CN214996992U - Door body linkage mechanism - Google Patents

Abstract

The utility model discloses a door body interlocking mechanism, a serial communication port, include: the first circulating chain is arranged in the driving door body beam, the driving rack is arranged in the driven door body beam and fixed with the driven door body beam, and the gear pair is coaxially arranged; a first gear of the gear pair is meshed with the first circulating chain, and a second gear of the gear pair is meshed with the driving rack. The utility model discloses a set up the chain of circulation rotation in the crossbeam of the initiative door body to utilize with the drive rack of chain drive's gear pair and with the meshing of gear pair to drive the driven door body, whole transmission mode does not rely on the operation condition of door gang wheel, not only simple structure, equipment convenience, need not extra derailleur, the operation of the door body is more stable, more reliable moreover, the expansion of the door body is drawn in and is not influenced by the dead card of door gang wheel; the relative movement distance of the front door row and the rear door row can be kept consistent very conveniently, and synchronous recovery and expansion of different door rows are realized.

Description

Door body linkage mechanism

Technical Field

The utility model relates to a door accessory technical field especially relates to a door body link gear.

Background

In the prior art, two types of common electric translation gates are mainly used, and one type of the common electric translation gate is a translation gate with a single-section structure. For example, the Chinese utility model with publication number CN202227963U discloses a light cantilever translation door, which comprises a door-moving bracket, a movable door, a guide rail, a roller bracket, a balance wheel bracket and a driving device composed of a gear transmission mechanism and a motor, the roller wheel bracket and the balance wheel bracket are fixed on the sliding door bracket at a certain distance, the roller wheel and the balance wheel are respectively hinged on the roller wheel bracket and the balance wheel bracket, the roller and the balance wheel are arranged in the guide rail, the guide rail is connected with the lower end of the movable door, the movable door is supported on the roller and the balance wheel through the guide rail, a motor in the driving device is arranged on the sliding door support, a gear transmission mechanism in the driving device is arranged in the roller wheel support, an input shaft of the gear transmission mechanism extends out of the guide rail and is connected with a motor shaft through a coupling, and an output shaft of the gear transmission mechanism is connected with the roller wheel. When the sliding door works, the motor drives the roller wheels to rotate through the gear transmission mechanism, and the friction force between the roller wheels and the guide rail is utilized to drive the guide rail and the sliding door. If no motor drives, the movable door is moved by pushing the movable door by hand.

Of course, in addition to the method of driving the movable door by using the friction force, there is also a driving method of driving the movable door by using a rack and pinion mechanism, as described in the chinese patent application with publication No. CN 106088905A. However, no matter which driving mode is adopted, the existing translation gate with the single-section structure has the following defects: when the door body is too long, the door body is required to be sufficiently contracted for a while, secondly, the long-distance transportation is limited, thirdly, the door body which is too long needs to be installed on site, and the installation process is complex.

Another type of motorized translation gate is a multi-section gate. For example, the chinese utility model with publication number CN211342719U discloses a sectional sliding door, which comprises a plurality of sliding seats, and door bodies fixed on the sliding seats and capable of being folded in by overlapping in sequence, wherein a machine head for driving the sliding seats to move is arranged on the sliding seat at the end; the aircraft nose includes drive arrangement, bottom plate and establishes walking wheelset on the bottom plate, drive arrangement with walking wheelset transmission is connected. The existing translation gate with the multi-section structure has the following defects: 1) the power supply drives the rest sections of the door bodies to operate through the front drive by distributing electric wires in the inner cavity of the door body. Due to the fact that the weather is cold and the material and the bending radius of the electric wire are limited, potential safety hazards such as broken wires and electric leakage of the door body exist in the electric wire arranged in the inner cavity of the door body. 2) The existing multi-section sliding door can only meet the requirement of 2-section operation or the operation of guide tracks in multiple sections, and the operation of multi-section guide-free tracks cannot be met. 3) The existing telescopic sliding door has the problem of high noise. 4) The existing wireless telescopic translation door adopts two sets of built-in double-shaft butt joints for connecting sectional door bodies, and is difficult to assemble and maintain.

Another chinese utility model patent with publication number CN207879237U discloses a sectional translation door, which is characterized in that, it includes the driving door body, the driven door body, connect the motor drive who drives the driving door body and remove, the guide bracket who corresponds with the driving door body, be provided with each other between the driving door body and the driven door body and detain sliding mechanism and chain drive sliding mechanism, chain drive sliding mechanism is including setting up the door gear seat in the driving door body bottom, the driving door gear wheel of setting on the door gear wheel seat, the variable speed drive who is connected with the shaft of driving door gear wheel, the sprocket actuating mechanism who is connected with variable speed drive's output shaft, sprocket actuating mechanism connects and drives the driven door body. Although the patent can drive a plurality of door bodies to operate through one motor driving device, wires do not need to be arranged in the door bodies; however, a gear speed change mechanism is required, the precision requirement is high, and the clamping is easy to occur. In addition, due to the influence of the operation environment of the sectional translation gate, the gate row wheels are very easy to be stuck and fail due to the influence of a plurality of external factors such as road jolt, stone blocking and the like in the operation process. When the door row wheel is locked, failed and can not rotate, the driven door body can not be folded and unfolded, and the operation effect is not ideal. In addition, when the number of the door bodies is three or more, the gear ratio of the gear change mechanism is not well controlled.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a simple structure, equipment are convenient, need not extra derailleur, and the expansion of door row draws in the door body interlock mechanism that does not receive the dead influence of door bank of wheels card.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A door interlock mechanism, comprising: the first circulating chain is arranged in the driving door body beam, the driving rack is arranged in the driven door body beam and fixed with the driven door body beam, and the gear pair is coaxially arranged; a first gear of the gear pair is meshed with the first circulating chain, and a second gear of the gear pair is meshed with the driving rack.

More preferably, the pitches of the first gear and the second gear are the same, and the gear ratio of the first gear to the second gear is > 1.

More preferably, the gear ratio of the first gear to the second gear is 2: 1.

More preferably, first guide wheels engaged with the first endless chain are provided at both ends of the first endless chain, and the first guide wheels adjacent to the driven door body serve as the first gears.

More preferably, a second circulating chain is arranged in the driven door body cross beam, second guide wheels meshed with the second circulating chain are arranged at two ends of the second circulating chain, and the tooth pitches of the second guide wheels and the second gear are the same.

More preferably, the gear ratio of the second guide wheel to the second gear is 2: 1.

More preferably, an accommodating groove for accommodating the first circulating chain is formed in the driving door body cross beam; the containing groove comprises an upper groove body and a lower groove body, wherein the two ends of the upper groove body and the two ends of the lower groove body are communicated, and the bottom of the lower groove body supports the corresponding first circulating chain.

More preferably, a containing groove for containing the second circulating chain is formed in the driven door body beam; the containing groove comprises an upper groove body and a lower groove body, wherein the two ends of the upper groove body and the two ends of the lower groove body are communicated, and the bottom of the lower groove body supports the second circulating chain correspondingly.

More preferably, a rack fixed to the beam of the driving door body is provided in the beam of the driving door body, and a driving wheel is disposed in the beam of the driving door body and engaged with the rack and the first circulating chain.

More preferably, the upper tank body and the lower tank body are respectively provided with corresponding wear-resistant sleeves, and the wear-resistant sleeves separate the circulating chains from the corresponding tank bodies.

The beneficial effects of the utility model are as follows.

Firstly, a chain which rotates circularly is arranged in a cross beam of a driving door body, and a gear pair which is driven by the chain and a driving rack which is meshed with the gear pair are utilized to drive a driven door body, the whole transmission mode does not depend on the running condition of a door row wheel, the structure is simple, the assembly is convenient, an additional speed changer is not needed, the operation of the door body is more stable and reliable, and the unfolding and folding of the door body are not affected by the blocking of the door row wheel; the relative movement distance of the front door row and the rear door row can be kept consistent very conveniently, and synchronous recovery and expansion of different door rows are realized.

Secondly, as the driven door body moves along with the driving door body, when the gear ratio of the first gear to the second gear of the gear pair is 2:1, the synchronism of unfolding and folding of the driving door body and the driven door body can be ensured, and the optimal selection is achieved.

And thirdly, the stable operation of the chain is ensured by arranging the upper groove body, the lower groove body and the corresponding wear-resistant sleeve in the cross beam, and the noise generated when the door body operates can be effectively reduced by the self-lubricating function of the wear-resistant rubber sleeve.

Drawings

Fig. 1 is a schematic structural view of a door linkage mechanism provided by the present invention.

Fig. 2 is a cross-sectional view of the cross-beam.

Reference numerals indicate the same.

1: active door body beam, 2: first endless chain, 3: driven door body beam, 4: drive rack, 5: first gear, 6: second gear, 7: connecting shaft, 8: drive wheel, 9: second endless chain, 10: storage tank, 10-1: an upper tank body, 10-2: lower tank body, 11: wear-resistant rubber sleeve.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope 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, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "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", if any, 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 meaning 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 description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1, a door interlocking mechanism is characterized by comprising: the first circulating chain 2 is arranged in the driving door body beam 1, the driving rack 4 is arranged in the driven door body beam 3 and fixed with the driven door body beam, and the gear pair is coaxially arranged; the gear pair comprises a connecting shaft 7, a first gear 5 and a second gear 6 which are fixed at two ends of the connecting shaft 7, the first gear 5 is meshed with the first circulating chain 2, and the second gear 6 is meshed with the driving rack 4.

During actual operation, the driving door body and the first circulating chain 2 are driven by the driving wheel 8, when the first circulating chain 2 operates, the first gear 5 meshed with the first circulating chain can be driven to operate, and the second gear 6 and the first gear 5 are fixedly connected through the connecting shaft 7, so that the second gear 6 can synchronously operate, the driving rack 4 meshed with the second gear 6 is driven, and the same-direction movement of the driven door body is realized. As for the way of driving the driving wheel 8 to drive the driving door body, it can be rack drive (preferred scheme) or chain drive, which is the common technical knowledge of those skilled in the art and will not be described in detail here.

It should be noted that, in order to conveniently control the operation speed ratio of the driven door body, in this embodiment, it is preferable that the tooth pitches of the first gear 5 and the second gear 6 are the same, and the gear ratio of the first gear to the second gear is 2: 1. Preferably, the drive wheel 8 and the first gear wheel 5 are also of the same pitch and the gear ratio of the first gear wheel 5 to the drive wheel 8 is also 2: 1. The benefits of this arrangement are: the opening and closing synchronism of the driving door body and the driven door body can be better ensured. Obviously, a person skilled in the art can adjust the gear ratio of the first gear and the second gear according to different actual needs (different lengths of the door bodies), and generally, the gear ratio of the first gear and the second gear is more than 1.

In this embodiment, the first endless chain 2 is supported by first guide rollers engaged at both ends thereof, and the first gear 5 is served by the first guide rollers adjacent to the driven door body. The structure is simpler like this, need not to set up extra first gear.

Furthermore, a second circulating chain 9 is further arranged in the driven door body cross beam 3, and second guide wheels meshed with the second circulating chain 9 are arranged at two ends of the second circulating chain 9. Here, the second endless chain 9 is provided for the purpose of powering the next stage of transmission. Of course, the second endless chain can be omitted entirely if the driven door body itself is the door body located at the extreme end.

When the driven door body has the second endless chain 9, the pitch of the second guide pulley and the pitch of the second gear are preferably the same. Preferably, the gear ratio of the second guide wheel to the second gear is 2: 1. So as to ensure the synchronism of the unfolding and folding of the next-stage door body.

Referring to fig. 2, a receiving groove 10 for receiving the first circulating chain 2 is provided in the driving door body beam 1. In this embodiment, preferably, the accommodating groove 10 includes an upper groove body 10-1 and a lower groove body 10-2, both ends of which are communicated, and the bottom of the lower groove body 10-2 supports the first circulating chain 2. Here, the advantage of providing two trough bodies is that it can play a supporting role to the first endless chain 2, and especially, the supporting role of the lower trough body 10-2 can ensure that the driving wheel 8 is better engaged with the first endless chain 2, so that the endless operation is more stable and reliable, and the phenomenon of disengagement is prevented.

Further preferably, corresponding wear-resistant rubber sleeves 11 are further respectively arranged in the upper tank body 10-1 and the lower tank body 10-2, and the wear-resistant rubber sleeves 11 separate the chain from the corresponding tank bodies. Therefore, the noise generated when the door body operates can be effectively reduced through the self-lubricating function of the wear-resistant rubber sleeve.

Obviously, a person skilled in the art can set the containing groove 10 into a single groove body according to different actual needs, and at this time, the supporting function of the containing groove 10 on the upper part of the circulating chain is eliminated, and only one of the outer protection function and the lower supporting function is performed. According to different actual needs, a person skilled in the art can also adopt wear-resistant sleeves made of other materials to replace the wear-resistant rubber sleeves; and are not limited to the above examples.

Correspondingly, a containing groove for containing the second circulating chain is arranged in the driven door body cross beam 3; the structure of the containing groove is the same as that of the containing groove in the driving door beam 1, and details are not repeated here.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A door interlock mechanism, comprising: the first circulating chain is arranged in the driving door body beam, the driving rack is arranged in the driven door body beam and fixed with the driven door body beam, and the gear pair is coaxially arranged; a first gear of the gear pair is meshed with the first circulating chain, and a second gear of the gear pair is meshed with the driving rack.

2. A door link mechanism according to claim 1, wherein said first gear and said second gear have the same pitch, and the ratio of the number of teeth of said first gear to the number of teeth of said second gear is > 1.

3. A door link mechanism as claimed in claim 2, wherein the ratio of the number of teeth of said first gear to said second gear is 2: 1.

4. A door linkage mechanism according to claim 1, wherein first guide rollers are provided at both ends of said first endless chain to engage therewith, said first guide rollers adjacent to the driven door body serving as said first gear.

5. The door linkage mechanism as claimed in claim 1, wherein a second endless chain is provided in the driven door beam, and second guide wheels engaged with the second endless chain are provided at both ends of the second endless chain, and the second guide wheels and the second gear have the same pitch.

6. A door body linkage mechanism according to claim 5, wherein the gear ratio of the second guide wheel to the second gear is 2: 1.

7. The door linkage mechanism according to claim 1, wherein a receiving groove for receiving the first endless chain is provided in the driving door body beam; the containing groove comprises an upper groove body and a lower groove body, wherein the two ends of the upper groove body and the two ends of the lower groove body are communicated, and the bottom of the lower groove body supports the corresponding first circulating chain.

8. The door body linkage mechanism according to claim 5, wherein a receiving groove for receiving the second endless chain is provided in the driven door body beam; the containing groove comprises an upper groove body and a lower groove body, wherein the two ends of the upper groove body and the two ends of the lower groove body are communicated, and the bottom of the lower groove body supports the second circulating chain correspondingly.

9. A door linkage according to claim 7 or 8, wherein respective wear sleeves are provided in the upper and lower channels, the wear sleeves separating the endless chain from the respective channels.

10. The door linkage mechanism according to any one of claims 1 to 8, wherein a rack is fixed to the beam of the driving door, and a driving wheel is disposed in the beam of the driving door and engaged with the rack and the first endless chain.

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