CN213581122U

CN213581122U - Voltmeter with circuit protection structure

Info

Publication number: CN213581122U
Application number: CN202022899030.4U
Authority: CN
Inventors: 陈忠良
Original assignee: Shanghai Elite Automation Complete Equipment Co ltd
Current assignee: Shanghai Elite Automation Complete Equipment Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-06-29
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a voltmeter with circuit protection structure, the on-line screen storage device comprises a base, the front bolt of base has the table frame, the inner chamber swing joint of table frame has the movable frame, the front integrated into one piece of movable frame has transparent guard plate, the bottom on the positive right side of base inlays and is equipped with fixed pipe, the inner chamber sliding connection of fixed pipe has the activity post. The utility model discloses a first spring, the guide way, the spacing groove, the cooperation of draw-in groove and fixture block, convenient to use person carries on spacingly to the movable column, make things convenient for the fixed column to drive the fixed block and fix transparent guard plate, prevent that external dust and vapor from getting into inside the voltmeter, cause the voltmeter short circuit, cooperation through seal ring, convenient to use person carries out sealing treatment to movable frame and table frame, prevent to appear the gap between movable frame and the table frame, cause inside dust and vapor get into the voltmeter, the problem that traditional voltmeter does not have circuit protection structure has been solved.

Description

Voltmeter with circuit protection structure

Technical Field

The utility model relates to a voltmeter field specifically is a voltmeter with circuit protection structure.

Background

The voltmeter is an instrument for measuring voltage, and the pointer type voltmeter also adopts a magnetoelectric direct current meter head as an indicator of the measured voltage, when the direct current voltage is measured, the magnetoelectric direct current meter head can be directly or after being amplified or attenuated into a certain amount of direct current to drive the pointer deflection indication of the direct current meter head, when the alternating current voltage is measured, the measured alternating current voltage is firstly converted into direct current voltage proportional to the alternating current voltage through an alternating current and direct current converter, namely a detector, and then the direct current voltage is measured.

The voltmeter is an instrument for measuring voltage, and needs to be connected into a circuit with the voltmeter, the traditional voltmeter does not have a circuit protection structure, the circuit cannot be protected, dust and vapor easily appear and enter the inside of the voltmeter, short circuit inside the voltmeter is caused, the circuit cannot be protected, the voltmeter is easily damaged, the whole circuit is interrupted, and greater economic loss is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltmeter with circuit protection structure is in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltmeter with circuit protection structure, includes the base, the front bolt of base has the table frame, the inner chamber swing joint of table frame has the movable frame, the front integrated into one piece of movable frame has transparent guard plate, the bottom on the positive right side of base inlays and is equipped with fixed pipe, the inner chamber sliding connection of fixed pipe has the activity post, the top of activity post is run through in proper order table frame and transparent guard plate and bolt and is had the fixed block, the inner chamber of fixed pipe is provided with clamping mechanism.

Preferably, the clamping mechanism includes first spring, guide way, spacing groove, draw-in groove, fixture block and fly leaf, the back bolt of fixed pipe inner chamber has connect first spring, the front bolt of first spring has connected the fly leaf, the front of fly leaf and the back swing joint of activity post, the guide way has been seted up in the left side of fixed pipe, the spacing groove has been seted up at the back at guide way inner chamber top, the draw-in groove has been seted up at the back at spacing groove inner chamber top, the inner chamber joint of draw-in groove has the fixture block, the right side of fixture block and the left side bolt of activity post.

Preferably, the top and the bottom of the inner cavity of the fixed pipe are both provided with sliding grooves, the inner cavity of each sliding groove is connected with a sliding block in a sliding manner, and one opposite sides of the sliding blocks penetrate through the sliding grooves and are bolted to the top and the bottom of the movable plate.

Preferably, the periphery of the back face of the inner cavity of the meter frame is provided with positioning holes, the inner cavity of each positioning hole is connected with a positioning column in a sliding mode, and the front face of each positioning column is bolted with the back face of the movable frame.

Preferably, the surface of the movable column is wound with a second spring, the front surface of the second spring is bolted with the back surface of the fixed block, and the back surface of the second spring is movably connected with the front surface of the transparent protection plate.

Preferably, the two sides of the movable column are bolted with limiting blocks, and the front surfaces of the limiting blocks are movably connected with the back surfaces of the transparent protection plates.

Preferably, a sealing washer is bonded to the back of the movable frame, and a groove is formed in the front of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first spring, the guide way, the spacing groove, the cooperation of draw-in groove and fixture block, convenient to use person carries on spacingly to the movable column, make things convenient for the fixed column to drive the fixed block and fix transparent guard plate, prevent that external dust and vapor from getting into inside the voltmeter, cause the voltmeter short circuit, cooperation through seal ring, convenient to use person carries out sealing treatment to movable frame and table frame, prevent to appear the gap between movable frame and the table frame, cause inside dust and vapor get into the voltmeter, the problem that traditional voltmeter does not have circuit protection structure has been solved.

2. The utility model discloses a cooperation of spout and slider, convenient to use person carries on spacingly to the fly leaf, prevent that the fly leaf from taking place to rock, it carries out the back-and-forth movement to assist the fly leaf simultaneously, cooperation through locating hole and reference column, convenient to use person carries on spacingly to the movable frame, prevent that the movable frame from taking place to rock, cause and table to produce wearing and tearing between the frame, cooperation through the second spring, convenient to use person carries on spacingly to transparent guard plate, prevent transparent guard plate back-and-forth movement, cause and produce the gap between movable frame and the table frame, cooperation through the stopper, convenient to use person drives transparent guard plate and removes forward, the convenience is overhauld the voltmeter, cooperation through the recess, convenient to use person utilizes the instrument to.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a voltmeter with a circuit protection structure according to the present invention;

FIG. 2 is a cross-sectional bottom view of the voltmeter of FIG. 1 with a circuit protection structure;

FIG. 3 is a sectional view showing the structure of the fixing tube shown in FIG. 1;

fig. 4 is a left side sectional view of the structure of the fixed pipe shown in fig. 1.

In the figure: 1. a base; 2. a table frame; 3. a movable frame; 4. a transparent protection plate; 5. a fixed tube; 6. a movable post; 7. a fixed block; 8. a clamping mechanism; 81. a first spring; 82. a guide groove; 83. a limiting groove; 84. a card slot; 85. a clamping block; 86. a movable plate; 9. a chute; 10. a slider; 11. positioning holes; 12. a positioning column; 13. a second spring; 14. a limiting block; 15. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a voltmeter with a circuit protection structure comprises a base 1, a meter frame 2 is bolted on the front side of the base 1, an inner cavity of the meter frame 2 is movably connected with a movable frame 3, a transparent protection plate 4 is integrally formed on the front side of the movable frame 3, a fixed tube 5 is embedded at the bottom of the right side of the front side of the base 1, an inner cavity of the fixed tube 5 is slidably connected with a movable column 6, the top of the movable column 6 sequentially penetrates through the meter frame 2 and the transparent protection plate 4 and is bolted with a fixed block 7, a clamping mechanism 8 is arranged in the inner cavity of the fixed tube 5, the movable column 6 is conveniently limited by a user through the matching of a first spring 81, a guide groove 82, a limiting groove 83, a clamping groove 84 and a clamping block 85, the fixed column conveniently drives the fixed block 7 to fix the transparent protection plate 4, external dust and vapor are prevented from entering the inside of the voltmeter to cause short circuit of the voltmeter, through the matching of a sealing washer 15, prevent to appear the gap between activity frame 3 and the table frame 2, cause dust and vapor to get into inside the voltmeter, solved traditional voltmeter and not have the problem of circuit protection structure.

The clamping mechanism 8 comprises a first spring 81, a guide groove 82, a limiting groove 83, a clamping groove 84, a clamping block 85 and a movable plate 86, the first spring 81 is bolted on the back surface of the inner cavity of the fixed tube 5, the movable plate 86 is bolted on the front surface of the first spring 81, the front surface of the movable plate 86 is movably connected with the back surface of the movable column 6, the guide groove 82 is arranged on the left side of the fixed tube 5, the limiting groove 83 is arranged on the back surface of the top part of the inner cavity of the guide groove 82, the clamping groove 84 is arranged on the back surface of the top part of the inner cavity of the limiting groove 83, the clamping block 85 is clamped in the inner cavity of the clamping groove 84, the right side of the clamping block 85 is bolted with the left side of the movable column 6, through the matching of the first spring 81, the guide groove 82, the limiting groove 83, the clamping groove 84 and the clamping block 85, a user can, causing the voltmeter to short.

Spout 9 has all been seted up to the top and the bottom of fixed pipe 5 inner chamber, and the inner chamber sliding connection of spout 9 has slider 10, and slider 10 one side in opposite directions runs through spout 9 and with the top and the bottom bolt joint of fly leaf 86, through the cooperation of spout 9 and slider 10, convenient to use person carries on spacingly to fly leaf 86, prevents that fly leaf 86 from taking place to rock, assists fly leaf 86 to carry out the back-and-forth movement simultaneously.

Locating hole 11 has all been seted up all around at the 2 inner chamber backs of table frame, and the inner chamber sliding connection of locating hole 11 has reference column 12, and the front of reference column 12 and the back bolt of movable frame 3 through the cooperation of locating hole 11 and reference column 12, and convenient to use person is spacing to movable frame 3, prevents that movable frame 3 from taking place to rock, cause and produce wearing and tearing between the table frame 2.

The surface winding of activity post 6 has second spring 13, and the front of second spring 13 and the back bolt of fixed block 7, the back of second spring 13 and the positive swing joint of transparent guard plate 4, through the cooperation of second spring 13, convenient to use person carries on spacingly to transparent guard plate 4, prevents transparent guard plate 4 back-and-forth movement, causes to produce the gap between activity frame 3 and the table frame 2.

The both sides of activity post 6 are all bolted connection to have stopper 14, and stopper 14's the front and the back swing joint of transparent guard plate 4, through stopper 14's cooperation, convenient to use person drives transparent guard plate 4 and moves forward, and the convenience is overhauld the voltmeter.

The back of activity frame 3 bonds and has seal ring 15, and the front of fixed block 7 is seted up flutedly, through seal ring 15's cooperation, convenient to use person seals up the processing to activity frame 3 and table frame 2, prevents to appear the gap between activity frame 3 and the table frame 2, causes inside dust and vapor get into the voltmeter, through the cooperation of recess, convenient to use person utilizes the instrument to rotate fixed block 7, avoids user's manual operation to press from both sides easily and hinders the finger.

The working principle is as follows: in operation, a user moves the movable frame 3 to the inner cavity of the watch frame 2, the user aligns the positioning post 12 with the positioning hole 11 and presses the transparent protection plate 4, then the user supports the groove through a tool and presses the fixing block 7 backwards, meanwhile, the fixing block 7 drives the movable post 6 to move backwards, then the movable post 6 drives the fixture block 85 to slide backwards in the inner cavity of the guide groove 82, meanwhile, the movable post 6 contacts with the movable plate 86 and continues to press the first spring 81 backwards, then the fixture block 85 moves to the bottom of the guide groove 82, meanwhile, the user rotates the fixing block 7 through the tool, then the fixture block 85 moves to the inner cavity of the limiting groove 83, meanwhile, the user removes the tool, then the first spring 81 drives the movable plate 86 to move forwards, meanwhile, the movable plate 86 drives the movable post 6 to move forwards, then the fixture block 85 is clamped with the clamping groove 84 to fix the movable post 6, and meanwhile, the second spring, at this time, the transparent protection plate 4 and the movable frame 3 are fixed to prevent dust and water vapor from entering the inside of the voltmeter.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a voltmeter with circuit protection structure, includes base (1), its characterized in that: the utility model discloses a table frame, including base (1), table frame (2), the front bolt of base (1) has table frame (2), the inner chamber swing joint of table frame (2) has movable frame (3), the front integrated into one piece of movable frame (3) has transparent guard plate (4), the bottom on base (1) front right side inlays and is equipped with fixed pipe (5), the inner chamber sliding connection of fixed pipe (5) has movable post (6), the top of activity post (6) runs through table frame (2) and transparent guard plate (4) and bolt in proper order has fixed block (7), the inner chamber of fixed pipe (5) is provided with clamping mechanism (8).

2. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: clamping mechanism (8) include first spring (81), guide way (82), spacing groove (83), draw-in groove (84), fixture block (85) and fly leaf (86), the back bolt of fixed pipe (5) inner chamber has first spring (81), the front bolt of first spring (81) has fly leaf (86), the front of fly leaf (86) and the back swing joint of activity post (6), guide way (82) have been seted up in the left side of fixed pipe (5), spacing groove (83) have been seted up at the back at guide way (82) inner chamber top, draw-in groove (84) have been seted up at the back at spacing groove (83) inner chamber top, the inner chamber joint of draw-in groove (84) has fixture block (85), the right side of fixture block (85) and the left side bolt of activity post (6).

3. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: the top and the bottom of the inner cavity of the fixed pipe (5) are both provided with sliding grooves (9), the inner cavity of each sliding groove (9) is connected with a sliding block (10) in a sliding mode, and one opposite side of each sliding block (10) penetrates through each sliding groove (9) and is bolted to the top and the bottom of the movable plate (86).

4. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: locating holes (11) are formed in the periphery of the back face of the inner cavity of the meter frame (2), locating columns (12) are connected to the inner cavities of the locating holes (11) in a sliding mode, and the front faces of the locating columns (12) are bolted to the back face of the movable frame (3).

5. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: the surface of the movable column (6) is wound with a second spring (13), the front surface of the second spring (13) is bolted with the back surface of the fixed block (7), and the back surface of the second spring (13) is movably connected with the front surface of the transparent protection plate (4).

6. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: the two sides of the movable column (6) are respectively bolted with a limiting block (14), and the front surface of each limiting block (14) is movably connected with the back surface of the transparent protection plate (4).

7. A voltmeter with circuit protection architecture as claimed in claim 1, wherein: a sealing washer (15) is bonded on the back of the movable frame (3), and a groove is formed in the front of the fixed block (7).