CN212182235U

CN212182235U - Novel alternating current contactor

Info

Publication number: CN212182235U
Application number: CN202021445836.XU
Authority: CN
Inventors: 李新峰; 李新研; 胡波
Original assignee: Yueqing Senheng Electrical Appliances Co ltd
Current assignee: Yueqing Senheng Electrical Appliances Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-12-18
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a novel alternating current contactor, including casing and last casing down, the upper surface of casing is connected with last casing down, and the middle part fixed mounting of casing lower extreme internal surface has the fixing base down, and the upper surface mounting of fixing base has counter-force spring, and counter-force spring's upper end fixedly connected with pottery seat, one side fixed mounting that the internal lower surface of inferior valve is close to the fixing base have first iron core, and the outside cover of first iron core is equipped with first coil, and the tip of wire extends to the outside of casing down on the first coil. The utility model discloses when installing and using in the switch board, when counter-force spring elasticity lost in frequent compression, the in-process that resets, the normal separation between movable contact block and the fixed contact block can be ensured in the setting of reset spring and second coil, second iron core, and then has ensured ac contactor to the accurate control of affiliated circuit, combines whole ac contactor's installation convenient to use, and then is favorable to using.

Description

Novel alternating current contactor

Technical Field

The utility model relates to an ac contactor technical field especially relates to a novel ac contactor.

Background

The alternating current contactor is applied to electric power, power distribution and power utilization occasions, and can control connection and disconnection of a connected circuit in the use process, however, when the traditional alternating current contactor is installed and used, along with the fact that the alternating current contactor frequently controls connection or disconnection of the connected circuit for a long time, the elastic performance of a spring in the alternating current contactor is weakened and disappears; and under the condition that the elastic property of the spring is weakened and disappeared, namely the whole alternating current contactor is damaged at the moment, the accurate control of the connected circuit can not be realized. To this end, we propose a new type of ac contactor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel alternating current contactor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel alternating current contactor comprises a lower shell and an upper shell, wherein the upper surface of the lower shell is connected with the upper shell, the middle part of the inner surface of the lower end of the lower shell is fixedly provided with a fixed seat, the upper surface of the fixed seat is provided with a counter-force spring, the upper end of the counter-force spring is fixedly connected with a ceramic seat, one side of the inner lower surface of the lower shell, which is close to the fixed seat, is fixedly provided with a first iron core, the outer part of the first iron core is sleeved with a first coil, the end part of a metal wire on the first coil extends to the outer part of the lower shell, one side of the inner upper surface of the lower shell, which is far away from the first coil, is provided with a second iron core, the second iron core is sleeved with a second coil, the end part of the metal wire on the second coil extends to the outer part of the lower shell, and the outer, the utility model discloses a ceramic seat, including ceramic seat, casing, insulator, lead wire rod, wire holder, ceramic seat's up end fixed mounting has the gangbar of vertical state, the upper end of gangbar runs through the middle part of casing up end down and extends to in the casing, the insulating seat of upper end fixedly connected with of gangbar, the upper end fixedly connected with conducting rod of insulating seat, just insulating seat connects at the middle part of conducting rod lower surface, the both ends welding of conducting rod lower surface has the movable contact block, it is equipped with the connector lug to run through on the conch wall of the last casing that corresponds movable contact block below, the last skin weld that the connector lug is located the inside one.

Preferably, the linkage rod is arranged on the rod body part inside the upper shell, a return spring is sleeved on the rod body part, the upper end of the return spring is connected with the lower end of the insulating seat, and the lower end of the return spring is connected to the outer surface of the upper end of the lower shell.

Preferably, the part inside the upper shell and above the conducting rod is provided with an arc-shaped arc-extinguishing cover, and two ends of the arc-extinguishing cover extend to the outer sides of two ends of the conducting rod.

Preferably, the brackets are welded on two sides of the outer surface of the lower end of the upper shell, the lower ends of the brackets are connected with the upper surface of the corresponding lower shell, and the mounting lugs are welded on two sides of the outer surface of the upper end of the upper shell.

Preferably, a first protective pipe is arranged on the first coil through a wire sleeve of the shell wall of the lower shell, and a second protective pipe is arranged on the second coil through a wire sleeve of the shell wall of the lower shell.

The utility model provides a pair of novel AC contactor, beneficial effect lies in: in the using process of the scheme, the two connector lugs are respectively connected with the end parts of two wires belonging to the same circuit, at the moment, under the condition that a metal wire positioned on the first coil and outside the lower shell is electrified, the first iron core generates magnetic force and attracts the corresponding armature, the attracted armature is contacted with the upper end of the first iron core, a counter-force spring is compressed in the process that the armature is contacted with the upper end of the first iron core, at the moment, through the linkage of a ceramic seat, a linkage rod and an insulating seat, a reset spring is compressed, a conducting rod moves downwards close to a fixed contact block and finally the contact of the movable contact block and the fixed contact block is realized, at the moment, the electric connection between the two connector lugs is realized, and further the communication of the circuit to which the alternating current contactor belongs is realized.

When the circuit of the alternating current contactor is required to be disconnected, the metal wire positioned on the first coil and positioned outside the lower shell is powered off, the magnetic force of the first iron core disappears, the metal wire positioned on the second coil and positioned outside the lower shell is further powered on, the second iron core generates magnetic force and attracts the corresponding armature upwards, and the movable contact block and the fixed contact block can be ensured to be separated by combining the reset of the reaction spring and the reset spring, so that the circuit of the alternating current contactor is disconnected, when the reactive force spring is elastically lost in the frequent compression and reset processes, the arrangement of the reset spring, the second coil and the second iron core can ensure the normal separation between the movable contact block and the fixed contact block, therefore, the accurate control of the circuit of the alternating current contactor is ensured, and the whole alternating current contactor is convenient to install and use and further beneficial to use.

Drawings

Fig. 1 is a cross-sectional view of the internal structure of a novel ac contactor according to the present invention;

fig. 2 is a front view of the novel ac contactor according to the present invention.

In the figure: the device comprises a lower shell 1, a toggle plate 2, an insulating base 3, an upper shell 4, a mounting lug 5, an arc extinguishing cover 6, a conducting rod 7, a movable contact block 8, a fixed contact block 9, a return spring 10, an armature 11, a first coil 12, a first protective tube 121, a first iron core 122, a second coil 13, a second protective tube 131, a second iron core 132, a fixed base 14, a counter-force spring 15, a ceramic base 16, a linkage rod 21 and a connector lug 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel ac contactor, including casing 1 and last casing 4 down, the upper surface of casing 1 is connected with last casing 4 down, and all welded the bracket 2 in the both sides of the lower extreme surface of last casing 4, and the lower extreme of bracket 2 is connected with the upper surface of the casing 1 down that corresponds, and the welding of the both sides of the upper end surface of last casing 4 has installation ear 5, and bracket 2 and installation ear 5's cooperation installation for form comparatively firm being connected between last casing 4 and the casing 1 down, promote structural strength.

A fixed seat 14 is fixedly arranged in the middle of the inner surface of the lower end of the lower shell 1, a reaction spring 15 is arranged on the upper surface of the fixed seat 14, a ceramic seat 16 is fixedly connected to the upper end of the reaction spring 15, a first iron core 122 is fixedly arranged on one side of the inner lower surface of the lower shell 1 close to the fixed seat 14, a first coil 12 is sleeved outside the first iron core 122, the end of a metal wire on the first coil 12 extends to the outside of the lower shell 1, a second iron core 132 is arranged on the inner upper surface of the lower shell 1 and one side far away from the first coil 12, a second coil 13 is sleeved on the second iron core 132, the end of the metal wire on the second coil 13 extends to the outside of the lower shell 1, a first protective tube 121 is sleeved on the metal wire on the first coil 12 penetrating through the shell wall of the lower shell 1, the first protective tube 121 can play a protective role on the metal wire on the first coil 12 penetrating through the lower shell 1, a second protective tube 131 is sleeved on the second coil, the second protection tube 131 can protect the wire on the second coil 13 penetrating through the lower housing 1.

The equal fixedly connected with armature 11 of part that the outer anchor ring of ceramic seat 16 corresponds first iron core 122 tip and second iron core 132 tip, ceramic seat 16's up end fixed mounting has the gangbar 21 of vertical state, the upper end of gangbar 21 runs through the middle part of casing 1 up end down and extends to in the casing 4, the insulating seat 3 of upper end fixedly connected with of gangbar 21, the inside body of rod part cover that the gangbar 21 is located upper casing 4 is equipped with reset spring 10, reset spring 10's upper end is connected with the lower extreme of insulating seat 3, reset spring 10's lower extreme is connected to the surface of casing 1 upper end down.

The upper end fixedly connected with conducting rod 7 of insulator seat 3, and insulator seat 3 connects the middle part at conducting rod 7 lower surface, the both ends welding of conducting rod 7 lower surface has movable touch multitouch 8, it is equipped with connector lug 22 to run through on the conch wall of last casing 4 that corresponds below movable touch multitouch 8, the last surface welding that connector lug 22 is located the inside one end of last casing 4 has decides touch multitouch 9, the inside part that just is located conducting rod 7 top of going up casing 4 is equipped with and is curved arc-extinguish chamber 6, the both ends of arc-extinguish chamber 6 extend to the outside at conducting rod 7 both ends.

The use principle and the advantages are as follows: the utility model discloses in the in-process that uses, be connected two connector lug 22 respectively with the tip of two wires that same circuit belongs to, this moment through lie in down under the circumstances that the outside wire of casing 1 carried out the circular telegram on first coil 12, first iron core 122 produces magnetic force and attracts corresponding armature 11, the armature 11 that is attracted contacts with the upper end of first iron core 122, the in-process counter force spring 15 that contacts on armature 11 and first iron core 122 is compressed, this moment through ceramic seat 16, the linkage of gangbar 21 and insulator seat 3, reset spring 10 is compressed, conducting rod 7 is being close to the downstream of deciding touch multitouch 9 and finally realizing contacting of moving touch multitouch 8 with deciding touch multitouch 9, realize the electricity between two connector lug 22 promptly this moment, and then realize the intercommunication of the circuit that alternating current contactor belongs to.

When the circuit to which the ac contactor belongs needs to be disconnected, at this time, the wire on the first coil 12 located outside the lower case 1 is powered off, the magnetic force of the first iron core 122 disappears, the wire on the second coil 13 located outside the lower case 1 is further powered on, the second iron core 132 generates magnetic force and attracts the corresponding armature 11 upwards, the separation between the movable contact block 8 and the fixed contact block 9 can be ensured in combination with the reset of the reaction spring 15 and the reset spring 10, the disconnection of the circuit to which the ac contactor belongs is realized at this time, and when the reaction spring 15 loses elasticity during frequent compression and reset, the normal separation between the movable contact block 8 and the fixed contact block 9 can be ensured by the arrangement of the reset spring 10, the second coil 13 and the second iron core 132, the accurate control of the circuit to which the ac contactor belongs is ensured, and the installation and use of the whole ac contactor are convenient, thereby facilitating the use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel alternating current contactor comprises a lower shell (1) and an upper shell (4), and is characterized in that the upper surface of the lower shell (1) is connected with the upper shell (4), a fixing seat (14) is fixedly arranged in the middle of the inner surface of the lower end of the lower shell (1), a reaction spring (15) is arranged on the upper surface of the fixing seat (14), a ceramic seat (16) is fixedly connected to the upper end of the reaction spring (15), a first iron core (122) is fixedly arranged on one side, close to the fixing seat (14), of the lower surface of the inner portion of the lower shell (1), a first coil (12) is sleeved outside the first iron core (122), the end portion of a metal wire on the first coil (12) extends to the outer portion of the lower shell (1), a second iron core (132) is arranged on one side, far away from the first coil (12), of the upper surface of the inner portion of the lower shell (1), the second coil (13) is sleeved on the second iron core (132), the end part of a metal wire on the second coil (13) extends to the outside of the lower shell (1), the parts of the outer annular surface of the ceramic seat (16) corresponding to the end part of the first iron core (122) and the end part of the second iron core (132) are fixedly connected with armatures (11), the upper end surface of the ceramic seat (16) is fixedly provided with a vertical linkage rod (21), the upper end of the linkage rod (21) penetrates through the middle part of the upper end surface of the lower shell (1) and extends into the upper shell (4), the upper end of the linkage rod (21) is fixedly connected with an insulating seat (3), the upper end of the insulating seat (3) is fixedly connected with a conductive rod (7), the insulating seat (3) is connected to the middle part of the lower surface of the conductive rod (7), and movable contact blocks (8) are welded at two ends of the lower surface of the conductive rod (, the connector lug (22) penetrates through the wall of the upper shell (4) corresponding to the lower part of the movable contact block (8), and the upper surface of one end, located at the inner part of the upper shell (4), of the connector lug (22) is welded with the fixed contact block (9).

2. The novel alternating current contactor as claimed in claim 1, wherein a rod body part of the linkage rod (21) located inside the upper casing (4) is sleeved with a return spring (10), the upper end of the return spring (10) is connected with the lower end of the insulating base (3), and the lower end of the return spring (10) is connected to the outer surface of the upper end of the lower casing (1).

3. A new type of ac contactor according to claim 1, characterized in that the portion inside said upper case (4) and above said conducting rod (7) is provided with arc-shaped arc-extinguishing chamber (6), and both ends of said arc-extinguishing chamber (6) extend to the outside of both ends of said conducting rod (7).

4. The novel alternating current contactor as claimed in claim 1, wherein toggle plates (2) are welded on both sides of the outer surface of the lower end of the upper shell (4), the lower ends of the toggle plates (2) are connected with the corresponding upper surface of the lower shell (1), and mounting lugs (5) are welded on both sides of the outer surface of the upper end of the upper shell (4).

5. A new type of ac contactor according to claim 1, characterized in that the wire through the wall of the lower casing (1) of said first coil (12) is sheathed with a first protective tube (121), and the wire through the wall of the lower casing (1) of said second coil (13) is sheathed with a second protective tube (131).