CN213278647U

CN213278647U - Electric shock-proof electric connector

Info

Publication number: CN213278647U
Application number: CN202022287590.4U
Authority: CN
Inventors: 赵海杰; 林曾龙; 杨毅
Original assignee: Zhejiang Dawei Electronic Co Ltd
Current assignee: Zhejiang Dawei Electronic Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-05-25
Anticipated expiration: 2030-10-14

Abstract

The utility model provides an electric connector of protection against electric shock, which comprises a housin, the casing upper end is provided with section of thick bamboo portion, but section of thick bamboo portion inboard is provided with the baffle of up-and-down motion, the baffle with be formed with a plurality of annular slots between the section of thick bamboo portion, the baffle can be driven downstream when electric connector coupling to accessible elasticity resets a rebound and resets, wear to establish the location on the baffle and be equipped with first electrically conductive contact, first electrically conductive contact's upper end is located in the slot, the baffle below is provided with can be when the baffle downstream with the electrically conductive second electrically conductive contact of the lower extreme cooperation contact of first electrically conductive contact. The utility model discloses simple structure has higher security during the use.

Description

Electric shock-proof electric connector

Technical Field

The utility model relates to an electric connector of protection against electric shock.

Background

The host computer of the small white household appliance for household use is usually matched with the base for power supply, and when the host computer is arranged on the base, the connection of the circuit between the host computer and the base is realized based on the connection of the electric connector between the host computer and the base.

Be provided with the groove of pegging graft the location with host computer bottom cooperation on the electric connector on the base, hide in the groove and be provided with the conducting strip, if the children who greedy at home stretch into the groove with finger or other conducting object and touch the conducting strip, still have the risk of electrocuteeing.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector of protection against electric shock, its simple structure has higher security to prior art not enough.

In order to achieve the above object, the utility model provides an electric connector of protection against electric shock, which comprises a housin, the casing upper end is provided with section of thick bamboo portion, but section of thick bamboo inboard is provided with the baffle of up-and-down motion, the baffle with be formed with a plurality of annular slots between the section of thick bamboo portion, the baffle can be driven downstream when electric connector connects the coupling to the accessible elasticity resets an upward movement and resets, wear to establish the location on the baffle and be equipped with first electrically conductive contact, the upper end of first electrically conductive contact is located in the slot, the baffle below is provided with can be when the baffle downstream with the electrically conductive second electrically conductive contact of the lower extreme cooperation contact of first electrically conductive contact.

The utility model has the advantages that: in a normal state, the upper end of the first conductive contact piece is positioned in the slot, the lower end of the first conductive contact piece is separated from the second conductive contact piece, and electric shock cannot be caused when the first conductive contact piece is contacted; when the baffle is driven to move downwards based on the connection coupling of the electric connector, the lower end of the first conductive contact piece is in contact with the second conductive contact piece for conducting electricity, so that the upper end of the first conductive contact piece can be used for being in contact with the second conductive contact piece for conducting electricity. The utility model discloses simple structure has higher security.

Furthermore, the baffle is provided with a guide hole, and the shell comprises a guide post which is matched with the guide hole to guide the movement.

The effect that above-mentioned setting brought is: through the guide cooperation of guide post and guiding hole, reliability when improving the motion of baffle.

Furthermore, the guide post is arranged at the center of the cylinder part, the guide post and the guide hole form a rotation-proof fit along the circumferential direction of the center of the cylinder part, and the sleeving fit position of the conductive post and the guide hole is in a non-circular shape.

The effect that above-mentioned setting brought is: the baffle plate can be prevented from rotating relative to the barrel part, the first conductive contact piece and the second conductive contact piece can be always aligned, and the reliability in operation is improved.

Furthermore, the upper end of the guide post is provided with a jack, and a third conductive contact piece is arranged in the jack.

The effect that above-mentioned setting brought is: the receptacle and the third conductive contact in the receptacle may be for a ground connection.

Further, the shell is formed by connecting an upper cover and a base, the cylinder part is arranged on the upper cover, the guide column, the second conductive contact part and the third conductive contact part are all arranged on the base, and a space for the baffle to move up and down is formed between the upper cover and the base.

The effect that above-mentioned setting brought is: simple structure makes things convenient for the assembly and the motion of baffle.

Further, baffle lower part has a plurality of first bumps along its central circumference equipartition, the corresponding position of base is provided with a plurality of second bumps, elasticity resets and establishes the spring of location between first bump and second bump for the cover respectively.

The effect that above-mentioned setting brought is: the two ends of the springs are respectively sleeved and positioned on the first salient point and the second salient point, so that the springs are uniformly distributed along the circumferential direction of the center of the baffle plate, the elastic acting force applied between the baffle plate and the base is more uniform, the reset effect of the baffle plate is improved, and the baffle plate is not easy to clamp during movement.

Furthermore, the base lower extreme is provided with a plurality of mounting grooves that can supply second electrically conductive contact, the embedding of third electrically conductive contact to fix a position, the one end of a plurality of mounting grooves corresponds respectively jack, the setting of first electrically conductive contact, and the other end side direction of a plurality of mounting grooves stretches out and can be used to the wiring.

The effect that above-mentioned setting brought is: and the positioning, installation and wiring of the second conductive contact piece and the third conductive contact piece are facilitated.

Further, the second conductive contact piece comprises two clamping pieces which are close to each other based on elasticity, and the upper parts of the two clamping pieces are provided with guide parts which can guide and insert the lower end of the first conductive contact piece into and clamp the lower end of the first conductive contact piece between the two clamping pieces.

The effect that above-mentioned setting brought is: when the first conductive contact piece moves downwards along with the baffle plate, the lower end of the first conductive contact piece can be inserted into the two clamping pieces in a guiding mode by the two guiding parts and clamped and contacted between the two clamping pieces, and the conductive effect of the first conductive contact piece and the second conductive contact piece is improved.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is a block diagram of a baffle in accordance with an embodiment of the present invention;

fig. 5 is an assembly view of second and third conductive contacts according to an embodiment of the present invention;

fig. 6 is a structural diagram of a second conductive contact according to an embodiment of the present invention.

Detailed Description

The embodiment of the electric shock-proof electric connector of the utility model is shown in figures 1-6: comprises a shell 1, a cylinder part 11 is arranged at the upper end of the shell 1, a baffle 2 capable of moving up and down is arranged at the inner side of the cylinder part 11, the inner circumferential wall of the cylinder part 11 is matched with the baffle 2 to guide movement, the baffle 2 can be limited at the upper part of the cylinder part 11 to prevent the baffle 2 from falling off from the upper part of the cylinder part 11, a plurality of annular slots 12 are formed between the baffle 2 and the cylinder part 11, the baffle plate 2 can be driven to move downwards when the electric connector is connected and coupled, in particular to be driven to move downwards based on the pressure when a host machine of small household white appliances such as an electric kettle, a wall breaking machine and the like is arranged on a base, the baffle plate 2 can also move upwards to reset through an elastic resetting piece, a first conductive contact piece 3 is arranged on the baffle plate 2 in a penetrating mode, the upper end of the first conductive contact piece 3 is located in the slot 12, and a second conductive contact piece 4 which can be in fit contact with the lower end of the first conductive contact piece 3 to conduct electricity when the baffle plate 2 moves downwards is arranged below the baffle plate 2.

The baffle 2 is provided with a guide hole 21, the shell 1 comprises a guide post 13 which is matched with the guide hole 21 for guiding movement, the guide post 13 is arranged at the central position of the cylinder part 11, the annular slots 12 are all arranged concentrically with the cylinder part 11, two radial side walls of the slots 12 are formed by an annular flange 22 arranged on the baffle 2, a flange at the top of the cylinder part 11 and the guide post 13 at intervals, and the guide post 13 and the guide hole 21 form anti-rotation matching along the circumferential direction of the center of the cylinder part 11, so that the baffle 2 and the cylinder part 11 cannot rotate relatively, and the lower end of the first conductive contact element 3 can be always aligned with the second conductive contact element 4.

The upper end of the guide post 13 is provided with a jack 131, a third conductive contact element 5 is arranged in the jack 131, in this embodiment, the first conductive contact element 3 and the second conductive contact element 4 are correspondingly arranged to be 2, and are respectively arranged corresponding to the L phase and the N phase of the circuit, and the third conductive contact element 5 is arranged corresponding to the ground wire.

The shell 1 is formed by connecting an upper cover 101 and a base 102 in a clamping manner, the cylinder part 11 is arranged on the upper cover 101, the guide column 13, the second conductive contact element 4 and the third conductive contact element 5 are arranged on the base 102, and a space a for the baffle 2 to move up and down is formed between the upper cover 101 and the base 102.

The lower part of the baffle 2 is uniformly provided with a plurality of first salient points 23a along the circumferential direction of the center thereof, a plurality of second salient points 23b are arranged at corresponding positions of the base 102, and the elastic reset piece is respectively sleeved with the springs 6 positioned between the first salient points 23a and the second salient points 23 b.

The lower end of the base 102 is provided with a plurality of mounting grooves 1021 for embedding and positioning the second conductive contact element 4 and the third conductive contact element 5, one ends of the mounting grooves 1021 are respectively arranged corresponding to the jack 131 and the first conductive contact element 3, and the other ends of the mounting grooves 1021 laterally extend out for wiring.

The second conductive contact 4 includes two elastic clamping pieces 41, and the upper portions of the two clamping pieces 41 have guide portions 42 for guiding the lower end of the first conductive contact 3 to be inserted and clamped between the two clamping pieces 41.

The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an electric connector of protection against electric shock, including the casing, its characterized in that: the shell is characterized in that a cylinder part is arranged at the upper end of the shell, a baffle plate capable of moving up and down is arranged on the inner side of the cylinder part, a plurality of annular slots are formed between the baffle plate and the cylinder part, the baffle plate can be driven to move downwards when the electric connector is connected and coupled and can be reset through an elastic reset piece to move upwards, a first conductive contact piece is arranged on the baffle plate in a penetrating and positioning mode, the upper end of the first conductive contact piece is located in the slots, and a second conductive contact piece capable of being in matched contact with the lower end of the first conductive contact piece to conduct electricity is arranged below the baffle plate.

2. The electrical shock resistant electrical connector of claim 1, wherein: the baffle is provided with a guide hole, and the shell comprises a guide post which is matched with the guide hole to guide movement.

3. The electrical shock resistant electrical connector of claim 2, wherein: the guide post is arranged at the center of the cylinder part, and the guide post and the guide hole form anti-rotation fit along the circumferential direction of the center of the cylinder part.

4. The electrical shock resistant electrical connector of claim 3, wherein: the upper end of the guide post is provided with a jack, and a third conductive contact piece is arranged in the jack.

5. The electrical shock resistant electrical connector of claim 4, wherein: the shell is formed by connecting an upper cover and a base, the cylinder part is arranged on the upper cover, the guide post, the second conductive contact part and the third conductive contact part are all arranged on the base, and a space for the baffle to move up and down is formed between the upper cover and the base.

6. The electrical shock resistant electrical connector of claim 5, wherein: the baffle lower part has a plurality of first bumps along its central circumference equipartition, the corresponding position of base is provided with a plurality of second bumps, elasticity resets and establishes the spring of location between first bump and second bump for the cover respectively.

7. The electrical shock resistant electrical connector of claim 5, wherein: the base lower extreme is provided with a plurality of mounting grooves that can supply the electrically conductive contact of second, the electrically conductive contact embedding of third to fix a position, the one end of a plurality of mounting grooves corresponds respectively jack, the electrically conductive contact setting of first, and the other end side direction of a plurality of mounting grooves stretches out and can be used to the wiring.

8. The electrical shock resistant electrical connector of claim 1, wherein: the second conductive contact piece comprises two clamping pieces which are close to each other based on elasticity, and the upper parts of the two clamping pieces are provided with guide parts which can guide the lower end of the first conductive contact piece to be inserted and clamped between the two clamping pieces.