Magnetic circuit system of relay contact

Abstract

The utility model relates to the technical field of relays, in particular to a magnetic circuit system of a relay contact. Comprising a base and further comprises a left yoke and a right yoke which are both located on one side of the base. The magnetic steel is arranged on one side of the base; the utility model relates to a relay and a coil framework, and solves the problems that the assembling process of a left yoke, a right yoke, a magnetic steel, a coil framework and a base of a relay in the prior art is relatively complicated, most of the components are fixed by adopting a welding mode, and although the mode can also be used for effectively fixing and assembling the components in the relay; however, the assembly process is time-consuming and labor-consuming, and when a certain part in the relay is damaged, the whole relay needs to be replaced, and only one damaged part cannot be disassembled and replaced, so that the maintenance cost of a user is undoubtedly increased, and the maintenance efficiency of the user is improved. And meanwhile, the convenience of assembling internal parts of the relay is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, and more specifically, to a magnetic circuit system for a relay contact point. Background Art

[0002] A relay, also known as an electromagnetic relay, is an electronic control device that has a control system and a controlled system. It is usually applied in an automatic control circuit. It is actually an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays roles such as automatic regulation, safety protection, and circuit conversion in the circuit. When using a relay, a magnetic circuit system for a relay contact point needs to be proposed.

[0003] Currently, the assembly process among the left yoke iron, right yoke iron, magnet, coil bobbin, and base of a relay is relatively complex, and most of them are fixed by welding. Although this method can effectively fix and assemble the parts inside the relay, the assembly process is time-consuming and laborious. Moreover, when a certain part inside the relay is damaged, the entire relay needs to be replaced, rather than only disassembling and replacing the damaged part, which undoubtedly increases the maintenance cost for users and also reduces the convenience of assembling the parts inside the relay. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a magnetic circuit system for a relay contact point, including a base, and further including:

[0005] A left yoke iron and a right yoke iron, both located on one side of the base;

[0006] A magnet, arranged on one side of the base;

[0007] A coil bobbin, located on one side of the base;

[0008] Fixing components, respectively arranged outside the left yoke iron and the right yoke iron, and used to fixedly install the left yoke iron and the right yoke iron on the base.

[0009] As a further improvement of this technical solution, the fixing components include mounting plates respectively arranged outside the left yoke iron and the right yoke iron. Inside both of the mounting plates, support plates are fixedly connected. On the upper and lower surfaces of both of the support plates, telescopic rods are fixedly connected. The telescopic ends of multiple telescopic rods are fixedly connected with buckles. Outside multiple telescopic rods, return springs are sleeved. Multiple return springs are all abutted between the buckles and the support plates. On the upper and lower surfaces of both of the mounting plates, guiding grooves for the buckles to move are opened. At the inner top end and inner bottom end of the base, moving grooves for the buckles to move are opened. Through holes for clamping the buckles are respectively opened on the upper and lower surfaces of the base.

[0010] As a further improvement of the present technical solution, rotating shafts are fixedly connected to both the upper surface and the lower surface of the permanent magnet. Activity grooves for the rotating shafts to move are provided at both the inner top end and the inner bottom end of the base, and clamping grooves for clamping the rotating shafts are penetratingly provided on both the upper surface and the lower surface of the base.

[0011] As a further improvement of the present technical solution, a through hole for the left yoke and the right yoke to move is provided inside the coil bobbin.

[0012] As a further improvement of the present technical solution, a T-shaped plate is fixedly connected to the rear end surface of the right yoke, and a clamping groove for clamping the T-shaped plate is provided on the front end surface of the left yoke.

[0013] As a further improvement of the present technical solution, bumps are fixedly connected to the outsides of both the left yoke and the right yoke, and clamping grooves for clamping the bumps are provided on both the front and rear inner walls of the through hole.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the magnetic circuit system of the relay contact, through the provided fixing assembly, when assembling the left yoke, the right yoke, the permanent magnet, the coil bobbin and the base, only need to first insert the left yoke and the right yoke into the inside of the coil bobbin, and then fix and assemble the permanent magnet and the base. After the installation between the permanent magnet and the base is completed, then fix the left yoke and the right yoke to the base through the fixing assembly. At this time, the left yoke, the right yoke, the permanent magnet, the coil bobbin and the base can be assembled. The device can assemble the parts inside the relay without using welding or other methods, which is not only relatively convenient, but also when a certain part inside the relay is damaged, it is convenient for the user to disassemble, repair and replace a single part of the relay, without having to replace the whole relay, effectively saving the user's maintenance cost. Description of the Drawings

[0016] Figure 1 is the three-dimensional structure diagram of the present utility model;

[0017] Figure 2 is the disassembled three-dimensional structure diagram of the present utility model;

[0018] Figure 3 is the sectional three-dimensional structure diagram of the mounting plate in the present utility model;

[0019] Figure 4 is the three-dimensional structure diagram of the T-shaped plate in the present utility model.

[0020] The meanings of the various reference numerals in the figure are as follows:

[0021] 1. Base; 2. Coil bobbin; 3. Magnet; 4. Through hole; 5. Left yoke; 6. Right yoke; 7. Mounting plate; 8. Snap; 9. Rotating shaft; 10. Support plate; 11. Telescopic rod; 12. Return spring; 13. Bump; 14. T-shaped plate. Specific embodiments

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figure 1 - Figure 4 As shown, this embodiment provides a magnetic circuit system for a relay contact, including a base 1, and further including:

[0024] A left yoke 5 and a right yoke 6, both located on one side of the base 1;

[0025] A magnet 3, arranged on one side of the base 1;

[0026] A coil bobbin 2, located on one side of the base 1;

[0027] Fixing components, respectively arranged outside the left yoke 5 and the right yoke 6, and used to fixedly mount the left yoke 5 and the right yoke 6 on the base 1.

[0028] The above working principle: When assembling the left yoke 5, the right yoke 6, the magnet 3, the coil bobbin 2 and the base 1, only need to first insert the left yoke 5 and the right yoke 6 into the inside of the coil bobbin 2, and then fixedly assemble the magnet 3 and the base 1. After the magnet 3 and the base 1 are installed, then fix the left yoke 5 and the right yoke 6 to the base 1 through the fixing components. At this time, the left yoke 5, the right yoke 6, the magnet 3, the coil bobbin 2 and the base 1 can be assembled. This device can assemble the parts inside the relay without using welding or other methods, which is not only more convenient, but also when a certain part inside the relay is damaged, it is convenient for the user to disassemble, repair and replace a single part of the relay, rather than replacing the whole relay, effectively saving the user's maintenance cost.

[0029] In order to conveniently fix and assemble the left yoke 5 and the right yoke 6 with the base 1, the fixing component includes mounting plates 7 respectively arranged outside the left yoke 5 and the right yoke 6. Inside both of the two mounting plates 7, there are fixedly connected support plates 10. On the upper and lower surfaces of the two support plates 10, there are fixedly connected telescopic rods 11. The telescopic ends of multiple telescopic rods 11 are all fixedly connected with buckles 8. Outside multiple telescopic rods 11, there are all sleeved with return springs 12. Multiple return springs 12 all abut between the buckles 8 and the support plates 10. On the upper and lower surfaces of the two mounting plates 7, there are respectively opened guiding grooves for the buckles 8 to move. At the inner top end and inner bottom end of the base 1, there are respectively opened moving grooves for the buckles 8 to move. Through holes are respectively formed in the upper and lower surfaces of the base 1 for clamping the buckles 8. When it is necessary to fix and assemble the left yoke 5 and the right yoke 6 with the base 1, first, only need to stack the left yoke 5 and the right yoke 6. After the left yoke 5 and the right yoke 6 are stacked, then insert both the left yoke 5 and the right yoke 6 into the inside of the base 1. At this time, both the left yoke 5 and the right yoke 6 will drive multiple buckles 8 to move synchronously in the moving grooves at the inner top end and inner bottom end of the base 1. When the buckles 8 enter the moving grooves at the inner top end and inner bottom end of the base 1, they will be extruded. At this time, the buckles 8 will simultaneously extrude the telescopic rods 11 and the return springs 12. When the left yoke 5 and the right yoke 6 drive the buckles 8 to move to the clamping grooves on the upper and lower surfaces of the base 1, the return springs 12 reset and drive the buckles 8 to move synchronously for reset. When the buckles 8 are clamped into the clamping grooves on the upper and lower surfaces of the base 1, the left yoke 5 and the right yoke 6 can be fixedly assembled with the base 1.

[0030] Considering that it is necessary to first install the magnet 3 before fixing and installing the left yoke 5 and the right yoke 6 on the base 1, on the upper and lower surfaces of the magnet 3, there are fixedly connected rotating shafts 9. At the inner top end and inner bottom end of the base 1, there are respectively opened moving grooves for the rotating shafts 9 to move. Through holes are respectively formed in the upper and lower surfaces of the base 1 for clamping the rotating shafts 9. When it is necessary to fix and install the magnet 3 on the base 1, only need to first insert the magnet 3 into the inside of the base 1. At this time, the magnet 3 will drive the rotating shafts 9 to move synchronously in the moving grooves at the inner top end and inner bottom end of the base 1. When the magnet 3 drives the rotating shafts 9 to move to the clamping grooves on the upper and lower surfaces of the base 1 for clamping the rotating shafts 9, the magnet 3 can be fixedly installed inside the base 1.

[0031] In order to effectively install the coil bobbin 2, through holes 4 for the left yoke 5 and the right yoke 6 to move are provided inside the coil bobbin 2. When the installation process of the coil bobbin 2 is required, only need to insert the left yoke 5 and the right yoke 6 into the through holes 4 inside the coil bobbin 2 first, and then fixedly install the left yoke 5 and the right yoke 6 inside the base 1 through the fixing component. At this time, the fixing installation process between the coil bobbin 2 and the base 1 can be carried out.

[0032] In order to effectively improve the stability after the left yoke 5 and the right yoke 6 are stacked, a T-shaped plate 14 is fixedly connected to the rear end surface of the right yoke 6, and a clamping groove for clamping the T-shaped plate 14 is provided on the front end surface of the left yoke 5. When the left yoke 5 and the right yoke 6 are stacked, the T-shaped plate 14 will be inserted into the clamping groove provided on the front end surface of the left yoke 5. At this time, the stability after the left yoke 5 and the right yoke 6 are stacked can be improved through the T-shaped plate 14, thereby effectively improving the stability of the left yoke 5 and the right yoke 6 after being installed inside the base 1.

[0033] In addition, in order to effectively improve the stability of the left yoke 5 and the right yoke 6 after being inserted into the through holes 4, protrusions 13 are fixedly connected to the outsides of the left yoke 5 and the right yoke 6, and clamping grooves for clamping the protrusions 13 are provided on the front and rear inner walls of the through holes 4. When the left yoke 5 and the right yoke 6 are inserted into the through holes 4, the protrusions 13 will be driven to move synchronously. When the protrusions 13 move into the clamping grooves provided on the front and rear inner walls of the through holes 4, the stability of the left yoke 5 and the right yoke 6 after being inserted into the through holes 4 can be improved through the protrusions 13, thereby effectively improving the stability of the installation between the left yoke 5, the right yoke 6 and the coil bobbin 2.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only the preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic circuit system for relay contacts, comprising a base (1), characterized in that: Also includes: A left yoke (5) and a right yoke (6) are both located on one side of the base (1); A magnetic steel (3) is arranged on one side of the base (1); A coil frame (2) located on one side of the base (1); The fixing components are respectively arranged outside the left yoke (5) and the right yoke (6), and are used to fix the left yoke (5) and the right yoke (6) on the base (1).

2. The magnetic circuit system of a relay contact according to claim 1, characterized in that: The fixing assembly comprises mounting plates (7) respectively arranged on the outside of the left yoke (5) and the right yoke (6), the inside of the two mounting plates (7) are fixedly connected with a support plate (10), the upper surface and the lower surface of the two support plates (10) are fixedly connected with a telescopic rod (11), the telescopic ends of the plurality of telescopic rods (11) are fixedly connected with a buckle (8), the outside of the plurality of telescopic rods (11) are sleeved with a return spring (12), the plurality of return springs (12) are in contact between the buckle (8) and the support plate (10), the upper surface and the lower surface of the two mounting plates (7) are provided with a guide groove for the buckle (8) to move, the inner top end and the inner bottom end of the base (1) are provided with a movable groove for the buckle (8) to move, and the upper surface and the lower surface of the base (1) are penetrated with a clamping groove for clamping the buckle (8).

3. The magnetic circuit system of a relay contact according to claim 1, characterized in that: The upper and lower surfaces of the magnetic steel (3) are fixedly connected to a rotating shaft (9); the inner top and inner bottom of the base (1) are provided with movable grooves for the rotating shaft (9) to move; and the upper and lower surfaces of the base (1) are provided with engaging grooves for engaging the rotating shaft (9).

4. The magnetic circuit system of a relay contact according to claim 1, characterized in that: A through hole (4) is provided inside the coil frame (2) for the left yoke (5) and the right yoke (6) to move.

5. The magnetic circuit system of a relay contact according to claim 1, characterized in that: A T-shaped plate (14) is fixedly connected to the rear end surface of the right yoke (6), and a clamping groove for clamping the T-shaped plate (14) is provided on the front end surface of the left yoke (5).

6. The magnetic circuit system of a relay contact according to claim 4, characterized in that: The outsides of the left yoke (5) and the right yoke (6) are both fixedly connected with a protrusion (13), and the front and rear inner walls of the through hole (4) are both provided with a clamping groove for clamping the protrusion (13).

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