Precise lock plunger device of ring main unit

Abstract

The utility model discloses a ring main unit precision lock plunger device, which comprises a ring main unit main body, the front surface of the ring main unit main body is provided and connected with a lock plunger structure main body, the inner ring surface of the lock plunger structure main body is inserted with an extended bolt rod in a limiting manner, and the outer ring surface of the extended bolt rod is sleeved with a spring in a limiting manner. A fixing block is welded to the surface of the side edge of the lock bolt structure body, a nut is connected to the surface of the side edge of the fixing block in a limiting mode, and a threaded rod is inserted into the surface of the inner ring of the nut in a limiting mode. According to the device, the bolt rod structure is lengthened, so that a user can operate by standing on the ground without stepping on a stool to plug and pull a bolt when opening and closing a door, and the user needs to shift the lengthened bolt rod to the left side through a bolt rod push handle when opening the door, so that the lengthened bolt rod can be automatically bounced off; and when the door is closed, the extended bolt rod needs to be pushed upwards and then is shifted to the right side, and the cabinet door can be closed, so that a user can conveniently use and operate the lock bolt device.

Description

Technical Field

[0001] The utility model belongs to the technical direction of precision bolts, and particularly relates to a precision bolt device for a ring main unit cabinet. Background Art

[0002] A ring main unit cabinet is a set of power transmission and distribution electrical equipment installed in a metal or non-metal insulated cabinet or made into a prefabricated sectionalized ring main unit power supply unit. Its core part uses a load switch and a fuse, and has the advantages of simple structure, small volume, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution substations and box-type substations in load centers such as urban residential areas, high-rise buildings, large public buildings, and industrial enterprises. When users use the ring main unit cabinet, bolts are needed to ensure the opening and closing of the ring main unit cabinet.

[0003] The following problems exist in the prior art:

[0004] At present, the existing door bolts of the ring main unit cabinet on the market are relatively short, and the ring main unit cabinet is usually relatively high. Therefore, when users open and close the cabinet door, they need to step on a stool to insert and remove the bolt, which will increase the operation time of users and the danger of opening and closing the cabinet door.

[0005] 2. When the existing bolt device on the market is used for the ring main unit cabinet, there will be a problem of unlocking, which will cause damage to the internal structure of the ring main unit cabinet, thereby increasing the use cost of users. Content of the Utility Model

[0006] The purpose of the utility model is to provide a precision bolt device for a ring main unit cabinet for the existing device to solve the problems raised in the above background art.

[0007] To solve the above technical problems, the utility model provides the following technical solutions: A precision bolt device for a ring main unit cabinet, including a ring main unit cabinet body, a bolt structure main body is installed and connected to the front surface of the ring main unit cabinet body, and an extended bolt rod is limited and inserted on the inner ring surface of the bolt structure main body.

[0008] A spring is limited and sleeved on the outer ring surface of the extended bolt rod, a fixing block is welded to the side surface of the bolt structure main body, a nut is limited and connected to the side surface of the fixing block, and a threaded rod is limited and inserted on the inner ring surface of the nut.

[0009] A limiting rod is limited and inserted on the side surface of the bolt structure main body, a protective limiting plate is movably clamped on the outer ring surface of the limiting rod, a pull ring is welded to the front surface of the protective limiting plate, and a bolt rod push handle is fixedly connected to the side surface of the extended bolt rod.

[0010] The present utility model is further described as follows. A knob handle is limitedly clamped on the side surface of the threaded rod, and the knob handle is connected between the threaded rod and the nut.

[0011] Adopting the above technical solution, the knob handle connected between the threaded rod and the nut in this solution can facilitate the user to perform convenient operation on the threaded rod.

[0012] The present utility model is further described as follows. A clamping opening is formed on the side surface of the bolt structure main body, and the clamping opening and the push handle of the bolt rod are mutually fitted in structure.

[0013] Adopting the above technical solution, the clamping opening that is mutually fitted in structure with the push handle of the bolt rod in this solution can facilitate the user to perform clamping connection on the push handle of the bolt rod.

[0014] The present utility model is further described as follows. The nut is connected to the bolt structure main body through a fixing block, and the fixing blocks are symmetrically arranged with respect to the vertical midline of the nut.

[0015] Adopting the above technical solution, the fixing blocks that are symmetrically arranged with respect to the vertical midline of the nut in this solution can facilitate the user to stably install the nut on the bolt structure main body.

[0016] The present utility model is further described as follows. An installation block is limitedly clamped on the front surface of the bolt structure main body, and the number of installation blocks is multiple.

[0017] Adopting the above technical solution, the multiple installation blocks in this solution can facilitate the user to install the bolt structure main body on the ring main unit main body.

[0018] The present utility model is further described as follows. A plugging opening is formed on the front surface of the bolt structure main body, and the plugging opening and the protective limiting plate are mutually matched in size.

[0019] Adopting the above technical solution, the plugging opening that is mutually matched in size with the protective limiting plate in this solution can facilitate the user to perform plugging and limiting on the protective limiting plate.

[0020] Compared with the prior art, the beneficial effects achieved by the present utility model are:

[0021] The utility model provides a precision bolt device for a ring main unit, and through the mutual cooperation and use of the bolt structure main body, knob handle, extended bolt rod, ring main unit body, spring, bolt rod push handle, clamping opening, protective limit plate, limit rod, pull ring, insertion opening, mounting block, fixing block, nut, threaded rod and knob handle, by extending the bolt rod structure, it is no longer necessary to step on a stool to insert and remove the bolt when opening and closing the cabinet door, and the operation can be carried out standing on the ground. When the user opens the door, the extended bolt rod needs to be pushed to the left through the bolt rod push handle, and then the extended bolt rod will automatically pop open. When closing the door, the extended bolt rod needs to be pushed upward and then to the right, and the cabinet door can be closed. In this way, it is convenient for the user to operate the bolt device conveniently, meeting the user's need for convenient operation;

[0022] The utility model provides a precision bolt device for a ring main unit, and through the provided knob handle, after the user turns the knob handle, the user needs to remove the head of the threaded rod clamped on the protective limit plate, and then the user can open the protective limit plate along the limit rod through the pull ring, so that the user can operate and lock the bolt rod push handle and the extended bolt rod. In this way, the user can use and protect the bolt device, preventing the occurrence of bolt detachment and meeting the user's need for use protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0024] Figure 1 is a schematic diagram of the locking structure of the extended bolt rod of the present utility model;

[0025] Figure 2 is a schematic diagram of the opening structure of the extended bolt rod of the present utility model;

[0026] Figure 3 is a side view of the structure of the present utility model;

[0027] Figure 4 is of the present utility model Figure 1 enlarged view of the structure at A therein;

[0028] Figure 5 is of the present utility model Figure 2 enlarged view of the structure at B therein;

[0029] Figure 6 is of the present utility model Figure 3 enlarged view of the structure at C therein.

[0030] In the figure: 1. Main body of the bolt structure; 2. Knob handle; 3. Extended bolt rod; 4. Main body of the ring main unit; 5. Spring; 6. Bolt rod push handle; 7. Clamping opening; 8. Protective limit plate; 9. Limit rod; 10. Pull ring; 11. Insertion opening; 12. Mounting block; 13. Fixed block; 14. Nut; 15. Threaded rod. Detailed implementation mode

[0031] The technical solution of the present utility model will be further described in detail and non - restrictively below in conjunction with the preferred embodiments and their attached drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work belong to the scope of protection of the present utility model.

[0032] Please refer to Figures 1-6 , the present utility model provides a technical solution: a precision bolt device for a ring main unit, including the main body 4 of the ring main unit. The front surface of the main body 4 of the ring main unit is fixedly connected with the main body 1 of the bolt structure. The inner surface of the main body 1 of the bolt structure is limitedly inserted with an extended bolt rod 3, and the outer surface of the extended bolt rod 3 is limitedly sleeved with a spring 5.

[0033] In this embodiment, the side surface of the threaded rod 15 is limitedly clamped with a knob handle 2, and the knob handle 2 is connected between the threaded rod 15 and the nut 14. The knob handle 2 connected between the threaded rod 15 and the nut 14 can facilitate the user to perform convenient operation on the threaded rod 15. A clamping opening 7 is provided on the side surface of the main body 1 of the bolt structure, and the clamping opening 7 and the bolt rod push handle 6 are mutually compatible in structure. The clamping opening 7 that is mutually compatible in structure with the bolt rod push handle 6 can facilitate the user to perform a clamping connection on the bolt rod push handle 6.

[0034] As Figures 1-6 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: preferably, a fixed block 13 is welded on the side surface of the main body 1 of the bolt structure. The side surface of the fixed block 13 is limitedly connected with a nut 14, and the inner surface of the nut 14 is limitedly inserted with a threaded rod 15.

[0035] In this embodiment, the nut 14 is connected to the main body 1 of the bolt structure through the fixed block 13, and the fixed block 13 is symmetrically arranged with respect to the vertical center line of the nut 14. The fixed block 13 that is symmetrically arranged with respect to the vertical center line of the nut 14 can facilitate the user to stably install the nut 14 on the main body 1 of the bolt structure. The front surface of the main body 1 of the bolt structure is limitedly clamped with mounting blocks 12, and the number of the mounting blocks 12 is multiple. The multiple mounting blocks 12 can facilitate the user to install the main body 1 of the bolt structure on the main body 4 of the ring main unit.

[0036] As Figures 1-6 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, a limiting rod 9 is inserted and limited on the side surface of the main body 1 of the bolt structure, and a protective limiting plate 8 is movably clamped on the outer surface of the limiting rod 9. A pull ring 10 is welded on the front surface of the protective limiting plate 8, and a bolt rod push handle 6 is fixedly connected to the side surface of the extended bolt rod 3.

[0037] In this embodiment, a plugging opening 11 is formed on the front surface of the bolt structure main body 1, and the sizes between the plugging opening 11 and the protective limiting plate 8 match each other. The plugging opening 11 with a size matching that of the protective limiting plate 8 can facilitate the user to perform plugging and limiting on the protective limiting plate 8.

[0038] As Figures 1-6 shown, when the user needs to use it, by extending the bolt rod structure, there is no need to step on a stool to insert and remove the bolt when opening and closing the cabinet door, and the operation can be performed standing on the ground. When the user opens the door, the extended bolt rod 3 needs to be pushed to the left through the bolt rod push handle 6, so that the extended bolt rod 3 will automatically pop open. When closing the door, the extended bolt rod 3 needs to be pushed upward and then to the right, and the cabinet door can be closed. In this way, it can facilitate the user to perform convenient use operations on the bolt device. Thus, the user can perform convenient use operations, and by setting the knob handle 2, after the user twists the knob handle 2, the user needs to remove the head clamped on the protective limiting plate 8 by the threaded rod 15, and then the user can open the protective limiting plate 8 along the limiting rod 9 through the pull ring 10. In this way, the user can perform use operations and locking on the bolt rod push handle 6 and the extended bolt rod 3. Thus, the user can protect the bolt device from being unlocked, and the user can perform use protection.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0040] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting it. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Precision locking bolt device for ring main unit, including the ring main unit body (4), characterized in that: A bolt structure body (1) is mounted and connected to the front surface of the main body (4) of the ring main unit. An extended plug rod (3) is inserted and limited on the inner surface of the bolt structure body (1). A spring (5) is sleeved and limited on the outer surface of the extended plug rod (3). A fixing block (13) is welded to the side surface of the bolt structure body (1). A nut (14) is connected and limited to the side surface of the fixing block (13). A threaded rod (15) is inserted and limited on the inner surface of the nut (14). A limiting rod (9) is inserted and limited on the side surface of the bolt structure body (1). A protective limiting plate (8) is movably clamped on the outer surface of the limiting rod (9). A pull ring (10) is welded to the front surface of the protective limiting plate (8). A plug rod push handle (6) is fixedly connected to the side surface of the extended plug rod (3).

2. The precision locking bolt device for the ring main unit according to claim 1, wherein: A knob handle (2) is clamped and limited on the side surface of the threaded rod (15). The knob handle (2) is connected through the threaded rod (15) and the nut (14).

3. The precision locking bolt device for the ring main unit according to claim 1, wherein: A clamping opening (7) is formed on the side surface of the bolt structure body (1). The clamping opening (7) and the plug rod push handle (6) are in a mutually matching structure.

4. The precision locking bolt device for a ring main unit according to claim 1, characterized in that: The nut (14) is connected to the bolt structure body (1) through the fixing block (13). The fixing blocks (13) are symmetrically arranged with the vertical midline of the nut (14) as the axis of symmetry.

5. The precision locking bolt device for a ring main unit according to claim 1, wherein: A mounting block (12) is clamped and limited on the front surface of the bolt structure body (1). The number of the mounting blocks (12) is multiple.

6. The precision locking bolt device for the ring main unit according to claim 1, characterized in that: A plugging opening (11) is formed on the front surface of the bolt structure body (1). The plugging opening (11) and the protective limiting plate (8) are of mutually matching sizes.

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