CN210805632U - Relay - Google Patents

Abstract

The utility model provides a relay, which comprises a base, an armature arranged on the rotatable mounting base, a magnetic coil which is electrically driven by the armature to rotate and a normally open contact component, wherein the armature rotates to drive the normally open contact component to switch the state, the restoring spring plate comprises a spring plate mounting body, an armature pressing spring plate, an anti-jumping spring plate and an anti-falling clamping tongue, the upper part of the elastic piece mounting body extends to form a bent armature pressing elastic piece, the opposite side of the armature pressing elastic piece is provided with an anti-jumping elastic piece, one side of the elastic piece mounting body extends to form an anti-falling clamping tongue which is bent towards the side where the armature is pressed against the elastic piece, the armature comprises a suction swing part and a recovery driving part which are arranged at the upper part of the electromagnetic coil, the end part of the anti-jumping spring sheet is pressed on the suction swing part, the end of the armature pressing spring plate presses against the upper end face of the recovery driving part, and the side wall of the anti-falling clamping tongue abuts against the recovery driving part. The relay is simple in structure, convenient to use and good in service performance.

Description

Relay

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of relay, especially a relay.

[ background of the invention ]

An electromagnetic relay is an automatic switch which uses a smaller current and a lower voltage to control a larger current and a higher voltage. The switching function is realized by means of an electromagnet arranged inside, a coil of the electromagnet is introduced with small current, so that the electromagnet generates a magnetic field, the armature is attracted or loosened by utilizing the generation or disappearance of the magnetic field, and the reset spring sheet is used for driving the armature to recover an element of an original position, so that the conduction or the disconnection of a large-current loop is realized.

[ Utility model ] content

The utility model aims at solving the problem in the prior art and providing a relay, simple structure, convenient to use has good performance.

In order to achieve the above object, the utility model provides a relay, which comprises a base, an armature, an electromagnetic coil and a normally open contact assembly, wherein the base is symmetrically provided with supporting seats, the armature is rotatably arranged between the two supporting seats, the electromagnetic coil for driving the armature to rotate is arranged below one side of the armature, the normally open contact assembly is arranged on the other side of the armature, the armature rotates to drive the normally open contact assembly to switch states, the armature is provided with a restoring spring plate for driving the armature to restore the original position, the restoring spring plate comprises a spring plate mounting body, an armature pressing spring plate, an anti-jumping spring plate and an anti-falling clamping tongue, the upper part of the spring plate mounting body extends to form a bent armature pressing spring plate, a second cutting groove is arranged in the armature pressing spring plate, the bottom end of the second cutting groove is provided with an upwards extending anti-jumping spring plate, one side of the first cutting groove extends to form an anti-falling clamping tongue which is bent towards the side where the armature pressing elastic piece is located, the armature comprises a suction swing portion and a recovery driving portion which are arranged on the upper portion of the electromagnetic coil, the end portion of the anti-falling elastic piece presses against the suction swing portion, the end portion of the armature pressing elastic piece presses against the upper end face of the recovery driving portion, and the side wall of the anti-falling clamping tongue abuts against the recovery driving portion.

Preferably, the suction swing portion is an L-shaped support, the suction swing portion is composed of a transverse support and a vertical support, an included angle between the transverse support and the vertical support is larger than 90 degrees, a through groove is formed in the suction swing portion, and the elastic sheet mounting body of the reset elastic sheet penetrates through the through groove and is mounted on the base.

Preferably, an included angle between the transverse support and the vertical support is 100 degrees, and the vertical support is perpendicular to the upper end face of the restoring driving portion.

Preferably, an included angle of 10 degrees is formed between the anti-falling clamping tongue and the elastic sheet mounting body, a locking clamp is arranged at the upper part of the anti-falling clamping tongue, the anti-falling clamping tongue and the locking clamp are both rectangular, the width of the locking clamp is smaller than that of the anti-falling clamping tongue, and the shape of the first cutting groove is matched with the outline shape of the anti-falling clamping tongue.

Preferably, a strip-shaped groove is further formed in the upper portion of the first cutting groove, the first cutting groove and the strip-shaped groove are rectangular grooves, and the width of the strip-shaped groove is smaller than that of the first cutting groove.

Preferably, the anti-bouncing elastic sheet comprises a support plate, a V-shaped connecting plate and a clamping plate, one end of the support plate is connected with the elastic sheet mounting body at the bottom end of the second cutting groove, the other end of the support plate is connected with the clamping plate through the V-shaped connecting plate, and the opening end of the V-shaped connecting plate presses against the side of the elastic sheet towards the armature.

Preferably, one end of the V-shaped connecting plate is connected with the support plate through the second arc-shaped transition portion, the other end of the V-shaped connecting plate is connected with the clamping plate through the third arc-shaped transition portion, and the clamping plate is perpendicular to the elastic sheet mounting body.

Preferably, the armature pressing elastic sheet comprises a first arc-shaped transition part, a pressing plate and a pressing foot, the first arc-shaped transition part connected with the elastic sheet mounting body extends from one end of the pressing plate, the pressing foot bent upwards extends from the other end of the pressing plate, the pressing foot is an arc-shaped plate, and an included angle of 70 degrees is formed between the pressing plate and the elastic sheet mounting body.

Preferably, the normally open contact assembly comprises a pushing sheet, a movable spring assembly connected with the pushing sheet and a static contact assembly arranged opposite to the movable spring assembly, the pushing sheet is connected with the armature, the movable spring assembly moves under the action of the pushing sheet to be in contact with the static contact assembly, a plurality of slots are arranged on the pushing sheet at intervals, openings are formed in the upper ends of the slots, a limiting protruding portion and a guiding inclined surface are respectively arranged on two sides of each opening, a positioning column with a guiding angle is arranged on a blocking frame, close to one side of the guiding inclined surface, of each slot, the movable spring assembly is inserted into the slots, and a positioning hole matched with the positioning column is formed in the center of the movable spring assembly.

Preferably, the movable spring assembly comprises a contact mounting piece and an elastic piece, contacts are symmetrically arranged on the contact mounting piece, a plurality of bent elastic supporting legs are symmetrically arranged on two sides of the elastic piece, the outer ends of the elastic supporting legs are fixed on the end face of the contact mounting piece, a positioning hole is formed in the center of the elastic piece, a plurality of bent limiting blocking clamps extend from two sides of the elastic piece, and a limiting cavity matched with the blocking frame is formed between the limiting blocking clamps opposite to the two sides.

The utility model has the advantages that: the utility model discloses an installation restores the shell fragment in armature, wherein armature presses the shell fragment and can compress tightly armature, prevents armature drunkenness, and drive armature and reset, the anti-bouncing shell fragment can avoid armature to take place ascending jump, the anticreep block tongue can increase restoring force, make armature can reset fast, and prevent that the shell fragment body from coming off from armature, armature adopts the actuation pars swing of L type, and have the contained angle that is greater than 90 degrees, can increase the armature to the pressure of contact during actuation, improve the anti short circuit ability of relay; in addition, adopt promotion piece and movable spring combination cartridge complex structure to the promotion piece has the reference column of taking the angle of leading in, utilizes the elasticity of movable spring leaf itself to make the movable spring combination tightly block in promoting the piece draw-in groove, and this structure is convenient for produce the installation, and has the function that prevents the movable spring combination and jump out.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a relay according to the present invention;

fig. 2 is a schematic diagram of a front view structure of a relay according to the present invention;

fig. 3 is a schematic top view of a relay according to the present invention;

fig. 4 is a schematic perspective view of a restoring spring of a relay according to the present invention;

fig. 5 is a schematic view of a main view structure of a restoring spring plate of the relay according to the present invention;

fig. 6 is a schematic view of a top view structure of a restoring spring plate of the relay according to the present invention;

fig. 7 is a left side view structural diagram of a reset spring plate of the relay of the present invention;

fig. 8 is a schematic diagram of an internal structure of a restoring spring of a relay according to the present invention;

fig. 9 is a schematic diagram of the engagement between the pushing piece and the movable spring assembly of the restoring spring of the relay according to the present invention;

fig. 10 is a schematic structural view of a pushing piece of a restoring spring of a relay according to the present invention;

fig. 11 is a schematic structural diagram of a movable spring assembly of a restoring spring sheet of the relay according to the present invention.

[ detailed description ] embodiments

Referring to fig. 1 to 7, the relay of the present invention includes a base 1, an armature 2, an electromagnetic coil 3, and a normally open contact assembly 5, wherein the base 1 is symmetrically provided with support seats 11, the armature 2 is rotatably mounted between the two support seats 11, the electromagnetic coil 3 for driving the armature 2 to rotate is provided below one side of the armature 2, the normally open contact assembly 5 is provided at the other side of the armature 2, the armature 2 rotates to drive the normally open contact assembly 5 to switch states, the armature 2 is provided with a recovery spring 4 for driving the armature to recover its original position, the recovery spring 4 includes a spring mounting body 41, an armature pressing spring 42, an anti-tripping spring 43 and an anti-tripping latch 44, the upper portion of the spring mounting body 41 extends to form a bent armature pressing spring 42, the armature pressing spring 42 is provided with a second slot 420 therein, the bottom end of the second slot 420 is provided with an anti-tripping spring 43 extending, the lower part of the elastic piece mounting body 41 is provided with a first cut groove 410, one side of the first cut groove 410 extends to form an anti-tripping clamping tongue 44 which is bent towards the side where the armature pressing elastic piece 42 is located, the armature 2 comprises a suction swinging part 21 and a recovery driving part 22 which are arranged on the upper part of the electromagnetic coil 3, the end part of the anti-tripping elastic piece 43 is pressed on the suction swinging part 21, the end part of the armature pressing elastic piece 42 is pressed on the upper end surface of the recovery driving part 22, and the side wall of the anti-tripping clamping tongue 44 is abutted against the recovery driving part 22. The sucking oscillating part 21 is an L-shaped support, the sucking oscillating part 21 is composed of a transverse support and a vertical support, an included angle between the transverse support and the vertical support is larger than 90 degrees, a through groove 211 is formed in the sucking oscillating part 21, and an elastic sheet mounting body 41 of the reset elastic sheet 4 penetrates through the through groove 211 to be mounted on the base 1. The included angle between horizontal support and the perpendicular support is 100 degrees, perpendicular to of perpendicular to restores the up end of drive division 22. An included angle of 10 degrees is formed between the anti-falling blocking tongue 44 and the elastic sheet mounting body 41, a locking card 441 is arranged at the upper part of the anti-falling blocking tongue 44, the anti-falling blocking tongue 44 and the locking card 441 are both rectangular, the width of the locking card 441 is smaller than that of the anti-falling blocking tongue 44, and the shape of the first cutting groove 410 is matched with the outline shape of the anti-falling blocking tongue 44. A strip groove 4101 is further formed in the upper portion of the first cut groove 410, both the first cut groove 410 and the strip groove 4101 are rectangular grooves, and the width of the strip groove 4101 is smaller than that of the first cut groove 410. The anti-bouncing elastic sheet 43 comprises a support plate 431, a V-shaped connecting plate 432 and a clamping plate 433, one end of the support plate 431 is connected with the elastic sheet mounting body 41 at the bottom end of the second cutting groove 420, the other end of the support plate 431 is connected with the clamping plate 433 through the V-shaped connecting plate 432, and the opening end of the V-shaped connecting plate 432 faces the side where the armature presses against the elastic sheet 42. One end of the V-shaped connecting plate 432 is connected to the support plate 431 through the second arc-shaped transition portion 4310, the other end of the V-shaped connecting plate 432 is connected to the clamping plate 433 through the third arc-shaped transition portion 4330, and the clamping plate 433 is perpendicular to the spring mounting body 41. The armature pressing elastic piece 42 comprises a first arc-shaped transition portion 421, a pressing plate 422 and a pressing foot 423, the first arc-shaped transition portion 421 connected with the elastic piece mounting body 41 extends from one end of the pressing plate 422, the pressing foot 423 bent upwards extends from the other end of the pressing plate 422, the pressing foot 423 is an arc-shaped plate, and an included angle of 70 degrees is formed between the pressing plate 422 and the elastic piece mounting body 41.

Further, referring to fig. 8 to 11, the normally open contact assembly 5 includes a push plate 51, a movable spring assembly 52 connected to the push plate 51, and a static contact assembly 53 arranged opposite to the movable spring assembly 52, the push plate 51 is connected to the armature 2, the movable spring assembly 52 moves to contact the static contact assembly 53 under the action of the push plate 51, a plurality of slots 512 are arranged on the push plate 51 at intervals, an opening is arranged at the upper end of each slot 512, a limit protrusion 5121 and a guide inclined plane 5122 are respectively arranged on two sides of the opening, a positioning post 513 having a guide angle is arranged on a blocking frame 511 on one side of each slot 512 close to the guide inclined plane 5122, the movable spring assembly 52 is inserted into the slots 512, and a positioning hole 5222 matched with the positioning post 513 is arranged at the center of the movable spring assembly 52. The movable spring assembly 52 includes a contact mounting piece 521 and an elastic member 522, contacts 5210 are symmetrically arranged on the contact mounting piece 521, a plurality of bent elastic legs 5223 are symmetrically arranged on two sides of the elastic member 522, the outer ends of the elastic legs 5223 are fixed on the end surface of the contact mounting piece 521, a positioning hole 5222 is formed in the center of the elastic member 522, a plurality of bent limit stop clips 5221 extend from two sides of the elastic member 522, and a limit cavity matched with the stop frame 511 is formed between the limit stop clips 5221 opposite to the two sides.

The utility model discloses the working process:

the utility model relates to a relay, through solenoid drive armature rotation, armature rotation drive normally open contact subassembly switching state realizes the break-make, wherein, armature adopts the actuation pendulum part of L type to have the contained angle that is greater than 90 degrees, can increase the armature to the pressure of contact when the actuation, improve the anti short circuit ability of relay; the reset elastic sheet is arranged in the armature, the armature can be pressed by the armature pressing elastic sheet to prevent the armature from moving and drive the armature to reset, and the pressure foot at the end part adopts an arc-shaped plate structure, so that the direct contact area between the pressure foot and the armature can be reduced, and the sliding friction between the armature and the pressure foot is reduced; the anti-bouncing elastic piece can prevent the armature from bouncing upwards, and the V-shaped connecting plate can increase the elasticity of the anti-bouncing elastic piece and ensure that the clamping plate and the armature are always in a clamping state; the anti-falling clamping tongue can increase restoring force, so that the armature can reset quickly, and the elastic sheet body is prevented from falling off from the armature. In addition, adopt promotion piece and movable spring combination cartridge complex structure to the promotion piece has the reference column of taking the angle of leading in, utilizes the elasticity of movable spring leaf itself to make the movable spring combination tightly block in promoting the piece draw-in groove, and this structure is convenient for produce the installation, and has the function that prevents the movable spring combination and jump out.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (8)

1. The utility model provides a relay, includes base (1), armature (2), solenoid (3), normally opens contact assembly (5), the symmetry is equipped with supporting seat (11) on base (1), armature (2) rotatable installation is between two supporting seats (11), the below of armature (2) one side is equipped with and is used for driving its pivoted solenoid (3), the opposite side of armature (2) is equipped with normally opens contact assembly (5), and armature (2) rotate the drive and normally open contact assembly (5) switching state, its characterized in that: the armature (2) is provided with a recovery spring plate (4) for driving the armature to recover the original position, the recovery spring plate (4) comprises a spring plate mounting body (41), an armature pressing spring plate (42), an anti-bouncing spring plate (43) and an anti-falling clamping tongue (44), the upper part of the spring plate mounting body (41) extends to form a bent armature pressing spring plate (42), a second cutting groove (420) is formed in the armature pressing spring plate (42), the bottom end of the second cutting groove (420) is provided with the anti-bouncing spring plate (43) which extends upwards, the lower part of the spring plate mounting body (41) is provided with a first cutting groove (410), one side of the first cutting groove (410) extends to form the anti-falling clamping tongue (44) which is bent towards the side where the armature pressing spring plate (42) is located, the armature (2) comprises a suction swinging part (21) and a recovery driving part (22) which are arranged, the end of the anti-jumping spring piece (43) is pressed against the suction swing part (21), the end of the armature pressing spring piece (42) is pressed against the upper end face of the recovery driving part (22), and the side wall of the anti-falling clamping tongue (44) is abutted against the recovery driving part (22).

2. A relay according to claim 1, wherein: the sucking swing part (21) is an L-shaped support, the sucking swing part (21) is composed of a transverse support and a vertical support, an included angle between the transverse support and the vertical support is larger than 90 degrees, a through groove (211) is formed in the sucking swing part (21), and an elastic sheet installation body (41) of the reset elastic sheet (4) penetrates through the through groove (211) to be installed on the base (1).

3. A relay according to claim 2, wherein: the included angle between horizontal support and the perpendicular support is 100 degrees, perpendicular to of perpendicular to restores the up end of drive division (22).

4. A relay according to claim 1, wherein: an included angle of 10 degrees is formed between the anti-falling blocking tongue (44) and the elastic sheet mounting body (41), a locking card (441) is arranged at the upper part of the anti-falling blocking tongue (44), the anti-falling blocking tongue (44) and the locking card (441) are both rectangular, the width of the locking card (441) is smaller than that of the anti-falling blocking tongue (44), and the shape of the first cutting groove (410) is matched with the outline shape of the anti-falling blocking tongue (44).

5. A relay according to claim 1, wherein: the anti-bouncing elastic sheet (43) comprises a support plate (431), a V-shaped connecting plate (432) and a clamping plate (433), one end of the support plate (431) is connected with an elastic sheet mounting body (41) at the bottom end of the second cutting groove (420), the other end of the support plate (431) is connected with the clamping plate (433) through the V-shaped connecting plate (432), and the opening end of the V-shaped connecting plate (432) presses the side where the elastic sheet (42) is located towards the armature.

6. A relay according to claim 1, wherein: the armature pressing elastic piece (42) comprises a first arc transition portion (421), a pressing plate (422) and a pressing foot (423), the first arc transition portion (421) connected with the elastic piece mounting body (41) extends from one end of the pressing plate (422), the pressing foot (423) bent upwards extends from the other end of the pressing plate (422), the pressing foot (423) is an arc-shaped plate, and a 70-degree included angle is formed between the pressing plate (422) and the elastic piece mounting body (41).

7. A relay according to claim 1, wherein: the normally open contact assembly (5) comprises a pushing sheet (51), a movable spring assembly (52) connected with the pushing sheet (51) and a fixed contact assembly (53) arranged opposite to the movable spring assembly (52), the pushing sheet (51) is connected with the armature (2), the movable spring component (52) moves to be contacted with the static contact component (53) under the action of the pushing sheet (51), a plurality of slots (512) are arranged on the pushing sheet (51) at intervals, the upper ends of the slots (512) are provided with openings, the two sides of the opening are respectively provided with a limit bulge (5121) and a lead-in inclined plane (5122), a positioning column (513) with a leading-in angle is arranged on the blocking frame (511) at one side of the slot (512) close to the leading-in inclined plane (5122), the movable spring component (52) is inserted into the slot (512), and a positioning hole (5222) matched with the positioning column (513) is formed in the center of the movable spring component (52).

8. A relay according to claim 7, wherein: the movable spring component (52) comprises a contact mounting piece (521) and an elastic piece (522), wherein the contact mounting piece (521) is symmetrically provided with a contact (5210), the bilateral symmetry of the elastic piece (522) is provided with a plurality of bent elastic legs (5223), the outer ends of the elastic legs (5223) are fixed on the end surface of the contact mounting piece (521), the center of the elastic piece (522) is provided with a positioning hole (5222), the two sides of the elastic piece (522) extend to form a plurality of bent limit stop clips (5221), and a limit cavity matched with the stop frame (511) is formed between the two opposite limit stop clips (5221).

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