CN203839545U - Electric connector applied to loudspeaker - Google Patents
Electric connector applied to loudspeaker Download PDFInfo
- Publication number
- CN203839545U CN203839545U CN201420208548.0U CN201420208548U CN203839545U CN 203839545 U CN203839545 U CN 203839545U CN 201420208548 U CN201420208548 U CN 201420208548U CN 203839545 U CN203839545 U CN 203839545U
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- Prior art keywords
- transmission terminal
- pedestal
- draw
- terminal
- main part
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Abstract
The utility model discloses an electric connector applied to a loudspeaker. The electric connector comprises a base, a transmission terminal, a fixation terminal and a knob assembly, wherein the transmission terminal and the fixation terminal are arranged in the base. The knob assembly comprises a plastic knob, a copper stud which is fixed in the plastic knob, and a nut which is fixed in the base. The transmission terminal is in an integral structure, and comprises a main body part, a pin part which extends downwards along the rear end of the main body part, a contact part which bends to one side and extends along the front end of the main body part, and an elastic pin which is formed on the lower end of the pin part. The contact part is arranged between the copper stud and the nut. A first through hole is arranged in the contact part, wherein the copper stud passes through the first through hole. A limiting part is arranged in the main body part. A clamping part which matches the limiting part is arranged in the base. A first support column which is used for supporting and positioning the pin part of the transmission terminal is formed on the rear end of the base. The first support column and the pin part of the transmission terminal are clamped and fixed. The electric connector provided by the utility model has the advantages of stable structure, high conducting performance, convenient use and strong market competitiveness.
Description
Technical field:
The utility model relates to connector product technical field, refers in particular to a kind of Stability Analysis of Structures, electric conductivity is high, easy to use, production cost is low, the market competitiveness is strong loud speaker electric connector.
Background technology:
Stereo set needs external loudspeaker (loud speaker) conventionally, so just the tone frequency channel wire on each loudspeaker need to be connected in the tone frequency channel wire connector (loud speaker electric connector) of stereo set.
Traditional loud speaker generally comprises with electric connector: a pedestal, be installed on transmission terminal and fixed terminal in pedestal, be arranged on pedestal and for the turn-knob assembly of external wire, turn-knob assembly comprises: a plastic cement turn-knob, the nut that is fixed on the copper stud in plastic cement turn-knob and coordinates with copper stud, this nut is fixed in pedestal, copper stud is connected with nut spiral through transmission terminal, makes copper stud and transmission terminal telecommunications connect.
Above-mentioned transmission terminal generally comprises two parts, and it inserts respectively from pedestal rear and front end respectively, then connects by its end anchors, so that is installed in pedestal.But can cause like this stability of transmission terminal not high, easily produce the phenomenon of rocking, and connect unstablely, can have a strong impact on the electric conductivity of whole transmission terminal, so that affect the work quality of whole loud speaker electric connector.In addition, because transmission terminal is divided into two parts, it has increased mould, has improved production cost, and assembles loaded down with trivial detailsly, is unfavorable for improving the market competitiveness.
In view of this, the inventor, through constantly experiment, has proposed following technical scheme.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of Stability Analysis of Structures, electric conductivity is high, easy to use, production cost is low, the market competitiveness is strong loud speaker electric connector are provided.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: this loud speaker comprises with electric connector: a pedestal, be installed on transmission terminal and fixed terminal in pedestal, be arranged on pedestal and for the turn-knob assembly of external wire and/or plug, this turn-knob assembly comprises: a plastic cement turn-knob, the nut that is fixed on the copper stud in plastic cement turn-knob and coordinates with copper stud, this nut is fixed in pedestal, described transmission terminal is integral type structure, it comprises: a main part, along the pin portion of the downward elongation moulding in main part rear end, along main part front end to the contact site of a lateral buckling elongation moulding and take shape in the resilient prongs of pin subordinate end, this contact site is arranged between copper stud and nut, wherein, in contact site, there is the first through hole passing for copper stud, in described main part, be provided with a limiting section, pedestal to position that should limiting section be provided with one with the clamped portion of limiting section adaptation, pedestal rear end is also formed with one and carries out the first support column of supporting and location for the pin portion to transmission terminal, the pin portion of this first support column and transmission terminal holds fixing.
Furthermore, in technique scheme, form at least one for strengthening the first fin of himself intensity in the main part of described transmission terminal, this first fin extends to the pin portion of transmission terminal.
Furthermore, in technique scheme, be provided with the first installation position that a contact site for described transmission terminal is installed in described pedestal, this first installation position one side is provided with the first draw-in groove; The contact site end moulding of described transmission terminal have a card, this card riveted is fixed in the first draw-in groove of described pedestal.
Furthermore, in technique scheme, described pedestal rear end is provided with forward in the contact site for described transmission terminal and passes, and connects the first terminal hole of described the first installation position, and this first terminal hole place is provided with the first stuck point as described clamped portion; In the main part of described transmission terminal, form the first spacing hole as described limiting section.
Furthermore, in technique scheme, the bending place between main part front end and the contact site of described transmission terminal forms second through hole for eliminating stress.
Furthermore, in technique scheme, the main part upper end of described transmission terminal and/or lower end are provided with the first barb for screens; The end face contacting with the first installation position in the contact site of described transmission terminal forms some the first convex closures.
Furthermore, in technique scheme, described the first support column end is provided with the second draw-in groove, the pin portion front end of described transmission terminal forms forward the first paired lug, between this first lug, disappear and be formed with and the 3rd draw-in groove of the second draw-in groove adaptation, the 3rd draw-in groove intersects and holds location with the second draw-in groove.
Furthermore, in technique scheme, described fixed terminal comprises: a main part, along the pin portion of the downward elongation moulding in main part lower end, along main part front end to the first kink of a lateral buckling elongation moulding, along the first extension of the first kink one side elongation moulding, take shape in pairs the clamped arm of elasticity of the first extension front end and take shape in the resilient prongs of pin subordinate end, the clamped arm of this elasticity is embedded in pedestal; Described pedestal upper end forms the first protuberance, and this first protuberance rear end face offers forward the embedded slot for the clamped arm inlay card of described elasticity.
Furthermore, in technique scheme, form a breach that is U font between the clamped arm of described elasticity, the clamped arm of this elasticity outside forms the second barb for locating, and the clamped arm of elasticity upper surface forms the second convex closure; In the main part of described fixed terminal, form at least one for strengthening the second fin of himself intensity, this second fin extends to the pin portion of fixed terminal.
Furthermore, in technique scheme, described pedestal rear end is also formed with one and carries out the second support column of supporting and location for the pin portion to fixed terminal, this the second support column end is provided with the 4th draw-in groove, the both sides of the pin portion of described fixed terminal all outwards form the second paired lug, between this second lug, disappear and be formed with the 5th draw-in groove, the pin portion of fixed terminal is placed in the 5th draw-in groove in pin portion both sides second lug of fixed terminal in the 4th draw-in groove and holds the both sides of the 4th draw-in groove in described the second support column.
Adopt after technique scheme, the utility model has following beneficial effect compared with prior art:
1, the transmission terminal in the utility model and fixed terminal are integral structure, its stability is high, there will not be as traditional transmission terminals by two part combinations and occur rocking, coming off to wait connects unsettled phenomenon, consequently can greatly improve electric conductivity of the present utility model and useful life.
2, the transmission terminal in the utility model and fixed terminal are integral structure, and it can be reduced to mould and save material, reduces production costs, and also can save assembling manually, improve packaging efficiency, are conducive to improve the market competitiveness.
Brief description of the drawings:
Fig. 1 is stereogram of the present utility model;
Fig. 2 is the stereogram at another visual angle of the utility model;
Fig. 3 is three-dimensional exploded view of the present utility model;
Fig. 4 is structural representation of the present utility model;
Fig. 5 is use view of the present utility model;
Fig. 6 is the stereogram of transmission terminal in the utility model;
Fig. 7 is the stereogram at another visual angle of transmission terminal in the utility model;
Fig. 8 is the schematic diagram of the utility model number of assembling steps first step;
Fig. 9 is the schematic diagram of the utility model number of assembling steps second step;
Figure 10 is the schematic diagram of the utility model number of assembling steps the 3rd step;
Figure 11 is the schematic diagram of the utility model number of assembling steps the 4th step;
Figure 12 is the schematic diagram of the utility model number of assembling steps the 5th step;
Figure 13 is the schematic diagram of the utility model number of assembling steps the 6th step;
Figure 14 is the schematic diagram of the utility model number of assembling steps the 7th step;
Figure 15 is the schematic diagram of the utility model number of assembling steps the 8th step;
Figure 16 is the schematic diagram of the utility model number of assembling steps the 9th step;
Embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
Shown in Fig. 1-7, be a kind of loud speaker electric connector, it comprises: a pedestal 1, be installed on transmission terminal 2 and fixed terminal 3 in pedestal 1, be arranged on pedestal 1 and for the turn-knob assembly 4 of external wire and/or plug.
Described turn-knob assembly 4 comprises: a plastic cement turn-knob 41, the nut 43 that is fixed on the copper stud 42 in plastic cement turn-knob 41 and coordinates with copper stud 42, and this nut 43 is fixed in pedestal 1, and the thread segment of this copper stud 42 is connected with nut 43 spirals.The other end of described copper stud 42 relative thread segments is provided with the jack inserting for plug, and this jack is in communication with the outside.In described plastic cement turn-knob 41, be provided with plug 44 in an annular.
On described pedestal 1, be formed with installation position 10, be provided with the through hole 100 assembling for nut 43 in installation position 10.Described installation position 10 is also provided with the body 105 mating with knob 3, offers the breach 106 passing for tone frequency channel wire on body 105.
Again referring to Fig. 6, shown in 7, described transmission terminal 2 is integral type structure, it comprises: a main part 21, along the pin portion 22 of the main part 21 downward elongation mouldings in rear end, contact site 23 along from main part 21 front ends to a lateral buckling elongation moulding and take shape in the resilient prongs 24 of pin portion 22 lower ends, this contact site 23 is arranged between copper stud 42 and nut 43, wherein, in contact site 23, there is the first through hole 231 passing for copper stud 42, in described main part 21, be provided with a limiting section 211, pedestal 1 to position that should limiting section 211 be provided with one with the clamped portion 101 of limiting section 211 adaptations.
In described pedestal 1, be provided with first installation position 102 of installing for the contact site 23 of described transmission terminal 2, this first installation position 102 is arranged in the hole wall place of described installation position 10 through holes 100.These the first installation position 102 1 sides are provided with the first draw-in groove 103; The contact site 23 end moulding of described transmission terminal 2 have a card 232, these card 232 riveteds are fixed in the first draw-in groove 103 of described pedestal 1, make stable being installed in the first installation position 102 of contact site 23 of transmission terminal 2.
Described pedestal 1 rear end is provided with forward in the contact site 23 for described transmission terminal 2 and passes, and connects the first terminal hole 104 of described the first installation position 102, and these 104 places, the first terminal hole are provided with the first stuck point as described clamped portion 101; In the main part 21 of described transmission terminal 2, form the first spacing hole as described limiting section 211.
Described pedestal 1 rear end is also formed with one and carries out the first support column 11 of supporting and location for the pin portion 22 to transmission terminal 2, and this first support column 11 holds fixing with the pin portion 22 of transmission terminal 2.Particularly, described the first support column 11 ends are provided with the second draw-in groove 111, pin portion 22 front ends of described transmission terminal 2 form forward the first paired lug 221, between this first lug 221, disappear and be formed with and the 3rd draw-in groove of the second draw-in groove 111 adaptations, the 3rd draw-in groove intersects and holds location with the second draw-in groove 111.
In the main part 21 of described transmission terminal 2, form at least one for strengthening the first fin 212 of himself intensity, this first fin 212 extends to the pin portion 22 of transmission terminal 2, to strengthen the hardness of whole transmission terminal 2, make transmission terminal 2 there will not be unexpected bending phenomenon in assembling process, ensure the stability that transmission terminal 2 is assembled.
Bending place between main part 21 front ends and the contact site 23 of described transmission terminal 2 forms second through hole 213 for eliminating stress, makes between main part 21 and contact site 23 bending convenient.
Main part 21 upper ends of described transmission terminal 2 and/or lower end are provided with the first barb 214 for screens, and this first barb 214 and the 104 lower end interferences of the first terminal hole, to form location.
The end face contacting with the first installation position 102 in the contact site 23 of described transmission terminal 2 forms some the first convex closures 233, and this first convex closure 233 is positioned at the periphery of the first through hole 231.The end face of this contact site 23 can brush plating gold or imitative gold so that lower production cost.
Described fixed terminal 3 comprises: a main part 31, along the pin portion 32 of the main part 31 downward elongation mouldings in lower end, the first kink 33 along from main part 31 front ends to a lateral buckling elongation moulding, along the first extension 34 of the first kink 33 1 side elongation mouldings, take shape in pairs the clamped arm 35 of elasticity of the first extension 34 front ends and take shape in the resilient prongs 36 of pin portion 32 lower ends, the clamped arm 35 of this elasticity is embedded in pedestal 1; Described pedestal 1 upper end forms the first protuberance 12, and these the first protuberance 12 rear end faces offer forward the embedded slot 121 for clamped arm 35 inlay cards of described elasticity.These the first protuberance 121 front end faces offer a socket 122 backward, and this socket 122 is communicated with embedded slot 121, and the inner side of the clamped arm 35 of this elasticity is revealed in socket 122.
Between the clamped arm 35 of described elasticity, form a breach that is U font, the clamped arm of this elasticity 35 outsides form the second barb 351 for locating, and the cell wall interference with embedded slot 121 by this second barb 351, and the clamped arm of this elasticity 35 upper surfaces form the second convex closure 352, make the clamped arm 35 of elasticity and the first protuberance 12 form stable assembling.
In the main part 31 of described fixed terminal 3, form at least one for strengthening the second fin 37 of himself intensity, this second fin 37 extends to the pin portion 32 of fixed terminal 3, to strengthen the hardness of whole fixed terminal 3, make fixed terminal 3 there will not be unexpected bending phenomenon in assembling process, ensure the stability that fixed terminal 3 is assembled.
Described pedestal 1 rear end is also formed with one and carries out the second support column 13 of supporting and location for the pin portion 32 to fixed terminal 3, these the second support column 13 ends are provided with the 4th draw-in groove 131, the both sides of the pin portion 32 of described fixed terminal 3 all outwards form the second paired lug 321, between this second lug 321, disappear and be formed with the 5th draw-in groove, the pin portion 32 of fixed terminal 3 is placed in the 4th draw-in groove 131, the 5th draw-in groove in pin portion 32 both sides second lugs 321 of fixed terminal 3 holds the both sides of the 4th draw-in groove 131 in described the second support column 13, making fixed terminal 3 stablize is assemblied in pedestal 1.
Transmission terminal 2 in the utility model and fixed terminal 3 are when unassembled, and entirety is to be all en plaque, and all have material strip 200,300.
The utility model assembling comprises the following steps:
The first step, shown in Figure 8, nut is fixed in the tank 100 of pedestal 1.
Second step, shown in Figure 9, transmission terminal 2 is inserted from the first terminal hole 104 of pedestal 1 rear end, until transmission terminal 2 stretches out in the first installation position of pedestal 1, now, remove the material strip 200 of transmission terminal 2.
The 3rd step, shown in Figure 10, advance transmission terminal 2 at this, make in the main part 21 of transmission terminal 2 location that fastens as the clamped portion in the first spacing hole of described limiting section and the first terminal hole 104 of pedestal 1, in addition, the 3rd draw-in groove forming in the pin portion 22 of described transmission terminal 2 intersects and holds location with the second draw-in groove 111 of the first support column 11 ends.
The 4th step, shown in Figure 11, bending transmission terminal 2 front ends form described contact site 23 to 90 degree, make contact site 23 be fixed in the first installation position 102, and the described nut 43 of the end face of contact site 23 laminating.
The 5th step, shown in Figure 12, in bending transmission terminal 2, card 232 to 90 degree of contact site 23 front ends, make card 232 riveteds be fixed in the first draw-in groove 103 of described the first installation position 102 1 sides, make stable being installed in the first installation position 102 of contact site 23 of transmission terminal 2.
The 6th step, shown in Figure 13, bending fixed terminal 3 upper ends, make the first kink 33, the first extension 34, the paired clamped arm 35 of elasticity all vertical with main part 31, then crop material strip.
The 7th step, shown in Figure 14, the embedded slot 121 of transmission terminal 2 first protuberance 12 rear end faces from pedestal 1 is inserted, until the 5th draw-in groove of pin portion 32 both sides of fixed terminal 3 holds the both sides of the 4th draw-in groove 131 in described the second support column 13, make fixed terminal 3 stablize and be assemblied in pedestal 1, now, the inner side of the clamped arm 35 of elasticity is revealed in the socket 122 arranging in the first protuberance 12.
The 8th step, shown in Figure 15, turn-knob assembly 4 is installed in the installation position 10 of pedestal 1, wherein, in turn-knob assembly 4, the thread segment of copper stud 42 is connected with nut spiral, and thread segment passes and be revealed in pedestal rear end face.
The 9th step, shown in Figure 16, the thread segment end that passes and be revealed in the copper stud 42 of pedestal 1 rear end face is flattened, to prevent that the thread segment in copper stud 42 from exiting nut, assembling completes.
Shown in Fig. 5, the utlity model has following two kinds of occupation modes:
First kind of way: rotate described plastic cement turn-knob 41, make plastic cement turn-knob 41 segment distance that moves up, insert again wire between copper stud 42 and the contact site 23 of transmission terminal 2, then reverse rotation plastic cement turn-knob 41, wire is fixed between copper stud 42 and the contact site 23 of transmission terminal 2, makes wire 201 form and be electrically connected with the contact site 23 of transmission terminal 2.
The second way: directly external plug 202 is inserted in the jack of copper stud 42 upper ends, can realize with transmission terminal 2 and form and be electrically connected.
Thus, the utility model can directly insert plug and use, and also the available compression wire of crossing uses, so that the utility model is more convenient to use, to meet different instructions for uses.
Certainly, the foregoing is only specific embodiment of the utility model, be not to limit the utility model practical range, all according to equivalence variation or modification that described in the utility model claim, structure, feature and principle are done, all should be included in the utility model claim.
Claims (10)
1. loud speaker electric connector, comprise: a pedestal (1), be installed on transmission terminal (2) and fixed terminal (3) in pedestal (1), to be arranged at pedestal (1) upper and for the turn-knob assembly (4) of external wire and/or plug, this turn-knob assembly (4) comprising: a plastic cement turn-knob (41), the nut (43) that is fixed on the copper stud (42) in plastic cement turn-knob (41) and coordinates with copper stud (42), this nut (43) is fixed in pedestal (1)
It is characterized in that: described transmission terminal (2) is integral type structure, it comprises: a main part (21), along the pin portion (22) of the downward elongation moulding in main part (21) rear end, contact site (23) along from main part (21) front end to a lateral buckling elongation moulding and take shape in the resilient prongs (24) of pin portion (22) lower end, this contact site (23) is arranged between copper stud (42) and nut (43), wherein, in contact site (23), there is the first through hole (231) passing for copper stud (42), in described main part (21), be provided with a limiting section (211), pedestal (1) is provided with a clamped portion (101) adaptive with limiting section (211) to position that should limiting section (211), pedestal (1) rear end is also formed with one and carries out first support column (11) of supporting and location for the pin portion (22) to transmission terminal (2), this first support column (11) holds fixing with the pin portion (22) of transmission terminal (2).
2. loud speaker electric connector according to claim 1, it is characterized in that: in the main part (21) of described transmission terminal (2), form at least one for strengthening first fin (212) of himself intensity, this first fin (212) extends to the pin portion (22) of transmission terminal (2).
3. loud speaker electric connector according to claim 1, it is characterized in that: in described pedestal (1), be provided with the first installation position (102) that a contact site (23) for described transmission terminal (2) is installed, these the first installation position (102) one sides are provided with the first draw-in groove (103); Contact site (23) the end moulding of described transmission terminal (2) have a card (232), this card (232) riveted is fixed in first draw-in groove (103) of described pedestal (1).
4. loud speaker electric connector according to claim 1, it is characterized in that: described pedestal (1) rear end is provided with forward in passing for the contact site (23) of described transmission terminal (2), and connecting the first terminal hole (104) of described the first installation position (102), the first stuck point as described clamped portion (101) is located to be provided with in this first terminal hole (104); In (2) main part (21) of described transmission terminal, form the first spacing hole as described limiting section (211).
5. loud speaker electric connector according to claim 1, is characterized in that: the bending place between main part (21) front end and the contact site (23) of described transmission terminal (2) forms second through hole (213) for eliminating stress.
6. loud speaker electric connector according to claim 3, is characterized in that: main part (21) upper end of described transmission terminal (2) and/or lower end are provided with the first barb (214) for screens; The end face contacting with the first installation position (102) in the contact site (23) of described transmission terminal (2) forms some the first convex closures (233).
7. loud speaker electric connector according to claim 1, it is characterized in that: described the first support column (11) end is provided with the second draw-in groove (111), pin portion (22) front end of described transmission terminal (2) forms forward paired the first lug (221), between this first lug (221), disappear and be formed with three draw-in groove adaptive with the second draw-in groove (111), the 3rd draw-in groove intersects and holds location with the second draw-in groove (111).
8. according to the loud speaker electric connector described in claim 1-7 any one, it is characterized in that: described fixed terminal (3) comprising: a main part (31), along the pin portion (32) of the downward elongation moulding in main part (31) lower end, the first kink (33) along from main part (31) front end to a lateral buckling elongation moulding, along first extension (34) of the first kink (33) one side elongation mouldings, take shape in pairs the clamped arm of elasticity (35) of the first extension (34) front end and take shape in the resilient prongs (36) of pin portion (32) lower end, the clamped arm of this elasticity (35) is embedded in pedestal (1), described pedestal (1) upper end forms the first protuberance (12), and this first protuberance (12) rear end face offers forward the embedded slot (121) for the clamped arm of described elasticity (35) inlay card.
9. loud speaker electric connector according to claim 8, it is characterized in that: between the clamped arm of described elasticity (35), form a breach that is U font, the clamped arm of this elasticity (35) outside forms the second barb (351) for locating, and the clamped arm of elasticity (35) upper surface forms the second convex closure (352); In the main part (31) of described fixed terminal (3), form at least one for strengthening second fin (37) of himself intensity, this second fin (37) extends to the pin portion (32) of fixed terminal (3).
10. loud speaker electric connector according to claim 9, it is characterized in that: described pedestal (1) rear end is also formed with one and carries out second support column (13) of supporting and location for the pin portion (32) to fixed terminal (3), this the second support column (13) end is provided with the 4th draw-in groove (131), the both sides of the pin portion (32) of described fixed terminal (3) all outwards form paired the second lug (321), between this second lug (321), disappear and be formed with the 5th draw-in groove, the pin portion (32) of fixed terminal (3) is placed in the 5th draw-in groove in pin portion (32) both sides second lugs (321) of fixed terminal (3) in the 4th draw-in groove (131) and holds the both sides of the 4th draw-in groove (131) in described the second support column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208548.0U CN203839545U (en) | 2014-04-25 | 2014-04-25 | Electric connector applied to loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208548.0U CN203839545U (en) | 2014-04-25 | 2014-04-25 | Electric connector applied to loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839545U true CN203839545U (en) | 2014-09-17 |
Family
ID=51517345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208548.0U Expired - Fee Related CN203839545U (en) | 2014-04-25 | 2014-04-25 | Electric connector applied to loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918192A (en) * | 2015-07-10 | 2015-09-16 | 汉得利（常州）电子股份有限公司 | Welding-free loudspeaker |
| CN104967930A (en) * | 2015-07-10 | 2015-10-07 | 汉得利（常州）电子股份有限公司 | Installing structure for loudspeaker housing and pins |
-
2014
- 2014-04-25 CN CN201420208548.0U patent/CN203839545U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918192A (en) * | 2015-07-10 | 2015-09-16 | 汉得利（常州）电子股份有限公司 | Welding-free loudspeaker |
| CN104967930A (en) * | 2015-07-10 | 2015-10-07 | 汉得利（常州）电子股份有限公司 | Installing structure for loudspeaker housing and pins |
| CN104967930B (en) * | 2015-07-10 | 2018-08-28 | 汉得利（常州）电子股份有限公司 | The mounting structure of loudspeaker housing and pin |
| CN104918192B (en) * | 2015-07-10 | 2019-01-08 | 汉得利（常州）电子股份有限公司 | No-welding formula loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20210425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |