CN210626519U

CN210626519U - Voltmeter with protection function

Info

Publication number: CN210626519U
Application number: CN201921036912.9U
Authority: CN
Inventors: 黄祥豹; 王立平; 邢峰
Original assignee: Daqing Shengkunlin Instrument Manufacturing Co ltd
Current assignee: Daqing Shengkunlin Instrument Manufacturing Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-26
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to the technical field of voltmeter, in particular to a voltmeter with protection function, which comprises a voltmeter main body and a binding post, wherein the bottom end of the voltmeter main body is fixedly connected with a fixed block, the bottom inner side of the fixed block is fixedly connected with a sucker, the inner side of one end of the sucker is communicated with a vent pipe, the inner side of the top end of the vent pipe is slidably connected with a pull rod, the bottom end of the pull rod is fixedly connected with an end cap, the bottom end of the end cap is provided with a vent ring, and the vent ring is fixedly connected with the vent pipe, one end of the voltmeter main body is fixedly connected with a first limit frame, the right side of the first limit frame is provided with a second limit frame, in the utility model, through the arranged protective cover, the binding post, a telescopic rod, a first spring, a clamping head and the like, when the, the service life of the binding post is prolonged, so that the binding post is protected, and the binding post is prevented from being corroded when not used.

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 the structure of the voltmeter is that a permanent magnet is arranged in a sensitive ammeter, a coil formed by a conducting wire is connected in series between two binding posts of the ammeter, the coil is placed in a magnetic field of the permanent magnet and is connected with a pointer of the voltmeter through a transmission device, the common voltmeter-the voltmeter is a voltmeter, the symbol V of the voltmeter is that most of the voltmeter is divided into two ranges, the voltmeter is provided with three binding posts, a negative binding post and two positive binding posts, the positive pole of the voltmeter is connected with the positive pole of a circuit, and the negative pole of the voltmeter is connected with the negative pole of the circuit.

Most simple structure of voltmeter that appears in the existing market, the function singleness, generally do not possess the function of protecting the terminal, the terminal damages if carelessly receive the effect of external force and appear easily when not using, and long-time not using, the dust falls easily to the inboard of terminal, influence the use of terminal, and when the voltmeter placed the higher authority of laboratory table and used, if receive the careless pulling of electric wire, the voltmeter drops from the higher authority of laboratory table easily, fall and damage subaerial, therefore, propose a voltmeter with safeguard function to 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 problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a voltmeter with a protection function comprises a voltmeter main body and a binding post, wherein a fixed block is fixedly connected with the bottom end of the voltmeter main body, a sucker is fixedly connected with the inner side of the bottom end of the fixed block, a vent pipe is communicated with the inner side of one end of the sucker, a pull rod is slidably connected with the inner side of the top end of the vent pipe, a plug is fixedly connected with the bottom end of the pull rod, a ventilation ring is arranged at the bottom end of the plug and is fixedly connected with the vent pipe, a first limit frame is fixedly connected with one end of the voltmeter main body, a second limit frame is arranged on the right side of the first limit frame and is fixedly connected with the voltmeter main body, a horizontally arranged telescopic rod is fixedly connected with the inner side of the right end of the second limit frame, a chuck is fixedly connected with the left end of the telescopic rod, a first spring is arranged on the outer side of the telescopic rod, and the left end and the, the left end of dop is provided with the protection casing, and protection casing and first spacing frame block, the one end fixedly connected with terminal of voltmeter main part, and the terminal setting is in the inboard of protection casing.

Preferably, the shape of breather pipe is "L" type setting, and the total four of number of breather pipe, and even distribution is around the voltmeter main part, and the one end inboard of breather pipe has seted up the air vent.

Preferably, the total number of the suckers is four, and the suckers are uniformly distributed around the bottom end of the voltmeter main body.

Preferably, the outer side of the pull rod is provided with a vertically arranged second spring, and the top end and the bottom end of the second spring are respectively and fixedly connected with the vent pipe and the plug.

Preferably, the shape of protection casing is "U" type setting, and the right-hand member inboard of protection casing has seted up the draw-in groove, and the dop passes through draw-in groove and protection casing block.

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

1. the utility model discloses in, through the pull rod, breather pipe, air vent, end cap, second spring and the ring etc. of ventilating that set up, can fix this device through the effect of sucking disc when this device is using, prevent that this device from being dragged by the wire carelessly and dropping ground in the use and causing the damage, and the effect through the pull rod is convenient for lose suction to making the sucking disc to make this device take up from the desktop easily.

2. The utility model discloses in, through protection casing, terminal, telescopic link, first spring and dop etc. that set up, can prevent through the protection casing that the dust from falling into the inboard gap of terminal when this device is not using, provide the life of terminal to the realization prevents to the protection of terminal that the terminal from receiving the erosion when not using.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-voltmeter main body, 2-protective cover, 3-wiring terminal, 4-pull rod, 5-vent pipe, 6-sucker, 7-fixed block, 8-first limit frame, 9-telescopic rod, 10-second limit frame, 11-first spring, 12-clamp, 13-vent hole, 14-plug, 15-second spring and 16-vent ring.

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.

Referring to fig. 1-3, the present invention provides a technical solution:

a voltmeter with a protection function comprises a voltmeter main body 1 and a binding post 3, wherein a fixed block 7 is fixedly connected to the bottom end of the voltmeter main body 1, a sucker 6 is fixedly connected to the inner side of the bottom end of the fixed block 7, the voltmeter main body 1 can be fixed through the action of the sucker 6, a vent pipe 5 is communicated with the inner side of one end of the sucker 6, a pull rod 4 is slidably connected to the inner side of the top end of the vent pipe 5, a plug 14 is fixedly connected to the bottom end of the pull rod 4, a vent ring 16 is arranged at the bottom end of the plug 14, the vent ring 16 is fixedly connected with the vent pipe 5, the vent ring 16 can be sealed through the plug 14, a first limit frame 8 is fixedly connected to one end of the voltmeter main body 1, a second limit frame 10 is arranged on the right side of the first limit frame 8, and the second limit frame 10 is fixedly connected with, the inboard fixed connection of right-hand member of the spacing frame of second 10 has the telescopic link 9 that the level set up, the left end fixedly connected with dop 12 of telescopic link 9, the outside of telescopic link 9 is provided with first spring 11, and first spring 11 about both ends respectively with the spacing frame 10 fixed connection of end cap 14 and second, the left end of dop 12 is provided with protection casing 2, and protection casing 2 and the 8 blocks of first spacing frame, the one end fixedly connected with terminal 3 of voltmeter main part 1, and terminal 3 sets up the inboard at protection casing 2.

The ventilating pipes 5 are arranged in an L shape, the number of the ventilating pipes 5 is four, the ventilating pipes 5 are evenly distributed around the voltmeter main body 1, the ventilating holes 13 are formed in the inner side of one end of each ventilating pipe 5, operation of workers is facilitated, the suction force of the suckers 6 is reduced through the ventilating holes 13, the number of the suckers 6 is four, the suckers 6 are evenly distributed around the bottom end of the voltmeter main body 1, fixation of the voltmeter main body 1 can be achieved through the action of the suckers 6, the voltmeter main body 1 is prevented from accidentally falling to the ground from a desktop to cause damage, the second springs 15 are vertically arranged on the outer sides of the pull rods 4, the top ends and the bottom ends of the second springs 15 are fixedly connected with the ventilating pipes 5 and the plugs 14 respectively, the plugs 14 can be supported and fixed through the action of the second springs 15, and the protective cover 2 is U-shaped, and the right-hand member inboard of protection casing 2 has seted up the draw-in groove, and dop 12 passes through draw-in groove and protection casing 2 block, can realize the protection to terminal 3 through protection casing 2.

The working process is as follows: in the utility model, when the device is not used, the protective cover 2 is clamped at the inner sides of the first limit frame 8 and the second limit frame 10, then the telescopic rod 9 and the clamping head 12 at the inner side of the second limit frame 10 can fix the second limit frame 10 under the action of the second spring 15, so as to prevent the protective cover 2 from falling off from the inner sides of the first limit frame 8 and the second limit frame 10, when the device is needed to be used, the device is placed on a table top, then the voltmeter main body 1 is pressed downwards to fix the sucker 6 and the table top together, then the protective cover 2 is taken down, so that the binding post 3 can be used, when the device is needed to be taken down from the table top, a user drives the plug 14 upwards through the pull rod 4 to move, so that the plug 14 relieves the interference to the ventilation ring 16, and outside gas enters the inner side of the sucker 6 through the ventilation hole 13, the ventilation ring 16 and the ventilation pipe 5, the suction force of the suction cup 6 is reduced, so that the suction cup 6 can be conveniently taken down from the table top.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A voltmeter with protection function, includes voltmeter main part (1) and terminal (3), its characterized in that: the bottom of the voltmeter main body (1) is fixedly connected with a fixed block (7), the bottom inner side of the fixed block (7) is fixedly connected with a sucker (6), one end inner side of the sucker (6) is communicated with a vent pipe (5), the top end inner side of the vent pipe (5) is slidably connected with a pull rod (4), the bottom end of the pull rod (4) is fixedly connected with a plug (14), the bottom end of the plug (14) is provided with a vent ring (16), the vent ring (16) is fixedly connected with the vent pipe (5), one end of the voltmeter main body (1) is fixedly connected with a first limit frame (8), the right side of the first limit frame (8) is provided with a second limit frame (10), the second limit frame (10) is fixedly connected with the voltmeter main body (1), and the right end inner side of the second limit frame (10) is fixedly connected with a horizontally arranged telescopic rod (9), the left end fixedly connected with dop (12) of telescopic link (9), the outside of telescopic link (9) is provided with first spring (11), and both ends respectively with end cap (14) and the spacing frame of second (10) fixed connection about first spring (11), the left end of dop (12) is provided with protection casing (2), and protection casing (2) and first spacing frame (8) block, the one end fixedly connected with terminal (3) of voltmeter main part (1), and terminal (3) set up the inboard at protection casing (2).

2. The voltmeter of claim 1, wherein: the shape of breather pipe (5) is "L" type setting, and the total four of number of breather pipe (5), and even distribution is around voltmeter main part (1), and breather hole (13) have been seted up to the one end inboard of breather pipe (5).

3. The voltmeter of claim 1, wherein: the number of the suckers (6) is four in total, and the suckers are uniformly distributed around the bottom end of the voltmeter main body (1).

4. The voltmeter of claim 1, wherein: the outer side of the pull rod (4) is provided with a vertically arranged second spring (15), and the top end and the bottom end of the second spring (15) are respectively and fixedly connected with the vent pipe (5) and the plug (14).

5. The voltmeter of claim 1, wherein: the shape of protection casing (2) is "U" type setting, and the right-hand member inboard of protection casing (2) has seted up the draw-in groove, and dop (12) pass through draw-in groove and protection casing (2) block.