CN215599345U

CN215599345U - Anti-falling handheld transformer transformation ratio tester

Info

Publication number: CN215599345U
Application number: CN202121813840.1U
Authority: CN
Inventors: 陈运坤; 殷媛佳
Original assignee: Shanghai Xinyin Electronic Technology Co ltd
Current assignee: Shanghai Xinyin Electronic Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-21
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an anti-falling handheld transformer transformation ratio tester, which comprises a placing box, wherein a driving mechanism is arranged on the placing box, a clamping mechanism is arranged inside the placing box, an anti-falling mechanism is arranged at the lower end of the placing box, a limiting mechanism is arranged on the anti-falling mechanism, a tester body is arranged on the placing box, the clamping mechanism comprises a double-headed screw, a threaded sleeve, a connecting piece, first movable rods, fixed blocks and a rubber clamping plate, a group of double-headed screws are rotatably arranged inside the placing box, a group of threaded sleeves are movably sleeved at the two ends of the double-headed screws, a group of connecting pieces are fixedly connected with the threaded sleeve, one end of a group of first movable rods is rotatably connected with the connecting piece, the other end of the group of first movable rods is movably sleeved on the surface of the group of fixed rods, and a group of fixed rods is fixedly arranged in the middle of the group of fixed blocks, the group of fixed blocks are fixedly arranged on the surface of the rubber clamping plate; has an influence on the test.

Description

Anti-falling handheld transformer transformation ratio tester

Technical Field

The utility model relates to the technical field of transformer transformation ratio testers, in particular to an anti-falling handheld transformer transformation ratio tester.

Background

The transformer transformation ratio tester uses a single chip microcomputer as a core to carry out measurement calculation and automatic control, and has a full Chinese menu operation interface, and the transformer transformation ratio tester has the advantages of visual display, good stability, high precision, wide measurement range, no need of a three-phase power supply on site and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-falling handheld transformer transformation ratio tester to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a falling-prevention handheld transformer transformation ratio tester comprises a placing box, wherein a driving mechanism is arranged on the placing box, a clamping mechanism is arranged inside the placing box, a falling-prevention mechanism is arranged at the lower end of the placing box, a limiting mechanism is arranged on the falling-prevention mechanism, and a tester body is arranged on the placing box;

fixture includes double-end screw, thread bush, connecting piece, first movable rod, dead lever, fixed block and rubber splint, and is a set of double-end screw rotates to be installed inside placing the box, and is a set of the activity of thread bush is cup jointed at double-end screw's both ends, and is a set of the fixed and thread bush fixed connection of connecting piece is a set of the one end and the connecting piece of first movable rod rotate to be connected, and the other end activity of a set of first movable rod cup joint on the surface of a set of dead lever, and is a set of dead lever fixed mounting is in the middle of a set of fixed block, and is a set of fixed block fixed mounting is on rubber splint's surface.

Preferably, the placing box is provided with a groove, the tester body is movably matched in the groove, and the size of the groove is larger than that of the tester body.

Preferably, actuating mechanism includes first synchronizing wheel, second synchronizing wheel and hold-in range, first synchronizing wheel and second synchronizing wheel respectively with a set of double-end screw's one end fixed connection, and first synchronizing wheel and second synchronizing wheel pass through the hold-in range and connect.

Preferably, the anti-falling mechanism comprises a handle, a support plate, a first connecting rod, a second connecting rod, a rubber belt, a connecting shaft, a toothed plate, a gear and a transmission rod, wherein the handle and a group of support plates are fixedly arranged at the lower end of the placing box, the first connecting rod is fixedly arranged in the middle of a group of support plates, and the rubber belt and a group of first connecting rods are fixedly connected.

Preferably, a set of the connecting axle is respectively fixed mounting in a set of the both ends of second connecting rod, pinion rack and connecting axle fixed connection, pinion rack movable mounting is in the inside of backup pad, the transfer line rotates the inside of installing in the backup pad, and the one end activity of transfer line runs through the backup pad, the fixed cover of gear is connected on the surface of transfer line, and gear and pinion rack meshing connection.

Preferably, the limiting mechanism comprises a ratchet wheel, a second movable rod, a balancing weight, an inserting rod, a pressing rod and a pawl, and the ratchet wheel is fixedly connected with one end of the transmission rod penetrating through the supporting plate.

Preferably, the second movable rod is rotatably installed on the surface of the supporting plate, the balancing weight is fixedly connected with one end of the second movable rod, and the lower end of the balancing weight is in contact with the upper end of the pawl.

Preferably, the inserted bar is rotatably arranged on the surface of the supporting plate, the pressure bar and the pawl are respectively and fixedly arranged at two ends of the inserted bar, and the pawl is meshed with the ratchet wheel.

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

1. when the tester is used, the tester body is placed in the groove, then the crank is rotated to drive the first synchronous wheel to rotate, the second synchronous wheel is driven to rotate through the synchronous belt, so that the group of double-threaded screws are driven to rotate, at the moment, the group of thread sleeves can relatively move along the double-threaded screws to drive the group of first movable rods to rotate, so that the group of rubber clamping plates are pushed to relatively move until the tester body is clamped, the tester body is clamped and fixed through the group of rubber clamping plates, and the situation that workers directly contact equipment with hands to cause influence on testing is avoided;

2. after the tester body centre gripping, the staff passes a set of rubber tape with the arm, and hold the handle, then with second connecting rod rebound, drive pinion rack rebound through the connecting axle, the pinion rack can drive gear revolve, after a set of rubber tape parcel lived the arm, the stop motion second connecting rod can, the rubber tape can adapt to different people's arm, overlap on staff's arm through the rubber tape, can prevent to skid because of staff's palm of the hand sweat makes the device body drop, thereby lead to the tester body to damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the storage case of the present invention;

FIG. 4 is a schematic view of the double-threaded screw structure of the present invention;

FIG. 5 is a schematic view of a support plate according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a schematic view of a ratchet structure of the present invention;

in the figure: 1. placing the box; 11. a tester body; 12. a groove; 2. a drive mechanism; 21. a first synchronizing wheel; 22. a second synchronizing wheel; 23. a synchronous belt; 3. a clamping mechanism; 31. a double-ended screw; 32. a threaded sleeve; 33. a connecting member; 34. a first movable bar; 35. fixing the rod; 36. a fixed block; 37. a rubber splint; 4. an anti-drop mechanism; 41. a grip; 42. a support plate; 43. a first connecting rod; 431. a second connecting rod; 44. a rubber belt; 45. a connecting shaft; 46. a toothed plate; 47. a gear; 48. a transmission rod; 5. a limiting mechanism; 51. a ratchet wheel; 52. a second movable bar; 53. a balancing weight; 54. inserting a rod; 55. a pressure lever; 56. a pawl.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a falling-prevention handheld transformer transformation ratio tester comprises a placing box 1, wherein notches are formed in two ends, located in a groove 12, of the placing box 1, so that a first movable rod 34 and a fixed block 36 can move conveniently, a driving mechanism 2 is arranged on the placing box 1, a clamping mechanism 3 is arranged inside the placing box 1, a falling-prevention mechanism 4 is arranged at the lower end of the placing box 1, a limiting mechanism 5 is arranged on the falling-prevention mechanism 4, and a tester body 11 is arranged on the placing box 1;

the clamping mechanism 3 comprises a double-thread screw 31, a thread bush 32, a connecting piece 33, a first movable rod 34, a fixed rod 35, a fixed block 36 and a rubber clamping plate 37, one group of the double-thread screw 31 is rotatably installed inside the placing box 1, one group of the thread bush 32 is movably sleeved at the two ends of the double-thread screw 31, the double-thread screw 31 is rotated to drive the group of the thread bush 32 to move, the connecting piece 33 is fixedly connected with the thread bush 32, one end of the first movable rod 34 is rotatably connected with the connecting piece 33, and the other end of the first movable rod 34 is movably sleeved on the surface of the fixed rod 35, and as the threaded sleeve 32 moves, the first movable rod 34 rotates, thereby driving a group of rubber clamping plates 37 to move, a group of fixing rods 35 is fixedly arranged in the middle of a group of fixing blocks 36, and a group of fixing blocks 36 is fixedly arranged on the surface of the rubber clamping plates 37.

As an embodiment of the utility model, the placing box 1 is provided with a groove 12, the tester body 11 is movably matched in the groove 12, and the size of the groove 12 is larger than that of the tester body 11, so that the tester body 11 can conveniently dissipate heat.

As an embodiment of the present invention, the driving mechanism 2 includes a first synchronizing wheel 21, a second synchronizing wheel 22 and a synchronous belt 23, a crank is disposed on the first synchronizing wheel 21, the first synchronizing wheel 21 and the second synchronizing wheel 22 are respectively fixedly connected to one end of a set of double-headed screws 31, the first synchronizing wheel 21 and the second synchronizing wheel 22 are connected through the synchronous belt 23, the rotating crank can drive the first synchronizing wheel 21 to rotate, and the synchronous belt 23 drives the second synchronizing wheel 22 to rotate.

As an embodiment of the present invention, the anti-falling mechanism 4 includes a handle 41, a support plate 42, a first connecting rod 43, a second connecting rod 431, a rubber belt 44, a connecting shaft 45, a toothed plate 46, a gear 47 and a transmission rod 48, a sliding groove is formed at a lower end of the support plate 42, the handle 41 and a group of the support plates 42 are both fixedly installed at a lower end of the placing box 1, a group of the first connecting rods 43 is fixedly installed in the middle of the group of the support plates 42, the rubber belt 44 is fixedly connected with the group of the first connecting rods 43, and the rubber belt 44 can be adjusted according to arms of different people.

As an embodiment of the present invention, a set of the connecting shafts 45 is respectively and fixedly installed at two ends of a set of the second connecting rods 431, the connecting shafts 45 movably penetrate through the sliding grooves, the toothed plates 46 and the connecting shafts 45 are fixedly connected, the second connecting rods 431 can drive the toothed plates 46 to move up and down when moving up and down, the toothed plates 46 are movably installed inside the supporting plate 42, the transmission rods 48 are rotatably installed inside the supporting plate 42, one end of the transmission rod 48 movably penetrates through the supporting plate 42, the gears 47 are fixedly sleeved on the surfaces of the transmission rods 48, the gears 47 are in meshed connection with the toothed plates 46, and the toothed plates 47 can drive the gears 46 to rotate when moving up and down.

As an embodiment of the present invention, the limiting mechanism 5 includes a ratchet 51, a second movable rod 52, a counterweight 53, an insertion rod 54, a pressing rod 55 and a pawl 56, and the ratchet 51 and the transmission rod 48 are fixedly connected through one end of the support plate 42.

In one embodiment of the present invention, the second movable rod 52 is rotatably mounted on the surface of the supporting plate 42, the weight 53 is fixedly connected to one end of the second movable rod 52, the lower end of the weight 53 contacts the upper end of the pawl 56, and the weight 53 keeps the pawl 56 engaged with the ratchet 51.

As an embodiment of the utility model, the inserted link 54 is rotatably mounted on the surface of the supporting plate 42, the pressing rod 55 and the pawl 56 are respectively fixedly mounted at two ends of the inserted link 54, the pawl 56 is in meshed connection with the ratchet 51, and the pawl 56 can prevent the ratchet 51 from reversely rotating.

The working principle is as follows: when the tester is used, the tester body 11 is placed in the groove 12, then the crank is rotated to drive the first synchronous wheel 21 to rotate, the second synchronous wheel 22 is driven to rotate through the synchronous belt 23, so that the group of double-threaded screws 31 are driven to rotate, at the moment, the group of threaded sleeves 32 can move relatively along the double-threaded screws 31 to drive the group of first movable rods 34 to rotate, and therefore the group of rubber clamping plates 37 are pushed to move relatively until the tester body 11 is clamped;

after the tester body 11 is clamped, a worker passes an arm through the group of rubber belts 44, holds the handle 41, moves the second connecting rod 431 upwards, drives the toothed plate 46 to move upwards through the connecting shaft 45, drives the gear 47 to rotate through the toothed plate 46, stops moving the second connecting rod 431 after the group of rubber belts 44 wraps the arm, and limits the gear 47 through the matching of the ratchet wheel 51 and the pawl 56 to prevent the toothed plate 46 from moving downwards;

after the use, the worker presses the pressing rod 55 downwards to drive the inserting rod 54 to rotate, so as to drive the pawl 56 to move upwards and separate from the ratchet wheel 51, then the second connecting rod 431 moves downwards, the arm is taken out, and then the crank is rotated reversely, so that the group of rubber clamping plates 37 are separated to take out the tester body 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drop-proof handheld transformer transformation ratio tester comprises a placing box (1), and is characterized in that a driving mechanism (2) is arranged on the placing box (1), a clamping mechanism (3) is arranged inside the placing box (1), a drop-proof mechanism (4) is arranged at the lower end of the placing box (1), a limiting mechanism (5) is arranged on the drop-proof mechanism (4), and a tester body (11) is arranged on the placing box (1);

fixture (3) include double-end screw (31), thread bush (32), connecting piece (33), first movable rod (34), dead lever (35), fixed block (36) and rubber splint (37), and is a set of double-end screw (31) rotate to be installed inside placing box (1), and is a set of thread bush (32) activity is cup jointed at the both ends of double-end screw (31), and is a set of connecting piece (33) are fixed and thread bush (32) fixed connection, and are a set of the one end and connecting piece (33) of first movable rod (34) rotate to be connected, and the other end activity of a set of first movable rod (34) is cup jointed on the surface of a set of dead lever (35), and is a set of dead lever (35) fixed mounting is in the middle of a set of fixed block (36), and is a set of fixed block (36) fixed mounting is on the surface of rubber splint (37).

2. The anti-drop handheld transformer transformation ratio tester of claim 1, characterized in that: the placement box (1) is provided with a groove (12), the tester body (11) is movably matched inside the groove (12), and the size of the groove (12) is larger than that of the tester body (11).

3. The anti-drop handheld transformer transformation ratio tester of claim 1, characterized in that: actuating mechanism (2) include first synchronizing wheel (21), second synchronizing wheel (22) and hold-in range (23), first synchronizing wheel (21) and second synchronizing wheel (22) respectively with the one end fixed connection of a set of double-end screw (31), and first synchronizing wheel (21) and second synchronizing wheel (22) pass through hold-in range (23) and connect.

4. The anti-drop handheld transformer transformation ratio tester of claim 1, characterized in that: anti falling mechanism (4) are including handle (41), backup pad (42), head rod (43), second connecting rod (431), rubber tape (44), connecting axle (45), pinion rack (46), gear (47) and transfer line (48), handle (41) and a set of backup pad (42) equal fixed mounting are in the lower extreme of placing box (1), and are a set of head rod (43) fixed mounting is in the middle of a set of backup pad (42), rubber tape (44) and a set of head rod (43) fixed connection.

5. The anti-drop handheld transformer transformation ratio tester according to claim 4, characterized in that: a set of connecting axle (45) is fixed mounting respectively in a set of the both ends of second connecting rod (431), pinion rack (46) and connecting axle (45) fixed connection, pinion rack (46) movable mounting is in the inside of backup pad (42), transfer line (48) rotate and install in the inside of backup pad (42), and the one end activity of transfer line (48) runs through backup pad (42), gear (47) fixed cup joints on the surface of transfer line (48), and gear (47) and pinion rack (46) meshing connection.

6. The anti-drop handheld transformer transformation ratio tester according to claim 4, characterized in that: the limiting mechanism (5) comprises a ratchet wheel (51), a second movable rod (52), a balancing weight (53), an inserting rod (54), a pressing rod (55) and a pawl (56), and the ratchet wheel (51) and the transmission rod (48) are fixedly connected with one end of a support plate (42) in a penetrating mode.

7. The anti-drop handheld transformer transformation ratio tester of claim 6, characterized in that: the second movable rod (52) is rotatably arranged on the surface of the supporting plate (42), the counterweight block (53) is fixedly connected with one end of the second movable rod (52), and the lower end of the counterweight block (53) is contacted with the upper end of the pawl (56).

8. The anti-drop handheld transformer transformation ratio tester of claim 6, characterized in that: the inserted bar (54) is rotatably arranged on the surface of the supporting plate (42), the pressure bar (55) and the pawl (56) are respectively and fixedly arranged at two ends of the inserted bar (54), and the pawl (56) is meshed with the ratchet wheel (51).