WO2017206581A1 - 一种小型断路器的动触头操作机构 - Google Patents
一种小型断路器的动触头操作机构 Download PDFInfo
- Publication number
- WO2017206581A1 WO2017206581A1 PCT/CN2017/078220 CN2017078220W WO2017206581A1 WO 2017206581 A1 WO2017206581 A1 WO 2017206581A1 CN 2017078220 W CN2017078220 W CN 2017078220W WO 2017206581 A1 WO2017206581 A1 WO 2017206581A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- movable contact
- energy storage
- hole
- circuit breaker
- long
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/54—Manual reset mechanisms which may be also used for manual release actuated by tumbler
Definitions
- the invention relates to a circuit breaker, in particular to an operating mechanism of a moving contact on a miniature circuit breaker.
- the existing circuit breakers are complicated due to the moving contact operating mechanism, and the above functions are required to be completed by a plurality of components.
- the mechanism is bulky, complicated in structure, difficult to assemble, and difficult to achieve miniaturization.
- the movable contact operating mechanism of the circuit breaker has no energy storage or unreasonable energy storage.
- the speed of the moving contact is not fast during the closing process or the product has a failure phenomenon during the energy storage process, which causes poor performance of the circuit breaker. influences.
- the invention overcomes the large volume defect of the existing circuit breaker, and provides a movable contact operating mechanism of a novel miniature circuit breaker which can make the length or width of the circuit breaker smaller than the prior art products and can better meet the needs of customers.
- a moving contact operating mechanism of a miniature circuit breaker comprising a handle, a first connecting rod, a moving contact, a jump buckle, a movable contact bracket, a lock torsion spring, a lock and a tension spring
- the movable contact is fixedly disposed on the movable contact bracket
- the movable contact bracket is provided with a through hole
- the through hole is provided with a pin shaft
- both ends of the pin shaft are disposed on the base of the circuit breaker and Covered
- one end of the tension spring is connected to the movable contact bracket or ⁇ and moving contacts
- moving contact bracket or ⁇ The connection point of the movable contact is located above the through hole, and the other end of the tension spring is fixedly connected to the base of the circuit breaker or other components fixedly connected with the base, and the jumper hinge is disposed at the upper end of the movable contact bracket.
- the jumper and the handle are connected by a first connecting rod, and the locking bolt is disposed on the pin shaft, and is characterized in that: the movable contact energy storage device is further included, and the movable contact energy storage device comprises an energy storage rotating member
- the energy storage rotating member is hingedly disposed on the base, and the energy storage rotating member is provided with a first extending arm and a second extending arm, and the rotating sleeve of the handle is provided with a long groove
- first An end of the extension arm is disposed in the long groove
- an end of the second extension arm is hinged with an upper end portion of the energy storage abutting rod
- the energy storage abutting rod is disposed between the two limiting ribs of the base, and is long
- the two side walls of the groove symmetry can rotate against the first extension arm when the handle rotates, thereby driving the energy storage rotating member to rotate, the rotation of the energy storage rotating member drives the second extension arm to swing, and the second extension arm swings to achieve energy storage interference.
- the rod moves up and down, the movable contact bracket
- the protrusion corresponding to the lower end portion of the energy storage resisting rod is disposed, and the protruding block is spaced apart from the lower end portion of the energy storage resisting rod when the circuit breaker is disconnected, and the bump is gradually close from the separation until the conflict is in the process of closing the circuit breaker. It can resist the side of the lower end of the rod.
- the handle continues to rotate and the movable contact bracket stops rotating. Finally, the handle rotation is about to be in place.
- the energy storage resisting rod is about to be pushed to the highest position by the energy storage rotating member, the bump is stored and the lower end of the rod is stored. The side of the part is released, and the movable contact bracket rotates the moving contact to realize the closing.
- the protruding block is spaced apart from the lower end of the energy storage resisting rod. During the closing process of the circuit breaker, the protruding block gradually approaches from the separation until it abuts against the side of the lower end of the energy storage resisting rod, and the moving contact also rotates to a certain position.
- the movable contact bracket cannot be rotated at this time, so that the contact of the movable contact is close to the contact of the static contact, and then the handle continues to rotate and touch
- the head bracket stops rotating, which is also the process of energy storage.
- the first link is deformed by the movable contact bracket, and finally the handle rotation is about to be in place, and the energy storage resisting rod is about to be pushed by the energy storage rotating member to the highest position.
- the block is released by the side of the lower end of the rod, and the movable contact bracket rotates the moving contact to achieve rapid closing.
- the length of the long groove on the rotating sleeve of the handle is greater than the width of the first extending arm of the energy storage rotating member, and the elastic limiting arm is extended on the energy storage rotating member, and the elastic limiting arm
- a top end is provided with a circular boss
- the base is provided with a curved limit table for the elastic limit arm to be in contact with, and the two sides of the curved limit table are provided with positioning grooves, the open circuit
- the circular bosses of the elastic limiting arms are respectively placed in the corresponding positioning grooves.
- the length of the long groove on the rotating sleeve of the handle is greater than the width of the first extending arm of the energy storage rotating member, such that when the handle is closed or opened, the first extending arm does not rotate.
- the first extension arm is rotated only when one side wall of the long groove is in contact with it, so that the stroke of the energy storage resisting rod in the circuit breaker is relatively short, and the product structure is compact and reasonable, of course, we can also make the first
- the extension arm moves up and down with the rotation of the handle.
- the elastic limiting arm and the curved limiting platform are arranged to enable the energy storage rotating member to be positioned when the force is not rotated, thereby preventing it from malfunctioning.
- the latching member is provided with an anti-contact pin that can resist the rotation of the jumper with the jumper, and the pusher and the reset leg are disposed under the latch, wherein the pusher and the circuit breaker are
- the tripper push rod is correspondingly arranged, the push rod can push the push foot to rotate to realize the lock buckle rotation, and the lock buckle rotates to unlock the jump buckle and the resisting foot, and the movable contact bracket can be realized by the tension spring
- the circuit breaker is opened, and the top end portion of the resetting leg is provided with a force receiving rod, one end of the locking torsion spring is in contact with the protruding post of the base, and the other end is in contact with the force receiving rod, and the locking torsion spring is locked to the buckle
- the force causes the lock to push the foot to rotate in the direction of the push rod.
- the product structure is more reasonable and compact, and one component of the buckle realizes multiple functions, so that the structure is very compact.
- the final setting of the present invention is that the movable contact bracket is disposed on one side of the base, and the upper end of the movable contact is engaged with the cavity to achieve a fixed connection with the movable contact bracket, and the movable contact bracket is
- the through hole is a long through hole, and the long through hole is located in the cavity portion, and the upper end of the movable contact is provided with a movable contact long through hole corresponding to the long through hole of the movable contact holder, and the pin passes through the long through hole
- the movable contact is provided with a long through hole, wherein the jumper is provided with a card seat, and the abutting foot is provided with an abutting shoulder step that is in abutting engagement with the jumper card table, and the jumper is provided with a first connecting rod Connected connection through holes.
- the structure of the product is more reasonable, wherein the connection between the movable contact and the movable contact bracket is convenient, and the long through hole and the long through hole of the moving contact constitute a connecting through hole of the pin shaft, so that the movement is made. Both the contact bracket and the moving contact are subjected to the force of the pin shaft, and the movement is relatively stable.
- FIG. 1 is a schematic structural view of an opening state of an embodiment of the present invention
- Figure 2 is a perspective view of the base of the embodiment of the present invention.
- Figure 3 is a perspective view of the handle of the embodiment of the present invention.
- Figure 4 is a perspective view of the energy storage rotating member of the embodiment of the present invention.
- Figure 5 is a perspective view of an energy storage abutment bar according to an embodiment of the present invention.
- FIG. 6 is a structural view of the movable contact energy storage device and the base when the brake is opened in the embodiment of the present invention
- FIG. 7 is a structural view of a movable contact energy storage device and a base when the door is closed according to an embodiment of the present invention
- Figure 8 is a perspective view of the movable contact bracket of the embodiment of the present invention.
- Figure 9 is a structural view showing the cooperation of the tension spring and the movable contact bracket and the movable contact in the embodiment of the present invention.
- Figure 10 is a structural view showing the cooperation of the buckle and the movable contact bracket in the embodiment of the present invention.
- Figure 11 is a perspective view of a buckle of an embodiment of the present invention.
- Figure 12 is a front structural view of the embodiment of the present invention when energy storage is started
- Figure 13 is a rear structural view of Figure 12;
- Figure 14 is a front structural view of the energy storage process of the embodiment of the present invention.
- Figure 15 is a rear view of Figure 14;
- Figure 16 is a front structural view of the embodiment of the present invention after energy storage release
- Figure 17 is a rear view of Figure 16.
- the movable contact operating mechanism of the miniature circuit breaker includes a handle 1, a first link 2, and a movable contact 3 , the jumper 4, the movable contact bracket 5, the lock torsion spring 6, the lock 7 and the tension spring 8, wherein the movable contact 1 is fixedly disposed on the movable contact bracket 5, and the movable contact bracket 5 is provided with a through hole 51
- a pin 9 is disposed in the through hole 51, and both ends of the pin 9 are disposed on the base 10 and the cover of the circuit breaker, and one end of the tension spring 8 is connected to the movable contact bracket 5 or ⁇ and the movable contact 3
- the connection point with the movable contact holder 5 or the movable contact 3 is located above the through hole 51, which means that the tension spring 8 can be connected with the movable contact holder 5, or can be connected with the movable contact 3
- the connection or both are connected, and the other end of the tension spring 8 is fixedly connected to the base 10 of the circuit breaker
- the movable contact energy storage device 11 includes an energy storage rotating member 111 and an energy storage resisting rod 112.
- the energy storage rotating member 111 is hingedly disposed on the base 10, and the energy storage rotating member 111
- a first extension arm 1111 and a second extension arm 1112 are disposed thereon, and the rotating sleeve of the handle 1 is provided with a long groove 1A, and an end of the first extension arm is disposed in the long groove 1A, the second extension arm
- the end of the 1112 is hinged with the upper end of the energy storage abutting rod 112, and the energy storage resisting rod 112 is disposed between the two limiting ribs 102, 103 of the base 10, where the limiting rib 102, 103 may be specifically provided for the energy storage resisting rod 112, or may be the side of other components, the main purpose is to define the position of the energy storage abutting rod 112, the long groove 1A symmetrical two side walls are at the handle
- the bump 52 and the energy storage resisting rod are arranged. 112
- the lower end portion is spaced apart, and the bump 52 is gradually close from the separation to the side of the lower end of the energy storage resisting lever 112 during the closing of the circuit breaker, at which time the handle 1 continues to rotate and the movable contact bracket 5 The rotation is stopped, and finally the handle 1 is about to be rotated, and the energy storage resisting lever 112 is about to be pushed up to the highest position by the energy storage rotating member 111.
- the side of the lower end portion is released, that is, is away from the side of the lower end portion of the energy storage abutting rod 112.
- the movable contact holder 5 drives the movable contact 3 to rotate rapidly to realize rapid closing; the purpose of the setting is to make the movable contact 3
- the contact is close to the contact of the static contact, and then the handle 1 continues to rotate and the movable contact holder 5 stops rotating, which is also a process of energy storage.
- the first link 2 is deformed by the movable contact holder 5,
- the last handle 1 When the rotation is about to be in place, the energy storage resisting lever 112 is about to be released by the energy storage rotating member 111 to the highest position, and the bump 52 is released by the side of the lower end of the storage rod, and the movable contact holder 5 drives the movable contact 3 Quick rotation for fast closing.
- the length of the long groove 1A on the rotating sleeve of the handle 1 is greater than the length of the energy storage rotating member 111.
- the width of 1111 so that the handle 1 is rotated when the closing or opening is started, which does not drive the first extension arm 1111 to rotate, and the first extension arm 1111 is realized only when one side wall of the long groove 1A is in contact with it.
- Rotating, the energy storage rotating member 111 is extended with an elastic limiting arm 1113, the elastic limiting arm 1113 is curved, and the top end is provided with a circular boss 11131, the base 10 A curved limit stop 101 is provided on the elastic limit arm 1113.
- the curved limit stop 101 is provided with positioning grooves 1011 on both sides thereof, and the elastic limit arm is closed when the circuit breaker is closed or disconnected.
- the circular bosses 11131 of 1113 are respectively placed in the corresponding positioning grooves 1011, so that the energy storage rotating member 111 can be positioned when it is not subjected to force rotation to prevent it from malfunctioning.
- the latching member 7 is extended with a matching contact with the jumper 4 to limit the rotation of the jumper 4
- a pusher foot 72 and a reset foot 73 are disposed under the buckle 7 , wherein the pusher foot 72 is disposed corresponding to the tripper push rod of the circuit breaker, and the push rod can push the pusher foot 72 to rotate to realize the lock buckle 7 Rotating, the lock 7 is rotated to unlock the jump between the jumper 4 and the abutting foot 71.
- the movable contact bracket 5 can open the circuit breaker by the tension spring 8, and the reset foot 73
- the top end portion is provided with a force receiving rod 731.
- One end of the locking torsion spring 6 abuts against the stud of the base 10, and the other end abuts against the force receiving rod 731.
- the force of the locking torsion spring 6 against the locking rod 7 makes the lock Buckle 7 Push the foot 72 toward the push rod.
- the movable contact bracket 5 is located on one side of the base 10, and a cavity 53 is provided.
- the movable contact 3 The upper end is inserted into the cavity 53 to achieve a fixed connection with the movable contact bracket 5, the through hole 51 on the movable contact bracket 5 is a long through hole 51, and the long through hole 51 is located in the cavity portion 53, the movable contact 3
- the upper end is provided with a movable contact long through hole 31 corresponding to the long through hole 51 of the movable contact holder 5, and the pin 9 is disposed through the long through hole 51 and the movable contact long through hole 31, and the long through hole 51 is provided.
- the movable contact long through hole 31 constitutes a connecting through hole of the pin shaft, so that the movable contact bracket 5 and the movable contact 3 are both positioned by the pin 9, and the movement is relatively stable.
- the jumper 4 is provided with a card 41, and the abutting leg 71 is provided with an abutting shoulder which is in abutment with the jumper card 41. 711.
- the jumper 4 is provided with a connecting through hole 42 for connecting the first link 2.
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Abstract
一种小型断路器的动触头操作机构，包括有动触头储能装置（11），动触头储能装置包括有储能转动件（111）和储能抵触杆（112），储能转动件上设置有第一延伸臂（1111）和第二延伸臂（1112），手柄（1）的转动套上设置有长凹槽（1A），第一延伸臂的端部设置于长凹槽内，第二延伸臂的端部与储能抵触杆的上端部铰接，储能转动件转动带动第二延伸臂摆动，第二延伸臂摆动实现储能抵触杆上下移动，该动触头操作机构能减小漏电断路器的长度或宽度。
Description
本发明涉及一种断路器，特别是指小型断路器上的动触头的操作机构。
现有断路器由于动触头操作机构都比较复杂，其实现上述的功能需要多个部件共同来完成，所述机构的体积庞大，结构复杂，装配困难，很难实现小型化，另外现有的断路器动触头操作机构没有储能或者储能不合理，所述动触头在合闸的过程中速度不是很快或者产品在储能过程中有失效现象，这样对断路器的性能产生不良影响。
本发明克服现有断路器体积大缺陷，提供能使断路器的长度或宽度比现有技术产品小，更能满足客户需要的新型的小型断路器的动触头操作机构。
为实现上述目的，本发明采用如下技术方案，一种小型断路器的动触头操作机构，包括有手柄、第一连杆、动触头、跳扣、动触头支架、锁扣扭簧、锁扣和拉簧，其中动触头固定设置在动触头支架上，动触头支架上设置有贯穿孔，贯穿孔内设置有销轴，该销轴的两端设置在断路器的底座和盖上，所述拉簧一端连接在动触头支架或
\ 和动触头上，且与动触头支架或 \
和动触头的连接点位于贯通孔的上方，拉簧的另一端固定连接在断路器的底座上或与底座固定连接的其他部件上，所述跳扣铰接设置在动触头支架的上端，跳扣与手柄之间通过第一连杆连接，所述锁扣转动设置在销轴上，其特征在于：还包括有动触头储能装置，动触头储能装置包括有储能转动件和储能抵触杆，所述储能转动件铰接设置在底座上，储能转动件上设置有第一延伸臂和第二延伸臂，所述手柄的转动套上设置有长凹槽，第一延伸臂的端部置于长凹槽内，所述第二延伸臂的端部与储能抵触杆的上端部铰接，所述储能抵触杆置于底座的两限位凸筋之间，长凹槽对称的两侧壁在手柄转动时可抵触第一延伸臂使之转动，从而带动储能转动件转动，储能转动件转动带动第二延伸臂摆动，第二延伸臂摆动实现储能抵触杆上下移动，所述动触头支架上设置有与储能抵触杆下端部对应的凸块，断路器断开时该凸块与储能抵触杆下端部隔开设置，断路器合闸过程中凸块从隔开逐步贴近直到抵触在储能抵触杆下端部的侧面，这时候手柄继续转动而动触头支架停止转动，最后手柄转动即将到位，储能抵触杆即将被储能转动件推到最高位置时凸块被储能抵触杆下端部的侧面释放，此时动触头支架带动动触头快速转动实现合闸。
通过采用上述方案，我们很好的实现断路器的动触头操作机构的小型化以及在合闸的时候可以快速合闸，提高产品的性能，具体表现在断路器断开时动触头支架上的凸块与储能抵触杆下端部隔开设置，断路器合闸过程中凸块从隔开逐步贴近直到抵触在储能抵触杆下端部的侧面，动触头之间也转动一定的位置，直到凸块与储能抵触杆下端部的侧面抵触，这时候动触头支架无法转动，这样的目的是使动触头的触点与静触头的触点接近，然后手柄继续转动而动触头支架停止转动，这也是储能的过程，这时候第一连杆对动触头支架推动发生变形，另外最后手柄转动即将到位，储能抵触杆即将被储能转动件推到最高位置时凸块被储能抵触杆下端部的侧面释放，此时动触头支架带动动触头快速转动实现快速合闸。
本发明的进一步设置是：所述手柄转动套上的长凹槽的长度大于储能转动件第一延伸臂的宽度，所述储能转动件上延伸设置有弹性限位臂，弹性限位臂成弯曲设置，其顶端设置有圆形凸台，所述底座上设置有供弹性限位臂抵触的曲形限位台，该曲形限位台的两侧设置有定位凹槽，所述断路器在合闸或断开时弹性限位臂的圆形凸台分别置于对应的定位凹槽中。
通过采用上述方案，其中所述手柄转动套上的长凹槽的长度大于储能转动件第一延伸臂的宽度，这样手柄合闸或分闸开始转动时，其不会带动第一延伸臂转动，只有当长凹槽的一个侧壁与之接触后才实现第一延伸臂转动，这样使储能抵触杆在断路器中的行程比较短，产品结构紧凑、合理，当然我们也可以让第一延伸臂随手柄的转动一直上下移动。另外弹性限位臂和曲形限位台的设置可以使储能转动件在未受力转动的时候可以定位，防止它误工作。
本发明的再进一步设置是：所述锁扣上方延伸设置有可与跳扣抵触配合限制跳扣转动的抵触脚，所述锁扣下方设置有推动脚和复位脚，其中推动脚与断路器的脱扣器推杆对应设置，推杆可推动推动脚转动从而实现锁扣转动，锁扣转动使跳扣与抵触脚之间的抵触解锁，这时动触头支架在拉簧的作用下可实现断路器分闸，所述复位脚的顶端部设置有受力杆，所述锁扣扭簧一端抵触在底座的凸柱上，另一端抵触在受力杆上，锁扣扭簧对锁扣的力使锁扣推动脚向推杆方向转动。
通过采用上述方案，是该产品结构更合理，体积小巧，其中锁扣一个部件实现了多个功能，这样结构非常紧凑。
本发明的最后设置是：所述动触头支架位于底座一侧上设置容腔，所述动触头上端卡入容腔实现与动触头支架的固定连接，所述动触头支架上的贯穿孔为长通孔，长通孔位于容腔部，所述动触头上端设置有与动触头支架的长通孔对应的动触头长通孔，所述销轴穿过长通孔和动触头长通孔设置，所述跳扣上设置有卡台，所述抵触脚上设置有与跳扣卡台抵触配合的抵触肩阶，所述跳扣上设置有供第一连杆连接的连接通孔。
通过采用上述方案，使该产品的结构更加合理，其中动触头和动触头支架之间的连接方便，另外长通孔和动触头长通孔构成销轴的连接通孔，这样使动触头支架与动触头均受到销轴的力，运动比较稳固。
下面结合附图对本发明做进一步描述。
图 1 是本发明实施例分闸状态的结构示意图；
图 2 是本发明实施例底座的立体图；
图 3 是本发明实施例手柄的立体图；
图 4 是本发明实施例储能转动件的立体图；
图 5 是本发明实施例储能抵触杆的立体图；
图 6 是本发明实施例分闸时动触头储能装置与底座配合的结构图；
图 7 是本发明实施例合闸时动触头储能装置与底座配合的结构图；
图 8 是本发明实施例动触头支架的立体图；
图 9 是本发明实施例拉簧与动触头支架和动触头配合的结构图；
图 10 是本发明实施例锁扣与动触头支架配合的结构图；
图 11 是本发明实施例锁扣的立体图；
图 12 是本发明实施例开始储能时的正面结构图；
图 13 是图 12 的背面结构图；
图 14 是本发明实施例储能过程中的正面结构图；
图 15 是图 14 的背面图；
图 16 是本发明实施例储能释放后的正面结构图；
图 17 是图 16 的背面图。
如图 1 - 17 所示，一种小型断路器的动触头操作机构，包括有手柄 1 、第一连杆 2 、动触头 3
、跳扣 4 、动触头支架 5 、锁扣扭簧 6 、锁扣 7 和拉簧 8 ，其中动触头 1 固定设置在动触头支架 5 上，动触头支架 5 上设置有贯穿孔 51
，贯穿孔 51 内设置有销轴 9 ，该销轴 9 的两端设置在断路器的底座 10 和盖上，所述拉簧 8 一端连接在动触头支架 5 或 \ 和动触头 3
上，且与动触头支架 5 或 \ 和动触头 3 的连接点位于贯穿孔 51 的上方，这句话的含义是拉簧 8 可以与动触头支架 5 连接，也可以与动触头 3
连接或者是两者均连接，拉簧 8 的另一端固定连接在断路器的底座 10 上或与底座 10 固定连接的其他部件上，所述跳扣 4 铰接设置在动触头支架 5
的上端，跳扣 4 与手柄 1 之间通过第一连杆 2 连接，所述锁扣 7 转动设置在销轴 9 上，在本发明实施例中，还包括有动触头储能装置 11
，动触头储能装置 11 包括有储能转动件 111 和储能抵触杆 112 ，所述储能转动件 111 铰接设置在底座 10 上，储能转动件 111
上设置有第一延伸臂 1111 和第二延伸臂 1112 ，所述手柄 1 的转动套上设置有长凹槽 1A ，第一延伸臂的端部置于长凹槽 1A 内，所述第二延伸臂
1112 的端部与储能抵触杆 112 的上端部铰接，所述储能抵触杆 112 置于底座 10 的两限位凸筋 102 、 103 之间，这里的限位凸筋 102 、
103 可以是专门为储能抵触杆 112 设置的，也可以是其他部件的侧边，主要目的是限定储能抵触杆 112 的位置，长凹槽 1A 对称的两侧壁在手柄 1
转动时可抵触第一延伸臂 1111 使之转动，从而带动储能转动件 111 转动，储能转动件 111 转动带动第二延伸臂 1112 摆动，第二延伸臂 1112
摆动实现储能抵触杆 112 上下移动，所述动触头支架 5 上设置有与储能抵触杆 112 下端部对应的凸块 52 ，断路器断开时该凸块 52 与储能抵触杆
112 下端部隔开设置，断路器合闸过程中凸块 52 从隔开逐步贴近直到抵触在储能抵触杆 112 下端部的侧面，这时候手柄 1 继续转动而动触头支架 5
停止转动，最后手柄 1 转动即将到位，储能抵触杆 112 即将被储能转动件 111 推到最高位置时凸块 52 被储能抵触杆 112
下端部的侧面释放，也即脱离储能抵触杆 112 下端部的侧面，此时动触头支架 5 带动动触头 3 快速转动实现快速合闸；这样设置的目的是使动触头 3
的触点与静触头的触点接近，然后手柄 1 继续转动而动触头支架 5 停止转动，这也是储能的过程，这时候第一连杆 2 对动触头支架 5 推动发生变形，另外最后手柄
1 转动即将到位，储能抵触杆 112 即将被储能转动件 111 推到最高位置时凸块 52 被储能抵触杆下端部的侧面释放，此时动触头支架 5 带动动触头 3
快速转动实现快速合闸。
在本发明实施例中，所述手柄 1 转动套上的长凹槽 1A 的长度大于储能转动件 111 第一延伸臂
1111 的宽度，这样手柄 1 合闸或分闸开始时转动，其不会带动第一延伸臂 1111 转动，只有当长凹槽 1A 的一个侧壁与之接触后才实现第一延伸臂 1111
转动，所述储能转动件 111 上延伸设置有弹性限位臂 1113 ，弹性限位臂 1113 成弯曲设置，其顶端设置有圆形凸台 11131 ，所述底座 10
上设置有供弹性限位臂 1113 抵触的曲形限位台 101 ，该曲形限位台 101 的两侧设置有定位凹槽 1011 ，所述断路器在合闸或断开时弹性限位臂
1113 的圆形凸台 11131 分别置于对应的定位凹槽 1011 中，这样设置可以使储能转动件 111 在未受力转动的时候可以定位，防止它误工作。
在本发明实施例中，所述锁扣 7 上方延伸设置有可与跳扣 4 抵触配合限制跳扣 4 转动的抵触脚 71
，所述锁扣 7 下方设置有推动脚 72 和复位脚 73 ，其中推动脚 72 与断路器的脱扣器推杆对应设置，推杆可推动推动脚 72 转动从而实现锁扣 7
转动，锁扣 7 转动使跳扣 4 与抵触脚 71 之间的抵触解锁，这时动触头支架 5 在拉簧 8 的作用下可实现断路器分闸，所述复位脚 73
的顶端部设置有受力杆 731 ，所述锁扣扭簧 6 一端抵触在底座 10 的凸柱上，另一端抵触在受力杆 731 上，锁扣扭簧 6 对锁扣 7 的力使锁扣 7
推动脚 72 向推杆方向转动。
在本发明实施例中，所述动触头支架 5 位于底座 10 一侧上设置容腔 53 ，所述动触头 3
上端卡入容腔 53 实现与动触头支架 5 的固定连接，所述动触头支架 5 上的贯穿孔 51 为长通孔 51 ，长通孔 51 位于容腔部 53 ，所述动触头 3
上端设置有与动触头支架 5 的长通孔 51 对应的动触头长通孔 31 ，所述销轴 9 穿过长通孔 51 和动触头长通孔 31 设置，长通孔 51
和动触头长通孔 31 构成销轴的连接通孔，这样使动触头支架 5 与动触头 3 均受到销轴 9 的定位，运动比较稳固。
所述跳扣 4 上设置有卡台 41 ，所述抵触脚 71 上设置有与跳扣卡台 41 抵触配合的抵触肩阶
711 ，所述跳扣 4 上设置有供第一连杆 2 连接的连接通孔 42 。
本发明所揭示，乃较佳实施例的一种，凡局部变更或是修饰而源于本发明的技术思想而为熟悉该技术的人员所易于推知者，皆不脱本发明的专利范畴。
Claims (5)
- 一种小型断路器的动触头操作机构，包括有手柄、第一连杆、动触头、跳扣、动触头支架、锁扣扭簧、锁扣和拉簧，其中动触头固定设置在动触头支架上，动触头支架上设置有贯穿孔，贯穿孔内设置有销轴，该销轴的两端设置在断路器的底座和盖上，所述拉簧一端连接在动触头支架或\和动触头上，且与动触头支架或\和动触头的连接点位于贯穿孔的上方，拉簧的另一端固定连接在断路器的底座上或与底座固定连接的其他部件上，所述跳扣铰接设置在动触头支架的上端，跳扣与手柄之间通过第一连杆连接，所述锁扣转动设置在销轴上，其特征在于：还包括有动触头储能装置，动触头储能装置包括有储能转动件和储能抵触杆，所述储能转动件铰接设置在底座上，储能转动件上设置有第一延伸臂和第二延伸臂，所述手柄的转动套上设置有长凹槽，第一延伸臂的端部置于长凹槽内，所述第二延伸臂的端部与储能抵触杆的上端部铰接，所述储能抵触杆置于底座的两限位凸筋之间，长凹槽对称的两侧壁在手柄转动时可抵触第一延伸臂使之转动，从而带动储能转动件转动，储能转动件转动带动第二延伸臂摆动，第二延伸臂摆动实现储能抵触杆上下移动，所述动触头支架上设置有与储能抵触杆下端部对应的凸块，断路器断开时该凸块与储能抵触杆下端部隔开设置，断路器合闸过程中凸块从隔开逐步贴近直到抵触在储能抵触杆下端部的侧面，这时候手柄继续转动而动触头支架停止转动，最后手柄转动即将到位，储能抵触杆即将被储能转动件推到最高位置时凸块被储能抵触杆下端部的侧面释放，此时动触头支架带动动触头快速转动实现合闸。
- 根据权利要求1所述的小型断路器的动触头操作机构，其特征在于：所述手柄转动套上的长凹槽的长度大于储能转动件第一延伸臂的宽度，所述储能转动件上延伸设置有弹性限位臂，弹性限位臂成弯曲设置，其顶端设置有圆形凸台，所述底座上设置有供弹性限位臂抵触的曲形限位台，该曲形限位台的两侧设置有定位凹槽，所述断路器在合闸或断开时弹性限位臂的圆形凸台分别置于对应的定位凹槽中。
- 根据权利要求1或2所述的小型断路器的动触头操作机构，其特征在于：所述锁扣上方延伸设置有可与跳扣抵触配合限制跳扣转动的抵触脚，所述锁扣下方设置有推动脚和复位脚，其中推动脚与断路器的脱扣器推杆对应设置，推杆可推动推动脚转动从而实现锁扣转动，锁扣转动使跳扣与抵触脚之间的抵触解锁，这时动触头支架在拉簧的作用下可实现断路器分闸，所述复位脚的顶端部设置有受力杆，所述锁扣扭簧一端抵触在底座的凸柱上，另一端抵触在受力杆上，锁扣扭簧对锁扣的力使锁扣推动脚向推杆方向转动。
- 根据权利要求1或2的小型断路器的动触头操作机构，其特征在于：所述动触头支架位于底座一侧上设置容腔，所述动触头上端卡入容腔实现与动触头支架的固定连接，所述动触头支架上的贯穿孔为长通孔，长通孔位于容腔部，所述动触头上端设置有与动触头支架的长通孔对应的动触头长通孔，所述销轴穿过长通孔和动触头长通孔设置，所述跳扣上设置有卡台，所述抵触脚上设置有与跳扣卡台抵触配合的抵触肩阶，所述跳扣上设置有供第一连杆连接的连接通孔。
- 根据权利要的小型断路器的动触头操作机构，其特征在于：所述动触头支架位于底座一侧上设置容腔，所述动触头上端卡入容腔实现与动触头支架的固定连接，所述动触头支架的长通孔位于容腔部，所述动触头上端设置有与动触头支架的长通孔对应的动触头长通孔，所述销轴穿过长通孔和动触头长通孔设置，所述跳扣上设置有卡台，所述抵触脚上设置有与跳扣卡台抵触配合的抵触肩阶，所述跳扣上设置有供第一连杆连接的连接通孔。
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