Wireless transformation ratio testing device

Abstract

The utility model discloses a wireless transformation ratio testing device which comprises a main box body and a drawing box, the drawing box is movably connected between two sides in the main box body, the inner side of the drawing box is provided with an inner cavity, two sides of the inner wall of the inner cavity are welded with shaft sleeves, and a rotating box is movably connected between one sides of the shaft sleeves. Bolts are connected between the two sides of the rotating box and the shaft sleeves in an engaged mode. According to the wireless transformation ratio testing device, the tester is clamped in the center between the clamping plates, the protrusions on the two sides of the bottom of the rotating box are embedded in the arc-shaped sliding ways through the steel balls, the rotating box can swing from the front after being pulled out from the left side, and at the moment, the bottom of the rotating box tilts backwards along the arc-shaped sliding ways and is locked through the bolts, so that the rotating box can rotate. The tester can be operated according to a proper posture, the clamping plate is also horizontally clamped outside the symmetrical lead screws, when the tester is turned, the clamping plate can be transversely moved, the tester can be fixed in a suspended mode, and the problem that the tester is fixed in a using mode is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless transformation ratio testing, in particular to a wireless transformation ratio testing device. Background Art

[0002] The transformation ratio is the ratio of the current changes of the input and output transformers. From this numerical ratio, we can know the ability of the transformer connected here to amplify and reduce, ensure that the current passing through this place is maintained within a certain pressure range, reduce the error to a minimum, and avoid overloading the device. In order to monitor in real time, workers often bring test equipment to a specific location to detect the transformation ratio value.

[0003] The wiring harnesses to be tested need to be inserted into the instrument according to the socket instructions. The results can be transmitted a certain distance via radio signals so that workers waiting at the terminal can get the news immediately. However, the internal structure of such devices in the past was compact, the external shell was thick and hard, and there was a lack of ventilation and heat dissipation structure. People always had to lower their heads when using them, which could hurt the cervical and shoulder vertebrae.

[0004] Now, a new type of wireless transformation ratio testing device is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a wireless ratio test device to solve the problem of fixed instrument usage in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wireless ratio testing device, comprising a main box body and a drawer box, the drawer box is movably connected between the two sides inside the main box body, and an inner cavity is arranged on the inner side of the drawer box, shaft sleeves are welded on the two sides of the inner wall of the inner cavity, and a rotating box is movably connected between one side of the shaft sleeve, the two sides of the rotating box are respectively meshed with bolts between the shaft sleeves, arc slides are arranged on the two sides below the inner cavity, steel balls are movably inlaid on the two sides of the bottom of the rotating box, the front and rear of the center of the rotating box are both laterally movably connected with screw rods, and the two sides between the outer ends of the screw rods are laterally sleeved with card plates, screw holes are laterally arranged at the front and rear of the card plates, a tester is clamped at the center between the card plates, and a cover plate is fixedly connected between the top of the tester and the rotating box, and a ventilation fan is installed at the center of the bottom of the drawer box.

[0007] Preferably, both sides of the bottom of the rotating box are embedded in the arc-shaped slideway, and the steel balls can slide back and forth along the inner wall of the arc-shaped slideway.

[0008] Preferably, the clamping plate is transversely sleeved between the front and rear screw rods, and the inner wall of the screw hole matches the outer texture of the screw rod.

[0009] Preferably, activity spaces are respectively provided at the four corners on the upper interior of the main box body, and guide rods are longitudinally welded on the inner side of the activity spaces, sleeve blocks are movably sleeved on the outside of the guide rods, and balls are movably inlaid on the outer sides of the sleeve blocks, pressure plates are transversely welded between the sleeve blocks, and two groups of short rods are respectively welded in front and rear of the top of the pressure plates, pull rods are transversely welded between the tops of the short rods, two groups of springs are respectively welded in front and rear between the main box body and the pressure plate, grooves are both chiseled in the front and rear of the top of the main box body, and handles are welded on both sides of the top of the main box body.

[0010] Preferably, the pull rod is overlapped in the groove, and the short rod passes through both sides of the groove respectively.

[0011] Preferably, the sleeve block is sleeved on the outside of the guide rod, and the sleeve block is arranged at the four corners of the pressure plate.

[0012] Preferably, a blocking plate is welded on the right side of the drawer box, a baffle is welded on the left side of the drawer box, sockets are horizontally arranged at the front and rear ends of the left side of the bottom of the main box body, and a thin rod is movably inserted in the socket, a pad is welded between the left side of the thin rod and the drawer box, fixed blocks are respectively welded on the upper left side of the front end and the rear end of the main box body, and a clamping block is movably connected to the left side of the fixed block.

[0013] Preferably, the clamping block can be wrapped around the two ends of the outer side of the baffle, and the clamping block can rotate in situ on the left side of the fixed block.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the wireless ratio test device not only enables the instrument to be used at multiple angles, protects the instrument's operating panel, but also prevents the instrument's main body from being damaged;

[0015] (1) The tester is clamped at the center between the clamping plates, and the protrusions on both sides of the bottom of the rotating box are respectively embedded in the arc-shaped slideway by means of steel balls. After the rotating box is pulled out from the left side, the rotating box embedded in the shaft sleeves on both sides can be swung from the front. At this time, the bottom of the rotating box is tilted back along the arc-shaped slideway. After being locked with bolts, the tester can be operated according to a suitable posture. The clamping plate is also horizontally clamped on the outside of the symmetrical screw rod. When this object is turned, the clamping plate can be moved horizontally, so that the tester is in a suspended fixed state, which is convenient for the ventilation fan at the bottom to take away the hot air flow inside the device;

[0016] (2) A pressure plate is welded horizontally between the sets of blocks. The pull rod is held in the grooves at both ends and lifted. The pressure plate is lifted by a short rod wrapped with a spring. The four corners of the object are connected to the sets of blocks, and the sets of blocks are also in contact with the inner wall of the activity space through the ball bearings. When the pressure plate moves, it slides along the guide rod. When the drawer box returns to the inside of the main box, it is locked to prevent the top of the tester from colliding with other objects during the movement of the instrument.

[0017] (3) By inserting a thin rod into the socket, turning the two sets of card blocks on the upper left of the main box body, and holding the baffle that has been freed from the shackles, the drawer box can be easily pulled out of the main box body. At this time, the thin rod in the socket will also move horizontally for a distance. The two sets of feet on the lower left can play a supporting role and maintain the balance of the drawer even after it is pulled out. After closing, turn the card block to lock the left side of the drawer box, and hold the handle to carry it safely anywhere. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the drawer box of the utility model;

[0020] Figure 3 This is a schematic diagram of the front cross-sectional structure of the activity space of the utility model;

[0021] Figure 4 It is a schematic diagram of the top view of the drawer box of the utility model.

[0022] In the figure: 1. main box body; 2. inner cavity; 3. baffle plate; 4. socket; 5. drawer box; 6. thin rod; 7. ventilating fan; 8. foot; 9. baffle; 10. bushing; 11. bolt; 12. rotating box; 13. cover plate; 14. tester; 15. screw rod; 16. clamping plate; 17. guide rod; 18. handle; 19. pull rod; 20. groove; 21. short rod; 22. spring; 23. movable space; 24. ball bearing; 25. sleeve block; 26. screw hole; 27. arc slide; 28. steel ball; 29. ​​clamping block; 30. fixing block; 31. pressure plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4A wireless ratio test device comprises a main box body 1 and a drawer box 5, wherein the drawer box 5 is movably connected between the two sides inside the main box body 1, and an inner cavity 2 is arranged on the inner side of the drawer box 5, shaft sleeves 10 are welded on both sides of the inner wall of the inner cavity 2, and a rotating box 12 is movably connected between one side of the shaft sleeve 10, and bolts 11 are respectively meshed and connected between the shaft sleeves 10 on both sides of the rotating box 12, arc-shaped slideways 27 are arranged on both sides below the inner cavity 2, and steel balls 28 are movably embedded on both sides of the bottom of the rotating box 12, and a screw rod 15 is movably connected to the front and rear of the center of the rotating box 12, and a card plate 16 is transversely sleeved on both sides between the outer ends of the screw rod 15, and screw holes 26 are transversely arranged on the front and rear of the card plate 16, and a tester 14 is clamped at the center between the card plates 16, and a cover plate 13 is fixedly connected between the top of the tester 14 and the rotating box 12, and a ventilation fan 7 is installed at the center of the bottom of the drawer box 5;

[0025] Both sides of the bottom of the rotating box 12 are embedded in the arc-shaped slideway 27, and the steel ball 28 can slide forward and backward along the inner wall of the arc-shaped slideway 27. The clamping plate 16 is transversely sleeved between the front and rear screw rods 15, and the inner wall of the screw hole 26 matches the outer texture of the screw rod 15;

[0026] Specifically, Figure 1 and Figure 2 As shown, the protrusions on both sides of the bottom of the rotating box 12 are respectively embedded in the arc-shaped slide 27 by means of steel balls 28. After the rotating box 12 is pulled out from the left side, the rotating box 12 embedded in the shaft sleeve 10 on both sides can be swung from the front. At this time, the bottom of the rotating box 12 is tilted backward along the arc-shaped slide 27. After being locked with the bolt 11, the tester 14 can be operated according to a posture suitable for itself. The clamping plate 16 is also horizontally clamped on the outside of the symmetrical screw rod 15. When this object is turned, the clamping plate 16 can be moved horizontally, so that the tester 14 is in a suspended fixed state for heat dissipation.

[0027] Embodiment 2: Activity spaces 23 are respectively provided at the four corners of the upper part of the main box body 1, and a guide rod 17 is longitudinally welded to the inner side of the activity space 23, a sleeve block 25 is movably sleeved on the outside of the guide rod 17, and a ball 24 is movably inlaid on the outer side of the sleeve block 25, a pressing plate 31 is transversely welded between the sleeve blocks 25, and two groups of short rods 21 are respectively welded in front and rear of the top of the pressing plate 31, and a pull rod 19 is transversely welded between the tops of the short rods 21, two groups of springs 22 are respectively welded in front and rear between the main box body 1 and the pressing plate 31, grooves 20 are both excavated in front and rear of the top of the main box body 1, and handles 18 are welded on both sides of the top of the main box body 1;

[0028] The pull rod 19 is overlapped in the groove 20, the short rod 21 passes through the two sides of the groove 20 respectively, the sleeve block 25 is sleeved on the outside of the guide rod 17, and the sleeve block 25 is arranged at the four corners of the pressure plate 31;

[0029] Specifically, Figure 1 and Figure 3 As shown, hold the pull rod 19 from the grooves 20 at both ends and lift the object, and the short rod 21 wrapped with a spring 22 lifts the pressure plate 31. The four corners of the object are respectively connected to the sleeve blocks 25, and the sleeve blocks 25 also contact the inner wall of the activity space 23 through the ball bearings 24. When the pressure plate 31 moves, it slides along the guide rod 17. When the drawer box 5 returns to the inside of the main box body 1, it is locked by snapping to prevent the instrument from bumping during movement.

[0030] Embodiment 3: A baffle plate 3 is welded on the right side of the drawer box 5, a baffle plate 9 is welded on the left side of the drawer box 5, and a plug hole 4 is horizontally arranged at both the front and rear ends of the left side of the bottom of the main box body 1, and a thin rod 6 is movably inserted in the plug hole 4, and a pad 8 is welded between the left side of the thin rod 6 and the drawer box 5, and a fixed block 30 is respectively welded on the upper left side of the front end and the rear end of the main box body 1, and a clamping block 29 is movably connected to the left side of the fixed block 30, and the clamping block 29 can be wrapped around the outer ends of the baffle plate 9, and the clamping block 29 can rotate in situ on the left side of the fixed block 30;

[0031] Specifically, Figure 1 and Figure 4 As shown, by turning the two sets of snap-fit ​​blocks 29 on the upper left of the main box body 1 and holding the baffle 9 that has been freed from the shackles, the drawer box 5 can be easily drawn out of the main box body 1. At this time, the thin rod 6 in the socket 4 also moves horizontally for a distance. The two sets of feet 8 on the lower left can play a supporting role and maintain the balance of the drawer box 5 even after it is taken out. After closing, the snap-fit ​​block 29 is turned to lock the left side of the drawer box 5.

[0032] Working principle: When the utility model is in use, first, turn the two groups of card blocks 29 on the upper left of the main box body 1, hold the baffle 9 that has lost its shackles, and you can easily draw out the drawer 5 from the main box body 1. At this time, the thin rod 6 in the jack 4 also moves horizontally for a distance, and the two groups of pads 8 on the lower left can play a supporting role, and can maintain the balance of the drawer 5 even after it is led out. The protrusions on both sides of the bottom of the rotating box 12 are respectively embedded in the arc-shaped slide 27 by means of steel balls 28. After the rotating box 12 is pulled out from the left side, the rotating box 12 embedded in the shaft sleeve 10 on both sides can be swung from the front. At this time, the bottom of the rotating box 12 is tilted back along the arc-shaped slide 27. After locking it with the bolt 11, you can operate the tester 14 according to your own suitable posture, and the card plate 1 6 is also horizontally clamped on the outside of the symmetrical screw rod 15. When this object is turned, the clamping plate 16 can be moved horizontally, so that the tester 14 is in a suspended fixed state, which is convenient for the ventilation fan 7 at the bottom to take away the hot air flow inside the device. Finally, the pull rod 19 is held from the grooves 20 at both ends and the object is lifted. The short rod 21 wrapped with the spring 22 lifts the pressure plate 31. The four corners of this object are respectively connected to the sleeve block 25, and the sleeve block 25 also contacts the inner wall of the activity space 23 through the ball 24. When the pressure plate 31 moves, it slides along the guide rod 17. When the drawer box 5 returns to the inside of the main box body 1, it is clamped and locked to prevent the top of the tester 14 from colliding with other objects during the movement of the instrument. After closing, the clamping block 29 is turned to lock the left side of the drawer box 5.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A wireless transformation ratio test device, comprising a main box (1) and a drawer box (5), characterized in that: A draw box (5) is movably connected between the two sides inside the main box body (1), and an inner cavity (2) is arranged inside the draw box (5), shaft sleeves (10) are welded on both sides of the inner wall of the inner cavity (2), and a rotating box (12) is movably connected between one side of the shaft sleeve (10), and bolts (11) are respectively engaged with the shaft sleeve (10) on both sides of the rotating box (12), and arc-shaped slideways (27) are arranged on both sides below the inner cavity (2), and steel balls (27) are movably embedded on both sides of the bottom of the rotating box (12). 8), a screw rod (15) is movably connected to the front and rear of the center of the rotating box (12) in a transverse manner, and a clamping plate (16) is transversely sleeved on both sides between the outer ends of the screw rod (15), and screw holes (26) are transversely arranged at the front and rear of the inside of the clamping plate (16), a tester (14) is clamped at the center between the clamping plates (16), and a cover plate (13) is fixedly connected between the top of the tester (14) and the rotating box (12), and a ventilation fan (7) is installed at the center of the bottom of the extraction box (5).

2. A wireless transformation ratio test device according to claim 1, characterized in that: Both sides of the bottom of the rotating box (12) are embedded in the arc-shaped slideway (27), and the steel ball (28) can slide forward and backward along the inner wall of the arc-shaped slideway (27).

3. A wireless transformation ratio test device according to claim 1, characterized in that: The clamping plate (16) is transversely sleeved between the front and rear screw rods (15), and the inner wall of the screw hole (26) matches the outer texture of the screw rod (15).

4. A wireless transformation ratio test device according to claim 1, characterized in that: Activity spaces (23) are respectively arranged at the four corners at the upper part of the main box body (1), and a guide rod (17) is longitudinally welded to the inner side of the activity space (23); a sleeve block (25) is movably sleeved on the outside of the guide rod (17), and a ball (24) is movably embedded on the outer side of the sleeve block (25); a pressure plate (31) is transversely welded between the sleeve blocks (25), and two groups of short rods (21) are respectively welded at the front and rear of the top of the pressure plate (31); a pull rod (19) is transversely welded between the tops of the short rods (21); two groups of springs (22) are respectively welded at the front and rear between the main box body (1) and the pressure plate (31); grooves (20) are both excavated at the front and rear of the top of the main box body (1), and handles (18) are welded on both sides of the top of the main box body (1).

5. A wireless transformation ratio test device according to claim 4, characterized in that: The pull rod (19) is overlapped in the groove (20), and the short rod (21) passes through both sides of the groove (20) respectively.

6. A wireless transformation ratio test device according to claim 4, characterized in that: The sleeve block (25) is sleeved on the outside of the guide rod (17), and the sleeve block (25) is arranged at the four corners of the pressure plate (31).

7. A wireless transformation ratio test device according to claim 1, characterized in that: A blocking plate (3) is welded to the right side of the drawer box (5), a baffle (9) is welded to the left side of the drawer box (5), and insertion holes (4) are transversely arranged at both the front and rear ends of the left side of the bottom of the main box body (1), and a thin rod (6) is movably inserted into the insertion hole (4), and a pad (8) is welded between the left side of the thin rod (6) and the drawer box (5), and fixed blocks (30) are respectively welded to the upper left of the front end and the rear end of the main box body (1), and the left side of the fixed block (30) is movably connected to a clamping block (29).

8. A wireless transformation ratio test device according to claim 7, characterized in that: The clamping block (29) can be wrapped around the two ends of the outer side of the baffle (9), and the clamping block (29) can rotate in situ on the left side of the fixing block (30).

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