TWI732638B - Reinforced electrical conductor connector - Google Patents

Abstract

The present invention relates to a reinforced electrical conductor connector comprises a terminal connecting box and a contact unit. The terminal connecting box comprises a plurality of inserting holes, a stop space that connecting with the inserting holes is formed inside the terminal connecting box . The contact unit is installed in the stop space of the terminal connecting box. The contact unit comprises a spring steel sheet and a bus bar. The spring steel sheet comprises a bottom edge portion, a top edge portion, a window portion, a spring portion and a reinforcement portion. A close area is constructed by four of the window portion, bottom edge portion, top edge portion and the bus bar because the reinforcement portion is connected between the bottom edge portion and the bus bar. Wherein, an electrical conductor will be clapped by both of the spring portion and bus bar while the electrical conductor inserting into the stop space, the contact position that the electrical conductor being clapped by the spring portion is located in the close area. The present invention improves the clamping efficiency that the spring sheet clamps the electrical conductor and makes the connection between the electrical conductor and the electrical conductor connector more stable by using the close area constructed by the spring steel sheet.

Description

Reinforced conductive connector

The invention relates to a reinforced conductive connector, in particular to the reinforced structure of the spring steel sheet and the bus bar corresponding to each other.

Common electrical wire connectors are mainly used to connect the end of electrical wires between electrical appliances or accessories and power supplies, and can form one or more circuit loops. It is true For the purpose of achieving one-to-one, one-to-many or many-to-many electrical connections, it can be divided into two types: temporary connection or permanent connection. Usually portable miniature connectors are used for temporary connections and can To be disassembled.

The basic structural parts of the electrical wire connector include contact components, insulators and shells. The contact components are the core components of the connector to complete the electrical connection function. The contact components are generally composed of male contacts and female contacts. The electrical connection is completed by plugging. The male contact is a rigid member, and its shape is cylindrical (round pin), square column (square pin) or flat (plug). The female contact is a socket, and the female contact is The piece relies on the elastic structure to be elastically deformed when it is inserted into the pin to generate elastic force to form close contact with the positive contact piece.

At the same time, the contact assembly on the connector is a locking mechanism to ensure that the end of the electric wire is connected and fixed, and the elastic structure is driven by the force of the electric wire or the switch member, so that the electric wire can be inserted quickly and electrically connected. In the case of the locking mechanism, it is possible to prevent the electrical connection from not being close enough to cause poor contact and to prevent the electrical wire from being easily loosened when accidentally pulled.

Among them, when using the electrical wire to insert, the elastic structure of the contact assembly will cause deformation and thus allow the electrical wire to enter, but the elastic structure is affected by the pushing force, which may cause positional deviation or the overall resistance is not enough to affect the elasticity Poor feedback, so that the conductor of the electrical wire may cause poor contact when inserted or the locking force is not enough to easily cause looseness.

The main purpose of the present invention is to provide a conductive connector, which is electrically connected by inserting an electric wire, and can make the electric wire more stable through the reinforcing member to prevent deviation.

The secondary objective of the present invention is to provide a conductive connector, which forms a surrounding enclosed area through a reinforcing member, so that the electrical wire and the contact portion can maintain the same contact position, and the electrical wire contact positions are the same to achieve the best conductive effect.

To achieve the foregoing objective, the reinforced conductive connector of the present invention allows a plurality of electrical wires to be inserted and can be electrically connected to each other. The reinforced conductive connector includes: a terminal box, and a plurality of plugs are configured along a wire insertion direction. A wire hole, and a stopping space communicating with the wire insertion holes is formed inside, so that the plurality of electric wires from which the insulating material is removed can be inserted into the stopping space along the wire insertion holes; a contact assembly is installed in the terminal connection In the stopping space of the box, there are a plurality of terminal contacts arranged in a row adjacent to each other, and the contact assembly includes a spring steel sheet and a bus bar forming all the terminal contacts.

It is characterized in that: the spring steel sheet includes a lower edge, an upper edge, a window, an elastic part, and a reinforcing part. The upper edge and the lower edge are arranged at intervals, and the window is arranged on the lower edge. Between the edge portion and the upper edge portion, there are a plurality of windows to align the wire insertion holes one to one, and the elastic portion is connected to the lower edge portion and has a plurality of elastic pieces to align the wire insertion holes one to one. The reinforcing portion is connected between the lower edge portion and the bus bar, so that the window portion, the lower edge portion, the reinforcing portion and the bus bar together form a closed area.

Wherein, when the electric wire is inserted into the stopping space, it will be clamped by the elastic sheet and the bus bar, and a contact position of the elastic sheet clamping the electric wire is located in the enclosed area.

Regarding the reinforced member, in a preferred embodiment, the reinforced portion is provided with a support member at two opposite sides along a length direction of the lower edge portion, and the opposite sides of the busbar extend respectively A flange that fits the fixing of the support member is provided, and the reinforcing part is used for connection and fixing.

In still another preferred embodiment, the bus bar has two contact portions fixed with the upper edge portion, and a recessed portion is connected between the two contact portions, and the reinforcing portion is connected to the two ends of a single support respectively. The center of the lower edge portion and the recessed portion.

Wherein, the window portion forms a reinforcement member extending toward the recessed portion between the plurality of windows, so that the recessed portion is simultaneously connected by the reinforcement portion and the reinforcement member.

Wherein, the bus bar is respectively extended with a guide member at the aligned positions of the plurality of wire insertion holes, and the guide member has a first inclined section extending from the bus bar, a second inclined section for guiding the electrical wire, and A reflexed section located between the first inclined section and the second inclined section, the electric wire will be clamped together by the bus bar, the reflexed section and the elastic sheet.

In addition, the bus bar is further provided with an undercut piece on the opposite side of the guide pieces, and the undercut piece fixes the bus bar on the upper edge part.

Wherein, the shrapnel has a first curved section, a second curved section, and a pressing section. One end of the first curved section is connected to the lower edge portion, and the other end has a second curved section connected to the The first turning end, and the opposite side of the second curved section has a second turning end connected to the pressing section.

In one embodiment, the conductive connector further includes an operating lever, which is movably assembled to the terminal box, has an operating portion that cooperates with the elastic piece, and a triggering portion that forms a gripping area. The part is configured with a cam so as to simultaneously swing and move along at least one contact surface of the terminal box.

In summary, the reinforced conductive connector of the present invention is characterized in that the spring steel sheet has the reinforcing portion connected between the lower edge portion and the bus bar, and utilizes the reinforcing portion and the bus bar, the window portion, and The lower edge portion forms the enclosed area that is surrounded together, and the elastic piece clamps the electric wire and is fixed at the contact position in the enclosed area.

Wherein, when the operating lever is used for operation, the pulling part will cause the operating part to push the shrapnel for positional movement, and when the shrapnel is pushed, the reinforcing part will stabilize the shrapnel and share the force, and then clamp The reinforcing part will give the elastic sheet a stable force to clamp and assist the electric wire, so that the electric wire can be closely attached to the busbar.

In order to facilitate a deeper, clear and detailed knowledge and understanding of the structure, use and characteristics of the present invention, a preferred embodiment is given, which is described in detail in conjunction with the drawings as follows:

Please refer to Figures 1-2. The reinforced conductive connector 1 of the present invention includes a terminal box 2, a contact assembly 3, and an operating rod 4. The terminal box 2 is configured with a plurality of terminals along a wire insertion direction A. The insertion holes 21, and a stop space 22 linked to the insertion holes 21 is formed inside, so that the plurality of electric wires 5 from which the insulating material 51 is removed can be inserted into the stop spaces 22 along the insertion holes 21, respectively, In addition, the terminal box 2 has a blocking cover 23 located in the stop space 22 along the wire insertion direction A, and the operating rod 4 can be movably assembled above the terminal box 2.

The insertion hole 21 has an outer end 211 and an inner end 212 located in the stop space 22. The outer end 211 has a first cross section 213, and the inner end 212 has an area smaller than the first cross section 213. The second cross-section 214 of, forms an effect of gradually shrinking the through hole, so that the electrical wire 5 can be more concentratedly contacted on the contact assembly 3 during the insertion process.

Wherein, the wire insertion hole 21 is sequentially formed with a first section 215, a second section 216 and a third section 217 according to the wire insertion direction A, the first section 215 and the second section 216 Each is set to a cone shape with different tapering inclination, and the third section 217 is set to a cylindrical shape.

Wherein, the contact assembly 3 is installed in the stop space 22 of the terminal box 2, and is configured with a number of terminal contacts 31 arranged in a row adjacent to each other. The contact assembly 3 includes a spring steel sheet 32 and a forming unit. The bus bar 33 of the terminal contact 31.

The spring steel sheet 32 includes a lower edge portion 321, an upper edge portion 322, a window portion 323, an elastic portion 324, and a reinforcing portion 325. The upper edge portion 322 and the lower edge portion 321 are arranged spaced apart, and the The window portion 323 is disposed between the lower edge portion 321 and the upper edge portion 322. The window portion 323 has a plurality of windows 323a to align the wire insertion holes 21 one to one. The elastic portion 324 is connected to the lower edge portion 321. The elastic portion 324 has a plurality of elastic pieces 326 to align the wire insertion holes 21 one-to-one, and the reinforcing portion 325 is connected between the lower edge portion 321 and the bus bar 33 so that the window portion 323, the lower edge portion 321, The reinforcing part 325 and the bus bar 33 together form a closed area B.

Wherein, the operating lever 4 has an operating portion 41 that cooperates with the elastic piece 326 and a flipping portion 42 that forms a gripping area. The operating portion 41 is configured with a cam 43 that can follow at least one of the terminal boxes 2 The contact surface 24 swings and moves simultaneously.

The elastic piece 326 has a first curved section 326a, a second curved section 326b, and a pressing section 326c. The first curved section 326a has a first turn connected to the second curved section 326b. The opposite side of the second curved section 326b has a second turning end 326e connected to the pressing section 326c.

Please refer to FIGS. 3A to 3B. In a preferred first embodiment, the reinforcing portion 325 is provided with a supporting member 325a at two opposite positions along the length of the lower edge portion 321, respectively, and the Two opposite sides of the bus bar 33 respectively extend a flange 331 fixed to the supporting member 325a. The supporting member 325a has a hook 325b at the top, and is connected to the bus bar 33 by the hook 325b. The flange 331.

Please refer to FIG. 3C. In a preferred first embodiment, the bus bar 33 is provided with a guiding member 332 extending at the aligned positions of the plurality of wire insertion holes 21, and the guiding member 332 has a bus bar. 33 extended first inclined section 332a, a second inclined section 332b guiding the electrical wire 5, and a reflexed section 332c located between the first inclined section 332a and the second inclined section 332b, make the The electric wire 5 will be clamped together by the bus bar 33, the reflexed section 332c and the elastic piece 326. The bus bar 33 is further provided with an undercut piece 333 on the opposite side of the guide pieces 332, by The inverted hook 333 fixes the bus bar 33 to the upper edge portion 322, and makes the bus bar 33 difficult to change position due to external force.

Please refer to FIGS. 4A to 4D. In a preferred second embodiment, the bus bar 33 has two contact portions 334 fixed with the upper edge portion 322, and a concave portion 335 is connected between the two contact portions 334. The reinforcing portion 325 is respectively connected to the center of the lower edge portion 321 and the recessed portion 335 by two ends of a single support 325a.

Wherein, the window portion 323 forms a reinforcing member 323b extending toward the concave portion 335 between the plurality of windows 323a, so that the concave portion 335 is simultaneously connected by the reinforcing portion 325 and the reinforcing member 323b.

Referring to FIG. 5A, in the first embodiment, when the electrical wire 5 is inserted into the reinforced conductive connector 1 according to the wire insertion direction A, the electrical wire 5 will pass from the outer end of the wire insertion hole 21 211 is inserted. When the electric wire 5 is inserted through the first section 215 and the second section 216, the electric wire 5 will gradually concentrate in the wire insertion holes 21, and the electric wire 5 has a part covered with an insulating material 51 Will be blocked in the second section 216. After the electrical wire 5 is inserted into the third section 217, the electrical wire 5 will first abut against the second inclined section 332b, which is guided by the second inclined section 332b. Lead to the bus bar 33.

At the same time, the flipping portion 42 is lifted upwards, and the cam 43 of the operating portion 41 is moved along the contact surface 24 of the terminal box 2, and the operating portion 41 will be moved along the first The curved section 326a presses the elastic piece 326 toward the lower edge portion 321, and the support 325a of the reinforcing portion 325 is connected to the flange 331 of the bus bar 33, so that the elastic piece 326 can be pressed downward under a stable force.

Wherein, when the electric wire 5 is inserted into the window portion 323, and then the pull portion 42 is released, the elastic action of the elastic piece 326 will push the operating portion 41 back, and the pressing section 326c of the elastic piece 326 will The electric wire 5 is pressed against the bus bar 33, so that the electric wire 5 will be clamped together by the bus bar 33, the reflexed section 332c and the elastic piece 326, and the elastic piece 326 and the electric wire 5 The contact position will be exactly in the enclosed area B.

Referring to FIG. 5B, in the second embodiment, when the electrical wire 5 is inserted into the reinforced conductive connector 1 according to the wire insertion direction A, the electrical wire 5 will pass from the outer end of the wire insertion hole 21 211 is inserted. When the electric wire 5 is inserted through the first section 215 and the second section 216, the electric wire 5 will gradually concentrate in the wire insertion holes 21, and the electric wire 5 has a part covered with an insulating material 51 Will be blocked in the second section 216. After the electrical wire 5 is inserted into the third section 217, the electrical wire 5 will first abut on the guiding member 332, and be guided to the guiding member 332 by the guiding member 332. The bus bar 33.

At the same time, the flipping portion 42 is lifted upwards, and the cam 43 of the operating portion 41 is moved along the contact surface 24 of the terminal box 2, and the operating portion 41 will be moved along the first The curved section 326a presses the elastic piece 326 toward the lower edge portion 321, and the supporting member 325a of the reinforcing portion 325 is connected to the concave portion 335 of the bus bar 33, so that the elastic piece 326 can be stably pressed downward.

Wherein, when the electric wire 5 is inserted into the window portion 323, and then the pull portion 42 is released, the elastic action of the elastic piece 326 will push the operating portion 41 back, and the pressing section 326c of the elastic piece 326 will When the electric wire 5 is pressed against the bus bar 33, the electric wire 5 will be clamped by both the bus bar 33 and the elastic piece 326, and the contact position of the elastic piece 326 and the electric wire 5 will be just right. Located in the enclosed area B.

1: Reinforced conductive connector 2: Terminal box 21: Plug-in hole 211: Outer end 212: inside end 213: First Section 214: Second Section 215: The first section 216: Second section 217: Third Section 22: Stop space 23: cover 24: contact surface 3: Contact components 31: Terminal contacts 32: Spring steel sheet 321: lower edge 322: upper edge 323: Window 323a: Window 323b: reinforcement 324: Elastic part 325: Reinforcement Department 325a: Support 325b: hook fastener 326: Shrapnel 326a: The first arc segment 326b: The second arc segment 326c: Compression section 326d: the first turning point 326e: the second turning point 33: Bus 331: Flange 332: guide 332a: The first inclined section 332b: The second inclined section 332c: Reflex section 333: Undercut 334: Contact 335: Depression 4: joystick 41: Operation Department 42: Pulling part 43: cam 5: Electric wire 51: Insulating material A: Insertion direction B: closed area

Figure 1 is an exploded view of the reinforced conductive connector of the present invention; Figure 2 is a cross-sectional view of the reinforced conductive connector of the present invention; 3A is a perspective view of the contact assembly of the first embodiment of the present invention; Figure 3B is a side view of the contact assembly of the first embodiment of the present invention; 3C is a perspective view of the bus bar of the first embodiment of the present invention; Figure 4A is a perspective view of a contact assembly according to a second embodiment of the present invention; 4B is a side view of the contact assembly according to the second embodiment of the present invention; 4C is a cross-sectional view of the contact assembly of the second embodiment of the present invention; 4D is a perspective view of the bus bar according to the second embodiment of the present invention; FIG. 5A is a schematic diagram of the plug-in of the first embodiment of the present invention; and FIG. 5B is a schematic diagram of the plug-in line of the second embodiment of the present invention.

1: Reinforced conductive connector

2: Terminal box

21: Plug-in hole

211: Outer end

212: inside end

213: First Section

214: Second Section

215: The first section

216: Second section

217: Third Section

22: Stop space

23: cover

24: contact surface

3: Contact components

31: Terminal contacts

32: Spring steel sheet

321: lower edge

322: upper edge

323: Window

323a: Window

324: Elastic part

325: Reinforcement Department

325a: Support

326: Shrapnel

326a: The first arc segment

326b: The second arc segment

326c: Compression section

326d: the first turning point

326e: the second turning point

33: Bus

332: guide

332a: The first inclined section

332b: The second inclined section

332c: Reflex section

333: Undercut

4: joystick

41: Operation Department

42: Pulling part

43: cam

A: Insertion direction

B: closed area

Claims (8)

A reinforced conductive connector includes: a terminal box, a plurality of wire insertion holes are formed along a wire insertion direction, and a stop space communicating with the wire insertion holes is formed inside to remove the plurality of insulating materials Electrical wires can be inserted into the stop space along the wire insertion holes respectively; a contact assembly is installed in the stop space of the terminal box, and is configured with a plurality of terminal contacts arranged in a row adjacent to each other. The assembly includes a spring steel sheet and a bus bar forming all the terminal contacts; it is characterized in that: the spring steel sheet includes: a lower edge; an upper edge, arranged spaced apart from the lower edge; and a window, provided Between the lower edge portion and the upper edge portion, there are a plurality of windows to align the wire insertion holes one to one; an elastic portion connected to the lower edge portion has a plurality of elastic pieces to align the wire insertion holes one to one Hole; and a reinforcing portion connected between the lower edge portion and the bus bar, so that the window portion, the lower edge portion, the reinforcing portion and the bus bar four together to form a closed area; wherein, the When the electric wire is inserted into the stopping space, it will be clamped by the elastic sheet and the bus bar, and a contact position of the elastic sheet clamping the electric wire is located in the enclosed area. The reinforced conductive connector according to claim 1, wherein the reinforcing portion is provided with a supporting member at two opposite positions along a length direction of the lower edge portion, and the two opposite sides of the busbar are respectively A flange fixed with the support member is extended. The reinforced conductive connector according to claim 1, wherein the bus bar has two contact portions fixed with the upper edge portion, and a recessed portion is connected between the two contact portions, and the reinforcing portion is formed by a single support member The two ends of the battery are respectively connected to the center of the lower edge portion and the recessed portion. The reinforced conductive connector according to claim 1, wherein the window portion forms a reinforcing member extending toward the concave portion between the plurality of windows, so that the concave portion is simultaneously connected by the reinforcing portion and the reinforcing member. The reinforced conductive connector according to claim 1, wherein the bus bar is respectively extended with a guide member at the aligned positions of the plurality of wire insertion holes, and the guide member has a first inclined section extending from the bus bar , A second inclined section for guiding the electric wire and a reflexed section between the first inclined section and the second inclined section, the electric wire will be subjected to the bus bar, the reflexed section and the elastic sheet The three will be clamped together. For the reinforced conductive connector described in claim 5, the bus bar is further provided with an undercut piece on the opposite side of the guide pieces. The reinforced conductive connector according to claim 1, wherein the elastic piece has a first curved section, a second curved section, and a pressing section, and one end of the first curved section is connected to the lower edge portion, The other end has a first turning end connected to the second curved section, and the opposite side of the second curved section has a second turning end connected to the pressing section. The reinforced conductive connector according to claim 1, wherein the conductive connector further includes an operating lever, which can be movably assembled to the terminal box, has an operating portion that cooperates with the elastic piece, and a forming a lever. The flip part of the grip area, the operating part is configured with a cam and can swing and move simultaneously along at least one contact surface of the terminal box.

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