CN202058986U - Connector structure connected in series with resistor - Google Patents

Abstract

The utility model relates to a connector structure with resistors connected in series. The connector structure includes a first insulator and a second insulator which are laminated and assembled together through their respective front ends. The first connection terminal, the second connection terminal is fixed in the connection terminal setting hole of the second insulator, and a connection terminal is provided between the first connection terminal and the second connection terminal. The resistance of an electrical connection at a terminal. When in use, when the two terminals of the connector are connected to the circuit, the resistors are connected in series in the circuit. There is no need to wire series resistors between the two terminals, which facilitates wiring. At the same time, only It is only necessary to install the connector structure formed by two insulators, two terminals and resistors in the cabinet, and no other structures are required, which saves installation space and reduces the overall size of the cabinet.

Description

Connector structure with resistance in series

technical field

The utility model relates to a connector structure used for transmitting electric current or electric signal with resistance connected in series.

Background technique

For the electronic circuits used in the cabinet, when it is necessary to connect resistors between two connectors or PCB boards, it is necessary to use PCB boards for wiring, and connect resistors in series between the two connectors or PCB boards. Since the PCB board is used for wiring, it is necessary to prepare a special installation location for the wiring PCB board in the cabinet, and the two electrical connectors at both ends of the resistor or the PCB board also need to be fixed and installed separately, so that a larger installation is required in the cabinet. Due to the large space, the volume of the cabinet is relatively large, and due to the need to install many components, the installation work is cumbersome, time-consuming and laborious. In addition, the operating space in the cabinet is small, the installation work is carried out slowly, and the work efficiency is low.

Utility model content

The purpose of this utility model is to provide a connector structure with resistors in series to solve the problem of using PCB boards for wiring in the prior art and requiring a large installation space for connecting resistors between two connectors or PCB boards. The problem of the large size of the equipment cabinet.

In order to achieve the above object, the utility model adopts the following technical solution: a connector structure with resistors connected in series, the connector structure includes a first insulator and a second insulator assembled together by stacking their front ends, the first insulator The first connecting terminal is fixed in the connecting terminal setting hole of the second insulator, the second connecting terminal is fixed in the connecting terminal setting hole of the second insulator, and there is a first connecting terminal and the second connecting terminal. The resistor is electrically connected to the terminal and the other end is electrically connected to the second terminal. the

The first connecting terminal is fixed in the first insulator through the oppositely arranged front positioning step surface and rear positioning step surface on its peripheral surface, and the front positioning step surface of the first connecting terminal is connected with the connecting terminal setting hole of the first insulator. The stepped surface of the first terminal block fits, the rear positioning stepped surface of the first terminal is press-fitted with the rear end surface of a first C-shaped snap ring, and the front end surface of the first C-shaped snap ring is press-fitted with the first insulator.

The second connection terminal is fixed in the second insulator through the oppositely arranged front positioning step surface and rear positioning step surface on its peripheral surface, and the front positioning step surface of the second connection terminal is connected with the connection terminal setting hole of the second insulator. The stepped surface of the second terminal block fits, the rear positioning stepped surface of the second terminal is press-fitted with the rear end surface of a second C-shaped snap ring, and the front end surface of the second C-shaped snap ring is press-fitted with the second insulator.

The resistor is located in the connection terminal setting hole of the second insulator.

The first insulator and the second insulator are assembled together through a screw fixing structure passing through the two. The screw fixing structure includes a screw sleeve and a screw head. One end of the screw sleeve is a nail cap, and the other end has a matching There is an internal thread in the matching hole, one end of the screw head is a nut, and the outer periphery of the other end has an external thread that is locked and matched with the internal thread of the matching hole, and the nut of the screw sleeve and the rear end of the first insulator are blocked Stop fit, the cap of the screw head and the rear end of the second insulator stop fit.

A through hole for installation and fixing is provided at the edge of the first insulator.

The first insulator and the second insulator of the utility model are stacked and assembled together, and a resistor is arranged in series between the first terminal and the second terminal provided in the first insulator and the second insulator, so that the two insulators and the two The terminal and the resistor form a whole. When the two terminals of the connector are connected to the circuit, the resistor is connected in series in the circuit. There is no need to wire series resistors between the two terminals, which facilitates wiring. , at the same time, only need to install the connector structure formed by two insulators, two terminals and resistors in the cabinet when in use, no need to set up other structures, saving installation space and reducing the overall size of the cabinet .

The first insulator and the second insulator of the utility model are assembled together through the screw fixing structure passing through the two, the assembling method is simple and reliable, and the size of the connector structure will not be increased.

Since the two insulators of the utility model are assembled into a whole with the two terminals and the resistor, the whole connector structure can be fixed in the cabinet through the through hole for installation and fixing provided on the edge of the first insulator, and the installation is simple and convenient .

Description of drawings

Fig. 1 is the structural representation of the embodiment of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the bottom view of Fig. 1;

Fig. 4 is a connection diagram of the first connecting terminal, the second connecting terminal and the resistor in Fig. 1;

Fig. 5 is a partial enlarged view of A in Fig. 1 .

Detailed ways

An embodiment of a connector structure with resistors connected in series. In FIGS. The insulator 7 is in contact with the front end of the second insulator 5. The first insulator 7 is provided with a fixed stepped hole extending from the front end to the rear end. The stepped surface of the fixed stepped hole faces the rear end. To the assembly step hole at the rear end, the step surface of the assembly step hole faces the rear end, and a screw fixing structure is formed in the first insulator 7 and the second insulator 5 through the fixing step hole and the assembly step hole, and the screw fixing structure includes a screw sleeve 2 With the screw head 3, one end of the screw sleeve 2 is a nail cap, and the other end has a matching hole, and an internal thread is arranged in the matching hole. One end of the screw head 3 is a nail cap, and the outer circumference of the other end has an external thread. The screw head 3 and the screw The non-nail cap end of the sleeve 2 is screwed and locked, and the nut of the screw sleeve 2 is press-fitted with the stepped surface of the fixed stepped hole and is blocked and matched with the rear end of the first insulator 7 through the stepped surface of the fixed stepped hole. The nail cap of the screw head 3 is press-fitted with the step surface of the assembly step hole and is blocked and fitted with the rear end of the second insulator 5 through the step hole of the assembly step surface, and in this way the first insulator 7 and the second insulator are connected together. The insulators 5 are assembled together.

There is a connection terminal setting hole in the first insulator 7, the connection terminal setting hole of the first insulator 7 is a stepped hole with a small diameter in the middle and a large diameter at both ends, and the first connection terminal 8 is arranged in the connection terminal setting hole of the first insulator 7, The front positioning step surface 9 and the rear positioning step surface 10 are provided on the outer peripheral surface of the first connecting terminal 8, and the front positioning step surface 9 of the first connecting terminal 8 is connected to the step surface facing the front end of the connecting terminal setting hole of the first insulator 7 Stop fit, the first C-shaped snap ring is sleeved on the first terminal 8, the first C-shaped snap ring is a C-shaped elastic sleeve, the front end of the first C-shaped snap ring is in contact with the first insulator 7 The stepped surface facing the rear end of the connection terminal setting hole of the first insulator 7 is press-fitted with the first insulator 7 through the step surface facing the rear end of the connection terminal setting hole of the first insulator 7 . The rear end surface of the first C-shaped snap ring is press-fitted with the rear positioning step surface 10 of the first connection terminal, so that the first connection terminal 8 is fixedly arranged in the first insulator 7 .

There is a connection terminal setting hole in the second insulator 5. The connection terminal setting hole of the second insulator 5 is a stepped hole with a small diameter in the middle and a large diameter at both ends. The second connection terminal 4 is arranged in the connection terminal setting hole of the second insulator 5. The outer peripheral surface of the second connection terminal 4 is provided with a front positioning step surface 12 and a rear positioning step surface 11, the front positioning step surface 12 of the second connection terminal 4 and the connection terminal setting hole of the second insulator 4 are facing the front step surface Stop fit, the second terminal 4 is sleeved with a second C-shaped snap ring 13, the second C-shaped snap ring 13 is a C-shaped elastic sleeve, the front end of the second C-shaped snap ring 13 is in contact with the second C-shaped snap ring 13 The step surface towards the rear end of the connection terminal setting hole of the second insulator 5 stops and fits, and press fits with the second insulator 5 through the step surface towards the rear end of the connection terminal setting hole of the second insulator 5 . The rear end surface of the second C-shaped snap ring 13 is press-fitted with the rear positioning step surface 11 of the second connection terminal 4 , so that the second connection terminal 4 is fixedly arranged in the second insulator 5 .

A resistor 6 is arranged in series between the first connecting terminal 8 and the second connecting terminal 4 , one end of the resistor 6 is electrically connected to the first connecting terminal 8 , and the other end is electrically connected to the second connecting terminal 4 . The resistor 6 is located in the connection terminal setting hole of the second insulator 5 .

As an improvement of the above embodiment, the front end of the first insulator 7 is larger than the front end of the second insulator 5 , and a through hole 1 for mounting and fixing is provided at the edge of the first insulator 7 .

In the above embodiments, the first insulator and the second insulator are assembled together through a screw fixing structure, and the first insulator and the second insulator can also be arranged in respective corresponding housings, and the cooperation is realized through the assembly relationship between the two housings. Or the two insulators are held together by bolts penetrating the first insulator with the second.

The resistors in the above embodiments are set in the connection terminal setting holes of the second insulator, and may also be set in the connection terminal setting holes of the first insulator.

In the above embodiments, the first connection terminal and the second connection terminal are fixedly assembled in each corresponding insulator through a C-shaped snap ring, and may also be fixed in each corresponding insulator through a circlip or other structures.

The fixed stepped hole of the first insulator and the assembled stepped hole of the second insulator in the above embodiments can also be straight holes, and the screw head 3 and the nail cap of the screw sleeve 2 are pressed against the end faces of the first insulator and the second insulator respectively. .

The front ends of the first C-shaped snap ring and the second C-shaped snap ring in the above embodiments may also directly press against the end faces of the first insulator and the second insulator respectively.

Claims (6)

1. connector construction that is in series with resistance, it is characterized in that: this connector construction comprises that the leading section by separately laminates first insulator and second insulator that is assembled together, the binding post of first insulator is provided with and is installed with first binding post in the hole, the binding post of second insulator is provided with and is installed with second binding post in the hole, is provided with one one end between first binding post and second binding post and first binding post is electrically connected, the other end and second binding post are electrically connected resistance.

2. the connector construction that is in series with resistance according to claim 1, it is characterized in that: described first binding post is installed in first insulator by prelocalization step surface that is oppositely arranged on its side face and back positioning table terrace, the prelocalization step surface of first binding post cooperates with the step surface block that the binding post of first insulator is provided with the hole, the back positioning table terrace of first binding post cooperates with the rear end face roof pressure of one the one C shape snap ring, and the front end face of a C shape snap ring cooperates with the first insulator roof pressure.

3. the connector construction that is in series with resistance according to claim 1 and 2, it is characterized in that: described second binding post is installed in second insulator by prelocalization step surface that is oppositely arranged on its side face and back positioning table terrace, the prelocalization step surface of second binding post cooperates with the step surface block that the binding post of second insulator is provided with the hole, the back positioning table terrace of second binding post cooperates with the rear end face roof pressure of one the 2nd C shape snap ring, and the front end face of the 2nd C shape snap ring cooperates with the second insulator roof pressure.

4. the connector construction that is in series with resistance according to claim 3 is characterized in that: the binding post that described resistance is arranged in second insulator is provided with the hole.

5. the connector construction that is in series with resistance according to claim 4, it is characterized in that: described first insulator and second insulator are assembled together by the screw structure that is located in both, described screw structure comprises screw cover and head of screw, one end of described screw cover is the head of a nail, the other end has mating holes, be provided with internal thread in the mating holes, one end of head of screw is the head of a nail, the periphery of the other end has the external screw thread that cooperates with the internal thread locking of mating holes, the head of a nail of screw cover cooperates with the rearward end block of first insulator, and the head of a nail of head of screw cooperates with the rearward end block of second insulator.

6. the connector construction that is in series with resistance according to claim 5 is characterized in that: the edge of described first insulator is provided with to install and fix uses through hole.

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