WO2021218726A1

WO2021218726A1 - Snap-type extendable device and head-mounted device

Info

Publication number: WO2021218726A1
Application number: PCT/CN2021/088581
Authority: WO
Inventors: 朱达云
Original assignee: 朱达云
Priority date: 2020-04-30
Filing date: 2021-04-21
Publication date: 2021-11-04
Also published as: CN211860502U

Abstract

The present utility model relates to the technical field of extendable devices, in particular to a snap-type extendable device and a head-mounted device. The snap-type extendable device comprises a housing, a sliding member, and a snap mechanism. A cavity is formed in the housing; the cavity has an insertion port; the sliding member has an insertion end and an extending end; the insertion end is inserted into the cavity from the insertion port and is movably limited in the cavity, and the extending end retractably extends out from the insertion port; the snap mechanism comprises at least one snap member and at least two snap-fit recesses; the at least one snap member is provided on the side wall of the cavity, and at least two snap-fit recesses are provided on the side wall of the sliding member; or, the at least one snap member is provided on the side wall of the sliding member and the at least two snap-fit recesses are provided on the side wall of the cavity; the sliding member slides in the cavity, and the snap member slides out from one of the snap-fit recesses and slots into the other snap-fit recess, so that the sliding member is fixed in the cavity. The snap-type extendable device has the characteristics of compact structure and small size; and the snap mechanism has a more stable structure, is more durable, and has a longer service life.

Description

Pinball telescopic device and head-mounted equipment

Technical field

The utility model belongs to the technical field of telescopic devices, in particular to a marble-type telescopic device and head-mounted equipment.

Background technique

A headset is a device worn on the head, such as a headset, a head-mounted hearing aid, and a head-mounted hearing aid. Headphones are composed of a headband and speaker modules arranged at both ends of the headband. In order for the speaker module to fit the ears better, a telescopic adjustment device is generally provided at the connection between the headband and the speaker module, and the telescopic adjustment device expands to adjust the speaker module. The position allows users to use the headset more comfortably.

Chinese patent CN201821455405.4 discloses a telescopic structure of a headset, including a cover body and a telescopic assembly. The cover body includes an upper cover body and a lower cover body. The lower cover body is provided with a sliding groove. The assembly is slidably mounted in the sliding groove. The groove bottom of the sliding groove is provided with convex blocks at intervals, and a clamping position is formed between two adjacent convex blocks. It is fixedly installed above the telescopic part, the elastic piece includes a convex part, a buffer part and a hook part, the telescopic part is provided with a through groove and a mounting block, the convex part protrudes from the through groove, and the convex part is clamped In the holding position, the hook part is hooked to the mounting block, the upper surface of the buffer part abuts against the lower surface of the headband, and the telescopic member is provided with a limit hook. The disadvantages of the above telescopic structure are: 1. The elastic sheet is affected by the pressure exerted on it by the headband and the resistance of the sliding direction when the elastic sheet slides, and the surface is also worn by friction, which is easy to deform and cause the elastic structure to fail; 2. Due to the size of the elastic sheet The smaller the size, the easier it is to deform due to force. Therefore, the telescopic structure is limited by the shrapnel, resulting in a larger volume.

Utility model content

The purpose of the utility model is to provide a pinball telescopic device and a head-mounted device, which aims to solve the technical problem of easy failure of telescopic structures in the prior art.

In order to achieve the above objective, a marble telescopic device provided by the present invention includes:

A housing, a cavity is formed in the housing, and the cavity has an insertion port;

The marble telescopic device also includes:

A sliding member, the sliding member has an insertion end and a telescopic end, the insertion end is inserted into the cavity through the insertion port and is movably confined in the cavity, and the telescopic end is telescopically inserted from the cavity Mouth sticking out; and

A marble mechanism, the marble mechanism includes at least one marble and at least two card slots;

At least one of the marbles is provided on the side wall of the cavity and at least two of the card slots are provided on the side wall of the sliding member;

Or, at least one of the marbles is provided on the side wall of the sliding member and at least two of the card slots are provided on the side wall of the cavity;

The sliding piece slides in the cavity, and the marble slides out of one of the grooves and is embedded in the other groove, so that the sliding piece is fixed in the cavity.

Optionally, the marble mechanism includes a plurality of the marbles and a plurality of the card slots; a plurality of the marbles are equidistantly arranged on a side wall of the cavity; a plurality of the clips Grooves are equidistantly provided on the side wall of the sliding member; or, a plurality of the marbles are equidistantly provided on the side wall of the sliding member, and a plurality of the card grooves are equidistantly provided on the On one side wall of the cavity.

Optionally, the marble mechanism includes one marble and a plurality of card slots;

One of the marbles is arranged on a side wall of the cavity and adjacent to the insertion port, and a plurality of the card slots are arranged on the side wall of the sliding member along a straight line;

Or, one of the marbles is arranged on the side wall of the sliding member and adjacent to the insertion end, and a plurality of the card slots are arranged on a side wall of the cavity along a straight line.

Optionally, the marble mechanism includes an even number of the marbles and a plurality of the card slots;

An even number of the marbles are respectively arranged on the two side walls of the cavity and adjacent to the insertion port, and a plurality of the card slots are arranged in two rows on the two side walls of the sliding member, respectively;

Or an even number of the marbles are respectively arranged on the two side walls of the sliding member and adjacent to the insertion end, and a plurality of the card slots are arranged in two rows on the two side walls of the cavity, respectively.

Optionally, the sliding member is provided with a first limiting portion and a second limiting portion, the first limiting portion is adjacent to the insertion end, and the second limiting portion and the telescopic end are adjacent to each other. Adjacent, a third limiting portion is provided on the side wall of the cavity, the third limiting portion is adjacent to the insertion port, and the sliding member passes through the first limiting portion or the The second limiting portion cooperates with the third limiting portion to be movably limited in the cavity;

Or, a fourth limiting portion is provided on the sliding member, and the fourth limiting portion is adjacent to the insertion end; a fifth limiting portion and a sixth limiting portion are provided on the side wall of the cavity; The sliding member is movably limited in the cavity through the cooperation of the fourth limiting portion or the fifth limiting portion and the sixth limiting portion, respectively.

Optionally, the marble includes an elastic member and a bead; a mounting hole is provided on the side wall of the cavity or the side wall of the sliding member, and one end of the elastic member is fixed to the In the installation hole, the bead is arranged at the other end of the elastic member and protrudes outward from the opening of the installation hole.

Optionally, the pinball telescopic device further includes an electric wire; the electric wire is inserted into the sliding member through a first through hole or integrally formed in the sliding member.

Optionally, the pinball telescopic device further includes a rigid strip; the rigid strip penetrates the sliding member through a second perforation or is integrally formed in the sliding member.

Optionally, a wire compartment is formed between the insertion end and the back wall of the cavity, and a lead hole communicating with the wire compartment is provided on the wall surface of the cavity, and the tail of the wire is accommodated in the cavity. The wire bin, the end of which is led out from the lead hole.

The utility model also provides a headgear, which includes a headband, and the headband has two mounting ends; the headgear also includes the above-mentioned marble-type telescopic device, and the two marble-type telescopic devices are respectively arranged at On the two mounting ends.

The above-mentioned one or more technical solutions in the pinball telescopic device and the head-mounted device provided by the embodiments of the present invention have at least one of the following technical effects:

1. When the pinball telescopic device is used, the slider is pulled, the slider slides relative to the housing, and the telescopic end extends from the insertion port to achieve telescopic adjustment; the slider slides in the cavity, and the marble Slide out from one of the slots and insert into the other slot to fix the sliding member in the cavity; the marble mechanism plays the role of fixing the sliding member; the marble telescopic device has the characteristics of compact structure and small volume ; And the structure of the pinball mechanism is more stable, more durable, and has a longer service life;

2. The head-mounted device with the pinball telescopic device is correspondingly small in size, strong and durable.

Description of the drawings

In order to explain the technical solutions in the embodiments of the present utility model more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the utility model. For some of the new embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative labor.

Fig. 1 is a schematic diagram of the structure of the marble-type telescopic device provided in the first embodiment of the present invention.

Fig. 2 is another schematic diagram of the structure of the pinball telescopic device provided in the first embodiment of the present invention.

FIG. 3 is a schematic diagram of the structure of the head-mounted device provided by Embodiment 2 of the present invention.

4 is a schematic diagram of the structure of the marble type telescopic device provided in the third embodiment of the present invention.

FIG. 5 is another schematic diagram of the structure of the marble-type telescopic device provided in Embodiment 3 of the present invention.

Fig. 6 is a schematic structural diagram of a marble-type telescopic device provided in embodiment 4 of the present invention.

FIG. 7 is a schematic diagram of the structure of a marble telescopic device provided in Embodiment 5 of the present invention.

FIG. 8 is another schematic diagram of the structure of the marble type telescopic device provided by the fifth embodiment of the present invention.

FIG. 9 is a schematic diagram of the structure of the marble type telescopic device provided by the sixth embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a marble-type telescopic device provided in embodiment 7 of the utility model.

FIG. 11 is a schematic structural diagram of a marble telescopic device provided in Embodiment 8 of the present invention.

Fig. 12 is a schematic structural diagram of a marble-type telescopic device provided in Embodiment 9 of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are intended to explain the embodiments of the present utility model, and should not be understood as a limitation to the present utility model.

Example 1

As shown in FIGS. 1 to 2, this embodiment provides a pinball telescopic device 100, which includes a housing 110, a sliding member 120, and a pinball mechanism 130. A cavity 111 is formed in the housing 110, and the cavity 111 has an insertion port 1111. The sliding member 120 has an insertion end 121 and a telescopic end 122. The insertion end 121 is inserted into the cavity 111 through the insertion port 1111 and is movably confined in the cavity 111. The telescopic end 122 is telescopically Extend from the insertion port 1111. The marble mechanism 130 includes at least one marble 131 and at least two card slots 132. At least one of the marbles 131 is provided on the side wall of the cavity 111 and at least two of the locking slots 132 are provided on the side wall of the sliding member 120. The sliding member 120 slides in the cavity 111, and the marble 131 slides out of one of the grooves 132 and is embedded in the other groove 132, so that the sliding member 120 is fixed to the cavity 111. The cavity 111.

When the pinball telescopic device 100 is used, the sliding member 120 is pulled, the sliding member 120 slides relative to the housing 110, and the telescopic end 122 telescopically extends from the insertion port 1111, thereby achieving telescopic adjustment. The sliding member 120 slides in the cavity 111, and the marble 131 slides out of one of the grooves 132 and is embedded in the other groove 132, so that the sliding member 120 is fixed in the cavity 111. The pachinko mechanism 130 functions to fix the slider 120. The pinball telescopic device 100 has the characteristics of compact structure and small volume. In addition, the structure of the pachinko mechanism 130 is more stable, more durable, and has a longer service life.

The marble mechanism 130 includes a plurality of marbles 131 and a plurality of card slots 132. A plurality of the marbles 131 are equidistantly arranged on a side wall of the cavity 111. Specifically, a plurality of the marbles 131 are linearly distributed along the sliding direction of the sliding member 120. A plurality of the grooves 132 are equidistantly provided on the side wall of the sliding member 120. Specifically, a plurality of the grooves 132 are linearly distributed along the sliding direction of the sliding member 120. A plurality of the marbles 131 can improve the damping feeling and the pulling texture of the sliding member 120 when sliding.

The sliding member 120 is provided with a first limiting portion 123 and a second limiting portion 124. Specifically, the first limiting portion 123 and the second limiting portion 124 are respectively a limiting groove 125 The two side walls. The first limiting portion 123 is adjacent to the insertion end 121, the second limiting portion 124 is adjacent to the telescopic end 122, and a third limiting portion is provided on the side wall of the cavity 111 1112. Specifically, the third limiting portion 1112 is a bump inserted into the limiting groove 125. The third limiting portion 1112 is adjacent to the insertion port 1111, and the sliding member 120 passes through the first limiting portion 123 or the second limiting portion 124 and the third limiting portion 1112, respectively. The cooperation and movement are limited in the cavity 111. When the sliding member 120 is drawn out to the maximum stroke, the third limiting portion 1112 blocks the first limiting portion 123, and the sliding member 120 is limited. When the sliding member 120 is inserted to the maximum stroke, the third limiting portion 1112 blocks the second limiting portion 124, and the sliding member 120 is limited. The cooperation of the protrusion and the limiting groove 125 also plays a role in preventing the sliding member 120 from shaking.

The marble 131 includes an elastic member 1311 and a bead body 1312, and the elastic member 1311 is a spring. In a preferred embodiment of the present invention, the elastic member 1311 may also be an elastic sheet, an elastic thimble, and the like. The side wall of the cavity 111 is provided with a first mounting hole 1113, one end of the elastic member 1311 is fixed in the first mounting hole 1113, and the bead 1312 is disposed on the other of the elastic member 1311. One end protrudes outward from the opening of the first mounting hole 1113. The elastic member 1311 pushes the bead body 1312 upward. When the bead 1312 is located below the slot 132, the bead 1312 protrudes outward and is embedded in the slot 132. When the sliding member 120 slides, the ball 1312 slides out of the slot 132 and is pressed into the first mounting hole 1113, and the ball 1312 slides below the other slot 132 At this time, the elastic member 1311 pushes up the bead 1312, and the bead 1312 is embedded in the slot 132. The elastic member 1311 is only subjected to downward pressure, and therefore, the elastic member 1311 is not easily deformed and fails.

The pinball telescopic device 100 further includes a wire 140. The wire 140 is inserted into the sliding member 120 through a first through hole 126, and has the characteristics of a hidden lead, which is beautiful and safe.

The pinball telescopic device 100 also includes a rigid bar 150. The rigid strip 150 passes through the sliding member 120 through a second through hole 127.

A wire storage 1114 is formed between the insertion end 121 and the rear wall of the cavity 111, and the wire storage 1114 functions to store wires. The wall surface of the cavity 111 is also provided with a lead hole 1115 communicating with the wire compartment 1114. The tail of the wire 140 is accommodated in the wire bin 1114, and its end is led out from the lead hole 1115. The tail of the electric wire 140 is a spring wire, which has the feature of being stretchable. The spring wire meets the requirement that the wire needs to be stretched when the sliding member 120 slides.

Example 2

As shown in FIG. 3, this embodiment provides a headwear device, which includes a headband 200 having two mounting ends 210. The head-mounted device also includes the pinball telescopic device 100 of the first embodiment, and the two pinball telescopic devices 100 are respectively provided on the two mounting ends 210. The head-mounted device with the pinball telescopic device 100 is correspondingly small in size, strong and durable.

The rest of this embodiment is the same as that of Embodiment 1. For the features that are not explained in this embodiment, the explanation of Embodiment 1 is adopted, and will not be repeated here.

Example 3

As shown in FIG. 4 and FIG. 5, the difference between this embodiment and Embodiment 1 is that the marble mechanism 130 includes a marble 131 and a plurality of card slots 132. One of the marbles 131 is arranged on a side wall of the cavity 111 and adjacent to the insertion port 1111, and a plurality of the latching grooves 132 are arranged on the side wall of the sliding member 120 along a straight line. One of the marbles 131 has the advantages of convenient installation and cost saving.

In this embodiment, the marbles 131 are positioning beads. The positioning beads are also called ball plungers or spring plungers. It is a component composed of a shell, a spring, a ball or a cylinder.

The electric wire 140 is integrally formed in the sliding member 120. The rigid strip 150 is integrally formed in the sliding member 120.

Example 4

As shown in FIG. 6, the difference between this embodiment and the third embodiment is that one of the marbles 131 is arranged on the side wall of the sliding member 120 and is adjacent to the insertion end 121, and a plurality of the The slot 132 is formed on a side wall of the cavity 111 along a straight line. The side wall of the sliding member 120 is provided with a second mounting hole 128, one end of the elastic member 1311 is fixed in the second mounting hole 128, and the bead 1312 is disposed on the other of the elastic member 1311. One end protrudes outward from the opening of the second mounting hole 128.

The rest of this embodiment is the same as that of Embodiment 3. For the features that are not explained in this embodiment, the explanation of Embodiment 3 is adopted, and will not be repeated here.

Example 5

As shown in FIGS. 7 and 8, the difference between this embodiment and Embodiment 1 is that the marble mechanism 130 includes an even number of the marbles 131, 131' and a plurality of the card slots 132, 132' In this embodiment, the number of the marbles 131, 131' is two. In some embodiments of the utility model, the number of the marbles may be 4, 6, 8, etc. The two marbles 131, 131' are respectively arranged on the two side walls of the cavity 111 and are adjacent to the insertion port 1111, and a plurality of the card slots 132, 132' are arranged in two rows in the cavity 111, respectively. The two side walls of the sliding member 120 are described. The two marbles 131, 131' reduce the failure rate of the marble mechanism 130. Even if one marble 131 fails, the other marble 131' can continue to work.

Example 6

As shown in FIG. 9, the difference between this embodiment and Embodiment 5 is that an even number of the marbles 131, 131' are respectively provided on the two side walls of the sliding member 120 and are opposite to the insertion end 121. By the way, a plurality of the grooves 132, 132' are arranged in two rows on the two side walls of the cavity 111, respectively.

The rest of this embodiment is the same as that of Embodiment 5. For the features that are not explained in this embodiment, the explanation of Embodiment 5 is adopted, and will not be repeated here.

Example 7

As shown in FIG. 10, the difference between this embodiment and Embodiment 1 is that a plurality of the marbles 131 are equidistantly arranged on the side wall of the sliding member 120, and a plurality of the card slots 132 are equidistant. The ground is set on a side wall of the cavity 111.

Example 8

As shown in FIG. 11, the difference between this embodiment and Embodiment 1 is that the sliding member 120 is provided with a fourth limiting portion 129, and the fourth limiting portion 129 is adjacent to the insertion end 121, specifically Ground, the fourth limiting portion 129 is a bump. A fifth limiting portion 1116 and a sixth limiting portion 1117 are provided on the side wall of the cavity 111. Specifically, the fifth limiting portion 1116 and the sixth limiting portion 1117 are respectively a groove The two side walls. The sliding member 120 is movably limited in the cavity 111 by the fourth limiting portion 129 cooperates with the fifth limiting portion 1116 or the sixth limiting portion 1117 respectively.

Example 9

As shown in FIG. 12, the difference between this embodiment and Embodiment 1 is that the first limiting portion 123, the second limiting portion 124, and the third limiting portion 1112 are all a bump . The second limiting portion 124 is limited to the outside of the third limiting portion 1112.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in this utility model. Within the scope of protection of utility models.

Claims

Pinball telescopic device, including:

A housing, a cavity is formed in the housing, and the cavity has an insertion port;

It is characterized in that it also includes:

A sliding member, the sliding member has an insertion end and a telescopic end, the insertion end is inserted into the cavity through the insertion port and is movably confined in the cavity, and the telescopic end is telescopically inserted from the cavity Mouth sticking out; and

A marble mechanism, the marble mechanism includes at least one marble and at least two card slots;

At least one of the marbles is provided on the side wall of the cavity and at least two of the card slots are provided on the side wall of the sliding member;

Or, at least one of the marbles is provided on the side wall of the sliding member and at least two of the card slots are provided on the side wall of the cavity;

The sliding piece slides in the cavity, and the marble slides out of one of the grooves and is embedded in the other groove, so that the sliding piece is fixed in the cavity.
The pinball telescopic device according to claim 1, wherein the pinball mechanism comprises a plurality of the marbles and a plurality of the card slots; the plurality of the marbles are equidistantly arranged on the On a side wall of the cavity, a plurality of the card slots are equally spaced on the side wall of the sliding member; or, a plurality of the marbles are equally spaced on the side wall of the sliding member, A plurality of the card slots are equidistantly arranged on a side wall of the cavity.
The pinball telescopic device according to claim 1, wherein the pinball mechanism comprises one pinball and a plurality of the card slots;

One of the marbles is arranged on a side wall of the cavity and adjacent to the insertion port, and a plurality of the card slots are arranged on the side wall of the sliding member along a straight line;

Or, one of the marbles is arranged on the side wall of the sliding member and adjacent to the insertion end, and a plurality of the card slots are arranged on a side wall of the cavity along a straight line.
The pinball telescopic device according to claim 1, wherein the pinball mechanism comprises an even number of the marbles and a plurality of the card slots;

An even number of the marbles are respectively arranged on the two side walls of the cavity and adjacent to the insertion port, and a plurality of the card slots are arranged in two rows on the two side walls of the sliding member, respectively;

Or, an even number of the marbles are respectively arranged on the two side walls of the sliding member and adjacent to the insertion end, and a plurality of the card slots are arranged in two rows on the two side walls of the cavity, respectively .
The pinball telescopic device according to any one of claims 1 to 4, wherein the sliding member is provided with a first limiting portion and a second limiting portion, and the first limiting portion and the The insertion ends are adjacent, the second limiting portion is adjacent to the telescopic end, a third limiting portion is provided on the side wall of the cavity, and the third limiting portion is opposite to the insertion port. Next, the sliding member is movably limited in the cavity through the cooperation of the first limiting portion or the second limiting portion and the third limiting portion;

Or, a fourth limiting portion is provided on the sliding member, and the fourth limiting portion is adjacent to the insertion end; a fifth limiting portion and a sixth limiting portion are provided on the side wall of the cavity; The sliding member is movably limited in the cavity through the cooperation of the fourth limiting portion or the fifth limiting portion and the sixth limiting portion, respectively.
The pinball telescopic device according to any one of claims 1 to 4, wherein the pinball comprises an elastic member and a bead; on the side wall of the cavity or on the side of the sliding member The wall is provided with a mounting hole, one end of the elastic piece is fixed in the mounting hole, and the bead is arranged at the other end of the elastic piece and protrudes outward from the opening of the mounting hole.
The pinball telescopic device according to any one of claims 1 to 4, further comprising an electric wire; the electric wire is inserted into the sliding member through a first through hole or is integrally formed on the sliding member. Within the pieces.
The pinball telescopic device according to any one of claims 1 to 4, further comprising a rigid strip; the rigid strip penetrates the sliding member through a second perforation or is integrally formed in Inside the sliding member.
The pinball telescopic device according to any one of claims 1 to 4, wherein an electric wire compartment is formed between the insertion end and the back wall of the cavity, and a wall of the cavity is also provided There is a lead hole communicating with the wire bin; the tail of the wire is accommodated in the wire bin, and the end of the wire is led out from the lead hole.
The headgear includes a headband, the headband has two mounting ends; it is characterized in that it also includes two marble-type telescopic devices according to any one of claims 1-9, and two marble-type telescopic devices. The telescopic devices are respectively arranged on the two installation ends.