CN216015777U

CN216015777U - Female plug connector of electrical appliance, male plug connector of electrical appliance and plug connector of electrical appliance

Info

Publication number: CN216015777U
Application number: CN202122721039.0U
Authority: CN
Inventors: 裴俊杰; 黄飞
Original assignee: Chongqing Zongshen General Power Machine Co Ltd
Current assignee: Chongqing Zongshen General Power Machine Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-11
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to an electrical apparatus female plug, electrical apparatus public plug and electrical apparatus bayonet joint, specifically are electrical apparatus bayonet joint, including female plug and public plug, be provided with locking device between female plug and the public plug, female plug includes the portion of holding, the portion of holding is provided with the holding chamber that one end is uncovered, be provided with first conductive part on the portion of holding, first conductive part is located the holding chamber and extends along the opening direction of holding chamber, be provided with 1.5-3 mm's clearance between the inner wall of first conductive part and holding chamber; one end of the first conductive part facing the opening of the accommodating cavity is connected and covered with an insulating part; the male plug connector comprises a plug part and a second conductive part. The scheme improves the use safety of the electric appliance plug connector.

Description

Female plug connector of electrical appliance, male plug connector of electrical appliance and plug connector of electrical appliance

Technical Field

The utility model relates to a conductive connector specifically is an electrical apparatus bayonet joint.

Background

The electric appliance plug connector is a structure which utilizes the conductive parts respectively arranged on the plug part and the accommodating part to contact when in plug connection, thereby realizing circuit conduction. In the existing plug structure, at least one conductive part in the plug part and the accommodating part is exposed, and an operator can directly contact the conductive part, so that when the plug is plugged, the situation of electric shock is easily caused by mistaken contact, and the life safety of the operator is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high electrical apparatus bayonet joint of safety in utilization.

Another object of the utility model is to provide a female plug connector of electrical apparatus that the safety in utilization is high.

Another object of the utility model is to provide a public connector of electrical apparatus that the safety in utilization is high.

In order to achieve the above object, the present invention provides an electrical appliance plug, including a receiving portion, the receiving portion is provided with a receiving cavity with an open end, the receiving portion is provided with a first conductive portion, the first conductive portion is located in the receiving cavity and extends along an opening direction of the receiving cavity, and a gap of 1.5-3 mm is provided between the first conductive portion and an inner wall of the receiving cavity; one end, facing the opening of the accommodating cavity, of the first conductive part is connected and covered with an insulating part.

The beneficial effect of this basic scheme lies in: by adopting the arrangement, the conducting position on the female plug connector is difficult to be touched by the operator by mistake, thereby improving the safety of the operator when using the female plug connector.

Further, the first conductive part is provided with an elastic bulge facing the inner wall of the accommodating cavity. By adopting the arrangement, the first conductive part can be better contacted with other conductive structures through the elastic bulge, so that the conductive reliability is ensured.

Furthermore, the elastic bulge is cylindrical and is sleeved on the first conductive part, and the diameter of the cross section of the elastic bulge is gradually reduced from the middle to the two ends. By adopting the arrangement, the conductive parts inserted between the first conductive part and the inner wall of the accommodating cavity can move relative to the elastic bulge better, so that the use is convenient.

Further, the length of the insulating part covering the first conductive part is 2-8 mm. With this arrangement, the insulating effect of the insulating portion on the first conductive portion can be improved more effectively.

Further, a connecting portion electrically connected with the first conductive portion is arranged at one end, away from the opening of the accommodating cavity, of the accommodating portion, a conductive boss is fixedly arranged on the connecting portion along the radial direction, and the protruding height of the conductive boss is 0.2-0.6 mm. By adopting the arrangement, the contact area between the connecting part and the lead is conveniently increased, so that the problems of resistance or lead heating and the like are reduced.

Further, the cross-sectional profile of the first conductive portion is circular. By adopting the arrangement, an operator can insert in any direction during plugging, so that the operation convenience is improved.

The utility model also provides a public plug of electrical apparatus with female plug of above-mentioned electrical apparatus adaptation, including grafting portion, grafting portion have with the female plug's of the aforesaid the unsmooth complex joint portion in chamber that holds, be provided with the cavity that holds the first conductive part of the female plug of the aforesaid in the joint portion, the cavity internal setting has the second conductive part with the first conductive part separation and reunion complex of the female plug of the aforesaid.

Compared with the prior art, the arrangement ensures that the conductive area of the male plug connector cannot be touched by an operator by mistake when in use, thereby improving the use safety of the male plug connector.

Further, the cross-sectional profile of the second conductive portion is circular. By adopting the arrangement, the connection can be realized by plugging from any angle during connection, so that the convenience of operation is improved.

The utility model also provides an electrical apparatus bayonet joint, including foretell female bayonet joint and public bayonet joint, be provided with locking device between the grafting portion of public bayonet joint and the portion of holding of female bayonet joint.

Compared with the prior art, the arrangement ensures that the connection of the male plug connector and the female plug connector cannot be easily separated, thereby ensuring more reliable connection and improving the use safety.

Further, locking device includes the first retaining member of being connected with the portion of holding, be connected with the second retaining member on the grafting portion, first retaining member can be dismantled with the second retaining member and be connected. By adopting the arrangement, the structure of the locking device is simpler, so that the probability of the locking device breaking down is reduced, and the reliability of the locking device is improved.

Further, the first locking piece is a clip with a hook part, and the second locking piece is a projection matched with the hook part of the clip.

Further, the first locking member is in threaded connection with the second locking member.

Drawings

Fig. 1 is a schematic view of an embodiment of an electrical connector according to the present invention;

FIG. 2 is a schematic structural view of the female connector of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

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

fig. 5 is a sectional view B-B of fig. 4.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: female plug connector 1, connecting portion 11, conductive boss 111, accommodating portion 12, elastic protrusion 13, accommodating cavity 14, first conductive portion 15, insulating portion 16, male plug connector 2, plug portion 21, combining portion 22, second conductive portion 23, cavity 24, locking device 3, first locking piece 31 and second locking piece 32.

The embodiment is basically as shown in the attached figure 1: an electrical appliance plug connector comprises a female plug connector 1 and a male plug connector 2, wherein the female plug connector 1 comprises an accommodating part 12, the male plug connector 2 comprises a plug part 21, and the male plug connector 2 is connected with the female plug connector 1 by inserting the plug part 21 into the accommodating part 12; a locking device 3 is arranged between the insertion part 21 and the accommodating part 12, specifically, the locking device 3 comprises a first locking member 31 connected with the accommodating part 12 and a second locking member 32 connected with the insertion part 21, in the embodiment, the first locking member 31 is preferably a clip with a hook part, the clip is integrally formed with the accommodating part 12, and the hook part of the clip is positioned at one end far away from the end connected with the accommodating part 12, so that the hook part can slightly move under the action of the stressed deformation of the clip; the second locking member 32 is preferably a projection integrally formed with the insertion part 21, and the locking operation is performed when the clip is hooked on the projection by the hooking part. Of course, in other embodiments, the positions of the first locking member 31 and the second locking member 32 may be reversed; besides the first locking member 31 and the second locking member 32 can be connected in a clamping manner, other detachable connection manners such as a threaded connection manner can also be adopted.

As shown in fig. 2 and 3, the accommodating portion 12 of the female plug 1 is provided with an accommodating cavity 14 with one open end, and the cross section of the accommodating cavity 14 is circular. A first conductive part 15 is arranged inside the accommodating cavity 14, one end of the first conductive part 15 is connected and fixed with the accommodating part 12, and the other end extends towards the opening direction of the accommodating cavity 14, in this embodiment, the cross section of the first conductive part 15 is circular and is arranged coaxially with the accommodating cavity 14, and a gap with the width of 2 mm is arranged between the first conductive part 15 and the inner wall of the accommodating cavity 14, but in other embodiments, the width of the gap may be between 1.5 and 3 mm. One end of the first conductive portion 15 facing the opening of the accommodating cavity 14 is connected and covered with an insulating portion 16, in this embodiment, the length of the insulating portion 16 covering the first conductive portion 15 is 5 mm, and of course, in another embodiment, the length of the insulating portion 16 covering the first conductive portion 15 may be 2 mm to 8 mm. The first conductive part 15 is provided with an elastic bulge 13 facing the inner wall of the accommodating cavity 14, in the embodiment, the elastic bulge 13 is in a cylindrical shape, the elastic bulge 13 is sleeved on the first conductive part 15, the diameter of the cross section of the elastic bulge 13 is gradually reduced from the middle part to two ends, so that the elastic bulge is convenient to guide when in plugging, and meanwhile, the conductive contact area of the first conductive part 15 can be increased by utilizing the deformation of the elastic bulge 13. The end of the accommodating portion 12 away from the opening of the accommodating cavity 14 is provided with a connecting portion 11 electrically connected to the first conductive portion 15, and in this embodiment, the connecting portion 11 is integrally formed with the first conductive portion 15. The conductive boss 111 is integrally formed on the connection portion 11 along the radial direction, and the protruding height of the conductive boss 111 is 0.4 mm, but in other embodiments, the protruding height of the conductive boss 111 may be 0.2 mm to 0.6 mm.

As shown in fig. 4 and 5, the inserting portion 21 of the male connector 2 has a combining portion 22 that is in concave-convex fit with the accommodating cavity 14 of the female connector 1, and a cavity 24 for accommodating the first conductive portion 15 is disposed on the combining portion 22, in this embodiment, the cross-sectional profile of the combining portion 22 is circular, the cross-section of the cavity 24 is circular, and the cavity 24 and the combining portion 22 are coaxially disposed. And a second conductive part 23 matched with the first conductive part 15 is fixedly embedded on the inner wall of the cavity 24, the cross section outline of the second conductive part 23 is circular, and when the combining part 22 is inserted into the accommodating cavity 14, the second conductive part 23 surrounds the outer side of the first conductive part 15 and is in close contact with the first conductive part 15 by pressing the elastic bulge 13.

According to the actual use requirement, the male plug connector 2 and the female plug connector 1 can be separated to form an independent product for use.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides an electrical apparatus female joint, includes the portion of holding, the portion of holding is provided with the open chamber that holds of one end, be provided with first conductive part, its characterized in that on the portion of holding: the first conductive part is positioned in the accommodating cavity and extends along the opening direction of the accommodating cavity, and a gap of 1.5-3 mm is formed between the first conductive part and the inner wall of the accommodating cavity; one end, facing the opening of the accommodating cavity, of the first conductive part is connected and covered with an insulating part.

2. An electrical female plug according to claim 1, wherein: the first conductive part is provided with an elastic bulge facing the inner wall of the accommodating cavity.

3. An electrical female plug according to claim 2, wherein: the elastic bulge is cylindrical and is sleeved on the first conductive part, and the diameter of the cross section of the elastic bulge is gradually reduced from the middle to two ends.

4. An electrical female plug according to any one of claims 1 to 3, wherein: the length of the insulating part covering the first conductive part is 2-8 mm.

5. An electrical female plug according to any one of claims 1 to 3, wherein: one end, far away from the opening of the accommodating cavity, of the accommodating part is provided with a connecting part electrically connected with the first conductive part, a conductive boss is fixedly arranged on the connecting part along the radial direction, and the protruding height of the conductive boss is 0.2-0.6 mm.

6. An electrical female plug according to any one of claims 1 to 3, wherein: the cross-sectional profile of the first conductive portion is circular.

7. The utility model provides an electric appliance male plug connector, includes grafting portion, its characterized in that: the inserting part is provided with a combining part which is in concave-convex fit with the accommodating cavity of any one of claims 1 to 6, a cavity for accommodating the first conductive part of any one of claims 1 to 6 is arranged on the combining part, and a second conductive part which is in clutch fit with the first conductive part of any one of claims 1 to 6 is fixedly arranged in the cavity.

8. The male electrical connector of claim 7, wherein: the cross-sectional profile of the second conductive portion is circular.

9. An electrical appliance plug connector is characterized in that: the plug-in connector comprises the plug-in connector of any one of claims 1 to 6 and further comprises the plug-in connector of any one of claims 7 to 8, and a locking device is arranged between the plug-in part and the accommodating part.

10. An electrical connector as defined in claim 9, wherein: locking device includes the first retaining member of being connected with the accommodation portion, be connected with the second retaining member on the grafting portion, first retaining member can be dismantled with the second retaining member and be connected.

11. An electrical connector as defined in claim 10, wherein: the first locking piece is a clip with a hook part, and the second locking piece is a lug matched with the hook part of the clip.

12. An electrical connector as defined in claim 10, wherein: the second retaining member is a clip with a hook portion, and the first retaining member is a projection matched with the hook portion of the clip.

13. An electrical connector as defined in claim 10, wherein: the first locking member is in threaded connection with the second locking member.