Coupler of dp protocol master station

Abstract

The utility model relates to the related field of couplers, in particular to a coupler of a dp protocol master station, which comprises a device body, an outer shell, a maintenance assembly and a protection assembly are arranged in the device body, the upper end and the lower end of the outer shell are respectively provided with a group of plugging ports, the back face of the outer shell is provided with a maintenance port, and the outer side of the maintenance port is provided with a mounting groove. The maintenance assembly is inserted into the mounting groove, the protection assembly is mounted on the outer side of the insertion opening, the maintenance assembly comprises a mounting plate, a sealing plate is arranged on the outer side of the mounting plate, the protection assembly comprises a protection block and a fixing base, an outer insertion opening is formed in the center of the protection block, and an insertion groove is formed in the side face of the protection block; according to the invention, convenient opening and closing control of the access hole can be realized, maintenance operation of the interior of the coupler is facilitated, the structure is simple, operation is convenient, flexible opening and closing control of the plug-in interface can be realized, sealing protection of the plug-in interface during a non-use period is facilitated, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coupling related field, especially a kind of coupler of dp protocol master station. BACKGROUND

[0002] DP protocol master station plays the role of initiative control unit in PROFIBUS-DP bus protocol, responsible for controlling data exchange on bus, master station device usually includes CPU module, can carry out arithmetic processing and communication processing and other functions, in PROFIBUS protocol, master station is also called initiative station, commonly used coupler of DP protocol master station includes DP / PA coupler and DP / DP coupler, DP / PA coupler is a kind of efficient, compact power and signal transmission equipment, is widely used in industrial automation, robot technology, new energy and other fields, it is the equipment that bidirectional conversion is carried out between Profibus DP and Profibus PA physical link;

[0003] The coupler of DP protocol master station in prior art is mostly fixed structure, is connected with external device wire harness by external plug-in interface, but its external plug-in interface does not have sealing ability, is easily eroded by dust stain during non-use period, to cause not sensitive or damage when using, while existing coupler is inconvenient to disassemble when overhauling, needs to disassemble a large number of screws, time-consuming and laborious operation, therefore, we need to upgrade and reformation on the basis of prior art to overcome the existing problems and deficiencies. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of coupler of dp protocol master station to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of coupler of dp protocol master station, including device body, the device body includes shell, overhaul component and protection component, a group of plug-in interfaces are respectively arranged on the upper and lower ends of the shell, the back of the shell is provided with an overhaul opening and the overhaul opening outside is provided with mounting groove, the overhaul component is inserted in mounting groove, the protection component is installed outside plug-in interface.

[0007] Further, the overhaul component includes mounting plate, the outside of the mounting plate is equipped with sealing plate, the mounting plate and sealing plate are respectively provided with inner sealing ring and outer sealing ring, the outside of the mounting plate is equipped with two groups of mounting holes, the mounting hole is connected with fixed peg.

[0008] Further, the protection assembly comprises a protection block and a fixing seat, an outer insertion opening is arranged in the center of the protection block, and an insertion slot is arranged on the side surface of the protection block, an insertion plate is arranged in the insertion slot, and a push-pull block is arranged on the outer side of the insertion plate.

[0009] Further, the installation plate and the sealing plate are respectively inserted into the installation slot, the inner sealing ring and the outer sealing ring are attached to the installation slot, and the inner side of the fixing bolt is connected to the side wall of the outer shell.

[0010] Further, the push-pull block is provided with a friction sliding block on one side, the fixing seat is arranged on one side of the protection block and provided with a guide sliding groove at the front end, and the friction sliding block is slidably arranged in the guide sliding groove.

[0011] Further, the protection block and the fixing seat are respectively fixed to the side wall of the outer shell, and the outer insertion opening is in conductive connection with the insertion opening.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a device is provided with the access hole, the installation slot, the maintenance assembly, the installation plate, the sealing plate, the inner sealing ring, the outer sealing ring, the mounting hole and the fixing bolt, and the access hole is controlled to open and close through the sealing plate and the installation plate, the installation plate is fixed through the mounting hole and the fixing bolt, and then convenient opening and closing control of the access hole can be realized, the inside of the coupler is maintained and is operated conveniently, the structure is simple and convenient to operate, a large number of bolts do not need to be dismantled, and the device maintenance efficiency is improved.

[0014] 2. The utility model discloses a device is provided with the protection assembly, the protection block, the insertion slot, the insertion plate, the push-pull block, the fixing seat, the guide sliding groove, the friction sliding block and the outer insertion opening, the insertion plate is moved in the insertion slot through the push-pull block, the insertion plate is guided and limited through the friction sliding block, the outer insertion opening is in conductive connection with the insertion opening, and then flexible opening and closing control of the insertion opening can be realized, the insertion opening is sealed and protected during non-use conveniently, dust and stains in the inside of the insertion opening are prevented from erosion, and the device safety is improved.

[0015] The specific embodiments of the utility model are disclosed in detail in the following description and drawings, and the principle of the utility model can be adopted. It should be understood that the embodiments of the utility model are not limited in scope. The embodiments of the utility model include many changes, modifications and equivalents within the spirit and clauses of the appended claims. DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model. In the drawings:

[0017] Figure 1 It is the overall structure schematic view of the coupler of the dp protocol master station according to the utility model;

[0018] Figure 2 It is the working structure schematic view of the coupler of the dp protocol master station according to the utility model;

[0019] Figure 3 It is the maintenance assembly exploded view of the coupler of the dp protocol master station according to the utility model;

[0020] Figure 4 It is the protection assembly exploded view of the coupler of the dp protocol master station according to the utility model.

[0021] In the figure: 1, device body; 2, outer shell; 21, plug interface; 22, maintenance opening; 23, installation groove; 3, maintenance assembly; 31, mounting plate; 32, sealing plate; 33, inner sealing ring; 34, outer sealing ring; 35, mounting hole; 36, fixed bolt; 4, protection assembly; 41, protection block; 42, plug-in slot; 43, plug-in plate; 44, push-pull block; 45, fixed seat; 46, guide sliding groove; 47, friction sliding block; 48, external plug. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figure 1 The coupler of the dp protocol master station provided by the embodiment shown in Fig. 4 comprises a device body 1, which contains an outer shell 2, a maintenance assembly 3 and a protection assembly 4. A group of plug-in interfaces 21 are arranged on the upper and lower ends of the outer shell 2. A maintenance opening 22 is arranged on the back of the outer shell 2, and an installation groove 23 is formed on the outer side of the maintenance opening 22. The maintenance assembly 3 is plugged into the installation groove 23. The protection assembly 4 is installed on the outer side of the plug-in interfaces 21.

[0024] Preferably, the maintenance assembly 3 comprises a mounting plate 31, the outer side of which is provided with a sealing plate 32. An inner sealing ring 33 and an outer sealing ring 34 are arranged on the mounting plate 31 and the sealing plate 32, respectively. Two groups of mounting holes 35 are arranged on the outer side of the mounting plate 31, and fixed bolts 36 are connected in the mounting holes 35. The mounting plate 31 and the sealing plate 32 are plugged into the installation groove 23. The inner sealing ring 33 and the outer sealing ring 34 are attached to the installation groove 23. The inner side of the fixed bolts 36 is connected to the side wall of the outer shell 2.

[0025] The installation plate 31 is inserted into the installation groove 23 through the sealing plate 32, the connection is sealed and protected through the inner sealing ring 33 and the outer sealing ring 34, and the installation plate 31 is fixed through the two groups of fixing bolts 36 and the installation holes 35, so that the convenient opening and closing control of the maintenance opening 22 can be realized, the inside of the coupler can be conveniently maintained and repaired, the structure is simple and the operation is convenient, a large number of bolts do not need to be disassembled, and the device maintenance efficiency is improved.

[0026] Preferably, the protection assembly 4 comprises a protection block 41 and a fixing seat 45, the protection block 41 is provided with an outer socket 48 in the center and an insertion slot 42 in the side surface, an insertion plate 43 is installed in the insertion slot 42, a push-pull block 44 is arranged on the outer side of the insertion plate 43, a friction sliding block 47 is arranged on one side of the push-pull block 44, the fixing seat 45 is arranged on one side of the protection block 41 and provided with a guide sliding groove 46 at the front end, the friction sliding block 47 is slidably arranged in the guide sliding groove 46, and the protection block 41 and the fixing seat 45 are fixed on the side wall of the outer shell 2 respectively, and the outer socket 48 is in conductive connection with the insertion port 21.

[0027] The insertion plate 43 is controlled to move in the insertion slot 42 through the push-pull block 44, the push-pull block 44 drives the friction sliding block 47 to move in the guide sliding groove 46 at the same time, the friction sliding block 47 guides and limits the insertion plate 43, and the outer socket 48 is in conductive connection with the insertion port 21, so that flexible opening and closing control of the insertion port 21 can be realized, the insertion port 21 can be conveniently sealed and protected during non-use, dust and stains in the insertion port 21 are prevented from being eroded, and the safety of the device is improved.

[0028] The use principle and use process of the utility model are as follows: when in use, the insertion plate 43 can be pulled out of the outer socket 48 through cooperation of the push-pull block 44 and the friction sliding block 47, when the friction sliding block 47 moves to the tail of the guide sliding groove 46, the insertion plate 43 is just separated from the insertion port 21, at this time, the coupler can be connected with the external power line, during non-use, the insertion plate 43 can be inserted into the outer socket 48 again, when the coupler needs to be maintained and repaired, the two groups of fixing bolts 36 can be first disassembled from the installation holes 35, then the installation plate 31 and the sealing plate 32 can be pulled out of the installation groove 23, so that the maintenance opening 22 is completely opened, conversely, the installation plate 31 and the sealing plate 32 can be fixed again, the operation is simple and convenient, only two groups of fixing bolts 36 are needed, and the efficiency and convenience of device maintenance are greatly improved.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "right", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

Claims

1. A coupler of a dp protocol master station, characterized by: The utility model provides an external sealing type device, including device body (1), the device body (1) contains shell (2), overhaul assembly (3) and protection assembly (4), a group of insertion interfaces (21) are arranged respectively on the upper and lower ends of shell (2), the back of shell (2) is provided with overhaul opening (22) and is provided with mounting groove (23) outside overhaul opening (22), and overhaul assembly (3) is inserted in mounting groove (23), and protection assembly (4) is installed outside insertion interface (21).

2. A coupler for a dp protocol master station according to claim 1, characterized in that: The overhaul assembly (3) contains the mounting plate (31), the mounting plate (31) outside is equipped with the sealing plate (32), the mounting plate (31) and sealing plate (32) are equipped with inner sealing ring (33) and outer sealing ring (34) respectively, the mounting plate (31) outside is equipped with two groups of mounting hole (35), and the mounting hole (35) is connected with fixed peg (36).

3. The coupler of a dp protocol master station according to claim 1, characterized in that: The protection assembly (4) contains protection block (41) and fixed seat (45), the protection block (41) center is provided with outer insertion interface (48) and is provided with insertion slot (42) on the side, and the insertion slot (42) is installed with insertion board (43), and the insertion board (43) outside is provided with push -pull block (44).

4. The coupler of a dp protocol master station according to claim 2, characterized in that: The mounting plate (31) and sealing plate (32) are inserted in mounting groove (23) respectively, the inner sealing ring (33) and outer sealing ring (34) are attached in mounting groove (23), and the fixed peg (36) inside is connected on the side wall of shell (2).

5. The coupler of a dp protocol master station according to claim 3, characterized in that: The push -pull block (44) one side is equipped with friction sliding block (47), and the fixed seat (45) is arranged in one side of protection block (41) and is provided with guide sliding groove (46) in front end, and the friction sliding block (47) is located in guide sliding groove (46) sliding.

6. A coupler for a dp protocol master station according to claim 5, characterized in that: The protection block (41) and fixed seat (45) are fixed on the side wall of shell (2) respectively, and the outer insertion interface (48) is connected with insertion interface (21) in guide.

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