CN216350902U - Low pressure measurement mutual-inductor convenient to maintenance - Google Patents
Low pressure measurement mutual-inductor convenient to maintenance Download PDFInfo
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- CN216350902U CN216350902U CN202122432838.6U CN202122432838U CN216350902U CN 216350902 U CN216350902 U CN 216350902U CN 202122432838 U CN202122432838 U CN 202122432838U CN 216350902 U CN216350902 U CN 216350902U
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Abstract
The utility model relates to the field of low-voltage metering transformers convenient to maintain, in particular to a low-voltage metering transformer convenient to maintain, which comprises a positioning ring and a fixing ring, wherein the inner side of the positioning ring is slidably connected with a clamping plate for clamping and fixing a lead, and the middle part of the outer side of the clamping plate is slidably connected with a limiting rod for limiting the sliding track of the clamping plate, and has the beneficial effects that: according to the utility model, through the structure of the positioning ring, an operator is prevented from directly contacting with a wire during measurement, the measurement of the wire can be completed only by connecting and clamping the positioning ring and the fixing ring, and through the structures of the rotating ring and the pull rope, the clamping and connecting structure of the positioning ring and the fixing ring is convenient to disassemble while the connection stability is maintained, so that the maintenance efficiency of maintenance personnel is greatly improved.
Description
Technical Field
The utility model relates to the field of low-voltage metering transformers convenient to maintain, in particular to a low-voltage metering transformer convenient to maintain.
Background
The low-voltage metering current transformer is specially used for industrial metering, has the accuracy level of 0.2S, can be matched with a charging electric energy meter for use, and has accurate and reliable metering. The primary current measuring range is 5-2000A, the measuring range is wide, and the specifications are multiple.
At present, most low-voltage metering transformers are difficult to disassemble after being installed on a wire, and particularly when the low-voltage metering transformers need to be maintained in the later period, the low-voltage metering transformers are directly maintained on the wire, so that the electric shock condition easily occurs, and serious damage is caused to maintenance personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage metering transformer convenient to maintain so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low pressure measurement mutual-inductor convenient to maintenance, including holding ring and solid fixed ring, the inboard sliding connection of holding ring has carries out the fixed splint of centre gripping to the wire, the outside middle part sliding connection of splint has the gag lever post that carries out the restriction to splint slip orbit, gag lever post outside overcoat has the spring that promotes splint and remove to the inboard, gu fixed ring sets up the left side at the holding ring, the left side middle part of holding ring is passed through the go-between and is connected with solid fixed ring, gu fixed ring's inboard sliding connection has the fixture block fixed with the go-between joint, gu fixed ring's the outside is rotated and is connected with the swivel becket that the control fixture block contracts.
Preferably, the inner walls of the upper side and the lower side of the positioning ring are respectively fixedly connected with the outer end of the limiting rod, the limiting rod penetrates through the middle of the clamping plate and is in sliding connection with the clamping plate, and the limiting block for preventing the clamping plate from being separated from the limiting rod is fixedly connected with the inner end of the limiting rod.
Preferably, a spring is sleeved outside the part, located on the outer side, of the limiting rod, the inner side end of the spring is fixedly connected with the middle part of the outer side of the clamping plate, and the outer side end of the spring is fixedly connected with the inner wall of the positioning ring.
Preferably, the left middle part fixedly connected with go-between of holding ring, the right side middle part of solid fixed ring is provided with the spread groove, go-between and spread groove horizontal sliding connection, sliding connection has four evenly distributed's fixture block in the spread groove.
Preferably, the fixture block comprises a fixture block spring and a pull rope, the inner side end of the fixture block is correspondingly clamped with the left side clamping groove of the connecting ring, the middle of the outer side of the fixture block is fixedly connected with the inner side end of the fixture block spring, and the outer end of the fixture block spring is fixedly connected with the inner wall of the fixing ring.
Preferably, the pull rope is horizontally arranged on the inner side of the fixture block spring, the end part of the inner side of the pull rope is fixedly connected with the middle part of the outer side of the fixture block, the end part of the outer side of the pull rope is fixedly connected with the inner wall of the rotating ring, and the rotating ring is sleeved on the outer side of the fixing ring and is rotatably connected with the fixing ring.
Preferably, the inner wall of the fixing ring is fixedly connected with four ball blocks which are uniformly distributed, the ball blocks are arranged in a sliding groove in the outer side of the fixing ring, the ball blocks are connected with the sliding groove in a sliding mode, and the sliding groove is not overlapped with the clamping block.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the structure of the positioning ring, an operator is prevented from directly contacting with a wire during measurement, the measurement of the wire can be completed only by connecting and clamping the positioning ring and the fixing ring, and through the structures of the rotating ring and the pull rope, the clamping and connecting structure of the positioning ring and the fixing ring is convenient to disassemble while the connection stability is maintained, so that the maintenance efficiency of maintenance personnel is greatly improved.
Drawings
FIG. 1 is a schematic view of a retaining ring according to the present invention;
FIG. 2 is a view of the retaining ring and retaining ring connection of the present invention;
FIG. 3 is a schematic view of a retaining ring according to the present invention.
In the figure: the positioning ring 1, the connecting ring 11, the clamping groove 12, the clamping plate 2, the limiting rod 3, the spring 4, the fixing ring 5, the sliding groove 51, the fixture block 6, the fixture block spring 61, the pull rope 62, the rotating ring 7 and the ball block 71.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a low pressure measurement mutual-inductor convenient to maintenance, includes holding ring 1 and solid fixed ring 5, and the inboard sliding connection of holding ring 1 has carries out the splint 2 that the centre gripping is fixed to the wire.
The middle part of the outer side of the splint 2 is slidably connected with a limiting rod 3 which limits the sliding track of the splint 2, and a spring 4 which pushes the splint 2 to move inwards is sleeved outside the limiting rod 3.
The fixing ring 5 is arranged on the left side of the positioning ring 1, and the middle part of the left side of the positioning ring 1 is connected with the fixing ring 5 through a connecting ring 11.
The inner side of the fixed ring 5 is slidably connected with a clamping block 6 which is clamped and fixed with the connecting ring 11, and the outer side of the fixed ring 5 is rotatably connected with a rotating ring 7 which controls the clamping block 6 to shrink.
The inner walls of the upper side and the lower side of the positioning ring 1 are fixedly connected with the outer end portions of the limiting rods 3 respectively, the limiting rods 3 penetrate through the middle portions of the clamping plates 2 and are in sliding connection with the clamping plates 2, and the inner end portions of the limiting rods 3 are fixedly connected with limiting blocks which prevent the clamping plates 2 from being separated from the limiting rods 3.
The spring 4 is sleeved outside the part, located on the outer side, of the clamping plate 2 of the limiting rod 3, the end part of the inner side of the spring 4 is fixedly connected with the middle part of the outer side of the clamping plate 2, and the end part of the outer side of the spring 4 is fixedly connected with the inner wall of the positioning ring 1.
The left side middle part fixedly connected with go-between 11 of holding ring 1, the right side middle part of solid fixed ring 5 is provided with the spread groove, go-between 11 and spread groove horizontal sliding connection, sliding connection has four evenly distributed's fixture block 6 in the spread groove.
The fixture block 6 comprises a fixture block spring 61 and a pull rope 62, the inner side end of the fixture block 6 is correspondingly clamped with the left side clamping groove 12 of the connecting ring 11, the middle of the outer side of the fixture block 6 is fixedly connected with the inner side end of the fixture block spring 61, and the outer end of the fixture block spring 61 is fixedly connected with the inner wall of the fixing ring 5.
The pull rope 62 is horizontally arranged on the inner side of the fixture block spring 61, the end part of the inner side of the pull rope 62 is fixedly connected with the middle part of the outer side of the fixture block 6, the end part of the outer side of the pull rope 62 is fixedly connected with the inner wall of the rotating ring 7, and the rotating ring 7 is sleeved on the outer side of the fixed ring 5 and is rotatably connected with the fixed ring 5.
The inner wall of the fixing ring 5 is fixedly connected with four ball blocks 71 which are uniformly distributed, the ball blocks 71 are arranged in the sliding grooves 51 on the outer side of the fixing ring 5, the ball blocks 71 are connected with the sliding grooves 51 in a sliding mode, and the sliding grooves 51 are not overlapped with the fixture blocks 6.
The working principle is as follows: the positioning ring 1 is sleeved on the guide wire, and the clamping plate 2 is pulled to the upper side and the lower side, so that the clamping plate 2 is opened along the limiting rod 3.
After the wire passes through the middle part of the clamping plate 2, the clamping plate 2 clamps the wire by using the elastic force of the spring 4, and the wire is fixed at the middle part of the positioning ring 1.
The fixing ring 5 and the positioning ring 1 are placed left and right, and the clamping grooves 12 on the connecting ring 11 are aligned with the clamping blocks 6.
The coupling ring 11 is horizontally inserted into the coupling groove, and since the right side of the latch 6 is provided with a trapezoidal slope, the latch 6 is contracted as the coupling ring 11 is inserted.
After the connecting ring 11 is inserted into the bottom of the connecting groove, the projection of the clamping groove 12 is parallel to the clamping block 6, and the clamping block springs inwards under the action of the elastic force of the clamping block spring.
At this time, the end part of the inner side of the fixture block 6 slides inwards along the clamping groove 12, and the positioning ring 1 and the fixing ring 5 are clamped and fixed, so that the installation of the low-voltage metering transformer is completed.
When the disassembly and maintenance are needed, the rotating ring 7 is rotated clockwise, so that the ball block 71 rotates clockwise in the sliding groove 51.
At this time, the clockwise rotation of the rotating ring 7 drives the pulling rope 62 to move upwards, and pulls the fixture block 6 to shrink into the fixing ring 5, so that the positioning ring and the fixing ring 5 can be directly pulled towards two sides to separate.
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 (7)
1. The utility model provides a low pressure measurement mutual-inductor convenient to maintenance, includes holding ring (1) and solid fixed ring (5), its characterized in that: the utility model discloses a lead wire clamping device, including holding ring (1), limiting rod (3), spring (4) that push splint (2) inboard removed, the inboard sliding connection of holding ring (1) has splint (2) that the centre gripping is fixed to the wire, and the outside middle part sliding connection of splint (2) has gag lever post (3) that carry out the restriction to splint (2) slip orbit, and gag lever post (3) outside overcoat has the spring (4) that promote splint (2) to the inside side and move, solid fixed ring (5) set up in the left side of holding ring (1), and the left side middle part of holding ring (1) is passed through go-between (11) and is connected with solid fixed ring (5), and the inboard sliding connection of solid fixed ring (5) has fixture block (6) fixed with go-between (11) joint, and the outside of solid fixed ring (5) is rotated and is connected with swivel becket (7) that control fixture block (6) are contractive.
2. The low voltage metering transformer of claim 1, wherein: the inner walls of the upper side and the lower side of the positioning ring (1) are fixedly connected with the outer end portions of the limiting rods (3) respectively, the limiting rods (3) penetrate through the middle portions of the clamping plates (2) and are connected with the clamping plates (2) in a sliding mode, and the inner end portions of the limiting rods (3) are fixedly connected with limiting blocks for preventing the clamping plates (2) from being separated from the limiting rods (3).
3. The low voltage metering transformer convenient to maintain as claimed in claim 2, wherein: the part of the limiting rod (3) which is positioned on the outer side of the clamping plate (2) is sleeved with a spring (4), the inner side end of the spring (4) is fixedly connected with the middle part of the outer side of the clamping plate (2), and the outer side end of the spring (4) is fixedly connected with the inner wall of the positioning ring (1).
4. The low voltage metering transformer of claim 1, wherein: the left side middle part fixedly connected with go-between (11) of holding ring (1), the right side middle part of solid fixed ring (5) is provided with the spread groove, go-between (11) and spread groove horizontal sliding connection, sliding connection has four evenly distributed's fixture block (6) in the spread groove.
5. The low voltage metering transformer convenient to maintain as claimed in claim 4, wherein: the fixture block (6) comprises a fixture block spring (61) and a pull rope (62), the inner side end of the fixture block (6) is correspondingly clamped with the left side clamping groove (12) of the connecting ring (11), the middle of the outer side of the fixture block (6) is fixedly connected with the inner side end of the fixture block spring (61), and the outer end of the fixture block spring (61) is fixedly connected with the inner wall of the fixing ring (5).
6. The low voltage metering transformer convenient to maintain as claimed in claim 5, wherein: the inner side of the fixture block spring (61) is horizontally provided with a pull rope (62), the inner side end of the pull rope (62) is fixedly connected with the middle part of the outer side of the fixture block (6), the outer side end of the pull rope (62) is fixedly connected with the inner wall of the rotating ring (7), and the rotating ring (7) is sleeved on the outer side of the fixing ring (5) and is rotatably connected with the fixing ring (5).
7. The low voltage metering transformer of claim 6, wherein: the inner wall of the fixing ring (5) is fixedly connected with four ball blocks (71) which are uniformly distributed, the ball blocks (71) are arranged in a sliding groove (51) on the outer side of the fixing ring (5), the ball blocks (71) are connected with the sliding groove (51) in a sliding mode, and the sliding groove (51) is not overlapped with the clamping block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432838.6U CN216350902U (en) | 2021-10-09 | 2021-10-09 | Low pressure measurement mutual-inductor convenient to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432838.6U CN216350902U (en) | 2021-10-09 | 2021-10-09 | Low pressure measurement mutual-inductor convenient to maintenance |
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| Publication Number | Publication Date |
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| CN216350902U true CN216350902U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122432838.6U Active CN216350902U (en) | 2021-10-09 | 2021-10-09 | Low pressure measurement mutual-inductor convenient to maintenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797274A (en) * | 2022-06-27 | 2022-07-29 | 新乡市万和过滤技术股份公司 | Domestic sewage purification device |
-
2021
- 2021-10-09 CN CN202122432838.6U patent/CN216350902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797274A (en) * | 2022-06-27 | 2022-07-29 | 新乡市万和过滤技术股份公司 | Domestic sewage purification device |
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