Moisture-proof electrical instrument

Abstract

The utility model relates to the technical field of electrical instruments and meters, and discloses a moisture-proof electrical instrument and meter which comprises an electrical instrument body, the back face of the electrical instrument body is provided with an opening, the outer walls of the two sides of the electrical instrument body are fixedly connected with limiting columns respectively, and the two sides of the electrical instrument body are provided with side plates respectively. The electric instrument comprises an electric instrument body, a cleaning structure is arranged on the electric instrument body and comprises a movable rod, a dustproof plate is detachably connected to the back face of the electric instrument body, a ventilation opening is formed in the back face of the dustproof plate, and limiting columns are fixedly connected to the two sides of the electric instrument body respectively. According to the utility model, after dust is removed through the ventilation openings formed in the dustproof plate, air circulation is smoother, damp air can be prevented from being accumulated in the instrument through good air circulation, the relative humidity in the instrument can be reduced through the ventilation openings after dust is removed, dust is reduced, and the instrument has the characteristic of adsorbing moisture.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrician's instrument and meter technical field especially relates to a kind of moisture-proof electrician's instrument and meter. BACKGROUND

[0002] Electrician's instrument is the general term of technical tool required in the process of electromagnetic measurement. The classification of commonly used electrician's instrument includes: indicating instrument, comparison instrument, digital instrument, round-robin detection device, recording instrument and oscilloscope, extended range device and transducer.

[0003] Through the retrieval, China patent publication No. CN216870619U discloses a kind of electrician's instrument and meter with good moisture-proof performance, including instrument main body and bottom plate located at the bottom of instrument main body, instrument main body bottom is provided with placing plate, placing plate upper surface is provided with placing groove, instrument main body bottom is placed in placing groove, placing plate bottom is fixed with connecting column, the utility model has the beneficial effects that: by setting placing plate on the bottom of instrument main body, placing groove is opened on placing plate, instrument main body is placed in placing groove, water flow can be shielded by placing plate, avoid water flow to flow into the inside of instrument main body when using on table top, good moisture-proof effect;By setting bottom plate, bottom plate and placing plate are connected by connecting seat and connecting column, the height of instrument main body is raised by bottom plate, improve the moisture-proof performance of instrument main body;Mounting groove is opened on bottom plate, dry fan is installed in mounting groove, dry fan blows wind to instrument main body through air vent on placing plate, can dry instrument main body, good moisture-proof effect.

[0004] The existing technology is prone to accumulate dust in the process of using, when the air vent is blocked by dust and cannot be cleaned, the air circulation is seriously hindered, and the dust accumulated in the air vent that cannot be cleaned will continuously absorb moisture in the air, which will also expose the internal electronic components of the electrician's instrument to a humid environment, increasing the possibility of moisture damage. Therefore, a kind of moisture-proof electrician's instrument is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of moisture-proof electrician's instrument, to improve the problem that the dust accumulated in the air vent cannot be cleaned in the prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A damp-proof electrical instrument, including electrical instrument main part, the back of electrical instrument main part is provided with, the both sides outer wall of electrical instrument main part is fixedly connected with the limiting post respectively, the both sides of electrical instrument main part are provided with the side plate respectively, the cleaning structure is provided on electrical instrument main part, the cleaning structure includes movable rod, the back of electrical instrument main part is detachably connected with dustproof board, the back of dustproof board is provided with ventilation opening, the both sides of electrical instrument main part are fixedly connected with the limiting post respectively, the movable rod is provided with sliding hole, and the surface of movable rod is slidably connected with the limiting post through sliding hole.

[0007] As a further description of the above technical scheme: the back of movable rod is fixedly connected with the tooth, the both sides inner walls of side plate are respectively rotatably connected with two-way threaded rod through bearing, the surface opposite screw thread of two-way threaded rod is respectively threadedly provided with sliding block, the front of sliding block is respectively fixedly connected with cleaning brush, the smooth surface of two-way threaded rod is respectively fixedly provided with two driven gears, and the back of movable rod is engaged with driven gear through tooth.

[0008] As a further description of the above technical scheme: the limiting structure is arranged between the side plate and electrical instrument main part, the limiting structure includes limiting strip, the both sides inner walls of side plate are respectively fixedly connected with limiting strip, the bottom of side plate is fixedly connected with base, the adjacent side of side plate is respectively fixedly connected with, the both sides outer walls of electrical instrument main part are respectively fixedly connected with limiting block, the limiting block is arranged in cooperation with limiting strip, the top of base is respectively fixedly connected with two spring dampers, and the bottom of spring damper is fixedly connected with the bottom of electrical instrument main part.

[0009] As a further description of the above technical scheme: the shape of limiting block is " T " character, the shape of limiting strip is " concave " character, and the adjacent side of limiting block and limiting strip is contacted and slidably connected, the limiting block is slid on the inside of limiting strip, and the electrical instrument main part can be limited.

[0010] As a further description of the above technical scheme: the four corners of dustproof board are respectively provided with threaded hole, the back of electrical instrument main part is provided with threaded groove, and dustproof board is respectively connected with threaded hole and threaded groove through bolt, the installation mode of threaded connection is adopted, and dustproof board is conveniently disassembled or installed.

[0011] As a further description of the above technical scheme: the bottom of base is fixedly connected with rubber pad, the friction between base and ground can be increased through the rubber pad, so that the device is placed in the process and plays a stabilizing role.

[0012] As a further description of the above technical solutions: the cleaning brush is in strip shape, and the cleaning brush is in contact with one side of the dustproof plate adjacent to the dustproof plate, and the cleaning brush is used to clean the dustproof plate by moving close to or away from each other.

[0013] As a further description of the above technical solutions: the top end of the movable rod is fixedly connected with a handle, and the surface of the handle is fixedly sleeved with a rubber sleeve, so that the handle is convenient for carrying the electrician instrument body, and the rubber sleeve improves the comfort when the electrician instrument body is carried.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. The cleaning structure is arranged, the movable rod moves up and down, the cleaning brush is driven to move close to or away from each other, dust adhered to the surface of the dustproof plate is cleaned, the air flow is smoother after the dust in the vent hole of the dustproof plate is cleaned, good air flow can prevent humid air from accumulating in the instrument, the vent hole after cleaning helps to reduce the relative humidity in the instrument, and dust has the characteristics of absorbing moisture.

[0016] 2. The limiting structure is arranged, the limiting block slides up and down on the inner side of the limiting strip, the electrician instrument body is limited, and in the carrying process, the electrician instrument body is extruded by the spring damper, when the electrician instrument body is suddenly impacted by external force, the spring damper can absorb impact energy through compression and stretching of the spring, and damage of impact to the equipment is reduced. DRAWINGS

[0017] Figure 1 A front view of the moisture-proof electrician instrument is provided.

[0018] Figure 2 A back view of the moisture-proof electrician instrument is provided.

[0019] Figure 3 A schematic view of the cleaning structure and the limiting structure of the moisture-proof electrician instrument is provided.

[0020] LEGEND:

[0021] 1. Base; 2. Rubber pad; 3. Side plate; 4. Electrician instrument body; 5. Rubber sleeve; 6. Cleaning structure; 601. Dustproof plate; 602. Vent hole; 603. Tooth; 604. Driven gear; 605. Two-way threaded rod; 606. Sliding block; 607. Cleaning brush; 608. Movable rod; 609. Slide hole; 7. Limiting structure; 701. Spring damper; 702. Limiting strip; 703. Limiting block. DETAILED DESCRIPTION

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1-2 This utility model provides an embodiment of a moisture-proof electrical instrument, comprising an electrical instrument body 4, an opening on the back of the electrical instrument body 4, limit posts fixedly connected to the outer walls of both sides of the electrical instrument body 4, side plates 3 on both sides of the electrical instrument body 4, a cleaning structure 6 on the electrical instrument body 4, the cleaning structure 6 including a movable rod 608, a dustproof plate 601 detachably connected to the back of the electrical instrument body 4, threaded holes at the four corners of the dustproof plate 601, and threaded grooves on the back of the electrical instrument body 4, the dustproof plate 601 being connected to the threaded plates by bolts. The installation method using threaded connections (holes and grooves) facilitates the disassembly and installation of the dustproof plate 601. A ventilation opening 602 is provided on the back of the dustproof plate 601. Limiting posts are fixedly connected to both sides of the electrical instrument body 4. A sliding hole 609 is provided on the movable rod 608, which contacts and slides with the surface of the limiting post through the sliding hole 609. A handle is fixedly connected to the top of the movable rod 608, and a rubber sleeve 5 is fixedly fitted onto the surface of the handle. The handle facilitates carrying the electrical instrument body 4, and the rubber sleeve 5 improves comfort when carrying the electrical instrument body 4.

[0024] Reference Figures 2-3 The back of the movable rod 608 is fixedly connected with teeth 603. The inner walls of both sides of the side plate 3 are rotatably connected with bidirectional threaded rods 605 through bearings. Slider 606 is threadedly fitted at the opposite threads on the surface of the bidirectional threaded rods 605. Cleaning brushes 607 are fixedly connected to the front of the sliders 606. Two driven gears 604 are fixedly fitted at the smooth surface of the bidirectional threaded rods 605. The back of the movable rod 608 meshes with the driven gears 604 through teeth 603. The cleaning brushes 607 are strip-shaped and contact the side of the dustproof plate 601 adjacent to it. The cleaning brushes 607 can clean the dustproof plate 601 by moving closer or further apart.

[0025] Reference Figure 3The side plate 3 is provided with a limiting structure 7 between the electrical instrument body 4, the limiting structure 7 comprises a limiting strip 702, the limiting strip 702 is fixedly connected to the inner wall of the two sides of the side plate 3 respectively, the bottom of the side plate 3 is fixedly connected with the base 1, the bottom of the base 1 is fixedly connected with the rubber pad 2, the rubber pad 2 can increase the friction between the base 1 and the ground, so that the device can be placed in the process of playing a stable role, at the same time, the setting of the base 1 and the side plate 3 can lift the electrical instrument body 4, which can play a role in preventing the electrical instrument body 4 from being damp, the side plate 3 is fixedly connected with the limiting block 703 respectively, the outer wall of the two sides of the electrical instrument body 4 is fixedly connected with the limiting block 703 respectively, the limiting block 703 is arranged in cooperation with the limiting strip 702, the top of the base 1 is fixedly connected with two spring dampers 701 respectively, the top of the spring damper 701 is fixedly connected with the bottom of the electrical instrument body 4, the shape of the limiting block 703 is "T" shape, the limiting strip 702 is "concave" shape, the side of the limiting block 703 and the limiting strip 702 is in contact and sliding connection, the limiting block 703 is arranged in the inside of the limiting strip 702, which can play a limiting role on the electrical instrument body 4.

[0026] Working principle: the installation mode of threaded connection is adopted, the dustproof plate 601 can be conveniently disassembled or installed, the ventilation opening 602 formed in the dustproof plate 601 plays a role in ventilating the inside of the electrical instrument body 4, the movable rod 608 moves up and down, since the teeth 603 on the back of the movable rod 608 is engaged with the driven gear 604, the movable rod 608 drives the driven gear 604 to rotate, the driven gear 604 drives the bidirectional threaded rod 605 to rotate, the bidirectional threaded rod 605 drives the sliding block 606 to move in the process of rotating, the cleaning brush 607 moves on the dustproof plate 601, which can play a limiting role on the sliding block 606, so that the cleaning brush 607 moves close to or away from each other, so as to clean the dust attached to the surface of the dustproof plate 601; the limiting block 703 slides up and down in the inside of the limiting strip 702, which can play a limiting role on the electrical instrument body 4, at the same time, in the process of carrying, the electrical instrument body 4 can be extruded by the spring damper 701, when the electrical instrument body 4 is suddenly impacted by external force, the spring damper 701 can absorb impact energy through compression and stretching of the spring, reducing the damage of impact to the equipment.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A moisture-proof electrical instrument, comprising an electrical instrument main body (4), characterized by: The back of the electrician's instrument body (4) is provided with an opening, and the two side walls of the electrician's instrument body (4) are respectively fixedly connected with a limiting column, and the two sides of the electrician's instrument body (4) are respectively provided with a side plate (3), and the electrician's instrument body (4) is provided with a cleaning structure (6), the cleaning structure (6) comprises a movable rod (608), and the back of the electrician's instrument body (4) is detachably connected with a dustproof plate (601), and the back of the dustproof plate (601) is provided with a ventilation opening (602), and the two sides of the electrician's instrument body (4) are respectively fixedly connected with a limiting column, and the movable rod (608) is provided with a sliding hole (609), and the movable rod (608) is in surface contact and sliding connection with the limiting column through the sliding hole (609).

2. A moisture-proof electrical instrument according to claim 1, characterized in that: The back of the movable rod (608) is fixedly connected with a tooth (603), the two side walls of the side plate (3) are respectively rotatably connected with a bidirectional threaded rod (605) through a bearing, the surface opposite threads of the bidirectional threaded rod (605) are respectively threadedly sleeved with a sliding block (606), the front surface of the sliding block (606) is respectively fixedly connected with a cleaning brush (607), and the smooth surface of the bidirectional threaded rod (605) is respectively fixedly sleeved with two driven gears (604), and the back of the movable rod (608) is meshed with the driven gears (604) through the tooth (603).

3. The moisture-proof electrical instrument according to claim 1, characterized in that: The side plate (3) and the electrician's instrument body (4) are provided with a limiting structure (7), the limiting structure (7) comprises a limiting strip (702), the limiting strip (702) is fixedly connected to the two side walls of the side plate (3), the bottom of the side plate (3) is fixedly connected with a base (1), the adjacent side of the side plate (3) is respectively fixedly connected with a limiting strip (702), the two side walls of the electrician's instrument body (4) are respectively fixedly connected with a limiting block (703), the limiting block (703) is matched with the limiting strip (702), and the top of the base (1) is respectively fixedly connected with two spring dampers (701), and the top of the spring damper (701) is fixedly connected with the bottom of the electrician's instrument body (4).

4. The moisture-proof electrical instrument according to claim 3, characterized in that: The limiting block (703) is in the shape of "T", the limiting strip (702) is in the shape of "concave", and the limiting block (703) and the limiting strip (702) are in contact and sliding connection.

5. The moisture-proof electrical instrument according to claim 1, wherein: The four corners of the dustproof plate (601) are respectively provided with threaded holes, and the back of the electrician's instrument body (4) is provided with a threaded groove, and the dustproof plate (601) is respectively screwed with the threaded holes and the threaded groove.

6. A moisture-proof electrical instrument according to claim 3, wherein: The bottom of the base (1) is fixedly connected with a rubber pad (2).

7. The moisture-proof electrical instrument according to claim 2, wherein: The cleaning brush (607) is in the shape of a strip, and the adjacent side of the cleaning brush (607) and the dustproof plate (601) is in contact.

8. The moisture-proof electrical instrument according to claim 1, wherein: The top end of the movable rod (608) is fixedly connected with a handle, and the surface of the handle is fixedly sleeved with a rubber sleeve (5).

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