CN217213107U - Voltage mutual inductance tester - Google Patents

Abstract

The utility model discloses a voltage mutual inductance tester, which comprises a box body, a test host, a first groove, a flip cover and a box cover, wherein a sealing mechanism and a locking mechanism are arranged between the flip cover and the first groove, and the outer side wall of the flip cover is fixedly connected with a handle; the sealing mechanism comprises an installation frame fixedly connected to the inner side wall of the turnover cover, an air bag is fixedly sleeved on the side wall of the installation frame, and an inflating mechanism used for inflating the air bag is arranged on the side wall of the installation frame; the locking mechanism comprises a jack arranged on the side wall of the first groove. This kind of voltage mutual inductance tester can close the locking at flip, carries out automatic charging to the gasbag, makes its inflation back offset with the inside wall of first recess for flip and the leakproofness of first recess are better, avoids entering such as dust and water stain, guarantees test host computer result of use and life, and, when flip opens, makes gasbag automatic contraction reset, can avoid the gasbag wearing and tearing, guarantees its sealed effect and life.

Description

Voltage mutual inductance tester

Technical Field

The utility model relates to an electric power tester technical field specifically is a mutual inductance of voltage tester.

Background

Publication number CN207675924U discloses an integrated current-voltage transformer field tester, including: the test device comprises a box body, a box cover and a test main body, wherein the box body is hinged with the box cover; the lower part of the box body is provided with a drawer, the box body comprises a box body, one side wall of the box body is inwards sunken to form a first groove, the test main body is embedded in the box body, and the wiring end of the test main body extends into the first groove. According to the field tester for the current-voltage transformer, the wiring terminal is arranged in the box body, so that the wiring terminal or a connecting wire is not easily touched during testing, and the safety of workers is protected; the flip cover can effectively prevent the wiring terminal from entering dust and being damaged when not in use; the flip cover can be fixed on the box body by arranging the lock catch.

However, this kind of current-voltage transformer field tester is when using, and the leakproofness between flip and the first recess is relatively poor, and after closing, can't play fine isolated effect to dust and water stain etc. still can get into inside, influence the result of use and the life-span of test main part dust and water stain etc..

Therefore, a voltage transformer tester is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mutual inductance of voltage tester to current voltage transformer field tester who proposes in solving above-mentioned background art is when using, and the leakproofness between flip and the first recess is relatively poor, and after closing, can't play fine isolated effect to dust and water stain etc. and dust and water stain etc. still can get into inside, influence the result of use of test main part and the problem of life-span.

In order to achieve the above object, the utility model provides a following technical scheme: a voltage mutual inductance tester comprises a box body, a test host, a first groove, a flip cover and a box cover, wherein a sealing mechanism and a locking mechanism are arranged between the flip cover and the first groove, and a handle is fixedly connected to the outer side wall of the flip cover;

the sealing mechanism comprises an installation frame fixedly connected to the inner side wall of the turnover cover, an air bag is fixedly sleeved on the side wall of the installation frame, and an inflating mechanism used for inflating the air bag is arranged on the side wall of the installation frame;

the locking mechanism comprises a jack arranged on the side wall of the first groove, a supporting block is fixedly connected to the side wall of the mounting frame, a sliding rod is inserted into the side wall of the supporting block, and a first pushing mechanism used for pushing the sliding rod to move is arranged on the side wall of the turnover cover.

Preferably, the inflation mechanism includes the gas receiver of fixed connection on the installing frame lateral wall, and gas receiver and gasbag intercommunication, the gas receiver intussuseption is filled with gas, and sliding connection has the carriage release lever in the gas receiver, flip's lateral wall is provided with and is used for promoting the second pushing mechanism that the carriage release lever carries out the removal.

Preferably, first pushing mechanism is including seting up the mounting groove at the flip lateral wall, and the bottom of mounting groove rotates through the pivot and is connected with the runner, the other end of pivot runs through flip's inside wall and fixed cover and is equipped with the worm, the first fixed plate that two symmetries of flip's inside wall fixedly connected with set up, and two relative lateral walls of first fixed plate rotate and are connected with the worm wheel, the worm wheel sets up with the worm meshing, and the worm wheel cover is established on the lateral wall of slide bar, the lateral wall of slide bar is provided with the external screw thread, and the inside wall threaded connection of external screw thread and worm wheel.

Preferably, the inner side wall of the flip cover is fixedly connected with a second fixing plate, the side wall of the second fixing plate is provided with a sliding groove, the side wall of the sliding rod is fixedly connected with a fixing strip, the sliding rod is inserted into the side wall of the second fixing plate, and the fixing strip slides in the sliding groove.

Preferably, the side wall of the mounting groove is hinged with a cover plate, and the side wall of the cover plate is fixedly connected with a fixing pin.

Preferably, second pushing mechanism includes the first fixed block of fixed connection on the flip inside wall, and the first rack of lateral wall fixedly connected with of first fixed block, the lateral wall fixedly connected with L shaped plate of slide bar, and the lateral wall of L shaped plate rotates through the rotating pin and is connected with the gear, gear and first rack toothing set up, and flip's inside wall is connected with the second rack through slide mechanism, the second rack sets up with gear engagement, and the lateral wall fixedly connected with dead lever of second rack, the other end of dead lever and the end fixing of slide bar.

Preferably, slide mechanism includes the second fixed block that two symmetries set up on the flip inside wall of fixed connection, and the guide bar that two symmetries of lateral wall fixedly connected with of second fixed block set up, the lateral wall cover of guide bar is equipped with the sliding block, and the sliding block is fixed with the lateral wall of second rack.

Preferably, the side wall of the moving rod matched with the air cylinder is provided with a sealing ring.

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

1. this kind of mutual inductance of voltage tester, through setting up locking mechanism etc. closes flip back, rotates the runner, and the rotation of runner drives the rotation of pivot and worm, and then drives the rotation of worm wheel to make the slide bar move to the direction that is close to the jack along the lateral wall of worm wheel, and insert the jack with the one end of slide bar, realize locking flip, and, guarantee the joint strength of flip and installing frame, avoid becoming flexible.

2. According to the voltage mutual inductance tester, by arranging the sealing mechanism and the like, when the sliding rod moves towards the direction close to the jack, the L-shaped plate drives the gear to synchronously move, and the gear is meshed with the first rack, so that the gear rotates on the side wall of the first rack, the second rack is meshed with the gear, the rotation of the gear drives the second rack to move, and the stroke of the second rack is amplified by multiple times; and, the removal of second rack drives the carriage release lever through the dead lever and slides to the gas receiver, thereby fill the gas of keeping in the gas receiver in the gasbag completely, make the inside wall of gasbag inflation back and first recess offset, thereby make the leakproofness of flip and first recess better, avoid entering such as dust and water stain, guarantee test host computer result of use and life, when flip opens, gas in the gasbag is taken out and is kept in the gas receiver, make its inside wall with first recess no longer offset, thereby can avoid gasbag wearing and tearing, guarantee its sealed effect and life, realize promptly when locking flip, guarantee the leakproofness after its locking, and is more convenient to use, the effect is better.

Drawings

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

fig. 2 is a schematic perspective view of another perspective of the present invention;

fig. 3 is a schematic structural view of the sealing mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the mounting groove of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 6 is an enlarged view of the structure at B in FIG. 3;

FIG. 7 is an enlarged view of the structure at C in FIG. 4;

FIG. 8 is an enlarged view of the structure of FIG. 5 at D;

fig. 9 is an enlarged schematic view of fig. 6 at E.

In the figure: 101. a box body; 102. a test host; 103. a first groove; 104. a cover is turned; 105. a box cover; 201. a support block; 202. a slide bar; 203. a jack; 301. a rotating shaft; 302. a worm; 303. mounting grooves; 304. an external thread; 305. a rotating wheel; 306. a first fixing plate; 307. a worm gear; 401. an air cylinder; 402. a travel bar; 501. a first fixed block; 502. a first rack; 503. an L-shaped plate; 504. a gear; 505. a second rack; 506. fixing the rod; 601. a second fixed block; 602. a guide bar; 603. a slider; 701. a second fixing plate; 702. a sliding groove; 703. a fixing strip; 801. installing a frame; 802. an air bag; 901. a cover plate; 902. a fixing pin; 10. and (4) a handle.

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. 1-9, the present invention provides a technical solution: a voltage mutual inductance tester comprises a box body 101, a test host 102, a first groove 103, a flip cover 104 and a box cover 105, wherein a sealing mechanism and a locking mechanism are arranged between the flip cover 104 and the first groove 103, the outer side wall of the flip cover 104 is fixedly connected with a handle 10, and an air bag 802 can be automatically inflated while the flip cover 104 is locked, so that the air bag 802 can be abutted against the inner side wall of the first groove 103 after being expanded, the sealing performance of the flip cover 104 and the first groove 103 is better, dust, water stain and the like can be prevented from entering, the use effect and the service life of the test host 102 can be ensured, and the air bag 802 can be automatically contracted and reset when the flip cover 104 is opened, the abrasion of the air bag 802 can be avoided, and the sealing effect and the service life of the test host can be ensured;

the sealing mechanism comprises an installation frame 801 fixedly connected to the inner side wall of the flip cover 104, an air bag 802 is fixedly sleeved on the side wall of the installation frame 801, an inflating mechanism used for inflating the air bag 802 is arranged on the side wall of the installation frame 801, and the air bag 802 is inflated and then abuts against the inner side wall of the first groove 103, so that the flip cover 104 and the first groove 103 are better in sealing performance, dust, water stain and the like are prevented from entering, and the use effect and the service life of the test host 102 are ensured;

locking mechanism is including offering jack 203 on the first recess 103 lateral wall, and the lateral wall fixedly connected with supporting shoe 201 of installing frame 801, the lateral wall of supporting shoe 201 is inserted and is equipped with slide bar 202, and the lateral wall of flip 104 is provided with the first pushing mechanism who is used for promoting slide bar 202 and removes, promote slide bar 202 through first pushing mechanism and remove, and insert jack 203 with the one end of slide bar 202, the realization is locked flip 104, and, guarantee flip 104 and installing frame 801's joint strength, avoid becoming flexible.

Further, the inflation mechanism includes gas receiver 401 of fixed connection on the installing frame 801 lateral wall, and gas receiver 401 and gasbag 802 intercommunication, and the gas receiver 401 intussuseption is filled with gas, and sliding connection has carriage release lever 402 in the gas receiver 401, and the lateral wall of flip 104 is provided with the second pushing mechanism who is used for promoting carriage release lever 402 to carry out the removal, promotes carriage release lever 402 through second pushing mechanism and removes to aerify gasbag 802, make its inflation.

Further, the first pushing mechanism includes a mounting groove 303 disposed on an outer sidewall of the lid 104, a rotating wheel 305 is rotatably connected to a bottom of the mounting groove 303 through a rotating shaft 301, another end of the rotating shaft 301 penetrates through an inner sidewall of the lid 104 and is fixedly sleeved with a worm 302, the inner sidewall of the lid 104 is fixedly connected with two first fixing plates 306 symmetrically disposed, and opposing sidewalls of the two first fixing plates 306 are rotatably connected with a worm wheel 307, the worm wheel 307 is engaged with the worm 302, the worm wheel 307 is sleeved on a sidewall of the sliding rod 202, a sidewall of the sliding rod 202 is provided with an external thread 304, and the external thread 304 is in threaded connection with the inner sidewall of the worm wheel 307, the rotating wheel 305 is rotated, rotation of the rotating wheel 305 drives rotation of the rotating shaft 301 and the worm 302 to further drive rotation of the worm wheel 307, so that the sliding rod 202 moves toward a direction close to the insertion hole 203 along the sidewall of the worm wheel 307, and one end of the sliding rod 202 is inserted into the insertion hole 203, the locking of the flip cover 104 is realized, and the connection strength between the flip cover 104 and the mounting frame 801 is ensured, so as to avoid looseness.

Further, the inner side wall of the flip cover 104 is fixedly connected with a second fixing plate 701, the side wall of the second fixing plate 701 is provided with a sliding groove 702, the side wall of the sliding rod 202 is fixedly connected with a fixing strip 703, the sliding rod 202 is inserted into the side wall of the second fixing plate 701, and the fixing strip 703 slides in the sliding groove 702, so as to guide the movement of the sliding rod 202.

Further, the side wall of the mounting groove 303 is hinged with a cover plate 901, and the side wall of the cover plate 901 is fixedly connected with a fixing pin 902, so as to protect the runner 305 and the like.

Further, the second pushing mechanism comprises a first fixing block 501 fixedly connected to the inner side wall of the flip cover 104, and the side wall of the first fixing block 501 is fixedly connected with a first rack 502, the side wall of the sliding rod 202 is fixedly connected with an L-shaped plate 503, and the side wall of the L-shaped plate 503 is rotatably connected with a gear 504 through a rotating pin, the gear 504 is arranged in mesh with the first rack 502, and the inner side wall of the flip cover 104 is connected with a second rack 505 through a sliding mechanism, the second rack 505 is arranged in mesh with the gear 504, and the side wall of the second rack 505 is fixedly connected with a fixing rod 506, the other end of the fixing rod 506 is fixed with the end of the moving rod 402, when the sliding rod 202 moves towards the direction close to the jack 203, the gear 504 is driven by the L-shaped plate 503 to move synchronously, and the gear 504 is arranged in mesh with the first rack 502, so that the gear 504 rotates on the side wall of the first rack 502, and the second rack 505 is arranged in mesh with the gear 504, the rotation of the gear 504 drives the second rack 505 to move, and the stroke of the second rack 505 is amplified by multiple times; and, the movement of the second rack 505 drives the moving rod 402 to slide into the air reservoir 401 through the fixed rod 506, so that the air stored in the air reservoir 401 is completely filled into the air bag 802.

Further, the sliding mechanism includes two second fixed blocks 601 that are symmetrically arranged and fixedly connected to the inner side wall of the flip cover 104, and two guide rods 602 that are symmetrically arranged and fixedly connected to the side wall of the second fixed block 601, a sliding block 603 is sleeved on the side wall of the guide rods 602, and the sliding block 603 is fixed to the side wall of the second rack 505, so as to guide and limit the movement of the second rack 505.

Further, the lateral wall that the carriage release lever 402 and gas receiver 401 matched with is provided with the sealing washer, guarantees its leakproofness, avoids the gas of keeping in the gas receiver 401 to follow the lateral wall seepage of carriage release lever 402.

The working principle is as follows: when the locking device is used, firstly, after the flip cover 104 is closed, the rotating wheel 305 is rotated, the rotating wheel 305 rotates to drive the rotating shaft 301 and the worm 302 to rotate, and further the worm wheel 307 is driven to rotate, so that the sliding rod 202 moves towards the direction close to the jack 203 along the side wall of the worm wheel 307, one end of the sliding rod 202 is inserted into the jack 203, the flip cover 104 is locked, the connection strength between the flip cover 104 and the mounting frame 801 is ensured, and looseness is avoided;

meanwhile, when the sliding rod 202 moves towards the direction close to the insertion hole 203, the L-shaped plate 503 drives the gear 504 to move synchronously, and the gear 504 is meshed with the first rack 502, so that the gear 504 rotates on the side wall of the first rack 502, and the second rack 505 is meshed with the gear 504, the rotation of the gear 504 drives the second rack 505 to move, and the stroke of the second rack 505 is amplified by multiple times;

meanwhile, the movement of the second rack 505 drives the moving rod 402 to slide towards the air reservoir 401 through the fixed rod 506, so that the gas temporarily stored in the air reservoir 401 is completely filled into the air bag 802, and the air bag 802 is expanded to abut against the inner side wall of the first groove 103, so that the sealing performance of the flip cover 104 and the first groove 103 is better, dust, water stain and the like are prevented from entering, and the use effect and the service life of the test host 102 are ensured;

and, when flip 104 opened, the gas in the gasbag 802 was taken back and is kept in the gas receiver 401, makes its inside wall with first recess 103 no longer offset to can avoid gasbag 802 wearing and tearing, guarantee its sealed effect and life, realize promptly when locking flip 104, guarantee the leakproofness after its locking, it is more convenient to use, the effect is better.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (8)

1. The utility model provides a mutual inductance tester of voltage, includes box (101), test host computer (102), first recess (103), flip (104) and case lid (105), its characterized in that: a sealing mechanism and a locking mechanism are arranged between the flip cover (104) and the first groove (103), and the outer side wall of the flip cover (104) is fixedly connected with a handle (10);

the sealing mechanism comprises an installation frame (801) fixedly connected to the inner side wall of the turnover cover (104), an air bag (802) is fixedly sleeved on the side wall of the installation frame (801), and an inflating mechanism used for inflating the air bag (802) is arranged on the side wall of the installation frame (801);

the locking mechanism comprises a jack (203) arranged on the side wall of the first groove (103), the side wall of the mounting frame (801) is fixedly connected with a supporting block (201), a sliding rod (202) is inserted into the side wall of the supporting block (201), and a first pushing mechanism used for pushing the sliding rod (202) to move is arranged on the side wall of the turnover cover (104).

2. The voltage mutual inductance tester according to claim 1, wherein: the inflation mechanism comprises an air storage cylinder (401) fixedly connected to the side wall of the mounting frame (801), the air storage cylinder (401) is communicated with an air bag (802), the air storage cylinder (401) is filled with air, a moving rod (402) is connected to the air storage cylinder (401) in a sliding mode, and a second pushing mechanism used for pushing the moving rod (402) to move is arranged on the side wall of the flip cover (104).

3. The voltage mutual inductance tester of claim 1, wherein: first pushing mechanism is including offering mounting groove (303) at flip (104) lateral wall, and the bottom of mounting groove (303) rotates through pivot (301) and is connected with runner (305), the other end of pivot (301) runs through the inside wall of flip (104) and fixed cover is equipped with worm (302), first fixed plate (306) that the inside wall fixedly connected with of flip (104) two symmetries set up, and two relative lateral walls of first fixed plate (306) rotate and are connected with worm wheel (307), worm wheel (307) set up with worm (302) meshing, and worm wheel (307) cover is established on the lateral wall of slide bar (202), the lateral wall of slide bar (202) is provided with external screw thread (304), and the inside wall threaded connection of external screw thread (304) and worm wheel (307).

4. The voltage mutual inductance tester according to claim 3, wherein: the utility model discloses a flip-open type portable electronic device, including flip (104), the inside wall fixedly connected with second fixed plate (701) of flip (104), and sliding tray (702) have been seted up to the lateral wall of second fixed plate (701), the lateral wall fixedly connected with fixed strip (703) of slide bar (202), slide bar (202) are inserted and are established on the lateral wall of second fixed plate (701), and fixed strip (703) slide in sliding tray (702).

5. The voltage mutual inductance tester according to claim 3, wherein: the side wall of the mounting groove (303) is hinged with a cover plate (901), and the side wall of the cover plate (901) is fixedly connected with a fixing pin (902).

6. The voltage mutual inductance tester according to claim 2, wherein: the second pushing mechanism comprises a first fixed block (501) fixedly connected to the inner side wall of the turning cover (104), a first rack (502) fixedly connected to the side wall of the first fixed block (501), an L-shaped plate (503) fixedly connected to the side wall of the sliding rod (202), a gear (504) rotatably connected to the side wall of the L-shaped plate (503) through a rotating pin, the gear (504) is meshed with the first rack (502), the inner side wall of the turning cover (104) is connected with a second rack (505) through a sliding mechanism, the second rack (505) is meshed with the gear (504), a fixed rod (506) fixedly connected to the side wall of the second rack (505), and the other end of the fixed rod (506) is fixed to the end of the moving rod (402).

7. The voltage transformer tester of claim 6, wherein: slide mechanism includes second fixed block (601) that two symmetries set up on flip (104) inside wall of fixed connection, and the lateral wall fixedly connected with guide bar (602) that two symmetries set up of second fixed block (601), the lateral wall cover of guide bar (602) is equipped with sliding block (603), and sliding block (603) are fixed with the lateral wall of second rack (505).

8. The voltage mutual inductance tester according to claim 2, wherein: and a sealing ring is arranged on the side wall of the moving rod (402) matched with the air cylinder (401).

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