Elastic piece and circuit breaker

Abstract

The utility model provides an elastic piece and a circuit breaker, and relates to the technical field of electrical equipment. The elastic piece comprises a connecting part, a first fixing part, a second fixing part and a function part. The connecting part is of a bent arc-shaped structure, the first fixing part, the connecting part and the second fixing part are sequentially connected and jointly form a V-shaped structure, the functional part is connected with the connecting part, and the functional part extends along an outer arc-shaped surface far away from the connecting part. The elastic piece provided by the utility model is simple in structure, reasonable in shape design, small in size and small in occupied space; the elastic force applied to the external jump pin through the functional part is appropriate, so that the movement stroke between parts is reduced, and the abrasion is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, specifically, it relates to a spring piece and circuit breaker. BACKGROUND

[0002] In order to guarantee the safety of electricity, electrical equipment is usually provided with a circuit breaking mechanism to disconnect the circuit in time when the electrical circuit fails, and in this process, the jump buckle in the existing mechanism is reset by spring, its structure is complex, and the structure design is unreasonable, not only occupies more space, but also increases the wear between parts. UTILITY MODEL CONTENTS

[0003] The utility model discloses a spring piece and circuit breaker, which has simple structure, reasonable shape design, small size and small space occupation; the function part properly applies the elastic force to the external jump buckle, thereby reducing the movement stroke of parts and wear.

[0004] The embodiment of the utility model is realized as follows:

[0005] In a first aspect, the utility model provides a spring piece, which comprises a connecting part, a first fixed part, a second fixed part and a function part.

[0006] The connecting part is in a curved arc structure, the first fixed part, the connecting part and the second fixed part are sequentially connected and jointly form a V-shaped structure, the function part is connected with the connecting part, and the function part extends along the outer arc surface away from the connecting part.

[0007] In an optional embodiment, the spring piece further comprises an anti-dropping part, the anti-dropping part is connected with the first fixed part, and the anti-dropping part extends along one side of the first fixed part away from the second fixed part.

[0008] In an optional embodiment, the anti-dropping part is integrally formed with the first fixed part, and the anti-dropping part is bent from the plane area where the first fixed part is located.

[0009] In an optional embodiment, the end of the first fixed part is provided with two spaced first fixed segments, and the anti-dropping part is located in the middle area between the two first fixed segments.

[0010] In an optional embodiment, the spring piece is used to be installed into a spring piece groove, and the anti-dropping part is used to be installed into an anti-dropping groove, so as to prevent the spring piece from falling off by embedding the anti-dropping part into the anti-dropping groove.

[0011] In an optional embodiment, the function part is integrally formed with the connecting part, and the function part is bent from the plane area where the second fixed part is located.

[0012] In an optional embodiment, the second fixing part comprises two second fixing segments arranged at intervals, and the functional part is arranged at a middle region of the two second fixing segments.

[0013] In an optional embodiment, the elastic member is arranged in the mounting groove, and the first fixing part and the second fixing part are arranged in abutment with two side walls of the mounting groove and in a compressed state.

[0014] In an optional embodiment, the functional part is arranged between the first fixing part and the second fixing part, and the length of the functional part is greater than the length of the first fixing part and the length of the second fixing part, the functional part is arranged in abutment with the jump buckle and arranged for applying pressure to the jump buckle.

[0015] In a second aspect, the utility model provides a circuit breaker, including mounting seat, jump buckle and the elastic member of any preceding embodiment of preceding embodiment,

[0016] The opposite side walls of the mounting seat are respectively provided with a jump buckle groove and an elastic member groove, at least part of the jump buckle is embedded in the jump buckle groove, and at least another part is located on one side of the elastic member groove.

[0017] The first fixing part and the second fixing part are respectively in abutement with two side walls of the elastic member groove, so that the elastic member is in a compressed state, and the functional part is in abutement with the jump buckle to limit the movement of the jump buckle in a direction away from the jump buckle groove.

[0018] The elastic member and the circuit breaker provided by the utility model embodiment have the following beneficial effects: the elastic member is arranged in the elastic member groove of the mounting seat, the first fixing part, the connecting part and the second fixing part have a V-shaped structure, which not only makes the elastic member occupy a smaller space, but also has a certain elastic deformation capacity; the outer arc surface of the connecting part is arranged in abutement with the bottom wall of the elastic member groove of the mounting seat, and the first fixing part and the second fixing part are respectively arranged in abutement with two side walls of the elastic member groove of the mounting seat, so as to play a fixing role; the functional part is arranged in a direction away from the outer arc surface of the connecting part, and the functional part is arranged in abutement with the jump buckle, so as to apply an elastic force to the jump buckle through the functional part, so that the jump buckle is in abutement with the moving contact. It can be seen that the elastic member provided by the utility model has simple structure, reasonable shape design, small size and small occupied space; the elastic force applied to the external jump buckle by the functional part is appropriate, so that the movement stroke of the parts is reduced, and the abrasion is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0020] Figure 1 The circuit breaker structure schematic diagram provided by the embodiments of the present application;

[0021] Figure 2 The circuit breaker partial structure schematic diagram provided by the embodiments of the present application;

[0022] Figure 3 The circuit breaker in the closing state structure schematic diagram provided by the embodiments of the present application;

[0023] Figure 4 The circuit breaker in the opening state structure schematic diagram provided by the embodiments of the present application;

[0024] Figure 5 The circuit breaker in the tripping state first perspective structure schematic diagram provided by the embodiments of the present application;

[0025] Figure 6 The circuit breaker in the tripping state second perspective structure schematic diagram provided by the embodiments of the present application;

[0026] Figure 7 The circuit breaker in the over-travel state structure schematic diagram provided by the embodiments of the present application;

[0027] Figure 8 The circuit breaker in the over-travel end state structure schematic diagram provided by the embodiments of the present application;

[0028] Figure 9 The mounting assembly first perspective structure schematic diagram provided by the embodiments of the present application;

[0029] Figure 10 The mounting assembly second perspective structure schematic diagram provided by the embodiments of the present application;

[0030] Figure 11 The mounting assembly sectional view provided by the embodiments of the present application;

[0031] Figure 12 The mounting seat first perspective structure schematic diagram provided by the embodiments of the present application;

[0032] Figure 13 The mounting seat second perspective structure schematic diagram provided by the embodiments of the present application;

[0033] Figure 14 The jump buckle structure schematic view provided by the utility model embodiment;

[0034] Figure 15 The elastic piece first visual angle structure schematic view provided by the utility model embodiment;

[0035] Figure 16 The elastic piece second visual angle structure schematic view provided by the utility model embodiment.

[0036] Icon: 10 - circuit breaker; 100 - installation shell; 110 - main shaft; 120 - third cooperation part; 130 - limiting shaft; 200 - installation assembly; 210 - mounting seat; 211 - fourth cooperation part; 212 - first cooperation part; 213 - jump buckle groove; 214 - elastic piece groove; 215 - anti-off groove; 216 - avoidance groove; 217 - second rotating part; 218 - avoidance channel; 220 - jump buckle; 221 - second bearing part; 222 - abutting part; 2221 - first abutting surface; 2222 - second abutting surface; 223 - first rotating part; 230 - elastic piece; 231 - connecting part; 232 - first fixed part; 2321 - first fixed section; 233 - second fixed part; 2331 - second fixed section; 234 - function part; 235 - anti-off part; 300 - contact assembly; 310 - movable contact; 311 - first bearing part; 312 - accommodation hole; 3121 - first end; 3122 - second end; 320 - static contact; 330 - movable contact reset piece; 400 - driving assembly; 410 - handle; 420 - connecting rod; 500 - tripping mechanism; 510 - lock catch; 511 - second cooperation part; 520 - driving piece; 530 - lock catch reset piece. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the utility model embodiments described and shown in the drawings here can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0039] It should be noted that like numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it should not require further defining and explaining in subsequent views.

[0040] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0041] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0042] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] Please refer to Figures 1 to 15 The utility model embodiment provides a circuit breaker 10 applied to electrical equipment technical field. The circuit breaker 10 provided by the embodiment has relatively simple structure, small moment of inertia, and can realize rapid tripping, so that the moving contact 310 and the static contact 320 are timely opened, and the safety performance is improved.

[0044] In detail, the circuit breaker 10 comprises a mounting shell 100, a mounting assembly 200, a contact assembly 300, a driving assembly 400 and a tripping mechanism 500.

[0045] The mounting assembly 200 comprises a mounting seat 210, a jump buckle 220 and an elastic piece 230, the contact assembly 300 comprises a moving contact 310, a static contact 320 and a moving contact reset piece 330, the driving assembly 400 comprises a handle 410 and a connecting rod 420, and the tripping mechanism 500 comprises a lock buckle 510 and a driving piece 520.

[0046] Mounting base 210, moving contact 310, stationary contact 320, moving contact reset member 330, and jumper 220 are all installed inside mounting housing 100. Mounting base 210 and moving contact 310 are rotatably mounted in mounting housing 100; stationary contact 320 is mounted in mounting housing 100; moving contact reset member 330 is mounted in mounting housing 100 and connected to moving contact 310, and moving contact reset member 330 is used to make moving contact 310 tend to move away from stationary contact 320; jumper 220 is movably mounted in mounting base 210.

[0047] The trip latch 220 abuts against the moving contact 310 so that the mounting base 210 can rotate the trip latch 220 under the drive of the handle 410, thereby causing the moving contact 310 to close or open with the stationary contact 320; or, the trip latch 220 is used to disengage from the moving contact 310 so that when the moving contact 310 and the stationary contact 320 are closed, the moving contact 310 is disengaged from the mounting base 210 and separated from the stationary contact 320 under the drive of the moving contact reset member 330.

[0048] In this embodiment, the moving contact 310 is rotatably disposed on the mounting housing 100. Therefore, the moving contact 310 can rotate to contact the stationary contact 320, that is, the moving contact 310 and the stationary contact 320 are in a closed state (e.g., Figure 3 (As shown); Of course, the moving contact 310 can also rotate and separate from the stationary contact 320, that is, the moving contact 310 and the stationary contact 320 are in the open state (as shown). Figure 4 (As shown).

[0049] When the circuit breaker 10 is in normal operation, the trip latch 220 is set on the mounting base 210 and abuts against the moving contact 310, so that the mounting base 210 can drive the trip latch 220 to rotate under the drive of the handle 410, and finally the trip latch 220 drives the moving contact 310 to rotate, so as to realize the closing or opening of the moving contact 310 and the stationary contact 320.

[0050] When the moving contact 310 and the stationary contact 320 are closed, and the operating mechanism or circuit is in a faulty state, since the trip latch 220 is movably mounted on the mounting base 210, it can rotate relative to the mounting base 210 to disengage from the moving contact 310, so that the moving contact 310 is no longer restricted by the trip latch 220 and the mounting base 210. At this time, the moving contact 310 can be reset to the open state with the stationary contact 320 under the action of the moving contact reset member 330.

[0051] Therefore, through the above design, after the moving contact 310 is released from the restriction of the trip latch 220, only the moving contact 310 is rotated under the driving of the moving contact reset member 330 and separated from the stationary contact 320, the rotational inertia is small and the tripping speed is fast, so as to realize the fast opening of the moving contact 310 and the stationary contact 320 and improve the safety performance of the circuit breaker 10.

[0052] Further, as shown in Figure 2 the side wall of the moving contact 310 is concave with a first abutting part 311, and the end of the trip latch 220 is convex with a second abutting part 221, and the second abutting part 221 is clamped and matched with the first abutting part 311.

[0053] In the embodiment, through the clamped and matched of the first abutting part 311 and the second abutting part 221, the trip latch 220 can stably abut with the moving contact 310.

[0054] Further, the mounting shell 100 is provided with a main shaft 110, and the mounting seat 210 and the moving contact 310 are rotatably arranged on the main shaft 110, and the handle 410, the connecting rod 420 and the mounting seat 210 are sequentially connected and jointly form a transmission four-link mechanism, that is, the four-link mechanism 420 structure shown by the dotted line, and the transmission four-link mechanism is not damaged when the circuit breaker 10 is tripped and opened. Figure 3 and Figure 4 Further, the mounting shell 100 is provided with a main shaft 110, and the mounting seat 210 and the moving contact 310 are rotatably arranged on the main shaft 110, and the handle 410, the connecting rod 420 and the mounting seat 210 are sequentially connected and jointly form a transmission four-link mechanism, that is, the four-link mechanism 420 structure shown by the dotted line, and the transmission four-link mechanism is not damaged when the circuit breaker 10 is tripped and opened.

[0055] Since the four-link mechanism 420 structure in the existing circuit breaker is composed of the handle, the connecting rod 420, the mounting seat 210 and the trip latch 220, the stability of the four-link mechanism 420 structure will be affected when the trip latch 220 is tripped, therefore, in the embodiment, one end of the trip latch 220 is movably arranged on the mounting seat 210, and the other end is used for abutting or separating with the moving contact 310, so that after the trip latch 220 is separated from the moving contact 310 due to failure, the trip latch 220 rotates with the mounting seat 210 and does not damage the four-link mechanism 420 structure formed by the handle 410, the connecting rod 420 and the mounting seat 210, thereby ensuring the fast tripping of the trip latch 220 and effectively protecting the structural stability of the transmission four-link mechanism formed by the handle 410, the connecting rod 420 and the mounting seat 210.

[0056] In detail, the movement direction of the trip latch 220 is arranged at an angle with the rotation plane of the moving contact 310.

[0057] In the embodiment, the trip latch 220 moves along the rotation plane of the moving contact 310, so that the movement path of the trip latch 220 does not interfere with the movement path of the transmission four-link mechanism formed by the handle 410, the connecting rod 420 and the mounting seat 210, thereby realizing that the trip latch 220 does not damage the four-link mechanism 420 structure formed by the handle 410, the connecting rod 420 and the mounting seat 210 after tripping.

[0058] In detail, the mounting shell 100 is provided with a third matching part 120, the mounting seat 210 is provided with a fourth matching part 211, the movable contact reset member 330 is a torsion spring structure, and one end thereof is in abutment with the third matching part 120, and the other end thereof is in abutment with the fourth matching part 211.

[0059] In the embodiment, the movable contact reset member 330 is arranged on the main shaft 110, and one end thereof is in abutment with the third matching part 120, and the other end thereof is in abutment with the fourth matching part 211, and the movable contact reset member 330 is in a compressed state in this state, so that the movable contact 310 can rotate in a direction away from the static contact 320 under the elastic restoring force of the movable contact reset member 330 after the abutment limiting action of the jump buckle 220 is removed, that is, the movable contact 310 is restored to the open state.

[0060] Further, the mounting shell 100 is further provided with a limiting shaft 130, which is used to be in abutment with the movable contact 310 under the action of the movable contact reset member 330.

[0061] In the embodiment, since the movable contact 310 and the static contact 320 are separated by a certain distance to achieve the open state, after the movable contact reset member 330 drives the movable contact 310 to rotate away from the static contact 320, the movement of the movable contact 310 is limited by the limiting shaft 130, thereby achieving the open limiting.

[0062] Further, the driving member 520 is arranged on the mounting shell 100, and the lock buckle 510 is rotatably arranged on the main shaft 110, and the lock buckle 510 is in abutment with the jump buckle 220, and is used to limit the jump buckle 220, so that the jump buckle 220 and the movable contact 310 are kept in the abutment state; or the lock buckle 510 is used to rotate in a first direction (clockwise direction in the figure) under the driving of the driving member 520, so that the lock buckle 510 is separated from the jump buckle 220.

[0063] In the embodiment, under the normal operation of the operating mechanism, the lock buckle 510 is in abutment with the jump buckle 220, so that the jump buckle 220 and the movable contact 310 are in abutment, so as to drive the jump buckle 220 to rotate under the rotation of the mounting seat 210, and drive the movable contact 310 to rotate through the jump buckle 220, so as to realize the normal closing or opening of the movable contact 310 and the static contact 320.

[0064] When a fault occurs, the tripping mechanism 500 is activated, i.e. the ejector pin at the output end of the driving member 520 extends to abut against the arc surface structure of the lock catch 510, so that the lock catch 510 is rotated in the first direction around the main shaft 110 under the abutting action of the driving member 520, so as to make the lock catch disengage from the jumper 220. After the jumper 220 is disengaged from the abutting restriction of the lock catch 510, the moving contact reset member 330 drives the moving contact 310 to rotate in the first direction, and makes the moving contact 310 push the jumper 220 to rotate relative to the rotation plane of the jumper 220 until the jumper 220 is disengaged from the moving contact 310, so as to finally make the moving contact 310 be driven by the moving contact reset member 330 to be tripped from the stationary contact 320 and abut against the limiting shaft 130.

[0065] Further, the tripping mechanism 500 further comprises a lock catch reset member 530, which is arranged on the mounting seat 210 and connected with the lock catch 510. The lock catch reset member 530 is used to make the lock catch 510 have a tendency to rotate in the second direction (counterclockwise direction as shown in the figure), so as to make the lock catch 510 abut against the jumper 220.

[0066] In the embodiment, the first direction and the second direction are opposite directions, i.e. the first direction is the clockwise direction as shown in the figure, and the second direction is the counterclockwise direction as shown in the figure.

[0067] It should be noted that, after the jumper 220 is tripped from the lock catch 510 under the driving of the driving member 520, and the moving contact 310 is tripped from the stationary contact 320 under the driving of the moving contact reset member 330 and abuts against the limiting shaft 130, at this time, the handle 410 is pulled back to the original position by the reset spring, and at the same time, the mounting seat 210 is reset to the state at the time of tripping under the driving of the handle 410 and the connecting rod 420, and the lock catch 510 abuts against the moving contact 310 again; at this time, since the lock catch reset member 530 always has a force on the lock catch 510 in the direction of the second direction, under the action of the lock catch reset member 530, the lock catch reset member 530 makes the lock catch 510 also reset to the state of abutting against the jumper 220 again, so as to make the mounting seat 210 and the lock catch 510 be in a relatively stable mounting state.

[0068] In detail, the lock catch reset member 530 is a torsion spring structure, the mounting seat 210 is provided with a first matching part 212, the lock catch 510 is provided with a second matching part 511, and the lock catch reset member 530 is installed on the mounting shaft of the mounting seat 210 and abuts against the first matching part 212 at one end and the second matching part 511 at the other end.

[0069] In this embodiment, the latch reset member 530 is disposed on the mounting shaft of the mounting base 210, with one end of the latch reset member 530 abutting against the first mating part 212 and the other end abutting against the second mating part 511. In this state, the latch reset member 530 is in a compressed state, so that after the latch 510 disengages from the holding action of the driving member 520, it can rotate in the second direction through the elastic restoring force generated by the latch reset member 530, thereby causing the latch 510 to abut against the jumper 220, and finally causing the jumper 220 to abut against the moving contact 310.

[0070] Furthermore, the moving contact 310 is provided with a clearance hole 312, through which the main shaft 110 passes. The moving contact 310 can rotate relative to the main shaft 110, and the moving contact 310 can be displaced in the rotation plane.

[0071] In detail, the clearance hole 312 has a first end 3121 and a second end 3122;

[0072] Before closing begins, the handle 410 rotates the mounting base 210, which in turn rotates the trip latch 220 and the moving contact 310 until the moving contact 310 contacts the stationary contact 320; Figure 7 As shown, after the moving contact 310 and the stationary contact 320 just come into contact, that is, during the process when the handle 410 drives the moving contact 310 to close and is in an overtravel state, the handle 410 drives the mounting base 210 to rotate, and the mounting base 210 drives the trip latch 220 to move. Finally, the trip latch 220 drives the moving contact 310 to move along the extension direction of the relief hole 312, so that the main shaft 110 moves relative to the relief hole 312 from the first end 3121 to the second end 3122, as shown. Figure 8 As shown, at this time, the moving contact 310 and the stationary contact 320 are in the closed state and in the overtravel end state. Thus, the overtravel is completed through the clearance hole 312, reducing the movement space of the moving contact 310 and thus saving space.

[0073] It is understandable that when the handle 410 drives the moving contact 310 to open and is in an overtravel state, the moving contact 310 moves along the extension direction of the relief hole 312 so that the main shaft 110 moves from the second end 3122 to the first end 3121 relative to the relief hole 312.

[0074] Furthermore, such as Figures 9 to 14 As shown, the mounting base 210 has a snap-lock groove 213 and an elastic element groove 214 on its opposite side walls. At least a portion of the snap-lock 220 is embedded in the snap-lock groove 213, and at least another portion is located on one side of the elastic element groove 214. The elastic element 230 is disposed in the elastic element groove 214 and abuts against the snap-lock 220 to restrict the snap-lock 220 from moving away from the snap-lock groove 213 and to make the snap-lock 220 abut against the moving contact 310.

[0075] Firstly, it needs to be explained that the elastic member 230 is in a compressed state, and the elastic member 230 exerts a force on the jump buckle 220 smaller than the force exerted by the movable contact reset member 330 on the movable contact 310, so that in the case that the jump buckle 220 is separated from the movable contact 310, the movable contact 310 can push the jump buckle 220 under the action of the movable contact reset member 330, so that the elastic member 230 is further compressed under the action of the jump buckle 220, until the jump buckle 220 is completely separated from the movable contact 310.

[0076] In the embodiment, by arranging the jump buckle groove 213 and the elastic member groove 214 on the two side walls of the mounting seat 210 respectively, and embedding at least part of the jump buckle 220 in the jump buckle groove 213 and at least another part in one side of the elastic member groove 214, in the case that the elastic member 230 is arranged in the elastic member groove 214 and abuts against the jump buckle 220, not only can the jump buckle 220 be firmly installed in the jump buckle groove 213 of the mounting seat 210, realizing the self-locking of the jump buckle 220 and the mounting seat 210, but also can press and hold the jump buckle 220, so that the jump buckle 220 stably abuts against the movable contact 310.

[0077] Therefore, the above structure is simple, and convenient to assemble, which effectively improves the production efficiency.

[0078] Further, as shown in Figure 15 and Figure 16 , the elastic member 230 includes a connecting portion 231, a first fixing portion 232, a second fixing portion 233, and a functional portion 234.

[0079] The connecting portion 231 is in a curved arc shape structure, the first fixing portion 232, the connecting portion 231 and the second fixing portion 233 are sequentially connected and jointly in a V-shaped structure, the functional portion 234 is connected with the connecting portion 231, and the functional portion 234 extends along the outer arc surface away from the connecting portion 231.

[0080] In the embodiment, the elastic member 230 is arranged in the elastic member groove 214 of the mounting seat 210, the first fixing portion 232, the connecting portion 231 and the second fixing portion 233 are in a V-shaped structure, which not only makes the space occupied by the elastic member 230 smaller, but also makes it have a certain elastic deformation capacity; and the outer arc surface of the connecting portion 231 is used to abut against the bottom wall of the elastic member groove 214 of the mounting seat 210, and the first fixing portion 232 and the second fixing portion 233 are respectively used to abut against the two side walls of the elastic member groove 214 of the mounting seat 210, so as to play a fixing role; by extending the functional portion 234 in the direction away from the outer arc surface of the connecting portion 231, the functional portion 234 is used to abut against the jump buckle 220, so as to exert an elastic force on the jump buckle 220 through the functional portion 234, so as to make the jump buckle 220 abut against the movable contact 310.

[0081] Therefore, the elastic piece 230 provided by the utility model has simple structure, reasonable shape design, small volume and small space occupation; the elastic force applied by the functional part 234 to the external jump buckle 220 is appropriate, so as to reduce the movement stroke between parts, thereby reducing abrasion.

[0082] In detail, the connecting part 231 is in arc bending shape, and two ends of the connecting part 231 are connected with the two fixing parts respectively, so that the first fixing part 232 and the second fixing part 233 abut against two side walls of the elastic piece groove 214 when the elastic piece 230 is installed in the elastic piece groove 214, so that the elastic piece 230 is in a compressed state, thereby stably installing the elastic piece 230 in the elastic piece groove 214 under the elastic restoring force of the elastic piece 230.

[0083] And it also needs to be explained that the distance between the first fixing part 232 and the second fixing part 233 is slightly larger than the distance between the two side walls of the elastic piece groove 214 when the elastic piece 230 is in a balanced state, so that the elastic piece 230 is installed in the elastic piece groove 214 in a compressed state.

[0084] In addition, it also needs to be explained that the length of the functional part 234 is greater than the length of the first fixing part 232 and the second fixing part 233.

[0085] Further, the elastic piece 230 further comprises a anti-falling part 235, the anti-falling part 235 is connected with the first fixing part 232, and the anti-falling part 235 extends along a side of the first fixing part 232 away from the second fixing part 233.

[0086] In the embodiment, the mounting seat 210 is further provided with an anti-falling groove 215, the anti-falling groove 215 is arranged on the side wall or the top wall of the elastic piece groove 214, and the anti-falling part 235 is embedded in the anti-falling groove 215 to prevent the elastic piece 230 from falling off.

[0087] In the embodiment, the anti-falling groove 215 is communicated with the elastic piece groove 214, so that when the elastic piece 230 is installed in the elastic piece groove 214, the anti-falling part 235 can be embedded in the anti-falling groove 215 and abut against the side wall of the anti-falling groove 215, so that the elastic piece 230 is stably installed in the elastic piece groove 214 under the abutting action of the anti-falling part 235, avoiding the elastic piece 230 from falling off, and further improving the structural installation strength and self-locking strength of the mounting assembly 200.

[0088] In detail, the anti-falling part 235 is integrally formed with the first fixing part 232, and the anti-falling part 235 is bent from the plane area where the first fixing part 232 is located.

[0089] In the embodiment, the anti-disengagement portion 235 and the first fixing portion 232 are manufactured by an integral molding process, which is simple and efficient, and effectively improves the processing efficiency; and the anti-disengagement portion 235 can be manufactured by cutting and bending processes from the structure located in the middle of the first fixing portion 232, so that the elastic member 230 has a simple structure and is convenient to process.

[0090] Specifically, the end of the first fixing portion 232 is provided with two spaced first fixing segments 2321, and the anti-disengagement portion 235 is located in the middle region between the two first fixing segments 2321.

[0091] In the embodiment, the two first fixing segments 2321 are symmetrically arranged, and the anti-disengagement portion 235 is located in the middle region between the two first fixing segments 2321, so that the elastic member 230 is balanced in force, thereby improving the installation stability when the elastic member 230 is installed into the elastic member groove 214.

[0092] In detail, the two first fixing segments 2321 abut against the top wall of the elastic member groove 214.

[0093] Further, the functional portion 234 is integrally formed with the connecting portion 231, and the functional portion 234 is bent from the plane region where the second fixing portion 233 is located.

[0094] In the embodiment, the functional portion 234 and the connecting portion 231 are manufactured by an integral molding process, which is simple and efficient, and effectively improves the processing efficiency; and the functional portion 234 and the second fixing portion 233 can be processed by cutting and bending processes from an entire plate-shaped structure, so that the elastic member 230 has a simple structure and is convenient to process.

[0095] In detail, the second fixing portion 233 includes two second fixing segments 2331 arranged at intervals, and the functional portion 234 is located in the middle region between the two second fixing segments 2331.

[0096] In the embodiment, the two second fixing segments 2331 are symmetrically arranged, and the functional portion 234 is located in the middle region between the two second fixing segments 2331, so that the elastic member 230 is balanced in force, thereby improving the installation stability when the elastic member 230 is installed into the elastic member groove 214.

[0097] In detail, the two second fixing segments 2331 abut against the bottom wall of the elastic member groove 214.

[0098] It should be noted that, since the functional portion 234 is arranged at intervals with the two second fixing segments 2331, the number of the connecting portions 231 is three, that is, the two second fixing segments 2331 are connected with the two connecting portions 231 on the left and right sides, respectively, and the functional portion 234 is connected with the connecting portion 231 in the middle.

[0099] Further, the first fixing part 232 and the second fixing part 233 are arranged at an angle, and it can be understood that the angle can be adjusted according to actual assembly requirements, which is not specifically limited here.

[0100] Further, the jump buckle 220 is provided with an abutting part 222 abutting against the functional part 234.

[0101] In the embodiment, the abutting part 222 arranged on the top side of the jump buckle 220 is abutted against by the functional part 234 to limit the movement of the jump buckle 220 in the direction away from the jump buckle groove 213; moreover, since the bottom side of the jump buckle 220 is also used to abut against the movable contact 310, the functional part 234 also simultaneously applies a downward pressing force to the jump buckle 220, and when the jump buckle 220 is separated from the movable contact 310, the jump buckle 220 can be turned downward by the functional part 234 to reset the jump buckle 220 to the state of abutting against the movable contact 310.

[0102] Further, the abutting part 222 includes a first abutting surface 2221 arranged on the top of the jump buckle 220, and the functional part 234 abuts against the first abutting surface 2221 to make the jump buckle 220 have a tendency to turn away from the elastic member 230 to reset the jump buckle 220, and the first abutting surface 2221 also abuts against the top wall of the jump buckle groove 213.

[0103] In the embodiment, the first abutting surface 2221 arranged on the top of the jump buckle 220 is abutted against by the functional part 234, so that the functional part 234 applies a downward pressing force to the jump buckle 220 to make the jump buckle 220 turn downward by the functional part 234 to reset the jump buckle 220 to the state of abutting against the movable contact 310 when the jump buckle 220 is separated from the movable contact 310.

[0104] Further, the abutting part 222 also includes a second abutting surface 2222, and the functional part 234 is also used to abut against the second abutting surface 2222 to limit the movement of the jump buckle 220 in the direction away from the jump buckle groove 213.

[0105] In the embodiment, since the opening directions of the elastic member groove 214 and the jump buckle groove 213 are opposite, the installation directions of the elastic member 230 and the jump buckle 220 are opposite, and thus the functional part 234 of the elastic member 230 abuts against the second abutting part 222 of the jump buckle 220 to prevent the jump buckle 220 from moving in the direction away from the jump buckle groove 213 and to avoid the jump buckle 220 from falling out of the jump buckle groove 213, so as to realize the firm self-locking of the jump buckle 220, the elastic member 230 and the mounting seat 210.

[0106] In detail, the first abutting surface 2221 is horizontally arranged, and the second abutting surface 2222 is connected with the first abutting surface 2221 in a clamping manner, specifically, the second abutting surface 2222 is vertically connected with the first abutting surface 2221, and the second abutting surface 2222 faces the elastic piece groove 214.

[0107] It should be noted that when the jump buckle 220 is in a normal installation state, the functional part 234 only abuts against the first abutting surface 2221.

[0108] Further, the mounting seat 210 is also provided with an anti-falling groove 215, which is arranged on the side wall or top wall of the elastic piece groove 214, and the anti-falling part 235 is embedded in the anti-falling groove 215.

[0109] In this embodiment, the anti-falling groove 215 is in communication with the elastic piece groove 214, so that when the elastic piece 230 is installed into the elastic piece groove 214, the anti-falling part 235 can be embedded into the anti-falling groove 215 and abut against the side wall of the anti-falling groove 215, so that the elastic piece 230 is stably installed in the elastic piece groove 214 under the abutting action of the anti-falling part 235, avoiding the elastic piece 230 from falling off, and further improving the structural installation strength and self-locking strength of the mounting assembly 200.

[0110] It should be noted that when the elastic piece 230 and the jump buckle 220 are installed on the mounting seat 210, the elastic piece 230 can be installed into the elastic piece groove 214 first to prevent the elastic piece 230 from falling off by embedding the anti-falling part 235 into the anti-falling groove 215, and then the jump buckle 220 is installed into the jump buckle groove 213 and fixedly matched with the elastic piece 230; of course, the jump buckle 220 can also be installed into the jump buckle groove 213 first, and then the elastic piece 230 is installed into the elastic piece groove 214, and this installation mode can realize installation without the fixed matching of the anti-falling part 235 and the anti-falling groove 215.

[0111] Further, the elastic piece groove 214 is provided with an avoiding groove 216, the avoiding groove 216 and the anti-falling groove 215 are located on the same wall surface and are arranged in sequence along the opening direction of the elastic piece groove 214, and the top wall of the avoiding groove 216 is arranged in an inclined manner.

[0112] It should be noted that since the two fixing parts are arranged at an angle, the anti-falling part 235 is also arranged at an angle with the fixing part.

[0113] In the embodiment, the anti-disengagement portion 235 is arranged at an angle with the first fixing portion 232 and is located on the side of the first fixing portion 232 away from the second fixing portion 233. Therefore, in the process of slidingly installing the elastic member 230 into the elastic member groove 214, the avoiding groove 216 is arranged on the wall surface of the elastic member groove 214 to avoid the anti-disengagement portion 235, so that the first fixing portion 232 and the second fixing portion 233 smoothly extend into the elastic member groove 214. The top wall of the avoiding groove 216 is arranged at an angle, which facilitates the anti-disengagement portion 235 to enter the anti-disengagement groove 215 after being slightly pressed by the top wall of the avoiding groove 216.

[0114] Further, the jump buckle 220 is provided with the first rotating portion 223, and the jump buckle groove 213 is provided with the second rotating portion 217. The first rotating portion 223 and the second rotating portion 217 are slidingly matched, so that the jump buckle 220 can rotate relative to the jump buckle groove 213.

[0115] In the embodiment, the first rotating portion 223 and the second rotating portion 217 are both arc surfaces. Therefore, the jump buckle 220 can rotate relative to the mounting seat 210 through the sliding matching of the first rotating portion 223 and the second rotating portion 217.

[0116] Further, the mounting seat 210 is also provided with the avoiding passage 218, which is communicated with the jump buckle groove 213. At least part of the jump buckle 220 is embedded in the jump buckle groove 213, and at least another part extends to one side of the elastic member groove 214 through the avoiding passage 218.

[0117] In the embodiment, the elastic member groove 214 and the jump buckle groove 213 are both communicated with the avoiding passage 218. Therefore, the first abutting surface 2221 of the jump buckle 220 extends to one side of the elastic member groove 214 through the avoiding passage 218. When the functional portion 234 of the jump buckle 220 abuts against the first abutting surface 2221, the first abutting surface 2221 abuts against the top wall of the jump buckle groove 213, so that the jump buckle 220 is in a stable installation state.

[0118] In summary, the utility model provides a kind of elastic piece 230, elastic piece 230 is used to be installed in the elastic piece slot 214 of mounting seat 210, first fixed part 232, connecting part 231 and second fixed part 233 are V-shaped structure not only make the space occupied by elastic piece 230 smaller, it also has certain elastic deformation ability;And the outer arc surface of connecting part 231 is used to be in contact with the bottom wall of the elastic piece slot 214 of mounting seat 210, first fixed part 232 and second fixed part 233 are used to be in contact with the two side walls of the elastic piece slot 214 of mounting seat 210 respectively, to this can play the function of fixing;By extending function part 234 in the direction away from the outer arc surface of connecting part 231, function part 234 is used to be in contact with jump buckle 220, to exert elastic force on jump buckle 220 by function part 234, to make jump buckle 220 be in contact with moving contact 310.Obviously, the elastic piece 230 provided by the utility model is simple in structure, reasonable in shape design, small in size and small in space occupation;The elastic force exerted on the external jump buckle 220 by function part 234 is appropriate in size, to reduce the movement stroke between parts, thus reducing abrasion.

[0119] The above only is the preferred embodiment of the utility model, and does not limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An elastic member (230) characterized by, The elastic piece (230) comprises a connecting part (231), a first fixing part (232), a second fixing part (233) and a functional part (234); The connecting part (231) is in a curved arc structure, the first fixing part (232), the connecting part (231) and the second fixing part (233) are sequentially connected and jointly in a V-shaped structure, the functional part (234) is connected with the connecting part (231), and the functional part (234) extends along an outer arc surface away from the connecting part (231).

2. The elastic member (230) according to claim 1, characterized in that The elastic piece (230) further comprises an anti-dropping part (235), the anti-dropping part (235) is connected with the first fixing part (232), and the anti-dropping part (235) extends along one side of the first fixing part (232) away from the second fixing part (233).

3. The elastic member (230) according to claim 2, characterized in that The anti-dropping part (235) is integrally formed with the first fixing part (232), and the anti-dropping part (235) is bent from a planar area where the first fixing part (232) is located.

4. The elastic member (230) according to claim 2, characterized in that The end of the first fixing part (232) is provided with two spaced first fixing segments (2321), and the anti-dropping part (235) is located in a middle area between the two first fixing segments (2321).

5. The elastic member (230) of claim 2, wherein, The elastic piece (230) is used to be installed into an elastic piece groove (214), the anti-dropping part (235) is used to be installed into an anti-dropping groove (215), so as to prevent the elastic piece (230) from falling off by embedding the anti-dropping part (235) into the anti-dropping groove (215).

6. The elastic member (230) according to claim 1, characterized in that The functional part (234) is integrally formed with the connecting part (231), and the functional part (234) is bent from a planar area where the second fixing part (233) is located.

7. The elastic member (230) of claim 1, wherein The second fixing part (233) comprises two spaced second fixing segments (2331), and the functional part (234) is located in a middle area between the two second fixing segments (2331).

8. The elastic member (230) of claim 1, wherein, The elastic piece (230) is used to be installed into an installation groove, the first fixing part (232) and the second fixing part (233) are respectively used to abut against two side walls of the installation groove and be in a compressed state.

9. The elastic member (230) of claim 1, wherein, The functional part (234) is located between the first fixing part (232) and the second fixing part (233), and the length of the functional part (234) is greater than the length of the first fixing part (232) and the length of the second fixing part (233), the functional part (234) is used to abut against a carabiner (220) and apply pressure to the carabiner (220).

10. A circuit breaker characterized by, The mounting seat (210), the carabiner (220) and the elastic piece (230) as claimed in any one of claims 1-9 are comprised; The two opposite side walls of the mounting seat (210) are respectively provided with a carabiner groove (213) and an elastic piece groove (214), at least part of the carabiner (220) is embedded into the carabiner groove (213), and at least another part is located on one side of the elastic piece groove (214); The first fixing part (232) and the second fixing part (233) respectively abut with two side walls of the elastic piece groove (214), so that the elastic piece (230) is in a compressed state, and the functional part (234) abuts with the jump buckle (220) to limit movement of the jump buckle (220) in a direction away from the jump buckle groove (213).

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