CN209526057U - A kind of breaker quickly and efficiently terminals - Google Patents

Abstract

The utility model belongs to a kind of connecting terminal, more particularly to a kind of breaker quickly and efficiently terminals, including the lower tension disc for being electrically connected with external cable, its top is provided with tension disc, disc cam is provided with above upper tension disc, disc cam is rotatablely connected by shaft A and breaker body, the center of disc cam offers square breach, sliding is provided with shaft B in square breach, the center of top of upper tension disc is fixedly installed rotating shaft C, it is connected with connecting rod between rotating shaft C and shaft B, is provided with compressed spring A between the top and square breach of shaft B；Shaft A is pierced by from the side of breaker body and is fixedly connected with locating rod, and several location holes are offered on the lateral wall of breaker body for limiting the position of locating rod.The utility model can effectively solve the convenience of the grafting of existing leakage circuit breakers terminals external cable and the problem of firmness of the connection cannot be taken into account well, and crimping operation is more smooth.

Description

A kind of breaker quickly and efficiently terminals

Technical field

The utility model belongs to a kind of connecting terminal more particularly to a kind of breaker quickly and efficiently terminals.

Background technique

Leakage circuit breakers is the switch of energy auto-action when leakage current is more than predetermined value in circuit, is had for Electrical Safety There is very important Protection significance.

The terminals position of breaker now generally includes bolt, top board and loading plate, is rotated down by bolt It drives top board to move towards loading plate, cable is fixed between top board and loading plate, and by continuing to rotate bolt reality Existing both top board and loading plate only clamp cable, but the operation of this structure is relatively complicated, first of all, it is necessary to rotate spiral shell Bolt, which is realized, is separated to enough distances between top board and loading plate, to facilitate being successively inserted into for cable, if top board and held The distance between support plate is not big enough, it is more likely that causes cable that cannot successfully fill in, leads to connection failure, especially for now Many terminals are all positioned at the inside of leakage circuit breakers, it is not easy to be observed, then having is exactly that either insertion cable still pulls out Cable is required to rotation bolt out, and such operation is very time-consuming laborious, and working efficiency is low.

The published utility model patent " leakage circuit breakers " (publication number: CN205621681) of China, as shown in Figure 1, logical Setting limiting section (6) above conductive plate is crossed, limiting section (6) and leakage circuit breakers ontology (1) are rotatablely connected, conductive plate and electric leakage Elastic component is provided between breaker body (1), limiting section (6) is clamped in external cable (4) by rotating compression elastic piece Between limiting section (6) and conductive plate, to realize the problem of being attached without using screwdriver, however, a problem that though it is more traditional in use Technical solution it is convenient, but there is new security risk, i.e., because the presence of elastic component leads to squeezing between cable and conductive plate It is very firm that pressure does not ensure that, since there is certain elasticity, then squeezes and is difficult to guarantee dynamics, is easy in slightly pullling Cable is caused to be extracted；Furthermore the distance between limit plate and conductive plate can make tune according to the thickness of cable because of the presence of elastic component It is whole, but this adjustment can not give enough extruding dynamics, distance adjustment be made merely by the elasticity of elastic component, because of bullet Property variation range it is larger cause squeeze the bad grasp of firmness, have some potential safety problems.

Clamping is not tight when cable is meticulous；When crossing thick, because conductive plate is boosted upwards by spring, between conductive plate and limiting section Distance cannot be sufficiently large, cause insertion inconvenient.

From the foregoing, it will be observed that the convenient firmness connected with cable of the grafting of breaker terminal cable cannot be taken into account well.

Utility model content

According to the above-mentioned deficiencies of the prior art, the utility model provides a kind of breaker quickly and efficiently terminals, energy The convenience and firmness of the connection for effectively solving the grafting of existing leakage circuit breakers terminals external cable cannot be taken into account well The problem of.

The technical solution that the technical issues of the utility model solves uses are as follows:

A kind of breaker quickly and efficiently terminals, including the lower tension disc for being electrically connected with external cable, the pushing Tension disc is provided with above line plate, the left and right sides middle-end of the upper tension disc is provided with square protruding, the lower crimping Offer a square aperture on breaker body side wall at left and right sides of plate, the square protruding slide up and down be set to it is rectangular In opening, shape, the size of the square protruding are matched with the shape of square aperture, size；

Disc cam is provided with above the upper tension disc, the disc cam is turned by shaft A and breaker body Dynamic connection, the center of the disc cam offer square breach, and the left and right sidewall of the square breach offers sliding slot, institute It states sliding in square breach and is provided with shaft B, the left and right ends of the shaft B are slideably positioned in the sliding slot of the left and right sides respectively Interior, the center of top of the upper tension disc is fixedly installed rotating shaft C, and connecting rod is connected between the rotating shaft C and shaft B, described The upper and lower ends end of connecting rod is hinged with shaft B, rotating shaft C respectively, the top of the shaft B and the neighbouring shaft A of square breach One end inner sidewall between be provided with compressed spring A；

The shaft A is pierced by from the side of breaker body and is fixedly connected with locating rod, and the locating rod is that L shape is curved Folding, the locating rod have orthogonal arm end A and arm end B, and the arm end A is equal with the right outside sidewall of breaker body The right outside sidewall of row, the arm end B and breaker body is perpendicular and extends towards the right outside sidewall of breaker body, described disconnected Several location holes are offered on the lateral wall of road device ontology, the center of several location holes is respectively positioned on the circle centered on shaft On arc, the shape of the location hole, the shape of size and arm end B, size cooperate.

When one end of the separate shaft A of disc cam compresses tension disc downwards, external cable can be pressed in above and below Between tension disc, the upper extreme direction of shaft B to square breach is mobile at this time and squeezes compressed spring A, because lower crimping board bottom portion does not have Flexible part, therefore its position is stablized, and the position of disc cam can be determined in different location holes by locating rod, in turn Height of the tension disc in vertical plane is determined, so that terminals are suitable for the fixation of various sizes of external cable.

During disc cam presses down on upper tension disc, compressed spring A pushes shaft B far from shaft A, and dish type The movement tendency of cam also gives mono- downward power of shaft B, which is transmitted in rotating shaft C by connecting rod and is transmitted to upper pressure On line plate, so upper tension disc is by the downward power from center, because square protruding also is located at crimping when moving downward The middle-end in the front-back direction of plate, or more tension disc be easier realize move downward.

When unloading external connection cable or when in order to allow external cable to be inserted between upper and lower tension disc, rotating shaft A, control The position of disc cam in space, the one end for making it away from shaft A move up, then shaft B is driven upwards while being pressed Contracting spring A is pushed out, because the left and right sides of upper tension disc is equipped with the square protruding slided in square aperture, is pressed above Line plate only can be mobile in vertical direction, so drive rotating shaft C to also move up by connecting rod, and then realizes and goes up tension disc to moving up Dynamic, the space separated between upper tension disc and lower tension disc is bigger compared with space in the prior art, and more convenient external cable is put into.

Further, gap is equipped with compressed spring B on the shaft A, and the compressed spring B is located at disc cam and determines Between the bar of position, one end end of the compressed spring B is fixedly connected with a side of disc cam, the compressed spring B's Other end end is fixedly connected with the side wall of breaker body.The elastic force of compressed spring B makes disc cam always and has and open circuit One of device ontology mutually separates close to the side wall of locating rod, i.e., under the drive of compressed spring B, the arm end B of locating rod has always Have the tendency that being inserted into location hole；When needing to change the location hole where the B of arm end, manpower pulls out one end end of shaft A, So that compressed spring B is in more compressive state, with realize arm end B from originally location hole in pull out, where changing arm end B Location hole, that is, change the position of disc cam, also just change the distance between tension disc and lower tension disc, into And it is suitable for the external cable of different-diameter size.

Further, the shaft A is vertically fixedly connected with control-rod after being pierced by from the side wall of breaker body.It can set Set that shaft A is vertical with the middle part of control-rod to be fixedly connected, the effect of control-rod is conveniently to pull out shaft A, and facilitate rotation Axis A walk around to change the position of disc cam.

Further, the bottom of the upper tension disc is provided with several raised lines from front to back, and each raised line is a left side Right direction setting.

Further, the raised line selects rubber material production.The setting of raised line increases tension disc and external cable Friction, increase the fixed stability of cable.

Further, one end of the compressed spring A is fixedly connected with the inner sidewall of square breach, and the other end passes through one Support structure and shaft B are hinged, and the support construction includes transverse slat and two changes, and the middle-end of the compressed spring A and transverse slat is solid Fixed connection, two changes are respectively perpendicular the both ends end for being fixedly connected on transverse slat, and the change gap is placed on shaft B On, and the two sides of connecting rod are distributed in, the cross bar is parallel to each other with shaft B.

The utility model has the following beneficial effects: the terminals of (1) the utility model whole process do not need using Screwdriver can control upper tension disc relative between lower tension disc when rotating shaft A control disc cam movement by connecting rod Distance, the distance between upper tension disc and lower tension disc increase when, compared with the existing technology more convenient for external cable insert Enter, and rotating shaft is only needed just to realize the load or unload of cable, it is swift to operate；(2) simultaneously, multiple location holes can be realized Clamping to different size cables is pressed from both sides between tension disc and lower tension disc in realization because pressing down on upper tension disc when cam When holding cable, elastic component is not present in lower crimping board bottom portion, that is, descending tension disc, there is no certain up and down ranges, so positioning It can guarantee upper tension disc and lower tension disc after upper tension disc to the stability of cable extrusion, compared with the prior art to external electricity The fixation of cable has better fastness and stability；(3) in addition, when control disc cam rotation is downward to control upper tension disc When crimping, because the movement of disc cam can be transmitted in rotating shaft C by compressed spring A, shaft B and connecting rod, and then transmit To upper tension disc, rotating shaft C is located at the center of upper tension disc, the above tension disc by downward component be from its center apply, It is more advantageous to the upper tension disc of promotion to move downward, keeps the extrusion process to external cable more smooth.

Detailed description of the invention

Fig. 1 is the structural upright schematic diagram of the breaker of the prior art in background technique；

Fig. 2 is the positive structure diagram of the provided embodiment of the utility model；

Fig. 3 is the partial cross right side view of the provided embodiment of the utility model；

Fig. 4 is the part right side view of the provided embodiment of the utility model；

Fig. 5 is the right side view of upper tension disc in Fig. 2；

Fig. 6 is the combining structure schematic diagram of transverse slat and change in Fig. 2；

In figure: 1, breaker body 11, location hole 20, lower tension disc 21, square aperture 30, upper tension disc 301, Rotating shaft C 31, square protruding 32, compressed spring A 33, raised line 4, external cable 40, disc cam 401, square breach 4011, sliding slot 402, shaft B 41, shaft A 42, locating rod 421, arm end A 422, arm end B 43, compressed spring B 44, control Bar 5 processed, connecting rod 2, link slot 6, limiting section 71, transverse slat 72, change.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

Embodiment one:

As shown in Figure 1, being breaker in the prior art and its terminal structure, the design of the utility model is to scheme In 1 based on the structure of existing breaker body, for improvement made by its terminals, so, the utility model is mentioned And breaker body structural reference Fig. 1 in the prior art, the breaker terminal of the utility model is also disposed on existing Have in the link slot 2 in technology (Fig. 1), lower tension disc 20 is placed on the interior lower end end face of link slot 2.

As shown in Fig. 2~Fig. 6, a kind of breaker described in the utility model quickly and efficiently terminals, including for it is outer The lower tension disc 20 of the electrical connection of cable 4 is connect, the top of the lower tension disc 20 is provided with tension disc 30, the upper tension disc 30 Left and right sides middle-end be provided with square protruding 31, opened on 1 side wall of breaker body of lower 20 left and right sides of tension disc Equipped with a square aperture 21, the square protruding 31, which slides up and down, to be set in square aperture 21, the shape of the square protruding 31 Shape, size are matched with the shape of square aperture 21, size；The top of the upper tension disc 30 is provided with disc cam 40, institute It states disc cam 40 to be rotatablely connected by shaft A41 and breaker body 1, the center of the disc cam 40 offers rectangular lack Mouth 401, the left and right sidewall of the square breach 401 offer sliding slot 4011, and sliding, which is provided with, in the square breach 401 turns Axis B402, the left and right ends of the shaft B402 are slideably positioned in respectively in the sliding slot 4011 of the left and right sides, the upper tension disc 30 center of top is fixedly installed rotating shaft C 301, and connecting rod 5, the connecting rod are connected between the rotating shaft C 301 and shaft B402 5 upper and lower ends end is hinged with shaft B402, rotating shaft C 301 respectively, top and the square breach 401 of the shaft B402 Compressed spring A32 is provided between one end inner sidewall of neighbouring shaft A41；The shaft A41 is worn from the side of breaker body 1 Out and it is fixedly connected with locating rod 42, the locating rod 42 is the bending of L shape, and the locating rod 42 has orthogonal arm end A421 and arm end B422, the arm end A421 is parallel with the right outside sidewall of breaker body 1, the arm end B422 and breaker The right outside sidewall of ontology 1 is perpendicular and extends towards the right outside sidewall of breaker body 1, the lateral wall of the breaker body 1 On offer several location holes 11, the center of several location holes 11 is respectively positioned on the circular arc centered on shaft 41, described The shape of location hole 11, the shape of size and arm end B422, size cooperate.

When one end of the separate shaft A41 of disc cam 40 compresses tension disc 30 downwards, external cable 4 can be compressed Between upper and lower tension disc, the upper extreme direction of shaft B402 to square breach 401 is mobile at this time and squeezes compressed spring A32, because Lower 20 bottom of tension disc does not have elastic component, therefore its position is stablized, and the position of disc cam 40 can be by locating rod 42 not With determining in location hole 11, and then height of the tension disc 30 in vertical plane is determined, so that terminals are suitable for difference The fixation of the external cable 4 of size.

During disc cam 40 presses down on upper tension disc 30, compressed spring A32 pushes shaft B402 is separate to turn Axis A41, and the movement tendency of disc cam 40 also gives mono- downward power of shaft B402, which is transmitted to by connecting rod 5 turns It on axis C301 and then is transmitted on tension disc 30, so when moving downward, upper tension disc 30 is by downward from center Power because square protruding 31 also is located at the middle-end in the front-back direction of tension disc 30, or more tension disc 30 be easier realize to Lower movement.

When unloading external connection cable 4 or when in order to allow external cable 4 to be inserted between upper and lower tension disc, rotating shaft A41, Control the position in space of disc cam 40, the one end for making it away from shaft A41 moves up, then shaft B402 be driven to It is upper to be pushed out simultaneously by compressed spring A32, because the left and right sides of upper tension disc 30 is equipped with and to slide in square aperture 21 Square protruding 31, or more 30 meetings of tension disc it is mobile in vertical direction, so driving the also Xiang Shangyi of rotating shaft C 301 by connecting rod 5 It is dynamic, and then realize that upper tension disc 30 moves up, the space separated between upper tension disc 30 and lower tension disc 20 is compared with the prior art Middle space is bigger, and more convenient external cable 4 is put into.

Further, gap is equipped with compressed spring B43 on the shaft A41, and it is convex that the compressed spring B43 is located at dish type Between wheel 40 and locating rod 42, one end end of the compressed spring B43 is fixedly connected with a side of disc cam 40, institute The other end end for stating compressed spring B43 is fixedly connected with the side wall of breaker body 1.The elastic force of compressed spring B43 makes disk Shape cam 40 has always mutually to be separated with a side wall close to locating rod 42 of breaker body 1, i.e. the band in compressed spring B43 Under dynamic, the arm end B422 of locating rod 42 has the trend of insertion location hole 11 always；Determine where needing to change arm end B422 When the hole 11 of position, manpower pulls out one end end of shaft A41, so that compressed spring B43 is in more compressive state, to realize Arm end B422 from originally location hole 11 in pull out, change the location hole 11 where the B422 of arm end, that is, change dish type The position of cam 40 also just changes the distance between tension disc 30 and lower tension disc 20, and then is suitable for different-diameter ruler Very little external cable 4.

Further, the shaft A41 is vertically fixedly connected with control-rod 44 after being pierced by from the side wall of breaker body 1. It can be set that shaft A41 is vertical with the middle part of control-rod 44 to be fixedly connected, the effect of control-rod 44 is conveniently to pull out shaft A41, and facilitate rotating shaft A41 to change the position of disc cam 40.

Further, the bottom of the upper tension disc 30 is provided with several raised lines 33, each raised line 33 from front to back It is left and right directions setting.

Further, the raised line 33 selects rubber material production.The setting of raised line 33 increases tension disc 30 and outer The friction for connecing cable 4 increases the fixed stability of cable.

Further, one end of the compressed spring A32 is fixedly connected with the inner sidewall of square breach 401, and the other end is logical It crosses a support construction and shaft B402 is hinged, the support construction includes transverse slat 71 and two changes 72, the compressed spring A32 It is fixedly connected with the middle-end of transverse slat 71, two changes 72 are respectively perpendicular the both ends end for being fixedly connected on transverse slat 71, described Change gap is placed on shaft B402, and is distributed in the two sides of connecting rod 5, and the cross bar 71 is parallel to each other with shaft B402.

Specifically used process:

External cable is loaded, control-rod 44 is pulled out, so that arm end B422 deviates from out of location hole 11, rotation control rod 44, so that disc cam 40 tilts forward and up, upper tension disc 30 is moved up by the drive of connecting rod 5, when between upper and lower tension disc When being at a distance sufficiently large, external cable 4 is inserted between upper and lower tension disc, and rotates backward control-rod 44, until be no longer able to turn for Only, the arm end B422 of locating rod 42 is put into the location hole 11 of its position, completes external cable load；Unload download cable When, it is only necessary to the reverse operating above process.

The above is the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (6)

1. a kind of breaker quickly and efficiently terminals, including the lower tension disc for being electrically connected with external cable, it is characterised in that: Tension disc is provided with above the lower tension disc, the left and right sides middle-end of the upper tension disc is provided with square protruding, institute It states and offers a square aperture on the breaker body side wall at left and right sides of lower tension disc, the square protruding, which slides up and down, to be set It is placed in square aperture, shape, the size of the square protruding are matched with the shape of square aperture, size；The upper crimping Disc cam is provided with above plate, the disc cam is rotatablely connected by shaft A and breaker body, the disc cam Center offer square breach, the left and right sidewall of the square breach offers sliding slot, and sliding is set in the square breach It is equipped with shaft B, the left and right ends of the shaft B are slideably positioned in respectively in the sliding slot of the left and right sides, the top of the upper tension disc Portion center is fixedly installed rotating shaft C, and connecting rod, the upper and lower ends end part of the connecting rod are connected between the rotating shaft C and shaft B It is not hinged with shaft B, rotating shaft C, it is arranged between one end inner sidewall of the neighbouring shaft A at the top and square breach of the shaft B There is compressed spring A；The shaft A is pierced by from the side of breaker body and is fixedly connected with locating rod, and the locating rod is L shape Bending, the locating rod have orthogonal arm end A and arm end B, and the arm end A is equal with the right outside sidewall of breaker body The right outside sidewall of row, the arm end B and breaker body is perpendicular and extends towards the right outside sidewall of breaker body, described disconnected Several location holes are offered on the lateral wall of road device ontology, the center of several location holes is respectively positioned on the circle centered on shaft On arc, the shape of the location hole, the shape of size and arm end B, size cooperate.

2. breaker according to claim 1 quickly and efficiently terminals, it is characterised in that: gap is nested on the shaft A There is compressed spring B, the compressed spring B is between disc cam and locating rod, one end end of the compressed spring B and disk One side of shape cam is fixedly connected, and the other end end of the compressed spring B is fixedly connected with the side wall of breaker body.

3. breaker according to claim 2 quickly and efficiently terminals, it is characterised in that: the shaft A is from breaker sheet The side wall of body is vertically fixedly connected with control-rod after being pierced by.

4. breaker according to claim 1 quickly and efficiently terminals, it is characterised in that: the bottom of the upper tension disc from Front to back is provided with several raised lines, and each raised line is left and right directions setting.

5. breaker according to claim 4 quickly and efficiently terminals, it is characterised in that: the raised line selects rubber material Production.

6. breaker according to claim 1 quickly and efficiently terminals, it is characterised in that: one end of the compressed spring A It is fixedly connected with the inner sidewall of square breach, the other end is hinged by a support construction and shaft B, and the support construction includes cross Plate and two changes, the compressed spring A are fixedly connected with the middle-end of transverse slat, and two changes are respectively perpendicular and are fixedly connected on The both ends end of transverse slat, the change gap is placed on shaft B, and is distributed in the two sides of connecting rod, the transverse slat and shaft B phase It is mutually parallel.