CN214254266U

CN214254266U - Stabilization structure of dry reed relay

Info

Publication number: CN214254266U
Application number: CN202120062485.2U
Authority: CN
Inventors: 陈楠; 付波
Original assignee: Churod Electronics Co ltd
Current assignee: Churod Electronics Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-09-21
Anticipated expiration: 2031-01-11

Abstract

The utility model relates to a dry spring relay's stable structure. The coil shaft comprises a wire barrel, end covers used for bending reed end feet of the magnetic reed pipe for multiple times and limiting and fixing are formed at two ends of the wire barrel, and transverse stress deformation angles of the reed end feet are not smaller than 90 degrees after the reed end feet are limited and fixed by the end covers. The utility model discloses a dry reed relay's stable structure utilizes the coil shaft as the skeleton of whole relay structure to set up the limit structure who is used for fixed reed end foot and contact pin on the coil shaft, utilize the reed end foot angle of buckling of limit structure restriction magnetic reed pipe, thereby both can guarantee the fixed direction of pin when adaptation environment, and can guarantee the steadiness, be unlikely to make the pin damage and influence the continuity at the in-process that the atress was dragged. Therefore, the stable structure of the dry reed relay is more stable and reliable, and the overall reliability and service life of the relay are greatly improved.

Description

Stabilization structure of dry reed relay

Technical Field

The utility model relates to a relay technical field especially relates to a dry spring relay's stable structure.

Background

Common dry reed relay on the existing market does not set up sufficient positioning accuracy to its reed end foot, therefore it is very easily when actual welding to the pulling in the reed end foot dynamics and influence its stability, and the reliability is very low, then directly influences the performance of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry spring relay's stable structure.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a stable structure of a reed relay is provided with X, Y, Z three linear shafts, and at least comprises a shell (11) and a bottom cover (19) of a shell (10) which can be buckled into a hollow and closed space, wherein a magnetic reed pipe (30) and a coil (40) which are formed on a Y axis are arranged in the shell (10), a coil shaft (20) is also arranged in the shell (10), the coil shaft (20) comprises a cylindrical bobbin (21) which is formed on the Y axis, the magnetic reed pipe (30) is coaxially arranged in the bobbin in a penetrating way, and the coil (40) is wound on the outer wall of the bobbin (21); and end covers (22) used for bending and limiting and fixing reed end feet (31) at two ends of the magnetic reed pipe (30) for multiple times are respectively formed at two ends of the coil shaft (20), and after the reed end feet (31) are limited and fixed by the end covers (22), the transverse stress deformation angle is not less than 90 degrees.

In a preferred embodiment, the reed terminal pin (31) is bent into a first section (311), a second section (312) and a third section (313) which are connected in sequence, the first section (311) is led out from the end part of the magnetic reed pipe (30), and the tail end of the third section (313) is connected with a reed terminal pin (32); the reed terminal pin (32) is formed on a transverse plane on which an X axis is located, the third section (313) is vertically connected with the reed terminal pin (32), an included angle alpha is formed between the second section (312) and the third section (313), and the degree of the included angle alpha is not more than 90 degrees.

In a preferred embodiment, the end cover (22) comprises a baffle plate (221) fixed on the end part of the bobbin (21) in a sealing way, and a shaft hole (211) communicated with the bobbin (21) is formed in the baffle plate (221); a first limiting structure (222) for limiting and fixing the reed terminal pin (31) is formed on the outer wall of the baffle (221), the first limiting structure (222) comprises a first supporting plate (2221) and a second supporting plate (2222) which integrally extend from the outer wall of the baffle along the Y-axis direction, a limiting block (2223) is formed on the end part of the extending end of the first supporting plate (2221) and the second supporting plate (2222), and a first limiting groove (2224) extending along the X-axis direction is formed on the upper surface of the limiting block (2223) along the Z-axis direction; the first section (311) of the reed terminal pin (31) is led out from the shaft hole (211) and extends towards the first limiting groove (2224), the second section (312) can be clamped in the first limiting groove (2224), and the third section ((313)) is led out from the outside of the first limiting groove (2224), is bent along the Z-axis direction and then leads out the reed terminal pin (32) to the outside of the shell (10) along the X-axis direction.

In a preferred embodiment, a pin (50) having a pin lead (51); a second limiting structure (223) used for limiting and fixing the inserting needle (50) is further formed on the outer wall of the baffle (221); the second limiting structure (223) comprises a first stop block (2231) and a second stop block (2232) which integrally extend from the outer wall of the baffle plate (221) along the Y-axis direction, wherein the section of the second stop block (2232) is L-shaped, a second limiting groove (2233) running in the L-shaped direction is formed between the first stop block (2231) and the second stop block (2232), the pin (50) can be clamped in the second limiting groove (2233), and the pin (51) is bent along the negative direction of the X-axis and led out of the shell (10).

In a preferred embodiment, a first positioning block (12) which is in concave-convex fit with the housing (11) is formed in the housing (11) at a position corresponding to the first limiting structure (222) of the coil shaft (20), when the housing (11) is buckled with the bottom cover (19), the first positioning block (12) abuts against the first limiting structure (222) to seal the second section (312) of the reed-shaped terminal pin (31) in the first limiting groove (2224) and fix the second section, a limiting rib (13) for limiting the displacement of the second section is formed on the inner side wall of the housing (11) at a position corresponding to the first limiting structure (222), and a third section (313) for the reed-shaped terminal pin (31) and a first pin opening (14) through which the reed-shaped terminal pin (32) is led out to the outside are further formed.

In a preferred embodiment, a second positioning block (15) for shielding the second limiting groove (2233) is formed inside the housing (11) at a position corresponding to the second limiting structure (223) of the coil shaft (20), when the housing (11) is fastened to the bottom cover (19), the second positioning block (15) abuts against the second limiting structure (223) to seal and fix the pin (50) in the second limiting groove (2233), and a second pin opening (16) for leading out the pin (51) of the pin (50) to the outside is formed in the inner side wall of the housing (11) and at a position corresponding to the second limiting structure (223).

The utility model discloses dry spring relay's stable structure beneficial effect lies in: utilize the coil axis as the skeleton of whole relay structure to set up the limit structure who is used for fixed reed end foot and contact pin on the coil axis, make the transverse stress deformation angle of reed end foot not less than 90 degrees, thereby both can guarantee the fixed direction of pin line when adaptation environment, and can guarantee the steadiness, be unlikely to make the pin damage and influence the conductivity at the in-process that the atress was dragged.

Drawings

Fig. 1 is a schematic perspective view of a stabilization structure of a reed relay in an embodiment.

Fig. 2 is an exploded perspective view of a stabilization structure of the reed relay in an embodiment.

Fig. 3 is a longitudinal sectional view showing an assembled relationship of a coil bobbin and a coil bobbin of a stabilized structure of the dry reed relay in one embodiment.

Figure 4 is an enlarged view of the reed terminal pin of figure 3.

Fig. 5 is a perspective view of the coil bobbin of fig. 2.

Fig. 6 is an enlarged view of the end cap of fig. 5.

Fig. 7 is a partial view of the housing of fig. 2 from another angle.

Fig. 8 is a bottom view of the housing of fig. 2.

Fig. 9 is a partial view of the internal assembly of the stabilizing structure of the reed relay in one embodiment.

Detailed Description

The stabilization structure of the reed relay according to the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.

Referring to fig. 1 to 2, a stable structure of a reed relay includes X, Y, Z three linear axes, which at least includes a housing 11 and a bottom cover 19 of a casing 10 that can be fastened to form a hollow and sealed space, and a magnetic reed pipe 30 and a coil 40 formed on the Y axis are disposed in the casing 10.

A coil shaft 20 is further arranged in the shell 10, the coil shaft 20 comprises a cylindrical bobbin 21 formed on the Y axis, the magnetic reed pipe 30 is coaxially arranged in the bobbin in a penetrating way, and the coil 40 is wound on the outer wall of the bobbin 21; the two ends of the coil shaft 20 are respectively formed with an end cap 22 for bending and limiting and fixing the reed end feet 31 at the two ends of the magnetic reed pipe 30 for multiple times, and after the reed end feet 31 are limited and fixed by the end cap 22, the transverse stress deformation angle is not less than 90 degrees.

Referring to fig. 3 to 4, the reed pin 31 is bent into a first segment 311, a second segment 312 and a third segment 313 which are connected in sequence, the first segment 311 is led out from the end of the magnetic reed pipe 30, and the tail end of the third segment 313 is connected with a reed pin 32; the reed terminal pin 32 is formed on a transverse plane on which the X axis is located, the third section 313 is vertically connected with the reed terminal pin 32, an included angle alpha is formed between the second section 312 and the third section 313, and the degree of the included angle alpha is not more than 90 degrees.

Referring to fig. 5 to 6, the end cap 22 includes a baffle 221 fixed on the end of the bobbin 21, and the baffle 221 is formed with a shaft hole 211 penetrating the bobbin 21.

A first limiting structure 222 for limiting and fixing the reed terminal 31 is formed on the outer wall of the baffle 221, the first limiting structure 222 includes a first supporting plate 2221 and a second supporting plate 2222 integrally extending from the outer wall of the baffle along the Y-axis direction, and a limiting block 2223 is formed at the end of the extending end of the first supporting plate 2221 and the second supporting plate 2222.

A first limiting groove 2224 extending in the X-axis direction is formed on an upper surface of the limiting block 2223 in the Z-axis direction; the first section 311 of the reed pin 31 is led out from the shaft hole 211 and extends toward the first position-limiting groove 2224, the second section 312 can be clamped in the first position-limiting groove 2224, and the third section 313 is led out from the outside of the first position-limiting groove 2224 and is bent along the Z-axis direction, and then the reed pin 32 is led out to the outside of the housing 10 along the X-axis direction.

Also included is pin 50 having pin lead 51; a second limiting structure 223 for limiting and fixing the inserting pin 50 is further formed on the outer wall of the baffle 221; the second limiting structure 223 includes a first stopper 2231 and a second stopper 2232 integrally extending from the outer wall of the blocking plate 221 along the Y-axis direction, wherein the cross section of the second stopper 2232 is L-shaped, a second limiting groove 2233 extending in an L-shape is formed between the first stopper 2231 and the second stopper 2232, the pin 50 can be clamped in the second limiting groove 2233, and the pin 51 thereof is bent along the negative direction of the X-axis and led out to the outside of the housing 10.

Referring to fig. 7 to 9, a first positioning block 12 is formed in the housing 11 and at a position corresponding to the first limiting structure 222 of the coil bobbin 20, the first positioning block 12 abuts against the first limiting structure 222 to seal and fix the second section 312 of the reed pin 31 in the first limiting groove 2224 when the housing 11 is fastened to the bottom cover 19, a limiting rib 13 for limiting the displacement of the first limiting structure 222 is formed at a position corresponding to the inner side wall of the housing 11, and a third section 313 for guiding the reed pin 31 and the first pin opening 14 for guiding the reed pin 32 out are formed.

A second positioning block 15 for shielding the second limiting groove 2233 is formed in the housing 11 and at a position corresponding to the second limiting structure 223 of the bobbin 20, when the housing 11 is fastened to the bottom cover 19, the second positioning block 15 abuts against the second limiting structure 223 to seal and fix the pin 50 in the second limiting groove 2233, and a second pin opening 16 for leading out the pin 51 of the pin 50 to the outside is formed in the inner side wall of the housing 11 and at a position corresponding to the second limiting structure 223.

To sum up, the utility model discloses a dry spring relay's stable structure utilizes the coil shaft as the skeleton of whole relay structure to set up the limit structure who is used for fixed reed end foot and contact pin on the coil shaft, utilize limit structure to restrict the reed end foot angle of buckling of magnetic reed pipe, so that its transverse stress deformation angle is not less than 90 degrees, thereby both can guarantee the fixed direction of pin line when adaptation environment, and can guarantee the steadiness, be unlikely to make the pin damage and influence the conductivity at the in-process that the atress was dragged. Therefore, the stable structure of the dry reed relay is more stable and reliable, and the overall reliability and service life of the relay are greatly improved.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. A stable structure of a reed relay is provided with X, Y, Z three linear shafts, and at least comprises a shell (11) and a bottom cover (19) of a shell (10) which can be buckled into a hollow and closed space, wherein a magnetic reed pipe (30) and a coil (40) which are formed on a Y axis are arranged in the shell (10), the stable structure is characterized in that a coil shaft (20) is also arranged in the shell (10), the coil shaft (20) comprises a cylindrical bobbin (21) which is formed on the Y axis, the magnetic reed pipe (30) is coaxially arranged in the bobbin in a penetrating way, and the coil (40) is wound on the outer wall of the bobbin (21); and end covers (22) used for bending and limiting and fixing reed end feet (31) at two ends of the magnetic reed pipe (30) for multiple times are respectively formed at two ends of the coil shaft (20), and after the reed end feet (31) are limited and fixed by the end covers (22), the transverse stress deformation angle is not less than 90 degrees.

2. The stabilization structure of a reed relay according to claim 1, wherein the reed terminal pin (31) is bent into a first section (311), a second section (312) and a third section (313) which are connected in sequence, the first section (311) is led out from the end of the magnetic reed pipe (30), and a reed terminal pin (32) is connected to the tail end of the third section (313); the reed terminal pin (32) is formed on a transverse plane on which an X axis is located, the third section (313) is vertically connected with the reed terminal pin (32), an included angle alpha is formed between the second section (312) and the third section (313), and the degree of the included angle alpha is not more than 90 degrees.

3. The stabilization structure of the reed relay according to claim 2, wherein the end cap (22) comprises a baffle plate (221) fixed to the end of the bobbin (21) in a sealing manner, and a shaft hole (211) penetrating the bobbin (21) is formed in the baffle plate (221); a first limiting structure (222) for limiting and fixing the reed terminal pin (31) is formed on the outer wall of the baffle (221), the first limiting structure (222) comprises a first supporting plate (2221) and a second supporting plate (2222) which integrally extend from the outer wall of the baffle along the Y-axis direction, a limiting block (2223) is formed on the end part of the extending end of the first supporting plate (2221) and the second supporting plate (2222), and a first limiting groove (2224) extending along the X-axis direction is formed on the upper surface of the limiting block (2223) along the Z-axis direction; the first section (311) of the reed terminal pin (31) is led out from the shaft hole (211) and extends towards the first limiting groove (2224), the second section (312) can be clamped in the first limiting groove (2224), and the third section (313) is led out from the outside of the first limiting groove (2224), is bent along the Z-axis direction and then leads out the reed terminal pin (32) to the outside of the shell (10) along the X-axis direction.

4. The stabilization structure of a reed relay according to claim 3, further comprising a pin (50) having a pin (51); a second limiting structure (223) used for limiting and fixing the inserting needle (50) is further formed on the outer wall of the baffle (221); the second limiting structure (223) comprises a first stop block (2231) and a second stop block (2232) which integrally extend from the outer wall of the baffle plate (221) along the Y-axis direction, wherein the section of the second stop block (2232) is L-shaped, a second limiting groove (2233) running in the L-shaped direction is formed between the first stop block (2231) and the second stop block (2232), the pin (50) can be clamped in the second limiting groove (2233), and the pin (51) is bent along the negative direction of the X-axis and led out of the shell (10).

5. The stabilization structure of reed relay according to claim 4, wherein a first positioning block (12) is formed inside the case (11) at a position corresponding to the first position-limiting structure (222) of the coil shaft (20) in a concavo-convex manner, when the shell (11) is buckled with the bottom cover (19), the first locating block (12) is abutted against the first limiting structure (222) to seal the second section (312) of the reed terminal pin (31) in the first limiting groove (2224) and fix the second section, and a limiting rib (13) for limiting the displacement of the shell (11) is formed at the position, corresponding to the first limiting structure (222), of the inner side wall of the shell (11), and a third section (313) for the reed terminal pin (31) and a first pin opening (14) for leading out the reed terminal pin (32) to the outside are further formed.

6. The reed relay stabilizing structure according to claim 5, wherein a second positioning block (15) for shielding the second limiting groove (2233) is formed inside the housing (11) at a position corresponding to the second limiting structure (223) of the coil shaft (20), when the housing (11) is fastened to the bottom cover (19), the second positioning block (15) abuts against the second limiting structure (223) to enclose and fix the pin (50) in the second limiting groove (2233), and a second pin opening (16) for leading out a pin (51) of the pin (50) to the outside is formed inside an inner side wall of the housing (11) at a position corresponding to the second limiting structure (223).