CN211743060U - Low-height horizontal electromagnetic relay - Google Patents

Abstract

The utility model discloses a low-height horizontal electromagnetic relay, which comprises a static spring part and a base; the base is provided with a jack for inserting the static reed; the static reed comprises a static contact connecting part and a static spring leading-out part which are approximately parallel to each other, and a transition part which is integrally bent and connected between the lower end of the static contact connecting part and the upper end of the static spring leading-out part; the upper part of the static spring leading-out part is in clearance fit with the jack of the base, the transition part is attached to the inner surface of the base, the static contact is correspondingly matched with the movable contact, and a certain gap is also arranged between the bottom surface of the transition part and the inner surface of the base; the upper part of the static spring leading-out part is also provided with a fixing part in an upward extending way. The utility model discloses a this kind of structure can guarantee under the condition that the product realized low height, makes the heat of static reed in time give off to the outside of product to avoid causing the inside temperature rise of relay and influence the normal work of relay.

Description

Low-height horizontal electromagnetic relay

Technical Field

The utility model relates to a relay technical field especially relates to a low-height horizontal electromagnetic relay.

Background

The electromagnetic relay is an electromechanical element widely applied to various household appliances, office equipment and industrial control. An electromagnetic relay generally includes a contact portion, a magnetic circuit portion, and a base, where the contact portion includes a movable spring portion and a stationary spring portion, and when the magnetic circuit portion operates, an armature in the magnetic circuit portion drives the movable spring portion to move, so that a movable contact of the movable spring portion is in contact with (i.e., contact is closed) or separated from (i.e., contact is open) a stationary contact of the stationary spring portion. An electromagnetic relay of the prior art, mainly apply to the field of the car, its requirement is that the whole height of the products is low, in order to reduce the whole height of the products, the mode that the prior art adopts is to design the coil of the magnetic circuit part into horizontal, and design the static reed of the static reed part into bending and pasting on the internal surface of the base (such as Chinese patent CN209434108U), although this design scheme can reduce the whole height of the electromagnetic relay product, but, the electromagnetic relay of this kind of structure, because the static reed is usually inserted in the mounting hole of the base through the close-fitting way, and paste on the internal surface of the base directly, cause the relay while working, the heat produced by the static reed can't be discharged in time, thus has caused the internal temperature rise of the relay, has influenced the normal work of the relay; on the other hand, in order to reduce the overall height, the matching position of the movable contact and the static contact is very close to the inner surface of the base, so that metal splashes generated by the working of the movable contact and the static contact are accumulated on the inner surface of the base, the creepage distance when the movable contact and the static contact are disconnected is reduced, and the service life of the relay is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a low-height horizontal electromagnetic relay, which can ensure that the heat of a static reed can be timely emitted to the outside of a product under the condition of ensuring the low height of the product through structural improvement so as to avoid the influence of the temperature rise inside the relay on the normal work of the relay; on the other hand, enough creepage distance can be ensured when the movable contact and the static contact are disconnected, so that the service life of the relay is ensured.

The utility model provides a technical scheme that its technical problem adopted is: a low-height horizontal electromagnetic relay comprises a movable spring part, a static spring part, a magnetic circuit part and a base; the magnetic circuit part comprises a coil, an iron core, a yoke and an armature which are correspondingly matched, and the coil is horizontally arranged on the base; the movable spring part comprises a movable contact; the static spring part comprises a static spring piece and a static contact fixed on the static spring piece; the base is provided with a jack for inserting the static reed; the static reed comprises a static contact connecting part and a static spring leading-out part which are approximately parallel to each other, and a transition part which is integrally bent and connected between the lower end of the static contact connecting part and the upper end of the static spring leading-out part; the upper part of the static spring leading-out part is in clearance fit with the jack of the base, the transition part is attached to the inner surface of the base, the static contact is correspondingly matched with the movable contact, and a certain gap is also arranged between the bottom surface of the transition part and the inner surface of the base so as to form an exhaust channel for discharging heat generated by the static spring leaf out of the base by utilizing the gap and the clearance; the upper part of the static spring leading-out part also extends upwards to be provided with a fixing part so as to enhance the fixing strength of the static spring and the base through the matching with the base.

The movable spring part also comprises a movable spring plate; the movable contact is fixed on the movable spring, and the movable spring is also respectively connected with the yoke and the armature.

The transition part is approximately horizontally arranged, and a convex block is arranged between the bottom surface of the transition part and the inner surface of the base, so that the gap is formed between the bottom surface of the transition part and the inner surface of the base.

The lug is a first convex part which is integrally formed on the bottom surface of the transition part and protrudes downwards.

The lug is a second convex part which is integrally formed on the inner surface of the base and protrudes upwards.

In the inner surface of the base, a sinking groove with a certain area is arranged below the corresponding matching position of the static contact and the movable contact, so that metal splashes generated when the movable contact and the static contact work are accommodated by the sinking groove, and the creepage distance when the movable contact and the static contact are disconnected is ensured.

Two sides of the width of the upper part of the static spring leading-out part extend upwards to form a fixing part respectively, one side of the outer side of the fixing part exceeds the side of the width of the static spring leading-out part, so that the bottom end of the fixing part forms a first step relative to the static spring leading-out part, and the top of the fixing part is provided with a third convex part outwards; the position of the top of the jack of the base, which corresponds to the fixed part of the static reed, is provided with a clamping table, the bottom surface of the third convex part of the fixed part is abutted to the clamping table of the base, and the first step of the fixed part is clamped at the bottom hole edge of the jack of the base through splitting and riveting.

The jack of the base is also extended upwards to the clamping table at two sides corresponding to the width of the upper part of the static spring leading-out part; the outer side of the fixing part is further provided with at least one fourth convex part, and the fixing part is in interference fit with the jack of the base in the width direction of the static reed through the fourth convex part.

A gap is arranged at the joint position of the transition part and the fixing part; the transition part extends towards the direction of the static contact connecting part and is provided with a through hole; and the shape of the through hole is trapezoidal.

The movable spring is bent into an approximately L-shaped shape through a first bending part, one L-shaped side of the movable spring is fixed with the yoke, the other L-shaped side of the movable spring is fixed with the armature, the armature is matched at the knife edge of the yoke, and the movable contact is fixed at the tail end of the other L-shaped side of the movable spring; the armature iron is provided with a hook to be hooked at the knife edge of the yoke iron; the movable spring piece comprises a through hole, wherein one side of the L shape of the movable spring piece extends from a first bending part to the tail end direction of one side of the L shape, a second bending part and a third bending part are further arranged on one side of the L shape of the movable spring piece and the other side of the L shape of the movable spring piece respectively, a reinforcing plate is further arranged in the through hole, and the reinforcing plate is located in the middle of the projection position of the hook from the second bending part to the armature on one side of the L shape of the movable spring piece.

The coil comprises a coil frame and an enameled wire wound at a winding window of the coil frame, and the iron core is matched in a through hole of the coil frame; the yoke is approximately L-shaped, one L-shaped side of the yoke is fixed with one L-shaped side of the movable spring and is correspondingly matched with a winding window of the coil frame, the other L-shaped side of the yoke is correspondingly matched with a flange of the coil frame, a pin serving as a leading-out end of the movable spring is further extended from the other L-shaped side of the yoke, and the upper part of the pin is inserted and fixed on the base; the top ends of the pins are provided with bending parts to realize abdicating the flange of the coil rack; and fifth convex parts are arranged on two sides of the top end of the pin, and a second step for split riveting is arranged below the fifth convex parts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the technical proposal that the upper part of the static spring leading-out part of the static spring leaf is in single-side clearance fit in the jack of the base, and a certain gap is arranged between the bottom surface of the transition part of the static spring leaf and the inner surface of the base, so as to utilize the gap and the gap to form an exhaust passage for discharging the heat generated by the static spring leaf out of the base; the upper part of the static spring leading-out part also extends upwards to be provided with a fixing part so as to enhance the fixing strength of the static spring and the base through the matching with the base. The structure of the utility model, through setting the gap and the clearance between the static reed and the inner surface of the base and the jack of the static reed and the base, the heat of the static reed and the position of the movable contact and the static contact inside the relay can be dissipated outside the base from the clearance between the inner surface of the base and the jack, thereby preventing the temperature rise inside the relay from influencing the normal work of the relay; and because be a single face clearance fit between the jack of static reed and base, that is to say in four faces of jack, only three face and static reed contact, like this, on the one hand can make the fixed insecure between the jack of static reed and base, and on the other hand can have the static reed slope, and then the problem of moving, static contact dislocation appears, the utility model discloses an upper portion at static spring extraction portion still upwards extends and is equipped with the fixed part, utilizes fixed part and base cooperation, has strengthened the fixed strength between the jack of static reed and base, simultaneously, can prevent that the static reed is crooked.

2. The utility model discloses owing to adopted in the internal surface of base, corresponding to the below that the stationary contact corresponds the cooperation position with the movable contact still is equipped with the heavy groove of certain area. The utility model discloses a this kind of structure can utilize the metal splash that the heavy groove accomodates and moves, stationary contact during operation production, creepage distance when guaranteeing to move, stationary contact disconnection.

3. The utility model adopts the structure that the joint position of the transition part of the static reed and the fixed part of the static reed is also provided with a notch; a through hole is formed in the transition part in a manner of extending towards the direction of the static contact connecting part; and the shape of the through hole is trapezoidal. The structure of the utility model can improve the flexibility of the static reed by utilizing the notches formed at the two sides of the static contact connecting part and the through holes of the transition part, and play the role of buffering and attracting when the static contact and the static contact are closed, namely buffering the rebound of the contact; the through hole is designed to be trapezoidal, the areas of two sides of the through hole are the largest, and the current-carrying area of the static reed can be effectively ensured. Because the trapezoidal hole is seted up in the middle of middle transition portion and the contact connecting portion hookup location for middle transition portion and quiet spring lead-out portion hookup location constriction, make the quiet reed heat conduction under the low temperature low, quiet reed is higher than the ambient temperature around the contact, can not condense dew or freeze, has the effect that prevents the contact and freeze.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.

Drawings

Fig. 1 is an exploded schematic view of a main body portion and a housing of a relay according to a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a main body part of a relay according to a first embodiment of the present invention;

fig. 3 is a front view of a main body part of a relay according to a first embodiment of the present invention;

fig. 4 is a side view of a main body portion of a relay according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic illustration of the insertion of the static spring portion and the base according to the first embodiment of the present invention;

fig. 7 is a schematic illustration (turned by an angle) of the insertion of the static spring portion and the base according to the first embodiment of the present invention;

fig. 8 is a cross-sectional view of the stationary spring part of the first embodiment of the present invention, which is coupled to the base, taken along one direction;

fig. 9 is a cross-sectional view of the static spring portion of the first embodiment of the present invention, in another direction, mated with the base;

fig. 10 is a schematic view of the assembly of the movable spring and the armature according to the first embodiment of the present invention;

fig. 11 is a schematic view of the yoke, the base, and the coil according to the first embodiment of the present invention;

fig. 12 is a schematic perspective view of a stationary reed according to a first embodiment of the present invention;

fig. 13 is a schematic perspective view (turned by an angle) of a stationary spring plate according to a first embodiment of the present invention;

fig. 14 is a schematic perspective view (turned by an angle) of the stationary spring plate according to the first embodiment of the present invention;

fig. 15 is a schematic perspective view of a base according to a first embodiment of the present invention;

fig. 16 is a side view of a base according to a first embodiment of the present invention;

FIG. 17 is a sectional view taken along line B-B of FIG. 16;

fig. 18 is a schematic perspective view of a movable spring plate according to a first embodiment of the present invention;

fig. 19 is a schematic perspective view (turned by an angle) of the movable spring plate according to the first embodiment of the present invention;

fig. 20 is a schematic perspective view of a yoke according to a first embodiment of the present invention;

fig. 21 is a schematic perspective view (turned by an angle) of a yoke according to a first embodiment of the present invention;

fig. 22 is a schematic illustration (turned by an angle) of the insertion of the static spring portion and the base according to the second embodiment of the present invention;

fig. 23 is a cross-sectional view of the stationary spring part of the second embodiment of the present invention fitted to the base.

Detailed Description

Example one

Referring to fig. 1 to 21, a low-height horizontal electromagnetic relay of the present invention includes a movable spring portion 1, a stationary spring portion, a magnetic circuit portion 3, a base 4, and a housing 5; the magnetic circuit part 3 comprises a coil 31, an iron core 32, a yoke 33 and an armature 34 which are correspondingly matched, and the coil 31 is horizontally arranged on the base 4; the movable spring part 1 comprises a movable spring 12 and a movable contact 11 fixed on the movable spring, wherein the movable spring 12 is respectively connected with a yoke 33 and an armature 34; the static spring part comprises a static spring piece 2 and a static contact 20 fixed on the static spring piece 2; the base 4 is provided with a jack 41 for inserting the static reed; the static reed 2 comprises a static contact connecting part 21 and a static spring leading-out part 23 which are approximately parallel to each other, and a transition part 22 which is integrally bent and connected between the lower end of the static contact connecting part and the upper end of the static spring leading-out part; the upper part of the static spring leading-out part 23 is in clearance fit with the jack 41 of the base, the transition part 22 is attached to the inner surface 42 of the base 4, and the static contact 20 is correspondingly matched with the movable contact 11, when the static spring leading-out part 23 is in clearance fit with the jack 41, three surfaces of four matching surfaces are attached, and a clearance is left on one surface, of course, other matching modes can be adopted; a certain gap S is arranged between the bottom surface of the transition part 22 and the inner surface 42 of the base 4, so that an exhaust channel for exhausting the heat generated by the static reed out of the base is formed by the gap S and the gap; the upper part of the static spring leading-out part 23 is also provided with a fixing part 24 extending upwards so as to enhance the fixing strength of the static spring piece 2 and the base 4 through the matching of the fixing part 24 and the base 4.

In this embodiment, the transition portion 22 is substantially horizontally disposed, and a protrusion is further disposed between the bottom surface of the transition portion 22 and the inner surface 42 of the base 4, so that the gap S is formed between the bottom surface of the transition portion 22 and the inner surface 42 of the base 4.

In this embodiment, the protrusion is a second protrusion 43 integrally formed on the inner surface of the base 4 and protruding upward.

In this embodiment, a sinking groove 44 with a certain area is further provided on the inner surface 42 of the base 4 below the corresponding matching position of the fixed contact 20 and the movable contact 11, so that the sinking groove 44 can be used for accommodating metal splashes generated during the operation of the movable contact and the fixed contact, thereby ensuring the creepage distance when the movable contact and the fixed contact are disconnected.

In this embodiment, two sides of the width of the upper portion of the fixed spring leading-out portion 23 are respectively provided with a fixing portion 24 extending upwards, one side of the outer side of the fixing portion 24 exceeds the side of the width of the fixed spring leading-out portion 23, so that the bottom end of the fixing portion 24 forms a first step 241 relative to the fixed spring leading-out portion, and the top of the fixing portion 24 is provided with a third protrusion 242 towards the outer side; a clamping table 45 is arranged at a position, corresponding to the fixing part of the static reed, above the insertion hole 41 of the base 4, the bottom surface of the third convex part 242 of the fixing part abuts against the clamping table 45 of the base, and the first step 241 of the fixing part 24 is clamped at the bottom hole edge of the insertion hole 41 of the base 4 through split riveting.

In this embodiment, the insertion hole 41 of the base 4 extends upward to the locking platform 45 on both sides corresponding to the width of the upper portion of the static spring leading portion 23; at least one fourth protrusion 243 is further disposed on the outer side of the fixing portion 24, and the fixing portion 24 is in interference fit with the insertion hole 41 of the base 4 in the width direction of the stationary spring plate through the fourth protrusion 243.

In this embodiment, a gap 25 is formed at the joint position of the transition portion 22 and the fixing portion 24; the transition part 22 is provided with a through hole 26 extending towards the direction of the static contact connecting part; and the shape of the through-hole 26 is trapezoidal.

In this embodiment, the movable spring 12 is bent into a substantially L-shaped form by a first bending portion 121, one L-shaped side 122 of the movable spring 12 is fixed to the yoke 33, the other L-shaped side 123 of the movable spring 12 is fixed to the armature 34, the armature 34 is fitted to a notch of the yoke 33, and the movable contact 11 is fixed to a distal end of the other L-shaped side 123 of the movable spring 12; the armature 34 is provided with a hook 341 to hook at the knife edge of the yoke 33; the L-shaped side 122 of the movable spring 12 is a through hole 124 extending from the first bent portion 121 to the end direction of the L-shaped side 122, the L-shaped side 122 of the movable spring and the other L-shaped side 123 of the movable spring are respectively provided with a second bent portion 125 and a third bent portion 126, the through hole 124 is further provided with a reinforcing plate 127, and the reinforcing plate 127 is located in the middle of the projection position of the second bent portion 125 to the hook 341 of the armature on the L-shaped side of the movable spring. The reinforcing plate 127 is used for reinforcing the strength of the second bending portion 125, so that two sides of the through hole 124 are parallel to the knife edge of the yoke 33, the matching of the hook 341 of the armature 34 and the knife edge of the yoke 33 is convenient to adjust, and the reliability of the contact is further improved.

In this embodiment, the coil 31 includes a coil frame 311 and an enamel wire 312 wound at a winding window of the coil frame, and the iron core 32 is fitted in a through hole of the coil frame 311; the yoke 33 is substantially L-shaped, one L-shaped side 331 of the yoke 33 is fixed to one L-shaped side 122 of the movable spring 12 and is fitted to the winding window of the bobbin 311, the other L-shaped side 332 of the yoke 33 is fitted to the flange 313 of the bobbin 311, the other L-shaped side 332 of the yoke is further extended with a pin 333 as a movable spring lead-out end, and an upper portion of the pin 33 is inserted and fixed to the base 4; the base 4 is provided with a corresponding jack 46; the top end of the pin 333 is provided with a bending part 334 to realize abdication of the flange 313 of the coil frame; the two sides of the top end of the pin 333 are provided with fifth convex parts 335, and a second step 336 for split riveting is arranged below the fifth convex parts 335; the fifth boss 335 snaps over the receptacle 46 and snaps down under the receptacle 46 after the second step 336 is snapped.

The utility model discloses a low-height horizontal electromagnetic relay, the upper portion of the static spring leading-out part 23 of the static spring leaf 2 is in a single-side clearance fit in the jack 41 of the base, and a certain gap S is arranged between the bottom surface of the transition part 22 of the static spring leaf and the inner surface 42 of the base 4, so as to utilize the gap and the gap to form an exhaust passage for discharging the heat generated by the static spring leaf out of the base; the upper part of the static spring leading-out part 23 is also provided with a fixing part 24 extending upwards so as to enhance the fixing strength of the static spring piece 2 and the base 4 through the matching of the fixing part 24 and the base 4. The structure of the utility model, through setting the gap and the clearance between the inner surface of the static reed 2 and the base 4 and between the static reed 2 and the jack 41 of the base, the heat of the static reed and the position of the movable contact and the static contact inside the relay can be dissipated outside the base from the clearance between the inner surface of the base and the jack, thereby preventing the temperature rise inside the relay from influencing the normal work of the relay; and because be clearance fit (for example a single face clearance fit) between the jack of quiet reed and base, that is to say in four faces of jack, only three face and quiet reed contact, like this, on the one hand can make the fixed insecure between the jack of quiet reed and base, and on the other hand can have the slope of quiet reed, and then the problem of moving, quiet contact dislocation appears, the utility model discloses an upper portion at quiet spring derivation part still upwards extends and is equipped with the fixed part, utilizes fixed part and base cooperation, has strengthened the fixed strength between the jack of quiet reed and base, simultaneously, can prevent that quiet reed is crooked.

The utility model discloses a low-height horizontal electromagnetic relay, in having adopted the internal surface 42 of base 4, corresponding to the below that the stationary contact corresponds the cooperation position with the movable contact still is equipped with the heavy groove 44 of certain area. The utility model discloses a this kind of structure can utilize the metal splash that the heavy groove 44 accomodates and moves, stationary contact during operation production, creepage distance when guaranteeing to move, stationary contact disconnection.

The utility model discloses a low-height horizontal electromagnetic relay, which adopts the technical proposal that a gap 25 is arranged at the connecting position of a transition part 22 of a static reed 2 and a fixed part 24 of the static reed; a through hole 26 is formed in the transition part in an extending mode towards the direction of the static contact connecting part; and the shape of the through-hole 26 is trapezoidal. The structure of the utility model can improve the flexibility of the static reed by utilizing the notches formed at the two sides of the static contact connecting part and the through holes of the transition part, and play the role of buffering and attracting when the static contact and the static contact are closed, namely buffering the rebound of the contact; the through hole is designed to be trapezoidal, the areas of two sides of the through hole are the largest, and the current-carrying area of the static reed can be effectively ensured. Because the trapezoidal hole is seted up in the middle of middle transition portion and the contact connecting portion hookup location for middle transition portion and quiet spring lead-out portion hookup location constriction, make the quiet reed heat conduction under the low temperature low, quiet reed is higher than the ambient temperature around the contact, can not condense dew or freeze, has the effect that prevents the contact and freeze.

Example two

Referring to fig. 22 to 23, a difference between the first embodiment and the second embodiment of the horizontal electromagnetic relay of the present invention is that the protrusion is a first protrusion 221 integrally formed on the bottom surface of the transition portion 22 and protruding downward.

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 (10)

1. A low-height horizontal electromagnetic relay comprises a movable spring part, a static spring part, a magnetic circuit part and a base; the magnetic circuit part comprises a coil, an iron core, a yoke and an armature which are correspondingly matched, and the coil is horizontally arranged on the base; the movable spring part comprises a movable contact; the static spring part comprises a static spring piece and a static contact fixed on the static spring piece; the base is provided with a jack for inserting the static reed; the static reed comprises a static contact connecting part and a static spring leading-out part which are approximately parallel to each other, and a transition part which is integrally bent and connected between the lower end of the static contact connecting part and the upper end of the static spring leading-out part; the method is characterized in that: the upper part of the static spring leading-out part is in clearance fit with the jack of the base, the transition part is attached to the inner surface of the base, the static contact is correspondingly matched with the movable contact, and a certain gap is also arranged between the bottom surface of the transition part and the inner surface of the base so as to form an exhaust channel for discharging heat generated by the static spring leaf out of the base by utilizing the gap and the clearance; the upper part of the static spring leading-out part also extends upwards to be provided with a fixing part so as to enhance the fixing strength of the static spring and the base through the matching with the base.

2. The low-height horizontal electromagnetic relay according to claim 1, characterized in that: the movable spring part also comprises a movable spring plate; the movable contact is fixed on the movable spring, and the movable spring is also respectively connected with the yoke and the armature.

3. The low-height horizontal electromagnetic relay according to claim 1, characterized in that: the transition part is approximately horizontally arranged, and a convex block is arranged between the bottom surface of the transition part and the inner surface of the base, so that the gap is formed between the bottom surface of the transition part and the inner surface of the base.

4. A low-height horizontal electromagnetic relay according to claim 3, characterized in that: the lug is a first convex part which is integrally formed on the bottom surface of the transition part and protrudes downwards; or, the projection is a second protrusion integrally formed on the inner surface of the base and protruding upwards.

5. The low-height horizontal electromagnetic relay according to claim 2, characterized in that: in the inner surface of the base, a sinking groove with a certain area is arranged below the corresponding matching position of the static contact and the movable contact, so that metal splashes generated when the movable contact and the static contact work are accommodated by the sinking groove, and the creepage distance when the movable contact and the static contact are disconnected is ensured.

6. A low-height horizontal electromagnetic relay according to claim 1, 2 or 3, characterized in that: the two sides of the width of the upper part of the static spring leading-out part extend upwards to form the fixing part, one side of the outer side of the fixing part exceeds the side of the width of the static spring leading-out part, so that the bottom end of the fixing part forms a first step relative to the static spring leading-out part, and the top of the fixing part is provided with a third convex part outwards; the position of the top of the jack of the base, which corresponds to the fixed part of the static reed, is provided with a clamping table, the bottom surface of the third convex part of the fixed part is abutted to the clamping table of the base, and the first step of the fixed part is clamped at the bottom hole edge of the jack of the base through splitting and riveting.

7. The low-height horizontal electromagnetic relay according to claim 6, characterized in that: the jack of the base is also extended upwards to the clamping table at two sides corresponding to the width of the upper part of the static spring leading-out part; the outer side of the fixing part is further provided with at least one fourth convex part, and the fixing part is in interference fit with the jack of the base in the width direction of the static reed through the fourth convex part.

8. The low-height horizontal electromagnetic relay according to claim 7, characterized in that: a gap is arranged at the joint position of the transition part and the fixing part; the transition part extends towards the direction of the static contact connecting part and is provided with a through hole; and the shape of the through hole is trapezoidal.

9. The low-height horizontal electromagnetic relay according to claim 2, characterized in that: the movable spring is bent into an approximately L-shaped shape through a first bending part, one L-shaped side of the movable spring is fixed with the yoke, the other L-shaped side of the movable spring is fixed with the armature, the armature is matched at the knife edge of the yoke, and the movable contact is fixed at the tail end of the other L-shaped side of the movable spring; the armature iron is provided with a hook to be hooked at the knife edge of the yoke iron; the movable spring piece comprises a through hole, wherein one side of the L shape of the movable spring piece extends from a first bending part to the tail end direction of one side of the L shape, a second bending part and a third bending part are further arranged on one side of the L shape of the movable spring piece and the other side of the L shape of the movable spring piece respectively, a reinforcing plate is further arranged in the through hole, and the reinforcing plate is located in the middle of the projection position of the hook from the second bending part to the armature on one side of the L shape of the movable spring piece.

10. The low-height horizontal electromagnetic relay according to claim 2, characterized in that: the coil comprises a coil frame and an enameled wire wound at a winding window of the coil frame, and the iron core is matched in a through hole of the coil frame; the yoke is approximately L-shaped, one L-shaped side of the yoke is fixed with one L-shaped side of the movable spring and is correspondingly matched with a winding window of the coil frame, the other L-shaped side of the yoke is correspondingly matched with a flange of the coil frame, a pin serving as a leading-out end of the movable spring is further extended from the other L-shaped side of the yoke, and the upper part of the pin is inserted and fixed on the base; the top ends of the pins are provided with bending parts to realize abdicating the flange of the coil rack; and fifth convex parts are arranged on two sides of the top end of the pin, and a second step for split riveting is arranged below the fifth convex parts.

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