CN210349515U - Transformer with interface sealing device - Google Patents
Transformer with interface sealing device Download PDFInfo
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- CN210349515U CN210349515U CN201921923945.5U CN201921923945U CN210349515U CN 210349515 U CN210349515 U CN 210349515U CN 201921923945 U CN201921923945 U CN 201921923945U CN 210349515 U CN210349515 U CN 210349515U
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- compression
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Abstract
The utility model relates to a transformer technical field specifically is a transformer with interface sealing device, including transformer box, insulator interface and sealing device, pass in the installation slotted hole on the installation end edge depressor box of insulator interface lower extreme, be provided with sealing device in the installation slotted hole, sealing device includes seal cover, gland nut and sealing clamp ring group, and beneficial effect is: in the utility model, the nut end in the compression nut is wrenched by a wrench, so that the lower end of the compression end compresses the sealing sleeve downwards, wherein the mounting groove hole is an inverted cone groove hole, the sealing sleeve is an inverted cone sleeve body, and in the process of pressing down the sealing sleeve, the sealing sleeve is ensured to be in close contact with the outer wall of the mounting end and the inner wall of the mounting groove hole, and the sealing property is ensured; a sealing clamping ring group is arranged in a sealing clamping block groove of the inner wall of the mounting groove hole, and the inner walls of the first sealing clamping ring and the second sealing clamping ring are arranged close to the outer wall of the sealing sleeve under the action of the compression spring, so that the sealing effect is ensured.
Description
Technical Field
The utility model relates to a transformer technical field specifically is a transformer with interface sealing device.
Background
In an ac circuit transmission system, a transformer is used to step up or down a voltage and convert the voltage of any value into a voltage value with the same frequency as required by us to meet the requirements of transmission, distribution and use of electric energy.
Traditional transformer is connected with ground wire, live wire and zero line in proper order through setting up ground wire insulator interface, live wire insulator interface and zero line insulator interface at its box top, and the tradition only sets up sealed pad in the junction of transformer box and insulator interface, and its leakproofness effect is general, and under humid environment, make steam permeate along the interface and get into easily, cause transformer electrical component to damage.
Disclosure of Invention
An object of the utility model is to provide a transformer with interface sealing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the transformer with the interface sealing device comprises a transformer box body, an insulator interface and a sealing device, wherein a mounting groove hole is formed in the transformer box body, a mounting end at the lower end of the insulator interface penetrates through the mounting groove hole, the sealing device is arranged in the mounting groove hole and comprises a sealing sleeve, a compression nut and a sealing clamp ring group, the sealing sleeve is sleeved outside the lower end of the mounting end and inserted into the mounting groove hole, a connecting ring opening is formed in an upper end opening of the mounting groove hole in an integrated mode, the compression nut is connected into the connecting ring opening, an annular groove-shaped sealing clamp block groove is formed in the middle of the inner wall of the mounting groove hole, and the sealing clamp ring group is arranged in the sealing clamp block groove.
Preferably, the mounting slot hole is an inverted cone-shaped slot hole, the sealing sleeve is an inverted cone-shaped sleeve body, and the sealing sleeve is inserted into the mounting slot hole in a matching manner.
Preferably, the outer wall of the lower part of the sealing sleeve is provided with 3-4 deformation seams, and the deformation seams are formed along the direction of the central axis of the sealing sleeve.
Preferably, the compression nut is composed of a nut end and a compression end, the compression end is in threaded connection with the inner wall of the connecting ring opening, and the upper end of the compression end is an integrally-formed hexagonal-column-shaped nut end.
Preferably, the lower end of the pressing end presses the upper surface of the sealing sleeve, and an insulating sealing gasket is arranged between the lower end of the pressing end and the sealing sleeve.
Preferably, the sealing clamp ring group is composed of a first sealing clamp ring and a second sealing clamp ring which are symmetrically arranged, the first sealing clamp ring and the second sealing clamp ring are matched and clamped in a sealing clamp block groove, a plurality of compression spring groove holes are formed in the inner wall of the sealing clamp block groove, compression springs are arranged in the compression spring groove holes and fixedly connected with the outer walls of the first sealing clamp ring and the second sealing clamp ring, and the inner walls of the first sealing clamp ring and the second sealing clamp ring are tightly attached to the outer wall of the sealing sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the nut end in the compression nut is wrenched by a wrench, so that the lower end of the compression end compresses the sealing sleeve downwards, wherein the mounting groove hole is an inverted cone groove hole, the sealing sleeve is an inverted cone sleeve body, and in the process of pressing down the sealing sleeve, the sealing sleeve is ensured to be in close contact with the outer wall of the mounting end and the inner wall of the mounting groove hole, and the sealing property is ensured;
2. the utility model discloses seted up sealed clamp splice groove at the inner wall middle part of installation slotted hole, be provided with sealed clamp splice group in the sealed clamp splice groove, under compression spring's effect, make the outer wall setting that the seal cover was hugged closely to the inner wall of first sealed clamp splice and the sealed clamp splice of second, guarantee sealed effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
fig. 5 is a schematic structural diagram of the middle sealing sleeve of the present invention.
In the figure: the transformer box body 1, the insulator interface 2, the mounting end 201, the mounting groove hole 3, the sealing sleeve 4, the deformation seam 41, the connecting ring opening 5, the compression nut 6, the nut end 601, the compression end 602, the sealing clamp ring group 7, the first sealing clamp ring 701, the second sealing clamp ring 702 and the compression spring groove hole 8.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a transformer with an interface sealing device comprises a transformer box body 1, an insulator interface 2 and a sealing device, as shown in a combined figure 1 and a figure 2, a mounting groove hole 3 is arranged on the transformer box body 1, a mounting end 201 at the lower end of the insulator interface 2 passes through the mounting groove hole 3, the sealing device is arranged in the mounting groove hole 3, the sealing device mainly comprises a gland bush 4, a gland nut 6 and a sealing clamp ring group 7, the gland bush 4 is sleeved outside the lower end of the mounting end 201, the gland bush 4 is inserted in the mounting groove hole 3, a connecting ring opening 5 is integrally formed at the upper end opening of the mounting groove hole 3, the gland nut 6 is connected in the connecting ring opening 5, the gland nut 6 comprises a nut end 601 and a gland end 602, the gland end 602 is connected with the inner wall of the connecting ring opening 5 through a screw thread, the upper end of the gland end 602 is an integrally formed hexagonal column nut end 601, the nut end, the lower end of the compressing end 602 is made to compress the upper surface of the sealing sleeve 4, an insulating sealing gasket sheet is arranged between the lower end of the compressing end 602 and the sealing sleeve 4, and the sealing effect is improved, as shown in fig. 3, the installation groove hole 3 is an inverted cone-shaped groove hole, the sealing sleeve 4 is an inverted cone-shaped sleeve body, the sealing sleeve 4 is inserted into the installation groove hole 3 in a matching manner, in the process of pressing down the sealing sleeve 4 by the compressing nut 6 through rotating the compressing nut 6, the sealing sleeve 4 is ensured to be in close contact with the outer wall of the installation end 201 and the inner wall of the installation groove hole 3, and the sealing performance is ensured, as shown in fig. 5, 3-4 deformation seams 41 are formed on the outer wall of the lower portion of the sealing sleeve 4, the deformation seams 41 are formed in the direction of the central axis of the sealing.
Referring to fig. 3 and 4, an annular groove-shaped sealing clamp block groove is formed in the middle of the inner wall of the installation groove hole 3, a sealing clamp ring group 7 is arranged in the sealing clamp block groove, the sealing clamp ring group 7 is composed of a first sealing clamp ring 701 and a second sealing clamp ring 702 which are symmetrically arranged, the first sealing clamp ring 701 and the second sealing clamp ring 702 are clamped in the sealing clamp block groove in a matching mode, a plurality of compression spring groove holes 8 are formed in the inner wall of the sealing clamp block groove, compression springs are arranged inside the compression spring groove holes 8 and fixedly connected with the outer walls of the first sealing clamp ring 701 and the second sealing clamp ring 702, and under the action of the compression springs, the inner walls of the first sealing clamp ring 701 and the second sealing clamp ring 702 are arranged in a manner of being tightly attached to the outer wall of the sealing sleeve 4, so that the sealing effect is ensured.
The working principle is as follows: in the utility model, the nut end 601 in the compression nut 6 is wrenched by a wrench, so that the lower end of the compression end 602 tightly presses the sealing sleeve 4 downwards, wherein the mounting slot 3 is an inverted cone slot, the sealing sleeve 4 is an inverted cone sleeve body, and in the process of pressing the sealing sleeve 4, the sealing sleeve 4 is ensured to be in close contact with the outer wall of the mounting end 201 and the inner wall of the mounting slot 3, and the sealing performance is ensured; an annular groove-shaped sealing clamp block groove is formed in the middle of the inner wall of the mounting groove hole 3, a sealing clamp ring group 7 is arranged in the sealing clamp block groove, and the inner walls of the first sealing clamp ring 701 and the second sealing clamp ring 702 are arranged to be close to the outer wall of the sealing sleeve 4 under the action of the compression spring, so that the sealing effect is guaranteed.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transformer with interface sealing device, includes transformer box (1), insulator interface (2) and sealing device, its characterized in that: the transformer box body (1) is provided with an installation groove hole (3), an installation end (201) at the lower end of an insulator interface (2) penetrates through the installation groove hole (3), a sealing device is arranged in the installation groove hole (3) and comprises a sealing sleeve (4), a compression nut (6) and a sealing clamping ring group (7), the sealing sleeve (4) is sleeved outside the lower end of the installation end (201), the sealing sleeve (4) is inserted into the installation groove hole (3), an upper end opening of the installation groove hole (3) is integrally formed with a connecting ring opening (5), the compression nut (6) is connected into the connecting ring opening (5), an annular groove-shaped sealing clamping block groove is formed in the middle of the inner wall of the installation groove hole (3), and the sealing clamping ring group (7) is arranged in the sealing clamping block groove.
2. The transformer with interface sealing device of claim 1, wherein: the mounting slotted hole (3) is an inverted cone-shaped slotted hole, the sealing sleeve (4) is an inverted cone-shaped sleeve body, and the sealing sleeve (4) is inserted into the mounting slotted hole (3) in a matched mode.
3. The transformer with interface sealing device of claim 1, wherein: the outer wall of the lower portion of the sealing sleeve (4) is provided with 3-4 deformation seams (41), and the deformation seams (41) are formed along the direction of the central axis of the sealing sleeve (4).
4. The transformer with interface sealing device of claim 1, wherein: the compression nut (6) is composed of a nut end (601) and a compression end (602), the compression end (602) is connected with the inner wall of the connecting ring opening (5) through threads, and the upper end of the compression end (602) is the nut end (601) in a hexagonal column shape formed integrally.
5. The transformer with interface sealing device of claim 4, wherein: the lower end of the pressing end (602) presses the upper surface of the sealing sleeve (4), and an insulating sealing gasket sheet is arranged between the lower end of the pressing end (602) and the sealing sleeve (4).
6. The transformer with interface sealing device of claim 1, wherein: the sealing clamp ring group (7) is composed of a first sealing clamp ring (701) and a second sealing clamp ring (702) which are symmetrically arranged, the first sealing clamp ring (701) and the second sealing clamp ring (702) are matched and clamped in a sealing clamp block groove, a plurality of compression spring groove holes (8) are formed in the inner wall of the sealing clamp block groove, compression springs are arranged inside the compression spring groove holes (8) and fixedly connected with the outer walls of the first sealing clamp ring (701) and the second sealing clamp ring (702), and the inner walls of the first sealing clamp ring (701) and the second sealing clamp ring (702) are tightly attached to the outer wall of the sealing sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923945.5U CN210349515U (en) | 2019-11-09 | 2019-11-09 | Transformer with interface sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923945.5U CN210349515U (en) | 2019-11-09 | 2019-11-09 | Transformer with interface sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210349515U true CN210349515U (en) | 2020-04-17 |
Family
ID=70179323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921923945.5U Active CN210349515U (en) | 2019-11-09 | 2019-11-09 | Transformer with interface sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210349515U (en) |
-
2019
- 2019-11-09 CN CN201921923945.5U patent/CN210349515U/en active Active
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