CN216209435U

CN216209435U - Electroscope with windmill

Info

Publication number: CN216209435U
Application number: CN202122468085.4U
Authority: CN
Inventors: 张秋英; 张瑶
Original assignee: Hebei Qiuying Electric Appliance Co ltd
Current assignee: Hebei Qiuying Electric Appliance Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to a take windmill electroscope, including holding portion and being located the windmill portion of holding portion top, windmill portion is including the shell, the inside of shell is rotated and is connected with the pivot, fixed cover is equipped with the flabellum in the pivot, the inside of shell for the below sliding connection of pivot has the damping piece, the shell for the position of damping piece is provided with the compression structure, one side of damping piece is provided with the drive structure that the damping piece reciprocated. The windmill indicator has the effect of reducing the free rotation of the windmill indicator when not in use.

Description

Electroscope with windmill

Technical Field

The application relates to the field of voltage detection tools, in particular to a windmill electroscope.

Background

The electroscope is an instrument for detecting whether an object is charged or not and roughly estimating the charged quantity. The electroscope is divided into a low-voltage electroscope and a high-voltage electroscope, and the high-voltage electroscope is mainly used for detecting high-voltage electrical equipment with earth voltage of more than 250V. At present, three types of light emitting type, acousto-optic type and windmill type are widely adopted. The windmill type electroscope generally comprises a windmill indicator and a grab handle, when the windmill type electroscope is used, the windmill indicator is gradually close to a tested device, and once a blade is indicated to start to normally rotate, the device is indicated to be powered.

In view of the above-described related art, the inventors believe that the windmill indicator portion of the windmill electroscope is shaken when not in use, and long-term rotation of the windmill indicator portion shortens the service life of the windmill indicator.

SUMMERY OF THE UTILITY MODEL

To reduce instances of the windmill indicator being free to rotate when not in use, the present application provides a windmill electroscope.

The application provides a take windmill electroscope adopts following technical scheme:

the windmill electroscope comprises a holding part and a windmill part located above the holding part, wherein the windmill part comprises a shell, the inside of the shell is rotatably connected with a rotating shaft, a fan blade is fixedly sleeved on the rotating shaft, a damping block is slidably connected to the inside of the shell relative to the lower part of the rotating shaft, a compression structure is arranged at the position of the shell relative to the damping block, and a driving structure for driving the damping block to move up and down is arranged on one side of the damping block.

By adopting the technical scheme, when the windmill part is not used, the pressing structure drives the damping block to be abutted against the rotating shaft, so that the friction force between the damping block and the rotating shaft is increased, and further the rotation of the rotating shaft is limited.

Optionally, the compressing structure includes a connecting rod horizontally disposed at two ends of the damping block, the connecting rod is fixedly connected to a sliding block relative to the housing, a sliding groove is formed in the housing relative to the sliding block, the sliding block slides relatively in the sliding groove, and a first elastic member is vertically disposed below the sliding block.

Through adopting above-mentioned technical scheme, promote the slider at the inside rebound of spout through first elastic component for the slider drives connecting rod rebound, and the connecting rod drives damping piece rebound, makes relative butt between damping piece and the pivot.

Optionally, the connecting rod includes the interior pole that the level set up, the outside cover be equipped with the outer tube, sliding connection between interior pole and the outer tube, just the damping piece for the position of interior pole has seted up the screw hole, interior pole with the damping piece passes through screw hole threaded connection.

Through adopting above-mentioned technical scheme, through interior pole and threaded connection between the damping piece for thereby can change the damping piece through threaded connection after the damping piece uses the production wearing and tearing for a long time, and then be convenient for the restriction to the countershaft.

Optionally, the driving structure includes a pull rope connected to the damping block, a ring plate is fixedly connected to the holding portion, the pull rope passes through the ring plate and slides relatively, the holding portion is horizontally and fixedly connected to an articulated rod relative to the position of the pull rope, a holding plate is hinged to one side of the holding portion, the holding plate is fixedly connected to the upper portion of the articulated rod, and a second elastic member is horizontally arranged below the holding plate relative to the articulated rod.

Through adopting above-mentioned technical scheme, hold the board through operating personnel for the lower extreme orientation of holding the board rotates near one side of holding, and the top orientation of holding the board rotates away from the one end of holding, makes the portion of holding pulling cord downstream, and then makes tensile move damping piece downstream, is convenient for break away from relatively between damping piece and the pivot.

Optionally, a roller is rotatably connected to the position of the annular plate relative to the pull rope.

Through adopting above-mentioned technical scheme, can reduce the condition that long-time friction slip caused the damage between stay cord and the annular plate through the gyro wheel that sets up, increase the life of stay cord.

Optionally, the holding plate is the extensible member, the bottom of bracing piece is articulated to be provided with the lockplate, hold for the locking groove has been seted up to the position level of lockplate, the lockplate stretches into the inside and the relative slip of locking groove, the vertical locking hole of having seted up of upper surface of lockplate, hold for the vertical sliding connection in position of locking hole has the locking piece, the vertical third elastic component that is provided with in top of locking piece.

Through adopting above-mentioned technical scheme, through removing the lockplate towards the one side that is close to the portion of holding, and then relative with locking hole and locking piece for the inside that the third elastic component can promote the locking piece to enter into the locking hole locks the lockplate, reduces the condition that operating personnel need hold the grip plate tightly always.

Optionally, the outer side of the rotating shaft is sleeved with a damping sleeve, the damping sleeve is fixedly connected with a protrusion relative to the damping block, and the damping block is provided with a clamping groove relative to the protrusion.

Through adopting above-mentioned technical scheme, the draw-in groove through the damping piece is relative with the arch of damping cover, increases the frictional force between damping piece and the damping cover, is convenient for restrict the countershaft.

Optionally, the housing is fixedly connected with support rods respectively at two ends of the rotating shaft, the rotating shaft is rotatably connected with the support rods, a groove is formed in the position of the rotating shaft relative to the support rods, a ball groove is formed in the position of the rotating shaft relative to the groove, a ball is connected to the inside of the ball groove in a rolling manner, and one end of the ball extends out of the inside of the ball groove and is connected with the groove in a rolling manner.

Through adopting above-mentioned technical scheme, the ball through setting up rolls relatively in the inside of rolling groove and slot to reduce the friction between pivot and the shell, the pivot of being convenient for rotates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the windmill part needs to be used, the damping block can be driven to move through the driving structure, so that the damping block and the rotating shaft are separated relatively, and the condition that the windmill indicator rotates freely when not used is reduced.

2. The holding plate is held tightly by an operator, so that the lower end of the holding plate rotates towards one side close to the holding part, the top end of the holding plate rotates towards one end deviated from the holding part, the holding part pulls the pull rope to move downwards, and the damping block moves downwards by means of stretching, so that the damping block is separated from the rotating shaft relatively.

3. Through moving the lockplate towards the one side that is close to the portion of holding, and then relative locking hole and locking piece for the inside that the third elastic component can promote the locking piece to enter into the locking hole locks the lockplate, reduces the condition that operating personnel need hold the grip plate always.

Drawings

Fig. 1 is a schematic view of the entire structure of a windmill electroscope in the embodiment of the present application;

fig. 2 is a schematic view of an internal structure of a wind turbine portion with a wind turbine electroscope according to an embodiment of the present application;

fig. 3 is a schematic structural view of a slide chute of a windmill part with a windmill electroscope in the embodiment of the present application;

FIG. 4 is a schematic structural diagram between a connecting rod and a damping block of the windmill electroscope in the embodiment of the present application;

FIG. 5 is a side view of a grip of a windmill electroscope in an embodiment of the present application;

figure 6 is a cross-sectional view of the locking slots of the windmill electroscope of the present embodiment.

Description of reference numerals: 1. a windmill unit; 11. a housing; 12. a rotating shaft; 121. a ball groove; 122. a ball bearing; 123. a damping sleeve; 124. a protrusion; 13. a support bar; 131. a trench; 14. a fan blade; 15. a damping block; 151. a card slot; 152. a threaded hole; 16. a connecting rod; 161. an inner rod; 162. an outer tube; 17. a slider; 18. a chute; 181. a first spring; 19. pulling a rope; 191. connecting blocks; 2. a holding portion; 21. an annular plate; 211. a roller; 22. a hinged lever; 23. holding the plate; 231. a first hinge portion; 2311. a sliding hole; 2312. a second spring; 232. a second hinge portion; 2321. a sliding block; 24. a locking plate; 241. a locking hole; 25. a locking groove; 26. a communicating groove; 261. a locking block; 262. a third spring; 27. opening the groove; 271. and opening the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses take windmill electroscope. Referring to fig. 1 and 2, the wind turbine electroscope includes a wind turbine unit 1 for detecting whether or not charging is performed, and a grip 2 located below the wind turbine unit 1.

Referring to fig. 2 and 3, the wind turbine portion 1 includes a rectangular hollow casing 11, and opposite sides of the casing 11 are open, and a direction along a line connecting the opposite open sides of the casing 11 is a longitudinal direction of the casing 11. The inside level that is located shell 11 is provided with pivot 12, and the axis of pivot 12 sets up along the length direction of shell 11, and shell 11 level respectively for the both ends of pivot 12 is provided with bracing piece 13, fixed connection between the both ends of bracing piece 13 and the shell 11 respectively, and the both ends of pivot 12 stretch into the inside of bracing piece 13 and rotate relatively and be connected.

The rotating shaft 12 is provided with a ball groove 121 on the circumferential side wall inside the supporting rod 13, the supporting rod 13 is provided with a groove 131 along the circumferential side wall of the rotating shaft 12 relative to the position of the ball groove 121, the groove 131 is opposite to the ball groove 121, the ball 122 is connected inside the ball groove 121 in a rolling manner, one end of the ball 122 extends out of the inside of the ball groove 121 and extends into the inside of the groove 131, and the ball 122 is connected with the supporting rod 13 in a rotating manner.

The coaxial fixedly connected with flabellum 14 on the circumference lateral wall that is located pivot 12, flabellum 14 is fixed a plurality ofly along circumference lateral wall equidistance, and is located pivot 12 and goes up coaxial fixedly connected with damping cover 123, and the below that is located pivot 12 sets up damping piece 15 for the position of damping cover 123, and damping piece 15 is rectangular structure and damping piece 15's upper surface is the arc groove structure relative with damping cover 123.

Referring to fig. 3 and 4, a plurality of protrusions 124 are fixedly connected to the outer surface of the damping sleeve 123 at equal intervals along the circumferential direction thereof, the protrusions 124 are elongated, and the protrusions 124 are disposed along the length direction of the housing 11. A clamping groove 151 is horizontally formed on the upper surface of the damping block 15 relative to the position of the protrusion 124, so that the friction between the damping block 15 and the damping sleeve 123 is increased through the matching of the protrusion 124 and the clamping groove 151.

Connecting rods 16 are horizontally arranged at two ends of the damping block 15 along the width direction of the shell 11 respectively, each connecting rod 16 comprises an inner rod 161 which is horizontally arranged, a threaded hole 152 is formed in the position, corresponding to the inner rod 161, of the damping block 15, and the inner rod 161 extends into the threaded hole 152 and is in threaded connection with the threaded hole 152 oppositely.

An outer tube 162 is sleeved at one end of the inner rod 161 facing away from the damping block 15, and the outer tube 162 is connected with the inner tube in a sliding mode and rotates relatively. And sliding blocks 17 are fixedly connected to one ends of the outer pipes 162, which are far away from the damping blocks 15. The shell 11 has vertically seted up spout 18 for the position of slider 17, and slider 17 is located the inside and the relative slip of spout 18, and is located the vertical first spring 181 that is provided with in below of slider 17, the top and the slider 17 fixed connection of first spring 181, and fixed connection between the bottom of first spring 181 and the shell 11.

When the rotary shaft 12 is not in use, the first spring 181 pushes the sliding block 17 to move upwards, so as to drive the damping block 15 to abut against the damping sleeve 123, thereby reducing the rotation of the rotary shaft 12.

Referring to fig. 4 and 5, a connecting block 191 is connected to the lower portion of the damping block 15 through a thread, a pull rope 19 is fixedly connected to one side of the connecting block 191 away from the damping block 15, and the pull rope 19 penetrates through the bottom wall of the outer shell 11.

Referring to fig. 5 and 6, an annular plate 21 is fixedly connected to one side of the holding portion 2 opposite to the pulling rope 19, the annular plate 21 is of an annular structure, the axis of the annular plate 21 is vertically arranged, and the pulling rope 19 passes through a hole of the annular plate 21.

The roller 211 is horizontally and rotatably connected inside the annular plate 21, the axis of the roller 211 is horizontally arranged, and the roller 211 is abutted against the pull rope 19 and rolls relatively. The hinged rod 22 is horizontally and fixedly arranged below the holding part 2 relative to the annular plate 21, the holding plate 23 is hinged to one end, away from the holding part 2, of the hinged rod 22, and the holding plate 23 comprises a first hinged part 231 and a second hinged part 232, wherein the first hinged part 231 is vertically arranged, and the second hinged part 232 is located at the top end of the first hinged part 231 in a bending mode. The bent part of the second hinge part 232 is hinged with the hinge rod 22, and the second hinge part 232 is fixedly connected with the pull rope 19.

A sliding hole 2311 is vertically formed in the top wall of the first hinge portion 231, a sliding block 2321 is fixedly connected to the position of the second hinge portion 232 relative to the sliding hole 2311, and the sliding block 2321 is located inside the sliding hole 2311 and is in relative sliding connection.

A second spring 2312 is horizontally arranged at one end of the first hinge portion 231 close to the holding portion 2, one end of the second spring 2312 is fixedly connected with the first hinge portion 231, and the other end of the second spring 2312 is fixedly connected with the holding portion 2. When the second spring 2312 is in the normal state, the second spring 2312 pushes the first hinge portion 231 to move toward the side away from the holding portion 2.

The bottom end of the first hinge portion 231 is hinged to a locking plate 24, the holding portion 2 is horizontally provided with a locking groove 25 at a position corresponding to the locking plate 24, and the locking plate 24 is located inside the locking groove 25 and is slidably connected with the holding portion 2. The upper surface that is located lockplate 24 has vertically seted up locking hole 241, and is located the portion of holding 2 and has vertically seted up communicating groove 26 for the position of locking groove 25, and communicating groove 26 communicates with locking groove 25 relatively, and is located the portion of holding 2 and has seted up opening groove 27 for the position level of communicating groove 26, and opening groove 27 communicates with communicating groove 26 relatively.

A locking block 261 is vertically and slidably connected inside the communication groove 26, an opening block 271 is horizontally arranged at the top end of the locking block 261 relative to the position of the opening groove 27, the opening block 271 is fixedly connected with the locking block 261, and the opening block 271 is slidably connected with the holding part 2. A third spring 262 is vertically provided above the lock block 261 so that when the lock plate 24 moves toward the side close to the communication groove 26, the lock hole 241 can be made to oppose the lock block 261, and the third spring 262 pushes the lock block 261 into the inside of the lock hole 241, locking the lock plate 24.

The implementation principle of the windmill electroscope in the embodiment of the application is as follows: when not in use, the third spring 262 pushes the first hinge portion 231 to move towards the side away from the holding portion 2, and the first spring 181 pushes the slider 17 to move upwards, and the slider 17 drives the connecting rod 16 to move upwards, so that the connecting rod 16 drives the damping block 15 to abut against the damping sleeve 123, and the rotation of the rotating shaft 12 is limited.

When the windmill part 1 needs to be used, the holding plate 23 is gripped, the first hinge portion 231 of the holding plate 23 moves towards the side close to the holding part 2, the second hinge portion 232 rotates towards the side away from the holding part 2, the pull rope 19 moves downwards, the damping block 15 moves downwards, and the damping block 15 and the damping sleeve 123 are separated relatively.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Take windmill electroscope, including holding portion (2) and being located windmill portion (1) of holding portion (2) top, its characterized in that: windmill portion (1) is including shell (11), the inside rotation of shell (11) is connected with pivot (12), fixed cover is equipped with flabellum (14) on pivot (12), the inside of shell (11) for the below sliding connection of pivot (12) has damping piece (15), shell (11) for the position of damping piece (15) is provided with the compression structure, one side of damping piece (15) is provided with the drive structure that damping piece (15) reciprocated.

2. The windmill electroscope of claim 1, wherein: the compressing structure comprises a connecting rod (16) which is arranged at two ends of the damping block (15) horizontally, a sliding block (17) is fixedly connected to the position of the shell (11) through the connecting rod (16), a sliding groove (18) is formed in the position of the shell (11) corresponding to the sliding block (17), the sliding block (17) slides relatively in the sliding groove (18), and a first elastic piece is vertically arranged below the sliding block (17).

3. The windmill electroscope of claim 2, wherein: connecting rod (16) including interior pole (161) that the level set up, the outside cover of interior pole (161) is equipped with outer tube (162), sliding connection between interior pole (161) and outer tube (162), just damping piece (15) for threaded hole (152) have been seted up to the position of interior pole (161), interior pole (161) with damping piece (15) are through threaded hole (152) threaded connection.

4. The windmill electroscope of claim 1, wherein: drive structure including with stay cord (19) that damping piece (15) link to each other, fixedly connected with annular plate (21) on holding portion (2), stay cord (19) certainly pass and relative slip in annular plate (21), holding portion (2) for the position level fixedly connected with hinge bar (22) of stay cord (19), hinge bar (22) deviate from holding portion (2) one side is articulated to be provided with and holds board (23), hold board (23) for hinge bar (22) top with stay cord (19) fixed connection, hold board (23) for hinge bar (22) below level is provided with the second elastic component.

5. The windmill electroscope of claim 4, wherein: the annular plate (21) is rotatably connected with a roller (211) relative to the position of the pull rope (19).

6. The windmill electroscope of claim 4, wherein: the utility model discloses a ball groove (121) is seted up to shell (11) for the both ends of pivot (12) are fixedly connected with bracing piece (13) respectively, pivot (12) with bracing piece (13) rotate to be connected, just pivot (12) for slot (131) have been seted up to the position of bracing piece (13), pivot (12) for ball groove (121) have been seted up to the position of slot (131), the inside roll connection of ball groove (121) has ball (122), the one end of ball (122) certainly stretch out and with the inside of ball groove (121) roll connection.

7. The windmill electroscope of claim 6, wherein: hold board (23) and be the extensible member, the bottom of bracing piece (13) is articulated to be provided with lockplate (24), hold (2) for locking groove (25) have been seted up to the position level of lockplate (24), lockplate (24) stretch into the inside and the relative slip of locking groove (25), locking hole (241) have been seted up to the upper surface of lockplate (24) is vertical, hold (2) for the vertical sliding connection in position of locking hole (241) has locking piece (261), the vertical third elastic component that is provided with in top of locking piece (261).

8. The windmill electroscope of claim 1, wherein: the outer side cover of pivot (12) is equipped with damping cover (123), damping cover (123) for the position fixedly connected with of damping piece (15) is protruding (124), damping piece (15) for draw-in groove (151) have been seted up to the position of protruding (124).