CN211627654U - Voltmeter with protection of opening circuit - Google Patents
Voltmeter with protection of opening circuit Download PDFInfo
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- CN211627654U CN211627654U CN202020022491.0U CN202020022491U CN211627654U CN 211627654 U CN211627654 U CN 211627654U CN 202020022491 U CN202020022491 U CN 202020022491U CN 211627654 U CN211627654 U CN 211627654U
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- voltmeter
- fixedly connected
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- rack
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Abstract
The utility model discloses a voltmeter with protection of opening circuit, its technical scheme main points are: the voltmeter comprises a voltmeter main body and a fixing mechanism, wherein a meter panel is arranged at the top end of the front surface of the voltmeter main body, three locking sleeves are arranged at the front end of the upper surface of the voltmeter main body, a power-on column is arranged at the bottom ends of the three locking sleeves, a moving column is arranged in the middle of the power-on column, a rack is fixedly connected to one side inside the moving column, a gear is arranged at the bottom end of one side of the rack, a rotating shaft is fixedly connected to the front surface of the gear, and a driving block is fixedly connected to the other end of the rotating shaft; install the lock sleeve at voltmeter main part upper surface front end, remove post, rack, gear and pivot through the design and be convenient for be connected between electric wire and the circular telegram post, great reduction staff's burden, convenient and fast, simple to use has brought fine development prospect.
Description
Technical Field
The utility model belongs to the voltmeter field, concretely relates to voltmeter with protection of opening circuit.
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 voltmeter is ideally considered to be an open circuit, and the measuring ranges of the voltmeter commonly used in a laboratory in the junior and middle stages are 0-3V and 0-15V.
For example, a portable digital voltmeter disclosed in the publication No. CN205679681U is characterized in that: the display screen is arranged on the upper surface of the voltmeter shell, and the data acquisition module, the analog-to-digital conversion module, the single chip microcomputer, the data display module, the function self-checking module and the data transmission module are respectively arranged in the voltmeter shell; the data acquisition module is connected with the input end of the singlechip through the analog-to-digital conversion module, and the output end of the singlechip is respectively connected with the data display module, the function self-checking module and the data transmission module, is connected with the display screen through the data display module, and is communicated with the monitoring equipment of the monitoring center through the data transmission module; the lower surface of voltmeter shell is equipped with jack catch, backup pad and measuring pen and accomodates the socket.
The voltmeter solves the problems that the voltmeter in the prior art does not have the automatic recording function and is inconvenient to carry; however, the voltmeter still does not solve the problems that the connection of the electric wires is very troublesome, the locking sleeve needs to be repeatedly rotated, and meanwhile, the voltmeter is not convenient to fix on a table top.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a voltmeter with protection of opening circuit to provide very trouble when connecting to the electric wire in solving above-mentioned background art, the rotation lock sleeve that needs relapse, the problem of the voltmeter be not convenient for fix on the desktop simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltmeter with protection of opening circuit, includes voltmeter main part and fixed establishment, the front surface top of voltmeter main part sets up the panel board, just the upper surface front end of voltmeter main part is provided with three lock sleeve, and is three the bottom of lock sleeve all is provided with the circular telegram post, the centre of circular telegram post is provided with removes the post, the inside one side fixedly connected with rack of removal post, one side bottom of rack is provided with the gear, the front surface fixedly connected with pivot of gear, the other end fixedly connected with drive block of pivot.
Preferably, fixed establishment is provided with four groups altogether, four groups fixed establishment is respectively around the lower surface of voltmeter main part, fixed establishment is including removing the cover, the centre that removes the cover is provided with the sucking disc, the top fixedly connected with spliced pole of sucking disc, the surface of spliced pole is provided with fixed spring.
Preferably, the shape of lock sleeve is half hollow cylinder, and the inner wall diameter of lock sleeve is greater than five millimeters of the outer wall diameter of circular telegram post.
Preferably, the movable column is of an internal hollow structure, and the bottom end of the front surface of the movable column is provided with a circular hole A.
Preferably, the shape of the electrifying column is a hollow cylinder, and the gear and the rack are in meshed connection.
Preferably, the shape of the movable sleeve is a semi-hollow cylinder, and the upper surface of the movable sleeve is provided with a circular hole B.
Preferably, one end of the fixed spring is fixedly connected with the movable sleeve, and the other end of the fixed spring is fixedly connected with the voltmeter main body.
Preferably, the connecting column is cylindrical, and the top end of the connecting column is fixedly connected with the voltmeter main body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) install the lock sleeve at voltmeter main part upper surface front end, remove post, rack, gear and pivot through the design and be convenient for be connected between electric wire and the circular telegram post, great reduction staff's burden, convenient and fast, simple to use has brought fine development prospect.
(2) Install removal cover, sucking disc, spliced pole and fixed spring all around at voltmeter main part lower surface through the design and be convenient for fix the device on the desktop, thereby prevent to miss and touch and cause and empty, great improvement the device's stability.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is a schematic view of the local front view section structure of the locking sleeve of the present invention
FIG. 3 is a schematic view of a partial side view cross-sectional structure of the driving block of the present invention;
FIG. 4 is a schematic view of the partial bottom view structure of the voltmeter body of the present invention;
fig. 5 is a schematic view of the local front view section structure of the movable sleeve of the present invention.
Description of the reference numerals
1. An instrument panel; 2. a voltmeter body; 3. a locking sleeve; 4. a drive block; 5. moving the sleeve; 6. a current-carrying column; 7. moving the column; 8. a rack; 9. a gear; 10. a rotating shaft; 11. a suction cup; 12. connecting columns; 13. the spring is fixed.
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. 1-5, the present invention provides a voltmeter with circuit breaking protection, wherein the technical solution is as follows: the utility model provides a voltmeter with protection of opening circuit, including voltmeter main part 2 and fixed establishment, voltmeter main part 2's front surface top sets up panel board 1, and voltmeter main part 2's upper surface front end is provided with three lock sleeve 3, the bottom of three lock sleeve 3 all is provided with circular telegram post 6, circular telegram post 6's centre is provided with removes post 7, remove inside one side fixedly connected with rack 8 of post 7, one side bottom of rack 8 is provided with gear 9, gear 9's front surface fixedly connected with pivot 10, the other end fixedly connected with drive block 4 of pivot 10.
In order to fix the device conveniently, in this embodiment, preferably, four sets of fixing mechanisms are provided, the four sets of fixing mechanisms are respectively located around the lower surface of the voltmeter main body 2, each fixing mechanism includes a movable sleeve 5, a suction cup 11 is arranged in the middle of the movable sleeve 5, a connecting column 12 is fixedly connected to the top end of the suction cup 11, and a fixing spring 13 is arranged on the outer surface of the connecting column 12.
In order to facilitate the movement of the locking sleeve 3, in the present embodiment, it is preferable that the locking sleeve 3 is shaped as a semi-hollow cylinder, and the diameter of the inner wall of the locking sleeve 3 is five millimeters larger than the diameter of the outer wall of the power-on column 6.
In order to use the movable column 7 conveniently, in this embodiment, preferably, the movable column 7 is an internal hollow structure, and the bottom end of the front surface of the movable column 7 is provided with a circular hole a.
In order to move the rack 8, in the present embodiment, it is preferable that the energizing column 6 is shaped like a hollow cylinder, and the gear 9 is engaged with the rack 8.
In order to protect the suction cup 1, in this embodiment, preferably, the movable sleeve 5 is shaped as a semi-hollow cylinder, and the upper surface of the movable sleeve 5 is provided with a circular hole B.
In order to fix the fixed spring 13, in the embodiment, it is preferable that one end of the fixed spring 13 is fixedly connected to the moving sleeve 5, and the other end of the fixed spring 13 is fixedly connected to the voltmeter body 2.
In order to fix the connection post 12, in the present embodiment, it is preferable that the connection post 12 is shaped like a cylinder, and the top end of the connection post 12 is fixedly connected to the voltmeter body 2.
The utility model discloses a theory of operation and use flow: when the device is used, the device is placed on a desktop firstly, then the device is pressed downwards, the movable sleeve 5 can move upwards under the action of the fixed spring 13, the fixed spring 13 is compressed, so that the sucker 11 can be exposed and adsorbed with the desktop, a good fixing effect is achieved, when the device is not required to be fixed, the movable sleeve 5 can also play a good protection effect on the sucker 11 to prevent the sucker 11 from being damaged, when the device is required to be connected with an electric wire, one end of the electric wire can be wound on the electrifying column 6 firstly, then the driving block 4 is rotated, the driving block 4 drives the gear 9 to rotate under the action of the rotating shaft 10, as the gear 9 is meshed with the rack 8, the rack 8 drives the movable column 7 to move downwards, the movable column 7 drives the locking sleeve 3 to move downwards, so that the locking sleeve 3 compresses the electric wire on the electrifying column 6, one end of the wire can be fixed with the electrifying column 6.
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 (8)
1. The utility model provides a voltmeter with protection of opening circuit, includes voltmeter main part (2) and fixed establishment, the front surface top of voltmeter main part (2) sets up panel board (1), just the upper surface front end of voltmeter main part (2) is provided with three lock sleeve (3), and is three the bottom of lock sleeve (3) all is provided with circular telegram post (6), the centre of circular telegram post (6) is provided with removes post (7), remove inside one side fixedly connected with rack (8) of post (7), one side bottom of rack (8) is provided with gear (9), the front surface fixedly connected with pivot (10) of gear (9), the other end fixedly connected with drive block (4) of pivot (10).
2. The voltmeter with the function of protecting from open circuit according to claim 1, wherein the fixing mechanisms are provided in four groups, the four groups of fixing mechanisms are respectively disposed around the lower surface of the voltmeter body (2), the fixing mechanisms comprise a moving sleeve (5), a sucking disc (11) is disposed in the middle of the moving sleeve (5), a connecting column (12) is fixedly connected to the top end of the sucking disc (11), and a fixing spring (13) is disposed on the outer surface of the connecting column (12).
3. Voltmeter with disconnection protection according to claim 1, wherein the locking sleeve (3) is shaped as a semi-hollow cylinder, and the diameter of the inner wall of the locking sleeve (3) is five millimeters larger than the diameter of the outer wall of the electrifying column (6).
4. The voltmeter with open circuit protection according to claim 1, wherein the movable column (7) is a hollow structure, and a circular hole a is formed at a bottom end of a front surface of the movable column (7).
5. Voltmeter with circuit break protection according to claim 1, wherein the energization column (6) is shaped as a hollow cylinder, and the gear (9) and the rack (8) are in meshed connection.
6. Voltmeter according to claim 2, wherein the movable sleeve (5) is shaped as a semi-hollow cylinder, and the upper surface of the movable sleeve (5) is provided with a circular hole B.
7. Voltmeter with circuit breaking protection according to claim 2, characterized in that one end of the fixed spring (13) is fixedly connected with the movable sleeve (5) and the other end of the fixed spring (13) is fixedly connected with the voltmeter body (2).
8. Voltmeter with open circuit protection according to claim 2, wherein the connecting column (12) is cylindrical in shape, and the top end of the connecting column (12) is fixedly connected with the voltmeter body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022491.0U CN211627654U (en) | 2020-01-06 | 2020-01-06 | Voltmeter with protection of opening circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022491.0U CN211627654U (en) | 2020-01-06 | 2020-01-06 | Voltmeter with protection of opening circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211627654U true CN211627654U (en) | 2020-10-02 |
Family
ID=72636097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020022491.0U Active CN211627654U (en) | 2020-01-06 | 2020-01-06 | Voltmeter with protection of opening circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211627654U (en) |
-
2020
- 2020-01-06 CN CN202020022491.0U patent/CN211627654U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: 221005 room 205, building D, ruishang Longhu modern business industrial park, 257 Zhongshan North Road, Gulou District, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Hanyun Zhishu Technology Co.,Ltd. Address before: 237012 Yueliang Island, yunluqiao West, Lu'an City, Anhui Province Patentee before: WEST ANHUI University |