CN220209490U - Secondary locking structure of power terminal - Google Patents
Secondary locking structure of power terminal Download PDFInfo
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- CN220209490U CN220209490U CN202321717479.1U CN202321717479U CN220209490U CN 220209490 U CN220209490 U CN 220209490U CN 202321717479 U CN202321717479 U CN 202321717479U CN 220209490 U CN220209490 U CN 220209490U
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- locking
- block
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- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a secondary locking structure of a power terminal, which comprises an inner core, a female terminal and a terminal position retainer, wherein the female terminal is internally arranged in the inner core, the end parts of the female terminal and the female terminal jointly form an inserting port, and the axis of the terminal position retainer is provided with a through hole matched with the inserting port; one side of the plug-in port is provided with a locking notch, one side of the terminal position retainer is provided with a locking block matched with the locking notch, two sides of a port of the plug-in port are symmetrically provided with limiting grooves, each limiting groove comprises a first limiting position and a second limiting position which are arranged along the radial direction of the plug-in port, two sides of each through hole are respectively provided with a convex limiting block, and each limiting block is switched and clamped in the first limiting position or the second limiting position through radial movement of the terminal position retainer. The locking notch and the locking block are adopted to form a locking structure, and meanwhile, the limiting groove and the limiting block are clamped with each other to further limit the locking structure and form secondary locking.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a secondary locking structure of a power terminal.
Background
Female terminals in female terminal connector assemblies are typically fixedly disposed in connection with the core, but this often serves only a basic fixing function. The new energy automobile can inevitably produce jolting in the driving process for female terminal connector receives vibrations, only basic fixed knot constructs, and female terminal becomes flexible very easily or impaired inefficacy, and then leads to the leakage risk of high-voltage electricity, has very big potential safety hazard. Therefore, the female terminal connector requires a secondary locking mechanism to secure its structural stability.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a secondary locking structure of a power terminal.
The aim of the utility model is achieved by the following technical scheme:
the secondary locking structure of the power terminal comprises an inner core, a female terminal and a terminal position retainer, wherein the female terminal is arranged in the inner core, the end parts of the female terminal and the terminal position retainer form an inserting port together, and the axis of the terminal position retainer is provided with a through hole matched with the inserting port; a locking notch is formed on one side of the plugging port, a locking block matched with the locking notch is arranged on one side of the terminal position retainer, limiting grooves are symmetrically formed on two sides of a port of the plugging port, each limiting groove comprises a first limiting position and a second limiting position which are arranged along the radial direction of the plugging port, two sides of each through hole are respectively provided with a convex limiting block, each limiting block is switched and clamped in the first limiting position or the second limiting position through radial movement of the terminal position retainer, and when the limiting block is clamped in the first limiting position, the locking block is opposite to the corresponding locking notch; when the limiting block is clamped at the second limiting position, the locking block is clamped in the locking notch, and at the moment, the inner core, the female terminal and the terminal position maintaining piece are fixedly connected into a whole.
Preferably, one side of the end part of the inner core is provided with a notch, an opening is formed in the side part of the female terminal positioned in the notch, and the notch and the opening jointly form the locking notch.
Preferably, one side of the terminal position maintaining member is provided with an extension arm matched with the notch, the inner wall of the extension arm is provided with a clamping block, and the extension arm and the clamping block jointly form the locking block.
Preferably, two clamping blocks are respectively arranged on two sides of the inner wall of the extension arm, the two clamping blocks are arranged at intervals, and the outer contours of the two clamping blocks are matched with the opening.
Preferably, two clamping pieces are oppositely arranged on the outer side wall of the port of the female terminal, the inner wall of the inner core is provided with a clamping groove matched with the clamping pieces, and the clamping pieces are arranged in the clamping groove in a clamping mode.
Preferably, two guide blocks are respectively arranged on two side surfaces of the plug-in connector, guide holes extending radially are arranged on two side surfaces of the terminal position retainer, the guide blocks are clamped in the guide holes, the front ends of the guide blocks are inclined side surfaces, and the widths of the guide blocks are matched with those of the guide holes.
Preferably, the length of the guide hole corresponds to the length of the limit groove to limit the moving distance of the terminal position holder.
Preferably, the width of the first limiting bit is larger than that of the second limiting bit, and the second limiting bit is matched with the limiting block.
The beneficial effects of the utility model are mainly as follows:
1. the locking notch at the side part of the plug-in port is clamped with the locking block at the side part of the terminal position retainer to form a locking structure, and meanwhile, the limiting groove of the plug-in port is clamped with the limiting block on the terminal position retainer to further limit the locking structure between the two, so that the plug-in port and the terminal position retainer are kept in a clamped state, and the aim of forming secondary locking on the position between the inner core and the female terminal through the terminal position retainer is fulfilled;
2. the first limiting position plays a role in positioning the terminal position retainer, so that the locking block is opposite to the locking notch; the second limiting position plays a locking role on the terminal position retainer, so that a locking structure is maintained between the locking block and the locking notch;
3. the guide blocks at the two sides of the plug-in port and the guide holes on the terminal position maintaining piece are clamped with each other to guide the movement of the terminal position maintaining piece, so that the terminal position maintaining piece radially moves in the direction attached to the plug-in port, and meanwhile, the guide holes limit the movement distance of the terminal position maintaining piece, so that the limiting block is conveniently clamped in the second limiting position.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
fig. 1: an explosion schematic diagram of an embodiment of the utility model;
fig. 2: an explosion schematic diagram in the other direction of the embodiment of the utility model;
fig. 3: schematic diagrams of embodiments of the present utility model;
fig. 4: in the embodiment of the utility model, a partial cross-sectional view is provided.
Detailed Description
The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present utility model, and structural, methodological, or functional modifications of the utility model from those skilled in the art are included within the scope of the utility model.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
As shown in fig. 1 to 4, the present utility model discloses a secondary locking structure of a power terminal, which comprises an inner core 1, a female terminal 2 and a terminal position holder 3, wherein the female terminal 2 is internally arranged in the inner core 1, the ends of the female terminal 2 and the female terminal together form an insertion port 4, and the axis of the terminal position holder 3 is provided with a through hole 301 matched with the insertion port 4; a locking notch is formed on one side of the plug-in port 4, a locking block matched with the locking notch is formed on one side of the terminal position retainer 3, limiting grooves are symmetrically formed on two sides of a port of the plug-in port 4, each limiting groove comprises a first limiting position 401 and a second limiting position 402 which are radially arranged along the plug-in port 4, protruding limiting blocks 302 are respectively arranged on two sides of the through hole 301, the limiting blocks 302 are switched and clamped in the first limiting positions 401 or the second limiting positions 402 through radial movement of the terminal position retainer 3, and when the limiting blocks 302 are clamped in the first limiting positions 401, the locking blocks are opposite to the locking notch; when the limiting block 302 is clamped in the second limiting position 402, the locking block is clamped in the locking notch, and at this time, the inner core 1, the female terminal 2 and the terminal position holder 3 are fixedly connected together.
According to the utility model, the locking notch at the side part of the plug-in port 4 is clamped with the locking block at the side part of the terminal position retainer 3 to form a locking structure, and meanwhile, the limiting groove at the port of the plug-in port 4 is clamped with the limiting block 302 on the terminal position retainer 3 to further limit the locking structure between the limiting groove and the limiting block, so that the plug-in port 4 and the terminal position retainer 3 are kept in a clamped state, and the purpose of locking the position between the inner core 1 and the female terminal 2 through the terminal position retainer 3 is achieved.
Specifically, as shown in fig. 1, a notch 101 is formed on one side of the end of the inner core 1, an opening 201 is formed on the side of the female terminal 2 located in the notch 101, and the notch 101 and the opening 201 together form the locking notch. Two clamping pieces 202 are oppositely arranged on the outer side wall of the port of the female terminal 2, the inner wall of the inner core 1 is provided with clamping grooves 102 matched with the clamping pieces 202, and the clamping pieces 202 are clamped in the clamping grooves 102 so that the female terminal 2 is clamped in the inner core 1 to form foundation fixation.
One side of the terminal position keeping member 3 is provided with an extension arm 303 matched with the notch 101, the inner wall of the extension arm 303 is provided with a clamping block 304, and the extension arm 303 and the clamping block 304 jointly form the locking block. The clamping block 304 is clamped in the opening 201, the extension arm 303 is embedded in the notch 101, and the outer contour of the extension arm 303 is matched with the shell structure of the inner core 1, so that after the extension arm 303 is clamped in the notch 101, the extension arm 303 and the inner core 1 form a whole.
Further, in a preferred embodiment, two clamping blocks 304 are respectively disposed on two sides of the inner wall of the extension arm 303, the two clamping blocks 304 are disposed at intervals, and the outer contours of the two clamping blocks 304 are matched with the opening 201. The two clamping blocks 304 can reduce processing cost, and form uniform supporting force on two sides of the opening 201, so that the clamping between the locking block and the locking notch is not easy to damage.
As shown in fig. 1-3, two guide blocks 103 are respectively disposed on two side surfaces of the plug interface 4, radially extending guide holes 305 are disposed on two side surfaces of the terminal position holder 3, the guide blocks 103 are clamped in the guide holes 305, and the front ends of the guide blocks are inclined side surfaces, so that the guide blocks 102 are conveniently clamped in the guide holes 305. The guide block 103 is engaged with the guide hole 305 to guide the movement of the terminal position holder 3, and radially moves in a direction of being attached to the plug port 4.
Further, the length of the guide hole 305 corresponds to the length of the limit groove to limit the moving distance of the terminal position holder 3. Meanwhile, the width of the guide block 103 is matched with the guide hole 305, so that the guide hole 305 limits the moving distance of the terminal position holder 3, and the limiting block 302 is conveniently clamped in the second limiting position 402.
Wherein the first limit bit 401 has a width greater than the second limit bit 402, and the second limit bit 402 is matched with the stopper 302. The first limiting position 401 plays a role in positioning the terminal position holder 3 so that the locking block is opposite to the locking notch; the second restriction position 402 plays a locking role for the terminal position holder 3 so that a locking structure is maintained between the lock block and the lock notch.
According to the utility model, the terminal position retainer 3 which moves radially plays a secondary locking role on the connection between the female terminal 2 and the inner core 1, so that the stability and reliability of the connection between the female terminal 2 and the inner core 1 are further enhanced, the damage of the whole body after vibration is received or the falling-off between the female terminal 2 and the inner core 1 is avoided, and the use safety is ensured.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a secondary locking structure of power terminal which characterized in that: the novel socket comprises an inner core (1), a female terminal (2) and a terminal position retainer (3), wherein the female terminal (2) is arranged in the inner core (1), the end parts of the female terminal and the end part of the female terminal together form an inserting port (4), and the axis of the terminal position retainer (3) is provided with a through hole (301) matched with the inserting port (4); a locking notch is formed on one side of the plug-in port (4), a locking block matched with the locking notch is arranged on one side of the terminal position retainer (3), limiting grooves are symmetrically formed on two sides of a port of the plug-in port (4), each limiting groove comprises a first limiting position (401) and a second limiting position (402) which are radially arranged along the plug-in port (4), protruding limiting blocks (302) are respectively arranged on two sides of each through hole (301), and each limiting block (302) is switched and clamped in the corresponding first limiting position (401) or the corresponding second limiting position (402) through radial movement of the corresponding terminal position retainer (3), and when each limiting block (302) is clamped in the corresponding first limiting position (401), the corresponding locking block is opposite to the corresponding locking notch; when the limiting block (302) is clamped in the second limiting position (402), the locking block is clamped in the locking notch, and at the moment, the inner core (1), the female terminal (2) and the terminal position maintaining piece (3) are fixedly connected into a whole.
2. The secondary locking structure of a power terminal according to claim 1, wherein: the end part of the inner core (1) is provided with a notch (101), an opening (201) is formed in the side part of the female terminal (2) positioned in the notch (101), and the notch (101) and the opening (201) jointly form the locking notch.
3. The secondary locking structure of a power terminal according to claim 2, wherein: one side of the terminal position retainer (3) is provided with an extension arm (303) matched with the notch (101), the inner wall of the extension arm (303) is provided with a clamping block (304), and the extension arm (303) and the clamping block (304) jointly form the locking block.
4. A secondary locking structure of a power terminal according to claim 3, wherein: two clamping blocks (304) are respectively arranged on two sides of the inner wall of the extension arm (303), the two clamping blocks (304) are arranged at intervals, and the outer contours of the two clamping blocks (304) are matched with the opening (201).
5. The secondary locking structure of a power terminal according to claim 1, wherein: two clamping pieces (202) are oppositely arranged on the outer side wall of the port of the female terminal (2), the inner wall of the inner core (1) is provided with a clamping groove (102) matched with the clamping pieces (202), and the clamping pieces (202) are clamped in the clamping groove (102).
6. The secondary locking structure of a power terminal according to claim 1, wherein: two guide blocks (103) are respectively arranged on two side surfaces of the plug-in port (4), guide holes (305) extending radially are arranged on two side surfaces of the terminal position retainer (3), the guide blocks (103) are clamped in the guide holes (305), the front ends of the guide blocks are inclined side surfaces, and the widths of the guide blocks (103) are matched with those of the guide holes (305).
7. The secondary locking structure of a power terminal according to claim 6, wherein: the length of the guide hole (305) is equivalent to the length of the limit groove to limit the moving distance of the terminal position holder (3).
8. The secondary locking structure of a power terminal as claimed in claim 7, wherein: the first limiting bit (401) is wider than the second limiting bit (402), and the second limiting bit (402) is matched with the limiting block (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321717479.1U CN220209490U (en) | 2023-07-03 | 2023-07-03 | Secondary locking structure of power terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321717479.1U CN220209490U (en) | 2023-07-03 | 2023-07-03 | Secondary locking structure of power terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209490U true CN220209490U (en) | 2023-12-19 |
Family
ID=89146682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321717479.1U Active CN220209490U (en) | 2023-07-03 | 2023-07-03 | Secondary locking structure of power terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209490U (en) |
-
2023
- 2023-07-03 CN CN202321717479.1U patent/CN220209490U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |