CN215671728U - Driving mechanism of linear door - Google Patents

Abstract

The utility model discloses a driving mechanism of a linear door, which is characterized by comprising a motor fixing seat, a motor assembly, a rack arranged at the bottom side of a door row and a gear transmission mechanism connected between the motor assembly and the rack, wherein the gear transmission mechanism comprises a motor gear and a long gear in meshing transmission with the motor gear, and the tooth transverse direction of the rack is the lateral direction of the door row and is meshed with the long gear. The utility model has simple structure and stable performance.

Description

Driving mechanism of linear door

Technical Field

The utility model relates to the technical field of linear doors, in particular to a driving mechanism of a linear door.

Background

Most of the existing sliding doors are electric sliding doors, have the characteristic of multiple functions, have tighter requirements on wind load resistance of door bodies, and are suitable for being installed on various factory building structures. At present, the common structural style of the electric translation door has the guide rail and does not have the guide rail, the concrete structure of the translation door with the guide rail is that a driving motor is fixed on one side of a channel, the channel is transversely provided with the guide rail, the lower part of a door body is provided with a rack meshed with a gear of the driving motor and a roller capable of rolling along the guide rail, a transmission gear is driven to rotate through the driving motor, the driving door body translates left and right along the guide rail to complete the actions of opening and closing the door, all circuits of a control system can be hidden in a control box, and the safety performance is good. However, the defects are that the guide rail needs to span the whole channel, and the vehicle needs to press the bottom surface provided with the guide rail, so that the guide rail is easily damaged, and the smoothness of the operation of the door body is influenced. The trackless translation door is not provided with a guide rail, so that the requirement on the guidance of the door row is higher. If chinese patent application No. 200820108755.3, a trackless electric linear door, including set up the door body on the passageway and be located the quick-witted case that is equipped with driving motor and decelerator of passageway one side, its characteristics are: the door body is formed by fixedly connecting a door leaf and a bottom rail, the length of the door leaf is slightly longer than the width of the channel, the length of the bottom rail is longer than that of the door leaf, and a fixed rod is obliquely arranged at the rear end of the longer part of the bottom rail and the upper part of the rear end of the door leaf; the front end of the bottom rail is suspended above the ground, the rear end of the bottom rail is sleeved with 2 roller groups arranged on one side of the channel, and the bottom rail is in rolling connection with the roller groups. The disadvantage of this patent structure is that, the ground wheel design is walked to the door row, and the rack needs to be adorned vertically, and easy derailment when meeting ground unevenness influences its stability.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a linear door driving mechanism with simple structure and good stability.

The utility model adopts the following technical scheme to realize the purpose: the utility model provides a drive mechanism of sharp door, its characterized in that, it includes the motor fixing base, motor element, set up the rack in door row bottom side, connect the gear drive between motor element and rack, gear drive includes motor gear and with motor gear meshing driven long gear, the tooth horizontal orientation of rack is the side direction of door row, with long gear meshing, increase the activity space from top to bottom through a gear drive, the door body is when the operation, meet the ground inequality, long gear can move from top to bottom, effectively solve the problem of taking off the tooth.

As a further explanation of the above scheme, the motor fixing seat includes a bottom plate and a motor fixing plate, the motor fixing plate is vertically fixed on the bottom plate, and the motor assembly is fixed on the motor fixing plate.

Further, a gear fixing plate is arranged on the outer side of the motor fixing plate, a gear mounting groove with a downward opening is formed in the gear fixing plate, a gear fixing shaft is arranged on the long gear, and a shaft hole corresponding to the gear fixing shaft is formed in the gear mounting groove.

Furthermore, gear fixing shafts are arranged at two ends of the long gear, bearings are sleeved outside the gear fixing shafts, and caulking grooves corresponding to the bearings are formed in the end portions of the long gear.

Furthermore, the gear fixing plate is vertical to the motor fixing plate, and the gear fixing plate is fixedly connected with the bottom plate.

Furthermore, a plurality of screw holes are formed in the gear fixing plate, fasteners are arranged on the screw holes, and the motor assembly is fixedly connected with the gear fixing plate through the fasteners.

Furthermore, the bottom side of the door row is provided with a concave position, and the rack is embedded into the concave position.

The utility model adopts the technical scheme to achieve the beneficial effects.

The linear door driving structure mainly comprises a motor fixing seat, a motor assembly, a rack arranged at the bottom side of a door row and a gear transmission mechanism connected between the motor assembly and the rack, wherein the gear transmission mechanism comprises a motor gear and a long gear in meshing transmission with the motor gear, the tooth transverse direction of the rack is the lateral direction of the door row and is meshed with the long gear, the up-and-down moving space is increased through the gear transmission mechanism, when a door body runs, the door body meets the uneven ground, the long gear can move up and down, the problem of tooth disengagement is effectively solved, and the linear door driving structure runs stably and smoothly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Description of reference numerals: 1. the motor fixing seat comprises a motor fixing seat 1-1, a bottom plate 1-2, a motor fixing plate 1-3, a gear fixing plate 1-31, a gear mounting groove 1-32, a gear fixing shaft 1-33, a bearing 2, a motor component 3, a rack 4, a gear transmission mechanism 4-1, a motor gear 4-2, a long gear 5 and a door row.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.

As shown in fig. 1-3, the utility model is a driving mechanism of a linear door, which comprises a motor fixing seat 1, a motor component 2, a rack 3 arranged at the bottom side of a door row 5, and a gear transmission mechanism 4 connected between the motor component and the rack, wherein the gear transmission mechanism comprises a motor gear 4-1 and a long gear 4-2 in meshing transmission with the motor gear, the tooth transverse direction of the rack is the side direction of the door row, the rack is horizontally outward, the rack is meshed with the long gear, the up-down moving space is increased through the gear transmission mechanism, when a door body runs, the ground is uneven, the long gear can move up and down, and the problem of tooth disengagement is effectively solved. The motor fixing seat 1 comprises a bottom plate 1-1 and a motor fixing plate 1-2, the motor fixing plate is vertically fixed on the bottom plate, and the motor assembly is fixed on the motor fixing plate.

Further, a gear fixing plate 1-3 is arranged on the outer side of the motor fixing plate, the gear fixing plate is provided with a gear mounting groove 1-31 with a downward opening, the long gear is provided with a gear fixing shaft 1-32, and the gear mounting groove is provided with a shaft hole corresponding to the gear fixing shaft. In the embodiment, two ends of the long gear are respectively provided with a gear fixing shaft, bearings 1-33 are sleeved outside the gear fixing shafts, and the end part of the long gear is provided with a caulking groove corresponding to the bearings. The middle part of the gear fixing shaft is provided with a bulge, and the bulge is arranged along the circumferential direction of the gear fixing shaft to form a convex ring structure so as to position the bearing.

Furthermore, the gear fixing plate is vertical to the motor fixing plate, and the gear fixing plate is fixedly connected with the bottom plate. The gear fixing plate is provided with a plurality of screw holes, the screw holes are provided with fasteners, and the motor assembly is fixedly connected with the gear fixing plate through the fasteners. The bottom side of the door row is provided with a concave position, and the rack is embedded into the concave position.

Compared with the prior art, the linear door driving structure mainly comprises a motor fixing seat, a motor assembly, a rack arranged at the bottom side of a door row and a gear transmission mechanism connected between the motor assembly and the rack, wherein the tooth transverse direction of the rack is the side direction of the door row and is meshed with a long gear of the gear transmission mechanism, the vertical moving space is increased through one gear transmission mechanism, when a door body runs, the door body meets the uneven ground, the long gear can move up and down, the problem of tooth disengagement is effectively solved, and the linear door driving structure runs stably and smoothly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (7)

1. The driving mechanism of the linear door is characterized by comprising a motor fixing seat, a motor component, a rack arranged at the bottom side of a door row and a gear transmission mechanism connected between the motor component and the rack, wherein the gear transmission mechanism comprises a motor gear and a long gear meshed with the motor gear for transmission, and the transverse direction of teeth of the rack is the lateral direction of the door row and is meshed with the long gear.

2. The linear door driving mechanism as claimed in claim 1, wherein the motor fixing base includes a base plate, a motor fixing plate vertically fixed on the base plate, and a motor assembly fixed on the motor fixing plate.

3. The linear door driving mechanism according to claim 2, wherein a gear fixing plate is provided at an outer side of the motor fixing plate, the gear fixing plate is provided with a gear mounting groove opened downward, the long gear is provided with a gear fixing shaft, and the gear mounting groove is provided with a shaft hole corresponding to the gear fixing shaft.

4. The linear door driving mechanism according to claim 3, wherein the long gear has a gear fixing shaft at both ends thereof, the gear fixing shaft is sleeved with a bearing, and the end of the long gear has a groove corresponding to the bearing.

5. The linear door driving mechanism according to claim 2, wherein the gear fixing plate is perpendicular to the motor fixing plate, and the gear fixing plate is fixedly connected to the base plate.

6. The linear door driving mechanism as claimed in claim 3, wherein the gear fixing plate has a plurality of screw holes formed therein, and the screw holes have fasteners formed thereon, and the motor assembly is fixedly coupled to the gear fixing plate by the fasteners.

7. The linear door driving mechanism according to claim 1, wherein the door row is provided at a bottom side thereof with a recess, and the rack gear is inserted into the recess.

Images