CN218633338U

CN218633338U - Reverse connection prevention direct current power supply device

Info

Publication number: CN218633338U
Application number: CN202223224886.7U
Authority: CN
Inventors: 陈江贻; 查小惠; 许志山; 余思; 唐婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-14
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a reverse-connection-preventing direct-current power supply device, which comprises a mobile power supply device body and a reverse-connection-preventing mechanism, wherein a positive connector and a negative connector in the reverse-connection-preventing mechanism are respectively arranged at one end of the mobile power supply device body through connecting wires; the utility model discloses a prevent setting of joining conversely mechanism, make it possess and remove power supply and can directly effectually reach when the panel is changed and prevent joining the advantage of turning over, thereby stop the emergence and the loss of dangerous accident, when utilizing anodal connector and negative pole connector to lie in to connect the installation between anodal spread groove and the negative pole spread groove, correspond the male effect through first connecting block and first slot and second connecting block and second slot each other and reach the effect of preventing joining conversely, through protection mechanism's setting, can effectual improvement the protectiveness of picture peg, in order to avoid the hole entering debris on its surface phenomenon such as short circuit to take place, utilize the protection casing can directly carry out the cage protection to it.

Description

Reverse-connection-prevention direct-current power supply device

Technical Field

The utility model relates to a mains operated technical field, concretely relates to prevent DC power supply unit of transposition.

Background

The mobile power supply and the mobile charger are portable reverse-connection-prevention direct-current power supply devices, can store electric energy by themselves, and are mainly used for supplying direct current to consumer electronic products such as handheld mobile equipment and small-sized electric appliances. When the direct current electronic equipment is connected to a power supply, the anode and the cathode of the power supply are connected reversely due to various reasons, unpredictable damage or even damage is brought to the electric equipment, and the power supply can be damaged.

In order to solve the technical problems, for example, the publication No. CN112350294A discloses an anti-reverse-connection prevention device for a dc power supply device, which can be widely applied to various dc power supply devices, effectively prevent the dc power supply from being accidentally reversed, and protect the dc power supply and the power receiving device from being damaged;

although the anti-reverse effect is directly realized through the circuit in the patent, in practical application, the connection of the circuit is professional electrician operation, so that the anti-reverse condition cannot occur, and the panel can be replaced without professional operation when the mobile power supply is replaced, so that the connection of the anode and the cathode of the device is easy to occur under the condition of no obvious prompt and no tool test, and thus, danger and loss are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent DC power supply device who connects, possess the portable power source can directly effectually reach when the panel is changed and prevent connecting reverse advantage to stop the emergence and the loss of dangerous accident, with the problem of proposing among the solution above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a reverse-connection-prevention direct-current power supply device comprises a mobile power supply device body and a reverse-connection-prevention mechanism, wherein a positive connector and a negative connector in the reverse-connection-prevention mechanism are respectively installed at one end of the mobile power supply device body through connecting wires;

the reverse connection preventing mechanism comprises a first connecting block and a second connecting block, the first connecting block is respectively arranged on the periphery of the anode connector, and the second connecting block is respectively arranged on two sides of the cathode connector;

the connecting seat is connected to one end of the anode connector, the anode connecting groove and the cathode connecting groove are arranged on two sides of the connecting seat, the first slot is arranged around the inner wall of the anode connecting groove, and the second slot is arranged on two sides of the inner wall of the cathode connecting groove.

Preferably, an inserting plate is installed at one end of the connecting seat, and one side of the inserting plate is bolted with one end of the movable power supply device body.

Preferably, one side of picture peg is provided with protection machanism, protection machanism includes the baffle, the baffle is installed respectively in the both sides on picture peg surface.

Preferably, protection machanism includes spout, draw runner and constant head tank, the inboard of baffle is seted up to the spout, draw runner sliding connection is in the inside of spout, the outside of baffle is seted up to the constant head tank.

Preferably, the protection mechanism further comprises a spring and a telescopic rod, the spring and the telescopic rod are respectively installed in the cavity formed in the baffle plate, and the telescopic rod is located inside the spring.

Preferably, the protection mechanism further comprises a fixing plate and a supporting ball, the fixing plate is mounted at one end of the spring and one end of the telescopic rod, and the supporting ball is mounted on one side of the fixing plate.

Preferably, the protection casing is installed to the inboard of draw runner, the one end that supports the ball is located the inside of constant head tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a prevent setting of reversing connection mechanism makes it possess and removes power supply and can directly effectually reach when the panel is changed and prevent connecing the advantage of turning over to stop the emergence and the loss of dangerous accident, when utilizing anodal connector and negative pole connector to lie in to connect the installation between anodal spread groove and the negative pole spread groove, reach the effect of preventing reversing connection through first connecting block and first slot and second connecting block and the mutual corresponding male effect of second slot.

2. The utility model discloses through protection machanism's setting, can effectual improvement to the protectiveness of picture peg to avoid the hole on its surface to get into phenomenon such as debris short circuit and take place, utilize the protection casing can directly carry out the cage protection to it, and spout and draw the protection casing of putting is favorable to draw in the relation of draw in slip sliding connection, and constant head tank, spring, telescopic link, fixed plate and support the cooperation between the ball, can be used to play positioning work when inserting the protection casing to pulling out, thereby do benefit to pull out and insert the protection casing and guarantee its steadiness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the positive connector of the present invention;

FIG. 3 is a schematic view of the connecting seat structure of the present invention;

FIG. 4 is a schematic view of the structure of the chute of the present invention;

fig. 5 is a schematic view of the spring structure of the present invention.

In the figure: 1. a power supply device body; 2. an anti-reverse mechanism; 21. a positive electrode connector; 22. a first connection block; 23. a negative electrode connector; 24. a second connecting block; 25. a connecting seat; 26. a positive connecting groove; 27. a first slot; 28. a negative connecting groove; 29. a second slot; 3. a protection mechanism; 31. a baffle plate; 32. a chute; 33. a slide bar; 34. positioning a groove; 35. a protective cover; 36. a spring; 37. a telescopic rod; 38. a fixing plate; 39. the ball is resisted; 4. and (6) inserting the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 5, the utility model provides an anti-reverse connection dc power supply device, which comprises a mobile power supply device body 1 and an anti-reverse connection mechanism 2, wherein a positive connector 21 and a negative connector 23 in the anti-reverse connection mechanism 2 are respectively installed at one end of the mobile power supply device body 1 through connecting wires, and the positive connector 21 and the negative connector 23 are conveniently inserted and connected between a positive connecting groove 26 and a negative connecting groove 28;

the reverse connection preventing mechanism 2 comprises a first connecting block 22 and a second connecting block 24, wherein the first connecting block 22 is respectively arranged on the periphery of the positive electrode connector 21, the second connecting block 24 is respectively arranged on two sides of the negative electrode connector 23, and the arrangement of different numbers of the first connecting block 22 and the second connecting block 24 is favorable for the connection and insertion of the corresponding first slot 27 and the second slot 29;

still including connecting seat 25, anodal spread groove 26, first slot 27, negative pole spread groove 28 and second slot 29, connecting seat 25 is connected in the one end of anodal connector 21, the both sides in connecting seat 25 are all seted up to anodal spread groove 26 and negative pole spread groove 28, first slot 27 is seted up respectively around anodal spread groove 26 inner wall, the both sides in negative pole spread groove 28 inner wall are seted up respectively to second slot 29, utilize connecting seat 25 to do benefit to connecting picture peg 4, and the connection is connected in the insertion of anodal connector 21 and negative pole connector 23.

Preferably, the plug board 4 is installed to the one end of connecting seat 25, and one side of plug board 4 and the one end bolt of removing power supply unit body 1 utilize the plug board 4 to do benefit to and carry out the direct current power supply work to external electricity.

When the connecting structure is installed and connected, the positive connector 21 drives the first connecting block 22 to be inserted into the positive connecting groove 26 and the first slot 27, and then the negative connector 23 drives the second connecting block 24 to be inserted into the negative connecting groove 28 and the second slot 29, because the first connecting block 22 around the positive connector 21 is in a cross shape, the first slot 27 formed is also in a cross shape, the first connecting blocks 22 at two sides of the negative connector 23 are in a straight shape, and the second slot 29 is also in a straight shape, the positive connector 21 cannot be inserted into the negative connecting groove 28, and similarly, the negative connector 23 cannot be inserted into the positive connecting groove 26, so that the connecting structure has the advantage of preventing reverse connection, and the connecting structure is simple and easy to understand.

Example two

Further, one side of picture peg 4 is provided with protection machanism 3, and protection machanism 3 includes baffle 31, and baffle 31 is installed respectively in the both sides on picture peg 4 surface, utilizes baffle 31 to do benefit to and makes things convenient for spout 32 and draw runner 33 to slide to it is spacing about going on to the protection casing 35.

Wherein, protection machanism 3 includes spout 32, draw runner 33 and constant head tank 34, and the inboard of baffle 31 is seted up to spout 32, and draw runner 33 sliding connection is in the inside of spout 32, and the outside of baffle 31 is seted up to constant head tank 34, and the slip of spout 32 and draw runner 33 does benefit to and pulls out from top to bottom and inserts protection casing 35, and constant head tank 34 does benefit to the cooperation and supports ball 39 and use.

The protection mechanism 3 further includes a spring 36 and an expansion link 37, the spring 36 and the expansion link 37 are respectively installed in a cavity formed in the baffle 31, the expansion link 37 is located inside the spring 36, and the fixing plate 38 and the abutting ball 39 are elastically pushed by the elasticity of the spring 36 and the elasticity of the expansion link 37.

The protection mechanism 3 further includes a fixing plate 38 and a ball 39, the fixing plate 38 is mounted at one end of the spring 36 and the telescopic rod 37, the ball 39 is mounted at one side of the fixing plate 38, and the fixing plate 38 and the ball 39 are pushed into the positioning slot 34 by elasticity to position the protection cover 35.

Wherein, the inside of the slide bar 33 is installed with a protective cover 35, and one end of the ball 39 is located inside the positioning slot 34.

The protecting cover 35 can be pushed and pulled upwards or downwards directly during operation, due to the spring 36 and the telescopic rod 37, the fixing plate 38 and the supporting ball 39 are pushed and supported to one side tightly by the elasticity of the spring 36, and the positions of the positioning grooves 34 on the outer sides of the different sliding strips 33 can be driven when the upper and lower positions of the protecting cover 35 are adjusted, so that the protecting cover can be supported and positioned tightly.

EXAMPLE III

The upper part and the lower part of one side of the surface of the inserting plate 4 are both provided with double-head inserting holes, the upper part and the lower part of the other side of the surface of the inserting plate 4 are both provided with three-head inserting holes, and the middle part of the inserting plate 4 is provided with a USB inserting hole; the double-end jack is favorable to cooperating the plug of double-pole piece to insert the use, and the three-end jack is favorable to cooperating the plug of three-pole piece to insert the use, and the USB jack does benefit to the data line that cooperates the USB joint to insert the use to increase its multi-directionality of use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent DC power supply device who connects conversely which characterized in that: the anti-reverse-connection device comprises a mobile power supply device body (1) and an anti-reverse-connection mechanism (2), wherein a positive connector (21) and a negative connector (23) in the anti-reverse-connection mechanism (2) are respectively installed at one end of the mobile power supply device body (1) through connecting wires;

the reverse connection preventing mechanism (2) comprises a first connecting block (22) and a second connecting block (24), the first connecting block (22) is respectively installed on the periphery of the positive connector (21), and the second connecting block (24) is respectively installed on two sides of the negative connector (23);

still including connecting seat (25), anodal connecting groove (26), first slot (27), negative pole connecting groove (28) and second slot (29), the one end in anodal connector (21) is connected in connecting seat (25), the both sides in connecting seat (25) are all seted up in anodal connecting groove (26) and negative pole connecting groove (28), first slot (27) are seted up respectively around anodal connecting groove (26) inner wall, the both sides in negative pole connecting groove (28) inner wall are seted up respectively in second slot (29).

2. The reverse-connection-preventing direct-current power supply device according to claim 1, characterized in that: flashboard (4) are installed to the one end of connecting seat (25), one side of flashboard (4) and the one end bolt of removing power supply unit body (1).

3. An anti-reverse-connection direct-current power supply device according to claim 2, characterized in that: one side of picture peg (4) is provided with protection machanism (3), protection machanism (3) are including baffle (31), baffle (31) are installed respectively in the both sides on picture peg (4) surface.

4. An apparatus for supplying reverse-connection-preventing DC power according to claim 3, wherein: protection machanism (3) are including spout (32), draw runner (33) and constant head tank (34), the inboard of baffle (31) is seted up in spout (32), draw runner (33) sliding connection is in the inside of spout (32), the outside of baffle (31) is seted up in constant head tank (34).

5. An apparatus for supplying reverse-connection-preventing DC power according to claim 4, wherein: the protection mechanism (3) further comprises a spring (36) and an expansion rod (37), the spring (36) and the expansion rod (37) are respectively installed in a cavity formed in the baffle plate (31), and the expansion rod (37) is located inside the spring (36).

6. An anti-reverse-connection direct-current power supply device according to claim 5, characterized in that: the protection mechanism (3) further comprises a fixing plate (38) and a supporting ball (39), the fixing plate (38) is installed at one end of the spring (36) and one end of the telescopic rod (37), and the supporting ball (39) is installed on one side of the fixing plate (38).

7. An anti-reverse-connection direct-current power supply device according to claim 6, characterized in that: protection casing (35) are installed to the inboard of draw runner (33), it is located the inside of constant head tank (34) to support the one end of ball (39).