CN215806195U

CN215806195U - Gear box limiting transmission structure

Info

Publication number: CN215806195U
Application number: CN202122251928.5U
Authority: CN
Inventors: 李政; 王景科
Original assignee: Zhongshan Yongding Precision Hardware Technology Co ltd
Current assignee: Guangdong Yongding Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-11
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a gear box limiting transmission structure, which comprises a box body consisting of an upper shell and a lower shell, a convex shaft is arranged on the inner bottom surface of the lower shell, a first shaft hole which penetrates through the convex shaft up and down is arranged at the axis of the convex shaft, a second shaft hole which is coaxial with the first shaft hole is arranged on the upper end surface of the upper shell, the convex shaft is sleeved with a driving part and a driven part, the driving part can drive the driven part to rotate around the convex shaft, a limiting part is arranged between the driven part and the upper shell, the limiting part can limit the rotation angle of the driven part, compared with the prior art, through the part equipment with the back lock to the gear box in, can improve production efficiency, the demand carries out the part equipment according to the lock body of difference in the position of difference, only needs to assemble the gear box in advance, again with the gear box assemble to the lock body on can.

Description

Gear box limiting transmission structure

Technical Field

The utility model relates to a gear box limiting transmission structure.

Background

With the progress of science and technology and society, more and more people use the intelligent door lock in the existing family.

The existing intelligent door lock realizes counter locking through an electric drive counter locking knob, but when the existing intelligent door lock is assembled, a plurality of parts are required to be installed in the lock body one by one, and the mode of the assembly can seriously reduce the installation efficiency and improve the production cost due to different installation positions of different lock bodies.

Therefore, a gear box limit transmission structure is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear box limiting transmission structure.

The gear box limiting transmission structure comprises a box body consisting of an upper shell and a lower shell, wherein a convex shaft is arranged on the inner bottom surface of the lower shell, a first shaft hole which penetrates through the convex shaft up and down is arranged at the axis of the convex shaft, and a second shaft hole which is coaxial with the first shaft hole is arranged on the upper end surface of the upper shell;

the convex shaft is sleeved with a driving piece and a driven piece, the driving piece can drive the driven piece to rotate around the convex shaft, a limiting part is arranged between the driven piece and the upper shell, and the limiting part can limit the rotation angle of the driven piece.

Preferably, an arc-shaped track groove is formed in the upper end face of the driving part, a linkage block is arranged on the lower end face of the driven part, and the linkage block is downwards inserted into the arc-shaped track groove.

Preferably, the inner top surface of the upper shell is provided with two limiting blocks by taking the circle center of the second shaft hole as an axis, the outer wall of the driven piece is provided with a first convex block, and the first convex block is positioned between the two limiting blocks.

Preferably, the upper part of the protruding shaft is provided with a ring-shaped concave platform, and the driving member and the driven member are respectively nested on the ring-shaped concave platform.

Preferably, the electric connector further comprises a knob, wherein an insertion shaft is arranged on the knob, a plurality of first positioning convex blocks are uniformly distributed on the outer wall of the insertion shaft, a plurality of second positioning convex blocks are uniformly distributed on the inner wall of the driven member, and the first positioning convex blocks are inserted between the two second positioning convex blocks.

The utility model has the advantages of simple and reasonable structure, convenient assembly and good stability, compared with the prior art, the utility model can improve the production efficiency by assembling the parts of the back lock into the gear box, and the parts can be assembled at different positions according to different lock bodies, and only the gear box needs to be assembled in advance and then the gear box is assembled on the lock body.

Further, through be equipped with protruding axle on the interior bottom surface of casing down, the axle center department of protruding axle is equipped with the first shaft hole that runs through from top to bottom go up be equipped with on the up end of casing with the first shaft hole each other is the second shaft hole of coaxial setting the cover is equipped with driving piece and follower on the protruding axle, the driving piece can drive the follower centers on protruding axle rotates, the follower with go up and be equipped with spacing part between the casing, spacing part can restrict the turned angle of follower, exactly, establish protruding epaxially through establishing driving piece and follower cover, compare with the structure of tradition installation on the knob, not only convenient equipment still improves stability, increase of service life.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a second schematic perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a second exploded view of the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention;

FIG. 6 is a second schematic cross-sectional view of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1 to 6, a gear box limiting transmission structure includes a box body composed of an upper shell 120 and a lower shell 110, a protruding shaft 111 is arranged on the inner bottom surface of the lower shell 110, a first shaft hole 112 penetrating up and down is arranged at the axis of the protruding shaft 111, and a second shaft hole 121 coaxial with the first shaft hole 112 is arranged on the upper end surface of the upper shell 120;

the cover is equipped with driving piece 30 and follower 20 on the protruding axle 111, driving piece 30 can drive follower 20 centers on protruding axle 111 rotates, follower 20 with go up and be equipped with stop part between the casing 120, stop part can restrict the turned angle of follower 20 has simple structure reasonable, the equipment is convenient, advantage that stability is good, compares with current technique, through the part equipment to the gear box with anti-lock in, can improve production efficiency, the demand carries out the part equipment according to the lock body of difference in the position of difference, only needs assemble the gear box in advance, again with the gear box assemble the lock body on can.

That is, through establishing driving piece and follower cover on the protruding axle, compare with the structure of traditional installation on the knob, not only convenient equipment still improves stability, increase of service life.

Specifically, be equipped with arc track groove 310 on the up end of driving piece 30, be equipped with linkage block 210 on the lower terminal surface of follower 20, linkage block 210 pegs graft downwards in arc track groove 310, that is, when the driving piece rotates, when linkage block and the both ends contact in arc track groove, the driving piece can drive the follower through promoting the linkage block and rotate, simple structure, and convenient to drive accords with the use needs.

Further, two limiting blocks 122 are arranged on the inner top surface of the upper shell 120 by taking the circle center of the second shaft hole 121 as the axis, a first protruding block 220 is arranged on the outer wall of the driven member 20, and the first protruding block 220 is located between the two limiting blocks 122.

That is, the rotation range of the driven member is equal to the distance between the two limit blocks.

The distance between the limiting blocks 122 is set according to different use requirements.

Furthermore, the upper portion of the protruding shaft 111 is provided with a ring-shaped concave platform 113, and the driving member 30 and the driven member 20 are respectively nested on the ring-shaped concave platform 113, so that the assembly is convenient, the stability is good, and the use requirements are met.

Further, the electric wrench further comprises a knob 130, wherein the knob 130 is provided with an insertion shaft 131, the outer wall of the insertion shaft 131 is uniformly provided with a plurality of first positioning protrusions 132, the inner wall of the driven member 20 is uniformly provided with a plurality of second positioning protrusions 230, and the first positioning protrusions 132 are inserted between the two second positioning protrusions 230, that is, when the driven member rotates, the first positioning protrusions can drive the second positioning protrusions to drive the insertion shaft to drive the knob to rotate.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spacing transmission structure of gear box which characterized in that: the portable multifunctional box comprises a box body consisting of an upper shell (120) and a lower shell (110), wherein a convex shaft (111) is arranged on the inner bottom surface of the lower shell (110), a first shaft hole (112) which penetrates through the convex shaft (111) up and down is arranged at the axis of the convex shaft, and a second shaft hole (121) which is coaxial with the first shaft hole (112) is arranged on the upper end surface of the upper shell (120);

the protruding axle (111) is gone up the cover and is equipped with driving piece (30) and follower (20), driving piece (30) can drive follower (20) center on protruding axle (111) rotates, follower (20) with be equipped with stop part between last casing (120), stop part can restrict the turned angle of follower (20).

2. A gearbox limit drive configuration as defined in claim 1, wherein: an arc-shaped track groove (310) is formed in the upper end face of the driving piece (30), a linkage block (210) is arranged on the lower end face of the driven piece (20), and the linkage block (210) is downwards inserted into the arc-shaped track groove (310).

3. A gearbox limit drive configuration as defined in claim 1, wherein: two limiting blocks (122) are arranged on the inner top surface of the upper shell (120) by taking the circle center of the second shaft hole (121) as the axis, a first convex block (220) is arranged on the outer wall of the driven piece (20), and the first convex block (220) is located between the two limiting blocks (122).

4. A gearbox limit drive arrangement as defined in any one of claims 1 to 3, wherein: the upper part of the convex shaft (111) is provided with an annular concave table (113), and the driving part (30) and the driven part (20) are respectively nested on the annular concave table (113).

5. A gearbox limit drive arrangement as defined in any one of claims 1 to 3, wherein: the novel electric connector is characterized by further comprising a knob (130), wherein an inserting shaft (131) is arranged on the knob (130), a plurality of first positioning convex blocks (132) are uniformly distributed on the outer wall of the inserting shaft (131), a plurality of second positioning convex blocks (230) are uniformly distributed on the inner wall of the driven member (20), and the first positioning convex blocks (132) are inserted between the two second positioning convex blocks (230).