Universal meter for electrical engineering

Abstract

The utility model belongs to the technical field of multimeters, and particularly relates to an electrical engineering multimeter. The electric engineering universal meter comprises a body, a measuring line, a measuring pen, a storage bin, a fixing piece and a pen point sleeve, one end of the measuring line is connected with the body, and the other end of the measuring line is connected with the measuring pen; the storage bin is used for storing the measuring line and comprises a bottom plate and an arc-shaped cover plate which are oppositely arranged, the fixed end of the bottom plate is fixedly arranged on the peripheral side of the body, the fixed end of the arc-shaped cover plate is rotationally connected with the body, the free end of the arc-shaped cover plate is selectively connected with the free end of the bottom plate, and the arc-shaped cover plate and the bottom plate form a storage space for storing the measuring line; the fixing piece is used for fixing the measuring pen; the pen point sleeve and the fixing piece are correspondingly arranged, and the pen point of the measuring pen can stretch into the pen point sleeve. The storage space of the storage bin can protect the measuring line and prevent the measuring line from smudging and cracking, the pen point sleeve can protect the pen point of the measuring pen and prevent the measuring pen from being damaged, and the service life of the measuring line and the service life of the measuring pen are prolonged.

Description

Technical Field

[0001] The utility model relates to the field of multimeters, in particular to an electrical engineering multimeter. Background Art

[0002] A multimeter, also known as a multiplexer, multimeter, three-meter and complex meter, is an indispensable measuring instrument in the power electronics and other departments. The multimeter is equipped with measuring lines and measuring pens, and its main purpose is generally to measure voltage, current and resistance.

[0003] In the prior art, a wire slot and a pen slot are usually provided on the multimeter body to accommodate and protect the measuring wire and the measuring pen; however, this storage method has a complex structure and cannot effectively protect the measuring wire and the measuring pen, especially the pen tip of the measuring ratio. The measuring wire is easily dirty or cracked, and the pen tip of the measuring pen is easily bumped and damaged. Utility Model Content

[0004] The utility model aims to provide an electrical engineering multimeter to solve the problems in the prior art that the wire slot and the pen slot are not fully enclosed, the measuring wire is easily dirty or cracked, and the pen tip of the measuring pen is easily bumped and damaged, thereby increasing the service life of the measuring wire and the measuring pen.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Electrical engineering multimeter, including:

[0007] A main body, a measuring line, a measuring pen, a storage bin, a fixing part and a pen tip cover, wherein one end of the measuring line is connected to the main body, and the other end is connected to the measuring pen; the storage bin is used to store the measuring line, and the storage bin comprises a bottom plate and an arc-shaped cover plate which are arranged opposite to each other, the fixed end of the bottom plate is fixedly arranged on the peripheral side of the main body, the fixed end of the arc-shaped cover plate is rotatably connected to the main body, the free end of the arc-shaped cover plate can be selectively connected to the free end of the bottom plate, and the arc-shaped cover plate and the bottom plate form a storage space for storing the measuring line; the fixing part is used to fix the measuring pen; the pen tip cover is arranged corresponding to the fixing part, and the pen tip of the measuring pen can be inserted into the pen tip cover.

[0008] As an optional technical solution for an electrical engineering multimeter, a rotating shaft is provided at the fixed end of the arc-shaped cover plate, a shaft sleeve is provided on the main body, and the rotating shaft and the shaft sleeve are rotatably matched to rotatably set the arc-shaped cover plate on the main body.

[0009] As an optional technical solution for an electrical engineering multimeter, a first clamping block is provided at the free end of the arc-shaped cover plate, and a sliding component is provided at the position of the free end of the base plate corresponding to the first clamping block. The sliding component can be selectively snap-connected with the first clamping block to connect or separate the base plate from the arc-shaped cover plate.

[0010] As an optional technical solution for an electrical engineering multimeter, a first slide groove is provided at the free end of the base plate, the sliding assembly is arranged in the first slide groove, and the sliding assembly includes an elastic member and a second clamping block, the elastic member is arranged along the length direction of the first slide groove, the first end of the elastic member abuts against the inner wall of the first slide groove, and the second end of the elastic member abuts against the second clamping block, and the second clamping block can slide along the length direction of the first slide groove; the second clamping block is pushed to compress the elastic member so that the second clamping block is separated from the first clamping block; the second clamping block is released, and the second clamping block slides in a direction close to the first clamping block under the action of the elastic member, and the second clamping block abuts against the first clamping block.

[0011] As an optional technical solution for an electrical engineering multimeter, the sliding assembly also includes a guide rod, the length direction of the guide rod is parallel to the length direction of the first slide groove, the first end of the guide rod abuts against the inner wall of the first slide groove, the second end of the guide rod is protruding, the elastic member and the second clamping block are movably mounted on the outside of the guide rod, and the second clamping block can slide along the length direction of the guide rod.

[0012] As an optional technical solution for an electrical engineering multimeter, a second slide groove is further provided at the free end of the base plate corresponding to the sliding assembly, the second slide groove is connected to the first slide groove, the length direction of the second slide groove is parallel to the length direction of the first slide groove, the sliding assembly also includes a slider slidingly arranged in the second slide groove, the slider passes through the second slide groove and extends to the first slide groove, and the slider is fixedly connected to the second clamping block.

[0013] As an optional technical solution for an electrical engineering multimeter, the base plate is provided with a winding post in the storage space, and at least two winding posts are provided, the two winding posts are spaced apart, and a groove is provided on the winding post, and the measuring wire can be wound around the winding post and the surrounding wall of the groove.

[0014] As an optional technical solution for an electrical engineering multimeter, a flexible fitting piece is arranged between the first fixed flap, the second fixed flap and the measuring pen, and the measuring pen is interference-fitted with the first fixed flap and the second fixed flap through the flexible fitting piece.

[0015] As an optional technical solution for the electrical engineering multimeter, the pen tip cover is interference fit with the pen tip of the measuring pen.

[0016] Beneficial effects of the utility model:

[0017] The utility model provides an electrical engineering multimeter, including a body, a measuring line, a measuring pen, a storage bin, a fixing part and a pen tip cover, wherein one end of the measuring line is connected to the body, and the other end is connected to the measuring pen; the storage bin is used to store the measuring line, and the storage bin includes a bottom plate and an arc-shaped cover plate which are arranged oppositely, the fixing end of the bottom plate is fixedly arranged on the peripheral side of the body, the fixing end of the arc-shaped cover plate is rotatably connected to the body, the free end of the arc-shaped cover plate can be selectively connected to the free end of the bottom plate, and the arc-shaped cover plate and the bottom plate form a storage space for storing the measuring line; the fixing part is used to fix the measuring pen; the pen tip cover is arranged correspondingly to the fixing part, and the pen tip of the measuring pen can be inserted into the pen tip cover. The storage space of the storage bin can protect the measuring line and prevent the measuring line from being dirty and cracked, and the pen tip cover can protect the pen tip of the measuring pen and prevent the measuring pen from being damaged, thereby increasing the service life of the measuring line and the measuring pen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axonometric diagram of an electrical engineering multimeter provided by an embodiment of the utility model;

[0019] Figure 2 This is a partial structural diagram of an electrical engineering multimeter provided by the embodiment of the utility model Figure 1 ;

[0020] Figure 3 It is a schematic diagram of storing an electrical engineering multimeter provided by an embodiment of the utility model;

[0021] Figure 4 This is a partial structural diagram of an electrical engineering multimeter provided by the embodiment of the utility model Figure 2 .

[0022] In the figure:

[0023] 10. Body; 11. Bushing;

[0024] 20. Measurement line;

[0025] 30. Measuring pen;

[0026] 40. Storage bin; 41. Bottom plate; 411. First chute; 412. Second chute; 42. Arc cover plate;

[0027] 50. fixing member; 51. first fixing flap; 52. second fixing flap;

[0028] 60. Pen cap;

[0029] 70. Sliding assembly; 71. Elastic member; 72. Second clamping block; 73. Guide rod; 74. Sliding block;

[0030] 80. Winding post; 81. Groove. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0035] The multimeter is provided with measuring wires and measuring pens, which are generally used to measure voltage, current and resistance. In the prior art, a wire slot and a pen slot are usually provided on the multimeter body to accommodate and protect the measuring wires and the measuring pens. However, the existing wire slots and pen slots are not fully enclosed, so the measuring wires are easily dirty or cracked, and the pen tip of the measuring pen is easily damaged by bumps.

[0036] To solve the above problems, this embodiment provides an electrical engineering multimeter, referring to Figure 1 , Figure 2 and Figure 3 The electrical engineering multimeter includes a body 10, a measuring line 20, a measuring pen 30, a storage bin 40, a fixing member 50 and a pen tip cover 60. One end of the measuring line 20 is connected to the body 10, and the other end is connected to the measuring pen 30; the storage bin 40 is used to store the measuring line 20. The storage bin 40 includes a bottom plate 41 and an arc-shaped cover plate 42 that are arranged opposite to each other. The fixed end of the bottom plate 41 is fixedly arranged on the peripheral side of the body 10, the fixed end of the arc-shaped cover plate 42 is rotatably connected to the body 10, the free end of the arc-shaped cover plate 42 can be selectively connected to the free end of the bottom plate 41, and the arc-shaped cover plate 42 and the bottom plate 41 form a storage space for storing the measuring line 20; the fixing member 50 is used to fix the measuring pen 30; the pen tip cover 60 is arranged corresponding to the fixing member 50, and the pen tip of the measuring pen 30 can be inserted into the pen tip cover 60. The storage space of the storage bin 40 can protect the measuring line 20 and prevent the measuring line 20 from being dirty and cracked. The pen tip cover 60 can protect the pen tip of the measuring pen 30 and prevent the measuring pen 30 from being damaged, thereby increasing the service life of the measuring line 20 and the measuring pen 30.

[0037] In this embodiment, the arc cover plate 42 is formed by two mutually perpendicular straight plates and an arc plate that are integrally connected, and the arc plate is arranged between the two straight plates; a docking plate is also arranged at the free end of the base plate 41, and the docking plate is perpendicular to the base plate 41, and the end of the straight plate is connected to the end of the docking plate. The inner wall of the arc cover plate 42 and the inner wall of the base plate 41 and the docking plate are jointly arranged to form a storage bin 40. When the arc cover plate 42 is connected to the docking plate, it can protect the measuring line 20 and prevent the measuring line 20 from becoming dirty and cracked.

[0038] Furthermore, a rotating shaft is provided at the free end of the arc-shaped cover plate 42, and a shaft sleeve 11 is provided on the body 10, and the rotating shaft and the shaft sleeve 11 are rotatably matched to rotatably set the arc-shaped cover plate 42 on the body 10. In other embodiments, two shaft rings coaxial with the shaft sleeve 11 can be provided on the arc-shaped cover plate 42, and the two shaft rings are placed at both ends of the shaft sleeve 11, and the rotating shaft passes through one of the shaft rings, the shaft sleeve 11 and the other shaft ring, so that the arc-shaped cover plate 42 is rotatably set on the body 10.

[0039] Furthermore, a first snap-in block is provided at the free end of the arc-shaped cover plate 42, and a sliding assembly 70 is provided at a position corresponding to the base plate 41 and the first snap-in block. The sliding assembly 70 can be selectively snap-connected with the first snap-in block to connect or separate the base plate 41 and the arc-shaped cover plate 42.

[0040] Specifically, see Figure 4The first clamping block 77 is pressed against the locking plate 74 when the locking plate 72 is in the unlocked position, and the locking plate 73 is in the unlocked position when the locking plate 72 is in the unlocked position.

[0041] Furthermore, the sliding assembly 70 further includes a guide rod 73, the length direction of the guide rod 73 is parallel to the length direction of the first slide groove 411, the first end of the guide rod 73 abuts against the inner wall of the first slide groove 411, the second end of the guide rod 73 is protruding, the elastic member 71 and the second clamping block 72 are movably sleeved on the outside of the guide rod 73, and the second clamping block 72 can slide along the length direction of the guide rod 73. The guide rod 73 can keep the elastic member 71 compressed and released along the length direction of the first slide groove 411, and the second end of the guide rod 73 and the inner wall of the first slide groove 411 can jointly limit the position of the elastic member 71 to prevent the elastic member 71 from falling off the guide rod 73. Specifically, the first slide groove 411 is provided on the end surface of the docking plate; specifically, the elastic member 71 is provided as a spring.

[0042] Furthermore, the free end of the bottom plate 41 corresponds to the sliding assembly 70 and is further provided with a second slide groove 412, the second slide groove 412 is connected to the first slide groove 411, the length direction of the second slide groove 412 is parallel to the length direction of the first slide groove 411, and the sliding assembly 70 further includes a slider 74 slidably arranged in the second slide groove 412, the slider 74 penetrates the second slide groove 412 and extends to the first slide groove 411, and the slider 74 is fixedly connected to the second clamping block 72. Specifically, the second slide groove 412 is arranged on the front side of the docking plate.

[0043] Furthermore, the bottom plate 41 is provided with a winding post 80 in the storage space, and at least two winding posts 80 are provided, and the two winding posts 80 are arranged at intervals, and a groove 81 is provided on the winding post 80, and the measuring line 20 can be wound around the winding post 80 and the peripheral wall of the groove 81. In this embodiment, two winding posts 80 are provided, which are respectively arranged on both sides of the bottom plate 41; the winding post 80 is set to be cylindrical to prevent the measuring line 20 from being damaged by the edges of the winding post 80 and the groove 81.

[0044] Further, the fixing member 50 includes a first fixing flap 51 and a second fixing flap 52, and the first fixing flap 51 and the second fixing flap 52 are arranged at intervals, and the measuring pen 30 can be clamped in the first fixing flap 51 and the second fixing flap 52 through the interval and have an interference fit with the first fixing flap 51 and the second fixing flap 52. In this embodiment, the end faces of the first fixing flap 51 and the second fixing flap 52 that are close to each other are arranged opposite to each other. In other embodiments, the end faces of the first fixing flap 51 and the second fixing flap 52 that are close to each other can also be staggered.

[0045] Furthermore, a flexible fitting piece is provided between the first fixing flap 51, the second fixing flap 52 and the measuring pen 30, and the measuring pen 30 is interference-fitted with the first fixing flap 51 and the second fixing flap 52 through the flexible fitting piece. In this embodiment, the flexible fitting piece is provided as a rubber gasket.

[0046] Furthermore, to prevent the measuring pen 30 from being separated from the pen tip cover 60, the pen tip cover 60 is interference fit with the pen tip of the measuring pen 30. Specifically, the opening end of the pen tip cover 60 is provided with raised lines, and the pen tip is interference fit with the pen tip cover 60 through the raised lines. In this embodiment, the raised lines are provided as a plurality of spherical convex points arranged at intervals. In other embodiments, the raised lines can be provided as raised lines of rubber material.

[0047] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An electrical engineering multimeter, characterized in that: include: Ontology(10); A measuring line (20) and a measuring pen (30), wherein one end of the measuring line (20) is connected to the body (10), and the other end is connected to the measuring pen (30); A storage bin (40) for storing the measuring line (20), the storage bin (40) comprising a bottom plate (41) and an arc-shaped cover plate (42) arranged opposite to each other, the fixed end of the bottom plate (41) being fixedly arranged on the peripheral side of the body (10), the fixed end of the arc-shaped cover plate (42) being rotatably connected to the body (10), the free end of the arc-shaped cover plate (42) being selectively connectable to the free end of the bottom plate (41), the arc-shaped cover plate (42) and the bottom plate (41) forming a storage space for storing the measuring line (20); A fixing member (50) for fixing the measuring pen (30); A pen tip cover (60) is arranged corresponding to the fixing member (50), and the pen tip of the measuring pen (30) can extend into the pen tip cover (60).

2. The electrical engineering multimeter according to claim 1, characterized in that: A rotating shaft is arranged at the fixed end of the arc-shaped cover plate (42), and a shaft sleeve (11) is arranged on the body (10). The rotating shaft and the shaft sleeve (11) are rotatably matched to rotate the arc-shaped cover plate (42) on the body (10).

3. The electrical engineering multimeter according to claim 1, characterized in that: A first clamping block is arranged at the free end of the arc-shaped cover plate (42), and a sliding assembly (70) is arranged at a position of the free end of the base plate (41) corresponding to the first clamping block, wherein the sliding assembly (70) can be selectively buckled with the first clamping block to connect or separate the base plate (41) and the arc-shaped cover plate (42).

4. The electrical engineering multimeter according to claim 3, characterized in that: A first slide groove (411) is provided at the free end of the bottom plate (41), and the sliding assembly (70) is arranged in the first slide groove (411). The sliding assembly (70) comprises an elastic member (71) and a second clamping block (72). The elastic member (71) is arranged along the length direction of the first slide groove (411), and the first end of the elastic member (71) abuts against the inner wall of the first slide groove (411), and the second end of the elastic member (71) abuts against the second clamping block (72). The second clamping block (72) can slide along the length direction of the first slide groove (411); the second clamping block (72) is pushed to compress the elastic member (71) so that the second clamping block (72) is separated from the first clamping block; the second clamping block (72) is released, and the second clamping block (72) slides in a direction close to the first clamping block under the action of the elastic member (71), and the second clamping block (72) abuts against the first clamping block.

5. The electrical engineering multimeter according to claim 4, characterized in that: The sliding assembly (70) further comprises a guide rod (73), the length direction of the guide rod (73) is parallel to the length direction of the first slide groove (411), the first end of the guide rod (73) abuts against the inner wall of the first slide groove (411), the second end of the guide rod (73) is protruding, the elastic member (71) and the second clamping block (72) are movably sleeved on the outside of the guide rod (73), and the second clamping block (72) can slide along the length direction of the guide rod (73).

6. The electrical engineering multimeter according to claim 4, characterized in that: The free end of the bottom plate (41) is also provided with a second slide groove (412) corresponding to the sliding assembly (70), the second slide groove (412) is connected with the first slide groove (411), the length direction of the second slide groove (412) is parallel to the length direction of the first slide groove (411), the sliding assembly (70) also includes a slider (74) slidably arranged in the second slide groove (412), the slider (74) passes through the second slide groove (412) and extends to the first slide groove (411), and the slider (74) is fixedly connected to the second clamping block (72).

7. The electrical engineering multimeter according to claim 2, characterized in that: The bottom plate (41) is provided with a winding post (80) in the storage space, at least two winding posts (80) are provided, the two winding posts (80) are arranged at intervals, a groove (81) is provided on the winding post (80), and the measuring line (20) can be wound around the winding post (80) and the peripheral wall of the groove (81).

8. The electrical engineering multimeter according to any one of claims 1 to 7, characterized in that: The fixing member (50) comprises a first fixing flap (51) and a second fixing flap (52), wherein the first fixing flap (51) and the second fixing flap (52) are arranged at a distance, and the measuring pen (30) can be clamped in the first fixing flap (51) and the second fixing flap (52) through the distance and can be interference-fitted with the first fixing flap (51) and the second fixing flap (52).

9. The electrical engineering multimeter according to claim 8, characterized in that: A flexible fitting piece is provided between the first fixing flap (51) and the second fixing flap (52) and the measuring pen (30), and the measuring pen (30) is interference-fitted with the first fixing flap (51) and the second fixing flap (52) through the flexible fitting piece.

10. The electrical engineering multimeter according to any one of claims 1 to 7, characterized in that: The pen tip cover (60) is interference fit with the pen tip of the measuring pen (30).

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