CN218266666U - Earphone pressurize tool - Google Patents

Abstract

The utility model provides an earphone pressurize tool. Earphone pressurize tool includes open cover shell in both ends, mould, tail cock seat and wedge, the mould includes mould and lower mould, go up the bottom of mould with the die cavity of looks adaptation is all seted up at the top of lower mould, go up the mould and form the die cavity of placing the earphone backshell behind the lower mould compound die. The utility model provides an earphone pressurize tool, through the cover shell cover tight mould outside of last mould and lower mould compound die formation, realize the assembly pressurize between the shell before earphone backshell and the earphone, wedge extrusion tail cock seat through the rear end supports the tail plug tight to the rear end of earphone backshell, realize the assembly pressurize of tail plug, only rely on the pressure that mechanical structure produced to realize the pressurize, pressure stability lasts, can not lead to the concatenation to closely appear the wastrel because of the pressure instability, the pressurize is effectual, and can realize the assembly pressurize of the shell before the earphone and the assembly pressurize of tail plug simultaneously, one-shot assembly shaping, and the assembly efficiency is improved.

Description

Earphone pressurize tool

Technical Field

The utility model relates to an earphone technical field especially relates to an earphone pressurize tool.

Background

As shown in fig. 1, the existing earphone shell structure comprises an earphone rear shell 1, an earphone front shell 2 and a tail plug 3, the earphone shell is formed after glue dispensing and assembling are completed, then the earphone shell is put into a pneumatic pressure maintaining jig similar to the earphone shell structure after embedding pressing, the pneumatic pressure maintaining jig is provided with an upper die and a lower die, the upper die and the lower die are pressed through the cylinder driving pressing, the upper die and the lower die are pressed tightly by an upper pressing die and a lower pressing die, and an operator can take out the earphone shell after glue is dried completely to complete pressure maintaining operation.

This kind of operation has some inadequacies, need use power and compressed gas to provide pressure, under the unstable condition of power and compressed gas, pressure production changes can lead to the pressfitting effect not good, lead to the junction laminating between 1 and the earphone front shell 2 of earphone backshell inseparable, the wastrel appears, current partial pressurize tool only has the pressurize function between 1 and the earphone front shell 2 of earphone backshell simultaneously, lack the tail plug pressurize function, shell and tail plug's pressurize operation around unable synchronous the completion, there is some inconveniences in the course of working.

Therefore, it is necessary to provide a pressure maintaining jig for earphones to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an earphone pressurize tool has solved current pneumatic pressurize tool and has need use power and compressed gas to provide pressure, and under the unstable condition of power and compressed gas, pressure production changes can lead to the pressfitting effect not good, appears the wastrel, and current partial pressurize tool lacks the tail plug pressurize function simultaneously, can't accomplish the problem of the pressurize operation of front and back shell and tail plug in step.

In order to solve the technical problem, the pressure maintaining jig for the earphones comprises a casing, a mold, a tail plug seat and a wedge block, wherein the casing is provided with two open ends;

the front end of the top of the lower die is provided with a placing cavity communicated with the cavity, the front earphone shell is assembled on the rear earphone shell and then placed in the placing cavity, the cross-sectional area of a die formed by combining the upper die and the lower die is gradually increased from the front end to the rear end, and the shell is sleeved by the front end of the die and gradually moves towards the rear end to clamp the upper die and the lower die so as to tightly press the rear earphone shell and the front earphone shell;

the utility model discloses an earphone, including lower mould top, die cavity, tail cock seat, tail stopper seat, extrusion chamber, the right-hand member at lower mould top is seted up the activity chamber and the extrusion chamber that link up each other with sunken ground downwards, the front end in activity chamber with the die cavity link up each other, the tail cock seat is in along the fore-and-aft direction the intracavity that moves about, the standing groove of placing the tail stopper is seted up to the preceding terminal surface of tail cock seat, the wedge is followed during the downward motion of extrusion chamber extrude forward the tail cock seat will the tail stopper support tightly extremely the tail end of earphone backshell.

Preferably, the front end of the bottom of the upper die protrudes downwards to form a step shape, and the shape of the top of the lower die is matched with that of the bottom of the upper die.

Preferably, positioning holes are formed in four corners of the top of the lower die, a plurality of positioning columns are fixedly mounted at the bottom of the upper die, and the positioning columns are inserted into the positioning holes in a one-to-one correspondence mode when the upper die and the lower die are closed.

Preferably, the front end at last mould top link up seted up with the corresponding port in activity chamber and extrusion chamber, the tail cock seat with the wedge passes the port imbeds to in activity chamber and the extrusion chamber.

Preferably, a plurality of weight reduction cavities are formed in the top of the upper die and the bottom of the lower die.

Preferably, the surface of cover shell link up and has seted up a through-hole, the top of cover shell inner wall and the equal fixedly connected with in bottom a plurality of pressurize muscle that distribute along its length direction.

Compared with the prior art, the utility model provides an earphone pressurize tool has following beneficial effect:

the utility model provides an earphone pressurize tool, through the cover shell cover tightly mould outside of last mould and lower mould compound die formation, it compresses tightly each other to go up mould and lower mould, thereby compress tightly the inside earphone backshell of mould and the preceding shell of earphone, realize the assembly pressurize between earphone backshell and the preceding shell of earphone, wedge extrusion tail plug seat through the rear end supports the rear end of tight to the earphone backshell with the tail plug, realize the assembly pressurize of tail plug, no longer need equipment such as pneumatic pressure subassembly to continue to apply pressure after shell cover and the wedge chucking target in place, only rely on the pressure that mechanical structure produced to realize the pressurize, pressure stability lasts, high durability and convenient use, not influenced by supporting subassembly stability such as power supply and pneumatic pressure subassembly, can not lead to the concatenation to closely appear the wastrel because of the pressure instability, the pressurize is effectual, and can realize the assembly pressurize of the preceding shell of earphone simultaneously and the assembly pressurize of tail plug, one-shot assembly shaping, assembly efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an earphone housing;

fig. 2 is an exploded view of the earphone pressure maintaining jig provided by the present invention;

fig. 3 is a schematic view illustrating the structural assembly of the earphone pressure maintaining jig shown in fig. 2;

fig. 4 is a schematic structural view of the upper die and the lower die shown in fig. 2.

Reference numbers in the figures: 1. earphone backshell, 2, earphone front shell, 3, tail stopper, 4, cover shell, 5, go up the mould, 51, opening, 52, reference column, 6, lower mould, 61, place the chamber, 62, activity chamber, 63, extrusion chamber, 64, locating hole, 7, tail stopper seat, 71, standing groove, 8, wedge.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of an earphone shell; fig. 2 is an exploded schematic view of the earphone pressure maintaining jig provided by the present invention; FIG. 3 is a schematic view illustrating the structural assembly of the earphone pressure maintaining jig shown in FIG. 2; fig. 4 is a schematic structural view of the upper die and the lower die shown in fig. 2. Earphone pressurize tool includes open cover shell 4 in both ends, mould, tail stopper seat 7 and wedge 8, and the mould includes mould 5 and lower mould 6, and the die cavity of looks adaptation is all seted up at the bottom of going up mould 5 and the top of lower mould 6, goes up the die cavity that forms after mould 5 and the 6 compound dies of lower mould and place earphone backshell 1.

The earphone rear shell 1 comprises a cylindrical part and an approximately hemispherical horn bin part at one end, and a mold cavity formed after the upper mold 5 and the lower mold 6 are assembled is matched with the earphone rear shell 1 in shape.

The cavity 61 of placing that is linked together with the die cavity is seted up to the front end at 6 tops of lower mould, and place in placing the cavity 61 after the earphone front shell assembles on earphone backshell 2, and the cross sectional area of the mould that goes up mould 5 and 6 compound dies of lower mould and form is crescent by front end to rear end, and cover shell 4 is gone into by the mould front end cover and is moved to the rear end gradually and press from both sides tight earphone backshell 1 and earphone front shell 2 tightly.

The placing cavity 61 is arranged at the position corresponding to the horn bin part at the top of the lower die 6 and used for placing the earphone rear shell 2, and the earphone rear shell 2 is the horn cover assembled on the horn bin.

The front end of the mould formed by closing the upper mould 5 and the lower mould 6 is slightly smaller, the rear end is slightly larger, the sleeve 4 is sleeved on the mould and then gradually moves towards the rear end, so that the upper mould 5 and the lower mould 6 can be mutually pressed, and the sleeve 4 moves towards the rear end on the mould, and the extrusion is tighter until the sleeve moves to the terminal position and cannot continue to move.

1 point of shell is glued and the assembly forms whole back before 2 and the earphone, put into the die cavity of 6 tops of lower mould, shell 1 is located places the chamber 61 before the earphone, then will go up mould 5 and lower mould inlay card amalgamation and carry out the compound die, earphone casing part is fixed to in the mould promptly this moment, then embolia shell 4 from the thin front end of mould, strike or the machine promotes through manual, move to the chucking along the mould to the rear end, thereby will go up mould 5 and 6 chucking below, no longer need pneumatic subassembly to exert pressure after the chucking, only rely on mechanical pressure to realize the pressurize, practicality is simple and convenient, do not receive the influence of supporting subassembly stability such as power and compressed gas, can not lead to the inseparable wastrel that appears of concatenation because of pressure instability, the pressurize is effectual.

At this moment, the sleeve 4 is in interference fit with the mold, the sleeve 4 cannot automatically slip or fall off, and the sleeve can be taken down by manual knocking or reverse pushing of equipment.

The right-hand member undercut at lower mould 6 top has seted up the activity chamber 62 and the extrusion chamber 63 that link up each other, and the front end and the die cavity of activity chamber 62 link up each other, and tail stopper seat 7 removes in activity chamber 62 along the fore-and-aft direction, and the standing groove 71 of placing tail stopper 3 is seted up to the preceding terminal surface of tail stopper seat 7, and wedge 8 extrudes tail stopper seat 7 forward when extruding chamber 63 downstream and supports the tail end of tight earphone backshell with the tail stopper.

The bottom end of the wedge block 8 is smaller, the upper end of the wedge block is larger, and the occupied space is gradually increased in the process of moving downwards along the extrusion cavity 63.

After the assembly between the shell 4 and the mold is completed, the tail plug 3 is placed in the tail plug groove 71, the glue is dispensed on the end face of the tail plug 3, the glue can be dispensed first and then placed in the tail plug groove 71, then the tail plug seat 7 is placed in the movable cavity 62 and is installed in place, the tail plug 3 is aligned with the rear end of the earphone rear shell 1, then the wedge block 8 is inserted into the extrusion cavity 63 downwards from the rear side of the tail plug groove 71, and the wedge block is downwards deeply inserted through manual knocking or machine extrusion and the like, and in the downwards extending process, the tail plug seat 7 can be gradually and forwards extruded, so that the tail plug 3 is tightly abutted to the rear end of the earphone rear shell 1, and the assembly pressure maintaining is realized.

At this moment, the wedge block 8, the tail plug seat 7 and the rear side wall of the extrusion cavity 63 form interference fit, cannot be automatically released, can keep stable pressure, is good in pressure maintaining effect, does not need a pneumatic assembly to apply pressure after clamping, and can realize pressure maintaining only by means of mechanical pressure.

The front portion of 62 inner walls both sides in activity chamber can transversely set up the location strip, the constant head tank of looks adaptation is seted up to the both sides of tail plug seat 7, during the installation, tail plug seat 7 packs into downwards from the rear end of 62 inner chambers in activity chamber, reach appointed high back, the constant head tank is in same level with the location strip, then with tail plug seat 7 certain distance that slides forward, make in the location strip embedding constant head tank, make tail plug seat 7 can only follow the length direction motion of location strip by the extrusion of wedge 8, the positional deviation of avoiding tail plug seat 7 to produce vertical direction in the installation of wedge 8 leads to tail plug 3 positional deviation to influence assembly effect.

Tightly cover outside the mould through cover shell 4, will go up mould 5 and lower mould 6 and compress tightly each other, thereby compress tightly earphone backshell 1 and earphone front shell 2, realize the assembly pressurize between earphone backshell 1 and the earphone front shell 2, wedge 8 extrusion tail plug seat 7 through the rear end supports the rear end of tail plug 3 to earphone backshell 1 tightly, realize the assembly pressurize of tail plug 3, no longer need equipment such as pneumatic pressure subassembly to last the pressure after cover shell 4 and the 8 chucking of wedge put in place, only rely on the pressure that mechanical structure produced to realize the pressurize, pressure stability lasts, high durability and convenient use, do not receive the influence of supporting subassembly stability such as power supply and pneumatic pressure subassembly, can not lead to the inseparable wastrel appearance of concatenation because of pressure instability, the pressurize is effectual, and can realize the assembly pressurize of earphone front shell 2 and the assembly pressurize of tail plug 3 simultaneously, one-shot assembly shaping, and the assembly efficiency is improved.

The earphone shell can be a shell of a wireless earphone, elements such as a circuit board, a loudspeaker and the like are pre-installed in the earphone rear shell, and a wire is not required to be installed after assembly.

The front end of the bottom of the upper die 5 protrudes downwards to form a step shape, and the top of the lower die 6 is matched with the bottom of the upper die 5 in shape.

The loudspeaker storehouse of earphone backshell 2 and the casing 1 is located the ladder portion position before the earphone for the standing groove 61 position can not be too deep, is convenient for place the accessory.

Set up to the stairstepping simultaneously, after the mutual inlay card compound die, when the installation cover shell 4, go up mould 5 and lower mould 6 inlay card mutually, avoid the dislocation.

Locating holes 64 are formed in four corners of the top of the lower die 6, a plurality of locating columns 52 are fixedly mounted at the bottom of the upper die 5, and the locating columns 52 are inserted into the locating holes 64 in a one-to-one correspondence mode when the upper die 5 and the lower die 6 are closed.

The positioning posts 52 are inserted into the positioning holes 64, and position the closing of the upper and lower molds 5 and 6, and prevent the upper and lower molds 5 and 6 from being displaced from each other when the housing case 4 is mounted.

The front end of the top of the upper die 5 is provided with a through hole 51 corresponding to the movable cavity 62 and the extrusion cavity 63 in a penetrating manner, and the tail plug seat 7 and the wedge block 8 penetrate through the through hole 51 to be embedded into the movable cavity 62 and the extrusion cavity 63.

The through opening 51 may be a square opening with a size slightly larger than the overall size of the movable chamber 62 and the pressing chamber 63, giving the tail plug seat 7 and the wedge block 8 sufficient space for movement.

A plurality of subtract heavy chamber have all been seted up to the top of going up mould 5 and the bottom of lower mould 6. The weight reduction cavity is arranged on the surface, so that the weight of the mold can be reduced, the material is saved, the thickness of a part of area can be reduced, and the rapid cooling and solidification of the glue solution are facilitated.

The surface of the shell 4 is provided with a through hole which is convenient for air circulation and rapid cooling and solidification of glue solution.

The top and the bottom of the inner wall of the housing 4 are fixedly connected with a plurality of pressure maintaining ribs distributed along the length direction of the housing.

The pressurize muscle at top compresses tightly at the top of last mould 5, and the pressurize muscle of bottom supports tightly in the bottom of lower mould 6, when can compress tightly the mould, forms the interval between the inner wall of cover shell 4 and the mould surface, and the air of also being convenient for flows, and the glue solution of being convenient for cools off fast and solidifies.

The utility model provides an earphone pressurize tool's theory of operation as follows:

after the rear earphone shell 2 and the front earphone shell 1 are glued and assembled into a whole, the whole is placed into a cavity above a lower die 6, the front earphone shell 1 is located in a placing cavity 61, an upper die 5 and the lower die are clamped and assembled to be matched, the earphone shell part is fixed into a die at the moment, then a shell 4 is sleeved into the thin front end of the die and moves to be clamped along the back end of the die through manual knocking or pushing of a machine, so that the upper die 5 and the lower die 6 are clamped, after the shell 4 and the die are assembled, a tail plug 3 is placed into a tail plug groove 71, glue is glued on the end face of the tail plug 3, the glue can be firstly glued and then placed into the tail plug groove 71, then a tail plug seat 7 is placed into a movable cavity 62 and installed in place, the tail plug 3 is aligned with the back end of the rear earphone shell 1, then a wedge block 8 is inserted into an extrusion cavity 63 from the back side of the tail plug groove 71, and is downwards pushed into the extrusion cavity in place through manual knocking or extrusion of a machine, the tail plug seat is gradually pushed into the tail plug seat, and the tail plug seat is gradually pushed to be tightly against the rear earphone shell 1, so that the rear earphone shell 1 is assembled.

Compared with the prior art, the utility model provides an earphone pressurize tool has following beneficial effect:

the shell 4 is tightly sleeved outside the mold, the upper mold 5 and the lower mold 6 are tightly pressed with each other, so that the earphone rear shell 1 and the earphone front shell 2 are tightly pressed, the assembly pressure maintaining between the earphone rear shell 1 and the earphone front shell 2 is realized, the tail plug seat 7 is extruded by the wedge block 8 at the rear end to tightly support the tail plug 3 to the rear end of the earphone rear shell 1, the assembly pressure maintaining of the tail plug 3 is realized, the shell 4 and the wedge block 8 are tightly clamped in place, and then the pressure is continuously applied by equipment such as a pneumatic pressure assembly, the pressure maintaining is realized only by the pressure generated by a mechanical structure, the pressure is stable and continuous, the use is simple and convenient, the stability of matched assemblies such as a power supply and the pneumatic pressure assembly is not influenced, defective products cannot be generated due to unstable pressure, the phenomenon of untight splicing cannot occur, the pressure maintaining effect is good, the assembly pressure maintaining of the earphone front shell 2 and the assembly pressure maintaining of the tail plug 3 can be simultaneously realized, one-step assembly forming is realized, and the assembly efficiency is improved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an earphone pressurize tool, includes open cover shell in both ends (4), mould, tail plug seat (7) and wedge (8), its characterized in that: the die comprises an upper die (5) and a lower die (6), wherein matched cavities are formed in the bottom of the upper die (5) and the top of the lower die (6), and a die cavity for placing the rear earphone shell (1) is formed after the upper die (5) and the lower die (6) are closed;

the front end of the top of the lower die (6) is provided with a placing cavity (61) communicated with the die cavity, the front earphone shell is assembled on the rear earphone shell (1) and then placed in the placing cavity (61), the cross-sectional area of a die formed by closing the upper die (5) and the lower die (6) is gradually increased from the front end to the rear end, the shell (4) is sleeved from the front end of the die and gradually moves towards the rear end to clamp the upper die (5) and the lower die (6) so as to tightly press the rear earphone shell (1) and the front earphone shell (2);

the utility model discloses an earphone, including lower mould (6), lower mould (6) top, the right-hand member undercut ground seted up activity chamber (62) and the extrusion chamber (63) that link up each other, the front end in activity chamber (62) with the die cavity link up each other, tail plug seat (7) are in along the fore-and-aft direction remove in activity chamber (62), standing groove (71) of placing tail plug (3) are seted up to the preceding terminal surface of tail plug seat (7), wedge (8) are followed extrude forward during extrusion chamber (63) downstream tail plug seat (7) will the tail plug support tightly extremely the tail end of earphone backshell.

2. The earphone pressure maintaining jig according to claim 1, wherein the front end of the bottom of the upper die (5) protrudes downwards to form a step shape, and the top of the lower die (6) is matched with the bottom of the upper die (5).

3. The earphone pressure maintaining jig according to claim 1, wherein positioning holes (64) are formed in four corners of the top of the lower die (6), a plurality of positioning columns (52) are fixedly mounted at the bottom of the upper die (5), and the positioning columns (52) are inserted into the positioning holes (64) in a one-to-one correspondence manner when the upper die (5) and the lower die (6) are closed.

4. The earphone pressure maintaining jig according to claim 1, wherein a through hole (51) corresponding to the movable cavity (62) and the extrusion cavity (63) is formed through the front end of the top of the upper die (5), and the tail plug seat (7) and the wedge block (8) are inserted into the movable cavity (62) and the extrusion cavity (63) through the through hole (51).

5. The earphone pressure maintaining jig according to claim 1, wherein a plurality of weight reducing cavities are formed in the top of the upper die (5) and the bottom of the lower die (6).

6. The earphone pressure maintaining jig according to claim 1, wherein a through hole is formed through the surface of the casing (4), and a plurality of pressure maintaining ribs distributed along the length direction of the casing (4) are fixedly connected to the top and the bottom of the inner wall of the casing.

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