CN202695861U - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN202695861U CN202695861U CN201220410415.2U CN201220410415U CN202695861U CN 202695861 U CN202695861 U CN 202695861U CN 201220410415 U CN201220410415 U CN 201220410415U CN 202695861 U CN202695861 U CN 202695861U
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- electric connector
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- collets
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- 238000005452 bending Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract 3
- 210000001503 joint Anatomy 0.000 abstract 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
An electric connector is suitable for the connector comprising a spring sheet terminal and especially relates to a QSFP. The electric connector comprises an insulation body and several conductive terminals installed in the insulation body. The insulation body comprises a butt joint surface and a first accommodation chamber which passes through the butt joint surface. The several conductive terminals comprise several first conductive terminals located on an upper line and several second conductive terminals located on a lower line. The first conductive terminals comprise several first grounding terminals and several first signal terminals. The second conductive terminals comprise several second grounding terminals and several second signal terminals. The electric connector also comprises a grounding piece which makes the first grounding terminals and the second grounding terminals connect together. Therefore, through connecting the first grounding terminals and the second grounding terminals, a potential difference of the each grounding terminals is 0 so that signal crosstalk (cross-talk) is reduced and a high-frequency transmission capability is increased.
Description
Technical field
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that is installed on the circuit board.
Background technology
The prior art relevant with the utility model sees also the United States Patent (USP) US8 of bulletin on March 27th, 2012, and 142,207B1 number, this patent has disclosed a kind of electric connector, and it comprises insulating body and is assembled in the interior some conducting terminals of insulating body.Described conducting terminal comprises row's terminal and lower row's terminal, and described upper row's terminal comprises some upper earth terminals and some upper signal terminals, and described lower row's terminal comprises some lower earth terminals and some lower signal terminals.Yet described upper earth terminal and lower earth terminal separate, thereby shield effectiveness is poor.Particularly, when the electric connector of this design is applied to high-frequency transmission, can produce serious signal cross-talk (cross-talk).In addition, described upper row's terminal and lower row's terminal include an elastic contact arm and are positioned at the contact site of this elastic contact arm end.Yet the gradient of this elastic contact arm is less, and the contact site place is less perpendicular to the confining force (unmating force) of contact site, easily causes unstable with docking of butt connector.
Therefore, be necessary existing technology is improved, to overcome above technical problem.
The utility model content
The purpose of this utility model is to provide the electric connector that a kind of signal cross-talk is low, the high-frequency transmission ability is better.
Realize above-mentioned purpose for solving, the utility model adopts following technical scheme: a kind of electric connector, it comprises insulating body and is installed on the interior some conducting terminals of insulating body, described insulating body comprises interface, run through the first host cavity of interface and run through interface and be positioned at the second host cavity of the first host cavity below, wherein said the first host cavity is in order to accommodate the hyoplastron of butt connector, described the second host cavity is in order to accommodate the location-plate of described butt connector, described some conducting terminals comprise some the first conducting terminals that are positioned at row and some the second conducting terminals that are positioned at lower row, described the first conducting terminal comprises the first contact site that extends down in the first host cavity, described the second conducting terminal comprises the second contact site that extends upwardly in the first host cavity, described the first conducting terminal comprises some the first earth terminals and some first signal terminals, described the second conducting terminal comprises some the second earth terminals and some secondary signal terminals, and described electric connector also comprises a ground strip that the first earth terminal and the second earth terminal are all linked together.
As the further improved technical scheme of the utility model, described ground strip comprises body, some the first contact fingers that extend from the body rear end and some the second contact fingers that extend from the body front end, wherein the first contact finger contacts with the first earth terminal, and the second contact finger contacts with the second earth terminal.
As the further improved technical scheme of the utility model, described the first contact finger and the second contact finger all are cantilever-shaped, and described the first contact finger bends downwards, and described the second contact finger is bending upwards.
As the further improved technical scheme of the utility model, described insulating body comprises the rear surface relative with interface and runs through the second mounting groove of this rear surface, described electric connector comprises and being coated on described the second conducting terminal to integrate the second collets of described the second conducting terminal, described the second collets are contained in the second mounting groove, and described ground strip is fixed on the second collets.
As the further improved technical scheme of the utility model, described the second collets comprise the upper surface and run through at least one holddown groove of this upper surface, the body of described ground strip adheres on this upper surface, and described ground strip also comprises from body and bends and be fastened in stator in the described holddown groove downwards.
As the further improved technical scheme of the utility model, described insulating body comprises the first mounting groove that runs through this rear surface and be positioned at the second mounting groove top, described electric connector comprises and being coated on described the first conducting terminal to integrate the first collets of described the first conducting terminal, and described the first collets are contained in the first mounting groove.
As the further improved technical scheme of the utility model, described the second collets comprise rear end face and are arranged at the location notch that the some intervals on the described rear end face arrange, and described the first earth terminal and the first contact finger all extend in the location notch and come in contact in these location notchs.
As the further improved technical scheme of the utility model, the rear surface of described insulating body is provided with the some stopper slots that align with described location notch in the vertical direction, and described the first earth terminal is contained in the corresponding stopper slot.
As the further improved technical scheme of the utility model, described the first conducting terminal comprises the first cantilever-shaped contact arm, described the first contact site is on this first contact arm, described the first contact arm also comprises and is positioned at the first contact site rear end and the bending first fold turn of bilge of inflection downwards more upwards, described the second conducting terminal comprises the second cantilever-shaped contact arm, described the second contact site is on this second contact arm, and described the second contact arm also is provided with and is positioned at again the second bending part of inflection upwards of the second contact site rear end and downward bending.
As the further improved technical scheme of the utility model, described first fold turn of bilge is provided with the first summit, described the second kink is provided with the second summit, and the height between described the first summit and described the second summit is greater than the height between the first contact site and the second contact site.
Compared with prior art, the utility model electric connector is provided with the ground strip that the first earth terminal and the second earth terminal are linked together, and so arranges, and has reduced signal cross-talk (cross-talk), has improved the high-frequency transmission ability.
Description of drawings
Fig. 1 is the stereogram of the utility model electric connector.
Fig. 2 is the stereogram of another angle of Fig. 1.
Fig. 3 is the stereogram of the insulating body of electric connector among Fig. 1.
Fig. 4 is that insulating body among Fig. 3 is in the stereogram of another angle.
Fig. 5 is the stereogram of first, second terminal module of electric connector among Fig. 1.
Fig. 6 is the end view of first, second terminal module among Fig. 5.
Fig. 7 is the stereogram of the first terminal module among Fig. 5.
Fig. 8 is the stereogram of the second terminal module among Fig. 5.
Fig. 9 is the stereogram of first, second collets in first, second terminal module among Fig. 5.
Figure 10 is the stereogram that some the first conducting terminals, the second terminal module and the ground strip of the first terminal module cooperates each other.
Figure 11 is the stereogram that some the first conducting terminals and the ground strip of the first terminal module cooperates each other.
Figure 12 is the stereogram of ground strip among Figure 10.
Embodiment
Please refer to the drawing 1 and shown in Figure 2, the utility model have disclosed a kind of electric connector 100, and it comprises insulating body 1 and is installed on some conducting terminals 2 in the insulating body 1.In the illustrated embodiment, described electric connector 100 is QSFP (Quad Small Form-factor Pluggable) plate terminal adapter, and it carries out transfer of data in order to cooperate with butt connector (not shown).Described conducting terminal 2 can be installed in the insulating body 1 by direct-insert mode, and perhaps the form by the terminal module is installed in the insulating body 1 (being detailed later).
Please refer to the drawing 1 is to shown in Figure 4, described insulating body 1 comprise interface 11, with respect to the rear surface 12 of interface 11, run through interface 11 the first host cavity 111, run through interface 11 and be positioned at the first host cavity 111 belows the second host cavity 112, run through the first mounting groove 121 of rear surface 12 and run through rear surface 12 and be positioned at the second mounting groove 122 of the first mounting groove 121 belows.On entity structure, described insulating body 1 comprises roof 13, diapire 14, two side 15 and a pair of supporting walls 16 to downward-extension from diapire 14 both sides, wherein said the first host cavity 111 is surrounded jointly by described roof 13, diapire 14 and two side 15, and described the second host cavity 112 is surrounded jointly by described diapire 14 and supporting walls 16.Described the first host cavity 111 is in order to accommodate the hyoplastron of butt connector, and described the second host cavity 112 is in order to accommodate the location-plate of described butt connector.The upper and lower surface of the hyoplastron of butt connector is equipped with flat metal gasket, in order to contact to realize transfer of data with conducting terminal 2.
Described roof 13 is provided with some the first terminal accepting grooves 131 that are communicated with the first host cavity 111, and described the first terminal accepting groove 131 further upwards runs through described roof 13, to provide conducting terminal 2 enough deformation spaces.Similarly, described diapire 14 is provided with some the second terminal containing slots 141 that are communicated with the second host cavity 112, and described the second terminal containing slot 141 further runs through described diapire 14 downwards, to provide conducting terminal 2 enough deformation spaces.Each supporting walls 16 is provided with the reference column 161 of downward protrusion, in order to described electric connector 100 is positioned on the circuit board.The rear surface 12 of described insulating body 1 is provided with the stopper slot 123 that some intervals arrange, in order to locate conducting terminal 2.
Please refer to the drawing 5 is to shown in Figure 8, and described conducting terminal 2 comprises some the first conducting terminals 21 that are positioned at row and some the second conducting terminals 22 that are positioned at lower row.In the illustrated execution mode of the utility model, for the ease of first, second conducting terminal 21,22 is installed, described electric connector 100 comprises and is coated on described the first conducting terminal 21 to integrate the first collets 3 of described the first conducting terminal 21, and is coated on described the second conducting terminal 22 to integrate the second collets 4 of described the second conducting terminal 22.Also can understand like this, described first, second conducting terminal 21,22 is inlayed respectively and is buried moulding (insert-molding) in first, second collets 3,4, so that assembling.
On structure, described the first conducting terminal 21 comprises cantilever-shaped and corresponding to the first contact arm 23 of the first terminal accepting groove 131, and described the first contact arm 23 comprises and extends into the first contact site 231 in the first host cavity 111 and be positioned at the first contact site 231 rear ends and the bending first fold turn of bilge 232 of inflection downwards more upwards.Described first fold turn of bilge 232 is provided with the first summit 233.Because the existence of described first fold turn of bilge 232, on the whole, the first contact arm 23 downward-sloping angles (being gradient) become large, that is to say, have greatly increased perpendicular to the component of the first contact site 231.Described the first contact arm 23 also comprises the first horizontal part 234 that extends back from first fold turn of bilge 232 and the first guidance part 235 that extends obliquely from the first contact site 231.In addition, described the first conducting terminal 21 comprises that also the first extension 236 that vertically extends from the first horizontal part 234 reaches from the first extension 236 successively horizontally extending the first weld part 237 downwards.
Similarly, described the second conducting terminal 22 comprises cantilever-shaped and corresponding to the second contact arm 24 of the second terminal containing slot 141, and described the second contact arm 24 comprises and extends into the second contact site 241 in the first host cavity 111 and be positioned at the second contact site 241 rear ends and downward bending the second bending part 242 of inflection upwards again.Described the second bending part 242 is provided with the second summit 243.Because the existence of described the second bending part 242, on the whole, it is large that the second contact arm 24 acclivitous angles (being gradient) become, and that is to say, greatly increased perpendicular to the component of the second contact site 241.Described the second contact arm 24 also comprises the second horizontal part 244 that extends back from the second bending part 242 and the second guidance part 245 that extends obliquely from the second contact site 241.In addition, described the second conducting terminal 22 comprises that also the second extension 246 that vertically extends from the second horizontal part 244 reaches from the second extension 246 successively horizontally extending the second weld part 247 downwards.
Can not carry again in the first horizontal part 234 height-limited systems, the height of the second horizontal part 244 be subjected to structural limitations can not be again in situation about descending, be in height H 3 situation that can not increase, first fold turn of bilge 232 and the second bending part 242 by bending again the mode of inflection improve the slope of the first contact arm 23 and the second contact arm 24.Because described first, second contact arm 23,24 gradient have increased, greatly increased perpendicular to first, second contact site 231,241 component, that is to say, the confining force of the conducting terminal 2 of the utility model electric connector 100 (unmating force) has increased.Extract the first host cavity 111 when interior when the hyoplastron of butt connector, it need to overcome larger confining force.The technique effect that brings thus is, the hyoplastron of butt connector can be by first, second contact arm 23,24 stable clampings, and then make transfer of data stable.Height H 1 between described the first summit 233 and described the second summit 243 is greater than the height H 2 between the first contact site 231 and the second contact site 232.Described the first horizontal part 234 and the second horizontal part 244 are parallel to each other, height H 3 between described the first horizontal part 234 and the second horizontal part 244 is greater than the height H 2 between the first contact site 231 and the second contact site 241, still less than the height H 1 between described the first summit 233 and described the second summit 243.Described the first guidance part 235 and the second guidance part 245 form horn mouth, in order to guide the insertion of butt connector hyoplastron.
Please refer to the drawing 10 and shown in Figure 11, from the terminal definition, described the first conducting terminal 21 comprises some the first earth terminals 251 and some first signal terminals 252, and described the second conducting terminal 22 comprises some the second earth terminals 261 and some secondary signal terminals 262.For the first earth terminal 251 and the second earth terminal 261 are coupled together to form larger screen, described electric connector 100 also comprises a ground strip 5.Some the second contact fingers 52 that shown in please refer to the drawing 12, described ground strip 5 comprises flat body 50, some the first contact fingers 51 that extend from body 50 rear ends, extend from body 50 front ends, and from the body both sides downward two stators 53 of bending.In the illustrated embodiment, described the first contact finger 51 and the second contact finger 52 all are cantilever-shaped, have the elasticity that foot has to guarantee it, increase the contact reliability with the first earth terminal 251 and the second earth terminal 261.Described the first contact finger 51 bends downwards, and in order to contact with the first earth terminal 251, described the second contact finger 52 upwards bends in order to contact with the second earth terminal 261.
Described the first collets 3 comprise the first inclined-plane 31 that is positioned at the upper end and at least one first lock projections 32 that is positioned at the side.Described the first inclined-plane 31 inserts in described the first mounting groove 121 in order to guide described the first collets 3, and described the first lock projections 32 is in order to compress mutually with fixing described the first collets 3 with described the first mounting groove 121.
Described the second collets 4 comprise the second inclined-plane 41 that is positioned at the lower end and are positioned at least one second lock projections 42 of side.Described the second inclined-plane 41 inserts in described the second mounting groove 122 in order to guide described the second collets 4, and described the second lock projections 42 is in order to compress mutually with fixing described the second collets 4 with described the second mounting groove 122.Described the second collets 4 comprise rear end face 43, be arranged at location notch 44, the upper surface 45 that the some intervals on the described rear end face 43 arrange and two holddown grooves 46 that run through this upper surface 45.The first extension 236 of described the first conducting terminal 21 is positioned in the corresponding location notch 44.Shown in please refer to the drawing 2, the setting of aliging respectively of described location notch 44 and the stopper slot 123 of insulating body 1, and in order to common location the first extension 236, to play better locating effect.Described the first contact finger 51 extends into equally in the part location notch 44 and is positioned at the front end of the first extension 236 of corresponding the first earth terminal 251, and the first extension 236 and first contact finger 51 of described the first earth terminal come in contact in these location notchs 44.Described the second contact finger 52 contacts with the second extension 246 of the second earth terminal 261.The length of described the second collets 4 is greater than the length of described the first collets 3, and therefore the second collets 4 have enough spaces location notch 44 is set.In addition, shown in please refer to the drawing 10, the body 50 of described ground strip 5 adheres on the upper surface 45, and described stator 53 is fastened in the holddown groove 46 realizing and fixes.In the illustrated embodiment, described ground strip 5 assemblings are fixed on the second collets 4, and certainly, in other embodiments, described ground strip 5 also can be fixed on the insulating body 1.
Need to prove, in the utility model electric connector 100, (that is to say in the position of 12 bottoms, corresponding insulating body 1 rear surface and escape to expect) owing to need to step down to the assembling of the second collets 4, in this case, the position of escaping to expect there is no stopper slot 123.Because the position of escaping to expect is again just near the first weld part 237, the length of adding the first extension 236 itself is larger, if location structure is not set, first extension 236 of leaving herein is exposed to the outside, will be difficult to because of the coplane degree of the first weld part 237 assurance, and have a strong impact on the welding effect of the first weld part 237.In order to address the above problem, the location notch 44 of location the first extension 236 is set by the rear end face 43 at the second collets 4, well solved long-standing technical problem in this area.In addition, by ground strip 5 the first earth terminal 251 and the second earth terminal 261 are all linked together, the potential difference that makes each earth terminal is 0, thereby has reduced signal cross-talk (cross-talk), has improved the high-frequency transmission ability.
In sum, above embodiment only be used for explanation the utility model and and the described technical scheme of unrestricted the utility model, although this specification has been described in detail the utility model with reference to the above embodiments, but, those of ordinary skill in the art is to be understood that, the person of ordinary skill in the field still can make amendment or is equal to replacement the utility model, and all do not break away from technical scheme and the improvement thereof of spirit and scope of the present utility model, all should be encompassed in the claim scope of the present utility model.
Claims (10)
1. an electric connector (100), it comprises insulating body (1) and is installed on the interior some conducting terminals (2) of insulating body (1), described insulating body (1) comprises interface (11), run through first host cavity (111) of interface (11) and run through interface (11) and be positioned at second host cavity (112) of the first host cavity (111) below, wherein said the first host cavity (111) is in order to accommodate the hyoplastron of butt connector, described the second host cavity (112) is in order to accommodate the location-plate of described butt connector, described some conducting terminals (2) comprise some the first conducting terminals (21) that are positioned at row and some the second conducting terminals (22) that are positioned at lower row, described the first conducting terminal (21) comprises the first contact site (231) that extends down in the first host cavity (111), described the second conducting terminal (22) comprises the second contact site (241) that extends upwardly in the first host cavity (111), it is characterized in that: described the first conducting terminal (21) comprises some the first earth terminals (251) and some first signal terminals (252), described the second conducting terminal (22) comprises some the second earth terminals (261) and some secondary signal terminals (262), and described electric connector (100) also comprises the ground strip (5) that the first earth terminal (251) and the second earth terminal (261) are all linked together.
2. electric connector as claimed in claim 1, it is characterized in that: described ground strip (5) comprises body (50), some the first contact fingers (51) that extend from the body rear end and some the second contact fingers (52) that extend from the body front end, wherein the first contact finger (51) contacts with the first earth terminal (251), and the second contact finger (52) contacts with the second earth terminal (261).
3. electric connector as claimed in claim 2, it is characterized in that: described the first contact finger (51) and the second contact finger (52) all are cantilever-shaped, and described the first contact finger (51) is bending downwards, and described the second contact finger (52) is bending upwards.
4. electric connector as claimed in claim 2, it is characterized in that: described insulating body (1) comprises the rear surface (12) relative with interface (11) and runs through second mounting groove (122) of this rear surface (12), described electric connector (100) comprises that being coated on described the second conducting terminal (22) goes up to integrate second collets (4) of described the second conducting terminal, described the second collets (4) are contained in the second mounting groove (122), and described ground strip (5) is fixed on the second collets (4).
5. electric connector as claimed in claim 4, it is characterized in that: described the second collets (4) comprise upper surface (45) and run through at least one holddown groove (46) of this upper surface, the body (50) of described ground strip (5) adheres on this upper surface (45), and described ground strip (5) also comprises the stator (53) in body (50) bends and be fastened in described holddown groove (46) downwards.
6. electric connector as claimed in claim 4, it is characterized in that: described insulating body (1) comprises the first mounting groove (121) that runs through this rear surface (12) and be positioned at the second mounting groove (122) top, described electric connector (100) comprises that being coated on described the first conducting terminal (21) goes up to integrate first collets (3) of described the first conducting terminal, and described the first collets (3) are contained in the first mounting groove (121).
7. electric connector as claimed in claim 4, it is characterized in that: described the second collets (4) comprise rear end face (43) and are arranged at the location notch (44) that the some intervals on the described rear end face arrange, and described the first earth terminal (251) and the first contact finger (51) all extend in the location notch (44) and come in contact in these location notchs (44).
8. electric connector as claimed in claim 7, it is characterized in that: the rear surface (12) of described insulating body (1) is provided with the some stopper slots (123) that align with described location notch (44) in the vertical direction, and described the first earth terminal (251) is contained in the corresponding stopper slot (123).
9. such as the described electric connector of any one in the claim 1 to 8, it is characterized in that: described the first conducting terminal (21) comprises cantilever-shaped the first contact arm (23), described the first contact site (231) is positioned on this first contact arm (23), described the first contact arm (23) also comprises and is positioned at the first contact site (231) rear end and the bending first fold turn of bilge (232) of inflection downwards more upwards, described the second conducting terminal (22) comprises cantilever-shaped the second contact arm (24), described the second contact site (241) is positioned on this second contact arm (24), and described the second contact arm (24) also is provided with and is positioned at again second bending part (242) of inflection upwards of the second contact site (241) rear end and downward bending.
10. electric connector as claimed in claim 9, it is characterized in that: described first fold turn of bilge (232) is provided with the first summit (233), described the second kink (242) is provided with the second summit (243), and the height (H1) between described the first summit (233) and described the second summit (243) is greater than the height (H2) between the first contact site (231) and the second contact site (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220410415.2U CN202695861U (en) | 2012-08-18 | 2012-08-18 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220410415.2U CN202695861U (en) | 2012-08-18 | 2012-08-18 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695861U true CN202695861U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220410415.2U Expired - Lifetime CN202695861U (en) | 2012-08-18 | 2012-08-18 | Electric connector |
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| CN (1) | CN202695861U (en) |
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- 2012-08-18 CN CN201220410415.2U patent/CN202695861U/en not_active Expired - Lifetime
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Owner name: WENZHOU YIHUA CONNECTOR CO., LTD. Free format text: FORMER NAME: WENZHOU YIHUA COMMUNICATED CONNECTOR CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 325606 Zhejiang city of Wenzhou province Yueqing City Weng Yang Zhen West Industrial Zone Patentee after: WENZHOU YIHUA CONNECTOR Co.,Ltd. Address before: 325606 Zhejiang city of Wenzhou province Yueqing City Weng Yang Zhen West Industrial Zone Patentee before: WENZHOU YIHUA COMMUNICATED CONNECTOR Co.,Ltd. |
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Granted publication date: 20130123 |