Moving contact driving and assembling structure of multi-connector relay

Abstract

A moving contact driving assembly structure of a multi-joint relay comprises a permanent magnet assembly, a frame and a moving contact device. The permanent magnet assembly comprises a permanent magnet and a T-shaped socket. The frame comprises a frame body, a T-shaped insertion block and a clamping block. The moving contact device comprises a groove-shaped pinch plate and a moving contact assembly. Buckling holes are respectively formed in two end parts of the groove-shaped buckling plate. And the groove-shaped buckle plate is clamped and fixed with the clamping block through the buckling hole. The clamping block and the limiting block are arranged on the frame main body, so that the frame main body can be provided with a plurality of moving contact devices. The elastic piece is arranged to increase the abutting force of the two ends of the frame body, so that the frame body is kept stable when moving towards the abutting direction of the elastic piece. The structures of the plurality of moving contact assemblies are the same, so that parts among the plurality of moving contact assemblies can be completely communicated, and the assembly efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic latching relay technical field, especially a kind of movable contact driving assembly structure of multi-joint relay. BACKGROUND

[0002] The push mechanism of prior art magnetic latching relay, i.e. push block, is usually directly clamped between movable spring part and armature part, to realize the driving function of armature part displacement, and during clamping, limit type clamping or interference clamping method is generally used, wherein limit type clamping cannot very stably realize the limiting of push block, and under action or external force, push block is easy to twist, leading to poor parameter stability. Interference clamping often has problems such as fluff and easy to fall off, and the problems of fluff and push block falling off seriously affect the reliability of relay. On the other hand, for multi-path magnetic latching relay, push mechanism usually drives multiple movable spring parts to act, and during the action of push block, torque imbalance leads to twisting, thereby affecting the stability of product. And movable spring part is often connected with push mechanism through fastener to ensure stability, and adjustment deviation needs repeated disassembly and assembly, with low efficiency.

[0003] In the application number CN201320616886.3, a push mechanism of multi-path magnetic latching relay is disclosed, comprising push block, first matching part in armature part for cooperating with push block and second matching part in movable spring part for cooperating with push block; the push block is provided with first mounting part for installing first matching part of armature part and second mounting part for installing second matching part of movable spring part.

[0004] The above scheme achieves the stability of push block during movement by making the second mounting part in push block at least three, and respectively arranged at both sides of movement direction of push block, and making the sum of torque of contact points of both sides second mounting part with movable spring part relative to the acting point of first mounting part of push block on armature part be zero, but when push block cooperates with movable spring part, movable spring part needs to be designed independently according to the structure of push block, and each two movable spring parts are fixed through rivet and other fasteners, when unilateral replacement is needed, it is inconvenient to disassemble, and the structures of multiple movable spring parts are all different, and the interchangeability of parts is poor, and during assembly, operator needs to carefully distinguish, with poor assembly efficiency. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a movable contact driving assembly structure of multi-joint relay to solve the above technical problems.

[0006] The application discloses a movable contact driving assembly structure of a multi-joint relay, which comprises a permanent magnet assembly, a frame arranged on one end surface of the permanent magnet assembly, and movable contact devices arranged on the frame away from the end surface of the permanent magnet assembly, wherein the permanent magnet assembly comprises a permanent magnet and at least one T-shaped socket arranged on the end surface of the permanent magnet facing the frame; the frame comprises a frame body, at least one T-shaped plug block arranged on one side end surface of the frame body, and a plurality of pairs of clamping blocks arranged on the frame body, and the T-shaped plug block is arranged towards the permanent magnet assembly; each movable contact device comprises a slot-shaped buckle plate buckled on the frame body and two groups of movable contact assemblies arranged between the slot-shaped buckle plate and the frame body; and the two ends of the slot-shaped buckle plate are respectively provided with buckling holes, and the slot-shaped buckle plate is clamped and fixed with the clamping blocks through the buckling holes.

[0007] Further, the side opening of the T-shaped socket is provided with a chamfer.

[0008] Further, only one side of the T-shaped socket is provided with an opening.

[0009] Further, the corners of the T-shaped plug block are all provided with chamfers.

[0010] Further, the number of the T-shaped plug blocks corresponds to the number of the T-shaped sockets, and the height of the T-shaped plug block is less than or equal to the height of the T-shaped socket.

[0011] Further, the frame body is further provided with a limiting block protruding on the side corresponding to the position of the clamping block.

[0012] Further, the end surface of the limiting block protruding towards the clamping block is provided.

[0013] Further, the two ends of the side of the frame body facing the permanent magnet assembly are further respectively provided with a guide rod.

[0014] Further, the frame body is further provided with a plurality of lightening holes.

[0015] Compared with the prior art, the dynamic contact driving assembly structure of the multi-joint relay has the advantages that the T-shaped socket is arranged on the permanent magnet, the T-shaped plug block is arranged on the frame body, quick installation is realized through cooperation between the T-shaped socket and the T-shaped plug block, the T-shaped plug block has better balance, and the frame is prevented from being twisted during movement. The guide rod is arranged on the frame body to guide sliding of the frame body, and the movement track of the frame body is kept stable. The elastic member is arranged to increase the abutting force of the two ends of the frame body, balance the moments of the two ends of the frame body, and keep the frame body stable when moving in the abutting direction of the elastic member. The clamping blocks are arranged on the frame body, and the limiting blocks corresponding to the clamping blocks are arranged, so that the frame body can be installed with multiple dynamic contact devices. The dynamic contact devices are fixed on the frame body in a clamping manner, and the purpose of quick disassembly is achieved. The structures of the multiple dynamic contact assemblies are the same, so that the parts of the multiple dynamic contact assemblies can be completely interchanged, thereby improving assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The dynamic contact driving assembly structure of the multi-joint relay provided by the utility model has the permanent magnet assembly structure diagram.

[0017] Figure 2 The dynamic contact driving assembly structure of the multi-joint relay has the permanent magnet assembly structure diagram. Figure 1

[0018] The dynamic contact driving assembly structure of the multi-joint relay has the permanent magnet assembly structure diagram. Figure 3 Figure 1 The dynamic contact driving assembly structure of the multi-joint relay has the permanent magnet assembly structure diagram.

[0019] Figure 4 Figure 1 The dynamic contact driving assembly structure of the multi-joint relay has the permanent magnet assembly structure diagram.

[0020] Figure 5 The dynamic contact driving assembly structure of the multi-joint relay has the permanent magnet assembly structure diagram. Figure 1 DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are further described in detail below. It should be understood that the description of the embodiments of the utility model herein is not used to limit the protection scope of the utility model.

[0022] As Figures 1 to 5 ​​​As shown, it is a kind of multi-contact relay's movable contact drive assembly structure's structure diagram provided by the utility model.The movable contact drive assembly structure of the multi-contact relay includes a permanent magnet component 10, a frame 20 arranged on the one end surface of the permanent magnet component 10 and a plurality of movable contact devices 30 arranged on the end surface of the frame 20 away from the permanent magnet component 10.It is conceivable that the movable contact drive assembly structure of the multi-contact relay also includes other functional structures, such as elastic members, fixed piles and the like, which are known to those skilled in the art, and will not be repeated here.

[0023] The permanent magnet component 10 includes a permanent magnet 11 and at least one T-shaped socket 12 arranged on the end surface of the permanent magnet 11 towards the frame 20.Referring to Figure 5, the permanent magnet 11 is movably arranged in a shell 1.The permanent magnet 11 is a magnet with S and N poles on both sides thereof.The coil 2 arranged in the shell 1 interacts with the permanent magnet 11.The coil 2 generates S and N poles at both ends thereof according to the current direction after being energized, which repels or attracts the S and N poles of the permanent magnet 11 itself, thereby driving the permanent magnet 11 to slide in the shell 1 towards or away from the frame 20.

[0024] The T-shaped socket 12 is provided with a chamfer on one side opening, facilitating the insertion of the frame 20 into the T-shaped socket 12.The number of T-shaped sockets 12 is at least one, and the number of T-shaped sockets 12 can be increased according to different specifications of the relay to improve the stability after assembly with the frame 20.Referring to Figure 6, the T-shaped socket 12 is only provided with an opening on the side opening towards the shell 1, so as to avoid the frame 20 from falling off the permanent magnet 11 due to its own weight after being inserted into the T-shaped socket 12. Figure 3

[0025] The frame 20 includes a frame body 21, at least one T-shaped plug 22 arranged on one side end surface of the frame body 21 and a plurality of clamping blocks 23 arranged on the frame body 21.

[0026] The T-shaped plug 22 is arranged towards the permanent magnet component 10.The corners of the T-shaped plug 22 are provided with chamfers, so that the T-shaped plug 22 can be more smoothly assembled with the T-shaped socket 12.The number of T-shaped plugs 22 corresponds to the number of T-shaped sockets 12, and the height of the T-shaped plug 22 perpendicular to the horizontal plane is less than or equal to the height of the T-shaped socket 12 perpendicular to the horizontal plane, so that the T-shaped plug 22 can be completely immersed in the T-shaped socket 12 after the frame body 21 is inserted and fixed with the T-shaped socket 12 through the T-shaped plug 22.

[0027] ​Each of the clamping blocks 23 can clamp one of the movable contact devices 30. Please refer to Figure 4 The two side edges of the frame body 21 correspond to the positions of the clamping blocks 23 and are further provided with limiting blocks 24. The end surface of the limiting block 24 away from the permanent magnet assembly 10 is provided with two limiting strips 241, so as to further fix the movable contact device 30, which will be described below. The two clamping blocks 23 are further provided with a plug-in column 26, which is used to cooperate with the clamping block 23 to further fix and install the movable contact device 30.

[0028] The two ends of the side of the frame body 21 toward the permanent magnet assembly 10 are further respectively provided with a guide rod 25. When the frame body 21 reciprocates under the drive of the permanent magnet assembly 10, the guide rod 25 can cooperate with the guide slot (not shown in the figure) in the shell 1 to play a guiding role, reduce the swing of the two ends of the frame body 21, and improve the stability during sliding.

[0029] On the two sides of the adjacent two guide rods 25, the frame body 21 is further respectively provided with at least one elastic member 27 to increase the abutting force when the frame body 21 moves toward the movable contact device 30.

[0030] The frame body 21 is further provided with a plurality of weight-reducing holes 28 to reduce the weight of the frame body 21 and reduce the force required to drive the frame body 21 to move.

[0031] The number of the movable contact devices 30 can be increased or decreased according to actual needs. In the embodiment, the number of the movable contact devices 30 is three, and they are arranged at equal intervals along the length direction of the frame body 21, and all face the same side. Each of the movable contact devices 30 includes a slot-shaped buckle plate 31 buckled on the frame body 21, and two groups of movable contact assemblies 32 arranged between the slot-shaped buckle plate 31 and the frame body 21.

[0032] The two ends of the slot-shaped buckle plate 31 are respectively provided with buckle holes 33. The slot-shaped buckle plate 31 is clamped and fixed with the clamping block 23 through the buckle holes 33. When the slot-shaped buckle plate 31 is clamped with the clamping block 23, the two ends of the slot-shaped buckle plate 31 are just abutted by the limiting block 24, achieving the effect of double fixation.

[0033] The movable contact assembly 32 and the slot-shaped buckle plate 31 can be fixed by plug-in and the like. The structure of the movable contact assembly 32 is a prior art, which is used to abut with a static contact assembly (not shown in the figure) to connect a circuit, so it will not be described here.

[0034] In use, the T-shaped plug 22 is inserted into the T-shaped socket 12. The movable contact assembly 32 is fixed into the slot-shaped buckle 31, and finally the slot-shaped buckle 31 is buckled and fixed with the clamping block 23.

[0035] Compared with the prior art, the movable contact driving assembly structure of the multi-joint relay provided by the utility model realizes quick installation through cooperation between the T-shaped socket 12 and the T-shaped plug 22, the T-shaped plug 22 has better balance, and the frame 20 is prevented from being twisted during movement. The sliding of the frame main body 21 is guided through the guide rod 25 arranged on the frame main body 21, and the movement track of the frame main body 21 is kept stable. The elastic member 27 is arranged to increase the abutting force of the both ends of the frame main body 21, balance the moments of the both ends of the frame main body 21, and keep the frame main body 21 stable when moving in the abutting direction of the elastic member 27. The frame main body 21 is provided with a plurality of clamping blocks 23 and the limiting blocks 24 corresponding to the clamping blocks 23, so that the frame main body 21 can be provided with a plurality of movable contact devices 30. The movable contact devices 30 are fixed on the frame main body 21 in a clamping manner, and the purpose of quick disassembly is achieved. The structures of the plurality of movable contact assemblies 32 are the same, so that the parts between the plurality of movable contact assemblies 32 can be completely interchanged, thereby improving the assembly efficiency.

[0036] The above is only a preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model, and any modification, equivalent replacement or improvement within the spirit of the utility model is covered in the claim scope of the utility model.

Claims

1. A moving contact drive assembly structure for a multi-connector relay, characterized in that: The movable contact driving assembly structure of the multi-contact relay comprises a permanent magnet assembly, a frame arranged on one end surface of the permanent magnet assembly, and a plurality of movable contact devices arranged on the frame away from the end surface of the permanent magnet assembly, the permanent magnet assembly comprises a permanent magnet and at least one T-shaped socket arranged on the end surface of the permanent magnet facing the frame, the frame comprises a frame body, at least one T-shaped plug block arranged on one side end surface of the frame body, and a plurality of pairs of clamping blocks arranged on the frame body, the T-shaped plug block is arranged towards the permanent magnet assembly, each movable contact device comprises a slot-shaped buckle plate buckled on the frame body and two groups of movable contact assemblies arranged between the slot-shaped buckle plate and the frame body, the slot-shaped buckle plate is provided with a buckling hole at each end thereof, and the slot-shaped buckle plate is clamped and fixed with the clamping blocks through the buckling holes.

2. The moving contact driving assembly structure of a multi-joint relay according to claim 1, wherein: The side of the T-shaped socket is provided with a chamfer.

3. The multi-joint relay's movable contact driving assembly structure according to claim 1, characterized in that: The T-shaped socket has and only one side with an opening.

4. The multi-joint relay's movable contact driving assembly structure according to claim 1, characterized in that: The corners of the T-shaped plug block are all provided with chamfers.

5. The multi-joint relay movable contact driving assembly structure according to claim 1, characterized by: The number of the T-shaped plug blocks corresponds to the number of the T-shaped sockets, and the height of the T-shaped plug block is less than or equal to the height of the T-shaped socket.

6. The multi-joint relay's movable contact driving assembly structure according to claim 1, characterized in that: The frame body is further provided with a limiting block protruding on the side corresponding to the position of the clamping block.

7. The multi-joint relay moving contact driving assembly structure according to claim 6, characterized by: The end surface of the limiting block protruding towards the clamping block.

8. The multi-joint relay moving contact driving assembly structure according to claim 1, characterized by: The frame body is further provided with a guide rod on the two ends of the side facing the permanent magnet assembly.

9. The multi-joint relay moving contact driving assembly structure according to claim 1, characterized by: The frame body is further provided with a plurality of lightening holes.

Images