CN218242410U - PLC and host computer communication connection structure - Google Patents

Abstract

The utility model relates to a PLC and host computer communication connection structure, binding post on including gateway module, gateway module and the connecting wire that is used for the communication, the tip of connecting wire is provided with sinle silk welded lantern ring, and the outside sliding sleeve of the lantern ring has the sleeve pipe, the one end integrated into one piece of lantern ring has the screw thread section, and threaded connection between screw thread section and the sleeve pipe, the screw thread section is 1-10mm to the control range of each sleeve pipe tip interval, fixed connection between connecting wire and the gateway module is realized to the inside of sleeve pipe grafting to binding post, and this scheme, through the tip welding lantern ring at the connecting wire, and the one end of the lantern ring sets up the screw thread section, utilizes the screw thread section to realize sheathed tube threaded connection, and the laminating between shell fragment and the lantern ring is passed through to the sheathed tube inner wall to this switch-on between realization and the connecting wire, the sleeve pipe utilizes the screw thread end to adjust axial distance for the connecting wire that lies in both sides in the three connecting wire that is listed together receives the pulling power less, promotes the convenience when connecting wire is installed.

Description

PLC and host computer communication connection structure

Technical Field

The application relates to the technical field of PLC communication, in particular to a PLC and upper computer communication connection structure.

Background

PLC, programmable logic controller, an electronic system of digital arithmetic operation; the PLC networking mode mainly comprises RS232, RS485, PPI/MPI, PROFIBUS DP/PA/FMS field bus, ethernet bus, DEVICEnet bus, wireless network and the like; the communication protocol of the PLC generally takes the following three forms: signal line connection, free port communication and ModBus communication; in the ModBus communication protocol, an ethernet-to-CAN gateway module and the like are generally required to be used, and the communication is realized by connecting cables.

Gateway module's binding post passes through communication connection between connecting wire and the exterior structure, when the connecting wire is installed, at first upwards the rotation of screw in the terminal, the preforming displacement that is accompanied the terminal inside, the below at the preforming can be placed to the connecting wire this moment, rotate the screw downwards afterwards, the preforming is downward displacement again, the realization is to the pressing of connecting wire, because there are a plurality of sinle silks in the connecting wire, consequently when installing, at first need be together its twisting, buckle into circular-arc structure with it afterwards, guarantee the stability of connecting, there is certain inconvenience when the operation, directly plug in the binding post with stranded sinle silk, can lead to when the preforming pushes down, the sinle silk disperses to the outside, and then probably lead to contact failure. Consequently, for having certain inconvenient problem when solving the installation of current gateway module connecting wire, the technical staff in the field provides a PLC and host computer communication connection structure.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that proposes in the above-mentioned background art, this application provides a PLC and host computer communication connection structure.

The utility model provides a pair of PLC and host computer communication connection structure, including gateway module, the last binding post of gateway module and the connecting wire that is used for the communication, the tip of connecting wire is provided with sinle silk welded lantern ring, and the outside sliding sleeve of the lantern ring has the sleeve pipe, the one end integrated into one piece of the lantern ring has the screw thread section, and threaded connection between screw thread section and the sleeve pipe, the screw thread section is 1-10mm to the control range of each sleeve pipe tip interval, the sleeve pipe is pegged graft to binding post's inside, realizes fixed connection between connecting wire and the gateway module.

Preferably, threaded grooves are formed in the two ends of the inner wall of the sleeve, the sleeve is in threaded connection with the threaded section through the threaded grooves, protrusions are arranged on the inner wall of the sleeve, and the protrusions and the outer wall of the sleeve ring are in interference fit.

Preferably, the one end outside cover that the connecting wire is close to the lantern ring is equipped with the joint cover, the both sides of joint cover have set gradually cross-under groove and resettlement groove by the inboard outside, cross-under groove and sleeve pipe clearance fit for the sleeve pipe can pass from the cross-under groove, the resettlement groove is the arc structure with connecting wire clearance fit.

Preferably, the same side all be provided with two beads between cross connection groove and the resettlement groove, and two beads are mutually supported, realize the joint of connecting wire in the resettlement groove.

Preferably, the outside cover of connecting wire is equipped with the splint structure, the splint structure is two segmentation structures and includes lower plate and punch holder, lower plate and punch holder are congruent, the symmetry sets up, the both sides of splint structure are provided with the joint groove, and joint groove and connecting wire joint setting.

To sum up, this application includes following beneficial technological effect:

the lantern ring is welded at the end part of the connecting wire, the threaded section is arranged at one end of the lantern ring, threaded connection of the sleeve is achieved through the threaded section, the inner wall of the sleeve is attached to the lantern ring through the elastic sheet, connection between the connecting wire and the inner wall of the sleeve is achieved, the sleeve adjusts the axial distance through the threaded end, the connecting wires located on two sides in the three connecting wires which are arranged in parallel are enabled to be small in pulling force, stability of the connecting wires during installation is improved, compared with the method that the connecting wires are directly spliced and fastened through the wire cores, and the safety and convenience of butt joint between the sleeve and the wiring terminals are better; through set up the joint cover in the outside of connecting wire, the joint cover carries out convenient settling to the connecting wire of separated time, makes the three can be in parallel pegged graft in binding post, guarantees the stability of installation, utilizes the splint structure to arrange in order the connecting wire, promotes the aesthetic property of connecting wire.

Drawings

FIG. 1 is an isometric view of a PLC and host computer communication link according to an embodiment of the present application;

FIG. 2 is an isometric view of a connecting line of a communication connection structure between a PLC and a host computer according to an embodiment of the present application;

fig. 3 is a splint structure view of a PLC and upper computer communication connection structure in the embodiment of the present application.

Description of the reference numerals: 1. a gateway module; 2. a wiring terminal; 3. a connecting wire; 4. a threaded segment; 5. a sleeve; 6. clamping and connecting a sleeve; 601. a penetration groove; 602. a placing groove; 603. a rib; 7. a splint structure; 701. a lower splint; 702. an upper splint; 703. a clamping groove; 8. a collar.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses PLC and host computer communication connection structure. Referring to fig. 1-3, a PLC and upper computer communication connection structure, including a gateway module 1, a connection terminal 2 on the gateway module 1 and a connection line 3 for communication, a sleeve ring 8 welded with a wire core is arranged at the end of the connection line 3, a sleeve 5 is slidably sleeved outside the sleeve ring 8, a thread section 4 is integrally formed at one end of the sleeve ring 8, the thread section 4 is in threaded connection with the sleeve 5, the adjustment range of the thread section 4 to the end distance of each sleeve 5 is 1-10mm, the sleeve 5 is inserted into the connection terminal 2 to realize the fixed connection between the connection line 3 and the gateway module 1, thread grooves are respectively arranged at both ends of the inner wall of the sleeve 5, the sleeve 5 is in threaded connection with the thread section 4 through the thread grooves, a protrusion is arranged on the inner wall of the sleeve 5, the protrusion is in interference fit with the outer wall of the sleeve ring 8, and the preferable protrusion can be a semicircular structure or a shrapnel, the contact between the protrusion and the lantern ring 8 ensures the stability of communication connection, the outside of one end of the connecting wire 3 close to the lantern ring 8 is sleeved with a clamping sleeve 6, the two sides of the clamping sleeve 6 are sequentially provided with a through groove 601 and a placing groove 602 from the inner side to the outer side, the through groove 601 and the sleeve 5 are in clearance fit, so that the sleeve 5 can pass through the through groove 601, the placing groove 602 is in a circular arc structure in clearance fit with the connecting wire 3, two convex edges 603 are arranged between the through groove 601 and the placing groove 602 on the same side, the two convex edges 603 are matched with each other, the clamping of the connecting wire 3 in the placing groove 602 is realized, the front view of the optimized convex edge 603 is a right-angled triangle-like mechanism, the inclined edge of the triangle-like structure is in an arc structure which is congruent to the placing groove 602, the minimum distance between the two convex edges 603 on the same side is smaller than the diameter of the connecting wire 3, and the outside of the connecting wire 3 is sleeved with a clamping plate structure 7, splint structure 7 is two segmentation structures and includes lower plate 701 and punch holder 702, lower plate 701 and punch holder 702 wait entirely, the symmetry sets up, splint structure 7's both sides are provided with joint groove 703, and joint groove 703 and the setting of 3 joints of connecting wire, preferred joint groove 703 is formed by lower plate 701 and punch holder 702 combination, joint groove 703 is the major arc structure, joint groove 703 horizontal direction is seted up with the logical groove of outside intercommunication, and the width that leads to the groove is less than the diameter of connecting wire 3, the circular arc structure diameter of joint groove 703 slightly is less than the diameter of connecting wire 3, with this realization to the joint effect of connecting wire 3.

The implementation principle of the communication connection structure of the PLC and the upper computer is as follows: firstly, the end part of a connecting wire 3 is cut to be flat, then the connecting wire 3 is sleeved at the middle position of a clamping sleeve 6, then a sleeve 5 is slid to the outer side of the connecting wire 3, after the completion, the connecting wire 3 is manufactured, the end part insulating skin of the connecting wire 3 is stripped, a lantern ring 8 is sleeved at the end part of the connecting wire 3, a thread section 4 is positioned at the outer side of an insulating layer of the connecting wire 3, the lantern ring 8 is positioned at the outer side of a wire core, the wire core and the lantern ring 8 are welded through tin soldering, so that the manufacturing of the connecting wire 3 is completed, when butt joint with a gateway module 1 is carried out, two connecting wires 3 are connected in a penetrating way from two penetrating grooves 601 of the clamping sleeve 6, the connecting wire 3 is pushed into installation grooves 602 at two sides of the clamping sleeve 6, the position of the connecting wire 3 in the clamping sleeve 6 is fixed through a convex rib 603, the sleeve 5 is connected to the thread section 4, the thread section 4 has a certain length, so that the length of the end part of the sleeve 5 can be adjusted, and the end part of the sleeve 5 at the middle part of the end part of the sleeve 5 at two sides reduces the connecting wire 3 and the pulling force borne by the connecting wire 3, and can be flexibly adjusted according to different wire lengths; the sleeve 5 is pushed into the wiring terminal 2, and the pressing plate moves downwards to press the sleeve 5, so that convenient butt joint is realized; through installing splint structure 7 additional in the outside of connecting wire 3, splint structure 7's centre round hole and 3 butt joints of intermediate junction line, splint structure 7 fastens through the screw, and the joint groove 703 of splint structure 7 both sides carries out the joint to the connecting wire 3 of both sides to realize the doubling treatment between the connecting wire 3 of organizing together, adopt the structure of joint, the separation between the three of being convenient for simultaneously, with this convenience that promotes the follow-up arrangement of connecting wire 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. The utility model provides a PLC and host computer communication connection structure, includes binding post (2) on gateway module (1), gateway module (1) and connecting wire (3) that are used for the communication, its characterized in that: the utility model discloses a gateway module, including connecting wire (3), the tip of connecting wire (3) is provided with sinle silk welded lantern ring (8), and the outside sliding sleeve of the lantern ring (8) has sleeve pipe (5), the one end integrated into one piece of the lantern ring (8) has screw thread section (4), and threaded connection between screw thread section (4) and sleeve pipe (5), screw thread section (4) are 1-10mm to the control range of each sleeve pipe (5) tip interval, fixed connection between connecting wire (3) and gateway module (1) is realized to the inside of binding post (2) is pegged graft in sleeve pipe (5).

2. The PLC and upper computer communication connection structure of claim 1, wherein: thread grooves are formed in two ends of the inner wall of the sleeve (5), the sleeve (5) is in threaded connection with the thread sections (4) through the thread grooves, protrusions are arranged on the inner wall of the sleeve (5), and the protrusions and the outer wall of the sleeve ring (8) are in interference fit.

3. The PLC and upper computer communication connection structure of claim 1, wherein: the one end outside cover that connecting wire (3) are close to lantern ring (8) is equipped with joint cover (6), the both sides of joint cover (6) are by inboard outside set gradually cross-under groove (601) and resettlement groove (602), cross-under groove (601) and sleeve pipe (5) clearance fit for sleeve pipe (5) can pass from cross-under groove (601), resettlement groove (602) are the arc structure with connecting wire (3) clearance fit.

4. The PLC and upper computer communication connection structure of claim 3, wherein: the same side between the penetrating groove (601) and the placing groove (602) are provided with two convex edges (603), and the two convex edges (603) are mutually matched to realize the clamping connection of the connecting wire (3) in the placing groove (602).

5. The PLC and upper computer communication connection structure of claim 1, wherein: the outside cover of connecting wire (3) is equipped with splint structure (7), splint structure (7) are two segmentation structures and include lower plate (701) and punch holder (702), lower plate (701) and punch holder (702) congruent, symmetry setting, the both sides of splint structure (7) are provided with joint groove (703), and joint groove (703) and connecting wire (3) joint setting.

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