CN219812245U - Rail type connecting structure for fixing earphone steel belt shell and earphone - Google Patents
Rail type connecting structure for fixing earphone steel belt shell and earphone Download PDFInfo
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- CN219812245U CN219812245U CN202320925721.8U CN202320925721U CN219812245U CN 219812245 U CN219812245 U CN 219812245U CN 202320925721 U CN202320925721 U CN 202320925721U CN 219812245 U CN219812245 U CN 219812245U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000000670 limiting effect Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a track type connecting structure for fixing a headset steel belt shell and a headset, comprising a head steel belt, a first shell and a second shell; the first shell and the second shell are connected in a matched manner, and a cavity is formed between the first shell and the second shell; one end of the head steel belt extends into the cavity for fixation; the side outer wall of the first shell is concavely provided with an arc-shaped track groove, the corresponding side outer wall of the first shell is convexly provided with an arc-shaped raised line, the arc-shaped track groove is inserted along one end of the arc-shaped raised line, and when the arc-shaped track groove reaches a preset position, the arc-shaped track groove is connected with the arc-shaped raised line in an installation mode. The installation between first casing and the second casing need not through the fastening of screw, reduces the step of manual tightening screw in the installation, saves the labour, reduces the use of screw material, save material.
Description
Technical Field
The utility model relates to the technology in the field of earphone production, in particular to a track type connecting structure for fixing an earphone steel belt shell.
Background
The connecting party of the existing earphone head steel belt and the earphone shell is fixed by adopting screws or buckles. The screw fixing mode is firm in structure, the procedure is complex, the screws are needed to be manually tightened, stable connection is achieved, the number of the screws is at least two, and labor hour is consumed. The other mode adopts the buckle fixing mode, although the operation is simple, the firmness is low, and the buckle connected with the head steel belt and the earphone shell is easy to loosen in the using process.
Chinese patent 201921331143.5 discloses a bandeau structure of headphone, including bandeau upper cover and bandeau lower cover, its characterized in that: the sliding rods penetrate through the sliding parts and are in sliding connection with the inner side walls of the sliding parts; the headband upper cover is detachably connected with the headband lower cover; the inner end face array of bandeau upper cover (1) is provided with a plurality of buckles (14), the inner end face array of bandeau lower cover (2) is provided with a plurality of draw-in grooves (22) that correspond with buckle (14), bandeau upper cover (1) and bandeau lower cover (2) realize joint through buckle (14) and draw-in groove (22).
However, in the connection of the earphone head steel band and the earphone shell, the firmness after installation can be realized, such as screw fixation type stability, and the installation procedure is simple and convenient as the buckle type installation, which is a problem to be solved.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art by providing a track type connection structure for fixing a headset steel band housing, and by means of the track type connection structure, the present utility model overcomes the drawbacks of the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a track type connecting structure for fixing a headset steel belt shell comprises a head steel belt, a first shell and a second shell; the first shell and the second shell are connected in a matched manner, and a cavity is formed between the first shell and the second shell; one end of the head steel belt extends into the cavity for fixation;
the side outer wall of the first shell is concavely provided with an arc-shaped track groove, the corresponding side outer wall of the first shell is convexly provided with an arc-shaped raised line, the arc-shaped track groove is inserted along one end of the arc-shaped raised line, and when the arc-shaped track groove reaches a preset position, the arc-shaped track groove is connected with the arc-shaped raised line in an installation mode.
As a preferable scheme, the arc convex strips are of an integral strip type structure, or alternatively, the arc convex strips are of a sectional type structure.
As a preferable scheme, the arc-shaped raised strips comprise a first arc-shaped raised strip, a second arc-shaped raised strip and a third arc-shaped raised strip which are sequentially arranged at intervals along the insertion direction of the arc-shaped track groove; the first arc convex strip, the second arc convex strip and the third arc convex strip are all positioned in the arc track groove and are in contact connection with the arc track groove.
As a preferable scheme, the first arc-shaped raised strips are concavely provided with clamping grooves, clamping blocks are convexly arranged in the arc-shaped track grooves corresponding to the positions of the clamping grooves, and the clamping grooves are fixedly buckled with the clamping blocks when one ends of the arc-shaped raised strips are inserted into the preset positions.
As a preferable scheme, a limit table is convexly arranged on the side surface of the first shell, which is close to the second shell, and a blocking table is correspondingly convexly arranged on the inner wall of the second shell, and when the arc-shaped track groove is inserted to the preset position along one end of the arc-shaped convex strip, the lower end surface of the limit table is abutted against the blocking table for positioning; the lower end face of the head steel belt is propped against the blocking table to be positioned.
As a preferable scheme, the inner wall of the second shell is also convexly provided with a screw column, the screw column is positioned beside the blocking table, a slotted hole is penetrated by the head steel belt corresponding to the screw column, and a screw penetrates through the slotted hole to be in threaded connection with the screw column, so that the head steel belt is fixed.
An earphone, comprising: the track type connecting structure for fixing the earphone steel belt shell is characterized by comprising a track type connecting structure for fixing the earphone steel belt shell.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, according to the technical scheme, the first shell and the second shell are fixed by the matching installation of the arc protruding strips of the arc track grooves, and compared with the prior art that the first shell and the second shell are fixed by using screws, the first shell and the second shell are lower in cost due to the comprehensive contact structure or the multi-section contact structure of the arc protruding strips and the arc track grooves. Compared with the traditional buckle structure, the connecting stability is better and the first shell and the second shell are not easy to loosen.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a perspective view of a track-type connection structure for securing a headset steel band housing according to an embodiment of the present utility model;
FIG. 2 is a schematic exploded view of a track-type connection structure for fixing a earphone steel band housing according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a first housing and a second housing according to an embodiment of the present utility model;
FIG. 4 is a perspective view of a first housing of an embodiment of the present utility model;
FIG. 5 is a perspective view of a second housing of an embodiment of the present utility model;
FIG. 6 is a cross-sectional view at A in FIG. 1;
FIG. 7 is a schematic diagram of another embodiment of the present utility model.
The attached drawings are used for identifying and describing:
1. head steel belt 2, first shell
3. Second housing 10, chamber
11. Screw column 12, slotted hole
21. Arc track groove 22, clamping block
23. Limiting table 31, arc convex strip
32. Clamping groove 33 and blocking table
301. First arc convex strip 302, second arc convex strip
303. And a third arc convex strip.
Detailed Description
Referring to fig. 1 to 7, which show a specific structure of a preferred embodiment of the present utility model, a track type connection structure for fixing a headset steel band housing, and referring to fig. 1, 2 and 6, the track type connection structure includes a head steel band 1, a first housing 2 and a second housing 3. The first shell 2 and the second shell 3 are connected in a matched mode to form a cavity 10, and one end of the head steel belt 1 extends into the cavity 10 to be fixed.
Referring to fig. 3, 4 and 5, the side outer walls of the first housing 2 are concavely provided with two arc-shaped track grooves 21, and the arc-shaped track grooves 21 are respectively arranged on the outer walls of the two sides of the first housing 2. Specifically, the arc-shaped rail groove 21 extends from the upper end of the first housing 2 to the lower end of the first housing 2. Correspondingly, arc convex strips 31 are arranged on the two inner side walls of the second shell 3 in a protruding mode. Based on the above structure, arc sand grip 31 can insert along arc track groove 21 one end, and first casing 2 and second casing 3 form a face contact through the cooperation of arc track groove 21 and arc sand grip 31, have increased area of contact for first casing 2 and second casing 3 are difficult for the separation, and the installation is fastened, and head steel band 11 can be firm in the cavity 10 that first casing 2 and second casing 3 cooperation formed.
In other embodiments, the arcuate track groove 21 may be located on the second housing and the corresponding arcuate rib 31 may be located on the first housing.
As shown in fig. 7, in an embodiment, the arc-shaped protruding strip 31 on the inner side wall of the second housing 3 may be configured as an integral strip structure, which is understood that the arc-shaped protruding strip 31 extends from the upper end of the second housing to the lower end of the second housing.
As shown in fig. 1 to 6, as another embodiment, the arc-shaped protruding strips 31 may be configured as a sectional structure, and the arrangement of the sectional-shaped protruding strips 31 can effectively reduce the friction force during the insertion, so that the arc-shaped protruding strips 31 can be smoothly inserted into the arc-shaped track groove 21 of the first housing 2.
Specifically, the arc-shaped protruding strip 31 may be configured as a three-stage type, including a first arc-shaped protruding strip 301, a second arc-shaped protruding strip 302, and a third arc-shaped protruding strip 303. The first arc-shaped raised strips 301, the second arc-shaped raised strips 302 and the third arc-shaped raised strips 303 are sequentially arranged at intervals along the insertion direction of the arc-shaped track groove 21. The first arc convex strip 301, the second arc convex strip 302 and the third arc convex strip 303 are inserted into the arc track groove 21 and are in contact connection with the arc track groove 21 to form multi-section surface contact, so that the first shell and the second shell can be firmly connected.
Alternatively, the lengths of the first arc-shaped convex strip 301, the second arc-shaped convex strip 302 and the third arc-shaped convex strip 303 may be the same length, or two of the three may be the same length; alternatively, the three may be of different lengths.
The first arc-shaped protruding strip 301 is concavely provided with a clamping groove 32, and a clamping block 22 is convexly arranged in the arc-shaped track groove 21 corresponding to the clamping groove 32. When the arc-shaped track groove 21 is inserted into the predetermined position along one end of the first arc-shaped protruding strip 301, the clamping groove 32 is fastened and fixed with the clamping block 22, and of course, the clamping groove 32 and the clamping block 22 can be arranged in a exchanged manner. As another embodiment, the arc-shaped convex strip 31 of the integral strip structure is also provided with a clamping groove 32. Due to the above structure, after the arc-shaped raised strips 31 are inserted into the predetermined positions of the arc-shaped rails, the clamping grooves 32 are fastened and fixed with the clamping blocks 22, so that the arc-shaped raised strips 31 are prevented from slipping out of the arc-shaped rails after being mounted. Of course, the mating and fixing structure of the first housing and the second housing is not limited to the snap structure, as long as the two can be fixed.
The side surface of the first shell 2, which is close to the second shell 3, is convexly provided with a limiting table 23, and correspondingly, the inner wall of the second shell 3 is convexly provided with a blocking table 33. When the arc-shaped track groove 21 is inserted to the predetermined position along one end of the arc-shaped protruding strip 31, the lower end surface of the limiting table 23 abuts against the blocking table 33 to be positioned. The limiting table 23 and the blocking table 33 are arranged, so that the first shell 2 does not exceed the edge of the second shell 3 in the process of inserting the arc-shaped track groove 21 into the arc-shaped raised line 31, and the limiting effect is achieved. Particularly, when the lower end surface of the limiting table 23 abuts against the blocking table 33, the clamping groove 32 and the clamping block 22 are matched and combined with each other, so as to perform a double positioning function.
The lower end surface of the head steel strip 1 is positioned against the blocking table 33. The inner wall of the second housing 3 is further provided with a screw column 11 in a protruding manner, the screw column 11 is located beside the blocking table 33, a slot hole 12 is formed in the head steel belt 1 corresponding to the screw column 11, and a screw penetrates through the slot hole 12 to be in threaded connection with the screw column, so that the head steel belt 1 is fixed. Of course, the use of screws to fix the head steel strip 1 is only one example. Due to the above structure, the head steel band 1 is fixed in the chamber by the screw structure, and the connection thereof is very firm.
The utility model also provides an earphone, which comprises the track type connecting structure for fixing the earphone steel belt shell. The earphone adopts all the technical schemes of all the embodiments, so that the earphone has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated here.
In summary, the design of the present utility model is focused on the track type connection structure for fixing the earphone steel band shell, including the head steel band 1, the first shell 2 and the second shell 3, where the outer wall of the first shell 2 side has an arc track groove 21 and an arc convex strip 31 on the inner side wall of the second shell 3 are mounted in cooperation, the arc convex strip 31 is inserted into the arc track groove 21, so as to fix the first shell and the second shell, thereby forming a cavity 10, one end of the head steel band 1 of the earphone stretches into the cavity 10 to be fixed, and the overall contact structure or the multi-stage contact structure of the arc track groove 21 and the arc convex strip 31 is provided. The first shell 2 and the second shell 3 are installed without screw fixation, and the screw tightening step is reduced in the installation process by means of plugging, so that labor force is saved, the use of screw materials is reduced, and the cost is lower. On the other hand, compared with the traditional first shell and the second shell fixed by using the buckle structure, the connecting stability is better, the joint surface is firmer and more reliable, and the joint surface is not easy to loosen.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (7)
1. A track type connection structure for fixing a headset steel belt shell is characterized in that: comprises a head steel belt, a first shell and a second shell; the first shell and the second shell are connected in a matched manner, and a cavity is formed between the first shell and the second shell; one end of the head steel belt extends into the cavity for fixation;
the side outer wall of the first shell is concavely provided with an arc-shaped track groove, the corresponding side outer wall of the first shell is convexly provided with an arc-shaped raised line, the arc-shaped track groove is inserted along one end of the arc-shaped raised line, and when the arc-shaped track groove reaches a preset position, the arc-shaped track groove is connected with the arc-shaped raised line in an installation mode.
2. The track-type connection structure for fixing a headset steel band housing according to claim 1, wherein: the arc sand grip is an integral strip type structure, or, the arc sand grip is sectional type structure.
3. The track-type connection structure for fixing a headset steel band housing according to claim 2, wherein: the arc convex strips comprise a first arc convex strip, a second arc convex strip and a third arc convex strip which are sequentially arranged at intervals along the insertion direction of the arc track groove; the first arc convex strip, the second arc convex strip and the third arc convex strip are all positioned in the arc track groove and are in contact connection with the arc track groove.
4. A track-type connection structure for fixing a headphone steel band housing as claimed in claim 3, wherein: the first arc sand grip is concave upward to be equipped with the draw-in groove, the arc track inslot corresponds the draw-in groove position is protruding to be equipped with the fixture block, the arc track groove is followed arc sand grip one end inserts when predetermined position, the draw-in groove with the fixture block buckle is fixed.
5. The track-type connection structure for fixing a headset steel band housing according to claim 1, wherein: a limiting table is convexly arranged on the side surface, close to the second shell, of the first shell, a blocking table is correspondingly convexly arranged on the inner wall of the second shell, and when the arc-shaped track groove is inserted to the preset position along one end of the arc-shaped convex strip, the lower end surface of the limiting table is abutted against the blocking table for positioning; the lower end face of the head steel belt is propped against the blocking table to be positioned.
6. The track-type connection structure for fixing a headset steel band housing according to claim 5, wherein: the inner wall of the second shell is also convexly provided with a screw column, the screw column is positioned beside the blocking table, a slotted hole is penetrated through the head steel belt at the position corresponding to the screw column, and a screw penetrates through the slotted hole to be in threaded connection with the screw column, so that the head steel belt is fixed.
7. An earphone, comprising: the track-type connection structure for fixing a headphone steel strip housing as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925721.8U CN219812245U (en) | 2023-04-23 | 2023-04-23 | Rail type connecting structure for fixing earphone steel belt shell and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925721.8U CN219812245U (en) | 2023-04-23 | 2023-04-23 | Rail type connecting structure for fixing earphone steel belt shell and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219812245U true CN219812245U (en) | 2023-10-10 |
Family
ID=88212584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925721.8U Active CN219812245U (en) | 2023-04-23 | 2023-04-23 | Rail type connecting structure for fixing earphone steel belt shell and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219812245U (en) |
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2023
- 2023-04-23 CN CN202320925721.8U patent/CN219812245U/en active Active
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