CN218934273U

CN218934273U - Door spindle

Info

Publication number: CN218934273U
Application number: CN202223243398.0U
Authority: CN
Inventors: 马龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a door shaft, which relates to the field of rolling door shafts and comprises a driving mechanism and a connecting shaft, wherein the driving mechanism is positioned at two sides of the connecting shaft, one end of the driving mechanism is connected with a steering mechanism, the steering mechanism comprises a first universal joint fork, a second universal joint fork and a cross shaft, the first universal joint fork is arranged at one side of the driving mechanism, and the second universal joint fork is rotatably arranged at one side of the first universal joint fork. According to the utility model, the steering mechanism is additionally arranged on one side of the driving mechanism, the relative rotation between the driving mechanism and the connecting shaft is realized through the steering mechanism, the first universal joint fork is connected with the driving mechanism, the second universal joint fork is connected with the connecting shaft, namely, the first universal joint fork and the second universal joint fork realize the change of the transmission direction of the driving mechanism by the cross shaft, and when the rolling shutter door works, the vertical jumping generated by the connecting shaft does not influence the normal rolling of the shutter plate, so that the rolling shutter door can effectively adapt to the jumping.

Description

Door spindle

Technical Field

The utility model relates to the field of door shafts of roller shutter doors, in particular to a door shaft.

Background

The rolling door is composed of multiple articulated door sheets connected in series, and the upper and lower doors are rotated in a fixed slideway by taking a reel above the door as the center. The rolling door is widely used in shops, and has the function of horizontal separation like a wall, and is composed of a plurality of parts such as a curtain plate, a seat plate, a guide rail, a support, a scroll, a box body, a control box, a rolling door machine, a limiter, a door lintel, a manual quick-release switching device, a button switch, a safety device and the like, and is generally arranged at a part inconvenient to separate by the wall.

The working process of the rolling shutter door is described in detail below, a door opening sensor provides a trigger signal for a control system, the control system sends an instruction to a frequency converter according to the current position of the rapid rolling shutter door, a driving motor is started to enable the door curtain to rapidly ascend, a vehicle and a pedestrian automatically descend through a rear door curtain, and a channel is closed until the next door opening signal is opened again.

In the above-mentioned flow, driving motor drives the spool rotation, accomplishes the rolling of curtain board, but at the in-process of rolling of curtain board, the spool can take place to beat from top to bottom, causes the angle change of spool and drive shaft, uses for a long time can lead to spool and drive shaft to take place crooked, and then influences the life of rolling slats door.

Disclosure of Invention

Based on the above, the utility model aims to provide a door shaft so as to solve the technical problem that the service life is influenced by vibration and angle change possibly occurring in the working process of a common rolling door.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a door spindle, includes actuating mechanism and connecting axle, actuating mechanism is located the both sides of connecting axle, actuating mechanism's one end is connected with steering mechanism, steering mechanism includes first universal joint fork, second universal joint fork and cross, first universal joint fork sets up in one side of actuating mechanism, one side rotation of first universal joint fork is provided with the second universal joint fork, be connected with the cross between first universal joint fork and the second universal joint fork.

The utility model further provides that the driving mechanism comprises a driving shaft, a first sprocket and a second sprocket, and the first sprocket and the second sprocket are arranged on the outer wall of the driving shaft.

The utility model further provides that a group of mounting seats are arranged on two sides of the outer wall of the driving shaft, which are positioned on the first chain wheel.

The utility model is further characterized in that a connecting seat and a fixing seat are respectively arranged on one side of the second universal joint fork, and the connecting seat and the fixing seat are respectively connected with two ends of the connecting shaft.

In summary, the utility model has the following advantages: according to the utility model, the steering mechanism is additionally arranged on one side of the driving mechanism, the relative rotation between the driving mechanism and the connecting shaft is realized through the steering mechanism, the first universal joint fork is connected with the driving mechanism, the second universal joint fork is connected with the connecting shaft, namely, the first universal joint fork and the second universal joint fork realize the change of the transmission direction of the driving mechanism by the cross shaft, and when the rolling shutter door works, the normal rolling of the shutter plate is not influenced by the up-and-down jumping generated by the connecting shaft, so that the rolling shutter door can be effectively adapted to the jumping, and the service life of the rolling shutter door is further prolonged.

Drawings

FIG. 1 is a schematic diagram of the connection of a driving mechanism and a steering mechanism according to the present utility model;

FIG. 2 is a schematic view of the assembly of the driving mechanism and the connecting shaft according to the present utility model;

fig. 3 is a schematic diagram of the connection between the driving mechanism and the steering mechanism.

In the figure: 1. a driving mechanism; 2. a connecting shaft; 3. a driving shaft; 4. a mounting base; 5. a first sprocket; 6. a second sprocket; 7. a first yoke; 8. a second yoke; 9. a cross shaft; 10. a connecting seat; 11. a fixing seat.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-3, including actuating mechanism 1 and connecting axle 2, actuating mechanism 1 is located the both sides of connecting axle 2, actuating mechanism 1's one end is connected with steering mechanism, steering mechanism includes first universal joint fork 7, second universal joint fork 8 and cross axle 9, first universal joint fork 7 sets up in actuating mechanism 1's one side, one side rotation of first universal joint fork 7 is provided with second universal joint fork 8, be connected with cross axle 9 between first universal joint fork 7 and the second universal joint fork 8, one side of second universal joint fork 8 is provided with connecting seat 10 and fixing base 11 respectively, connecting seat 10 and fixing base 11 are connected with the both ends of connecting axle 2 respectively, through installing steering mechanism additional in actuating mechanism 1's one side, realize the relative rotation between actuating mechanism 1 and the connecting axle 2 through steering mechanism, first universal joint fork 7 is connected with actuating mechanism 1, second universal joint fork 8 is connected with connecting axle 2, promptly, first universal joint fork 7 and second universal joint fork 8 are connected with cross axle 9 by cross axle 9 realizes the drive direction of cross axle 1, the curtain is realized to the rolling shutter, the rolling shutter can not normally in order to have the rolling shutter, the rolling shutter is realized in order to the normal the rolling shutter, the rolling shutter door has the effect.

On the basis of the above structure, in this embodiment, the driving mechanism 1 includes a driving shaft 3, a first sprocket 5 and a second sprocket 6, the first sprocket 5 and the second sprocket 6 are disposed on the outer wall of the driving shaft 3, the second sprocket 6 is connected with the output shaft of the motor through a chain, the motor is started to drive the chain to rotate with the second sprocket 6, at this moment, the driving shaft 3 and the connecting shaft 2 rotate along with each other, and the driving shaft 3 rotates in the process of rotation, the first sprocket 5 drives the curtain plate winding mechanism to rotate through the chain, so as to control the lifting of the roller shutter door.

Wherein, the outer wall of the driving shaft 3 is provided with a group of mounting seats 4 at two sides of the first chain wheel 5, and the mounting seats 4 facilitate the driving mechanism 1 to be mounted on the door frame

The steering mechanism is arranged at the joint of the traditional scroll, so that the adaptation to up-and-down jumping in the working process is realized through the steering mechanism, and the influence on the service life due to the fact that the scroll possibly vibrates and changes in angle in the working process is avoided;

in the scheme, a steering mechanism is additionally arranged on one side of a driving mechanism 1, relative rotation between the driving mechanism 1 and a connecting shaft 2 is realized through the steering mechanism, a first universal joint fork 7 is connected with the driving mechanism 1, a second universal joint fork 8 is connected with the connecting shaft 2, namely, the first universal joint fork 7 and the second universal joint fork 8 realize the change of the transmission direction of the driving mechanism 1 through a cross shaft 9;

the work flow of rolling slats door, the starter motor, motor drive chain and the rotation of second sprocket 6, driving shaft 3 and connecting axle 2 rotate thereupon this moment, and driving shaft 3 is rotatory at the rotation in-process, and first sprocket 5 passes through the chain and drives curtain board winding mechanism, and then the lift of control rolling slats door, and the upper and lower that connecting axle 2 produced is beated and is buffered by steering mechanism, can not influence the normal rolling of curtain board, can effectually adapt to beating, and then has promoted rolling slats door's life.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a door spindle, includes actuating mechanism (1) and connecting axle (2), actuating mechanism (1) are located the both sides of connecting axle (2), its characterized in that: one end of the driving mechanism (1) is connected with a steering mechanism, the steering mechanism comprises a first universal joint fork (7), a second universal joint fork (8) and a cross shaft (9), the first universal joint fork (7) is arranged on one side of the driving mechanism (1), the second universal joint fork (8) is rotatably arranged on one side of the first universal joint fork (7), and the cross shaft (9) is connected between the first universal joint fork (7) and the second universal joint fork (8).

2. A door spindle as claimed in claim 1, wherein: the driving mechanism (1) comprises a driving shaft (3), a first chain wheel (5) and a second chain wheel (6), and the first chain wheel (5) and the second chain wheel (6) are arranged on the outer wall of the driving shaft (3).

3. A door spindle as claimed in claim 2, wherein: a group of mounting seats (4) are arranged on two sides of the outer wall of the driving shaft (3) positioned on the first chain wheel (5).

4. A door spindle as claimed in claim 1, wherein: one side of the second universal joint fork (8) is respectively provided with a connecting seat (10) and a fixed seat (11), and the connecting seat (10) and the fixed seat (11) are respectively connected with two ends of the connecting shaft (2).