CN202695781U - Power supply connector - Google Patents
Power supply connector Download PDFInfo
- Publication number
- CN202695781U CN202695781U CN201220410530.XU CN201220410530U CN202695781U CN 202695781 U CN202695781 U CN 202695781U CN 201220410530 U CN201220410530 U CN 201220410530U CN 202695781 U CN202695781 U CN 202695781U
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- power supply
- groove
- supply terminal
- terminal
- insulating body
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Abstract
The utility model relates to a power supply connector and especially relates to a hard metric (HM) connector. The power supply connector comprises an insulation body and a power supply terminal accommodated in the insulation body. The insulation body is concavely provided with a plug hole used to accommodate a butt joint connector and a terminal groove which passes through the plug hole from front to back. The power supply terminal comprises a fixed part which is fixed in the terminal groove, a contact part and a welding pin. The power supply terminal is provided with a boss. The boss and a concave groove are interfered so as to form a limit structure. A surface of the boss is provided with a small prick or an embossment and the like which form the limit structure possessing an interference effect with the concave groove. The limit structure is used to increase a maintenance force of the terminal and a plastic cement.
Description
Technical field
The utility model relates to a kind of power connector, relates in particular to a kind of Hard Metric (HM) connector.
Background technology
Power connector has been widely used in electri forklift, Caddy, and tourist coach, electric yacht, the electric cleaning diji, mining electric locomotive, the UPS uninterrupted power supply is in the products such as the power communication railway system.Power connector generally comprises insulating body and is contained in the interior some power supply terminals of insulating body, and an end of power supply terminal is welded on the circuit board, and the other end contacts with butt connector, carries out power delivery between the said apparatus thereby make.The prior art relevant with this case can be announced a kind of power connector that discloses for 100429834C number with reference to Chinese invention patent, this power connector comprises the insulating body of lengthwise and is inserted in forward the interior some power supply terminals of insulating body, insulating body comprises base portion and the frame that protrudes out forward from base portion, frame is provided with to accommodate the spliced eye of butt connector, base portion offers pre-and post perforative terminal groove, and terminal groove and spliced eye are to perforation.The contact site that each power supply terminal comprises the isolated a pair of fixed head in a pair of left and right sides, protrude out forward from each fixed head and from each fixed head to downward-extension to be welded on the some welding foots on the circuit board, this top to fixed head is provided with a connecting piece, in the same vertical plane of each fixed head and contact site, fixed head is plugged in the terminal groove forward.
Yet, the insulating body of this power connector and the bond strength between the power supply terminal a little less than, when the product that circuit board is installed rocks or shakes, the easily relative insulating body of power supply terminal moves up and down, causing the position of power supply terminal in insulating body to produce changes, affect the effect that contacts of power supply terminal and butt connector, so that the power supply signal transmission reliability between butt connector and the circuit board is difficult to guarantee.
All are necessary to design a kind of new power connector, to solve the problems of the technologies described above.
The utility model content
The purpose of this utility model has been to provide a kind of power connector that can improve terminal and plastic cement confining force.
For realizing aforementioned purpose, the utility model adopts following technical scheme: a kind of power connector, it comprises insulating body and is contained in the interior power supply terminal of insulating body, described insulating body is concaved with to accommodate the spliced eye of butt connector and the terminal groove that connects with the spliced eye front and back, power supply terminal comprises the fixed part that is fixed in the terminal groove, self-retaining section one end extends into the contact site of spliced eye and the described insulating body of welding foot that the self-retaining section other end extends insulating body is provided with the card that connects with terminal groove, described fixed part upper punch is provided with and is contained in the lug that moves up and down with the restriction power supply terminal in the draw-in groove, described power supply terminal is provided with boss, boss and groove interference form position limiting structure, boss surface be provided with little puncture or the projection etc., form the position limiting structure with interference effect with groove, in order to improve terminal and plastic cement confining force.
As further improvement of the utility model, described insulating body is provided with the draw-in groove that is communicated with terminal groove, and described fixed part upper punch is provided with and is contained in the lug to avoid power supply terminal to move up and down in the draw-in groove.
As further improvement of the utility model, described draw-in groove runs through insulating body backward, and described lug is assembled in the draw-in groove before backward.
As further improvement of the utility model, described draw-in groove comprises front bulkhead, extand rearward to the top end wall of insulating body rear end face from the front bulkhead top and extand rearward to the base end wall of insulating body rear end face from the front bulkhead bottom, is being " コ " shape from rear to the above draw-in groove of front direction.
As further improvement of the utility model, described terminal groove has left inside wall and right inside wall, described draw-in groove is formed on left inside wall or the right inside wall, the height of described lug and length are all less than the draw-in groove of insulating body, have the recess that stays after the formation lug on the described fixed part, described lug comprises that reaching backward the rake that extends laterally from recessed medial margin reaches the horizontal part that extends back from rake.
As further improvement of the utility model, described power supply terminal comprises isolated three power supply terminals in the left and right sides, from left to right, be followed successively by the first power supply terminal, the second source terminal, the 3rd power supply terminal, these three power supply terminals are parallel to each other, each power supply terminal is vertical laminated structure, the length of the contact site of second source terminal less than the length of the contact site of the first power supply terminal greater than the length of the contact site of the 3rd power supply terminal, and the gap of the length of adjacent two contact sites equates, described the first power supply terminal, the second source terminal, lug on the 3rd power supply terminal all extension in the same direction forms.
As further improvement of the utility model, described contact site comprises the narrow section that extend forward at the middle part of wide of linking to each other with fixed part and the section of comforting oneself, on above-below direction, the height of wide section is roughly three times of narrow section, wide of first, second power supply terminal equates, and the narrow section of the first power supply terminal is greater than the narrow section of second source terminal; The wide section of second source terminal is greater than the wide section of the 3rd power supply terminal, and narrow of second, third power supply terminal equates.
As further improvement of the utility model, described insulating body comprises the installation portion that is positioned at the rear end and the frame that protrudes out forward from this installation portion, frame comprises the two side of roof, diapire, connection roof and diapire and encloses the described spliced eye that forms by roof, diapire and two side, and described contact site comprises along left and right directions and being in line and unsettled some contact sites in spliced eye.
As further improvement of the utility model, described installation portion comprises main part, autonomous body is the convex extension part that protrudes out of level backward, supporting bracket, supporting bracket is positioned at the below of this convex extension part, form a release groove between convex extension part and the supporting bracket, the below of insulating body installation portion is formed with the installing space of accommodating circuit board, supporting bracket separates this release groove and installing space between the upper and lower, this release groove runs through installation portion along left and right directions, lateral observation, release groove is " コ " shape, and at left and right directions, each terminal groove runs through respectively supporting bracket on front and back and above-below direction, partial fixing section is exposed to release groove, and draw-in groove extands rearward to the rear end face of convex extension part.
As further improvement of the utility model, described power connector is formed with to accommodate the installing space of circuit board below installation portion, the welding foot of power supply terminal extends down in the installing space in order to be welded on the circuit board, installation portion is higher than the diapire of frame, so that connect before and after spliced eye and the installing space, installation portion also has in the installing space of extending down into and the isolated a pair of reference column in the left and right sides, reference column is positioned at the place ahead of welding foot, this to reference column and welding foot in front and back and left and right directions stagger and arrange.
The power supply terminal of the utility model power connector is provided with boss, boss and groove are interfered the formation position limiting structure, boss surface be provided with little puncture or the projection etc., form the position limiting structure with interference effect with groove, terminal and plastic cement confining force have been improved, can guarantee the effect that contacts of power supply terminal and butt connector, improve the reliability of power delivery.
Description of drawings
Fig. 1 is the three-dimensional combination figure of the utility model power connector.
Fig. 2 is the three-dimensional combination figure of another angle of the utility model power connector.
Fig. 3 is the again three-dimensional combination figure of an angle of the utility model power connector.
Fig. 4 is the three-dimensional exploded view of the utility model power connector.
Fig. 5 is the three-dimensional exploded view of another angle of the utility model power connector.
Fig. 6 is the schematic perspective view of the utility model power connector insulating body.
Fig. 7 is the end view of the utility model power connector power supply terminal.
Embodiment
See also Fig. 1 to shown in Figure 6, the utility model power connector 100 is pegged graft for butt connector in order to be installed on the circuit board, and it comprises insulating body (plastic cement) 10 and is contained in some power supply terminals 20 in the insulating body 10.
Run through some terminal grooves (groove) 110 that installation portion 11 and spliced eye 15 connect before and after offering on the installation portion 11, terminal groove 112 is identical with the quantity of power supply terminal 20, each terminal groove 110 also runs through installation portion 11 downwards and extends to installing space 15, and each terminal groove 110 does not upwards run through installation portion 11 to guarantee the structural strength of insulating body 10.Installation portion 11 comprises the backward convex extension part 111, the supporting bracket 112 that protrude out of level of main part 110, autonomous body, supporting bracket 112 is positioned at the below of this convex extension part 111, form a release groove 113 between convex extension part 111 and the supporting bracket 112, supporting bracket 112 separates this release groove 113 between the upper and lower with installing space 15, this release groove 113 runs through installation portion 11 along left and right directions, lateral observation, release groove 113 is " コ " shape, at left and right directions, each terminal groove 110 runs through respectively supporting bracket 112 on front and back and above-below direction.
Each terminal groove 110 comprises the isolated left inside wall in the left and right sides, right inside wall, terminal groove 110 is formed between left inside wall and the right inside wall, right inside wall is concaved with the draw-in groove 1103 that connects with terminal groove 110, draw-in groove 1103 runs through convex extension part 111 backward, extend forwardly to main part 110, draw-in groove 1103 comprises front bulkhead 1106, extand rearward to the top end wall 1104 of convex extension part 111 rear end faces and the base end wall 1105 that front bulkhead 1106 bottoms extand rearward to convex extension part 111 rear end faces from front bulkhead 1106 tops, so, draw-in groove 1103 is formed on front bulkhead 1106, between top end wall 1104 and the base end wall 1105, observe forward, draw-in groove 1103 is " コ " shape.Installation portion 11 also is provided with the some square through holes 115 that connect with spliced eye 125 front and back.
The surperficial punching press of fixed part 21 is formed with the lug 213 corresponding with insulating body 10 draw-in grooves 1103, have on the fixed part 21 and form the recess 212 that stays after the lug 213, lug 213 comprises that the medial margin from recess 212 reaches the rake 214 that extends laterally and the horizontal part 215 that extends back from rake 214 backward, and the height of lug 213 and length are all less than the draw-in groove 1103 of insulating body 10.
Fixed part 21 also is provided with in the position of closing on contact site 22 with lug 213 towards unidirectional boss 216, the outer surface of boss 216 also rush be provided with the similar interference piece of above-mentioned lug 213 structures (such as littlely puncture, projection etc.) 218.Fixed part 21 tops also are provided with the finger 211 of extending forward, and contact site 22 comprises narrow 222 that extend forward at the middle part of wide 221 of linking to each other with fixed part 22 and the section 221 of comforting oneself, and on above-below direction, wide 221 height is roughly narrow 222 three times.
See also ginseng Fig. 4 and shown in Figure 7, on fore-and-aft direction, greater than the length of the contact site 22 of the 3rd power supply terminal 203, and the gap of the length of adjacent two contact sites 22 equates the length of the contact site 22 of second source terminal 202 less than the length of the contact site 22 of the first power supply terminal 201.Specifically, first, second power supply terminal 201,202 wide 221 equate, and narrow 222 of the first power supply terminal 201 greater than second source terminal 202 narrow 222; Wide 221 of second source terminal 202 greater than wide 221 of the 3rd power supply terminal 203 and second, third power supply terminal 202,203 narrow 222 equate.
During 100 assembling of the utility model power connector, power supply terminal 20 is assembled on the insulating body 1 before backward, contact site 22 stretches into forward in the spliced eye 125, and in order to contacting with butt connector, three contact sites 22 are arranged in a row and unsettled in spliced eye 125 along left and right directions.Fixed part 21 is fixed in the terminal groove 110, and partial fixing section 21 is exposed to release groove 113, to increase the radiating effect of fixed part 21.
Boss 216 offsets to press dry with the right inside wall of groove and relates to, and boss forms position limiting structure with groove, and boss surface is provided with little puncture or projection waits similar structures, with the position limiting structure of groove formation interference effect, raising terminal and plastic cement confining force.Lug 213 moves forward in the draw-in groove 1103, moved forward by front bulkhead 1106 restrictions, moved up by top end wall 1104 restrictions, moved down by base end wall 1105, thereby improved the confining force between insulating body 10 and the power supply terminal 20, fixed the position of power supply terminal 20.
When the product that circuit board is installed rocks or shakes, insulating body 10 can be avoided the change of the position of power supply terminal 20 in insulating body 10, butt connector inserts, can guarantee the effect that contacts of power supply terminal 20 and butt connector, improve the reliability of power delivery between butt connector and the circuit board.Welding foot 23 extends insulating body 10 downwards and enters installing space 15, installation portion 11 also has the installing space of extending down into 15 and the isolated a pair of reference column 118 in the left and right sides, reference column 118 is in order in the installing hole that is plugged in circuit board, restriction power connector 100 is mobile at circuit board, this is positioned at the place ahead of welding foot 23 to reference column 118, on left and right directions, this lays respectively between this three row welding foot 23 reference column 118, namely this to reference column 118 and welding foot 23 in front and back and left and right directions stagger and arrange.
Although be the example purpose, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize, in the situation that do not break away from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. a power connector (100), it comprises that plastic cement is insulating body (10) and is contained in the interior power supply terminal (20) of insulating body (10), described insulating body (10) is concaved with to accommodate the spliced eye (125) of butt connector and groove or the terminal groove (110) that connects with spliced eye (125) front and back, power supply terminal (20) comprises the fixed part (21) that is fixed in the terminal groove (110), contact site (22) and self-retaining section (21) other end that self-retaining section (21) one ends extend into spliced eye (125) extend the welding foot (23) of insulating body (10), it is characterized in that: described power supply terminal is provided with boss (216), boss and groove interference form position limiting structure, boss surface be provided with little puncture or the projection etc., form the position limiting structure with interference effect with groove, in order to improve terminal and plastic cement confining force.
2. power connector according to claim 1, it is characterized in that: described insulating body (10) is provided with the draw-in groove (1103) that is communicated with terminal groove (110), and described fixed part (21) upper punch is provided with and is contained in the lug (213) to avoid power supply terminal (20) to move up and down in the draw-in groove (1103).
3. power connector according to claim 2, it is characterized in that: described draw-in groove (1103) runs through insulating body (10) backward, and described lug (213) is assembled in the draw-in groove (1103) before backward.
4. power connector according to claim 2, it is characterized in that: described draw-in groove (1103) comprises front bulkhead (1106), extand rearward to the top end wall (1104) of insulating body (10) rear end face from front bulkhead (1106) top and extand rearward to the base end wall (1105) of insulating body (10) rear end face from front bulkhead (1104) bottom, is being " コ " shape from rear to the above draw-in groove of front direction (213).
5. power connector according to claim 2, it is characterized in that: described terminal groove (110) has left inside wall and right inside wall, have the recess (212) that making lug (213) forms afterwards on the described fixed part (21), described lug (213) comprises the rake (214) that the medial margin from recess (212) extends laterally and connects the horizontal part (215) of rake (214).
6. power connector according to claim 1, it is characterized in that: described power supply terminal (20) comprises isolated three power supply terminals in the left and right sides (20), be followed successively by from left to right the first power supply terminal (201), second source terminal (202), the 3rd power supply terminal (203), these three power supply terminals (201,202,203) be parallel to each other, each power supply terminal (201,202,203) be vertical laminated structure, the length of the contact site (22) of second source terminal (201) less than the length of the contact site (22) of the first power supply terminal (201) greater than the length of the contact site (22) of the 3rd power supply terminal (203), and the gap of the length of adjacent two contact sites (22) equates, described the first power supply terminal (201), second source terminal (202), lug (213) on the 3rd power supply terminal (203) all extension in the same direction forms.
7. power connector according to claim 1, it is characterized in that: described contact site (22) comprises narrow (222) that extend forward at the middle part of wide (221) that link to each other with fixed part (21) and the section of comforting oneself (221), wide (221) of first, second power supply terminal (202) equate, and narrow (222) of the first power supply terminal (201) are greater than narrow (222) of second source terminal (202); Wide (221) of second source terminal (202) are greater than wide (221) of the 3rd power supply terminal (203), and narrow (222) of second, third power supply terminal (202,203) equate.
8. power connector according to claim 1, it is characterized in that: described insulating body (10) comprises the installation portion (11) that is positioned at the rear end and the frame (12) that protrudes out forward from this installation portion (11), frame (12) comprises roof (121), diapire (122), connect roof (121) with the two side (123) of diapire (122) and by roof (121), diapire (122) and two side (123) enclose the described spliced eye (125) of formation, and described contact site (22) comprises along left and right directions and being in line and unsettled some contact sites (22) in spliced eye (125).
9. power connector according to claim 8, it is characterized in that: described installation portion (11) comprises main part (110), autonomous body (110) is the convex extension part (111) that protrudes out of level backward, supporting bracket (112), supporting bracket (112) is positioned at the below of this convex extension part (111), form a release groove (113) between convex extension part (111) and the supporting bracket (112), the below of insulating body (10) installation portion (11) is formed with the installing space (15) of accommodating circuit board, supporting bracket (112) separates this release groove (113) and installing space (15) between the upper and lower, this release groove (113) runs through installation portion (11) along left and right directions, lateral observation, release groove (113) is " コ " shape, at left and right directions, each terminal groove (110) runs through respectively supporting bracket (112) reaching backward on the downward direction, partial fixing section (21) is exposed to release groove (113), and draw-in groove (1103) extands rearward to the rear end face of convex extension part (111).
10. power connector according to claim 8, it is characterized in that: described power connector (100) is formed with to accommodate the installing space (15) of circuit board in the below of installation portion (11), the welding foot (23) of power supply terminal (20) extends down in the installing space (13) in order to be welded on the circuit board, installation portion (11) is higher than the diapire (122) of frame (12), so that spliced eye (125) connects with installing space (15) front and back, installation portion (11) also has in the installing space of extending down into (15) and the isolated a pair of reference column in the left and right sides (118), reference column (118) is positioned at the place ahead of welding foot (23), this to reference column (118) and welding foot (23) in front and back and left and right directions stagger and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220410530.XU CN202695781U (en) | 2012-08-18 | 2012-08-18 | Power supply connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220410530.XU CN202695781U (en) | 2012-08-18 | 2012-08-18 | Power supply connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695781U true CN202695781U (en) | 2013-01-23 |
Family
ID=47551345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220410530.XU Expired - Lifetime CN202695781U (en) | 2012-08-18 | 2012-08-18 | Power supply connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594831A (en) * | 2012-08-18 | 2014-02-19 | 温州意华通讯接插件有限公司 | Power connector |
-
2012
- 2012-08-18 CN CN201220410530.XU patent/CN202695781U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594831A (en) * | 2012-08-18 | 2014-02-19 | 温州意华通讯接插件有限公司 | Power connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WENZHOU YIHUA CONNECTOR CO., LTD. Free format text: FORMER NAME: WENZHOU YIHUA COMMUNICATED CONNECTOR CO., LTD. |
|
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |