CN213366958U - Special plug and socket assembly for direct-current storage battery - Google Patents
Special plug and socket assembly for direct-current storage battery Download PDFInfo
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- CN213366958U CN213366958U CN202022528887.5U CN202022528887U CN213366958U CN 213366958 U CN213366958 U CN 213366958U CN 202022528887 U CN202022528887 U CN 202022528887U CN 213366958 U CN213366958 U CN 213366958U
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Abstract
The utility model relates to a special plug and socket assembly for a direct current storage battery, which comprises a male plug body and a female plug body which are mutually matched, wherein a cylindrical male contact pin and a male communication pin are arranged in the male plug body; a cylindrical female contact pin and a female contact communication pin are arranged in the female plug body, and a through groove is formed in the side wall of the female contact pin; the male contact pin is matched with the female contact pin, the inner diameter of the female contact pin in the initial state is smaller than the outer diameter of the male contact pin, and safe distances are reserved between the male communication pin and the male contact pin and between the female communication pin and the female contact pin. The male contact pin and the female contact pin both comprise contact pin bodies, the contact pin bodies are divided into contact ends and fixed ends, rubber coating shoulders, injection molding shoulders and contact shoulders which are coaxial with the contact pin bodies are arranged on the fixed ends, and the rubber coating shoulders, the injection molding shoulders and the contact shoulders are sequentially arranged from the fixed ends to the contact ends. The male pin is set to be cylindrical, so that a conventional plug and a direct-current plug can be prevented from being used together, and the resistance of the cylindrical metal pin is smaller than that of the flat-needle-shaped metal pin, so that larger overcurrent can be allowed.
Description
Technical Field
The utility model belongs to the technical field of the electrical coupling spare technique and specifically relates to a special plug and socket subassembly of direct current storage battery.
Background
At present, a charging wire which is configured independently is usually used for charging a storage battery of the storage battery car, and plugs at two ends of the charging wire are respectively connected with an external power grid and the storage battery.
Among the prior art, the special plug appearance of conventional storage battery is very similar with ordinary article word plug, confuses special direct current plug of storage battery and conventional alternating current plug easily, in case send into the condition of connecing wrong charging wire, causes the potential safety hazard easily.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a plug special for a direct-current storage battery, which can increase the advantages of overcurrent and communication capacity while avoiding the use of the plug mixed with a conventional alternating-current plug.
The utility model discloses the technical scheme who adopts as follows:
a plug and socket assembly special for a direct-current storage battery comprises a male plug body and a female plug body which are matched with each other, wherein a cylindrical male contact pin and a cylindrical male communication pin are arranged in the male plug body;
a cylindrical female contact pin and a female contact communication pin are arranged in the female plug body, and a through groove is formed in the side wall of the female contact pin;
the male contact pin is matched with the female contact pin, the inner diameter of the female contact pin in the initial state is smaller than the outer diameter of the male contact pin, and safe distances are reserved between the male communication pin and the male contact pin and between the female communication pin and the female contact pin.
As a further improvement of the above technical solution:
the male contact pin and the female contact pin both comprise contact pin bodies, the contact pin bodies are divided into contact ends and fixed ends, rubber coating shoulders, injection molding shoulders and contact shoulders which are coaxial with the contact pin bodies are arranged on the fixed ends, and the rubber coating shoulders, the injection molding shoulders and the contact shoulders are sequentially arranged from the fixed ends to the contact ends.
The outer diameters of the rubber coating shoulder, the injection molding shoulder and the contact shoulder are equal.
The axial length of the injection molding shoulder is greater than the axial length of the encapsulation shoulder, and the axial length of the encapsulation shoulder is greater than the axial length of the contact shoulder.
A deformation distance is reserved between one end, close to the contact shoulder, of the through groove in the female contact pin and the contact shoulder.
And tapered holes for accommodating metal wires are formed in the end faces of the fixed ends of the male contact pin and the female contact pin.
Public body, the female body of inserting all draw forth the protective housing all around including the connector that is used for fixed contact pin, the terminal surface that the connector is equipped with the contact pin, and public contact pin, female contact pin, public communication needle and the female communication needle of inserting all fall in the protective housing.
The outer shell that all takes shape of the connector of body, female body of inserting is inserted to public, and the shell deviates from protective housing one end and is connected with the net tail.
A forming method of a plug special for a direct-current storage battery comprises the following steps:
the forming method of the male plug body comprises the following steps:
first encapsulation: connecting the male contact pin and the male communication pin with the electric wire, and encapsulating the tail parts of the male contact pin and the male communication pin so that the male contact pin, the male communication pin and the connection part with the electric wire are limited by plastic;
and (3) second encapsulation: encapsulating the semi-finished product formed by the first encapsulation to form a cubic external profile of the male plug body;
and (3) third encapsulation: injecting and molding a net tail on one side of the semi-finished product formed by the second encapsulation, which is far away from the male contact pin and the male communication pin, wherein the electric wire extends out of the net tail;
the forming method of the female plug body comprises the following steps:
a plastic shell of the female plug body is formed in one step, and holes for accommodating the female contact pins and the female communication pins are reserved in the plastic shell; inserting a female contact pin and a female communication pin into the reserved hole; and (3) filling glue into the plastic shell provided with the female contact pin and the female communication pin, and bonding and molding the plastic shell, the female contact pin and the female communication pin.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, sets the public contact pin into a column shape which is different from the conventional pin-shaped plug, can prevent the conventional plug for alternating current from being used together with the direct current plug of the storage battery applicable to the utility model, and can allow larger overcurrent because the resistance of the cylindrical metal contact pin is smaller than that of the flat metal contact pin; meanwhile, potential safety hazards caused by mistaken access of alternating current are reduced. The utility model discloses a plug contour installation hole is unanimous with the article font plug contour installation hole site that has now on the market, can be general with current product mould, has just also reduced the complexity in the production process.
The utility model also provides a communication needle, communication needle's effect is the relevant information with storage battery charging, and for example charge state, battery state isoparametric all transmit out, are convenient for read.
The utility model provides a female contact pin is equipped with logical groove, and the setting that leads to the groove can let female contact pin hold the public contact pin bigger than self initial state internal diameter, and the public contact pin that the diameter is bigger is linking up tighter between the two when female contact pin switches on.
The utility model discloses an outer gilding of contact pin, the material of contact pin self adopts copper to do the contact pin diameter as far as possible thick in the allowed range, utilize the performance of material, diameter to be the more the less characteristic of resistance is supplementary to improve the ability of overflowing of contact pin.
The utility model discloses the forming method of plug and socket subassembly that adopts is considered based on the reliability, the conventional plug and socket of having done earlier has been changed, then the scheme of contact pin is inserted to reuse interference fit's mode, use the contact pin as the core earlier, the rubber coating of moulding plastics, form the connecting block of grabbing firm contact pin on the contact pin, again carry out the rubber coating of second time on the connecting block, form the shell, the rubber coating forms the net tail on the shell at last, fashioned advantage is that outside one deck plastic can firmly grasp the contact pin, the electric wire, at many times plug in-process, the contact pin is difficult to be not hard up between the plug or the socket rather than the place.
Drawings
Fig. 1 is a schematic structural view of the male plug body and the female plug body of the present invention.
Fig. 2 is a schematic structural view of the male plug body of the present invention.
Fig. 3 is a side view of the male plug body of the present invention.
Fig. 4 is a schematic structural view of the male pin of the present invention.
Fig. 5 is a side view of the male pin of the present invention.
Fig. 6 is a front view of the female plug body of the present invention.
Fig. 7 is a schematic view of the structure of the female pin of the present invention.
Wherein: 1. a male plug body; 2. a female plug body; 3. a pin body; 4. encapsulating a shoulder; 5. injection molding a shoulder; 6. a contact shoulder; 7. a tapered hole; 8. an inner core; 9. a protective shell; 10. a housing; 11. a net tail; 12. an electric wire;
101. a male contact pin; 102. a public communication pin;
201. a female pin; 202. a female plug communication pin; 203. a through groove.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-6, the plug and socket assembly for a dc battery of the present embodiment includes a male plug body 1 and a female plug body 2, which are mutually matched, wherein a cylindrical male pin 101 and a male communication pin 102 are arranged in the male plug body 1;
a cylindrical female pin 201 and a female communication pin 202 are arranged in the female pin body 2, and a through groove 203 is formed in the side wall of the female pin 201;
the male contact pin 101 is matched with the female contact pin 201, the inner diameter of the female contact pin 201 in the initial state is smaller than the outer diameter of the male contact pin 101, and safe distances are reserved between the male communication pin 102 and the male contact pin 101 and between the female communication pin and the female contact pin 201.
The outer diameters of the encapsulation shoulder 4, the injection molding shoulder 5 and the contact shoulder 6 are equal.
The axial length of the injection shoulder 5 is greater than the axial length of the encapsulation shoulder 4, the axial length of the encapsulation shoulder 4 being greater than the axial length of the contact shoulder 6.
The deformation distance b is reserved between one end of the through groove 203 on the female pin 201 close to the contact shoulder 6 and the contact shoulder 6.
The outer shell 10 that has all the shaping of the connector of body 1, female body 2 of inserting is inserted to public, and shell 10 deviates from 9 one end of protective housing and is connected with net tail 11.
The forming method of the special plug for the direct-current storage battery comprises the following steps:
the forming method of the male plug body 1 comprises the following steps:
first encapsulation: connecting the male contact pin 101 and the male communication pin 102 with the electric wire, and encapsulating the tail parts of the male contact pin 101 and the male communication pin 102 to limit the male contact pin 101, the male communication pin 102 and the connection part with the electric wire by plastic;
and (3) second encapsulation: encapsulating the semi-finished product formed by the first encapsulation to form a cubic external profile of the male plug body 1;
and (3) third encapsulation: a net tail is formed on one side, away from the male contact pins 101 and 102, of the semi-finished product formed by the second encapsulation in an injection molding mode, and electric wires extend out of the net tail;
the molding method of the female plug body 2 is as follows:
a plastic shell of the female plug body 2 is formed in one step, and holes for accommodating the female contact pins 201 and the female communication pins 202 are reserved in the plastic shell; inserting a female contact pin 201 and a female communication pin 202 into the reserved holes; and (3) pouring glue into the plastic shell provided with the female contact pin 201 and the female communication pin 202, and bonding and molding the plastic shell, the female contact pin 201 and the female communication pin 202.
The specific structure of this embodiment is as follows:
as shown in fig. 1 and 2, one male plug body 1 is provided with two male plugs 101, the male plugs 101 are arranged side by side, a male plug communication pin is arranged in a space between the two male plugs 101, four male plug communication pins are arranged, each two male plug communication pins are in a group, a group of two male plug communication pin connecting lines are parallel to a group of two male plugs 101 connecting lines, and the distance between the two groups of male plug communication pins is larger than the diameter of the male plug 101.
A safety distance a is reserved between the male contact pin 101 and the male contact pin 101 to prevent short circuit caused by the proximity between the male contact pin 101 and the male contact pin.
As shown in fig. 3 and 4, one end of the encapsulation shoulder 4 is flush with the fixed end of the pin body 3, a tapered hole 7 is provided at the end face of the fixed end, and the hole depth of the tapered hole 7 is larger than the axial length of the encapsulation shoulder 4. During encapsulation, the tapered hole 7 and the electric wire 12 therein are fixed by plastic coating.
As shown in fig. 5, two female pins 201 are provided on one female pin body 2, the female pins 201 are arranged side by side, the female communication pins 202 are arranged in the space between the female and male pins 101, four female communication pins 202 are provided, each two female communication pins are in a group, the two female communication pins 202 in a group are connected in parallel with the two female pins 201, and the distance between the two female communication pins 202 is greater than the diameter of the male pin 101.
A safety distance a is reserved between the female pin 202 and the female pin 201 to prevent short circuit caused by the proximity between the female pin 201 and the female pin 202.
As shown in fig. 5 and 6, the annular array of through slots 203 on the female pin 201 in the present embodiment is provided with four through slots 203.
The utility model discloses the storage battery that is particularly useful for two-wheeled high-speed motorcycle charges, and public inserting body 1 and female inserting body 2 connect respectively on charging wire 12 and storage battery, and public contact pin 101 and female contact pin 201 shape looks adaptation, conventional plug can't be used in mixture, guaranteeing under the dedicated prerequisite of direct current, can also increase and overflow, the utility model provides a cross the flow and compare in conventional contact pin 10A's cross flow, can increase to 40A to can in time export the charging condition and the battery condition through the communication contact pin.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. The utility model provides a special plug socket subassembly of direct current storage battery, includes that the public body (1), the female body (2) of inserting of mutually supporting, its characterized in that: a cylindrical male contact pin (101) and a male communication pin (102) are arranged in the male plug body (1);
a cylindrical female pin (201) and a female communication pin (202) are arranged in the female pin body (2), and a through groove (203) is formed in the outer side wall of the female pin (201);
the male contact pin (101) is matched with the female contact pin (201), the inner diameter of the female contact pin (201) in an initial state is smaller than the outer diameter of the male contact pin (101), and safe distances are reserved between the male communication pin (102) and the male contact pin (101) and between the female communication pin and the female contact pin (201).
2. The special plug and socket assembly for direct-current storage batteries according to claim 1, wherein: public contact pin (101) and female contact pin (201) all include contact pin body (3), and contact pin body (3) divide into contact jaw and stiff end, are equipped with rubber coating circular bead (4), the circular bead of moulding plastics (5), contact circular bead (6) with the coaxial setting of contact pin body (3) on the stiff end, rubber coating circular bead (4), circular bead of moulding plastics (5), contact circular bead (6) are arranged to the contact jaw from the stiff end in proper order.
3. The special plug and socket assembly for direct-current storage batteries according to claim 2, wherein: the outer diameters of the rubber coating shoulder (4), the injection molding shoulder (5) and the contact shoulder (6) are equal.
4. The special plug and socket assembly for direct-current storage batteries according to claim 2, wherein: the axial length of the injection molding shoulder (5) is larger than that of the encapsulation shoulder (4), and the axial length of the encapsulation shoulder (4) is larger than that of the contact shoulder (6).
5. The special plug and socket assembly for direct-current storage batteries according to claim 2, wherein: a deformation distance is reserved between one end, close to the contact shoulder (6), of the through groove (203) in the female pin (201) and the contact shoulder (6).
6. The special plug and socket assembly for direct-current storage batteries according to claim 1, wherein: and tapered holes (7) for accommodating metal wires are formed in the end faces of the fixed ends of the male contact pin (101) and the female contact pin (201).
7. The special plug and socket assembly for direct-current storage batteries according to claim 1, wherein: public body (1), the female connector body (2) of inserting all draw forth protective housing (9) all around including the connector that is used for fixed contact pin, the terminal surface that the connector was equipped with the contact pin, and public contact pin (101), female contact pin (201), public communication needle and female communication needle (202) of inserting all fall in protective housing (9).
8. The special plug and socket assembly for direct-current storage batteries according to claim 7, wherein: the outer shell (10) is formed outside the connectors of the male plug body (1) and the female plug body (2), and one end, deviating from the protective shell (9), of the shell (10) is connected with the net tail (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528887.5U CN213366958U (en) | 2020-11-04 | 2020-11-04 | Special plug and socket assembly for direct-current storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528887.5U CN213366958U (en) | 2020-11-04 | 2020-11-04 | Special plug and socket assembly for direct-current storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366958U true CN213366958U (en) | 2021-06-04 |
Family
ID=76134918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022528887.5U Active CN213366958U (en) | 2020-11-04 | 2020-11-04 | Special plug and socket assembly for direct-current storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366958U (en) |
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2020
- 2020-11-04 CN CN202022528887.5U patent/CN213366958U/en active Active
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