CN216435795U - Magnetic latching direct current relay - Google Patents
Magnetic latching direct current relay Download PDFInfo
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- CN216435795U CN216435795U CN202120814933.XU CN202120814933U CN216435795U CN 216435795 U CN216435795 U CN 216435795U CN 202120814933 U CN202120814933 U CN 202120814933U CN 216435795 U CN216435795 U CN 216435795U
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Abstract
The utility model discloses a magnetic latching direct current relay, wherein one end of a flexible control sheet is fixedly connected with a connecting frame, the other end of the flexible control sheet is provided with a first clamping block and a second clamping block, a clamping groove is formed between the first clamping block and the second clamping block, a pushing block is arranged on the pushing sheet and is matched with the clamping groove, a coil is connected with the pushing block through a pin, permanent magnet steel swings under the action of an electromagnetic field, the flexible control sheet is driven to move through the connecting frame, the pushing sheet is driven to slide in a sliding groove, and the end, provided with a movable contact, of the movable contact is driven to swing through the clamping connection of the pushing block and the movable contact, so that the opening and closing of the relay are completed.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to a magnetic latching direct current relay.
Background
The magnetic latching direct current relay generally comprises an electromagnet assembly, a movable armature assembly, a static reed assembly, a movable reed assembly, a control assembly, a relay base and a relay upper cover, wherein after an electromagnetic coil of the electromagnet assembly is excited, magnetic poles change and attract/repel each other with the armature assembly to enable the movable armature assembly to act, and the movable contact assembly is driven to act through the back-and-forth movement of the control assembly to realize the disconnection/closing of a movable/static contact.
However, most of the control assemblies of the existing magnetic latching direct-current relay adopt an integrated structure, and when the control assembly of the magnetic latching direct-current relay breaks down, the whole control assembly is required to be replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a magnetic latching direct current relay, and aims to solve the technical problems that in the prior art, most of control components of the existing magnetic latching direct current relay are formed by adopting an integrated structure, and when the control components of the magnetic latching direct current relay break down, the whole control components are required to be replaced.
In order to achieve the above purpose, the magnetic latching dc relay adopted by the present invention comprises a housing, a coil, a permanent magnet steel, a rotating frame, a connecting frame, a flexible control sheet, a pushing sheet, a movable reed and a stationary reed, wherein a partition is arranged inside the housing, the partition divides the interior of the housing into an installation area and a control area, the coil is arranged in the installation area, the rotating frame is arranged in the control area, the rotating frame is movably connected with the housing, a placing groove and a sliding groove are further arranged inside the housing, the installation area of the control area is provided with pins corresponding to the coil, the placing groove is located at one end of the installation area far away from the pins, the sliding groove is located inside the control area, the placing groove is perpendicular to the sliding groove, and the stationary reed and the movable reed are arranged inside the placing groove at intervals, the pushing piece is connected with the movable spring piece in a clamping mode and is positioned inside the sliding groove, and the pushing piece is perpendicular to the movable spring piece;
the rotating frame is provided with the permanent magnet steel, one end, far away from the placing groove, of the permanent magnet steel is sleeved with the connecting frame, one end of the flexible control sheet is fixedly connected with the connecting frame, the other end of the flexible control sheet is provided with a first clamping block and a second clamping block, a clamping groove is formed between the first clamping block and the second clamping block, a pushing block is arranged on the pushing sheet and matched with the clamping groove, a movable contact is arranged on the movable spring, a static contact is arranged on the static spring, and the movable contact corresponds to the static contact.
The rotating frame comprises a rotating shaft and a frame body, the rotating seat is further arranged inside the shell, one end of the rotating shaft is movably connected with the rotating seat, the other end of the rotating shaft is fixedly connected with the frame body, the frame body is sleeved outside the permanent magnet steel and located in the middle of the permanent magnet steel.
The partition plate is provided with an auxiliary plate, one end, far away from the rotating shaft, of the frame body is provided with a connecting shaft, a through hole is formed in the auxiliary plate, and the connecting shaft penetrates through the through hole.
And one end of the connecting shaft, which is far away from the frame body, is sleeved with a rubber ring.
The mounting structure comprises a mounting area, a coil, a mounting hole and a pin, wherein a mounting shell is arranged in the mounting area, the coil is arranged in the mounting shell, the mounting hole is formed in one end, far away from the placing groove, of the mounting shell, and the mounting hole is matched with the pin.
The movable reed is provided with a first clamping plate at one end close to the pushing piece, a second clamping plate is arranged at one end close to the movable reed, and the first clamping plate is matched with the second clamping plate.
The utility model has the beneficial effects that: one end of the flexible control sheet is fixedly connected with the connecting frame, the other end of the flexible control sheet is provided with a first clamping block and a second clamping block, a clamping groove is formed between the first clamping block and the second clamping block, the pushing sheet is provided with a pushing block, the pushing block is matched with the clamping groove, the coil is connected with electricity through the pin, the permanent magnet steel swings under the action of an electromagnetic field, so that the flexible control sheet is driven to move through the connecting frame, the pushing sheet is driven to slide in the sliding groove, the pushing block is connected with the movable spring leaf in a clamping manner, one end of the movable spring leaf provided with the movable contact is driven to swing, the opening and closing of the relay is completed, and the control structure of the magnetic latching direct current relay is formed by separating the connecting frame, the flexible control sheet, the pushing sheet and the movable spring leaf, when a certain element is damaged, the replacement is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of the magnetically held dc relay of the present invention.
Fig. 2 is an enlarged view of a portion of the structure of fig. 1 a according to the present invention.
Fig. 3 is a partial structural schematic diagram of the magnetically latching dc relay of the present invention.
1-shell, 2-coil, 3-permanent magnet steel, 4-rotating frame, 5-connecting frame, 6-flexible control sheet, 7-pushing sheet, 8-movable spring sheet, 9-static spring sheet, 10-partition board, 11-mounting area, 12-control area, 13-placing groove, 14-sliding groove, 15-pin, 16-first clamping block, 17-second clamping block, 18-pushing block, 19-movable contact, 20-static contact, 21-rotating shaft, 22-frame body, 23-rotating seat, 24-auxiliary sheet, 25-connecting shaft, 26-rubber ring, 27-mounting shell, 28-first clamping plate and 29-second clamping plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides a magnetic latching dc relay, including a housing 1, a coil 2, a permanent magnetic steel 3, a rotating frame 4, a connecting frame 5, a flexible control sheet 6, a pushing sheet 7, a movable spring 8 and a stationary spring 9, wherein a partition 10 is disposed inside the housing 1, the partition 10 partitions the interior of the housing 1 into an installation region 11 and a control region 12, the coil 2 is disposed inside the installation region 11, the rotating frame 4 is disposed inside the control region 12, the rotating frame 4 is movably connected to the housing 1, a placement slot 13 and a sliding slot 14 are further disposed inside the housing 1, the installation region 11 of the control region 12 is provided with a pin 15, the pin 15 corresponds to the coil 2, the placement slot 13 is located at an end of the installation region 11 away from the pin 15, the sliding slot 14 is located inside the control region 12, the placing groove 13 is perpendicular to the sliding groove 14, the static spring plate 9 and the movable spring plate 8 are arranged in the placing groove 13 at intervals, the pushing piece 7 is connected with the movable spring plate 8 in a clamping manner and is positioned in the sliding groove 14, and the pushing piece 7 is perpendicular to the movable spring plate 8;
the rotating frame 4 is provided with the permanent magnet steel 3, one end of the permanent magnet steel 3, which is far away from the placing groove 13, is sleeved with the connecting frame 5, one end of the flexible control sheet 6 is fixedly connected with the connecting frame 5, the other end of the flexible control sheet 6 is provided with a first clamping block 16 and a second clamping block 17, a clamping groove is formed between the first clamping block 16 and the second clamping block 17, the pushing sheet 7 is provided with a pushing block 18, the pushing block 18 is matched with the clamping groove, the movable spring 8 is provided with a movable contact 19, the stationary spring 9 is provided with a stationary contact 20, and the movable contact 19 corresponds to the stationary contact 20.
In this embodiment, one end of the permanent magnet steel 3, which is far away from the placement groove 13, is sleeved with the connection frame 5, one end of the flexible control sheet 6 is fixedly connected with the connection frame 5, the other end of the flexible control sheet 6 is provided with a first fixture block 16 and a second fixture block 17, a clamping groove is formed between the first fixture block 16 and the second fixture block 17, the pushing sheet 7 is provided with a pushing block 18, the pushing block 18 is adapted to the clamping groove, the coil 2 is electrically connected through the pin 15, the permanent magnet steel 3 is made to swing under the action of an electromagnetic field, so that the flexible control sheet 6 is driven to move through the connection frame 5, the pushing block 18 is located between the first fixture block 16 and the second fixture block 17, so that the pushing sheet 7 is driven to slide in the sliding groove 14 when the flexible control sheet 6 moves, the pushing block 18 is connected with the movable spring 8 in a clamping manner, so that one end, provided with the movable contact 19, of the movable spring 8 is driven to swing, and the opening and closing of the relay are completed.
Further, the rotating frame 4 comprises a rotating shaft 21 and a frame body 22, a rotating seat 23 is further arranged inside the shell 1, one end of the rotating shaft 21 is movably connected with the rotating seat 23, the other end of the rotating shaft 21 is fixedly connected with the frame body 22, and the frame body 22 is sleeved outside the permanent magnet steel 3 and is located in the middle of the permanent magnet steel 3.
In this embodiment, the rotating shaft 21 is inserted into the rotating seat 23, so that the rotating frame 4 is movably connected with the housing 1, and the magnetic field generated by the coil 2 after being energized drives the permanent magnet steel 3 to swing, so that the flexible control piece 6 controls the opening and closing of the movable contact 19 and the fixed contact 20, and the frame 22 is fixedly connected with the rotating shaft 21, so that the structure is more firm by adopting an integral molding technology during manufacturing.
Furthermore, an auxiliary piece 24 is arranged on the partition board 10, a connecting shaft 25 is arranged at one end of the frame 22 away from the rotating shaft 21, a through hole is arranged on the auxiliary piece 24, and the connecting shaft 25 penetrates through the through hole.
In this embodiment, the auxiliary piece 24 is made of a flexible material, and the rotating shaft 21 is inserted into the rotating seat 23, so that after the frame 22 is movably connected to the housing 1, the connecting shaft 25 penetrates through the through hole, and the auxiliary piece 24 is pressed on the connecting shaft 25, thereby further stabilizing the structure of the rotating frame 4.
Further, one end of the connecting shaft 25 away from the frame 22 is sleeved with a rubber ring 26.
In this embodiment, after the connecting shaft 25 is inserted into the through hole, the rubber ring 26 is sleeved on the connecting shaft 25, so that the connection between the connecting shaft 25 and the auxiliary piece 24 is more stable.
Further, a mounting shell 27 is arranged inside the mounting area 11, the coil 2 is arranged inside the mounting shell 27, and a mounting hole is arranged at one end of the mounting shell 27 away from the placing groove 13, and the mounting hole is matched with the pin 15.
In the present embodiment, the lead 15 is inserted into the mounting hole, thereby completing the mounting of the lead 15 of the coil 2.
Further, a first clamping plate 28 is arranged at one end, close to the pushing piece 7, of the movable spring 8, a second clamping plate 29 is arranged at one end, close to the movable spring 8, of the pushing piece 7, and the first clamping plate 28 is matched with the second clamping plate 29.
In this embodiment, the pin 15 is connected to a current, so that the permanent magnet steel 3 swings under the action of an electromagnetic field, the first fixture block 16 and the second fixture block 17 on the flexible control board drive the pushing piece 7 to slide, the second fixture block 29 abuts against the first fixture block 28, the movable spring 8 is driven to swing, the movable contact 19 is separated from the stationary contact 20, and an open circuit is completed.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (6)
1. A magnetic latching direct current relay is characterized in that,
the coil comprises a shell, a coil, permanent magnet steel, a rotating frame, a connecting frame, a flexible control sheet, a pushing sheet, a movable spring and a movable spring, wherein a partition plate is arranged in the shell and divides the interior of the shell into an installation area and a control area, the coil is arranged in the installation area, the rotating frame is arranged in the control area, the rotating frame is movably connected with the shell, a placing groove and a sliding groove are also arranged in the shell, the installation area of the control area is provided with pins, the pins correspond to the coil, the placing groove is positioned at one end of the installation area far away from the pins and is positioned in the control area, the placing groove is mutually vertical to the sliding groove, the fixed spring and the movable spring are arranged in the placing groove at intervals, and the pushing sheet is connected with the movable spring in a clamping manner, the pushing sheet is positioned in the sliding groove, and the pushing sheet is perpendicular to the movable spring plate;
the rotating frame is provided with the permanent magnet steel, one end, far away from the placing groove, of the permanent magnet steel is sleeved with the connecting frame, one end of the flexible control sheet is fixedly connected with the connecting frame, the other end of the flexible control sheet is provided with a first clamping block and a second clamping block, a clamping groove is formed between the first clamping block and the second clamping block, a pushing block is arranged on the pushing sheet and matched with the clamping groove, a movable contact is arranged on the movable spring, a static contact is arranged on the static spring, and the movable contact corresponds to the static contact.
2. A magnetically held DC relay according to claim 1,
the rotating frame comprises a rotating shaft and a frame body, the rotating seat is further arranged inside the shell, one end of the rotating shaft is movably connected with the rotating seat, the other end of the rotating shaft is fixedly connected with the frame body, and the frame body is sleeved outside the permanent magnet steel and located in the middle of the permanent magnet steel.
3. A magnetically held DC relay according to claim 2,
the baffle is provided with an auxiliary sheet, one end of the frame body, which is far away from the rotating shaft, is provided with a connecting shaft, the auxiliary sheet is provided with a through hole, and the connecting shaft penetrates through the through hole.
4. A magnetically held DC relay according to claim 3,
one end, far away from the frame body, of the connecting shaft is sleeved with a rubber ring.
5. A magnetically held DC relay according to claim 1,
the inside of installing zone is provided with the installation shell, the inside of installation shell is provided with the coil, the installation shell is kept away from the one end of standing groove is provided with the mounting hole, the mounting hole with pin looks adaptation.
6. A magnetically held DC relay according to claim 1,
one end, close to the pushing piece, of the movable reed is provided with a first clamping plate, one end, close to the movable reed, of the pushing piece is provided with a second clamping plate, and the first clamping plate is matched with the second clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814933.XU CN216435795U (en) | 2021-04-20 | 2021-04-20 | Magnetic latching direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814933.XU CN216435795U (en) | 2021-04-20 | 2021-04-20 | Magnetic latching direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216435795U true CN216435795U (en) | 2022-05-03 |
Family
ID=81316362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120814933.XU Active CN216435795U (en) | 2021-04-20 | 2021-04-20 | Magnetic latching direct current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216435795U (en) |
-
2021
- 2021-04-20 CN CN202120814933.XU patent/CN216435795U/en active Active
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