JP2015133199A - Terminal insertion jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technology for improving workability of inserting and fixing a terminal metal fixture in a storage part, such as a housing.SOLUTION: A worker installs a terminal metal fixture 100 on a terminal insertion jig. At this time, a terminal push part main body 21 holds with a holding part main body 5a. Moreover, a terminal pushing tip part 6 fits into a metal-fitting upper recess, and the terminal metal fixture does not move in a carrying handle 1 in general. Then, positioning work is performed by moving a positioning guide part 5b to a predetermined location in a housing. The terminal metal fixture 100 is pushed into a storage part by pushing the terminal insertion jig. A terminal holding part 4 is slid so that it may move to inside of the carrying handle 1 accompanied with the pushing. When it is pushed into the deepest part, a ball plunger part 7 fits into a recess 8 for a ball plunger, and a click feeling is generated.

Description

  The present invention relates to a terminal insertion jig, for example, a terminal insertion jig for inserting a terminal fitting into a predetermined housing position of a housing.

  2. Description of the Related Art Conventionally, in a vehicle electrical component or the like, a component having a configuration in which a terminal fitting is inserted into a predetermined housing portion and fixed in a resin housing is used. In general, a predetermined jig (terminal insertion jig) is used when inserting the terminal fitting into the housing.

  FIG. 14 shows a state in which the terminal insertion jig 800 according to the prior art is attached to the terminal fitting 900. In the terminal fitting 900, a cable fixing portion 920, which is a portion to which the cable 910 is fixed by caulking, is formed obliquely rearward. Inside the terminal insertion jig 800, a stainless steel plate having a convex tip 820 is provided. A predetermined plate-like frame is provided around the stainless steel plate. Here, the front end portion 820 of the stainless steel plate is disposed so as to be a predetermined amount above the lower end portion of the terminal insertion jig 800. Then, the worker first sets the terminal fitting 900 to a predetermined insertion position. Subsequently, the tip end portion 820 of the stainless steel plate is brought into contact with the terminal shoulder portion 930 at the upper end portion of the terminal fitting 900, and the terminal fitting 900 is pushed into the housing such as a housing.

  Various techniques have been proposed as this type of jig (see, for example, Patent Documents 1 and 2). For example, the technique disclosed in Patent Document 1 relates to a jig for direct insertion of an electric wire into an electric connection box mounted on an automobile, and in particular, collects terminals of a plurality of electric wire terminals in a terminal accommodating portion arranged side by side in the electric connection box. The technology that makes it possible to connect. Further, the technique disclosed in Patent Document 2 realizes a technique in which anyone can easily and surely insert the rear holder into the connector with a small operating force, and the terminal is accurately locked by the rear holder.

JP 2003-229227 A JP 2009-140857 A

  By the way, recently, the spread and promotion of electric vehicles and the like, and the spread of hybrid vehicles are progressing. Therefore, there are many parts that handle a relatively large current. For this reason, more appropriate mounting of terminal fittings is required than ever before. Furthermore, in the case of a large current, the cable (harness) attached to the terminal fitting may be thick, and there is a problem that the wiring in the housing is difficult. In addition, various parts are often arranged in a narrow space due to a demand for miniaturization of parts, and there is a concern that the workability of the terminal fitting mounting work is lowered. The techniques disclosed in FIG. 14, Patent Document 1, and Patent Document 2 cannot sufficiently cope with these situations, and another technique has been demanded.

  The object of the present invention is made in view of such a situation, and is to provide a technique for solving the above-described problems.

The terminal insertion jig of the present invention is fixed to the handle and is attached to the terminal pushing portion that is pressed against a predetermined position of the terminal fitting when the terminal fitting is pushed in, and is slidably attached to the terminal pushing portion by a predetermined amount. A terminal holding portion, and a spring portion that elastically changes as the terminal holding portion slides, and when the terminal fitting is inserted into a predetermined member, the terminal fitting is accommodated in the terminal holding portion. Is done.
Moreover, the fitting shape which fits with the predetermined structure of the said terminal metal fitting may be formed in the part pressed against the said terminal metal fitting of the said terminal pushing part.
Moreover, when the said terminal holding part slides, the uneven | corrugated shape fitted in a sliding limit position may be provided in the terminal pushing part 2 terminal holding part.

  According to the present invention, it is possible to improve workability when a terminal fitting is inserted and fixed in a housing portion such as a housing.

It is a perspective view of a housing in the state where one terminal metal fitting was inserted concerning an embodiment of the invention. It is a perspective view of a housing in the state where two terminal metal fittings concerning an embodiment of the invention were inserted. It is a figure which shows the operation | work which accommodates a terminal metal fitting in a housing using the terminal insertion jig based on embodiment of invention. It is the figure which showed the state which mounted | wore the terminal insertion jig with the terminal metal fitting based on embodiment of invention. It is a top view of a terminal insertion jig concerning an embodiment of an invention. It is a top view which shows the internal structure of a terminal insertion jig | tool by removing the 2nd case based on embodiment of invention. It is a figure which decomposes | disassembles and shows the terminal insertion jig based on embodiment of invention. It is a figure of the state which assembled the terminal pushing part and terminal holding part based on embodiment of invention. It is a three-view figure of the 1st case based on the embodiment of the invention. It is a three-view figure of the 2nd case based on embodiment of an invention. It is the four-view figure and perspective view of the terminal holding part which concern on embodiment of invention. It is the figure which showed typically the state before and behind insertion to the housing of the terminal metal fitting by the terminal insertion jig based on embodiment of invention. It is a figure which shows the internal state of the terminal insertion jig at the time of accommodating a terminal metal fitting in a housing using the terminal insertion jig based on embodiment of invention. It is a figure which shows the state which attached the terminal insertion jig based on background art to the terminal metal fitting.

  Hereinafter, modes for carrying out the invention (hereinafter referred to as “embodiments”) will be described with reference to the drawings.

  FIG. 1 is a perspective view of a housing 500 in a state where one terminal fitting 200 (first terminal fitting 200A) according to the embodiment is inserted. FIG. 2 is a perspective view of the housing in a state in which two terminal fittings 200 (first and second terminal fittings 200A and 200B) are inserted. When the first and second terminal fittings 200A and 200B are not distinguished, they are simply referred to as the terminal fitting 200.

  As illustrated, the first terminal fitting 200A and the second terminal fitting 200B are pushed into and housed in the first and second housing portions 510A and 510B of the housing 500, respectively. As described above, relatively thick cables 210 </ b> A and 210 </ b> B (simply referred to as “cable 210” when not distinguished) are attached to the terminal fitting 200 used in an electric vehicle or the like. However, the cable 210 is routed and the terminal fitting 200 is accommodated in a narrow space due to the miniaturization of components. For example, when the second terminal metal fitting 200B is pushed in as shown in FIG. 2 after the first terminal metal fitting 200A is pushed in and fixed as shown in FIG. A part corresponding to (second terminal fitting 200B) is placed at the position of second accommodating portion 510B, and then pushed in using the predetermined jig described above with reference to FIG. As a result, there has been a problem that if the operation of arranging the parts corresponding to the terminal fittings 200 is troublesome or the operator is unfamiliar, erroneous work occurs and the yield decreases. Therefore, workability is improved by using a terminal insertion jig 100 described below.

  FIG. 3 is a diagram illustrating an operation of pushing and housing the terminal fitting 200 into the housing 500 using the terminal insertion jig 100 of the present embodiment. In the drawing, the cable 210 is omitted. FIG. 4 shows a state in which the terminal fitting 200 is pushed into the terminal holding portion 4 of the terminal insertion jig 100. Although the details will be described later, the state shown in FIG. 4 is prepared in advance, and the terminal fitting 200 integrated with the terminal insertion jig 100 is moved to the accommodating portion 510 of the housing 500 as shown in FIG. The operation of pushing in the terminal fitting 200 is performed. Here, the terminal fitting 200 is integrally provided with a cable fixing portion 220 extending obliquely rearward at a shoulder portion opposite to the insertion distal end side, and the cable 210 is attached by caulking.

  FIG. 5 is a plan view of the terminal insertion jig 100, and FIG. 5B shows a part of the internal structure of FIG. FIG. 6 is a plan view of the terminal insertion jig 100 with the second case 1B removed, and FIG. 6 (a) shows a state in which the terminal holding portion 4 has moved most forwardly (downward in the drawing). FIG. 6B shows a state in which the terminal holding portion 4 is moved in the most post-insertion direction (the upper side in the drawing). FIG. 7 is an exploded view of the terminal insertion jig 100. FIG. 8 is a view showing a state in which the terminal pushing portion 2 and the terminal holding portion 4 are assembled. In the drawing, general fixing members such as screws necessary for assembling the terminal insertion jig 100 are omitted.

  As shown in the figure, the terminal insertion jig 100 includes a handle portion 1, a terminal pushing portion 2, a spring 3, and a terminal holding portion 4.

  The handle portion 1 is made of, for example, hard urethane, and includes two cases, a first case 1A and a second case 1B.

  FIG. 9 shows a three-sided view of the first case 1A. 9A is a plan view, FIG. 9B is a front view, and FIG. 9C is a side view. FIG. 10 shows a three-sided view of the second case 1B. FIG. 10A is a plan view, FIG. 10B is a front view, and FIG. 10C is a side view.

  The first case 1A and the second case 1B are held by combining the surface shown in FIG. 9A of the first case 1A with the surface shown in FIG. 10A of the second case 1B. Hand 1 is constructed. In the first case 1A and the second case 1B, the component housing portions 11A and 11B that constitute a space for arranging the terminal pushing portion 2, the spring 3, and the terminal holding portion 4 inside the handle portion 1 are provided. Is formed. Further, the terminal holding portion 4 slides when the terminal fitting 200 is inserted into the housing 500, but the regulation walls 13A and 14B for regulating the movement are formed on the first and second cases 1A and 1B. Yes. Further, spring accommodating portions 12A and 12B for arranging the spring 3 are provided.

  As shown in FIG. 8, when assembling the terminal insertion jig 100, the terminal pressing portion 2 is disposed so as to be attached to the terminal holding portion 4 and is disposed in the first case 1 </ b> A. The terminal pushing part 2 is formed from a stainless steel plate having a thickness of about 1 mm, for example.

  The terminal pushing portion 2 includes a rectangular terminal pushing portion main body 21, an upper portion 22 formed integrally with the terminal pushing portion main body 21 on the upper side in the figure and slightly convex on one side, and an illustration of the terminal pushing portion main body 21. And a terminal pushing tip 6 formed on the lower side. The terminal pushing tip 6 is formed in a small convex shape downward so as to be fitted in a metal upper recess 230 formed in the shoulder of the terminal metal 200. In the terminal pushing part 2 in FIG. 7, the left side of the terminal pushing front-end | tip part 6 is the shape cut off by the curve. This is designed so that the cable 210 and the like are not damaged when the terminal pushing tip 6 is fitted in the metal fitting upper recess 230. Further, the terminal pressing portion main body 21 is formed with two fixing openings 25 for fixing the first case 1A. Furthermore, a hemispherical or ball-shaped ball plunger portion 7 is provided at a predetermined position of the terminal pushing portion main body 21. The ball plunger portion 7 may be integrated with the terminal pushing portion main body 21 or may be a separate body.

  FIG. 11 is a four-side view and a perspective view of the terminal holding portion 4. 11 (a) is a plan view, FIG. 11 (b) is a front view, FIG. 11 (c) is a left side view, FIG. 11 (d) is a right side view, and FIG. 11 (e) is a perspective view.

  The terminal holding portion 4 is integrally formed of a stainless material, and includes a holding portion main body 5a, a positioning guide portion 5b, and an accommodation groove 5d. The holding portion main body 5a includes a first holding surface 5e and a second holding surface 5f.

  The first holding surface 5e and the second holding surface 5f are arranged so as to face each other with a predetermined distance therebetween. The separated part is the accommodation groove 5d. A part of the terminal pushing portion main body 21 of the terminal pushing portion 2 is disposed in the receiving groove 5d. In FIGS. 11C to 11E, the upper end portions of the first holding surface 5e and the second holding surface 5f are connected. The second holding surface 5f is formed lower than the first holding surface 5e. That is, as shown in FIG. 8B described above, a part of the terminal pressing portion main body 21 is exposed on the side where the second holding surface 5f is formed in a state where the terminal pressing portion 2 is arranged. It is like that. Here, the dimensions are set to such a level that a part of the terminal pushing tip 6 can be seen.

  In addition, a positioning guide portion 5b having a slightly narrow width is provided in the longitudinal direction above the connecting portion of the first holding surface 5e and the second holding surface 5f (the left-right direction in FIGS. 11C and 11D). It is formed to extend.

  And the state which has arrange | positioned the terminal pushing part 2 and the terminal holding part 4 of the state shown in FIG. 8 in the component accommodating part 11A of 1A of 1st cases is the terminal insertion jig 100 of FIG. At this time, the terminal pushing portion 2 is fixed to the handle portion 1 (first case 1A). And the terminal holding part 4 slides so that the terminal pushing part main body 21 of the terminal pushing part 2 may be held. The sliding of the terminal holding portion 4 is restricted by the restriction wall 13A of the first case 1A and the restriction wall 14B of the second case 1B. Specifically, when the terminal holding portion 4 is at the lowermost side (FIG. 6A), the contact portion 5c at the upper end portion of the positioning guide portion 5b contacts the restriction wall 13A. On the other hand, when the terminal holding portion 4 is on the uppermost side (FIG. 6B), the terminal pushing portion upper end 23 of the terminal pushing portion main body 21 comes into contact with the regulation wall 14B of the second case 1B.

  The operation of inserting the terminal fitting 200 by the terminal insertion jig 100 having the above configuration will be briefly described with reference to FIGS.

  FIG. 12 is a diagram schematically showing a state before and after insertion of the terminal fitting 200 into the housing 500 by the terminal insertion jig 100. FIG. 12A shows a state where the tip end portion of the terminal holding portion 4 is in contact with a predetermined position for positioning. FIG.12 (b) has shown the state which pushed in the terminal metal fitting 200 from the state of Fig.12 (a). FIG. 13 is a diagram showing an internal state of the terminal insertion jig 100 when the terminal fitting 200 is accommodated in the housing 500 using the terminal insertion jig 100. The relationship between the terminal pushing portion 2 and the terminal holding portion 4 is explicitly shown by removing the second case 1B and the spring 3.

  First, the operator attaches the terminal fitting 200 to the terminal insertion jig 100. At this time, the terminal pressing portion main body 21 is held by the holding portion main body 5a. Further, the terminal pushing tip portion 6 is fitted into the metal fitting upper recess 230, so that the terminal metal fitting 200 is not substantially moved in the handle portion 1. Subsequently, the positioning operation is performed by moving the positioning guide portion 5b to a predetermined position of the housing 500 (accommodating portion 510). The state where the position is adjusted is the state shown in FIG. And the terminal metal fitting 200 is pushed in the accommodating part 510 by pushing in the terminal insertion jig | tool 100. FIG. The terminal holding portion 4 slides so as to move into the handle portion 1 as it is pushed. The sliding amount can be set as appropriate, but is about 1 cm, for example. When pushed to the deepest portion, the ball plunger portion 7 fits into the ball plunger recess 8 and a click feeling is generated. As a result, it can be seen that the terminal fitting 200 is securely accommodated. When the terminal insertion jig 100 is pulled out, the terminal holding portion 4 comes out to the outside by the amount of sliding inside the handle portion 1 due to the action of the spring 3.

  According to the terminal insertion jig 100 of the above embodiment, since the terminal fitting 200 can be held, the position to the insertion position can be easily set. In addition, since the amount of pushing at the time of inserting the terminal can be recognized by the operator's click feeling, it is possible to more reliably determine the end of insertion than before, and to prevent the occurrence of a semi-fitting failure. In addition, the terminal fitting 200 can be easily pushed into the housing portion 510 of the housing 500 in a desired posture, for example, a vertical posture.

  The present invention has been described based on the embodiments. This embodiment is an exemplification, and it is understood by those skilled in the art that various modifications can be made to each of those components and combinations thereof, and such modifications are also within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Handle part 1A 1st case 1B 2nd case 2 Terminal pushing part 3 Spring 4 Terminal holding part 5a Holding part main body 5b Positioning guide part 5c Contact part 5d Housing groove 5e First holding surface 5f 2nd Holding surface 6 Terminal pushing tip (fitting shape)
7 Ball plunger portion 8 Ball plunger recess 11A, 11B Component housing portion 12A, 12B Spring housing portion 13A, 13B, 14B Restriction wall 21 Terminal pushing portion body 22 Upper portion 23 Terminal pushing portion upper end 25 Fixing opening 100 Terminal insertion treatment Tool 200 Terminal fitting 200A First terminal fitting 200B Second terminal fitting 210 Cable 220 Cable fixing portion 230 Bracket upper recess 500 Housing 510 Housing portion 510A First housing portion 510B Second housing portion

Claims (3)

A terminal pressing part that is fixed to the handle and pressed against a predetermined position of the terminal fitting when the terminal fitting is pushed in;
A terminal holding part that is slidably attached to the terminal pushing part by a predetermined amount;
A spring portion that elastically changes as the terminal holding portion slides;
Have
When inserting the said terminal metal fitting into a predetermined member, the said terminal metal fitting is accommodated in the said terminal holding part, The terminal insertion jig characterized by the above-mentioned.   2. The terminal insertion jig according to claim 1, wherein a fitting shape that fits with a predetermined structure of the terminal fitting is formed at a portion of the terminal pushing portion that is pressed against the terminal fitting.   3. The terminal according to claim 1, wherein when the terminal holding portion slides, an uneven shape that fits at a sliding limit position is provided in the terminal pressing portion and the terminal holding portion. Insert jig.

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