Sound box sealing test device

Abstract

The utility model provides a sound box sealing testing device, and relates to the field of sound box testing. Comprising a test box and a loudspeaker box body, a sliding groove is fixedly connected in the test box, an observation assembly is arranged in the test box, the observation assembly comprises a cross rod, the cross rod is slidably connected in the sliding groove, the bottom of the cross rod is fixedly connected with first fiber wool, and the outer wall of the cross rod is symmetrically slidably connected with two second sliding blocks; the sides, close to each other, of the two sleeves are fixedly connected with second fiber wool, and the sides, close to each other, of the two sliding rods are fixedly connected with third fiber wool. A first sliding block drives a transverse rod to slide up and down in a sliding groove, first fiber wool is located above loudspeaker box bodies of different heights, sealing performance observation of the loudspeaker box bodies of different heights is achieved, meanwhile, a second sliding block is pulled to slide left and right, the second sliding block drives a sleeve to slide left and right, and the sealing performance of the loudspeaker box bodies of different heights is observed. And the fiber wool II and the fiber wool III can be used for observing the sealing performance of the loudspeaker box bodies with different widths.

Description

Technical Field

[0001] The utility model relates to a testing device, in particular to a sound box sealing testing device, belonging to the technical field of sound box testing. Background Art

[0002] The sound quality of a speaker is also related to the sealing of the speaker cavity. Therefore, we need to test the sealing of the speaker cavity. Although there are many existing methods and equipment for testing airtightness, we need a simple and low-cost sealing test device to perform speaker sealing test. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The purpose of the utility model is to provide a sound box sealing test device in order to solve the above problems, so as to solve the problems of complex structure and high cost in the prior art.

[0005] (II) Technical solution

[0006] The utility model is implemented through the following technical scheme: a sound box sealing test device, including a test box and a sound box body, the interior of the test box is fixedly connected with a slide groove, the interior of the test box is provided with an observation component, the observation component includes a cross bar, the cross bar is slidably connected to the interior of the slide groove, the bottom of the cross bar is fixedly connected with fiber hair 1, the outer wall of the cross bar is symmetrically slidably connected with two sliding blocks 2, the bottoms of the two sliding blocks are fixedly connected with sleeves, the interiors of the two sleeves are slidably connected with rectangular blocks, the bottoms of the two rectangular blocks are fixedly connected with sliding rods, the bottom ends of the two sliding rods extend to the outside of the sleeve, the sides of the two sleeves that are close to each other are fixedly connected with fiber hair 2, and the sides of the two sliding rods that are close to each other are fixedly connected with fiber hair 3.

[0007] Preferably, a motor is fixedly connected inside the test box, a lead screw is fixedly connected to the output end of the motor, a slider 1 is threadedly connected to the outer wall of the lead screw, and one end of the slider 1 is fixedly connected to an end of the cross bar away from the slide slot.

[0008] Preferably, an air pump is fixedly connected to the inside of the test box, an output end of the air pump is fixedly connected to an air pipe, an end of the air pipe away from the air pump is fixedly connected to an air nozzle, and one end of the air nozzle extends to the inside of the speaker body.

[0009] Preferably, an exhaust pipe is fixedly connected to the input end of the air pump, and an end of the exhaust pipe away from the air pump extends to the outside of the test box.

[0010] Preferably, a door is rotatably connected to the outer wall of the test box, and a glass window is fixedly connected to the surface of the door.

[0011] Preferably, a control panel is fixedly connected to the outer wall of the test box, the control panel is electrically connected to the air pump and the motor respectively, and the speaker body is placed inside the test box.

[0012] The utility model provides a sound box sealing test device, which has the following beneficial effects:

[0013] 1. The slider 1 is driven up and down by the screw rod, and the slider 1 drives the cross bar to slide up and down inside the slide groove, so that the fiber hair 1 is located above the speaker body at different heights, so as to realize the sealing observation of the speaker body at different heights. At the same time, by pulling the slider 2 to slide left and right, the slider 2 drives the sleeve to slide left and right, so that the fiber hair 2 and the fiber hair 3 can observe the sealing of the speaker body of different widths.

[0014] 2. Use an air pump to pump air into the air pipe, and at the same time use an air nozzle to pump air into the inside of the speaker body. According to the shaking state of fiber hair 2, fiber hair 3 and fiber hair 1, check whether the sealing of the speaker body is qualified. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0018]

Main component symbol description

[0019] 1. Test box; 2. Speaker body; 3. Motor; 4. Screw; 5. Slider 1; 6. Slide; 7. Observation component; 71. Crossbar; 72. Fiber hair 1; 73. Slider 2; 74. Sleeve; 75. Slide bar; 76. Fiber hair 2; 77. Fiber hair 3; 78. Rectangular block; 8. Control panel; 9. Air pump; 10. Air nozzle; 11. Air pipe; 12. Door; 13. Glass window; 14. Exhaust pipe. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 3The embodiment of the utility model provides a sound box sealing test device, including a test box 1 and a sound box body 2, the interior of the test box 1 is fixedly connected with a slide groove 6, the interior of the test box 1 is provided with an observation component 7, the observation component 7 includes a cross bar 71, the cross bar 71 is slidably connected to the interior of the slide groove 6, the bottom of the cross bar 71 is fixedly connected with a fiber hair 1 72, the outer wall of the cross bar 71 is symmetrically slidably connected with two sliders 2 73, the bottoms of the two sliders 2 73 are fixedly connected with sleeves 74, the interiors of the two sleeves 74 are slidably connected with rectangular blocks 78, the bottoms of the two rectangular blocks 78 are fixedly connected with sliding rods 75, the bottom ends of the two sliding rods 75 extend to the outside of the sleeve 74, the adjacent sides of the two sleeves 74 are fixedly connected with fiber hair 2 76, and the adjacent sides of the two sliding rods 75 are fixedly connected with fiber hair 3 77.

[0021] During operation, the cross bar 71 slides up and down inside the slide groove 6, so that the fiber hair 1 72 is located above the speaker body 2, so that the sealing of the speaker body 2 can be observed. At the same time, by pulling the slider 2 73 to slide left and right, the slider 2 73 drives the sleeve 74 to slide left and right, so that the fiber hair 2 76 and the fiber hair 3 77 can observe the sealing of the speaker body 2 of different widths.

[0022] Furthermore, the inside of the test box 1 is fixedly connected to a motor 3, the output end of the motor 3 is fixedly connected to a screw rod 4, the outer wall of the screw rod 4 is threadedly connected to a slider 5, and one end of the slider 5 is fixedly connected to an end of the cross bar 71 away from the slide groove 6.

[0023] During operation, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the slider 5 to slide, and the slider 5 drives the cross bar 71 to slide, so that the fiber hair 72 slides to the best position for observing the top of the speaker body 2.

[0024] Furthermore, an air pump 9 is fixedly connected to the interior of the test box 1, an output end of the air pump 9 is fixedly connected to an air pipe 11, an end of the air pipe 11 away from the air pump 9 is fixedly connected to an air nozzle 10, and one end of the air nozzle 10 extends to the interior of the speaker body 2.

[0025] During operation, the air nozzle 10 is inserted into the air hole reserved on the speaker body 2 to enter the interior of the speaker body 2, and then the air pump 9 is started. The air pump 9 pumps air into the air pipe 11. At this time, the sealing of the speaker body 2 is detected based on the shaking state of the fiber hair 2 76, the fiber hair 3 77 and the fiber hair 1 72 to determine whether it is qualified.

[0026] Furthermore, an exhaust pipe 14 is fixedly connected to the input end of the air pump 9 , and an end of the exhaust pipe 14 away from the air pump 9 extends to the outside of the test box 1 .

[0027] Furthermore, a door 12 is rotatably connected to the outer wall of the test box 1 , and a glass window 13 is fixedly connected to the surface of the door 12 .

[0028] Furthermore, a control panel 8 is fixedly connected to the outer wall of the test box 1 , and the control panel 8 is electrically connected to the air pump 9 and the motor 3 respectively. The speaker body 2 is placed inside the test box 1 .

[0029] Working principle: first open the door 12 and place the speaker body 2 inside the test box 1, then start the motor 3, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the slider 1 5 to slide, the slider 1 5 drives the cross bar 71 to slide, when the fiber hair 1 72 slides to the best position for observing the top of the speaker body 2, pull the two sliders 2 73 to make the two sleeves 74 located at the best position for observing the two sides of the speaker body 2, then insert the air nozzle 10 into the air hole reserved on the speaker body 2 to enter the interior of the speaker body 2, then start the air pump 9, the air pump 9 pumps air into the interior of the air pipe 11, at this time, according to the shaking state of the fiber hair 2 76, the fiber hair 3 77 and the fiber hair 1 72, check whether the sealing of the speaker body 2 is qualified.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sound box sealing test device, comprising a test box (1) and a sound box body (2), characterized in that: The interior of the test box (1) is fixedly connected with a slide groove (6), and the interior of the test box (1) is provided with an observation assembly (7), and the observation assembly (7) comprises a cross bar (71), and the cross bar (71) is slidably connected to the interior of the slide groove (6), and the bottom of the cross bar (71) is fixedly connected with a fiber hair one (72), and the outer wall of the cross bar (71) is symmetrically slidably connected with two sliding blocks (73), and the bottoms of the two sliding blocks (73) are fixedly connected with a sleeve (74), and the interiors of the two sleeves (74) are slidably connected with a rectangular block (78), and the bottoms of the two rectangular blocks (78) are fixedly connected with a sliding rod (75), and the bottom ends of the two sliding rods (75) extend to the outside of the sleeve (74), and the adjacent sides of the two sleeves (74) are fixedly connected with a fiber hair two (76), and the adjacent sides of the two sliding rods (75) are fixedly connected with a fiber hair three (77).

2. A sound box sealing test device according to claim 1, characterized in that: The interior of the test box (1) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a screw rod (4), the outer wall of the screw rod (4) is threadedly connected to a slider (5), and one end of the slider (5) is fixedly connected to an end of the cross bar (71) away from the slide groove (6).

3. A sound box sealing test device according to claim 1, characterized in that: An air pump (9) is fixedly connected to the interior of the test box (1), an output end of the air pump (9) is fixedly connected to an air pipe (11), an end of the air pipe (11) away from the air pump (9) is fixedly connected to an air nozzle (10), and one end of the air nozzle (10) extends to the interior of the speaker body (2).

4. A sound box sealing test device according to claim 3, characterized in that: An exhaust pipe (14) is fixedly connected to the input end of the air pump (9), and an end of the exhaust pipe (14) away from the air pump (9) extends to the outside of the test box (1).

5. The sound box sealing test device according to claim 1, characterized in that: The outer wall of the test box (1) is rotatably connected to a door (12), and the surface of the door (12) is fixedly connected to a glass window (13).

6. A sound box sealing test device according to claim 1, characterized in that: A control panel (8) is fixedly connected to the outer wall of the test box (1), and the control panel (8) is electrically connected to the air pump (9) and the motor (3) respectively. The speaker body (2) is placed inside the test box (1).

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