CN213584294U - Five-ring coupler with electric shock protection function - Google Patents

Abstract

A five-ring coupler with an electric shock protection function comprises an upper coupling seat and a lower coupling seat, wherein the upper coupling seat is provided with a plurality of upper coupling rings, an upper coupling groove is formed between every two adjacent upper coupling rings, the lower coupling seat is provided with a plurality of lower coupling rings which are inserted into the upper coupling grooves in a matched mode, a lower coupling groove suitable for the insertion of the upper coupling rings is formed between every two adjacent lower coupling rings, an upper ring sealing cover and a lower ring sealing cover are respectively and elastically arranged in the upper coupling grooves and the lower coupling grooves, the upper ring sealing cover and the lower ring sealing cover can be opened or closed at the notches of the coupling grooves, when the upper coupling seat and the lower coupling seat are coupled in an inserted mode, the lower coupling rings push the upper ring sealing cover to be inserted into the upper coupling grooves, and meanwhile, the upper coupling rings press the lower ring sealing cover to be inserted into the lower coupling grooves, so that corresponding output conductors and input conductors are in contact with a circuit; the coupler with the structure can be coupled with the upper seat or the lower seat in an exposed condition, and the risk of electric shock of a user is effectively reduced.

Description

Five-ring coupler with electric shock protection function

Technical Field

The utility model relates to a coupler field specifically is a take five-ring coupler of protection against electric shock function.

Background

In the related art, part of electric equipment realizes the functions of coupling and transmitting power and signals with a base through a five-ring power coupler, and the structure of the five-ring power coupler mainly comprises two parts, namely a coupling upper seat and a coupling lower seat, wherein the coupling upper seat is basically installed at the bottom of the electric equipment, and the coupling lower seat is installed on the top surface of the base and is kept connected with a power supply.

However, a current electric device structure is as follows, including the base and the power consumption main part of taking portable power source, the coupling lower seat is installed on the base, the coupling upper seat is installed in the bottom of power consumption main part, when the power consumption main part is used in the open air, through coupling upper seat and coupling lower seat cooperation and portable power source connection, but this power consumption main part can also break away from the base and use in the place by municipal power supply, through connecting with the conductor wire of power consumption main part and being connected with municipal power supply, therefore this power consumption equipment can cause naked coupling upper seat to be electrified, also can appear the risk of electrocution, consequently need propose a coupler that all has protection function of electrocution in coupling upper seat and coupling lower seat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable take five ring coupler of protection against electric shock function, its effect is that the coupler effectively reduces the risk that the user electrocuted under any state.

A five-ring coupler with an electric shock protection function comprises an upper coupling seat and a lower coupling seat, wherein the upper coupling seat is provided with a plurality of upper coupling rings, an upper coupling groove is formed between the adjacent upper coupling rings, an output conductor is arranged on the wall surface of the upper coupling ring, the lower coupling seat is provided with a plurality of lower coupling rings which are inserted into the upper coupling grooves in a matching mode, a lower coupling groove suitable for the upper coupling rings to be inserted is formed between the adjacent lower coupling rings, an input conductor is arranged on the wall surface of the lower coupling ring, an upper ring sealing cover and a lower ring sealing cover are respectively and elastically arranged in the upper coupling groove and the lower coupling groove, the upper ring sealing cover and the lower ring sealing cover can be opened or closed at the notch of the coupling groove, when the upper coupling seat and the lower coupling seat are coupled in an inserting mode, the lower coupling ring sealing cover pushes against the upper ring to be inserted into the upper coupling groove, and simultaneously the lower coupling ring sealing cover is inserted into the lower coupling groove, the corresponding output conductor and input conductor are brought into contact with the vias.

The utility model discloses can also adopt following technical measure to solve:

further, a central coupling groove is formed in the upper coupling ring in the middle, a central sealing cover capable of opening or closing the central coupling groove is elastically installed at the notch of the central coupling groove, and when the upper coupling seat and the lower coupling seat are oppositely inserted, the lower coupling ring in the middle pushes the central sealing cover to be inserted into the central coupling groove.

Further, a plurality of first reset springs are arranged between the upper ring sealing cover and the groove bottom of the upper coupling groove and between the central sealing cover and the groove bottom of the central coupling groove along the circumferential direction, and the first reset springs enable the upper ring sealing cover and the central sealing cover to always seal the notches of the upper coupling groove and the central coupling groove under the action of no external force.

Further, a single return spring II is sleeved between the lower circular ring sealing cover and the bottom of the lower coupling groove, and the lower circular ring sealing cover is enabled to always seal the notch of the lower coupling groove under the action of no external force through the return spring II.

Further, an annular sealing cover base is further installed in the lower coupling groove, the lower circular sealing cover is installed on the upper end face of the sealing cover base, and a limiting groove matched with the second reset spring is formed in the lower end face of the sealing cover base.

Further, an annular top cover is arranged on the top edge of the lower coupling ring, an annular step surface for limiting the lower circular ring sealing cover is arranged on the annular top cover, and a guide-in inclined surface inclined towards the notch is arranged on the annular top cover.

Further, a plurality of guide sliding blocks extend outwards from the edges of the upper circular ring sealing cover and the central sealing cover, a longitudinally arranged guide slot is formed in the wall surface of the upper coupling ring corresponding to the guide sliding blocks, and a limiting abutting surface is arranged at the end, close to the slot opening, of the guide slot.

Further, a center conductive column is coaxially arranged in the center coupling groove, a plugging cavity is arranged in the lower coupling ring in the middle, and a conductive elastic sheet for elastically clamping the center conductive column is arranged in the plugging cavity.

Further, the output conductor comprises a movable contact extending out of an upper coupling groove or a central coupling groove, and the upper ring sealing cover and the central sealing cover are provided with outer edge avoiding openings corresponding to the movable contact; the input conductor is cylindrical and is attached to the wall of the lower coupling groove.

Further, the upper ring sealing cover and the lower ring sealing cover are made of insulating materials.

The utility model has the advantages as follows:

the utility model relates to a take five ring couplers of protection against electric shock function, a structure is simple, and reasonable design, play waterproofly when effectively reducing user's electric shock accident, it is dustproof, prevent that the foreign matter falls into the effect of coupling groove, it is unsuccessful to avoid the foreign matter to cause the coupling after falling into the coupling groove, effectually avoid dust and water to touch or gather and produce the spark-over on output conductor or input conductor, short circuit or destroy the condition such as electrical insulation, when the coupler is to inserting the coupling, realize simultaneously that the last ring closing cap in coupling seat and the coupling seater and lower ring closing cap are automatic to relieve the protection against electric shock function.

Drawings

Fig. 1 is a schematic sectional exploded view of the upper coupling seat and the lower coupling seat of the present invention.

Fig. 2 is a schematic view of the coupling structure of the coupling upper seat and the coupling lower seat of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the coupling upper seat of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1.

Fig. 5 is an enlarged schematic view of B in fig. 1.

Fig. 6 is a schematic diagram of the coupling upper seat exploded structure of the present invention.

Fig. 7 is a schematic view of the coupling lower seat of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1 to 7, a five-ring coupler with an electric shock protection function comprises an upper coupling seat 1 and a lower coupling seat 2, wherein the upper coupling seat 1 has a plurality of upper coupling rings 3, an upper coupling groove 4 is formed between adjacent upper coupling rings 3, an output conductor 5 is arranged on the wall surface of each upper coupling ring 3, the lower coupling seat 2 is provided with a plurality of lower coupling rings 6 adapted to be inserted into the upper coupling grooves 4, a lower coupling groove 7 adapted to be inserted by the upper coupling rings 3 is formed between adjacent lower coupling rings 6, an input conductor 8 is arranged on the wall surface of each lower coupling ring 6, an upper ring sealing cover 9 and a lower ring sealing cover 10 are respectively and elastically arranged in the upper coupling groove 4 and the lower coupling groove 7, the upper ring sealing cover 9 and the lower ring sealing cover 10 can open or close the groove openings of the coupling grooves in which the upper ring sealing cover 9 and the lower ring sealing cover 10 are located, when the upper coupling seat 1 and the lower coupling seat 2 are coupled in an opposite insertion manner, the lower coupling ring 6 pushes the upper ring sealing cover 9 to be inserted into the upper coupling groove 4, and simultaneously the upper coupling ring 3 presses the lower ring sealing cover 10 to be inserted into the lower coupling groove 7, so that the corresponding output conductor 5 and the corresponding input conductor 8 are contacted with a channel.

The effects of preventing water, dust and foreign matters from falling into the coupling groove are achieved while electric shock accidents of users are effectively reduced, coupling failure caused by the fact that the foreign matters fall into the coupling groove is avoided, dust and water are effectively prevented from touching or accumulating on the output conductor 5 or the input conductor 8 to generate the conditions of flashover, short circuit or damage to electrical insulation and the like, and when the coupler is coupled in an opposite-inserting mode, the automatic releasing electric shock protection function of the upper ring sealing cover 9 and the lower ring sealing cover 10 in the upper coupling seat 1 and the lower coupling seat 2 is achieved simultaneously.

When the upper seat 1 and the lower seat 2 are coupled, the upper ring sealing cover 9 and the lower ring sealing cover 10 are located at the closing position of the notch, when the upper ring sealing cover 9 and the lower ring sealing cover 10 are pushed by the lower coupling ring 6 and the upper coupling ring 3, the upper ring sealing cover 9 and the lower ring sealing cover 10 slide into the deep position of the coupling groove to the opening position, so that the output conductor 5 is electrically contacted with the input conductor 8, and when the upper seat 1 and the lower seat 2 are coupled and separated, the upper ring sealing cover 9 and the lower ring sealing cover 10 gradually slide to the closing position from the opening position.

A central coupling groove 11 is arranged in the upper coupling ring 3 in the middle, a central sealing cover 12 capable of opening or closing the central coupling groove 11 is elastically installed at the notch of the central coupling groove 11, and when the upper coupling seat 1 and the lower coupling seat 2 are oppositely inserted, the lower coupling ring 6 in the middle pushes the central sealing cover 12 to be inserted into the central coupling groove 11; this structure can protect the output conductor 5 in the central coupling groove 11 from electric shock.

A plurality of first reset springs 13 are arranged between the upper circular ring sealing cover 9 and the groove bottom of the upper coupling groove 4 and between the central sealing cover 12 and the groove bottom of the central coupling groove 11 along the circumferential direction, and the notches of the upper coupling groove 4 and the central coupling groove 11 where the upper circular ring sealing cover 9 and the central sealing cover 12 are located are always closed under the action of no external force through the first reset springs 13.

A first convex part 901 suitable for positioning one end of a first return spring 13 extends from the end faces of the upper circular ring cover 9 and the central cover 12, a second convex part 401 suitable for positioning the other end of the first return spring 13 extends from the bottoms of the upper coupling groove 4 and the central coupling groove 11, and the first return spring 13 is fixedly pressed between the first convex part 901 and the second convex part 401 and between the upper circular ring cover 9 and the bottom of the upper coupling groove 4 and between the central cover 12 and the bottom of the central coupling groove 11 through sleeving of the two ends of the first return spring 13 between the first convex part 901 and the second convex part 401.

A single second return spring 14 is sleeved between the lower circular ring sealing cover 10 and the bottom of the lower coupling groove 7, and the lower circular ring sealing cover 10 is enabled to always seal the notch of the lower coupling groove 7 under the action of no external force through the second return spring 14.

The number and the assembly method of the first return spring 13 and the second return spring 14 can be interchanged between the coupling upper seat 1 and the coupling lower seat 2.

An annular sealing cover base 15 is further installed in the lower coupling groove 7, the lower circular sealing cover 10 is installed on the upper end face of the sealing cover base 15, and a limiting groove 151 matched with the second reset spring 14 is formed in the lower end face of the sealing cover base 15; the limiting groove 151 is used for limiting one end of the second return spring 14, and the durability of the coupler is improved.

An annular top cover 16 is arranged on the top edge of the lower coupling ring 6, the annular top cover 16 is provided with an annular step surface 161 for limiting the lower annular sealing cover 10, and the annular top cover 16 is provided with a guide inclined surface 162 inclined towards the notch; the annular step surface 161 is used for realizing the sealing and limiting by the lower ring sealing cover 10 abutting against the annular step surface 161 when the lower ring sealing cover 10 is pushed to the notch sealing position by the second return spring 14, so as to prevent the lower ring sealing cover 10 from being pushed out of the coupling groove, and the lead-in inclined surface 162 can lead the upper coupling ring 3 to accelerate the insertion into the lower coupling groove 7, thereby improving the coupling efficiency.

The edges of the upper circular ring sealing cover 9 and the central sealing cover 12 extend outwards to form a plurality of guide sliding blocks 17, the wall surface of the upper coupling ring 3 is provided with a guide slot 18 which is longitudinally arranged corresponding to the guide sliding blocks 17, and the end, close to the slot opening, of the guide slot 18 is provided with a limiting abutting surface 181; the cooperation of direction slider 17 and direction fluting 18 can play the fool-proofing effect, makes ring closing cap 9 and center closing cap 12 keep horizontal migration in the gliding in-process from top to bottom moreover, places the heeling and causes the card problem of dying, in addition when last ring closing cap 9 and center closing cap 12 are pushed to the closed position of notch by reset spring 13, supports through direction slider 17 and presses and realize closing spacing at spacing face 181, prevents to go up ring closing cap 9 and center closing cap 12 and pushes out outside the coupling groove.

A central conductive column 19 is coaxially arranged in the central coupling groove 11, an inserting cavity 20 is arranged in the lower coupling ring 6 positioned in the middle, and a conductive elastic sheet 21 which elastically clamps the central conductive column 19 is arranged in the inserting cavity 20; the central conductive column 19 and the conductive elastic sheet 21 are mainly used for communicating with the ground, belong to the common technology, and are not described again.

The output conductor 5 comprises a movable contact 501 extending out of the upper coupling groove 4 or the central coupling groove 11, and the upper ring sealing cover 9 and the central sealing cover 12 are provided with outer edge avoiding openings 22 corresponding to the movable contact 501; the input conductor 8 is cylindrical, and the input conductor 8 is attached to the wall of the lower coupling groove 7; when the upper coupling seat 1 is arranged on the lower coupling seat 2 at any angle, the output conductor 5 can be ensured to be contacted with the input conductor 8, and in addition, as the upper ring sealing cover 9 and the central sealing cover 12 need to pass through the convex movable contact 501 when being pushed to the open position, in order to reduce collision, outer edge avoiding openings 22 matched with the shape of the movable contact 501 are formed on the upper ring sealing cover 9 and the central sealing cover 12;

in addition, since the central conductive pillar 19 is disposed in the central coupling slot 11, a central avoiding hole 23 is formed in the central portion of the central cover 12 corresponding to the central conductive pillar 19.

The upper ring sealing cover 9 and the lower ring sealing cover 10 are made of insulating materials; insulating material can prevent that last ring closing cap 9 or lower ring closing cap 10 from electrically conducting, and in addition as the most ideal embodiment, go up ring closing cap 9 and lower ring closing cap 10 and adopt semi-soft insulating material, this is in order to make last ring closing cap 9 and lower ring closing cap 10 can with spacing abutting face 181 and annular step face 161 realize sealed conflict, make waterproof dustproof effect better.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a take five ring couplers of protection against electric shock function, includes that seat (1) and coupling lower (2) on the coupling, seat (1) has a plurality of upper coupling rings (3) on the coupling, forms coupling groove (4) between adjacent upper coupling ring (3), be provided with output conductor (5) on the wall of upper coupling ring (3), seat (2) are equipped with lower coupling ring (6) that a plurality of adaptations inserted upper coupling groove (4) down in the coupling, form between adjacent lower coupling ring (6) and be suitable for upper coupling ring (3) male lower coupling groove (7), be provided with input conductor (8), its characterized in that on the wall of lower coupling ring (6): an upper ring sealing cover (9) and a lower ring sealing cover (10) are respectively and elastically arranged in the upper coupling groove (4) and the lower coupling groove (7), the upper ring sealing cover (9) and the lower ring sealing cover (10) can be opened or closed at the notch of the coupling groove, when the upper coupling seat (1) and the lower coupling seat (2) are oppositely inserted and coupled, the lower coupling ring (6) pushes the upper ring sealing cover (9) to be inserted into the upper coupling groove (4), and meanwhile, the upper coupling ring (3) presses the lower ring sealing cover (10) to be inserted into the lower coupling groove (7), so that the corresponding output conductor (5) and the corresponding input conductor (8) are in contact with a passage.

2. The five-ring coupler with the electric shock protection function according to claim 1, wherein: a central coupling groove (11) is formed in the upper coupling ring (3) in the middle, a central sealing cover (12) capable of opening or closing the central coupling groove (11) is elastically installed at the notch of the central coupling groove (11), and when the upper coupling seat (1) and the lower coupling seat (2) are oppositely inserted, the lower coupling ring (6) in the middle pushes the central sealing cover (12) to be inserted into the central coupling groove (11).

3. The five-ring coupler with the electric shock protection function according to claim 2, wherein: a plurality of first reset springs (13) are arranged between the bottom of the upper circular ring sealing cover (9) and the bottom of the upper coupling groove (4) and between the bottom of the central sealing cover (12) and the bottom of the central coupling groove (11) along the circumferential direction, and the notches of the upper coupling groove (4) and the central coupling groove (11) where the upper circular ring sealing cover (9) and the central sealing cover (12) are located are always closed under the action of no external force through the first reset springs (13).

4. The five-ring coupler with the electric shock protection function according to claim 1, wherein: a single second reset spring (14) is sleeved between the lower circular ring sealing cover (10) and the bottom of the lower coupling groove (7), and the lower circular ring sealing cover (10) is enabled to always seal the notch of the lower coupling groove (7) under the action of no external force through the second reset spring (14).

5. The five-ring coupler with the electric shock protection function according to claim 4, wherein: an annular sealing cover base (15) is further installed in the lower coupling groove (7), the lower circular sealing cover (10) is installed on the upper end face of the sealing cover base (15), and a limiting groove (151) matched with the second reset spring (14) is formed in the lower end face of the sealing cover base (15).

6. The five-ring coupler with the electric shock protection function according to claim 1, wherein: an annular top cover (16) is arranged on the top edge of the lower coupling ring (6), an annular step surface (161) for limiting the lower annular sealing cover (10) is arranged on the annular top cover (16), and a guide-in inclined surface (162) inclined to the notch is arranged on the annular top cover (16).

7. The five-ring coupler with the electric shock protection function according to claim 2, wherein: go up the edge of ring closing cap (9) and center closing cap (12) and outwards extend and have a plurality of guide slide (17), go up guide slot (18) that vertical setting was seted up corresponding guide slide (17) on the wall of coupling ring (3), guide slot (18) are leaned on to the notch end and are equipped with spacing face (181) that supports.

8. The five-ring coupler with the electric shock protection function according to claim 2, wherein: the center coupling groove (11) is internally coaxially provided with a center conductive column (19), the lower coupling ring (6) positioned in the middle is internally provided with an inserting cavity (20), and the inserting cavity (20) is internally provided with a conductive elastic sheet (21) which elastically clamps the center conductive column (19).

9. The five-ring coupler with the electric shock protection function according to claim 2, wherein: the output conductor (5) comprises a movable contact (501) extending out of an upper coupling groove (4) or a central coupling groove (11), and the upper ring sealing cover (9) and the central sealing cover (12) are provided with outer edge avoiding openings (22) corresponding to the movable contact (501); the input conductor (8) is cylindrical, and the input conductor (8) is attached to the wall of the lower coupling groove (7).

10. The five-ring coupler with the electric shock protection function according to claim 1, wherein: the upper ring sealing cover (9) and the lower ring sealing cover (10) are made of insulating materials.

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