CN210259279U

CN210259279U - Multifunctional box for testing transformer

Info

Publication number: CN210259279U
Application number: CN201920835022.8U
Authority: CN
Inventors: 杨建�; 蔡春华
Original assignee: Shanghai Infratest Electronic Technology Co ltd
Current assignee: Shanghai Infratest Electronic Technology Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-07
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to the technical field of multifunctional boxes for testing transformers, and discloses a multifunctional box for testing transformers, which comprises a detection box, wherein a flip is installed on the right side surface of the detection box through a hinge, a fixed groove is formed in the bottom surface of an inner cavity of the flip, a magnet is embedded in the fixed groove, an operation panel is arranged on the top surface of the detection box, an accommodating box positioned on the left side of the operation panel is arranged on the top surface of the detection box, and a mounting groove is formed in the right side surface of the accommodating box; through the cooperation of recovery unit and termination, make the one end of wire always with this a multifunctional box for testing transformer be connected, people only need with the other end of wire with the transformer be connected can, make the work load of wire wiring reduce half, further increased the speed of working a telephone switchboard, through the cooperation of recovery unit and stop device, make the wire can be withdrawed automatically, increased the speed of receiving the line, improved the detection efficiency of transformer.

Description

Multifunctional box for testing transformer

Technical Field

The utility model relates to a multifunctional box technical field of test transformer, concretely relates to multifunctional box for test transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and comprises a primary coil, a secondary coil, an iron core and the like, the functions of the transformer comprise voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, the transformer is widely applied to the fields of electric power, electricity and the like, and after the transformer is produced, a multifunctional box for testing the transformer is required to test the performances of direct resistance, insulation, voltage resistance and the like of the transformer so as to improve the use safety of the transformer.

The multi-functional case that is used for testing transformer now is by the detection case, operating panel, flip, the wire etc. is constituteed, flip's inside is equipped with and holds the bag, the wire coils into the coil form and leaves in holding the bag, when needs examine the transformer, take out the coil and straighten, then make the both ends of wire respectively with testing transformer's multi-functional case and transformer connection and test, take off the wire and coil into the coil form and leave in holding the bag after experimental finishing, this kind of mode of depositing the wire makes the speed of wiring and receipts line very slow, the efficiency that the transformer detected has been reduced, and a multi-functional case for testing transformer has the wire of many different colours, during the wiring, the wire of different colours is crisscross each other, make the wire connection mistake easily, cause danger, consequently need to design a multi-functional case for testing transformer urgent.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a multifunctional box for testing a transformer, which solves the problems that the prior multifunctional box for testing the transformer comprises a detection box, an operation panel, a flip cover, a wire and the like, wherein the flip cover is internally provided with a containing bag, the wire is coiled into a coil shape to be stored in the containing bag, when the transformer needs to be detected, the coil is taken out and straightened, then the two ends of the wire are respectively connected with the multifunctional box for testing the transformer and are tested, the wire is taken out and coiled into the coil shape to be stored in the containing bag after the test is finished, the wire storage mode leads the speed of wire connection and wire collection to be slow, the detection efficiency of the transformer is reduced, and the multifunctional box for testing the transformer has a plurality of wires with different colors, when in wire connection, the wires with different colors are mutually staggered, the wire connection errors are easy to be, causing a dangerous problem.

The utility model provides a following technical scheme:

the utility model provides a multifunctional box for testing transformer, including the detection case, flip is installed through the hinge to the right flank of detection case, the fixed slot has been seted up to the bottom surface of flip inner chamber, the inside of fixed slot is inlayed and is equipped with the magnetite, the top surface of detection case is equipped with operating panel, the top surface of detection case is equipped with and is located the left containing box of operating panel, the mounting groove has been seted up to the right flank of containing box, the inside of mounting groove is inlayed and is equipped with the magnetic path, the left surface movable mounting of containing box has the seal closure, the inside of containing box is equipped with storage device and recovery unit, the top surface of detection case is equipped with the termination who is located the.

Preferably, storage device includes the fixed axle, and the both ends of fixed axle all with the inner wall fixed connection of containing box, the outside activity of fixed axle has cup jointed the section of thick bamboo of receiving, and the outside winding of the section of thick bamboo of receiving has the wire, and the one end of wire extends to the outside of containing box and is connected with the conducting strip, and the left end of the section of thick bamboo of receiving is connected with ratchet wheel, and the right-hand member of the section of thick bamboo of receiving is connected with the limiting plate, and ratchet wheel and limiting plate all cup.

Preferably, the recovery device includes the insulating cylinder, and the left end of insulating cylinder is connected with the right flank of limiting plate, and the insulating cylinder cup joints with the fixed axle activity, and the spout has been seted up to the outside of insulating cylinder, and the inside of spout is inlayed and is equipped with the conducting ring, and the conducting ring is connected with the one end electricity of wire, and the inner wall connection of insulating cylinder has the clockwork spring, the other end and the fixed axle fixed connection of clockwork spring.

Preferably, the wiring device comprises a wiring barrel, the bottom end of the wiring barrel is connected with the top surface of the detection box, the bottom surface of the inner cavity of the wiring barrel is connected with a metal contact through a conductive spring in a transmission mode, the metal contact is connected with the inner wall of the wiring barrel in a sliding mode, an arc-shaped groove is formed in the top surface of the metal contact, and the arc-shaped groove can be tightly attached to the conductive ring.

Preferably, the limiting device comprises a pressing groove and a supporting rod, the pressing groove is formed in the top surface of the containing box, the bottom surface of an inner cavity of the pressing groove is connected with a pressing cap in a transmission mode through a return spring, the pressing cap is connected with the inner wall of the pressing groove in a sliding mode, the bottom surface of the pressing cap is connected with a push rod, and the bottom end of the push rod extends into the containing box; the top of bracing piece is connected with the top surface of containing box inner chamber, and the bottom swing joint of bracing piece has the lever, and the left end of lever is connected with the bottom contact of ejector pin, and the right-hand member of lever is connected with the acting as go-between, and the other end of acting as go-between is connected with spacing shell fragment, and the other end of spacing shell fragment is connected with the top surface of containing box inner chamber, and spacing shell fragment can mesh with the ratchet wheel.

Preferably, the bottom of containing box left surface is equipped with fixed magnet, and the inner wall of sealing closure is equipped with the movable magnet corresponding with fixed magnet, and the left surface of containing box has seted up the interlude hole, and the interlude hole cup joints with the conducting strip activity.

The beneficial effects of the utility model are embodied in:

the storage device is used for storing the wires with different colors separately, people can conveniently select and connect the wires, the probability of wire connection errors is reduced, the safety is improved, meanwhile, people can directly pull one end of each wire out, the end of each wire is conveniently connected with the transformer by people, the wiring speed is increased, the length of each wire pulled out is fixed by the limiting device, one end of each wire is always connected with the multifunctional box for testing the transformer by the aid of the restoring device and the wiring device, people only need to connect the other end of each wire with the transformer, the workload of wire connection is reduced by half, the wiring speed is further increased, the wires can be automatically withdrawn by the aid of the restoring device and the limiting device, the wire take-up speed is increased, and the detection efficiency of the transformer is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a schematic view of the internal structure of the storage box of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic diagram of the internal structure of the wiring device of FIG. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the drawings: 1. a detection box; 2. a cover is turned; 3. fixing grooves; 4. a magnet; 5. an operation panel; 6. a storage box; 7. mounting grooves; 8. a magnetic block; 9. sealing cover; 10. a storage device; 101. a fixed shaft; 102. a take-up drum; 103. a wire; 104. a conductive sheet; 105. a ratchet gear; 106. a limiting plate; 11. a recovery device; 111. an insulating cylinder; 112. a chute; 113. conducting rings; 114. a clockwork spring; 12. a wiring device; 121. a wire connecting cylinder; 122. a conductive spring; 123. a metal contact; 124. an arc-shaped slot; 13. a limiting device; 131. pressing the groove; 132. a return spring; 133. pressing the cap; 134. a top rod; 135. a support bar; 136. a lever; 137. a pull wire; 138. a limiting elastic sheet; 14. fixing a magnet; 15. a movable magnet; 16. and (6) inserting the hole.

Detailed Description

Embodiments of the present invention will be described in detail with reference to fig. 1 to 5. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The utility model provides a multifunctional box for testing transformer, including detection case 1, flip 2 is installed through the hinge to detection case 1's right flank, fixed slot 3 has been seted up to flip 2 inner chamber's bottom surface, the inside of fixed slot 3 is inlayed and is equipped with magnetite 4, detection case 1's top surface is equipped with operating panel 5, detection case 1's top surface is equipped with and is located the left containing box 6 of operating panel 5, mounting groove 7 has been seted up to containing box 6's right flank, the inside of mounting groove 7 is inlayed and is equipped with magnetic path 8, magnetic path 8 and magnetite 4 inter attraction, containing box 6's left flank movable mounting has sealing cover 9, containing box 6's inside is equipped with storage device 10 and recovery unit 11, detection case 1's top surface is equipped with and is located containing box 6 inside termination 12, containing box 6.

Storage device 10 includes fixed axle 101, the both ends of fixed axle 101 all with the inner wall fixed connection of containing box 6, the outside activity of fixed axle 101 has cup jointed a line section of thick bamboo 102 of receiving, the outside winding of receiving line section of thick bamboo 102 has wire 103, the one end of wire 103 extends to the outside of containing box 6 and is connected with conducting strip 104, the left end of receiving line section of thick bamboo 102 is connected with ratchet wheel 105, the right-hand member of receiving line section of thick bamboo 102 is connected with limiting plate 106, ratchet wheel 105 and limiting plate 106 all cup joint with fixed axle 101 activity.

The recovery device 11 comprises an insulating cylinder 111, the left end of the insulating cylinder 111 is connected with the right side surface of the limit plate 106, the insulating cylinder 111 is movably sleeved with the fixed shaft 101, a sliding groove 112 is formed in the outer portion of the insulating cylinder 111, a conductive ring 113 is embedded in the sliding groove 112, the conductive ring 113 is electrically connected with one end of the conducting wire 103, a spring 114 is connected to the inner wall of the insulating cylinder 111, and the other end of the spring 114 is fixedly connected with the fixed shaft 101.

The wiring device 12 comprises a wiring barrel 121, the bottom end of the wiring barrel 121 is connected with the top surface of the detection box 1, the bottom surface of the inner cavity of the wiring barrel 121 is connected with a metal contact 123 through a conductive spring 122 in a transmission mode, the conductive spring 122 is in a compression state, the metal contact 123 is in sliding connection with the inner wall of the wiring barrel 121, an arc-shaped groove 124 is formed in the top surface of the metal contact 123, and the arc-shaped groove 124 can be tightly attached to the conductive ring 113.

The limiting device 13 comprises a pressing groove 131 and a supporting rod 135, the pressing groove 131 is formed in the top surface of the containing box 6, the bottom surface of the inner cavity of the pressing groove 131 is in transmission connection with a pressing cap 133 through a return spring 132, the pressing cap 133 is in sliding connection with the inner wall of the pressing groove 131, the bottom surface of the pressing cap 133 is connected with a push rod 134, and the bottom end of the push rod 134 extends into the containing box 6; the top of bracing piece 135 is connected with the top surface of containing box 6 inner chamber, and the bottom swing joint of bracing piece 135 has lever 136, and the left end of lever 136 is connected with the bottom contact of ejector pin 134, and the right-hand member of lever 136 is connected with the stay wire 137, and the other end of stay wire 137 is connected with spacing shell fragment 138, and the other end of spacing shell fragment 138 is connected with the top surface of containing box 6 inner chamber, and spacing shell fragment 138 can mesh with ratchet wheel 105.

The bottom of the left side of the containing box 6 is provided with a fixed magnet 14, the inner wall of the sealing cover 9 is provided with a movable magnet 15 corresponding to the fixed magnet 14, the fixed magnet 14 and the movable magnet 15 attract each other, the left side of the containing box 6 is provided with a through hole 16, and the through hole 16 is movably sleeved with the conducting strip 104.

When the wire winding device works, the sealing cover 9 is firstly opened, then one conducting strip 104 is pulled, the conducting strip 104 pulls the wire 103, the wire 103 is slowly released from the outside of the wire winding cylinder 102, the wire winding cylinder 102 can rotate in the releasing process of the wire 103, the wire winding cylinder 102 drives the ratchet wheel 105 and the limiting plate 106 to rotate, the limiting plate 106 drives the insulating cylinder 111 to rotate, the insulating cylinder 111 rotates to increase the elastic potential energy of the spiral spring 114, then the pulled length of the wire 103 is gradually increased until the pulled length of the wire 103 meets the requirement, then the pulling of the conducting strip 104 is stopped, then the limiting elastic sheet 138 is meshed with the ratchet wheel 105 under the action of the self elastic force to limit the wire winding cylinder 102, the wire winding cylinder 102 cannot rotate, the pulled length of the wire 103 is fixed, and in the process, the metal contact 123 is tightly jointed with the conducting ring 113 under the action of the elastic force of, one end of the wire 103 is electrically connected to the multifunctional box for testing the transformer at all times, and then the conductive sheet 104 is connected to the transformer, then, the other wires 103 are connected with the transformer one by one in the same way, after the connection is finished, the test is started, after the test is finished, the conducting strips 104 are separated from the transformer one by one, then the pressing cap 133 is pressed one by one, the pressing cap 133 presses the left end of the lever 136 through the mandril 134 to enable the right end of the lever 136 to tilt upwards, the right end of the lever 136 pulls the end part of the limit elastic sheet 138 to move upwards through the pull wire 137, the limit elastic sheet 138 is separated from the ratchet wheel 105, the limit of the take-up cylinder 102 is released, then the insulating cylinder 111 rotates under the action of the elastic force of the spring 114, the insulating cylinder 111 drives the take-up cylinder 102 to rotate, the conducting wire 103 is wound outside the take-up cylinder 102 to complete the take-up operation, and then the sealing cover 9 is closed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A multifunctional box for testing transformers comprises a detection box (1) and is characterized in that: flip (2) are installed through the hinge to the right flank of detection case (1), fixed slot (3) have been seted up to the bottom surface of flip (2) inner chamber, magnetite (4) are inlayed to the inside of fixed slot (3), the top surface of detection case (1) is equipped with operating panel (5), the top surface of detection case (1) is equipped with and is located the left containing box (6) of operating panel (5), mounting groove (7) have been seted up to the right flank of containing box (6), the inside of mounting groove (7) is inlayed and is equipped with magnetic path (8), the left surface movable mounting of containing box (6) has sealing cover (9), the inside of containing box (6) is equipped with storage device (10) and recovery unit (11), the top surface of detection case (1) is equipped with and is located the inside termination (12) of containing box (6), the top surface of containing box (6) is equipped.

2. A multifunctional box for testing transformers according to claim 1, characterized in that: storage device (10) include fixed axle (101), the both ends of fixed axle (101) all with the inner wall fixed connection of containing box (6), take-up reel (102) has been cup jointed in the outside activity of fixed axle (101), the outside winding of taking-up reel (102) has wire (103), the one end of wire (103) extends to the outside of containing box (6) and is connected with conducting strip (104), the left end of taking-up reel (102) is connected with ratchet wheel (105), the right-hand member of taking-up reel (102) is connected with limiting plate (106), ratchet wheel (105) and limiting plate (106) all cup joint with fixed axle (101) activity.

3. A multifunctional box for testing transformers according to claim 1, characterized in that: the recovery device (11) comprises an insulating cylinder (111), the left end of the insulating cylinder (111) is connected with the right side face of the limiting plate (106), the insulating cylinder (111) is movably sleeved with the fixed shaft (101), a sliding groove (112) is formed in the outer portion of the insulating cylinder (111), a conducting ring (113) is embedded in the sliding groove (112), the conducting ring (113) is electrically connected with one end of the conducting wire (103), a spring (114) is connected to the inner wall of the insulating cylinder (111), and the other end of the spring (114) is fixedly connected with the fixed shaft (101).

4. A multifunctional box for testing transformers according to claim 1, characterized in that: the wiring device (12) comprises a wiring barrel (121), the bottom end of the wiring barrel (121) is connected with the top surface of the detection box (1), the bottom surface of the inner cavity of the wiring barrel (121) is connected with a metal contact (123) in a transmission mode through a conductive spring (122), the metal contact (123) is connected with the inner wall of the wiring barrel (121) in a sliding mode, an arc-shaped groove (124) is formed in the top surface of the metal contact (123), and the arc-shaped groove (124) can be tightly attached to a conductive ring (113).

5. A multifunctional box for testing transformers according to claim 1, characterized in that: the limiting device (13) comprises a pressing groove (131) and a supporting rod (135), the pressing groove (131) is formed in the top surface of the containing box (6), the bottom surface of the inner cavity of the pressing groove (131) is in transmission connection with a pressing cap (133) through a return spring (132), the pressing cap (133) is in sliding connection with the inner wall of the pressing groove (131), the bottom surface of the pressing cap (133) is connected with a push rod (134), and the bottom end of the push rod (134) extends into the containing box (6); the top of bracing piece (135) is connected with the top surface of containing box (6) inner chamber, the bottom swing joint of bracing piece (135) has lever (136), the left end of lever (136) is connected with the bottom contact of ejector pin (134), the right-hand member of lever (136) is connected with act as go-between (137), the other end of act as go-between (137) is connected with spacing shell fragment (138), the other end of spacing shell fragment (138) is connected with the top surface of containing box (6) inner chamber, spacing shell fragment (138) can mesh with ratchet wheel (105).

6. A multifunctional box for testing transformers according to claim 1, characterized in that: the bottom of the left side face of the containing box (6) is provided with a fixed magnet (14), the inner wall of the sealing cover (9) is provided with a movable magnet (15) corresponding to the fixed magnet (14), the left side face of the containing box (6) is provided with a through hole (16), and the through hole (16) is movably sleeved with the conducting strip (104).