CN102742094A

CN102742094A - Extension socket with cord storage and dispensing system

Info

Publication number: CN102742094A
Application number: CN2009801633460A
Authority: CN
Inventors: 叶·望翰
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2012-10-17
Anticipated expiration: 2029-11-25

Abstract

The invention relates to an extension socket (8) with cord storage and dispensing system. The extension socket (8) comprises a housing (9) with an upper housing (10) and a lower housing (20), a set of wiring and contact mechanisms (not shown) in the working enclosure of the lower housing (20) by which the pins of a plug make electrical contacts with the wiring and contact mechanisms of the socket unit (18), an electrical plug (50) and a cable cord (40) having a predetermined length connecting the wiring and contact mechanisms within the housing (9) of the extension socket (8) to the electrical plug (50), wherein when the upper housing (10) and the lower housing (20) are coupled and fastened together, a receiving track (30) with a predetermined width for storing the cable cord (40) is formed between the walls (12, 13) of the upper housing (10) and the intermediate wall (22) of the lower housing (20); wherein the upper housing (10) has at least one outlet port (36, 37) to enable the cable cord (40) to be dispensed out from the receiving track (30) from the outlet port (36, 37) and wherein the bottom plate (21) of the lower housing (20) has a plurality of spaced apart projecting blocks (33) extending outward from the back of the bottom plate (21) with a passage (38) having a predetermined width defined between any two adjacent projecting blocks (33) to receive the cable cord (40) between the projecting blocks (33) for accurately adjusting the length of the cable cord (40) to be dispensed out through the outlet port (36, 37). Retainer means (32) may be included to hold the cable cord in place in the receiving track and/or the passage (38) between two adjacent projecting blocks (33).

Description

Prolong socket with line storage and distribution system

Technical field

The present invention relates generally to prolong socket, and be particularly related to prolong socket with line storage and distribution system.

Background technology

Prolong socket provides multiple socket unit, is used for sharing from the common wall socket or the power supply of any prolong socket more than an electrical equipment.The prolong socket of prior art comprises the housing with multiple socket unit, plug, and the extended line that connects the extension of this plug and this housing.The length of this extended line exposes usually and possibly tangle or impede motion.

U.S. Pat 6142405 has disclosed extended line storage and distribution system, is used for storing easily and distributing the extended line of the extension of all lengths, do not tangle and the whole length that need not to launch extended line effectively to utilize two ends.The device of this invention comprises one first bobbin, one second bobbin and a handle.These two bobbins preferably have flat profile with convenient storage.This first bobbin holds the shorter length of this required usually line, separates with longer length thereby will be somebody's turn to do the shorter length of often distributing and storing.The major defect of this invention is that it is an independent device, is not connected directly to any electronic installation.In practical application, it becomes the extra project of carrying.

U.S. Pat 6077109 has disclosed a kind of prolong socket; Comprise by electrically connecting the jack body of forming mutually more than a socket unit; Plug is connected in the extending wire with predetermined length between socket unit and the plug, and the receiver apparatus that is used to hold this extending wire.This jack body comprises that jack housing is with mounting receptacle unit therein.This jack housing has roof, diapire and the sidewall on every side between this roof and diapire, and wherein this extending wire extends to this plug from this electric wire outlet of sidewall on every side.This receiver apparatus is by being arranged to around the jack housing of this jack body and having the annular retaining wall of predetermined altitude; And the connecting wall that extends to this jack housing from this retaining wall top forms, and wherein defining accommodating chamber between the sidewall around this protective bulkhead and this jack housing.Therefore, this extending wire can twine by the sidewall on every side around this jack housing in this accommodating chamber.The major defect of this invention is the independent receiver apparatus that needs around this jack body.Supporting arm is also inefficent.

Summary of the invention

The object of the present invention is to provide a kind of prolong socket with line storage and distribution system; Compared with prior art allow the length of more accurate adjustment, allow from more changeableization of the length of this line storage and the assignable cable of distribution system from this line storage and the assignable cable of distribution system.

Prolong socket of the present invention comprises the shell with upper case and lower case; Cover wiring in the work enclosure wall of this lower case and contact mechanism (figure does not show); Whereby; The pin of plug forms electrical the contact with the wiring of this socket unit (18) with contact mechanism, this wiring in plug (50) and the shell that is connected this prolong socket and the cable with predetermined length (40) of contact mechanism to this plug, wherein; When this upper case was connected with lower case and is fixed together, the reception track restrictions of preset width that is used for the store electricity cable was between the midfeather of the wall of this upper case and this lower case; Wherein, This upper case has at least one outlet so that cable can dispense from this reception track from this outlet, and, wherein; The base plate of this lower case has outward extending a plurality of isolated outstanding seats from the back side of this base plate; The passage that has the preset width between the seat wall that is limited to any two contiguous outstanding seats becomes semi-ring to pass through a passage or side to reel through two or multichannel more to hold cable, thus the length of the cable that accurate adjustment dispenses from this outlet.Like this, the variation from the length of storage of this line and the assignable cable of distribution system increases greatly.Can comprise the maintenance instrument, in order in receiving track, in the passage between the two contiguous outstanding seats and/or be right after in the position of this outlet and keep cable in position.

Description of drawings

Combine with accompanying drawing, through following detailed description, understanding that can be more complete prolong socket and the work thereof with line storage and distribution system of the present invention, wherein:

Fig. 1 a is the top view of prolong socket of the present invention.

Fig. 1 b is the bottom view of the prolong socket of Fig. 1.

Fig. 2 is the part decomposing schematic representation of prolong socket, is used for clear explanation key character of the present invention.

Fig. 3 a is another sketch map that illustrates the reception track of prolong socket, has omitted cable among the figure.

Fig. 3 b is the cutaway view of the prolong socket of Fig. 3 a.

Fig. 4 a is the bottom view of prolong socket.

Fig. 4 b is the cutaway view of Fig. 4 a X-X along the line.

Fig. 5 a illustrates cable Cheng Huan to export the bottom view that leaves through the passage between the outstanding seat and through first.

Fig. 5 b is the cutaway view of Fig. 5 a X-X along the line.

Fig. 6 a illustrates cable to become semi-ring to export another bottom view that leaves through the passage between the outstanding seat and through first.

Fig. 6 b is the cutaway view of Fig. 6 a X-X along the line.

Fig. 7 a illustrates cable to become semi-ring to export the bottom view that leaves through the passage between the outstanding seat and through second.

Fig. 7 b is the cutaway view of Fig. 7 a X-X along the line.

Fig. 8 a illustrates cable to become semi-ring to export another bottom view that leaves through the passage between the outstanding seat and through second.

Fig. 8 b is the cutaway view of Fig. 8 a X-X along the line.

Fig. 9 a illustrates the cable side to reel through two passages between the outstanding seat and the bottom view that leaves through first outlet.

Fig. 9 b is the cutaway view of Fig. 9 a X-X along the line.

Embodiment

The present invention will combine accompanying drawing to do description more fully hereinafter.

Referring to Fig. 1 a and Fig. 1 b, illustrated prolong socket (8), in insulation crust (9), have a plug socket unit (18), make electric power be supplied to a plurality of electric power operation devices from the plug of single power supply through separately.Each socket unit (18) has the hole (19) of switch (17) and necessary amount, and this hole (19) are arranged and are configured as and allow traditional two or three-pin plug (figure does not show) to get into, and form electrical contact with the interior wiring of shell (9) with contact mechanism through plug.In traditional approach, for the socket unit with three holes (18), one of them hole (19) are used to allow the grounding leg of plug to get into.

Fig. 2 is the exploded view of this prolong socket, for clear explanation key character of the present invention, has omitted wiring and contact mechanism.Referring to Fig. 2, and this insulation crust (9) comprises one half shells, upper case (10) and lower case (20).

This upper case (10) comprises top panel (11), two side (12) and two arc end walls (13).One termination of one end of this sidewall (12) and this end wall (13) is bonded to this top panel (11), defines enclosure wall therein.This top panel (11) has the switch (17) that is used for each socket unit (18) and the hole (19) of necessary amount.This hole (19) allows traditional two or three-pin plug (figure does not show) to get into.This top panel (11) also is provided with overleaf has internal thread to hold a plurality of pillars (14) such as the securing member of screw.This upper case (10) preferably is molded as the internal element with this sidewall (12) and the continuous wall of end wall (13) formation.

This lower case (20) comprises base plate (21) and continuous midfeather (22), and a termination of this midfeather (22) is bonded to this base plate (21), is preferably whole joint.This base plate (21) has outward extending a plurality of isolated outstanding seats (33) from the back side of this base plate (21).Each outstanding seat (33) has transverse shape general circle or oval-shaped and has continuous seat wall (34) and seat board (35), and an end of this wall (34) is integrally bonded to this seat board (35) and the other end is integrally bonded to this base plate (21).The passage (38 that between the seat wall (34) of the isolated outstanding seat (33) of any two vicinities, has the preset width of restriction; Fig. 4 b); The size that is preferably this passage (38) is large enough to hold and only is preferably that the cable of single predetermined length (40) passes through, although this preset width can allow the diameter greater than cable (40).In the situation of back, extra interval provides the space to be used for the length that accurate adjustment cable can dispense from outlet (36,37) in this passage (38).This base plate (21) and midfeather (22) define have operation range the work enclosure wall to be used for the wiring and the contact mechanism of socket unit (18).Be provided with and process U-shaped and upwardly extending withdraw from mouthful (31) of an end of the free edge of this midfeather (22) certainly; An end (41) that is used for cable (40) is electrically connected to inner wiring and contact mechanism, and the other end of cable (40) is connected to and is suitable for inserting such as the wall socket outlet or the plug (50) of the electrical socket of the socket of prolong socket in addition.The quantity of outstanding seat (33) preferably equals the quantity of socket unit (18), if but can be greater or less than quantity socket unit (18).

On upper case (10) size greater than lower case (20); Thereby when bottom shell (20) and upper case (10) use securing member such as screw to pass that fastening port (29) to pillar (14) on the outstanding seat (33) is gone up and when linking together; The reception track (30) of preset width is limited between the midfeather (22) of wall (12,13) and this lower case (20) of this upper case (10).This receives the cannelure form that track (30) adopts opening.The cable of predetermined length (40) twines several times around the periphery that receives track (20) and is stored in wherein.Preferably, the size of this upper case (10) and lower case (20) forms and makes the width of this reception track (30) only have the single-row cable (40) that enough intervals hold predetermined length.This helps to stop the motion of cable (40).In any case prolong socket of the present invention (8) can be improved to and hold more than single-row cable (40).One first outlet (36) is formed on the arc end wall (13) of this upper cap (10), so that cable (40) can distribute via the there.One second outlet (37) can be located at that other arc end wall (13) is gone up and at the opposite slightly to the right or left of first outlet (36).This upper case (10) can further be provided with Unitarily molded with other sidewall of branch (13) separately cable guiding arc (15).This cable guiding arc (15) begins from an end of sidewall (12), along the profile of the end of midfeather (22) and end at respectively before the opening of first and second outlets (36,37).Preferably, this lower case (20) is molded as integral unit.

Preferably, the combination of the seat wall (34) of the midfeather (22) of lower case (20) and outstanding seat (33) equals the height of the wall (12,13) of upper case (10) highly substantially.

Pre-position along the dorsal edge of the base plate (21) of lower case (20) is provided with a plurality of pliable and tough maintenance instruments (32).Shown in Fig. 4 a, this maintenance instrument (32) is preferably placed at the edge of midfeather (22) and gives prominence to seat (33) tangent.Each maintenance instrument (32) part covers the opening that receives track (30).This maintenance instrument (32) is used to retrain single-row cable (40) moving when it is withdrawn in reception track (30).This maintenance instrument (32) adopts the form of falling L shaped part Unitarily molded with this lower case (20).Shown in Fig. 4 b, falling also to be provided with between the L shaped workbin midfeather (22) at interval.Maintenance instrument (32) also can be located at the back side of base plate (21) at passage (38) and outstanding seat (33) tangent point.Can make down the upright arm of L shaped part be configured as following profile at the maintenance instrument (32) of the point of passage (38) at the outstanding seat (33) of the point of passage (38).Maintenance instrument (32a) also can be located at and be right after in each outlet (36,37) position before, thereby keeps cable (40) to leave shell (9) in position.These maintenance instruments (32a) rise from the back side of the top panel (11) of upper case (10), and are preferably placed between the sidewall (13) of end and upper case (10) of cable guiding arc (15).

The function that second outlet (37) and outstanding seat (33) relate to the work of storage of the present invention and distribution system will be described below.

Referring to Fig. 3 a and Fig. 3 b; The upper case (10) of the insulation crust (9) of prolong socket (8) and lower case (20); When linking together, between the midfeather (22) of the wall (12,13) of this upper case (10) and this lower case (20), limited reception track (30).Omitted cable (40) among Fig. 3 a and Fig. 3 b, thereby clear explanation receives track (30).The cable of predetermined length (40) twines several times around the periphery that receives track (20).Depend on desired depth, allow the predetermined number of revolutions or the complete number of turns of this cable (40) according to the reception track (30) of design of the present invention.Among Fig. 4 b, illustrate four circle cables (40) and be retracted in the reception track (30), enclose on another circle with single-row form one.Such as the front description, whether essential the width of accepting track (30) preferably has enough intervals only holding the single-row cable (40) of predetermined length, but limit like this.The predetermined length of this cable (40) is preferably and makes this cable (40) can be retracted into the length that receives track (30) substantially fully, is preferably with single-row form.

For the prolong socket that only has an outlet among the PCT patent application WO03/088427 for example, the length of cable only can be to dispense around the multiple form of the whole circle that the receives track reception track from prolong socket.That is to say, receive and store the reception track of four circle cables in wherein the degree of depth for having, if the length of enclosing cable around one of this receptions track is L, the length of the cable that can dispense from this reception track so is L, 2L, 3L and 4L.In prolong socket of the present invention (8), the outlet at two opposites slightly to the right or left (36,37) is located on the end wall (13) of upper cap (10), first outlet (36) just and second outlet (37).Like this, cable (40) can from arbitrary outlet (36,37) certainly this reception track (30) dispense.The length of the cable (40) that dispenses from this reception track (30) accordingly, is short and be the multiple around the half-turn cable (40) of this reception track (30).Just; The length of the cable (40) that can dispense from this reception track (30) is

L; 2L;

3L,

and 4L.In this embodiment, illustrate cable (40) in a clockwise direction around receiving track (40).Institute illustrates and compares in another antipodal position in outlet and the accompanying drawing (except Fig. 1 a, its middle outlet does not illustrate) through making, can make this cable (40) with counterclockwise around this reception track (3).

Outstanding seat (33) and the passage between it (38) makes even the cable (30) of shorter length can receive track (30) from this and can dispense; Permission from this receive the cable (40) that track (30) can dispense length bigger variation and even more accurate adjustment, will explain below.Referring to Fig. 4 b; Obviously when making cable (40) the one-tenth semi-ring that receives first in the track (30) or enclose leave reception track (30) through the passage (38) between outstanding seat D and the E and through first outlet (36) topmost, cable (40) occurs from the shortest length that reception track (30) can dispense.Become semi-ring in order respectively through outstanding seat C and D through the first lap that makes cable (40), B and C, and the passage between A and the B (38) and all leaving through first outlet (36) can dispense the length than length from this receptions track (30).Fig. 5 a and Fig. 5 b illustrate cable (40) and become the situation of semi-ring through the passage (38) between outstanding seat C and the D, and Fig. 6 a and Fig. 6 b illustrate the situation of cable (40) one-tenth semi-ring through the passage (38) between outstanding seat A and the B.

As preceding mentioned, through being left through second outlet (37), half-turn cable (40) receives track (30), and half-turn cable (40) can dispense from receiving track (30).For instance; Distribute a circle cable (40) through second outlet (37) from receiving track (30); When cable (40) becomes semi-ring through outstanding seat (33) A and B; Or the passage between B and the C (38) and through second outlet (37) when leaving, be longer than half-turn from the length that receives the cable (40) that track (30) can dispense but be shorter than a whole circle.

Fig. 7 a and Fig. 7 b illustrate cable (40) and become the situation of semi-ring through giving prominence to the passage (38) between seat B and the C and leaving through second outlet (37), and the length that discharges cable (40) is between half-turn and a circle length.Fig. 8 a and Fig. 8 b illustrate the situation that cable (40) becomes semi-ring and leaves through second outlet (37) between outstanding seat D and E, from receive length that track (30) discharges cable (40) between a circle and half-turn length but be less than around receiving the length that track (30) two encloses cables (40).

For realizing that more accurate adjustment receives the extensible length with the cable (40) that can dispense of track (30) from this, reeled through two or multichannel (38) more in cable (40) side.Fig. 9 illustrates cable (40) side and reels when passing through two passages (38), will be undulations or wave-like or s shape around giving prominence to a shape of the cable (40) of (33) formation.Obviously, cable can become semi-ring and side to reel through passage (38), is used for cable (40) from receiving the extensible bigger variation with the length that can dispense of track (30).

Becoming semi-ring and side to reel allows from receiving the more adjustment and the bigger variation of precision of the cable (40) that track (30) can dispense together with two outlets (36,37) through passage (38).

The present invention so describes, and obviously, the present invention can change in many aspects.Such variation does not break away from principle of the present invention and scope, and all so tangible improvement for knowing those skilled in the art should be included in the scope of following claim.

Claims

1. the prolong socket (8) with line storage and distribution system is characterized in that, comprising:

Shell (9), this shell (9) comprise upper case (10) and lower case (20),

Wherein this upper case (10) comprising:

Top panel (11), the hole (19) that is provided with necessary amount gets into each socket unit (18) to allow traditional two or three-pin plug (figure does not show), and is provided with overleaf and has internal thread holding a plurality of pillars (14) of securing member,

Two side (12), and

End walls (13),

Wherein, a termination an of end of this sidewall (12) and this end wall (13) is bonded to this top panel (11), defines enclosure wall therein; And

Wherein, this lower case (20) comprises

Base plate (21), and

Continuous midfeather (22), a termination of this midfeather (22) is bonded to this base plate (21), and this base plate (21) and midfeather (22) define the work enclosure wall that has operation range therein;

Cover wiring in the work enclosure wall of this lower case (20) and contact mechanism (figure does not show), whereby, the pin of plug forms electrical the contact with this wiring of this socket unit (18) with contact mechanism;

Plug (50); And

Cable (40) with predetermined length, wiring in the shell (9) of its this prolong socket of connection (8) and contact mechanism are to this plug (50), referring to withdraw from mouthful (31) on the midfeather (22) of this lower case (20);

Wherein, On this upper case (10) size greater than lower case (20); Thereby when this lower case (20) is connected with upper case (10) and is fixed together; The reception track (30) that is used for the preset width of store electricity cable (40) is limited between the midfeather (22) of wall (12,13) and this lower case (20) of this upper case (10); And

Wherein, Each end wall (13) of this upper case (10) has antipodal mutually each one outlet (36; 37), so that cable (40) can with the multiple of the half-turn cable that receives track (30) around this from arbitrary said outlet (36,37) certainly this reception track (30) dispense.

2. the prolong socket (8) with line storage and distribution system as claimed in claim 1 is characterized in that the back side of the base plate (21) of this lower case (20) is provided with a plurality of maintenance instruments (32).

3. the prolong socket (8) with line storage and distribution system as claimed in claim 1 is characterized in that maintenance instrument (32a) is right after in each outlet (36,37) and is provided with before to keep cable (40) in position.

4. the prolong socket (8) with line storage and distribution system as claimed in claim 1 is characterized in that, the end wall (13) of this upper case (10) further is provided with cable guiding arc (15).

5. the prolong socket (8) with line storage and distribution system as claimed in claim 1; It is characterized in that the size of this upper case (10) and lower case (20) forms the preset width that makes this reception track (30) only to be had enough intervals and hold single-row cable (40).

6. the prolong socket (8) with line storage and distribution system is characterized in that, comprising:

Shell (9), this shell (9) comprise upper case (10) and lower case (20),

Wherein this upper case (10) comprising:

Two side (12), and

End walls (13);

Wherein, said end wall (13) one of them have outlet (36);

Wherein, this lower case (20) comprises

Base plate (21), and

Plug (50); And

Cable (40) with predetermined length, wiring in the shell (9) of its this prolong socket of connection (8) and contact mechanism are to this plug (50), referring to withdrawing from mouthful (figure does not show) on the midfeather (22) of this lower case (20);

Wherein, On this upper case (10) size greater than lower case (20); Thereby when this lower case (20) is connected with upper case (10) and is fixed together; The reception track (30) that is used for the preset width of store electricity cable (40) is limited between the midfeather (22) of wall (12,13) and this lower case (20) of this upper case (10);

Wherein, the base plate (21) of this lower case (20) has outward extending a plurality of isolated outstanding seats (33) from the back side of this base plate (21); And

Wherein, be suitable for holding the preset width that this cable (40) passes through passage (38, Fig. 4) be defined between any two contiguous outstanding seats (33), this passage (38) is of value to accurate this cable of adjustment (40) and exports the length that (36) can dispense certainly.

7. the prolong socket (8) with line storage and distribution system as claimed in claim 6; It is characterized in that; Another end wall (13) of this upper case (10) is provided with and antipodal second outlet (37) of this first outlet (36); Make this cable (40) can from arbitrary outlet (36,37) certainly this reception track (30) dispense.

8. like claim 6 or 7 described prolong sockets (8), it is characterized in that the back side of the base plate (21) of this lower case (20) is provided with a plurality of maintenance instruments (32) with line storage and distribution system.

9. the prolong socket (8) with line storage and distribution system as claimed in claim 8 is characterized in that, it is tangent with outstanding (33) at the edge of midfeather (22) that said a plurality of maintenance instruments (32) are arranged on the back side of this base plate (21).

10. like claim 6 or 7 described prolong sockets (6), it is characterized in that at least one maintenance instrument (32) further is arranged on the back side of this base plate (21) at this passage (38) and outstanding seat each tangent point of (33) with line storage and distribution system.

11., it is characterized in that maintenance instrument (32a) is right after in this outlet (36) and is provided with before to keep cable (40) in position like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

12., it is characterized in that this outstanding seat has general circle or oval-shaped transverse shape like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

13., it is characterized in that the preset width of this passage (38) is equal to or greater than the diameter of this cable (40) like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

14., it is characterized in that the combination of the seat wall (34) of this midfeather (22) and outstanding seat (33) equals the height of the wall (12,13) of this upper case (10) highly substantially like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

15., it is characterized in that each end wall (13) of this upper case (10) further is provided with cable guiding arc (15) like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

16., it is characterized in that the quantity of outstanding seat (33) can equal maybe can be not equal to the quantity of socket unit (18) like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

17., it is characterized in that the predetermined length of this cable (40) can be retracted into the length that receives track (30) substantially fully for making this cable (40) like claim 6 or 7 described prolong sockets (8) with line storage and distribution system.

18. like claim 6 or 7 described prolong sockets (8), it is characterized in that with line storage and distribution system, this cable (40) can through one or more multichannel (38) become semi-ring and/or side to be wound on to give prominence to (33) on every side.