CN212542288U - Coil rack of electromagnetic relay - Google Patents
Coil rack of electromagnetic relay Download PDFInfo
- Publication number
- CN212542288U CN212542288U CN202021606508.3U CN202021606508U CN212542288U CN 212542288 U CN212542288 U CN 212542288U CN 202021606508 U CN202021606508 U CN 202021606508U CN 212542288 U CN212542288 U CN 212542288U
- Authority
- CN
- China
- Prior art keywords
- supporting seat
- groove
- yoke
- hollow cylinder
- iron core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electromagnets (AREA)
Abstract
The utility model discloses an electromagnetic relay coil rack, which comprises a first supporting seat and a second supporting seat, wherein a hollow cylinder body is arranged between the first supporting seat and the second supporting seat; the first support seat is provided with a first through groove, the second support seat is provided with a second through groove, and the first through groove is communicated with the second through groove through the hollow cylinder; ribs for positioning the iron core are longitudinally arranged on the inner wall of the hollow cylinder; a step-shaped step is arranged in the second through groove; the upper end of the second supporting seat is provided with a limiting boss, and the inner end face of the limiting boss is matched with the outer end face of the yoke; both ends of the limiting boss are provided with limiting pieces used for positioning the side end faces of the yoke iron; the mounting grooves for mounting the coil leading-out terminals are formed in the two ends of the limiting bosses. The utility model discloses an offer the step of echelonment along the circumferencial direction in the second through-groove of second supporting seat, will warp and concentrate on the region below the step, guarantee that the iron core above the step can reliably, contact steadily with the yoke.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic relay, a electromagnetic relay coil former is related to.
Background
The electromagnetic relay is an electric control device, widely used in household appliances, remote control, communication and automation control circuits, and is an automatic switch which essentially controls the large current of an output loop through the small current of an input loop. The coil rack of the electromagnetic relay is usually made of thermoplastic plastics, and the coil rack can deform to different degrees after injection molding; if the coil former warp, the coil former can take place to warp with iron core, yoke riveting region, can not reliably contact when leading to iron core and yoke riveting, finally leads to the magnetic circuit riveting bad, and the magnetic circuit riveting qualification rate receives the influence. Meanwhile, because the iron core and the yoke are unstable in contact, the coil frame deforms under a high-temperature environment, the riveting effect of the iron core and the yoke is poorer, the iron core and the yoke are directly riveted to fail seriously, the iron core, the yoke and the coil are separated, and a magnetic circuit system fails, so that the whole relay product fails and very serious consequences are caused.
Disclosure of Invention
The utility model provides a technical problem lie in providing an electromagnetic relay coil former, the iron core of guaranteeing the step top is stable plane that can not warp with the riveting region of yoke, will warp and concentrate on the region below the step to ensure that the magnetic circuit riveting situation is good, stable.
The utility model discloses a realize through following technical scheme:
a coil rack of an electromagnetic relay comprises a first supporting seat and a second supporting seat positioned above the first supporting seat, wherein a hollow cylinder is arranged between the first supporting seat and the second supporting seat;
the first support seat is provided with a first through groove matched with one end of the hollow cylinder, the second support seat is provided with a second through groove matched with the other end of the hollow cylinder, and the first through groove is communicated with the second through groove through the hollow cylinder;
ribs for positioning the iron core are longitudinally arranged on the inner wall of the hollow cylinder;
step-shaped steps are arranged in the second through groove along the circumferential direction; the edge of the upper end part of the step is flush with the upper edge of the second through groove;
the upper end of the second supporting seat is provided with a limiting boss for positioning the yoke, and the inner end surface of the limiting boss is matched with the outer end surface of the yoke arranged on the second supporting seat; both ends of the limiting boss are provided with limiting pieces used for positioning the side end faces of the yoke iron;
the two ends of the limiting boss are provided with mounting grooves for mounting coil leading-out terminals.
Further, the height of the step is 0.03 mm-0.05 mm.
Further, the step is a round step or a square step.
Furthermore, the rib include three, three rib along the circumferencial direction evenly distributed on the inner wall of cavity barrel.
Furthermore, the length of the ribs is 0.5-3 mm.
Furthermore, the cross section of the rib is triangular.
Furthermore, the ribs are arranged close to the upper end opening of the hollow cylinder body.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses an electromagnetic relay coil former offers the step of echelonment through the second through-channel inslot at the second supporting seat along the circumferencial direction, will warp and concentrate on the region below the step, guarantees that the iron core and the yoke of step top can reliably, contact steadily when riveting. In order to prevent the iron core from rotating when riveting with coil former, yoke, the utility model discloses vertically set up the rib that is used for fixing a position the iron core on the inner wall of cavity barrel, carry on spacingly to the iron core during riveting, prevent that the iron core from rotating. The utility model discloses with the step of echelonment is designed into in the riveting region of coil former and iron core, yoke, ensure that the step face of coil former on iron core, yoke riveting region is a stable plane that can not warp, let warp and concentrate on the region below the step, guarantee the stable contact of iron core and yoke to ensure that magnetic circuit riveting situation is good, stable. The utility model discloses when high temperature environment uses, even the coil former takes place to warp also the regional emergence below the step, the yoke and the iron core riveting situation of step top can not receive the influence to ensure that the electromagnetic relay product can reliably, work steadily under the high temperature situation.
Drawings
Fig. 1 is a schematic structural diagram of a coil frame of an electromagnetic relay according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the coil frame, the iron core and the yoke of the electromagnetic relay of the present invention;
fig. 3 is a top view of the coil bobbin of the electromagnetic relay of the present invention.
Wherein 101 is a first supporting seat, 102 is a second supporting seat, 103 is a hollow cylinder, 104 is a first through groove, 105 is a second through groove, 106 is a rib, 107 is a step, 108 is a limit boss, 109 is a limiting member, 110 is a mounting groove, 8 is an iron core, and 9 is a yoke.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1, 2 and 3, an electromagnetic relay coil rack comprises a first supporting seat 101 and a second supporting seat 102 positioned above the first supporting seat 101, wherein a hollow cylinder 103 is arranged between the first supporting seat 101 and the second supporting seat 102;
the first supporting seat 101 is provided with a first through groove 104 matched with one end of the hollow cylinder 103, the second supporting seat 102 is provided with a second through groove 105 matched with the other end of the hollow cylinder 103, and the first through groove 104 is communicated with the second through groove 105 through the hollow cylinder 103;
a step-shaped step 107 is arranged in the second through groove 105 along the circumferential direction; the edge of the upper end of the step 107 is flush with the upper edge of the second through groove 105;
a limiting boss 108 for positioning the yoke 9 is arranged at the upper end of the second support seat 102, and the inner end surface of the limiting boss 108 is matched with the outer end surface of the yoke 9 arranged on the second support seat 102; both ends of the limiting boss 108 are provided with limiting pieces 109 for positioning the side end faces of the yoke 9;
the two ends of the limiting boss 108 are provided with mounting grooves 110 for mounting coil leading-out terminals.
Specifically, the iron core 8 is arranged in the hollow cylinder 103; yoke 9 is L type yoke, and L type yoke includes horizontal segment and vertical section, and its horizontal segment cover is on exposing the iron core 8 of second supporting seat 102, and the surface laminating of its horizontal segment and second supporting seat 102.
The utility model discloses a set up the step 107 of echelonment along the circumferencial direction in the second through groove 105 of second supporting seat 102, will warp and concentrate on the region below the step 107, guarantee that the iron core 8 and the yoke 9 of step 107 top can be reliable, stable contact when riveting. The utility model discloses rivet the dress region with coil former and iron core 8, yoke 9 and design into echelonment step 107, guarantee that iron core 8, yoke 9 rivet the step top region of coil former on the region and be a stable plane that can not warp, let warp and concentrate on the region below step 107, guarantee iron core 8 and yoke 9 stable contact, thereby guarantee that the magnetic circuit riveting situation is good, stable, avoid appearing the coil former in traditional electromagnetic relay structure because the deformation of different degrees after the injection molding, finally lead to the bad condition of magnetic circuit riveting; simultaneously in order to prevent that iron core 8 and coil former, yoke 9 from taking place to rotate the phenomenon when the riveting, the utility model discloses vertically set up the rib 106 that is used for fixing a position iron core 8 on the inner wall of the cavity barrel 103 of coil former, carry on spacingly to iron core 8 during the riveting, prevent that iron core 8 from rotating.
The utility model provides an electromagnetic relay coil former not only can ensure that magnetic circuit situation is good when riveting, and it packs into the electromagnetic relay product after the riveting of magnetic circuit, when using under customer end high temperature operational environment, also can not be like traditional coil former structure because plastic material produces plastic deformation under the high temperature for coil former and yoke 9, iron core 8 riveting can take place slight deformation under the regional high temperature, thereby produce the influence to the riveting situation, and then influence magnetic circuit. The utility model provides an electromagnetic relay coil former can effectively solve this deformation problem, because coil former and iron core 8, the step 107 of echelonment is designed into in the cooperation region of yoke 9, the product is when high temperature environment uses, even the coil former takes place to warp also the regional emergence below step 107, step 107 top regional yoke 9, iron core 8's riveting situation can not receive the influence, thereby it is reliable and stable to have ensured magnetic circuit, magnetic circuit has stably guaranteed product suction stability, play very critical effect in electromagnetic relay action in-process, thereby ensure that the electromagnetic relay product can be reliable under the high temperature situation, stable work, more selections are provided for the customer.
Further, the height of the step 107 is 0.03mm to 0.05 mm.
Further, the step 107 is a circular step or a square step.
Further, the number of the ribs 106 is three, and the three ribs 106 are uniformly distributed on the inner wall of the hollow cylinder 103 along the circumferential direction.
Furthermore, the length of the ribs 106 is 0.5-3 mm.
Further, the cross section of the rib 106 is triangular.
Further, the ribs 106 are disposed near the upper port of the hollow cylinder 103.
By the technical scheme, the utility model provides an electromagnetic relay coil former offers the step 107 of echelonment through following the circumferencial direction in the second through-groove 105 at second supporting seat 102, will warp and concentrate on the region below the step 107, guarantees that the iron core 8 and the yoke 9 of step 107 top can reliably, contact steadily when riveting. In order to prevent that iron core 8 from taking place to rotate the phenomenon when riveting with coil former, yoke 9, the utility model discloses vertically set up the rib 106 that is used for fixing a position iron core 8 on the inner wall of cavity barrel 103, carry on spacingly to iron core 8 during the riveting, prevent that iron core 8 from rotating. The utility model discloses with the step 107 of echelonment is designed into in coil former and iron core 8, yoke 9's riveting region, guarantee that iron core 8, yoke 9's riveting region more than step 107 is a stable plane that can not warp, let warp and concentrate on the region below the step 107, guarantee iron core 8 and yoke 9's steady contact to ensure that the magnetic circuit riveting situation is good, stable. The utility model discloses when high temperature environment uses, even the coil former takes place to warp also the regional emergence below step 107, the yoke 9 and the 8 riveting situations of iron core of step 107 top can not receive the influence to ensure that the electromagnetic relay product can reliably, work steadily under the high temperature situation.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (7)
1. A coil rack of an electromagnetic relay is characterized by comprising a first supporting seat (101) and a second supporting seat (102) positioned above the first supporting seat, wherein a hollow cylinder (103) is arranged between the first supporting seat (101) and the second supporting seat (102);
a first through groove (104) matched with one end of the hollow cylinder (103) is formed in the first supporting seat (101), a second through groove (105) matched with the other end of the hollow cylinder (103) is formed in the second supporting seat (102), and the first through groove (104) is communicated with the second through groove (105) through the hollow cylinder (103);
ribs (106) for positioning the iron core (8) are longitudinally arranged on the inner wall of the hollow cylinder (103);
a step-shaped step (107) is arranged in the second through groove (105) along the circumferential direction; the edge of the upper end part of the step (107) is flush with the upper edge of the second through groove (105);
the upper end of the second supporting seat (102) is provided with a limiting boss (108) for positioning the yoke (9), and the inner end surface of the limiting boss (108) is matched with the outer end surface of the yoke (9); both ends of the limiting boss (108) are provided with limiting pieces (109) used for positioning the side end face of the yoke (9);
and mounting grooves (110) for mounting the coil leading-out terminal (5) are formed at two ends of the limiting boss (108).
2. The coil bobbin for electromagnetic relays according to claim 1, wherein the height of the step (107) is 0.03mm to 0.05 mm.
3. An electromagnetic relay coil former according to claim 1, characterised in that the step (107) is a circular step or a square step.
4. The coil bobbin for electromagnetic relays according to claim 3, wherein the number of the ribs (106) is three, and the three ribs (106) are uniformly distributed on the inner wall of the hollow cylinder (103) along the circumferential direction.
5. The coil bobbin for electromagnetic relays according to claim 4, wherein the length of the ribs (106) is 0.5-3 mm.
6. An electromagnetic relay coil former according to claim 3, characterised in that the cross-section of the ribs (106) is triangular.
7. A bobbin for an electromagnetic relay according to claim 3, wherein the ribs (106) are provided near the upper end opening of the hollow cylinder (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021606508.3U CN212542288U (en) | 2020-08-05 | 2020-08-05 | Coil rack of electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021606508.3U CN212542288U (en) | 2020-08-05 | 2020-08-05 | Coil rack of electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212542288U true CN212542288U (en) | 2021-02-12 |
Family
ID=74528068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021606508.3U Active CN212542288U (en) | 2020-08-05 | 2020-08-05 | Coil rack of electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212542288U (en) |
-
2020
- 2020-08-05 CN CN202021606508.3U patent/CN212542288U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212542288U (en) | Coil rack of electromagnetic relay | |
| EP3629357B1 (en) | Electromagnetic relay | |
| CN212542286U (en) | Electromagnetic relay structure | |
| CN106449010A (en) | Electromagnetic magnet with manual control and state detecting functions | |
| CN110571026A (en) | Inductance framework and inductance device | |
| CN204706519U (en) | Unicoil magnetic latching relay | |
| CN209388949U (en) | A kind of D.C. contactor | |
| CN107871644B (en) | High-voltage direct-current relay with high creepage distance and assembly method thereof | |
| CN206194653U (en) | Electromagnetic relay | |
| CN214043547U (en) | Subminiature high-contact pressure-resistant long-life clapper type relay | |
| CN211828644U (en) | Magnetic latching relay | |
| CN206040544U (en) | Automobile -used electromagnetic relay that can reliably assemble | |
| CN113223899A (en) | Large-load push rod type miniature relay capable of being automatically produced | |
| CN211265370U (en) | Relay with high assembly precision | |
| CN112563077A (en) | Subminiature high-contact pressure-resistant long-life clapper type relay | |
| CN110690079A (en) | High-voltage direct-current relay packaged by square epoxy | |
| CN211088183U (en) | Framework and iron core structure of electromagnetic relay | |
| CN217903009U (en) | Riveting type relay with lead-out end widened and stronger load capacity | |
| CN206022247U (en) | Flip-over type contact system and its relay | |
| CN105047483B (en) | A kind of unicoil magnetic latching relay | |
| CN216288200U (en) | Base capable of simplifying assembly of electromagnetic relay | |
| CN214624890U (en) | Electromagnetic relay convenient to automated production | |
| CN218826860U (en) | Leading-out terminal structure | |
| CN110021498B (en) | Relay with connection structure | |
| CN217847673U (en) | Voltage transformer structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |