CN210516633U

CN210516633U - Coil rack capable of adjusting height position and high-voltage direct-current relay thereof

Info

Publication number: CN210516633U
Application number: CN201921404678.0U
Authority: CN
Inventors: 唐锋; 郝顶; 谭忠华; 陈旭东; 吴京洧
Original assignee: Zhejiang Hongzhou New Energy Technology Co ltd
Current assignee: Zhejiang Hongzhou New Energy Technology Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-12
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a coil rack with adjustable height and position and a high-voltage direct-current relay thereof, wherein the coil rack comprises retaining walls at the upper end and the lower end and a winding post which is connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall. The utility model discloses a structural improvement can adjust the high position of coil former, has avoided prior art to include the inside part and the iron cup of coil former because of the drawback that the size mismatching caused.

Description

Coil rack capable of adjusting height position and high-voltage direct-current relay thereof

Technical Field

The utility model relates to a relay technical field especially relates to a coil former of adjustable height position and high-voltage direct-current relay thereof.

Background

A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

A square epoxy sealed high-voltage direct-current relay in the prior art is usually to pack coil former and coil former wound enameled wire, yoke iron plate, interior internals such as support cover into the inner chamber of square iron cup, and the coil former is in the bottom position of iron cup, the iron cup is the opening up, because there is tolerance in the degree of depth of iron cup, when the overall height dimension of internals is less than with iron cup matched with degree of depth size, there is certain space between the inboard one side of the diapire of bottom surface and iron cup of coil former, will lead to internals to have a sinkage force, influence the performance of coil former, when the overall height dimension of internals is greater than with iron cup matched with degree of depth size, will influence the cooperation between interior support cover and the iron cup.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a coil former and high voltage direct current relay of adjustable height position, through institutional advancement, can adjust the high position of coil former, avoided prior art to include the inside part and the iron cup of coil former because of the drawback that the size mismatching caused.

The utility model provides a technical scheme that its technical problem adopted is: a coil rack with adjustable height position comprises retaining walls at the upper and lower ends and a winding post connected between the upper and lower retaining walls in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall.

The convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions near the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the bobbin.

The convex part is a rib.

The winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.

The platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack.

The edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.

A high-voltage direct-current relay comprises an inner support cover, an iron cup and a coil rack; the iron cup is square and is provided with an inner cavity with an upward opening; the coil rack is connected below the inner support cover; the periphery of the top end of the inner support cover is provided with an edge part protruding towards the horizontal direction; the side wall of the inner support cover and the coil rack are matched in the inner cavity of the iron cup, and the coil rack is positioned at the bottom position of the iron cup; the edge part of the inner support cover is lapped on the top end surface of the opening part of the iron cup; the coil rack comprises retaining walls at the upper end and the lower end and a winding post connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the relative both sides of the bottom surface of barricade are close to the border position and are equipped with at least one convex part respectively down, two at least convex parts support respectively in the inboard one side of the diapire of iron cup to when the clearance appears in the border portion of interior support cover and the top face of the opening of iron cup, through pushing down, receive the effect of convex part, the centre of the lower barricade of coil former sinks, and the edge of barricade upwards sticks up down, makes the clearance between the border portion of interior support cover and the top face of the opening of iron cup closed.

The upper retaining wall, the lower retaining wall and the winding post are encircled to form a winding window surrounding the winding post; and a coil pin connecting part is arranged on the upper surface of the upper retaining wall.

The convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the coil frame.

The convex part is a rib.

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

1. the utility model discloses owing to adopted being equipped with at least one convex part respectively near the border position of the relative both sides of the bottom surface of barricade under to two at least convex parts support respectively in the inboard one side of the diapire of iron cup to when the clearance appears in the border portion of interior support cover and the top face of the opening of iron cup, through pushing down, receive the effect of convex part, the centre of the lower barricade of coil former sinks, and the edge of barricade is upwards turned up down, and the clearance between the border portion of the interior support cover and the top face of the opening of iron cup is closed in the messenger. The utility model discloses an increase the convex part that can adjust the high position of coil former in the bottom of coil former, avoided prior art to include the inside part and the iron cup of coil former because of the drawback that the size mismatching caused.

2. The utility model discloses owing to adopted at the orientation of upper and lower barricade the one side of wire winding window, protruding the stretching still is equipped with the platform, and the platform is established to circle at the peripheral ring shape of wrapping post for, and corresponding with the winding enameled wire thickness dimension of coil former to and still extend the inclined plane outside the region to the winding enameled wire thickness dimension of coil former with the edge of platform. The utility model discloses a deformation when this kind of structure, the inclined plane at the edge that can utilize the platform goes to compensate upper and lower retaining wall indent, on the one hand, can guarantee closely arranging of enameled wire, and on the other hand can guarantee can not scotch the enameled wire when the wire winding.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the height-adjustable coil rack and the high-voltage direct-current relay thereof of the present invention are not limited to the embodiments.

Drawings

Fig. 1 is a schematic configuration diagram of a bobbin of an embodiment of the present invention;

fig. 2 is a schematic configuration diagram (turned over by an angle) of a bobbin of an embodiment of the present invention;

fig. 3 is a front view of a coil former of an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of section A of FIG. 3;

fig. 5 is a schematic diagram of a partial structure of a high-voltage direct-current relay according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of section B of FIG. 5;

fig. 7 is a schematic view of the coil bobbin of the embodiment of the present invention in a compressed state;

FIG. 8 is a first schematic view showing the fitting of the inner support cap, bobbin and iron cup of the comparative example;

FIG. 9 is a second schematic view showing the fitting of the inner support cap, bobbin and iron cup of the comparative example;

fig. 10 is a first schematic view of the cooperation of the inner support cover, the coil rack and the iron cup according to the embodiment of the invention;

fig. 11 is a second schematic view of the cooperation of the inner support cover, the coil frame and the iron cup according to the embodiment of the present invention.

Detailed Description

Examples

Referring to fig. 1 to 4, a height position adjustable coil bobbin of the present invention, the coil bobbin 1 includes retaining

walls

11, 12 at upper and lower ends and a winding post 13 connected between the upper and lower

retaining walls

11, 12 in an upright state; the upper and lower

retaining walls

11, 12 are respectively in the shape of a substantially flat plate and are square; the upper and lower

retaining walls

11, 12 and the winding post 13 enclose a winding window 14 surrounding the winding post; the upper surface of the upper wall 11 is provided with a coil pin connecting part 15, and the positions close to the edges of the two opposite sides of the bottom surface of the lower wall 12 are respectively provided with at least one convex part for supporting and adjusting the height position.

In this embodiment, the convex part is a convex bud 16, two convex buds 16 are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall, and the number of the two sides is four; four protrusions 16 are respectively provided at positions near the edges corresponding to four corners of the bottom surface of the lower blocking wall 12 of the bobbin 1.

In this embodiment, the winding post 13 is circular; and a platform 17 is also convexly arranged on one surface of the upper and lower

retaining walls

11 and 12 facing the winding window.

In this embodiment, the platform 17 is a circular ring surrounding the periphery of the winding post 13, and corresponds to the thickness of the enameled wire wound on the coil rack.

In this embodiment, the edge of the platform 17 is further provided with a slope 171 extending outside the area of the thickness dimension of the enamel wire wound on the coil former.

The convex part in this embodiment is the convex bud 16, and of course, the convex part may be a rib.

Referring to fig. 1 to 7, the high voltage dc relay of the present invention includes an inner support cap 2, an iron cup 3 and a coil rack 1; the iron cup 2 is square and is provided with an inner cavity with an upward opening; the inner support cover 2 is provided with an inner cavity with a downward opening; the coil rack 1 is connected below the inner support cover 2, a guide plate 4 and a yoke plate 5 are further arranged between the inner support cover 2 and the top surface of the coil rack 1, and magnetic steel 6 is further arranged in the guide plate 4; the high-voltage direct-current relay further comprises static contact leading-out ends 71, movable springs 72, a push rod part 73, a movable iron core 74 and the like, wherein the two static contact leading-out ends 71 are fixed at the top of the inner support cover 2, the bottom ends of the two static contact leading-out ends 71 are arranged in an inner cavity of the inner support cover 2, the movable springs 72 are accommodated in the inner cavity of the inner support cover 2, the two ends of the movable springs 72 respectively correspond to the bottom ends of the two static contact leading-out ends 71, the upper end of the push rod part 73 is connected with the movable springs 72, and the lower end of the push rod part 73 is connected with the; the periphery of the top end of the inner support cover 2 is provided with an edge part 21 protruding towards the horizontal direction; the side wall of the inner support cover 2 and the coil rack 1 are fitted in the inner cavity of the iron cup 3, and the coil rack 1 is positioned at the bottom of the iron cup 3; the edge part 21 of the inner support cover 2 is lapped on the top end surface 31 of the opening part of the iron cup 3; the coil rack 1 comprises retaining

walls

11, 12 at the upper and lower ends and a winding post 13 connected between the upper and lower

retaining walls

11, 12 in an upright state; the upper and lower

retaining walls

11, 12 are respectively in the shape of a substantially flat plate and are square; at least one convex part is respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall 12, in the embodiment, the convex parts are convex bracts 16, two convex bracts 16 are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall, and the number of the two convex bracts is four; the four protrusions 16 are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower baffle wall of the bobbin, so that when a gap occurs between the edge portion 21 of the inner support cover 2 and the top end surface 31 of the opening of the iron cup 3, the protrusions are pressed downward and are acted by the protrusions 16, the protrusions receive a reaction force F from the bottom wall of the iron cup 3, the middle of the lower baffle wall 12 of the bobbin 1 sinks, the edge of the lower baffle wall 12 is turned upward and is turned upward (as shown by arrows in fig. 7), and the gap between the edge portion 21 of the inner support cover 2 and the top end surface 13 of the opening of the iron cup is closed.

In this embodiment, the upper and lower

retaining walls

11, 12 and the winding post 13 enclose a winding window 14 surrounding the winding post; a coil pin connection part 15 is provided on the upper surface of the upper wall 11.

retaining walls

11 and 12 facing the winding window.

In this embodiment, the platform 17 is a circular ring surrounding the periphery of the winding post, and corresponds to the thickness of the enameled wire wound by the coil rack.

As shown in fig. 8 and 9, when no protrusion is provided at the bottom of the bobbin 1, due to the tolerance of the depth of the iron cup 3, when the overall height dimension of the internal parts (including the inner support cap 2, the bobbin 1, etc.) is smaller than the depth dimension of the iron cup 3, a certain gap H1 exists between the bottom surface of the bobbin 1 and the inner side surface of the bottom wall of the iron cup 3, which will result in a sinking force of the internal parts and affect the performance of the bobbin, and when the overall height dimension of the internal parts is larger than the depth dimension of the iron cup 3, a gap H2 will appear between the edge portion 21 of the inner support cap 2 and the top end surface 31 of the opening portion of the iron cup 3.

As shown in fig. 10 and 11, the present invention provides a protruding bud 16 at the bottom of the coil frame 1, when the overall height dimension of the internal components (including the internal support cover 2, the coil frame 1, etc.) is smaller than the depth dimension matched with the iron cup 3, the protruding bud at the bottom of the coil frame 1 plays a role of filling the gap H1, and the bottom of the coil frame 1 contacts with the inner side surface of the bottom wall of the iron cup 3 through the protruding bud 16; when the overall height dimension of the internal parts is larger than the depth dimension matched with the iron cup 3, the middle of the lower baffle wall 12 of the coil rack 1 sinks under the action of the convex bracts 16 through pressing, the edge of the lower baffle wall 12 tilts upwards, the inner support cover 2 also sinks, the edge part 21 of the inner support cover 2 is contacted with the top end surface 31 of the opening part of the iron cup 3, and the gap H2 is closed.

The utility model discloses a coil former and high-voltage direct-current relay of height-adjustable position has adopted being equipped with at least one convex part respectively near the border position of the relative both sides of the bottom surface of barricade 12 under, and the convex part is protruding bud, and four protruding buds 16 are located respectively corresponding to the border that is close to in the bottom surface four corners of the lower barricade of coil former puts the department to support in the inboard one side of the diapire of iron cup 3 respectively, when the clearance appears with the top face 31 of the opening of iron cup 3 in the border portion 21 of inner support cover 2, through pushing down, receive protruding bud 16's effect, the centre of the lower barricade 12 of coil former 1 sinks, and the edge of lower barricade 12 upwards sticks up, makes the clearance between the border portion 21 of inner support cover and the top face of the opening of iron cup closed. The utility model discloses an increase the protruding bud that can adjust the high position of coil former in the bottom of coil former, avoided prior art to include the inside part and the iron cup of coil former because of the drawback that the size mismatching caused.

The utility model discloses a coil former and its high voltage direct current relay of adjustable height position, adopted the one side towards the wire winding window of upper and

lower barricade

11, 12, still protruding the extension have a platform 17, the platform 17 is set as the ring shape around the periphery of winding post, and correspond with the enameled wire thickness size that the coil former twines; and the edge of the stage 17 is further extended with a slope 171 outside the area of the thickness dimension of the enamel wire wound on the bobbin. The utility model discloses a this kind of structure, inclined plane 171 at the edge that can utilize platform 17 goes the deflection when compensating upper and lower retaining wall indent, on the one hand, can guarantee closely arranging of enameled wire, and on the other hand can guarantee can not scotch the enameled wire when the wire winding.

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

1. A coil rack with adjustable height position comprises retaining walls at the upper and lower ends and a winding post connected between the upper and lower retaining walls in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the upper retaining wall, the lower retaining wall and the winding post are enclosed to form a winding window surrounding the winding post; the method is characterized in that: at least one convex part for supporting and adjusting the height position is respectively arranged at the positions close to the edges of the two opposite sides of the bottom surface of the lower retaining wall.

2. A height adjustable position coil former according to claim 1, wherein: the convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions near the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the bobbin.

3. A height adjustable position coil former according to claim 1, wherein: the convex part is a rib.

4. A height adjustable position coil former according to claim 1, 2 or 3, wherein: the winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.

5. A height adjustable position coil former according to claim 4, wherein: the platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack; the edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.

6. A high-voltage direct-current relay comprises an inner support cover, an iron cup and a coil rack; the iron cup is square and is provided with an inner cavity with an upward opening; the coil rack is connected below the inner support cover; the method is characterized in that: the periphery of the top end of the inner support cover is provided with an edge part protruding towards the horizontal direction; the side wall of the inner support cover and the coil rack are matched in the inner cavity of the iron cup, and the coil rack is positioned at the bottom position of the iron cup; the edge part of the inner support cover is lapped on the top end surface of the opening part of the iron cup; the coil rack comprises retaining walls at the upper end and the lower end and a winding post connected between the upper retaining wall and the lower retaining wall in an upright state; the upper retaining wall and the lower retaining wall are approximately flat plate-shaped and square; the relative both sides of the bottom surface of barricade are close to the border position and are equipped with at least one convex part respectively down, two at least convex parts support respectively in the inboard one side of the diapire of iron cup to when the clearance appears in the border portion of interior support cover and the top face of the opening of iron cup, through pushing down, receive the effect of convex part, the centre of the lower barricade of coil former sinks, and the edge of barricade upwards sticks up down, makes the clearance between the border portion of interior support cover and the top face of the opening of iron cup closed.

7. The high-voltage direct current relay according to claim 6, characterized in that: the upper retaining wall, the lower retaining wall and the winding post are encircled to form a winding window surrounding the winding post; and a coil pin connecting part is arranged on the upper surface of the upper retaining wall.

8. The high-voltage direct current relay according to claim 7, characterized in that: the convex parts are convex bracts, and two convex bracts are respectively arranged at the positions close to the edges of two opposite sides of the bottom surface of the lower retaining wall; the four protrusions are respectively located at positions close to the edges corresponding to the four corners of the bottom surface of the lower blocking wall of the coil frame.

9. The high-voltage direct current relay according to claim 7, characterized in that: the convex part is a rib.

10. The high-voltage direct current relay according to claim 7, characterized in that: the winding post is circular; and the upper retaining wall and the lower retaining wall face to one side of the winding window and are also convexly extended with platforms.

11. The high-voltage direct current relay according to claim 10, characterized in that: the platform is a circular ring surrounding the periphery of the winding post and corresponds to the thickness of an enameled wire wound by the coil rack; the edge of the platform also extends to the outside of the region of the thickness dimension of the enameled wire wound by the coil rack and is provided with an inclined surface.