Digital display meter convenient for modular installation

Abstract

The utility model relates to the technical field of installation of digital display meters, and discloses a digital display meter convenient for modular installation, which comprises a casing with a groove at the right end, a sealing cover is arranged in the upper end of the casing, an installation plate is fixedly installed at the bottom of the inner side of the casing, and four positioning columns are symmetrically and fixedly installed at the upper end of the installation plate. According to the utility model, the structural part of the circuit board of the digital display meter is divided into the signal board and the power board for graded installation, the display board of the digital display meter is cooperatively fixed by the fixing board and the extrusion pad, the signal board is positioned and installed by the positioning column, and the auxiliary fixing mechanism fixes the signal board. The power panel is positioned and installed by using the positioning screw rod and is fixed by using the internal thread ring, so that the up-and-down layered installation in the casing is completed, the circuit board of the digital display meter is modularly installed by using an effective space, and meanwhile, few self-tapping screws are used in the equipment, so that the use cost and the falling trouble are reduced, the operation is simple and convenient during installation, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of installation of digital display meters, in particular to a digital display meter which is convenient for modular installation. Background Art

[0002] Digital display meter is a multifunctional intelligent meter with programmable measurement, display, digital communication and electric energy pulse transmission output. It can complete the measurement of electricity, energy metering, data display, collection and transmission. Its many functions are realized through the circuit board inside it. Because its display data is accurate and clear at a glance, it is widely used in various industries.

[0003] The circuit board of today's digital display is an integrated structure, and each function is also an integrated structure, which can achieve the predetermined functions. In order to achieve multiple functional requirements, the circuit board area is large, and it occupies a large area during installation, which limits its practicality; at the same time, the current installation technology is to fix it with self-tapping screws and support columns. The number of screws used is large, and they are easy to fall off during installation, which is inconvenient to use and cumbersome to install. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to provide a digital display that is easy to install in a modular manner to solve the problem raised in the above background technology that the circuit board of the current digital display is an integral structure, and each function is also an integrated structure, which can achieve the predetermined function. In order to achieve multiple functional requirements, the circuit board area is large, and it occupies a large area during installation, which limits the practicality; at the same time, the current installation technology is to fix it with self-tapping screws and support columns, and the number of screws used is large, and it is easy to fall off during the installation process, which is inconvenient to use and cumbersome to install.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a digital display meter that is easy to install in a modular manner, comprising a casing with a slot at the right end, a cover is arranged inside the upper end of the casing, a mounting plate is fixedly installed at the inner bottom of the casing, four positioning columns are symmetrically fixedly installed at the upper end of the mounting plate, a positioning screw is fixedly installed at the upper end of each positioning column, a display panel is arranged at the inner right end of the casing, a signal panel and a power panel are arranged above the mounting panel, four through holes corresponding to the positioning columns are opened on the signal panel, four through holes corresponding to the positioning screws are opened on the power panel, and an auxiliary fixing mechanism for fixing the signal panel is arranged on the mounting panel;

[0008] The auxiliary fixing mechanism comprises an inner groove and a bidirectional screw rod. The inner side of the mounting plate is provided with an inner groove, and the bidirectional screw rod is rotatably mounted in the inner groove.

[0009] Preferably, the auxiliary fixing mechanism also includes a movable groove and a movable bolt 1, and the left end of the housing and the mounting plate is provided with a movable groove connected to the inner groove, and a movable bolt 1 is arranged in the movable groove, and the movable bolt 1 is fixedly connected to the bidirectional screw.

[0010] Through the above technical solution, rotating the movable bolt from the outside can drive the bidirectional screw in the inner groove to rotate.

[0011] Preferably, the auxiliary fixing mechanism also includes a through slot, a movable plate and an N-sub-plate. Through slots connected to the inner slot are opened on both sides of the upper end of the mounting plate. The outer sides of the two ends of the bidirectional screw are symmetrically threadedly connected with the movable plate. The upper ends of the two movable plates pass through the corresponding through slots and are fixedly installed with N-sub-plates.

[0012] Through the above technical solution, the bidirectional screw drives the two movable plates to move relatively closer or farther away when rotating, thereby driving the two N sub-plates to move synchronously.

[0013] Preferably, the auxiliary fixing mechanism also includes a threaded rod, two movable bolts, a clamping plate and a clamping pad. A threaded rod is rotatably installed between the two N sub-plates and the corresponding movable plates. Two movable bolts are movably provided on the two N sub-plates, and the lower end of the two movable bolts is fixedly connected to the threaded rod. The outer sides of the two threaded rods are threadedly connected with a clamping plate, and the lower ends of the two clamping plates are fixedly installed with a clamping pad.

[0014] Through the above technical solution, when the two N sub-boards move relative to each other to a certain position, the signal board is clamped in the middle, and the movable bolt 2 is further rotated to drive the threaded rod to rotate. At this time, the clamping plate moves downward, and the clamping pad is squeezed on the signal board to further fix the signal board.

[0015] Preferably, the cover is fixedly mounted on the casing by four sets of fixing bolts, and the outer side of the upper end of each positioning screw is threadedly connected with an internal thread ring.

[0016] Through the above technical solution, the cover and the casing are connected by bolts, which is convenient for disassembly and maintenance. After the power board is put on the four positioning screws, the internal threaded ring is connected to the positioning screws to press and fix the power board.

[0017] Preferably, a fixing plate is fixedly installed on the right side of the lower end of the cover, and a compression pad is fixedly installed on the bottom of the cover and on the right side of the fixing plate.

[0018] Through the above technical solution, after the cover is fixed on the casing, the fixing plate blocks and limits the display panel, and the compression pad further compresses and fixes the display panel.

[0019] Preferably, two groups of wiring ports are arranged on the left end surface of the display panel, and plug pins are respectively arranged on the signal board and the power board, and the two groups of plug pins are respectively connected to the corresponding wiring ports.

[0020] Through the above technical solution, the signal transmission connection between the signal board, the power board and the display board is achieved through the connection between the two groups of wiring ports and the pins.

[0021] Compared with the prior art, the utility model provides a digital display meter that is easy to install in a modular manner, and has the following beneficial effects:

[0022] The utility model divides the structural parts of the circuit board of the digital display meter into two parts, a signal board and a power board, and installs them in stages by arranging a casing, a cover, a mounting plate, a positioning column, a positioning screw, an auxiliary fixing mechanism, an internal thread ring, a fixing plate, an extrusion pad, etc. The display board of the digital display meter is fixed by the fixing plate and the extrusion pad, the signal board is positioned and installed by the positioning column, the auxiliary fixing mechanism is used to fix it, the power board is positioned and installed by the positioning screw and fixed by the internal thread ring, thereby completing the upper and lower layered installation in the casing, and modularizing the circuit board of the digital display meter by using effective space, and at the same time, fewer self-tapping screws are used in the equipment, thereby reducing the cost of use and the trouble of falling, and the installation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model Figure 1 ;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model Figure 2 ;

[0026] Figure 4 For this utility model Figure 2 A schematic diagram of the partially enlarged structure;

[0027] Figure 5 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1. casing; 2. cover; 3. mounting plate; 4. signal board; 5. power board; 6. display board; 7. positioning column; 8. positioning screw; 9. auxiliary fixing mechanism; 901. inner groove; 902. bidirectional screw; 903. movable groove; 904. movable bolt one; 905. through groove; 906. movable plate; 907. N sub-plate; 908. threaded rod; 909. movable bolt two; 910. clamping plate; 911. clamping pad; 10. perforation one; 11. perforation two; 12. fixing bolt; 13. internal thread ring; 14. fixing plate; 15. extrusion pad; 16. wiring port; 17. plug pin. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figure 1-4 As shown, the digital display meter provided by the utility model is easy to modularly install, including a casing 1 with a slot at the right end, a cover 2 is arranged in the upper end of the casing 1, a mounting plate 3 is fixedly installed at the inner bottom of the casing 1, four positioning columns 7 are symmetrically fixedly installed at the upper end of the mounting plate 3, and a positioning screw 8 is fixedly installed at the upper end of each positioning column 7, a display board 6 is arranged at the inner right end of the casing 1, a signal board 4 and a power board 5 are arranged above the mounting plate 3, four through holes 10 corresponding to the positioning columns 7 are opened on the signal board 4, four through holes 11 corresponding to the positioning screws 8 are opened on the power board 5, and an auxiliary fixing mechanism 9 for fixing the signal board 4 is arranged on the mounting plate 3;

[0032] The auxiliary fixing mechanism 9 includes an inner groove 901 and a bidirectional screw 902 . The inner side of the mounting plate 3 is provided with the inner groove 901 , and the bidirectional screw 902 is rotatably mounted in the inner groove 901 .

[0033] Specifically, the auxiliary fixing mechanism 9 further includes a movable groove 903 and a movable bolt 1 904. The left end of the housing 1 and the mounting plate 3 is provided with a movable groove 903 connected to the inner groove 901. The movable bolt 1 904 is arranged in the movable groove 903, and the movable bolt 1 904 is fixedly connected to the bidirectional screw 902. The advantage is that rotating the movable bolt 1 904 from the outside can drive the bidirectional screw 902 in the inner groove 901 to rotate.

[0034] Specifically, the auxiliary fixing mechanism 9 further includes a through slot 905, a movable plate 906 and an N sub-plate 907. Through slots 905 connected to the inner slot 901 are provided on both sides of the upper end of the mounting plate 3. The outer sides of both ends of the bidirectional screw 902 are symmetrically threadedly connected with the movable plates 906. The upper ends of the two movable plates 906 pass through the corresponding through slots 905 and are fixedly installed with the N sub-plates 907. The advantage is that when the bidirectional screw 902 rotates, the two movable plates 906 are driven to move relatively close to or relatively away from each other, thereby driving the two N sub-plates 907 to move synchronously.

[0035] Specifically, the auxiliary fixing mechanism 9 also includes a threaded rod 908, a second movable bolt 909, a clamping plate 910 and a clamping pad 911. The threaded rod 908 is rotatably installed between the two N sub-plates 907 and the corresponding movable plate 906. The second movable bolt 909 is movably provided through the two N sub-plates 907, and the lower end of the second movable bolt 909 is fixedly connected to the threaded rod 908. The outer sides of the two threaded rods 908 are threadedly connected with a clamping plate 910, and the lower ends of the two clamping plates 910 are fixedly installed with a clamping pad 911. The advantage is that when the two N sub-plates 907 move relatively to a certain position, the signal plate 4 is clamped in the middle, and the second movable bolt 909 is further rotated to drive the threaded rod 908 to rotate. At this time, the clamping plate 910 moves downward, and the clamping pad 911 is squeezed on the signal plate 4 to further fix the signal plate 4.

[0036] Embodiment 2:

[0037] like Figure 3 and Figure 5 As shown, as an improvement on the previous embodiment. Specifically, the cover 2 is fixedly mounted on the housing 1 by four sets of fixing bolts 12, and the upper outer side of each positioning screw 8 is threadedly connected with an internal thread ring 13. The advantage is that the cover 2 and the housing 1 are connected by bolts, which is convenient for disassembly and maintenance. After the power board 5 is sleeved on the four positioning screws 8, the internal thread ring 13 is connected to the positioning screws 8 to press and fix the power board 5.

[0038] Specifically, a fixing plate 14 is fixedly installed on the right side of the lower end of the cover 2, and a pressing pad 15 is fixedly installed on the bottom of the cover 2 and on the right side of the fixing plate 14. The advantage is that after the cover 2 is fixed on the housing 1, the fixing plate 14 blocks and limits the display panel 6, and the pressing pad 15 further presses and fixes the display panel 6.

[0039] Specifically, two groups of wiring ports 16 are provided on the left end surface of the display panel 6, and pins 17 are provided on the signal panel 4 and the power panel 5, respectively, and the two groups of pins 17 are respectively connected to the corresponding wiring ports 16. The advantage is that the signal transmission connection between the signal panel 4, the power panel 5 and the display panel 6 is achieved through the connection between the two groups of wiring ports 16 and the pins 17.

[0040] During installation, first insert the display board 6 into the inside of the housing 1 and put it against the right end. Put the signal board 4 with various electrical components installed on the mounting plate 3 through the positioning screw 8 and the positioning column 7. Turn the movable bolt 1 904 from the outside to drive the bidirectional screw 902 to rotate, so that the two movable plates 906 move with the N sub-plates 907 relatively close to each other. After the two N sub-plates 907 clamp the signal board 4, turn the two movable bolts 2 909 to drive the threaded rod 908 to rotate. The two clamping plates 910 push the clamping pads 911 downward to squeeze and fix them on the signal board 4, and the signal board 4 is fixed. Fix, connect the pin 17 on the signal board 4 to the corresponding wiring port 16 on the display board 6, then place the power board 5 equipped with multiple electrical components on the positioning column 7 through four positioning screws 8, use four internal threaded rings 13 to tighten on the positioning screws 8, complete the pressing and fixing of the power board 5, connect the pin 17 on the power board 5 to the corresponding wiring port 16 on the display board 6, and finally fix the cover 2 to the casing 1 through the fixing bolts 12. At this time, the fixing plate 14 limits the display board 6, and the extrusion pad 15 completes the extrusion and fixation of the display board 6, and the assembly of the equipment is completed.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A digital display meter that is easy to install in a modular manner, comprising a housing (1) having a slotted right end, characterized in that: A sealing cover (2) is arranged inside the upper end of the casing (1); a mounting plate (3) is fixedly installed on the inner bottom of the casing (1); four positioning columns (7) are symmetrically fixedly installed on the upper end of the mounting plate (3); a positioning screw (8) is fixedly installed on the upper end of each positioning column (7); a display panel (6) is arranged at the right inner end of the casing (1); a signal panel (4) and a power panel (5) are arranged above the mounting plate (3); four through holes (10) corresponding to the positioning columns (7) are opened on the signal panel (4); four through holes (11) corresponding to the positioning screws (8) are opened on the power panel (5); and an auxiliary fixing mechanism (9) for fixing the signal panel (4) is arranged on the mounting plate (3); The auxiliary fixing mechanism (9) comprises an inner groove (901) and a bidirectional screw (902); the inner side of the mounting plate (3) is provided with an inner groove (901), and the bidirectional screw (902) is rotatably mounted in the inner groove (901).

2. The digital display meter that is easy to install modularly according to claim 1, characterized in that: The auxiliary fixing mechanism (9) further comprises a movable groove (903) and a movable bolt (904); the left end of the housing (1) and the mounting plate (3) is provided with a movable groove (903) connected to the inner groove (901); a movable bolt (904) is arranged in the movable groove (903); and the movable bolt (904) is fixedly connected to the bidirectional screw (902).

3. The digital display meter that is easy to install modularly according to claim 1, characterized in that: The auxiliary fixing mechanism (9) also includes a through slot (905), a movable plate (906) and an N sub-plate (907); through slots (905) communicating with the inner slot (901) are provided on both sides of the upper end of the mounting plate (3); the movable plates (906) are symmetrically threadedly connected to the outer sides of the two ends of the bidirectional screw (902); the upper ends of the two movable plates (906) pass through the corresponding through slots (905) and are fixedly mounted with the N sub-plates (907).

4. The digital display meter that is easy to install modularly according to claim 3, characterized in that: The auxiliary fixing mechanism (9) also includes a threaded rod (908), a movable bolt (909), a clamping plate (910) and a clamping pad (911). The threaded rod (908) is rotatably installed between the two N sub-plates (907) and the corresponding movable plates (906). The two N sub-plates (907) are movably provided with movable bolts (909) passing through them, and the lower end of the movable bolt (909) is fixedly connected to the threaded rod (908). The outer sides of the two threaded rods (908) are threadedly connected with clamping plates (910), and the lower ends of the two clamping plates (910) are fixedly installed with clamping pads (911).

5. The digital display meter that is easy to install modularly according to claim 1, characterized in that: The sealing cover (2) is fixedly mounted on the casing (1) by means of four sets of fixing bolts (12), and the outer side of the upper end of each positioning screw (8) is threadedly connected to an internal thread ring (13).

6. The digital display meter that is easy to install modularly according to claim 1, characterized in that: A fixing plate (14) is fixedly mounted on the right side of the lower end of the cover (2), and a pressing pad (15) is fixedly mounted on the bottom of the cover (2) and on the right side of the fixing plate (14).

7. The digital display meter that is easy to install modularly according to claim 1, characterized in that: Two groups of wiring ports (16) are arranged on the left end surface of the display panel (6), and plug pins (17) are respectively arranged on the signal panel (4) and the power panel (5), and the two groups of plug pins (17) are respectively connected to the corresponding wiring ports (16).

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