Wire harness switching device

Abstract

The invention relates to the technical field of automobile accessories, and discloses a wire harness switching device which comprises a wire harness switching end female end or / and a wire harness switching end male end. The tail end of the wire harness switching end female end is electrically connected with the wire harness, and the tail end of the wire harness switching end male end is electrically connected with the wire harness; by using the wire harness conversion terminal provided by the invention, connection limitation caused by wire harness terminal matching can be avoided, and connection between equipment and the wire harness terminal is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile accessories, and in particular to a wiring harness adapter. Background Art

[0002] During the vehicle sound calibration process, the external amplifier and the original vehicle speaker system need to be connected through a dedicated wiring harness; when a non-original vehicle amplifier is needed to drive the original vehicle speakers to make sounds, it is necessary to find the wiring harness terminal of the original vehicle amplifier end, and it is very troublesome to use a customized wiring harness; similarly, when the original vehicle amplifier is needed to drive non-original vehicle speakers to make sounds, it is necessary to find the wiring harness terminal of the original vehicle speakers, and it is very troublesome to customize the wiring harness. Summary of the Invention

[0003] In order to solve the above problems, the present invention provides a wire harness adapter device. By using the wire harness adapter terminal of the present invention, the connection restrictions caused by the matching of the wire harness terminals can be avoided, and the connection between the equipment and the wire harness terminals can be facilitated.

[0004] The present invention provides a wiring harness adapter device, comprising a wiring harness adapter female end and / or a wiring harness adapter male end; the end of the wiring harness adapter female end is electrically connected to the wiring harness, and the end of the wiring harness adapter male end is electrically connected to the wiring harness.

[0005] The female end of the wiring harness adapter includes an openable and closable female terminal clamping piece and a clamping piece limiting and fixing sleeve; the front end of the clamping piece limiting and fixing sleeve is provided with an open groove, and the female terminal clamping piece can be matched and limitedly accommodated in the open groove of the clamping piece limiting and fixing sleeve, the end of the female terminal clamping piece is electrically connected to one end of the wiring harness, the wiring harness is sleeved on the middle part of the end of the clamping piece limiting and fixing sleeve, and the other end of the wiring harness is exposed outside the end of the clamping piece limiting and fixing sleeve.

[0006] The female terminal clamping piece includes two metal clamping pieces of the same shape, each metal clamping piece includes a rectangular metal block and an elastic metal connecting piece integrally arranged at the end of the rectangular metal block and tilted inwardly, a long through groove is recessed in the length direction of the inner surface of the rectangular metal block, the two long through grooves are buckled together to form a female end pin, and the two long through grooves are buckled together to form a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in, a strip-shaped limiting protrusion is convex in the width direction of the front surface of the rectangular metal block, the ends of the two elastic metal connecting pieces tilted inwardly are in contact and welded together with one end of the wiring harness; the clamping piece limiting fixing sleeve includes two clamp-like arms integrally connected at the rear end, and the outer surface of each clamp arm is The top surface is a horizontal surface, the left and right side walls of the clamp-shaped arms are vertical surfaces, the inner bottom surface of the clamp-shaped arms includes a horizontal surface at the front and an inward-retracted sloped surface at the middle and rear ends, the sloped surfaces at the rear ends of the two clamp-shaped arms are adjacent to each other and fixedly connected through the vertical end surfaces, the horizontal surfaces, sloped surfaces and vertical end surfaces of the two clamp-shaped arms together constitute an open groove of a V-shaped structure, a through hole is provided in the middle of the vertical end surface between the ends of the two adjacent sloped surfaces, the wiring harness is sleeved in the through hole, and the other end of the wiring harness is exposed outside the through hole, each clamp-shaped arm is matched with a strip limiting groove corresponding to the position of the strip limiting protrusion, the rectangular metal blocks of the two metal clamp pieces and the elastic metal connecting piece are accommodated in the open groove of the V-shaped structure, the mother The end terminal clamping piece is fixed by the clamping piece limiting sleeve through two strip limiting protrusions embedded in the corresponding strip limiting grooves, and a finger push-pull portion is protruded at the upper or lower end of the vertical end surface; the other end of the wiring harness is passed through the through hole and exposed outside the vertical end surface, and the other end of the wiring harness can be electrically connected to the end of the male end of the wiring harness adapter end, and the other end of the wiring harness can also be directly electrically connected to the power amplifier driver or speaker. The inner surfaces of the rectangular metal blocks of the two metal clamping pieces of the female terminal clamping piece fit together, so that the front ends of the inner walls of the two long through grooves slide and contact with the front end of a male pin of the male end of the wiring harness terminal, and the female terminal clamping piece is placed in the open groove of the V-shaped structure of the clamping piece limiting sleeve, and is used The force is used to pry open the open ends of the two flexible clamp-like arms outward, so that the two strip-shaped limiting protrusions are embedded in the corresponding strip-shaped limiting grooves, completing the assembly of the female end of a wiring harness adapter end. The finger push-pull part is pushed forward with the fingers to make the female end pin of the female end of the wiring harness adapter end move forward to completely plug and connect a male pin of the male end of the wiring harness terminal for electrical connection. The reverse operation can complete the backward translation of the female end pin of the female end of the wiring harness adapter end to release the electrical connection with a male pin of the male end of the wiring harness terminal. The female end of the wiring harness adapter end of the present invention can be electrically connected to several or all male pins of the male end of the wiring harness terminal as needed, and can be plugged in as needed. It has a simple structure and is quick to disassemble and assemble.

[0007] The female terminal clamping piece includes two metal clamping pieces of the same shape, each metal clamping piece includes a rectangular metal block and an elastic metal connecting piece integrally arranged at the end of the rectangular metal block and inclined inwardly, a long through groove is recessed in the length direction of the inner surface of the rectangular metal block, the two long through grooves are buckled together to form a female end pin, and the two long through grooves are buckled together to form a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in, a strip-shaped limiting protrusion is convex in the width direction of the front surface of the rectangular metal block, the ends of the two elastic metal connecting pieces inclined inwardly touch and are welded and fixed to one end of the wiring harness together; the clamping piece limiting fixing sleeve includes two clamp-like arms integrally connected at the rear end, the outer top surface of each clamp arm is a horizontal plane, and the left and right side walls of the clamp arm are vertical The inner bottom surface of the clamp arm includes a horizontal surface at the front and an inward-retracted sloped surface at the middle and rear ends. The sloped surfaces at the rear ends of the two clamp arms are adjacent to each other and fixedly connected through vertical end surfaces. The left and right ends on the same side of the horizontal surface and the sloped surface of each clamp arm extend vertically downward with limited side walls respectively. The horizontal surfaces, sloped surfaces, left and right limiting side walls and vertical end surfaces of the two clamp arms together constitute an open groove of a V-shaped structure. A through hole is provided in the middle of the vertical end surface between the ends of the two adjacent sloped surfaces. The wiring harness is sleeved in the through hole, and the other end of the wiring harness is exposed outside the through hole. Each clamp arm is concavely provided with a strip limiting groove corresponding to the position of the strip limiting protrusion. The rectangular metal blocks of the two metal clamp pieces and the elastic metal connecting piece are matched and accommodated in the opening of the V-shaped structure. The female terminal clamping piece is embedded in the corresponding strip limiting groove through two strip limiting protrusions and is limited and fixed by the clamping piece limiting fixing sleeve. The left and right side ends of the rectangular metal block of the two metal clamping pieces and the left and right side ends of the elastic metal connecting piece are limited by the left and right limiting side walls. The upper or lower end of the vertical end surface is protruding with a finger push-pull part; the other end of the wiring harness is passed through the through hole and exposed outside the vertical end surface. The other end of the wiring harness can be electrically connected to the end of the male end of the wiring harness adapter end, and the other end of the wiring harness can also be directly electrically connected to the power amplifier driver or speaker. The inner surfaces of the rectangular metal blocks of the two metal clamping pieces of the female terminal clamping piece fit together, so that the front ends of the inner walls of the two long through grooves slide and contact with the front end of a male pin of the male end of the wiring harness terminal, clamping the female terminal. The fixed piece is accommodated in the open groove of the V-shaped structure of the clamping piece limiting fixing sleeve. The two open ends of the clamp-shaped arms with a certain flexibility are forced outward to make the two strip-shaped limiting protrusions embedded in the corresponding strip-shaped limiting grooves. The left and right side ends of the rectangular metal blocks of the two metal clamps and the left and right side ends of the elastic metal connecting piece are limited by the left and right limiting side walls to complete the assembly of a wire harness adapter female end. The finger push-pull part is pushed forward with the fingers to make the female end pin of a wire harness adapter female end move forward to fully plug and electrically connect a male pin of the male end of the wire harness terminal. The wire harness adapter female end of the present invention can be plugged and electrically connected to several or all male pins of the male end of the wire harness terminal as needed. It can be plugged and connected as needed, with a simple structure and quick disassembly and assembly.

[0008] The female terminal clamping piece includes a C-shaped metal clamping piece formed by an integral bend, and the C-shaped metal clamping piece includes a C-shaped connector and two elastic metal connecting pieces integrally arranged at the end of the C-shaped connector and symmetrically inclined inwardly. A long through-slot is recessed in the length direction of the inner bottom wall of the C-shaped connector, and the long through-slot constitutes a female end pin, and the long through-slot constitutes a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in, and the open end of the long through-slot can be adapted to a male pin greater than or equal to its diameter, and a strip-shaped limiting protrusion is convexly provided with a width direction of the lower end face of the front surface of the outer surface of the C-shaped connector, and a strip-shaped limiting convex strip is convexly provided with a length direction of the upper end face of the front end of the outer surface of the C-shaped connector, and the strip-shaped limiting convex strip can cooperate with the corresponding The clamping piece limiting fixing sleeve plays a role of sliding positioning, and the ends of the two elastic metal connecting pieces arranged symmetrically and tilted inwardly are in contact and welded to one end of the wiring harness; the clamping piece limiting fixing sleeve includes two clamp-like arms connected as a whole at the rear end, and the two clamp-like arms are both long blocks, and the corresponding inner surfaces of the two clamp-like arms are provided with semicircular grooves in the middle length direction, and the semicircular groove of the upper clamp-like arm is provided with a sliding accommodating groove corresponding to the position of the strip-shaped limiting convex strip, and the semicircular groove of the lower clamp-like arm is provided with a strip-shaped limiting groove in a matching position; the inner surfaces of the two clamp-like arms are adjacent to each other, and the rear ends of the two clamp-like arms are fixedly connected by the vertical end faces, and the two clamp-like arms and the vertical end faces together constitute an opening groove of a cylindrical structure, and the vertical end A through hole is provided in the middle of the surface, the wiring harness is sleeved in the through hole, and the other end of the wiring harness is exposed outside the through hole, the C-shaped connector of the C-shaped metal clamp and the two elastic metal connecting pieces are matched and accommodated in the open groove of the cylindrical structure, the female terminal clamping piece is embedded in the corresponding strip limiting groove and the sliding accommodating groove through the lower end strip limiting protrusion and the upper end strip limiting protrusion, and is limited and fixed by the clamping piece limiting fixing sleeve, and a finger push-pull portion is protruded from the upper or lower end of the vertical end surface; the other end of the wiring harness is passed through the through hole and exposed outside the vertical end surface, the other end of the wiring harness can be electrically connected to the end of the male end of the wiring harness adapter end, and the other end of the wiring harness can also be directly electrically connected to the power amplifier driver or speaker, and the female terminal clamping piece is accommodated in the cylindrical shape of the clamping piece limiting fixing sleeve. In the open groove of the structure, the strip-shaped limiting convex strip can slide forward along the sliding accommodating groove, and the open end of the lower clamp-shaped arm with a certain flexibility is forced outward so that the strip-shaped limiting convex at the lower end is embedded in the corresponding strip-shaped limiting groove, and the front end of the C-shaped connector of the female terminal clamping piece slides and contacts the front end of a male pin of the male end of the wiring harness terminal to complete the assembly of a wiring harness adapter female end. The finger push-pull part is pushed forward with the fingers to make the female end pin of the female end of the wiring harness adapter end move forward to fully plug and electrically connect a male pin of the male end of the wiring harness terminal. The wiring harness adapter female end of the present invention can be electrically connected to several or all male pins of the male end of the wiring harness terminal as needed, and can be plugged in as needed. It has a simple structure and is quick to disassemble and assemble.

[0009] The male end of the wiring harness adapter includes a male terminal clamping plug with a trapezoidal cross-section that can be opened and closed at the front end and a cylindrical wedge rod; the cylindrical wedge rod can be sleeved and limited in the male terminal clamping plug, and one end of the wiring harness is electrically connected to the end of the male terminal clamping plug, and the cylindrical wedge rod is sleeved and limited in the male terminal clamping plug. The front end of the male terminal clamping plug is inserted into the pin of the female terminal to push the cylindrical wedge rod and drive the male terminal clamping plug forward. Since the front end diameter of the male terminal clamping plug is small and the rear end diameter is large, when the male terminal clamping plug is pushed forward by the cylindrical wedge rod, it is gradually inserted into the pin of the female terminal until the outer side wall of the male terminal clamping plug is limitedly contacted with the pin mouth of the female terminal, completing the plug-in electrical connection between the male end of the wiring harness adapter and a pin of the female terminal; reverse operation, pulling the cylindrical wedge rod and the wiring harness at the same time can pull the male end of the wiring harness adapter end out of a pin of the female terminal, releasing the plug-in connection state.

[0010] The male terminal clamping plug includes a cone formed by two contacting halves and a connecting ring fixedly connected to the rear end of the cone formed by the contacting halves; a wiring harness is welded and fixed on the rear end face of the connecting ring, and an equal-diameter axial hole is provided in the length direction of the cone formed by the contacting halves; the cylindrical wedge rod is a horizontal L-shaped cylindrical structure as a whole, the long arm end of the cylindrical wedge rod can be sleeved in the equal-diameter axial hole and the front end of the long arm end of the cylindrical wedge rod can be exposed outside the front end of the male terminal clamping plug, the short arm end of the cylindrical wedge rod can be limited and contacted at the outer end face of the connecting ring, the long arm end of the cylindrical wedge rod is sleeved in the equal-diameter axial hole of the male terminal clamping plug and the front end is exposed outside the male terminal clamping plug, the short arm end of the cylindrical wedge rod is limited and contacted Connect to the outer end face of the connecting ring, insert the front end of the male terminal clamping plug into the pin of the female terminal, push the short arm end of the cylindrical wedge rod and drive the male terminal clamping plug forward. Since the front end diameter of the male terminal clamping plug is small and the rear end diameter is large, when the male terminal clamping plug is pushed forward by the cylindrical wedge rod, it is gradually inserted into the pin of the female terminal until the outer wall of the male terminal clamping plug at a certain place contacts with the pin mouth of the female terminal, completing the plug-in electrical connection between the male end of the wiring harness adapter and a pin of the female terminal; reverse the operation and pull the short arm end of the cylindrical wedge rod and the wiring harness at the same time to pull the male end of the wiring harness adapter out of a pin of the female terminal, thereby releasing the plug-in connection state.

[0011] The male terminal clamping plug includes a cone formed by the contact of two halves and a connecting ring fixedly connected to the rear end of the cone formed by the contact of the two halves, the cone formed by the contact of the two halves and the connecting ring form a duckbill structure with an openable and closeable front end; a wiring harness is welded and fixed to the rear end face of the connecting ring, and a variable diameter shaft hole of equal wall thickness is provided in the length direction of the cone formed by the contact of the two halves. The inner diameter of the variable diameter shaft hole of equal wall thickness is small at the front end and large at the rear end, and the inner ring diameter of the connecting ring is the same as the inner diameter of the rear end of the variable diameter shaft hole of equal wall thickness; the cylindrical wedge rod is a horizontal L-shaped cylindrical structure as a whole, the diameter of the long arm end of the cylindrical wedge rod is smaller than the inner ring diameter of the connecting ring and larger than the inner diameter of the front end of the variable diameter shaft hole of equal wall thickness, and the front end of the long arm end of the cylindrical wedge rod can slide in contact with the inner side wall of the cone formed by the contact of the two halves, and the male terminal clamping plug is inserted into the pin of the female terminal until it The rod is then pushed forward so that the cylindrical wedge rod gradually opens the equal-walled-thickness equal-diameter-axis-hole of the cone formed by the two halves in sliding contact with it, and the two halves open to the upper and lower sides respectively until the outer wall is in close contact with the inner wall of the pin of the female terminal, completing the plug-in electrical connection between the male terminal clamping plug and the pin of the female terminal; reverse the operation and pull the short arm end of the cylindrical wedge rod to make the long arm end of the cylindrical wedge rod completely disengage from the equal-walled-thickness equal-diameter-axis-hole, and then pull the wiring harness to pull the metal cone closed by the two halves out of the pin of the female terminal, so that the male end of the wiring harness adapter can be pulled out from one pin of the female terminal to release the plug-in connection state.

[0012] The male terminal clamping plug is made of conductive metal material.

[0013] The female end of the wiring harness adapter end and the male end of the wiring harness adapter end are electrically connected through a wiring harness. The electrical connection can be formed by overlapping the wiring harness welded to the female end of the wiring harness adapter end and the wiring harness welded to the male end of the wiring harness adapter end, or the two ends of a wiring harness can be respectively welded to the female end of the wiring harness adapter end and the male end of the wiring harness adapter end to form an electrical connection.

[0014] Beneficial effects

[0015] By using the wiring harness adapter terminal of the present invention, the present invention can avoid the connection restrictions caused by the matching of the wiring harness terminals, and facilitate the connection between the device and the wiring harness terminals. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall decomposition structure of an embodiment of the present invention.

[0017] Figure 2 It is a schematic diagram of the front view structure of the female end of the wiring harness adapter terminal according to an embodiment of the present invention.

[0018] Figure 3 It is a front view schematic diagram of the overall structure of an embodiment of the present invention.

[0019] Figure 4 It is a rear view schematic diagram of the overall structure of an embodiment of the present invention.

[0020] Figure 5 It is a schematic diagram of the overall decomposition structure of another embodiment of the present invention.

[0021] Figure 6 It is a front view schematic diagram of the overall structure of another embodiment of the present invention.

[0022] Figure 7 It is a schematic diagram of the overall decomposition structure of the third embodiment of the present invention.

[0023] Figure 8 It is a schematic diagram of the cross-sectional structure of the female end of the wiring harness adapter terminal according to the third embodiment of the present invention.

[0024] Figure 9 It is a schematic cross-sectional structure diagram of a clamping piece limiting and fixing sleeve according to the third embodiment of the present invention.

[0025] Figure 10 It is a schematic diagram of the overall decomposition structure of an embodiment of the present invention.

[0026] Figure 11 It is a schematic diagram of the front structure of a male terminal clamping plug according to an embodiment of the present invention.

[0027] Figure 12 It is a schematic diagram of the overall decomposition structure of another embodiment of the present invention.

[0028] In the picture:

[0029] 1. Wire harness adapter female terminal; 11. Female terminal clamping piece; 111. Rectangular metal block; 1111. Long through-slot; 1112. Strip-shaped limiting protrusion; 1113. Strip-shaped limiting ridge; 112. Elastic metal connecting piece; 113. C-shaped connector; 12. Clamping piece limiting fixing sleeve; 121. Clamping arm; 1211. Horizontal surface; 1212. Sloped surface; 1213. Strip-shaped limiting groove; 1214. Limiting side wall; 1215. Semicircular groove; 1216. Sliding accommodating groove; 122. Vertical end surface; 1221. Finger push-pull portion; 123. Via hole;

[0030] 2. Male terminal for wiring harness adapter; 21. Male terminal clamping plug; 211. Cone formed by the contact of two halves; 2111. Equal-diameter shaft hole; 2112. Reduced-diameter shaft hole of equal wall thickness; 212. Connecting ring; 22. Cylindrical wedge rod;

[0031] 3. Wiring harness. DETAILED DESCRIPTION

[0032] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved more clearly, the technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the drawings only show portions relevant to the present invention, not all of them.

[0033] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0034] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed or detachable connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention.

[0035] Example 1

[0036] See also Figure 1-Figure 4 、 Figure 10-11 As shown, a wiring harness adapter device includes a wiring harness adapter female end 1; the end of the wiring harness adapter female end 1 is electrically connected to the wiring harness 3.

[0037] The female end 1 of the wiring harness adapter includes an openable and closable female terminal clamping piece 11 and a clamping piece limiting and fixing sleeve 12; the front end of the clamping piece limiting and fixing sleeve 12 is provided with an open groove, and the female terminal clamping piece 11 can be matched and limited and accommodated in the open groove of the clamping piece limiting and fixing sleeve 12, the end of the female terminal clamping piece 11 is electrically connected to one end of the wiring harness 3, the wiring harness 3 is sleeved on the middle part of the end of the clamping piece limiting and fixing sleeve 12, and the other end of the wiring harness 3 is exposed outside the end of the clamping piece limiting and fixing sleeve 12.

[0038] The female terminal clamping piece 11 includes two metal clamping pieces of the same shape, each of which includes a rectangular metal block 111 and an elastic metal connecting piece 112 integrally provided at the end of the rectangular metal block 111 and tilted inward. A long through groove 1111 is recessed in the length direction of the inner surface of the rectangular metal block 111. The two long through grooves 1111 are buckled together to form a female end pin. The two long through grooves 1111 are buckled together to form a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in. A strip-shaped limiting protrusion 1112 is protruded from the front width direction of the rectangular metal block 111, and the ends of the two elastic metal connecting pieces 112 tilted inward touch and are welded together with one end of the wiring harness 3; the clamping piece limiting fixing sleeve 12 includes two clamp-like arms 121 connected as a whole at the rear end, the outer top surface of each clamp-like arm 121 is a horizontal surface, the left and right side walls of the clamp-like arm 121 are vertical surfaces, and the inner bottom surface of the clamp-like arm 121 includes a horizontal surface 1211 at the front and a slope inward at the middle and rear. The inclined surfaces 1212 at the rear ends of the two clamp-like arms 121 are adjacent to each other and are fixedly connected through the vertical end surface 122. The horizontal surfaces 1211, the inclined surfaces 1212 and the vertical end surface 122 of the two clamp-like arms 121 together form an opening groove of a V-shaped structure. A through hole 123 is provided in the middle of the vertical end surface 122 between the ends of the two adjacent inclined surfaces 1212. The wiring harness 3 is sleeved in the through hole 123, and the other end of the wiring harness 3 is exposed outside the through hole 123. Each clamp The shaped arm 121 is provided with a strip limiting groove 1213 corresponding to the position of the strip limiting protrusion 1112. The rectangular metal block 111 and the elastic metal connecting piece 112 of the two metal clamping pieces are accommodated in the open groove of the V-shaped structure. The female terminal clamping piece 11 is fixed by the clamping piece limiting fixing sleeve 12 through the two strip limiting protrusions 1112 embedded in the corresponding strip limiting groove 1213. A finger push-pull portion 1221 is protruded from the upper or lower end of the vertical end surface 122.The other end of the wire harness 3 is passed through the through hole 123 and exposed outside the vertical end surface 122. The other end of the wire harness 3 can be electrically connected to the end of the male end 2 of the wire harness adapter end. The other end of the wire harness 3 can also be directly electrically connected to the power amplifier driver or speaker. The inner surfaces of the rectangular metal block 111 of the two metal clamping pieces of the female terminal clamping piece 11 are fitted together, so that the front ends of the inner walls of the two long through grooves 1111 slide and contact the front ends of a male pin of the male end of the wire harness terminal. The female terminal clamping piece 11 is placed in the open groove of the V-shaped structure of the clamping piece limiting fixing sleeve 12, and the open ends of the two clamp-shaped arms 121 with a certain degree of flexibility are forced outward to make the two strips The shaped limiting protrusion 1112 is embedded in the corresponding strip-shaped limiting groove 1213 to complete the assembly of the wiring harness adapter female end 1. The finger push-pull portion 1221 is pushed forward with a finger, causing the female end pin of the wiring harness adapter female end 1 to move forward and fully engage the male pin of the wiring harness terminal male end for electrical connection. The reverse operation can complete the female end pin of the wiring harness adapter female end 1 to move backward to release the electrical connection with the male pin of the wiring harness terminal male end. The wiring harness adapter female end 1 of the present invention can be used to electrically connect several or all of the male pins of the wiring harness terminal male end as needed. It can be plugged in and out as needed, with a simple structure and quick assembly and disassembly.

[0039] A wire harness adapter device further includes a wire harness adapter male end 2; the end of the wire harness adapter male end 2 is electrically connected to a wire harness 3.

[0040] The male end 2 of the wiring harness adapter includes a male terminal clamping plug 21 with a trapezoidal cross-section that can be opened and closed at the front end and a cylindrical wedge rod 22; the cylindrical wedge rod 22 can be sleeved and limited in the male terminal clamping plug 21, and one end of the wiring harness 3 is electrically connected to the end of the male terminal clamping plug 21, and the cylindrical wedge rod 22 is sleeved and limited in the male terminal clamping plug 21. The front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. The front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large. When the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer wall of the male terminal clamping plug 21 is limitedly contacted with the pin opening of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; reverse the operation and pull the cylindrical wedge rod 22 and the wiring harness 3 at the same time to pull the male terminal 2 of the wiring harness adapter out of a pin of the female terminal, thereby releasing the plug-in connection state.

[0041] The male terminal clamping plug 21 includes a cone 211 formed by the contact of two halves and a connecting ring 212 fixedly connected to the rear end of the cone 211 formed by the contact of the two halves; the rear end surface of the connecting ring 212 is welded and fixed with a wiring harness 3, and the cone 211 formed by the contact of the two halves is provided with an equal-diameter axial hole 2111 in the length direction, and the cylindrical wedge rod 22 is a horizontal L-shaped cylindrical structure as a whole. The long arm end of the cylindrical wedge rod 22 can be sleeved in the equal-diameter axial hole 2111 and the front end of the long arm end of the cylindrical wedge rod 22 can be exposed outside the front end of the male terminal clamping plug 21, and the short arm end of the cylindrical wedge rod 22 can be limitedly contacted at the outer end surface of the connecting ring 212, and the long arm end of the cylindrical wedge rod 22 is sleeved in the equal-diameter axial hole 2111 of the male terminal clamping plug 21 and the front end is exposed 1, the short arm end of the cylindrical wedge rod 22 is limitedly contacted with the outer end surface of the connecting ring 212, and the front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the short arm end of the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. Since the front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large, when the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer side wall of the male terminal clamping plug 21 is limitedly contacted with the pin mouth of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; in the reverse operation, the short arm end of the cylindrical wedge rod 22 and the wiring harness 3 are pulled out of the male terminal 2 of the wiring harness adapter from a pin of the female terminal to release the plug-in connection state.

[0042] The male terminal clamping plug 21 is made of conductive metal material.

[0043] The female end 1 of the wiring harness adapter end and the male end 2 of the wiring harness adapter end are electrically connected through the wiring harness 3, which can be a wiring harness welded to the female end 1 of the wiring harness adapter end and a wiring harness welded to the male end 2 of the wiring harness adapter end to form an electrical connection.

[0044] Example 2

[0045] See also Figure 5-Figure 6 、 Figure 10-11As shown, a wiring harness adapter device is different from Example 1 in that the female terminal clamping piece 11 includes two metal clamping pieces of the same shape, each metal clamping piece includes a rectangular metal block 111 and an elastic metal connecting piece 112 integrally provided at the end of the rectangular metal block 111 and tilted inward, and a long through groove 1111 is recessed in the length direction of the inner surface of the rectangular metal block 111. The two long through grooves 1111 are buckled together to form a female end pin, and the two long through grooves 1111 are buckled together to form a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in. The outer surface of the rectangular metal block 111 is A strip-shaped limiting protrusion 1112 is convexly provided in the width direction of the front face, and the ends of the two elastic metal connecting pieces 112 tilted inwardly touch and are welded and fixed to one end of the wiring harness 3; the clamping piece limiting fixing sleeve 12 includes two clamp-like arms 121 connected as a whole at the rear end, the outer top surface of each clamp-like arm 121 is a horizontal surface, the left and right side walls of the clamp-like arm 121 are vertical surfaces, and the inner bottom surface of the clamp-like arm 121 includes a horizontal surface 1211 at the front and an inward-retracted slope surface 1212 at the middle and rear ends. The slope surfaces 1212 at the rear ends of the two clamp-like arms 121 are adjacent to each other and are fixedly connected through the vertical end surface 122. Each clamp The left and right ends of the same side of the horizontal surface 1211 and the slope surface 1212 of the shaped arm 121 respectively extend vertically downward to limit side walls 1214. The horizontal surface 1211, the slope surface 1212, the limit side walls 1214 on both sides and the vertical end surface 122 of the two clamp-shaped arms 121 together form an open groove of a V-shaped structure. A through hole 123 is provided in the middle of the vertical end surface 122 between the ends of the two adjacent slope surfaces 1212. The wiring harness 3 is sleeved in the through hole 123, and the other end of the wiring harness 3 is exposed outside the through hole 123. Each clamp-shaped arm 121 corresponds to the strip-shaped limit protrusion 1112 A strip-shaped limiting groove 1213 is provided in the position matching, and the rectangular metal block 111 and the elastic metal connecting piece 112 of the two metal clamping pieces are matched and accommodated in the open groove of the V-shaped structure. The female terminal clamping piece 11 is fixed by the clamping piece limiting fixing sleeve 12 through two strip-shaped limiting protrusions 1112 embedded in the corresponding strip-shaped limiting groove 1213. The left and right side ends of the rectangular metal block 111 of the two metal clamping pieces and the left and right side ends of the elastic metal connecting piece 112 are limited by the left and right limiting side walls 1214. A finger push-pull portion 1221 is protruded from the upper or lower end of the vertical end surface 122;The other end of the harness 3 is passed through the through hole 123 and exposed outside the vertical end surface 122. The other end of the harness 3 can be electrically connected to the end of the male end 2 of the harness adapter end. The other end of the harness 3 can also be directly electrically connected to the power amplifier driver or speaker. The inner surfaces of the rectangular metal block 111 of the two metal clamps of the female terminal clamping piece 11 are fitted together, so that the front ends of the inner walls of the two long through grooves 1111 slide and contact the front ends of a male pin of the male end of the harness terminal. The female terminal clamping piece 11 is placed in the open groove of the V-shaped structure of the clamping piece limit fixing sleeve 12, and the open ends of the two clamp-shaped arms 121 with a certain degree of flexibility are forced outward to make the two strips The limiting protrusions 1112 are embedded in the corresponding strip-shaped limiting grooves 1213. The left and right side ends of the rectangular metal block 111 of the two metal clamps and the left and right side ends of the elastic metal connecting piece 112 are restrained by the left and right limiting side walls 1214. The assembly of the female end of the wiring harness adapter terminal 1 is completed. The finger push-pull portion 1221 is pushed forward with a finger, causing the female end pin of the wiring harness adapter terminal 1 to move forward and fully engage and electrically connect a male pin of the male end of the wiring harness terminal. The female end of the wiring harness adapter terminal 1 of the present invention can be electrically connected to several or all male pins of the male end of the wiring harness terminal as needed. It can be plugged in and out as needed, with a simple structure and quick assembly and disassembly.

[0046] A wire harness adapter device further includes a wire harness adapter male end 2; the end of the wire harness adapter male end 2 is electrically connected to a wire harness 3.

[0047] The male end 2 of the wiring harness adapter includes a male terminal clamping plug 21 with a trapezoidal cross-section that can be opened and closed at the front end and a cylindrical wedge rod 22; the cylindrical wedge rod 22 can be sleeved and limited in the male terminal clamping plug 21, and one end of the wiring harness 3 is electrically connected to the end of the male terminal clamping plug 21, and the cylindrical wedge rod 22 is sleeved and limited in the male terminal clamping plug 21. The front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. The front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large. When the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer wall of the male terminal clamping plug 21 is limitedly contacted with the pin opening of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; reverse the operation and pull the cylindrical wedge rod 22 and the wiring harness 3 at the same time to pull the male terminal 2 of the wiring harness adapter out of a pin of the female terminal, thereby releasing the plug-in connection state.

[0048] The male terminal clamping plug 21 includes a cone 211 formed by the contact of two halves and a connecting ring 212 fixedly connected to the rear end of the cone 211 formed by the contact of the two halves; the rear end surface of the connecting ring 212 is welded and fixed with a wiring harness 3, and the cone 211 formed by the contact of the two halves is provided with an equal-diameter axial hole 2111 in the length direction, and the cylindrical wedge rod 22 is a horizontal L-shaped cylindrical structure as a whole. The long arm end of the cylindrical wedge rod 22 can be sleeved in the equal-diameter axial hole 2111 and the front end of the long arm end of the cylindrical wedge rod 22 can be exposed outside the front end of the male terminal clamping plug 21, and the short arm end of the cylindrical wedge rod 22 can be limitedly contacted at the outer end surface of the connecting ring 212, and the long arm end of the cylindrical wedge rod 22 is sleeved in the equal-diameter axial hole 2111 of the male terminal clamping plug 21 and the front end is exposed 1, the short arm end of the cylindrical wedge rod 22 is limitedly contacted with the outer end surface of the connecting ring 212, and the front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the short arm end of the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. Since the front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large, when the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer side wall of the male terminal clamping plug 21 is limitedly contacted with the pin mouth of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; in the reverse operation, the short arm end of the cylindrical wedge rod 22 and the wiring harness 3 are pulled out of the male terminal 2 of the wiring harness adapter from a pin of the female terminal to release the plug-in connection state.

[0049] The male terminal clamping plug 21 is made of conductive metal material.

[0050] The female end 1 of the wiring harness adapter end and the male end 2 of the wiring harness adapter end are electrically connected through the wiring harness 3, which can be a wiring harness welded to the female end 1 of the wiring harness adapter end and a wiring harness welded to the male end 2 of the wiring harness adapter end to form an electrical connection.

[0051] Example 3

[0052] See also Figure 7-Figure 9 、 Figure 12 As shown, a wiring harness adapter device is different from Example 1 in that the female end 1 of the wiring harness adapter includes an openable and closable female terminal clamping piece 11 and a clamping piece limiting and fixing sleeve 12; the front end of the clamping piece limiting and fixing sleeve 12 is provided with an open groove, and the female terminal clamping piece 11 can be matched and limited to be accommodated in the open groove of the clamping piece limiting and fixing sleeve 12, the end of the female terminal clamping piece 11 is electrically connected to one end of the wiring harness 3, the wiring harness 3 is sleeved on the middle part of the end of the clamping piece limiting and fixing sleeve 12, and the other end of the wiring harness 3 is exposed outside the end of the clamping piece limiting and fixing sleeve 12.

[0053] The female terminal clamping piece 11 includes a C-shaped metal clamping piece formed by an integral bend, and the C-shaped metal clamping piece includes a C-shaped connector 113 and two elastic metal connecting pieces 112 integrally provided at the end of the C-shaped connector 113 and symmetrically arranged inwardly. A long through-slot 1111 is recessed in the length direction of the inner bottom wall of the C-shaped connector 113. The long through-slot 1111 constitutes a female end pin, and the long through-slot 1111 constitutes a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in, and the open end of the long through-slot 1111 can adapt to a male pin with a diameter greater than or equal to its diameter. A strip-shaped limiting protrusion 1112 is convexly provided on the width direction of the lower end surface of the front surface of the C-shaped connector 113, and a strip-shaped limiting protrusion 1113 is convexly provided on the length direction of the upper end surface of the front end of the outer surface of the C-shaped connector 113. The strip-shaped limiting protrusion 1113 can cooperate with the corresponding clamping piece limiting fixing sleeve 12 to play a sliding positioning role, and the ends of the two elastic metal connecting pieces 112 symmetrically arranged inwardly are in contact and welded to one end of the wiring harness 3; the clamping piece limiting fixing sleeve 12 includes two clamp-like arms 121 integrally connected at the rear end, and the two clamp-like arms 121 are both long blocks. The inner surface of the arm 121 is provided with a semicircular groove 1215 in the middle of the length direction. The semicircular groove 1215 of the upper clamp arm 121 is provided with a sliding accommodating groove 1216 corresponding to the position of the strip-shaped limiting convex strip 1113. The semicircular groove 1215 of the lower clamp arm 121 is provided with a strip-shaped limiting groove 1213 corresponding to the position of the strip-shaped limiting convex strip 1112. The inner surfaces of the two clamp arms 121 are adjacent to each other, and the rear ends of the two clamp arms 121 are fixedly connected by the vertical end face 122. The two clamp arms 121 and the vertical end face 122 together constitute an opening groove of a cylindrical structure. The vertical end face A through hole 123 is provided in the middle of 122, and the wiring harness 3 is sleeved in the through hole 123, and the other end of the wiring harness 3 is exposed outside the through hole 123. The C-shaped connector 113 of the C-shaped metal clamp and the two elastic metal connecting pieces 112 are matched and accommodated in the open groove of the cylindrical structure. The female terminal clamping piece 11 is fixed by the clamping piece limiting fixing sleeve 12 through the lower end strip limiting protrusion 1112 and the upper end strip limiting protrusion 1113 embedded in the corresponding strip limiting groove 1213 and the sliding receiving groove 1216. A finger push-pull portion 1221 is protruded from the upper or lower end of the vertical end surface 122;The other end of the harness 3 is passed through the through hole 123 and exposed outside the vertical end surface 122. The other end of the harness 3 can be electrically connected to the end of the male end 2 of the harness adapter. The other end of the harness 3 can also be directly electrically connected to the power amplifier driver or speaker. The female terminal clamping piece 11 is placed in the open groove of the cylindrical structure of the clamping piece limiting fixing sleeve 12. The strip limiting convex strip 1113 can slide forward along the sliding accommodating groove 1216. The open end of the lower clamp-shaped arm 121 with a certain flexibility is forced outward so that the strip limiting convex strip 1112 at the lower end is embedded in the corresponding strip. Within the retaining groove 1213, the front end of the C-shaped connector 113 of the female terminal clamping piece 11 slides into contact with the front end of a male pin on the male end of the wiring harness terminal, completing the assembly of the wiring harness adapter female end 1. Pressing the finger push-pull portion 1221 forward with a finger causes the female end pin of the wiring harness adapter female end 1 to translate forward, fully engaging and electrically connecting the male pin on the male end of the wiring harness terminal. The wiring harness adapter female end 1 of the present invention can electrically connect several or all of the male pins on the male end of the wiring harness terminal as needed, offering a simple structure and quick assembly and disassembly.

[0054] A wire harness adapter device further includes a wire harness adapter male end 2; the end of the wire harness adapter male end 2 is electrically connected to a wire harness 3.

[0055] The male end 2 of the wiring harness adapter includes a male terminal clamping plug 21 with a trapezoidal cross-section that can be opened and closed at the front end and a cylindrical wedge rod 22; the cylindrical wedge rod 22 can be sleeved and limited in the male terminal clamping plug 21, and one end of the wiring harness 3 is electrically connected to the end of the male terminal clamping plug 21, and the cylindrical wedge rod 22 is sleeved and limited in the male terminal clamping plug 21. The front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. The front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large. When the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer wall of the male terminal clamping plug 21 is limitedly contacted with the pin opening of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; reverse the operation and pull the cylindrical wedge rod 22 and the wiring harness 3 at the same time to pull the male terminal 2 of the wiring harness adapter out of a pin of the female terminal, thereby releasing the plug-in connection state.

[0056] The male terminal clamp plug 21 includes a truncated cone 211 formed by two halves in contact and a connecting ring 212 fixedly connected to the rear end of the truncated cone 211 formed by the two halves in contact. The truncated cone 211 formed by the two halves in contact and the connecting ring 212 form a duckbill structure with an openable and closable front end. The rear end surface of the connecting ring 212 is welded and fixed with the wiring harness 3. The truncated cone 211 formed by the two halves in contact is provided with a variable diameter shaft hole 2112 of equal wall thickness in the length direction. The variable diameter shaft hole 211 of equal wall thickness is provided with a variable diameter shaft hole 2112 of equal wall thickness. The inner diameter of the front end of the cylindrical wedge rod 22 is small and the inner diameter of the rear end is large. The inner ring diameter of the connecting ring 212 is the same as the inner diameter of the rear end of the variable diameter shaft hole 2112 of the same wall thickness. The cylindrical wedge rod 22 is a horizontal L-shaped cylindrical structure. The diameter of the long arm end of the cylindrical wedge rod 22 is smaller than the inner ring diameter of the connecting ring 212 and larger than the inner diameter of the front end of the variable diameter shaft hole 2112 of the same wall thickness. The front end of the long arm end of the cylindrical wedge rod 22 can slide in contact with the inner side wall of the truncated cone 211 formed by the contact between the two halves, clamping the male terminal to the plug 21. Insert the pin of the female terminal until it can no longer move forward. At this time, the long arm end of the cylindrical wedge rod 22, whose diameter matches the inner diameter of the pin of the female terminal, is sleeved on the rear end of the variable diameter shaft hole 2112 of the same wall thickness of the male terminal clamp plug 21, and the cylindrical wedge rod 22 is pushed forward so that the cylindrical wedge rod 22 gradually opens the variable diameter shaft hole 2112 of the same wall thickness of the truncated cone 211 formed by the two halves in sliding contact with it, and the two halves are opened to the upper and lower sides respectively until the outer wall It is in close contact with the inner wall of the pin of the female terminal to complete the plug-in electrical connection between the male terminal clamping plug 21 and the pin of the female terminal; in reverse operation, pull the short arm end of the cylindrical wedge rod 22 to make the long arm end of the cylindrical wedge rod 22 completely disengage from the variable diameter shaft hole 2112 of equal wall thickness, and then pull the wiring harness 3 to pull the metal cone with two closed halves out of the pin of the female terminal, and the male end 2 of the wiring harness adapter end can be pulled out from one pin of the female terminal to release the plug-in connection state.

[0057] The male terminal clamping plug 21 is made of conductive metal material.

[0058] The female end 1 of the wiring harness adapter end and the male end 2 of the wiring harness adapter end are electrically connected through the wiring harness 3, which can be a wiring harness welded to the female end 1 of the wiring harness adapter end and a wiring harness welded to the male end 2 of the wiring harness adapter end to form an electrical connection.

[0059] Example 4

[0060] See also Figure 1-Figure 4 、 Figure 12 As shown, a wiring harness adapter device includes a wiring harness adapter female end 1 and a wiring harness adapter male end 2; the two ends of a wiring harness 3 are respectively welded to the wiring harness adapter female end 1 and the wiring harness adapter male end 2 to form an electrical connection relationship (not shown in the figure).

[0061] The female end 1 of the wiring harness adapter includes an openable and closable female terminal clamping piece 11 and a clamping piece limiting and fixing sleeve 12; the front end of the clamping piece limiting and fixing sleeve 12 is provided with an open groove, and the female terminal clamping piece 11 can be matched and limited and accommodated in the open groove of the clamping piece limiting and fixing sleeve 12, the end of the female terminal clamping piece 11 is electrically connected to one end of the wiring harness 3, the wiring harness 3 is sleeved on the middle part of the end of the clamping piece limiting and fixing sleeve 12, and the other end of the wiring harness 3 is exposed outside the end of the clamping piece limiting and fixing sleeve 12.

[0062] The female terminal clamping piece 11 includes two metal clamping pieces of the same shape, each of which includes a rectangular metal block 111 and an elastic metal connecting piece 112 integrally provided at the end of the rectangular metal block 111 and tilted inward. A long through groove 1111 is recessed in the length direction of the inner surface of the rectangular metal block 111. The two long through grooves 1111 are buckled together to form a female end pin. The two long through grooves 1111 are buckled together to form a female end pin for a male pin of the male end of the wiring harness terminal to be plugged in. A strip-shaped limiting protrusion 1112 is protruded from the front width direction of the rectangular metal block 111, and the ends of the two elastic metal connecting pieces 112 tilted inward touch and are welded together with one end of the wiring harness 3; the clamping piece limiting fixing sleeve 12 includes two clamp-like arms 121 connected as a whole at the rear end, the outer top surface of each clamp-like arm 121 is a horizontal surface, the left and right side walls of the clamp-like arm 121 are vertical surfaces, and the inner bottom surface of the clamp-like arm 121 includes a horizontal surface 1211 at the front and a slope inward at the middle and rear. The inclined surfaces 1212 at the rear ends of the two clamp-like arms 121 are adjacent to each other and are fixedly connected through the vertical end surface 122. The horizontal surfaces 1211, the inclined surfaces 1212 and the vertical end surface 122 of the two clamp-like arms 121 together form an opening groove of a V-shaped structure. A through hole 123 is provided in the middle of the vertical end surface 122 between the ends of the two adjacent inclined surfaces 1212. The wiring harness 3 is sleeved in the through hole 123, and the other end of the wiring harness 3 is exposed outside the through hole 123. Each clamp The shaped arm 121 is provided with a strip limiting groove 1213 corresponding to the position of the strip limiting protrusion 1112. The rectangular metal block 111 and the elastic metal connecting piece 112 of the two metal clamping pieces are accommodated in the open groove of the V-shaped structure. The female terminal clamping piece 11 is fixed by the clamping piece limiting fixing sleeve 12 through the two strip limiting protrusions 1112 embedded in the corresponding strip limiting groove 1213. A finger push-pull portion 1221 is protruded from the upper or lower end of the vertical end surface 122.The other end of the wire harness 3 is passed through the through hole 123 and exposed outside the vertical end surface 122. The other end of the wire harness 3 can be electrically connected to the end of the male end 2 of the wire harness adapter end. The other end of the wire harness 3 can also be directly electrically connected to the power amplifier driver or speaker. The inner surfaces of the rectangular metal block 111 of the two metal clamping pieces of the female terminal clamping piece 11 are fitted together, so that the front ends of the inner walls of the two long through grooves 1111 slide and contact the front ends of a male pin of the male end of the wire harness terminal. The female terminal clamping piece 11 is placed in the open groove of the V-shaped structure of the clamping piece limiting fixing sleeve 12, and the open ends of the two clamp-shaped arms 121 with a certain degree of flexibility are forced outward to make the two strips The shaped limiting protrusion 1112 is embedded in the corresponding strip-shaped limiting groove 1213 to complete the assembly of the wiring harness adapter female end 1. The finger push-pull portion 1221 is pushed forward with a finger, causing the female end pin of the wiring harness adapter female end 1 to move forward and fully engage the male pin of the wiring harness terminal male end for electrical connection. The reverse operation can complete the female end pin of the wiring harness adapter female end 1 to move backward to release the electrical connection with the male pin of the wiring harness terminal male end. The wiring harness adapter female end 1 of the present invention can be used to electrically connect several or all of the male pins of the wiring harness terminal male end as needed. It can be plugged in and out as needed, with a simple structure and quick assembly and disassembly.

[0063] The male end 2 of the wiring harness adapter includes a male terminal clamping plug 21 with a trapezoidal cross-section that can be opened and closed at the front end and a cylindrical wedge rod 22; the cylindrical wedge rod 22 can be sleeved and limited in the male terminal clamping plug 21, and one end of the wiring harness 3 is electrically connected to the end of the male terminal clamping plug 21, and the cylindrical wedge rod 22 is sleeved and limited in the male terminal clamping plug 21. The front end of the male terminal clamping plug 21 is inserted into the pin of the female terminal to push the cylindrical wedge rod 22 and drive the male terminal clamping plug 21 to move forward. The front end diameter of the male terminal clamping plug 21 is small and the rear end diameter is large. When the male terminal clamping plug 21 is pushed forward by the cylindrical wedge rod 22, it is gradually inserted into the pin of the female terminal until the outer wall of the male terminal clamping plug 21 is limitedly contacted with the pin opening of the female terminal, completing the plug-in electrical connection between the male terminal 2 of the wiring harness adapter and a pin of the female terminal; reverse the operation and pull the cylindrical wedge rod 22 and the wiring harness 3 at the same time to pull the male terminal 2 of the wiring harness adapter out of a pin of the female terminal, thereby releasing the plug-in connection state.

[0064] The male terminal clamp plug 21 includes a truncated cone 211 formed by two halves in contact and a connecting ring 212 fixedly connected to the rear end of the truncated cone 211 formed by the two halves in contact. The truncated cone 211 formed by the two halves in contact and the connecting ring 212 form a duckbill structure with an openable and closable front end. The rear end surface of the connecting ring 212 is welded and fixed with the wiring harness 3. The truncated cone 211 formed by the two halves in contact is provided with a variable diameter shaft hole 2112 of equal wall thickness in the length direction. The variable diameter shaft hole 211 of equal wall thickness is provided with a variable diameter shaft hole 2112 of equal wall thickness. The inner diameter of the front end of the cylindrical wedge rod 22 is small and the inner diameter of the rear end is large. The inner ring diameter of the connecting ring 212 is the same as the inner diameter of the rear end of the variable diameter shaft hole 2112 of the same wall thickness. The cylindrical wedge rod 22 is a horizontal L-shaped cylindrical structure. The diameter of the long arm end of the cylindrical wedge rod 22 is smaller than the inner ring diameter of the connecting ring 212 and larger than the inner diameter of the front end of the variable diameter shaft hole 2112 of the same wall thickness. The front end of the long arm end of the cylindrical wedge rod 22 can slide in contact with the inner side wall of the truncated cone 211 formed by the contact between the two halves, clamping the male terminal to the plug 21. Insert the pin of the female terminal until it can no longer move forward. At this time, the long arm end of the cylindrical wedge rod 22, whose diameter matches the inner diameter of the pin of the female terminal, is sleeved on the rear end of the variable diameter shaft hole 2112 of the same wall thickness of the male terminal clamp plug 21, and the cylindrical wedge rod 22 is pushed forward so that the cylindrical wedge rod 22 gradually opens the variable diameter shaft hole 2112 of the same wall thickness of the truncated cone 211 formed by the two halves in sliding contact with it, and the two halves are opened to the upper and lower sides respectively until the outer wall It is in close contact with the inner wall of the pin of the female terminal to complete the plug-in electrical connection between the male terminal clamping plug 21 and the pin of the female terminal; in reverse operation, pull the short arm end of the cylindrical wedge rod 22 to make the long arm end of the cylindrical wedge rod 22 completely disengage from the variable diameter shaft hole 2112 of equal wall thickness, and then pull the wiring harness 3 to pull the metal cone with two closed halves out of the pin of the female terminal, and the male end 2 of the wiring harness adapter end can be pulled out from one pin of the female terminal to release the plug-in connection state.

[0065] The male terminal clamping plug 21 is made of conductive metal material.

[0066] Although the present invention has been particularly shown and described in conjunction with preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims, and all such changes are within the scope of protection of the present invention.

Claims

1. A wiring harness adapter, characterized in that: It comprises a wiring harness transfer end female end (1) and / or a wiring harness transfer end male end (2); The end of the female end (1) of the wiring harness adapter is electrically connected to the wiring harness (3), and the end of the male end (2) of the wiring harness adapter is electrically connected to the wiring harness (3).

2. A wiring harness adapter according to claim 1, characterized in that: The female end (1) of the wiring harness adapter end comprises an openable and closable female end terminal clamping piece (11) and a clamping piece limiting fixing sleeve (12); an opening groove is provided at the front end of the clamping piece limiting fixing sleeve (12); the female end terminal clamping piece (11) can be matched and limitedly accommodated in the opening groove of the clamping piece limiting fixing sleeve (12); the end of the female end terminal clamping piece (11) is electrically connected to one end of the wiring harness (3); the wiring harness (3) is sleeved on the middle part of the end of the clamping piece limiting fixing sleeve (12), and the other end of the wiring harness (3) is exposed outside the end of the clamping piece limiting fixing sleeve (12).

3. The wiring harness adapter according to claim 2, characterized in that: The female terminal clamping piece (11) comprises two metal clamping pieces of the same shape, each metal clamping piece comprises a rectangular metal block (111) and an elastic metal connecting piece (112) integrally provided at the end of the rectangular metal block (111) and tilted inwards, a long through groove (1111) is recessed in the length direction of the inner surface of the rectangular metal block (111), and the two long through grooves (1111) are buckled together to form a female end pin, and a strip-shaped limiting protrusion (1112) is convexly provided on the front width direction of the outer surface of the rectangular metal block (111) The ends of the two inwardly inclined elastic metal connecting pieces (112) are in contact and welded to one end of the wiring harness (3); the clamping piece limiting fixing sleeve (12) includes two clamp-shaped arms (121) connected integrally at the rear end, the outer top surface of each clamp-shaped arm (121) is a horizontal surface, the left and right side walls of the clamp-shaped arm (121) are vertical surfaces, the inner bottom surface of the clamp-shaped arm (121) includes a horizontal surface (1211) at the front and an inward-retracted slope surface (1212) at the middle and rear parts, and the slope surfaces (1212) at the rear ends of the two clamp-shaped arms (121) are vertical surfaces. 12) are adjacent to each other and fixedly connected through the vertical end surface (122), the horizontal surface (1211), the slope surface (1212) and the vertical end surface (122) of the two clamp-shaped arms (121) together form an open groove of a V-shaped structure, and a through hole (123) is provided in the middle of the vertical end surface (122) between the ends of the two adjacent slope surfaces (1212), and the wire harness (3) is sleeved in the through hole (123), and the other end of the wire harness (3) is exposed outside the through hole (123), and each clamp-shaped arm (121) corresponds to A strip-shaped limiting groove (1213) is concavely provided at the position of the strip-shaped limiting protrusion (1112); the rectangular metal blocks (111) and the elastic metal connecting piece (112) of the two metal clamping pieces are accommodated in the opening groove of the V-shaped structure; the female terminal clamping piece (11) is embedded in the corresponding strip-shaped limiting groove (1213) through the two strip-shaped limiting protrusions (1112) and is limited and fixed by the clamping piece limiting fixing sleeve (12); and a finger push-pull portion (1221) is protruded from the upper end or the lower end of the vertical end surface (122).

4. The wiring harness adapter according to claim 2, characterized in that: The female terminal clamping piece (11) comprises two metal clamping pieces of the same shape, each metal clamping piece comprises a rectangular metal block (111) and an elastic metal connecting piece (112) integrally provided at the end of the rectangular metal block (111) and tilted inwards, a long through groove (1111) is recessed in the length direction of the inner surface of the rectangular metal block (111), and the two long through grooves (1111) are buckled together to form a female end pin, a strip-shaped limiting protrusion (1112) is convex in the width direction of the front surface of the outer surface of the rectangular metal block (111), and the ends of the two elastic metal connecting pieces (112) tilted inwards are in contact with and jointly with the wiring harness (3) One end is welded and fixed; the clamping piece limiting fixing sleeve (12) includes two clamp-shaped arms (121) connected integrally at the rear end, the outer top surface of each clamp-shaped arm (121) is a horizontal surface, the left and right side walls of the clamp-shaped arm (121) are vertical surfaces, the inner bottom surface of the clamp-shaped arm (121) includes a horizontal surface (1211) at the front and an inward-retracted slope surface (1212) at the middle and rear parts, the slope surfaces (1212) at the rear ends of the two clamp-shaped arms (121) are adjacent to each other and fixedly connected through the vertical end surface (122), and the left and right ends of the same side of the horizontal surface (1211) and the slope surface (1212) of each clamp-shaped arm (121) are respectively vertically downward. The limiting side wall (1214) is extended, and the horizontal surface (1211), the slope surface (1212), the limiting side walls (1214) on the left and right sides and the vertical end surface (122) of the two clamp-shaped arms (121) together form an open groove of a V-shaped structure. A through hole (123) is provided in the middle of the vertical end surface (122) between the ends of the two adjacent slope surfaces (1212). The wire harness (3) is sleeved in the through hole (123), and the other end of the wire harness (3) is exposed outside the through hole (123). Each clamp-shaped arm (121) is concavely provided with a strip limiting groove (1112) corresponding to the position of the strip limiting protrusion (1112). 1213), the rectangular metal blocks (111) of the two metal clamp pieces and the elastic metal connecting piece (112) are matched and accommodated in the opening groove of the V-shaped structure, the female terminal clamping piece (11) is embedded in the corresponding strip limiting groove (1213) through two strip limiting protrusions (1112) and is limited and fixed by the clamping piece limiting fixing sleeve (12), the left and right side ends of the rectangular metal blocks (111) of the two metal clamp pieces and the left and right side ends of the elastic metal connecting piece (112) are limited by the left and right limiting side walls (1214), and a finger push-pull portion (1221) is protruded from the upper end or the lower end of the vertical end surface (122).

5. The wiring harness adapter according to claim 2, characterized in that: The female terminal clamping piece (11) comprises a C-shaped metal clamping piece formed by bending the C-shaped metal clamping piece, the C-shaped metal clamping piece comprises a C-shaped connector (113) and two elastic metal connecting pieces (112) integrally arranged at the end of the C-shaped connector (113) and symmetrically arranged inwardly. A long through groove (1111) is recessed in the length direction of the inner bottom wall of the C-shaped connector (113), and the long through groove (1111) constitutes a female end pin. A strip-shaped limiting protrusion (1112) is convex in the width direction of the lower end surface of the front surface of the outer surface of the C-shaped connector (113). The C-shaped connector ( 113) is provided with a strip-shaped limiting convex strip (1113) on the length direction of the upper end face of the front end of the outer surface, and the ends of the two elastic metal connecting pieces (112) arranged in an inwardly inclined and symmetrical manner are in contact and welded together with one end of the wiring harness (3); the clamping piece limiting fixing sleeve (12) includes two clamp-shaped arms (121) connected integrally at the rear end, and the two clamp-shaped arms (121) are both long block-shaped bodies. Semicircular grooves (1215) are provided in the length direction of the middle part of the inner surface corresponding to the two clamp-shaped arms (121), and the semicircular grooves (1215) of the upper clamp-shaped arm (121) correspond to the strip-shaped limiting convex strip (1113). The position of the clamp-shaped arm (121) is provided with a sliding accommodating groove (1216), and the semicircular groove (1215) of the lower clamp-shaped arm (121) corresponds to the position of the strip-shaped limiting protrusion (1112) and is matched with the strip-shaped limiting groove (1213); the inner surfaces of the two clamp-shaped arms (121) are adjacent to each other, and the rear ends of the two clamp-shaped arms (121) are fixedly connected through the vertical end surface (122), and the two clamp-shaped arms (121) and the vertical end surface (122) together constitute an open groove of a cylindrical structure, and a through hole (123) is provided in the middle of the vertical end surface (122), and the wiring harness (3) is sleeved on the through hole (123) ), and the other end of the wiring harness (3) is exposed outside the through hole (123), the C-shaped connector (113) of the C-shaped metal clamp piece and the two elastic metal connecting pieces (112) are matched and accommodated in the open groove of the cylindrical structure, the female terminal clamp piece (11) is embedded in the corresponding strip-shaped limiting groove (1213) and the sliding accommodating groove (1216) through the lower end strip-shaped limiting protrusion (1112) and the upper end strip-shaped limiting protrusion (1113) and is limited and fixed by the clamp piece limiting fixing sleeve (12), and the upper end or lower end of the vertical end surface (122) is protruded with a finger push-pull portion (1221).

6. The wiring harness adapter according to claim 1, characterized in that: The wiring harness adapter male end (2) comprises a male terminal clamping plug (21) with a trapezoidal cross section and a front end that can be opened and closed, and a cylindrical wedge rod (22); the cylindrical wedge rod (22) can be sleeved and limited in the male terminal clamping plug (21), and one end of the wiring harness (3) is electrically connected to the end of the male terminal clamping plug (21).

7. The wiring harness adapter according to claim 6, characterized in that: The male terminal clamping plug (21) comprises a truncated cone (211) formed by two halves in contact with each other and a connecting ring (212) fixedly connected to the rear end of the truncated cone (211) formed by the two halves in contact with each other; a wiring harness (3) is welded and fixed to the rear end face of the connecting ring (212); an equal-diameter axial hole (2111) is provided in the length direction of the truncated cone (211) formed by the two halves in contact with each other; the cylindrical wedge rod (22) is in the form of a horizontal L-shaped cylindrical structure as a whole; the long arm end of the cylindrical wedge rod (22) can be sleeved in the equal-diameter axial hole (2111) and the front end of the long arm end of the cylindrical wedge rod (22) can be exposed outside the front end of the male terminal clamping plug (21); and the short arm end of the cylindrical wedge rod (22) can be limitedly contacted at the outer end face of the connecting ring (212).

8. The wiring harness adapter according to claim 6, characterized in that: The male terminal clamping plug (21) comprises a truncated cone (211) formed by two halves in contact with each other and a connecting ring (212) fixedly connected to the rear end of the truncated cone (211) formed by the two halves in contact with each other, the truncated cone (211) formed by the two halves in contact with each other and the connecting ring (212) forming a duckbill structure with an openable and closable front end; a wiring harness (3) is welded and fixed to the rear end face of the connecting ring (212), and a variable diameter shaft hole (2112) of equal wall thickness is provided in the longitudinal direction of the truncated cone (211) formed by the two halves in contact with each other. The front end inner diameter of the variable diameter shaft hole (2112) is small and the rear end inner diameter is large, and the inner ring diameter of the connecting ring (212) is the same as the rear end inner diameter of the variable diameter shaft hole (2112) with the same wall thickness; the cylindrical wedge rod (22) is a horizontal L-shaped cylindrical structure as a whole, and the diameter of the long arm end of the cylindrical wedge rod (22) is smaller than the inner ring diameter of the connecting ring (212) and larger than the front end inner diameter of the variable diameter shaft hole (2112) with the same wall thickness, and the front end of the long arm end of the cylindrical wedge rod (22) can be slidably contacted with the inner side wall of the truncated cone (211) formed by the contact of the two halves.

9. The wiring harness adapter according to claim 6, characterized in that: The male terminal clamping plug (21) is made of a conductive metal material.

10. The wiring harness adapter according to claim 1, characterized in that: The wiring harness transfer end female end (1) and the wiring harness transfer end male end (2) are electrically connected via a wiring harness (3).

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