CN214617726U

CN214617726U - Driver and transmission box thereof

Info

Publication number: CN214617726U
Application number: CN202023343267.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: CMECH Guangzhou Industrial Ltd
Current assignee: CMECH Guangzhou Industrial Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-05
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of door and window transmission, and provides a transmission device and a transmission box thereof, which mainly comprise a coupling core body, a transmission gear and a linkage rack; the shaft coupling core body is provided with a cam part, one side of the linkage rack is provided with an accommodating cavity, and the cam part extends into the accommodating cavity; a first transmission strip is arranged on the linkage rack, and the first transmission strip and the linkage rack slide synchronously; the other side of linkage rack sets up the rack structure, the rack structure is followed the slip direction of linkage rack sets up, drive gear with the rack structure meshing is connected, it is connected with the second transmission strip still to mesh on the drive gear, the second transmission strip can be along a straight line sliding motion, just first transmission strip with the slip direction of second transmission strip is opposite. The utility model discloses can effectively adapt to the application in the aperture is apart from the handle to can obtain sufficient intensity and great motion stroke.

Description

Driver and transmission box thereof

Technical Field

The utility model belongs to the technical field of the door and window transmission, concretely relates to actuator and transmission box thereof.

Background

In the prior art, a driver for a small hole edge distance (within 15 mm) for doors and windows not only needs to be matched with a handle with the small hole edge distance (within 23 mm) but also needs to realize bidirectional transmission, and a multi-connecting-rod structure or a structure with gears as driving wheels is commonly used.

However, the width and the hole edge distance of the driver are limited by the notches of the profiles, and the thickness of the connecting rods stacked in the multi-connecting-rod structure cannot be increased, so that the strength of the multi-connecting-rod structure is weak, and the stability of the internal structure of the transmission box is difficult to ensure. In addition, the gear is used as a driver of the driving wheel and is influenced by the size of the reference circle, if the gear is made small, the strength is insufficient, and the movement stroke of the transmission strip is small; the gear is enlarged, and the interference between the gear and a mounting screw of the small-pitch handle can be caused, or the interference is formed by connecting the gear and a fixing element for fastening the mounting screw of the small-pitch handle, such as a deviation-preventing nut, so that the movement stroke of the gear is limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, the present invention provides an actuator and a transmission box thereof, which can be effectively adapted to the application of small pitch handles and can obtain sufficient strength and large movement stroke.

The utility model provides a technical scheme that its technical problem adopted is:

a driver comprises a rotatably arranged coupling core body, a rotatably arranged transmission gear and a linkage rack, wherein the linkage rack can slide along a straight line;

the shaft joint core body is provided with a cam part, one side of the linkage rack is provided with an accommodating cavity, and the cam part extends into the accommodating cavity and can form abutting contact with the accommodating cavity along with the rotation of the shaft joint core body so as to drive the linkage rack to do sliding motion; a first transmission strip is arranged on the linkage rack, and the first transmission strip and the linkage rack slide synchronously;

the other side of linkage rack sets up the rack structure, the rack structure is followed the slip direction of linkage rack sets up, drive gear with the rack structure meshing is connected, it is connected with the second transmission strip still to mesh on the drive gear, the second transmission strip can be along a straight line sliding motion, just first transmission strip with the slip direction of second transmission strip is opposite.

Preferably, the axial lead of the coupling core and the axial lead of the transmission gear are parallel to each other.

Preferably, the cam part is provided with a sliding cavity, the accommodating cavity is internally provided with a bulge, and the bulge extends into the sliding cavity.

Preferably, the gear transmission mechanism further comprises a connecting rod, one end of the connecting rod is detachably clamped and arranged on the linkage rack, and the first transmission strip is detachably clamped and arranged on the connecting rod.

A gearbox comprising an actuator as hereinbefore described.

Preferably, the box body is further included, and a sliding groove for sliding connection of the linkage rack is formed in the box body.

Preferably, one end of each of the first transmission strip and the second transmission strip extends into the box body, and a panel is arranged at the other end of each of the first transmission strip and the second transmission strip;

and the first transmission strip and the second transmission strip are both provided with a sheath, and are in sliding contact with the panel through the sheaths.

Preferably, the end of the panel is removably provided with a decorative flap.

Preferably, the box body is provided with a handle mounting piece in a central symmetry mode by taking the shaft connection core body as a center, and the handle mounting piece is provided with at least two groups of mounting holes for mounting a handle with different hole pitches.

Preferably, the handle installed part embedding sets up on the box body, just the handle installed part with still be provided with the damping fin between the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme, the cam part is skillfully arranged on the shaft joint core body, and the linkage rack is arranged to drive the first transmission strip and the second transmission strip to operate in a mode of transmission connection between the linkage rack and the transmission gear; make whole transmission structure more compact, its shared space is littleer to be convenient for adapt to the application in the aperture apart from the handle, compare in the many connecting rods transmission structure among the prior art or regard transmission gear as the structure of action wheel, transmission structure in this scheme can obtain higher intensity, and can obtain bigger movement stroke.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is an exploded view of the transmission case of the present invention.

Fig. 2 is a schematic structural diagram of the transmission of the present invention.

Fig. 3 is a schematic front view of the actuator of the present invention.

Fig. 4 is a back view of the actuator according to the present invention.

Fig. 5 is a schematic structural diagram of the transmission box of the present invention.

Fig. 6 is a schematic structural view of the linkage rack of the present invention.

Wherein:

1-a shaft-connected core body, 11-a cam part, 111-a sliding cavity, 2-a transmission gear, 3-a linkage rack, 31-a containing cavity, 311-a bulge, 32-a clamping groove, 33-a rack structure, 4-a first transmission bar, 41-a clamping groove, 5-a connecting rod, 51-a clamping hook, 52-a clamping bulge, 6-a second transmission bar, 71-a first box body, 711-a handle mounting piece, 7111-a mounting hole, 712-a damping sheet, 72-a second box body, 73-a sliding groove, 8-a panel, 81-a decorative end cover and 9-a sheath.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1 to 6, the present embodiment provides a driver, which mainly includes a coupling core 1, a transmission gear 2 rotatably disposed, and a linked rack 3.

The shaft coupling core body 1 is a square shaft core body so as to be conveniently matched with a core shaft of a handle; the coupling core 1 is provided to be rotatable, and a cam portion 11 and a slide cavity 111 are further provided on the coupling core 1.

The linkage rack 3 can do sliding motion along a straight line; specifically, the linkage rack 3 is designed to be of a block structure, one side of the linkage rack 3 is provided with an accommodating cavity 31, the accommodating cavity 31 is provided with a protrusion 311, the cam portion 11 extends into the accommodating cavity 31, and the protrusion 311 extends into and is arranged in the sliding cavity 111 and can rotate along with the shaft connection core body 1, so that the sliding cavity 111 and the protrusion 311 form abutting contact to drive the linkage rack 3 to perform sliding motion.

Preferably, the cam portion 11 is further provided with a sliding cavity 111, and the sliding cavity 111 is arranged towards the linkage rack 3 in the mounting state; the accommodating cavity 31 is correspondingly provided with a protrusion 311, and the protrusion 311 extends into the sliding cavity 111; so that the shaft coupling core body 1 and the linkage rack 3 are arranged in a biased mode, namely, the rotation is initiated through the action of the protrusion, and then the resetting operation is completed through the protrusion.

A first transmission strip 4 is connected to the linkage rack 3, and the first transmission strip 4 and the linkage rack 3 slide synchronously; as a preferable scheme, a connecting rod 5 is further provided, and a synchronous moving body is formed between the linkage rack 3 and the first transmission rack 4 through the connecting rod 5. Specifically, be provided with joint groove 32 on the linkage rack 3, joint groove 32 place straight line with the direction of motion of linkage rack 3 is mutually perpendicular, the one end of connecting rod 5 is and is provided with trip 51 perpendicularly, is in through this trip 51 detachably joint setting on the linkage rack 3. The other end of connecting rod 5 is provided with card arch 52, be provided with draw-in groove 41 corresponding to this card arch 52 on the first transmission bar 4, be connected so that through this card arch 52 and draw-in groove 41's joint first transmission bar 4 detachably joint sets up on connecting rod 5.

The opposite side of linked rack 3 sets up rack structure 33, rack structure 33 is followed linked rack 3's slip direction sets up, drive gear 2 with rack structure 33 meshes the connection, in addition, it is connected with second drive strip 6 still to mesh on the drive gear 2, second drive strip 6 can be along a straight line and make sliding motion, just first drive strip 4 with the slip direction of second drive strip 6 is opposite. When the shaft coupling core body 1 is driven by external force to rotate, the sliding cavity 111 in the cam part 11 is in abutting contact with the protrusion 311 on the linkage rack 3 so that the linkage rack 3 slides to drive the first transmission rack 4 to slide; at this time, the linkage rack 3 can drive the transmission gear 2 to rotate, and the rotating transmission gear 2 can drive the second transmission strip 6 to slide, so that the transmission motion of the whole structure is formed.

As a preferable scheme, in the present embodiment, the axial line of the coupling core 1 and the axial line of the transmission gear 2 are arranged in parallel to each other, so as to effectively reduce the overall thickness of the entire transmission.

In order to further understand the present solution, the present embodiment further provides a transmission box, which includes a box body and the above-mentioned transmission device.

Preferably, the casing comprises a first casing 71 and a second casing 72, and the actuator is disposed in a space formed by the first casing 71 and the second casing 72. A sliding groove 73 for the sliding connection of the linkage rack 3 is formed in the box body, so that the sliding coordination and stability of the linkage rack 3 are improved; in addition, the box body is internally provided with corresponding sliding grooves corresponding to the connecting rods 5, and part of rod bodies on the connecting rods 5 extend into the corresponding sliding grooves and are arranged in the corresponding sliding grooves in a sliding mode, so that the sliding coordination and the stability of the transmission strip 4 are improved.

In addition, correspond on the box body first transmission strip 4, second transmission strip 6 all are provided with the slide that corresponds, the one end of first transmission strip 4, second transmission strip 6 all stretches into the setting and is in the box body. A panel 8 is arranged corresponding to the extending ends of the first transmission strip 4 and the second transmission strip 6; preferably, the first transmission bar 4 and the second transmission bar 6 are both provided with sheaths 9, and are in sliding contact with the panel 8 through the sheaths 9; the sheath 9, such as a plastic protective sheath, provided in this embodiment can make the sliding motion of the first transmission strip 4 and the second transmission strip 6 smoother, and can also effectively reduce the operating noise thereof. The end of the panel 8 is also removably provided with a decorative flap 81.

Use on the box body coupling core 1 is provided with handle installed part 711 as central symmetry, be provided with the mounting hole 7111 of the confession handle installation of at least two sets of different pitch-row on the handle installed part 711 to make this transmission box can be applicable to the handle installation of different pitch-row. Preferably, the handle mounting part 711 is embedded in the box body, and a damping plate 712 is further disposed between the handle mounting part 711 and the box body.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. A driver is characterized by comprising a shaft coupling core body which can be rotationally arranged, a transmission gear which can be rotationally arranged and a linkage rack, wherein the linkage rack can slide along a straight line;

2. A driver according to claim 1, characterised in that the axial centre line of the coupling core and the axial centre line of the transmission gear are mutually parallel.

3. A driver according to claim 1 or 2, characterised in that the cam portion is provided with a sliding cavity and the receiving cavity is provided with a projection, which projects into the sliding cavity.

4. The driver according to claim 3, further comprising a connecting rod, wherein one end of the connecting rod is detachably clamped on the linkage rack, and the first transmission bar is detachably clamped on the connecting rod.

5. A gearbox comprising a transmission according to any one of claims 1 to 4.

6. The transmission case according to claim 5, further comprising a case body, wherein the case body is provided with a sliding groove for slidably connecting the linked rack.

7. The transmission box according to claim 6, wherein one end of each of the first transmission strip and the second transmission strip extends into the box body, and a panel is arranged at the other end corresponding to the first transmission strip and the second transmission strip;

8. A drive cassette according to claim 7, wherein the end of the panel is removably provided with a decorative cover.

9. The transmission box according to any one of claims 6 to 8, wherein handle mounting pieces are symmetrically arranged on the box body around the shaft connection core body, and at least two groups of mounting holes with different hole pitches are arranged on the handle mounting pieces and used for mounting a handle.

10. The transmission case of claim 9, wherein the handle mounting member is embedded in the case body, and a damping plate is disposed between the handle mounting member and the case body.