CN212296993U

CN212296993U - Flexible connection structure and have this flexible connection structure's hanging neck fan

Info

Publication number: CN212296993U
Application number: CN202020796618.4U
Authority: CN
Inventors: 杨广; 李伟平
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-01-05
Anticipated expiration: 2030-05-13

Abstract

The utility model provides a flexible connection structure and have this flexible connection structure hang neck fan, flexible connection structure include flexible glue spare and injection moulding in the stereoplasm piece at flexible glue spare both ends, stereoplasm piece including be used for injection moulding in fixed part in the flexible glue spare with expose in the outer connecting portion of flexible glue spare, connecting portion are used for connecting external component. The neck hanging fan further comprises a shell connected to two ends of the flexible connecting structure, a fan is arranged in the shell, an air inlet corresponding to the fan is formed in the shell, an air outlet is further formed in the shell, and air generated by the operation of the fan is blown out through the air outlet.

Description

Flexible connection structure and have this flexible connection structure's hanging neck fan

Technical Field

The utility model relates to the technical field of fans, in particular to flexible connection structure and have this flexible connection structure hang neck fan.

Background

In recent years, people are pursuing more convenient life, and various portable fans such as neck-worn fans are appearing on the market in order to meet the requirement that fans are needed for outdoor activities or other life scenes. The appearance of the neck-worn fan solves the activity limitation caused by the handheld fan, and the neck-worn fan can liberate both hands of a user no matter in use scenes such as sports, outdoor activities or offices, and can achieve the effect of blowing air anytime and anywhere without being held by hands.

Current neck-worn fan includes the flexonics section usually and connects the casing at flexonics section both ends, the flexonics section is connected with the casing through the connecting portion that set up, when the user buckles flexonics section adjustment fan angle, because the casing is difficult to for hard material to warp usually, when the flexonics section takes place to buckle and warp, great gap can appear in the junction of flexonics section and casing, and the flexonics section is through buckling the back many times, this gap can the grow and be difficult to the recovery, influence the pleasing to the eye degree of product.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a flexible connection structure to solve the above problems.

The utility model discloses still provide a hang neck fan of having above-mentioned flexible connection structure.

The utility model provides a flexible connection structure, including flexible glue spare and injection moulding in the stereoplasm spare at flexible glue spare both ends, the stereoplasm spare include injection moulding in fixed part in the flexible glue spare with expose in the outer connecting portion of flexible glue spare, connecting portion are used for connecting external component.

In one embodiment, the flexible connecting structure is provided with a through hole, and the through hole axially penetrates through the soft rubber piece and the two hard pieces.

In an embodiment, a positioning groove is formed in a surface of one end, close to the fixing portion, of the connecting portion, and at least part of the positioning groove is located in the soft rubber member.

In one embodiment, the fixing portion is tapered from one end close to the connecting portion to the other end, a step is formed between one end of the fixing portion close to the connecting portion and the connecting portion, and the step is wrapped in the end wall of the soft rubber member.

In one embodiment, the connecting portion is provided with a plurality of positioning holes, and the positioning holes are used for being fixedly connected with the external member.

In one embodiment, the soft rubber part is made of soft rubber materials, so that the soft rubber part can be bent and deformed; the hard piece is made of hard rubber materials, or the hard piece is made of metal materials.

The utility model also provides a hang neck fan, be in including above-mentioned flexible connection structure and connection the casing at flexible connection structure both ends, be equipped with the fan in the casing, the casing be equipped with the air intake that the fan corresponds, still be equipped with the air outlet on the casing, the wind warp that the fan operation produced the air outlet blows off.

In one embodiment, the connecting part is connected into the connecting end of the shell, so that the opposite end surfaces of the shell and the soft rubber are mutually abutted and are in smooth transition connection.

In an embodiment, the neck hanging fan further includes a bending shape fixing member inserted into the flexible connection structure, and the bending shape fixing member extends out of the connection portion and is connected to the inside of the housing.

In one embodiment, an air duct corresponding to the fan is formed in the housing, an air outlet communicated with the air duct is formed in a side wall of the housing, and air generated by operation of the fan is blown out of the air outlet after passing through the air duct; the bending shaping piece is a metal shaping hose, or a coiled pipe, or a shaping steel wire.

To sum up, the utility model provides a flexible connection structure, flexible connection structure include the flexible glue spare that can buckle the deformation and injection moulding in the stereoplasm piece at flexible glue spare both ends, and the stereoplasm piece is the hard glue material or the metal material of difficult buckling deformation, including fixed part and connecting portion, fixed part injection moulding is in the tip of flexible glue spare, connecting portion be used for with external component fixed connection. Through the both ends injection moulding stereoplasm spare at the flexible glue spare for the fixed part of stereoplasm spare is by the cladding in flexible glue spare both ends, thereby makes this section of flexible glue spare cladding fixed part be difficult to by buckling deformation, effectively prevents flexible connection structure and passes through connecting portion and external member and be connected the back, during the flexible connection structure of buckling, forms the clearance between the both ends of flexible glue spare and the external member. The utility model also provides a have flexible connection structure hang neck fan, this hang neck fan is still including connecting the casing at flexible connection structure both ends, makes when buckling flexible connection structure through making at flexible glue spare both ends injection moulding stereoplasm spare, can not appear the gap between the terminal surface of flexible glue spare and casing for the product is more pleasing to the eye.

Drawings

Fig. 1 is a perspective view of the neck hanging fan of the present invention.

Fig. 2 is an exploded view of the neck hanging fan in fig. 1.

Fig. 3 is another exploded view of the neck hanging fan in fig. 1.

Fig. 4 is a perspective view of a flexible connection structure.

FIG. 5 is an exploded view of the flexible connection structure of FIG. 4 prior to injection molding.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1-5, the present invention provides a neck hanging fan 10, which is a neck hanging fan 10 worn on a human body, and includes a flexible connecting section 12 and a housing 14 connected to two ends of the flexible connecting section 12. A fan 16, a battery 18 and a circuit board (not shown) are disposed within the housing 14, and the fan 16 and the battery 18 are electrically connected to the circuit board, respectively, to provide power for operation of the fan 16. In the present embodiment, since the two housings 14 have the same structure and are symmetrical to each other, only one housing 14 will be described in detail below as an example.

In the illustrated embodiment, the cross-sectional area of the housing 14 gradually increases from the end near the flexible connecting section 12 to the end far away from the flexible connecting section 12, that is, the housing 14 has a gradually expanding structure, which increases the overall aesthetic feeling of the neck hanging fan 10. The fan 16 is disposed at one end of the casing 14 far away from the flexible connecting section 12, a cavity corresponding to the fan 16 is formed in the casing 14, a partition 20 and an air deflector 22 are disposed in the cavity, and the partition 20 and the air deflector 22 extend along the length direction of the casing 14 respectively.

The separator 20 is used to separate the cavity in the housing 14 into a first cavity and a second cavity, and the air deflector 22 is disposed in the second cavity to further separate the second cavity into the air duct 24 and a second sub-cavity. The first cavity and the second cavity are not communicated with the air duct 24, the air duct 24 is correspondingly communicated with the fan 16, an air outlet 26 is formed in the side wall of the casing 14 corresponding to the air duct 24, the air outlet 26 is communicated with the air duct 24 and the outside of the casing 14, and an air inlet 28 is formed in the casing 14 corresponding to the fan 16, so that air generated by the operation of the fan 16 is blown out of the air outlet 26 through the air duct 24. Due to the double separation function of the partition 20 and the air deflector 22 on the cavity in the shell 14, the volume of the air duct 24 can be effectively reduced, the air generated by the fan 16 is more concentrated after entering the air duct 24, the air is more concentrated, and the wind force blown out from the air outlet 26 is larger, so that the user can enjoy cool air, and the use experience of the user is improved.

In the illustrated embodiment, the air outlet 26 is disposed on the top side of the inner side wall of the housing 14, the air outlet 26 includes a plurality of air outlets, the plurality of air outlets are spaced along the length direction of the housing 14, and the size of the air outlet near the side of the fan 16 is larger than the size of the air outlet far from the side of the fan 16. The housing 14 has air inlets 28 on both the inner and outer sidewalls corresponding to the fans 16. In other embodiments, the air inlet 28 and the air outlet 26 may be respectively disposed on two sides of the fan.

More specifically, the housing 14 includes an inner shell 30 and an outer shell 32 that snap together, with the inner shell 30 and the outer shell 32 forming a cavity of the housing 14 therebetween. Therefore, the inner side wall of the housing 14 is referred to as an inner housing 30, and the outer side wall of the housing 14 is referred to as an outer housing 32.

The partition 20 is connected to the inner side of the outer side wall of the casing 14, that is, connected to the inner side wall of the inner casing 30, and the partition 20 extends along the length direction and the width direction of the casing 14, that is, the plate surface of the partition 20 extends along the width direction of the casing 14, so that a first cavity is formed between the outer side surface of the partition 20 and the outer casing 32, and a second cavity is formed between the inner side surface of the partition 20 and the inner casing 30, that is, the first cavity and the second cavity are spaced apart from each other along the thickness direction of the casing 14. The partition 20 is fixedly attached to the inner side wall of the housing 32, for example, by means of a snap or screw lock.

The two sides of the air deflector 22 are respectively connected to the inner side wall of the casing 14 and the inner side surface of the partition 20, and the air deflector 22 extends along the length direction and the thickness direction of the casing 14, that is, the plate surface of the air deflector 22 extends along the thickness direction of the casing 14. In this embodiment, one side of the air deflector 22 is integrally connected to the inner sidewall of the inner casing 30, the other side of the air deflector 22 is tightly abutted to the partition 20, and one end of the air deflector 22 close to the fan 16 is connected to the bottom wall of the casing 14, so as to partition the second cavity into the air duct 24 and the second sub-cavity which are distributed at intervals along the width direction of the casing 14.

In the illustrated embodiment, the partition 20 and the air deflector 22 are both arc-shaped plates adapted to the extension shape of the casing 14, and one ends of the partition 20 and the air deflector 22 close to the fan 16 are both designed to be smooth guiding slopes, and the guiding slopes of the partition 20 are bent and extended towards the outer side wall of the casing 14. Due to the design, wind energy generated by the fan 16 can flow into the air channel 24 more smoothly, and noise generated when the wind strikes the air deflector 22 and the partition 20 is effectively reduced. When installed, the outer ends of the air deflectors 22 abut against the guide slopes of the partitions 20.

The battery 18 and the circuit board can be arranged in the first cavity or the second sub-cavity, so that electronic components such as the battery 18 and the circuit board are separated from the air duct 24, the air outlet of the fan 16 is prevented from being influenced, and the structure is compact. In the illustrated embodiment, the batteries 18 are provided in two, the two batteries 18 being disposed within the first cavities of the two housings 14, respectively, and the circuit board may be disposed within the first cavity of one of the housings 14 and wired to the fan 16 within the other housing 14 via the flexible connecting section 12.

In this embodiment, the total area of the air outlet 26 is larger than the total area of the air inlet 28, so that the wind force from the air outlet 26 is larger. The intake vent 28 on the outer side wall of the housing 32 is a grid structure with a ring shape, and a protective cover 34 is disposed at the intake vent 28, wherein the protective cover 34 is connected, for example, snapped on, to the grid structure of the intake vent 28 to cover the intake vent 28 and form a gap with the intake vent 28, so that the external air can enter the housing 14 through the intake vent 28 from the gap. The protective cover 34 may be made of a different metal material than the housing 14, and the protective cover 34 may prevent impurities, such as hair, from falling into the fan 16 through the air inlet 28 to affect the usability of the fan 16, and also make the appearance of the product more beautiful.

In the illustrated embodiment, a switch 36 is also provided on an exterior side wall of the housing 32, the switch 36 being electrically connected to the circuit board for controlling the start and stop of the fan 16. In this embodiment, the switch 36 is a button switch, a mounting hole 38 is formed on an outer side wall of the housing 32, and the switch 36 is mounted in the mounting hole 38 and protrudes out of an outer side surface of the housing 32 for a user to press. The central positions of the air inlets 28 on the inner casing 30 and the outer casing 32 are provided with shafts facing the inside of the casing 14, the shafts are connected in a sleeved manner, elbows of the fans 16 are mounted on the shafts located on the outer side, and the fans 16 are turbofan for example.

In the illustrated embodiment, the flexible connecting section 12 includes a bending fixed member 40 and a flexible connecting structure covering the bending fixed member 40, and the flexible connecting structure includes a soft rubber member 42 and hard members 44 injection-molded at two ends of the soft rubber member 42. The hard member 44 includes a fixing portion 46 injection-molded in the end portion of the soft member 42 and a connecting portion 48 exposed outside the soft member 42, and the connecting portion 48 is used for connecting an external member, such as the housing 14. The flexible connection structure is further provided with a through hole 50, the through hole 50 sequentially penetrates through the hard piece 44 and the soft rubber piece 42 which are located at one end of the soft rubber piece 42 and the hard piece 44 which is located at the other end of the soft rubber piece 42 along the axial direction of the flexible connection structure, and the through hole 50 is used for allowing elements such as the bending fixed piece 40 and a lead connected between the circuit board and the fan 16 to penetrate through.

More specifically, the fixing portion 46 is tapered and the connecting portion 48 is square, which are integrally formed. For example, the cross-sectional area of the fixing portion 46 gradually decreases from the end close to the connecting portion 48 to the end far from the connecting portion 48, the connecting portion 48 is connected to the end of the tapered enlarged portion of the fixing portion 46, and a step 47 is formed between the connecting portion 48 and the tapered enlarged portion of the fixing portion 46. The surface of the connecting portion 48 near the end of the fixing portion 46 is further provided with a positioning groove 52, and the soft rubber member 42 can be integrally connected to the positioning groove 52 by injection molding, so that the positioning groove 52 is at least partially located in the soft rubber member 42. During the injection molding process, the soft plastic 42 is melted and then connected to the hard plastic 44, for example, the soft plastic 42 is wrapped around the fixing portion 46 of the hard plastic 44, so that the step 47 is wrapped inside the end wall of the soft plastic 42, and the soft plastic 42 and the hard plastic 44 are firmly connected. And the melted soft glue flows into the positioning groove 52, so that the soft glue piece 42 and the hard piece 44 are connected more stably and are not easy to fall off after the soft glue is solidified and hardened. The soft rubber 42 is made of soft rubber material, so that the soft rubber 42 can be bent and deformed. The hard material 44 may be made of a hard rubber material, or may be made of a metal material, as long as the hard material can make the hard material 44 difficult to deform.

The connecting portion 48 is provided with two positioning holes 54, and the two positioning holes 54 are not communicated with the through hole 50, and the positioning holes 54 are used for being fixedly connected with the housing 14. During installation, two ends of the bending and shaping piece 40 respectively extend out of the through holes 50, the connecting portion 48 extends into the connecting end of the shell 14, the opposite end faces of the shell 14 and the soft rubber piece 42 are abutted against each other, and the outer surface of the soft rubber piece 42 is in smooth transition connection with the outer surface of the shell 14. So set up and to make when buckling the flexible connection structure, the gap of flexible glue spare 42 and casing 14 butt department can not the grow for the product is more pleasing to the eye, can not appear connecting portion 48 and flexible glue spare 42 moreover and break away from and then make the condition that casing 14 drops.

The flexible connecting section 12 can enable the neck hanging fan 10 to adjust the air outlet direction of the air outlet 26 by bending and twisting, so that the air coming out of the air outlet 26 can blow to different parts of the neck or face of a human body. The bending shape-fixing member 40 can be formed into any shape by bending, twisting and the like, and the shape of the soft rubber member 42 can be changed along with the change of any bending shape of the bending shape-fixing member 40. The bending shape-defining member 40 may be a metal hose, or a coil, or a shape-defining steel wire, etc. which can make the flexible connection section 12 have a bending memory function, and can be shaped in the shape after bending. The soft rubber member 42 may be made of soft rubber materials such as TPU soft rubber.

The two ends of the flexible connecting section 12 are respectively connected with the shell 14 in a locking way. More specifically, the inner side wall of the outer casing 32 is provided with a fixing seat 56, the fixing seat 56 is provided with a screw hole, and when the outer casing is installed, the part of the bending and shaping piece 40 extending out of the connecting part 48 penetrates into the connecting end of the casing 14 and is in locking connection with the fixing seat 56 through a fixing piece 58 by a screw 60. The fixing member 58 is a fixing plate structure, the fixing member 58 is arched towards one side to form a groove, screw holes are formed at two ends of the fixing member 58, the fixing member 58 is aligned with the fixing seat 56 to abut during installation, so that one side of the bending and shaping member 40 is accommodated in the recess of the fixing seat 56, the other side of the bending and shaping member is accommodated in the groove of the fixing member 58, the fixing member 58 is connected to the screw holes of the fixing seat 56 in a locking manner by a screw 60 penetrating through the screw holes of the fixing member 58, so that the fixing member 58 is connected to the fixing seat 56 in a.

The connecting portion 48 is provided with two positioning holes 54, the inner sidewall of the outer shell 32 is provided with two positioning posts 64 corresponding to the positioning holes 54, the positioning posts 64 are provided with screw holes, the inner shell 30 is provided with two through holes 66 corresponding to the two positioning holes 54, and the screws 68 sequentially pass through the through holes 66 and the positioning holes 54 and then are locked to the positioning posts 64, so that the locking connection between the shell 14 and the flexible connecting section 12 is further realized, and the connection is firmer. In the illustrated embodiment, the housing 14 further includes a cover 70, and the inner sidewall of the inner housing 30 is provided with a mounting groove 72 at a position corresponding to the through hole 66, for example, the connection end of the inner housing 30, the screw 68 is mounted in the through hole 66 and then the head of the screw is located in the mounting groove 72, and the cover 70 is connected to the mounting groove 72 in a snap-fit manner to shield the screw 68 from being exposed, so that the appearance of the product is more attractive.

The double locking mechanism of the locking connection between the flexible connecting section 12 and the outer casing 32 and the locking connection between the casing 14 and the flexible connecting section 12 makes the connection between the flexible connecting section 12 and the casing 14 more stable, so that the neck hanging fan 10 has a firm structure.

In the above embodiment, the neck hanging fan 10 includes two casings 14, in other embodiments, only one casing 14 may be provided, two ends of the flexible connecting section 12 are respectively connected to two sides of the casing 14, so as to form a complete ring shape, the casing 14 is provided with the fan 16, the side wall of the casing 14 is provided with the air outlet and the air inlet corresponding to the fan 16, and the air generated by the fan 16 when operating cools the human body.

It should be understood that the soft rubber 42 is a soft rubber material capable of bending and deforming, and has a bending and deforming function. Therefore, in other embodiments, the flexible connecting section 12 may not be provided with the bending shape-defining member 40, and therefore, the through hole 50 may not be provided, and the user may directly bend the soft rubber member 42 to achieve bending deformation of the neck hanging fan 10.

It should also be understood that, in the above embodiments, the flexible connecting structure is applied to the neck hanging fan 10, and in other embodiments, the flexible connecting structure of the present invention can also be applied to neck massage devices, earphones, and other products.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The flexible connection structure is characterized by comprising a soft rubber part and hard parts which are injection molded at two ends of the soft rubber part, wherein the hard parts comprise fixed parts which are injection molded in the soft rubber part and connecting parts which are exposed out of the soft rubber part, and the connecting parts are used for connecting external components.

2. The flexible connection structure according to claim 1, wherein the flexible connection structure is provided with a through hole which axially penetrates through the soft rubber member and the two hard members.

3. The flexible connection structure of claim 1, wherein a positioning groove is formed on a surface of the connection portion near one end of the fixing portion, and the positioning groove is at least partially located in the soft rubber member.

4. The flexible connection structure according to claim 1 or 3, wherein the fixing portion is tapered from one end near the connection portion to the other end, and the one end of the fixing portion near the connection portion and the connection portion form a step, and the step is wrapped in the end wall of the soft rubber member.

5. The flexible connection structure of claim 1, wherein the connection portion is provided with a plurality of positioning holes for fixed connection with the external member.

6. The flexible connection structure of claim 1, wherein the soft rubber member is made of a soft rubber material so that the soft rubber member can be bent and deformed; the hard piece is made of hard rubber materials, or the hard piece is made of metal materials.

7. A neck hanging fan is characterized by comprising a flexible connecting structure as claimed in any one of claims 1 to 6 and a shell connected to two ends of the flexible connecting structure, wherein a fan is arranged in the shell, the shell is provided with an air inlet corresponding to the fan, the shell is further provided with an air outlet, and air generated by the operation of the fan is blown out through the air outlet.

8. The hanging neck fan as claimed in claim 7, wherein the connecting part is connected to the inside of the connecting end of the casing, and the opposite end faces of the casing and the soft rubber are abutted against each other and are connected in a smooth transition manner.

9. The neck hanging fan as claimed in claim 7, further comprising a bending shape-fixing member inserted into the flexible connecting structure, wherein the bending shape-fixing member extends out of the connecting portion and is connected to the inside of the housing.

10. The neck hanging fan as claimed in claim 9, wherein an air channel corresponding to the fan is formed in the housing, an air outlet communicated with the air channel is formed in a side wall of the housing, and air generated by the operation of the fan is blown out of the air outlet after passing through the air channel; the bending shaping piece is a metal shaping hose, or a coiled pipe, or a shaping steel wire.