CN218038748U - Sealed transformer - Google Patents

Abstract

The utility model discloses a sealed transformer, the on-line screen storage device comprises a base, demountable installation has transformer shell on the base, there is the iron core through bearing mounting on the base, the iron core is located transformer shell's inside, around being equipped with the coil on the iron core, the bolt has the apron on the transformer shell, the inner wall connection of apron has first sealing washer, first seal groove has been seted up to transformer shell's outer wall upper end, the utility model discloses simplify transformer shell's mounting structure, only need less bolt can accomplish the installation location of shell, improved transformer shell's dismouting speed, and then improved the maintenance efficiency to the transformer to set up multichannel seal structure on transformer shell, strengthened the leakproofness of shell, reduced rainwater and dust and get into its inside risk from the installation clearance of shell, and then be favorable to the steady operation of transformer, and improved the life of transformer.

Description

Sealed transformer

Technical Field

The utility model relates to a transformer technical field specifically is sealed transformer.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and the main components of the transformer are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like; in order to protect the main components such as the coil, the iron core and the like in the transformer from being corroded by rainwater and attaching dust, the transformer is arranged in the shell of the transformer, and the main components such as the coil, the iron core and the like are protected.

The current transformer housing mounting structure is complicated, needs to use more bolts to fix a position it, has reduced dismouting speed, and then influences the maintenance efficiency to the transformer, and current transformer housing's seal structure is few, and the leakproofness is not strong, can have rainwater and dust to get into inside from the installation clearance of shell, is unfavorable for transformer's steady operation, can reduce the life of transformer even, therefore we need propose sealed transformer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed transformer, the mounting structure to transformer housing is simplified, only need less bolt can accomplish the installation location of shell, transformer housing's dismouting speed has been improved, and then the maintenance efficiency to the transformer has been improved, and set up multichannel seal structure on transformer housing, the leakproofness of shell has been strengthened, reduce rainwater and dust and get into its inside risk from the installation clearance of shell, and then be favorable to the steady operation of transformer, and the life of transformer has been improved, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: sealed transformer, the on-line screen storage device comprises a base, demountable installation has transformer housing on the base, there is the iron core through the support mounting on the base, the iron core is located transformer housing's inside, around being equipped with the coil on the iron core, the last bolt joint of transformer housing has the apron, the inner wall connection of apron has first sealing washer, first seal groove has been seted up to transformer housing's outer wall upper end, first sealing washer joint in the inside of first seal groove, set up the recess of returning the shape on the base, transformer housing's bottom is connected with the turn-ups, the turn-ups passes through bolt fixed mounting in the inside of recess, fixedly connected with baffle on the base, the outer wall of baffle flushes the setting with the inner wall of recess, the second seal groove has been seted up to the outer wall of baffle, transformer housing's inner wall lower extreme is connected with the second sealing washer, second sealing washer joint is in the inside of second seal groove.

Preferably, the lateral part of base has seted up the mounting groove, the inner wall of mounting groove sets up two sets of second through-holes with the recess intercommunication, the internally mounted of mounting groove and second through-hole has the mounting to the turn-ups location.

Preferably, the mounting includes the fixed plate, one side of fixed plate is connected with two sets of sleeves, the fixed plate joint is in the inside of mounting groove, the sleeve is located the inside of second through-hole.

Preferably, a counter bore is formed in the other side of the fixing plate and is communicated with the sleeve.

Preferably, a first through hole is formed in the flanging, and the end part of the sleeve penetrates through the second through hole and is inserted into the first through hole.

Preferably, the inner wall of the groove is provided with a threaded blind hole, and the end of the bolt passes through the counter bore, the sleeve and the first through hole and is installed in the threaded blind hole in a threaded manner.

Preferably, the side of the transformer housing is provided with a heat radiation fin.

Compared with the prior art, the beneficial effects of the utility model are that:

through the design of the first sealing ring, the second sealing ring, the baffle, the fixing piece, the flanging and the groove, when the transformer is installed, the second sealing ring on the inner wall of the transformer shell is extruded by the baffle and is finally clamped in the second sealing groove on the baffle, so that the sealing performance of the transformer is improved, the first sealing ring on the inner wall of the cover plate is clamped in the first sealing groove, and the sealing performance of the transformer is further improved;

a fixing plate in the fixing piece is installed in the installation groove, a sleeve in the fixing piece penetrates through the second through hole to be inserted into the first through hole, the turned edge is preliminarily positioned, and the end part of a bolt penetrates through the countersunk hole, the sleeve and the first through hole and is installed inside the threaded blind hole in a threaded mode, so that the installation of the transformer shell is completed;

the utility model discloses mounting structure to transformer housing simplifies, only needs less bolt can accomplish the installation location of shell, has improved transformer housing's dismouting speed, and then has improved the maintenance efficiency to the transformer to set up multichannel seal structure on transformer housing, strengthened the leakproofness of shell, reduce rainwater and dust and get into its inside risk from the installation clearance of shell, and then be favorable to the steady operation of transformer, and improved the life of transformer.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of the part A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the fixing member and the bolt of the present invention;

fig. 4 is a schematic structural view of the transformer housing, the heat dissipating fins, the first sealing grooves, the flanges and the through holes of the present invention;

fig. 5 is a schematic structural diagram of the baffle, the groove, the threaded blind hole and the second sealing groove of the present invention.

In the figure: 1. a base; 2. a transformer housing; 3. a heat dissipating fin; 4. a cover plate; 5. a first seal groove; 6. a first seal ring; 7. an iron core; 8. a coil; 9. a baffle plate; 10. a groove; 11. flanging; 12. a first through hole; 13. mounting grooves; 131. a second through hole; 14. a threaded blind hole; 15. a fixing member; 151. a fixing plate; 152. a sleeve; 153. countersinking; 16. a bolt; 17. a second seal groove; 18. and a second seal ring.

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 efforts all belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: sealed transformer, including base 1, demountable installation has transformer housing 2 on base 1, there is iron core 7 through the support mounting on base 1, iron core 7 is located transformer housing 2's inside, around being equipped with coil 8 on iron core 7, transformer housing 2 goes up the bolt and has apron 4, the inner wall of apron 4 is connected with first sealing washer 6, first seal groove 5 has been seted up to transformer housing 2's outer wall upper end, first sealing washer 6 joint is in the inside of first seal groove 5, increase the leakproofness of transformer, set up the recess 10 of returning the shape on the base 1, transformer housing 2's bottom is connected with turn-ups 11, turn-ups 11 passes through 16 fixed mounting in the inside of recess 10 of bolt, be convenient for fixed transformer housing 2, fixedly connected with baffle 9 on the base 1, baffle 9 plays the effect that blocks outside steam and dust entering, baffle 9 outer wall upper end is the slope setting, be convenient for install transformer housing 2, baffle 9's outer wall and the inner wall of recess 10 flush the setting, second seal groove 17 has been seted up to baffle 9's outer wall, transformer housing 2's inner wall lower extreme is connected with second sealing washer 18, second sealing washer 18 joint is in the inside of second sealing washer 17, further increase transformer housing's leakproofness.

Square mounting groove 13 has been seted up to base 1's lateral part, and two sets of circular shape second through-hole 131 that communicate with recess 10 are seted up to the inner wall of mounting groove 13, and the internally mounted of mounting groove 13 and second through-hole 131 has the mounting 15 to turn-ups 11 location, plays the effect of preliminary location to turn-ups 11.

The fixing member 15 includes a fixing plate 151 of a rectangular parallelepiped, the thickness of the fixing plate 151 is equal to the depth of the mounting groove 13, one side of the fixing plate 151 is connected with two sets of sleeves 152, the fixing plate 151 is connected to the inside of the mounting groove 13, and the sleeves 152 are located inside the second through holes 131.

The other side of the fixing plate 151 is provided with a counter bore 153, the head of the bolt 16 is located inside the counter bore 153, and the counter bore 153 is communicated with the sleeve 152.

The flange 11 is provided with a first through hole 12, the first through hole 12 and the second through hole 131 are aligned, and the end of the sleeve 152 penetrates through the second through hole 131 and is inserted into the first through hole 12.

The inner wall of the groove 10 is provided with a blind threaded hole 14, and the end of the bolt 16 passes through the counter bore 153, the sleeve 152 and the first through hole 12 and is mounted inside the blind threaded hole 14 in a threaded manner.

The lateral part of the transformer shell is provided with the radiating fins 3, so that the transformer can radiate heat during operation conveniently.

When a transformer needs to be installed, the iron core 7 is installed on the base 1 through the support, then the transformer housing 2 is installed on the base 1, and the flanging 11 at the bottom of the transformer housing 2 is placed inside the groove 10, in the process, the second sealing ring 18 on the inner wall of the transformer housing 2 is extruded by the baffle 9 and is finally clamped inside the second sealing groove 17 on the baffle 9, the sealing performance of the transformer is improved, then the fixing plate 151 in the fixing piece 15 is installed in the installation groove 13, the sleeve 152 in the fixing piece 15 penetrates through the second through hole 131 to be inserted inside the first through hole 12, the flanging 11 is preliminarily positioned, then the end portion of the bolt 16 penetrates through the countersunk hole 153, the sleeve 152 and the first through hole 12 to be installed inside the threaded blind hole 14 in a threaded manner, the installation of the transformer housing 2 is completed, finally, the cover plate 4 is covered on the transformer housing 2, and the first sealing ring 6 on the inner wall of the cover plate 4 is clamped inside the first sealing groove 5, the sealing performance of the transformer is further improved, and the cover plate 4 and the transformer housing 2 are fixed by screws.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)

1. Sealed transformer, including base (1), its characterized in that: demountable installation has transformer housing (2) on base (1), there is iron core (7) through the support mounting on base (1), iron core (7) are located the inside of transformer housing (2), around being equipped with coil (8) on iron core (7), bolted connection has apron (4) on transformer housing (2), the inner wall connection of apron (4) has first sealing washer (6), first seal groove (5) have been seted up to the outer wall upper end of transformer housing (2), first sealing washer (6) joint is in the inside of first seal groove (5), set up back recess (10) of shape on base (1), the bottom of transformer housing (2) is connected with turn-ups (11), turn-ups (11) are through bolt (16) fixed mounting in the inside of recess (10), fixedly connected with baffle (9) on base (1), the outer wall of baffle (9) and the inner wall of recess (10) flush the setting, second seal groove (17) have been seted up to the outer wall of baffle (9), the inner wall lower extreme of transformer housing (2) is connected with second sealing washer (18), second sealing washer (18) joint in the inside seal groove (17).

2. The sealed transformer of claim 1, wherein: mounting groove (13) have been seted up to the lateral part of base (1), two sets of second through-hole (131) with recess (10) intercommunication are seted up to the inner wall of mounting groove (13), the internally mounted of mounting groove (13) and second through-hole (131) has mounting (15) to turn-ups (11) location.

3. The sealed transformer of claim 2, wherein: fixing piece (15) are including fixed plate (151), one side of fixed plate (151) is connected with two sets of sleeves (152), fixed plate (151) joint is in the inside of mounting groove (13), sleeve (152) are located the inside of second through-hole (131).

4. The sealed transformer of claim 3, wherein: the other side of the fixing plate (151) is provided with a counter bore (153), and the counter bore (153) is communicated with the sleeve (152).

5. The sealed transformer of claim 4, wherein: a first through hole (12) is formed in the flanging (11), and the end of the sleeve (152) penetrates through the second through hole (131) and is inserted into the first through hole (12).

6. The sealed transformer of claim 5, wherein: the inner wall of the groove (10) is provided with a threaded blind hole (14), and the end part of the bolt (16) penetrates through the counter bore (153), the sleeve (152) and the first through hole (12) and is installed inside the threaded blind hole (14) in a threaded mode.

7. The sealed transformer of claim 1, wherein: and the side part of the transformer shell (2) is provided with a radiating fin (3).

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