CN215420661U - Threaded fixing column and headset - Google Patents
Threaded fixing column and headset Download PDFInfo
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- CN215420661U CN215420661U CN202120629411.2U CN202120629411U CN215420661U CN 215420661 U CN215420661 U CN 215420661U CN 202120629411 U CN202120629411 U CN 202120629411U CN 215420661 U CN215420661 U CN 215420661U
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- sealing cover
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Abstract
The utility model discloses a thread fixing column and a headset; the thread fixing column comprises a column body provided with coaxial internal threads and at least one clamping part fixedly connected with the column body; the column body comprises a first end and a first side surface; the first end is provided with an internal thread inlet; the clamping part protrudes out of the first side surface and comprises a clamping surface which is flush with the end surface of the first end. The head-wearing earphone comprises a plurality of thread fixing columns, a plurality of screws, a loudspeaker sealing cover and an earphone shell; a plurality of first through holes for screws to pass through are formed in the inner side of the edge of the horn sealing cover; each screw penetrates through each first through hole and is in threaded connection with the threaded fixing column; the earphone shell is a box body comprising an opening and a side wall; the horn sealing cover is matched with the opening in an installing way; a clamping edge extending to the center of the opening is arranged along the edge of the opening; the horn sealing cover is arranged on the opening; the inner sides of the clamping edges of the thread fixing columns are respectively abutted against the side walls, and the clamping surfaces are respectively clamped with the clamping edges. The utility model reduces the cost.
Description
Technical Field
The utility model belongs to the technical field of wearing equipment, and particularly relates to a threaded fixing column and a headset.
Background
The left and right ear main body structures of the headset are composed of a headset shell and a loudspeaker sealing cover, and the headset shell and the loudspeaker sealing cover need to be locked by a thread fixing structure in order to guarantee good sealing performance.
Current thread tightening structure includes the thread tightening post, and it is fixed in the earphone shell of moulding plastics. During the equipment, the screw passes from the first through-hole on the sealed lid of loudspeaker, with screw thread fixed column threaded connection, makes earphone shell and the sealed lid fixed connection of loudspeaker.
Although the thread fixing structure can achieve the purpose of fixing the shell and the loudspeaker sealing cover, if one of the thread fixing columns is damaged by sliding teeth in the assembling or maintaining process, the whole earphone shell cannot be used any more. The cost of the earphone shell is higher in the whole earphone cost, and if the earphone shell is scrapped due to the damage of the sliding teeth, waste is caused and the earphone cost is increased.
Disclosure of Invention
The utility model provides a thread fixing column and a headset, so that when the thread fixing column is damaged, the use of a shell of the headset is not influenced, the thread fixing column can be replaced for multiple times, the waste is reduced, and the cost is reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a thread fixing column comprises a column body provided with coaxial internal threads and at least one clamping part fixedly connected with the column body;
the column body comprises a first end and a first side surface; the first end is provided with an internal thread inlet;
the clamping part protrudes out of the first side face and comprises a clamping face which is flush with the end face of the first end.
In one embodiment, the clamping portion is a solid structure and is located on one side of the column body; the clamping portion comprises a plurality of second side surfaces which are arranged along the axial direction of the column body.
In one embodiment, the post further comprises a second end; the clamping portion is in a reduced streamline shape in the direction from the first end to the second end.
In some embodiments, the cylinder is a cylinder.
A headset comprises a plurality of thread fixing columns, a plurality of screws which are connected and matched with the internal threads of the thread fixing columns, a loudspeaker sealing cover and a headset shell;
a plurality of first through holes for the screws to pass through are formed in the inner side of the edge of the horn sealing cover; each screw penetrates through each first through hole and then is connected with the internal thread of the thread fixing column;
the earphone shell is a box body comprising an opening and a side wall; the horn sealing cover is matched with the opening in an installing mode and used for sealing the opening; a clamping edge extending to the center of the opening is arranged along the edge of the opening; the horn sealing cover is arranged on the opening; each thread fixing column is located on the inner side of the clamping edge and is respectively abutted against the side wall, and each clamping surface is respectively clamped with the clamping edge.
In one embodiment, the device further comprises a plurality of baffles which are fixedly arranged on the inner side of the side wall and protrude out of the side wall; corresponding to each first through hole;
the horn sealing cover is arranged on the opening; each thread fixing column is positioned on the inner side of the clamping edge; each clamping part is respectively abutted against each baffle, and each clamping surface is respectively clamped with the clamping edge.
In one embodiment, a plurality of second through holes corresponding to the first through holes are formed in the clamping edge; each screw penetrates through each first through hole and the corresponding second through hole and then is connected with the thread of the thread fixing column;
an installation part which is matched with the clamping part in a clamping way is arranged on the side wall on the inner side of the clamping edge; each thread fixing column is respectively installed on each installation part; each clamping part is clamped with each mounting part.
In an embodiment, the mounting portion is a first groove which is matched with one side of the thread fixing column, including the clamping portion, in mounting mode.
In one embodiment, the first groove comprises a first notch and a first groove wall; a second groove is arranged on the first groove wall close to the first notch, and comprises a second notch; the second groove is communicated with the first groove; the second notch is located on the side wall.
In some embodiments, a first positioning structure and a second positioning structure are respectively arranged on the earphone housing and the loudspeaker sealing cover, and are used for installing and positioning the earphone housing and the loudspeaker sealing cover.
Compared with the prior art, the utility model has the advantages and positive effects that: the headphone is characterized in that the headphone shell is fixedly connected with the loudspeaker sealing cover through the thread fixing column and the screw. Because the thread fixing column and the earphone shell are arranged in a separated mode, the damaged thread fixing column can be replaced for many times, so that the phenomenon that the earphone shell is scrapped due to the fact that the thread fixing column which is molded together with the earphone shell in an injection mode is damaged is avoided, the reject ratio and the reject ratio of the earphone shell are reduced, and cost is reduced.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, a brief description will be given below of the drawings required for use in the embodiments.
Fig. 1 is a schematic structural diagram of an embodiment of a screw fixing post according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a headset according to the present invention;
fig. 3 is a top view of another embodiment of a headset according to the present invention;
fig. 4 is a top view of the embodiment of the headset of fig. 2;
fig. 5 is a schematic structural diagram of a third embodiment of a headphone according to the present invention;
fig. 6 is an enlarged view of a portion a in fig. 5.
In the figure, the position of the upper end of the main shaft,
1. a horn sealing cover; 11. a first through hole; 12. a first positioning structure; 2. an earphone housing; 21. an opening; 22. edge clamping; 23. a side wall; 24. a baffle plate; 25. a second positioning structure; 26. a second through hole; 27. a first groove; 271. an installation part; 272. a second groove; 273. a first notch; 274. a first slot wall; 275. a second notch; 3. a threaded fixing column; 31. a cylinder; 32. a clamping part; 311. an internal thread; 312. a first side surface; 313. a first end; 314. a second end; 315. an internal thread inlet; 321. a clamping surface; 322. a second side surface; 4. and (4) screws.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention discloses a screw fixing post 3 and a headphone including a plurality of the screw fixing posts 3.
The threaded fixing column 3 comprises a column 31 provided with coaxial internal threads 311 and at least one clamping part 32 fixedly connected with the column 31.
The cylinder 31 includes a first end 313, a second end 314; the first end 313 is provided with an internally threaded inlet 315 for the screw 4 to be screwed thereby with the internal thread 311.
The cylinder 31 also includes a first side 312. The clamping portion 32 protrudes from the first side surface 312 and includes a clamping surface 321 flush with an end surface of the first end 313.
The head-wearing earphone also comprises an earphone shell 2, a loudspeaker sealing cover 1 and a plurality of screws 4 which are connected and matched with the internal threads 311 of the thread fixing column 3. Note that the screw 4 is equivalent to a bolt of the same specification.
The earphone housing 2 is a box body provided with an opening 21, and a clamping edge 22 extending to the center of the opening 21 is arranged at the edge of the opening 21 and used for clamping with a clamping surface 321 of the thread fixing column 3. The earphone housing 2 further comprises a side wall 23.
The horn sealing cover 1 is installed and matched with the opening 21 and used for closing the opening 21. A plurality of first through holes 11 through which the screws 4 pass but the heads of which cannot pass are formed inside the edge of the horn sealing cover 1. Each screw 4 respectively penetrates through each first through hole 11 to be in threaded connection with the threaded fixing column 3; the thread fixing column 3 is positioned on the inner side of the clamping edge 22; the clamping part 32 is abutted against the inner side surface of the side wall 23; the engaging surface 321 engages with the inner side surface of the clamping edge 22.
According to the utility model, the loudspeaker sealing cover 1, the screws 4 and the threaded fixing columns 3 are connected through the screws 4 respectively penetrating through the first through holes 11 and then being in threaded connection with the threaded fixing columns 3; the loudspeaker sealing cover 1 is arranged on the opening 21, so that the thread fixing column 3 is positioned in the box body of the earphone shell 2 and on the inner side of the clamping edge 22; each screw 4 is rotated to drive each clamping portion 32 to abut against the side wall 23 of the earphone shell 2, and each screw 4 is continuously rotated to enable each clamping surface 321 to be clamped on the inner side of the clamping edge 22 respectively, so that the earphone shell 2 is fixedly connected with the loudspeaker sealing cover 1.
When threaded fixing post 3 damaged because of the smooth tooth of screw thread, can not influence the use of earphone shell 2 with the threaded fixing post 3 replacement of damage, reduce earphone shell 2's disability rate, reduce earphone shell 2 because the defective rate that threaded fixing post 3 damaged the production, reduce the headphone cost.
The following describes the structure and principle of the threaded fixing post 3 and the headset in detail with reference to specific embodiments.
In an embodiment, referring to fig. 1, 2 and 4, the clamping portion 32 is a solid structure and has one; the clamping portion 32 is located at one side of the column 31 and is fixedly connected with the first side 312 of the column 31; the engaging portion 32 includes a plurality of second side surfaces 322 disposed along the axial direction of the cylinder 31.
This embodiment sets up joint portion 32 and is one, reduces the volume of fixed thread column 3 to reduce the space that fixed thread column 3 took in earphone shell 2, finally reduce headphone's volume.
In addition, when the earphone housing 2 and the speaker sealing cover 1 of the headphone are disassembled, as long as the connection between each screw 4 and the corresponding threaded fixing post 3 is loosened, the screws 4 are continuously rotated to drive the clamping surfaces 321 of the threaded fixing posts 3 to be separated from the clamping edges 22, so that the disassembling stroke and time length of the screws 4 are shortened, and the disassembling efficiency is improved.
Certainly, joint portion 32 also can be two, around the axis evenly distributed of cylinder 31, respectively with lateral wall 23 butt when earphone shell 2 and the sealed 1 installation of loudspeaker lid and dismantlement, shortens the stroke of joint portion 32 and lateral wall 23 butt when earphone shell 2 and the sealed 1 installation of loudspeaker lid, improves the installation effectiveness.
In one embodiment, referring to fig. 1, 2, 3, 4, 5 and 6, the cylinder 31 is a cylinder. The clamping portion 32 is disposed at the first end 313 and has a streamline shape that is narrowed in a direction from the first end 313 to the second end 314.
The shape of the clamping portion 32 of the embodiment can increase the connecting strength between the clamping portion 32 and the column body 31, and reduce the reject ratio of the screw fixing column 3. In addition, the volume of screw fixation post 3 can be dwindled to the shape of the joint portion 32 of this embodiment to reduce the occupation space in earphone shell 2, finally reduce headphone's volume.
Preferably, each second side surface 322 of the clamping portion 32 is an arc surface protruding outwards, so that the clamping portion is prevented from being clamped with the side wall 23 and difficult to detach.
In an embodiment, referring to fig. 1, 2 and 3, the headset further includes a plurality of baffles 24 fixedly disposed on the inner wall of the sidewall 23 and protruding from the sidewall 23; is disposed corresponding to each first through hole 11.
The horn sealing cover 1 is arranged on the opening 21; each thread fixing column 3 is positioned at the inner side of the clamping edge 22; each of the engaging portions 32 abuts against each of the baffles 24; each engaging surface 321 engages with the corresponding edge 22.
This embodiment is through setting up baffle 24 and the butt of joint portion 32 that corresponds with each threaded fixing post 3, blocks joint portion 32 and rotates along with the rotation of screw 4. Because the setting of baffle 24 guarantees that joint portion 32 prevents the rotation of threaded fixing post 3, improves headphone installation yield, reduces the headphone defective rate.
In addition, because the setting of baffle 24, the volume that reduces joint portion 32 still satisfies the rotation that blocks the screw fixation post 3, reduces the volume of screw fixation post 3 to reduce headphone's volume.
In an embodiment, referring to fig. 1, 5 and 6, a plurality of second through holes 26 corresponding to the first through holes 11 are disposed on the clamping edge 22, and the diameter of the second through holes is smaller than the diameter of the cylinder 31; and each screw 4 is in threaded connection with the threaded fixing column 3 after passing through each first through hole 11 and the corresponding second through hole 26.
A mounting part 271 which is matched with the clamping part 32 in a clamping way is arranged on the side wall 23 at the inner side of the clamping edge 22 of the earphone shell 2; each thread fixing column 3 is respectively arranged on each installation part 271; the engagement portions 32 are engaged with the mounting portions 271, respectively.
This embodiment makes each thread fixing post 3 be located the inboard of card limit 22 respectively through setting up each second through-hole 26, and the terminal surface of joint face 321 and first end 313 all with the medial surface joint of card limit 22, improves the equilibrium of the atress that thread fixing post 3 and card limit 22 are connected, improves headphone's installation quality, reduces the defective rate.
This embodiment is with thread fixing column 3 and installation department 271 joint, makes thread fixing column 3 fixed for earphone shell 2, reduces headphone's earphone shell 2 and the sealed installation degree of difficulty that covers 1 of loudspeaker, improves the installation effectiveness.
Preferably, the installation portion 271 is the first groove 27 of one side installation adaptation including joint portion 32 with the fixed screw thread post 3, with joint portion 32 joint, and the cylinder 31 is wrapped to part, makes fixed screw thread post 3 can place in installation portion 271 firmly fast, improves packaging efficiency and quality.
In one embodiment, referring to fig. 1, 5 and 6, the first groove 27 includes a first notch 273, a first groove wall 274; a second groove 272 including a second notch 275 is provided on the first groove wall 274 adjacent to the first notch 273; the second groove 272 communicates with the first groove 27; the second notch 275 is located on the side wall 23.
This embodiment accessible is pried out threaded fixing post 3 by the instrument by second recess 272 entering first recess 27, and the threaded fixing post 3 of convenient damage is dismantled and is taken out, improves threaded fixing post 3's dismantlement efficiency.
In some embodiments, referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a first positioning structure 12 and a second positioning structure 25 are respectively disposed on the earphone housing 2 and the speaker sealing cover 1, and are used for mounting and positioning the earphone housing 2 and the speaker sealing cover 1, so as to improve the assembly efficiency of the headset.
Preferably, the first positioning structure 12 and the second positioning structure 25 are a plurality of positioning posts and a plurality of positioning holes adapted to the positioning posts.
Claims (10)
1. A thread fixing column is characterized by comprising a column body provided with coaxial internal threads and at least one clamping part fixedly connected with the column body;
the column body comprises a first end and a first side surface; the first end is provided with an internal thread inlet;
the clamping part protrudes out of the first side face and comprises a clamping face which is flush with the end face of the first end.
2. The thread fixing post according to claim 1, wherein the engaging portion is a solid structure and is located at one side of the post body; the clamping portion comprises a plurality of second side surfaces which are arranged along the axial direction of the column body.
3. The threaded fixation post according to claim 2, wherein said post further comprises a second end; the clamping portion is in a reduced streamline shape in the direction from the first end to the second end.
4. The thread fixing post according to any one of claims 1 to 3, wherein the post is a cylinder.
5. A headset, comprising:
a plurality of the thread fixing posts of any one of claims 1 to 4;
a plurality of screws which are connected and matched with the internal threads of the thread fixing columns;
the inner side of the edge of the horn sealing cover is provided with a plurality of first through holes for the screws to pass through; each screw penetrates through each first through hole and then is connected with the internal thread of the thread fixing column;
the earphone comprises an earphone shell, a sound box and a sound box, wherein the earphone shell is a box body comprising an opening and a side wall; the horn sealing cover is matched with the opening in an installing mode and used for sealing the opening; a clamping edge extending to the center of the opening is arranged along the edge of the opening; the horn sealing cover is arranged on the opening; each thread fixing column is located on the inner side of the clamping edge and is respectively abutted against the side wall, and each clamping surface is respectively clamped with the clamping edge.
6. The headphone of claim 5, further comprising a plurality of baffles fixedly disposed inside the sidewalls and protruding from the sidewalls; corresponding to each first through hole; each clamping part is respectively abutted against each baffle.
7. The headphone as claimed in claim 5, wherein a plurality of second through holes corresponding to the first through holes, respectively, are provided on the clamping edge; each screw penetrates through each first through hole and the corresponding second through hole and then is connected with the internal thread of the thread fixing column;
an installation part which is matched with the clamping part in a clamping way is arranged on the side wall on the inner side of the clamping edge; each thread fixing column is respectively installed on each installation part; each clamping part is clamped with each mounting part.
8. The headphone of claim 7, wherein the mounting portion is a first groove adapted to a side of the threaded fixing post including the snap-fit portion.
9. The headphone of claim 8, wherein the first groove comprises a first notch, a first groove wall; a second groove is arranged on the first groove wall close to the first notch, and comprises a second notch; the second groove is communicated with the first groove; the second notch is located on the side wall.
10. The headphone as claimed in any one of claims 5 to 9, wherein a first positioning structure and a second positioning structure are respectively disposed on the headphone housing and the speaker sealing cover for positioning the headphone housing and the speaker sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629411.2U CN215420661U (en) | 2021-03-29 | 2021-03-29 | Threaded fixing column and headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629411.2U CN215420661U (en) | 2021-03-29 | 2021-03-29 | Threaded fixing column and headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215420661U true CN215420661U (en) | 2022-01-04 |
Family
ID=79669573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120629411.2U Active CN215420661U (en) | 2021-03-29 | 2021-03-29 | Threaded fixing column and headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215420661U (en) |
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2021
- 2021-03-29 CN CN202120629411.2U patent/CN215420661U/en active Active
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