CN204927710U - Resistance adjustable wire harness assembly - Google Patents

Abstract

A wire harness assembly with adjustable resistance, including a plug and a socket electrically connected to it, the plug includes a plug body, and a number of female terminals, the socket includes a socket body, and a number of sockets that can be electrically connected to the female terminals Connected male terminals, the rear part of the socket body is recessed inwardly with a receiving cavity, and a resistance wiring board is further provided. The circuit lead, and the resistance welded with the insertion piece, the two ends of the resistance can be selectively welded to connect the insertion piece that is not connected to the circuit lead, and on the other side of the resistance terminal board, connect The insertion pieces of the circuit wires are electrically connected with pins. The utility model is suitable for installing electrical components with a small volume, and is flexible in use and convenient for installation, maintenance and debugging.

Description

Adjustable Resistance Wire Harness Assemblies

technical field

The utility model belongs to wire harness accessories, in particular to a resistance-adjustable wire harness assembly for aviation wire harnesses.

Background technique

When the electrical system is installed and debugged on site, it is often necessary to install small components such as resistors. At present, two methods are mostly used, one is to strip the wires and directly solder the small components for installation, and then use insulating tape to deal with the exposed pins, and then bundle them with the wires after processing, and use cable ties to bind them. If multiple components need to be used at the same time, the local dressing will be too thick and it will be difficult to fix. This method is easy to install, and the components are easy to obtain. The disadvantage is that it is not easy to maintain later, and it is easy to cause electrical failures, and the system reliability is low.

Another way is to use components integrated with connectors. The resistors are integrated and installed in the plug-in, and can be directly plugged into the required line. This method has high reliability and is easy to maintain later. The disadvantage is that this type of device Not easy to obtain, specific, needs to be customized. The time for on-site maintenance or installation and debugging is relatively tight, it is difficult to find suitable integrated parts, and the flexibility is not high and the scope of application is limited.

In view of the above shortcomings, this utility model provides a wire harness assembly suitable for small devices such as resistors, which has a small structure, is easy to assemble and fix, has high reliability, and can be applied to electrical systems with various requirements.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a wire harness assembly with adjustable resistance, which is suitable for installing small electrical components, flexible in use, and convenient for installation, maintenance and debugging.

In order to achieve the purpose of the utility model, the utility model adopts the following technical solution: a wire harness assembly with adjustable resistance, including a plug and a socket electrically connected to it, the plug includes a plug body, and a number of female terminals, the The socket includes a socket body and a number of male terminals that can be electrically connected to the female terminals. The rear part of the socket body is recessed inwardly to provide a receiving cavity, and the male terminals are fixed in the socket body by injection molding. The tail of the male terminal is exposed to the receiving cavity; a resistance wiring board is further provided, and the resistance wiring board includes several insertion pieces buried at intervals, circuit wires for selectively connecting part of the insertion pieces, and the connection with the said insertion pieces. Insert soldering resistance, on one side of the resistance terminal board, the two ends of the resistance can be selectively welded to connect the insertion piece not connected to the circuit wire, on the other side of the resistance terminal board , the insertion piece connected to the circuit wire is electrically connected with a pin, and the pin is arranged corresponding to the tail of the male terminal, and the resistance wiring board can be inserted into the receiving cavity upside down, so that The pins are crimped correspondingly to the tails of the male terminals.

Further, the inserts are arranged in two rows at intervals.

Further, the pins are arranged at the same interval as the tails of the male terminals.

Further, the resistor wiring board is detachable from the receiving chamber.

Further, one side of the socket body is respectively provided with a first protrusion and a second protrusion, and a protective cover is pivotally connected to the lower part of the socket body, and the upper side of the protective cover is further provided with a The buckle connected with the second protrusion.

Further, the plug further includes a metal buckle that serves as an auxiliary connection after being connected to the socket.

Further, the resistor can be replaced by a capacitor or a diode.

Further, the number of inserts is 10.

Further, the number of pins is 5.

Further, the other end of the female terminal is crimped into a wiring harness.

Compared with the existing technology, the first layer of protection is formed by directly welding the two ends of the resistor to the insert and then connecting it to the socket body, and then the second layer of protection is formed after the protective cover is buckled with the second bump. It can make the resistor work in a stable and safe state, and at the same time, it is convenient to open the cover for maintenance, and it is convenient for later inspection and maintenance.

According to different requirements, the circuit wiring board can be quickly replaced and disassembled, which also improves the versatility of its use.

The utility model is not only applicable to welding and installing resistors, but also applicable to various commonly used electrical components with small volumes, such as capacitors, diodes, etc., and has a wide application range.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of the connection state of the wire harness assembly with adjustable resistance of the present invention.

Fig. 2 is a three-dimensional schematic diagram of a plug of a wire harness assembly with adjustable resistance of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the socket of the wire harness assembly with adjustable resistance of the present invention.

Fig. 4 is a schematic circuit diagram of the first embodiment of the resistance wiring board of the wire harness assembly with adjustable resistance of the present invention.

FIG. 5 is a schematic circuit diagram of the second embodiment of the resistance wiring board of the wire harness assembly with adjustable resistance of the present invention.

FIG. 6 is a schematic circuit diagram of the third embodiment of the resistance wiring board of the wire harness assembly with adjustable resistance of the present invention.

Fig. 7 is a rear sectional view taken along the direction A-A in Fig. 3 .

Detailed ways

As shown in FIG. 1 and FIG. 2 , the wire harness assembly 100 with adjustable resistance of the present invention includes a plug 10 and a socket 20 .

The plug 10 includes a plug body 11 , a number of female terminals 12 , and a metal buckle 13 that serves as an auxiliary connection after the plug 10 is connected to the socket 20 .

One end of the female terminal 12 is inserted into the male terminal 24 of the socket 20 which is connected thereto, and the other end of the female terminal 12 is crimped with the wiring harness 30 .

As shown in FIG. 3 and FIG. 7 , the socket 20 includes a protective cover 21 , a socket body 22 , a resistance wiring board 23 , and several male terminals 24 . The rear part of the socket body 22 is recessed inwardly to provide a receiving cavity 220. The plurality of male terminals 24 are fixed in the socket body 22 by injection molding. The tails of the male terminals 24 expose the receiving cavity 220 of the socket body 22. The head is accommodated in the inner space of the socket body 22 .

One side of the socket body 22 is respectively provided with a first projection 25 and a second projection 26, the lower side of the protective cover 21 is pivotally connected to the lower part of the socket body 22, and the upper side of the protective cover 21 is further provided with a The buckle 27 connected with the second protrusion 26 .

As shown in FIG. 1 , when the plug 10 is connected to the socket 20 , the metal buckle 13 is connected to the first protrusion 25 , further realizing a firm connection between the plug 10 and the socket 20 .

As shown in Figure 4, the schematic diagram of the resistance terminal board 23, in the present embodiment, the circuit wire 230 is buried and arranged on the resistance terminal board 23, and ten inserting pieces 231 are additionally provided on the resistance connecting plate 23, and the ten inserting pieces 231 are arranged as shown in FIG. The numbers "(1)" to "(10)" shown in Fig. 4 are arranged.

On the other side of the ten inserts 231, there may be five pins 232 respectively, and the inserts 231 are electrically connected to the pins 232, wherein:

The inserts 231 numbered "(1)" and "(3)" are electrically connected through the circuit wire 230, and the other end corresponds to the pin 232 numbered "A";

The insertion piece 231 numbered "(5)" corresponds to the pin 232 numbered "B" at the other end;

The inserts 231 numbered "(2)", "(4)" and "(6)" are electrically connected through the circuit wire 230, and the other end corresponds to the pin 232 numbered "C";

The inserts 231 numbered "(7)" and "(9)" are electrically connected through the circuit wire 230, and the other end corresponds to the pin 232 numbered "D";

The inserts 231 numbered "(8)" and "(10)" are electrically connected through the circuit wire 230, and correspond to the pin 232 numbered "E" at the other end.

If it is necessary to adjust the resistance value of the adjacent pins 232 numbered "A" to "E" to achieve the required load voltage, the corresponding resistance 233 can be set between the adjacent pins 232, please refer to As shown in FIGS. 5 to 6 , only one resistor 233 or multiple resistors 233 may be welded between adjacent pins 232 numbered “A” to “E” on the resistor wiring board 23 .

As shown in Figures 5 to 7, if it is necessary to also adjust the voltage load between pins 232 numbered "A", numbered "B" and numbered "C", the two resistances of a pair of resistors 233 can be respectively The end is welded to the insert piece 231 of number "(5)" and number "(6)", and the insert piece 231 of number "(3)" and number "(4)", so as to realize the adjustment number "A", The voltage value between the pins 232 of “B” and “C”, this embodiment discloses the implementation of the resistor 233 connected in series.

It is also possible to solder the two ends of the two resistors 233 to the inserts 231 of the numbers "(7)" and "(8)" and the inserts 231 of the numbers "(9)" and "(10)" respectively. In this way, the voltage value between the pins 232 numbered “D” and “E” is adjusted, and this embodiment discloses an implementation manner in which the resistors 233 are connected in parallel.

In actual use, multiple sets of resistor terminal boards 23 with soldered resistors 233 can be provided according to different requirements and arrangements. The resistor wiring board 23 can be inserted upside down into the receiving cavity 220 at the end of the socket 20, and the five pins 232 numbered "A" to "E" exposed at the other end of the resistor wiring board 23 can be connected with the exposed socket respectively. Tails of the male terminals 24 in the receiving cavity 220 at the rear of the body 22 are crimped to realize electrical connection. The purpose of adjusting the load voltage between different contact pins 232 is achieved by replacing the different resistor terminal boards 23 , which is further equivalent to adjusting the load voltage between different male terminals 24 .

The circuit wiring board 23 is housed in the rear of the socket body 22 when it is installed, which actually realizes the first level of protection for the circuit wiring board 23 . The buckle 27 of the protective cover 21 can be engaged with the second protrusion 26 to protect the resistance wiring board 23 in the receiving chamber 220 at the rear of the socket body 20, further realizing the protection of the resistance wiring board 23 and the welded parts. Double protection of resistor 233.

The other end of the male terminal 24 is docked with the female terminal 12 of the plug 10 , and the load voltage between different female terminals 12 is adjusted by adjusting the different resistance wiring board 23 .

Compared with the prior art, the first layer of protection is formed by directly welding the two ends of the resistor 233 to the insertion piece 231 and then connecting it to the socket body 20, and then the protective cover 21 is buckled with the second bump 26 to form a The second layer of protection, thus enabling the resistor 233 to work in a stable and safe state, effectively protecting the resistor 233 from being touched and pulled. At the same time, it is convenient to open the cover for maintenance, which is convenient for later inspection and maintenance. In addition, according to different requirements, the circuit wiring board 23 can be quickly replaced and disassembled, and its quick disassembly feature also makes maintenance more convenient, which is convenient for later inspection and has strong practicability.

The utility model can not only be applied to welding and installing the resistor 233, but also applicable to many common electrical components with small volume, such as capacitors, diodes, etc., and has a wide application range. In addition, a general-purpose circuit can also be designed on the resistor wiring board 23. The components are welded on the solder joints according to the circuit diagram, and the wire harness is crimped with the corresponding terminal at the wire harness end and plugged in to realize the function. Compared with traditional manufacturing , which saves the assembly and fixing time of multiple components and improves production efficiency.

What is disclosed above is only a preferred embodiment of the utility model, and of course the scope of rights of the utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the protection of the utility model scope.

Claims (10)

1. the wire harness assembly that a resistance is adjustable, comprise plug and the socket with its electric connection, described plug comprises header body, and the female terminal of some quantity, described socket comprises jack body, and some male terminals that can be electrical connected with described female terminal, it is characterized in that: cave in the inside and be provided with host cavity in the rear portion of described jack body, described male terminal is fixed in described jack body by injection moulding, and the afterbody of described male terminal is exposed to described host cavity, be provided with a resistor wiring plate further, described resistor wiring plate comprises some inserted sheets that interval is buried underground, the optionally circuit lead of inserted sheet described in coupling part, and the resistance to weld with described inserted sheet, in the side of described resistor wiring plate, the two ends of described resistance are optionally welded to connect the described inserted sheet not connecting described circuit lead, at the opposite side of described resistor wiring plate, the described inserted sheet connecting described circuit lead is electrically connected with contact pin, and the afterbody of the corresponding described male terminal of described contact pin is arranged, described resistor wiring plate can be plugged in described host cavity by back-off, make that described contact pin is corresponding with the afterbody of described male terminal to be crimped mutually.

2. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described inserted sheet is intervally arranged by two rows.

3. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described contact pin is arranged by the afterbody same intervals mode with described male terminal.

4. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described resistor wiring plate and described host cavity separable.

5. the wire harness assembly that resistance as claimed in claim 1 is adjustable; it is characterized in that: the side of described jack body is respectively equipped with the first projection and the second projection; lower par pivots in described jack body has over cap, and the upside of described over cap is provided with a buckle that can be connected with described second projection further.

6. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described plug plays the metal buckle of auxiliary connection function after being included in further and being connected with described socket.

7. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described resistance can be replaced electric capacity, or diode.

8. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described inserted sheet quantity is 10.

9. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: described contact pin quantity is 5.

10. the wire harness assembly that resistance as claimed in claim 1 is adjustable, is characterized in that: the other end crimping wire harness of described female terminal.