Alternatively, eight positioning protrusions 12 and eight positioning holes 261 are provided, and of course, the number of the positioning protrusions 12 and the positioning holes 261 is not limited too much here.

Further, this split type transmission box still includes grip block 16, and grip block 16 sets up on first casing 14, and plastic elastic component 17 is used for fixed handle with grip block 16 joint. A handle mounting hole is formed in the middle of the clamping block 16, and mounting holes with hole intervals of 8mm-43mm are formed in the two ends of the handle mounting hole and used for mounting a handle.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A split gear box, comprising:

a first module (1) comprising a first housing assembly;

a drive wheel (11) rotatably disposed in the first housing assembly;

the transmission piece (13) is in transmission connection with the driving wheel (11), and the transmission piece (13) is arranged in the first shell component and can reciprocate linearly under the transmission of the driving wheel (11);

the second module (2) is detachably connected with the first module (1) and is in transmission connection with the transmission piece (13).

2. The split type transmission case as claimed in claim 1, wherein the driving wheel (11) comprises a body (111) and a lever (112), the lever (112) is disposed on the body (111), the body (111) is rotatably disposed in the first housing assembly, and an end of the lever (112) away from the body (111) is in transmission connection with the transmission member (13).

3. The split type transmission box according to claim 2, wherein one end of the shift lever (112) is provided with a first positioning hole, the other end of the shift lever is provided with a second positioning hole, the shift lever (112) is sleeved on the body (111) through the first positioning hole, a pin shaft (113) is arranged in the second positioning hole in a penetrating manner, and the shift lever (112) is in transmission connection with the transmission member (13) through the pin shaft (113).

4. The split type transmission case as claimed in claim 3, wherein a sliding slot (131) is formed on one side of the transmission member (13), and the pin (113) is slidably disposed in the sliding slot (131).

5. The split type transmission box according to claim 4, wherein the transmission member (13) has limiting grooves (132) formed on two opposite sides of the sliding groove (131), and the limiting grooves (132) can limit the pin shaft (113) to slide along the sliding groove (131).

6. The split transmission case according to claim 1, wherein the first housing assembly comprises a second housing (15) and a first housing (14), the second housing (15) is disposed on the first housing (14), the driving wheel (11) is rotatably disposed on the first housing (14), and the transmission member (13) is slidably disposed on the first housing (14).

7. The split gear box according to claim 6, wherein a straight guide groove (141) is provided on the first housing (14), and the gear member (13) is slidably provided on the straight guide groove (141).

8. A split gearbox according to claim 1, in which the second module (2) comprises a second housing component and a transmission component, the transmission component being arranged in the second housing component, the transmission component being in driving connection with the transmission member (13).

9. The split transmission case of claim 8, wherein the second housing assembly comprises a bottom plate (25) and a cover plate (26), the bottom plate (25) is connected with the cover plate (26), and the transmission assembly is disposed in a containing cavity enclosed by the bottom plate (25) and the cover plate (26).

10. The split gear box according to claim 9, characterized in that the gear assembly comprises a driving rack (21), a driving gear (22) and a driven rack (23), wherein the driving rack (21) is connected with the gear member (13), the driving gear (22) is respectively meshed with the driving rack (21) and the driven rack (23), and the driving rack (21) and the driven rack (23) can drive the associated locking point to move up and down.