CN210349716U

CN210349716U - Relay for small-size power box internally mounted

Info

Publication number: CN210349716U
Application number: CN201921611114.4U
Authority: CN
Inventors: 张金珠
Original assignee: Haiyan Weijia Electric Technology Co ltd
Current assignee: Haiyan Weijia Electric Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-17
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a relay is used in small-size power box internally mounted, including skeleton, coil, horizontal plate, yoke, armature, reed, movable contact, stationary contact, extension spring, install a coil on the skeleton, be fixed with the yoke and two stationary reeds of a vertical setting on the skeleton, yoke and stationary reed are located the both sides of coil respectively, and the stationary contact is installed at the stationary reed top, the coil top is fixed with a horizontal plate, and the iron core of coil pierces through the horizontal plate, the horizontal plate top is equipped with an armature, is fixed with a reed on the armature, is equipped with two movable reeds with the stationary reed one-to-one on the reed. The utility model discloses a cooperate extension spring and armature for reed accessible extension spring resets, makes the reed length can reduce when setting up, and the junction of reed and armature can widen, makes the coil consumption diminish, and the structure can be compacter, has great bearing capacity.

Description

Relay for small-size power box internally mounted

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electrical equipment's technical field, especially the technical field of relay.

[ background of the invention ]

A relay, also known as a relay, is an electronic control device having a control system, also known as an input loop, and a controlled system, also known as an output loop, which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. The size of the reed of the existing relay is large, so that the structure of the relay is not compact enough, and the contact is easy to generate electric arc and is not safe enough. Especially, the internal space of the small power box is limited, so that electric arcs are generated at the contact points more easily, and potential safety hazards are caused.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide a relay is used to small-size power box internally mounted, can make relay compact structure, the consumption is little, difficult production electric arc, safe and reliable.

In order to achieve the purpose, the utility model provides a relay for the internal installation of a small-sized power box, which comprises a framework, a coil, a horizontal plate, a yoke, an armature, a reed, a movable contact, a fixed contact and a tension spring, wherein the framework is provided with the coil, the framework is fixed with the yoke and two fixed reeds which are vertically arranged, the yoke and the fixed reeds are respectively positioned at two sides of the coil, the fixed contact is arranged at the top of the fixed reeds, the horizontal plate is fixed at the top of the coil, the iron core of the coil penetrates through the horizontal plate, the armature is arranged above the horizontal plate, the reed is fixed on the armature, the reed is provided with two movable reeds which are in one-to-one correspondence with the fixed reeds, the middle parts of the two movable reeds are bent downwards, the tail ends of the movable reeds are fixed with the movable contact matched with the fixed contact, a limit plate is, the end of the armature far away from the moving spring plate crosses over the yoke and is fixed with a vertically downward tension spring.

Preferably, the yoke penetrates the frame, and the bottom of the yoke is located below the frame.

Preferably, a fixing rod is fixed to the bottom of the yoke on the side away from the coil, and the bottom of the tension spring is fixed to the fixing rod.

Preferably, the auxiliary plates are respectively positioned at two sides of the horizontal plate close to the static spring piece end, and the two movable spring pieces are clamped between the two horizontal plates.

Preferably, the overlapped part of the armature and the spring is covered with a movable spring plastic armor piece with an opening at the lower end, and the movable spring piece penetrates through one side wall of the movable spring plastic armor piece.

Preferably, two vertically arranged auxiliary bars are respectively arranged on two sides of the upper end of the yoke, and two auxiliary grooves allowing the auxiliary bars to penetrate through are respectively arranged on two sides of the armature.

Preferably, the end of the movable spring plate is provided with a discharge sheet bent upwards.

Preferably, the upper end of the framework is fixed with two coil terminal pins, the lower end of the framework is fixed with two lower terminal pins which correspond to the coil terminal pins one to one, the coil terminal pins and the lower terminal pins are connected inside the framework, and the coil terminal pins are connected with windings of the coil.

Preferably, two sides of the horizontal plate perpendicular to the yoke are respectively provided with a limiting strip, two sides of the armature are respectively provided with a limiting groove matched with the limiting strips, and the limiting strips are inserted into the limiting grooves.

The utility model has the advantages that: the utility model enables the reed to reset through the tension spring by matching the tension spring with the armature, so that the length of the reed can be reduced when the reed is arranged, the joint of the reed and the armature can be widened, the power consumption of the coil is reduced, the structure can be more compact, and the coil has larger bearing capacity; the movable reed has smaller area, so that the reed is lighter and the friction is reduced; the arrangement of the discharging piece ensures that the relay is safer and is not easy to generate electric arcs; the limiting strip is matched with the limiting groove, so that the armature is not easy to deviate.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a relay for mounting inside a small-sized power box according to the present invention;

fig. 2 is a side view of a relay for mounting inside a small-sized power box according to the present invention;

fig. 3 is a plan view of the relay for mounting inside of the small power box of the present invention.

In the figure: 1-framework, 2-coil, 3-horizontal plate, 4-armature, 5-yoke, 6-reed, 7-static reed, 20-iron core, 21-coil pin, 22-lower pin, 30-auxiliary plate, 31-limiting plate, 39-limiting strip, 40-movable reed plastic armor, 45-auxiliary groove, 49-limiting groove, 50-tension spring, 51-fixing rod, 55-auxiliary strip, 60-movable contact, 61-movable reed, 65-discharge sheet and 70-static contact.

[ detailed description ] embodiments

Referring to fig. 1, 2 and 3, the relay for internal installation of a small power box of the present invention comprises a frame 1, a coil 2, a horizontal plate 3, a yoke 5, an armature 4, springs 6, a movable contact 60, a stationary contact 70 and a tension spring 50, wherein the frame 1 is provided with the coil 2, the frame 1 is fixed with the yoke 5 and two stationary springs 7 which are vertically arranged, the yoke 5 and the stationary springs 7 are respectively located at two sides of the coil 2, the stationary contact 70 is installed at the top of the stationary springs 7, the top of the coil 2 is fixed with the horizontal plate 3, an iron core 20 of the coil 2 penetrates through the horizontal plate 3, the armature 4 is arranged above the horizontal plate 3, the armature 4 is fixed with the springs 6, the springs 6 are provided with two movable springs 61 which are in one-to-one correspondence with the stationary springs 7, the middle parts of the two movable springs 61 are bent downwards, the tail ends of the movable springs 61 are fixed with the movable contact 60 which is matched with the stationary, a limit plate 31 is arranged above the movable spring 61, the limit plate 31 is fixed on the horizontal plate 3 through an auxiliary plate 30, the end of the armature 4 far away from the movable spring 61 crosses the yoke 5 and is fixed with a vertically downward-arranged tension spring 50, the yoke 5 penetrates the framework 1, the bottom of the yoke 5 is positioned below the framework 1, the bottom of the yoke 5 far away from the coil 2 is fixed with a fixed rod 51, the bottom of the tension spring 50 is fixed on the fixed rod 51, the auxiliary plates 30 are respectively positioned on two sides of the horizontal plate 3 close to the end of the static spring 7, the two movable springs 61 are clamped between the two horizontal plates 3, the overlapped part of the armature 4 and the spring 6 is covered with a movable spring plastic armor 40 with an opening at the lower end, the movable spring 61 penetrates through the side wall of one side of the movable spring plastic armor 40, two vertically-arranged auxiliary bars 55 are arranged on two sides of the upper end of the yoke 5, two auxiliary grooves 45 allowing the auxiliary bars 55 to penetrate through are respectively arranged on two sides of the armature, the end of the movable reed 61 is provided with a discharge sheet 65 which is bent upwards, the upper end of the framework 1 is fixed with two coil terminal pins 21, the lower end of the framework 1 is fixed with two lower terminal pins 22 which are in one-to-one correspondence with the coil terminal pins 21, the coil terminal pins 21 are connected with the lower terminal pins 22 in the framework 1, the coil terminal pins 21 are connected with windings of the coil 2, two side edges, perpendicular to the yoke 5, of the horizontal plate 3 are respectively provided with a limiting strip 39, two sides of the armature 4 are respectively provided with a limiting groove 49 which is matched with the limiting strip 39, and the limiting strip 39 is inserted into the limiting groove 49.

The utility model discloses the working process:

in the working process of the relay for mounting the inside of the small-sized power box, the tension spring 50 is matched with the armature 4, so that the reed 6 can reset through the tension spring 50, the length of the reed 6 can be reduced when the reed is set, the joint of the reed 6 and the armature 4 can be widened, the power consumption of the coil 2 is reduced, the structure can be more compact, and the relay has larger bearing capacity; the movable spring plate 61 is arranged, so that the area of the spring plate 6 is smaller, the spring plate 6 is lighter, and friction is reduced; the arrangement of the discharging piece 65 ensures that the relay is safer and is not easy to generate electric arcs; the stop strip 39 cooperates with the stop groove 49 so that the armature 4 is not easily deflected.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a relay is used to small-size power box internally mounted which characterized in that: comprises a framework (1), a coil (2), a horizontal plate (3), a yoke (5), an armature (4), a reed (6), a movable contact (60), a fixed contact (70) and a tension spring (50), wherein the framework (1) is provided with the coil (2), the framework (1) is fixed with the yoke (5) and two fixed reeds (7) which are vertically arranged, the yoke (5) and the fixed reeds (7) are respectively positioned at two sides of the coil (2), the fixed contact (70) is arranged at the top of each fixed reed (7), the top of the coil (2) is fixed with the horizontal plate (3), an iron core (20) of the coil (2) penetrates through the horizontal plate (3), the armature (4) is arranged above the horizontal plate (3), the reed (6) is fixed on the armature (4), and the reed (6) is provided with two movable reeds (61) which are in one-to-one correspondence with the fixed reeds (7), the middle parts of the two movable reeds (61) are bent downwards, the tail ends of the movable reeds (61) are fixed with movable contacts (60) matched with the fixed contacts (70), limiting plates (31) are arranged above the movable reeds (61), the limiting plates (31) are fixed on the horizontal plate (3) through auxiliary plates (30), and the ends, far away from the movable reeds (61), of the armatures (4) cross the yokes (5) and are fixed with a vertical downward tension spring (50).

2. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the yoke iron (5) penetrates through the framework (1), and the bottom of the yoke iron (5) is located below the framework (1).

3. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the bottom of the yoke (5) far away from the coil (2) is fixed with a fixing rod (51), and the bottom of the tension spring (50) is fixed on the fixing rod (51).

4. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the auxiliary plates (30) are respectively positioned on two sides of the end, close to the static reed (7), of the horizontal plate (3), and the two movable reeds (61) are clamped between the two horizontal plates (3).

5. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the overlapped part of the armature (4) and the spring (6) is covered with a movable spring plastic armor piece (40) with an opening at the lower end, and the movable spring (61) penetrates through one side wall of the movable spring plastic armor piece (40).

6. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: two sides of the upper end of the yoke (5) are respectively provided with a vertically arranged auxiliary strip (55), and two sides of the armature (4) are respectively provided with an auxiliary groove (45) allowing the auxiliary strip (55) to pass through.

7. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the tail end of the movable reed (61) is provided with an upward bent discharging sheet (65).

8. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: the coil is characterized in that two coil terminal pins (21) are fixed to the upper end of the framework (1), two lower terminal pins (22) which correspond to the coil terminal pins (21) one to one are fixed to the lower end of the framework (1), the coil terminal pins (21) are connected with the lower terminal pins (22) in the framework (1), and the coil terminal pins (21) are connected with a winding of the coil (2).

9. The relay for internal mounting of a small-sized electric box according to claim 1, wherein: two sides of the horizontal plate (3) perpendicular to the yoke iron (5) are respectively provided with a limiting strip (39), two sides of the armature iron (4) are respectively provided with a limiting groove (49) matched with the limiting strip (39), and the limiting strip (39) is inserted into the limiting groove (49).