JPH0577890U - Wire connection tool for clip terminal - Google Patents

Abstract

(57) [Summary] [Purpose] The wire removal member can be easily replaced without disassembling the entire tool. [Structure] A pressing piece 12 for pushing an electric wire c into a U-shaped clip terminal t is projectingly provided on a graspable housing 10, and an electric wire removing member 16 having a hook 14 for extracting the electric wire c pushed into the clip terminal t is provided in the housing 10. It is installed in and out freely. Then, the elongated hole 18 formed long in the wire removing member 16 in the protruding / retracting direction, the holding member 20 that is inserted through the elongated hole 18 to lock the protruding / withdrawing of the wire removing member 16, and the holding member 20 in the elongated hole 18 The electric wire removing member 16 can be detached from the housing 10 by detaching from the housing 10.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric wire connecting tool for clip terminals (hereinafter, simply referred to as an electric wire connecting tool) for connecting an electric wire to a clip terminal used for premises wiring of an electronic button telephone or the like.

[0002]

[Prior Art]

 As a conventional electric wire connecting tool of this type, there is one described in Japanese Patent Application No. 2-52594, which was devised by the present applicants. In this wire connection tool, a pressing piece that pushes the wire into the U-shaped clip terminal is protrudingly provided in the graspable housing, and the wire removing member having a hook that pulls out the wire pressed into the clip terminal can be retracted into the housing. It was installed in.

[0003]

[Problems to be solved by the device]

 By the way, in such an electric wire connecting tool, when the electric wire is pulled out from the clip terminal, a great force is applied to the hook, and the electric wire removing member may be damaged or deformed. However, in such a case, the conventional wire connecting tool has a drawback that the wire removing member cannot be replaced unless the entire tool is disassembled.

Therefore, an object of the present invention is to provide an electric wire connecting tool that can easily replace the electric wire removing member when the electric wire removing member is damaged or deformed.

[0005]

[Means for Solving the Problems]

 The electric wire connecting tool according to the present invention achieves the above object as follows.

A pressing piece for pushing an electric wire into a U-shaped clip terminal is projectingly provided on a grippable housing, and an electric wire removing member having a hook for extracting the electric wire pushed into the clip terminal is provided in the housing so as to be retractable. It is a wire connection tool for clip terminals.

A wire connecting tool according to a first aspect of the present invention includes a long hole formed in the electric wire removing member in a protruding / retracting direction and a holding member that is inserted through the long hole so as to intersect with the long hole. A member and a detachable member for detaching the wire removing member from the housing by detaching the holding member from the elongated hole are provided.

According to a second aspect of the present invention, there is provided an electric wire connecting tool according to the second aspect, in which the engaging holes formed at both ends of the elongated hole are larger than the width of the elongated hole and the elongated hole. It is characterized by comprising a small shaft portion smaller than the width and formed in the holding member, and a large shaft portion formed in the holding member that is larger than the width of the elongated hole and smaller than the locking hole. And

[0009]

[Action]

 In the wire connecting tool according to claim 1, when the lock by the holding member is released while the wire removing member is immersed in the housing, the elongated hole of the wire removing member becomes slidable with respect to the holding member. The member can project from the housing. Similarly, when the wire removal member is protruding from the housing and the lock by the holding member is released, the elongated hole of the wire removal member becomes slidable with respect to the holding member, and the wire removal member sinks into the housing. It will be possible. Further, when the holding member is detached from the elongated hole by the detachable member, the wire removing member can be detached from the housing.

In the electric wire connecting tool according to the second aspect, when the large shaft portion of the holding member is inserted into the locking holes at both ends of the long hole of the electric wire removing member, the large shaft portion does not enter the long hole. The wire removal member is locked. Here, when the small shaft portion is inserted into the locking hole instead of the large shaft portion, the small shaft portion enters the elongated hole of the wire removing member, so that the elongated hole can slide with respect to the small shaft portion. , The lock is released. Further, when the large shaft portion and the small shaft portion are separated from the long hole by the attachment / detachment member, the wire removing member can be removed from the housing.

[0011]

【Example】

 1 to 12 show an embodiment of an electric wire connecting tool according to the present invention, FIG. 1 is a vertical sectional view taken along the line I-I in FIG. 2, FIG. 2 is an overall perspective view in which an electric wire removing member is immersed, and FIG. Is an overall perspective view of the electric wire removing member protruding, FIG. 4 is a partial sectional view of the electric wire removing member unlocked, FIG. 5 is a vertical sectional view taken along line VV of FIG. 3, and FIG. FIG. 7 is a vertical sectional view taken along line VI, FIG. 7 is a partial perspective view of the holding member detached from the long hole, FIG. 8 is an exploded perspective view of the holding member and its vicinity, and FIG. 9 is a perspective view illustrating a method of using the wire removing member. 10 to 12 are partial cross-sectional views of the process of pushing the electric wire into the clip terminal. A detailed description will be given below with reference to these drawings.

A pressing piece 12 for pushing the electric wire c into the U-shaped clip terminal t is projected on the grippable housing 10, and an electric wire removing member 16 having a hook 14 for extracting the electric wire c pushed into the clip terminal t is provided in the housing. It is installed in 10 freely. Then, the elongated hole 18 formed in the wire removing member 16 in the protruding / retracting direction, the holding member 20 that is inserted through the elongated hole 18 to lock the protruding / withdrawing of the wire removing member 16, and the holding member 20. The electric wire removing member 16 can be detached from the housing 10 by detaching the electric wire removing member 16 from the housing 10. Further, locking holes 24 and 26 formed at both ends of the elongated hole 18 having a width larger than the width of the elongated hole 18, and a small shaft portion 28 formed on the holding member 20 smaller than the width of the elongated hole 18, A large shaft portion 30 formed on the holding member 20 may be provided that is larger than the width of the long hole 18 and smaller than the locking holes 24 and 26.

The housing 10 has a hollow shape including a pair of left and right lids, and a tubular guide member 32 is housed inside the hollow. The guide member 32 has a shoulder portion 34 that protrudes inward at its middle portion. Here, the wall surface 36 in front of the shoulder portion 34 (on the pressing piece 12 side) is tilted.

The guide member 32 is screwed into the cutter mounting cylinder 38 at the front end. The rear portion of the cutter mounting cylinder 38 has the same space as the inner diameter of the guide member 32, and the front portion is provided with a small diameter through hole 40. Further, the cutter mounting cylinder 38 has the cutter 44 mounted at the front end thereof by screws 42, 42 so as to be replaceable.

The pusher 46 is slidably fitted in the through hole 40 of the cutter mounting cylinder 38, has a sliding contact surface 48 for guiding the cutter 44 at its front portion, and has a pressing piece 12, at the tip thereof. Have twelve. Electric wire holding grooves 50, 50 are provided at the respective tips of the pressing pieces 12, 12 in a direction orthogonal to the sliding contact surface 48, and a terminal receiving groove 52 is provided between the pressing pieces 12, 12 in parallel with the sliding contact surface 48. Has been. A bulging portion 54 having an outer diameter substantially equal to the inner diameter of the cutter mounting cylinder 38 is connected to the rear end of the presser 46. The rear surface 56 of the bulging portion 54 has a spherical surface. Between the bulging portion 54 and the shoulder portion 34 of the guide member 32, a shaft rod 58 having a diameter slightly smaller than the inner diameter of the shoulder portion 34, a push shaft 60 having a diameter smaller than the shaft rod 58, and the shaft rod 58 and the push rod 58 are pressed. A working member 64 consisting of a peripheral sloped surface 62 between the shaft 60 and the shaft 60 is housed. The acting member 64 has a circumferential protrusion 66 formed on the shaft rod 58, and a coil spring 68 is interposed between the circumferential protrusion 66 and the shoulder portion 34 of the guide member 32 so that the acting member 64 has a bulging diameter of the pressing member 46. It is in pressure contact with the portion 54. The coil spring 68 is composed of a large diameter portion 70 coaxial with the guide member 32 and an eccentric small diameter portion 72, and normally positions the action member 64 inside the guide member 32 in an inclined shape.

An impact member 76 biased forward by a spring 74 is built in the rear portion of the shoulder portion 34 of the guide member 32. Engagement holes 78 are formed in the impact member 76 along the axis. The engagement hole 78 has a diameter larger than the outer diameter of the push shaft 60 of the action member 64 and a depth deeper than the length of the push shaft 60. The engagement hole 78 receives the push shaft 60 and surrounds the periphery 80 of the engagement hole 78. The slope 62 can be contacted.

The mounting screws 82, ... Are screwed into mounting holes 84, ... Bored in the side surface of the housing 10 to join the left and right lids to form the housing 10. The insertion hole 86 is for inserting a string or the like.

When not in operation, the acting member 64 housed inside the guide member 32 is pushed forward by the biasing force of the coil spring 68, whereby the pusher 46 is pushed forward through the bulging portion 54. It is in the state of being Since the action member 64 is held by the eccentric small diameter portion 72 of the coil spring 15, the action member 64 is inclined with respect to the axis of the guide member 32. Further, since the rear surface 56 of the acting member 64 in contact with the bulging portion 54 is a sphere, the acting member 64 stably maintains the inclined state.

When attaching the electric wire c to the clip terminal t, the electric wire c is fitted into the clip terminal t, and the electric wire c is applied to the electric wire holding groove 50 provided at the tip of the pressing member 46 (FIG. 1). At this time, the slit terminal t is positioned so as to face the terminal receiving groove 52.

Next, when the housing 10 is pressed toward the terminal base b, the pressing element 46 and the acting member 64 move backward against the urging force of the coil spring 68 as a reaction of the pressing force on the electric wire c. The retracting of the action member 64 causes the impact member 76 to retract against the forward biasing force of the spring 74 (FIG. 10). At this time, the acting member 64 is inclined and abuts against the edge portion of the engaging hole 78 of the impact member 76 to transmit the backward movement.

When the housing 10 is further pressed toward the terminal base b, the pressing element 46 is further pressed, and the acting member 64 receives the restricting force of the inclination on the inclined wall surface 36 of the shoulder portion 34 and becomes the axial center of the guide member 32. Change postures to match. As a result, the push shaft 60 of the acting member 64 is aligned with the engaging hole 78 of the impact member 76, and the impact member 76 is released from the restraint of the acting member 64 and is moved forward by the elastic force of the spring 74. The impact member 76 collides with the shoulder portion 34 with the engagement hole 78 avoiding the push shaft 60 of the action member 64. The collision impact at this time is transmitted to the pusher 46 through the guide member 32 and the cutter mounting cylinder 38. Due to this impact force, the pusher 46 advances, and the electric wire c is pushed into the clip terminal t while the coating is incised at the edge portion of the clip terminal t to establish electrical conduction (FIG. 11).

Then, when the housing 10 is further pressed toward the terminal base b, the pusher 46 is further pressed, and the cutter 44 cuts the electric wire c in contact with the terminal base b (FIG. 12).

In this way, when the attachment / disconnection of the electric wire c is completed and the tool having the above-described configuration is removed, the coil spring 68 returns the acting member 64 and the pressing member 46 to the normal position at the front, and the working member 64 takes the inclined state again. .. At the same time, the impact member 76 also returns to the forward normal position by the biasing force of the spring 74. In this way, the wire can be attached by a simple operation in which the wire c is held by the presser 46 and pushed into the clip terminal t. When the electric wire c is pushed into the clip terminal t, the coil spring 68 having the eccentric small-diameter portion 72 and the sphere of the rear surface 56 of the pusher 46 synergistically maintain the inclined posture of the action member 64, resulting in malfunction. Can be prevented.

The wire removing member 16 has an elongated plate shape and is housed in the slide housing hole 88 so as to be slidable in the protruding and retracting direction.

The holding member 20 includes an engagement pin 90, a slide body 92 to which the engagement pin 90 is fixed, a spring 94 for urging the slide body 92 outward of the housing 10, and a storage hole for storing these. And 96. The engagement pin 90 is provided with a small shaft portion 28 outwardly of the housing 10, a large shaft portion 30 inwardly of the housing 10, and a truncated cone-shaped guide between the small shaft portion 28 and the large shaft portion 30. The shaft portion 102 is formed coaxially.

The slide body 92 has a substantially cubic shape and has through holes 104 through which the electric wire removing member 16 is inserted, which is formed on both opposite side surfaces of the electric wire removing member 16. Strips 106 are provided on both opposite sides of the other, and a protrusion 108 for fixing the spring 94 is provided on the lower surface. The storage hole 96 is formed with a slide groove 110 into which the slide protrusion 106 is slidably fitted.

The attachment / detachment member 22 has a head 98 having a cross hole formed coaxially with the engagement pin 90, a screw shaft portion 100, and a screw hole portion 112 formed on the upper surface of the slide body 92. It is composed of

Next, a method of using the wire removing member 16 will be described.

When the large shaft portion 30 is inserted into the locking hole 24 of the electric wire removing member 16 in a state where the electric wire removing member 16 is immersed in the housing 10, the large shaft portion 30 does not enter the long hole 18. The removal member 16 is locked. Since the slide body 92 is biased outward of the housing 10 by the spring 94 and the large shaft portion 30 is inside the small shaft portion 28, the large shaft portion 30 does not come out of the locking hole 24 (see FIG. 1).

Subsequently, when the upper surface of the slide body 92 is pushed by the finger f against the biasing force of the spring 94, the slide body slides inward of the housing 10, and accordingly, the large shaft portion 30 is replaced. The small shaft portion 28 is inserted into the locking hole 24. At this time, since the small shaft portion 28 enters the long hole 18, the long hole 18 becomes slidable with respect to the small shaft portion 28, and the lock is released. That is, when the housing 10 is properly tilted in this state, the wire removing member 16 slides in the slide housing hole 88 by its own weight and projects from the housing 10 (FIG. 4).

When the wire removing member 16 slides further so that the locking hole 26 abuts the small shaft portion 28 and the finger f is released from the upper surface of the slide body 92, the large shaft portion 30 is engaged by the urging force of the spring 94. The wire removing member 16 is inserted into the stop hole 26 and locked in the protruding state (FIG. 5). In this state, the electric wire c pushed into the clip terminal t is hooked by the hook 14 and pulled upward to pull out the electric wire c (FIG. 9).

In order to immerse the wire removing member 16 in the housing 10, as with the case where the wire removing member 16 is projected from the housing 10, the upper surface of the slide body 92 is pressed by the finger f against the urging force of the spring 94. Just press it.

Next, a method of removing the wire removing member 16 from the housing 10 when the wire removing member 16 is damaged or deformed will be described.

By inserting a driver (not shown) into the cross hole of the head 98 of the attaching / detaching member 22 and rotating the driver, the screw shaft portion 100 is disengaged from the screw hole portion 112, and the screw shaft 100 is held accordingly. The engaging pin 90 of the member 20 disengages from the elongated hole 18. In other words, there is nothing in the long hole 18 that obstructs the sliding of the wire removing member 16, and when the housing 10 is properly tilted, the wire removing member 16 slides in the slide housing hole 88 by its own weight and is removed from the housing 10. (Fig. 6). Here, a new wire removing member 16 is inserted into the slide accommodating hole 88, and a screwdriver is inserted into the cross hole of the head 98 of the attaching / detaching member 22 and rotated, so that the screwing shaft portion 100 becomes the screwing hole portion 112. The engagement pin 90 of the holding member 20 is screwed and the engagement pin 90 of the holding member 20 is inserted in the long hole 18 accordingly. In this way, the wire removing member 16 is attached to the housing 10. Therefore, by attaching and detaching the attaching / detaching member 22, the electric wire removing member 16 can be replaced very easily.

[0035]

[Effect of the device]

 According to the wire connecting tool of the present invention, the holding member is detached from the long hole by the attaching / detaching member so that the wire removing member can be removed from the housing, so that the wire removing member can be easily removed without disassembling the entire tool. Can be exchanged.

[Brief description of drawings]

FIG. 1 is a view of an embodiment of an electric wire connecting tool according to the present invention.
11 is a vertical sectional view taken along line I-I in FIG.

FIG. 2 is an overall perspective view in which an electric wire removing member of an embodiment of an electric wire connecting tool according to the present invention is immersed.

FIG. 3 is an overall perspective view in which an electric wire removing member of an embodiment of an electric wire connecting tool according to the present invention is projected.

FIG. 4 is a partial cross-sectional view of an electric wire removing member of an embodiment of the electric wire connecting tool according to the present invention in which the lock is released.

FIG. 5 is a view showing an embodiment of an electric wire connecting tool according to the present invention.
5 is a vertical sectional view taken along line VV of FIG.

FIG. 6 is a view of an embodiment of an electric wire connecting tool according to the present invention.
VI-VI line longitudinal sectional view in FIG.

FIG. 7 is a partial perspective view of a holding member of an embodiment of an electric wire connecting tool according to the present invention, which is detached from a long hole.

FIG. 8 is an exploded perspective view of a holding member and its vicinity of an embodiment of an electric wire connecting tool according to the present invention.

FIG. 9 is a perspective view illustrating a method of using an electric wire removing member of an embodiment of an electric wire connecting tool according to the present invention.

FIG. 10 is a partial cross-sectional view of a process of pushing an electric wire into a clip terminal of an embodiment of the electric wire connecting tool according to the present invention.

FIG. 11 is a partial cross-sectional view of a process of pushing an electric wire into a clip terminal of an embodiment of the electric wire connecting tool according to the present invention.

FIG. 12 is a partial cross-sectional view of a process of pushing an electric wire into a clip terminal of an embodiment of the electric wire connecting tool according to the present invention.

[Explanation of symbols]

t ... clip terminal, c ... electric wire, 10 ... housing, 12
... pressing piece, 14 ... hook, 16 ... electric wire removing member, 18 ...
Long holes, 20 ... Holding member, 22 ... Detachable member, 24, 26 ...
Locking hole, 28 ... Small shaft portion, 30 ... Large shaft portion.

Front page continued (72) Inventor Yoshimasa Sugiyama 2-55-13 Ikebukuro, Toshima-ku, Tokyo Inside Hakusan Seisakusho Co., Ltd. (72) Toshihiro Kinagawa 1-6-6 Uchiyuki-cho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Kosuke Hioki 4-15-9 Nakano, Nakano-ku, Tokyo Sanwa Electric Industry Co., Ltd. (72) Inventor Yukiko Hasegawa 4-15-9 Nakano, Nakano-ku, Tokyo Sanwa Electric Industry Co., Ltd. Within

Claims (2)

[Scope of utility model registration request] 1. A holding piece is provided with a pressing piece for pushing an electric wire into a U-shaped clip terminal, and an electric wire removing member having a hook for taking out the electric wire pushed into the clip terminal is provided in the housing so as to be retractable. In the electric wire connecting tool for clip terminal, a long hole formed in the electric wire removing member in a protruding / retracting direction,
A holding member that is inserted through the elongated hole to lock the protruding and retracting of the electric wire removing member, and a detachable member that allows the electric wire removing member to be detached from the housing by separating the holding member from the elongated hole. A wire connecting tool for clip terminals, which is characterized by being provided. 2. A locking hole formed at both ends of the elongated hole and having a width larger than the width of the elongated hole, a small shaft portion formed on the holding member smaller than the width of the elongated hole, and the length. 2. The clip terminal wire connecting tool according to claim 1, further comprising a large shaft portion formed on the holding member, the large shaft portion having a width larger than the hole and smaller than the locking hole.