CN210073551U - Access door of box-type transformer shell - Google Patents

Abstract

The utility model relates to a box transformer overhauls technical field, and discloses a box transformer housing's access door, including the transformer box main part, the front of transformer box main part articulates there is the water proof door, first manger plate groove has been seted up at the back of water proof door, the back fixed mounting of water proof door has first manger plate piece. The utility model discloses a, the front through the water proof door is rotated and is connected with the dwang, the rear end of dwang runs through the water proof door and extends to the inside of box entry, and the cover is equipped with threaded connection's a screw section of thick bamboo, and the rear end fixed mounting of a screw section of thick bamboo has sealed piece, make a screw section of thick bamboo backward displacement through rotating the dwang, drive sealed piece displacement, thereby extend to the inboard of sealing ring, thereby make the remaining sealing ring of sealed piece combine closely, make the device reach sealed effectual advantage, it is effectual to make the device reach the leak protection water in the ponding environment, thereby the condition that the device takes place the leak source in ponding has been avoided, the security of device has been increased.

Description

Access door of box-type transformer shell

Technical Field

The utility model relates to a box transformer overhauls technical field, specifically is an access door of box transformer housing.

Background

The box type transformer (generally referred to as box transformer for short) designs the traditional transformer in a box type shell in a centralized way, has small volume, light weight, low noise, low loss and high reliability, is widely applied to residential districts, commercial centers, light stations, airports, factories and mines, enterprises, hospitals, schools and other places, and the transformer shell is mainly used for safety protection of the operation transformer field, can effectively protect personal safety and plays a certain role in electromagnetic shielding, wherein an access door of the shell is an important part in the transformer shell.

The box transformer casing access door in the existing market mainly develops to the functionality, and is relatively better to the safeguard function of transformer, avoids arousing the operation accident because foreign matters such as toy get into the transformer, but in flood environment such as flood, box transformer casing probably produces the condition such as leaking by crack department, and then leads to the electric leakage, causes the harm to resident's life safety, for this we propose the access door of box transformer casing to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an access door of box transformer housing possesses the effectual advantage of waiting of leak protection water in the ponding environment, and it is in flood environment such as flood to have solved, and box transformer housing probably leaks by crack department production, and then leads to the electric leakage, causes the problem of harm to resident's life safety.

(II) technical scheme

For the above-mentioned effectual purpose of leak protection water in the ponding environment of realization, the utility model provides a following technical scheme: an access door of a box-type transformer shell comprises a transformer box main body, wherein a waterproof door is hinged to the front side of the transformer box main body, a first water retaining groove is formed in the back side of the waterproof door, a first water retaining block is fixedly installed on the back side of the waterproof door, the first water retaining groove is located on the outer side of the first water retaining block, a second water retaining block is fixedly installed on the front side of the transformer box main body, a second water retaining groove is formed in the front side of the transformer box main body, the second water retaining groove is located on the inner side of the second water retaining block, the back side of the first water retaining block extends into the second water retaining groove, the front side of the second water retaining block extends into the first water retaining groove, waterproof strips fixedly connected are sleeved on the surfaces of the first water retaining block and the second water retaining block, the first water retaining block and the second water retaining block are respectively in contact with the second water retaining groove and the first water retaining groove, the box entry has been seted up in the front of vary voltage box main part, the inboard fixed mounting that the box entered the mouth has the sealing ring, the front of water-proof door is rotated and is connected with the dwang, the rear end of dwang runs through the water-proof door and extends to the inboard of box entry, the rear end cover of dwang is equipped with rather than threaded connection's a screw thread section of thick bamboo, the sealed piece of back fixedly connected with of a screw thread section of thick bamboo, the back of sealed piece extends to the inboard of sealing ring and contacts with the sealing ring.

Preferably, the top of the transformer box main body is fixedly provided with a waterproof box cover, and the side-looking cross section at the top of the waterproof box cover is arc-shaped.

Preferably, the left and right sides of transformer box main part all inlays and is equipped with the heat dissipation window, the equal fixed mounting in left and right sides of transformer box main part has waterproof heat dissipation membrane, two one side that the heat dissipation window is relative all extends to the inside of transformer box main part and respectively with two waterproof heat dissipation membrane fixed connection.

Preferably, a transformer is fixedly mounted inside the waterproof door, a warning signal lamp is fixedly mounted on the front side of the waterproof door, and the transformer is electrically connected with the warning signal lamp.

Preferably, the front-view section of the sealing block is circular, the front-view section of the outer side of the sealing ring is square, the front-view section of the inner side of the sealing ring is circular, and the outer side of the sealing block is attached to the inner side of the sealing ring.

Preferably, a shaft seal is fixedly installed at the joint of the rotating rod and the waterproof door, a limit ring is fixedly installed inside the sealing ring, and the front face of the limit ring is in contact with the sealing block.

Preferably, the threaded groove is formed in the rotating rod and located on the back face of the waterproof door, and the length of the threaded cylinder is smaller than the distance from the rear end of the rotating rod to the waterproof door.

(III) advantageous effects

Compared with the prior art, the utility model provides an access door of box transformer housing possesses following beneficial effect:

1. the access door of the box-type transformer shell has the advantages that the access door is hinged to the front side of the transformer box main body through the waterproof door, the protection effect is achieved on the transformer box main body, the first water retaining block arranged on the back side of the waterproof door extends into the inside of the second water retaining groove arranged on the transformer box main body, the second water retaining block fixedly arranged on the front side of the transformer box main body extends into the first water retaining groove arranged on the back side of the waterproof door, the first water retaining block and the second water retaining block are respectively in contact with the second water retaining groove and the first water retaining groove through fixedly connected waterproof strips, so that the device has a double-layer waterproof effect, a sealing ring is fixedly arranged in the box inlet arranged on the front side of the transformer box main body, the front side of the waterproof door is rotatably connected with a rotating rod, the rear end of the rotating rod penetrates through the waterproof door and extends into the inside of the box inlet, the threaded barrel is sleeved, make a screw thread section of thick bamboo backward displacement through rotating the dwang, drive the displacement of sealed piece to extend to the inboard of sealing ring, thereby make the remaining sealing ring of sealed piece combine closely, make the device reach sealed effectual advantage, make the device reach leak protection water effectual in the ponding environment, thereby avoided the device to take place the condition of leak source in ponding, increased the security of device.

2. This access door of box transformer casing through the waterproof case lid of top fixed mounting at the potential transformer case main part for the device shelters from the rainwater through the square water tank lid in heavy rain environment, thereby has increased the practicality of device, and the top of waterproof case lid is the arc form, makes the difficult ponding in top of square water tank lid, thereby has reduced the corruption of rainwater to the device, has increased the life of device.

3. This access door of box transformer casing has the heat dissipation window through the left and right sides fixed mounting at the potential transformer case main part for the device has the radiating effect, and through the waterproof heat dissipation membrane of the inside left and right sides fixed mounting of potential transformer case main part, makes inside the rainwater is difficult for getting into the device by the heat dissipation window, thereby when making the device have waterproof performance, has the radiating effect, thereby has increased the practicality of device.

4. This access door of box transformer casing, the device is under the condition of electric leakage, and when electric power conduction to the shutter, maintenance personal hand touch shutter is dangerous relatively, through fixed mounting has transformer and warning signal lamp on the shutter, and the transformer is connected with the warning signal lamp electricity, make the transformer carry out the vary voltage to voltage, then the circular telegram to the warning signal lamp, make the warning signal lamp dodge the red light, thereby play the warning effect to maintenance personal, avoided maintenance personal under the unclear device leak source condition, direct touch shutter, thereby the security of device has been increased.

5. This access door of box transformer casing is circular form through setting up sealed piece, and the inside of sealed piece accessible rotation entering sealing ring to make the device reach the effect that the operation is convenient relatively, and sealed piece is better relatively with the sealed effect of sealing ring, increased the practicality of device.

6. This access door of box transformer casing installs the bearing seal through the junction at dwang and water proof door for the difficult infiltration of junction of water proof door and dwang has increased the waterproof ability of device, and the inside fixed mounting of sealing ring is by the spacing ring, and when sealed piece was driven sealed piece by the rotation of dwang, played limiting displacement to sealed piece, makes dwang and a screw section of thick bamboo be difficult for taking off the cunning, thereby has increased the practicality of device.

7. This access door of box transformer casing is located the back of water proof door through the thread groove that sets up on the dwang, has avoided the thread groove to exert an influence to the bearing seal to the problem of leaking is less than the rear end of dwang to the interval of water proof door through the length that sets up a screw thread section of thick bamboo, makes the dwang rotate the in-process, has avoided a screw thread section of thick bamboo to contact water proof door and bearing seal, thereby produces the problem of harm, has increased the practicality of device.

Drawings

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

FIG. 2 is a schematic top sectional view of the connection structure of the transformer box main body and the waterproof door of the present invention;

FIG. 3 is an enlarged view of a portion A of the structure of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

FIG. 5 is a schematic front sectional view of the sealing ring and the sealing block according to the present invention;

fig. 6 is the utility model discloses the waterproof door is connected with warning signal lamp and is illustrated overlooking cross-sectional view.

The reference numbers in the figures illustrate:

1. a transformer tank main body; 2. a waterproof door; 3. a first water retaining groove; 4. a first water retaining block; 5. a second water retaining block; 6. a second water retaining groove; 7. a waterproof strip; 8. an inlet of the box body; 9. a seal ring; 10. rotating the rod; 11. a threaded barrel; 12. a sealing block; 13. a heat dissipation window; 14. a waterproof heat-dissipating film; 15. a transformer; 16. a warning signal lamp; 17. shaft sealing; 18. a limit 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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, an access door of a box-type transformer shell comprises a transformer box main body 1, a waterproof door 2 is hinged on the front side of the transformer box main body 1, a first water retaining groove 3 is formed in the back side of the waterproof door 2, a first water retaining block 4 is fixedly installed on the back side of the waterproof door 2, the first water retaining groove 3 is located on the outer side of the first water retaining block 4, a second water retaining block 5 is fixedly installed on the front side of the transformer box main body 1, a second water retaining groove 6 is formed in the front side of the transformer box main body 1, the second water retaining groove 6 is located on the inner side of the second water retaining block 5, the back side of the first water retaining block 4 extends into the second water retaining groove 6, the front side of the second water retaining block 5 extends into the first water retaining groove 3, waterproof strips 7 fixedly connected are sleeved on the surfaces of the first water retaining block 4 and the second water retaining block 5, the first water retaining block 4 and the second water retaining block 5 are respectively contacted with the second water retaining, the front side of the transformer box main body 1 is provided with a box body inlet 8, the inner side of the box body inlet 8 is fixedly provided with a sealing ring 9, the front side of the waterproof door 2 is rotatably connected with a rotating rod 10, the rear end of the rotating rod 10 penetrates through the waterproof door 2 and extends to the inner side of the box body inlet 8, the rear end of the rotating rod 10 is sleeved with a threaded cylinder 11 in threaded connection with the rotating rod, the back side of the threaded cylinder 11 is fixedly connected with a sealing block 12, the back side of the sealing block 12 extends to the inner side of the sealing ring 9 and is contacted with the sealing ring 9, the protection effect is achieved on the transformer box main body 1 through the waterproof door 2 hinged to the front side of the transformer box main body 1, a first water retaining block 4 arranged on the back side of the waterproof door 2 extends into a second water retaining groove 6 arranged on the transformer box main body 1, and a second water retaining block 5 fixedly arranged on the front side, and the first water retaining block 4 and the second water retaining block 5 are respectively contacted with the second water retaining groove 6 and the first water retaining groove 3 through a waterproof strip 7 fixedly connected, so that the device has double-layer waterproof effect, a sealing ring 9 is fixedly arranged in a box body inlet 8 arranged on the front surface of the transformer box main body 1, the front surface of the waterproof door 2 is rotatably connected with a rotating rod 10, the rear end of the rotating rod 10 penetrates through the waterproof door 2 and extends to the inside of the box body inlet 8, a threaded cylinder 11 in threaded connection is sleeved, a sealing block 12 is fixedly arranged at the rear end of the threaded cylinder 11, the threaded cylinder 11 is rearwardly displaced by rotating the rotating rod 10 to drive the sealing block 12 to be displaced, so as to extend to the inner side of the sealing ring 9, so that the sealing ring 9 and the sealing block 12 are tightly combined, the device achieves the advantage of good sealing effect, the device achieves the good water leakage prevention effect in a water accumulation environment, and the situation that a leakage point of, the safety of the device is increased.

Further, the top fixed mounting of transformer case main part 1 has waterproof case lid, and the cross-section that looks sideways at waterproof case lid top is the arc form, through the waterproof case lid of top fixed mounting at transformer case main part 1 for the device is in heavy rain environment, shelters from the rainwater through the square water tank lid, thereby has increased the practicality of device, and the top of waterproof case lid is the arc form, makes the difficult ponding in top of square water tank lid, thereby has reduced the corruption of rainwater to the device, has increased the life of device.

Further, the left and right sides of transformer tank main part 1 all inlays and is equipped with heat dissipation window 13, the equal fixed mounting in the left and right sides of transformer tank main part 1 has waterproof heat dissipation membrane 14, two one sides that heat dissipation window 13 is relative all extend to transformer tank main part 1 inside and respectively with two waterproof heat dissipation membrane 14 fixed connection, there is heat dissipation window 13 through the left and right sides fixed mounting at transformer tank main part 1, make the device have the radiating effect, and through transformer tank main part 1 inside left and right sides fixed mounting's waterproof heat dissipation membrane 14, make the rainwater difficult by inside heat dissipation window 13 entering device, thereby make the device have waterproof performance simultaneously, the radiating effect has, thereby the practicality of device has been increased.

Further, a transformer 15 is fixedly arranged inside the waterproof door 2, a warning signal lamp 16 is fixedly arranged on the front surface of the waterproof door 2, the transformer 15 is electrically connected with the warning signal lamp 16, and under the condition of electric leakage, and when the power is transmitted to the waterproof door 2, the hand of the maintenance personnel is dangerous to touch the waterproof door 2, the transformer 15 and the warning signal lamp 16 are fixedly arranged on the waterproof door 2, and the transformer 15 is electrically connected with the warning signal lamp 16, so that the transformer 15 transforms voltage, then the warning signal lamp 16 is electrified, so that the warning signal lamp 16 flashes red light, thereby playing a warning role for maintenance personnel, avoiding the situation that the maintenance personnel directly touch the waterproof door 2 under the condition that the device leakage point is not clear, thereby increasing the safety of the device, the model of the transformer 15 is EE16, and the model of the warning signal lamp 16 is TB-72D.

Further, the front-view cross section of the sealing block 12 is circular, the front-view cross section of the outer side of the sealing ring 9 is square, the front-view cross section of the inner side of the sealing ring 9 is circular, the outer side of the sealing block 12 is attached to the inner side of the sealing ring 9, the sealing block 12 is circular through arrangement, the sealing block 12 can enter the sealing ring 9 through rotation, and therefore the device achieves the effect that the operation is convenient relatively, the sealing effect of the sealing block 12 and the sealing ring 9 is good relatively, and the practicability of the device is improved.

Further, dwang 10 and the junction fixed mounting of water-proof door 2 have bearing seal 17, the inside fixed mounting of sealing ring 9 has spacing ring 18, the front of spacing ring 18 contacts with seal block 12, install bearing seal 17 through the junction at dwang 10 and water-proof door 2, make water-proof door 2 and the junction of dwang 10 be difficult for the infiltration, the waterproof ability of device has been increased, and the inside fixed mounting of sealing ring 9 is by spacing ring 18, when seal block 12 drives seal block 12 by the rotation of dwang 10, play limiting displacement to seal block 12, make dwang 10 and the difficult deslide of threaded cylinder 11, thereby the practicality of device has been increased.

Further, the thread groove has been seted up on dwang 10, the thread groove is located the back of buckler 2, the length of a thread section of thick bamboo 11 is less than the rear end of dwang 10 to the interval of buckler 2, the thread groove that sets up on dwang 10 is located the back of buckler 2, the thread groove has been avoided producing the influence to bearing seal 17, thereby the problem of leaking, length through setting up a thread section of thick bamboo 11 is less than the rear end of dwang 10 to the interval of buckler 2, make dwang 10 at the rotation in-process, a thread section of thick bamboo 11 contact buckler 2 and bearing seal 17 have been avoided, thereby produce the problem of harm, the practicality of device has been increased.

The working principle is as follows: the waterproof door 2 is hinged on the front side of the transformer box main body 1, the protection effect is achieved on the transformer box main body 1, the first water retaining block 4 arranged on the back side of the waterproof door 2 extends into the inside of the second water retaining groove 6 arranged on the transformer box main body 1, the second water retaining block 5 fixedly arranged on the front side of the transformer box main body 1 extends into the first water retaining groove 3 arranged on the back side of the waterproof door 2, the first water retaining block 4 and the second water retaining block 5 are respectively contacted with the second water retaining groove 6 and the first water retaining groove 3 through the fixedly connected waterproof strip 7, so that the device has a double-layer waterproof effect, the sealing ring 9 is fixedly arranged in the box body inlet 8 arranged on the front side of the transformer box main body 1, the front side of the waterproof door 2 is rotatably connected with the rotating rod 10, the rear end of the rotating rod 10 penetrates through the waterproof door 2 and extends to the inside of the box body inlet 8, and is sleeved, and the rear end of the threaded cylinder 11 is fixedly provided with the sealing block 12, the threaded cylinder 11 is displaced backwards by rotating the rotating rod 10, the sealing block 12 is driven to displace, and then the sealing block 12 extends to the inner side of the sealing ring 9, so that the sealing block 12 and the sealing ring 9 are tightly combined, the device has the advantage of good sealing effect, the device has good water leakage prevention effect in a water accumulation environment, the situation that the device leaks in water is avoided, the safety of the device is improved, the device is in the situation of electricity leakage, when electric power is conducted to the waterproof door 2, a maintenance worker touches the waterproof door 2 with a hand and is dangerous, the transformer 15 and the warning signal lamp 16 are fixedly arranged on the waterproof door 2, the transformer 15 is electrically connected with the warning signal lamp 16, the transformer 15 transforms the voltage, then the warning signal lamp 16 is electrified, and the warning signal lamp 16 flashes the red light, thereby play the warning effect to maintenance personal, avoided maintenance personal under the unclear device leak source condition, direct touch water-proof door 2 to increased the security of device, thereby made the device reach the effectual purpose of leak protection water in ponding environment, solved and be in flood environment such as flood, the device probably leaks by crack department production, and then leads to the electric leakage, causes the problem of harm to resident's life safety.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. The utility model provides an access door of box transformer casing, includes transformer box main part (1), its characterized in that: the front of the transformer box main body (1) is hinged with a waterproof door (2), the back of the waterproof door (2) is provided with a first water retaining groove (3), the back of the waterproof door (2) is fixedly provided with a first water retaining block (4), the first water retaining groove (3) is positioned on the outer side of the first water retaining block (4), the front of the transformer box main body (1) is fixedly provided with a second water retaining block (5), the front of the transformer box main body (1) is provided with a second water retaining groove (6), the second water retaining groove (6) is positioned on the inner side of the second water retaining block (5), the back of the first water retaining block (4) extends to the inside of the second water retaining groove (6), the front of the second water retaining block (5) extends to the inside of the first water retaining groove (3), and the surfaces of the first water retaining block (4) and the second water retaining block (5) are both sleeved with fixedly connected waterproof strips (7), first manger plate piece (4) and second manger plate piece (5) contact with second manger plate groove (6) and first manger plate groove (3) respectively through waterproof strip (7), box entry (8) have been seted up in the front of transformer box main part (1), the inboard fixed mounting of box entry (8) has sealing ring (9), the front rotation of water-proof door (2) is connected with dwang (10), the rear end of dwang (10) runs through water-proof door (2) and extends to the inboard of box entry (8), the rear end cover of dwang (10) is equipped with a screw thread section of thick bamboo (11) rather than threaded connection, the back fixedly connected with seal block (12) of a screw thread section of thick bamboo (11), the back of seal block (12) extends to the inboard of sealing ring (9) and contacts with sealing ring (9).

2. An access door of a box-type transformer housing according to claim 1, characterized in that: the top of transformer case main part (1) is fixed with waterproof case lid, the side view cross-section at waterproof case lid top is the arc form.

3. An access door of a box-type transformer housing according to claim 1, characterized in that: the left and right sides of transformer tank main part (1) all inlays and is equipped with heat dissipation window (13), the equal fixed mounting in both sides has waterproof heat dissipation membrane (14) about transformer tank main part (1), two one side that heat dissipation window (13) are relative all extends to the inside of transformer tank main part (1) and respectively with two waterproof heat dissipation membrane (14) fixed connection.

4. An access door of a box-type transformer housing according to claim 1, characterized in that: the inside fixed mounting of waterproof door (2) has transformer (15), the positive fixed mounting of waterproof door (2) has warning signal lamp (16), transformer (15) are connected with warning signal lamp (16) electricity.

5. An access door of a box-type transformer housing according to claim 1, characterized in that: the front view cross section of the sealing block (12) is circular, the front view cross section of the outer side of the sealing ring (9) is square, the front view cross section of the inner side of the sealing ring (9) is circular, and the outer side of the sealing block (12) is attached to the inner side of the sealing ring (9).

6. An access door of a box-type transformer housing according to claim 1, characterized in that: the joint of the rotating rod (10) and the waterproof door (2) is fixedly provided with a shaft seal (17), the inside of the sealing ring (9) is fixedly provided with a limiting ring (18), and the front surface of the limiting ring (18) is in contact with the sealing block (12).

7. An access door of a box-type transformer housing according to claim 1, characterized in that: the waterproof door is characterized in that a thread groove is formed in the rotating rod (10), the thread groove is located on the back face of the waterproof door (2), and the length of the thread cylinder (11) is smaller than the distance from the rear end of the rotating rod (10) to the waterproof door (2).

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