Suction device of earphone loudspeaker

Abstract

The suction device comprises a valve, a connecting pipe is installed on the lower end face of the valve, an air inlet pipe is installed on the upper end face of the valve, a transverse pipe is installed on one side of the outer surface of the air inlet pipe, a dustproof mechanism is installed on the inner side of the transverse pipe, and the other end of the air inlet pipe is sleeved with a fixing lantern ring. A circular groove is formed in the lower end face of the fixing lantern ring, pressing plates are installed below the front end face and the rear end face of the inner wall of the circular groove, through holes are formed in the two sides of the outer surface of the fixing lantern ring, and inserting rods are arranged on the inner sides of the through holes. Dust can be prevented from entering the valve through the air inlet pipe by arranging the filter screen, the filter screen can be washed by arranging the transverse pipe, the time interval of dismounting, mounting and cleaning of the filter screen is shortened, the machining efficiency is guaranteed, meanwhile, the filter screen can be dismounted and mounted, omni-directional cleaning of the filter screen is facilitated, and the subsequent filtering effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone production technical field, concretely is a kind of earphone loudspeaker's suction device. BACKGROUND

[0002] In earphone production process, due to the loudspeaker of earphone is small, suction device is often used to carry out suction and transport to loudspeaker from one station to another on production line.Suction device usually includes suction head and air pipe connected to negative pressure device, in use, suction head is aimed at loudspeaker, valve of negative pressure device is opened, suction head is moved to specified station after loudspeaker is sucked, then valve of negative pressure device is closed, and loudspeaker is released by suction head.

[0003] In prior art, the utility model discloses a kind of earphone loudspeaker's suction device of Chinese utility model patent with publication number CN204887475U, valve is communicated and closed by nut driving piston left and right movement, piston is uniformly stressed, not easy to damage, and work is stable and reliable, improve work efficiency.

[0004] But, above-mentioned device is used, dust can be entered into valve by suction head, air pipe under the action of negative pressure pump suction force, after long time accumulation, possibly it causes blockage to valve, affects use;Therefore, it does not meet the existing demand, and we propose a kind of earphone loudspeaker's suction device for this. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of earphone loudspeaker's suction device, to solve the above-mentioned device in above-mentioned background art, dust can be entered into valve by suction head, air pipe under the action of negative pressure pump suction force, after long time accumulation, possibly it causes blockage to valve, affects use and other problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of earphone loudspeaker's suction device, including valve, the lower end surface of the valve is installed with connecting pipe, the upper end surface of the valve is installed with inlet pipe, the outer surface of the inlet pipe one side is installed with cross pipe, the inner side of the cross pipe is installed with dustproof mechanism, the other end of the inlet pipe is equipped with fixed collar, the lower end surface of the fixed collar is provided with circular groove, the lower end surface of the circular groove inner wall front end surface and rear end surface are all installed with pressing plate, the both sides of the outer surface of the fixed collar are provided with through hole, the inner side of the through hole is provided with plug rod, the outer surface of the plug rod is equipped with first spring, the lower side of the fixed collar is provided with suction head, the upper end surface of the suction head is fixedly connected with mounting ring, the both sides of the outer surface of the mounting ring are provided with insertion hole, the front end surface and rear end surface of the inner wall of the mounting ring are both provided with vertical slot, the upper end surface of the vertical slot is installed with third spring, the upper side of the third spring is provided with connecting block, the outer surface of the two connecting blocks opposite sides is fixedly connected with filter screen.

[0007] Preferably, the air inlet pipe and the circular groove form an annular groove, the mounting ring can be clamped into the inner side of the annular groove, and the insertion rod can be clamped into the inner side of the insertion hole.

[0008] Preferably, the elastic force of the two third springs is greater than the sum of the gravity of the filter screen and the two connecting blocks, the pressing plate is in positive correspondence with the vertical groove, and the size of the pressing plate is smaller than the size of the vertical groove.

[0009] Preferably, one side of the outer surface of the insertion rod is sleeved with a limiting plate, one end of the first spring is fixedly connected with the outer surface of the limiting plate, and the other end of the first spring is fixedly connected with the inner wall of the through hole.

[0010] Preferably, the dustproof mechanism comprises a fixing ring, the fixing ring is fixedly connected with the inner wall of the horizontal pipe, the other side of the fixing ring is provided with two fixing plates, and the two fixing plates are fixedly connected with the upper end face and the lower end face of the inner wall of the horizontal pipe, respectively.

[0011] Preferably, the outer surface of the fixing plate is provided with a second spring, the other end of the second spring is fixedly connected with a sealing plate, and the sealing plate can be clamped into the inner side of the fixing ring.

[0012] Preferably, the outer surface of the sealing plate is sleeved with a rubber sleeve, the outer surface of the rubber sleeve is attached to the inner wall of the fixing ring, and one side of the outer surface of the sealing plate is sleeved with an annular baffle.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a filter screen can prevent dust from entering the air inlet pipe, which will not affect the valve, and through the setting of the insertion rod, the insertion hole, the mounting ring, the fixing sleeve ring, the third spring, the vertical groove and the pressing plate, two insertion rods can be pulled outwards at the same time, the other end of the insertion rod leaves the inner side of the insertion hole, the limiting of the mounting ring is released, the mounting ring can be disassembled from the inner side of the fixing sleeve ring, the pressing plate leaves the outer surface of the connecting block, the pressing of the connecting block is released, and the connecting block and the filter screen are pushed upwards under the action of the third spring, the staff can disassemble the filter screen from the inner side of the mounting ring and clean it, which guarantees the subsequent filtering effect.

[0015] 2, the utility model discloses a cross pipe and dustproof mechanism are set up, can prevent dust through cross pipe and enter the inside of air intake pipe, and can be connected to the water pipe, the end of water pipe is inserted into the inside of cross pipe, and cross pipe extrudes the sealing plate to the inside, and the second spring is compressed, and the water flow can flow into the inside of air intake pipe through the gap of fixed ring and sealing plate, and the water flow under the action of gravity, will flow down in air intake pipe, and the filter screen is washed, increase the time interval of its dismounting cleaning, guarantee processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the local structure schematic view of the utility model fixed sleeve ring;

[0018] Figure 3 It is the main sectional view of the utility model air intake pipe;

[0019] Figure 4 It is the main sectional view of the utility model fixed sleeve ring and installation ring;

[0020] Figure 5 It is the local structure schematic view of the utility model dustproof mechanism.

[0021] In the drawing: 1, connecting pipe;2, valve;3, air intake pipe;4, cross pipe;5, fixed sleeve ring;6, suction head;7, plug rod;8, filter screen;9, installation ring;10, vertical groove;11, pressing plate;12, insertion hole;13, first spring;14, through-hole;15, circular groove;16, dustproof mechanism;1601, fixed ring;1602, annular baffle;1603, second spring;1604, fixed plate;1605, sealing plate;17, third spring;18, connecting block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1 to 5The utility model provides an earphone loudspeaker's sucking device, including valve 2, the lower end surface of valve 2 is installed with connecting pipe 1, the upper end surface of valve 2 is installed with air inlet pipe 3, one side of air inlet pipe 3 outer surface is installed with cross pipe 4, the inside of cross pipe 4 is installed with dust prevention mechanism 16, the other end of air inlet pipe 3 is equipped with fixed collar 5, the lower end surface of fixed collar 5 is provided with round groove 15, the lower of the inner wall front end surface and rear end surface of round groove 15 is installed with pressboard 11, the both sides of fixed collar 5 outer surface are provided with through -hole 14, the inside of through -hole 14 is provided with plug rod 7, the outer surface of plug rod 7 is equipped with first spring 13, the lower of fixed collar 5 is provided with suction head 6, the upper end surface of suction head 6 is fixedly connected with mounting ring 9, the both sides of mounting ring 9 outer surface are provided with insertion hole 12, the front end surface and rear end surface of mounting ring 9 inner wall are provided with vertical slot 10, the upper end surface of vertical slot 10 is installed with third spring 17, the upper of third spring 17 is provided with connecting block 18, the opposite side of the outer surface of two connecting block 18 is fixedly connected with filter screen 8.

[0024] Air inlet pipe 3 and round groove 15 form annular groove, mounting ring 9 can be clamped into the inside of annular groove, plug rod 7 can be clamped into the inside of insertion hole 12, plug rod 7 can fix mounting ring 9.

[0025] The elastic force of two third springs 17 is greater than the sum of the gravity of filter screen 8 and two connecting blocks 18, pressboard 11 and vertical slot 10 are opposite, and the size of pressboard 11 is less than the size of vertical slot 10, pressboard 11 can be clamped into the inside of vertical slot 10, pressboard 11 is pressed and held, third spring 17 is compressed, and two third springs 17 can push filter screen 8 and two connecting blocks 18 upward.

[0026] One side of the outer surface of plug rod 7 is equipped with limit plate, one end of first spring 13 is fixedly connected with the outer surface of limit plate, the other end of first spring 13 is fixedly connected with the inner wall of through -hole 14, improve the stability of plug rod 7 in through -hole 14.

[0027] Dust prevention mechanism 16 includes fixed ring 1601, fixed ring 1601 is fixedly connected with the inner wall of cross pipe 4, the other side of fixed ring 1601 is provided with two fixed plates 1604, two fixed plates 1604 are fixedly connected with the upper end surface and the lower end surface of the inner wall of cross pipe 4 respectively, improve the stability of fixed ring 1601 and two fixed plates 1604 connection.

[0028] The outer surface of the fixed plate 1604 is provided with a second spring 1603, the other end of the second spring 1603 is fixedly connected with a sealing plate 1605, the sealing plate 1605 can be clamped into the inner side of the fixed ring 1601, the outer surface of the sealing plate 1605 is provided with a rubber sleeve, the outer surface of the rubber sleeve is attached to the inner wall of the fixed ring 1601, the outer surface of the sealing plate 1605 is provided with a ring-shaped baffle 1602, which improves the sealing performance of the sealing plate 1605 in the inner side of the fixed ring 1601, and the ring-shaped baffle 1602 can limit the sealing plate 1605 and prevent the sealing plate 1605 from penetrating through the fixed ring 1601.

[0029] The dust suction device of the earphone loudspeaker can prevent dust from entering the air inlet pipe 3 and affecting the valve 2 by being provided with the filter screen 8, can prevent dust from entering the inside of the air inlet pipe 3 through the cross pipe 4 and can be externally connected with a water pipe, the end of the water pipe is inserted into the inside of the cross pipe 4, the cross pipe 4 extrudes the sealing plate 1605 inward, the second spring 1603 is compressed, the water flow can flow into the inside of the air inlet pipe 3 through the gap between the fixed ring 1601 and the sealing plate 1605, and under the action of its own gravity, the water flow flows downward in the air inlet pipe 3, washes the filter screen 8, reduces the time interval of disassembly and cleaning of the filter screen 8, and guarantees the processing efficiency; when it is necessary to clean the filter screen 8 in all directions, the two insertion rods 7 can be pulled outwards at the same time, the other end of the insertion rod 7 is away from the inside of the insertion hole 12, the limiting of the mounting ring 9 is released, the mounting ring 9 can be disassembled from the inside of the fixed sleeve ring 5, the pressing plate 11 is away from the outer surface of the connecting block 18, the pressing of the connecting block 18 is released, the connecting block 18 and the filter screen 8 are upwardly jolted under the action of the third spring 17, and the worker can disassemble the filter screen 8 from the inside of the mounting ring 9 and clean it, so that the subsequent filtering effect is guaranteed; the filter screen 8 can be prevented from entering the valve 2 through the air inlet pipe 3 by being provided with the filter screen 8, the filter screen 8 can be washed by being provided with the cross pipe 4, the time interval of disassembly and cleaning of the filter screen 8 is increased, the processing efficiency is guaranteed, the filter screen 8 can be disassembled and assembled, and the filter screen 8 is convenient to clean in all directions, so that the subsequent filtering effect is guaranteed.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A suction device for an earphone speaker, comprising a valve (2), characterized in that: The lower end face of the valve (2) is provided with a connecting pipe (1), the upper end face of the valve (2) is provided with an air intake pipe (3), a transverse pipe (4) is provided on one side of the outer surface of the air intake pipe (3), a dustproof mechanism (16) is provided on the inner side of the transverse pipe (4), a fixing ring (5) is provided on the other end of the air intake pipe (3), a circular groove (15) is provided on the lower end face of the fixing ring (5), a pressure plate (11) is provided below the front end face and the rear end face of the inner wall of the circular groove (15), through holes (14) are provided on both sides of the outer surface of the fixing ring (5), and a plug is provided on the inner side of the through hole (14). The rod (7) is provided with a first spring (13) on the outer surface of the insertion rod (7), a suction head (6) is provided below the fixed collar (5), the upper end surface of the suction head (6) is fixedly connected with a mounting ring (9), both sides of the outer surface of the mounting ring (9) are provided with insertion holes (12), the front end surface and the rear end surface of the inner wall of the mounting ring (9) are provided with vertical grooves (10), the upper end surface of the vertical groove (10) is provided with a third spring (17), a connecting block (18) is provided above the third spring (17), and the outer surfaces of the two connecting blocks (18) are fixedly connected to the filter screen (8) on the opposite side.

2. The headphone speaker suction device according to claim 1, characterized in that: The air inlet pipe (3) and the circular groove (15) form an annular groove, the mounting ring (9) can be inserted into the inner side of the annular groove, and the insertion rod (7) can be inserted into the inner side of the insertion hole (12).

3. The headphone speaker suction device according to claim 1, characterized in that: The elastic force of the two third springs (17) is greater than the sum of the weights of the filter screen (8) and the two connecting blocks (18), the pressing plate (11) corresponds to the vertical slot (10), and the size of the pressing plate (11) is smaller than the size of the vertical slot (10).

4. The headphone speaker suction device according to claim 1, characterized in that: A limiting plate is sleeved on one side of the outer surface of the insertion rod (7), one end of the first spring (13) is fixedly connected to the outer surface of the limiting plate, and the other end of the first spring (13) is fixedly connected to the inner wall of the through hole (14).

5. The headphone speaker suction device according to claim 1, characterized in that: The dustproof mechanism (16) comprises a fixing ring (1601), the fixing ring (1601) being fixedly connected to the inner wall of the transverse tube (4), and two fixing plates (1604) being provided on the other side of the fixing ring (1601), the two fixing plates (1604) being fixedly connected to the upper end surface and the lower end surface of the inner wall of the transverse tube (4), respectively.

6. The headphone speaker suction device according to claim 5, characterized in that: A second spring (1603) is installed on the outer surface of the fixing plate (1604), and the other end of the second spring (1603) is fixedly connected to a sealing plate (1605), and the sealing plate (1605) can be clamped into the inner side of the fixing ring (1601).

7. The headphone speaker suction device according to claim 6, characterized in that: The outer surface of the sealing plate (1605) is covered with a rubber sleeve, the outer surface of the rubber sleeve is in contact with the inner wall of the fixing ring (1601), and one side of the outer surface of the sealing plate (1605) is covered with an annular baffle (1602).

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