CN106610559A

CN106610559A - Rotary wrist projector

Info

Publication number: CN106610559A
Application number: CN201610353128.5A
Authority: CN
Inventors: 藏俊峰; 曹腾
Original assignee: Beijing Asu Tech Co Ltd
Current assignee: Beijing Asu Tech Co Ltd
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2017-05-03
Anticipated expiration: 2036-05-25
Also published as: CN106610559B; WO2017202309A1

Abstract

The invention discloses a rotary wrist projector, which comprises a projection module and a wrist band, wherein the projection module is rotationally connected to the wrist band through a rotating mechanism; and a rotating shaft of the rotating mechanism is vertical to the opening direction of a projection opening of the projection module. A user rotates the projection module, the projection module rotates around the rotating shaft of the rotating mechanism relative to the wrist band, and the projection opening also rotates in a plane vertical to the rotating shaft at 360 (degrees), that is to say, the projection direction of the projection module is adjustable, so that the user can project an image to any component, capable of being taken as a projection plane, of a wall or an arm according to the actual requirements. Therefore, compared with a traditional wrist projector, the rotary wrist projector has the advantage that the customer experience is greatly improved.

Description

A kind of rotary wrist is thrown

Technical field

The present invention relates to the projecting direction adjustment technology field that wrist is thrown, more particularly to a kind of rotary wrist throwing.

Background technology

It is a kind of wearable electronic equipment that wrist is thrown, including projection module and wrist strap, wherein, projective module Block is used to storing or gathering image information, then image information is projected to into the throwing such as metope by its projection mouth Shadow face.

It is that projection module is fixedly connected on into wrist strap that traditional wrist is thrown, and causes the projecting direction of projection module It is fixed, the use degree of freedom of client is greatly defined, customer experience is poor.

In view of this, those skilled in the art urgently optimize wrist throwing structure, to solve the throwing that traditional wrist is thrown Shadow module and wrist strap relative position are fixed and cause the single technical problem of projecting direction.

The content of the invention

It is an object of the present invention to provide a kind of rotary wrist is thrown, to solve existing wrist projecting direction is thrown The poor technical problem of single, customer experience.

In order to solve above-mentioned technical problem, a kind of rotary wrist provided by the present invention is thrown, including projection Module and wrist strap, the projection module is rotatably connected at the wrist strap by rotating mechanism, shown The rotary shaft of rotating mechanism is vertical with the projection mouth opening direction of the projection module.

User rotates projection module, is allowed to the rotary shaft relative to wrist strap around rotating mechanism and rotates, and throws Shadow mouth is also therewith in pivot axis plane 360 ° (degree) rotation, that is to say, that projective module The direction of block is adjustable, and so as to user, according to the actual requirements image to be projected to into wall or arm etc. any Can be used as on the parts such as perspective plane.Therefore, compared with traditional wrist is thrown, rotary wrist is thrown and is greatly carried High customer experience.

Alternatively, the rotating mechanism includes the base being connected with the wrist strap, with the projection module It is connected and is rotatably installed on the outer ratchet of the base around the rotary shaft, is slidably mounted on The base simultaneously has the slide block of gear teeth engage with the outer ratchet, and precompressed loaded on the base with Back-moving spring between the slide block, the pre- pressure assembling force of the back-moving spring be enough to be pressed on the gear teeth In the teeth groove of the outer ratchet.

Alternatively, the base offers the first chute and the second chute being interconnected, the outer spine The tip diameter of wheel is less than the groove width of first chute and more than the groove width of second chute；Institute State outer ratchet to be rotatably installed in first chute, the rotary shaft and the outer coaxial ratchet Arrange and one end and the outer ratchet be connected, the other end stretched out by second chute after with it is described Projection module is connected.

Alternatively, in the section of the rotary shaft, the cross sectional shape of the second chute includes two Bar parallel segment and the circular arc tangent with the parallel segment.

Alternatively, also including pressing plate, the slide block is slidably mounted in first chute, institute State pressing plate to be fixed in first chute, the back-moving spring precompressed is loaded on the pressing plate and the cunning Between block.

Alternatively, the pressing plate includes compressed part and cover portions, the pressed parts in the first chute, The back-moving spring precompressed is loaded between the compressed part and the slide block, and the cover portions are slided positioned at second In groove and extend to back-moving spring described in cover lid and/or the slide block along chute direction.

Alternatively, the rotating mechanism includes the base being connected with the wrist strap, the base and described Projection module passes through the shoulder hole being adapted and ladder rotary shaft is rotatably coupled, and the shoulder hole is opened Located at the base, the ladder rotary shaft is fixed on the projection module, the base and the rank Ladder rotation between centers precompressed dress flexible member.

Alternatively, the shoulder hole is specially three sections of ladder holes, the ladder rotary shaft and described three Section ladder hole gap coordinates, and the macropore bottom hole of three sections of ladder holes defines the ladder rotation The axial displacement of axle, the flexible member is set in the little shaft part of ladder rotary shaft, and precompressed is loaded on institute State between the aperture bottom hole of three sections of ladder holes and the shaft shoulder of the ladder rotary shaft.

Alternatively, the rotating mechanism also includes pressing plate ring；It is blind that the shoulder hole is specially two sections of ladders Hole, the big shaft part of the ladder rotary shaft is located at the aperture section of two sections of ladder blind holes, the pressing plate Ring has the little shaft part that is set in the ladder rotary shaft with gap and to be fixed on two sections of ladders blind The big hole section in hole, to limit the axial displacement of ladder rotary shaft, the flexible member passes through the pressing plate Ring precompressed is loaded on the big shaft part of the ladder rotary shaft and the cooperation of the base and/or the pressing plate ring Between face.

Alternatively, the flexible member is specially silica gel.

Description of the drawings

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, Drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art For, on the premise of not paying creative work, can be attached to obtain others according to these accompanying drawings Figure.

Fig. 1 shows that wrist provided by the present invention throws the structural representation of specific embodiment；

Fig. 2 shows the decomposition texture schematic diagram of Fig. 1；

Fig. 3 shows the structural representation of the first specific embodiment of rotating mechanism；

Fig. 4 shows the perspective structure schematic diagram of Fig. 3；

Fig. 5 shows close-up schematic view at the A of Fig. 4.

Fig. 6 shows that the wrist with rotating mechanism shown in Fig. 3 throws integral perspective structural representation.

Fig. 7 shows the axial cross section structure diagram of second specific embodiment of rotating mechanism；

Fig. 8 shows the axial cross section structure diagram of the third specific embodiment of rotating mechanism.

Wherein, one-to-one relationship is between each component Name and respective drawings labelling in Fig. 1 to Fig. 3：

1 projection module, 1a projection mouths；

2 wrist straps；

3 rotating mechanisms：

31 bases, the chutes of 31a first, the chutes of 31b second, tri- sections of ladder holes of 31c, 31d two Section ladder blind hole, 32 rotary shafts, 33 outer ratchets, 34 slide blocks, the 34a gear teeth, 35 back-moving springs, 36 pressing plates, 36a compressed parts, 36b cover portions, 37 ladder rotary shafts, 38 cylindrical compression springs, 38 ＇ silica gel, 39 screws, 310 pressing plate rings.

Specific embodiment

The core of the present invention is, there is provided a kind of rotary wrist is thrown, to be thrown according to the adjustment of user demand The projecting direction of shadow module.

In order that those skilled in the art more fully understand the present invention program, it is attached with reference to description Figure is next, and the present invention is described in further detail.

Fig. 1 and Fig. 2 is referred to, wherein, Fig. 1 shows that wrist provided by the present invention is thrown and is embodied as The structural representation of example, Fig. 2 shows the decomposition texture schematic diagram of Fig. 1.

Understand with reference to Fig. 1 and Fig. 2, rotary wrist provided by the present invention throw include projection module 1, Wrist strap 2 and rotating mechanism 3；Wherein, projection module 1 includes shell and is packaged in the shadow of inside the shell As storage/acquisition module and projection module, projection module is used for the image information of storage/collection by outer The projection mouth 1a of shell is projected to external environment condition；The shell and wrist strap 2 of projection module 1 passes through whirler Structure 3 connects, and rotary shaft 32 and the opening direction of projection mouth 1a of rotating mechanism 3 are vertically arranged.

User rotates projection module 1, is allowed to the rotary shaft 32 around rotating mechanism 3 relative to wrist strap 2 Rotation, projection mouth 1a also rotates in the plane of rotary shaft 32 360 ° (degree) therewith, That is, the direction of projection module 1 is adjustable, so that user is according to the actual requirements projected to image Wall or arm etc. are any can be used as on the parts such as perspective plane.Therefore, compared with traditional wrist is thrown, rotation Rotatable wrist is thrown and drastically increases customer experience.

It should be noted that image store/the acquisition module of projection module 1, projection module and outer The operation principle and annexation of shell three is identical in prior art, and those skilled in the art are based on Prior art is completely it is achieved that so the concrete structure only to rotating mechanism 3 and work herein Principle is described in detail.

Fig. 3 to Fig. 6 is referred to, wherein, Fig. 3 shows that the first of rotating mechanism 3 is embodied as The structural representation of example, Fig. 4 shows the perspective structure schematic diagram of Fig. 3, and Fig. 5 shows Fig. 4 A at close-up schematic view, it is whole that Fig. 6 shows that wrist with rotating mechanism 3 shown in Fig. 3 is thrown Body perspective structure schematic diagram.

With reference to shown in Fig. 4 and Fig. 6, the rotating mechanism 3 that this specific embodiment is provided includes base 31st, outer ratchet 33, slide block 34 and back-moving spring 35, wherein, base 31 is fixed with wrist strap 2 and connected Connect, outer ratchet 33 is connected with projection module 1 and is rotatably installed on base 31 around rotary shaft 32, Slide block 34 is slidably mounted on base 31 and has the gear teeth 34a engaged with outer ratchet 33, multiple Position spring 35 precompressed is loaded between base 31 and slide block 34, the pre- pressure assembling force of back-moving spring 35 be enough to by The gear teeth 34a of slide block 34 is pressed in the teeth groove of outer ratchet 33.For the ease of more fully understanding this tool The concrete structure of rotating mechanism 3 in body embodiment, please also refer to Fig. 3.

In detail, with reference to Fig. 4 and Fig. 5, base 31 offers the first chute 31a being interconnected With the second chute 31b, groove width less than the first chute 31a of the tip diameter of outer ratchet 33 and big In the groove width of the second chute 31b, the groove width of the second chute 31b is more than the outside diameter of rotary shaft 32, Outer ratchet 33 is rotatably installed in the first chute 31a, and rotary shaft 32 is coaxial with outer ratchet 33 Arrange and one end and outer ratchet 33 be connected the other end stretched out by the second chute 31b after with projection Module 1 is connected.Herein the groove width refers to the first chute 31a and the second chute 31b vertical Length in the plane of rotary shaft 32 of rotating mechanism 3.

It should be noted that the fretting wear in order to prevent outer ratchet 33, in this specific embodiment , more than the tip diameter of outer ratchet 33, its groove depth is more than outer ratchet 33 for the groove width of one chute 31a Thickness.

Further, as shown in figure 4, in the section of the rotary shaft 32 of rotating mechanism 3, The cross sectional shape of the second chute 31b includes two parallel segments and the circle tangent with two parallel segments Arc, circular arc is concentric with outer ratchet 33 and radius less than outer ratchet 33 radius of addendum.

It is arranged such, about 2/3 gear teeth of outer ratchet 33 3 are circumferential to be located in the first chute 31a, projection Just it is to be connected by outer ratchet 33 between module 1 and base 31, so as to projection module 1 and bottom can be ensured The connection reliability of both seats 31.

Understand that slide block 34 is slidably mounted on base 31 along the first chute 31a with continued reference to Fig. 4 Main body, pressing plate 36 is fixed at the notch of the first chute 31a of the main body of base 31 by bolt assembly, The precompressed of back-moving spring 35 is loaded between pressing plate 36 and slide block 34, and the pre- pressure assembling force of back-moving spring 35 be enough to The gear teeth 34a of slide block 34 is pressed in the teeth groove of outer ratchet 33.

Additionally, as shown in figure 4, the job stability and connection reliability in order to improve back-moving spring 35 Property, this specific embodiment center platen 36 offers Blind locating holes, the one end inserting of back-moving spring 35 In Blind locating holes, the other end is stretched out Blind locating holes and is offseted compression with slide block 34.

Further, as shown in figure 5, pressing plate 36 includes compressed part 36a and cover portions 36b, its In, compressed part 36a is located in the first chute 31a, and the precompressed of back-moving spring 35 is loaded on compressed part 36a And between slide block 34；Cover portions 36b are located in the second chute 31b and extend to cover lid along chute direction Back-moving spring 35 and slide block 34, the Blind locating holes for position reset spring 35 are opened in compressed part 36a。

Pressing plate 36 arranges cover portions 36b can prevent back-moving spring 35 from undesirably falling off base because of external force 31 security incidents for causing, so as to ensure the integrally-built reliability of rotating mechanism 3 and work safety Property

The course of work of the rotating mechanism 3 that this specific embodiment is provided is：Under original state, reset The pretightning force of spring 35 is pressed in the gear teeth 34a of slide block 34 in the teeth groove of outer ratchet 33；Rotation Projection module 1, axis of the outer ratchet 33 with projection module 1 around rotary shaft 32 is rotated, outer ratchet 33 Promote slide block 34 to overcome the elastic force of back-moving spring 35, make the gear teeth 34a of slide block 34 along outer ratchet The root portion of 33 flank profil line slides into tooth crest；Continue rotate projection module 1, outer ratchet 33 after Continuous to rotate, under the resilient force of back-moving spring 35, the gear teeth 34a of slide block 34 is along outer ratchet 33 flank profil line slides at a fully engaged with the gear teeth 34a of outer ratchet 33.Repeat the above steps until The projection mouth of projection module 1 reaches ideal position.

This rotating mechanism 3 can not only realize the adjustment of back-moving spring 35 and the relative position of wrist strap 2, But also by the engagement between gear teeth 34a both slide block 34 and outer ratchet 33 can be made to be locked in certain bits Put, when external force is not enough to overcome the elastic force of back-moving spring 35, projection module 1 will not be relative to wrist Band 2 is rotated.

It should be noted that in this specific embodiment, back-moving spring 35 is specially cylindrical compression spring, It is appreciated that it is complete with the gear teeth 3 of outer ratchet 33 that the precompressed of slide block 34 is filled to into gear teeth 34a in satisfaction On the basis of engagement and assembly technology are required, back-moving spring 35 can also be used for those skilled in the art Other flexible members or elastic construction.

Additionally, the quantity of back-moving spring 35 is two, and two back-moving springs 35 are relative to slide block 34 gear teeth 34a is symmetrical set, and the elastic force being subject to so as to the gear teeth 34a of slide block 34 is uniform, To ensure its stationarity slided and reliability.

The present invention also provides other two kinds of specific embodiments of rotating mechanism 3, refers to Fig. 7 and Fig. 8, Wherein, Fig. 7 shows the axial cross section structure diagram of second specific embodiment of rotating mechanism, Fig. 8 shows the axial cross section structure diagram of the third specific embodiment of rotating mechanism.Need It is bright, to identical function component using same component Name and accompanying drawing mark in latter two specific embodiment Note is represented.

Understand with reference to Fig. 7 and Fig. 8, in the latter two specific embodiment of rotating mechanism 3, projection module 1 and base 31 offset, and the shoulder hole by being adapted and ladder rotary shaft 37 are rotatably Connection, wherein, shoulder hole is opened in base 31, and the little shaft part of ladder rotary shaft 37 runs through shoulder hole Aperture section and be connected with projection module 1, and in the shaft shoulder of ladder rotary shaft 37 and matching somebody with somebody for base 31 Precompressed dress flexible member between conjunction face.

Rotation projection module 1, rotation multidiameter is rotated with projection module 1, after precalculated position is reached, Frictional damping locks both between projection module 1 and base 31, and wrist strap 2 is fixedly connected on base On 31, the adjustment of projection module 1 and the relative position of wrist strap 2 is realized then.Additionally, this rotation Rotatable wrist is thrown and by flexible member compensate for projection module 1 and the rigid sliding friction of base 31 is caused Wear extent, improves rotary wrist and throws overall service life.

In detail, as shown in fig. 7, in second specific embodiment of rotating mechanism 3, base 31 Three sections of ladder hole 31c are offered, ladder rotary shaft 37 and three sections of ladder hole 31c gaps coordinate And be connected by securing member (screw 39) and projection module 1, the macropore of three sections of ladder hole 31c Bottom hole defines the axial displacement of ladder rotary shaft 37, and cylindrical compression spring 38 is set in ladder rotation The little shaft part of axle 37, and aperture bottom hole of the precompressed loaded on three sections of ladder hole 31c and ladder rotary shaft Between 37 shaft shoulder.

Specifically, in the present embodiment, flexible member is specially cylindrical compression spring 38, it will be understood that On the basis of generation axial crushing deformation function and assembly technology requirement is met, flexible member also can be rubber The flexible member commonly used in the art such as glue ring.

Additionally, in this specific embodiment, ladder rotary shaft 37 and projection module 1 pass through securing member (spiral shell 39) nail connects, by the screwing length for adjusting securing member and projection module 1, you can adjustment cylinder The decrement of compression spring 38.Certainly, precompressed dress flexible member function and assembly technology base are being met On plinth, ladder rotary shaft 37 and projection module 1 mode such as riveting can be connected to weld, after bonding.

As shown in figure 8, in the third specific embodiment of rotating mechanism 3, base 31 offers two Section ladder blind hole 31d, ladder rotary shaft 37 is fixed on projection module by securing member (screw 39) 1, and its big shaft part is located at the aperture section of two sections of ladder blind holes 31d；Pressing plate ring 39 have cover with gap Little shaft part loaded on ladder rotary shaft 37, and the big hole section of two sections of ladder blind holes 31d is fixed on, with Limit the axial displacement of ladder rotary shaft 37；The ＇ of silica gel 38 is loaded on ladder by the precompressed of pressing plate ring 310 Between the big shaft part of rotary shaft 37 and the mating surface of pressing plate ring 39 and/or base 31.

It should be noted that this specific embodiment elastic element is specially the ＇ of silica gel 38.Certainly, exist On the basis of meeting assembly technology requirement, flexible member also can occur for rubber etc. under external load function The element of elastic deformation.

Obviously, compared with the rotating mechanism 3 that the first specific embodiment of rotating mechanism 3 is provided, The simple structure of latter two rotating mechanism 3, be manufactured into it is low.

Presently preferred embodiments of the present invention is the foregoing is only, the protection of the present invention is not intended to limit Scope.All any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., It is all contained in protection scope of the present invention.

Claims

1. a kind of rotary wrist is thrown, including projection module (1) and wrist strap (2), it is characterised in that The projection module (1) is rotatably connected at the wrist strap (2), institute by rotating mechanism (3) Show that the rotary shaft (32) of rotating mechanism (3) is opened with the projection mouth (1a) of the projection module (1) Mouth direction is vertical.

2. rotary wrist as claimed in claim 1 is thrown, it is characterised in that the rotating mechanism (3) Including with the wrist strap (2) be connected base (31), with the projection module (1) be connected and around The rotary shaft (32) is rotatably installed on the outer ratchet (33) of the base (31), can slide The base (31) is installed on dynamicly and with the gear teeth (34a) engaged with the outer ratchet (33) Slide block (34), and precompressed is loaded on reset bullet between the base (31) and the slide block (34) Spring (35), the pre- pressure assembling force of the back-moving spring (35) be enough to be pressed on the gear teeth (34a) In the teeth groove of the outer ratchet (33).

3. rotary wrist as claimed in claim 2 is thrown, it is characterised in that the base (31) is main Body offers the first chute (31a) and the second chute (31b) being interconnected, the outer ratchet (33) Tip diameter less than first chute (31a) groove width and more than second chute (31b) Groove width；The outer ratchet (33) is rotatably installed in first chute (31a), institute State rotary shaft (32) to be coaxially disposed with the outer ratchet (33) and one end and the outer ratchet (33) It is connected, the other end is connected after being stretched out by second chute (31b) with the projection module (1).

4. rotary wrist as claimed in claim 3 is thrown, it is characterised in that perpendicular to the rotation In the section of axle (32), the cross sectional shape of the second chute (31b) include two parallel segments and with The tangent circular arc of the parallel segment.

5. the rotary wrist as described in claim 3 or 4 is thrown, it is characterised in that also including pressing plate (36), The slide block (34) is slidably mounted in first chute (31a), the pressing plate (36) It is fixed in first chute (31a), the back-moving spring (35) precompressed is loaded on the pressing plate (36) and between the slide block (34).

6. rotary wrist as claimed in claim 5 is thrown, it is characterised in that pressing plate (36) bag Compressed part (36a) and cover portions (36b) are included, the compressed part (36a) is located at the first chute (31a) Interior, the back-moving spring (35) precompressed is loaded on the compressed part (36a) and the slide block (34) Between, the cover portions (36b) are located in the second chute (31b) and extend to cover lid along chute direction The back-moving spring (35) and/or the slide block (34).

7. rotary wrist as claimed in claim 1 is thrown, it is characterised in that the rotating mechanism (3) Including the base (31) being connected with the wrist strap (2), the base (31) and the projection module (1) shoulder hole and ladder rotary shaft (37) by being adapted is rotatably coupled, the ladder Hole is opened in the base (31), and the ladder rotary shaft (37) is fixed on the projection module (1), Precompressed dress flexible member between the base (31) and the ladder rotary shaft (37).

8. rotary wrist as claimed in claim 7 is thrown, it is characterised in that the shoulder hole is specially Three sections of ladder holes (31c), the ladder rotary shaft (37) and three sections of ladder holes (31c) Gap coordinates, and the macropore bottom hole of three sections of ladder holes (31c) defines the ladder rotary shaft (37) axial displacement, the flexible member is set in the little shaft part of ladder rotary shaft (37), and Aperture bottom hole of the precompressed loaded on three sections of ladder holes (31c) and the ladder rotary shaft (37) The shaft shoulder between.

9. rotary wrist as claimed in claim 7 is thrown, it is characterised in that the rotating mechanism (3) Also include pressing plate ring (310)；The shoulder hole is specially two sections of ladder blind holes (31d), the ladder The big shaft part of rotary shaft (37) is located at the aperture section of two sections of ladder blind holes (31d), the pressure Plate ring (310) is with the little shaft part for being set in the ladder rotary shaft (37) with gap and is fixed on The big hole section of two sections of ladder blind holes (31d), to limit the axial position of ladder rotary shaft (37) Move；The flexible member is loaded on the ladder rotary shaft (37) by the pressing plate ring (310) precompressed Big shaft part and the base (31) and/or the pressing plate ring (310) mating surface between.

10. rotary wrist as claimed in claim 9 is thrown, it is characterised in that the flexible member tool Body is silica gel (38 ＇).