CN217883792U

CN217883792U - Adjustable dynamics earphone pressurize structure

Info

Publication number: CN217883792U
Application number: CN202222000677.8U
Authority: CN
Inventors: 刘金木
Original assignee: Dongguan Maihui Hardware Electronic Equipment Co ltd
Current assignee: Dongguan Maihui Hardware Electronic Equipment Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-22
Anticipated expiration: 2032-07-29

Abstract

The utility model belongs to the technical field of the digital field of electron technique and specifically relates to an adjustable dynamics earphone pressurize structure, including last mould pressure head and orientation die, be provided with the earphone and place the cavity below being located the work end of last mould pressure head on the working face of orientation die, wherein the earphone is placed the inside of cavity and has been placed the earphone, the bottom fixedly connected with chassis of orientation die, through even pull rod guide subassembly sliding connection on the chassis on the base, the utility model discloses a design is at the inside spiral adjustment double-screw bolt of T type through-hole to extrude or stretch the spring, thereby change the length of spring, change the deformation volume of spring promptly, change the coefficient of elasticity of spring, thereby changed the cushion power of pressurized between chassis and the base, reached earphone shell pressure adjustable effect, effectually solved present earphone pressurize pressure size pressurize control, easy pressfitting is not in place, or crush the problem of earphone shell.

Description

Dynamics adjustable earphone pressurize structure

Technical Field

The utility model relates to an electronic digital field technical field specifically is an adjustable dynamics earphone pressurize structure.

Background

After the earphone shell is glued and assembled, the pressure maintaining and shaping are needed, but the current common pressure maintaining scheme is as follows: the assembled earphone 102 is put into the positioning die 103 as shown in fig. 3, and the upper die 101 is pressed down directly, so that the pressure is not controlled well, the pressing is not in place easily, or the earphone shell is crushed.

To sum up, the utility model discloses a design an adjustable dynamics earphone pressurize structure and solve the problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable dynamics earphone pressurize structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a force-adjustable pressure maintaining structure for earphones comprises an upper mould pressing head and a positioning mould, wherein an earphone placing cavity is arranged on the working surface of the positioning mould and is positioned under the working end of the upper mould pressing head, earphones are placed in the earphone placing cavity, the bottom of the positioning mould is fixedly connected with a chassis, the chassis is connected to a base in a sliding mode through a uniform pull rod guide assembly, and the inner side, positioned on the base and located on the pull rod guide assembly, of the base is connected to the inside of a mounting groove formed in the bottom of the chassis through a force adjusting assembly;

the dynamics adjusting part includes the last reference column of fixed mounting at mounting groove cavity top, the outer wall of going up the reference column and be located the fixed cover of the inside of mounting groove and have connect the spring, the other end of spring cup joints the outer wall at reference column down, and wherein lower reference column is installed in the inside of the T type through-hole that the base was seted up, the bottom fixed connection of reference column down adjusts the double-screw bolt, wherein adjusts the inside of double-screw bolt threaded connection at T type through-hole.

As the utility model discloses preferred scheme, the spring is clearance fit with the inside wall cooperation mode of mounting groove, T type through-hole respectively, the spring is clearance fit with the outside cooperation mode of lower reference column, the regulation double-screw bolt is interior hexagonal double-screw bolt.

As the utility model discloses preferred scheme, pull rod guide assembly includes the axle sleeve of embedded chassis, the inside assembly of axle sleeve has the pull rod, the one end of pull rod runs through to the below threaded connection set screw on chassis.

As the utility model discloses preferred scheme, set screw installs inside the interior counter bore of seting up on the base, the other end of pull rod runs through the top on chassis and is connected with the locating plate perpendicularly to constitute T type structure, wherein pull rod sliding connection is in the inside of axle sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the inside dynamics regulating assembly that is provided with of earphone pressurize structure, thereby according to the demand of earphone shell pressurize pressure, utilize the inside spiral of regulation double-screw bolt in the dynamics regulating assembly at T type through-hole, thereby extrude or stretch the spring, thereby change the length of spring, change the deformation volume of spring promptly, change the coefficient of elasticity of spring, thereby the cushion effect of pressurized between chassis and the base has been changed, reach earphone shell pressurize pressure adjustable effect, effectual not good control of present earphone pressurize pressure size of having solved, easy pressfitting is not in place, or crush the problem of earphone shell.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic diagram of a pressure maintaining structure of a conventional earphone.

In the figure: 1. an upper die pressing head; 2. positioning the mold; 3. an earphone; 4. a chassis; 5. a pull rod guide assembly; 6. a base; 7. a force adjusting component; 8. mounting grooves; 9. a T-shaped through hole; 501. A shaft sleeve; 502. a pull rod; 503. a set screw; 504. positioning a plate; 701. an upper positioning column; 702. a spring; 703. a lower positioning column; 704. and adjusting the stud.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

To facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, please refer to fig. 1-3, the present invention provides a technical solution:

a force-adjustable pressure maintaining structure for earphones comprises an upper mould pressing head 1 and a positioning mould 2, wherein an earphone placing cavity is arranged on the working surface of the positioning mould 2 and is positioned right below the working end of the upper mould pressing head 1, earphones 3 are placed in the earphone placing cavity, the bottom of the positioning mould 2 is fixedly connected with a chassis 4, the chassis 4 is connected to a base 6 in a sliding mode through a uniform pull rod guide component 5, and the inner side, positioned on the base 6 and located on the pull rod guide component 5, of the base 4 is connected to the inside of a mounting groove 8 formed in the bottom of the chassis 4 through a force adjusting component 7;

in this embodiment, as shown in fig. 1, the force adjusting assembly 7 includes an upper positioning column 701 fixedly installed on the top of the cavity of the installation slot 8, a spring 702 is fixedly sleeved on the outer wall of the upper positioning column 701 and located inside the installation slot 8, and the other end of the spring 702 is sleeved on the outer wall of the lower positioning column 703, wherein the lower positioning column 703 is installed inside a T-shaped through hole 9 formed in the base 6, and the bottom of the lower positioning column 703 is fixedly connected with an adjusting stud 704, wherein the adjusting stud 704 is screwed inside the T-shaped through hole 9, the spring 702 is in clearance fit with the installation slot 8 and the inner side wall of the T-shaped through hole 9, the spring 702 is in clearance fit with the inner side wall of the installation slot 8 and the inner side wall of the T-shaped through hole 9, the adjusting stud 704 is an inner hexagonal stud, and the adjusting stud 704 is screwed inside the T-shaped through hole 9, so as to extrude or stretch the spring 702, thereby changing the length of the spring 702, i.e. changing the deformation of the spring 702, so as to change the elastic coefficient of the spring 702, thereby changing the buffer force of the compression between the chassis 4 and the base 6, and achieving the pressure maintaining effect, wherein the pressure maintaining effect is provided when the earphone housing; adjustment stud 704 is used to adjust the spring pressure.

In this embodiment, pull rod guide assembly 5 is including the axle sleeve 501 of embedded chassis 4, the inside of axle sleeve 501 is equipped with pull rod 502, the one end of pull rod 502 runs through to the below threaded connection set screw 503 of chassis 4, set screw 503 installs inside the interior counter bore of seting up on base 6, the other end of pull rod 502 runs through to the top vertical connection of chassis 4 has locating plate 504, thereby constitute T type structure, wherein pull rod 502 sliding connection is in the inside of axle sleeve 501, thereby realize that pull rod 502 controls the use of location mould 2 stroke, location mould 2 is for fixing a position the earphone position and uses, earphone 3 is the earphone of equipment after gluing, it uses for the pressurize earphone to go up pressure head 1.

The utility model discloses work flow: as shown in fig. 1, when the force-adjustable pressure maintaining structure of the earphone is used, according to the requirement of pressure maintaining pressure of the earphone housing, the spring 702 is in clearance fit with the inner side wall of the mounting groove 8 and the inner side wall of the T-shaped through hole 9, and the external fit between the spring 702 and the lower positioning column 703 is in clearance fit, the stud 704 is spirally adjusted inside the T-shaped through hole 9, so as to extrude or stretch the spring 702, so as to change the length of the spring 702, that is, change the deformation of the spring 702, so as to change the elastic coefficient of the spring 702, so as to change the buffering force between the chassis 4 and the base 6, so as to achieve the effect of pressure maintaining pressure adjusting of the earphone housing, at this time, the positioning screw 503 is installed inside the inner counter bore formed in the base 6, and the other end of the pull rod 502 penetrates above the chassis 4 to be vertically connected with the positioning plate 504, so as to form a T-shaped structure, wherein the pull rod 502 is slidably connected inside the shaft sleeve 501, the assembled earphone 3 is placed into the positioning die 2, the upper die head 1 is directly pressed, and the spring 702 of the positioning die 2 is compressed after being stressed, so as to enable the earphone 3 to be compressed according to the set pressure maintaining pressure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable dynamics earphone pressurize structure, includes mould pressure head (1) and orientation mould (2), its characterized in that: an earphone placing cavity is arranged on the working surface of the positioning die (2) and is positioned under the working end of the upper die pressing head (1), an earphone (3) is placed in the earphone placing cavity, the bottom of the positioning die (2) is fixedly connected with a chassis (4), the chassis (4) is connected to a base (6) in a sliding mode through a uniform pull rod guide assembly (5), the base (6) and the inner side of the pull rod guide assembly (5) are connected to the inner portion of a mounting groove (8) formed in the bottom of the chassis (4) through a force adjusting assembly (7);

the force adjusting assembly (7) comprises an upper positioning column (701) fixedly mounted at the top of a cavity of the mounting groove (8), a spring (702) is fixedly sleeved on the outer wall of the upper positioning column (701) and located inside the mounting groove (8), the other end of the spring (702) is sleeved on the outer wall of a lower positioning column (703), the lower positioning column (703) is mounted inside a T-shaped through hole (9) formed in the base (6), the bottom of the lower positioning column (703) is fixedly connected with an adjusting stud (704), and the adjusting stud (704) is in threaded connection with the inside of the T-shaped through hole (9).

2. A force adjustable earphone pressure maintaining structure as claimed in claim 1, wherein: the spring (702) is in clearance fit with the inner side walls of the mounting groove (8) and the T-shaped through hole (9) respectively, the spring (702) is in clearance fit with the outer portion of the lower positioning column (703), and the adjusting stud (704) is an inner hexagonal stud.

3. A force adjustable pressure maintaining structure for earphones according to claim 1, wherein: the pull rod guide assembly (5) comprises a shaft sleeve (501) embedded in the chassis (4), a pull rod (502) is assembled inside the shaft sleeve (501), and one end of the pull rod (502) penetrates through a positioning screw (503) in threaded connection below the chassis (4).

4. A force adjustable pressure maintaining structure for earphones according to claim 3, wherein: the positioning screw (503) is arranged in an inner counter bore formed in the base (6), the other end of the pull rod (502) penetrates through the upper portion of the chassis (4) and is vertically connected with a positioning plate (504) to form a T-shaped structure, and the pull rod (502) is connected in the shaft sleeve (501) in a sliding mode.