CN104426029A - Shielded cable connector - Google Patents

Abstract

The invention relates to a shielded cable joint, wherein a plurality of signal wires at one end of a shielded cable are provided with terminals, the terminals are arranged in a terminal seat, the front end parts of the terminals extend out of the front end of the terminal seat, the shielded cable and the terminal seat are sleeved in the joint, the terminals and the terminal seat are fixedly combined, and finally a positioning column with directivity and the terminals of the shielded cable joint are correspondingly arranged in a positioning hole and a terminal hole of a substrate, so that the joint of the shielded cable is combined with the substrate in a fixed direction, and the correctness of signal connection operation is ensured.

Description

Shielded cable connector

technical field

The present invention relates to a shielded cable joint, especially a joint at one end or two ends of the cable, and a terminal block is used as a terminal at the end of each signal line of the cable for signal transmission, and then the joint is used to set the joint. On the outside of the cable and the terminal block, the connector, the terminal block and the cable are reprocessed into one body, and the positioning column set by the connector is used to combine with the substrate in an orientation, so that the signal line and the terminal are aligned according to the set position. Signal transmission, to ensure the correct operation of the signal.

Background technique

As shown in Figure 1, it is a commonly used plug-in connector for shielded cables at present, and a female connector 10 (or a male connector, which is described below as a female connector) is provided at both ends of the cable 1. , and then a male connector 11 (or a female connector, hereinafter referred to as a male connector) is disposed on the substrate 12 . In this way, the female connector 10 and the male connector 11 disposed on the substrate 12 can be plugged and unplugged to determine whether the signal is transmitted or not.

However, the aforementioned prior art can utilize the combination of the male connector 10 and the female connector 11 with a precise structure to maintain a better signal transmission effect. However, the requirements related to the use environment and use state, such as the combination of the cable and the substrate, do not need to be plugged in, so it is necessary to simplify the connector.

For this reason, the inventor has accumulated many years of experience in manufacturing and designing related connectors or joints, especially for the current structure of various shielded cable joints, to study, and to invent this case.

Contents of the invention

The purpose of the present invention is to provide a combination method between the shielded cable and the substrate, which can reduce the manufacturing cost of the signal equipment and maintain The structural innovation of the shielded cable connector with proper signal transmission effect.

In order to achieve the above-mentioned purpose, the shielded cable connector of the present invention is provided with a fixed connector at one or both ends of the shielded cable, and the positioning column provided on the connector is orientedly combined with the substrate so that the signal wire and the terminal According to the set position, the signal transmission is carried out to ensure the correct operation of the signal.

In the shielded cable joint of the present invention, a plurality of signal wires are provided on the shielded cable, and a cable sleeve is coated on the outside of the aforementioned plurality of signal wires, and the ends of the aforementioned plurality of signal wires are respectively combined with a terminal , the aforementioned terminal is provided with a front end portion and a rear end portion, and the rear end portion of the aforementioned terminal is provided with a coupling groove, so that the ends of the aforementioned signal lines are arranged therein to form a plurality of signal lines with terminals at the ends; the terminal seat is provided with a plurality of The front terminal hole and the rear terminal hole matched with the terminal shape of the aforementioned signal line, the depth of the front terminal hole is shorter than the length of the front end of the terminal, so that the front end of the terminal has to protrude from the front side of the aforementioned terminal base, and the The rear end of the terminal is fixed in the rear terminal hole of the terminal base; the joint is provided with a hollow through hole inside, so that the aforementioned joint can be sleeved on the end of the aforementioned shielded cable and the outside of the terminal base, and processed to make the joint, terminal It is fixedly combined with the terminal base, and the front end of the aforementioned connector is set with a positioning column, so as to be orientedly combined with the substrate, so that the signal line and the terminal can carry out signal transmission according to the set position, ensuring the correct operation of the signal.

In the shielded cable joint of the present invention, the terminals of multiple signal lines of the shielded cable are directly combined with the terminal base, and then the joint, the terminal base and the shielded cable are combined into one body, and the volume of the shielded cable joint is miniaturized. , which will make the connection interface smaller and easier to install and set up.

Description of drawings

Figure 1 is a side view and a partially exploded view of the prior art.

Fig. 2 is a side view of the application example (1) of the present invention.

Fig. 3 is a side view of the application example (2) of the present invention.

Fig. 4 is a cross-sectional view of the shielded cable joint of the present invention.

Fig. 5 is a front view of the shielded cable joint of the present invention.

Fig. 6 is a partially exploded view of the combination of the shielded cable connector and the substrate of the present invention.

7 is a cross-sectional view of the combination of the shielded cable connector and the substrate of the present invention.

[Description of main component symbols]

Detailed ways

Thus, in order for the public to fully understand the implementation of the shielded cable connector of the present invention, as shown in Figures 2-4, at least include:

As shown in Figures 2-4, the shielded cable 2 of the present invention is provided with a plurality of signal wires 20, and a cable sleeve 21 is coated on the outside of the aforementioned multiple signal wires 20, so as to cover all the signal wires 20 Covered and protected therein, one end of the cable sheath 21 of the aforementioned shielded cable 2 can expose part of the length of the signal line 20, and then a fixing ring 22 is used to bundle and fix the aforementioned plurality of signal lines 20 to ensure that the aforementioned is exposed. The multiple signal lines 20 will not be chaotically branched. The ends of the aforementioned plurality of signal lines 20 are combined with a terminal 23 respectively. The aforementioned terminal 23 is convex and forms a front end 230 and a rear end 231. The rear end 231 of the aforementioned terminal 23 is provided with a coupling groove 232 to The ends of the aforementioned signal lines 20 are disposed therein, so that the aforementioned signal lines 20 and the terminals 23 can be connected to each other to form a plurality of signal lines 20 with terminals 23 at the ends for signal transmission.

As shown in Figures 2-4, the terminal block 3 of the present invention is made of plastic insulating material, and the aforementioned terminal block 3 is provided with a plurality of front terminal holes 30 and The rear terminal hole 31, the depth of the aforementioned front terminal hole 30 is shorter than the length of the front end portion 230 of the aforementioned terminal 23, so that the front end portion 230 of the terminal 23 can protrude from the front side of the aforementioned terminal base 3, and the rear end of the terminal 23 The portion 231 is fixed in the rear terminal hole 31 of the terminal base 3 to respectively position the terminals 23 of the aforementioned plurality of signal lines 20 inside the terminal base 3 .

As shown in Figures 5-6, the joint 4 of the present invention is made of metal material, and a hollow through hole 40 is provided inside the joint 4, so that the joint 4 can be sleeved on the end of the shielded cable 2 part and the outside of the terminal base 3, and the surfaces of the joint 4 and the terminal base 3 are processed in various ways, so that the surface of the joint 4 and the terminal base 3 is slightly deformed and the concave edges 41, 32 are formed. 3 is squeezed and deformed to clamp the terminals 23 in each terminal block 3, so that the joint 4, the terminal 23 and the terminal block 3 are fixedly combined. The outer surface of the aforementioned joint 4 is provided with a concave ring 42, the purpose is to allow the waterproof rubber sleeve 5 to be tightly combined with the joint, and to ensure the tight joint between the shielded cable 2 and the joint 4 to achieve a waterproof effect, and to make the aforementioned The shielded cable 2, the terminal base 3 and the connector 4 are integrated into one body. The front end of the joint 4 is provided with a plurality of positioning posts 43 , and the positioning posts 43 are arranged in different arrangements or in different shapes, so that the plurality of positioning posts 43 can be directionally combined with the substrate 6 .

As shown in Figures 4 and 6, the waterproof rubber sleeve 5 according to the present invention is made of a heat-shrinkable material, and the inner surface of the waterproof rubber sleeve 5 is coated with a glue layer 50, so that the aforementioned waterproof rubber sleeve 5 is set on a part of the aforementioned shielded cable 2 and the outer surface of the joint 4, and after proper heating, the aforementioned waterproof rubber sleeve 5 must be shrunk, and the aforementioned waterproof rubber sleeve 5 must match the shape of the aforementioned joint 4. Tightly combined, and form a joint ring 51 at the recessed ring 42 of the aforementioned joint 4, resulting in a state of mutual engagement, and because of the aforementioned heating action, the adhesive layer 50 on the inner surface of the waterproof rubber sleeve 5 can be tightened By gluing a portion of the shielded cable 2 and the outer surface of the connector 4, the waterproof rubber sleeve 5 can be used to completely cover the shielded cable 2 and the connector 4, achieving the purpose and effect of waterproofing.

As shown in Figures 6 and 7, the substrate 6 of the present invention is provided with a plurality of positioning holes 60 and terminal holes 61 that match the positioning posts 43 of the aforementioned connector 4 and the terminals 23 of the shielded cable 2, and utilize the direction The permanent positioning column 43 can make the joint 4 of the aforementioned shielded cable 2 be combined in the corresponding positioning hole 60 of the aforementioned substrate 6 in a fixed direction, and make each terminal 23 be accurately correspondingly combined in a specific terminal hole 61, so as to Accurately connect the terminal 23 of each signal line 20 with the signal source of the substrate 6 to carry out signal transmission and ensure correct operation of the signal connection.

As shown in Figures 5 and 6, when the shielded cable joint of the present invention is in use, the fixed joint structure must be arranged on one end of the shielded cable 2, and the other end is provided with a traditional connector 7 (as shown in Figure 2, 3 and 6); or the fixed connector 4 may be provided at both ends of the aforementioned shielded cable 2, depending on the requirements of use. When manufacturing this fixed connector, the multiple signal wires 20 that are not coated with the cable sheath 21 at one end of the shielded cable 2 are gathered together with the fixing ring 22, if the signal wires 20 will not be chaotically branched The fixing ring 22 may also not be provided, and then the ends of the signal lines 20 are respectively combined with the terminals 23, so that the signal lines 20 and the terminals 23 are connected to each other, and the aforementioned multiple terminals 23 are placed in the terminal base 3, so that the terminals The front end 230 of 23 protrudes from the front end of the terminal base 3, and then the shielded cable 2 and the terminal base 3 are inserted into the joint 4, and the surface of the joint 4 and the terminal base 3 is processed until slightly deformed to form a concave edge 41, 32. Utilize the pressure when the joint 4 and the terminal base 3 are squeezed and deformed to clamp the terminal 23 in each terminal base 3, so that the joint 4, the terminal 23 and the terminal base 3 are fixedly combined, and then the shielded cable 2 and the joint 4 A waterproof rubber sleeve 5 is set on the outer surface of the shielded cable 2 to increase the waterproof effect, and can fully combine the shielded cable 2, the terminal block 3 and the connector 4 into one body, and it is not easy to be pulled off; after that, the shielded cable 2 can be The directional positioning column 43 and the terminal 23 of the connector 4 are correspondingly arranged in the positioning hole 60 and the terminal hole 61 of the substrate 6, so that the connector 4 of the shielded cable 2 is combined with the aforementioned substrate 6 in a fixed direction; thus, Even if the shapes of the terminals 23 and the terminal holes 61 are not changed, or any inexperienced installer can accurately connect each signal line with the signal source of the substrate for signal transmission, to ensure correct operation of the signal connection.

To sum up, the shielded cable connector of the present invention uses a fixed connector structure, which can solve the accuracy of signal transmission, and can reduce the cost of combining the shielded cable with the substrate, and because the multiple shielded cables The terminal of the signal line is directly combined with the terminal block, and then the connector, the terminal block and the shielded cable are combined into one, so that the shielded cable joint can be miniaturized, the connection interface is made smaller, and it is easy to install and set. It is indeed progressive and novel. constitutes the case.

Claims (10)

1. a shielded cable joint, is characterized in that, at least comprises:

Shielded cable, if many signal line, and in the outside of aforementioned many signal line a coated cable cover, the end of aforementioned many signal line is respectively in conjunction with a terminal, aforementioned terminal establishes leading section and rearward end, the rearward end of aforementioned terminal establishes engagement groove, with by disposed therein for the end of aforementioned each holding wire, forms the holding wire that multiple end has terminal;

Terminal base, the front end sub-aperture matched with the terminal shape of aforementioned signal line if multiple and rear end sub-aperture, the degree of depth of aforementioned front end sub-aperture is short compared with the length of the leading section of terminal, make the leading section of terminal be stretched out in the front side of aforementioned terminal base, and the rearward end of terminal is fixed in the rear end sub-aperture of terminal base;

Joint, if the through hole of hollow form, aforementioned joint is made to be sheathed on the outside of aforementioned shielded cable end and terminal base, and processing makes joint, terminal and terminal base secure bond, reference column is established in the front end of aforementioned joint, to be combined with substrate orientation, allows holding wire and terminal according to set position, carry out Signal transmissions, guarantee that signal operates correct.

2. shielded cable joint as claimed in claim 1, is characterized in that, one end of each holding wire of aforementioned shielded cable is also sheathed fixing with a retainer ring.

3. shielded cable joint as claimed in claim 1, it is characterized in that, aforementioned terminal base is made up of plastic insulation material, and terminal hole set by aforementioned terminal base is convex.

4. shielded cable joint as claimed in claim 1, it is characterized in that, aforementioned joint is made up of metal material, and in the Surface Machining of joint and terminal base, make the areal deformation of joint and terminal base and form recessed edge, pressure when utilizing joint and terminal base to be extruded distortion carrys out the terminal in each terminal base clamping, makes joint, terminal and terminal base secure bond.

5. shielded cable joint as claimed in claim 1, is characterized in that, establish multiple reference column in joint, and aforementioned multiple reference column is set to different arrangement modes.

6. shielded cable joint as claimed in claim 1, is characterized in that, establish multiple reference column in joint, and aforementioned multiple reference column is set to different shapes.

7. shielded cable joint as claimed in claim 1, it is characterized in that, outside the part range and joint of shielded cable and the water-proof rubber sleeve of a sheathed heat-shrinkable, be able to close with mode of heating contraction bundle, shielded cable and joint can be combined closely, reach the benefit of waterproof.

8. shielded cable joint as claimed in claim 7, it is characterized in that, after water-proof rubber sleeve is combined with shielded cable, aforementioned waterproof apron must be formed in conjunction with collar in the recessed collar place set by joint, the recessed collar of aforementioned joint and engaging mutually in conjunction with collar of water-proof rubber sleeve must be utilized, shielded cable and joint can be made to combine closely, reach the benefit of waterproof.

9. shielded cable joint as claimed in claim 7, it is characterized in that, inner surface in water-proof rubber sleeve establishes cementing layer, when waterproof apron is heated, aforementioned cementing layer must be utilized to be glued at the part range of shielded cable and the outside of joint, namely waterproof apron can be combined closely by shielded cable and joint, reach the benefit of waterproof.

10. shielded cable joint as claimed in claim 1, it is characterized in that, substrate establishes location hole and terminal hole, to coordinate the terminal set by reference column set by joint and shielded cable, allow joint comply with a fixed-direction and substrate is combined with each other, and make each terminal accurately correspondence be incorporated into specific terminal hole on substrate, with accurately by the terminal of each holding wire and the corresponding linking of the signal source of substrate, to carry out Signal transmissions, guarantee that signal connects the correct of running.