CN111725633A - Closed end conductor connector - Google Patents
Closed end conductor connector Download PDFInfo
- Publication number
- CN111725633A CN111725633A CN201910213447.XA CN201910213447A CN111725633A CN 111725633 A CN111725633 A CN 111725633A CN 201910213447 A CN201910213447 A CN 201910213447A CN 111725633 A CN111725633 A CN 111725633A
- Authority
- CN
- China
- Prior art keywords
- metal plate
- hollow pipe
- pipe body
- protrusion
- wire connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to a closed end wire connector for inserting and fixing a plurality of wires, comprising: a housing member and a fixing member. The shell piece is provided with an initial shape, an inserting space and a fixing space in sequence along the inserting direction, and when the shell piece is extruded by external force, the volume of the fixing space is changed from the initial shape to a clamping shape; the fixing piece is arranged in the fixing space to fix the plurality of leads, and is provided with a hollow pipe body formed by bending a metal plate body, the wall surface of the hollow pipe body is provided with a seam, and the seam is obliquely arranged in the insertion direction to form a spiral line segment; when the conductive parts of the wires penetrate through the hollow pipe body, all directions of the periphery of the conductive parts in the vertical insertion direction can be coated by the inner walls of different positions of the hollow pipe body, and when the hollow pipe body is extruded, the conductive parts of the plurality of wires are mutually extruded and contacted and electrically connected.
Description
Technical Field
The present invention relates to a wire connector, and more particularly, to a wire connector for connecting a plurality of wires by deforming and clamping.
Background
When the piezoelectric cap is used, wires to be connected together are placed in the metal tube, and then tools such as a clamp and the like are used for pressing the metal tube, so that the metal tube deforms and the plurality of wires in the metal tube are clamped and fixed together.
In the prior art, when a metal pipe in a piezoelectric cap is produced, one of the methods is to produce pipes with various sizes by drawing a round bar material, but such a cold working method has the possibility of cracking parts in the production process due to the requirement of using a large machining force; alternatively, a thin metal plate is bent so that opposite ends of the metal plate are connected to each other to form a metal tube for clamping a metal wire, as shown in fig. 1, so that a seam 02 (for convenience, the width of the seam is not drawn by scale) is formed on the metal tube 01, and the seam 02 extends in a direction parallel to the axis of the metal tube 01, so that when the metal tube 01 is pressed, the gap of the seam 02 may be expanded and separated from each other, and when the metal tube 01 is pressed, the wire is pressed at the same time, and therefore, when the wire is deflected by pressing, the wire is just directed to the seam 02, the wire inside the metal tube 01 may be separated from the seam 02.
Disclosure of Invention
To solve the above technical problems, the present invention aims to: a closed end wire connector is provided with a fixing member which can press and fix a plurality of wires inside when pressure is applied, wherein a spiral seam arranged obliquely to the inserting direction of the inserted wires is formed on the surface of the fixing member, so that when the pressing deformation is received, even if the gap of the seam expands due to the deformation, the direction of the seam is different from the extending direction of the wires, the wires can still be kept in the fixing member and cannot be separated.
The invention aims to: a closed end lead connector is provided with a projection for catching a fixing member on an inner wall of a housing member thereof when the fixing member is deformed, preventing the fixing member from being separated from the housing member when the fixing member is deformed.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a closed end wire connector for inserting and fixing a plurality of wires so that the plurality of wires are electrically connected with each other, comprising:
the shell piece is provided with an initial shape, the initial shape is sequentially provided with an inserting space and a fixing space along an inserting direction, and the initial shape can change the volume of the fixing space to form a clamping shape when the shell piece is extruded by external force;
the fixing piece is arranged in the fixing space to fix the plurality of leads, and is a hollow pipe body which is formed by bending a metal plate body and is provided with a joint, and the joint is obliquely arranged in the inserting direction to form a spiral line section.
An insulating part of the plurality of wires is inserted into the insertion space, and a conductive part of the plurality of wires penetrates through the fixing space and the inside of the hollow tube body, so that all directions of the periphery of the conductive part, which are vertical to the insertion direction, can be coated by the hollow tube body; when the shell piece is changed from the initial shape to the clamping shape, the hollow pipe body is extruded and deformed to enable the conductive parts to be in extrusion contact with each other and electrically connected.
The closed end lead connector is characterized in that the spiral line segment surrounds the wall surface of the whole hollow pipe body.
In the closed end lead connector, the metal plate body is provided with a central part formed by a quadrangle and two combined parts connecting two ends of the central part, the wall surface of the hollow tube body is provided with a first area and a second area, the central part forms the first area, the two combined parts form the second area together, and the spiral line segment is formed on the second area.
In the closed end lead connector, a protrusion is arranged on the edge of the metal plate body on one side of the seam, and the protrusion contacts with the inner wall of the outer shell when the hollow tube body deforms.
In the closed end lead connector, a notch is arranged on the edge of one side of the seam of the metal plate body, and the position of the notch corresponds to the position of the protrusion.
The closed end lead connector is characterized in that the metal plate body is provided with inclined side edges forming two sides of the joint and horizontal side edges forming two ends of the hollow tube body, and the protrusion is arranged at an obtuse corner of the inclined side edges.
The protrusion of the closed end lead connector has an inclined surface, and the inclined surface and the horizontal side edge jointly form a continuous surface.
In the closed end lead connector, the protrusion is provided with a sharp corner, and the angle of the sharp corner is smaller than 90 degrees, so that a V-shaped groove is formed between the protrusion and the inclined side edge.
In the closed end lead connector, the metal plate body is provided with inclined side edges forming two sides of the joint and horizontal side edges forming two ends of the hollow tube body, the edge of each inclined side edge is provided with a thin wall part, and the thickness of each thin wall part is smaller than that of the metal plate body.
Compared with the prior art, the invention adopting the technical scheme has the advantages that: the hollow pipe body which is surrounded by the inner wall to fix a plurality of leads is formed by bending a metal plate body, wherein, a seam is formed on the metal tube body, an oblique angle is formed between the extending direction of the seam and the inserting direction of the lead, the seam is obliquely arranged in the inserting direction of the lead to form a spiral line segment, and when the conductive part of the lead is arranged in the hollow tube body in a penetrating way, all directions of the periphery of the hollow tube body, which are perpendicular to the insertion direction of the lead, are coated by the inner walls of the hollow tube body at different positions, and when the hollow tube body is pressed and deformed, even if the gap of the seam expands due to deformation, all directions perpendicular to the insertion direction of the lead are still covered by the inner walls of the hollow tube body at different positions because the direction of the seam is different from the extending direction of the lead, so that the lead can still be kept in the fixer and cannot be separated.
Drawings
FIG. 1A is a schematic view of a conventional wire connector fixture;
FIG. 1B is a cross-sectional view of a securing member of the wire connector of FIG. 1A;
FIG. 2 is an exploded view of a dead end wire connector according to the present invention;
fig. 3A is an expanded view of the fixing member expanded into the metal plate in fig. 2;
FIG. 3B is a side view of the fixing member of FIG. 3A, wherein the metal plate is bent into a hollow tubular shape;
FIG. 3C is a schematic view of the hollow tube shown in FIG. 3B taken along the line A-A;
FIG. 3D is a schematic view of the hollow tube shown in FIG. 3B taken along the line B-B;
FIG. 4 is a schematic view of a deformation of the hollow tubular body of FIG. 2;
fig. 5 is an expanded view of a metal plate body according to another embodiment.
Description of reference numerals: 01-a metal tube; 02-seaming; 10-a dead end wire connector; 11-a housing member; 11 a-initial shape; 11 b-a snap-fit shape; 111-insertion space; 112-a fixed space; 12-a fixing member; 20-a wire; 21-an insulating part; 22-a conductive portion; 30-a metal plate body; 31-horizontal side; 32-oblique sides; 320-included angle; 321-a thin wall portion; 322-obtuse angle corner; 323-continuous side; 33-a central portion; 34-a combining section; 40-a hollow tube body; 41-open end; 42-a first region; 43-a second region; 50-seaming; 51-a spiral segment; 60-protrusion; a sharp corner of 61; 62-grooves; 63-inclined plane; 64-notch; 70-insertion direction.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings, the advantages and features of which will become apparent as the description proceeds.
Referring to fig. 2, the dead end conductive wire connector 10 of the present invention is provided for a plurality of conductive wires 20 to be inserted and fixed along an inserting direction 70 so that the plurality of conductive wires 20 are electrically connected to each other, and in a preferred embodiment, the dead end conductive wire connector 10 includes a housing member 11 and a fixing member 12.
As shown in fig. 2 and 4, the housing member 11 has a bell-shaped initial shape 11a, the initial shape 11a sequentially has an insertion space 111 and a fixing space 112 along an insertion direction 70, the insertion space 111 is used for accommodating an insulating portion 21 (i.e. an insulating sheath of the wires 20) of the plurality of wires 20, and the fixing space 112 is used for accommodating the fixing member 12; the housing member 11 is made of a deformable material such as plastic, so that when the housing member 11 is pressed by an external force (e.g. by a clamp), the initial shape 11a can change the shape of the fixing space 112 to form a locking shape 11b (see fig. 4 and the following description).
Referring to fig. 2 to 4, the fixing member 12 is disposed in the fixing space 112, and in this aspect, the fixing member 12 is a hollow tube 40 formed by bending a metal plate 30, and more specifically, the fixing member is a hollow tube 40 formed by bending two opposite sides of the metal plate 30 to connect with each other, and the hollow tube 40 has a seam 50 formed by two opposite sides of the metal plate 30.
Referring to the expanded view of the metal plate 30 shown in fig. 3A, in the present embodiment, the metal plate 30 is substantially a parallelogram, and has a set of horizontal sides 31 forming the two open ends 41 of the hollow tube 40, and two inclined sides 32 located between the two horizontal sides 31 and parallel to each other, and an inclined included angle 320 is formed between the inclined sides 32 and the horizontal sides 31, so that when the metal plate 30 forms the hollow tube 40, a spiral line 51 (shown in fig. 3B) centered on the axis of the hollow tube 40 is formed on the wall surface of the hollow tube 40.
Thus, when the metal plate 30 is bent, the seams 50 formed by the inclined side edges 32 are obliquely arranged in the inserting direction 70 to form the spiral line segments 51 on the wall surface of the hollow tube 40, and when the hollow tube 40 is viewed from different cross sections (as shown in fig. 3C and 3D) on the axis thereof, the openings of the seams 50 face different directions, so that when the conductive portion 22 enters the inside of the hollow tube 40 as shown in fig. 1, all directions of the periphery of the conductive portion 22 perpendicular to the inserting direction 70 are covered by the wall surface of the hollow tube 40 at different positions, and the conductive portion 22 cannot directly traverse from the direction perpendicular to all directions of the inserting direction 70 to leave the inside of the hollow tube 40.
And, because the included angle 320 is small enough, the pitch of the spiral line segment 51 formed by the inclined side 32 is smaller than the height of the hollow tube 40, so that the seam 50 can surround the entire wall surface of the hollow tube 40, and the entire structure of the hollow tube 40 forms a structure similar to a spring; therefore, in an embodiment, when the diameter of the combined conductive part 22 of the plurality of wires 20 is slightly larger than the inner diameter of the original hollow tube 40, the inner diameter of the hollow tube 40 can be expanded to a certain extent to accommodate the conductive parts 22 because the whole structure of the hollow tube 40 forms a structure similar to a spring and the housing 11 can be changed.
When the dead end conductive wire connector 10 is used, referring to fig. 2 and 4, firstly, the insulating portion 21 (i.e. the insulating sheath of the electric wire) of the plurality of conductive wires 20 is inserted into the insertion space 111, and a conductive portion 22 (e.g. the copper wire inside the conductive wire 20) of the plurality of conductive wires 20 is inserted into the fixing space 112 and the hollow tube 40, when the housing 11 is subjected to an external force and is changed from the initial shape 11a to the clamping shape 11b, the fixing member 12 is deformed by the extrusion of the housing 11, so that the conductive portions 22 of the plurality of conductive wires 20 are pressed by the wall surface of the hollow tube 40 to be fixed and electrically connected to each other.
Therefore, since the plurality of wires 20 are arranged along the inserting direction 70 and the arranging direction of the seam 50 and the inserting direction 70 are obliquely arranged, even if the width of the seam 50 is expanded during deformation, the plurality of wires 20 cannot pass through the seam 50 and remain electrically connected with the fixing member 12.
As for other design parts, in the preferred embodiment, in order to prevent the fixing member 12 from being separated from the fixing space 112 when deformed, please refer to fig. 3A to 4, a protrusion 60 (for convenience, the protrusion 60 is enlarged in scale and is separated by a dotted line in the drawing) is disposed on the metal plate 30 at a corner position of one side edge of the seam 50, and the protrusion 60 is used to contact the inner wall of the housing member 11 when the fixing member 12 is deformed by pressure, so as to prevent the fixing member 12 from being separated from the fixing space 112 after being deformed.
In order to make the protrusion 60 protrude from the surface of the hollow tube 40 during deformation, please refer to fig. 3C, a thin wall portion 321 is disposed at an edge of the inclined side 32 of the metal plate 30, and a thickness of the thin wall portion 321 is smaller than a thickness of the metal plate 30 (specifically, when the thickness of the metal plate 30 is 0.5mm, the thickness of the thin wall portion 321 is 0.49mm), so that the protrusion 60 connected to the inclined side 32 is bent to a different degree from the wall surface of the hollow tube 40 due to the difference in thickness when the hollow tube 40 is deformed.
With respect to the detailed aspect of the protrusion 60, please refer to fig. 3a, in the embodiment, the protrusion 60 is disposed at an obtuse corner 322 of the inclined side 32, and the protrusion 60 has an inclined surface 63, and the inclined surface 63 and the horizontal side 31 together form a continuous surface 323; in addition, a notch 64 (for convenience, the notch 64 is enlarged in scale in the drawings and its position is indicated by a dotted line) is provided on the edge of the other side of the seam 50, and the position of the notch 64 corresponds to the position of the protrusion 60, so that the protrusion 60 enters the notch 64 to maintain continuity of the wall curvature of the hollow tube 40 before the fixing member 12 is not pressed.
The present invention is not particularly limited to the detailed shapes of the metal plate 30 and the protrusion 60, and therefore, referring to fig. 5, in another embodiment of the dead-end wire connector 10, the metal plate 30 may be formed with a central portion 33 formed by a quadrangle and two combined portions 34 connecting two ends of the central portion 33, by such shape design, the wall surface of the hollow tube 40 formed in this embodiment is formed with a first area 42 and a second area 42, the central portion 33 is used to form the first area 42, the combined portions 34 together form the second area 43, and the spiral line segment 51 is formed in the second area 43.
In addition, regarding the shape change of the protrusion 60, in the embodiment of fig. 5, the protrusion 60 may be formed with a sharp corner 61, the angle of the sharp corner 61 is smaller than 90 degrees, so that a V-shaped groove 62 is formed between the protrusion 60 and the inclined side 32, and a convex corner corresponding to the shape of the groove 62 is formed at the boundary between the notch 64 and the inclined side 32; of course, the number or the arrangement position of the protrusions 60 is not limited in the present invention, and in other embodiments, the protrusions 60 may be arranged at the center of the inclined side 32, or the protrusions 60 may be arranged at both ends of the inclined side 32.
As can be seen from the above description, the present invention is characterized in that the hollow tube 40 (the fixing member 12) having the inner wall surrounded by the metal plate 30 for fixing the plurality of wires 20 is formed by bending the metal plate 30, and the wall of the metal tube is formed with a seam 50, and the seam 50 is obliquely arranged in the insertion direction 70 of the wires 20 to form a spiral line segment 51, so that when the hollow tube 40 is compressed and deformed, the extending direction of the seam 50 forms an oblique angle with the insertion direction 70 of the wires 20, even if the gap of the seam 50 is expanded due to deformation, the extending direction of the seam 50 is different from the extending direction of the wires 20, so that the wires 20 can be still held in the fixing member 12 without being separated.
The foregoing description and examples are exemplary only, and are not intended to limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A closed end wire connector for inserting and fixing a plurality of wires so that the plurality of wires are electrically connected with each other, comprising:
the shell piece is provided with an initial shape, the initial shape is sequentially provided with an inserting space and a fixing space along an inserting direction, and the initial shape can change the volume of the fixing space to form a clamping shape when the shell piece is extruded by external force;
the fixing piece is arranged in the fixing space to fix the plurality of leads, and is a hollow pipe body which is formed by bending a metal plate body and is provided with a seam, and the seam is obliquely arranged in the inserting direction to form a spiral line section;
an insulating part of the plurality of wires is inserted into the insertion space, and a conductive part of the plurality of wires penetrates through the fixing space and the inside of the hollow pipe body, so that the periphery of the conductive part is coated by the hollow pipe body in all directions vertical to the insertion direction; when the shell piece is changed from the initial shape to the clamping shape, the hollow pipe body is extruded and deformed to enable the conductive parts to be in extrusion contact with each other and electrically connected.
2. The dead end wire connector of claim 1, wherein: the spiral line section surrounds the wall surface of the whole hollow pipe body.
3. The dead end wire connector of claim 1, wherein: the metal plate body is provided with a central part formed by a quadrangle and two combined parts connected with two ends of the central part, the wall surface of the hollow pipe body is provided with a first area and a second area, the central part forms the first area, the two combined parts form the second area together, and the spiral line segment is formed on the second area.
4. The dead end wire connector of claim 1, wherein: the edge of the metal plate body on one side of the seam is provided with a protrusion, and the protrusion contacts with the inner wall of the shell piece when the hollow pipe body deforms.
5. The dead end wire connector of claim 4, wherein: the edge of the metal plate body on one side of the joint is provided with a notch, and the position of the notch corresponds to the position of the protrusion.
6. The dead end wire connector of claim 4, wherein: the metal plate body is formed with inclined side edges which form two sides of the joint and horizontal side edges which form two ends of the hollow tube body, and the protrusion is arranged at an obtuse angle corner of the inclined side edges.
7. The dead end wire connector of claim 6, wherein: the protrusion is provided with an inclined surface, and the inclined surface and the horizontal side edge form a continuous surface together.
8. The dead end wire connector of claim 6, wherein: the protrusion is formed with a sharp corner, the angle of the sharp corner is less than 90 degrees, so that a V-shaped groove is formed between the protrusion and the inclined side edge.
9. The dead end wire connector of claim 1, wherein: the metal plate body is provided with inclined side edges which form two sides of the joint and horizontal side edges which form two ends of the hollow tube body, the edge of each inclined side edge is provided with a thin wall part, and the thickness of each thin wall part is smaller than that of the metal plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213447.XA CN111725633A (en) | 2019-03-20 | 2019-03-20 | Closed end conductor connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213447.XA CN111725633A (en) | 2019-03-20 | 2019-03-20 | Closed end conductor connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111725633A true CN111725633A (en) | 2020-09-29 |
Family
ID=72563149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213447.XA Pending CN111725633A (en) | 2019-03-20 | 2019-03-20 | Closed end conductor connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111725633A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421748Y (en) * | 2000-05-17 | 2001-02-28 | 金笔企业股份有限公司 | Wire disconnecting-preventing connector |
| CN101999192A (en) * | 2008-03-11 | 2011-03-30 | Fci公司 | Electrical terminal system |
| CN207517898U (en) * | 2017-11-06 | 2018-06-19 | 金笔企业股份有限公司 | Conductor jointer |
| CN108242611A (en) * | 2016-12-23 | 2018-07-03 | 泰连德国有限公司 | Electrical shielding contact, preferably mini-coax shield contact |
-
2019
- 2019-03-20 CN CN201910213447.XA patent/CN111725633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421748Y (en) * | 2000-05-17 | 2001-02-28 | 金笔企业股份有限公司 | Wire disconnecting-preventing connector |
| CN101999192A (en) * | 2008-03-11 | 2011-03-30 | Fci公司 | Electrical terminal system |
| CN108242611A (en) * | 2016-12-23 | 2018-07-03 | 泰连德国有限公司 | Electrical shielding contact, preferably mini-coax shield contact |
| CN207517898U (en) * | 2017-11-06 | 2018-06-19 | 金笔企业股份有限公司 | Conductor jointer |
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Application publication date: 20200929 |
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| WD01 | Invention patent application deemed withdrawn after publication |