CN220207696U - Digital multimeter capable of adapting to various binding posts - Google Patents
Digital multimeter capable of adapting to various binding posts Download PDFInfo
- Publication number
- CN220207696U CN220207696U CN202321936277.6U CN202321936277U CN220207696U CN 220207696 U CN220207696 U CN 220207696U CN 202321936277 U CN202321936277 U CN 202321936277U CN 220207696 U CN220207696 U CN 220207696U
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- universal meter
- meter body
- digital multimeter
- binding posts
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- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of universal meters, in particular to a digital universal meter capable of adapting to various binding posts, which comprises: the universal meter comprises a universal meter body, wherein a plurality of mounting grooves are formed in the outer wall of the top of the universal meter body, a plurality of dustproof components are mounted at the tops of the mounting grooves, each dustproof component comprises two limiting grooves formed in the outer wall of the top of the universal meter body, and shielding plates are slidably connected inside the two limiting grooves; the stay cord, stay cord fixed connection is on one of them shielding plate one end outer wall, another one shielding plate one end outer wall is fixedly connected with extends the piece, one end fixed connection is on its one side outer wall behind the stay cord slip run through extension piece, and the utility model can guarantee through setting up dustproof subassembly that the mounting groove can remain the confined state throughout when the vacancy state, effectively prevents debris such as external dust from getting into wherein, avoids these debris to pile up and influence electric conductivity.
Description
Technical Field
The utility model relates to the technical field of universal meters, in particular to a digital universal meter capable of adapting to various binding posts.
Background
The universal meter is also called a multipurpose meter, a three-purpose meter and the like, is the most basic tool in the field of electronic testing, and is also a testing instrument which is very widely used.
Through searching, the utility model with the Chinese patent publication number of CN217034075U discloses a novel universal meter. The universal meter comprises a universal meter main body, a wire arranged on the universal meter main body and a meter pen arranged at one end of the wire away from the universal meter main body, wherein a containing groove for the meter pen to be embedded is formed in the side wall of the universal meter main body, and an elastic strip is arranged on the groove wall of the containing groove.
In the actual use process, if the mounting hole of the wiring terminal is arranged on the digital multimeter, impurities such as dust and the like can be gradually accumulated if the mounting hole is exposed to the external environment for a long time, and the electric conductivity can be influenced if the impurities are accumulated to a certain amount, so that the detection result is influenced.
Disclosure of Invention
The utility model aims to provide a digital multimeter which can be matched with various binding posts so as to solve the problems in the background technology.
The technical scheme of the utility model is as follows: a digital multimeter adaptable to a plurality of posts, comprising:
the universal meter comprises a universal meter body, wherein a plurality of mounting grooves are formed in the outer wall of the top of the universal meter body, a plurality of dustproof components are mounted at the tops of the mounting grooves, each dustproof component comprises two limiting grooves formed in the outer wall of the top of the universal meter body, and shielding plates are slidably connected inside the two limiting grooves;
the stay cord is fixedly connected to the outer wall of one end of one of the shielding plates, an extension block is fixedly connected to the outer wall of one end of the other shielding plate, and one end of the stay cord, which penetrates through the extension block in a sliding manner, is fixedly connected to the outer wall of one side of the stay cord;
the grooved pulley is rotationally connected to the outer wall of the top of the universal meter body, and the pull rope is sleeved on the groove of the grooved pulley.
Preferably, the universal meter body is fixedly connected with a mounting block on the top outer wall, and the same spring is fixedly connected between the mounting block and the extension block.
Preferably, two guide plates are fixedly connected to the outer walls of the tops of the shielding plates, and the two guide plates are symmetrically arranged.
Preferably, the mounting groove internally mounted has fixed subassembly, fixed subassembly includes two-way lead screws that the inside rotation of mounting groove is connected, two threaded connection has two fixed plates on the two-way lead screw, two the fixed plate is in respectively on two screw thread positions on the two-way lead screw.
Preferably, the outer wall of one side of the universal meter body is rotationally connected with two driven wheels and a driving wheel, the two driven wheels are meshed with the driving wheel, and the two driven wheels are respectively and coaxially fixed with the two bidirectional screw rods.
Preferably, a knob is coaxially fixed on the outer wall of one side of the driving wheel, and the diameter of the knob is larger than that of the driving wheel.
The utility model provides a digital multimeter capable of adapting to various binding posts through improvement, and compared with the prior art, the digital multimeter has the following improvement and advantages:
the method comprises the following steps: according to the utility model, the dustproof assembly is arranged, so that the mounting groove can be kept in a closed state all the time in a vacant state, foreign matters such as external dust can be effectively prevented from entering the mounting groove, the foreign matters are prevented from accumulating to affect conductivity, a binding post to be mounted is extruded between the two guide plates, because the guide plates are inclined, the binding post drives one of the shielding plates to move outwards along the limiting groove, the shielding plate drives one end of the stay rope to synchronously move, the stay rope is limited by the grooved pulley, the other end of the stay rope moves towards the opposite direction, and the other end of the stay rope moves the other shielding plate in the opposite direction through the extension block, so that the binding post can just move to the middle position of the lower fixing assembly, and the spring can keep the two shielding plates in the closed state all the time and cannot be easily unfolded;
and two,: according to the universal meter, the fixing assembly is arranged, so that the universal meter can adapt to the installation work of various binding posts, the knob drives the driving wheel to rotate, the driving wheel drives the two driven wheels to rotate in the same direction through meshing, the two driven wheels drive the two bidirectional screw rods to synchronously rotate, and as the two bidirectional screw rods are connected to the two fixing plates and cannot rotate, the two bidirectional screw rods drive the two fixing plates to move in opposite directions, and the binding posts are limited.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of the internal perspective structure of the mounting groove of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A in accordance with the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
Reference numerals illustrate:
1. a multimeter body; 2. a mounting groove; 3. a dust-proof assembly; 4. a fixing assembly; 301. a limit groove; 302. a shielding plate; 303. a pull rope; 304. a sheave; 305. an extension block; 306. a spring; 307. a guide plate; 401. a two-way screw rod; 402. a fixing plate; 403. driven wheel; 404. a driving wheel; 405. and (5) a knob.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a digital multimeter capable of adapting to various binding posts by improving the digital multimeter, and the technical scheme of the utility model is as follows:
1-4, a digital multimeter adaptable to a plurality of posts, comprising:
the universal meter body 1, a plurality of mounting grooves 2 are formed in the outer wall of the top of the universal meter body 1, a plurality of dustproof components 3 are mounted at the tops of the mounting grooves 2, each dustproof component 3 comprises two limiting grooves 301 formed in the outer wall of the top of the universal meter body 1, and shielding plates 302 are slidably connected in the two limiting grooves 301;
the stay cord 303, stay cord 303 fixedly connected to one end outer wall of one shielding plate 302, the other shielding plate 302 fixedly connected with the extension block 305 on one end outer wall, one end of stay cord 303 after penetrating through extension block 305 in a sliding manner is fixedly connected to one side outer wall;
the grooved pulley 304 is rotatably connected to the outer wall of the top of the multimeter body 1, and the pull rope 303 is sleeved on the groove of the grooved pulley 304.
Further, a mounting block is fixedly connected to the outer wall of the top of the multimeter body 1, and the same spring 306 is fixedly connected between the mounting block and the extension block 305.
By the above structure or mechanism: one of the shielding plates 302 moves outwards along the limiting groove 301, one end of the shielding plate 302 drives one end of the pull rope 303 to synchronously move, the other end of the pull rope 303 is limited by the grooved pulley 304 and moves towards the opposite direction, the other end of the pull rope 303 moves the other shielding plate 302 towards the opposite direction through the extending block 305, the binding post can just move to the middle position of the lower fixing assembly 4, and the springs 306 can enable the two shielding plates 302 to keep a closed state all the time.
Further, the outer walls of the tops of the two shielding plates 302 are fixedly connected with guide plates 307, and the two guide plates 307 are symmetrically arranged.
By the above structure or mechanism: the two shutters 302 can be opened by pressing down the posts.
Further, the mounting groove 2 is internally provided with the fixing component 4, the fixing component 4 comprises two bidirectional screw rods 401 which are rotatably connected in the mounting groove 2, two fixing plates 402 are connected to the two bidirectional screw rods 401 in a threaded mode, and the two fixing plates 402 are respectively located at two threaded positions on the bidirectional screw rods 401.
Further, two driven wheels 403 and a driving wheel 404 are rotatably connected to the outer wall of one side of the universal meter body 1, the two driven wheels 403 are meshed with the driving wheel 404, and the two driven wheels 403 are coaxially fixed with the two bidirectional screw rods 401 respectively.
By the above structure or mechanism: the knob 405 drives the driving wheel 404 to rotate, the driving wheel 404 drives the two driven wheels 403 to rotate in the same direction through meshing, the two driven wheels 403 drive the two bidirectional screw rods 401 to synchronously rotate, and as the two bidirectional screw rods 401 are connected to the two fixing plates 402 and cannot rotate, the bidirectional screw rods 401 drive the two fixing plates 402 to move in opposite directions, and the binding posts are limited.
Further, a knob 405 is coaxially fixed on the outer wall of one side of the driving wheel 404, and the diameter of the knob 405 is larger than that of the driving wheel 404.
By the above structure or mechanism: the transmission force arm is added, so that the rotation of the transmission wheel 404 is easier.
Working principle: firstly, the binding post to be installed is extruded between the two guide plates 307, because the guide plates 307 are inclined, the binding post drives one shielding plate 302 to move outwards along the limiting groove 301, the shielding plate 302 drives one end of the pull rope 303 to synchronously move, the pull rope 303 is limited by the grooved pulley 304, the other end of the pull rope 303 moves towards the opposite direction, the other end of the pull rope 303 moves the other shielding plate 302 in the opposite direction through the extension block 305, the binding post can just move to the middle position of the lower fixing assembly 4, the spring 306 can enable the two shielding plates 302 to keep a closed state all the time, the binding post cannot be easily unfolded, then the knob 405 is rotated to drive the fixing assembly 4 to operate, binding posts of different types can be fixed, the knob 405 drives the driving wheel 404 to rotate, the driving wheel 404 drives the two driven wheels 403 to rotate in the same direction, the two bidirectional screw 401 are synchronously rotated, and because the two bidirectional screw 401 are connected to the two fixing plates 402, and the two bidirectional screw 401 cannot rotate, so that the binding post is limited.
Claims (6)
1. A digital multimeter adaptable to a plurality of wiring terminals, characterized by: comprising the following steps:
the universal meter comprises a universal meter body (1), wherein a plurality of mounting grooves (2) are formed in the outer wall of the top of the universal meter body (1), a plurality of dustproof components (3) are arranged at the tops of the mounting grooves (2), each dustproof component (3) comprises two limiting grooves (301) formed in the outer wall of the top of the universal meter body (1), and shielding plates (302) are slidably connected inside the two limiting grooves (301);
the stay cord (303), stay cord (303) fixed connection is on one end outer wall of one of them shielding plate (302), another shielding plate (302) one end outer wall fixedly connected with extension block (305), one end fixed connection is on its one side outer wall behind extension block (305) behind stay cord (303) slip penetration;
the grooved pulley (304), grooved pulley (304) rotate and connect on universal meter body (1) top outer wall, stay cord (303) cover is established on the recess of grooved pulley (304).
2. A digital multimeter adaptable to multiple binding posts of claim 1, wherein: the universal meter is characterized in that an installation block is fixedly connected to the outer wall of the top of the universal meter body (1), and the same spring (306) is fixedly connected between the installation block and the extension block (305).
3. A digital multimeter adaptable to multiple binding posts of claim 1, wherein: guide plates (307) are fixedly connected to the outer walls of the tops of the two shielding plates (302), and the two guide plates (307) are symmetrically arranged.
4. A digital multimeter adaptable to multiple binding posts of claim 1, wherein: the mounting groove (2) internally mounted has fixed subassembly (4), fixed subassembly (4) are including two-way lead screw (401) of mounting groove (2) inside rotation connection, and two threaded connection has two fixed plates (402) on two-way lead screw (401), two fixed plates (402) are in respectively on two threaded positions on two-way lead screw (401).
5. A digital multimeter adaptable to multiple binding posts of claim 4, wherein: two driven wheels (403) and a driving wheel (404) are rotatably connected to the outer wall of one side of the universal meter body (1), the two driven wheels (403) are meshed with the driving wheel (404), and the two driven wheels (403) are coaxially fixed with the two bidirectional screw rods (401) respectively.
6. A digital multimeter adaptable to multiple binding posts of claim 5, wherein: a knob (405) is coaxially fixed on the outer wall of one side of the driving wheel (404), and the diameter of the knob (405) is larger than that of the driving wheel (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936277.6U CN220207696U (en) | 2023-07-22 | 2023-07-22 | Digital multimeter capable of adapting to various binding posts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321936277.6U CN220207696U (en) | 2023-07-22 | 2023-07-22 | Digital multimeter capable of adapting to various binding posts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220207696U true CN220207696U (en) | 2023-12-19 |
Family
ID=89153604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321936277.6U Active CN220207696U (en) | 2023-07-22 | 2023-07-22 | Digital multimeter capable of adapting to various binding posts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220207696U (en) |
-
2023
- 2023-07-22 CN CN202321936277.6U patent/CN220207696U/en active Active
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