Intelligent circuit breaker opening and closing holding mechanism

Abstract

The utility model discloses an intelligent circuit breaker opening and closing holding mechanism which comprises an outer shell, hinge shafts are hinged to the two sides of the interior of the outer shell, an adjusting seat is hinged to one side of each hinge shaft, a spring groove is formed in one side of the adjusting seat, a guide hole is formed in the spring groove and located in the surface of the other side of the adjusting seat, and the spring groove is provided with a spring. A guide rod is slidably mounted in the guide hole, a supporting spring is fixedly connected into the spring groove and slidably connected to the surface of one end of the guide rod in a sleeving mode, a hinge joint is arranged at one end of the guide rod, an adjusting block is hinged to one end of the hinge joint, and an adjusting rod is fixedly connected to one side of the adjusting block. One end of the adjusting rod is installed on one side of the outer shell in a sliding mode, tightness can be adjusted through threads, supporting stability is guaranteed, the limiting ball head is connected with the clamping block, clamping positioning can be assisted, the structural stability is improved, combined use is facilitated, and adaptability is high.

Description

Technical Field

[0001] The utility model relates to the field of circuit breakers, and more specifically to an intelligent circuit breaker opening and closing holding mechanism. Background Art

[0002] A circuit breaker is an instrument that enables an external operating device to manually open or close a live circuit and automatically disconnect an overload circuit or a short circuit. Generally, a multi-link latch mechanism is required to maintain the open and closed states of the circuit breaker to provide appropriate open and closed holding forces. However, the manufacturing and assembly processes of the multi-link latch mechanism itself are too complex and redundant, and it occupies a large space. To solve this problem and simplify the design structure, a bistable spring holding mechanism for opening and closing can be used to replace the original multi-link latch mechanism.

[0003] The utility model with authorization announcement number CN204315478U provides a bistable spring holding mechanism for opening and closing of circuit breakers. It includes a circuit breaker static contact, a circuit breaker moving contact, an insulating pull rod, a connecting rod base, a connecting rod, a slide, an elastic element, a spring limit baffle, a spring sleeve, an opening limit block and a driving connecting rod. The moving contact is located below the static contact and is fixedly connected to the insulating pull rod. The connecting rod base is fixed below the insulating pull rod. The driving connecting rod is fixed below the connecting rod base. The two ends of the connecting rod base are respectively connected to the spring sleeve through a connecting rod to form a rotating pair. The spring sleeve is located in the slide, and the end of the spring sleeve is connected to the fixed spring limit baffle through an elastic element. The main purpose of the utility model is to solve the problem of opening and closing holding of medium-voltage circuit breakers, simplify the structure, reduce the requirements for the manufacturing process and assembly process of the holding mechanism, and reduce the opening and closing spring forces to improve the reliability of the holding mechanism.

[0004] In the above-mentioned disclosed structure, the spring and the guide rod are connected by a spring sleeve, which is a fixed installation structure. It is easy to cause interference due to length problems during adjustment. The sliding guide cannot be used for adjustment and avoidance. There is also a lack of a combined clamping structure, which is not conducive to auxiliary positioning and has poor stability, which needs to be improved. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an intelligent circuit breaker opening and closing holding mechanism, in which a guide rod and a support spring are installed through an adjustment seat hinged inside the outer shell, which can be slidably guided for avoidance to avoid interference, and an adjusting nut is connected to tighten the support spring, and the tightness can be adjusted by thread to ensure the stability of the support. Combined with a limit ball head to connect the clamping block, it can assist in clamping positioning, improve structural stability, facilitate combined use, and has high adaptability.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A smart circuit breaker opening and closing holding mechanism comprises an outer shell, wherein both sides of the inner part of the outer shell are hinged with hinge shafts, one side of the hinge shaft is hinged with an adjustment seat, one side of the adjustment seat is provided with a spring groove, the inner part of the spring groove is provided with a guide hole, the guide hole is located on the other side surface of the adjustment seat, a guide rod is slidably installed in the inner part of the guide hole, a support spring is fixedly connected in the inner part of the spring groove, the support spring is slidably sleeved on one end surface of the guide rod, one end of the guide rod is provided with a hinge head, one end of the hinge head is hinged with an adjustment block, one side of the adjustment block is fixedly connected with an adjustment rod, one end of the adjustment rod is slidably installed on one side of the outer shell, the other end of the adjustment rod is fixedly connected with a contact, and the contact is slidably installed on one side of the inner part of the outer shell.

[0008] Furthermore, an adjusting nut is threadedly mounted on the surface of one end of the guide rod, and the adjusting nut is located on one side of the hinged head.

[0009] Furthermore, one side surface of the adjusting nut is pressed and connected to one end surface of the supporting spring and is located on one side of the adjusting seat.

[0010] Furthermore, the adjustment seat is symmetrically connected to the two end positions inside the outer shell, and the support spring is compressed by the adjustment nut, and can be positioned in a split combination, which is convenient for compression and adjustment of tightness, is conducive to installation and use, and is accurate and stable.

[0011] Furthermore, limiting ball heads are provided on both sides of the surface of one end of the adjusting rod, and the limiting ball heads are slidably connected to the inside of the outer shell.

[0012] Furthermore, two sides of the inner part of the outer shell are fixedly connected with clamping blocks, and two sides of the clamping blocks are formed with clamping notches.

[0013] Furthermore, the snap-fit ​​notch is snap-fitted to one side of the limiting ball head, and the snap-fit ​​blocks are symmetrically distributed on both sides of the adjusting rod. The snap-fit ​​notch is formed by the snap-fit ​​blocks, thereby elastically snapping the limiting head to facilitate auxiliary positioning and ensure that the positioning is maintained with accuracy and stability.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution installs the guide rod and the support spring through the adjustment seat hinged inside the outer shell, which can be slid to avoid interference, and the adjustment nut is connected to tighten the support spring, and the tightness can be adjusted by thread to ensure the stability of the support. Combined with the limit ball head to connect the clamping block, it can assist in clamping and positioning, improve the structural stability, facilitate combined use, and has high adaptability.

[0016] (2) By adjusting the nut to tighten the support spring, the parts can be assembled and positioned separately, which is convenient for tightening and adjusting the tightness, and is convenient for installation and use, and is accurate and stable.

[0017] (3) A clamping notch is formed by the clamping block, so that the limit head is elastically clamped, which is convenient for auxiliary positioning and ensures that the positioning accuracy and stability are maintained. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial schematic diagram of the connection between the guide rod and the adjustment seat of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the connection between the adjustment seat and the guide rod of the utility model;

[0021] Figure 4 For the utility model Figure 1 Enlarged view of point A where the middle card connector is connected.

[0022] Description of the numbers in the figure:

[0023] 1 outer shell, 11 hinge shaft, 12 adjustment seat, 13 spring groove, 14 guide hole, 15 guide rod, 16 support spring, 17 hinge head, 18 adjustment block, 2 adjustment rod, 21 contact, 22 adjustment nut, 23 limit ball head, 24 clamping block, 25 clamping notch. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 and Figure 3A smart circuit breaker opening and closing holding mechanism comprises an outer shell 1, wherein both sides of the inner part of the outer shell 1 are hinged with hinge shafts 11, and one side of the hinge shaft 11 is hinged with an adjustment seat 12, and the adjustment seat 12 is hinged with the hinge shaft 11, and can be flipped and adjusted to avoid interference, which is conducive to combined use, and a spring groove 13 is provided on one side of the adjustment seat 12, and a guide hole 14 is provided inside the spring groove 13, and the guide hole 14 is located on the other side surface of the adjustment seat 12, and a guide rod 15 is slidably installed inside the guide hole 14, and the guide rod 15 is connected through the guide hole 14, which can assist in supporting positioning, and can slide to avoid interference easily caused by the horizontal length position, which is conducive to adjustment and use, and the inner fixed connection of the spring groove 13 A support spring 16 is connected, and the support spring 16 is connected through a spring groove 13. The combination installation and positioning are convenient for elastic support, and the support spring 16 can also be compressed and avoided, which is conducive to combined use and has high adaptability. The support spring 16 is slidably sleeved on one end surface of the guide rod 15, and a hinge head 17 is provided at one end of the guide rod 15. An adjustment block 18 is hinged at one end of the hinge head 17. An adjustment rod 2 is fixedly connected to one side of the adjustment block 18. One end of the adjustment rod 2 is slidably installed on one side of the outer shell 1, and a contact 21 is fixedly connected to the other end of the adjustment rod 2. The contact 21 is connected through the adjustment rod 2, and can be pulled for adjustment, which is convenient for separation and connection control, conducive to adjustment and use, and has high adaptability. The contact 21 is slidably installed on one side of the inner side of the outer shell 1.

[0026] An adjusting nut 22 is threadedly installed on the surface of one end of the guide rod 15, and the adjusting nut 22 is located on one side of the hinge head 17. One side surface of the adjusting nut 22 is pressed and connected to one end surface of the support spring 16, and is located on one side of the adjusting seat 12. The adjusting seat 12 is symmetrically connected to the two end positions inside the outer shell 1. The supporting spring is pressed by the adjusting nut, and can be split and combined for positioning, which is convenient for pressing and adjusting the tightness, is conducive to installation and use, and is accurate and stable.

[0027] See also Figure 1 and Figure 4 , limiting ball heads 23 are provided on both sides of the surface of one end of the adjusting rod 2, and the limiting ball head 23 is slidably connected to the inside of the outer shell 1, and the inner sides of the outer shell 1 are fixedly connected with clamping blocks 24, and clamping notches 25 are formed on both sides of the clamping blocks 24. The clamping notches 25 are clamped on one side of the limiting ball head 23, and the clamping blocks 24 are symmetrically distributed on both sides of the adjusting rod 2. The clamping notches are formed by the clamping blocks, so that the limiting head is elastically clamped, which is convenient for auxiliary positioning and ensures that the positioning is maintained to accuracy and stability. The four clamping blocks 24 are distributed to form three clamping notches 25, so that they are elastically clamped to both sides of the limiting ball head 23, which can assist positioning. The three positions can correspond to the separation position, the balance position and the closed position respectively, which is convenient for adjustment.

[0028] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An intelligent circuit breaker opening and closing holding mechanism, comprising an outer shell (1), wherein both sides of the inner part of the outer shell (1) are hinged with hinge shafts (11), and one side of the hinge shaft (11) is hinged with an adjustment seat (12), characterized in that: A spring groove (13) is provided on one side of the adjustment seat (12), a guide hole (14) is provided inside the spring groove (13), the guide hole (14) is located on the other side surface of the adjustment seat (12), a guide rod (15) is slidably installed inside the guide hole (14), a support spring (16) is fixedly connected inside the spring groove (13), the support spring (16) is slidably sleeved on one end surface of the guide rod (15), a hinged head (17) is provided at one end of the guide rod (15), an adjustment block (18) is hingedly connected at one end of the hinged head (17), an adjustment rod (2) is fixedly connected to one side of the outer shell (1), one end of the adjustment rod (2) is slidably installed on one side of the outer shell (1), and the other end of the adjustment rod (2) is fixedly connected to a contact (21), and the contact (21) is slidably installed on one side of the inner side of the outer shell (1).

2. The intelligent circuit breaker opening and closing holding mechanism according to claim 1, characterized in that: An adjusting nut (22) is threadedly mounted on one end surface of the guide rod (15), and the adjusting nut (22) is located on one side of the hinged joint (17).

3. The intelligent circuit breaker opening and closing holding mechanism according to claim 2 is characterized in that: One side surface of the adjusting nut (22) is tightly connected to one end surface of the supporting spring (16) and is located on one side of the adjusting seat (12).

4. The intelligent circuit breaker opening and closing holding mechanism according to claim 1, characterized in that: The adjustment seat (12) is symmetrically connected to the two end positions inside the outer shell (1).

5. The intelligent circuit breaker opening and closing holding mechanism according to claim 1, characterized in that: Limiting ball heads (23) are provided on both sides of the surface of one end of the adjusting rod (2), and the limiting ball heads (23) are slidably connected to the inside of the outer shell (1).

6. The intelligent circuit breaker opening and closing holding mechanism according to claim 1, characterized in that: The outer shell (1) has two sides fixedly connected with clamping blocks (24), and two sides of the clamping blocks (24) are formed with clamping notches (25).

7. The intelligent circuit breaker opening and closing holding mechanism according to claim 6, characterized in that: The clamping notch (25) is clamped to one side of the limiting ball head (23), and the clamping blocks (24) are symmetrically distributed on both sides of the adjusting rod (2).

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