CN213750054U - Voltmeter with protection function - Google Patents

Abstract

The utility model relates to a voltmeter technical field specifically is a voltmeter with safeguard function, including the voltmeter body, the bottom left side fixedly connected with base of voltmeter body, and the bottom fixedly connected with connecting plate of base, the bottom fixedly connected with slipmat of connecting plate, the bottom right side fixed mounting of voltmeter body has adjustment mechanism, adjustment mechanism includes the pivot, the right side fixedly connected with knob of pivot, the inner wall at the voltmeter body is installed through the bearing frame transmission in the left side of pivot. The utility model discloses a be provided with adjustment mechanism, through rotating the knob when using, the knob drives the pivot in rotating and rotates, and the pivot drives the sliding sleeve motion in rotating, and the sliding sleeve drives the clamp splice motion in the motion, and the clamp splice is close to each other with the base to fix the voltmeter body on the curb plate surface of laboratory table, avoid dropping in dragging of electric wire.

Description

Voltmeter with protection function

Technical Field

The utility model relates to a voltmeter technical field specifically is a voltmeter with safeguard function.

Background

The voltmeter is an instrument for measuring voltage, and comprises a permanent magnet, a coil and the like, the voltmeter is a resistor with a large size, the ideal condition is that the circuit is broken, the measuring range of the voltmeter commonly used in a laboratory in the junior and middle period is 0-3V and 0-15V, the voltmeter consists of a panel cover and a base, the base is fixed with a pointer and an ammeter instrument, the panel cover is usually connected with the base in a bonding mode, and the voltmeter is inconvenient to disassemble and assemble when in use. And because the panel cover adopts transparent plastics to make, can see the instrument in the voltmeter through the panel cover, the whole visual effect of voltmeter is poor.

At present in the market laboratory can often use the voltmeter to carry out the circuit measurement, and the voltmeter is pulled to drop by the electric wire easily in the experimentation to break the voltmeter, influence the normal use of equipment, simultaneously, the terminal of voltmeter damages easily under external collision effect, influences the use of device, and we have proposed a voltmeter with safeguard function for this reason and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltmeter with safeguard function to solve the voltmeter that proposes in the above-mentioned background art and be dragged to drop by the electric wire easily in the experimentation, thereby break the voltmeter, influence the normal use of equipment, simultaneously, the terminal of voltmeter damages easily under external collision effect, influences the problem of the use of device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltmeter with safeguard function, includes the voltmeter body, the bottom left side fixedly connected with base of voltmeter body, and the bottom fixedly connected with connecting plate of base, the bottom fixedly connected with slipmat of connecting plate, the bottom right side fixed mounting of voltmeter body has adjustment mechanism, adjustment mechanism includes the pivot, the right side fixedly connected with knob of pivot, the inner wall at the voltmeter body is installed through the bearing frame transmission in the left side of pivot, the sliding sleeve has been cup jointed on the surface of pivot, and the bottom fixedly connected with clamp splice of sliding sleeve, and the bottom fixedly connected with slipsplice of clamp splice.

Preferably, the top right side fixed mounting of voltmeter body has protection machanism, protection machanism includes the guard plate, the spacing axle of top left side fixedly connected with of guard plate, and the top cover of spacing axle has cup jointed the apron.

Preferably, the front fixedly connected with fixed block of guard plate, and the fixed block top surface has seted up the through-hole, the through-hole of fixed block is inside to be inserted and is equipped with the fixture block, the bottom fixedly connected with spring of fixture block, and the bottom mounting of spring is at the inner wall of fixed block, the front fixedly connected with of fixture block pushes away the button.

Preferably, the inner wall fixedly connected with stopper of fixed block, the spout has been seted up on the surface of fixture block, and the internal diameter of spout contacts with the external diameter of stopper.

Preferably, the clamping block is of an L-shaped structure, the left side of the clamping block is fixedly connected with semicircular convex blocks, and the semicircular convex blocks are uniformly distributed on the surface of the clamping block at equal intervals.

Preferably, the bottom end of the non-slip mat is made of rubber, and the bottom end of the non-slip mat is provided with a semicircular groove.

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

(1) the utility model is provided with the adjusting mechanism, when in use, the knob rotates, the knob drives the rotating shaft to rotate in the rotation, the rotating shaft drives the sliding sleeve to move in the rotation, the sliding sleeve drives the clamping block to move in the movement, and the clamping block and the base are close to each other, so that the voltmeter body is fixed on the surface of the side plate of the experiment table, and the dropping of the voltmeter body in the pulling of the electric wire is avoided;

(2) the utility model discloses a be provided with protection machanism, when using through will lap in the rotation with the surface of guard plate laminate each other, promote the fixture block motion under the spring action of spring simultaneously, make the fixture block insert establish inside apron bottom recess, thereby avoid its in use not hard up, influence device's normal use, protect the terminal simultaneously, avoid its surface accumulation dust of terminal when idle, influence the compactness of being connected of circuit and terminal, avoid the external world to suffer collision damage to the terminal simultaneously, influence the life of terminal.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a right side view of the knob according to the present invention;

FIG. 4 is a schematic sectional view of the front view of the protection mechanism of the present invention;

fig. 5 is a schematic top sectional view of the structure of the middle protection mechanism of the present invention.

In the figure: 1. a voltmeter body; 2. a base; 3. a connecting plate; 4. an adjustment mechanism; 41. A rotating shaft; 42. a knob; 43. a sliding sleeve; 44. a clamping block; 45. anti-skid blocks; 5. a protection mechanism; 51. a protection plate; 52. a limiting shaft; 53. a cover plate; 54. a spring; 55. a clamping block; 56. A limiting block; 57. a fixed block; 58. a push button; 6. a non-slip mat.

The specific implementation mode is as follows:

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.

Referring to fig. 1-5, the present invention provides an embodiment: a voltmeter with a protection function comprises a voltmeter body 1, wherein a base 2 is fixedly connected to the left side of the bottom end of the voltmeter body 1, a connecting plate 3 is fixedly connected to the bottom end of the base 2, an anti-skid pad 6 is fixedly connected to the bottom end of the connecting plate 3, an adjusting mechanism 4 is fixedly installed on the right side of the bottom end of the voltmeter body 1, the adjusting mechanism 4 comprises a rotating shaft 41, a knob 42 is fixedly connected to the right side of the rotating shaft 41, the left side of the rotating shaft 41 is installed on the inner wall of the voltmeter body 1 through a bearing seat in a transmission mode, a sliding sleeve 43 is sleeved on the surface of the rotating shaft 41, a clamping block 44 is fixedly connected to the bottom end of the sliding sleeve 43, and an anti-skid block 45 is fixedly connected to the bottom end of the clamping block 44;

furthermore, a protection mechanism 5 is fixedly installed on the right side of the top end of the voltmeter body 1, the protection mechanism 5 comprises a protection plate 51, a limiting shaft 52 is fixedly connected to the left side of the top end of the protection plate 51, a cover plate 53 is sleeved on the top end of the limiting shaft 52, the protection is carried out through the cover plate 53 and a wiring terminal of the protection plate 51, the wiring terminal is prevented from being damaged under external collision, and therefore the service life of the wiring terminal is prolonged;

further, a fixing block 57 is fixedly connected to the front surface of the protection plate 51, a through hole is formed in the top end surface of the fixing block 57, a clamping block 55 is inserted into the through hole of the fixing block 57, a spring 54 is fixedly connected to the bottom end of the clamping block 55, the bottom end of the spring 54 is fixed to the inner wall of the fixing block 57, a push button 58 is fixedly connected to the front surface of the clamping block 55, and the clamping block 55 is inserted into a groove in the bottom end of the cover plate 53, so that the clamping block 55 and the cover plate 53 are clamped with each other, and the position of the cover plate 53 is fixed;

furthermore, the inner wall of the fixing block 57 is fixedly connected with a limiting block 56, the surface of the clamping block 55 is provided with a sliding groove, the inner diameter of the sliding groove is in contact with the outer diameter of the limiting block 56, the clamping block 55 is limited by the limiting block 56, so that the clamping block 55 is prevented from loosening in use, meanwhile, the limiting block 56 provides a sliding track for the movement of the clamping block 55, and the clamping block 55 is prevented from shaking in use to influence the stability of the clamping block 55 and the cover plate 53;

furthermore, the clamping block 44 is of an L-shaped structure, the left side of the clamping block 44 is fixedly connected with semicircular bumps, the semicircular bumps are uniformly distributed on the surface of the clamping block 44 at equal intervals, the clamping block 44 is close to the base 2 in the moving process, and then the semicircular bumps of the clamping block 44 are contacted with the surface of the side plate, so that the voltmeter body 1 is fixedly installed on the surface of the side plate of the experiment table;

furthermore, the bottom end of the non-slip mat 6 is made of rubber, a semicircular groove is formed in the bottom end of the non-slip mat 6, the non-slip mat 6 is placed on the surface of the experiment table, meanwhile, the non-slip mat 6 presses the table top, the friction force between the non-slip mat 6 and the table top is increased, and therefore the stability of the voltmeter body 1 when the table top is placed is guaranteed;

the working principle is as follows: during the use, according to figure 1, through rotating knob 42 when using, knob 42 drives pivot 41 in rotating and rotates, pivot 41 makes sliding sleeve 43 move at its surperficial motion in rotating, sliding sleeve 43 drives clamp splice 44 motion in removing, clamp splice 44 is close to base 2 in removing, thereby make clamp splice 44 and base 2 mutually support, thereby fix voltmeter body 1 on the curb plate surface of test bench, when needs terminal connection, as shown according to figure 4 and figure 5, will push button 58 and promote downwards, push button 58 drives fixture block 55 in the motion and moves, thereby make fixture block 55 with spring 54 compression deformation, thereby make fixture block 55 break away from the inside of apron 53, at this moment, apron 53 rotates, then open the top of guard plate 51, thereby convenience of equipment normal use, do above the utility model discloses a whole theory of operation.

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 (6)

1. A voltmeter with a protection function comprises a voltmeter body (1), and is characterized in that: bottom left side fixedly connected with base (2) of voltmeter body (1), and the bottom fixedly connected with connecting plate (3) of base (2), bottom fixedly connected with slipmat (6) of connecting plate (3), the bottom right side fixed mounting of voltmeter body (1) has adjustment mechanism (4), adjustment mechanism (4) are including pivot (41), the right side fixedly connected with knob (42) of pivot (41), the inner wall at voltmeter body (1) is installed through the bearing frame transmission in the left side of pivot (41), sliding sleeve (43) has been cup jointed on the surface of pivot (41), and the bottom fixedly connected with clamp splice (44) of sliding sleeve (43), and the bottom fixedly connected with antiskid splice (45) of clamp splice (44).

2. The voltmeter of claim 1, wherein: the utility model discloses a voltmeter, including voltmeter body (1), top right side fixed mounting has protection machanism (5), protection machanism (5) are including guard plate (51), the spacing axle of top left side fixedly connected with (52) of guard plate (51), and the top cover of spacing axle (52) has connect apron (53).

3. The voltmeter of claim 2, wherein: the front fixedly connected with fixed block (57) of guard plate (51), and fixed block (57) top surface has seted up the through-hole, the through-hole of fixed block (57) is inside to be inserted and is equipped with fixture block (55), the bottom fixedly connected with spring (54) of fixture block (55), and the bottom mounting of spring (54) is at the inner wall of fixed block (57), the front fixedly connected with of fixture block (55) pushes away button (58).

4. A voltmeter having a protection function according to claim 3, wherein: the inner wall fixedly connected with stopper (56) of fixed block (57), the spout has been seted up on the surface of fixture block (55), and the internal diameter of spout contacts with the external diameter of stopper (56).

5. The voltmeter of claim 1, wherein: the clamping block (44) is of an L-shaped structure, the left side of the clamping block (44) is fixedly connected with semicircular convex blocks, and the semicircular convex blocks are uniformly distributed on the surface of the clamping block (44) at equal intervals.

6. The voltmeter of claim 1, wherein: the bottom end of the non-slip mat (6) is made of rubber, and a semicircular groove is formed in the bottom end of the non-slip mat (6).

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