CN213459384U - Grounding insulation structure of transformer core clamp - Google Patents
Grounding insulation structure of transformer core clamp Download PDFInfo
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- CN213459384U CN213459384U CN202022827371.0U CN202022827371U CN213459384U CN 213459384 U CN213459384 U CN 213459384U CN 202022827371 U CN202022827371 U CN 202022827371U CN 213459384 U CN213459384 U CN 213459384U
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Abstract
The utility model provides a grounding insulation structure of a transformer iron core clamping piece, belonging to the technical field of transformers, comprising a first bracket, a second bracket, an insulation backing plate, an insulation tube and a bolt, wherein the first bracket is provided with a first through hole; the second bracket is provided with a second through hole, and the second bracket and the first bracket are respectively used for being connected with the box cover and the clamping piece; the insulating base plate is arranged between the first support and the second support, and a through hole is formed in the insulating base plate; an insulating plate is arranged at one end of the insulating tube, an inner hole of the insulating tube penetrates through the insulating plate, the insulating plate is attached to the second support, and the insulating tube is arranged in a second through hole of the second support; the screw rod of the bolt sequentially penetrates through the insulating pipe, the through hole and the first through hole, and the penetrating end of the screw rod is in threaded connection with the nut. The utility model provides a transformer core folder ground connection insulation system makes folder and transformer box's insulating connection more firm.
Description
Technical Field
The utility model belongs to the technical field of the transformer, more specifically say, relate to a transformer core folder ground connection insulation system.
Background
For the structure that the transformer iron core and the clamping piece are led out to be grounded independently, the clamping piece is in insulation connection with the box body, if the cost reduction and the box body insulation are not firm, the ground insulation resistance of the clamping piece is zero, and potential safety hazards exist. In the prior art, a support is arranged on a box body, an insulating gasket is arranged between a clamping piece and the support, through holes are formed in the support and the clamping piece, the aperture of each through hole is larger than that of a screw rod of a bolt, the screw rods penetrate through the insulating gasket and the two through holes to be connected and fixed with nuts, the bolts are located in the middle of the through holes and do not contact with the inner walls of the through holes, and therefore insulation is achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer core folder ground connection insulation system aims at solving the insulating connection structure of current folder and box, uses the problem that has the risk of folder and box short circuit for a long time.
In order to achieve the above object, the utility model adopts the following technical scheme: the grounding insulation structure of the transformer core clamping piece comprises a first support, a second support, an insulation base plate, an insulation tube and a bolt, wherein a first through hole is formed in the first support; the second bracket is provided with a second through hole, and the second bracket and the first bracket are respectively used for being connected with the box cover and the clamping piece; the insulating base plate is arranged between the first support and the second support, and a through hole is formed in the insulating base plate; an insulating plate is arranged at one end of the insulating tube, an inner hole of the insulating tube penetrates through the insulating plate, the insulating plate is attached to the second support, and the insulating tube is arranged in a second through hole of the second support; the screw rod of the bolt sequentially penetrates through the insulating pipe, the through hole and the first through hole, and the penetrating end of the screw rod is in threaded connection with the nut.
In another embodiment of the present application, the insulating tube and the insulating plate are integrated.
As another embodiment of the present application, the integrated insulating tube and insulating plate are nylon parts.
As another embodiment of the present application, the grounding insulation structure of the transformer core clamp has two sets of correspondingly disposed first through holes, second through holes, insulation tubes, bolts, and nuts.
As another embodiment of the present application, the lengths of the first through hole and the second through hole are greater than the widths of the first through hole and the second through hole, the length direction of the first through hole is perpendicular to the length direction of the first bracket, and the length direction of the second through hole is parallel to the length direction of the second bracket.
As another embodiment of this application, first support is equipped with first backup pad, and the interval is equipped with a plurality of first support posts on the first backup pad, and the length direction of first through-hole is perpendicular with the length direction of first backup pad.
As another embodiment of the application, the second support is provided with a second support plate, a plurality of second support columns are arranged on the second support plate at intervals, and the length direction of the second through hole is parallel to the length direction of the second support plate.
As another embodiment of the present application, a first positioning groove is formed in the first supporting plate, a second positioning block is formed in the second supporting plate, a first positioning block and a second positioning groove are correspondingly formed in the insulating base plate, the first positioning block is inserted into the first positioning groove, and the second positioning block is inserted into the second positioning groove.
As another embodiment of this application, insulating bounding wall is enclosed to insulating backing plate outer wall and is equipped with insulating bounding wall, and insulating bounding wall upper end and lower extreme all protrude insulating backing plate, and during first backup pad and second backup pad inserted insulating bounding wall from upper end and lower extreme respectively, the outer wall of first backup pad and second backup pad is wrapped up to insulating bounding wall.
As another embodiment of the application, the insulating backing plate and the insulating enclosing plate are of an integral structure and have elasticity.
The utility model provides a transformer core folder ground connection insulation system's beneficial effect lies in: compared with the prior art, the utility model discloses transformer core folder ground connection insulation system, first support and second support link to each other with folder, case lid respectively, set up insulating backing plate between first support and second support, first through-hole on the first support, the second through-hole on the second support, the through hole on the insulating backing plate is relative, the insulating tube that the setting has the insulation board, the insulating tube is arranged in the second through-hole, the screw rod of bolt wears tub insulating tube in proper order, the through hole, first through-hole, the end threaded connection nut that wears out of screw rod, realize insulating connection and fixed. After the bolt is not hard up because of long-term the use, in time produce the skew, because of the isolated of insulating tube, the bolt can't contact with the inner wall of second through-hole, first through-hole simultaneously for the insulation between folder and box is more stable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grounding insulation structure of a transformer core clamp according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an insulation cover according to an embodiment of the present invention;
fig. 3 is a schematic view of a first support structure adopted in the embodiment of the present invention;
FIG. 4 is a schematic view of a second bracket structure used in the embodiment of the present invention;
fig. 5 is an exploded view of the first bracket, the insulating pad, and the second bracket according to the embodiment of the present invention;
fig. 6 is an exploded view of the first bracket, the insulating pad, and the second bracket of the present invention in another angle.
In the figure: 1. a box cover; 2. a first bracket; 3. a second bracket; 4. a clamp; 5. a bolt; 6. an insulating tube; 7. an insulating base plate; 8. a nut; 9. insulating enclosing plates; 201. a first through hole; 202. a first positioning groove; 301. a second through hole; 302. a second positioning block; 701. a first positioning block; 702. a second positioning groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a grounding insulation structure of a transformer core clamp according to the present invention will now be described. The grounding insulation structure of the transformer core clamp comprises a first support 2, a second support 3, an insulation base plate 7, an insulation tube 6 and a bolt 5, wherein a first through hole 201 is formed in the first support 2; the second bracket 3 is provided with a second through hole 301, and the second bracket 3 and the first bracket 2 are respectively used for connecting the box cover 1 and the clamping piece 4; the insulating base plate 7 is arranged between the first support 2 and the second support 3, and a through hole is formed in the insulating base plate 7; an insulating plate is arranged at one end of the insulating tube 6, an inner hole of the insulating tube 6 penetrates through the insulating plate, the insulating plate is attached to the second support 3, and the insulating tube 6 is arranged in a second through hole 301 of the second support 3; the screw rod of the bolt 5 sequentially penetrates through the insulating tube 6, the through hole and the first through hole 201, and the penetrating end of the screw rod is in threaded connection with the nut 8.
The utility model provides a transformer core folder ground connection insulation system, compared with the prior art, first support 2 and second support 3 respectively with folder 4, case lid 1 links to each other, set up insulating backing plate 7 between first support 2 and second support 3, first through-hole 201 on the first support 2, second through-hole 301 on the second support 3, the through hole on the insulating backing plate 7 is relative, the insulating tube 6 that has the insulation board is set up, insulating tube 6 is arranged in second through-hole 301, the screw rod of bolt 5 wears tub insulating tube 6 in proper order, the through hole, first through-hole 201, the end threaded connection nut 8 that wears out of screw rod, realize insulating connection and fixed. After bolt 5 is not hard up because of long-term the use, in time produce the skew, because of insulating tube 6's isolated, bolt 5 can't contact with the inner wall of second through-hole 301, first through-hole 201 simultaneously for the insulation between folder 4 and box is more stable.
In this embodiment, the nut accessible elastic rubber gasket of bolt 5 compresses tightly second support 3 originally, and 6 one end of insulating tube sets up the insulation board, and the nut of bolt 5 compresses tightly second support 3 through the insulation board. Meanwhile, the insulation tube 6 is limited and fixed through the insulation plate and the bolt 5, and insulation is more stable.
In this embodiment, the specification of first through-hole 201 is less than the specification of second through-hole 301, and first through-hole 201 specification can with bolt 5's screw rod phase-match, carry on spacingly to the screw rod, avoid bolt 5 to produce after using for a long time and rock, also can not consequently produce the circuit and switch on because of insulation support's isolated.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, in which the insulating tube 6 and the insulating plate are integrated.
In this embodiment, insulating tube 6 and insulation board reduce spare part for integrated structure, make things convenient for insulation system's installation, and insulating tube 6 does not have the joint gap with the insulation board simultaneously for it is more stable to insulate.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the integrated insulating tube 6 and the insulating plate are made of nylon.
In the embodiment, the nylon part is adopted, so that the manufacturing cost is low.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the grounding insulation structure of the transformer core clip has two sets of correspondingly disposed first through holes 201, second through holes 301, through holes, insulation tubes 6, bolts 5, and nuts 8.
In this embodiment, the first through hole 201, the second through hole 301, the through hole, the insulating tube 6, the bolt 5, and the nut 8 are correspondingly provided in two numbers, so that the connection is more stable.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the lengths of the first through hole 201 and the second through hole 301 are greater than the widths, the length direction of the first through hole 201 is perpendicular to the length direction of the first bracket 2, and the length direction of the second through hole 301 is parallel to the length direction of the second bracket 3.
In this embodiment, because in the actual production process, if the first through hole 201 and the second through hole 301 are circular holes, the first through hole 201 and the second through hole 301 are likely to be difficult to correspond due to the processing error, which affects the penetration and fixation of the bolt 5. The first through hole 201 and the second through hole 301 are arranged to be long-strip groove-shaped, and the length directions of the first through hole 201 and the second through hole 301 are perpendicular. If an error is generated during machining, after the bolt 5 penetrates through the insulating sleeve in the second through hole 301, the bolt can slightly move along the length direction of the second through hole 301 and can penetrate into the first through hole 201, waste parts caused by machining errors are reduced, and cost is saved.
In this embodiment, the width of the first through hole 201 may be matched with the screw, and the width of the second through hole 301 may be matched with the insulating sleeve, thereby preventing the bolt 5 from loosening and deviating due to long-term use.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the first support 2 is provided with a first support plate, a plurality of first support pillars are arranged on the first support plate at intervals, and the length direction of the first through hole 201 is perpendicular to the length direction of the first support plate.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the second bracket 3 is provided with a second supporting plate, a plurality of second supporting pillars are arranged on the second supporting plate at intervals, and the length direction of the second through hole 301 is parallel to the length direction of the second supporting plate.
In this embodiment, there are three first support columns on the first support 2, three second support columns on the second support 3, and the first support 2 and the second support 3 are both in a chevron shape, and the first support 2 and the second support 3 are connected to the clip 4 and the end cap through the first support column and the second support column, respectively. Set up first through-hole 201 between per two first support columns, set up second through-hole 301 between per two second support columns to reserve the operation position that makes things convenient for nut 8 to screw up, simple structure, easy to assemble.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 5 and fig. 6, a first positioning groove 202 is disposed on the first supporting plate, a second positioning block 302 is disposed on the second supporting plate, a first positioning block 701 and a second positioning groove 702 are correspondingly disposed on the insulating base plate 7, the first positioning block 701 is inserted into the first positioning groove 202, and the second positioning block 302 is inserted into the second positioning groove 702.
In this embodiment, when the insulating pad 7 is not aligned with and covers the first support plate or the second support plate, a passage may be formed between the first support plate and the second support plate due to an accidental jamming of a conductive component or other conductive elements. Set up first constant head tank 202, first constant head tank 701, second constant head tank 702, second locating piece 302, make things convenient for insulating backing plate 7's installation and location, guarantee that insulating backing plate 7 aligns with first backup pad, second backup pad.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5 to 6, the outer wall of the insulating pad plate 7 is surrounded by the insulating surrounding plate 9, the upper end and the lower end of the insulating surrounding plate 9 all protrude out of the insulating pad plate 7, the first supporting plate and the second supporting plate are respectively inserted into the insulating surrounding plate 9 from the upper end and the lower end, and the insulating surrounding plate 9 wraps the outer wall of the first supporting plate and the second supporting plate.
In this embodiment, the insulating enclosing plate 9 is arranged to wrap the outer walls of the first supporting plate and the second supporting plate, so that other conductive elements can be prevented from being accidentally jammed to form a passage.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 5 to 6, the insulating pad 7 and the insulating surrounding plate 9 are integrated into a whole and have elasticity.
In this embodiment, insulating backing plate 7 and insulating bounding wall 9 structure as an organic whole, and have elasticity, can make the outer wall parcel of the first backup pad of the more fastening parcel of insulating bounding wall 9 and second backup pad, also can not appear simultaneously because production error causes the condition not last of installation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Transformer core folder ground connection insulation system, its characterized in that includes:
the first bracket is provided with a first through hole;
the second bracket is provided with a second through hole, and the second bracket and the first bracket are respectively used for being connected with the box cover and the clamping piece;
the insulating base plate is arranged between the first support and the second support, and a through hole is formed in the insulating base plate;
an insulating plate is arranged at one end of the insulating tube, an inner hole of the insulating tube penetrates through the insulating plate, the insulating plate is attached to the second support, and the insulating tube is arranged in a second through hole of the second support; and
the screw rod of the bolt sequentially penetrates through the pipe insulation pipe, the through hole and the first through hole, and the penetrating end of the screw rod is in threaded connection with the nut.
2. A transformer core clip grounding insulator structure as claimed in claim 1, wherein said insulator tube and insulator plate are of a unitary construction.
3. The transformer core clip grounding insulation structure of claim 2, wherein the integrated insulation tube and insulation plate are nylon.
4. The transformer core clip grounding insulator of claim 1, wherein the transformer core clip grounding insulator has two sets of the first through hole, the second through hole, the insulator tube, the bolt and the nut disposed correspondingly.
5. A transformer core clip grounding isolation structure as claimed in claim 1, wherein the first through hole and the second through hole have a length greater than a width, the length direction of the first through hole is perpendicular to the length direction of the first bracket, and the second through hole is parallel to the length direction of the second bracket.
6. A transformer core clip grounding insulation structure as claimed in claim 5, wherein the first support frame is provided with a first support plate, the first support plate is provided with a plurality of first support columns at intervals, and the length direction of the first through holes is perpendicular to the length direction of the first support plate.
7. A transformer core clip grounding insulation structure as claimed in claim 6, wherein the second support is provided with a second support plate, a plurality of second support posts are arranged on the second support plate at intervals, and the length direction of the second through holes is parallel to the length direction of the second support plate.
8. A transformer core clip grounding insulation structure as claimed in claim 7, wherein the first support plate is provided with a first positioning groove, the second support plate is provided with a second positioning block, the insulation backing plate is correspondingly provided with a first positioning block and a second positioning groove, the first positioning block is inserted into the first positioning groove, and the second positioning block is inserted into the second positioning groove.
9. A transformer core clamp grounding insulation structure as claimed in claim 7, wherein the outer wall of the insulation board is surrounded by insulation boards, the upper and lower ends of the insulation board protrude from the insulation board, the first and second support plates are inserted into the insulation board from the upper and lower ends, respectively, and the insulation boards wrap the outer walls of the first and second support plates.
10. A transformer core clip grounding insulator as claimed in claim 9, wherein said insulating spacer is integral with the insulating shroud and is resilient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827371.0U CN213459384U (en) | 2020-11-30 | 2020-11-30 | Grounding insulation structure of transformer core clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827371.0U CN213459384U (en) | 2020-11-30 | 2020-11-30 | Grounding insulation structure of transformer core clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459384U true CN213459384U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827371.0U Active CN213459384U (en) | 2020-11-30 | 2020-11-30 | Grounding insulation structure of transformer core clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459384U (en) |
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2020
- 2020-11-30 CN CN202022827371.0U patent/CN213459384U/en active Active
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