阅读说明：本技术 一种推动连杆顺装连接的磁保持继电器 (Magnetic latching relay for pushing connecting rod to be sequentially connected ) 是由 冯邦永 黄鹏飞 于 2021-01-26 设计创作，主要内容包括：本发明公开了一种推动连杆顺装连接的磁保持继电器,包括衔铁组合和基座,衔铁组合铰装在基座中,衔铁组合壳体的一侧有伸出的传动臂,传动臂端部和推动连杆左侧的开口槽配合,推动连杆安装在基座的导向槽中,当衔铁组合绕铰点旋转时,传动臂带动推动连杆在导向槽内滑动。推动连杆设置的开口在该零件的上端部,装配时顺序装入基座、推动连杆、衔铁组合,不需将推动连杆和衔铁组合组装一起在装入基座,大大提高了生产效率,且避免装配损伤工件。(The invention discloses a magnetic latching relay with a forward-mounted push connecting rod, which comprises an armature assembly and a base, wherein the armature assembly is hinged in the base, one side of a shell of the armature assembly is provided with a transmission arm which extends out, the end part of the transmission arm is matched with an open slot on the left side of the push connecting rod, the push connecting rod is arranged in a guide slot of the base, and when the armature assembly rotates around a hinged point, the transmission arm drives the push connecting rod to slide in the guide slot. The opening that the promotion connecting rod set up is at the upper end of this part, and the base is packed into in proper order during the assembly, promotes connecting rod, armature combination, need not assemble promotion connecting rod and armature and pack into the base together, has improved production efficiency greatly, and avoids assembling the damage work piece.)

1. The utility model provides a promote magnetic latching relay that connecting rod is in same direction as dress and is connected, includes armature combination (3) and base (1), its characterized in that: the armature assembly (3) is hinged in the base (1), one side of a shell of the armature assembly (3) is provided with a driving arm extending out, the end part of the driving arm is matched with an open slot (1101) in the left side of the pushing connecting rod (11), the pushing connecting rod (11) is installed in a guide groove (101) of the base (1), and when the armature assembly (3) rotates around a hinged point, the driving arm drives the pushing connecting rod (11) to slide in the guide groove (101).

2. The magnetic latching relay of claim 1, wherein the push link is mounted in series, and the magnetic latching relay comprises: the pushing connecting rod (11) is composed of three parts, namely an armature combined connecting part on the left side, a movable reed connecting part on the right side and a pushing sliding connecting part in the middle, the armature combined connecting part is provided with an open slot (1101), and a gap used for being matched with the movable reed (8) is formed between the movable reed connecting part and the sliding connecting part.

3. The magnetic latching relay of claim 2, wherein the push link is sequentially connected to the magnetic latching relay, and the magnetic latching relay further comprises: the front, the rear and the bottom of the pushing connecting rod (11) are provided with semi-cylindrical guide posts.

4. The push link in-line magnetic latching relay of claim 3, wherein the assembly sequence is: the movable reed (8) is firstly installed in the base (1), then the movable reed (8) is also inserted into a gap between a movable reed connecting part and a sliding connecting part on the pushing connecting rod (11) while the pushing connecting rod (11) is inserted into the guide groove (101), finally the armature assembly (3) is installed, and the end part of a transmission arm of the armature assembly (3) is inserted into an opening groove (1101) of the pushing connecting rod (11).

5. The magnetic latching relay of claim 4, wherein the push link is sequentially connected to the magnetic latching relay, and the magnetic latching relay further comprises: the lower end face of the open slot (1101) is closed.

6. The magnetic latching relay of claim 4, wherein the push link is sequentially connected to the magnetic latching relay, and the magnetic latching relay further comprises: the armature assembly (3) is arranged in the base (1) through a fixing frame (2).

7. The magnetic latching relay of claim 4, wherein the push link is sequentially connected to the magnetic latching relay, and the magnetic latching relay further comprises: the armature assembly (3) is formed by a plastic shell (302) covering an armature (303) and a permanent magnet (302), the armature (303) is made of two pieces of soft magnetic materials with different shapes, and one side of the plastic shell (302) is provided with a protruding transmission arm.

8. The magnetic latching relay of claim 4, wherein the push link is sequentially connected to the magnetic latching relay, and the magnetic latching relay further comprises: the movable contact spring (8) is provided with a movable contact (9), and the wall surface of the base opposite to the movable contact (9) is provided with a fixed contact (10).

9. The push link in-line magnetic latching relay of claim 8, wherein: the side surface of the armature combination (3) is provided with a coil (4).

10. The push link in-line magnetic latching relay of claim 9, wherein: the iron core (5) penetrates through the coil (4) and is formed by riveting with the yoke iron (6), the iron core (5) is a soft magnetic material with steps arranged at two ends, and the yoke iron (6) is made of two same soft magnetic materials.

Technical Field

The invention belongs to the field of relays, and particularly relates to a push rod structure of a magnetic latching relay.

Background

The magnetic latching relay is a control component, an electromagnetic system in the relay is provided with a permanent magnet, a coil input signal adopts a pulse signal, the connection or disconnection of a contact can be realized by forward or reverse instantaneous energization, the coil does not need to be continuously energized, and the purpose of saving electric energy is achieved. The circuit plays the roles of automatic cut-off, safety protection, circuit conversion and the like. The transmission structure between electromagnetic system and the contact is one of the main points in the design of magnetic latching relay, and it sets up the promotion member to put together power transmission to the movable spring with the side of armature combination and drive the contact and the separation of contact usually, in prior art's assembly process, need link together earlier promotion member and armature combination reload base, influence assembly efficiency, the frictional force of promotion member when the transmission can bring the kinetic energy loss in addition.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: aiming at the problems of low assembly efficiency and large kinetic energy loss of the existing magnetic latching relay, the magnetic latching relay for pushing the connecting rod to be connected in a sequential manner is provided.

The invention is realized by the following technical scheme:

a magnetic latching relay with a forward-mounted push connecting rod comprises an armature assembly and a base, wherein the armature assembly is hinged in the base, one side of a shell of the armature assembly is provided with a transmission arm which extends out, the end part of the transmission arm is matched with an open slot on the left side of the push connecting rod, the push connecting rod is installed in a guide groove of the base, and when the armature assembly rotates around a hinged point, the transmission arm drives the push connecting rod to slide in the guide groove.

The pushing connecting rod is composed of three parts, namely an armature combined connecting part on the left side, a movable spring connecting part on the right side and a pushing sliding connecting part in the middle, the armature combined connecting part is provided with an open slot, and a gap used for being matched with the movable spring is arranged between the movable spring connecting part and the sliding connecting part.

The front, the rear and the bottom of the push connecting rod are provided with semi-cylindrical guide posts.

The assembly sequence is: the movable reed is firstly arranged in the base, then the pushing connecting rod is inserted into the guide groove, meanwhile, the movable reed is also inserted into a gap between the movable reed connecting part and the sliding connecting part on the pushing connecting rod, finally, the armature combination is arranged, and the end part of the transmission arm of the armature combination is inserted into an open slot of the pushing connecting rod.

The lower end surface of the open slot is closed.

The armature assembly is mounted in the base by a mount.

The armature assembly is formed by a plastic shell covering an armature and a permanent magnet, the armature is made of two pieces of soft magnetic materials with different shapes, and one side of the plastic shell is provided with a stretching transmission arm.

The movable contact is arranged on the movable spring, and the fixed contact is arranged on the wall surface of the base opposite to the movable contact.

And a coil is arranged on the side surface of the armature combination.

The iron core penetrates through the coil and is formed by riveting with the yoke iron, the iron core is a soft magnetic material with steps arranged at two ends, and the yoke iron is made of two same soft magnetic materials.

The invention has the beneficial effects that:

the invention provides a magnetic latching relay with a sequentially-installed push connecting rod, wherein an opening formed in the push connecting rod is arranged at the upper end part of a part, a base, the push connecting rod and an armature assembly are sequentially installed during assembly, the push connecting rod and the armature assembly do not need to be assembled together and installed in the base, the production efficiency is greatly improved, and workpieces are prevented from being damaged during assembly. The semi-circular guide post that the promotion connecting rod side set up with, set up the semi-circular guide post in the bottom surface, semi-circular guide post and base guide way are line contact, and the contact surface is minimum, and it is little that the promotion connecting rod does not produce the interference in the slip engineering, and the action energy loss is little, promotes the connecting rod cross-over connection on armature combination and movable reed, and the action energy on the armature combination is conducted on the movable reed with few losses, makes relay contact system obtain high driving force and break-off force, makes the high reliability of relay realization switch-on and disconnection.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic latching relay for realizing sequential installation of push connecting rods.

Fig. 2 is a schematic structural diagram of an assembly section of the push connecting rod, the base and the armature of the invention.

Fig. 3 is a schematic diagram of a push rod bridging an armature assembly of an electromagnetic system and a movable spring of a contact system according to an embodiment of the invention.

FIG. 4 is a schematic view of the front opening of the push rod and the semicircular guide post according to the embodiment of the present invention.

Fig. 5 is a schematic view of the push link rear opening and the semi-circular guide post.

FIG. 6 is a schematic diagram of a base according to an embodiment of the present invention.

FIG. 7 is a schematic view of the assembly structure of the base and the push link according to the embodiment of the present invention.

Fig. 8 is a schematic view of a riveting structure of the coil, the core and the yoke according to the present invention.

In the figure: 1-base, 2-fixed frame, 3-armature combination, 4-coil, 5-iron core, 6-yoke, 7-conducting strip, 8-movable reed, 9-movable contact, 10-stationary contact, 11-pushing connecting rod, 12-stationary blade, 101-base guide slot, 302-armature combination plastic, 303-armature, 304-permanent magnet, 305-armature inclined plane, 401-winding, 402-framework, 1101-pushing connecting rod opening, 1102-pushing connecting rod guide column, 1103-pushing connecting rod guide column, and 1104-pushing connecting rod guide column.

Detailed Description

The preferred embodiments of the present invention will be further described with reference to the accompanying drawings, but the scope of the claimed invention is not limited thereto.

Example one

As shown in fig. 2 to 7, a push link forward mounted magnetic latching relay includes a base 1, an armature assembly 3, a fixed frame 2 and a coil 4, wherein the armature assembly 3 includes an armature 303, a permanent magnet 304 and a plastic 302. The armature 303 is tightly attached to the polar surface of the permanent magnet 304, the plastic 302 covers the armature 303 and the permanent magnet 304, and the rotating shaft 301 of the armature assembly 3 is arranged on the side surface of the polar surface of the permanent magnet 304; the coil 4 comprises a winding 401, a yoke 6, an iron core 5 and a framework 402, the winding 401 is wound on the framework 402, the iron core 5 penetrates through the framework 402, the yoke 6 is arranged on two ends of the iron core 5 and is riveted, the fixing frame 2 and the base 1 are provided with rotating shaft holes, the coil 4 is clamped on the base 1, and the armature assembly 3 is arranged on the base 1 and the fixing frame 2.

The pushing connecting rod 11 is composed of three parts, namely an armature combined connecting part on the left side, a movable reed connecting part on the right side and a pushing sliding connecting part in the middle, the armature combined connecting part is provided with an open slot 1101, and the lower end face of the open slot 1101 is closed. And a gap matched with the movable spring 8 is arranged between the movable spring connecting part and the sliding connecting part. The assembly sequence is: the movable spring 8 is firstly installed in the base 1, then the pushing connecting rod 11 is inserted into the guide groove 101, simultaneously the movable spring 8 is also inserted into the gap between the movable spring connecting part and the sliding connecting part on the pushing connecting rod 11, finally the armature assembly 3 is installed, and the end part of the driving arm of the armature assembly 3 is inserted into the opening groove 1101 of the pushing connecting rod 11.

The opening 1101 arranged on the pushing connecting rod 11 is arranged at the upper end part of the part, the base 1, the pushing connecting rod 11 and the armature assembly 3 are sequentially arranged in the assembly process, the pushing connecting rod 11 and the armature assembly 3 do not need to be assembled together and arranged in the base 1, the production efficiency is greatly improved, and the assembly damage to workpieces is avoided. The front, the rear and the bottom of the push connecting rod 11 are provided with semi-cylindrical guide posts. The semi-circular guide post 1102 that the promotion connecting rod 11 front set up, set up semi-circular guide post 1104 and bottom surface and set up semi-circular guide post 1103 at the back, semi-circular guide post and base guide way 101 are line contact, the contact surface is minimum, it is little to promote the connecting rod and do not produce the interference in the slip engineering, action energy loss is little, promote connecting rod 11 cross over connection 8 on armature combination 3 and movable reed, action energy on the armature combination 11 conducts movable reed 8 with few losses on, make relay contact system obtain high driving force and break-make force, make the high reliability that the relay realized switch-on and disconnection.

The iron core 5 penetrates through the coil 4 and is formed by riveting with the yoke 6, the iron core 5 is made of soft magnetic materials with steps arranged at two ends, the yoke 6 is made of two same soft magnetic materials, and the yoke 6 and the iron core 5 play a role in magnetic conduction.

The armature assembly 3 is formed by wrapping an armature 303 and a permanent magnet 302 by plastic 302, the armature 303 is made of two pieces of soft magnetic materials with different shapes, bosses are arranged at the ends of the two pieces of armatures, the bosses have the function of preventing assembly errors during production, inclined planes 305 are arranged at the two ends of the armature 303, and the contact area of a pole surface is effectively utilized; the permanent magnet 304 has the function of storing magnetic energy, so that the coil 4 does not need to be continuously electrified, and the on and off of the relay can be realized only by adding an instantaneous pulse signal to the input end.

The base 1 is provided with a guide groove 101, the guide groove 101 is used for pushing the connecting rod 11, and the guide groove 101 is arranged in a straight wall mode, so that the smooth sliding of the pushing connecting rod is guaranteed, and the interference phenomenon cannot occur.

Example 2

The side surface of the pushing connecting rod is set to be a plane, a guide post is not arranged, an opening is not arranged, and the pushing connecting rod and the armature are integrally installed in the base after being assembled.

The base guide groove and the pushing connecting rod are in clearance fit and adopt small clearance fit.

The armature iron combined plastic part is provided with a reverse buckle which is connected with the pushing connecting rod without loosening.