End plate connecting structure of internal oil type capsule oil conservator

By using a structure of bumps and arc-shaped guide grooves at the connection between the end plate of the internal oil-type capsule oil storage cabinet and the cabinet body, and combining the positioning pin to fix the end plate, the existing technology requires a large number of bolts and nuts. Problem, more efficient installation and disassembly process is achieved.

CN222507300UActive Publication Date: 2025-02-18NANTONG SHIRUI POWER TECH CO LTD
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Patent Information

Application Number
CN202421119258.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-02-18
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The connection method of the end plate of the existing internal oil capsule oil storage cabinet and the cabinet body requires a large number of bolts and nuts to tighten, which is costly and has low installation and disassembly efficiency.

Method used

The structure of the bump and the arc-shaped guide groove is adopted to fix the end plate by the positioning pin to achieve fastening and installation without bolts and nuts, and no hole position is required, reducing installation difficulty.

Benefits of technology

Save costs, improve the installation and disassembly efficiency of end plates, and reduce installation difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an end plate connecting structure of an internal oil type capsule oil conservator. The outer side surfaces of the two ends of a conservator body are provided with a plurality of left side protruding blocks and a plurality of right side protruding blocks respectively. The left side end plate is connected with the left end of the cabinet body through cooperation of the left side protruding block and the first arc-shaped guide groove, the right side end plate is connected with the right end of the cabinet body through cooperation of the right side protruding block and the second arc-shaped guide groove, and the left side protruding block and the right side protruding block located on the top are matched with the first surrounding edge and the second surrounding edge through positioning pins respectively. The structure is reasonable, installation of the left end plate can be completed by rotating the left end plate, installation of the right end plate can be completed by rotating the right end plate, meanwhile, through fixing of the positioning pins, the left end plate and the right end plate cannot loosen, fastening through bolts and nuts is not needed, hole position alignment is not needed, the installation difficulty is reduced, cost is saved, and the installation efficiency is improved. And on the other hand, the end plate mounting and dismounting efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of end plate connection of an oil storage cabinet, in particular to an end plate connection structure of an internal oil capsule oil storage cabinet. Background Art

[0002] Commonly known as the oil pillow, it is a cylindrical container placed horizontally above the oil tank and connected to the transformer's oil tank with a pipe. When the transformer oil expands due to heat, the oil flows from the oil tank to the oil conservator; when the transformer oil contracts due to cold, the oil flows from the oil conservator to the oil tank. The capsule oil conservator is based on the open oil conservator, with a cloth-reinforced rubber bag installed inside to isolate the air, forming a sealed structure with the outer shell. The rubber bag achieves volume compensation for the insulating oil by expansion and contraction, and the inner cavity of the capsule is connected to the atmosphere through a respirator.

[0003] At present, the end plate and the cabinet body of the internal oil capsule oil storage cabinet are generally connected by flanges and bolts and nuts. This connection method is difficult to make holes and requires a large number of bolts and nuts to be fastened, which increases the cost and has low installation and removal efficiency. Therefore, an improved technology is urgently needed to solve this problem in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide an end plate connection structure of an internal oil capsule oil storage cabinet, when the left side protrusion enters the first arc guide groove through the first opening, the left side end plate can be rotated to complete the installation of the left side end plate, and when the right side protrusion enters the second arc guide groove through the second opening, the right side end plate can be rotated to complete the installation of the right side end plate, and at the same time, the left side end plate and the right side end plate are fixed by locating pins, so that the left side end plate and the right side end plate will not loosen, there is no need to tighten with bolts and nuts, there is no need to align the hole positions, and the installation difficulty is reduced. On the one hand, costs are saved, and on the other hand, the efficiency of end plate installation and disassembly is improved to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an end plate connection structure of an internal oil capsule oil storage cabinet, comprising a cabinet body, a left end plate, a right end plate and a positioning pin;

[0006] The outer surfaces of both ends of the cabinet are respectively provided with a plurality of left-side convex blocks and right-side convex blocks;

[0007] The left end plate is provided with a first surround, a plurality of first handles are provided on the periphery of the first surround, a plurality of first arc-shaped guide grooves are provided on the inner edge of the first surround, a first opening is provided on the inner side of the first surround and at one end of each first arc-shaped guide groove, the left protrusion corresponds to the first arc-shaped guide groove one by one, the first opening matches the left protrusion, the left protrusion is slidably matched with the first arc-shaped guide groove, the left end plate is connected to the left end of the cabinet body through the cooperation of the left protrusion and the first arc-shaped guide groove, and the first surround wraps around the outer surface of the left end of the cabinet body;

[0008] The right side end plate is provided with a second surrounding edge, a plurality of second handles are provided on the periphery of the second surrounding edge, a plurality of second arc-shaped guide grooves are provided on the inner edge of the second surrounding edge, a second opening is provided on the inner side of the second surrounding edge and at one end of each second arc-shaped guide groove, the right side protrusion corresponds to the second arc-shaped guide groove one by one, the second opening matches the right side protrusion, the right side protrusion is slidably matched with the second arc-shaped guide groove, the right side end plate is connected to the right end of the cabinet body through the cooperation of the right side protrusion and the second arc-shaped guide groove, and the second surrounding edge is wrapped around the outer surface of the right end of the cabinet body;

[0009] The left-side protrusion and the right-side protrusion at the top are both provided with positioning holes, and the top ends of the first surrounding edge and the second surrounding edge are both provided with pin holes. The positioning hole of the left-side protrusion at the top corresponds to the pin hole at the top end of the first surrounding edge and is matched through a positioning pin, and the positioning hole of the right-side protrusion at the top corresponds to the pin hole at the top end of the second surrounding edge and is matched through a positioning pin.

[0010] Preferably, the utility model provides an end plate connection structure of an internal oil capsule oil storage cabinet, wherein the left end plate is provided with an observation port.

[0011] Preferably, the utility model provides an end plate connection structure of an internal oil capsule oil storage cabinet, wherein the right end plate is provided with a liquid level gauge and a manhole, and the liquid level gauge is connected with a telescopic rod.

[0012] Preferably, the utility model provides an end plate connection structure of an internal oil capsule oil storage cabinet, wherein a main connecting pipe and a support frame are provided at the bottom of the cabinet body, and a vacuum port and an oil filling and discharge port are respectively connected to both sides of the main connecting pipe.

[0013] Preferably, the utility model provides an end plate connection structure of an internal oil capsule oil storage cabinet, wherein a lifting seat, a lifting ear and a breathing port are provided on the top of the cabinet, a vent plug is provided on the upper surface of the lifting seat, a capsule is provided inside the cabinet, the bottom of the capsule is interconnected with the main connecting pipe, an exhaust pipe valve and a support are provided on the upper surface of the capsule, the exhaust pipe valve is connected to the vent plug through a hose, and the support is rotatably connected to the end of the telescopic rod away from the liquid level meter through a pin shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] A left-side protrusion and a right-side protrusion are respectively provided at both ends of the cabinet body, and the left-side end plate and the right-side end plate cooperate with the left-side protrusion and the right-side protrusion respectively through arc guide grooves. When the left-side protrusion enters the first arc guide groove through the first opening, the left-side end plate can be installed by rotating the left-side end plate. When the right-side protrusion enters the second arc guide groove through the second opening, the right-side end plate can be installed by rotating the right-side end plate. At the same time, the left-side end plate and the right-side end plate are fixed by locating pins, so that the left-side end plate and the right-side end plate will not loosen, there is no need to tighten with bolts and nuts, there is no need to align the holes, and the difficulty of installation is reduced. On the one hand, it saves costs, and on the other hand, it improves the efficiency of end plate installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cabinet structure;

[0018] Figure 3 It is a schematic diagram of the left end plate structure;

[0019] Figure 4 It is a schematic diagram of the distribution structure of the first arc-shaped guide groove of the left end plate;

[0020] Figure 5 It is a schematic diagram of the right end plate structure;

[0021] Figure 6 It is a schematic diagram of the distribution structure of the second arc-shaped guide groove of the right end plate;

[0022] Figure 7 This is a schematic diagram of the internal structure of the utility model;

[0023] Figure 8 For attachment Figure 7 A schematic diagram of the enlarged structure at the mark A.

[0024] In the figure: cabinet 1, left end plate 2, right end plate 3, locating pin 4, left protrusion 5, right protrusion 6, first surrounding edge 7, first handle 8, first arc guide groove 9, first opening 10, second surrounding edge 11, second handle 12, second arc guide groove 13, second opening 14, locating hole 15, latch hole 16, observation port 17, liquid level gauge 18, manhole 19, telescopic rod 20, main connecting pipe 21, support frame 22, vacuum port 23, oil filling and discharge port 24, lifting seat 25, lifting ear 26, breathing port 27, venting plug 28, capsule 29, exhaust pipe valve 30, support 31, hose 32. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;

[0026] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0027] See also Figure 1-8 , the utility model provides a technical solution: an end plate connection structure of an internal oil capsule oil storage cabinet, comprising a cabinet body 1, a left end plate 2, a right end plate 3 and a positioning pin 4;

[0028] The outer surfaces of both ends of the cabinet 1 are respectively provided with a plurality of left convex blocks 5 and right convex blocks 6. The bottom of the cabinet 1 is provided with a main connecting pipe 21 and a support frame 22. The two sides of the main connecting pipe 21 are respectively connected with a vacuum port 23 and an oil injection and discharge port 24. The main connecting pipe 21 is respectively connected to the airbag 29 and the transformer. The vacuum port 23 and the oil injection and discharge port 24 respectively realize the vacuum and oil injection of the airbag. The top of the cabinet 1 is provided with a lifting seat 25, a lifting ear 26 and a breathing port 27. The lifting ear 26 is used for overall lifting, and the breathing port 27 is used for the air inside the cabinet 1 when the airbag is expanded or contracted. The discharge and entry of the lifting seat 25 are provided with a venting plug 28 on the upper surface, and a capsule 29 is provided inside the cabinet 1. The bottom of the capsule 29 is communicated with the main connecting pipe 21, and the upper surface of the capsule 29 is provided with an exhaust pipe valve 30 and a support 31. The exhaust pipe valve 30 is connected to the venting plug 28 through a hose 32, and the support 31 is rotatably connected to the end of the telescopic rod 20 away from the liquid level meter 18 through a pin shaft. When disassembling the right end plate 3, the hose 32 must be separated from the exhaust pipe valve 30 first, and then the telescopic rod 20 must be separated from the support 31, so as to realize the rotation of the right end plate 3;

[0029] The left end plate 2 is provided with a first edge 7, and a plurality of first handles 8 are provided on the periphery of the first edge 7. A plurality of first arc guide grooves 9 are provided on the inner edge of the first edge 7. A first opening 10 is provided on the inner side of the first edge 7 and at one end of each first arc guide groove 9. The left protrusion 5 corresponds to the first arc guide groove 9 one by one, and the first opening 10 matches the left protrusion 5. The left protrusion 5 and the first arc guide groove 9 are slidably matched. The left end plate 2 is connected to the left end of the cabinet 1 through the cooperation of the left protrusion 5 and the first arc guide groove 9. The first edge 7 is wrapped around the outer surface of the left end of the cabinet 1. The left end plate 2 is provided with an observation port 17, and the inside of the cabinet 1 can be observed through the observation port 17.

[0030] The right side end plate 3 is provided with a second surrounding edge 11, and a plurality of second handles 12 are provided on the periphery of the second surrounding edge 11. A plurality of second arc guide grooves 13 are provided on the inner edge of the second surrounding edge 11. A second opening 14 is provided on the inner side of the second surrounding edge 11 and at one end of each second arc guide groove 13. The right side protrusion 6 corresponds to the second arc guide groove 13 one by one, and the second opening 14 matches the right side protrusion 6. The right side protrusion 6 and the second arc guide groove 13 are slidably matched. The right side end plate 3 is connected to the right end of the cabinet 1 through the cooperation of the right side protrusion 6 and the second arc guide groove 13. The second surrounding edge 11 is wrapped around the outer surface of the right end of the cabinet 1. The right side end plate 3 is provided with a liquid level gauge 18 and a manhole 19. The liquid level gauge 18 is connected to a telescopic rod 20. Through the cooperation of the liquid level gauge 18 and the telescopic rod 20, the detection of the airbag 29 is realized;

[0031] The left-side protrusion 5 and the right-side protrusion 6 at the top are both provided with positioning holes 15, and the top ends of the first surrounding edge 7 and the second surrounding edge 11 are both provided with latch holes 16. The positioning hole 15 of the left-side protrusion 5 at the top corresponds to the latch hole 16 at the top end of the first surrounding edge 7 and is matched through the positioning pin 4, and the positioning hole 15 of the right-side protrusion 6 at the top corresponds to the latch hole 16 at the top end of the second surrounding edge 11 and is matched through the positioning pin 4.

[0032] Installation method and use principle: First, place the capsule 29 in the cabinet 1, and connect the interface at the bottom of the capsule 29 to the main connecting pipe 21, then match the first opening 10 of the left end plate 2 with the left protrusion 5 one by one and press the left end plate 2 on the left end of the cabinet 1, then rotate the left end plate 2 through the first handle 8, and make the left protrusion 5 slide into each corresponding first arc guide groove 9, then pass the positioning pin 4 through the latch hole 16 of the first surrounding edge 7 and insert it into the positioning hole 15 of the top left protrusion 5, at this time, the left end plate 2 cannot rotate. Then, match the second opening 14 of the right end plate 3 with the right protrusion 6 one by one and press the right end plate 3 on the right end of the cabinet 1, then rotate the right end plate 3 through the second handle 12, and make the right protrusion 6 slide into each corresponding second arc guide groove 13, then pass the positioning pin 4 through the latch hole 16 of the first surrounding edge and insert it into the positioning hole 15 of the top right protrusion 6, at this time, the right end plate 3 cannot rotate, and the installation of the end plate is completed. The operator enters through the manhole 19, connects the telescopic rod 20 of the level gauge 18 to the support 31 at the top of the airbag through the pin, and then connects the hose 32 to the exhaust pipe valve 30 and the vent plug 28 to complete the installation. When removing the end plate, first separate the telescopic rod 20 from the support 31, then separate the hose 32 from the exhaust pipe valve 30, then pull out the positioning pin 4, and rotate the left end plate 2 and the right end plate 3 to remove them. The utility model has a reasonable structure. The two ends of the cabinet body 1 are respectively provided with a left-side protrusion 5 and a right-side protrusion 6. The left-side end plate 2 and the right-side end plate 3 cooperate with the left-side protrusion 5 and the right-side protrusion 6 respectively through arc guide grooves. When the left-side protrusion 5 enters the first arc guide groove 9 through the first opening 10, the left-side end plate 2 is rotated to complete the installation of the left-side end plate 2. When the right-side protrusion 6 enters the second arc guide groove 13 through the second opening 14, the right-side end plate 3 is rotated to complete the installation of the right-side end plate 3. At the same time, the left-side end plate 2 and the right-side end plate 3 are fixed by the locating pin 4, so that the left-side end plate 2 and the right-side end plate 3 will not loosen, there is no need to tighten them with bolts and nuts, there is no need to align the holes, the installation difficulty is reduced, on the one hand, the cost is saved, and on the other hand, the efficiency of end plate installation and disassembly is improved.

[0033] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0034] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An end plate connection structure of an internal oil capsule oil storage cabinet, characterized in that: It comprises a cabinet body (1), a left end plate (2), a right end plate (3) and a positioning pin (4); The outer surfaces of both ends of the cabinet (1) are respectively provided with a plurality of left-side protrusions (5) and right-side protrusions (6); The left end plate (2) is provided with a first edge (7), a plurality of first handles (8) are provided on the periphery of the first edge (7), a plurality of first arc-shaped guide grooves (9) are provided on the inner edge of the first edge (7), a first opening (10) is provided on the inner side of the first edge (7) and at one end of each first arc-shaped guide groove (9), the left protrusion (5) corresponds to the first arc-shaped guide groove (9) one by one, the first opening (10) matches the left protrusion (5), the left protrusion (5) and the first arc-shaped guide groove (9) are slidably matched, the left end plate (2) is connected to the left end of the cabinet body (1) through the matching of the left protrusion (5) and the first arc-shaped guide groove (9), and the first edge (7) is wrapped around the outer surface of the left end of the cabinet body (1); The right side end plate (3) is provided with a second edge (11), a plurality of second handles (12) are provided on the periphery of the second edge (11), a plurality of second arc-shaped guide grooves (13) are provided on the inner edge of the second edge (11), a second opening (14) is provided on the inner side of the second edge (11) and at one end of each second arc-shaped guide groove (13), the right side protrusion (6) corresponds to the second arc-shaped guide groove (13) one by one, the second opening (14) matches the right side protrusion (6), the right side protrusion (6) and the second arc-shaped guide groove (13) are slidably matched, the right side end plate (3) is connected to the right end of the cabinet body (1) through the matching of the right side protrusion (6) and the second arc-shaped guide groove (13), and the second edge (11) is wrapped around the outer surface of the right end of the cabinet body (1); The left protrusion (5) and the right protrusion (6) located at the top are both provided with positioning holes (15), and the top ends of the first surrounding edge (7) and the second surrounding edge (11) are both provided with latch holes (16). The positioning hole (15) of the left protrusion (5) located at the top corresponds to the latch hole (16) at the top end of the first surrounding edge (7) and is engaged through a positioning pin (4), and the positioning hole (15) of the right protrusion (6) located at the top corresponds to the latch hole (16) at the top end of the second surrounding edge (11) and is engaged through a positioning pin (4).

2. The end plate connection structure of the internal oil capsule storage cabinet according to claim 1 is characterized in that: The left end plate (2) is provided with an observation port (17).

3. The end plate connection structure of the internal oil capsule oil storage cabinet according to claim 1 is characterized in that: The right side end plate (3) is provided with a liquid level meter (18) and a manhole (19), and the liquid level meter (18) is connected to a telescopic rod (20).

4. The end plate connection structure of the internal oil capsule storage cabinet according to claim 1 is characterized in that: A main connecting pipe (21) and a supporting frame (22) are arranged at the bottom of the cabinet (1), and both sides of the main connecting pipe (21) are respectively connected with a vacuum extraction port (23) and an oil filling and discharge port (24).

5. The end plate connection structure of the internal oil capsule storage cabinet according to claim 1 is characterized in that: The cabinet (1) is provided with a lifting seat (25), a lifting lug (26) and a breathing port (27) on the top, and a venting plug (28) is provided on the upper surface of the lifting seat (25). A capsule (29) is provided inside the cabinet (1), and the bottom of the capsule (29) is communicated with the main connecting pipe (21). The upper surface of the capsule (29) is provided with an exhaust pipe valve (30) and a support (31). The exhaust pipe valve (30) is connected to the venting plug (28) through a hose (32), and the support (31) is rotatably connected to the end of the telescopic rod (20) away from the liquid level meter (18) through a pin shaft.