Double-door interlocking box body structure and transformer

Abstract

The utility model relates to the technical field of transformers, in particular to a double-door interlocking box body structure and a transformer, the double-door interlocking box body structure comprises a box body, a first box door, a second box door and a door lock structure; a left cavity and a right cavity which are independent from each other are arranged in the box body; a pressing plate is arranged at the end, close to the second box door, of the first box door and detachably connected with the box body through a first connecting piece, and the end, close to the first box door, of the second box door covers the pressing plate and shields the first connecting piece. The door lock structure is arranged on the second box door and used for locking and opening the second box door. Interlocking between the first box door and the second box door is achieved, misoperation is avoided, the transformer can operate normally, safety of the transformer is improved, and the service life of the transformer is prolonged. The problems that a box door of an existing oil-immersed transformer only has a self-locking function, the safety of the transformer is low, misoperation is prone to occurring, and normal operation and the service life of the transformer are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, especially a kind of box structure and transformer of double door interlocking. BACKGROUND

[0002] Oil-immersed transformer is a kind of transformer using transformer oil as insulation and cooling medium. This kind of transformer is usually used outdoors, and the box body of the transformer is provided with double doors or even more box doors. Each box door can be opened independently, which is convenient for the staff to open the box door that needs to be checked and check its operating condition during daily inspection, maintenance or emergency.

[0003] In the above structure, there is no direct linkage or locking relationship between the box doors, and each box door can be self-locked. This structure has certain risks for oil-immersed transformers. At this time, the safety of the transformer is low, and when the operator maintains or inspects the transformer, it is easy to make mistakes or not understand the correct operation sequence, which may cause damage to the transformer, affect its normal operation and service life, and even cause safety accidents, causing harm to personnel and the environment. SUMMARY

[0004] The main purpose of the utility model is to provide a box structure with double doors interlocked, which realizes the interlocking between the first door and the second door, avoids the situation of misoperation, improves the safety and prolongs the service life, and solves the problem that the existing oil-immersed transformer box door only has self-locking function, the transformer safety is low, and misoperation easily occurs, which causes damage to the transformer, affects its normal operation and service life.

[0005] Another purpose of the utility model is to provide a transformer using the above-mentioned box structure with double doors interlocked, which realizes the interlocking between the first door and the second door, solves the problem that the existing oil-immersed transformer box door only has self-locking function, the transformer safety is low, the transformer is easily damaged, and affects its normal operation and service life.

[0006] To achieve the above-mentioned purpose, the box structure with double doors interlocked provided by the utility model comprises a box body, a first door, a second door and a door lock structure.

[0007] The inside of the box body is provided with a left cavity and a right cavity which are independently arranged, the box body is provided with a first opening corresponding to the left cavity, the box body is provided with a second opening corresponding to the right cavity, the first door is arranged corresponding to the first opening, and the second door is arranged corresponding to the second opening.

[0008] The first box door is hinged to the box body at one end away from the second box door, the second box door is hinged to the box body at one end away from the first box door, and the first box door is provided with a pressing plate at one end close to the second box door, the pressing plate is detachably connected to the box body through a first connecting piece, and the second box door is provided with a cover at one end close to the first box door and covering the first connecting piece.

[0009] The door lock structure is arranged on the second box door and used for locking and opening the second box door.

[0010] Optionally, the first box door comprises a box door body and the pressing plate, one end of the box door body is hinged to the box body, and the other end of the box door body is connected to the pressing plate.

[0011] The pressing plate comprises a connecting plate and a side plate, the connecting plate is connected to the box door body, the side plate is connected to one end of the connecting plate away from the box door body, and the side plate extends towards a side away from the box body.

[0012] Optionally, the box body and the connecting plate are respectively provided with a corresponding first through hole.

[0013] The first connecting piece sequentially passes through the first through hole of the connecting plate and the first through hole of the box body, and detachably connects the connecting plate to the box body.

[0014] Optionally, the length of the first opening and the length of the second opening are the same, and the top end height of the first opening and the top end height of the second opening are flush.

[0015] The length of the first box door and the length of the second box door are the same, and the top end height of the first box door and the top end height of the second box door are flush.

[0016] The length of the pressing plate is smaller than the length of the second box door.

[0017] Optionally, the door lock structure comprises a first locking piece, a lock tongue and a handle.

[0018] The lock tongue is arranged on the inner side of the second box door, one end of the handle is located on the outer side of the second box door, the other end of the handle is fixedly connected to the lock tongue after passing through the second box door, the lock tongue extends to a position corresponding to the inner wall of the box body, and the handle drives the lock tongue to rotate, so that the lock tongue rotates to a position corresponding to the second opening.

[0019] The second box door and the lock bolt are respectively provided with a corresponding second through hole, and the first locking member sequentially passes through the second through hole of the second box door and the second through hole of the lock bolt to limit rotation of the lock bolt.

[0020] Optionally, the door lock structure further comprises an upper roller, an upper bolt plate, an upper insertion rod, a lower insertion rod, a lower bolt plate and a lower roller.

[0021] The upper bolt plate and the lower bolt plate are fixedly arranged on inner walls of the second box door.

[0022] One end of the upper insertion rod extends above the second opening and is connected with the upper roller, and the other end of the upper insertion rod passes through the upper bolt plate and is connected with one end of the lock bolt, the other end of the lock bolt is connected with one end of the lower insertion rod, the other end of the lower insertion rod extends below the second opening after passing through the lower bolt plate, and the other end of the lower insertion rod is connected with the lower roller.

[0023] The upper insertion rod and the lower insertion rod both extend along the height direction and are located on the same straight line.

[0024] Optionally, the door lock structure further comprises a sleeve, a second locking member and an L-shaped piece; the sleeve is fixedly arranged on the second box door, and the sleeve is provided with a threaded hole for mounting the first locking member.

[0025] One end of the L-shaped piece is fixedly connected with the handle, the other end of the L-shaped piece abuts against an outer wall of the sleeve, the L-shaped piece and the sleeve are respectively provided with corresponding fourth through holes, and the second locking member passes through the fourth through holes of the sleeve and the fourth through holes of the L-shaped piece to lock the L-shaped piece and the sleeve together.

[0026] Optionally, the lock bolt is T-shaped.

[0027] Optionally, the inner side wall of the first box door and the inner side wall of the second box door are respectively provided with a plurality of reinforcing irons.

[0028] The utility model further provides a transformer which comprises the double-door interlocking box structure of any one of the above.

[0029] Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

[0030] The utility model discloses a box body's inside is equipped with the left cavity and right cavity who sets up independently to each other, can make operating personnel in two different, mutually isolated space operation, in one of the cavities operation does not receive the interference or influence of another cavity, improved security and production efficiency. The one end of first box door near second box door is equipped with the pressing plate, and the one end cover of second box door near first box door is equipped in the pressing plate and covers first connecting piece, adopt the structure of the utility model, when second box door closes, first connecting piece can not be dismantled down at this time, only after opening second box door, can first connecting piece be dismantled, and first box door is opened finally, when second box door closes, first box door can not be opened, realized the interlock between first box door and second box door, avoided the situation of misoperation, made transformer can normal operation, improved its security and prolonged the service life. In addition, it can also prevent causing safety accidents, avoid the harm to personnel and environment. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the front view of the box body structure of double open door interlock of an embodiment of the utility model;

[0032] Figure 2 It is the back view of the box body structure of double open door interlock of an embodiment of the utility model;

[0033] Figure 3 It is the structure schematic view of the box body of the box body structure of double open door interlock of an embodiment of the utility model;

[0034] Figure 4 It is Figure 3 The front view after installing first box door;

[0035] Figure 5 It is Figure 4 The enlarged view of B in

[0036] Figure 6 It is the structure schematic view of first box door of the box body structure of double open door interlock of an embodiment of the utility model;

[0037] Figure 7 It is the schematic diagram of door lock structure of the box body structure of double open door interlock of an embodiment of the utility model;

[0038] Figure 8 It is Figure 7 The back side view of

[0039] Figure 9 It is Figure 1 The enlarged view of A in

[0040] Figure 10 It is the structure schematic view of sleeve and L-shaped piece of the double-opened door interlocked box structure of the embodiment of the utility model;

[0041] Figure 11 It is the unlocking state schematic view (rear view) of the double-opened door interlocked box structure of the embodiment of the utility model.

[0042] 1, box body; 11, left cavity; 111, first opening; 12, right cavity; 121, second opening; 2, first box door; 21, pressing plate; 211, first connecting piece; 2111, fixed column; 212, connecting plate; 213, side plate; 22, box door body; 3, second box door; 31, reinforcing iron; 4, door lock structure; 401, first locking piece; 402, lock tongue; 403, handle; 404, upper roller; 405, upper bolt plate; 406, upper inserting rod; 407, lower inserting rod; 408, lower bolt plate; 409, lower roller; 410, sleeve; 411, L-shaped piece; 412, fourth through hole. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0044] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0045] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0046] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is to include three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0047] The utility model provides a kind of box structure and transformer of double door interlocking.

[0048] In the embodiments of the present application, as shown in Figures 1 to 4 The box structure of double door interlocking includes box 1, first box door 2, second box door 3 and door lock structure 4;

[0049] The inside of box 1 is provided with left cavity 11 and right cavity 12 which are independently arranged, first opening 111 is arranged at the position corresponding to left cavity 11 of box 1, second opening 121 is arranged at the position corresponding to right cavity 12 of box 1, first box door 2 is arranged corresponding to first opening 111, and second box door 3 is arranged corresponding to second opening 121;

[0050] The end of first box door 2 away from second box door 3 is hinged to box 1, the end of second box door 3 away from first box door 2 is hinged to box 1, and the end of first box door 2 close to second box door 3 is provided with pressing plate 21, pressing plate 21 is detachably connected with box 1 through first connecting piece 211, and the end of second box door 3 close to first box door 2 is covered on pressing plate 21 and covers first connecting piece 211;

[0051] Door lock structure 4 is arranged on second box door 3, and door lock structure 4 is used for locking and opening second box door 3.

[0052] The utility model discloses a box 1's inside is equipped with the left cavity 11 and right cavity 12 of independent setting each other, can let operating personnel in two different, mutually isolated space operation, in one of the cavities operation will not be interfered with or influenced by another cavity, improved security and production efficiency. The one end of first box door 2 near second box door 3 is equipped with the pressing plate 21, and the one end cover of second box door 3 near first box door 2 is equipped in pressing plate 21 and covers first connecting piece 211, adopt the structure of the utility model, when second box door 3 closes, first connecting piece 211 can not be taken off at this time, only after opening second box door 3, can first connecting piece 211 be taken off, and first box door 2 is opened finally, when second box door 3 closes, first box door 2 can not be opened, realized the interlock between first box door 2 and second box door 3, avoided the situation of misoperation, made the transformer can normal operation, improved its security and prolonged the service life. In addition, it can also prevent safety accidents, avoid the harm to personnel and environment. The box door of the oil-immersed transformer has only the self-locking function, the safety of the transformer is low, and misoperation easily occurs to cause damage of the transformer, which affects normal operation and service life.

[0053] Specifically, the inside of the box 1 is provided with a partition plate for separating the inside space of the box 1 into the left cavity 11 and the right cavity 12, so that the inside of the box 1 is separated into two different and mutually isolated spaces for operation.

[0054] As shown in Figure 5 and Figure 6 in an embodiment of the present application, the first box door 2 includes a box door body 22 and a pressing plate 21, one end of the box door body 22 is hinged to the box 1, and the other end of the box door body 22 is connected with the pressing plate 21;

[0055] The pressing plate 21 includes a connecting plate 212 and a side plate 213, the connecting plate 212 is connected with the box door body 22, and the side plate 213 is connected to one end of the connecting plate 212 away from the box door body 22 and extends towards the side away from the box 1.

[0056] One end of the box door body 22 is hinged to the box 1, the other end of the box door body 22 is connected with the connecting plate 212, the side plate 213 is connected to one end of the connecting plate 212 away from the box door body 22 and extends towards the side away from the box 1. Through this structure, after the first connecting piece 211 is taken off, only the side plate 213 needs to be pulled, and the first box door 2 can be opened more conveniently and quickly, effectively improving the work efficiency.

[0057] As shown in Figures 3 to 6 in an embodiment of the present application, the box 1 and the connecting plate 212 are respectively provided with a corresponding first through hole;

[0058] The first connecting member 211 passes through the first through hole of the connecting plate 212 and the first through hole of the box body 1 in sequence, and detachably connects the connecting plate 212 to the box body 1.

[0059] The box body 1 and the connecting plate 212 are respectively provided with a corresponding first through hole, so that the first connecting member 211 passes through the first through hole of the connecting plate 212 and the first through hole of the box body 1 in sequence, thereby detachably connecting the connecting plate 212 to the box body 1 through the first connecting member 211.

[0060] Preferably, the first connecting member 211 is a five-angle bolt, and the inner side wall (the inner side refers to the side facing the inside of the box body 1) of the box body 1 is provided with a fixed column 2111 corresponding to the first through hole, and a threaded hole is formed in the inside of the fixed column 2111, and after the first connecting member 211 passes through the first through hole of the connecting plate 212 and the first through hole of the box body 1, it is threadedly connected to the threaded hole of the fixed column 2111.

[0061] As shown in Figures 1 to 4 In an embodiment of the present application, the length dimension of the first opening 111 is the same as the length dimension of the second opening 121, and the top end height of the first opening 111 is flush with the top end height of the second opening 121.

[0062] The length dimension of the first box door 2 is the same as the length dimension of the second box door 3, and the top end height of the first box door 2 is flush with the top end height of the second box door 3.

[0063] The length dimension of the pressing plate 21 is smaller than the length dimension of the second box door 3.

[0064] The length dimension of the first opening 111 is the same as the length dimension of the second opening 121, and the top end height of the first opening 111 is flush with the top end height of the second opening 121, so that the top end height of the first box door 2 corresponding to the first opening 111 and the top end height of the second box door 3 corresponding to the second opening 121 are flush, and the length dimension of the pressing plate 21 is smaller than the length dimension of the second box door 3, so that when the second box door 3 is closed, the second box door 3 can cover most of the area of the pressing plate 21, making the overall structure of the box body structure more beautiful and improving the beauty of the box body structure.

[0065] As shown in Figure 1 , 2 and 7-11, in an embodiment of the present application, the door lock structure 4 includes a first locking member 401, a lock tongue 402 and a handle 403.

[0066] The lock tongue 402 is arranged on the inner side of the second cabinet door 3, one end of the handle 403 is arranged on the outer side of the second cabinet door 3, and the other end of the handle 403 is fixedly connected with the lock tongue 402 after penetrating through the second cabinet door 3; the lock tongue 402 extends to a position corresponding to the inner wall of the cabinet 1, and the handle 403 drives the rotation of the lock tongue 402, so that the lock tongue 402 rotates to a position corresponding to the second opening 121.

[0067] The second cabinet door 3 and the lock tongue 402 are respectively provided with a corresponding second through hole, and the first locking piece 401 sequentially penetrates through the second through hole of the second cabinet door 3 and the second through hole of the lock tongue 402, so as to limit the rotation of the lock tongue 402.

[0068] The door lock structure 4 comprises the first locking piece 401, the lock tongue 402 and the handle 403, the lock tongue 402 is arranged on the inner side of the second cabinet door 3 (the inner side refers to the side facing the inside of the cabinet 1), one end of the handle 403 is arranged on the outer side of the second cabinet door 3, and the other end of the handle 403 is fixedly connected with the lock tongue 402 after penetrating through the second cabinet door 3. In the locked state, since the lock tongue 402 extends to a position corresponding to the inner wall of the cabinet 1, when an external force pulls the handle 403, the lock tongue 402 will abut against the inner wall of the cabinet 1, at this time, the external force cannot pull the handle 403 to open the second cabinet door 3; the rotation of the handle 403 can realize the rotation of the lock tongue 402, so that the lock tongue 402 rotates to a position corresponding to the second opening 121, thereby releasing the locking of the second cabinet door 3 by the lock tongue 402, and then opening the second cabinet door 3. By setting the first locking piece 401, when the first locking piece 401 sequentially penetrates through the second through hole of the second cabinet door 3 and the second through hole of the lock tongue 402, the rotation of the lock tongue 402 is limited, and before the second cabinet door 3 is opened, the first locking piece 401 needs to be disassembled first, and then the handle 403 can be rotated.

[0069] Specifically, the second cabinet door 3 is provided with a hole for the handle 403 to penetrate through, and the handle 403 is rotationally connected with the second cabinet door 3; after the first locking piece 401 is disassembled, the handle 403 is rotated, at this time, the handle 403 can drive the lock tongue 402 to rotate, and then the second cabinet door 3 can be opened. The door lock structure 4 is compact in overall structure, the first locking piece 401 needs to be disassembled first, and then the second cabinet door 3 can be successfully opened, so that the second cabinet door 3 cannot be easily opened, the safety of the oil-immersed transformer is further improved, the normal operation of the oil-immersed transformer is ensured, and the service life of the oil-immersed transformer is prolonged.

[0070] Preferably, the first locking piece 401 is a bolt, and in an embodiment of the utility model, the second through hole of the second cabinet door 3 can be a threaded hole, so that the first locking piece 401 is threadedly connected with the second cabinet door 3, to ensure the connection stability of the first locking piece 401 and the second cabinet door 3.

[0071] As Figure 2 , 7, 8 and 11, in an embodiment of the present application, the door lock structure 4 further comprises an upper roller 404, an upper bolt plate 405, an upper bolt rod 406, a lower bolt rod 407, a lower bolt plate 408 and a lower roller 409;

[0072] The upper bolt plate 405 and the lower bolt plate 408 are fixedly arranged on the inner wall of the second cabinet door 3 respectively;

[0073] One end of the upper bolt rod 406 extends to the upper side of the second opening 121 and is connected with the upper roller 404, the other end of the upper bolt rod 406 is connected with one end of the bolt 402 after passing through the upper bolt plate 405, the other end of the bolt 402 is connected with one end of the lower bolt rod 407, the other end of the lower bolt rod 407 extends to the lower side of the second opening 121 after passing through the lower bolt plate 408, and the other end of the lower bolt rod 407 is connected with the lower roller 409;

[0074] The upper bolt rod 406 and the lower bolt rod 407 extend along the height direction and are located on the same straight line.

[0075] The upper insertion rod 406 extends to the upper side of the second opening 121 and is connected with the upper roller 404, the upper insertion plate 405 is provided with a third through hole for the upper insertion rod 406 to pass through, the upper insertion rod 406 can move up and down and swing left and right in the third through hole of the upper insertion plate 405, one end of the lower insertion rod 407 extends to the lower side of the second opening 121 and is connected with the lower roller 409, the lower insertion plate 408 is provided with a third through hole for the lower insertion rod 407 to pass through, the lower insertion rod 407 can move up and down and swing left and right in the third through hole of the lower insertion plate 408. In this way, the upper roller 404, the upper insertion plate 405, the upper insertion rod 406, the lower insertion rod 407, the lower insertion plate 408, the lower roller 409 and the locking tongue 402 are arranged in a matching structure, that is, when the handle 403 is pulled by external force, the upper roller 404, the upper insertion rod 406, the lower insertion rod 407 and the lower roller 409 all resist the inner side wall of the box body 1, and the second box door 3 cannot be pulled open by external force. Among them, the upper roller 404 and the lower roller 409 can also contact the inner wall of the box body 1 when pulled by external force, and when in contact, the damage to the inner side wall of the box body 1 can be reduced under the sliding action of the roller, thereby prolonging the service life of the transformer. The upper insertion rod 406 and the lower insertion rod 407 extend along the height direction and are located on the same straight line, so that the force of the locking tongue 402 on the upper insertion rod 406 and the lower insertion rod 407 can be more balanced, and the overall structural stability of the door lock structure 4 is higher. When the handle 403 is rotated, the locking tongue 402 is rotated, and under the driving of the locking tongue 402, the upper insertion rod 406 moves downward and swings in the third through hole of the upper insertion plate 405, at this time, the upper roller 404 moves from the upper side of the second opening 121 to the lower side of the second opening 121; under the driving of the locking tongue 402, the lower insertion rod 407 moves upward and swings in the third through hole of the lower insertion plate 408, and the lower roller 409 moves from the lower side of the second opening 121 to the upper side of the second opening 121, at this time, the second box door 3 can be pulled open by the handle 403. In this way, the door lock structure 4 is arranged, the handle 403 can be rotated to open the second box door 3, so that the structure of the utility model is reasonable and compact.

[0076] In another embodiment of the utility model, as shown in the figure, Figures 7 to 10 The door lock structure 4 further comprises a sleeve 410, a second locking member and an L-shaped piece 411; the sleeve 410 is fixedly arranged on the second box door 3, and the sleeve 410 is provided with a threaded hole for the first locking member 401 to be arranged in; in this embodiment, the sleeve 410 can pass through the second through hole of the second box door 3 and be fixedly connected with the second box door 3, and the first locking member 401 is screwed into the threaded hole of the sleeve 410 and then passes through the second through hole of the locking tongue 402;

[0077] One end of the L-shaped piece 411 is fixedly connected with the handle 403, and the other end of the L-shaped piece 411 abuts against the outer wall of the sleeve 410. The L-shaped piece 411 and the sleeve 410 are respectively provided with corresponding fourth through holes 412. The second locking piece passes through the fourth through hole 412 of the sleeve 410 and the fourth through hole 412 of the L-shaped piece 411, and locks the L-shaped piece 411 and the sleeve 410 together.

[0078] One end of the L-shaped piece 411 is fixedly connected with the handle 403, and the other end of the L-shaped piece 411 abuts against the outer wall of the sleeve 410. When the handle 403 is rotated away from the sleeve 410, the L-shaped piece 411 rotates with the handle 403. When the handle 403 is reset, the L-shaped piece 411 is also reset. At this time, the fourth through hole 412 of the L-shaped piece 411 and the fourth through hole 412 of the sleeve 410 correspond. The second locking piece passes through the fourth through hole 412 of the sleeve 410 and the fourth through hole 412 of the L-shaped piece 411, and locks the L-shaped piece 411 and the sleeve 410 together. In this way, the second locking piece abuts against the first locking piece 401, and the first locking piece 401 cannot be disassembled. At this time, the second locking piece needs to be opened first, and then the first locking piece 401 can be disassembled. After the first locking piece 401 is disassembled, the handle 403 is rotated to open the second door 3. This arrangement can limit the improper contact and damage of the transformer by non-operating personnel, can also avoid the misoperation and play a role in preventing theft, greatly improves the safety of the oil-immersed transformer, and ensures the safe operation of the oil-immersed transformer.

[0079] Specifically, the second locking piece is a padlock.

[0080] As shown in Figure 8 In an embodiment of the present application, the shape of the lock tongue 402 is T-shaped.

[0081] The shape of the lock tongue 402 is T-shaped, which facilitates the upper insertion rod 406 and the lower insertion rod 407 to be located on the same straight line. In this way, the installation positions of the upper insertion rod 406 and the lower insertion rod 407 can be quickly determined during actual installation, and the installation efficiency is improved.

[0082] Preferably, when the second door 3 is in a locked state, the end of the lock tongue 402 away from the upper insertion rod 406 and the lower insertion rod 407 extends to the left of the second opening 121. In this way, when an external force pulls the handle 403 of the second door 3, the lock tongue 402 abuts against the inner side wall of the cabinet 1, and the second door 3 cannot be opened, further improving the safety of the transformer.

[0083] As shown in Figure 1 and Figure 2 In an embodiment of the present application, the inner side wall of the first door 2 and the inner side wall of the second door 3 are respectively provided with a plurality of reinforcing irons 31.

[0084] The reinforcing iron 31 is arranged to improve the structural strength of the first box door 2 and the second box door 3, prevent the first box door 2 and the second box door 3 from being deformed due to internal pressure of the oil-immersed transformer or external factors, and further improve the safety of the oil-immersed transformer.

[0085] Preferably, the number of the reinforcing iron 31 of the inner side wall of the first box door 2 is two, and the two reinforcing irons 31 are in X shape; the reinforcing irons 31 of the inner side wall of the second box door 3 are arranged along the width direction of the second box door 3, and the reinforcing irons 31 are arranged along the length direction of the second box door 3.

[0086] The utility model also provides a transformer comprising the above-mentioned double-door interlocking box structure.

[0087] By using the double-door interlocking box structure, interlocking between the two box doors can be realized, the situation of misoperation can be avoided, the transformer can normally operate, the safety is improved, and the service life is prolonged. In addition, safety accidents can be prevented, and harm to personnel and the environment can be avoided.

[0088] The utility model specifically works as follows: first, the locking sleeve 410 and the second locking part of the L-shaped part 411 are disassembled, then the first locking part 401 is rotated by using a wrench, the first locking part 401 is disassembled, at this time, the restriction of the first locking part 401 to the lock tongue 402 is released, the handle 403 arranged outside the second box door 3 is rotated, the handle 403 is rotated to the side away from the sleeve 410, the handle 403 drives the lock tongue 402 to rotate, the second box door 3 can be opened, then the first connecting part 211 is rotated by using a wrench, the first connecting part 211 is disassembled, at this time, the side plate 213 of the pressing plate 21 can be pulled to open the first box door 2.

[0089] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as limitations on the protection scope of the utility model in any way. Based on the explanations herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the utility model.

Claims

1. A box structure with double doors interlocking, characterized in that: It comprises a box body (1), a first box door (2), a second box door (3) and a door lock structure (4); The box body (1) is provided with a left cavity (11) and a right cavity (12) which are independently arranged. The box body (1) is provided with a first opening (111) corresponding to the left cavity (11), and the box body (1) is provided with a second opening (121) corresponding to the right cavity (12). The first box door (2) is provided corresponding to the first opening (111), and the second box door (3) is provided corresponding to the second opening (121). One end of the first door (2) away from the second door (3) is hinged to the box body (1), and one end of the second door (3) away from the first door (2) is hinged to the box body (1), and one end of the first door (2) close to the second door (3) is provided with a pressing plate (21), and the pressing plate (21) is detachably connected to the box body (1) through a first connecting member (211), and an end cover of the second door (3) close to the first door (2) is provided on the pressing plate (21) and shields the first connecting member (211); The door lock structure (4) is arranged on the second box door (3), and the door lock structure (4) is used to lock and open the second box door (3).

2. The double-door interlocking box structure according to claim 1 is characterized in that: The first door (2) comprises a door body (22) and the pressure plate (21), one end of the door body (22) is hinged to the box body (1), and the other end of the door body (22) is connected to the pressure plate (21); The pressure plate (21) includes a connecting plate (212) and a side plate (213), wherein the connecting plate (212) is connected to the door body (22), and the side plate (213) is connected to an end of the connecting plate (212) away from the door body (22), and the side plate (213) is extended toward a side away from the box body (1).

3. The double-door interlocking box structure according to claim 2, characterized in that: The box body (1) and the connecting plate (212) are respectively provided with corresponding first through holes; The first connecting member (211) passes through the first through hole of the connecting plate (212) and the first through hole of the box body (1) in sequence, so as to detachably connect the connecting plate (212) to the box body (1).

4. The double-door interlocking box structure according to claim 1, characterized in that: The length of the first opening (111) is the same as the length of the second opening (121), and the top height of the first opening (111) is flush with the top height of the second opening (121); The length of the first door (2) is the same as that of the second door (3), and the top height of the first door (2) is flush with the top height of the second door (3); The length of the pressing plate (21) is smaller than the length of the second door (3).

5. The double-door interlocking box structure according to claim 1, characterized in that: The door lock structure (4) comprises a first locking member (401), a locking tongue (402) and a handle (403); The lock tongue (402) is arranged on the inner side of the second box door (3), one end of the handle (403) is located on the outer side of the second box door (3), and the other end of the handle (403) passes through the second box door (3) and is fixedly connected to the lock tongue (402); the lock tongue (402) extends to a position corresponding to the inner wall of the box body (1), and the rotation of the handle (403) drives the lock tongue (402) to rotate, so that the lock tongue (402) rotates to a position corresponding to the second opening (121); The second door (3) and the lock tongue (402) are respectively provided with a one-to-one corresponding second through hole, and the first locking member (401) passes through the second through hole of the second door (3) and the second through hole of the lock tongue (402) in sequence to limit the rotation of the lock tongue (402).

6. The double-door interlocking box structure according to claim 5, characterized in that: The door lock structure (4) further comprises an upper roller (404), an upper latch plate (405), an upper insertion rod (406), a lower insertion rod (407), a lower latch plate (408) and a lower roller (409); The upper latch plate (405) and the lower latch plate (408) are respectively fixedly arranged on the inner wall of the second door (3); One end of the upper insertion rod (406) extends to the top of the second opening (121) and is connected to the upper roller (404); the other end of the upper insertion rod (406) passes through the upper latch plate (405) and is connected to one end of the lock tongue (402); the other end of the lock tongue (402) is connected to one end of the lower insertion rod (407); the other end of the lower insertion rod (407) passes through the lower latch plate (408) and extends to the bottom of the second opening (121); the other end of the lower insertion rod (407) is connected to the lower roller (409); The upper insertion rod (406) and the lower insertion rod (407) both extend in the height direction and are located on the same straight line.

7. The double-door interlocking box structure according to claim 5, characterized in that: The door lock structure (4) further comprises a sleeve (410), a second locking member and an L-shaped member (411); the sleeve (410) is fixedly arranged on the second door (3), and the sleeve (410) is provided with a threaded hole for installing the first locking member (401); One end of the L-shaped member (411) is fixedly connected to the handle (403), and the other end of the L-shaped member (411) abuts against the outer wall of the sleeve (410). The L-shaped member (411) and the sleeve (410) are respectively provided with corresponding fourth through holes (412). The second locking member passes through the fourth through hole (412) of the sleeve (410) and the fourth through hole (412) of the L-shaped member (411) to lock the L-shaped member (411) and the sleeve (410) together.

8. The double-door interlocking box structure according to claim 5, characterized in that: The locking tongue (402) is in a T-shape.

9. The double-door interlocking box structure according to claim 1, characterized in that: The inner side wall of the first door (2) and the inner side wall of the second door (3) are respectively provided with a plurality of reinforcing irons (31).

10. A transformer, characterized in that: The invention comprises a box structure with double-door interlocking as claimed in any one of claims 1 to 9.

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