CN1295357A

CN1295357A - Operating handle type socket

Info

Publication number: CN1295357A
Application number: CN 00133944
Authority: CN
Inventors: 幸田重靖; 笹元一; 比佐纯一
Original assignee: SMK Corp; Yamaha Corp
Current assignee: SMK Corp; Yamaha Corp
Priority date: 1999-11-09
Filing date: 2000-11-09
Publication date: 2001-05-16
Anticipated expiration: 2020-11-09
Also published as: HK1037064A1; JP2001135372A; TW461163B; CN1129202C; JP3355161B2

Abstract

A cut groove which passes through an insertion hole of a conductor is formed in an operation lever in an open manner. A plug is freely inserted into the cut groove so as to be elastically contacted with a terminal member. A projection which elastically contacts the terminal member is provided to the operation lever in a closed manner. The lead wire which is inserted in the open manner is held between the terminal member and the projection in such a condition that the operation lever is rotated in the closed manner. Therefore, either of the plug or the lead wire can be connected. The lead wire can be connected only by rotating the operation lever. When a lever terminal which can connect either of a plug or a lead wire, easily and speedily connect the lead wire, and hardly damages the connected part of the lead wire and hardly generates a faller lead wire and inferior contact when the lead wire is connected by being screwed.

Description

Operating handle type socket

No matter the present invention relates to a kind of operating handle type socket, be the heart yearn of pliability lead or the operating handle type socket that banana type plug can connect.

Just having known in the past has a kind of heart yearn of pliability lead that both can supply to connect, again can be for the operating handle type socket of the plug connection that is known as " banana type plug ".This operating handle type socket is for example to be set on one's body Music centre loudspeaker or other the sound machine, is used for being connected with other machine.This traditional operating handle type socket, it is used for connecting the heart yearn of lead and the structure of banana type plug is to be presented on Fig. 8 to Figure 10, Fig. 8 be show lead connect before skiagraph during state; Fig. 9 is the skiagraph that shows when lead connects the back state; Figure 10 is the skiagraph that shows when inserting banana type plug state.

As shown in the figure, be formed with lead in the side of shell 1 and insert logical window 1a.In gripping the cylindric hollow bulb 2a of portion 2, accommodate fixing a round-ended cylinder shape for the plug of banana type plug with electrode 3, the below towards figure, bottom from this electrode 3 is and extends a male screw portion 3a integratedly.This male screw portion 3a is screwed on the nut plate 4 of the bottom 1b with open-work that is fixed in shell 1, as long as will grip portion 2 rotates toward a peripheral direction, just can freely open and close lead and insert logical window 1a, and make the bottom surface of electrode 3 contact or separate with the surface of nut plate 4.

Above-mentioned electrode 3, male screw portion 3a and nut plate 4 be respectively by electric conductor constituted, and be to be in the state that the terminal plate 5 that extends out towards required direction with rear side from shell 1 is electrically connected.

In this structure, as shown in Figure 8, the heart yearn La leading section of lead L is passed above-mentioned window 1a, insert the gap on the surface of the bottom surface of electrode 3 and nut plate 4.Then, will grip portion 2 and rotate toward the clockwise direction, the leading section of heart yearn La will be seized on both sides by the arms between the surface of the bottom surface of above-mentioned electrode 3 and nut plate 4, so that the heart yearn La of lead L and terminal plate 5 are electrically connected.

In addition, banana type plug BP is that the direction by the arrow X of its leading section in Figure 10 is inserted in the electrode 3, can be electrically connected with terminal plate 5.Banana type plug BP is formed external diameter can stretch and have elasticity, when it is inserted into electrode 3 inboard, can with the internal perisporium Elastic Contact of electrode 3, can be electrically connected and keep this connection status mutually.

As previously mentioned, traditional screw thread screws the type socket, when desire connects lead L, be to utilize the portion that grips 2 to rotate male screw portion 3a, screw connection, so when desire connects lead L with the threaded portion, and when desiring to pull down lead L, all must rotate male screw portion 3a, so operation bothers comparatively.In addition, if threaded portion rotation is too tight, damage male screw portion 3a or nut plate 4 easily, damage male screw portion 3a even easily and be used for the place that is connected with lead L, thereby cause screwing the strength deficiency, and then take place that lead L comes off, the problem of loose contact or the like.

The present invention's purpose is to provide a kind of operating handle type socket, no matter be that banana type plug or lead can connect, and can promptly connect lead simply again, if and the connection work of lead utilize to be changeed tight threaded portion when carrying out, can be because of not rotating too much too tightly so that the breakage of wire interconnecting piece branch, can not come in contact bad phenomenon because of rotating not enough Tai Song so that wire dropping yet.

To achieve these goals, the characteristics of the operating handle type socket of first technical scheme of this case are that it possesses:

One insulating properties shell, having can be for being connected the conductor patchhole that conductor freely plugs; With

One conductivity terminal component, be to be fixed in the aforementioned shell, wherein one distolateral be contiguous aforementioned conductor patchhole, be formed towards the aforementioned plug direction that is connected conductor and extend, and can be on the direction that intersects vertically with the plug direction that is connected conductor, with predetermined elasticity strain freely, wherein another distolateral leading section is outstanding towards the external direction of aforementioned shell; With

One insulating properties lever; The intermediate portion is to be subjected to that pivot props up and free to rotate; Prop up part across this pivot; Have in the inboard: be positioned at aforementioned shell; The notch part that when being in open state, can be communicated with aforementioned conductor patchhole and be outstanding towards the direction of intersecting with the aforementioned plug direction that is connected conductor when being in closed condition; And near or Elastic Contact in a wherein distolateral teat of aforementioned terminal component; Have in the outside: extend out towards aforementioned enclosure direction; Be used for carrying out the section that grips of rotary opening closing operation

When aforementioned when being connected conductor and being lead, under the open state of lever, to be in the lead heart yearn of the state that is inserted in aforementioned conductor patchhole, and utilize closing of lever and seized on both sides by the arms by the aforementioned teat of this lever and a wherein one end side portion of aforementioned terminal component

When aforementioned when being connected conductor and being banana type plug, under the open state of lever, the banana type plug that will be in the state that is inserted in aforementioned conductor patchhole is seized on both sides by the arms by the aforementioned notch part madial wall of lever and a wherein one end side portion of aforementioned terminal component

Thus, aforementioned wire heart yearn or banana type plug and aforementioned terminal component can be electrically connected and keep this connection status.

According to lever is carried out rotating operation toward closed condition, the teat of lever will near or Elastic Contact wherein distolateral in the conductivity terminal component, so lead will be subjected to wherein the seizing on both sides by the arms of an one end side portion of teat and conductivity terminal component.Therefore, if this lever of rotating operation, the work that can connect the line to terminal component or remove from terminal component.

In addition, under the open state of lever, notch part is communicated in the conductor patchhole, so banana type plug can be inserted into the conductor patchhole, is subjected to wherein the seizing on both sides by the arms between the one end side portion of notch part internal face and terminal component.Therefore, the Plug Action of banana type plug can be utilized, the work that banana type plug is connected or separates with terminal component can be carried out.

In addition, the characteristics of the operating handle type socket of second technical scheme of this case are: notch part is to be arranged with between the pair of sidewalls of the inboard that is formed at lever, and the one side relative with terminal component at sidewall, be concaved with an engaging recess, it can be used for the wherein one end side portion engaging of terminal component under lever is in open state.

When lever was in open state, a wherein one end side portion of terminal component was to be fastened on engaging use recess, so can insert under the state by the conductor patchhole being connected conductor, can make the lever standby.

Below, example of the present invention is described in conjunction with the accompanying drawings.

Fig. 1 (a) is the longitudinal section of the lever 13 of the operating handle type socket of example of the present invention when being in open state; Fig. 1 (B) is the vertical view of major part.

Fig. 2 (a) is the longitudinal section that lever 13 is in closed condition; Fig. 2 (B) is the vertical view of major part.

Fig. 3 is the longitudinal section that shows the state that is connecting lead.

Fig. 4 is the longitudinal section that shows the state that is connecting banana type plug.

Fig. 5 is the integrally-built front view of display operation ansa socket.

Fig. 6 is the end view of Fig. 5.

Fig. 7 is the vertical view of Fig. 5.

Fig. 8 shows that traditional screw thread screws the longitudinal section of the state of type socket before connecting lead.

Fig. 9 is the longitudinal section of the state of socket after connecting lead of displayed map 8.

Figure 10 is the interior longitudinal section that inserts the state of banana type plug of socket that is presented at Fig. 8.

Fig. 1 to Fig. 4 is the major part that demonstrates a kind of example of operating handle type socket of the present invention respectively, and wherein, Fig. 1 demonstrates the lever opened state; Fig. 2 demonstrates the lever closing state; Fig. 3 is the connection status that demonstrates lead; Fig. 4 is the connection status that demonstrates banana type plug.

Among Fig. 1 to Fig. 4, the 11st, by the shell of insulating material made, having can be for being connected the conductor conductor patchhole 11a that freely plugs of lead L, banana type plug BP just.Herein, the structure of lead L, banana type plug BP is identical with the traditional structure that is connected conductor shown in Fig. 8 to Figure 10.

Generally speaking lead L and banana type plug BP, are that the diameter of banana type plug BP is bigger, so the bore of conductor patchhole 11a is set to: the degree that can supply the lowest calibre of banana type plug BP plug.And the degree of depth of conductor patchhole 11a is set to: the size that can allow whole banana type plug BP insert at least.

The 12nd, by being fixed on the terminal component that shell 11 interior conductivity band-like plates are constituted, be bent into intimate right angle at pars intermedia, one distolateral 12a of terminal component 12 is along the inner vertical wall 11b configuration of shell 11 and is fixed that another distolateral 12b is along the bottom inside face 11c configuration of shell 11 and is fixed.

One distolateral 12a of this terminal component 12 is in the peristome vicinity of conductor patchhole 11a, is become the U font along its long axis direction by reflexed, and be to be supported to cantilever position near conductor patchhole 11a be provided in the below of this conductor patchhole 11a.Become the result of U font by reflexed, the becoming of terminal component 12: have predetermined elastic force and the direction (left and right directions among the figure) that can intersect vertically strain freely in plug direction (above-below direction among the figure) with lead L, banana type plug BP a distolateral 12a.At the leading section of this distolateral 12a of elastically deformable, utilize formation stage portion and being formed with on every side from outstanding abutting part 20.In addition, the distolateral leading section 12b1 of another of terminal component 12 is projected into the outside of shell 11, thereby can utilize the soldering mode to be connected to without the circuit pattern on the illustrated tellite.

The 13rd, by the lever that insulating material is made into, the intermediate portion is subjected to pivot pin 14d supporting, so lever 13 can rotate freely towards the direction of arrow A and B.

The inboard 13a across above-mentioned pivot pin 14 parts at this lever 13 is formed with: the teat 13a2 that can connect with a distolateral 12a of above-mentioned terminal component 12, this teat 13a2 is positioned at shell 11, when lever 13 is in closed condition (please refer to Fig. 2), be outstanding towards the direction of intersecting with the plug direction of lead L, banana type plug BP.

In being in closed condition shown in Figure 2, between pair of

parallel sidewall

13c, 13c, be formed with a notch part, just gap slot 13a1 (please refer to Fig. 1 (b)) at the lower position of the teat 13a2 of inboard 13a again.When lever 13 was in Fig. 1, open state shown in Figure 4, gap slot 13a1 will be connected with conductor patchhole 11a, can allow inject the lead L, the banana type plug BP that come from conductor patchhole 11a and insert along a distolateral 12a of terminal component 12.

Gap slot 13a1 is the through hole that is connected in the guidance part 13e of inboard 13a front end.The function of guidance part 13e is when inserting banana type plug BP; make the leading section of banana type plug BP be inserted into through hole and located; even on the direction that intersects vertically with direction of insertion, applying excessive strength for banana type plug BP; also can bring into play protective effect, can not make the distolateral 12a of this strength transmission to terminal component 12.

Again, lever 13 across the 13B place, the outside of aforementioned pivot pin 14 parts, be formed with the 13B1 of the portion that grips that the outside towards shell 11 extended out, was used for being rotated the shutoff operation action.

This lever 13 is to utilize its outside 13b to abut to dynamic resistance wall 11d or the 11e that is formed on shell 11 outsides, and make its rotating angle be limited in about 90 degree, just be rotated so the wherein a kind of of the two states of opening and closing that is in as depicted in figs. 1 and 2.

The face relative of

sidewall

13c, 13c with terminal component 12, when lever 13 rotates, be used as can with the cam surface of abutting part 20 Elastic Contact of terminal component 12, but the rotation of standard operation handle 13.That is to say, when open state shown in Figure 1, on its cam surface relative, be concaved with an engaging recessed part 13d with abutting part 20, when lever 13 is in open state, both are engaged, to be in the holding state of waiting for that lead L, banana type plug BP insert, lever 13 is held in the rolling of can not shaking arbitrarily.

In addition, cam surface with teat 13a2 connection near, be the tip surface P that constitutes away from pivot (just pivot pin 14).Therefore, when rotating operation handle 13 makes it break away from closed condition (Fig. 2), the abutting part 20 that elasticity is connected on the cam surface is crossed tip surface P, so only otherwise apply and surpass predetermined operation strength to lever 13 on one's body, lever 13 just is oriented to closed condition always.

The action of the operating handle type socket of the present invention with said structure then, is described.

At first, the on-off action of description operation handle 13.Hypothesis lever 13 is in open state shown in Figure 1 earlier.Gripping the 13B1 of the portion that grips of lever 13 or pushing this lever 13 from this state, making it rotate about 90 degree (vertically holding up) towards clockwise direction (arrow A direction) from the below.Thus, the abutting part 20 of terminal component 12 will be crossed after the tip surface P of

sidewall

13c, 13c, flexibly is contacted with teat 13a2, makes lever 13 be maintained at closed condition (please refer to Fig. 2).

Wanting lever 13 when closed condition returns to open state, in Fig. 2, is to grip the 13b1 of the portion that grips of lever 13 or from right-hand pushing, so that lever 13 is rotated towards counterclockwise (arrow B direction).By this spinning movement, the abutting part 20 of terminal component 12 is crossed after the tip surface P of

sidewall

13c, 13c once again, and sliding on the cam surface after counterclockwise rotating about 90 degree, be engaged to engaging recessed part 13d, make lever 13 be maintained at open state (please refer to Fig. 1).

Like this, operating handle type socket according to this example, owing to formed tip surface P and engaging recessed part 13d, and can utilize these two kinds of positions respectively lever 13 to be positioned to open state and closed condition, therefore, needn't rely on and to apply the combination of the torsion spring and the block of elastic force for the rotation of lever, and utilize terminal component 12 elasticity own lever 13 can be positioned at each position of rotation.

Lead L (heart yearn La) utilizes following mode to be connected on the terminal component 12 of this operating handle type socket, or extracts from this operating handle type socket.

Suppose in the open state of Fig. 1, the abutting part 20 of terminal component 12 is the engaging recessed part 13d that are fastened on

sidewall

13c, 13c, but the gap slot 13a1 between sidewall 13c, the 13c is below conductor patchhole 11a, and the above-below direction in figure is being communicated with.In addition, the teat 13a2 of lever 13 is positioned at from terminal component 12 to retreat and position after keeping out of the way from the plug direction of lead L.Therefore, the heart yearn La of lead L can be inserted in the gap slot 13a1 from conductor patchhole 11a.

Insert after the heart yearn La, lever 13 is closed in the above described manner the words of (rotating) operation towards the arrow A direction, engaging between the abutting part 20 that to remove terminal component 12 and the engaging recessed part 13d, the teat 13a2 of lever 13 can simultaneously rotate, and one side approaches the direction of the abutting part 20 of terminal component 12.

In case operation is when becoming closed condition shown in Figure 3, the heart yearn La of lead L just is subjected to the seizing on both sides by the arms of abutting part 20 of teat 13a2 and terminal component 12, thereby can make the heart yearn La of lead L and being electrically connected of terminal component 12, and keeps this connection status.

When desiring to choose lead L, be with counter clockwise direction (arrow B direction) rotating operation of lever 13 towards figure from closed condition shown in Figure 3.By this operation, the teat 13a2 of lever 13 just become with aforementioned manner on the contrary, one side is towards counterclockwise rotating, one side is drawn back from terminal component 12.In addition, at the both sides place that is inserted with this heart yearn La, the cam surface of

sidewall

13c, 13c just is connected to the abutting part 20 of terminal component 12, thus and terminal component 12 between gap slot 13a1 can appear, thereby the heart yearn La of the lead L that can choose simply.Then, continue rotating operation handle 13, till the open state that becomes Fig. 1, will become abutting part 20 and engaging recessed part 13d are fastened togather, thereby keep the open state of lever 13.

In addition, banana type plug BP be utilize the mode of following explanation and is connected with terminal component 12 or group from.

As previously mentioned, suppose that lever 13 is in open state shown in Figure 1, as shown in the figure, the gap slot 13a1 of lever 13 is communicated in conductor patchhole 11a at above-below direction, and has formed the state in the plug hole of banana type plug BP.From this state, shown in the dotted line of Fig. 1 (B), banana type plug BP is inserted the words of conductor patchhole 11a, terminal component 12 will retreat, banana type plug BP just becomes the state that the abutting part 20 of the gap slot 13a1 madial wall that is subjected to lever 13 and terminal component 12 is seized on both sides by the arms, and banana type plug BP and terminal component 12 become and be electrically connected and keep this connection status.

In addition, if with banana type plug BP towards extracting with the rightabout of direction of insertion, will remove and terminal component 12 between connection status, thereby can choose this banana type plug BP.

Carry out the connection of banana type plug BP by this way and when choosing, needn't this lever 13 of rotating operation, keep the plug that open state can carry out banana type plug BP.When lever 13 was in closed condition shown in Figure 2, the insertion path of banana type plug BP was the obstruction that is subjected to the teat 13a2 of lever 13, so can't be connected with terminal component 12.

Fig. 5 to Fig. 7 is the overall structure figure that shows the object lesson of operating handle type socket of the present invention respectively, and Fig. 5 is a front view, and Fig. 6 is an end view, and Fig. 7 is a vertical view.

Shown herein example, be with Fig. 1 to operating handle type socket shown in Figure 4, be provided with 3 in the horizontal direction, vertically be provided with two-layerly up and down, add up to 6 operating handle type sockets to be made into incorporate structure.The part identical or suitable with Fig. 1 to Fig. 4 put on same figure number, and omits its explanation.In addition, the 21st, the installation screw hole of illustrated operating handle type socket is located at and is connected with on the base 22 of shell 11.The 23rd, be used for being connected the earthing component of usefulness with casing (not shown) for the electric equipment of fitting operation ansa socket.

In above-mentioned example, plug is that the example with banana type plug is illustrated, but the pin of other kind also can.That is to say that terminal component 12 sides are to be made into the structure that flexibly is contacted with plug, so the plug that is used to connect is not limited to the plug that this external diameter of banana type plug can stretch, also can be rigid bodies.

In addition, be used for the engaging recessed part 13d that engages with abutting part 20,, not necessarily engaging recessed part 13d will be set so that lever 13 is positioned at open state though on cam surface, be provided with.

From above explanation as can be known, according to the present invention, can exempt the operation that screws the threaded portion by the operator, and when desire connects lead, as long as will be in the single operation that the lever of open state is closed, in addition, when desire connects banana type plug, as long as under lever is in closed condition, carry out banana type plug is inserted into the single operation action of the conductor patchhole of shell, can keep respectively and being electrically connected of terminal component, therefore have and not only can connect banana type plug, and can simply promptly connect the effect of lead.

In addition, needn't rely on and to apply the combination of the torsion spring and the block of elastic force for the rotation of lever, and utilize the elasticity of terminal component itself lever can be positioned at the position of rotation of open state.

Claims

1. operating handle type socket is characterized in that it possesses:

One insulating properties shell (11), having can be for being connected the conductor patchhole (11a) that conductor (La, BP) freely plugs; With

One conductivity terminal component (12), be to be fixed in the aforementioned shell (11), wherein one distolateral (12a) is contiguous aforementioned conductor patchhole (11a), be formed towards the aforementioned plug direction that is connected conductor (La, BP) and extend, and can be on the direction that intersects vertically with the plug direction that is connected conductor (La, BP), with predetermined elasticity strain freely, wherein another distolateral leading section (12b1) is outstanding towards the external direction of aforementioned shell (11); With

One insulating properties lever (13), the intermediate portion is to be subjected to that pivot props up and free to rotate, prop up part (14) across this pivot, have at inboard (13a): be positioned at aforementioned shell (11), the notch part (13a1) that when being in open state, can be communicated with aforementioned conductor patchhole (11a), and when being in closed condition be towards with the aforementioned conductor (La that is connected, BP) direction that plug direction is intersected is outstanding, and near or Elastic Contact in the wherein teat of distolateral (12a) (13a2) of aforementioned terminal component (12), (13b) has in the outside: extend out towards aforementioned shell (11) external direction, be used for carrying out the portion that grips (13B1) of rotary opening closing operation

When aforementioned when being connected conductor (La, BP) and being lead (L), under the open state of lever (13), to be in the lead heart yearn (La) of the state that is inserted in aforementioned conductor patchhole (11a), utilize closing of lever (13) and seized on both sides by the arms by the aforementioned teat (13a2) of this lever (13) and wherein one distolateral (12a) part of aforementioned terminal component (12)

When aforementioned when being connected conductor (La, BP) and being banana type plug (BP), under the open state of lever (13), the banana type plug (BP) that will be in the state that is inserted in aforementioned conductor patchhole (11a) is seized on both sides by the arms by aforementioned notch part (13a1) madial wall of lever (13) and wherein one distolateral (12a) part of aforementioned terminal component (12)

Thus, aforementioned wire heart yearn (La) or banana type plug (BP) and aforementioned terminal component (12) can be electrically connected and keep this connection status.

2. operating handle type socket as claimed in claim 1, it is characterized in that, notch part (13a1) is between the pair of sidewalls (13c, 13c) that is arranged with at the inboard that is formed at lever (13) (13a), and sidewall (13c) with the relative one side of terminal component (12), be concaved with engaging recess (13d), it can be under the open state in lever (13), uses for wherein one distolateral (12a) the part engaging of terminal component (12).