TWS Bluetooth earphone pressure maintaining jig

Abstract

The utility model provides a TWS Bluetooth earphone pressure maintaining jig which comprises a first shell and a second shell, one end of the first shell is detachably connected with the second shell, the first shell is connected with a plurality of sliding columns, the sliding columns are sleeved with springs, one end of each spring is connected with the first shell, and the other end of each spring is connected with a balance pressing plate. The face, back on to the spring, of the balance pressing plate is connected with a first inner shell, a first containing groove, a plurality of first containing cavities and a plurality of positioning holes are formed in one end of the first inner shell, a first profiling block is arranged in the first containing groove, and first magnets are arranged in the first containing cavities. A second containing groove, a plurality of second containing cavities and a plurality of positioning columns are formed in one end of the second inner shell, second profiling blocks are arranged in the second containing groove, second magnets are arranged in the second containing cavities, and the positioning columns are matched with the positioning holes. By the adoption of the structure, the stability and accuracy of the pressure maintaining process can be improved, and deviation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone technical field, especially TWS bluetooth earphone pressure maintaining fixture. BACKGROUND

[0002] TWS (True Wireless Stereo) earphone has the characteristics of miniaturization and wireless, and adopts more delicate assembly technology in the production process.

[0003] The TWS earphone comprises a split type shell, is assembled and glued in the production process, and is then placed in a pressure maintaining fixture matched with the earphone shell for compression.

[0004] However, under the condition that the cylinder compression gas is unstable, the pressure of the pressure maintaining fixture changes, which easily brings negative influence on the compression effect. The utility model discloses a TWS bluetooth earphone pressure maintaining fixture, which can solve the problems of insufficient pressure maintaining stability and positioning accuracy of the existing pressure maintaining fixture, and improve the assembly precision of the TWS bluetooth earphone.

[0005] In view of the defects of the prior art, the utility model aims at providing a TWS bluetooth earphone pressure maintaining fixture, which aims at solving the problems of insufficient pressure maintaining stability and positioning accuracy of the existing pressure maintaining fixture, and improving the assembly precision of the TWS bluetooth earphone.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical schemes:

[0007] The utility model provides a TWS bluetooth earphone pressure maintaining jig, which comprises a first shell and a second shell, one end of the first shell is detachably connected to the second shell, one side of the first shell facing the second shell is connected with a plurality of slide columns, springs are sleeved on the slide columns, one end of the spring is connected to the first shell, the other end of the spring is connected to a balance pressing plate, a plurality of connecting holes are formed in one side of the balance pressing plate facing the first shell, the slide columns are slidably connected to the connecting holes away from the first shell, one side of the balance pressing plate away from the spring is connected with a first inner shell, a first accommodating groove, a plurality of first accommodating cavities and a plurality of positioning holes are formed in one end of the first inner shell away from the balance pressing plate, a first profiling block is arranged in the first accommodating groove, a first magnet is arranged in the first accommodating cavity, one end of the second shell facing the first shell is connected with a second inner shell, a second accommodating groove, a plurality of second accommodating cavities and a plurality of positioning columns are formed in one end of the second inner shell facing the first shell, a second profiling block is arranged in the second accommodating groove, a second magnet is arranged in the second accommodating cavity, the second magnet is in position correspondence with the first magnet, the positioning columns are matched with the positioning holes, the first profiling block is in position correspondence with the second profiling block, a plurality of first earphone shell grooves are formed in one side of the first profiling block facing the second profiling block, and a plurality of second earphone shell grooves are formed in one side of the second profiling block facing the first profiling block.

[0008] Compared with the prior art, the utility model has the beneficial effects that.

[0009] Further, one side of the first inner shell facing the first profiling block is connected with a plurality of first positioning pins, one side of the first profiling block facing the first inner shell is provided with a plurality of first pin holes, the first positioning pins are matched with the first pin holes, one side of the second inner shell facing the second profiling block is connected with a plurality of second positioning pins, one side of the second profiling block facing the second inner shell is provided with a plurality of second pin holes, and the second positioning pins are matched with the second pin holes.

[0010] Still further, a plurality of mounting holes are formed in the first inner shell, the mounting holes penetrate through the first inner shell, mounting columns are detachably connected in the mounting holes, and one end of the mounting columns away from the mounting holes is connected to the first profiling block.

[0011] Still further, the first shell comprises a top plate and two side plates oppositely arranged, one side of the top plate facing the second shell is connected with the side plates, the balance pressing plate is located between the two side plates, buckles are connected to one side of the side plates away from the balance pressing plate, buckling fixing blocks are connected to the opposite two sides of the second shell, buckle grooves are formed in the buckling fixing blocks, and the buckle grooves are matched with the buckles.

[0012] Further, a plurality of the first accommodating cavities are respectively located at four corners of the first inner shell.

[0013] Further, a plurality of the connecting holes are respectively located at four corners of the balance pressing plate.

[0014] Further, one end of the side plate towards the second shell is connected with a plurality of matching columns, and one side of the second shell towards the first shell is provided with a plurality of matching grooves which are adapted to the matching columns.

[0015] Further, one end of the second shell towards the first shell is provided with an inner shell accommodating groove, and the second inner shell is connected in the inner shell accommodating groove.

[0016] Further, a first observation groove is provided on opposite two side walls of the inner shell accommodating groove to expose part of the second inner shell.

[0017] Further, a second observation groove is provided on opposite two side walls of the first accommodating groove to expose part of the first profiling block, a third observation groove is provided on opposite two side walls of the second accommodating groove to expose part of the second profiling block, and the second observation groove and the third observation groove are positionally corresponding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0019] Figure 2 It is a disassembled structure schematic view of the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0020] Figure 3 It is a structure schematic view of the first inner shell in the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0021] Figure 4 It is a structure schematic view of the first inner shell and the first profiling block connection in the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0022] Figure 5 It is a structure schematic view of the first profiling block in the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0023] Figure 6 It is a part structure schematic view of the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0024] Figure 7 It is a side view structure schematic view of the TWS Bluetooth earphone pressure maintaining jig in the embodiment of the utility model;

[0025] MAIN ELEMENT SYMBOL EXPLANATION:

[0026]

[0027]

[0028] The following detailed description will further explain the present application with reference to the above mentioned drawings. DETAILED DESCRIPTION

[0029] For the purpose of facilitating the understanding of the present application, the present application will be described more fully with reference to the accompanying drawings. In the drawings, several embodiments of the present application are shown. However, the present application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be apparent, however, to one of ordinary skill in the art that the present application can be embodied in other forms without departing from the spirit or essential attributes of the present application.

[0030] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0031] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0032] Reference will now be made to Figures 1 to 7The utility model embodiment's TWS bluetooth earphone pressure maintaining jig, including first shell 100 and second shell 200, one end of first shell 100 is detachedly connected second shell 200, the one side of first shell 100 towards second shell 200 is connected with several slide columns 120, spring 121 is set on slide column 120, one end of spring 121 is connected with first shell 100, the other end of spring 121 is connected with balanced pressure plate 310, the one side of balanced pressure plate 310 towards first shell 100 is set with several connecting holes 311, several connecting holes 311 are located on the four corners of balanced pressure plate 310 respectively, the one end of slide column 120 away from first shell 100 is slidably connected in connecting hole 311, first shell 100 includes top plate and oppositely arranged two side plates, the one side of top plate towards second shell 200 is connected with side plate, balanced pressure plate 310 is located between two side plates, the side of side plate away from balanced pressure plate 310 is connected with buckle 110, the opposite sides of second shell 200 are connected with buckle fixed block 210, buckle groove 211 is set on buckle fixed block 210, buckle groove 211 is adapted with buckle 110, the one end of side plate towards second shell 200 is connected with several matching columns 130, the one side of second shell 200 towards first shell 100 is set with several matching grooves 201, matching groove 201 is adapted with matching column 130. Preferably, slide column 120 is detachably connected through several slide column holes 101 set on first shell 100, the length of several slide columns 120 is equal, the length of several springs 121 is equal, balanced pressure plate 310 adopts aluminum material, sets four slide columns 120 and four springs 121, four springs 121 respectively force four corners of balanced pressure plate 310, is favorable to balanced pressure, prevents balanced pressure plate 310 from tilting, buckle 110 is tin-plated buckle, buckle fixed block 210 is detachably connected on second shell 200 through bolt, several matching grooves 201 are all distributed on the four corners of second shell 200, it can be understood that spring 121 makes TWS bluetooth earphone pressure maintaining jig not need air cylinder and power drive, can efficiently form stable pressure for pressure maintaining, and slide column 120 limits the direction of spring 121, makes the direction of pressure also always stable, adopts buckle 110 to maintain the state of pressure bonding when first shell 100 and second shell 200 are pressure bonded, and when buckle 110 clamps buckle fixed block 210, the deformation amount of spring 121 is fixed, is favorable to making the pressure of each time pressure maintaining operation consistent, is favorable to guaranteeing the consistency of product production, maintains good quality control.

[0033] The back of the balance pressure plate 310 is connected to the first inner shell 300, the first inner shell 300 is provided with a first accommodating groove, a plurality of positioning holes 301 and a plurality of first accommodating cavities 330 at one end away from the balance pressure plate 310, the first accommodating cavities 330 are respectively located at the four corners of the first inner shell 300, the first accommodating groove is provided with a first profiling block 500, the first accommodating cavities 330 are provided with first magnets 331, the second outer shell 200 is provided with an inner shell accommodating groove at one end facing the first outer shell 100, the second inner shell 400 is connected in the inner shell accommodating groove, the second inner shell 400 is provided with a second accommodating groove, a plurality of positioning columns 410 and a plurality of second accommodating cavities 430 at one end facing the first outer shell 100, the second accommodating groove is provided with a second profiling block 600, the second accommodating cavities 430 are provided with second magnets corresponding to the first magnets 331 in position, the positioning columns 410 are matched with the positioning holes 301, the first profiling block 500 is matched with the second profiling block 600 in position, the first profiling block 500 is provided with a plurality of first earphone shell grooves 501 at one side facing the second profiling block 600, the second profiling block 600 is provided with a plurality of second earphone shell grooves at one side facing the first profiling block 500. Preferably, the positioning holes 301 are pin counterbores, the positioning columns 410 are pins, the end face of the positioning columns 410 away from the second inner shell 400 is arc-shaped, which is beneficial to alignment with the pin counterbores when pressing, the first accommodating cavities 330 and the second accommodating cavities 430 are both circular holes, the first magnets 331 and the second magnets have an attractive force, the first profiling block 500 and the second profiling block 600 are both made of silica gel, the first earphone shell grooves 501 are matched with the shape of the upper earphone shell, the second earphone shell grooves are matched with the lower earphone shell, further, two first earphone shell grooves 501 and two second earphone shell grooves are provided, which can complete the assembly of two earphones at a time, and the efficiency is higher, four first magnets 331 are provided and respectively located at the four corners of the first inner shell 300, four second magnets are provided and respectively located at the four corners of the second inner shell 400, which can balance the attractive force between the first inner shell 300 and the second inner shell 400, and the inclination is not easy to occur.It can be understood that the cooperation of the positioning column 410 and the positioning hole 301, the cooperation of the first magnet 331 and the second magnet are beneficial to the more accurate alignment of the first inner shell 300 and the second inner shell 400, and after the first inner shell 300 and the second inner shell 400 drive the first profiling block 500 and the second profiling block 600 to be pressed, the first inner shell 300 and the second inner shell 400 are limited to each other to prevent horizontal deviation, thereby preventing the first profiling block 500 and the second profiling block 600 from deviating during the pressure maintaining process, and the buckle 110 limits the first profiling block 500 and the second profiling block 600 in the vertical direction, greatly improving the stability and accuracy of the pressure maintaining process, and the pressure maintaining assembly process is efficient.

[0034] A plurality of mounting holes 320 are formed in the first inner shell 300, the mounting holes 320 penetrate the first inner shell 300, and a mounting column 321 is detachably connected in the mounting hole 320. One end of the mounting column 321 away from the mounting hole 320 is connected to the first profiling block 500. One side of the first inner shell 300 facing the first profiling block 500 is connected to a plurality of first positioning pins 510. One side of the first profiling block 500 facing the first inner shell 300 is provided with a plurality of first pin holes. The first positioning pins 510 are adapted to the first pin holes. One side of the second inner shell 400 facing the second profiling block 600 is connected to a plurality of second positioning pins 620. One side of the second profiling block 600 facing the second inner shell 400 is provided with a plurality of second pin holes. The second positioning pins 620 are adapted to the second pin holes. Preferably, the mounting column 321 is a bolt, and a mounting nut 322 is arranged in the mounting hole 320. The first inner shell 300 and the first profiling block 500 are detachably connected by bolts, which is convenient for assembly and maintenance. The first positioning pins 510 are used for positioning to prevent the relative position between the first inner shell 300 and the first profiling block 500 from deviating. The second inner shell 400 is connected to the second profiling block 600 through a mounting member 420, which can be a bolt. It can be understood that the first positioning pins 510 and the second positioning pins 620 are beneficial to improving the stability of the jig during the pressure maintaining process.

[0035] The first observation groove 202 is arranged on the opposite two side walls of the inner shell accommodating groove, and the second observation groove 203 is arranged on the opposite two side walls of the first accommodating groove, and the third observation groove 204 is arranged on the opposite two side walls of the second accommodating groove, and the second observation groove 203 corresponds to the third observation groove 204. It can be understood that the first observation groove 202 facilitates the operator to observe the second inner shell 400, and facilitates to provide an operating space for disassembling the second inner shell 400, and the second observation groove 203 and the third observation groove 204 are beneficial to observing the pressing condition between the first profiling block 500 and the second profiling block 600 during pressing.

[0036] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A pressure-holding fixture for TWS Bluetooth earphones, characterized in that, The system includes a first outer shell and a second outer shell. One end of the first outer shell is detachably connected to the second outer shell. Several sliding pillars are connected to the side of the first outer shell facing the second outer shell. Springs are fitted onto the sliding pillars. One end of each spring is connected to the first outer shell, and the other end is connected to a balance plate. Several connecting holes are formed on the side of the balance plate facing the first outer shell. The ends of the sliding pillars away from the first outer shell are slidably connected within these connecting holes. A first inner shell is connected to the side of the balance plate facing away from the springs. A first receiving groove, several first receiving cavities, and several positioning holes are formed on the side of the first inner shell facing away from the balance plate. A first contouring device is provided within the first receiving groove. The first receiving cavity contains a first magnet. The second outer shell is connected to the second inner shell at one end facing the first outer shell. The second inner shell has a second receiving groove, several second receiving cavities, and several positioning posts at one end facing the first outer shell. The second receiving groove contains a second contour block. The second receiving cavity contains a second magnet. The second magnet corresponds to the position of the first magnet. The positioning posts are adapted to the positioning holes. The first contour block corresponds to the position of the second contour block. The side of the first contour block facing the second contour block has several first earphone shell grooves. The side of the second contour block facing the first contour block has several second earphone shell grooves.

2. The TWS Bluetooth earphone pressure-maintaining fixture according to claim 1, characterized in that, The first inner shell has several first positioning pins connected to the side facing the first contour block, and the first contour block has several first pin holes on the side facing the first inner shell. The first positioning pins are adapted to the first pin holes. The second inner shell has several second positioning pins connected to the side facing the second contour block, and the second contour block has several second pin holes on the side facing the second inner shell. The second positioning pins are adapted to the second pin holes.

3. The TWS Bluetooth earphone pressure-maintaining fixture according to claim 1, characterized in that, A plurality of mounting holes are provided on the first inner shell, the mounting holes penetrating the first inner shell, and mounting posts are detachably connected inside the mounting holes, with one end of the mounting post facing away from the mounting hole connected to the first contour block.

4. The TWS Bluetooth earphone pressure-maintaining fixture according to claim 1, characterized in that, The first outer shell includes a top plate and two oppositely arranged side plates. The side plates are connected to the side of the top plate facing the second outer shell. The balancing pressure plate is located between the two side plates. The side plates are connected to a buckle on the side facing away from the balancing pressure plate. Buckle fixing blocks are connected to the opposite sides of the second outer shell. Buckle fixing blocks have buckle grooves, and the buckle grooves are adapted to the buckles.

5. The TWS Bluetooth earphone pressure-maintaining fixture according to claim 1, characterized in that, Several of the first receiving cavities are located at the four corners of the first inner shell.

6. The TWS Bluetooth earphone pressure-holding fixture according to claim 1, characterized in that, Several of the connecting holes are located at the four corners of the balance plate.

7. The TWS Bluetooth earphone pressure-holding fixture according to claim 4, characterized in that, The side plate is connected to a number of matching posts at one end facing the second outer shell, and the second outer shell is provided with a number of matching slots on the side facing the first outer shell, the matching slots being adapted to the matching posts.

8. The TWS Bluetooth earphone pressure-maintaining fixture according to claim 1, characterized in that, The second outer shell has an inner shell receiving groove at one end facing the first outer shell, and the inner shell is connected to the inner shell in the inner shell receiving groove.

9. The TWS Bluetooth earphone pressure-holding fixture according to claim 8, characterized in that, First observation slots are provided on the opposite side walls of the inner shell receiving groove to expose part of the second inner shell.

10. The TWS Bluetooth earphone pressure-holding fixture according to claim 1, characterized in that, A second observation slot is provided on each of the two opposite side walls of the first receiving slot to expose part of the first contour block. A third observation slot is provided on each of the two opposite side walls of the second receiving slot to expose part of the second contour block. The second observation slot and the third observation slot are positioned correspondingly.

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