CN215986256U - Protection device of direct current resistance tester - Google Patents
Protection device of direct current resistance tester Download PDFInfo
- Publication number
- CN215986256U CN215986256U CN202122028583.7U CN202122028583U CN215986256U CN 215986256 U CN215986256 U CN 215986256U CN 202122028583 U CN202122028583 U CN 202122028583U CN 215986256 U CN215986256 U CN 215986256U
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- China
- Prior art keywords
- direct current
- current resistance
- resistance tester
- box
- lead screw
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- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of direct current resistance testers, and discloses a protection device of a direct current resistance tester, which comprises a protection box, wherein a lifting assembly is arranged in the protection box, the lifting assembly comprises a bearing seat, a reverse rotation screw rod, a forward rotation screw rod, a rotating handle, a screw rod sleeve, a lifting frame and a rod body, the reverse rotation screw rod is rotatably connected in the bearing seat, and one end of the reverse rotation screw rod is fixedly connected with the forward rotation screw rod; when using, rotate the crane deformation that the handle drove on the positive and negative lead screw through artifical the shaking, make direct current resistance tester rise or descend, at the rising during operation, fine enhancement the tester at the radiating ability of working process, increased its life, it plays the support guard action to direct current resistance tester to be equipped with the protection component at the removal in-process of protective housing, prevent that direct current resistance tester from producing the collision and rocking, increase direct current resistance tester's life.
Description
Technical Field
The utility model relates to the technical field of direct current resistance testers, in particular to a protection device of a direct current resistance tester.
Background
A common transformer direct-current resistance tester is generally fixed in a protection box, the tester is convenient to carry, when a worker detects the direct-current resistance of a transformer, the worker opens the protection box, a detection line is connected to the transformer direct-current resistance tester, then the detection line is connected with the transformer, and whether the transformer works normally or not is determined by observing a numerical value displayed on the transformer direct-current resistance tester.
In the prior art, in order to protect the direct current resistance tester, the direct current resistance tester is arranged in a sealed box body, so that when the direct current resistance tester works, good heat dissipation cannot be achieved due to the sealing performance of the box body, the service life of the direct current resistance tester is reduced, and the use cost of a user is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a protection device of a direct current resistance tester, which has the advantages of heat dissipation and protection, and solves the problems that the direct current resistance tester is arranged in a sealed box body for protecting the direct current resistance tester, so that the direct current resistance tester cannot be well dissipated due to the sealing property of the box body when the direct current resistance tester works, the service life of the direct current resistance tester is shortened, and the use cost of a user is increased.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a protector of direct current resistance tester, includes the protecting box, the internally mounted of protecting box has lifting unit, lifting unit includes bearing frame, derotation lead screw, positive lead screw, rotation handle, lead screw cover, crane and the body of rod, the inside of bearing frame is rotated and is connected with the derotation lead screw, the one end fixedly connected with of derotation lead screw the positive lead screw, the one end of positive lead screw with the axis of rotation fixed connection who rotates the handle, the lateral wall of derotation lead screw and positive lead screw is threaded connection respectively two the lead screw cover, the lateral wall of lead screw cover articulates there is the crane, the bottom of lead screw cover is equipped with the body of rod.
Preferably, the protective housing includes box, case lid, buckle mechanism, handle and direct current resistance tester, the top swing joint of box has the case lid, be equipped with on case lid and the box buckle mechanism, the lateral wall fixedly connected with of box the handle, the inside of box is equipped with the direct current resistance tester.
Through adopting above-mentioned scheme, box, case lid, buckle mechanism, handle and direct current resistance tester have constituted the primary structure of protective housing, and the user need use the direct current resistance tester to make, only need will press buckle mechanism, open the case lid, can use the inside direct current resistance tester of placing, carries the protective housing and can remove at any time, very convenient and fast.
Preferably, the inside wall of guard box is equipped with the protection subassembly, the protection subassembly includes electric telescopic handle, plate body one, spring, plate body two, gyro wheel and travel switch, electric telescopic handle's flexible end connection have plate body one, one side fixedly connected with of plate body one is two the spring, the one end fixedly connected with of spring plate body two, it is connected with two to rotate on the plate body two the gyro wheel, the inside of box is close to one side of the body of rod is equipped with travel switch.
Through adopting above-mentioned scheme, when the direct current resistance tester begins the downstream, two lead screw covers when the while outwards removes on derotation lead screw and positive lead screw respectively, when travel switch is touched to the body of rod of bottom, travel switch control electric telescopic handle's flexible end begins to promote forward, drive plate body one, a spring, plate body two and gyro wheel move forward, when touching the lateral wall of direct current resistance tester, electric telescopic handle's flexible end stop motion, fine prevention guard box is at the removal in-process, play the effect of fixed protection to its inside direct current resistance tester.
Preferably, the top end of the lifting frame is hinged with the bottom of the direct current resistance tester.
By adopting the scheme, the lifting frame well drives the direct current resistance tester to ascend and descend.
Preferably, the lifting frame is a diamond frame body.
By adopting the scheme, the lifting frame is more stable in the ascending and descending processes.
Preferably, the electrical output end of the travel switch is electrically connected with the electrical input end of the electric telescopic rod through a lead.
By adopting the scheme, the travel switch controls the motion of the electric telescopic rod.
Preferably, the bottom of the box cover is provided with a sealing gasket.
Through adopting above-mentioned scheme, make sealed effect better, prevent that impurity such as dust from getting into the inside of guard box, cause the destruction to inside direct current resistance tester.
Preferably, the inner side wall of the box cover is provided with a protective sponge.
By adopting the scheme, the internal direct current resistance tester can be better protected from being damaged due to collision in the moving process.
(III) advantageous effects
Compared with the prior art, the utility model provides a protection device of a direct current resistance tester, which has the following beneficial effects:
this protector of direct current resistance tester, when using, rotate the crane deformation that the handle drove on the positive and negative lead screw through artifical the shaking, make the direct current resistance tester rise or descend, at the rising during operation, fine enhancement the tester at the radiating ability of working process, the service life thereof has been increased, it plays the support guard action to the direct current resistance tester to be equipped with the protection component at the removal in-process of protective housing, prevent that the direct current resistance tester from producing the collision and rocking, increase the life of direct current resistance tester.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of the area A in FIG. 2 according to the present invention.
In the figure: 10. a protective box; 11. a box body; 12. a box cover; 13. a buckle mechanism; 14. a handle; 15. a direct current resistance tester; 20. a lifting assembly; 21. a bearing seat; 22. reversely rotating the screw rod; 23. a positive rotation screw rod; 24. rotating the handle; 25. a screw rod sleeve; 26. a lifting frame; 27. a rod body; 30. a protection component; 31. an electric telescopic rod; 32. a first plate body; 33. a spring; 34. a second plate body; 35. a roller; 36. a travel switch; 4. a sealing gasket; 5. a protective sponge.
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.
Example one
A protection device of a direct current resistance tester comprises a protection box 10, the protection box 10 comprises a box body 11, a box cover 12, a buckling mechanism 13, a lifting handle 14 and a direct current resistance tester 15, the top of the box body 11 is movably connected with the box cover 12, a sealing gasket 4 is arranged at the bottom of the box cover 12, a protective sponge 5 is arranged on the inner side wall of the box cover 12, the box cover 12 and the box body 11 are provided with the buckling mechanism 13, the outer side wall of the box body 11 is fixedly connected with the lifting handle 14, the direct current resistance tester 15 is arranged inside the box body 11, a lifting assembly 20 is arranged inside the protection box 10, the lifting assembly 20 comprises a bearing seat 21, a reverse rotation screw rod 22, a forward rotation screw rod 23, a rotation handle 24, a screw rod sleeve 25, a lifting frame 26 and a rod body 27, the reverse rotation screw rod 22 is connected inside the bearing seat 21 in a rotating mode, one end of the reverse rotation screw rod 22 is fixedly connected with the forward rotation screw rod 23, one end of the forward rotation screw rod 23 is fixedly connected with the rotation handle 24, the outer side walls of the reverse-rotation screw rod 22 and the forward-rotation screw rod 23 are respectively in threaded connection with two screw rod sleeves 25, the outer side wall of each screw rod sleeve 25 is hinged with a lifting frame 26, the bottom of each screw rod sleeve 25 is provided with a rod body 27, the top end of each lifting frame 26 is hinged with the bottom of the direct-current resistance tester 15, and each lifting frame 26 is a diamond-shaped frame body.
Referring to fig. 1-4, when in use, a user presses the buckle mechanism 13 to open the box cover 12, before starting to use the direct current resistance tester 15, the user shakes the rotating shaft of the rotating handle 24 to drive the rotating screw rod 23 and the rotating screw rod 22 to rotate left, the rotating screw rod drives the two screw rod sleeves 25 to move inwards at the same time, the lifting frame 26 on the screw rod sleeves 25 starts to deform and move upwards to lift the direct current resistance tester 15 upwards, when the tester is lifted to a proper position, the switch of the rotating handle 24 is pressed, the rotating screw rod stops rotating, the lifting frame 26 stops deforming, the tester stops lifting, and the heat dissipation capability of the tester in the working process is enhanced well while the use of the user is facilitated; after the detection is accomplished, in the same way, the rotation axis that the user rocked the rotation handle 24 in the opposite direction drives the positive lead screw 23 and the negative lead screw 22 to rotate right, and positive and negative lead screw drives two lead screw covers 25 and outwards moves simultaneously, and the crane 26 on the lead screw cover 25 begins to take place deformation and downstream, contracts the direct current resistance tester 15 downwards until accomodating the inside that gets into protective housing 10.
Example two
Referring to fig. 1-4, simultaneously, when the dc resistance tester 15 starts to move downwards, when two screw rod sleeves 25 respectively move outwards when the backspin 22 and the backspin 23 are in contact, when the rod body 27 at the bottom of the screw rod sleeve 25 touches the travel switch 36, the travel switch 36 controls the telescopic end of the electric telescopic rod 31 to start to push forwards, the first plate body 32 is driven, the spring 33, the second plate body 34 and the roller 35 move forwards, until the outer side wall of the dc resistance tester 15 is touched, the telescopic end of the electric telescopic rod 31 stops moving, the protection box is well prevented from moving in the moving process, and the dc resistance tester inside the protection box plays a role in fixed protection.
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 (8)
1. A protection device of a direct current resistance tester comprises a protection box (10), and is characterized in that: the internally mounted of guard box (10) has elevating module (20), elevating module (20) includes bearing frame (21), derotation lead screw (22), positive lead screw (23), rotates handle (24), lead screw cover (25), crane (26) and the body of rod (27), the internal rotation of bearing frame (21) is connected with derotation lead screw (22), the one end fixedly connected with of derotation lead screw (22) positive lead screw (23), the one end of positive lead screw (23) with the axis of rotation fixed connection who rotates handle (24), the lateral wall of derotation lead screw (22) and positive lead screw (23) threaded connection respectively has two lead screw cover (25), the lateral wall of lead screw cover (25) articulates there is crane (26), the bottom of lead screw cover (25) is equipped with the body of rod (27).
2. The protection device of a direct current resistance tester according to claim 1, wherein: protection box (10) include box (11), case lid (12), buckle mechanism (13), handle (14) and direct current resistance tester (15), the top swing joint of box (11) has case lid (12), be equipped with on case lid (12) and box (11) buckle mechanism (13), the lateral wall fixedly connected with of box (11) handle (14), the inside of box (11) is equipped with direct current resistance tester (15).
3. The protection device of a direct current resistance tester according to claim 2, wherein: the inside wall of guard box (10) is equipped with protection component (30), protection component (30) include electric telescopic handle (31), plate body (32), spring (33), plate body two (34), gyro wheel (35) and travel switch (36), the flexible end fixedly connected with of electric telescopic handle (31) plate body (32), one side fixedly connected with of plate body (32) is two spring (33), the one end fixedly connected with of spring (33) plate body two (34), it is connected with two to rotate on plate body two (34) gyro wheel (35), the inside of box (11) is close to one side of the body of rod (27) is equipped with travel switch (36).
4. The protection device of a direct current resistance tester according to claim 1, wherein: the top end of the lifting frame (26) is hinged with the bottom of the direct current resistance tester (15).
5. The protection device of a direct current resistance tester according to claim 1, wherein: the lifting frame (26) is a diamond frame body.
6. A protection device for a dc resistance tester according to claim 3, characterized in that: the electrical output end of the travel switch (36) is electrically connected with the electrical input end of the electric telescopic rod (31) through a lead.
7. The protection device of a direct current resistance tester according to claim 2, wherein: and a sealing gasket (4) is arranged at the bottom of the box cover (12).
8. The protection device of a direct current resistance tester according to claim 2, wherein: the inner side wall of the box cover (12) is provided with a protective sponge (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028583.7U CN215986256U (en) | 2021-08-26 | 2021-08-26 | Protection device of direct current resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028583.7U CN215986256U (en) | 2021-08-26 | 2021-08-26 | Protection device of direct current resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986256U true CN215986256U (en) | 2022-03-08 |
Family
ID=80579836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122028583.7U Expired - Fee Related CN215986256U (en) | 2021-08-26 | 2021-08-26 | Protection device of direct current resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215986256U (en) |
-
2021
- 2021-08-26 CN CN202122028583.7U patent/CN215986256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |