CN216435802U - Connecting structure of push rod and movable iron core of relay - Google Patents
Connecting structure of push rod and movable iron core of relay Download PDFInfo
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- CN216435802U CN216435802U CN202122599103.2U CN202122599103U CN216435802U CN 216435802 U CN216435802 U CN 216435802U CN 202122599103 U CN202122599103 U CN 202122599103U CN 216435802 U CN216435802 U CN 216435802U
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Abstract
The utility model discloses a connecting structure of a push rod and a movable iron core of a relay, which comprises a shell made of the push rod, the movable iron core and a metal material; the push rod polish rod is matched in the through hole of the movable iron core; the sleeve shell is sleeved into the bottom end of the push rod from bottom to top, the top end of the sleeve shell abuts against the groove bottom of the first groove of the movable iron core, and the bottom wall of the sleeve shell is supported on the bottom end face of the push rod; the outer wall of cover shell is equipped with first step, moves the iron core and is equipped with the riveting convex part, makes the riveting convex part card in the first step department of cover shell through riveting the riveting convex part. The utility model can effectively solve the problem of thread eccentricity by using the polished rod to position and canceling the threaded connection, and can solve the problem that the rotation of the iron core in the X/Y direction can not be effectively limited due to the clearance existing between the top and the bottom of the internal thread and the external thread; the glue is dispensed by adopting the stop piece to stop the position, so that the defects of organic matters, cracking, generation of foreign matters and the like caused by glue dispensing can be avoided, the time required by glue dispensing and curing is reduced, and the production speed is further improved.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a catch bar of relay and move connection structure of iron core.
Background
The contact part of the relay in the prior art generally comprises two fixed contacts (namely load leading-out ends) and a movable component, wherein the movable component comprises a movable spring part and a push rod component, the movable spring part is in bridge type fit between the two fixed contacts and is arranged at the top of the push rod component, the two movable contacts of the movable spring part are respectively contacted with or separated from the two fixed contacts through the reciprocating motion of the push rod component, when the two movable contacts are contacted, current flows in from one fixed contact, and flows out from the other fixed contact after passing through the movable spring part. The catch bar subassembly includes the movable iron core of catch bar and catch bar sub-unit connection (the spring holder in the catch bar subassembly is usually connected to the top of catch bar), through the cooperation of moving parts such as iron core and coil, quiet iron core, drives the catch bar reciprocating motion by moving the iron core, because move the iron core and need with catch bar synchronous motion, consequently, just need will move the lower part of iron core and catch bar and fix together. In the prior art, the moving iron core is usually limited to move and rotate in the X/Y direction of the horizontal plane relative to the push rod by matching the external thread of the push rod with the internal thread of the moving iron core, and the moving iron core is limited to move and rotate in the Z direction relative to the push rod by dispensing and fixing the bottom of the moving iron core and the push rod.
In the prior art, due to the fact that a gap exists between the thread tops and the thread bottoms between the inner threads and the outer threads, rotation of the movable iron core in the X/Y direction cannot be effectively limited, the problem that the axis is eccentric and the movable iron core is inclined is solved, the product movement process has more serious interference, electrical parameters such as product suction and rebound are affected, meanwhile, contact point surfaces and the movable iron core are not parallel in contact when the movable iron core is closed, the stability of holding force is reduced, and the product short-circuit resistance performance is poor. And adopt some glue fixed mode to restrict moving and rotating of movable core in the Z direction, then have following drawback: firstly, as the product moves for a long time, contacts are closed, and works at a high temperature for a long time, the risk of cracking glue and generating foreign matters exists, and the product is seriously led to be dead defects such as non-conduction and the like; secondly, the volatilization of organic substances influences the atmosphere of the sealed cavity to reduce the arc extinguishing capability; thirdly, the production period is long and the beat is slow, the current production is 110 ℃, the baking and cooling of the oven is more than 40mins, and the equipment occupies a large area and is large in investment; fourthly, the difficulty of controlling the amount of liquid is higher, the glue amount is more and is easy to overflow, the glue amount is less and unreliable, and air bubbles are easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a connecting structure of a push rod and a movable iron core of a relay, which can effectively solve the problem of thread eccentricity by using a polished rod to position and canceling threaded connection, and can solve the problem that the rotation of the iron core in the X/Y direction cannot be effectively limited due to the clearance existing between the top and the bottom of the teeth between the inner and the outer threads; the stop piece is adopted to stop and dispense is cancelled, so that the defects of organic matters, cracking, generation of foreign matters and the like caused by dispensing can be avoided, the time required by dispensing and curing is shortened, and the production speed is further improved.
The utility model provides a technical scheme that its technical problem adopted is: a connecting structure of a push rod and a movable iron core of a relay comprises a shell made of a push rod, a movable iron core and a metal material; the movable iron core is provided with a through hole penetrating up and down, and a polish rod at the middle part of the lower section of the push rod is matched in the through hole of the movable iron core; a first groove with a downward opening is formed in the position, corresponding to the through hole, of the bottom of the movable iron core; the sleeve is sleeved at the bottom end of the push rod from bottom to top, part of the sleeve extends into the first groove, the top end of the sleeve abuts against the groove bottom of the first groove, and the bottom wall of the sleeve is supported on the bottom end face of the push rod; the bottom end of the push rod is also provided with a concave part which is inwards concave along the radial direction at a position corresponding to the outside of the first groove, and the sleeve shell is clamped into the concave part at a position corresponding to the concave part by riveting the sleeve shell; the outer wall of the sleeve shell is provided with a first step with a downward step surface, the movable iron core is provided with a riveting convex part at the position corresponding to the first step of the sleeve shell, and the riveting convex part is riveted to enable the riveting convex part to be clamped at the first step of the sleeve shell.
The sunken part of catch bar is the annular groove who sets up on the periphery wall of catch bar.
The sunken part of catch bar is the knurling structure of encircleing on the periphery wall of catch bar.
The two first steps of the outer wall of the casing are respectively arranged on two opposite sides of the outer wall of the casing; the riveting convex part of the movable iron core is two corresponding to the two first steps of the sleeve shell.
The riveting convex part of the movable iron core is arranged at the groove edge of the first groove and is formed by arranging a small groove beside the groove edge.
The first step of the outer wall of the casing is formed by outward expansion deformation of the outer wall of the casing with the same thickness.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses owing to adopted the mid portion polished rod cooperation of the hypomere of catch bar to move the iron core for the catch bar to the position part that ends that reciprocates in the through-hole of moving the iron core and with the cover shell that metal material preparation formed as the restriction, support on the top through the cover shell the tank bottom department of first recess, the diapire of cover shell hold in the palm at the bottom face of catch bar to and make the cover shell block into in the position department corresponding to the depressed part of catch bar through riveting to the cover shell the riveting convex part that moves the iron core in the depressed part of catch bar with rivet through the riveting convex part that moves the iron core and make the riveting convex part card that moves the iron core at the first step department of cover shell, thereby realize ending the position that the iron core reciprocated for the catch bar moving. The structure of the utility model can effectively solve the problem of thread eccentricity by using the polished rod to position and canceling the threaded connection, and can solve the problem that the rotation of the iron core in the X/Y direction can not be effectively limited due to the clearance existing between the top and the bottom between the inner thread and the outer thread; the shell is stopped to eliminate glue dispensing, so that the defects of organic matters, cracking, foreign matters and the like caused by glue dispensing can be avoided, the time required by glue dispensing and curing is reduced, and the production speed is further improved.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the connection structure of the push rod and the movable iron core of the relay of the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a schematic perspective exploded view of a partial configuration of a high-voltage direct-current relay according to an embodiment of the present invention;
fig. 2 is a front view of a partial configuration of a high-voltage direct-current relay of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a bottom view (not riveted state) of a partial structure of the high-voltage direct-current relay according to the embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 6 is a front view of a partially exploded state of the high-voltage direct-current relay according to the embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;
fig. 8 is a bottom view (not riveted state) of a partially disassembled state of the high-voltage direct-current relay according to the embodiment of the present invention;
fig. 9 is a sectional view taken along line D-D in fig. 8.
Detailed Description
Examples
Referring to fig. 1 to 9, a connection structure of a push rod and a movable iron core of a relay according to the present invention includes a push rod 1, a movable iron core 2, and a casing 3 made of a metal material; the relay further comprises a yoke iron plate 41, a spring seat 42, a static iron core 43, a return spring 44 and the like, wherein the spring seat 42 is fixed at the top of the push rod 1, the spring seat 42 is positioned on the yoke iron plate 41, the spring seat 42 is usually connected with a fixing plate 45, the static iron core 43 is fixed below the yoke iron plate 41, the push rod 1 penetrates through the yoke iron plate 41 and the static iron core 43 from the upper surface of the yoke iron plate 41 and is connected with the movable iron core 2 below the static iron core 43, and the return spring 44 is arranged between the static iron core 43 and the movable iron core 2; the movable iron core 2 is provided with a through hole 21 which penetrates through the upper part and the lower part, and a polish rod at the middle part of the lower section of the push rod 1 is matched in the through hole 21 of the movable iron core 2; a first groove 22 with a downward opening is formed in the position, corresponding to the through hole, of the bottom of the movable iron core 2; the sleeve 3 is sleeved into the bottom end of the push rod 1 from bottom to top, a part of the sleeve 3 extends into the first groove 22, the top end of the sleeve 3 abuts against the groove bottom 221 of the first groove 22, and the bottom wall 31 of the sleeve 3 is supported on the bottom end surface 11 of the push rod 1; at the bottom end of push rod 1, at a position corresponding to the outside of first groove 22, there is also provided a recess 12 recessed radially inwards, casing 3 being made to snap into said recess 12 at a position corresponding to recess 12 by riveting (as indicated by the arrow in fig. 3) casing 3; a first step 32 with a downward step is arranged in the outer wall of the jacket 3, the movable iron core 2 is provided with a riveting convex part 23 at the position corresponding to the first step 32 of the jacket 3, and the riveting convex part 23 is riveted to clamp the riveting convex part 23 at the first step 32 of the jacket.
In the structure of the utility model, the sleeve 3 is riveted to the sleeve 3 to clamp the sleeve 3 into the concave part 12 at the position corresponding to the concave part 12, so that the sleeve 3 is fixed with the push rod 1, and the sleeve 3 can not move up and down relative to the push rod 1; the top end of the sleeve 3 is abutted against the groove bottom 221 of the first groove 22 of the movable iron core 2, so that the movable iron core 2 cannot move downwards relative to the push rod 1 under the stop action of the sleeve 3; the riveting convex part 23 of the plunger 2 is clamped at the first step 32 of the sleeve 3 by riveting the riveting convex part 23 of the plunger 2, and the plunger 2 cannot move upwards relative to the push rod 1 because the bottom wall 31 of the sleeve 3 is supported on the bottom end surface 11 of the push rod 1.
In this embodiment, the recess 12 of the push rod 1 is an annular groove provided on the outer peripheral wall of the push rod 1. Of course, the recessed portion of the push rod may be a knurled structure surrounding the outer peripheral wall of the push rod.
In this embodiment, two first steps 32 are provided on the outer wall of the jacket 3, and are respectively provided on two opposite sides of the outer wall of the jacket 3; the riveting convex parts 23 of the movable iron core 2 are two corresponding and matched with the two first steps 32 of the sleeve 3 respectively.
In this embodiment, the riveting protrusion 23 of the movable iron core 2 is disposed at the groove edge of the first groove 22, and is formed by opening a small groove 24 beside the groove edge.
In this embodiment, the first step 32 of the outer wall of the jacket 3 is formed by outwardly expanding deformation of the side wall of the jacket of the same thickness.
In this embodiment, a second groove 25 with an upward opening is formed in the upper portion of the movable iron core 2 corresponding to the through hole; the second recess 25 is used to fit a return spring 44.
The utility model discloses a catch bar of relay and connection structure who moves iron core, the mid portion polished rod cooperation of having adopted the hypomere of catch bar 1 moves in the through-hole 21 of iron core 2 and with metal material preparation shell 3 that forms as the restriction and move iron core 2 and for catch the position part to reciprocating of catch bar 1, support on top through shell 3 the tank bottom 221 department of first recess 22, the diapire 31 of shell 3 holds in the palm at the bottom face of catch bar 1 to and make shell 3 block into in the position department corresponding to the depressed part 12 of catch bar 1 through riveting shell 3 the riveting in the depressed part 12 of catch bar 1 with rivet the riveting convex part 23 through moving iron core 2 and rivet and make the riveting convex part 23 of movable iron core 2 block in the first step 32 department of shell 3, thereby realize stopping the position that moves iron core 2 and reciprocate for catch bar 1. The structure of the utility model can effectively solve the problem of thread eccentricity by using the polished rod to position and canceling the threaded connection, and can solve the problem that the rotation of the iron core in the X/Y direction can not be effectively limited due to the clearance existing between the top and the bottom between the inner thread and the outer thread; the shell is stopped to eliminate glue dispensing, so that the defects of organic matters, cracking, foreign matters and the like caused by glue dispensing can be avoided, the time required by glue dispensing and curing is reduced, and the production speed is further improved.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A connecting structure of a push rod and a movable iron core of a relay comprises a shell made of a push rod, a movable iron core and a metal material; the movable iron core is provided with a through hole penetrating up and down, and a polish rod at the middle part of the lower section of the push rod is matched in the through hole of the movable iron core; a first groove with a downward opening is formed in the position, corresponding to the through hole, of the bottom of the movable iron core; the method is characterized in that: the sleeve is sleeved at the bottom end of the push rod from bottom to top, part of the sleeve extends into the first groove, the top end of the sleeve abuts against the groove bottom of the first groove, and the bottom wall of the sleeve is supported on the bottom end face of the push rod; the bottom end of the push rod is also provided with a concave part which is inwards concave along the radial direction at a position corresponding to the outside of the first groove, and the sleeve shell is clamped into the concave part at a position corresponding to the concave part by riveting the sleeve shell; the outer wall of the sleeve shell is provided with a first step with a downward step surface, the movable iron core is provided with a riveting convex part at the position corresponding to the first step of the sleeve shell, and the riveting convex part is riveted to enable the riveting convex part to be clamped at the first step of the sleeve shell.
2. The connection structure of the push rod and the movable iron core of the relay according to claim 1, characterized in that: the sunken part of catch bar is the annular groove who sets up on the periphery wall of catch bar.
3. The connection structure of the push rod and the movable iron core of the relay according to claim 1, characterized in that: the sunken part of catch bar is the knurling structure of encircleing on the periphery wall of catch bar.
4. The connection structure of the push rod and the movable iron core of the relay according to claim 1, characterized in that: the two first steps of the outer wall of the casing are respectively arranged on two opposite sides of the outer wall of the casing; the riveting convex part of the movable iron core is two corresponding to the two first steps of the sleeve shell.
5. The connection structure of the push rod and the movable iron core of the relay according to claim 4, wherein: the riveting convex part of the movable iron core is arranged at the groove edge of the first groove and is formed by arranging a small groove beside the groove edge.
6. The connection structure of the push rod and the movable iron core of the relay according to claim 5, wherein: the first step of the outer wall of the casing is formed by outward expansion deformation of the outer wall of the casing with the same thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599103.2U CN216435802U (en) | 2021-10-27 | 2021-10-27 | Connecting structure of push rod and movable iron core of relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599103.2U CN216435802U (en) | 2021-10-27 | 2021-10-27 | Connecting structure of push rod and movable iron core of relay |
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| Publication Number | Publication Date |
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| CN216435802U true CN216435802U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122599103.2U Active CN216435802U (en) | 2021-10-27 | 2021-10-27 | Connecting structure of push rod and movable iron core of relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230454A (en) * | 2023-05-09 | 2023-06-06 | 浙江英洛华新能源科技有限公司 | Relay with movable reed deflection preventing mechanism |
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2021
- 2021-10-27 CN CN202122599103.2U patent/CN216435802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116230454A (en) * | 2023-05-09 | 2023-06-06 | 浙江英洛华新能源科技有限公司 | Relay with movable reed deflection preventing mechanism |
| CN116230454B (en) * | 2023-05-09 | 2023-09-26 | 浙江英洛华新能源科技有限公司 | Relay with movable reed deflection preventing mechanism |
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