CN203250883U - Rotary adapter of power supply device - Google Patents

Abstract

The utility model relates to an adapter for a power supply, which comprises a shell, a rotating shaft, two connecting pins and two terminals; the inner end of each pin is provided with a back contact part and a side contact part, the inner end of each terminal is also provided with a back contact part and a side contact part, and when the pin rotates to be positioned, the back contact part and the side contact part of the pin respectively contact the back contact part and the side contact part of the terminal; therefore, each pin and the corresponding terminal are contacted at two positions, even if the positions of the pins and the terminals are deviated due to collision or various reasons, as long as one of the positions between the pins and the terminals is contacted, the pins and the terminals can still achieve the effect of conduction, and the pins and the terminals can be effectively ensured to be kept in a power-on state when in use; the utility model discloses reach the purpose that effectively promotes stability in use with this.

Description

Rotary Adapter for Power Supply

technical field

The utility model relates to an adapter for a power supply, in particular to a rotary adapter for the power supply.

Background technique

The adapter of the power supply in the prior art includes a housing, a rotating shaft, two pins and two terminals; the housing is provided with two pin grooves arranged at intervals; the rotating shaft is rotatably arranged in the housing; each The pins are fixed to the rotating shaft near the inner end, and the outer end of each pin can protrude out of the pin groove or be located in the pin groove as the rotating shaft rotates; each terminal is installed in the shell, and the outer end passes through the shell Outside the body; when the pin is rotated to a position and protrudes out of the pin groove, the inner end of the pin will contact the inner end of the corresponding terminal to conduct conduction.

When in use, the outer ends of the two terminals pass through the power connector of the power supply, while the outer ends of the two pins protrude out of the pin slots and are inserted into the socket; Contact and conduction, so the power in the socket can be transmitted to the power supply through the pins and terminals in sequence.

However, the conventional power supply adapter has the following disadvantages:

First, since the pins and terminals are only in contact with each other for conduction, if there is a deviation in the position of the pins or terminals due to collision or various reasons, the corresponding pins and terminals may not be able to connect smoothly. contact and cause an open circuit, making it unusable.

Second, the rotating shaft is connected to the housing by being pivotally arranged at both ends on the housing wall, so a structure pivotally connected to the rotating shaft is provided on the inner wall of the housing, and this structure will cause the housing to have a certain width, thereby making the The overall size of the power supply is forced to increase.

Utility model content

In view of the above-mentioned shortcomings and shortcomings of the rotary adapter of the power supply in the prior art, which are not stable in use and too large in size, the utility model provides a rotary adapter of the power supply, which can effectively solve the above-mentioned problems. shortcoming.

In order to achieve the above purpose, the technical means adopted by the utility model is to design a rotary adapter of a power supply, which includes:

A housing, which has an inner space, and the wall surface of the housing is provided with two pin slots and two terminal holes; the pin slot is a long slot, and the two pin slots are arranged at intervals; the two terminal holes are arranged at intervals;

a rotating shaft, which is rotatably arranged in the casing;

Two pins, which are respectively located in the two pin grooves of the housing, each pin is fixed on the rotating shaft, and the inner end of each pin is provided with a rear contact portion, and the outer surface of each pin is adjacent to its inner end. The contact part, the side contact part deviates from the axis of the rotating shaft;

Two terminals, which are installed in the housing, the outer ends of the two terminals are respectively pierced through the two terminal holes of the housing, and the inner end of each terminal is provided with a rear contact part and a side contact part; the rear contact part and the side contact part of each terminal The contact portions selectively contact the rear contact portion and the side contact portion of the corresponding pins respectively.

Further, in the rotary adapter of the power supply, the rotating shaft includes a pivoting portion, the pivoting portion is pivoted with the casing, and the pivoting portion is located between the two pins. The rotating shaft is pivoted to the base through the pivoting part located in the middle section, so that the two side walls of the casing do not need to be provided with structures for pivoting, so the width of the casing can be effectively reduced.

Furthermore, in the rotary adapter of the power supply, the casing includes a fixing piece, the fixing piece is sleeved on the pivoting part of the rotating shaft, and is installed and fixed on the inner wall of the casing.

Further, in the rotary adapter of the power supply, the pivoting part of the rotating shaft is a cam; the fixing part of the housing has a resting part and a clamping part, and the resting part and the clamping part clamp A pivoting portion of the rotating shaft is provided, and the sandwiching portion can be stretched apart by the pivoting portion.

Further, in the rotary adapter of the power supply, a positioning block protrudes radially from the pivoting part of the rotating shaft; a positioning groove is recessed on the inner wall of the interposing part; the positioning block of the rotating shaft is selectively penetrated Abut against the positioning groove of the clamping part. In this way, the effect of positioning can be achieved by using interference to generate stress, and the pins will not easily shake after being rotated to the position.

Furthermore, in the rotary adapter of the power supply, the rotation angle of the pin and the rotating shaft relative to the housing is between 0° and 90°. In this way, when the pins are rotated into position, the pins are just perpendicular to the bottom surface of the housing.

Furthermore, in the rotary adapter of the power supply, the rear contact portion and the side contact portion of the terminal are elastic pieces. In this way, when the contact portion of the pin abuts against the contact portion of the terminal, the contact portion of the terminal will be slightly bent against the contact portion of the pin because of the elasticity of the elastic piece, thereby effectively ensuring the contact portion between the pin and the terminal touch each other.

Further, in the rotary adapter of the power supply, the casing includes a base and an upper cover, the pin slots are formed on the base, and the terminal holes are formed on the upper cover.

The utility model has the advantage that, by making the inner end of each pin be provided with a rear contact part and one side contact part, and the inner end of each terminal is also provided with a rear contact part and one side contact part, and when the pin rotates to the position , the rear contact part and the side contact part of the pin will touch the rear contact part and the side contact part of the terminal respectively; therefore, each pin will contact the corresponding terminal at two places, even if it is due to collision or various reasons As a result, there is a deviation in the position of the pins and terminals. As long as one of the pins and terminals is in contact, the pins and terminals can still achieve the effect of conduction, which can effectively ensure that the pins and terminals are kept powered on when they are in use. state; the utility model thus achieves the purpose of effectively improving the stability of use.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is an exploded view of most components of the utility model.

Fig. 3 is an exploded view of some components of the utility model.

Fig. 4 is a three-dimensional appearance view of another angle of the utility model.

Fig. 5 is a schematic diagram of the appearance of some components of the utility model.

Fig. 6 is a side sectional view of the utility model.

Fig. 7 is a partial front sectional view of the utility model.

Fig. 8 is another side sectional view of the present utility model.

Fig. 9 is a partial front sectional view of the utility model when it is opened.

Fig. 10 is another side sectional view when the utility model is opened.

Fig. 11 is a schematic diagram of the utility model connected to a power supply.

Fig. 12 is a side sectional view of the utility model when it is opened.

Explanation of reference numbers:

10 shell 132 clamping part

11 base 133 positioning slot

111 pin slots 20 shafts

12 Upper cover 21 Pivot

121 terminal block 35211 positioning block

122 terminal holes 30 pins

123 Limiting piece 31 Rear contact part

13 Fixing piece 32 Side contact part

131 abutment part 40 terminal

41 rear contact part 43 pushing part

42 side contact part 50 power supply

Detailed ways

Below, in conjunction with the accompanying drawings and preferred embodiments of the utility model, the technical means adopted by the utility model to achieve the intended purpose of the utility model will be further elaborated.

Please refer to Figures 1 to 3, which are a preferred embodiment of the rotary adapter of the power supply of the present invention. The rotary adapter of the power supply includes a housing 10, a rotating shaft 20, two pins 30 and Both terminals 40.

2 to 4, the aforementioned housing 10 includes a base 11, an upper cover 12 and a fixing member 13; the base 11 and the upper cover 12 cover an internal space, and the bottom surface of the base 11 is concave Two pin slots 111, two pin slots 111 are arranged at intervals, each pin slot 111 is a long slot, and one end communicates with the internal space of the housing 10; please refer to Figure 2 and Figure 5, the front of the upper cover 12 There is a terminal base 121 on the side, and two terminal holes 122 run through the front side of the terminal base 121 together with the upper cover 12, and the two terminal holes 122 are arranged at intervals; two limit pieces 123 protrude from the bottom surface of the upper cover 12. Parts 123 are arranged at intervals; please refer to Fig. 2, Fig. 3 and shown in Fig. 6, the fixing part 13 is installed and fixed on the top surface of the base 11, and has an abutting portion 131 and an interposed portion 132, and the abutting portion 131 and The sandwiching portion 132 covers a downward opening, and an inner wall of the sandwiching portion 132 is recessed with a positioning groove 133 .

Please refer to Fig. 3, Fig. 6 and Fig. 7, the aforementioned rotating shaft 20 is rotatably arranged between the fixing member 13 and the base 11 of the casing 10, and the middle section of the rotating shaft 20 is provided with a pivoting part 21, and the pivoting part 21 It penetrates between the abutment portion 131 and the interposition portion 132 of the fixing member 13, and is sandwiched by the abutment portion 131 and the interposition portion 132; the pivotal portion 21 is a cam, and can stretch the interposition portion 132 apart , further speaking, a positioning block 211 protrudes radially from the pivoting portion 21 .

Please refer to Fig. 2, Fig. 3, Fig. 4, Fig. 7 and Fig. 8, the aforementioned two pins 30 are respectively located in the two pin grooves 111 of the base 11, and each pin 30 is fixed on the rotating shaft 20 near the inner end. In this embodiment, the end of the rotating shaft 20 is directly coated and projected on the position close to the inner end of the pin 30, but the inner end of the pin 30 protrudes outside the rotating shaft 20, and is provided with a rear contact portion 31. The outer surface of the foot 30 adjacent to the inner end also protrudes axially out of the rotating shaft 20 to form a side contact portion 32 , and the side contact portion 32 deviates from the axis of the rotating shaft 20 and is located beside the axis.

Please refer to FIG. 2, FIG. 3, FIG. 5, FIG. 7 and FIG. 8, the aforementioned two terminals 40 are installed in the housing 10, and the outer ends of the two terminals 40 are respectively installed in the two terminal holes of the upper cover 12. 122, the inner end and the outer side of each terminal 40 all lean against the corresponding limiter 123 on the bottom surface of the upper cover 12; the inner end of each terminal 40 is provided with a rear contact portion 41, a side contact portion 42 and a push The contact portion 43 ; the rear contact portion 41 is a downward horizontal elastic piece, the side contact portion 42 is an inward vertical elastic piece, and the pushing portion 43 is an upward horizontal elastic piece, and leans against the bottom surface of the upper cover 12 .

The outer end of the terminal 40 is passed through the terminal hole 122 of the upper cover 12, and the inner end and the outer surface are abutted against the limiter 123, and the pushing part 43 is upwardly abutted against the bottom surface of the upper cover 12, so that The terminal 40 can be effectively fixed on the upper cover 12 .

Please refer to Fig. 4 and Fig. 8, when the utility model is not in use, the two pins 30 are buried in the two pin grooves 111 of the base 11 respectively, and are parallel to the bottom surface of the base 11, so as to avoid too many pins 30 In addition, the rear contact portion 31 and the side contact portion 32 of the pin 30 are not in contact with the rear contact portion 41 and the side contact portion 42 of the terminal 40 at this time.

Please refer to Fig. 7 to shown in Fig. 10, when the utility model is used, move the pin 30 from the outer end of the pin 30 protruding from the pin groove 111, so that the pin 30 rotates 90 degrees together with the rotating shaft 20, and at this moment Turn to the location; at this time, the pin 30 protrudes vertically from the bottom surface of the base 11, and the rear contact portion 31 of the inner end of the pin 30 changes from forward to upward, and therefore upwardly against the rear contact portion 41 of the terminal 40, then connects The pin 30 and the terminal 40 are also conducted accordingly; and the side contact portion 32 on the outer surface adjacent to the inner end of the pin 30 is not located on the axis of the rotating shaft 20, so it will change its position after rotation, and thus squeeze into the pin 30. Inside the side contact portion 42 of the terminal 40 , the side contact portion 32 of the pin 30 abuts and slightly pushes the side contact portion 42 of the terminal 40 apart, so that the pin 30 and the terminal 40 are also conducted.

Please refer to FIG. 10 and FIG. 11 , after the pins 30 stand up, they can be inserted into the socket, and the terminal base 121 of the upper cover 12 can be inserted into the power supply 50 , through the connections between the pins 30 and the terminals 40 If it is turned on, the power in the socket can be transmitted to the power supply 50 .

Please refer to FIG. 9 and FIG. 10. From the above, it can be seen that only the two rear contact portions 31, 41 of the pin 30 and the terminal 40 are in contact, or the two side contact portions 32, 42 of the pin 30 and the terminal 40 are in phase. Contact can make the pin 30 and the terminal 40 conductive, so even if the positions of the pin 30 and the terminal 40 are deviated due to collision or various reasons, only the two rear contact parts 31, 41 or the two side contact parts 32, 42, if there is still one group in contact, the pin 30 and the terminal 40 can still be conducted, and then the adapter of the utility model can be kept in a usable state; the utility model achieves the purpose of effectively improving the stability of use .

In addition, since the rear contact portion 41 and the side contact portion 42 of the terminal 40 are elastic pieces facing the pin 30 , it can effectively ensure that the two contact portions 41 , 42 are in contact with the two contact portions 31 , 32 of the pin 30 respectively.

Please refer to FIG. 6 and FIG. 12. During the rotation of the pin 30 and the rotating shaft 20, the positioning block 211 of the rotating shaft 20 will gradually push away the interposed part 132 of the fixing member 13 until the rotating shaft 20 rotates to the position, that is, rotates. At 90 degrees, the positioning block 211 will just pass through the positioning groove 133 of the clamping part 132, and the clamping part 132 will shrink slightly to engage the positioning block 211, so as to achieve positioning by using interference to generate stress effect, and after the pin 30 is rotated to the position, it will not shake easily.

Please refer to FIG. 2 and FIG. 3 , furthermore, the rotating shaft 20 is pivoted to the base 11 through the pivoting portion 21 located in the middle, so the width of the base 11 can be effectively reduced, thereby reducing the volume of the present utility model.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Anyone in the field Skilled persons, within the scope of the technical solution of the utility model, should be able to use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes. The technical essence of the utility model makes any simple modifications, equivalent changes and modifications to the above embodiments, all still belong to the scope of the technical solutions of the utility model.

Claims (10)

1. A rotary adapter for a power supply, characterized in that it comprises: A housing, which has an inner space, and the wall surface of the housing is provided with two pin slots and two terminal holes; the pin slot is a long slot, and the two pin slots are arranged at intervals; the two terminal holes are arranged at intervals; a rotating shaft, which is rotatably arranged in the casing; Two pins, which are respectively located in the two pin grooves of the housing, each pin is fixed on the rotating shaft, and the inner end of each pin is provided with a rear contact portion, and the outer surface of each pin is adjacent to its inner end. The contact part, the side contact part deviates from the axis of the rotating shaft; Two terminals, which are installed in the housing, the outer ends of the two terminals are respectively pierced through the two terminal holes of the housing, and the inner end of each terminal is provided with a rear contact part and a side contact part; the rear contact part and the side contact part of each terminal The contact portions selectively contact the rear contact portion and the side contact portion of the corresponding pins respectively. 2 . The swivel adapter for a power supply according to claim 1 , wherein the rotating shaft includes a pivoting portion, the pivoting portion is pivoted to the casing, and the pivoting portion is located between the two pins. 3 . The rotary adapter of a power supply according to claim 2 , wherein the casing includes a fixing piece, the fixing piece is sleeved on the pivoting portion of the rotating shaft, and is installed and fixed on the inner wall of the casing. 4 . 4. The rotary adapter of a power supply according to claim 3, wherein the pivoting part of the rotating shaft is a cam; And the pivoting part of the rotating shaft is sandwiched between the interposing part, and the interposing part can be stretched apart by the pivoting part. 5. The rotary adapter of a power supply according to claim 4, wherein a positioning block protrudes radially from the pivoting part of the rotating shaft; a positioning groove is recessed on the inner wall of the interposing part; the positioning block of the rotating shaft selectively pass through and abut against the positioning groove of the clamping part. 6 . The rotary adapter for a power supply according to claim 1 , wherein the rotation angle of the pin and the rotating shaft relative to the housing is between 0° and 90°. 7 . 7. The rotary adapter for power supply according to any one of claims 1 to 5, wherein the rear contact portion and the side contact portion of the terminal are elastic pieces. 8 . The rotary adapter for a power supply according to claim 6 , wherein the rear contact portion and the side contact portion of the terminal are both elastic pieces. 9. The rotary adapter for a power supply according to any one of claims 1 to 5, wherein the casing includes a base and a top cover, the pin slots are formed on the base, and the terminal holes are formed on the top build. 10. The rotary adapter for power supply as claimed in claim 8, wherein the casing comprises a base and an upper cover, the pin slots are formed on the base, and the terminal holes are formed on the upper cover.

Images