Changeover plug for motor home

Abstract

The invention discloses a touring car change-over plug which comprises a shell, a change-over socket and a change-over plug, the change-over socket and the change-over plug are both arranged in the shell, the right side face of the change-over socket is connected with the left side face of the change-over plug in a clamped mode, and the change-over plug is provided with a connecting base, two power source pins and a ground wire pin. The ground wire pin is arranged below the position between the two power supply pins, the left end faces of the power supply pins and the ground wire pin are fixedly connected with the right end face of the connecting base, the connecting base is fixedly connected with the right end face of the change-over plug, a first clamping strip is arranged on the side face of each power supply pin, and the first clamping strips and the power supply pins are integrally formed. A second clamping strip is arranged on the side face of the ground wire pin, the second clamping strip is perpendicular to the inner side face of the ground wire pin, the second clamping strip and the ground wire pin are integrally formed, and the first clamping strip and the second clamping strip are consistent in position and direction on the power source pin and the ground wire pin. The adapter plug has the beneficial effects that the size is small, and the purpose of improving the stability of external connection and internal part connection of the adapter plug is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field related to conversion plugs, and in particular to a conversion plug for recreational vehicles. Background Art

[0002] The trend of RVs is becoming more and more popular. Different places and different electrical appliances have different requirements for corresponding sockets, but the space inside the RV itself is relatively small. The existing conversion plugs are relatively large and complex. Moreover, RVs need to travel for a long time, and the vibration will be more frequent during driving. The conversion plug needs to improve the connection stability. In addition, there are many parts inside the conversion plug. Long-term vibration will cause poor contact of the internal parts of the conversion plug, affecting the service life of the conversion plug.

[0003] The power plug converter disclosed in the Chinese patent publication number CN107394492A and the authorization publication date November 24, 2017 belongs to the technical field of power plug conversion, and includes a first main body, one end of which has a first plug and a first collection hole, and the other end or side has a first jack, and the first jack is electrically connected to the first plug; a second main body, one end of which has a second plug and a second collection hole, and the other end or side has a second jack, and the second jack is electrically connected to the second plug; when stored, the plug end of the first main body is opposite to the plug end of the second main body, the first plug is inserted into the second collection hole, and the second plug is inserted into the first collection hole; the power plug converter provided by the present invention has a first plug and a first collection hole on the first main body, and a second plug and a second collection hole on the second main body, the first collection hole is set according to the type of the second plug, and the second collection hole is set according to the type of the first plug, so that the type of the first plug or the second plug will not be limited due to storage needs. The disadvantage of the invention is that there is no corresponding connection and fixing structure outside the conversion plug and inside the conversion plug, and the volume is relatively large. Summary of the invention

[0004] The present invention aims to overcome the shortcomings of the prior art that the conversion plug is large in size and the connection between the external connection and the internal parts is not stable enough, and provides a conversion plug for RVs with a small size and improved connection stability between the external connection and the internal parts of the conversion plug.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A conversion plug for a motorhome comprises a shell, a conversion socket and a conversion plug, wherein the conversion socket and the conversion plug are both placed in the shell, the conversion socket is placed on the left side of the conversion plug, the right side surface of the conversion socket is snap-connected with the left side surface of the conversion plug, the conversion plug is provided with a connecting base, a power pin and a ground pin, there are two power pins, the ground pin is placed below between the two power pins, the left end surfaces of the power pin and the ground pin are both fixedly connected to the right end surface of the connecting base, the connecting base is fixedly connected to the right end surface of the conversion plug, a first clamping strip is provided on the side surface of the power pin, the first clamping strip is integrally formed with the power pin, a second clamping strip is provided on the side surface of the ground pin, the second clamping strip is perpendicular to the inner side surface of the ground pin, the second clamping strip is integrally formed with the ground pin, and the first clamping strip and the second clamping strip are consistent in position direction of the power pin and the ground pin.

[0006] During installation, the conversion socket and the conversion plug are both placed in the shell, without any extra parts leaking out, and the connecting base and the conversion socket are fixedly connected to the inner wall of the shell, which can reduce the volume and ensure the connection between the conversion socket and the conversion plug; when in use, just plug the power pin and the ground wire pin into the socket board on the RV to turn on the power, and the card strips 1 and 2 are hooked with the inside of the socket board on the RV, so that the power pin and the ground wire pin can be connected to the socket board on the RV more stably, and will not easily loosen or detach, thereby achieving the purpose of smaller volume and improving the stability of the external connection of the conversion plug and the connection of internal parts.

[0007] Preferably, the right end of the power pin is in a trapezoidal shape, and the clamping strip is placed on the hypotenuse of the trapezoid of the power pin. The trapezoidal shape can make the power pin more firmly connected to the plugboard on the RV.

[0008] Preferably, the right end of the grounding pin is in a trapezoidal shape, a corresponding groove is provided on the side of the grounding pin, the corresponding groove is connected to the front end of the grounding pin, and the second clamping strip is placed behind the corresponding groove. The corresponding groove can cooperate with the second clamping strip and the grounding pin to connect with the plug board on the RV to limit the position and be more stable.

[0009] Preferably, the connection base is provided with a plurality of clamping holes 1, and the right end surface of the conversion plug is provided with a plurality of clamping blocks, the clamping holes 1 correspond to the clamping blocks one by one, and the connection base is clamped with the conversion plug through the cooperation of the clamping holes 1 and the clamping blocks. The cooperation of the clamping holes 1 and the clamping blocks can make the connection between the connection base and the conversion plug more stable.

[0010] Preferably, a clamping strip 3 is provided on the left end surface of the conversion plug, and the clamping strip 3 is fixedly connected to the left end surface of the conversion plug. A clamping slot 1 is provided on the lower end surface of the conversion socket, and the clamping strip 3 corresponds to the clamping slot 1. The conversion plug is clamped with the conversion socket through the cooperation of the clamping strip 3 and the clamping slot 1. The clamping strip 3 and the clamping slot 1 can limit the conversion plug and the conversion plug.

[0011] Preferably, a card strip four, a ground wire metal sheet and two connecting metal sheets are provided on the right end surface of the conversion socket, there are two card strips four and they are respectively placed on the left and right sides of the ground wire metal sheet, the card strip four is fixedly connected to the right end surface of the conversion socket, the ground wire metal sheet is snap-connected to the conversion socket, two card slots two and two card slots three are provided on the left side surface of the conversion plug, the card slot two corresponds one-to-one with the card strip four, the conversion plug is snap-connected to the conversion socket through the cooperation of the card strip four and the card slot two, the right end of the ground wire metal sheet is electrically connected to the ground wire pin, the connecting metal sheet is snap-connected to the conversion socket, the connecting metal sheet corresponds one-to-one with the card slot three, the right end of the connecting metal sheet is placed in the card slot three and contacts with the inner wall of the card slot three, the connecting metal sheet corresponds one-to-one with the power pin, the right end of the connecting metal sheet is electrically connected to the power pin, and the right end surface of the connecting base is fixedly connected to the right side surface in the shell. The fourth clamping strip and the second clamping slot can fix the position of the ground wire metal sheet, and the third clamping slot can limit the connection metal sheet to improve the stability of the electrical connection.

[0012] Preferably, the conversion socket is provided with a socket and a cover sheet, the sockets are three and are placed on the left end face of the conversion socket, the ground wire metal sheet and the two connecting metal sheets correspond to the sockets one by one, the left end of the ground wire metal sheet and the left ends of the two connecting metal sheets are placed in the sockets and connected to the inner wall of the sockets, the cover sheet is placed on the right side face of the conversion socket and fixedly connected to the right side face of the conversion socket, the right end of the ground wire metal sheet and the right ends of the two connecting metal sheets pass through the cover sheet and are placed to the right of the cover sheet, and the left end face of the conversion socket is fixedly connected to the left side face in the shell. The socket can limit the ground wire metal sheet and the connecting metal sheet, and the power can be smoothly turned on by using a tool plug.

[0013] Preferably, three second card holes are arranged on the left side of the shell, and the second card holes correspond to the jacks one by one. The second card holes on the shell allow the jacks to leak out, and the shell and the conversion socket can be fixedly connected to improve stability.

[0014] Preferably, three clamping holes 3 are arranged on the right end surface of the housing, two power pins and one ground pin correspond to the clamping holes 3 one by one, the right ends of the power pins and the ground pin pass through the clamping holes 3 and are placed on the right side of the housing, and the outer side surfaces of the power pins and the ground pins are fixedly connected to the inner wall of the clamping hole 3. The inner wall of the clamping hole 3 is fixed to the power pins and the ground pins, which is convenient for improving the stability of the power pins and the ground pins.

[0015] Preferably, a fixing support is provided on the left end surface of the cover plate, the right end of the fixing support is fixedly connected to the left end surface of the cover plate, there are two fixing supports corresponding to two power pins, and the fixing supports are placed under each power pin and contact the lower end surface of the power pin. The fixing support can hold the power pin and improve the stability of the power pin.

[0016] The beneficial effects of the present invention are: the volume is small, and the purpose of improving the stability of the external connection and the connection of the internal parts of the conversion plug is improved; the trapezoidal shape can make the power pin and the plug board on the RV more firmly connected; the corresponding groove can cooperate with the second clamping strip and the ground wire pin to limit the connection with the plug board on the RV and be more stable; the cooperation of the first clamping hole and the clamping block can make the connection between the connecting base and the conversion plug more stable; the third clamping strip and the first clamping slot can limit the conversion plug and the conversion plug; the fourth clamping strip and the second clamping slot can fix the position of the ground wire metal sheet, and the third clamping slot can limit the connecting metal sheet, thereby improving the stability of the electrical connection; the jack can limit the ground wire metal sheet and the connecting metal sheet, and the plug can be powered on smoothly; the second clamping hole on the shell can allow the jack to leak out, and the shell and the conversion socket can be fixedly connected to improve the stability; the inner wall of the third clamping hole is fixed to the power pin and the ground wire pin, which is convenient for improving the stability of the power pin and the ground wire pin; the fixed support can support the power pin and improve the stability of the power pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 yes Figure 1 An enlarged view of detail A; Figure 3 is an exploded view of the present invention; Figure 4 yes Figure 3 An enlarged view of detail B; Figure 5 yes Figure 3 An enlarged view of detail C; Figure 6 is a side view of the present invention; Figure 7 yes Figure 6 The cross-sectional view of DD; Figure 8 yes Figure 6 The cross-sectional view of EE; Fig. 9 This is an exploded view of the conversion socket; Fig.10 It is a schematic diagram of the structure of the shell.

[0018] In the figure: 1. shell, 2. conversion socket, 3. conversion plug, 4. connecting base, 5. power pin, 6. ground pin, 7. card strip 1, 8. card strip 2, 9. corresponding slot, 10. card hole 1, 11. card block, 12. card strip 3, 13. card slot 1, 14. card strip 4, 15. card slot 2, 16. ground metal sheet, 17. connecting metal sheet, 18. card slot 3, 19. cover plate, 20. jack, 21. card hole 2, 22. fixing bracket, 23. card hole 3. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] like Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, a conversion plug for a motorhome comprises a shell 1, a conversion socket 2 and a conversion plug 3. The conversion socket 2 and the conversion plug 3 are both placed in the shell 1. The conversion socket 2 is placed on the left side of the conversion plug 3. The right side of the conversion socket 2 is snap-connected with the left side of the conversion plug 3. The conversion plug 3 is provided with a connecting base 4, a power pin 5 and a ground pin 6. There are two power pins 5. The ground pin 6 is placed below between the two power pins 5. The left end faces of the power pin 5 and the ground pin 6 are both fixedly connected to the right end face of the connecting base 4. The connecting base 4 is fixedly connected to the right end face of the conversion plug 3. A clamping strip 1 7 is provided on the side of the power pin 5. The clamping strip 1 7 and the power pin 5 are integrally formed. A clamping strip 2 8 is provided on the side of the ground pin 6. The clamping strip 2 8 is perpendicular to the inner side face of the ground pin 6. The clamping strip 2 8 and the ground pin 6 are integrally formed. The positions and directions of the clamping strip 1 7 and the clamping strip 2 8 are consistent at the power pin 5 and the ground pin 6.

[0021] like Figure 1 and Figure 2 As shown, the right end of the power pin 5 is in the shape of a trapezoid, and the clamping strip 7 is placed on the hypotenuse of the trapezoid of the power pin 5.

[0022] like Figure 1 and Figure 2 As shown, the right end of the ground pin 6 is trapezoidal in shape, a corresponding groove 9 is provided on the side of the ground pin 6, the corresponding groove 9 is connected to the front end of the ground pin 6, and the second clamping strip 8 is placed behind the corresponding groove 9.

[0023] like Figure 3 and Figure 5As shown, a plurality of clamping holes 10 are provided on the connection base 4, and a plurality of clamping blocks 11 are provided on the right end surface of the conversion plug 3. The clamping holes 10 correspond to the clamping blocks 11 one by one, and the connection base 4 is clamped with the conversion plug 3 through the cooperation of the clamping holes 10 and the clamping blocks 11.

[0024] like Figure 3 and Figure 4 As shown, a clamping strip 3 12 is provided on the left end face of the conversion plug 3, and the clamping strip 3 12 is fixedly connected to the left end face of the conversion plug 3. A clamping groove 13 is provided on the lower end face of the conversion socket 2, and the clamping strip 3 12 corresponds to the clamping groove 13. The conversion plug 3 is clamped with the conversion socket 2 through the cooperation of the clamping strip 3 12 and the clamping groove 13.

[0025] like Figure 7 and Figure 8 As shown, a card strip 4 14, a ground wire metal sheet 16 and two connecting metal sheets 17 are provided on the right end surface of the conversion socket 2. There are two card strips 4 14 and they are respectively placed on the left and right sides of the ground wire metal sheet 16. The card strip 4 14 is fixedly connected to the right end surface of the conversion socket 2, and the ground wire metal sheet 16 is connected to the conversion socket 2. Two card slots 2 15 and two card slots 3 18 are provided on the left side surface of the conversion plug 3. The card slots 2 15 correspond to the card strips 4 14 one by one. The conversion plug 3 is connected to the conversion plug 3 through the card strips 4 14 and the card slots 2 15 is engaged with the conversion socket 2, the right end of the ground metal sheet 16 is electrically connected to the ground pin 6, the connecting metal sheet 17 is engaged with the conversion socket 2, the connecting metal sheet 17 corresponds to the slot three 18 one by one, the right end of the connecting metal sheet 17 is placed in the slot three 18 and contacts the inner wall of the slot three 18, the connecting metal sheet 17 corresponds to the power pin 5 one by one, the right end of the connecting metal sheet 17 is electrically connected to the power pin 5, and the right end surface of the connecting base 4 is fixedly connected to the right side surface inside the shell 1.

[0026] like Fig. 9 As shown, the conversion socket 2 is provided with a socket 20 and a cover sheet 19, there are three sockets 20 and they are placed on the left end surface of the conversion socket 2, the ground metal sheet 16 and the two connecting metal sheets 17 correspond to the sockets 20 one by one, the left end of the ground metal sheet 16 and the left ends of the two connecting metal sheets 17 are placed in the socket 20 and connected to the inner wall of the socket 20, the cover sheet 19 is placed on the right side surface of the conversion socket 2 and is fixedly connected to the right side surface of the conversion socket 2, the right end of the ground metal sheet 16 and the right ends of the two connecting metal sheets 17 pass through the cover sheet 19 and are placed on the right side of the cover sheet 19, and the left end surface of the conversion socket 2 is fixedly connected to the left side surface inside the housing 1.

[0027] like Figure 6 , Fig. 9 and Fig.10 As shown, three second card holes 21 are provided on the left side surface of the housing 1 , and the second card holes 21 correspond to the plug holes 20 one by one.

[0028] like Figure 3 , Figure 7 , Figure 8 and Fig. 9 As shown, three card holes 3 23 are provided on the right end surface of the shell 1, and two power pins 5 and one ground pin 6 correspond to the card holes 3 23 one by one. The right ends of the power pins 5 and the right ends of the ground pins 6 pass through the card holes 3 23 and are placed on the right side of the shell 1, and the outer side surfaces of the power pins 5 and the outer side surfaces of the ground pins 6 are fixedly connected to the inner walls of the card holes 3 23.

[0029] like Fig. 9 As shown, a fixed support plate 22 is provided on the left end surface of the cover plate 19, and the right end of the fixed support plate 22 is fixedly connected to the left end surface of the cover plate 19. There are two fixed support plates 22 and they correspond to the two power pins 5 one by one. The fixed support plates 22 are placed under each power pin 5 and contact the lower end surface of the power pin 5.

[0030] During installation, the conversion socket 2 and the conversion plug 3 are both placed in the housing 1, without any extra parts leaking out, the connecting base 4 and the conversion socket 2 are fixedly connected to the inner wall of the housing 1, which can reduce the volume and ensure the connection between the conversion socket 2 and the conversion plug 3, the connecting base 4 and the conversion plug 3 are connected by the card hole 10 and the card block 11, the card strip 3 12 and the card slot 13, the card strip 4 14 and the card slot 2 15, and the connecting metal sheet 17 is connected into the card slot 3 18 to improve the stability between the connecting base 4 and the conversion plug 3, the fixing bracket 22 on the cover plate 19 can stabilize the connecting metal sheet 17 in its position, improve the stability of the connecting metal sheet 17 and the ground wire metal sheet 16 in the conversion socket 2, the card hole 2 21 should correspond to the position of the socket 20, so that the shell 1 can protect the conversion socket 2 and expose the socket 20. The card hole three 23 should pass through the power pin 5 and the ground pin 6, and can be used to fix the power pin 5 and the ground pin 6; when in use, the power pin 5 and the ground pin 6 are inserted into the plug board on the RV and powered on. The card strip 1 7 and the card strip 2 8 are hooked with the inside of the plug board on the RV. The corresponding groove 9 and the trapezoidal power pin 5 and the ground pin 6 can make the ground pin 6 and the power pin 5 more accurately and firmly connected to the power-on part of the plug board on the RV, thereby improving the connection between the conversion plug 3 and the plug board on the RV. It is more stable and will not easily loosen or detach, thereby achieving the purpose of smaller volume and improving the stability of the external connection and internal parts connection of the conversion plug.

Claims

1. A conversion plug for a motorhome, characterized in that: The invention comprises a housing (1), a conversion socket (2) and a conversion plug (3), wherein the conversion socket (2) and the conversion plug (3) are both placed in the housing (1), the conversion socket (2) is placed on the left side of the conversion plug (3), the right side of the conversion socket (2) is snap-fitted with the left side of the conversion plug (3), and the conversion plug (3) is provided with a connecting base (4), a power pin (5) and a ground pin (6), wherein the power pin (5) has two, the ground pin (6) is placed below between the two power pins (5), and the left ends of the power pin (5) and the ground pin (6) are connected to each other. The two surfaces are fixedly connected to the right end surface of the connection base (4), the connection base (4) is fixedly connected to the right end surface of the conversion plug (3), a clamping strip (7) is provided on the side surface of the power pin (5), the clamping strip (7) and the power pin (5) are integrally formed, a clamping strip (8) is provided on the side surface of the ground pin (6), the clamping strip (8) is perpendicular to the inner side surface of the ground pin (6), the clamping strip (8) and the ground pin (6) are integrally formed, and the positions and directions of the clamping strip (7) and the clamping strip (8) are consistent at the power pin (5) and the ground pin (6).

2. A conversion plug for a motorhome according to claim 1, characterized in that: The right end of the power pin (5) is in the shape of a trapezoid, and the clamping strip 1 (7) is placed on the hypotenuse of the trapezoid of the power pin (5).

3. A conversion plug for a motorhome according to claim 1, characterized in that: The right end of the ground wire pin (6) is in the shape of a trapezoid. A corresponding groove (9) is provided on the side of the ground wire pin (6). The corresponding groove (9) is connected to the front end of the ground wire pin (6). The second clamping strip (8) is arranged behind the corresponding groove (9).

4. A conversion plug for a motorhome according to claim 1, characterized in that: The connection base (4) is provided with a plurality of clamping holes (10), and the right end surface of the conversion plug (3) is provided with a plurality of clamping blocks (11). The clamping holes (10) correspond to the clamping blocks (11) one by one, and the connection base (4) is clamped to the conversion plug (3) through the cooperation of the clamping holes (10) and the clamping blocks (11).

5. The conversion plug for RV according to claim 1, characterized in that: A clamping strip three (12) is provided on the left end surface of the conversion plug (3), and the clamping strip three (12) is fixedly connected to the left end surface of the conversion plug (3). A clamping groove one (13) is provided on the lower end surface of the conversion socket (2), and the clamping strip three (12) corresponds to the clamping groove one (13). The conversion plug (3) is clamped to the conversion socket (2) through the cooperation of the clamping strip three (12) and the clamping groove one (13).

6. A conversion plug for a motor home according to claim 1, characterized in that: The right end surface of the conversion socket (2) is provided with a clamping strip four (14), a ground wire metal sheet (16) and two connecting metal sheets (17). The clamping strip four (14) has two and is respectively placed on the left and right sides of the ground wire metal sheet (16). The clamping strip four (14) is fixedly connected to the right end surface of the conversion socket (2). The ground wire metal sheet (16) is clamped with the conversion socket (2). The left side surface of the conversion plug (3) is provided with two clamping slots two (15) and two clamping slots three (18). The clamping slots two (15) correspond to the clamping strip four (14) one by one. The conversion plug (3) is connected to the conversion plug (3) through the clamping strip four (14) and the clamping slots two (18). 15) is engaged with the conversion socket (2), the right end of the ground wire metal sheet (16) is electrically connected to the ground wire pin (6), the connecting metal sheet (17) is engaged with the conversion socket (2), the connecting metal sheet (17) corresponds to the third card slot (18) one by one, the right end of the connecting metal sheet (17) is placed in the third card slot (18) and contacts the inner wall of the third card slot (18), the connecting metal sheet (17) corresponds to the power pin (5) one by one, the right end of the connecting metal sheet (17) is electrically connected to the power pin (5), and the right end surface of the connecting base (4) is fixedly connected to the right side surface inside the housing (1).

7. A conversion plug for a motorhome according to claim 6, characterized in that: The conversion socket (2) is provided with a socket (20) and a cover plate (19). The sockets (20) are three in number and are arranged on the left end surface of the conversion socket (2). The ground wire metal sheet (16) and the two connecting metal sheets (17) correspond to the sockets (20) one by one. The left end of the ground wire metal sheet (16) and the left ends of the two connecting metal sheets (17) are both arranged in the socket (20) and connected to the inner wall of the socket (20). The cover plate (19) is arranged on the right side surface of the conversion socket (2) and is fixedly connected to the right side surface of the conversion socket (2). The right end of the ground wire metal sheet (16) and the right ends of the two connecting metal sheets (17) pass through the cover plate (19) and are arranged to the right of the cover plate (19). The left end surface of the conversion socket (2) is fixedly connected to the left side surface inside the housing (1).

8. A conversion plug for a motor home according to claim 7, characterized in that: Three second clamping holes (21) are provided on the left side surface of the housing (1), and the second clamping holes (21) correspond to the insertion holes (20) one by one.

9. The conversion plug for a motor home according to claim 1, characterized in that: The right end surface of the housing (1) is provided with three card holes (23), two power pins (5) and one ground pin (6) correspond to the card holes (23) one by one, the right ends of the power pins (5) and the right ends of the ground pin (6) pass through the card holes (23) and are placed on the right side of the housing (1), and the outer side surfaces of the power pins (5) and the outer side surfaces of the ground pin (6) are fixedly connected to the inner wall of the card hole (23).

10. A conversion plug for a motor home according to claim 7, characterized in that: A fixed support plate (22) is provided on the left end surface of the cover plate (19), the right end of the fixed support plate (22) is fixedly connected to the left end surface of the cover plate (19), there are two fixed support plates (22) and they correspond to the two power pins (5) one by one, and the fixed support plates (22) are both placed below the power pins (5) and in contact with the lower end surface of the power pins (5).

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