Omnibearing anti-falling relay

Abstract

An all-dimensional anti-falling relay comprises a shell and a machine core, the machine core is arranged in the shell and provided with a yoke and an armature arranged in the first direction of the shell, and one end, in the second direction of the shell, of the yoke is provided with a knife edge; the first end, in the first direction, of the armature is in lap joint with the knife edge of the yoke, the first end of the armature is provided with a first limiting part extending in the second direction, and the first limiting part is located outside the side edge, in the first direction, of the knife edge; the inner side wall, close to the first end of the armature, of the shell is further provided with a second limiting part protruding in the third direction, the second limiting part is located outside the first end of the armature, and the second limiting part and the first limiting part limit the movement amplitude of the armature in the first direction. The second limiting part and the knife edge limit the movement amplitude of the first end of the armature in the second direction, and the first direction, the second direction and the third direction are perpendicular to one another. According to the utility model, the movable spring can be prevented from entering a plastic deformation stage due to overlarge movement radian, and all-directional falling resistance is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of relay, especially in all directions anti -drop relay. BACKGROUND

[0002] Relay belongs to precision components, usually not allowed to drop and be subjected to external force impact and vibration. But with the popularity of network shopping, the relay and its application field product exist with express form delivery, lead to the market to occur more and more relay function failure cases caused by external force impact.

[0003] When the relay is subjected to parabolic or accidental drop and other external force impact during logistics sorting, the armature will be displaced, and the moving spring connected with the armature will swing with the movement of the armature. When the movement amplitude of the moving spring enters the plastic deformation stage, the moving spring will not be restored to the initial position, resulting in product structure anomaly and abnormal relay action. Therefore, it is necessary to improve the anti-drop performance of the strong relay. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to overcome the defects of insufficient anti-drop performance of the relay product in the prior art, leading to product anomaly, and provide an all-direction anti-drop relay, which can avoid the moving spring entering the plastic deformation stage due to excessive movement amplitude, and realize all-direction anti-drop.

[0005] The utility model adopts the following technical scheme:

[0006] An all-direction anti-drop relay, comprising a shell and a movement, the movement is arranged in the shell and is provided with a yoke and an armature arranged along a first direction of the shell, and a knife edge is arranged at one end of the yoke along a second direction of the shell; the first end of the armature along the first direction is lapped on the knife edge of the yoke, characterized in that: the first end of the armature is provided with a first limiting part extending along the second direction, and the first limiting part is located outside the side of the knife edge in the first direction; a second limiting part protruding along a third direction is further arranged on the inner side wall of the shell close to the first end of the armature, the second limiting part is located outside the first end of the armature and limits the movement amplitude of the armature in the first direction together with the first limiting part, and the second limiting part also limits the movement amplitude of the first end of the armature in the second direction together with the knife edge, and the first direction, the second direction and the third direction are perpendicular to each other.

[0007] Further, the first end of the armature is provided with the first limiting part; or the first end of the armature is provided with at least two first limiting parts, and the at least two first limiting parts are spaced apart along the third direction.

[0008] Further, the first limiting part and the end of the yoke where the cutting edge is located have a gap in the first direction; the second limiting part and the first end of the armature have a gap in the first direction.

[0009] Further, the first end of the armature opposite to the second limiting part is provided with a groove, and the groove is located on the side of the first limiting part close to the second limiting part.

[0010] Further, the second limiting part and the cutting edge have a spacing in the second direction, and the first end of the armature is located at the spacing.

[0011] Further, the second limiting part is arranged on each of the two inner side walls of the shell, and the two second limiting parts are located on the two sides of the first end of the armature in the third direction.

[0012] Further, the second limiting part of one of the inner side walls of the shell is divided into a first limiting section and a second limiting section, the first limiting section limits the moving range of the first end of the armature in the second direction relative to the cutting edge, and the second limiting section is connected perpendicularly to the first limiting section and limits the moving range of the first end of the armature in the first direction relative to the first limiting part.

[0013] Further, the second limiting part of the other inner side wall of the shell is divided into a first limiting section and a second limiting section, the first limiting section extends in the second direction and is close to the first end of the armature and limits the moving range of the first end of the armature in the second direction relative to the cutting edge, and the second limiting section is connected perpendicularly to the first limiting section and limits the moving range of the first end of the armature in the first direction relative to the first limiting part.

[0014] Further, the movement core further comprises a core, a coil and a coil holder, the coil holder and the core are arranged along the second direction, the coil is arranged on the coil holder, the core is arranged in the coil holder, one end of the core along the second direction is connected to one end of the yoke along the second direction, and the other end of the core along the second direction is opposite to the armature.

[0015] Further, the shell comprises a main body and a bottom plate, the bottom plate is connected to one side of the main body along the third direction and forms a containing space with the main body, and the movement core is arranged in the containing space; the inner wall of the main body close to the first end of the armature is provided with the second limiting part, and the bottom plate close to the first end of the armature is also provided with the second limiting part.

[0016] From the above description of the utility model, compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a first limiting part is equipped with in the first end of armature, still be provided with second limiting part on the inner side wall of the shell near the first end of armature, through the second limiting part is located with the first limiting part to the movement amplitude of armature in the first direction is positioned, through the second limiting part and the blade mouth to the movement amplitude of the first end of armature in the second direction is positioned, avoid because of the external force impact and lead to armature movement amplitude too big, cause the movement amplitude of moving spring assembly too big and enter material plastic deformation area, ensure the stability and reliable of product structure, realize all -round resistance drop.

[0018] The utility model discloses a first limiting part is equipped with in the first end of armature, still be provided with second limiting part on the inner side wall of the shell near the first end of armature, through the second limiting part is located with the first limiting part to the movement amplitude of armature in the first direction is positioned, through the second limiting part and the blade mouth to the movement amplitude of the first end of armature in the second direction is positioned, avoid because of the external force impact and lead to armature movement amplitude too big, cause the movement amplitude of moving spring assembly too big and enter material plastic deformation area, ensure the stability and reliable of product structure, realize all -round resistance drop.

[0019] The utility model discloses a first limiting part is equipped with in the first end of armature, still be provided with second limiting part on the inner side wall of the shell near the first end of armature, through the second limiting part is located with the first limiting part to the movement amplitude of armature in the first direction is positioned, through the second limiting part and the blade mouth to the movement amplitude of the first end of armature in the second direction is positioned, avoid because of the external force impact and lead to armature movement amplitude too big, cause the movement amplitude of moving spring assembly too big and enter material plastic deformation area, ensure the stability and reliable of product structure, realize all -round resistance drop. ACCREDITATION

[0020] Figure 1 It is the whole view of relay of the utility model;

[0021] Figure 2 It is the B-B section view in Figure 1 ;

[0022] Figure 3 It is the C-C section view in Figure 1 ;

[0023] Figure 4 It is the front view of relay of the utility model;

[0024] Figure 5 It is the A-A section view of Figure 4 ;

[0025] Figure 6 It is the front view of main part;

[0026] Figure 7 It is the front view of bottom plate;

[0027] Figure 8 It is the plan view of armature;

[0028] Figure 9 It is the perspective view of main part;

[0029] Figure 10 is a perspective view of the bottom plate;

[0030] Figure 11 is a perspective view of the armature;

[0031] Figure 12 is a structural diagram of the movement;

[0032] Figure 13 is a side view of Figure 12 ;

[0033] Figure 14 is a top view of Figure 12 ;

[0034] wherein:

[0035] 10, the shell, 11, the main body, 12, the bottom plate, 13, the second limiting part, 14, the first limiting section, 15, the second limiting section, 16, the third limiting part, 20, the movement, 21, the electromagnetic assembly, 21a, the coil, 21b, the coil holder, 21c, the core, 22, the moving spring assembly, 23, the static spring assembly, 24, the yoke, 24a, the knife edge, 25, the armature, 25a, the first end, 25b, the second end, 25c, the first limiting part, 25d, the groove.

[0036] The utility model will be described further in connection with the drawings and specific embodiments. DETAILED DESCRIPTION

[0037] The utility model will be described further in connection with the drawings and specific embodiments.

[0038] Referring to Figures 1 to 14 , a kind of all-around anti-falling relay, including shell 10 and movement 20, shell 10 is provided with accommodating cavity, predefine in three-dimensional space, shell 10 has first direction, second direction and third direction, first direction, second direction and third direction are perpendicular to each other. Movement 20 is located in the accommodating cavity of shell 10, and it is the main functional components of relay. Movement 20 includes electromagnetic assembly 21, moving spring assembly 22 and static spring assembly 23 etc. Yoke 24 and armature 25 are provided in electromagnetic assembly 21, moving spring assembly 22 is connected yoke 24 and armature 25 in sequence and extends to opposite with static spring assembly 23, by the power on or power off of electromagnetic assembly 21 to adsorb or release armature 25, armature 25 swing drives moving spring assembly 22 action to make moving contact and static contact of static spring assembly 23 contact or separate.

[0039] The main body 11 of the yoke 24 is arranged along the second direction and has a cutting edge 24a at one end thereof along the second direction, the cutting edge 24a facing the armature 25. The armature 25 is arranged along the first direction of the housing 10, and a first end 25a of the armature 25 along the first direction overlaps the cutting edge 24a of the yoke 24. A second end 25b of the armature 25 along the first direction can swing around the cutting edge 24a to drive the moving spring assembly 22 to act, the first end 25a being an end of the armature 25 opposite to the cutting edge 24a, and the second end 25b being an end of the armature 25 away from the cutting edge 24a. The first end 25a of the armature 25 is provided with a first limiting portion 25c extending along the second direction, the first limiting portion 25c being located outside a side of the cutting edge 24a along the first direction, and the first limiting portion 25c being located at a side of the yoke 24 opposite to the second end 25b of the armature 25. An inner side wall of the housing 10 close to the first end 25a of the armature 25 is further provided with a second limiting portion 13 protruding along a third direction, the second limiting portion 13 being located outside the first end 25a of the armature 25 and limiting the movement range of the first end 25a of the armature 25 along the first direction together with the first limiting portion 25c, and the second limiting portion 13 further limiting the movement range of the first end 25a of the armature 25 along the second direction together with the cutting edge 24a. That is, the movement range of the first end 25a of the armature 25 along the first direction is limited between the first limiting portion 25c and the second limiting portion 13, and the movement range of the first end 25a of the armature 25 along the second direction is limited between the second limiting portion 13 and the cutting edge 24a.

[0040] The first end 25a of the armature 25 is provided with a first limiting portion 25c, which can be located at a middle portion of the first end 25a of the armature 25 or other suitable positions. Alternatively, the first end 25a of the armature 25 is provided with at least two first limiting portions 25c, the at least two first limiting portions 25c being spaced apart along the third direction, and the specific number of the first limiting portions 25c can be set according to actual conditions, and two first limiting portions 25c are taken as an example in the figure.

[0041] The first limiting portion 25c and the end of the cutting edge 24a have a gap in the first direction, the gap providing a space for the movement of the first end 25a of the armature 25 to avoid affecting the normal swing of the armature 25, and the size of the gap can change with the movement of the first end 25a of the armature 25. Similarly, to avoid affecting the normal swing of the armature 25, the second limiting portion 13 and the first end 25a of the armature 25 have a gap in the first direction, and the size of the gap can also change with the movement of the first end 25a of the armature 25. The first end 25a of the armature 25 opposite to the second limiting portion 13 is provided with a groove 25d, the groove 25d being located at a side of the first limiting portion 25c close to the second limiting portion 13, and the groove 25d also providing a space for the movement of the first end 25a of the armature 25.

[0042] Further, the second limiting part 13 and the knife edge 24a have a spacing in the second direction, and the first end 25a of the armature 25 is located at the spacing, that is, the first end 25a is provided with a moving space through the spacing. The position of the second limiting part 13 is related to the position of the first end 25a of the armature 25, which can be located on the inner wall in the third direction of the shell 10, or on the inner wall in the first direction of the shell 10, etc.

[0043] In the embodiment, the second limiting part 13 is arranged on each of the two inner walls in the third direction of the shell 10, and the two second limiting parts 13 are respectively located on the two sides of the first end 25a of the armature 25 in the third direction, thereby limiting the two sides of the armature 25. The two second limiting parts 13 can be the same or different in structure, and in actual application, the number of the second limiting parts 13 can be three or even more, which can be set according to actual conditions.

[0044] Referring to Figure 2 The second limiting part 13 of one of the inner walls in the third direction of the shell 10 is an integral structure, which is divided into a first limiting section 14 and a second limiting section 15. The first limiting section 14 is opposite to the knife edge 24a and limits the moving range of the first end 25a of the armature 25 in the second direction. The second limiting section 15 is connected to the first limiting section 14 perpendicularly and limits the moving range of the first end 25a of the armature 25 in the first direction. In the figure, the first limiting section 14 and the second limiting section 15 form an L-shaped structure.

[0045] Referring to Figure 3 The second limiting part 13 of the other inner wall in the third direction of the shell 10 is arranged in a split structure, which is divided into a first limiting section 14 and a second limiting section 15. The first limiting section 14 extends along the second direction and is close to the first end 25a of the armature 25. The first limiting section 14 is opposite to the knife edge 24a and has a spacing, and the first limiting section 14 limits the moving range of the first end 25a of the armature 25 in the second direction. The second limiting section 15 is perpendicular to the first limiting section 14, and the second limiting section 15 is located outside the first end 25a and limits the moving range of the first end 25a of the armature 25 in the first direction.

[0046] The electromagnetic assembly 21 of the utility model further includes a coil 21a, a coil holder 21b and a core 21c; the coil holder 21b and the core 21c are arranged along the second direction, the coil holder 21b is fixed relative to the shell 10 and the outer periphery of the coil holder 21b is provided with the coil 21a, and the core 21c is arranged in the coil holder 21b. One end of the core 21c along the second direction is connected to one end of the yoke 24 along the second direction, and the other end of the core 21c along the second direction is opposite to the armature 25.

[0047] The shell 10 comprises a main body 11 and a bottom plate 12, the main body 11 is provided with an opening at one side in the third direction, and the bottom plate 12 is installed at the opening to form a containing space with the main body 11. The inner wall of the main body 11 close to the first end 25a of the armature 25 is provided with a second limiting part 13. In the figure, the second limiting part 13 is arranged at the position close to the first end 25a of the armature 25 on the inner wall in the third direction of the main body 11, and the second limiting part 13 is also arranged at the position close to the first end 25a of the armature 25 on the bottom plate 12. The second limiting parts 13 on the main body 11 and the bottom plate 12 can be different, for example, the second limiting part 13 on the main body 11 is arranged in the split structure as described above, and the second limiting part 13 on the bottom plate 12 is arranged in the one-piece structure as described above. The second limiting parts 13 on the main body 11 and the bottom plate 12 can also be arranged in the same structure.

[0048] Further, the inner wall of the main body 11 close to the second end 25b of the armature 25 can also be provided with a third limiting part 16, the third limiting part 16 extends along the second direction and has a spacing with the other end of the iron core 21c in the second direction, and the corresponding end of the third limiting part 16 and the iron core 21c can limit the swing range of the second end 25b of the armature 25 in the second direction. The third limiting part 16 can be located on the inner wall in the third direction of the main body 11 or the inner wall close to the armature 25 in the second direction of the main body 11, and in the figure, the third limiting part 16 is one and extends along the third direction to better limit the armature 25.

[0049] The relay of the utility model, the first limiting part 25c is arranged at the first end 25a of the armature 25, and the second limiting part 13 is arranged on the inner wall of the shell 10. When the relay is impacted by external force such as logistics throwing or falling, the first end 25a of the armature 25 is limited between the first limiting part 25c and the second limiting part 13 in the first direction of the shell 10. The first end 25a of the armature 25 is limited between the second limiting part 13 and the blade edge 24a in the second direction of the shell 10. Again, the inner wall in the third direction of the shell 10 has limited the moving range of the armature 25 in the third direction, thereby limiting the moving range of the armature 25 in three directions, avoiding the moving range of the moving spring sheet of the moving spring assembly 22 from being too large to enter the plastic deformation stage, ensuring the reliability and stability of the structure of the relay product, and comprehensively improving the anti-falling performance.

[0050] In the utility model, for the terms "first", "second", "third" and the like are only used to distinguish similar objects, and do not have to be used to describe specific order or sequence, and also cannot be understood as indicating or suggesting relative importance. In the description, the orientation or position relationship indicated by "upper", "lower", "left", "right", "front" and "back" and the like is the orientation or position relationship shown based on the drawing, and is only for the convenience of describing the utility model, and does not indicate or suggest that the device indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the protection scope of the utility model. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] In addition, in the description of the present application, "a plurality of" means two or more, unless otherwise specified. "And / or" describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that there are three cases of A alone, A and B together, and B alone. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0052] The above is only a specific embodiment of the utility model, but the design concept of the utility model is not limited thereto, and any non-substantial change to the utility model using this concept shall be deemed to infringe the protection scope of the utility model.

Claims

1. An all-around drop-resistant relay, comprising a housing and a mechanism, wherein the mechanism is disposed within the housing and has a yoke and an armature arranged along a first direction of the housing, and one end of the yoke along a second direction of the housing has a knife edge; the first end of the armature along the first direction overlaps the knife edge of the yoke, characterized in that: The first end of the armature is provided with a first limiting part extending along the second direction, and the first limiting part is located outside the side of the first direction of the cutting edge; the inner side wall of the shell near the first end of the armature is further provided with a second limiting part protruding along the third direction, and the second limiting part is located outside the first end of the armature and limits the movement range of the first end of the armature in the first direction with the first limiting part, and the second limiting part also limits the movement range of the first end of the armature in the second direction with the cutting edge, and the first direction, the second direction and the third direction are perpendicular to each other.

2. A full-range anti-fall relay according to claim 1, characterized in that: The first end of the armature is provided with a first limiting part; or the first end of the armature is provided with at least two first limiting parts, and the at least two first limiting parts are spaced apart along the third direction.

3. The all-around anti-drop relay as described in claim 1, characterized in that, The first limiting part and the end of the yoke where the cutting edge is located have a gap in the first direction; the second limiting part and the first end of the armature have a gap in the first direction.

4. The omnidirectional anti-drop relay as described in claim 1, characterized in that, The first end of the armature opposite to the second limiting part is provided with a groove, and the groove is located on the side of the first limiting part close to the second limiting part.

5. The all-around anti-drop relay as described in claim 1, characterized in that, The second limiting part and the cutting edge have a spacing in the second direction, and the first end of the armature is located at the spacing.

6. A full-range drop-out relay as claimed in claim 1, wherein, The two inner side walls of the shell are respectively provided with the second limiting part, and the two second limiting parts are respectively located on the two sides of the first end of the armature in the third direction.

7. The all-around anti-drop relay as described in claim 1, characterized in that, The second limiting part of one of the inner side walls of the shell is divided into a first limiting section and a second limiting section, the first limiting section limits the movement range of the first end of the armature in the second direction with the cutting edge, and the second limiting section is connected perpendicularly with the first limiting section and limits the movement range of the first end of the armature in the first direction with the first limiting part.

8. A full-range drop-out relay as claimed in claim 1, wherein, The second limiting part of the other inner side wall of the shell is divided into a first limiting section and a second limiting section, the first limiting section extends along the second direction, is close to the first end of the armature and limits the movement range of the first end of the armature in the second direction with the cutting edge, and the second limiting section is perpendicular to the first limiting section and limits the movement range of the first end of the armature in the first direction with the first limiting part.

9. A full-range drop-out relay as claimed in claim 1, wherein, The movement core further comprises a core, a coil and a coil holder, the coil holder and the core are arranged along the second direction, the coil is arranged on the coil holder, the core is arranged in the coil holder, one end of the core along the second direction is connected with one end of the yoke along the second direction, and the other end of the core along the second direction is opposite to the armature.

10. A full-range drop-out relay as claimed in claim 1, characterized in that The shell comprises a main body and a bottom plate, the bottom plate is connected to one side of the main body along the third direction and forms a containing space with the main body, and the movement core is installed in the containing space; the inner wall of the main body near the first end of the armature is provided with the second limiting part, and the bottom plate near the first end of the armature is also provided with the second limiting part.

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