CN218215934U - Manual maintenance switch - Google Patents

Abstract

The utility model relates to the technical field of switches, especially, relate to a manual maintenance switch. The manual maintenance switch comprises a female connector and a male connector, the female connector comprises a female connector shell, female connector conductive terminals are arranged inside the female connector shell, the male connector comprises a male connector shell, male connector conductive terminals are arranged inside the male connector shell, a guide body is arranged on the female connector shell, a guide groove is formed in the male connector shell, the guide body can be inserted into the guide groove and moves in the guide groove, the front end of the guide groove is provided with an unidirectional passing structure through which the guide body can pass in a unidirectional mode, and the guide body has a connection position connecting the female connector and the male connector and an open position disconnecting the female connector and the male connector when moving in the guide groove. The utility model discloses manual maintenance switch can avoid plug and socket because of not to inserting the deposition, can greatly reduce the possibility that the plug loses simultaneously.

Description

Manual maintenance switch

Technical Field

The utility model relates to the technical field of switches, especially, relate to a manual maintenance switch.

Background

The manual maintenance switch that present electrical power generating system used is mostly plug and socket detachable, for example the chinese utility model patent that the grant bulletin number is CN209266223U discloses a durable manual maintenance switch, including socket and plug, it is provided with the U-shaped handle to rotate on the plug, and the U-shaped handle includes connecting portion and sets up the curb plate at the connecting portion both ends, connecting portion and plug, is connected through elasticity locking mechanism between the socket, is equipped with the supplementary release mechanism of the socket and the separation of plug of being convenient for in the plug, during operation plug and socket are inserted and are closed, plug and socket separation when out of work. For another example, the chinese utility model patent with the publication number CN207082693U discloses a manual maintenance protection switch, which includes a socket housing, a plug housing and an electrical connection portion fixed in the socket housing and the plug housing, wherein the plug housing is provided with a handle, the electrical connection portion is a completed access structure when the plug housing and the socket housing are plugged, and the electrical connection portion is disconnected when the plug housing and the socket housing are separated.

The plug and the socket are plugged in the existing manual maintenance switch during working, and the plug and the socket are separated during non-working, so that the problems that the plug and the socket are not plugged in the manual maintenance switch in the form, for example, dust is accumulated due to non-plugging, the plug is lost due to independent placement and the like are easily caused during the assembling, running or maintenance process of a power supply system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual maintenance switch to solve the plug and socket that current manual maintenance switch exists and do not insert when closing plug, the easy deposition of socket and the easy problem of losing of plug.

In order to achieve the above purpose, the utility model discloses manual maintenance switch adopts following technical scheme:

the utility model provides a manual maintenance switch, including female connector and public grafting plug-in components, female connector includes female connector casing, the inside female connector conductive terminal that is equipped with of female connector casing, public grafting plug-in components include public grafting plug-in components casing, the inside public grafting plug-in components conductive terminal that is equipped with of public grafting plug-in components casing, be equipped with the guide body on the female connector casing, be equipped with the guide way on the public grafting plug-in components casing, the guide body can insert the guide way and move about in the guide way, the front end of guide way is equipped with the one-way structure that passes through that can supply the guide body one-way, the guide body has the position of being connected that makes female connector and public grafting plug-in components and the disconnected position that makes female connector and public grafting plug-in components disconnection when the activity in the guide way.

Has the advantages that: when the female connector and the male connector are inserted in a butting way, the guide body can enter the guide groove through the one-way passing structure at the front end of the guide groove and move in the guide groove, and when the guide body moves to a connection position, the female connector and the male connector are electrically connected; when needs are with female connector and public connecing plug-in components disconnection, the reverse activity of control guide body in the guide way, female connector and public connecing plug-in components disconnection when the guide body activity is to the open position, because the front end of guide way is equipped with one-way structure of passing through, can prevent that the guide body outwards deviates from the guide way, thereby make female connector and public connecing plug-in components be in to inserting but the state of nonconducting, consequently can avoid plug and socket because of not inserting the deposition, can greatly reduce the possibility that the plug loses simultaneously.

Further, the one-way passing structure is a wedge-shaped block, the guide body is an elastic guide body, the guide body is extruded and deformed when being inserted into the guide groove and passes through the wedge-shaped block, and after passing through the wedge-shaped block, the shape of the guide body is restored and forms stop fit with the wedge-shaped block to prevent the guide body from being pulled out.

Has the advantages that: the elastic guide body is matched with the wedge-shaped block, so that the structure is simple and the arrangement is convenient.

Or the one-way passing structure is an elastic wedge block, the elastic wedge block is extruded and deformed when the guide body is inserted into the guide groove, and the guide body returns through the shape of the rear elastic wedge block and forms a stop fit with the guide body to prevent the guide body from being pulled out.

Has the advantages that: simple structure and good anti-falling effect.

Furthermore, the guide bodies and the guide grooves are respectively provided with two guide bodies which are in one-to-one correspondence, the two guide bodies are symmetrically arranged relative to the axis of the shell of the female connector, and the centers of the two guide grooves are symmetrically arranged.

Has the advantages that: set up two pairs of direction cooperation structures, the direction effect is better, and two positions that can be symmetrical in week are locked female connector and public grafting plug-in components spacing moreover, and the anticreep effect is better.

Furthermore, the guide groove comprises a leading-in section, a transition section and an inserting section, the leading-in section and the inserting section extend along the axial direction of the male connector, the transition section is arc-shaped, one end of the transition section is communicated with the leading-in section, the other end of the transition section is communicated with the inserting section, and when the male connector and the female connector are inserted oppositely, the guide body sequentially passes through the leading-in section, the transition section and the inserting section.

Has the advantages that: when the female connector and the male connector are inserted oppositely, the guide body firstly enters the leading-in section, then the male connector is rotated to enable the guide body to slide in the transition section, finally the male connector is pushed forwards to enable the guide body to enter the inserting section, and the guide groove is set to be of a segmented structure, so that the conductive terminals of the male connector and the conductive terminals of the female connector can be prevented from being conducted mistakenly to a certain extent.

Further, the lead-in section is circumferentially spaced from the insertion section by 90 °.

Has the advantages that: the leading-in section and the inserting section are circumferentially spaced at a proper angle, so that the length of the transition section is moderate, and the female connector and the male connector are convenient to connect and disconnect.

Furthermore, a spherical bulge is arranged in the transition section and close to the leading-in section, the spherical bulge can radially stretch out and draw back, the spherical bulge is extruded and deformed by the guide body to leave the channel when the guide body moves to the spherical bulge, and the shape of the spherical bulge is recovered after the guide body passes through the spherical bulge.

Has the advantages that: the spherical bulge can play certain effect of blockking to the guide body, and the guide body just can cross the spherical bulge and continue the activity when the spherical bulge atress is enough to make it take place to deform, can prevent that public joint plug-in components conductive terminal and female connector conductive terminal misleading through setting up the spherical bulge, improves manual maintenance switch's factor of safety.

Further, female connector conductive terminal includes female connector high-voltage terminal and female connector low-voltage terminal, female connector high-voltage terminal is one end open-ended arc wall, public connecing plug-in components conductive terminal includes public connecing plug-in components high-voltage terminal and public connecing plug-in components low-voltage terminal, public connecing plug-in components high-voltage terminal is arc plate structure, public connecing plug-in components high-voltage terminal accessible arc wall's notch gets into or shifts out the arc wall in order to realize being connected or breaking off with female connector high-voltage terminal when rotatory public connecing plug-in components, public connecing plug-in components low-voltage terminal highly is less than public connecing plug-in components high-voltage terminal, public connecing plug-in components low-voltage terminal is used for being connected with female connector low-voltage terminal electricity.

Has the beneficial effects that: the high-voltage terminal of the male connector is an arc-shaped groove with an opening at one end, the high-voltage terminal of the male connector is of an arc-shaped plate structure, the male connector can be switched on with the high-voltage terminal of the female connector by rotating the male connector in the forward direction, the male connector can be switched off with the high-voltage terminal of the female connector by rotating the male connector in the reverse direction, the high-voltage terminal of the male connector is not easy to be damaged by the axial acting force when being switched on or switched off, and particularly, the high-voltage terminal of the male connector and the high-voltage terminal of the female connector can be prevented from being switched on mistakenly to a certain extent when being switched off.

Furthermore, one of the female connector shell and the male connector shell is provided with a positioning pin, the other one of the female connector shell and the male connector shell is correspondingly provided with a positioning hole or a positioning groove, the positioning pin can stretch and move along the radial direction of the connector shell where the positioning pin is located, and when the female connector and the male connector are inserted in place, the positioning pin can be bounced into the positioning hole or the positioning groove to lock and limit the female connector and the male connector.

Has the advantages that: through setting up the locating pin and insert the back of putting in place female connector and public connector and lock spacing to both, avoid both to take place relative displacement to guarantee that the electric passage is stable.

Furthermore, a positioning pin is arranged on the female connector shell, a positioning hole or a positioning groove is correspondingly arranged on the male connector shell, and the positioning pin and the guide body are positioned on the same bus of the female connector shell.

Drawings

Fig. 1 is a schematic view of embodiment 1 of the manual service switch of the present invention;

FIG. 2 is a schematic view of the female connector of FIG. 1 from a first perspective;

FIG. 3 is a second perspective view of the female connector of FIG. 1;

FIG. 4 is a schematic view of the male connector of FIG. 1;

FIG. 5 is a front view of the male insert of FIG. 4;

FIG. 6 isbase:Sub>A cross-sectional view taken at A-A of FIG. 5;

fig. 7 is an enlarged schematic view of fig. 6 at P.

In the figure: 1. a female connector; 101. a female connector housing; 102. a female connector high voltage terminal; 103. a female connector low voltage terminal; 104. a guide body; 105. positioning pins; 106. mounting a female connector; 107. mounting holes; 108. a female connector sealing gasket; 2. a male plug-in; 201. a male plug-in housing; 202. a male plug-in high voltage terminal; 203. a male plug low voltage terminal; 204. a guide groove; 205. a lead-in section; 206. a transition section; 207. an insertion section; 208. positioning holes; 209. an elastic wedge-shaped block; 210. a handle; 211. a male plug-in seal; 212. and (4) a spherical bulge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses manual maintenance switch's embodiment 1:

the manual maintenance switch comprises a female connector 1 and a male connector 2, as shown in fig. 1, the female connector 1 is provided with a mounting hole 107 for mounting a fastener, and the female connector 1 can be fixedly mounted on a power supply box body during use. The female connector 1 has a structure as shown in fig. 2 and 3, and includes a female connector housing 101, the female connector housing 101 is a cylindrical structure with openings at both ends, one end of the female connector housing is provided with a female connector mounting plate 106 to close the opening, and the other end is used for mating with the male connector 2. The four corners of the female connector mounting plate 106 are provided with mounting holes 107, female connector conductive terminals are arranged on the female connector mounting plate 106, the female connector conductive terminals are covered in the female connector shell 101 and comprise two female connector high-voltage terminals 102 and a female connector low-voltage terminal 103, the female connector high-voltage terminals 102 are arc-shaped grooves with openings in one side, the two female connector high-voltage terminals 102 are in central symmetry, and the female connector low-voltage terminal 103 is located at the central position of the female connector mounting plate 106.

The female connector housing 101 is provided with two guide bodies 104, the guide bodies 104 are guide pins disposed on the outer side surface of the female connector housing 101, and the two guide pins are symmetrically arranged with respect to the axis of the female connector housing 101 and are respectively used for sliding fit with the two guide grooves 204 on the male connector housing 201. The outer side of the female connector housing 101 is further provided with a positioning pin 105 for cooperating with a positioning hole 208 on the male connector housing 201. The positioning pin 105 is made of rubber, the positioning pin 105 can stretch and move along the radial direction of the female connector shell 101, when the female connector 1 and the male connector 2 are inserted in place and conducted, the positioning pin 105 can be inserted into the positioning hole 208 of the male connector shell 201 to lock the female connector 1 and the male connector 2 in the conducting position, relative displacement of the female connector 1 and the male connector 2 is avoided, and therefore stability of an electric path is guaranteed. The positioning pins 105 and the guide bodies 104 are arranged at intervals along a side away from the female connector mounting plate 106, and the positioning pins 105 and the guide bodies 104 are located on the same bus line of the female connector housing 101.

The structure of the male plug-in unit 2 is as shown in fig. 4 to fig. 7, and includes a male plug-in unit housing 201, the male plug-in unit housing 201 is a cylindrical structure with one open end and one closed end, a male plug-in unit conductive terminal is disposed inside the male plug-in unit housing 201, the male plug-in unit conductive terminal includes two male plug-in unit high-voltage terminals 202 and a male plug-in unit low-voltage terminal 203, the male plug-in unit high-voltage terminal 202 is an arc plate-shaped structure and can be inserted into the female plug-in unit high-voltage terminal 102 to be electrically connected with the female plug-in unit high-voltage terminal 102, and the height of the male plug-in unit low-voltage terminal 203 is lower than the male plug-in unit high-voltage terminal 202 for being electrically connected with the female plug-in unit low-voltage terminal 103.

The inner side wall of the male connector housing 201 is provided with a guide groove 204, and the guide groove 204 is used for the guide body 104 of the female connector housing 101 to insert and slide in the guide groove 204. The guide groove 204 includes a leading-in section 205, a transition section 206 and an insertion section 207, the leading-in section 205 extends towards the open end of the male plug-in unit 2, the insertion section 207 extends towards the closed end of the male plug-in unit 2, the leading-in section 205 and the insertion section 207 both extend along the axial direction of the male plug-in unit 2, the transition section 206 is arc-shaped, one end of the transition section 206 is communicated with the leading-in section 205, the other end is communicated with the insertion section 207, and the leading-in section 205 and the insertion section 207 are circumferentially spaced by 90 °. The front end of the guide groove 204 is provided with an elastic wedge block 209 for the guide body 104 to pass through in one direction, and the elastic wedge block 209 is made of rubber. When the female connector 1 and the male connector 2 are inserted into each other, the guide 104 presses the elastic wedge 209 to deform the elastic wedge 209, so that the guide 104 passes through the elastic wedge 209 and enters the guide groove 204, and after the guide 104 passes through the elastic wedge 209, the shape of the elastic wedge 209 is restored to stop the guide 104 in the forward direction, so that the guide 104 cannot be removed from the guide groove 204 again. A spherical bulge 212 is arranged in the transition section 206 and close to the leading-in section 205, and a rubber block is arranged at the bottom of the spherical bulge 212, so that the spherical bulge 212 can be radially stretched. During opposite insertion, the guide body 104 firstly enters the lead-in section 205, at the same time, the female connector conductive terminal and the male connector conductive terminal are in a disconnected state, then the male connector 2 is rotated to enable the guide body 104 to cross the spherical bulge 212 and move in the transition section 206, and after the male connector 2 is rotated by 90 degrees, the male connector 2 is pushed in axially to enable the guide body 104 to enter the insertion section 207, so that the female connector conductive terminal and the male connector conductive terminal are communicated.

The inner side surface of the male connector shell 201 is also provided with a positioning hole 208, the positioning hole 208 is close to the opening end of the male connector 2, when the male connector 2 and the female connector 1 are inserted in place, the positioning hole 208 is right aligned with the positioning pin 105 on the female connector 1, the positioning pin 105 can be inserted into the positioning hole 208 to lock and limit the female connector 1 and the male connector 2, relative displacement of the male connector 2 of the female connector 1 is avoided, and accordingly stability of an electric path is guaranteed. After the male connector 2 and the female connector 1 are inserted in place, the male connector and the female connector cannot move without large external force.

When the male connector 2 and the female connector 1 are inserted in place, the conductive terminals of the male connector and the conductive terminals of the female connector are conducted. When the conductive terminals of the male connector and the conductive terminals of the female connector need to be disconnected, the guide body 104 is controlled to reversely move in the guide groove 204, the male connector 2 is pulled outwards, then the male connector 2 is rotated in a reverse direction by 90 degrees, so that the conductive terminals of the male connector and the conductive terminals of the female connector are disconnected, at the moment, due to the blocking effect of the elastic wedge block 209 at the front end of the guide groove 204, the guide body 104 can be prevented from being separated from the guide groove 204, the male connector 2 and the female connector 1 are in an opposite-insertion but non-conduction state, therefore, dust accumulation of the male connector 2 and the female connector 1 due to non-opposite-insertion can be avoided, and the possibility of losing the male connector 2 can be greatly reduced.

The conductive terminals of the male connector and the conductive terminals of the female connector are required to be conducted, external force is required to be applied to enable the guide body 104 to pass over the spherical protrusions 212 and then rotate continuously, and when no external force is applied by a worker, the guide body 104 is not easy to pass over the spherical protrusions 212, so that the conductive terminals of the male connector and the conductive terminals of the female connector can be prevented from being conducted mistakenly to a certain extent, and the safety coefficient is improved.

In order to facilitate the operation of the male connector housing 201, a handle 210 is further provided at an end of the male connector housing 201 facing away from the open end.

In order to guarantee the protection level of the power supply box body and reduce the risk of water vapor invasion short circuit of the power supply system, a female connector sealing gasket 108 is arranged on the end face, back to the female connector shell 101, of the female connector mounting plate 106, a male connector sealing gasket 211 is arranged at the bottom of the inner side of the male connector shell 201, after a manual maintenance switch is mounted on the power supply box body, the female connector 1 and the power supply box body are sealed, and meanwhile, the male connector 2 and the female connector 1 are sealed, so that the requirement of the power supply box body on the protection level of at least IP67 is met.

Example 2: in the above embodiment 1, the elastic wedge is provided at the front end of the guide groove as the one-way passing structure, but in the present embodiment, the inelastic wedge is provided at the front end of the guide groove as the one-way passing structure, and the guide body is the elastic guide body, and when inserted into the guide groove, the guide body is pressed and deformed to pass through the wedge, and after passing through the wedge, the shape of the guide body is restored and forms a stop engagement with the wedge to prevent the guide body from coming off.

Example 3: the difference from the embodiment 1 is that, instead of the elastic wedge-shaped block at the front end of the guide slot, the shutter is arranged at the front end of the guide slot, when the guide body is inserted, the shutter can be pushed away by the guide body to enter the guide slot, and when the guide body is automatically swung back through the rear shutter, the guide body and the guide body can form a stop fit after swinging back, so as to prevent the guide body from being pulled out.

Example 4: in the above embodiment 1, two guide bodies and two guide grooves are provided, and the two guide grooves correspond to the two guide bodies one to one. In other embodiments, more than three guide bodies and guide grooves can be arranged, wherein the angles of the leading-in section and the inserting section of the guide grooves in the circumferential direction are smaller than 90 degrees, and the length of the transition section is relatively reduced.

Example 5: while in embodiment 1 described above the two guide bodies are arranged symmetrically with respect to the axis of the female connector housing and the two guide grooves are arranged centrosymmetrically, in this embodiment the two guide bodies are circumferentially spaced by 120 °, and correspondingly, the positions of the two guide grooves in the circumferential direction are also adjusted adaptively so that the two guide grooves are adapted to the two guide body angles, respectively. In other embodiments, the two guide bodies may be spaced by other angles such as 100 ° and 150 ° in the circumferential direction, and the two guide grooves are adapted to the two guide body angles respectively.

Example 6: in the above embodiment 1, the introduction section of the guide groove is circumferentially spaced from the insertion section by 90 °, whereas in the present embodiment, the introduction section of the guide groove is circumferentially spaced from the insertion section by 60 °. In other embodiments, the lead-in section and the insertion section may be circumferentially spaced by other angles such as 30 ° and 100 °.

Example 7: in the above embodiment 1, the female connector high-voltage terminal is an arc-shaped groove with an opening at one end, the male connector high-voltage terminal is an arc-shaped plate-shaped structure, and the male connector high-voltage terminal enters or moves out of the arc-shaped groove through the notch, while in this embodiment, the female connector high-voltage terminal and the male connector high-voltage terminal are both flat-plate-shaped structures, and the male connector is rotated by 90 ° and then pushed in axially so as to electrically connect the male connector high-voltage terminal and the female connector high-voltage terminal.

Example 8: in the above embodiment 1, the positioning pin is disposed on the female connector housing, the positioning hole is disposed on the male connector housing, and when the positioning pin is aligned with the positioning hole, the positioning pin can be inserted into the positioning hole to lock and limit the female connector and the male connector. In other embodiments, a positioning pin may be disposed on the male connector housing, and a positioning hole or a positioning groove may be correspondingly disposed on the female connector housing.

Example 9: in the above embodiment 1, the positioning pin is made of rubber, and the positioning pin itself can deform, so as to achieve the purpose of radial telescopic movement. In other embodiments, the spring may be fixed at the bottom of the positioning pin, so that the other end of the spring is fixed opposite to the outer side surface of the female connector housing, thereby allowing the positioning pin to move in a radial direction of the female connector housing.

Example 10: in the above embodiment 1, the positioning pin and the guide body are located on the same bus bar of the female connector housing, whereas in the present embodiment, the positioning pin and the guide body are circumferentially displaced.

Example 11: in the above embodiment 1, the spherical protrusion is provided in the transition section near the introduction section, and the rubber block is provided at the bottom of the spherical protrusion to make the spherical protrusion radially retractable. In other embodiments, the spherical protrusion can be made of rubber, so that the spherical protrusion deforms when being stressed, and the shape of the spherical protrusion automatically recovers after the external force is removed.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, the scope of the present invention is defined by the appended claims, and all the structural changes equivalent to the content of the description and the attached drawings should be included in the same way.

Claims (10)

1. The utility model provides a manual maintenance switch, includes female connector (1) and public connecing plug-in components (2), and female connector (1) is including female connector casing (101), and female connector casing (101) inside is equipped with female connector conductive terminal, and public connecing plug-in components (2) are including public connecing plug-in components casing (201), and public connecing plug-in components casing (201) inside is equipped with public connecing plug-in components conductive terminal, its characterized in that: the female connector shell (101) is provided with a guide body (104), the male connector shell (201) is provided with a guide groove (204), the guide body (104) can be inserted into the guide groove (204) and can move in the guide groove (204), the front end of the guide groove (204) is provided with a one-way passing structure through which the guide body (104) can pass in one way, and the guide body (104) has a connection position for connecting the female connector (1) and the male connector (2) and a disconnection position for disconnecting the female connector (1) and the male connector (2) when moving in the guide groove (204).

2. The manual service switch of claim 1, wherein: the one-way passing structure is a wedge block, the guide body (104) is an elastic guide body (104), the guide body (104) is extruded and deformed to pass through the wedge block when being inserted into the guide groove (204), and the guide body (104) is restored in shape after passing through the wedge block and forms stop fit with the wedge block to prevent the guide body (104) from being pulled out.

3. The manual service switch of claim 1, wherein: the one-way passing structure is an elastic wedge block (209), the elastic wedge block (209) is extruded and deformed when the guide body (104) is inserted into the guide groove (204), and the guide body (104) is restored in shape through the rear elastic wedge block (209) and forms stop fit with the guide body (104) to prevent the guide body (104) from being pulled out.

4. The manual service switch of any one of claims 1-3, wherein: the two guide bodies (104) and the two guide grooves (204) are respectively provided with two guide bodies and are in one-to-one correspondence, the two guide bodies (104) are symmetrically arranged relative to the axis of the female connector shell (101), and the two guide grooves (204) are symmetrically arranged in the center.

5. The manual service switch of any one of claims 1-3, wherein: guide way (204) are including leading-in section (205), changeover portion (206) and insertion section (207), leading-in section (205), insertion section (207) all extend along the axial of public affairs grafting-in piece (2), changeover portion (206) are the arc, the one end and the leading-in section (205) of changeover portion (206) communicate, the other end and insertion section (207) communicate, when public affairs grafting-in piece (2) and female connector (1) are to inserting, guide body (104) loop through leading-in section (205), changeover portion (206), insertion section (207).

6. The manual service switch of claim 5, wherein: the insertion section (205) is circumferentially spaced from the insertion section (207) by 90 °.

7. The manual service switch of claim 5, wherein: the transition section is internally provided with a spherical bulge close to the leading-in section, the spherical bulge can radially stretch, the spherical bulge is extruded and deformed by the guide body to leave the passage when the guide body moves to the spherical bulge, and the shape of the spherical bulge is recovered after the guide body passes through the spherical bulge.

8. The manual service switch of claim 5, wherein: the female connector conductive terminal comprises a female connector high-voltage terminal (102) and a female connector low-voltage terminal (103), the female connector high-voltage terminal (102) is an arc-shaped groove with one open end, the male connector conductive terminal comprises a male connector high-voltage terminal (202) and a male connector low-voltage terminal (203), the male connector high-voltage terminal (202) is of an arc-shaped plate structure, the male connector high-voltage terminal (202) can enter or move out of the arc-shaped groove through the notch of the arc-shaped groove to be connected with or disconnected from the female connector high-voltage terminal (102) when the male connector (2) is rotated, the height of the male connector low-voltage terminal (203) is lower than that of the male connector high-voltage terminal (202), and the male connector low-voltage terminal (203) is used for being electrically connected with the female connector low-voltage terminal (103).

9. The manual service switch of any one of claims 1-3, wherein: one of the female connector shell (101) and the male connector shell (201) is provided with a positioning pin (105), the other is correspondingly provided with a positioning hole (208) or a positioning groove, the positioning pin (105) can stretch and move along the radial direction of the connector shell where the positioning pin is located, and when the female connector (1) and the male connector (2) are inserted in place, the positioning pin (105) can be inserted into the positioning hole (208) or the positioning groove to lock and limit the female connector (1) and the male connector (2).

10. The manual service switch of claim 9, wherein: the female connector shell (101) is provided with a positioning pin (105), the male connector shell (201) is correspondingly provided with a positioning hole (208) or a positioning groove, and the positioning pin (105) and the guide body (104) are positioned on the same bus of the female connector shell (101).

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