Anti-loosening moving contact mounting assembly

Abstract

The utility model relates to the technical field of electrical connection tools, in particular to an anti-loosening moving contact mounting assembly which comprises a left supporting seat and a right supporting seat, supporting sleeves are fixedly mounted at the top ends of the supporting seats, annular grooves are formed in the side faces, close to each other, of the two supporting sleeves, and shaft sleeves are fixedly mounted on the groove walls of the centers of the annular grooves. Arc-shaped holes are formed in the shaft sleeves, limiting clamping holes are formed in the groove walls of the two sides of the annular groove, insulating protruding blocks are slidably connected into the limiting clamping holes, a movable contact piece is arranged between the two shaft sleeves, a fixing sleeve is fixedly installed at the bottom end of the movable contact piece, a rotating shaft is fixedly installed on the fixing sleeve, and the rotating shaft is rotationally connected with the shaft sleeves; a storage barrel penetrating out of the arc-shaped hole is fixedly installed at the end of the rotating shaft, a limiting clamping block is slidably connected into the storage barrel, a spring is arranged between the limiting clamping block and the storage barrel, and the limiting clamping block is matched with the limiting clamping hole in a clamped mode. The utility model has the effect of preventing the movable contact from loosening, and is firm and stable in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical connection tool technical field, concretely relates to a kind of movable contact blade mounting assembly of anti-loosening. BACKGROUND

[0002] In the field of electric power, electronics, automation control and communication, the wide application of contactor, relay and protector and other electrical components puts high requirements on the installation stability and reliability of movable contact piece, and the installation quality of movable contact piece as the key component in these electrical components directly affects the overall performance and service life of electrical components, and movable contact piece is generally provided with mounting assembly, and movable contact piece is usually assembled with mounting assembly thereon.

[0003] However, most movable contact piece mounting assemblies lack components that can stably position the movable contact piece when in use, and if only rely on the friction between movable contact piece and mounting assembly to prevent loosening of movable contact piece, the anti-loosening effect relying on friction is poor, and it is easy to cause movable contact piece to be separated from static contact piece when vibrating in external environment, further affecting the stable movement of the whole system, and bringing inconvenience to users. In view of this, we propose a movable contact piece mounting assembly of anti-loosening. SUMMARY

[0004] The utility model aims at providing a movable contact piece mounting assembly of anti-loosening to solve the defects proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A movable contact piece mounting assembly of anti-loosening, comprising left and right two mutually symmetrical support seats, the top end of the support seat is fixedly installed with support sleeve, the side surface of two support sleeves close to each other is provided with annular groove, the groove wall at the center position of the annular groove is fixedly installed with shaft sleeve, the shaft sleeve is provided with arc-shaped hole, the both sides of the groove wall of the annular groove are provided with limiting clamping hole connected with the outside, the limiting clamping hole is slidably connected with insulating protrusion, the movable contact piece is arranged between two shaft sleeves, the bottom end of the movable contact piece is fixedly installed with fixed sleeve, the fixed sleeve is fixedly installed with rotating shaft, the rotating shaft is rotatably connected with the shaft sleeve, the end of the rotating shaft is fixedly installed with containing cylinder penetrating the arc-shaped hole, the containing cylinder is slidably connected with limiting clamping block, the limiting clamping block and the containing cylinder are provided with spring, and the limiting clamping block and the limiting clamping hole are clamped and matched.

[0007] Preferably, two support seats are fixedly installed with gusset plate, the bottom of the gusset plate is fixedly installed with bottom plate, and each corner part of the bottom plate is provided with screw hole.

[0008] Preferably, both left and right side hole walls of the limiting clamping hole are provided with sliding grooves, both left and right side faces of the end plate body of the insulating protrusion are fixedly installed with sliding blocks, and the sliding blocks are located in the sliding grooves and are in sliding connection with the sliding grooves.

[0009] Preferably, the size of the sliding block is matched with the size of the sliding groove, and both ends of the sliding groove are not connected with the outside.

[0010] Preferably, the fixed sleeve is fixedly installed with a conductive wiring ring, and the conductive wiring ring is annular.

[0011] Preferably, the receiving cylinder is provided with a receiving chamber with a top connected with the outside, the limiting clamping block is located in the receiving chamber and is in sliding connection with the receiving chamber, and both ends of the spring are fixedly installed on the bottom face of the limiting clamping block and the bottom wall of the receiving chamber respectively.

[0012] Preferably, the top face of the limiting clamping block is fixedly installed with an arc-shaped protrusion, and the cross section of the arc-shaped protrusion is semicircular.

[0013] Preferably, the cross section of the arc-shaped hole is greater than one half of a circle, and the two limiting clamping holes correspond to the positions of both ends of the arc-shaped hole respectively.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a limiting clamping hole, a rotating shaft, a receiving cylinder and a limiting clamping block are arranged, when the movable contact piece rotates, the receiving cylinder and the limiting clamping block can be driven to rotate, when the limiting clamping block rotates to the position of the limiting clamping hole, under the elastic force of the spring, the limiting clamping block can be clamped into the limiting clamping hole, the rotating shaft is limited, the movable contact piece is further limited, and the effect of preventing the movable contact piece from loosening is achieved.

[0016] 2、The utility model discloses an insulating protrusion, when the limiting clamping block is clamped into the limiting clamping hole, the insulating protrusion can be pressed inwards, the limiting clamping block can be pressed into the receiving chamber, at this time, the limiting clamping block is not clamped in the limiting clamping hole, and the rotating shaft can rotate freely. ACCURACY

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the one of explosion structure schematic diagram of the utility model;

[0019] Figure 3 It is the two of explosion structure schematic diagram of the utility model;

[0020] Figure 4For the utility model Figure 3 The enlarged view of A in the middle;

[0021] Figure 5 For the utility model

[0022] Figure 6 For the utility model Figure 5 The enlarged view of B in the middle;

[0023] The meaning of each reference numeral in the figure is:

[0024] 1, bottom plate;10, screw hole;11, backing plate;12, support seat;13, support sleeve;131, annular groove;14, shaft sleeve;141, arc hole;15, limit clamping hole;151, sliding groove;

[0025] 2, insulating bump;20, sliding block;

[0026] 3, moving contact;30, fixed sleeve;301, conductive terminal ring;31, rotating shaft;32, storage cylinder;33, storage chamber;34, spring;35, limit clamping block;36, arc-shaped bump. Specific embodiments

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-6The utility model provides a technical scheme: an anti-loose moving contact blade mounting assembly, including left and right two mutually symmetrical support seat 12, the top fixed mounting of support seat 12 has support sleeve 13, two support sleeve 13 mutually close side all is provided with annular groove 131, the groove wall of the central position of annular groove 131 is fixedly installed with the horizontal setting of axle sleeve 14, is provided with arc hole 141 on axle sleeve 14, the both sides groove wall of annular groove 131 all is provided with the limit card hole 15 of being linked with outside, the limit card hole 15 is slidably connected with insulating lug 2, the moving contact blade 3 is arranged between two axle sleeves 14, the bottom fixed mounting of moving contact blade 3 has fixed sleeve 30, fixed sleeve 30 is fixedly installed with rotating shaft 31, and rotating shaft 31 is rotatably connected between two axle sleeves 14, and the end of rotating shaft 31 is fixedly installed with the storage cylinder 32 of passing arc hole 141, and the storage cylinder 32 is slidably connected with limit card block 35, and spring 34 is arranged between limit card block 35 and storage cylinder 32, and limit card block 35 and limit card hole 15 are clamped together, realize with limit card block 35 and enter limit card hole 15, realize the limit operation of rotating shaft 31, further realize the limit operation of moving contact blade 3, play the effect of preventing moving contact blade loosening.

[0029] In the embodiment, the two support seats 12 are fixedly installed with a backing plate 11, and the bottom of the backing plate 11 is fixedly installed with a bottom plate 1. Each corner portion of the bottom plate 1 is provided with a screw hole 10, so that the bottom plate 1 can be fixed by using fastening screws.

[0030] Specifically, the left and right side hole walls of the limit card hole 15 are provided with sliding grooves 151, and the left and right side surfaces of the end plate body of the insulating lug 2 are fixedly installed with sliding blocks 20. The sliding blocks 20 are located in the sliding grooves 151 and are slidably connected with the sliding grooves 151. The size of the sliding blocks 20 is matched with the size of the sliding grooves 151. The two ends of the sliding grooves 151 are not connected with the outside, so that the movement of the insulating lug 2 can be guided, and the insulating lug 2 cannot fall off from the limit card hole 15.

[0031] Further, the fixed sleeve 30 is fixedly installed with a conductive wiring ring 301, and the conductive wiring ring 301 is annular, so that the conductive wiring ring 301 can be wound and fixed.

[0032] In addition, the storage cylinder 32 is provided with a storage chamber 33, the top of which is connected with the outside. The limit card block 35 is located in the storage chamber 33 and is slidably connected with the storage chamber 33. The two ends of the spring 34 are fixedly installed on the bottom surface of the limit card block 35 and the bottom wall of the storage chamber 33, respectively, so that the limit card block 35 can be stored in the storage chamber 33.

[0033] It is worth mentioning that the top surface of the limiting block 35 is fixedly provided with an arc-shaped protrusion 36, and the cross section of the arc-shaped protrusion 36 is semicircular, so that the arc-shaped protrusion 36 is more smoothly clamped into the limiting block hole 15 along the hole opening part of the limiting block hole 15.

[0034] It is worth noting that the cross section of the arc-shaped hole 141 is greater than one-half of a circle, and the two limiting block holes 15 correspond to the positions of the two ends of the arc-shaped hole 141, so that the moving contact 3 is correspondingly positioned from the starting point to the end point with the two limiting block holes 15, which facilitates the clamping of the limiting block 35 into the limiting block hole 15.

[0035] The anti-loose moving contact mounting assembly of the utility model in use, the bottom plate 1 is fixedly installed at the corresponding position by using the fastening screw, and then the wiring operation is performed at the conductive wiring ring 301 part, and after the moving contact 3 is rotated, the rotating shaft 31 can be driven to rotate, the rotating shaft 31 drives the storage cylinder 32 and the limiting block 35 to rotate, and after the limiting block 35 is rotated to the position of the limiting block hole 15, the limiting block 35 can be clamped into the limiting block hole 15 under the elastic force of the spring 34, the limiting operation is completed, and the anti-loose protection operation of the rotating shaft 31 and the moving contact 3 is realized.

[0036] In addition, when the moving contact 3 needs to be rotated, the insulating protrusion 2 is pressed towards the inside, and after the insulating protrusion 2 is pressed, the insulating protrusion 2 will press the limiting block 35 inwardly, so that the limiting block 35 is pressed into the storage cavity 33, at this time, the limiting block 35 is no longer clamped into the limiting block hole 15, and the rotating shaft 31 and the moving contact 3 can be freely rotated.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A loosening-proof moving contact mounting assembly comprising two left and right symmetrical support seats (12), characterized in that: The top end of the support seat (12) is fixedly installed with a support sleeve (13), the mutually close side surfaces of the two support sleeves (13) are both provided with an annular groove (131), the groove wall at the center position of the annular groove (131) is fixedly installed with a shaft sleeve (14), the shaft sleeve (14) is provided with an arc-shaped hole (141), the two side groove walls of the annular groove (131) are both provided with a limiting clamping hole (15) which is connected with the outside, the limiting clamping hole (15) is slidably connected with an insulating protruding block (2), a movable contact piece (3) is arranged between the two shaft sleeves (14), the bottom end of the movable contact piece (3) is fixedly installed with a fixed sleeve (30), the fixed sleeve (30) is fixedly installed with a rotating shaft (31), the rotating shaft (31) is rotatably connected with the shaft sleeve (14), the end of the rotating shaft (31) is fixedly installed with a receiving cylinder (32) which penetrates through the arc-shaped hole (141), the receiving cylinder (32) is slidably connected with a limiting clamping block (35), the limiting clamping block (35) and the receiving cylinder (32) are provided with a spring (34), and the limiting clamping block (35) and the limiting clamping hole (15) are clamped and matched.

2. The anti-looseness moving contact mounting assembly according to claim 1, characterized in that: The two support seats (12) are fixedly installed with a backing plate (11), and the bottom of the backing plate (11) is fixedly installed with a bottom plate (1), and each corner portion of the bottom plate (1) is provided with a screw hole (10).

3. The anti-looseness moving contact mounting assembly of claim 1, wherein: The left and right side hole walls of the limiting clamping hole (15) are both provided with a sliding groove (151), and the left and right side surfaces of the end plate body of the insulating protruding block (2) are both fixedly installed with a sliding block (20), the sliding block (20) is located in the sliding groove (151) and is slidably connected with the sliding groove (151).

4. The anti-looseness moving contact mounting assembly according to claim 3, characterized in that: The size of the sliding block (20) is matched with the size of the sliding groove (151), and the two ends of the sliding groove (151) are not connected with the outside.

5. The anti-looseness moving contact mounting assembly of claim 1, wherein: The fixed sleeve (30) is fixedly installed with a conductive wiring ring (301), and the conductive wiring ring (301) is annular.

6. The anti-looseness moving contact mounting assembly of claim 1, wherein: The receiving cylinder (32) is provided with a receiving cavity (33) which is connected with the outside at the top, the limiting clamping block (35) is located in the receiving cavity (33) and is slidably connected with the receiving cavity (33), and the two ends of the spring (34) are fixedly installed on the bottom surface of the limiting clamping block (35) and the bottom wall of the receiving cavity (33) respectively.

7. The anti-looseness moving contact mounting assembly of claim 6, wherein: The top surface of the limiting clamping block (35) is fixedly installed with an arc-shaped protruding block (36), and the cross section of the arc-shaped protruding block (36) is semicircular.

8. The anti-looseness moving contact mounting assembly of claim 1, wherein: The cross section of the arc-shaped hole (141) is greater than one half of a circle, and the two limiting clamping holes (15) correspond to the two end positions of the arc-shaped hole (141) respectively.

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