CN111766430A - Anti-drop hand-held type heavy current tester - Google Patents
Anti-drop hand-held type heavy current tester Download PDFInfo
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- CN111766430A CN111766430A CN202010520035.3A CN202010520035A CN111766430A CN 111766430 A CN111766430 A CN 111766430A CN 202010520035 A CN202010520035 A CN 202010520035A CN 111766430 A CN111766430 A CN 111766430A
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- groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
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- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses an anti-falling handheld heavy current tester, which comprises a recovery fastener and a tester main body, wherein the tester main body comprises a display screen, a contact, an operation button, a buckling groove, a frame, a buckling block, a transparent plate, a groove, a wiring terminal, a first sliding groove, a sliding plate, a sliding block, a top block, a first spring group, a fixed frame and a placing groove, the fixed frame is matched with a writing paper board, the placing groove is provided with a writing pen, the recovery fastener comprises a recovery groove, a buckling plate and a coiling part, the coiling part comprises a fixed plate, a coiling box, a coiling shaft, a thread rope, a spring box and a volute spring, the recovery groove is provided with a through groove, two sides of the through groove are provided with second sliding grooves, the second sliding grooves are matched with L-shaped sliding blocks, the front ends of the L-shaped sliding blocks are integrally connected with the top block matched with the thread rope in size, the recovery groove is provided with, and a second spring set is connected between the arc-shaped block and the L-shaped sliding block.
Description
Technical Field
The invention belongs to the field of testers, and particularly relates to an anti-drop handheld large-current tester.
Background
The current tester is a portable rectifier instrument with high sensitivity and a multi-range protection circuit, and is characterized by wide measurement range, twenty ranges, capability of respectively measuring alternating current and direct current stray voltage and stray current, no need of a power supply, safety and reliability, suitability for testing current and voltage generated by underground steel rails, water pipes, cables and the like of a coal mine, prevention of early explosion of electric detonators and other explosion accidents caused by stray current discharge, minimization of an in-mine fire source, and the like.
The existing handheld high-current tester finds that:
1. the display screen is easy to be attached with dust after being used for a long time, so that the definition is influenced, and the reading is further influenced;
2. the wiring terminal is exposed outside, so that dust is easy to enter, and the use reliability is reduced;
3. the anti-falling structure is not provided, and when the anti-falling structure is used in some specific environments, the anti-falling structure can directly cause the damage of a tester if the anti-falling structure is accidentally dropped;
4. the test data cannot be recorded conveniently.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aims to provide an anti-drop handheld large current tester. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
an anti-drop hand-held heavy current tester comprises a recovery fastener and a tester main body, wherein the tester main body comprises a display screen, a contact and an operation button, the tester main body is provided with a buckling groove, the tester main body is hinged with a frame matched with the display screen in position, the frame is integrally connected with a buckling block matched with the buckling groove, the frame is matched with a transparent plate, the side surface of the tester main body is provided with a groove, a wiring terminal is installed in the groove, the groove is provided with a first chute matched with a sliding plate, the two sides of the sliding plate are respectively connected with a sliding block and a top block, a first spring group is connected between the groove and the top block, the back surface of the tester main body is provided with a fixed frame and a placing groove, the fixed frame is matched with a writing paperboard, the placing groove is provided with a writing pen, and the recovery fastener comprises a recovery groove matched with the size of the tester main, the improved spiral winding device is characterized in that the recovery groove is connected with a buckling plate, the recovery groove is provided with a spiral winding component, the spiral winding component comprises a fixed plate integrally connected with the recovery groove, a spiral winding box is installed on one side of the fixed plate, the fixed plate is connected with a spiral winding shaft located in the center of the interior of the spiral winding box through a bearing, the spiral winding shaft is wound with a rope penetrating through the recovery groove and connected with the tester body, a spring box is installed on the other side of the fixed plate, a spiral spring is connected between the spring box and the spiral winding shaft, the recovery groove is provided with a through groove, second sliding grooves are formed in two sides of the through groove and matched with an L-shaped sliding block, a jacking block matched with the size of the rope is integrally connected with the front end of the L-shaped sliding block, an arc-shaped block matched with the size of.
Further inject, the contact is configured with the protective sheath, and such design protects when not using the contact, guarantees the life of contact.
Further, after the buckling block is buckled with the buckling groove, the inner side plane of the frame is slightly lower than the surface plane of the tester main body, and the transparent plate is prevented from being separated from the frame due to the design.
Further, the transparent plate is provided with a film, and the design is scratch-resistant.
Further inject, place recess both sides and be equipped with the groove of just getting, such design is convenient for write pen take.
Further inject, the position of gripping of tester main part is equipped with the rubber coating, and such design, antiskid sweat-absorbing promotes and feels.
Further, the winding shaft is provided with a line groove, and the design ensures that the position of the winding shaft is not easy to excessively deviate when the wire rope is wound.
Further, the contact end of the tester main body and the recovery fastener is in a conical shape, and the tester main body and the recovery fastener are convenient to insert into the recovery groove due to the design.
Further inject, the contact position of kicking block and cotton rope is equipped with the arc breach, and such design increases area of contact, strengthens the fixed effect to the cotton rope.
Further inject, all there is friction line on the contact surface of kicking block, arc piece and cotton rope, such design increases frictional force, further strengthens the fixed effect to the cotton rope.
The invention has the following beneficial effects:
1. by adopting the structural design, the transparent plate effectively protects the display screen, so that the display screen is not easy to be dusted, the definition and the reading are not influenced, and the use effect can be ensured by quickly replacing and cleaning the transparent plate;
2. by adopting the structural design of the invention, the sliding plate effectively shields and protects the wiring terminal, thereby preventing dust from entering the wiring terminal and ensuring the use reliability;
3. by adopting the structural design of the invention, when the tester body falls off when being used at a high position, the recovery fastener and the thread rope effectively protect the tester body and prevent the tester body from colliding and contacting with the ground, so that the tester cannot be damaged;
4. the cooperation design of writing cardboard and writing pen makes the tester main part possess the effect of swift record test data.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a first schematic structural diagram of an embodiment of an anti-drop handheld high-current tester of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of an anti-drop handheld high-current tester according to the present invention;
FIG. 3 is a schematic view of a recycling fastener structure of an embodiment of an anti-drop handheld high-current tester of the invention;
FIG. 4 is a schematic cross-sectional view of a recycling fastener of an embodiment of the anti-falling handheld high-current tester of the invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2;
FIG. 6 is an enlarged view of the structure at B in FIG. 3;
the main element symbols are as follows:
the device comprises a recovery fastener 1, a recovery groove 11, a buckle plate 12, a through groove 13, a second sliding groove 14, an L-shaped sliding block 15, a top block 151, an arc-shaped block 16, a second spring group 17, a tester main body 2, a display screen 21, a contact 22, an operation button 23, a buckle groove 24, a frame 25, a buckle block 26, a transparent plate 27, a groove 28, a connecting terminal 29, a first sliding groove 210, a sliding plate 211, a sliding block 212, a top block 213, a first spring group 214, a fixed frame 215, a placing groove 216, a writing paper board 217, a writing pen 218, a coiling part 3, a fixed plate 31, a coiling box 32, a coiling shaft 33, a wire rope 34 and a spring box 35.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the anti-drop handheld heavy current tester of the present invention comprises a recovery fastener 1 and a tester main body 2, wherein the tester main body 2 comprises a display screen 21, a contact 22 and an operation button 23, the tester main body 2 is provided with a fastening groove 24, the tester main body 2 is hinged with a frame 25 matched with the display screen 21 in position, the frame 25 is integrally connected with a fastening block 26 matched with the fastening groove 24, the frame 25 is matched with a transparent plate 27, a groove 28 is arranged on a side surface of the tester main body 2, a connection terminal 29 is installed in the groove 28, the groove 28 is provided with a first sliding chute 210, the first sliding chute 210 is matched with a sliding plate 211, two sides of the sliding plate 211 are respectively connected with a sliding block 212 and a top block 213, a first spring group 214 is connected between the groove 28 and the top block 213, a fixed frame 215 and a placement groove 216 are arranged on a back surface of the tester main body 2, the fixed frame 215 is, retrieve fastener 1 and include accumulator 11 with 2 size matching of tester main part, accumulator 11 is connected with buckle 12, accumulator 11 installs spiral part 3, spiral part 3 includes fixed plate 31 with accumulator 11 body coupling, spiral box 32 is installed to fixed plate 31 one side, fixed plate 31 is connected with the spool 33 that is located the inside central point of spiral box 32 through the bearing, spool 33 is rolled up and is run through accumulator 11 back and is connected with tester main part 2, spring box 35 is installed to fixed plate 31 opposite side, be connected with the volute spiral spring between spring box 35 and the spool 33, accumulator 11 is equipped with logical groove 13, logical groove 13 both sides are equipped with second spout 14, second spout 14 matches has L type slider 15, L type slider 15 front end body coupling and the kicking block 151 that 34 size matching of cotton rope, accumulator 11 installs the arc piece 16 that matches with 34 size of cotton rope, be connected with second spring group 17 between arc piece 16 and the L type slider 15.
In this embodiment, when an anti-drop handheld large-current tester is used, the recovery tank 11 is hung at a safe position through the buckle plate 12, or can be hung on a belt of a user, and then the L-shaped slider 15 is pulled backwards, so that the tester main body 2 can be pulled out of the recovery tank 11, when the tester main body 2 drives the cord 34 to be pulled out to a proper length, the L-shaped slider 15 is loosened, and under the effect of the second spring group 17, the L-shaped slider 15 is pulled forwards to enable the top block 151 to push the cord 34 and contact the arc-shaped block 16, so that the cord 34 is fixed; when the tester body 2 is used, if the wiring terminal 29 needs to be used, the slider 212 can drive the sliding plate 211 to move upwards, so that the wiring terminal 29 in the groove 28 is exposed for use, and after the use is finished, when a wire leaves the wiring terminal 29, the ejector block 213 is ejected to drive the sliding plate 211 to move downwards under the effect of the first spring group 214 at the moment, so that the wiring terminal 29 is shielded and protected, dust is prevented from being connected, and the use reliability is reduced; when the reading on the display screen 21 is not clear, the buckling block 26 is taken out of the buckling groove 24, the hinged frame 25 is pulled to leave the position of the display screen 21, the transparent plate 27 is conveniently taken out of the frame 25, the smooth finish of the transparent plate 27 can be recovered after cleaning, if the transparent plate 27 is scratched or damaged, the transparent plate 27 needs to be replaced, however, the display screen 21 is always protected by the transparent plate 27, the display screen 21 cannot be lost, and the service life of the display screen 21 is ensured; the data displayed on the display screen 21 can be recorded by taking the writing pen 218 out of the placing groove 216 and writing on the writing paper board 217 in the fixed frame, so that forgetting is prevented; after the tester main body 2 is used, the L-shaped sliding block 15 is pulled backwards again, the winding shaft 33 is driven to rotate under the effect of the volute spiral spring in the spring box 35, the line rope 34 is curled, and therefore the tester main body 2 is driven to retract the recovery tank 11, and the use is rapid and convenient.
The contacts 22 are preferably provided with a protective sleeve designed to protect the contacts 22 when not in use, ensuring the useful life of the contacts 22, and in fact, the manner in which the contacts 22 are protected may be considered as appropriate.
Preferably, the inner plane of the frame 25 is slightly lower than the surface plane of the tester main body 2 after the fastening blocks 26 are fastened to the fastening grooves 24, so that the transparent plate 27 is prevented from being removed from the frame 25, and actually, the distance between the inner plane of the frame 25 and the surface plane of the tester main body 2 may be considered according to the specific situation.
The transparent plate 27 is preferably provided with a film, which is designed to prevent scratching, and in fact, the film may be selected according to specific circumstances.
Preferably, the two sides of the placing groove 216 are provided with the convenient taking grooves, so that the writing pen 218 can be conveniently taken, and in fact, the convenient taking mode of the writing pen 218 can be considered according to specific situations.
The holding position of preferred tester main part 2 is equipped with the rubber coating, and such design, antiskid sweat-absorbing promotes the feel, and in fact, also can consider the selection of rubber coating according to particular case.
The spool 33 is preferably provided with a thread groove, and such a design is preferable that the excessive deviation of the position is not easily generated when the cord 34 is wound, and actually, a mode in which the excessive deviation of the position is not easily generated when the cord 34 is wound may be considered according to the specific situation.
The contact end of the tester main body 2 and the recovery fastener 1 is preferably tapered, so that the tester main body can be easily inserted into the recovery groove 11, and in fact, the shape of the contact end of the tester main body 2 and the recovery fastener 1 can be considered according to specific situations.
Preferably, the contact position of the top block 151 and the cord 34 is provided with an arc-shaped gap, and such design increases the contact area and enhances the fixing effect on the cord 34, and in fact, the size of the arc-shaped gap can be considered according to specific situations.
Preferably, friction lines are arranged on the contact surfaces of the top block 151, the arc blocks 16 and the wire rope 34, so that the friction force is increased, the fixing effect on the wire rope 34 is further enhanced, and actually, the mode of increasing the friction force can be considered according to specific conditions.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an anti-drop hand-held type heavy current tester, is including retrieving fastener (1) and tester main part (2), tester main part (2) include display screen (21), contact (22) and control button (23), its characterized in that: the tester main body (2) is provided with a buckling groove (24), the tester main body (2) is hinged with a frame (25) of which the position is matched with a display screen (21), the frame (25) is integrally connected with a buckling block (26) matched with the buckling groove (24), the frame (25) is matched with a transparent plate (27), the side surface of the tester main body (2) is provided with a groove (28), a wiring terminal (29) is installed in the groove (28), the groove (28) is provided with a first sliding groove (210), the first sliding groove (210) is matched with a sliding plate (211), two sides of the sliding plate (211) are respectively connected with a sliding block (212) and a top block (213), a first spring group (214) is connected between the groove (28) and the top block (213), the back surface of the tester main body (2) is provided with a fixed frame (215) and a placing groove (216), and the fixed frame (215) is matched with a writing paperboard (217, the writing pen (218) is arranged on the placing groove (216), the recycling fastener (1) comprises a recycling groove (11) matched with the size of the tester body (2), the recycling groove (11) is connected with a buckle plate (12), a winding component (3) is installed on the recycling groove (11), the winding component (3) comprises a fixing plate (31) integrally connected with the recycling groove (11), a winding box (32) is installed on one side of the fixing plate (31), the fixing plate (31) is connected with a winding shaft (33) located in the center of the interior of the winding box (32) through a bearing, a wire rope (34) penetrating through the recycling groove (11) and connected with the tester body (2) is wound on the winding shaft (33), a spring box (35) is installed on the other side of the fixing plate (31), and a volute spiral spring is connected between the spring box (35) and the winding shaft (33), the recycling groove (11) is provided with a through groove (13), second sliding grooves (14) are formed in two sides of the through groove (13), the second sliding grooves (14) are matched with L-shaped sliding blocks (15), the front ends of the L-shaped sliding blocks (15) are integrally connected with ejector blocks (151) matched with the size of the wire rope (34), arc-shaped blocks (16) matched with the size of the wire rope (34) are installed on the recycling groove (11), and second spring groups (17) are connected between the arc-shaped blocks (16) and the L-shaped sliding blocks (15).
2. An anti-drop hand-held large current tester according to claim 1, characterized in that: the contact (22) is provided with a protective sleeve.
3. An anti-drop hand-held large current tester according to claim 2, characterized in that: after the buckling block (26) is buckled with the buckling groove (24), the inner plane of the frame (25) is slightly lower than the surface plane of the tester main body (2).
4. An anti-drop hand-held large current tester according to claim 3, characterized in that: the transparent plate (27) is provided with a film.
5. An anti-drop hand-held large current tester according to claim 4, characterized in that: convenient taking grooves are formed in the two sides of the placing groove (216).
6. An anti-drop hand-held large current tester according to claim 5, characterized in that: the holding position of the tester main body (2) is provided with rubber coating.
7. An anti-drop hand-held large current tester according to claim 6, characterized in that: the winding shaft (33) is provided with a wire groove.
8. An anti-drop hand-held large current tester according to claim 7, characterized in that: the contact end of the tester main body (2) and the recovery fastener (1) is conical.
9. An anti-drop hand-held large current tester according to claim 8, characterized in that: an arc-shaped notch is formed in the contact position of the top block (151) and the wire rope (34).
10. An anti-drop hand-held large current tester according to claim 9, characterized in that: friction grains are arranged on the contact surfaces of the top block (151), the arc-shaped blocks (16) and the thread rope (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520035.3A CN111766430A (en) | 2020-06-09 | 2020-06-09 | Anti-drop hand-held type heavy current tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520035.3A CN111766430A (en) | 2020-06-09 | 2020-06-09 | Anti-drop hand-held type heavy current tester |
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| Publication Number | Publication Date |
|---|---|
| CN111766430A true CN111766430A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520035.3A Pending CN111766430A (en) | 2020-06-09 | 2020-06-09 | Anti-drop hand-held type heavy current tester |
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| CN (1) | CN111766430A (en) |
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| CN109212314A (en) * | 2017-07-01 | 2019-01-15 | 江苏纳沛斯半导体有限公司 | A kind of dust-protection type hand-held resistance meter |
| CN209728032U (en) * | 2019-03-04 | 2019-12-03 | 广西民族师范学院 | A kind of analog circuit fault diagnosing voltage measuring apparatus |
| CN210295735U (en) * | 2019-07-16 | 2020-04-10 | 合肥鑫润光电科技有限公司 | LED display screen convenient to change protection shield |
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2020
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204989280U (en) * | 2015-08-31 | 2016-01-20 | 卫昱含 | Universal meter |
| CN205318291U (en) * | 2016-01-25 | 2016-06-15 | 湖南财政经济学院 | Eyeshield type computer display |
| CN206506522U (en) * | 2017-03-15 | 2017-09-19 | 天津比信科技股份有限公司 | A kind of dust-proof intercom in building site |
| CN206638247U (en) * | 2017-04-25 | 2017-11-14 | 哈尔滨铭哲科技发展有限公司 | A kind of hand-held draught fan performance test instrument |
| CN206958555U (en) * | 2017-06-29 | 2018-02-02 | 中国计量大学 | A kind of height-adjustable outdoor LED display screen fixed mount |
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Application publication date: 20201013 |
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