Locking structure of high-voltage centrally-mounted switch cabinet

Abstract

The utility model discloses a locking structure of a high-voltage centrally-mounted switch cabinet. The locking structure comprises a cabinet body, a cabinet door, a locking ring and a locking device, wherein the front end of the cabinet body is provided with an opening; the cabinet door is arranged at the opening position of the cabinet body in a sliding manner; the lock ring is arranged on the cabinet body; the locking device is arranged on the cabinet door and used for being matched with the locking ring to fix the position of the cabinet door. Wherein the locking device comprises a mounting plate, a lock hook, an unlocking rod and a tension spring, the mounting plate is mounted on the cabinet door, the lock hook is hinged to the mounting plate, and the lock hook is used for being hung on the lock ring; one end of the tension spring is connected with the mounting plate, and the other end of the tension spring is connected with the hook; an arc-shaped groove is formed in the cabinet door, and the unlocking rod penetrates through the arc-shaped groove and is in sliding fit with the arc-shaped groove. The utility model aims to solve the problems that the manufacturing cost of a switch cabinet locking structure in the prior art is high, and the effect of a switch cabinet door is too low.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch cabinets, in particular to a locking structure of a high-voltage center-mounted switch cabinet. Background Art

[0002] High-voltage switchgear refers to electrical products used for power generation, transmission, power conversion and power consumption in power systems, and has functions of switching, controlling or protecting. The voltage level is between 3.6kV and 550kV. The main functional units include the main busbar room, circuit breaker room, cable room, relay and instrument room, etc. High-voltage switchgear is an important power distribution equipment in the power system. Its structure and composition meet the requirements of relevant national standards and are widely used in power generation, transmission and distribution.

[0003] The utility model patent with application number: CN201720499516.4 and publication number: CN206727516U (hereinafter referred to as "prior art 1") discloses a pull-out switch cabinet locking device, including a Z-shaped positioning piece, a drawer bottom plate, a guide rail, a turbine propulsion mechanism, and a circuit layer plate. The guide rails are arranged on both sides of the drawer unit and fixed on the switch cabinet body. A Z-shaped positioning piece is arranged at one end of the circuit layer plate, and a turbine propulsion mechanism is arranged at the other end. A drawer bottom plate is arranged on the side of the Z-shaped positioning piece close to the turbine propulsion mechanism, and a drawer bottom plate positioning groove is arranged on the drawer bottom plate. The switch cabinet body frame is connected by welding.

[0004] The specification of prior art 1 discloses a draw-out switch cabinet locking device. When in use, the drawer unit is fixed by a Z self-positioning member. However, in actual application, the cost of using a turbine propulsion mechanism is high and the efficiency of the switch cabinet door is low. Summary of the invention

[0005] The utility model provides a high-voltage center-mounted switch cabinet locking structure, aiming to solve the problems of high manufacturing cost of the switch cabinet locking structure in the prior art and low effect of the switch cabinet door.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A locking structure for a high-voltage central switch cabinet comprises a cabinet body, a cabinet door, a locking ring and a locking device, wherein the front end of the cabinet body is provided with an opening; the cabinet door is slidably arranged at the opening position of the cabinet body; the locking ring is arranged on the cabinet body; the locking device is arranged on the cabinet door and is used to cooperate with the locking ring to fix the position of the cabinet door;

[0008] Among them, the locking device includes a mounting plate, a lock hook, an unlocking rod and a tension spring. The mounting plate is installed on the cabinet door, the lock hook is hinged on the mounting plate, and the lock hook is used to hang on the lock ring; the unlocking rod is installed on the lock hook, one end of the tension spring is connected to the mounting plate, and the other end is connected to the hook; an arc groove is provided on the cabinet door, and the unlocking rod passes through the arc groove and slides with the arc groove.

[0009] Furthermore, the cabinet door is slidably matched with the cabinet body through a sliding assembly.

[0010] Furthermore, the sliding assembly includes a sliding groove arranged on the door frame of the cabinet door and a sliding rail arranged on the cabinet body, and the sliding groove and the sliding rail are slidably matched.

[0011] Furthermore, a protective cover is provided on the cabinet door, the mounting plate is arranged inside the protective cover, a clearance groove is provided on the protective cover, the position of the clearance groove corresponds to the position of the lock hook, and the lock hook is used to slide inside the clearance groove.

[0012] Furthermore, a mounting rod is provided on the mounting plate, a mounting hole is provided on the lock hook, one end of the tension spring is detachably connected to the mounting rod, and the other end is connected to the mounting hole.

[0013] Furthermore, a hinged rod is provided on the mounting plate, and the locking hook hinged rods are hinged to each other.

[0014] Furthermore, a rubber pad is provided on the bottom surface of the locking hook.

[0015] Furthermore, the locking ring is installed inside the cabinet through an L-shaped fixing plate.

[0016] Furthermore, a limit plate is also provided on the mounting plate, and the limit plate is used to contact the side surface of the lock hook.

[0017] Furthermore, a plurality of lifting ears are arranged above the cabinet.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model mainly comprises a cabinet body, a cabinet door, a lock ring and a locking device, and the front end of the cabinet body is provided with an opening; in actual use, when closing the cabinet door, the staff first needs to push the cabinet door to slide in the direction of the lock ring until the lock hook contacts the lock ring. Since the position of the lock ring is fixed, after the lock hook contacts the lock ring, the lock ring squeezes the lock hook, and the lock hook rotates on the mounting plate, and the tension spring is stretched. At this time, the unlocking rod slides inside the arc groove, and after the lock hook and the lock ring are buckled with each other, since the lock ring no longer squeezes the lock hook, the tension spring pulls the lock hook to reset, and when the lock hook is completely buckled on the lock ring, the cabinet door is locked; when the cabinet door needs to be opened, the staff needs to pull the unlocking rod so that the cabinet door can be opened after the lock buckle and the lock hook are unlocked; the advantage of such a setting is that the locking relationship between the cabinet door and the cabinet body can be stable, the cost is low, and the efficiency during locking is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the cabinet in the utility model.

[0022] Figure 2 It is a schematic diagram of the connection relationship between the locking device, the cabinet door and the cabinet body in the utility model.

[0023] Figure 3 It is a structural schematic diagram of the locking device in the utility model.

[0024] In the figure, 101-cabinet body, 102-cabinet door, 103-locking ring, 104-mounting plate, 105-lock hook, 106-unlocking rod, 107-tension spring, 108-arc groove, 109-protective cover, 110-yield groove, 111-mounting rod, 112-mounting hole, 113-hinged rod, 114-L-shaped fixing plate, 115-limiting plate, 116-lifting ear. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the embodiments, which are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in the field without creative work are all within the protection scope of the present invention.

[0026] See also Figure 1-Figure 3 As shown, this embodiment discloses a locking structure of a high-voltage central switch cabinet, comprising a cabinet body 101, a cabinet door 102, a locking ring 103 and a locking device, wherein the front end of the cabinet body 101 is provided with an opening; the cabinet door 102 is slidably arranged at the opening position of the cabinet body 101; the locking ring 103 is arranged on the cabinet body 101; the locking device is arranged on the cabinet door 102, and is used to cooperate with the locking ring 103 to fix the position of the cabinet door 102;

[0027] The locking device includes a mounting plate 104, a lock hook 105, an unlocking rod 106 and a tension spring 107. The mounting plate 104 is mounted on the cabinet door 102, the lock hook 105 is hinged on the mounting plate 104, and the lock hook 105 is used to hang on the lock ring 103; the unlocking rod 106 is mounted on the lock hook 105, one end of the tension spring 107 is connected to the mounting plate 104, and the other end is connected to the hook; an arc groove 108 is provided on the cabinet door 102, and the unlocking rod 106 passes through the arc groove 108 and slidably cooperates with the arc groove 108;

[0028] The utility model mainly comprises a cabinet body 101, a cabinet door 102, a lock ring 103 and a locking device. The front end of the cabinet body 101 is provided with an opening. In actual use, when closing the cabinet door 102, the staff first pushes the cabinet door 102 to slide in the direction of the lock ring 103 until the lock hook 105 contacts the lock ring 103. Since the position of the lock ring 103 is fixed, after the lock hook 105 contacts the lock ring 103, the lock ring 103 squeezes the lock hook 105, and the lock hook 105 rotates on the mounting plate 104, and the tension spring 107 is stretched. At this time, the unlocking rod 10 6 slides inside the arc groove 108, and after the lock hook 105 and the lock ring 103 are buckled with each other, since the lock ring 103 no longer presses the lock hook 105, the tension spring 107 pulls the lock hook 105 to reset. When the lock hook 105 is completely buckled on the lock ring 103, the cabinet door 102 is locked. When the cabinet door 102 needs to be opened, the staff needs to pull the unlocking rod 106 to unlock the lock buckle and the lock hook 105, and then the cabinet door 102 can be opened. The advantage of this arrangement is that the locking relationship between the cabinet door 102 and the cabinet body 101 can be stable, the cost is low, and the efficiency is higher when locking.

[0029] In some embodiments, the cabinet door 102 is slidably matched with the cabinet body 101 via a sliding assembly.

[0030] In actual use, the use of the sliding assembly can make the sliding between the cabinet door 102 and the cabinet body 101 smoother.

[0031] In some embodiments, the sliding assembly includes a sliding groove provided on the door frame of the cabinet door 102 and a sliding rail provided on the cabinet body 101 , and the sliding groove and the sliding rail are slidably matched.

[0032] In actual use, the main purpose of providing the slide rails and the slide grooves is to make the sliding between the cabinet door 102 and the cabinet body 101 more stable.

[0033] In some embodiments, a protective cover 109 is provided on the cabinet door 102, the mounting plate 104 is arranged inside the protective cover 109, and a clearance groove 110 is provided on the protective cover 109. The position of the clearance groove 110 corresponds to the position of the locking hook 105, and the locking hook 105 is used to slide inside the clearance groove 110.

[0034] In actual use, the main purpose of providing the protective cover 109 is to protect the lock hook 105 , the tension spring 107 and the mounting plate 104 .

[0035] In some embodiments, a mounting rod 111 is disposed on the mounting plate 104 , a mounting hole 112 is disposed on the locking hook 105 , one end of the tension spring 107 is detachably connected to the mounting rod 111 , and the other end is connected to the mounting hole 112 .

[0036] In actual use, the mounting rod 111 is also provided with mounting holes 112 , and the hooks at both ends of the tension spring 107 are installed inside the two mounting holes 112 .

[0037] In some embodiments, a hinge rod 113 is disposed on the mounting plate 104 , and the hinge rods 113 of the locking hooks 105 are hinged to each other.

[0038] In actual use, threads are arranged at intervals on the articulated rod 113, and a plurality of nuts are arranged on the articulated rod 113. The articulated rod 113 is arranged between two nuts and hinged at a smooth position on the articulated rod 113. The main function of setting the nuts is to raise the articulated rod 113 and limit the position of the articulated rod 113 at the same time.

[0039] In some embodiments, a rubber pad is disposed on the bottom surface of the locking hook 105 .

[0040] In actual use, the rubber pad is used to increase the sliding friction between the locking hook 105 and the locking ring 103 when they are in contact.

[0041] In some embodiments, the locking ring 103 is installed inside the cabinet 101 via an L-shaped fixing plate 114 .

[0042] In actual use, the L-shaped fixing plate 114 is provided to facilitate installation of the locking ring 103 .

[0043] In some embodiments, a limiting plate 115 is further disposed on the mounting plate 104 , and the limiting plate 115 is used to contact the side surface of the locking hook 105 .

[0044] In actual use, the limiting plate 115 is mainly used to limit the hinged rotation of the locking hook 105 .

[0045] In some embodiments, a plurality of lifting ears 116 are disposed above the cabinet 101 .

[0046] In actual use, the purpose of providing the lifting lug 116 is to facilitate the transportation and installation of the cabinet 101 .

[0047] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0048] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0049] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking structure for a high-voltage central switch cabinet, characterized in that: include: A cabinet (101), wherein the front end of the cabinet (101) is provided with an opening; A cabinet door (102), wherein the cabinet door (102) is slidably disposed at an opening position of the cabinet body (101); A locking ring (103), wherein the locking ring (103) is arranged on the cabinet (101); A locking device, the locking device being arranged on the cabinet door (102) and being used to cooperate with the locking ring (103) to fix the position of the cabinet door (102); The locking device comprises a mounting plate (104), a lock hook (105), an unlocking rod (106) and a tension spring (107); the mounting plate (104) is mounted on the cabinet door (102); the lock hook (105) is hinged on the mounting plate (104); the lock hook (105) is used to hang on the lock ring (103); the unlocking rod (106) is mounted on the lock hook (105); one end of the tension spring (107) is connected to the mounting plate (104) and the other end is connected to the hook; an arc groove (108) is provided on the cabinet door (102); the unlocking rod (106) passes through the arc groove (108) and is slidably matched with the arc groove (108).

2. A locking structure for a high-voltage central switch cabinet according to claim 1, characterized in that: The cabinet door (102) is slidably matched with the cabinet body (101) via a sliding assembly.

3. A locking structure for a high-voltage central switch cabinet according to claim 2, characterized in that: The sliding assembly comprises a sliding groove arranged on a door frame of a cabinet door (102) and a sliding rail arranged on a cabinet body (101), wherein the sliding groove and the sliding rail are slidably matched.

4. A high-voltage central switch cabinet locking structure according to claim 1, characterized in that: A protective cover (109) is provided on the cabinet door (102), the mounting plate (104) is arranged inside the protective cover (109), a clearance groove (110) is provided on the protective cover (109), the position of the clearance groove (110) corresponds to the position of the lock hook (105), and the lock hook (105) is used to slide inside the clearance groove (110).

5. The locking structure of a high-voltage central switch cabinet according to claim 1 is characterized in that: A mounting rod (111) is provided on the mounting plate (104), a mounting hole (112) is provided on the lock hook (105), one end of the tension spring (107) is detachably connected to the mounting rod (111), and the other end is connected to the mounting hole (112).

6. The locking structure of a high-voltage central switch cabinet according to claim 1 is characterized in that: A hinge rod (113) is provided on the mounting plate (104), and the locking hook (105) and the hinge rod (113) are hinged to each other.

7. The locking structure of a high-voltage central switch cabinet according to claim 1 is characterized in that: The bottom surface of the locking hook (105) is provided with a rubber pad.

8. The locking structure of a high-voltage central switch cabinet according to claim 1 is characterized in that: The locking ring (103) is installed inside the cabinet (101) via an L-shaped fixing plate.

9. The locking structure of a high-voltage central switch cabinet according to claim 1 is characterized in that: A limiting plate (115) is also provided on the mounting plate (104), and the limiting plate (115) is used to contact the side surface of the locking hook (105).

10. A locking structure for a high-voltage central switch cabinet according to claim 1, characterized in that: A plurality of lifting ears (116) are arranged above the cabinet (101).

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