Double-master control switching device of Ethernet access equipment

Abstract

The utility model belongs to the technical field of Ethernet access equipment. The double-master-control switching device of the Ethernet access equipment comprises a mounting plate, two pull-assisting devices, a PCB and two microswitches, each pull-assisting device comprises a main body plate, the main body plate is provided with a pull-assisting device locking device, the left end and the right end of the mounting plate are respectively provided with an open slot, the inner surface of a back plate of the mounting plate is provided with a mounting stud, the PCB is provided with a screw hole at a corresponding position, and the micro switches are arranged on the mounting plate. After the stud is sleeved with the main body plate, the PCB is installed on the stud through a screw, and the microswitch is installed at the position, corresponding to the position where the abutting plane of the main body plate can touch the microswitch when the handle part is pressed downwards, of the back face of the PCB so as to trigger the on-off action of the microswitch. According to the master control switching device, transmission of switching signals is achieved through rotation and self-locking of the unplugging assisting device and cooperation of the microswitch, conversion data packaging is carried out in advance, and waste of processing resources of the master control board is reduced. In addition, the structure is simple, the manufacturing process is simple, production efficiency is effectively improved, and production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of Ethernet access devices, and particularly relates to a dual-master switch device for an Ethernet access device. Background Art

[0002] In the prior art, a single master control is often used in Ethernet access devices. When the single master control has problems, it cannot switch to a standby master control for normal operation, thus affecting the normal use of the product and causing waste of the processing resources of the master control board.

[0003] Therefore, it is extremely urgent to develop an open Ethernet access device device with a single machine dual-master switch that can realize the switching of dual master controls. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a dual-master switch device for an Ethernet access device. The master control switch device realizes the transmission of switching signals through the rotation and self-locking of a helper extractor and the cooperation with a microswitch, and pre-converts and packs data in advance, reducing the waste of the processing resources of the master control board. In addition, the master control switch device has a simple structure and a simple manufacturing process, effectively improving the production efficiency and reducing the production cost.

[0005] In order to achieve the above technical purpose, the utility model is realized according to the following technical solutions:

[0006] A dual-master switch device for an Ethernet access device according to the utility model includes a mounting plate, two helper extractors, a PCB board, and two microswitches. The mounting plate includes a main panel and upper and lower side plates disposed on the upper and lower sides of the main panel. Looseness-proof screws are provided at the left and right ends of the main panel. The helper extractor includes a main body plate, a helper extractor locking device is provided on the main body plate, a tiger mouth part that can contact the edge of the frame when the main body plate rotates and drive the PCB board to move back and forth is provided at the front end of the main body plate, an installation hole and a contact plane are provided at the bottom position of the front end part, and a handle part is provided at the rear end part of the main body plate. Open slots for inserting the bottom of the main body plate are respectively provided at the left and right end parts of the mounting plate corresponding to the junction of the main panel and the lower side plate. Mounting studs are correspondingly provided on the inner surfaces of the upper surfaces of the left and right sides of the lower side plate of the mounting plate. Screw holes are provided at the corresponding positions on the left and right sides of the PCB board. After the installation hole of the main body plate is sleeved on the stud, the PCB board is then installed on the stud through its screw holes. The two microswitches are installed at positions on the back of the PCB board corresponding to the contact plane of the main body plate when the handle part is pressed down to touch the microswitches, so as to trigger the switching action of the microswitches.

[0007] As a further improvement of the above technology, the auxiliary puller locking device includes a wrench on the upper part of the main body plate, a buckle that can be unlocked by pulling the wrench, and buckle slots for the buckle to be buckled and locked are provided at the corresponding positions of the left and right ends of the lower side plate. The upper edge of the PCB board is also provided with a corresponding air avoidance groove that cooperates with the buckle slot. The setting of the auxiliary puller locking device can effectively prevent the micro switch from being accidentally touched.

[0008] When the auxiliary puller rotates downward, the jaws of the auxiliary puller drive the board to move forward and backward, so that the PCB board can be easily plugged in and out. At the same time, the buckle on the auxiliary puller realizes a self-locking function, and the buckle is unlocked by the wrench on the auxiliary puller. At the same time, the contact plane at the bottom of the auxiliary puller can cooperate or separate with the micro switch on the PCB board to realize the opening and closing of the micro switch, thereby realizing the transmission of the main control board signal in advance and completing the control switching of the main and standby main control.

[0009] As a further improvement of the above technology, the buckle slot is a square opening slot, and the width dimension of the square opening slot ranges from 7 to 8 mm, and the height dimension ranges from 4 to 6 mm.

[0010] As a further improvement of the above technology, the mounting plate is a U-shaped plate, the length of the mounting plate is 190 mm, the height is 20 mm, the depth of the U-shaped groove is 15 mm, the four sides are chamfered, and the radius ranges from 1 to 2 mm.

[0011] As a further improvement of the above technology, the puller is sleeved on the stud, which can not only limit the up and down movement of the puller, but also realize the rotation of the puller. The diameter of the stud ranges from 4 to 4.5 mm.

[0012] As a further improvement of the above technology, the opening size of the jaws of the puller is such that when the puller is locked, the distance from the upper edge of the jaws to the upper support surface of the puller is 1.5 to 2 mm, and the distance from the lower edge of the jaws to the lower support surface of the puller is 0.5 to 1 mm. The opening of the jaws is rounded all around, and the radius ranges from 2 to 3 mm.

[0013] As a further improvement of the above technology, the position setting of the micro switch is related to the stroke of the micro switch and the top edge of the puller. The power-on stroke of the micro switch is 0.3-0.7 mm, and the limit stroke is 2-2.2 mm. When the puller is in the self-locking state, the micro switch is in a compressed state. When the puller is rotated upward by 2-5°, the micro switch sends a disconnect signal, and the PCB board is in an unplugged state.

[0014] In the utility model, the mounting plate is made of electro-galvanized plate material, and its thickness ranges from 1.2 to 1.5 mm.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) In the present invention, the setting of the locking device of the pull-out aid can effectively prevent the rotation of the pull-out aid from causing the micro switch to be triggered, thereby ensuring safety and reliability during use;

[0017] (2) In the present invention, the micro switch position is set to transmit the plug-in and pull-out signals in advance by rotating the pull-out aid, so as to realize the early packaging of the conversion data and improve the processing resource efficiency of the main control board;

[0018] ⑶ The dual-master switching device described in the utility model has a simple structure and a simple manufacturing process, which effectively improves production efficiency and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] Figure 1 This is a schematic diagram of the structure of the dual-master switching device for Ethernet access equipment described in the utility model;

[0021] Figure 2 is the above Figure 1 The enlarged schematic diagram of point A in the middle (self-locking state of the puller);

[0022] Figure 3 is the above Figure 1 The enlarged schematic diagram of point B in the middle (the state where the extraction aid is opened 10° upward);

[0023] Figure 4 It is an exploded schematic diagram of the dual-master switching device of the Ethernet access equipment described in the utility model;

[0024] Figure 5 This is an assembly stereogram of the dual-master switch device for Ethernet access equipment described in the utility model (seen from the back);

[0025] Figure 6 It is a side sectional view of the dual master control switching device of the Ethernet access equipment described in the utility model;

[0026] Figure 7 It is a schematic diagram of the structure of the auxiliary puller in the utility model (when it is in conflict with the micro switch). DETAILED DESCRIPTION

[0027] like Figures 1 to 7As shown in the figure, a dual-master switch device for an Ethernet access device according to the present utility model includes a mounting plate 1, two extraction aids 2, a PCB board 3, and two micro switches 4. The mounting plate 1 is a U-shaped plate, including a main panel 11, an upper side plate 12 and a lower side plate 13 disposed on the upper and lower sides of the main panel 11. Loose non-detachable screws 5 are provided at the left and right ends of the main panel 11. The extraction aid 2 includes a main body plate 21. A locking device for the extraction aid is provided on the main body plate 21. A tiger mouth portion 22 capable of contacting the side of the PCB board 3 to drive the movement of the PCB board 3 when the front end portion of the main body plate 21 rotates is provided at the front end portion of the main body plate 21. An installation hole 23 and a contact plane 24 are provided at the bottom position of the front end portion. A handle portion 25 is provided at the rear end portion of the main body plate 21. At the left and right end portions of the mounting plate 1 corresponding to the junction of the main panel 11 and the lower side plate 13, an opening slot 14 for inserting the bottom of the main body plate 21 is respectively provided. Installation studs 15 are correspondingly provided on the left and right sides of the inner surface of the lower side plate 13 of the mounting plate 1. Screw holes 31 are provided at the corresponding positions on the left and right sides of the PCB board 3. After the installation hole 23 of the main body plate 21 is sleeved on the stud 15, the PCB board 3 is installed on the stud 15 through its threaded hole 31. The two micro switches 4 are installed at positions on the back of the PCB board 3 corresponding to the contact plane 24 of the main body plate 21 when the handle portion 25 is pressed down, so as to trigger the switching action of the micro switch 4.

[0028] As Figures 2 to 7 shown, the locking device for the extraction aid includes a wrench 26 on the upper part of the main body plate 21 and a buckle 27 that can be unlocked by pulling the wrench 26. At the corresponding positions of the left and right end portions of the rear side plate 13, a buckle slot 16 for the buckle 27 to engage and lock is provided. An avoidance groove 32 that cooperates with the buckle slot 16 is also correspondingly provided at the edge of the upper end portion of the PCB board 3. The setting of the locking device for the extraction aid can effectively prevent the situation of accidental touch of the micro switch 4.

[0029] As Figure 2 、 Figure 3 shown, when the extraction aid 2 rotates downward, the tiger mouth portion 22 of the extraction aid 2 drives the front and back movement of the PCB board 3 to realize the easy insertion and extraction of the PCB board 3. In addition, the buckle 27 on the extraction aid 2 realizes a self-locking function. The unlocking of the buckle 27 is completed through the wrench 26 on the extraction aid 2. At the same time, the contact plane 24 at the bottom of the extraction aid 2 can be in contact and cooperation with or separated from the micro switch 4 on the PCB board 3 to realize the on and off actions of the micro switch 4, so as to realize the smooth transmission of the main control board signal in advance and the control switching between the main and standby main controls.

[0030] As Figure 2 、 Figure 3 、 Figure 5As shown, the buckle slot 16 is a square opening slot, the width of which is in the range of 7 to 8 mm, and the height of which is in the range of 4 to 6 mm.

[0031] like Figure 5 As shown, the mounting plate 1 is a U-shaped plate, the length dimension of the mounting plate 1 is 190 mm, the height dimension is 20 mm, the depth dimension of the U-shaped groove is 15 mm, and the four sides are all chamfered, and the radius dimension ranges from 1 to 2 mm.

[0032] During installation, the puller 2 is sleeved on the stud 15, which can limit the up and down movement of the puller 2 and also realize the rotation of the puller 2. The diameter of the stud 15 is in the range of 4 to 4.5 mm.

[0033] In the utility model, the opening size of the jaws 22 of the puller 2 is such that when the puller 2 is in a locked state, the distance from the upper edge of the jaws 22 to the upper supporting surface of the puller 2 is 1.5 to 2 mm, and the distance from the lower edge of the jaws 22 to the lower supporting surface of the puller 2 is 0.5 to 1 mm. The opening of the jaws 22 is rounded all around, and the radius ranges from 2 to 3 mm.

[0034] In the utility model, the position setting of the micro switch 4 is related to the stroke of the micro switch 4 and the top edge of the puller 2. The power-on stroke of the micro switch 4 is 0.3-0.7 mm, and the limit stroke is 2-2.2 mm. When the puller 2 is in the self-locking state, the micro switch 4 is in a compressed state. When the puller 2 is rotated upward by 2-5°, the micro switch 4 sends a disconnect signal, and the PCB board 3 is in an unplugged state.

[0035] In the utility model, the mounting plate 1 is made of electro-galvanized sheet material with a thickness ranging from 1.2 to 1.5 mm, light weight, small size, simple manufacturing process and low cost.

[0036] The following specifically describes the installation process of the Ethernet access device dual-master switching device 10 described in the utility model:

[0037] (1) First, Figure 3 As shown, the pull-out aid 2 is mounted on the studs 15 on both sides of the main panel 11 through the mounting holes 23 on the pull-out aid 2, and then the PCB board 3 is fixed on the studs 15 with screws, and the pull-out aid 2 is pressed under the PCB board 3;

[0038] (2) Next, fix the PCB board 3 and the puller 2, open the puller 2, and insert it into the opening slot 14 of the mounting plate 1. The upper edge 221 of the jaws 22 of the puller 2 touches the side of the PCB board 3, and the lower edge 222 of the jaws 22 contacts the mounting plate 1. The PCB board 3 is inserted into the mounting plate 1 with the stud 15 as a fulcrum.

[0039] For the dual-master switch device of the Ethernet access device described in the present utility model, an opening slot 14 is provided on the mounting plate 1 and is cooperated with the self-locking buckle 27 on the extraction aid 2 for self-locking to limit the free rotation of the extraction aid 2; the contact plane 24 at the tail end of the extraction aid 2 is cooperated with the micro switch 4 to preferably control the signal emission and the in-position information for switching the master control, realize the switching of the master control board, improve the processing resource efficiency of the master control board, and enhance the customer use experience.

[0040] The present utility model is not limited to the above embodiments. If various modifications or variations of the present utility model do not depart from the spirit and scope of the present utility model, and provided that these modifications and variations fall within the scope of the claims of the present utility model and equivalent technical scope, then the present utility model also includes these modifications and variations.

Claims

1. A dual-master switching device for an Ethernet access device, characterized in that: It includes a mounting plate, two extractors, a PCB board, and two microswitches. The mounting plate includes a main panel, an upper side plate and a lower side plate disposed on the upper and lower sides of the main panel respectively. The extractor includes a main body plate. A locking device for the extractor is provided on the main body plate. A tiger mouth portion that can contact the frame body to drive the PCB board to move back and forth when the main body plate rotates is provided at the front end of the main body plate. An installation hole and a contact plane are provided at the bottom position of the front end portion. A handle portion is provided at the rear end of the main body plate. At the left and right end portions of the mounting plate, corresponding to the junction of the main panel and the lower side plate, an open slot for inserting the bottom of the main body plate is provided respectively. Installation studs are provided on the inner surfaces of the left and right sides of the lower side plate of the mounting plate. Screw holes are provided at the corresponding positions on the left and right sides of the PCB board. After the installation hole of the main body plate is sleeved on the stud, the PCB board is installed on the stud through its screw holes. The two microswitches are installed at positions on the back of the PCB board corresponding to the contact plane of the main body plate when the handle portion is pressed down to touch the microswitches, so as to trigger the switching action of the microswitches.

2. The dual-master switching device of the Ethernet access device according to claim 1, characterized in that: The locking device for the extractor includes a wrench on the upper part of the main body plate and a buckle that can be unlocked by pulling the wrench. Corresponding slots for the buckle to engage and lock are provided at the left and right end portions of the lower side plate. Avoidance slots that cooperate with the buckle slots are also provided at the corresponding positions on the upper edge of the PCB board.

3. The dual-master switching device for an Ethernet access device according to claim 2, wherein: The buckle slot is a square open slot. The width dimension range of the square open slot is 7 - 8 mm, and the height dimension range is 4 - 6 mm.

4. The dual-master switching device for an Ethernet access device according to any one of claims 1 to 3, characterized in that: The mounting plate is a U-shaped plate. The length dimension of the mounting plate is 190 mm, its height dimension is 20 mm, the depth dimension of its U-shaped groove is 15 mm, and all four sides are chamfered with a radius dimension range of 1 - 2 mm.

5. The dual-master switchover device for an Ethernet access device according to claim 1, wherein: The diameter range of the stud is 4 - 4.5 mm.

6. The dual-master switching device for an Ethernet access device according to claim 1, characterized in that: For the opening dimension of the tiger mouth portion of the extractor, when the extractor is in the locked state, the distance from the upper edge of the tiger mouth portion to the upper supporting surface of the extractor is 1.5 - 2 mm, and the distance from the lower edge of the tiger mouth portion to the lower supporting surface of the extractor is 0.5 - 1 mm. The opening of the tiger mouth portion is chamfered on all four sides with a radius dimension range of 2 - 3 mm.

7. The dual-master switching device for an Ethernet access device according to claim 1, wherein: The position setting of the microswitch is related to the stroke of the microswitch and the top edge of the extractor. The energized stroke of the microswitch is 0.3 - 0.7 mm, and the limit stroke is 2 - 2.2 mm. When the extractor is in the self-locking state, the microswitch is in the compressed state. When the extractor rotates upward by 2 - 5°, the microswitch emits a disconnection signal, and the PCB board is in the uninserted / removed state.

8. The dual-master switchover device of the Ethernet access device according to claim 1, wherein: Loosening-proof screws are provided at the left and right ends of the main panel.

9. The dual-master switching device for an Ethernet access device according to claim 1, wherein: The mounting plate is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 mm.

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