CN217348858U - Protector of earth electricity detecting instrument - Google Patents
Protector of earth electricity detecting instrument Download PDFInfo
- Publication number
- CN217348858U CN217348858U CN202220447968.9U CN202220447968U CN217348858U CN 217348858 U CN217348858 U CN 217348858U CN 202220447968 U CN202220447968 U CN 202220447968U CN 217348858 U CN217348858 U CN 217348858U
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- fixing piece
- transmission mechanism
- fixing
- threaded rod
- gear
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- 230000005611 electricity Effects 0.000 title claims abstract description 32
- 230000001012 protector Effects 0.000 title description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 239000000872 buffer Substances 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 26
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 7
- 238000000034 method Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to a protective device of an earth electricity detecting instrument, which comprises a protective box, a first transmission mechanism, a second transmission mechanism, a first fixing part, a first buffer part, a second fixing part, a second buffer part, a third fixing part and a fourth fixing part; the first transmission mechanism is rotatably connected with the second transmission mechanism, the first fixing piece is in threaded connection with the second transmission mechanism, the second fixing piece is in threaded connection with the second transmission mechanism, a strip-shaped hole is formed in the second fixing piece, one end of the third fixing piece is in threaded connection with the first transmission mechanism, the other end of the third fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece, one end of the fourth fixing piece is in threaded connection with the first transmission mechanism, and the other end of the fourth fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece. The problem of earth electricity detecting instrument do not have the protective measure after using, receive external force and damage easily in the process of placing or carrying is solved.
Description
Technical Field
The utility model relates to a ground electric detection instrument technical field especially relates to a ground electric detection instrument's protector.
Background
When the earth electricity is detected, the earth electricity detecting instrument is used, but after the earth electricity detecting instrument is used, the earth electricity detecting instrument usually has no protective measures, and is directly placed in an office area or carried back to a laboratory, and the earth electricity detecting instrument which is randomly placed or carried is easily damaged by external force.
SUMMERY OF THE UTILITY MODEL
In order to overcome current earth electric detecting instrument and do not have safeguard measure after using, receive external force and the problem of damage easily at the in-process of placing or carrying, the utility model provides an earth electric detecting instrument's protector.
In order to solve the technical problem, the utility model provides a protective device of an earth electricity detecting instrument, which comprises a protective box, a first transmission mechanism, a second transmission mechanism, a first fixing part, a first buffer part, a second fixing part, a second buffer part, a third fixing part and a fourth fixing part;
one end of the first transmission mechanism is rotatably connected with the side wall of the inner cavity of the protective box, and the other end of the first transmission mechanism extends to the outside of the protective box;
the first transmission mechanism is rotationally connected with the second transmission mechanism, the upper end of the second transmission mechanism is rotationally connected with the top of the inner cavity of the protective box, and the lower end of the second transmission mechanism is rotationally connected with the bottom of the inner cavity of the protective box;
the first fixing piece is in threaded connection with the second transmission mechanism, one end of the first buffer piece is connected with the top of the inner cavity of the protective box, and the other end of the first buffer piece is connected with the first fixing piece;
the second fixing piece is in threaded connection with the second transmission mechanism, one end of the second buffer piece is connected with the bottom of the inner cavity of the protective box, the other end of the second buffer piece is connected with the second fixing piece, and the second fixing piece is provided with a strip-shaped hole;
the second transmission mechanism drives the first fixing piece and the second fixing piece to relatively approach or depart from each other in the vertical direction;
one end of a third fixing piece is in threaded connection with the first transmission mechanism, the other end of the third fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece, one end of a fourth fixing piece is in threaded connection with the first transmission mechanism, and the other end of the fourth fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece;
the first transmission mechanism drives the third fixing piece and the fourth fixing piece to relatively approach or depart from each other in the horizontal direction.
The utility model provides a pair of earth electric detecting instrument's protector's beneficial effect is: when the ground electricity detection instrument is used, the ground electricity detection instrument is placed on the second fixing piece, the first transmission mechanism is started, the first transmission mechanism drives the second transmission mechanism, the second transmission mechanism drives the first fixing piece and the second fixing piece to be close to each other, so that the first fixing piece and the second fixing piece form extrusion forces in the upper direction and the lower direction on the ground electricity detection instrument, and meanwhile, the first buffer piece and the second buffer piece are arranged, so that impact forces in the upper direction and the lower direction are buffered when the ground electricity detection instrument is transported or impacted; the first transmission mechanism drives the third fixing piece and the fourth fixing piece to be close to each other, so that extrusion forces in the left direction and the right direction are formed on the earth electricity detection instrument by the third fixing piece and the fourth fixing piece, at the moment, the earth electricity detection instrument is protected in the inner cavity of the protection box by providing the extrusion forces in the four directions of the earth electricity detection instrument, and the problem that the earth electricity detection instrument is damaged easily due to external force after being used and is easily subjected to the protection measures is solved.
On the basis of the technical scheme, the utility model discloses a protection device of earth electricity detecting instrument can also do following improvement.
Furthermore, first drive mechanism includes handle, first threaded rod, first gear and second gear, and the one end of first threaded rod rotates with the intracavity lateral wall of guard box to be connected, and the other end of first threaded rod extends to the outside of guard box and is connected with the handle.
The beneficial effect of adopting the further scheme is that: when the handle is used, the handle is directly rotated, the handle drives the first threaded rod to rotate, the first threaded rod drives the first gear and the second gear to rotate, and the first gear and the second gear drive the second transmission mechanism to rotate.
Further, the second transmission mechanism comprises a second threaded rod, a third gear, a third threaded rod and a fourth gear; the third gear and the fourth gear are respectively rotatably connected with the first transmission mechanism, one end of the second threaded rod is rotatably connected with the top of the inner cavity of the protection box, the other end of the second threaded rod is in threaded connection with the bottom of the inner cavity of the protection box, the second threaded rod is connected with the third gear, one end of the third threaded rod is rotatably connected with the top of the inner cavity of the protection box, the other end of the third threaded rod is in threaded connection with the bottom of the inner cavity of the protection box, and the third threaded rod is connected with the fourth gear.
The beneficial effect of adopting the further scheme is that: drive third gear and fourth gear rotation through first drive mechanism, the third gear drives the second threaded rod and rotates, and the fourth gear drives the third threaded rod and rotates, and the rotation of second threaded rod and third threaded rod drives first mounting and second mounting and is close to each other or keep away from in vertical direction to the extrusion force of two directions about forming to ground electric detection instrument.
Further, the first fixing piece and the second fixing piece are both provided with press plates with threaded holes.
The beneficial effect of adopting the further scheme is that: the earth electricity detecting instrument can be placed on one of the pressing plates, two sides of the pressing plates with the threaded holes are respectively in threaded connection with the second transmission mechanism, and therefore the second transmission mechanism drives the two pressing plates to be close to or far away from each other in the vertical direction, and therefore extrusion force in the upper direction and the lower direction is formed on the earth electricity detecting instrument.
Furthermore, the pressing plate is made of elastic materials.
The beneficial effect of adopting the further scheme is that: the pressure plate is made of elastic materials and provides buffering force for the electric detection instrument when the pressure plate is transported or impacted.
Further, the first buffer member and the second buffer member are both springs.
The beneficial effect of adopting the further scheme is that: when the electric detection instrument is transported or impacted, the impact force in the upper direction and the lower direction is buffered.
Further, the third fixing piece comprises a first sliding block, a first connecting rod and a first fixing plate, the first sliding block is in threaded connection with the first transmission mechanism, one end of the first connecting rod is connected with the first sliding block, and the other end of the first connecting rod penetrates through the strip-shaped hole to extend to the position above the second fixing piece and is connected with the first fixing plate;
the fourth fixing piece comprises a second sliding block, a second connecting rod and a second fixing plate, the second sliding block is in threaded connection with the first transmission mechanism, one end of the second connecting rod is connected with the second sliding block, and the other end of the second connecting rod penetrates through the strip-shaped hole to extend to the position above the second fixing piece and is connected with the second fixing plate.
The beneficial effect of adopting the further scheme is that: first drive mechanism drives first slider and second slider and is close to or keeps away from each other in the horizontal direction, and first slider drives the head rod and removes, and the head rod drives first fixed plate and removes, and the second slider drives the second connecting rod and removes, and the second connecting rod drives the second fixed plate, and finally, first fixed plate and second fixed plate are close to each other in the horizontal direction to the extrusion force of two directions about forming to earth electrical detection instrument.
Furthermore, the head rod includes first flexible portion and the flexible portion of second, is provided with a plurality of first fixed orificess on first flexible portion and the flexible portion of second respectively, and the second connecting rod includes third flexible portion and the flexible portion of fourth, is provided with a plurality of second fixed orificess on third flexible portion and the flexible portion of fourth respectively.
The beneficial effect of adopting the further scheme is that: because the first fixing part, the second fixing part, the third fixing part and the fourth fixing part are all driven by the first transmission mechanism, the first fixing part and the second fixing part may generate extrusion force on the ground electric detection instrument, but the third fixing part and the fourth fixing part are not in contact with the ground electric detection instrument, so that the length of the whole first connecting rod can be extended by the first fixing hole, the length of the whole second connecting rod can be extended by the second fixing hole, and finally, the first fixing plate and the second fixing plate can be in contact with the ground electric detection instrument and generate extrusion force in the left direction and the right direction.
Further, still include the pulley, the pulley rotates the bottom of connecting at the guard box.
The beneficial effect of adopting the further scheme is that: the transportation of the protective box is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of a protective device of an earth electricity detecting apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a protective device of an earth electricity detecting apparatus in another working state according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position a of a fourth fixing member according to an embodiment of the present invention.
Reference numerals: the protection box comprises a protection box 1, a handle 2, a first threaded rod 3, a first gear 4, a second gear 5, a second threaded rod 6, a third gear 7, a third threaded rod 8, a fourth gear 9, a first fixing part 10, a first buffering part 11, a second fixing part 12, a second buffering part 13, a first sliding block 14, a first connecting rod 15, a first fixing plate 16, a second sliding block 17, a second connecting rod 18, a second fixing plate 19, a third telescopic part 20, a fourth telescopic part 21, a second fixing hole 22 and a pulley 23.
Detailed Description
The following examples are further illustrative and supplementary to the present invention and do not constitute any limitation to the present invention.
The following describes a protection device of an earth electricity detecting instrument according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1-2, the protection device of an earth electricity detecting apparatus according to an embodiment of the present invention includes a protection box 1, a first transmission mechanism, a second transmission mechanism, a first fixing member 10, a first buffer member 11, a second fixing member 12, a second buffer member 13, a third fixing member, and a fourth fixing member;
one end of the first transmission mechanism is rotatably connected with the side wall of the inner cavity of the protective box 1, and the other end of the first transmission mechanism extends to the outside of the protective box 1;
the first transmission mechanism is rotationally connected with the second transmission mechanism, the upper end of the second transmission mechanism is rotationally connected with the top of the inner cavity of the protective box 1, and the lower end of the second transmission mechanism is rotationally connected with the bottom of the inner cavity of the protective box 1;
the first fixing part 10 is in threaded connection with the second transmission mechanism, one end of the first buffering part 11 is connected with the top of the inner cavity of the protective box 1, and the other end of the first buffering part 11 is connected with the first fixing part 10;
the second fixing part 12 is in threaded connection with the second transmission mechanism, one end of the second buffering part 13 is connected with the bottom of the inner cavity of the protective box 1, the other end of the second buffering part 13 is connected with the second fixing part 12, and the second fixing part 12 is provided with a strip-shaped hole (the strip-shaped hole is not shown, but in this embodiment, the strip-shaped hole can be formed in the second fixing part 12 according to actual conditions so as to ensure that the third fixing part and the fourth fixing part can pass through and do relative motion in the horizontal direction in the strip-shaped hole);
the second transmission mechanism drives the first fixing piece 10 and the second fixing piece 12 to relatively approach or depart from each other in the vertical direction;
one end of the third fixing piece is in threaded connection with the first transmission mechanism, the other end of the third fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece 12, one end of the fourth fixing piece is in threaded connection with the first transmission mechanism, and the other end of the fourth fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece 12;
the first transmission mechanism drives the third fixing piece and the fourth fixing piece to relatively approach or depart from each other in the horizontal direction.
When the device is used, the geoelectricity detection instrument is placed on the second fixing piece 12, the first transmission mechanism is started, the first transmission mechanism drives the second transmission mechanism, the second transmission mechanism drives the first fixing piece 10 and the second fixing piece 12 to be close to each other, so that the first fixing piece 10 and the second fixing piece 12 form extrusion forces in the upper direction and the lower direction on the geoelectricity detection instrument, and meanwhile, the first buffer piece 11 and the second buffer piece 13 are arranged, so that impact forces in the upper direction and the lower direction are buffered when the geoelectricity detection instrument is transported or impacted; the first transmission mechanism drives the third fixing piece and the fourth fixing piece to be close to each other, so that extrusion forces in the left direction and the right direction are formed on the earth electricity detection instrument by the third fixing piece and the fourth fixing piece, at the moment, the earth electricity detection instrument is protected in the inner cavity of the protection box 1 by providing the extrusion forces in the four directions of the earth electricity detection instrument, and the problem that the earth electricity detection instrument is damaged easily due to external force after being used due to no protection measures is solved.
Optionally, the first transmission mechanism includes handle 2, first threaded rod 3, first gear 4 and second gear 5, and the one end of first threaded rod 3 is connected with the inner chamber lateral wall of protection box 1 is rotated, and the other end of first threaded rod 3 extends to the outside of protection box 1 and is connected with handle 2.
Optionally, the second transmission mechanism comprises a second threaded rod 6, a third gear 7, a third threaded rod 8 and a fourth gear 9; third gear 7 and the meshing of first gear 4, fourth gear 9 and the meshing of second gear 5, the one end of second threaded rod 6 rotates with the inner chamber top of guard box 1 to be connected, the other end of second threaded rod 6 and the inner chamber bottom threaded connection of guard box 1, second threaded rod 6 is connected with third gear 7, the one end of third threaded rod 8 rotates with the inner chamber top of guard box 1 to be connected, the other end of third threaded rod 8 and the inner chamber bottom threaded connection of guard box 1, third threaded rod 8 is connected with fourth gear 9.
Optionally, the first fixing member 10 and the second fixing member 12 are both pressing plates with threaded holes, and both ends of the pressing plate are respectively in threaded connection with the second threaded rod 6 and the third threaded rod 8.
Optionally, the first and second buffers 11, 13 are both springs.
Optionally, the third fixing member includes a first slider 14, a first connecting rod 15 and a first fixing plate 16, the first slider 14 is connected to the first threaded rod 3 through a thread, one end of the first connecting rod 15 is connected to the first slider 14, and the other end of the first connecting rod 15 passes through the strip-shaped hole, extends to above the second fixing member 12, and is connected to the first fixing plate 16;
the fourth fixing piece comprises a second sliding block 17, a second connecting rod 18 and a second fixing plate 19, the second sliding block 17 is in threaded connection with the first threaded rod 3, one end of the second connecting rod 18 is connected with the second sliding block 17, and the other end of the second connecting rod 18 penetrates through the strip-shaped hole to extend to the position above the second fixing piece 12 and is connected with the second fixing plate 19.
Optionally, as shown in fig. 3, which is a schematic structural diagram of a position a of the fourth fixing member, a structure of the third fixing member is the same as that of the fourth fixing member, and therefore, not shown in the drawing, wherein the first connecting rod 15 includes a first telescopic portion and a second telescopic portion, a plurality of first fixing holes are respectively formed on the first telescopic portion and the second telescopic portion, the second connecting rod 18 includes a third telescopic portion 20 and a fourth telescopic portion 21, and a plurality of second fixing holes 22 are respectively formed on the third telescopic portion 20 and the fourth telescopic portion 21.
In this embodiment, the first, second, third and fourth expansion parts 20, 21 are all made of hollow tubes, meanwhile, the inner diameter of the first expansion part is slightly larger than the outer diameter of the second expansion part, and the inner diameter of the third expansion part 20 is slightly larger than the outer diameter of the fourth expansion part 21, based on the above, when the first fixing member 10 and the second fixing member 12 form a pressing force to the electric ground fault detecting instrument, but the third fixing member and the fourth fixing member are not yet in contact with the electric ground fault detecting instrument, the fourth telescopic part 21 is partially extended from the inner cavity of the third telescopic part 20, meanwhile, the third telescopic part 20 and the fourth telescopic part 21 can be fixed through the second fixing hole 22 in a detachable mode such as bolts, and the like, and similarly, the first telescopic part and the second telescopic part also perform the same operation, and finally, the third fixing piece and the fourth fixing piece can be enabled to form pressing force in the left direction and the right direction on the electric ground detection instrument.
Optionally, the device further comprises a pulley 23, and the pulley 23 is rotatably connected to the bottom of the protective box 1.
The working principle is as follows: when in use, the earth electricity detecting instrument is placed on the first fixing part 10, the handle 2 is rotated, the handle 2 drives the first threaded rod 3 to rotate, the first threaded rod 3 drives the first gear 4 and the second gear 5 to rotate, the first gear 4 drives the third gear 7 to rotate, the second gear 5 drives the fourth gear 9 to rotate, the third gear 7 drives the second threaded rod 6 to rotate, the fourth gear 9 drives the third threaded rod 8 to rotate, the second threaded rod 6 and the third threaded rod 8 drive the first fixing part 10 and the second fixing part 12 to approach each other in the vertical direction, the first fixing part 10 and the second fixing part 12 approach each other to form extrusion forces in the upper and lower directions on the earth electricity detecting instrument, the first threaded rod 3 also drives the first sliding block 14 and the second sliding block 17 to approach each other in the horizontal direction, the first sliding block 14 drives the first connecting rod 15 to move, the second sliding block 17 drives the second connecting rod 18 to move, finally, the first fixing plate 16 and the second fixing plate 19 are horizontally close to each other, and form pressing forces in both left and right directions against the earth electric potential detecting instrument.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A protection device of an earth electricity detection instrument is characterized in that: the device comprises a protective box (1), a first transmission mechanism, a second transmission mechanism, a first fixing piece (10), a first buffer piece (11), a second fixing piece (12), a second buffer piece (13), a third fixing piece and a fourth fixing piece;
one end of the first transmission mechanism is rotatably connected with the side wall of the inner cavity of the protective box (1), and the other end of the first transmission mechanism extends to the outside of the protective box (1);
the first transmission mechanism is rotationally connected with the second transmission mechanism, the upper end of the second transmission mechanism is rotationally connected with the top of the inner cavity of the protective box (1), and the lower end of the second transmission mechanism is rotationally connected with the bottom of the inner cavity of the protective box (1);
the first fixing piece (10) is in threaded connection with the second transmission mechanism, one end of the first buffer piece (11) is connected with the top of the inner cavity of the protective box (1), and the other end of the first buffer piece (11) is connected with the first fixing piece (10);
the second fixing piece (12) is in threaded connection with the second transmission mechanism, one end of the second buffer piece (13) is connected with the bottom of the inner cavity of the protective box (1), the other end of the second buffer piece (13) is connected with the second fixing piece (12), and the second fixing piece (12) is provided with a strip-shaped hole;
the second transmission mechanism drives the first fixing piece (10) and the second fixing piece (12) to relatively approach or separate from each other in the vertical direction;
one end of the third fixing piece is in threaded connection with the first transmission mechanism, the other end of the third fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece (12), one end of the fourth fixing piece is in threaded connection with the first transmission mechanism, and the other end of the fourth fixing piece penetrates through the strip-shaped hole and extends to the position above the second fixing piece (12);
the first transmission mechanism drives the third fixing piece and the fourth fixing piece to relatively approach or depart from each other in the horizontal direction.
2. A shield for an electrical inspection apparatus according to claim 1, wherein: first drive mechanism includes handle (2), first threaded rod (3), first gear (4) and second gear (5), the one end of first threaded rod (3) with the intracavity lateral wall of guard box (1) rotates to be connected, the other end of first threaded rod (3) extends to the outside of guard box (1) with handle (2) are connected.
3. A shield for an electrical inspection apparatus according to claim 1, wherein: the second transmission mechanism comprises a second threaded rod (6), a third gear (7), a third threaded rod (8) and a fourth gear (9); third gear (7) with fourth gear (9) respectively with first drive mechanism rotates to be connected, the one end of second threaded rod (6) with the inner chamber top of guard box (1) rotates to be connected, the other end of second threaded rod (6) with the inner chamber bottom threaded connection of guard box (1), second threaded rod (6) with third gear (7) are connected, the one end of third threaded rod (8) with the inner chamber top of guard box (1) rotates to be connected, the other end of third threaded rod (8) with the inner chamber bottom threaded connection of guard box (1), third threaded rod (8) with fourth gear (9) are connected.
4. A shield for an electrical inspection apparatus according to claim 1, wherein: the first fixing piece (10) and the second fixing piece (12) are both pressing plates with threaded holes.
5. A shield arrangement for an electrical inspection apparatus according to claim 4, wherein: the pressing plate is made of elastic materials.
6. A shield for an electrical inspection apparatus according to claim 1, wherein: the first buffer (11) and the second buffer (13) are both springs.
7. A shield for an electrical inspection apparatus according to claim 1, wherein: the third fixing piece comprises a first sliding block (14), a first connecting rod (15) and a first fixing plate (16), the first sliding block (14) is in threaded connection with the first transmission mechanism, one end of the first connecting rod (15) is connected with the first sliding block (14), and the other end of the first connecting rod (15) penetrates through the strip-shaped hole, extends to the position above the second fixing piece (12) and is connected with the first fixing plate (16);
the fourth fixing piece comprises a second sliding block (17), a second connecting rod (18) and a second fixing plate (19), the second sliding block (17) is in threaded connection with the first transmission mechanism, one end of the second connecting rod (18) is connected with the second sliding block (17), and the other end of the second connecting rod (18) penetrates through the strip-shaped hole to extend to the position above the second fixing piece (12) and is connected with the second fixing plate (19).
8. A shield for an electrical inspection apparatus according to claim 7, wherein: first connecting rod (15) include first flexible portion and the flexible portion of second, first flexible portion with be provided with a plurality of first fixed orificess on the flexible portion of second respectively, second connecting rod (18) include third flexible portion (20) and fourth flexible portion (21), third flexible portion (20) with be provided with a plurality of second fixed orificess (22) on fourth flexible portion (21) respectively.
9. A shield arrangement for an electrical testing apparatus according to any one of claims 1 to 8, wherein: the protective box is characterized by further comprising a pulley (23), wherein the pulley (23) is rotatably connected to the bottom of the protective box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220447968.9U CN217348858U (en) | 2022-03-03 | 2022-03-03 | Protector of earth electricity detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220447968.9U CN217348858U (en) | 2022-03-03 | 2022-03-03 | Protector of earth electricity detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217348858U true CN217348858U (en) | 2022-09-02 |
Family
ID=83050557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220447968.9U Expired - Fee Related CN217348858U (en) | 2022-03-03 | 2022-03-03 | Protector of earth electricity detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217348858U (en) |
-
2022
- 2022-03-03 CN CN202220447968.9U patent/CN217348858U/en not_active Expired - Fee Related
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Granted publication date: 20220902 |