Maintenance cover plate convenient to open and close

Abstract

The utility model relates to the technical field of access port cover plates of dry type transformers, in particular to an access cover plate convenient to open and close, which comprises a box body unit, a shell component, an unlocking component arranged on one side of the shell component, and a baffle component arranged in the shell component, the power unit comprises a locking assembly arranged in the shell assembly, a transmission assembly arranged at one end of the locking assembly and a lifting assembly arranged in the shell assembly, the ground wire access hole can be rapidly opened, meanwhile, the effect of limiting a baffle at the ground wire access hole can be achieved, and the service life of the ground wire access hole is prolonged. In this way, the operation of the maintainer during ground wire maintenance is facilitated, and the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformer maintenance cover plates, in particular to a maintenance cover plate which is easy to open and close. Background Art

[0002] After the dry-type transformer is powered off for maintenance, a set of three-phase short-circuit grounding wires must be hung on its high-voltage side and low-voltage side respectively. In response to the requirements of building beautiful electromechanical, the grounding wires usually pass through the dry-type transformer maintenance port to avoid the grounding wires being exposed. Dry-type transformers usually have two maintenance ports on the high-voltage side and the low-voltage side. The maintenance port cover is connected to the transformer casing by bolts to ensure that the casing is completely closed and the maintenance port cover is fixedly connected to the casing during normal operation of the transformer to avoid abnormal noise due to unstable connection or foreign objects falling into the transformer body:

[0003] The opening and closing process of the dry-type transformer inspection port cover involves the disassembly and assembly of bolts, and when the three-phase short-circuit grounding wire is hung, the cover cannot be fixed after the existing inspection port is opened, causing trouble for the disassembly and assembly of the grounding wire. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problem in the above-mentioned prior art that the opening and closing process of the dry-type transformer inspection port cover involves the disassembly and assembly of bolts, and when the three-phase short-circuit grounding wire is hung, the cover cannot be fixed after the existing inspection port is opened, which causes troubles in the disassembly and assembly of the grounding wire, the present utility model is proposed.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a box unit includes a shell assembly, an unlocking assembly arranged on one side of the shell assembly, and a baffle assembly arranged inside the shell assembly;

[0007] The power unit comprises a locking assembly arranged inside the housing assembly, a transmission assembly arranged at one end of the locking assembly, and a lifting assembly arranged inside the housing assembly.

[0008] As a preferred solution of the utility model, a maintenance cover that is easy to open and close, wherein: the shell assembly includes an outer shell arranged on one side of the unlocking assembly, heat dissipation holes arranged on both sides of the outer shell, a group of protective doors arranged on one side of the outer shell, and an air outlet arranged on the top of the outer shell.

[0009] As a preferred solution of the utility model for an inspection cover that is easy to open and close, the unlocking component includes a hexagonal block arranged on one side of the shell, a cylinder arranged at one end of the hexagonal block, a connecting column arranged on the outside of the cylinder, and a handle arranged on the outside of the connecting column.

[0010] As a preferred solution of the utility model for an inspection cover that is easy to open and close, the baffle assembly includes a sliding cover arranged on the inner side of the shell, a limit block arranged on the top of the sliding cover, an arc groove arranged on one side of the limit block, and a group of first magnets arranged at the bottom of the sliding cover.

[0011] As a preferred solution of the utility model, a maintenance cover that is easy to open and close, the locking assembly includes a limiting ring arranged on the inner side of the shell assembly, a connecting ring arranged on the inner side of the limiting ring, a connecting rod arranged at one end of the connecting ring, a hexagonal hole arranged at one end of the connecting rod, a connecting plate arranged at the other end of the connecting rod, and a locking rod arranged on the outer side of the connecting plate.

[0012] As a preferred solution of the utility model for an inspection cover that is easy to open and close, the transmission assembly includes a rotating rod arranged inside the housing assembly, a fixed rod arranged at one end of the connecting rod, a driving gear arranged outside the fixed rod, a first driven gear arranged on the outer wall of the rotating rod, a second driven gear arranged outside the rotating rod, and a synchronous belt arranged outside the driving gear and the first driven gear.

[0013] As a preferred solution of the utility model for an inspection cover that is easy to open and close, the lifting assembly includes a lifting rod arranged inside the shell assembly, a rack arranged on the outside of the lifting rod, a mounting plate arranged on the outside of the lifting rod, and a group of second magnets arranged on the top of the mounting plate.

[0014] As a preferred solution of the utility model for an easy-to-open and close inspection cover, a shaped slider is fixedly installed on one side of the lifting rod, a shaped slide groove is opened on one side inside the shell component, and the shaped slider is slidably installed inside the shaped slide groove.

[0015] As a preferred solution of the utility model for an easy-to-open and close inspection cover, a limiting hole is provided inside the shell component, and one end of the rotating rod is embedded in the limiting hole.

[0016] As a preferred solution of the utility model for an easy-to-open and -close inspection cover, the hexagonal hole is adapted to the hexagonal block.

[0017] The utility model has the beneficial effects of the easy-to-open and close inspection cover: the unlocking component unlocks the baffle component inside the shell component, and at the same time the unlocking component drives the locking component to rotate, the rotation of the locking component drives the transmission component to rotate, the transmission component transmits power to the lifting component, controls the lifting and lowering of the lifting component, and the lifting component lifts the baffle component, so that the inspection hole can be opened, and at the same time, the baffle component can be limited, which facilitates the user's operation during maintenance, can quickly open the inspection hole, and further improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 The present invention is a schematic diagram of the overall structure of an inspection cover that is easy to open and close.

[0020] Figure 2 The utility model is a specific structural schematic diagram of an inspection cover plate which is easy to open and close.

[0021] Figure 3 The present invention is a schematic diagram of the structure of an unlocking component of an inspection cover that is easy to open and close.

[0022] Figure 4 The present invention is a schematic diagram of the structure of a baffle assembly of an inspection cover that is easy to open and close.

[0023] Figure 5 The present invention is a schematic diagram of the structure of a transmission component of an inspection cover that is easy to open and close. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Example 1

[0028] Reference Figure 1 to Figure 4 , which is the first embodiment of the utility model. This embodiment provides an inspection cover that is easy to open and close, which can quickly open the ground wire inspection hole and at the same time can limit the baffle at the ground wire inspection opening, which facilitates the operation of maintenance personnel when performing ground wire maintenance and can improve work efficiency.

[0029] Specifically, the box unit 100 includes a housing assembly 101, an unlocking assembly 102 disposed on one side of the housing assembly 101, and a baffle assembly 103 disposed inside the housing assembly 101;

[0030] The power unit 200 includes a locking assembly 201 disposed inside the housing assembly 101 , a transmission assembly 202 disposed at one end of the locking assembly 201 , and a lifting assembly 203 disposed inside the housing assembly 101 .

[0031] It should be noted that the shell assembly 101 is slidably connected to the unlocking assembly 102, the shell assembly 101 is slidably connected to the baffle assembly 103, the locking assembly 201 is fixedly connected to the shell assembly 101, the transmission assembly 202 is fixedly connected to the locking assembly 201, the transmission assembly 202 is rotatably connected to the shell assembly 101, and the lifting assembly 203 is slidably connected to the shell assembly 101.

[0032] When in use, the unlocking component 102 is inserted into the locking component 201, and the unlocking component 102 is further rotated. The unlocking component 102 drives the locking component 201 to rotate, thereby releasing the limiting and locking of the baffle component 103 by the locking component 201. At the same time, the locking component 201 drives the transmission component 202 to rotate during the rotation process. The transmission component 202 drives the lifting component 203 to lift and lower through engagement. The lifting component 203 controls the lifting and lowering of the baffle component 103, so that the ground wire inspection hole can be quickly opened.

[0033] In summary, a beneficial effect of an inspection cover that is easy to open and close is that the baffle assembly 103 inside the shell assembly 101 is unlocked by the unlocking assembly 102, and at the same time, the unlocking assembly 102 drives the locking assembly 201 to rotate, and the rotation of the locking assembly 201 drives the transmission assembly 202 to rotate, and the transmission assembly 202 transmits power to the lifting assembly 203, controls the lifting and lowering of the lifting assembly 203, and the lifting assembly 203 lifts the baffle assembly 103, so that the inspection hole can be opened, and at the same time, it can also have a limiting effect on the baffle assembly 103, which facilitates the user's operation during maintenance, can quickly open the inspection hole, and further improves work efficiency.

[0034] Example 2

[0035] Reference Figure 1 to Figure 4 , which is the second embodiment of the utility model, provides an inspection cover that is easy to open and close, which can quickly open the ground wire inspection hole and at the same time can limit the baffle at the ground wire inspection opening, which facilitates the operation of maintenance personnel when performing ground wire maintenance and can improve work efficiency.

[0036] Specifically, the box unit 100 includes a housing assembly 101, an unlocking assembly 102 disposed on one side of the housing assembly 101, and a baffle assembly 103 disposed inside the housing assembly 101;

[0037] The power unit 200 includes a locking assembly 201 disposed inside the housing assembly 101 , a transmission assembly 202 disposed at one end of the locking assembly 201 , and a lifting assembly 203 disposed inside the housing assembly 101 .

[0038] It should be noted that the shell assembly 101 is slidably connected to the unlocking assembly 102, the shell assembly 101 is slidably connected to the baffle assembly 103, the locking assembly 201 is fixedly connected to the shell assembly 101, the transmission assembly 202 is fixedly connected to the locking assembly 201, the transmission assembly 202 is rotatably connected to the shell assembly 101, and the lifting assembly 203 is slidably connected to the shell assembly 101.

[0039] Furthermore, the shell assembly 101 includes a shell 101a arranged on one side of the unlocking assembly 102, heat dissipation holes 101b arranged on both sides of the shell 101a, a group of protective doors 101c arranged on one side of the shell 101a, and air outlet holes 101d arranged on the top of the shell 101a, wherein the heat dissipation holes 101b pass through the shell 101a, the protective door 101a is hinged to the shell 101a, and the air outlet holes 101d pass through the shell 101a.

[0040] Furthermore, the unlocking assembly 102 includes a hexagonal block 102a arranged on one side of the outer shell 101a, a cylinder 102b arranged at one end of the hexagonal block 102a, a connecting column 102c arranged on the outside of the cylinder 102b, and a handle 102d arranged on the outside of the connecting column 102c, wherein the hexagonal block 102a is fixedly connected to the cylinder 102b, the cylinder 102b is fixedly connected to the connecting column 102c, and the connecting column 102c is fixedly connected to the handle 102d.

[0041] Furthermore, the baffle assembly 103 includes a sliding cover 103a arranged on the inner side of the outer shell 101a, a limiting block 103b arranged on the top of the sliding cover 103a, an arc groove 103c arranged on one side of the limiting block 103b, and a group of first magnets 103d arranged at the bottom of the sliding cover 103a, wherein the sliding cover 103a is fixed to the limiting block 103b, and the first magnet 103d is fixedly connected to the sliding cover 103a.

[0042] Furthermore, the locking assembly 201 includes a limiting ring 201a arranged on the inner side of the shell assembly 101, a connecting ring 201b arranged on the inner side of the limiting ring 201a, a connecting rod 201c arranged at one end of the connecting ring 201b, a hexagonal hole 201d arranged at one end of the connecting rod 201c, a connecting plate 201e arranged at the other end of the connecting rod 201c, and a locking rod 201f arranged on the outer side of the connecting plate 201e, wherein the connecting ring 201a is fixedly connected to the outer shell 101a, the limiting ring 201a is rotatably connected to the connecting ring 201b, the connecting rod 201c is fixedly connected to the connecting plate 201e, and the connecting plate 201e is fixedly connected to the locking rod 201g.

[0043] Furthermore, the transmission assembly 202 includes a rotating rod 202a arranged inside the housing assembly 101, a fixed rod 202b arranged at one end of the connecting rod 201c, a driving gear 202c arranged on the outside of the fixed rod 202b, a first driven gear 202d arranged on the outside of the rotating rod 202a, a second driven gear 202e arranged on the outside of the rotating rod 202a, and a synchronous belt 202f arranged on the outside of the driving gear 202c and the first driven gear 202d, wherein the rotating rod 202a is fixedly connected to the first driven gear 202d and the second driven gear 202e, the fixed rod 202b is fixedly connected to the driving gear 202c, and the synchronous belt 202f is meshed and connected to the driving gear 202c and the first driven gear 202d.

[0044] Furthermore, the lifting assembly 203 includes a lifting rod 203a arranged inside the shell assembly 101, a rack 203b arranged on the outside of the lifting rod 203a, a mounting plate 203c arranged on the outside of the lifting rod 203a, and a group of second magnets 203d arranged on the top of the mounting plate 203c, wherein the lifting rod 203a is slidingly connected to the outer shell 101a, the lifting rod 203a is fixedly connected to the rack 203, the mounting plate 203c is fixedly connected to the lifting rod 203a, and the mounting plate 203c is fixedly connected to the second magnet 203d.

[0045] It should be noted that the second driven gear 202e is meshedly connected with the rack 203b, the magnetic poles of the first magnet 103d and the second magnet 203d are the same, and the locking rod 201f is adapted to the arc groove 103c.

[0046] Furthermore, a T-shaped slider is fixedly installed on one side of the lifting rod 203a, and a T-shaped slide groove is opened on one side inside the housing component 101, and the T-shaped slider is slidably installed inside the T-shaped slide groove.

[0047] Furthermore, a limiting hole is provided inside the housing assembly 101, and one end of the rotating rod 202a is embedded in the limiting hole.

[0048] Furthermore, the hexagonal hole 201d is adapted to fit the hexagonal block 102a.

[0049] When in use, the user holds the handle 102d, inserts the connecting column 102c and the hexagonal block 102a into the connecting ring 201b and the hexagonal hole 201d, and embeds the hexagonal block 102a into the hexagonal hole 201d. The user further rotates the handle 102d clockwise, and the handle 102d drives the cylinder 102b to rotate, and the cylinder 102b drives the connecting column 102c to rotate, and the connecting column 102c drives the inside of the hexagonal block 102a. The hexagonal block 102a drives the connecting rod 201c to rotate, and the connecting rod 201c drives the connecting plate 201e to rotate, and the connecting plate 201e drives the locking rod 201f to rotate, and the locking rod 201f disengages from the inside of the arc groove 103c. The connecting rod 201c further drives the fixing rod 202b to rotate, and the fixing rod 202b drives the driving gear 202c to rotate, and the driving gear 202c is turned. The synchronous belt 202f is driven to rotate through meshing, and the synchronous drive 202f drives the first driven gear 202d to rotate, the first driven gear 202d drives the rotating rod 202a to rotate, and the rotating rod 202a drives the second driven gear 202e to rotate, and the second driven gear 202e drives the rack 203b to move downward through meshing, the rack 203b drives the lifting rod 203a to move downward, the lifting rod 203a drives the mounting plate 203c to move downward, and the mounting plate 203c drives the second magnet 203d to move downward, the distance between the second magnet 203d and the first magnet 103d becomes longer, the distance between the second magnet 203d and the first magnet 103d becomes longer, the repulsive force is weakened, and at the same time, the sliding cover 103a moves downward under the action of gravity, and at the same time, the sliding cover 103a drives the limit block 103b to move downward to open the inspection hole.

[0050] In summary, a beneficial effect of an inspection cover that is easy to open and close is that the baffle assembly 103 inside the shell assembly 101 is unlocked by the unlocking assembly 102, and at the same time, the unlocking assembly 102 drives the locking assembly 201 to rotate, and the rotation of the locking assembly 201 drives the transmission assembly 202 to rotate, and the transmission assembly 202 transmits power to the lifting assembly 203, controls the lifting and lowering of the lifting assembly 203, and the lifting assembly 203 lifts the baffle assembly 103, so that the inspection hole can be opened, and at the same time, it can also have a limiting effect on the baffle assembly 103, which facilitates the user's operation during maintenance, can quickly open the inspection hole, and further improves work efficiency.

[0051] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in the application (access panels that facilitate opening and closing, mounting arrangements, use of materials, changes in color, orientation, etc.). For example, the elements shown as integrally formed may be composed of multiple parts or elements, the positions of the elements may be inverted or otherwise changed, and the properties or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0052] Additionally, in order to provide a concise description of an exemplary embodiment, all features of an actual embodiment may not be described to facilitate opening and closing of the access cover.

[0053] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or 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 inspection cover that is easy to open and close, characterized in that: include, A box unit (100) comprises a housing component (101), an unlocking component (102) arranged on one side of the housing component (101), and a baffle component (103) arranged inside the housing component (101); The power unit (200) comprises a locking assembly (201) arranged inside the housing assembly (101), a transmission assembly (202) arranged at one end of the locking assembly (201), and a lifting assembly (203) arranged inside the housing assembly (101).

2. The easy-to-open and close inspection cover according to claim 1, characterized in that: The housing component (101) comprises a shell (101a) arranged on one side of the unlocking component (102), heat dissipation holes (101b) arranged on both sides of the shell (101a), a group of protective doors (101c) arranged on one side of the shell (101a), and an air outlet (101d) arranged on the top of the shell (101a).

3. The easy-to-open and -close inspection cover according to claim 2, characterized in that: The unlocking assembly (102) comprises a hexagonal block (102a) arranged on one side of the housing (101a), a cylinder (102b) arranged at one end of the hexagonal block (102a), a connecting column (102c) arranged on the outside of the cylinder (102b), and a handle (102d) arranged on the outside of the connecting column (102c).

4. The easy-to-open and -close inspection cover according to claim 3, characterized in that: The baffle assembly (103) comprises a sliding cover (103a) arranged on the inner side of the housing (101a), a limiting block (103b) arranged on the top of the sliding cover (103a), an arc-shaped groove (103c) arranged on one side of the limiting block (103b), and a group of first magnets (103d) arranged on the bottom of the sliding cover (103a).

5. The easy-to-open and close inspection cover according to any one of claims 1 to 4, characterized in that: The locking assembly (201) comprises a limiting ring (201a) arranged on the inner side of the housing assembly (101), a connecting ring (201b) arranged on the inner side of the limiting ring (201a), a connecting rod (201c) arranged on one end of the connecting ring (201b), a hexagonal hole (201d) arranged on one end of the connecting rod (201c), a connecting plate (201e) arranged on the other end of the connecting rod (201c), and a locking rod (201f) arranged on the outer side of the connecting plate (201e).

6. The easy-to-open and -close inspection cover according to claim 5, characterized in that: The transmission assembly (202) comprises a rotating rod (202a) arranged inside the housing assembly (101), a fixed rod (202b) arranged at one end of the connecting rod (201c), a driving gear (202c) arranged outside the fixed rod (202b), a first driven gear (202d) arranged on the outer wall of the rotating rod (202a), a second driven gear (202e) arranged outside the rotating rod (202a), and a synchronous belt (202f) arranged outside the driving gear (202c) and the first driven gear (202d).

7. The easy-to-open and -close inspection cover according to claim 5, characterized in that: The lifting assembly (203) comprises a lifting rod (203a) arranged inside the shell assembly (101), a rack (203b) arranged outside the lifting rod (203a), a mounting plate (203c) arranged outside the lifting rod (203a), and a group of second magnets (203d) arranged on the top of the mounting plate (203c).

8. The easy-to-open and -close inspection cover according to claim 7, characterized in that: A T-shaped slider is fixedly mounted on one side of the lifting rod (203a), a T-shaped slide groove is provided on one side inside the housing component (101), and the T-shaped slider is slidably mounted inside the T-shaped slide groove.

9. The easy-to-open and -close inspection cover according to claim 6, characterized in that: A limiting hole is provided inside the housing component (101), and one end of the rotating rod (202a) is embedded in the limiting hole.

10. The easy-to-open and -close inspection cover according to claim 5, characterized in that: The hexagonal hole (201d) is adapted to fit the hexagonal block (102a).

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