Electric quantity monitoring instrument convenient to disassemble and assemble

Abstract

The electric quantity monitoring instrument comprises a shell and a top cover, a through hole is formed in the top cover, a display screen is inserted into the through hole, a limiting frame is fixedly installed at the bottom end of the display screen, a plurality of fixing frames are fixedly installed at the bottom end of the limiting frame, and a plurality of blocking rods are connected to the positions, located on the front portion and the rear portion of the limiting frame, in the top cover in a damping mode. A plurality of stop levers are respectively clamped in the corresponding limiting frames, a plurality of inserting rods are fixedly mounted at the inner top end of the top cover and located on the outer sides of the limiting frames, a control mainboard is arranged at the inner bottom end of the shell, a plurality of connecting frames are fixedly mounted on the outer side of the control mainboard, the corresponding inserting rods are respectively sleeved with the connecting frames, and a plurality of inserting holes are formed in the inner bottom end of the shell. According to the electric quantity monitoring instrument convenient to disassemble and assemble, the shell, the top cover, the display screen and the control mainboard can be quickly disassembled and assembled, the assembly efficiency is improved, subsequent disassembly and maintenance are facilitated, and meanwhile the problem that equipment is damaged due to the fact that bolts are adopted for assembly traditionally, and screws are prone to being twisted excessively during installation can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle accessories, in particular to an electric quantity monitoring instrument which is easy to disassemble and assemble. Background Art

[0002] An electric vehicle is a type of transportation vehicle that is driven by an electric motor. It is powered by energy storage devices such as batteries and can travel without human intervention. It is widely used due to its simple driving operation and low cost. The power monitoring instrument is an indispensable accessory on electric vehicles. Its main function is to display the power, speed and mileage of the electric vehicle.

[0003] Most of the existing power monitoring meters are composed of a shell, a cover, a display screen and an integrated circuit board, wherein the shell and the cover are mostly connected and assembled with multiple bolts. During the installation and disassembly process of this connection method, it is necessary to carry external tools to tighten multiple bolts in sequence. The disassembly and assembly steps are cumbersome and time-consuming, the assembly efficiency is low, and it is not conducive to disassembly and maintenance. During the assembly process, the bolts are often over-tightened to damage the equipment, resulting in the problem of being unable to be disassembled and assembled normally.

[0004] Therefore, we propose an electric quantity monitoring instrument which is easy to disassemble and assemble. Utility Model Content

[0005] The purpose of the utility model is to provide an electric quantity monitoring instrument which is easy to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric quantity monitoring instrument that is easy to disassemble and assemble, comprising a shell and a top cover, a through hole is opened on the top cover, a display screen is inserted in the through hole, a limit frame is fixedly installed at the bottom end of the display screen, a plurality of fixed frames are fixedly installed at the bottom end of the limit frame, a plurality of baffles are dampingly connected at the front and rear parts of the limit frame in the top cover, and the plurality of baffles are respectively clamped in the corresponding limit frames, a plurality of plug rods are fixedly installed at the top end of the top cover located on the outside of the limit frame, a control main board is arranged at the bottom end of the shell, a plurality of connecting frames are fixedly installed on the outside of the control main board, and the plurality of connecting frames are respectively sleeved on the corresponding plug rods, a plurality of jacks are arranged at the bottom end of the shell, the bottom ends of the plurality of plug rods extend into the jacks, a groove is arranged at the bottom end of the shell, two slides are slidably connected in the groove, a plurality of springs are fixedly installed between the two slides, a plurality of fixing rods are fixedly installed on the side away from each other of the two slides, and the plurality of fixing rods extend into the corresponding plug rods respectively.

[0007] Optionally, a pull ring is fixedly installed on one side of the two slides close to each other, and the two pull rings are arranged between a plurality of springs. This design is convenient for the use of the device.

[0008] Optionally, the plurality of jacks are arranged on the outside of the groove. Such a design is convenient for use of the device.

[0009] Optionally, card holders are fixedly installed on both sides of the control mainboard in the shell, and a card rack is inserted into the card holder, so that the control mainboard can be limited by the card rack.

[0010] Optionally, the card frame is configured to be U-shaped, and the top end of the card frame is against the bottom end of the limiting frame. This design is beneficial to the use of the device.

[0011] Optionally, the plurality of limit frames are all configured to be L-shaped, and such a design is beneficial to the use of the device.

[0012] Optionally, the control main board and the display screen are electrically connected via a connecting wire, a plug and a socket. This design facilitates the use of the device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the cooperation of perforations, connecting frames, plug-in rods, limit frames, fixing frames, baffles, slide plates, springs, jacks and fixing rods, the shell, top cover, display screen and control main board can be quickly disassembled and assembled, which not only improves the assembly efficiency but also facilitates subsequent disassembly and maintenance. At the same time, it can avoid the problem of traditional bolt assembly, which may cause damage to the equipment due to excessive tightening of the screws during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an electric quantity monitoring instrument that is easy to disassemble and assemble according to the utility model;

[0016] Figure 2 This is a cross-sectional view of an electric quantity monitoring instrument that is easy to disassemble and assemble according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a limit frame in an electric quantity monitoring instrument that is easy to disassemble and assemble according to the utility model;

[0018] Figure 4 The utility model is a cross-sectional view of a fixing rod in an electric quantity monitoring instrument which is easy to disassemble and assemble.

[0019] In the figure: 1. shell; 2. top cover; 3. perforation; 4. display screen; 5. card holder; 6. card holder; 7. control main board; 8. connecting frame; 9. plug rod; 10. limit frame; 11. fixing frame; 12. stop rod; 13. groove; 14. slide plate; 15. spring; 16. jack; 17. fixing rod; 18. pull ring. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 The utility model provides an electric quantity monitoring instrument which is easy to disassemble and assemble, including a shell 1 and a top cover 2. A through hole 3 is opened on the top cover 2, and a display screen 4 is inserted in the through hole 3. A limit frame 10 is fixedly installed at the bottom end of the display screen 4, and a plurality of fixed frames 11 are fixedly installed at the bottom end of the limit frame 10. A plurality of baffle bars 12 are connected to the damping of the front and rear parts of the limit frame 10 in the top cover 2. The plurality of baffle bars 12 are respectively clamped in the corresponding limit frames 10. A plurality of plugging rods 9 are fixedly installed at the top end of the top cover 2 on the outside of the limit frame 10. The bottom end of the shell 1 is provided with There is a control main board 7, and a plurality of connecting frames 8 are fixedly installed on the outer side of the control main board 7. The plurality of connecting frames 8 are respectively sleeved on the corresponding plug rods 9. A plurality of plug holes 16 are arranged at the bottom end of the shell 1. The bottom ends of the plurality of plug rods 9 extend into the plug holes 16. A groove 13 is arranged at the bottom end of the shell 1. Two slide plates 14 are slidably connected in the groove 13. A plurality of springs 15 are fixedly installed between the two slide plates 14. A plurality of fixing rods 17 are fixedly installed on the side of the two slide plates 14 away from each other. The plurality of fixing rods 17 extend into the corresponding plug rods 9 respectively.

[0022] A pull ring 18 is fixedly installed on one side of the two slides 14 close to each other, and the two pull rings 18 are arranged between multiple springs 15. This design is conducive to the use of the device. Multiple jacks 16 are arranged outside the groove 13. This design is conducive to the use of the device. A card holder 5 is fixedly installed on both sides of the control main board 7 in the shell 1. A card holder 6 is inserted in the card holder 5. The control main board 7 can be limited by the card holder 6. The card holder 6 is set to a U shape, and the top of the card holder 6 is against the bottom of the limit frame 10. This design is conducive to the use of the device. Multiple limit frames 10 are set to an L shape. This design is conducive to the use of the device. The control main board 7 and the display screen 4 are electrically connected through connecting wires, plugs and sockets. This design is conducive to the use of the device.

[0023] Working principle: when in use, extend the display screen 4 from the perforation 3 out of the top cover 2, and then rotate the multiple blocking rods 12 respectively, so that the multiple blocking rods 12 are respectively clamped in the corresponding fixing frames 11, so that the limit frame 10 and the display screen 4 can be limited, and then the card frame 6 is inserted into the card seat 5 to position the control main board 7, and the pull ring 18 is used to pull the two slides 14 toward each other. The side, and then the multiple insertion rods 9 pass through the multiple connecting frames 8 and insert them into the jacks 16, and the pull ring 18 is released. At this time, the spring 15 drives the slide plate 14 back to its original position, so that the multiple fixing rods 17 extend to the corresponding insertion rods 9, and the assembly is completed. The above principle can also be used to quickly disassemble the device. This kind of power monitoring instrument that is easy to disassemble and assemble is easy to use. The shell 1, top cover 2, display screen 4 and control main board 7 can be quickly disassembled and assembled through the above components, which not only improves the assembly efficiency, but also facilitates subsequent disassembly and maintenance. At the same time, it can avoid the problem of traditional bolt assembly, which is easy to damage the equipment due to excessive screw rotation during installation.

[0024] 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. An electric quantity monitoring instrument that is easy to disassemble and assemble, characterized in that: The invention comprises a shell (1) and a top cover (2), wherein a through hole (3) is provided on the top cover (2), a display screen (4) is inserted into the through hole (3), a limit frame (10) is fixedly installed at the bottom end of the display screen (4), a plurality of fixing frames (11) are fixedly installed at the bottom end of the limit frame (10), a plurality of blocking rods (12) are dampingly connected at the front and rear parts of the limit frame (10) in the top cover (2), the plurality of blocking rods (12) are respectively clamped in the corresponding limit frames (10), a plurality of plugging rods (9) are fixedly installed at the top end of the top cover (2) on the outside of the limit frame (10), a control main board (7) is arranged at the bottom end of the shell (1), and the control main board (7) is fixedly installed at the bottom end of the shell (1). A plurality of connecting frames (8) are fixedly mounted on the outer side of the control main board (7), and the plurality of connecting frames (8) are respectively sleeved on the corresponding insertion rods (9). A plurality of insertion holes (16) are arranged at the bottom end of the shell (1), and the bottom ends of the plurality of insertion rods (9) extend into the insertion holes (16). A groove (13) is arranged at the bottom end of the shell (1), and two slide plates (14) are slidably connected in the groove (13). A plurality of springs (15) are fixedly mounted between the two slide plates (14). A plurality of fixing rods (17) are fixedly mounted on the sides of the two slide plates (14) away from each other, and the plurality of fixing rods (17) extend into the corresponding insertion rods (9) respectively.

2. The easily disassembled electric quantity monitoring instrument according to claim 1 is characterized in that: A pull ring (18) is fixedly mounted on one side of the two slide plates (14) close to each other, and the two pull rings (18) are arranged between a plurality of springs (15).

3. The easily disassembled electric quantity monitoring instrument according to claim 1 is characterized in that: The plurality of insertion holes (16) are all arranged outside the groove (13).

4. The easily disassembled electric quantity monitoring instrument according to claim 1 is characterized in that: A card holder (5) is fixedly installed on both sides of the control main board (7) in the housing (1), and a card holder (6) is inserted into the card holder (5).

5. The easily disassembled electric quantity monitoring instrument according to claim 4 is characterized in that: The card frame (6) is arranged in a U shape, and the top end of the card frame (6) abuts against the bottom end of the limiting frame (10).

6. The easily disassembled electric quantity monitoring instrument according to claim 1 is characterized in that: The plurality of limiting frames (10) are all arranged in an L shape.

7. The easily disassembled electric quantity monitoring instrument according to claim 1, characterized in that: The control mainboard (7) and the display screen (4) are electrically connected via a connecting wire, a plug and a socket.

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