CN218331742U

CN218331742U - Direct current resistance meter convenient for winding

Info

Publication number: CN218331742U
Application number: CN202221140350.4U
Authority: CN
Inventors: 王志强; 成键; 屈瑞
Original assignee: Shanghai Yongyi Instrument Co ltd
Current assignee: Shanghai Yongyi Instrument Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2023-01-17
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to a direct current resistance meter technical field, and disclose a direct current resistance meter convenient to wire winding, including direct current resistance meter body and casing, the casing is installed on direct current resistance meter body, be equipped with first groove, spiral box, second and accomodate groove and resistance probe pen in the casing, spiral box installs in the inside of first groove of accomodating through the buckle, resistance probe pen installs in the inside of second groove of accomodating; install fixing base, power test wire and winding reel in the spiral case, the power test wire respectively with resistance probe pen and direct current resistance appearance body electric connection, install volute spiral spring on the fixing base, volute spiral spring's one end is connected with the outer wall of fixing base, volute spiral spring's the other end is connected with the winding reel, power test wire winding is on the winding reel. The utility model discloses the convenience is to the probe pen and the power cord of being connected with the probe pen carry out the wire winding and the advantage of accomodating.

Description

Direct current resistance meter convenient for winding

Technical Field

The utility model relates to a direct current resistance meter technical field specifically is a direct current resistance meter convenient to wire winding.

Background

The direct current resistance rapid tester is an indispensable test project after the transformer is handed over, overhauled and the tap switch is changed. By measuring the direct current resistance of the transformer winding, the welding or connection quality of the lead, whether the winding has turn-to-turn short circuit or open circuit, whether the contact of the tap switch is good or not and the like can be checked. The test current can be automatically selected according to different types of power transformers, and the test result can be displayed at the highest speed. The DC resistance tester has the functions of charging, discharging indication and the like, and the adoption of the liquid crystal display ensures that the human-computer interface of the tester is good, thereby being the preferred equipment in the DC resistance test work.

The existing direct current resistance meter is connected with the resistance probe through the power line, and then the resistance current contact condition is measured by the contact of the probe with the load surface, the power line of the existing resistance probe is scattered when the connecting wire is not used, the existing resistance probe is easy to wind and knot and difficult to arrange, and the service life of the resistance probe can be influenced even the condition of a lead wire section inside the lead wire after the existing resistance probe is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a direct current resistance meter convenient to wire winding possesses the convenient wire winding of power cord to resistance probe connection and the beneficial effect who accomodates, and the power cord of having solved the current resistance probe who mentions in the above-mentioned background art all scatters when not using, twines easily and ties a knot, is difficult for the arrangement, in the long run, can influence its life of resistance probe, the problem of the condition of lead wire inside wire paragraph even.

The utility model provides a following technical scheme: a direct current resistance meter convenient for winding comprises a direct current resistance meter body and a shell, wherein the shell is installed on the direct current resistance meter body, a first accommodating groove, a winding box, a second accommodating groove and a resistance probe pen are arranged in the shell, the winding box is installed inside the first accommodating groove through a buckle, and the resistance probe pen is installed inside the second accommodating groove;

install fixing base, power test wire and winding seat in the spiral case, the power test wire respectively with resistance probe pen and direct current resistance appearance body electric connection, install volute spiral spring on the fixing base, volute spiral spring's one end is connected with the outer wall of fixing base, volute spiral spring's the other end is connected with the winding seat, power test wire winding is on the winding seat.

As an alternative of a dc resistance meter convenient for winding, wherein: the winding box is internally provided with a first wire outlet and a second wire outlet, one end of the power supply test wire penetrates through the first wire outlet, and the other end of the power supply test wire penetrates through the second wire outlet.

As an alternative of a dc resistance meter convenient for winding, wherein: the wire winding seat rotates and is installed on the inner wall of a wire winding box, a rotating bearing is installed on the wire winding box, and the wire winding seat is installed on the rotating bearing.

As an alternative of a dc resistance meter convenient for winding, wherein: the winding seat is provided with a first groove, the winding seat is provided with a return spring and a clamping block, and the return spring is arranged in the first groove;

one end of the reset spring is connected with the inner wall of the first groove, and the other end of the reset spring is connected with the clamping block.

As an alternative of a dc resistance meter convenient for winding, wherein: the fixture block is arc-shaped.

As an alternative of a dc resistance meter convenient for winding, wherein: install first pulley and second pulley in the spiral case, first pulley is close to first outlet setting, the second pulley is close to second outlet setting, the one end of power test wire is around first pulley setting, the other end of power test wire is around second pulley setting.

As an alternative of a dc resistance meter convenient for winding, wherein: the casing has been seted up the spout, the spout is accomodate the groove with the second and is linked together, slidable mounting has solid fixed ring in the casing, gu install the sliding block on the fixed ring, the sliding block matches with the spout.

As an alternative of a dc resistance meter convenient for winding, wherein: be equipped with the sponge protection piece in the casing, the inside in groove is accomodate at the second to the sponge protection piece installation.

The utility model discloses possess following beneficial effect:

1. this kind of direct current resistance meter convenient to wire winding through installing resistance probe than in the second accomodates the inslot, and the power test line is installed and is accomodate in the box that winds, and elasticity through volute spiral spring drives the wire winding seat and winds and accomodate, reduces the electric wire and scatters under the in service behavior, twines the condition of knoing, damage the electric wire even.

2. This direct current resistance meter convenient to wire winding accomodates through putting into the second with resistance probe pen and accomodate the groove, and then protects resistance probe pen, protects resistance probe pen's nib through sponge protection piece, has portablely to accomodate, protects the inside components and parts of resistance probe pen, and then improves its life's advantage.

3. This dc resistance meter convenient to wire winding cushions the power test wire through the fixture block, through the reset spring's in the arc fixture block elasticity, and then makes at wire-wound in-process, has the sense of straining, and the condition of not hard up knotting when reducing the wire winding reaches the pulling power test wire through first pulley and second pulley and plays laborsaving and acceleration's effect.

Drawings

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

Fig. 2 is a schematic diagram of a second perspective view of the structure of the present invention.

Fig. 3 is a perspective view of the winding box of the present invention.

Fig. 4 is a schematic view of the cross-sectional structure of the winding box of the present invention.

Fig. 5 is a schematic view of a third perspective of the structure of the present invention.

In the figure: 1. a DC resistance meter body; 2. a housing; 3. a first accommodating groove; 4. a wire winding box; 5. a second accommodating groove; 6. a resistance probe pen; 7. a fixed seat; 8. a volute spiral spring; 9. a power supply test line; 10. a first outlet port; 11. a second outlet; 12. a return spring; 13. a clamping block; 14. a winding seat; 15. a first groove; 16. a chute; 17. a fixing ring; 18. a slider; 19. a sponge protection block; 20. a first pulley; 21. a second pulley; 22. a rotating bearing; 99. a port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example 1

The existing resistance meter RM3545 direct current resistance meter measures the direct current resistance of a transformer winding, needs port plug wires at two ends, is connected with a resistance probe pen, and then measures the resistance current contact condition by the probe contacting a load surface, tests and detects the current in a conductor.

The utility model provides a following technical scheme: a direct current resistance meter convenient for winding, please refer to fig. 1-5, comprising a shell 2 of a direct current resistance meter body 1, wherein the shell 2 is arranged on the direct current resistance meter body 1, a first accommodating groove 3, a winding box 4, a second accommodating groove 5 and a resistance probe pen 6 are arranged in the shell 2, the winding box 4 is arranged in the first accommodating groove 3 through a buckle, and the resistance probe pen 6 is arranged in the second accommodating groove 5;

install fixing base 7, power test wire 9 and winding seat 14 in the spiral box 4, power test wire 9 resistance probe pen 6 and direct current resistance appearance body 1 electric connection respectively, install volute spiral spring 8 on the fixing base 7, volute spiral spring 8's one end is connected with the outer wall of fixing base 7, volute spiral spring 8's the other end is connected with winding seat 14, and power test wire 9 encircles on winding seat 14.

The resistance probe pen 6 is arranged in the second accommodating groove 5, the power supply test wire 9 is arranged in the winding box 4 for accommodating, and one end of the spring is fixed through the volute spiral spring 8, and the other end of the spring acts with torque; under the action of torque, the spring material generates bending elastic deformation, so that the spring generates torsion in a plane, the size of a deformation angle of the spring is in direct proportion to the torque, one part of the outer surface of the power supply test wire 9 is adhered to the winding seat 14, the winding seat 14 is rotatably arranged in the winding box 4, the winding seat 14 is driven to wind through the elasticity of the volute spiral spring 8, and the storage effect is further achieved;

the power test wire 9 has been reduced and the circumstances of scattering, winding and knoing, damage the electric wire even under the in service behavior, accomodate through putting into second storage tank 5 with resistance probe pen 6, and then protect resistance probe pen 6, improve portablely and accomodate, protect the inside components and parts of resistance probe pen 6, and then improve its life.

Wherein: a first outlet 10 and a second outlet 11 are arranged in the winding box 4, one end of the power supply test wire 9 passes through the first outlet 10, and the other end of the power supply test wire 9 passes through the second outlet 11.

One end of the power source test wire 9 passes through the first wire outlet 10 to be electrically connected with the first port 99 on the direct current resistance meter body 1, and the other end of the power source test wire 9 passes through the second wire outlet 11 to be electrically connected with the resistance probe pen 6.

Example 2

This embodiment is an improved description made on the basis of embodiment 1, specifically, please refer to fig. 1-5, in which: wherein: the winding seat 14 is rotatably mounted on the inner wall of the winding box 4, the winding box 4 is provided with a rotating bearing 22, and the winding seat 14 is mounted on the rotating bearing 22.

The winding seat 14 is arranged on the rotating bearing 22, so that the winding seat 14 rotates more stably;

wherein: a first groove 15 is formed in the winding seat 14, a return spring 12 and a clamping block 13 are mounted on the winding seat 14, and the return spring 12 is mounted inside the first groove 15;

one end of the return spring 12 is connected to the inner wall of the first groove 15, and the other end of the return spring 12 is connected to the latch 13.

Wherein: the latch 13 is formed in an arc shape.

Power testing line 9 is cushioned through fixture block 13, and through the elasticity of reset spring 12 in arc fixture block 13, and then make at wire-wound in-process, there is the sense of straining, the not hard up condition of knoing when reducing the wire-winding.

Example 3

This embodiment is an improved description made on the basis of embodiment 1, and specifically, please refer to fig. 1 to 5, in which: a first pulley 20 and a second pulley 21 are installed in the winding box 4, the first pulley 20 is arranged close to the first wire outlet 10, the second pulley 21 is arranged close to the second wire outlet 11, one end of the power supply test wire 9 is arranged around the first pulley 20, and the other end of the power supply test wire 9 is arranged around the second pulley 21.

When the power test wire 9 is pulled, the situation of tightness may occur, and the effect of saving labor and increasing speed is achieved by pulling the power test wire 9 through the first pulley 20 and the second pulley 21.

Example 4

This embodiment is an improved description made on the basis of embodiment 1, and specifically, please refer to fig. 1 to 5, in which: a sliding groove 16 is formed in the shell 2, the sliding groove 16 is communicated with the second accommodating groove 5, a fixing ring 17 is installed in the shell 2 in a sliding mode, a sliding block 18 is installed on the fixing ring 17, and the sliding block 18 is matched with the sliding groove 16.

A sponge protection block 19 is arranged in the shell 2, and the sponge protection block 19 is arranged in the second accommodating groove 5.

The fixed ring 17 sleeved on the resistance probe pen 6 is slidably accommodated in the second accommodating groove 5, and the position of one end of the probe of the resistance probe pen 6 is protected by the sponge protecting block 19, so that the falling-off condition of pen-end components of the resistance probe pen 6 is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a direct current resistance meter convenient to wire winding, includes direct current resistance meter body (1) and casing (2), its characterized in that: the winding device is characterized in that the shell (2) is installed on the direct current resistance meter body (1), a first accommodating groove (3), a winding box (4), a second accommodating groove (5) and a resistance probe pen (6) are arranged in the shell (2), the winding box (4) is installed in the first accommodating groove (3) through a buckle, and the resistance probe pen (6) is installed in the second accommodating groove (5);

install fixing base (7), power test wire (9) and winding seat (14) in spiral box (4), power test wire (9) respectively with resistance probe pen (6) and direct current resistance appearance body (1) electric connection, install spiral spring (8) on fixing base (7), the one end of spiral spring (8) is connected with the outer wall of fixing base (7), the other end of spiral spring (8) is connected with winding seat (14), power test wire (9) encircle on winding seat (14).

2. A direct current resistance meter facilitating winding according to claim 1, wherein: the winding box (4) is internally provided with a first wire outlet (10) and a second wire outlet (11), one end of the power supply test wire (9) penetrates through the first wire outlet (10), and the other end of the power supply test wire (9) penetrates through the second wire outlet (11).

3. A direct current resistance meter facilitating winding according to claim 2, wherein: the winding seat (14) is rotatably installed on the inner wall of the winding box (4), a rotating bearing (22) is installed on the winding box (4), and the winding seat (14) is installed on the rotating bearing (22).

4. A direct current resistance meter facilitating winding according to claim 3, wherein: a first groove (15) is formed in the winding seat (14), a return spring (12) and a clamping block (13) are mounted on the winding seat (14), and the return spring (12) is mounted inside the first groove (15);

one end of the return spring (12) is connected with the inner wall of the first groove (15), and the other end of the return spring (12) is connected with the clamping block (13).

5. A direct current resistance meter facilitating winding according to claim 4, wherein: the clamping block (13) is arc-shaped.

6. A direct current resistance meter facilitating winding according to claim 1, wherein: install first pulley (20) and second pulley (21) in spiral box (4), first pulley (20) are close to first outlet (10) and set up, second pulley (21) are close to second outlet (11) and set up, the one end of power test line (9) is around first pulley (20) setting, the other end of power test line (9) is around second pulley (21) setting.

7. A direct current resistance meter facilitating winding according to claim 1, wherein: seted up spout (16) in casing (2), spout (16) are accomodate groove (5) with the second and are linked together, slidable mounting has solid fixed ring (17) in casing (2), gu install sliding block (18) on fixed ring (17), sliding block (18) cooperate with spout (16).

8. A direct current resistance meter facilitating winding according to claim 1, wherein: be equipped with sponge protection piece (19) in casing (2), sponge protection piece (19) are installed in the inside of second storage tank (5).