Loudspeaker gauge pulling device

Abstract

The utility model provides a loudspeaker gauge pulling device which comprises a U-shaped frame, a through hole is arranged at the bottom of the U-shaped frame, a driving air cylinder is installed on the through hole, a piston rod of the driving air cylinder penetrates through the through hole and is arranged between supporting frames at the two ends, the piston rod is connected with a clamping jaw assembly, and the clamping jaw assembly comprises a connecting block fixedly connected with the piston rod. An assembling hole is formed in the connecting block, the piston rod is installed in the assembling hole, symmetrical assembling grooves are formed in the two sides of the connecting block, clamping jaws which are symmetrical about the axis direction of the connecting block are installed in the assembling grooves, clamping hooks are arranged at the tail portions of the clamping jaws, the U-shaped frame abuts against the surface of the loudspeaker upper shell, and the clamping hooks abut against the two sides of the magnetic gauge to control the piston rod to retract. On one hand, the two hands can be liberated, manual gauge pulling is not needed, on the other hand, the magnetic gauge is pulled out from a fixed direction through the air cylinder, and the problem that cracks possibly occur to mucilage glue among parts such as T iron, main magnetic steel and a washer due to manual pulling can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker gauge device, apply to the oiling equipment field. BACKGROUND

[0002] In the manufacturing process of the loudspeaker, the magnetic gauge is a special tool for ensuring the accurate positioning of the magnet and the Halsier and other components in the magnetic circuit system. The accurate installation of these components is very critical to form the ideal magnetic field distribution and maintain the consistency of the magnetic air gap, which directly affects the sound quality and efficiency of the loudspeaker. The use of the magnetic gauge ensures the assembly accuracy of the loudspeaker magnetic components, helping to manufacture the loudspeaker with excellent performance. In short, the magnetic gauge plays a role in calibration and positioning in the loudspeaker assembly, and is the basis for achieving the best magnetic circuit design and performance.

[0003] Because the magnetic gauge needs a certain grip to make the installation more stable, if the T iron, the main magnetic steel, the Halsier and other components are removed by human, the adhesive between them may be cracked. Therefore, a certain professional and convenient equipment is needed during the gauge removal process, which has certain stability and can facilitate the gauge removal. Therefore, the utility model designs a loudspeaker gauge device. SUMMARY

[0004] The utility model provides a loudspeaker gauge device can effectively solve above -mentioned problem.

[0005] The utility model is realized as follows:

[0006] A loudspeaker gauge device, comprising: a U-shaped frame, a through hole is arranged at the bottom, a drive cylinder is installed on the through hole, the piston rod of the drive cylinder passes through the through hole and is arranged between the two end support frames, the piston rod is connected with a jaw assembly, the jaw assembly comprises a connecting block connected with the piston rod, an assembly hole is arranged on the connecting block, the piston rod is installed in the assembly hole, symmetric assembly grooves are arranged on both sides of the connecting block, jaws symmetric about the axis direction of the connecting block are installed in the assembly grooves, a hook is arranged at the tail of the jaw, the U-shaped frame abuts against the surface of the upper shell of the loudspeaker, the hook abuts against the two sides of the magnetic gauge, the retraction of the piston rod is controlled, and then the magnetic gauge is separated from the upper shell of the loudspeaker.

[0007] As a further improvement, a first air inlet is arranged at one end of the U-shaped frame close to the drive cylinder, a pressure relief valve is arranged on the first air inlet, and a second air inlet is arranged at the other end of the drive cylinder away from the U-shaped frame.

[0008] As a further improvement, the magnetic gauge comprises a plug-in part and a positioning part, and the plug-in part and the positioning part are connected through a connecting part.

[0009] As a further improvement, the plug-in part is provided as a columnar boss, the lower end surface of the columnar boss is provided with an inclination angle a with the side wall of the connecting part, and a is less than 90 degrees, and the lower end surface of the columnar boss is provided with a plurality of grooves arranged at equal intervals in a circumferential direction with the magnetic gauge axis as a reference.

[0010] As a further improvement, the upper end surface of the hook is provided as an arc shape matched with the plug-in part, the hook has a certain inclination angle, and the hook is provided with a convex edge so that the convex edge is arranged in the groove.

[0011] As a further improvement, the end of the piston rod is provided with a limiting plate, a spring is arranged between the limiting plate and the connecting block, a limiting groove is arranged on the side wall of the assembly hole, the limiting groove comprises an annular groove and a plurality of vertical grooves in communication with the annular groove and arranged above the annular groove, the vertical grooves are arranged at equal intervals in a circumferential direction about the assembly hole axis, a butt block corresponding to the limiting groove is mounted on the side wall of the piston rod, in normal use, under the action of the spring, the butt block is mounted in the vertical groove, when the angle needs to be adjusted, the connecting block is compressed downward and can be rotated along the annular groove, after the connecting block is rotated to select a suitable angle, under the action of the spring, the connecting block is arranged in the corresponding vertical groove.

[0012] The U-shaped frame is abutted to the surface of the upper shell of the loudspeaker, the hook is abutted to the two sides of the magnetic gauge, the retraction of the piston rod is controlled, and then the magnetic gauge is separated from the upper shell of the loudspeaker, through the plug gauge device shown in the utility model, on the one hand, hands can be freed, and the plug gauge is more simple without manual plug, and on the other hand, the plug gauge mode of the clamping jaw assembly driven by the air cylinder can be used to pull out the magnetic gauge from a fixed direction, and the problem that the cracks of the adhesive between the T iron, the main magnetic steel and the Halsier component can be effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is the schematic diagram of the explosion structure of the magnetic gauge assembly provided by the utility model embodiment.

[0015] Figure 2 It is the schematic diagram of the cross-sectional structure of the magnetic gauge assembly provided by the utility model embodiment.

[0016] Figure 3It is the magnetic gauge profile structure schematic diagram provided by the embodiment of the utility model.

[0017] Figure 4 It is the magnetic gauge three-dimensional structure schematic diagram provided by the embodiment of the utility model.

[0018] Figure 5 It is the magnetic gauge structure schematic diagram provided by another embodiment of the utility model.

[0019] Figure 6 It is the reference drawing of the pull gauge device use state provided by the embodiment of the utility model.

[0020] Figure 7 It is the pull gauge device overhead structure schematic diagram provided by the embodiment of the utility model.

[0021] Figure 8 It is Figure 7 The profile structure schematic diagram of C-C in it.

[0022] Figure 9 It is Figure 8 The enlarged structure schematic diagram of A in it.

[0023] Figure 10 It is the pull gauge device three-dimensional structure schematic diagram provided by the embodiment of the utility model.

[0024] Figure 11 It is the connecting block profile structure schematic diagram provided by the embodiment of the utility model.

[0025] The attached drawing mark is as follows:

[0026] 10, the upper shell of the loudspeaker, 11, the stand structure, 111, the placing rack, 112, the connecting rack, 113, the accommodating cavity, 114, the placing plate, 12, the Hua Si, 13, the main magnetic steel, 14, the T iron, 141, the bottom plate, 142, the mounting column,

[0027] 20, the magnetic gauge, 21, the plug-in part, 211, the columnar boss, 212, the recess, 22, the connecting part, 23, the positioning part, 231, the conical body, 232, the columnar body, 233, the abutting table, 234, the deformation groove,

[0028] 30, the pull gauge device, 31, the U-shaped frame, 311, the support frame, 32, the driving cylinder, 321, the first air inlet, 322, the pressure relief valve, 323, the second air inlet, 324, the piston rod, 3241, the abutting block, 325, the limiting plate, 326, the spring, 33, the clamping jaw assembly, 331, the connecting block, 3311, the assembly hole, 3312, the limiting groove, 3313, the annular groove, 3314, the vertical groove, 3315, the assembly groove, 332, the clamping jaw, 3321, the hook, 3322, the convex edge, 333, the rotating shaft. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.

[0030] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] Reference Figures 1-2 As shown, a highly adaptable magnetic gauge assembly includes a speaker upper housing 10. A basket structure 11 is provided on one side of the speaker upper housing 10. The basket structure 11 includes a placement frame 111 and support frames 311 disposed on both sides of the placement frame 111. The placement frame 111 is recessed to form an accommodating cavity 113. The placement frame 111 includes a placement plate 114. A through slot is provided in the middle of the placement plate 114. A washer 12 is provided at the bottom of the placement plate 114. A main magnet 13 abuts against the bottom of the washer 12. A mounting hole is provided on the washer 12 and the main magnet 13. A T-iron 14 is provided at the bottom of the main magnet 13. The main magnet 13 is made of hard magnetic materials such as ferrite or neodymium iron boron. The T-iron 14 includes a base plate 141 and a mounting column 142. The base plate 141 abuts against the bottom of the main magnet 13, allowing the mounting column 142 to pass through the mounting hole and through slot and be installed and fixed with the magnetic gauge 20. There is a gap between the mounting column 142 and the mounting hole. The magnetic gauge 20 is used to position the T-iron 14, main magnet 13, washer 12 and other components, so that the voice coil is installed in the gap and can obtain a stable magnetic field. When current passes through, it moves according to Fleming's left-hand rule, and the voice coil can drive the diaphragm to vibrate. After installation, the magnetic gauge 20 is removed to prevent it from interfering with the normal magnetic field distribution of the speaker and affecting the speaker's performance and sound quality. Therefore, the magnetic gauge 20 is used during the installation process.

[0032] Reference Figures 3-4As shown, the magnetic gauge 20 includes an insertion / removal part 21 and a positioning part 23, which are connected by a connecting part 22. The magnetic gauge 20 has a hollow structure in the middle. The positioning part 23 is sleeved on the mounting column 142 to position the T-iron 14, the main magnet 13, and the washer 12. In this embodiment, the insertion / removal part 21 is a columnar boss 211. The lower end surface of the columnar boss 211 is set at a certain angle α with the side wall of the connecting part 22. In this embodiment, α < 90°, so that the pull gauge fixture can better engage the columnar boss 211. The lower end surface of the columnar boss 211 is provided with a plurality of grooves 212 arranged in a circular array at equal intervals with the axis of the magnetic gauge 20 as a reference. The pull gauge fixture is provided with a protruding edge 3322 corresponding to the groove 212, so that the protruding edge 3322 is set in the groove 212, which facilitates the positioning of the magnetic gauge 20.

[0033] The connecting part 22 is cylindrical, and the positioning part 23 includes a conical body 231 near the connecting part 22 and a cylindrical body 232 away from the connecting part 22. An abutment platform 233 extends inwardly from the inner wall of the cylindrical body 232 near the conical body 231. When the positioning part 23 is fitted onto the mounting column 142, the abutment platform 233 abuts against the upper surface of the mounting column 142. The cylindrical body 232 is positioned with the axis of the magnetic gauge 20 as a reference. The circumferential array of the spaced parts is provided with several deformation grooves 234. The deformation grooves 234 are used to adapt to the size of the mounting column 142. If the size of the positioning part 23 is slightly smaller than the size of the mounting column 142, installation can still be performed. Let the height of the column 232 be L, the groove depth of the deformation groove 234 be L1, and the height of the abutment platform 233 be L2. Then, L1 = 2 / 3 to 3 / 4 * L, L2 = 1 / 4 to 1 / 2 * L. First, the height of the abutment platform 233 should not be too high, on the one hand, to abut against... If the height of the mounting platform 233 is too high, it will increase the consumption of materials. On the other hand, if the height of the mounting platform 233 is high, the contact surface between the positioning part 23 and the side wall of the mounting column 142 will be small, which may cause the positioning part 23 to be difficult to snap into the mounting column 142. Secondly, the depth of the deformation groove 234 should not be too deep. For example, in a magnetic gauge 20 that is easy to insert and remove, the deformation groove 234 extends to the cone 231. In this case, the gripping force of the positioning part is not enough, which may lead to unstable positioning and the problem of falling off during use. The depth of the deformation groove 234 should not be too shallow either. If it is too shallow, it may also cause the positioning part 23 to be difficult to snap into the mounting column 142. Therefore, in one embodiment of this utility model, L1 = 2 / 3*L and L2 = 1 / 2*L. With this size setting, the positioning part 23 not only has enough gripping force to ensure that it does not loosen during use, but the deformation groove 234 also has enough toughness to facilitate fitting onto the mounting column 142.

[0034] ReferenceFigure 5 As shown, in another embodiment, the deformation groove 234 is gradually reduced in size in the direction away from the conical body 231. The advantage of this arrangement is that the tail of the positioning portion 23 has a large area in contact with the mounting column 142, which can have better grip, making the installation more stable. Since the magnetic ruler 20 pays more attention to installation stability during use, otherwise it will cause the installation of the T iron 14, the main magnetic steel 13, the dust core 12 and other components to deviate, causing instability of the magnetic field, which will affect the use effect of the loudspeaker. Therefore, a stronger grip is required. Since the opening at the top of the deformation groove 234 is large, it may lead to poor strength. The arrangement of the abutting table 233 can exactly make up for this shortcoming.

[0035] Referring to Figures 6-9As shown, because the magnetic gauge 20 needs a certain grip, the installation is more stable, and then in the process of pulling gauge, if the human pulling, may cause the T iron 14, main magnetic steel 13, huasi 12 etc. The crack of the adhesive between the components, therefore, in the process of pulling gauge, need to be equipped with a certain professional and convenient equipment, it has certain stability, and also can facilitate the pulling gauge, therefore, the utility model discloses a loudspeaker pulling gauge device 30, including: the U-shaped frame 31, both ends are provided as support frame 311, the bottom of the U-shaped frame 31 is provided with a through hole, a driving cylinder 32 is installed on the through hole, the driving cylinder 32 is provided with first air inlet 321 close to one end of the U-shaped frame 31, the first air inlet 321 is provided with pressure relief valve 322, the driving cylinder 32 is provided with second air inlet 323 away from one end of the U-shaped frame 31, the piston rod 324 of the driving cylinder 32 passes through the through hole and is arranged between the two end support frames 311, the piston rod 324 is connected with the jaw assembly 33, the jaw assembly 33 includes a connecting block 331 connected with the piston rod 324, the connecting block 331 is provided with an assembly hole 3311, the piston rod 324 is installed in the assembly hole 3311, the connecting block 331 is provided with symmetrical assembly grooves 3315 on both sides, the assembly grooves 3315 are installed with symmetrical clamps 332 about the axis direction of the connecting block 331, the clamps 332 are installed in the assembly grooves 3315 through rotating shafts 333, so that the clamps 332 can be rotated, so as to adapt to more different sizes of the magnetic gauge 20, the tail of the clamp 332 is provided with a hook 3321, the support frame 311 abuts the surface of the loudspeaker upper shell 10, the hook 3321 abuts the two sides of the plug-in part 21, by controlling the pressure relief valve 322, the piston rod 324 is retracted, and then the magnetic gauge 20 is separated from the installation column body 142, by the pulling gauge device 30 shown in the utility model, on the one hand, the hands can be freed, and the human pulling gauge is not needed, so that the pulling gauge is more simple, on the other hand, the pulling gauge mode of the cylinder driving the jaw assembly 33 can pull out the magnetic gauge 20 from a fixed direction, which can effectively prevent the human pulling, which may cause the crack of the adhesive between the T iron 14, main magnetic steel 13, huasi 12 etc. The components.

[0036] Referring to Figure 10 As shown, in another embodiment, the upper surface of the hook 3321 is arc-shaped and adapted to the plug-in part 21, the hook 3321 has a certain inclination angle α, so that the clamp 332 can hook the plug-in part 21 tightly when it is opened, preventing loosening during the pulling gauge process, the hook 3321 is provided with a convex edge 3322, so that the convex edge 3322 is arranged in the groove 212, facilitating the positioning of the magnetic gauge 20, preventing the hook 3321 from falling off during the pulling gauge process, causing the pulling gauge to fail, affecting the operation efficiency, and also causing the positioning to fail, thereby affecting the quality of the loudspeaker.

[0037] Referring to Figures 6-11 As shown in FIG. 10, in another embodiment, the end of the piston rod 324 is provided with a limiting plate 325, and a spring 326 is arranged between the limiting plate 325 and the connecting block 331. A limiting groove 3312 is arranged on the side wall of the assembly hole 3311. The limiting groove 3312 includes an annular groove 3313 and a plurality of vertical grooves 3314 which are in communication with the annular groove 3313 and arranged above the annular groove 3313. The vertical grooves 3314 are arranged in an equidistant annular array about the axis of the assembly hole 3311. A contact block 3241 corresponding to the limiting groove 3312 is mounted on the side wall of the piston rod 324. In normal use, under the action of the spring 326, the contact block 3241 is mounted in the vertical groove 3314. When the angle needs to be adjusted, the connecting block 331 is compressed downward and can be rotated along the annular groove 3313. After the connecting block 331 is rotated to a suitable angle, the connecting block 331 is arranged in the corresponding vertical groove 3314 under the action of the spring 326. The advantage of this arrangement is that the upper shell 10 of the loudspeaker is long and narrow, and the accommodating cavity 113 is also long and narrow. The size of the upper shell 10 of the loudspeaker is different. For a larger size of the upper shell 10 of the loudspeaker, the support frame 311 is abutted on both sides of the width direction of the upper shell 10 of the loudspeaker, and the clamping jaw 332 is arranged on both sides of the length direction of the accommodating cavity 113. In this way, the opening angle of the clamping jaw 332 is larger, which is suitable for the size of the upper shell 10 of the loudspeaker. If the size of the upper shell 10 of the loudspeaker is smaller, the support frame 311 is abutted on both sides of the length direction of the upper shell 10 of the loudspeaker, and the clamping jaw 332 can only be arranged on both sides of the length direction of the accommodating cavity 113, otherwise the clamping jaw 332 cannot be inserted into the accommodating cavity 113. Therefore, through the arrangement of the contact block 3241 and the limiting groove 3312, the angle of the clamping jaw assembly 33 is adjusted to adapt to different sizes of the upper shell 10 of the loudspeaker.

[0038] The preferred embodiments of the present application have been described above with particular references to the accompanying drawings. However, it should be understood by those skilled in the art that the present application can be modified and changed in various manners. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. A loudspeaker pull gauge device, characterized in that, include: A U-shaped frame (31) has a through hole at its bottom. A drive cylinder (32) is installed in the through hole. The piston rod (324) of the drive cylinder (32) passes through the through hole and is positioned between two end support frames (311). The piston rod (324) is connected to a gripper assembly (33). The gripper assembly (33) includes a connecting block (331) that is fixedly connected to the piston rod (324). The connecting block (331) has an assembly hole (3311), and the piston rod (324) is installed in the assembly hole (3311). 1) Inside, the connecting block (331) has symmetrical assembly slots (3315) on both sides. The assembly slots (3315) are equipped with grippers (332) that are symmetrical about the axis of the connecting block (331). The grippers (332) have hooks (3321) at their tails. The U-shaped frame (31) abuts against the surface of the upper housing (10) of the speaker. The hooks (3321) abut against both sides of the magnetic gauge (20) to control the piston rod (324) to retract, thereby driving the magnetic gauge (20) to disengage from the upper housing (10) of the speaker.

2. The loudspeaker pull-out device according to claim 1, characterized in that, The drive cylinder (32) has a first air inlet (321) at the end near the U-shaped frame (31), and a pressure relief valve (322) is provided on the first air inlet (321). The drive cylinder (32) has a second air inlet (323) at the end away from the U-shaped frame (31).

3. The loudspeaker pull-out device according to claim 1, characterized in that, The magnetic gauge (20) includes a plug-in part (21) and a positioning part (23), which are connected by a connecting part (22).

4. A loudspeaker pull-out device according to claim 3, characterized in that, The insertion / extraction part (21) is configured as a columnar boss (211). The lower end surface of the columnar boss (211) is set at a certain angle α with the side wall of the connecting part (22), so α < 90°. The lower end surface of the columnar boss (211) is provided with several grooves (212) arranged in a circular array at equal intervals with the axis of the magnetic gauge (20) as the reference.

5. A loudspeaker pull-out device according to claim 4, characterized in that, The upper surface of the hook (3321) is an arc shape adapted to the insertion part (21). The hook (3321) has a certain tilt angle. The hook (3321) is provided with a protruding edge (3322) so that the protruding edge (3322) is set in the groove (212).

6. A loudspeaker pull-out device according to claim 1, characterized in that, A limiting plate (325) is provided at the end of the piston rod (324). A spring (326) is provided between the limiting plate (325) and the connecting block (331). A limiting groove (3312) is provided on the side wall of the assembly hole (3311). The limiting groove (3312) includes an annular groove (3313) and several vertical grooves (3314) that communicate with the annular groove (3313) and are provided above the annular groove (3313). The vertical grooves (3314) are arranged in a circular array at equal intervals about the axis of the assembly hole (3311). A corresponding abutment block (3241) is installed on the side wall of the piston rod (324). During normal use, under the action of the spring (326), the abutment block (3241) is installed in the vertical groove (3314). When the angle needs to be adjusted, the connecting block (331) compresses the spring (326) downward and can rotate along the annular groove (3313). After rotating the connecting block (331) to select a suitable angle, under the action of the spring (326), the connecting block (331) is set in the corresponding vertical groove (3314).

Images