CN211568638U - Earth ground net ground resistance tester - Google Patents
Earth ground net ground resistance tester Download PDFInfo
- Publication number
- CN211568638U CN211568638U CN201922354096.2U CN201922354096U CN211568638U CN 211568638 U CN211568638 U CN 211568638U CN 201922354096 U CN201922354096 U CN 201922354096U CN 211568638 U CN211568638 U CN 211568638U
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- Prior art keywords
- block
- resistance tester
- connecting piece
- threaded rod
- cavity structure
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- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a ground net ground resistance tester relates to electrical equipment technical field. Including box, resistance tester body and articulate the case lid on the box, be provided with the connecting piece on the box, be fixed with the joint part on the case lid, the connecting piece includes the block, the top of block is seted up fluted structure, and the inside of block has seted up the cavity structure, the inside fixed mounting of cavity structure has the montant of perpendicular setting, the montant run through the slider and with sliding connection between the slider, the inner wall bottom of cavity structure runs through and is provided with the threaded rod. Through setting up connecting piece cooperation joint part, through the inside of going into the connecting piece with joint part card to in the draw-in groove that makes the fixture block in the connecting piece insert the joint part, thereby accomplish and connect, can guarantee the fastness of connecting like this, avoid appearing the condition that drops. Meanwhile, when the device is mounted and dismounted, the effect of convenient use can be achieved.
Description
Technical Field
The utility model relates to an electrical equipment technical field specifically is a ground net ground resistance tester.
Background
The earth mat ground resistance tester is the commonly used monitoring facilities in the lightning protection detects, needs often to carry to the scene and carries out the monitoring to earth mat ground resistance. In prior art, the ground net ground resistance tester carry very inconvenient, open easily at the in-process box that carries to the problem that leads to circuits such as inside test wire, power cord to drop appears, is at the application number: 2018221812 discloses a ground net ground resistance tester. In this patent: the box cooperatees through L type cardboard and opening with the case lid and carries out the joint fixed to avoid carrying the utility model discloses in-process box and case lid separation.
However, in the patent, the connection mode of the box body and the box cover is very insecure, abrasion is inevitably caused along with use, and the situation that the box cover is opened can be caused if violent shaking occurs in the carrying process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a ground net ground resistance tester uses the back, can reach the connection stability, effect that facilitates the use simultaneously.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a geodetic network ground resistance tester, includes box, resistance tester body and articulates the case lid on the box, be provided with the connecting piece on the box, be fixed with the joint part on the case lid, the connecting piece includes the block, fluted structure is seted up at the top of block, and the inside of block has seted up the cavity structure, the inside fixed mounting of cavity structure has the montant of perpendicular setting, the montant run through the slider and with sliding connection between the slider, the inner wall bottom of cavity structure runs through and is provided with the threaded rod, pass through bearing swing joint between threaded rod and the connecting piece, the threaded rod runs through the lifter plate, lifter plate and threaded rod threaded connection, and one side fixed connection of lifter plate and slider, through the through-hole intercommunication between cavity structure and the fluted structure.
The through hole is provided with a clamping block in a penetrating mode, the clamping block is connected with the through hole in a sliding mode, one end of the clamping block is connected with one end of the elastic telescopic mechanism, the other end of the elastic telescopic mechanism is provided with a roller, the roller is connected with one side of the sliding block in a sliding mode, the clamping part is matched with the groove structure, and one side of the clamping part is provided with a clamping groove matched with the clamping block.
Preferably, the elastic telescopic mechanism comprises a fixing rod, one end of the fixing rod extends into the sleeve, a spring is sleeved on the outer surface of the fixing rod, and two ends of the spring are respectively fixed with one side of the sleeve and one side of the clamping block.
Preferably, the bottom end of the threaded rod is positioned below the block body and is fixedly provided with a rotating knob.
Preferably, one end of the clamping block extends into the groove structure, the top of the clamping block extending into one end of the groove structure is inclined, and one side, close to the through hole, of the bottom of the connecting piece is inclined.
Preferably, one end of the threaded rod, which is located inside the cavity structure, is fixedly provided with a limiting block.
Preferably, the bottom of the slider close to one side of the through hole is arranged in an arc inclined plane.
The utility model provides a ground net ground resistance tester. The method has the following beneficial effects:
(1) this ground net ground resistance tester through setting up connecting piece cooperation joint part, through the inside with joint part card income to the connecting piece to in the draw-in groove in making the fixture block in the connecting piece insert the joint part, thereby accomplish the connection, can guarantee the fastness of connection like this, avoid appearing the condition that drops. Meanwhile, when the device is mounted and dismounted, the effect of convenient use can be achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the connector of the present invention;
fig. 3 is a schematic structural diagram of the immortal credit card component.
In the figure: the resistance tester comprises a box body 1, a resistance tester body 2, a box cover 3, a connecting piece 4, a block 401, a groove 402 structure, a cavity 403 structure, a vertical rod 404, a sliding block 405, a threaded rod 406, a lifting plate 407, a clamping part 5, a clamping block 6, an elastic telescopic mechanism 7, a fixing rod 701, a sleeve 702, a spring 703, an idler wheel 8, a rotating knob 9, a clamping groove 10 and a limiting block 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a ground grid grounding resistance tester comprises a box body 1, a resistance tester body 2 and a box cover 3 hinged on the box body 1, the box body 1 is provided with a connecting piece 4, the box cover 3 is fixed with a clamping part 5, the connecting piece 4 comprises a block body 401, the top of the block body 401 is provided with a groove structure 402, a cavity structure 403 is arranged in the block body 401, a vertical rod 404 which is vertically arranged is fixedly arranged in the cavity structure 403, the vertical rod 404 penetrates through the sliding block 405 and is connected with the sliding block 405 in a sliding way, the bottom of the inner wall of the cavity structure 403 is provided with a threaded rod 406 in a penetrating way, the threaded rod 406 is movably connected with the connecting piece 4 through a bearing, the threaded rod 406 penetrates through the lifting plate 407, the lifting plate 407 is in threaded connection with the threaded rod 406, and the lifting plate 407 is fixedly connected with one side of the slider 405, and the cavity structure 403 is communicated with the groove structure 402 through a through hole 408.
The through hole 408 is provided with a clamping block 6 in a penetrating manner, the clamping block 6 is connected with the through hole 408 in a sliding manner, one end of the clamping block 6 is connected with one end of an elastic telescopic mechanism 7, the other end of the elastic telescopic mechanism 7 is provided with a roller 8, the roller 8 is connected with one side of the sliding block 405 in a sliding manner, the clamping part 5 is matched with the groove structure 402, and one side of the clamping part 5 is provided with a clamping groove 10 matched with the clamping block 6. The bottom end of the threaded rod 6 is located below the block 401 and is fixedly mounted with a turn knob 9.
The elastic telescopic mechanism 7 comprises a fixing rod 701, one end of the fixing rod 701 extends into the sleeve 702, a spring 703 is sleeved on the outer surface of the fixing rod 701, and two ends of the spring 703 are respectively fixed with one side of the sleeve 702 and one side of the fixture block 6.
In this embodiment: one end of the latch 6 extends into the groove structure 402, the top of the end of the latch 6 extending into the groove structure 402 is inclined, and one side of the bottom of the connecting member 4 near the through hole 408 is inclined. The threaded rod 406 is fixedly provided with a limiting block 11 at one end inside the cavity structure 403. The bottom of the slider 405 near one side of the through hole 408 is arranged in an arc-shaped inclined plane.
When the box cover 3 is closed in use, the clamping component 5 can be inserted into the groove structure 402 at the top of the connecting piece 4 in the closing process, and in the process, the clamping component 5 can extrude the clamping block 6 to enable the clamping block 6 to shrink into the cavity structure 3. When the slot 10 moves to the position of the latch 6, the spring 703 ejects the latch 6 into the slot 10, thereby completing the connection. When the separation is needed, the threaded rod 6 is rotated, and the movement of the lifting plate 407 is driven when the threaded rod 6 is rotated, so that the lifting plate 307 pushes the slider 405 to move, and the fixture block 6 is retracted into the cavity structure 403.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a ground net ground resistance tester, includes box (1), resistance tester body (2) and articulates case lid (3) on box (1), its characterized in that: the box body (1) is provided with a connecting piece (4), the box cover (3) is fixed with a clamping part (5), the connecting piece (4) comprises a block body (401), the top of the block body (401) is provided with a groove structure (402), the inside of the block body (401) is provided with a cavity structure (403), the inside of the cavity structure (403) is fixedly provided with a vertical rod (404) which is vertically arranged, the vertical rod (404) penetrates through a sliding block (405) and is in sliding connection with the sliding block (405), the bottom of the inner wall of the cavity structure (403) is provided with a threaded rod (406) in a penetrating way, the threaded rod (406) is movably connected with the connecting piece (4) through a bearing, the threaded rod (406) penetrates through a lifting plate (407), the lifting plate (407) is in threaded connection with the threaded rod (406), and the lifting plate (407) is fixedly connected with one side, the cavity structure (403) is communicated with the groove structure (402) through a through hole (408);
run through on through-hole (408) and be provided with fixture block (6), sliding connection between fixture block (6) and through-hole (408), also the one end of fixture block (6) is connected with the one end of elastic telescoping mechanism (7), the other end of elastic telescoping mechanism (7) is provided with gyro wheel (8), one side sliding connection of gyro wheel (8) and slider (405), joint part (5) and groove structure (402) looks adaptation, and draw-in groove (10) with fixture block (6) adaptation are seted up to one side of joint part (5).
2. The earth grid ground resistance tester of claim 1, characterized in that: the elastic telescopic mechanism (7) comprises a fixing rod (701), one end of the fixing rod (701) extends into the sleeve (702), a spring (703) is sleeved on the outer surface of the fixing rod (701), and two ends of the spring (703) are fixed to one side of the sleeve (702) and one side of the fixture block (6) respectively.
3. The earth grid ground resistance tester of claim 1, characterized in that: the bottom end of the threaded rod (406) is positioned below the block body (401) and is fixedly provided with a rotating knob (9).
4. The earth grid ground resistance tester of claim 1, characterized in that: one end of the fixture block (6) extends into the groove structure (402), the top of one end of the fixture block (6) extending into the groove structure (402) is inclined, and one side of the bottom of the connecting piece (4) close to the through hole (408) is inclined.
5. The earth grid ground resistance tester of claim 1, characterized in that: and a limiting block (11) is fixedly arranged at one end of the threaded rod (406) positioned in the cavity structure (403).
6. The earth grid ground resistance tester of claim 1, characterized in that: the bottom of the sliding block (405) close to one side of the through hole (408) is arranged in an arc inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354096.2U CN211568638U (en) | 2019-12-25 | 2019-12-25 | Earth ground net ground resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354096.2U CN211568638U (en) | 2019-12-25 | 2019-12-25 | Earth ground net ground resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211568638U true CN211568638U (en) | 2020-09-25 |
Family
ID=72548874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922354096.2U Expired - Fee Related CN211568638U (en) | 2019-12-25 | 2019-12-25 | Earth ground net ground resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211568638U (en) |
-
2019
- 2019-12-25 CN CN201922354096.2U patent/CN211568638U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |