CN218178399U - Roll adjustment device and intelligent wearing equipment - Google Patents

Abstract

The application belongs to the technical field of intelligent wearing, and particularly relates to a distance adjusting device and intelligent wearing equipment, wherein the distance adjusting device comprises a support, a driving mechanism, a first screw rod, a second screw rod, a first nut and a second nut, and the first nut and the second nut are respectively screwed on the first screw rod and the second screw rod; one end of the first screw rod is coaxially and fixedly connected with one end of the second screw rod, and the other end of the first screw rod and the other end of the second screw rod are rotatably arranged on the bracket; the driving mechanism is connected with the support, and the driving end of the driving mechanism is connected with any one of the first screw rod and the second screw rod and used for driving the first screw rod and the second screw rod to rotate. The distance adjusting device is low in manufacturing cost, short in manufacturing time and high in manufacturing efficiency, meanwhile, the consistency of driving the two display screens (or the two mirror frames) to move is good, the control coordination is good, the operation efficiency is high, and the visual effect of watching by a user is good.

Description

Roll adjustment device and intelligent wearing equipment

Technical Field

The application belongs to the technical field of intelligence is dressed, especially relates to a roll adjustment device and intelligent wearing equipment.

Background

With the rapid development of intelligent wearing equipment such as intelligent glasses and lifting cameras, a distance adjusting device for adjusting the distance between two parts is usually arranged in the intelligent wearing equipment, and the distance adjusting device usually comprises two driving parts and two screw rods with opposite spiral directions; taking the distance adjusting device of the intelligent glasses as an example, the two driving pieces are respectively connected with the two screw rods and drive the two screw rods to rotate, so that nuts connected to the two screw rods are driven to relatively move close to or far away from each other, and further, the distance adjustment between the display screens on the left side and the right side or the picture frames on the left side and the right side is realized; the display screens or the mirror frames on the left side and the right side are respectively driven by different driving pieces, so that the movement consistency and the control coordination between the display screens or the mirror frames on the left side and the right side are poor, and the visual perception of a user is influenced; at present, in order to solve the problems, a driving piece is matched with a screw rod, and thread sections with different spiral directions are arranged on two opposite sides of the screw rod respectively, so that adjustment is achieved, but the cost of the screw rod is high, and the manufacturing period is long.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a roll adjustment device, aim at solving and have among the roll adjustment device among the prior art that the regulation uniformity is poor, control harmony is poor and the technical problem that the cost of manufacture is high.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a distance adjusting device comprises a bracket, a driving mechanism, a first screw rod, a second screw rod, a first nut and a second nut, wherein the first nut and the second nut are respectively screwed on the first screw rod and the second screw rod;

one end of the first lead screw is coaxially and fixedly connected with one end of the second lead screw, and the other end of the first lead screw and the other end of the second lead screw are rotatably arranged on the bracket;

the driving mechanism is connected with the support, and the driving end of the driving mechanism is connected with any one of the first screw rod and the second screw rod and is used for driving the first screw rod and the second screw rod to rotate.

Optionally, an end of the first lead screw is coaxially welded with an end of the second lead screw.

Optionally, the distance adjusting device further comprises a guide rod, the guide rod is mounted on the support and arranged in parallel with the first screw rod at an interval, the first nut and the second nut are respectively provided with a first guide hole and a second guide hole, and the guide rod penetrates through the first guide hole and the second guide hole.

Optionally, the bracket is provided with an accommodating cavity, and the first screw rod, the second screw rod, the guide rod, the first nut and the second nut are all located in the accommodating cavity;

the side face, located on the first screw rod, of the accommodating cavity is provided with a notch, and the end portion of the first nut and the end portion of the second nut extend out of the notch.

Optionally, the bottom surface of the cavity of the accommodating cavity is provided with a guide protrusion, and the first nut and the second nut are both provided with a guide groove in sliding fit with the guide protrusion.

Optionally, the distance adjusting device further comprises a first bearing and a second bearing, a first rotating hole and a second rotating hole are formed in two opposite cavity walls of the accommodating cavity, an end of the first lead screw is rotatably mounted in the first rotating hole through the first bearing, an end of the second lead screw is rotatably mounted in the second rotating hole through the second bearing, and the end of the first lead screw penetrates through the first rotating hole and is connected with the driving mechanism;

fixing holes are formed in the two opposite cavity walls of the accommodating cavity, and two ends of the guide rod are fixed in the two fixing holes respectively.

Optionally, the distance adjusting device further comprises a cover plate, the cover plate is mounted on a side surface of the bracket, which faces away from the driving mechanism, and seals the corresponding fixing hole; the inner wall of the second rotating hole is provided with an abutting protrusion, and the second bearing is located between the abutting protrusion and the cover plate.

Optionally, the bracket is provided with a mounting cavity, and the first rotating hole is located between and communicates the mounting cavity and the accommodating cavity; the driving mechanism comprises a motor and a gear mechanism which are arranged in the mounting cavity, and an output shaft of the motor is connected with the end part of the first screw rod through the gear mechanism.

Optionally, the direction of the spiral of the first screw is opposite to the direction of the spiral of the second screw. One or more technical solutions in the distance adjusting device provided by the present application have at least one of the following technical effects: when the distance adjusting device works, a left display screen and a right display screen (or a left picture frame and a right picture frame) are respectively arranged on a first nut and a second nut, then a driving mechanism is started to drive a first screw rod and a second screw rod to rotate, so that the first nut and the second nut are driven to be relatively close to or far away from each other, and the adjustment of the distance between the two display screens (or the two picture frames) is realized, so that the use requirements of different users on different interpupillary distances are met; in addition, the first screw rod and the second screw rod are coaxially and fixedly connected, namely the screw rod of the distance adjusting device is obtained by coaxially fixing the two screw rods, so that the manufacturing cost of the screw rods can be greatly reduced, the die opening time period of the screw rods is shortened, the production and manufacturing are accelerated, and the production efficiency is improved; meanwhile, the driving end of the driving mechanism is connected with any one of the first screw rod and the second screw rod and used for driving the first screw rod and the second screw rod to rotate, namely, the distance adjusting device synchronously drives the first screw rod and the second screw rod to rotate by one driving mechanism, so that the first nut and the second nut are guaranteed to have good synchronism, the two display screens (or the two mirror frames) are good in moving consistency, good in control coordination, high in operation efficiency and good in visual effect of watching by a user.

Another technical scheme adopted by the application is as follows: an intelligence wearing equipment includes foretell roll adjustment device.

According to the intelligent wearable device, due to the adoption of the distance adjusting device, the production and manufacturing of the intelligent wearable device can be accelerated, and the production efficiency is improved; in addition, the left display screen and the right display screen (or the left picture frame and the right picture frame) in the intelligent wearable device are good in moving consistency, good in control consistency, high in operation efficiency and good in visual effect of watching by a user.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a pitch adjustment device according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the pitch adjusting apparatus shown in fig. 1.

Fig. 3 is a partially enlarged view of a point a in fig. 2.

Fig. 4 is an exploded view of the pitch device shown in fig. 1.

Wherein, in the figures, the various reference numbers:

10-support 11-accommodation chamber 12-gap

13-guide projection 14-first rotating hole 15-second rotating hole

16-fixing hole 17-abutting projection 18-mounting cavity

19-fixed protrusion 20-driving mechanism 21-motor

22-gear mechanism 23-motor tooth 31-first screw rod

32-second screw rod 41-first nut 42-second nut

51-guide rod 52-first bearing 53-second bearing

54-fastener 55-base 56-flexible circuit board

57-end cap 58-cover plate 411-first guide hole

412-guide groove 413-first threaded hole 422-second guide hole

421-second threaded hole 551-bottom plate portion 552-annular side wall portion

581-sealing cover projection 5511-through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in fig. 1-4, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to fig. 1 to 4 are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the same reference numerals are used to denote the same components or parts in the embodiments of the present application, and for the same parts in the embodiments of the present application, only one of the parts or parts may be given the reference numeral, and it should be understood that the reference numerals are also applicable to the other same parts or parts.

In this application, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, in an embodiment of the present application, a distance adjustment apparatus is provided, which is mainly used for driving two components to approach or move away from each other relatively, so as to implement distance adjustment between the two components, and is applicable to intelligent wearable devices such as a lifting camera and intelligent glasses; specifically, this roll adjustment device can adjust the interval between two display screens about in the intelligent glasses or control the interval between two picture frames to the different interpupillary distances of different users of adaptation.

As shown in fig. 1, the distance adjusting device according to the embodiment of the present application includes a bracket 10, a driving mechanism 20, a first lead screw 31, a second lead screw 32, a first nut 41 and a second nut 42, where the first nut 41 and the second nut 42 are respectively screwed on the first lead screw 31 and the second lead screw 32, it can be understood that the first nut 41 and the second nut 42 respectively have a first threaded hole 413 and a second threaded hole 421, the first lead screw 31 and the second lead screw 32 respectively penetrate through the first threaded hole 413 and the second threaded hole 421, an internal thread of the first threaded hole 413 matches with an external thread on the first lead screw 31, and an internal thread of the second threaded hole 421 matches with an external thread on the second lead screw 32; the spiral direction of the external thread on the first screw rod 31 and the spiral direction of the external thread on the second screw rod 32 can be the same or different; when the spiral direction of the external thread on the first lead screw 31 is the same as the spiral direction of the external thread on the second lead screw 32, the pitch of the external thread on the first lead screw 31 is different from the pitch of the external thread on the second lead screw 32, so that when the first lead screw 31 and the second lead screw 32 rotate synchronously, the moving distances of the first nut 41 and the second nut 42 in the same direction are inconsistent, and the adjustment of the distance between the first nut 41 and the second nut 42 is realized; when the spiral direction of the external thread on the first lead screw 31 is opposite to the spiral direction of the external thread on the second lead screw 32, the thread pitch of the external thread on the first lead screw 31 may be the same as or different from the thread pitch of the external thread on the second lead screw 32, so that when the first lead screw 31 and the second lead screw 32 rotate synchronously, the first nut 41 and the second nut 42 are relatively close to or relatively far away from each other, thereby realizing the adjustment of the distance between the first nut 41 and the second nut 42, and the distance adjustment speed is high and the efficiency is high.

In this embodiment, one end of the first lead screw 31 is coaxially and fixedly connected with one end of the second lead screw 32, and the other end of the first lead screw 31 and the other end of the second lead screw 32 are both rotatably mounted on the bracket 10; it can be understood that the axis of the first lead screw 31 coincides with the axis of the second lead screw 32, so that the first lead screw 31 and the second lead screw 32 can rotate around the same straight line in the same direction, and the first nut 41 and the second nut 42 are driven to relatively approach or move away, thereby realizing the adjustment of the distance.

In the present embodiment, the driving mechanism 20 is connected to the bracket 10, and the driving end of the driving mechanism 20 is connected to any one of the first lead screw 31 and the second lead screw 32 and is used for driving the first lead screw 31 and the second lead screw 32 to rotate. It can be understood that the driving end of the driving mechanism 20 is connected to the first lead screw 31 or the second lead screw 32, and the driving mechanism 20 is used as a power source for the first lead screw 31 and the second lead screw 32, and can synchronously drive the first lead screw 31 and the second lead screw 32 to rotate, so as to ensure that the first nut 41 and the second nut 42 have good consistency in movement.

When the distance adjusting device works, a left display screen and a right display screen (or a left mirror frame and a right mirror frame) are respectively installed on the first nut 41 and the second nut 42, then the driving mechanism 20 is started to drive the first screw rod 31 and the second screw rod 32 to rotate, so that the first nut 41 and the second nut 42 are driven to be relatively close to or far away from each other, and therefore the distance between the two display screens (or the two mirror frames) can be adjusted, and the use requirements of different users on different interpupillary distances can be met; in addition, the first screw rod 31 and the second screw rod 32 are coaxially and fixedly connected, namely, the screw rod of the distance adjusting device is obtained by coaxially fixing the two screw rods, so that the manufacturing cost of the screw rods can be greatly reduced, the die opening time period of the screw rods is shortened, the production and manufacturing are accelerated, and the production efficiency is improved; meanwhile, the driving end of the driving mechanism 20 is connected with any one of the first lead screw 31 and the second lead screw 32 and is used for driving the first lead screw 31 and the second lead screw 32 to rotate, that is, the distance adjusting device synchronously drives the first lead screw 31 and the second lead screw 32 to rotate by one driving mechanism 20, so that the first nut 41 and the second nut 42 are ensured to have good synchronism in moving, the two display screens (or two mirror frames) have good moving consistency, the control consistency is good, the operation efficiency is high, and the visual effect of watching by a user is good.

In another embodiment of the present application, the end of the first lead screw 31 of the distance adjusting device is provided coaxially welded to the end of the second lead screw 32. The first screw rod 31 and the second screw rod 32 are connected by welding, the connection mode is simple, the processing and manufacturing time can be further shortened, the production and manufacturing are accelerated, and the production and manufacturing cost is reduced. Of course, in other embodiments, the connection between the first lead screw 31 and the second lead screw 32 may also be a fixed connection manner such as riveting, bonding, bolting, and the like.

In another embodiment of the present application, as shown in fig. 1 and 4, the distance adjusting device of the distance adjusting device further includes a guide rod 51, the guide rod 51 is installed on the bracket 10 and is parallel to and spaced from the first screw 31, the first nut 41 and the second nut 42 are respectively provided with a first guide hole 411 and a second guide hole 422, and the guide rod 51 penetrates through the first guide hole 411 and the second guide hole 422. It can be understood that, the first guiding hole 411 and the second guiding hole 422 are both in clearance fit with the guiding rod 51, so that the first nut 41 and the second nut 42 can slide along the axis of the guiding rod 51, thereby playing a guiding role, and under the guiding role of the guiding rod 51 matched with the first guiding hole 411 and the second guiding hole 422, the first nut 41 and the second nut 42 have good stability and reliability in moving, higher operation efficiency and better visual effect for users to watch.

In another embodiment, the number of the guide rods 51 may be one, two or more than three, and the greater the number of the guide rods 51, the better the smoothness of the movement of the first nut 41 and the second nut 42; in consideration of manufacturing cost, it is preferable that the number of the guide rods 51 is two, and the two guide rods 51 are respectively located at opposite sides of the first screw 31.

In another embodiment of the present application, referring to fig. 1, a receiving cavity 11 is formed in a bracket 10 of the distance adjusting device, and the first lead screw 31, the second lead screw 32, the guide rod 51, the first nut 41 and the second nut 42 are all located in the receiving cavity 11; the accommodating cavity 11 provides an installation space for the first screw rod 31, the second screw rod 32, the guide rod 51, the first nut 41 and the second nut 42, and can also play a role in protection, so that the distance adjusting device can stably, safely and efficiently operate; in addition, a notch 12 is formed in the side surface of the accommodating cavity 11, which is located on the first lead screw 31, and the end portion of the first nut 41 and the end portion of the second nut 42 extend out of the notch 12, so that the first nut 41 and the second nut 42 can be conveniently connected with two display screens (or two mirror frames).

In another embodiment of the present application, as shown in fig. 4, a guide protrusion 13 is disposed on a bottom surface of the accommodating cavity 11 of the distance adjusting device, and the first nut 41 and the second nut 42 are both provided with a guide groove 412 slidably engaged with the guide protrusion 13. Under the guiding action of the guide protrusion 13 and the guide groove 412, the first nut 41 and the second nut 42 move stably and reliably, the operation efficiency is higher, and the visual effect viewed by a user is better.

In another embodiment, the number of the guide protrusions 13 may be one, two, or more than three, and the greater the number of the guide protrusions 13, the better the smoothness of the movement of the first nut 41 and the second nut 42; in consideration of manufacturing cost, it is preferable that the number of the guide protrusions 13 is two, and the two guide protrusions 13 are respectively located at opposite sides of the first screw 31.

In another embodiment of the present application, as shown in fig. 2 and 4, the distance adjusting device further includes a first bearing 52 and a second bearing 53, the two opposite cavity walls of the accommodating cavity 11 are both provided with a first rotating hole 14 and a second rotating hole 15, an end of the first lead screw 31 is rotatably installed in the first rotating hole 14 through the first bearing 52, an end of the second lead screw 32 is rotatably installed in the second rotating hole 15 through the second bearing 53, and an end of the first lead screw 31 penetrates through the first rotating hole 14 and is connected to the driving mechanism 20; the first screw rod 31 and the second screw rod 32 are good in rotation smoothness, the first nut 41 and the second nut 42 are better in moving stability, the operation efficiency is higher, and the visual effect of watching by a user is better.

In this embodiment, the fixing holes 16 are opened on two opposite walls of the accommodating cavity 11, and two ends of the guide rod 51 are respectively fixed to the two fixing holes 16. The guide rod 51 is directly arranged in the fixing holes 16 on the two opposite side walls of the accommodating cavity 11, and the fixing structure is simple, so that the distance adjusting device is simpler and more convenient to manufacture, and the processing and manufacturing cost is lower.

In another embodiment of the present application, as shown in fig. 2 and 3, the distance adjusting device further includes a cover plate 58, the cover plate 58 is installed on a side surface of the bracket 10 facing away from the driving mechanism 20 and seals the corresponding fixing hole 16, the cover plate 58 seals the fixing hole 16, so that the guide rod 51 cannot be pulled out from the fixing hole 16, where it should be noted that a fixing protrusion 19 is provided in the other fixing hole 16, and two ends of the guide rod 51 abut against the fixing protrusion 19 and the cover plate 58, respectively, so that the axial fixing of the guide rod 51 is achieved, and the fixing manner of the guide rod 51 is simple, and the assembly of the guide rod 51 is also facilitated.

In the present embodiment, the inner wall of the second rotation hole 15 is provided with the abutment projection 17, and the second bearing 53 is located between the abutment projection 17 and the cover plate 58. The second bearing 53 is abutted against the abutting projection 17, so that the second bearing 53 is axially positioned, the second bearing 53 is prevented from being separated from the second rotating hole 15, the first screw rod 31 and the second screw rod 32 are well fixed, the movement errors of the first nut 41 and the second nut 42 are reduced, and the distance adjustment precision is improved.

In a specific embodiment, the cover plate 58 is further provided with a cover protrusion 581, and the cover protrusion 581 extends into the second rotation hole 15; the second bearing 53 is located between the cover protrusion 581 and the abutting protrusion 17, and the cover protrusion 581 can reduce the moving distance of the second bearing 53 in the second rotating hole 15, thereby reducing the moving errors of the first nut 41 and the second nut 42 and improving the distance adjustment precision.

In a specific embodiment, the cover plate 58 and the bracket 10 may be fixedly connected, such as welded or the like; or can be detachably connected, such as screw connection, clamping connection and the like; preferably, the cover plate 58 is connected with the bracket 10 through a fastener 54, wherein the fastener 54 can be a bolt, a screw or a screw, so as to ensure the stable installation of the cover plate 58, thereby realizing the stable installation of the guide rod 51, the first lead screw 31 and the second lead screw 32, reducing the movement error and improving the distance adjustment precision.

In another embodiment of the present application, as shown in fig. 2 and 3, the bracket 10 of the distance adjusting device is provided with a mounting cavity 18, and the first rotating hole 14 is located between the mounting cavity 18 and the accommodating cavity 11 and communicates the mounting cavity 18 and the accommodating cavity 11; the driving mechanism 20 includes a motor 21 and a gear mechanism 22 installed in the installation cavity 18, and an output shaft of the motor 21 is connected with an end portion of the first lead screw 31 through the gear mechanism 22. Specifically, the rotational power output by the output shaft of the motor 21 is reduced and increased in power by the gear mechanism 22 to drive the first lead screw 31 and the second lead screw 32 to rotate, and the first lead screw 31 and the second lead screw 32 rotate to drive the first nut 41 and the second nut 42 to relatively approach or separate from each other, so that the distance between the two display screens (or the two mirror frames) is adjusted. The motor 21 and the gear mechanism 22 are positioned in the mounting cavity 18, so that the motor 21 and the gear mechanism 22 are not exposed, and the motor 21 and the gear mechanism 22 are ensured to operate stably, safely and efficiently; for example, the gear mechanism 22 may be a planetary gear mechanism, which has a compact structure, a small volume and a light weight, and can meet the installation requirement of a small space, thereby being beneficial to the miniaturization and light weight of the smart glasses.

In another embodiment of the present application, as shown in fig. 2 and fig. 3, the driving mechanism 20 of the distance adjusting device further includes a base 55 disposed between the motor 21 and the planetary gear transmission mechanism, the output shaft of the motor 21 is provided with a motor tooth 23, the base 55 includes a bottom plate portion 551 and a ring side wall portion 552 annularly disposed on the bottom plate portion 551, the ring side wall portion 552 abuts against the cavity wall of the installation cavity 18, the bottom plate portion 551 is provided with a through hole 5511, the motor tooth 23 is located in the ring side wall portion 552, and a gear portion of the motor tooth 23 penetrates out of the through hole 5511 and is connected with the planetary gear transmission mechanism. When the planetary gear transmission mechanism is installed at the end part of the installation cavity 18 close to the second rotating hole 15, the base 55 is installed in the installation cavity 18, the bottom plate 551 of the base 55 faces the gear mechanism 22, and the annular side wall 552 annularly arranged on the bottom plate 551 is abutted to the inner wall of the installation cavity 18, so that the base 55 is ensured to be fixed in the installation cavity 18, and when the subsequent motor teeth 23 and the motor 21 are installed again under the blocking of the bottom plate 551, the parts of the gear mechanism 22 cannot be taken out, thereby reducing the installation difficulty and improving the installation efficiency; during specific work, the output shaft of the motor 21 drives the motor teeth 23 to rotate, the motor teeth 23 rotate to drive the gear mechanism 22 to operate, so that the first screw rod 31 and the second screw rod 32 are driven to rotate, the first nut 41 and the second nut 42 are driven to be relatively close to or far away from each other, and the distance between the two display screens (or the two mirror frames) is adjusted.

In another embodiment, as shown in fig. 4, the distance adjusting device further includes a flexible circuit board 56, a terminal line of the motor 21 is electrically connected to a connection port of the flexible circuit board 56, and the motor 21 provides power to drive the gear mechanism 22 to rotate. In addition, the flexible circuit board 56 can be connected to an external control to achieve automated control of the pitch device.

In another embodiment, as shown in fig. 4, an opening is formed on a side of the mounting cavity 18 facing away from the second rotating hole 15, and the opening can facilitate the installation of the components such as the gear mechanism 22, the base 55, and the motor 21 in the mounting cavity 18, and an end cover 57 is disposed at the opening to axially fix the components such as the gear mechanism 22, the base 55, and the motor 21. In a specific embodiment, the end cap 57 and the bracket 10 may be fixedly connected, such as welded; or can be detachably connected, such as screw connection, clamping connection and the like; but also by fasteners, which may be bolts, screws or screws. Preferably, the end cover 57 is fastened on the bracket 10, so that the end cover 57 is more simple and convenient to mount, the mounting and manufacturing efficiency of the distance adjusting device is improved, and the manufacturing cost is reduced.

In another embodiment of the application, an intelligent wearable device is provided, which comprises the distance adjusting device.

According to the intelligent wearable device, due to the adoption of the distance adjusting device, the production and manufacturing of the intelligent wearable device can be accelerated, and the production efficiency is improved; in addition, two display screens (or two picture frames about) move the uniformity about this intelligence wearing equipment is good, and control harmony is good, and the operating efficiency is high, and the visual effect that the user watched is good. Because the intelligent wearing equipment of this application embodiment has adopted all technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer give unnecessary details here.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A distance adjusting device comprises a support, a driving mechanism, a first screw rod, a second screw rod, a first nut and a second nut, wherein the first nut and the second nut are respectively in threaded connection with the first screw rod and the second screw rod; the method is characterized in that:

one end of the first screw rod is coaxially and fixedly connected with one end of the second screw rod, and the other end of the first screw rod and the other end of the second screw rod are rotatably arranged on the bracket;

the driving mechanism is connected with the support, and the driving end of the driving mechanism is connected with any one of the first screw rod and the second screw rod and is used for driving the first screw rod and the second screw rod to rotate.

2. The pitch control device according to claim 1, wherein: the end part of the first screw rod is coaxially welded with the end part of the second screw rod.

3. The pitch control device according to claim 1, wherein: the distance adjusting device further comprises a guide rod, the guide rod is installed on the support and is parallel to the first screw rod at an interval, a first guide hole and a second guide hole are formed in the first nut and the second nut respectively, and the guide rod penetrates through the first guide hole and the second guide hole.

4. The pitch adjustment device according to claim 3, wherein: the bracket is provided with an accommodating cavity, and the first screw rod, the second screw rod, the guide rod, the first nut and the second nut are all positioned in the accommodating cavity;

a notch is formed in the side face, located on the first screw rod, of the accommodating cavity, and the end portion of the first nut and the end portion of the second nut extend out of the notch.

5. The pitch adjustment device according to claim 4, wherein: the bottom surface of the cavity containing cavity is provided with a guide protrusion, and the first nut and the second nut are both provided with guide grooves matched with the guide protrusion in a sliding mode.

6. The pitch adjustment device according to claim 4, wherein: the distance adjusting device further comprises a first bearing and a second bearing, a first rotating hole and a second rotating hole are formed in two opposite cavity walls of the accommodating cavity, the end part of the first lead screw is rotatably installed in the first rotating hole through the first bearing, the end part of the second lead screw is rotatably installed in the second rotating hole through the second bearing, and the end part of the first lead screw penetrates through the first rotating hole to be connected with the driving mechanism;

fixing holes are formed in the two opposite cavity walls of the accommodating cavity, and two ends of the guide rod are fixed in the two fixing holes respectively.

7. The pitch adjustment device according to claim 6, wherein: the distance adjusting device further comprises a cover plate, the cover plate is mounted on the side face, back to the driving mechanism, of the support and seals and corresponds to the fixing hole, a butting protrusion is arranged on the inner wall of the second rotating hole, and the second bearing is located between the butting protrusion and the cover plate.

8. The pitch adjustment device according to any one of claims 3 to 7, wherein: the bracket is provided with a mounting cavity, and the first rotating hole is positioned between the mounting cavity and the accommodating cavity and communicated with the mounting cavity and the accommodating cavity; the driving mechanism comprises a motor and a gear mechanism which are arranged in the mounting cavity, and an output shaft of the motor is connected with the end part of the first screw rod through the gear mechanism.

9. The pitch control device according to any one of claims 1 to 7, wherein: the spiral direction of the first screw rod is opposite to the spiral direction of the second screw rod.

10. The utility model provides an intelligence wearing equipment which characterized in that: comprising a pitch device according to any one of claims 1 to 9.

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