Press-fit contact linkage structure

Abstract

The utility model aims to provide the press-fit contact linkage structure which is simple and compact in structure and realizes limiting and positioning of the earphone by using linkage pressing. The device comprises a fixed seat, a press-fit driving device, a press-fit assembly, a conduction assembly and a test piece, the press-fit driving device is arranged on one side of the fixed seat, a push plate is arranged at the movable end of the press-fit driving device, the press-fit assembly and the conduction assembly are respectively arranged at the two ends of the push plate, and the test piece is arranged on the press-fit assembly. The fixing seat is provided with a positioning hole and a receding groove, the conduction assembly is arranged in the receding groove, the test piece is matched with the positioning hole through a locking piece, the pressing assembly and a to-be-tested product are pressed and limited, the conduction assembly is in conduction connection with the to-be-tested product, and one end of the test piece is tightly attached to the to-be-tested product for detection. The earphone contact linkage structure is applied to the technical field of earphone contact linkage structures.

Description

Technical Field

[0001] The utility model relates to the technical field of earphone contact linkage structure, in particular to a press-fit contact linkage structure. Background Art

[0002] As users' requirements for the functions of headphones continue to increase, traditional wired headphones can no longer meet users' needs due to inconvenience in carrying and use. The emergence of true wireless headphones meets users' urgent needs for the continuous improvement of headphone functions. Wireless headphones need to be connected and tested after completing installation and other processes. As the requirements for testing are getting higher and higher, the machines are becoming more and more compact. In the acoustic test requirements, the test structure needs to be as simple as possible to reduce the reflection effect in order to test more realistic results. At present, the probe test structure on the market usually presses the product first, usually through a cylinder or motor to press the product, and then use other cylinders or motor structures to contact the probe with the product test point. Two structures are required to achieve two actions, and such a structure will become more and more complex, and more and more structural parts will be required, making it difficult to ensure the accuracy of audio testing. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a press-fit contact linkage structure which has a simple and compact structure and uses linkage pressing to realize the limit positioning of earphones.

[0004] The technical solution adopted by the utility model is: the utility model includes a fixed seat, a pressing drive device, a pressing assembly, a conduction assembly and a test piece, the pressing drive device is arranged on one side of the fixed seat, the movable end of the pressing drive device is provided with a push plate, the pressing assembly and the conduction assembly are respectively arranged at both ends of the push plate, the fixed seat is provided with a positioning hole and a clearance groove, the conduction assembly is arranged in the clearance groove, the test piece is matched with the positioning hole through a locking piece, the pressing assembly is pressed and limited with the product to be tested, the conduction assembly is conductively connected with the product to be tested, and one end of the test piece is tightly fitted with the product to be tested for detection.

[0005] Furthermore, the pressing assembly includes a fixed column, a rotating block, a pressing block, a guide member and an elastic member. The fixed column is slidably matched with the push plate, the rotating block is fixedly connected to one end of the fixed column, the elastic member is sleeved on the fixed column, one end of the elastic member is pushed and matched with the rotating block, the other end of the elastic member is supported and matched with the push plate, the guide member is fixedly connected to the upper end of the fixed seat, the rotating block and the guide member 34 are both provided with a rotating shaft, one end of the pressing block is provided with two groups of openings, the two groups of openings are respectively connected to the two groups of rotating shafts, the other end of the pressing block is provided with a pressing column, and the pressing column is limited and pressed against the product to be tested.

[0006] Furthermore, the pressure block is provided with a fixing portion, a bending portion and a clamping portion, the two groups of openings are provided on the fixing portion, one end of the bending portion is connected to the fixing portion, the other end of the bending portion is connected to the clamping portion, and one end of the clamping portion cooperating with the pressure column is provided with a guide hole, and the guide hole is connected to the pressure column.

[0007] Furthermore, an angle of 20-45 degrees is provided between the pressing portion and the bending portion.

[0008] Furthermore, the conductive component includes a connecting plate, a limit seat, two groups of limit screws and two groups of probes. The limit seat is connected to the push plate through the two groups of limit screws, one end of the connecting plate is connected to the bottom of the limit seat, and the other end of the connecting plate is connected to the external control mechanism. The limit seat is provided with two groups of reserved holes, and the two groups of probes are conductively connected to the connecting plate through the reserved holes, and the two groups of probes are in contact and cooperate with the access end of the product to be tested.

[0009] Furthermore, the fixing seat is provided with a first guide groove and a positioning groove, the first guide groove is matched with the push plate, and the positioning groove is provided above the fixing seat and is matched with the product to be tested.

[0010] Furthermore, a slot is provided on one side of the positioning slot, and the slot is set at 30-45 degrees.

[0011] Furthermore, the test piece includes a detection head, a fixed sleeve and a detection piece, the detection head and the detection piece are respectively arranged at two ends of the fixed sleeve, the detection head is in contact with and cooperates with the output end of the product to be tested, and the outer surface of the fixed sleeve is provided with anti-slip grooves, and the anti-slip grooves are pressed and fitted with the locking piece.

[0012] The beneficial effects of the utility model are as follows: when the utility model is used, a staff member or a manipulator puts the product to be tested into the positioning groove of the fixing seat, the pressing drive device is pushed out to make the push plate move upward, and the elastic member of the pressing drive device pushes one end of the pressing block to rotate close to the product to be tested, and at the same time, the conductive component moves upward close to the access end of the product to be tested, until the probe of the conductive component contacts the access end of the product to be tested to transmit the signal, and the test piece receives the sound of the product test to complete the detection. The overall structure is simple and compact, and the daily installation and maintenance are simple, which reduces the design complexity. The pressing component and the conductive component are respectively arranged at the two ends of the push plate to realize the effect of linkage pressing contact, and the pressing drive device is lifted to realize the effect of limiting pressing and connecting conduction at the same time, and the pressing process has strong stability to meet the product testing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is another perspective of the schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the press-fit assembly and the conduction assembly of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the conduction component of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the fixing seat of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the test piece and the locking piece of the utility model. DETAILED DESCRIPTION

[0019] like Figures 1 to 6 As shown, in this embodiment, the utility model includes a fixing seat 1, a pressing drive device 2, a pressing assembly 3, a conducting assembly 4 and a test piece 5, the pressing drive device 2 is arranged on one side of the fixing seat 1, the movable end of the pressing drive device 2 is provided with a push plate 9, the pressing assembly 3 and the conducting assembly 4 are respectively arranged at the two ends of the pushing plate 9, the fixing seat 1 is provided with a positioning hole 6 and a clearance groove 7, the conducting assembly 4 is arranged in the clearance groove 7, the test piece 5 cooperates with the positioning hole 6 through a locking piece 8, the pressing assembly 3 is pressed and limited with the product to be tested, the conducting assembly 4 is connected with the product to be tested, one end of the test piece 5 is tightly fitted with the product to be tested for detection, the pressing drive device 2 is a telescopic motor, the locking piece 8 is a machine screw, and the end of the locking piece 8 that contacts the test piece 5 is provided with a rubber anti-slip pad, the fixing seat 1 is provided with a base and an upper cover, the upper cover is fixedly connected to the base by multiple sets of screws, and the test piece 5 is an audio receiver for receiving the product The audio frequency emitted during the test, the upper cover of the fixing seat 1 is a high-damping material, which can effectively absorb the vibration transmitted from the outside and reduce the impact on the test. Before the test, the pressing drive device 2 is in a retracted state, the pressing assembly 3 is opened, and the staff or the manipulator puts the product to be tested into the positioning groove 12 of the fixing seat 1, and the pressing drive device 2 is pushed out to make the push plate 9 move upward, and the elastic member 35 of the pressing drive device 2 pushes one end of the pressing block 33 to rotate close to the product to be tested. At the same time, the conductive component 4 moves upward close to the access end of the product to be tested until the probe 44 of the conductive component 4 contacts the access end of the product to be tested to transmit the signal, and the test piece 5 receives the sound of the product test to complete the detection. The overall structure is simple and compact, and the daily installation and maintenance are simple, which reduces the design complexity. The pressing assembly 3 and the conductive component 4 are respectively arranged at the two ends of the push plate 9 to realize the effect of linkage pressing contact, and the pressing drive device 2 is lifted to realize the effect of limiting pressing and connecting conduction at the same time. The pressing process has strong stability to meet the product testing requirements.

[0020] In this embodiment, the pressing assembly 3 includes a fixed column 31, a rotating block 32, a pressing block 33, a guide member 34 and an elastic member 35. The fixed column 31 is slidably matched with the push plate 9, the rotating block 32 is fixedly connected to one end of the fixed column 31, the elastic member 35 is sleeved on the fixed column 31, one end of the elastic member 35 is pushed and matched with the rotating block 32, the other end of the elastic member 35 is supported and matched with the push plate 9, the guide member 34 is fixedly connected to the upper end of the fixed seat 1, the rotating block 32 and the guide member 34 are both provided with a rotating shaft 36, one end of the pressing block 33 is provided with two groups of openings, the two groups of openings are respectively connected to the two groups of rotating shafts 36, the other end of the pressing block 33 is provided with a pressing column 37, the pressing column 37 is limited and pressed tightly with the product to be tested, and the elastic member 35 is a spring. The two sets of rotating shafts 36 are rotatably connected with the pressing block 33. When the pressing drive device 2 is lifted, the elastic member 35 is pushed up, and then the rotating shaft 36 on one side of the rotating member drives the pressing block 33 to move upward, so that the pressing block 33 rotates around the rotating shaft 36 on one side of the guide member 34, to achieve the downward pressure limit on the product to be tested, wherein the pressing block 33 is pushed to flip by the elastic member 35, and the fixed column 31 mainly plays a guiding role. When the pressure column 37 at one end of the pressing block 33 presses the product under the push of the elastic member 35, the conductive component 4 has not yet been connected to the access end of the product to be tested, and the pressing drive device 2 needs to continue to rise. At this time, the elastic member 35 compresses and keeps pressing the product until the conductive component 4 is connected to the access end of the product to be tested and the probe 44, effectively avoiding the hard limit from crushing the product, and at the same time using the spring compression force to provide the clamping force, the structure is simple and efficient, and effectively avoiding excessive noise.

[0021] In this embodiment, the pressing block 33 is provided with a fixing portion, a bending portion and a clamping portion, and the two groups of openings are both provided on the fixing portion, one end of the bending portion is connected to the fixing portion, and the other end of the bending portion is connected to the clamping portion, and one end of the clamping portion that cooperates with the pressing column 37 is provided with a guide hole, and the guide hole is connected to the pressing column 37, and one group of the openings is a waist-shaped hole, so that the pressing block 33 has space for up and down movement.

[0022] In this embodiment, an angle of 20-45 degrees is set between the clamping portion and the bending portion. The angle design is adapted to the product shape so that the pressure block 33 drives the pressure column 37 to rotate parallel to the pressure surface of the product.

[0023] In this embodiment, the conductive component 4 includes a connecting plate 41, a limit seat 42, two groups of limit screws 43 and two groups of probes 44. The limit seat 42 is connected to the push plate 9 through the two groups of limit screws 43. One end of the connecting plate 41 is connected to the bottom of the limit seat 42, and the other end of the connecting plate 41 is connected to the external control mechanism. The limit seat 42 is provided with two groups of reserved holes. The two groups of probes 44 pass through the reserved holes to be conductively connected to the connecting plate 41. The two groups of probes 44 are in contact with the access end of the product to be tested, and the connecting plate 41 is a PCB board.

[0024] In this embodiment, the fixing seat 1 is provided with a first guide groove 11 and a positioning groove 12 , the first guide groove 11 is adapted to the push plate 9 , and the positioning groove 12 is provided above the fixing seat 1 and is adapted to the product to be tested.

[0025] In this embodiment, a slot 13 is provided on one side of the positioning slot 12, and the slot 13 is arranged at an angle of 30-45 degrees.

[0026] In this embodiment, the test piece 5 includes a detection head 51, a fixed sleeve 52 and a detection piece 53. The detection head 51 and the detection piece 53 are respectively arranged at the two ends of the fixed sleeve 52. The detection head 51 contacts and cooperates with the output end of the product to be tested. The outer surface of the fixed sleeve 52 is provided with an anti-slip pattern 54. The anti-slip pattern 54 is pressed and fitted with the locking piece 8. The anti-slip pattern 54 has a number of protrusions, and the number of protrusions are in limited contact with one end of the locking piece 8.

[0027] The working principle of this utility model:

[0028] Before the test, the pressing drive device 2 is in a retracted state, the pressing assembly 3 is opened, and the staff or the manipulator puts the product to be tested into the positioning groove 12 of the fixing seat 1. The pressing drive device 2 is pushed out to make the push plate 9 move upward, and the elastic member 35 of the pressing drive device 2 pushes one end of the pressing block 33 to rotate close to the product to be tested. At the same time, the conducting assembly 4 moves upward close to the access end of the product to be tested until the probe 44 of the conducting assembly 4 contacts the access end of the product to be tested to transmit the signal, and the test piece 5 receives the sound of the product test to complete the detection.

[0029] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A press-fit contact linkage structure, characterized in that: It comprises a fixing seat (1), a pressing drive device (2), a pressing assembly (3), a conducting assembly (4) and a test piece (5), wherein the pressing drive device (2) is arranged on one side of the fixing seat (1), a push plate (9) is arranged at the movable end of the pressing drive device (2), the pressing assembly (3) and the conducting assembly (4) are arranged at the two ends of the pushing plate (9), respectively, the fixing seat (1) is provided with a positioning hole (6) and a clearance groove (7), the conducting assembly (4) is arranged in the clearance groove (7), the test piece (5) cooperates with the positioning hole (6) through a locking piece (8), the pressing assembly (3) is pressed and limited with the product to be tested, the conducting assembly (4) is connected with the product to be tested, and one end of the test piece (5) is closely fitted with the product to be tested for detection.

2. A press-fit contact linkage structure according to claim 1, characterized in that: The pressing assembly (3) comprises a fixed column (31), a rotating block (32), a pressing block (33), a guide member (34) and an elastic member (35); the fixed column (31) is slidably matched with the push plate (9); the rotating block (32) is fixedly connected to one end of the fixed column (31); the elastic member (35) is sleeved on the fixed column (31); one end of the elastic member (35) is pushed and matched with the rotating block (32); the other end of the elastic member (35) is supported and matched with the push plate (9); the guide member (34) is fixedly connected to the upper end of the fixed seat (1); the rotating block (32) and the guide member (34) are both provided with a rotating shaft (36); one end of the pressing block (33) is provided with two groups of openings, the two groups of openings are respectively connected to the two groups of rotating shafts (36); the other end of the pressing block (33) is provided with a pressing column (37), and the pressing column (37) is limitedly pressed and tightly pressed with the product to be tested.

3. A press-fit contact linkage structure according to claim 2, characterized in that: The pressing block (33) is provided with a fixing portion, a bending portion and a pressing portion, the two groups of openings are provided on the fixing portion, one end of the bending portion is connected to the fixing portion, the other end of the bending portion is connected to the pressing portion, and one end of the pressing portion that cooperates with the pressing column (37) is provided with a guide hole, and the guide hole is connected to the pressing column (37).

4. A press-fit contact linkage structure according to claim 3, characterized in that: An angle of 20-45 degrees is set between the pressing portion and the bending portion.

5. The press-fit contact linkage structure according to claim 1, characterized in that: The conduction assembly (4) comprises a connecting plate (41), a limiting seat (42), two groups of limiting screws (43) and two groups of probes (44); the limiting seat (42) is connected to the push plate (9) via the two groups of limiting screws (43); one end of the connecting plate (41) is connected to the bottom of the limiting seat (42); the other end of the connecting plate (41) is connected to an external control mechanism; the limiting seat (42) is provided with two groups of reserved holes; the two groups of probes (44) pass through the reserved holes to be conduction-connected with the connecting plate (41); and the two groups of probes (44) are in contact with and cooperate with the access end of the product to be tested.

6. The press-fit contact linkage structure according to claim 1, characterized in that: The fixing seat (1) is provided with a first guide groove (11) and a positioning groove (12), wherein the first guide groove (11) is adapted to the push plate (9), and the positioning groove (12) is provided above the fixing seat (1) and is adapted to the product to be tested.

7. A press-fit contact linkage structure according to claim 6, characterized in that: A slot (13) is provided on one side of the positioning slot (12), and the slot (13) is arranged at an angle of 30-45 degrees.

8. The press-fit contact linkage structure according to claim 1, characterized in that: The test piece (5) comprises a detection head (51), a fixed sleeve (52) and a detection piece (53); the detection head (51) and the detection piece (53) are respectively arranged at two ends of the fixed sleeve (52); the detection head (51) contacts and cooperates with an output end of a product to be tested; an outer surface of the fixed sleeve (52) is provided with anti-slip grooves (54); the anti-slip grooves (54) are pressed and fitted with the locking piece (8).

Images