CN210722911U

CN210722911U - Fixing device of contact linkage plate of loop metering circuit breaker

Info

Publication number: CN210722911U
Application number: CN201921649145.9U
Authority: CN
Inventors: 吕飚
Original assignee: Hubei Mingzeyuan Technology Co ltd
Current assignee: Hubei Mingzeyuan Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-09
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a fixing device of contact linkage board of return circuit measurement circuit breaker, including the circuit breaker casing, the top fixedly connected with mounting panel of circuit breaker casing, the center department at mounting panel top has seted up the spacing groove. The utility model discloses a set up the spacing groove, the stopper, first draw-in groove, the box, prevent shaking the mechanism, the fly leaf, first spring, draw the post, the second draw-in groove, draw the piece, the chucking case, second card post, the pull ring, the limiting plate, the second spring, first card post, third spring and cushion mutually support, the advantage that fixed effectual to the contact linkage plate has been reached, make the contact linkage plate when using, can effectually fix the contact linkage plate, prevent that the contact linkage plate from appearing becoming flexible or droing, it can normal use to have guaranteed that return circuit measurement circuit breaker can, the person of facilitating the use uses, thereby the practicality of the fixing device of the contact linkage plate of return circuit measurement circuit breaker has been improved.

Description

Fixing device of contact linkage plate of loop metering circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a fixing device of contact linkage plate of return circuit measurement circuit breaker.

Background

The circuit breaker is a switching device capable of closing, bearing and opening a current under a normal circuit condition and closing, bearing and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, the circuit can be automatically cut off when faults such as serious overload, short circuit, undervoltage and the like occur, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and parts are generally not required to be changed after the fault current is.

When the contact linkage plate of the loop metering circuit breaker is used, the fixing device of the contact linkage plate of the loop metering circuit breaker is needed, the fixing effect of the fixing device of the contact linkage plate of the existing loop metering circuit breaker is poor, the contact linkage plate is easy to loosen and even fall off when in use, the loop metering circuit breaker is damaged, and an inconvenient user uses the fixing device, so that the practicability of the fixing device of the contact linkage plate of the loop metering circuit breaker is reduced.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fixing device of contact linkage board of return circuit measurement circuit breaker possesses the fixed effectual advantage to the contact linkage board, and the fixing device who has solved current return circuit measurement circuit breaker's contact linkage board is fixed the effect not good, leads to the contact linkage board when using, appears becoming flexible easily and drops even, causes the problem that the return circuit measurement circuit breaker appears damaging.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device of a contact linkage plate of a loop metering circuit breaker comprises a circuit breaker shell, wherein a mounting plate is fixedly connected to the top of the circuit breaker shell, a limiting groove is formed in the center of the top of the mounting plate, a linkage plate body is arranged in an inner cavity of the limiting groove, limiting blocks are fixedly connected to two sides of the linkage plate body, first clamping grooves are formed in the front end and the rear end of the outer side of each limiting block, a box body is fixedly connected to two sides of the top of the mounting plate, anti-shaking mechanisms are arranged at the top and the bottom of the inner wall of the box body, a movable plate is fixedly connected to the inner side of each anti-shaking mechanism, first springs are fixedly connected to the top and the bottom of the outer side of the movable plate, the outer end of each first spring is fixedly connected with the inner wall of the box body, a pull column is fixedly connected to the center of the, the outer end of drawing the post runs through to the outside and the fixedly connected with of box and draws the piece, the top fixedly connected with chucking case in the box outside, the inner chamber of chucking case is provided with second card post, the top of second card post runs through to the top and the fixedly connected with pull ring of chucking case, the fixed surface of second card post is connected with the limiting plate, the top cover on second card post surface is equipped with the second spring, the inboard front end of fly leaf and the first card post of the equal fixedly connected with in rear end, the surface cover of first card post is equipped with the third spring, the one end that the fly leaf was kept away from to first card post runs through to the inner chamber of first draw-in groove.

Preferably, the anti-shaking mechanism comprises a sliding sleeve, the inner side of the sliding sleeve is fixedly connected with the outer side of the movable plate, the inner cavity of the sliding sleeve is slidably connected with a sliding column, two ends of the sliding column are fixedly connected with fixing blocks, and the outer side of the fixing block is fixedly connected with the inner wall of the box body.

Preferably, the inner wall of the first clamping groove is fixedly connected with a cushion pad, and cushion rubber is arranged in the cushion pad.

Preferably, two ends of the third spring are respectively fixedly connected with the inner side of the movable plate and the inner wall of the box body, and an inner cavity of the third spring is sleeved on the surface of the first clamping column.

Preferably, the inner cavity of the second spring is sleeved at the top of the surface of the second clamping column, and the two ends of the second spring are fixedly connected with the top of the limiting plate and the top of the inner wall of the clamping box respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a fixing device of contact linkage plate of return circuit measurement circuit breaker possesses following beneficial effect:

1. the utility model achieves the advantage of good fixing effect on the contact linkage plate by arranging the limiting groove, the limiting block, the first clamping groove, the box body, the anti-shaking mechanism, the movable plate, the first spring, the pull column, the second clamping groove, the pull block, the clamping box, the second clamping column, the pull ring, the limiting plate, the second spring, the first clamping column, the third spring and the buffer pad to be mutually matched, solves the problem that the fixing effect of the fixing device of the contact linkage plate of the existing loop metering circuit breaker is not good, so that the contact linkage plate is used, the problem that the circuit metering breaker is damaged due to looseness and even falling is easy to occur, so that when the contact linkage plate is used, the fixing device can effectively fix the contact linkage plate, prevents the contact linkage plate from loosening or falling off, ensures that the circuit metering circuit breaker can be normally used, and is convenient for a user to use, thereby improving the practicability of the fixing device of the contact linkage plate of the circuit metering circuit breaker.

2. The utility model has the advantages that the limiting groove is arranged to limit the linkage plate body and prevent the linkage plate body from loosening after being fixed, the limiting block, the first clamping groove and the first clamping column are arranged, the device plays a role in limiting and fixing the linkage plate body, solves the problem that the linkage plate body falls off after being fixed, and is provided with the anti-shaking mechanism, the anti-shaking function is performed on the movable plate, the problem that the movable plate shakes during use is solved, the stability of the movable plate during use is improved, and by arranging the second clamping groove and the second clamping column, plays a role in clamping the pull column, solves the problem that the first clamping column is easy to be separated from the inner cavity of the first clamping groove, through setting up the blotter, play the effect of first card post of protection and first draw-in groove, solved first card post and first draw-in groove and produced the collision, cause first card post and first draw-in groove to appear the problem of damaging.

Drawings

4. FIG. 1 is a schematic structural view of the present invention;

5. FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

6. FIG. 3 is a schematic top view of the present invention;

7. fig. 4 is a front sectional view of the clamping box of the present invention.

8. In the figure: the circuit breaker comprises a circuit breaker shell 1, a mounting plate 2, a limiting groove 3, a linkage plate body 4, a limiting block 5, a first clamping groove 6, a box body 7, an anti-shaking mechanism 8, a sliding sleeve 81, a sliding column 82, a fixing block 83, a movable plate 9, a first spring 10, a pull column 11, a second clamping groove 12, a pull block 13, a clamping box 14, a second clamping column 15, a pull ring 16, a limiting plate 17, a second spring 18, a first clamping column 19, a third spring 20 and a cushion pad 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a fixing device for a contact linkage plate of a loop metering circuit breaker comprises a circuit breaker shell 1, a mounting plate 2 is fixedly connected to the top of the circuit breaker shell 1, a limiting groove 3 is formed in the center of the top of the mounting plate 2, a linkage plate body 4 is arranged in the inner cavity of the limiting groove 3, limiting blocks 5 are fixedly connected to both sides of the linkage plate body 4, first clamping grooves 6 are formed in both the front end and the rear end of the outer side of each limiting block 5, a box body 7 is fixedly connected to both sides of the top of the mounting plate 2, anti-shaking mechanisms 8 are arranged at both the top and the bottom of the inner wall of the box body 7, a movable plate 9 is fixedly connected to the inner side of each anti-shaking mechanism 8, first springs 10 are fixedly connected to both the top and the bottom of the outer side of the movable plate 9, the outer ends of the first springs 10, the two sides of the top of the pull column 11 are both provided with a second clamping groove 12, the outer end of the pull column 11 penetrates to the outside of the box body 7 and is fixedly connected with a pull block 13, the top of the outside of the box body 7 is fixedly connected with a clamping box 14, the inner cavity of the clamping box 14 is provided with a second clamping column 15, the top of the second clamping column 15 penetrates to the top of the clamping box 14 and is fixedly connected with a pull ring 16, the surface of the second clamping column 15 is fixedly connected with a limiting plate 17, the top of the surface of the second clamping column 15 is sleeved with a second spring 18, the front end and the rear end of the inner side of the movable plate 9 are both fixedly connected with a first clamping column 19, the surface of the first clamping column 19 is sleeved with a third spring 20, one end of the first clamping column 19, which is far away from the movable plate 9, penetrates to the inner cavity of the first clamping groove 6, the anti-sway mechanism 8 comprises a sliding sleeve 81, the inner side of the sliding sleeve 81 is fixedly connected, the outer side of the fixed block 83 is fixedly connected with the inner wall of the box body 7, the inner wall of the first clamping groove 6 is fixedly connected with a cushion pad 21, a cushion rubber is arranged in the cushion pad 21, two ends of a third spring 20 are respectively fixedly connected with the inner side of the movable plate 9 and the inner wall of the box body 7, an inner cavity of the third spring 20 is sleeved on the surface of the first clamping column 19, an inner cavity of the second spring 18 is sleeved on the top of the surface of the second clamping column 15, two ends of the second spring 18 are respectively fixedly connected with the top of the limiting plate 17 and the top of the inner wall of the clamping box 14, the limiting groove 3 is arranged to play a limiting role in limiting the linkage plate body 4 and prevent the linkage plate body 4 from loosening after being fixed, the limiting block 5, the first clamping groove 6 and the first clamping column 19 are arranged to play a limiting and fixing role in limiting the linkage plate body 4, and the problem that the linkage plate, through setting up anti-shake mechanism 8, play the effect of anti-shake to fly leaf 9, the problem that the fly leaf 9 rocked when using has been solved, stability when having increased fly leaf 9 and using, through setting up second draw-in groove 12 and second card post 15, play the effect of chucking to pull post 11, the problem that first card post 19 breaks away from first draw-in groove 6 inner chamber has easily been solved, through setting up blotter 21, play the effect of protection first card post 19 and first draw-in groove 6, it produces the collision to have solved first card post 19 and first draw-in groove 6, cause first card post 19 and first draw-in groove 6 to appear the problem of damaging, through setting up spacing groove 3, stopper 5, first draw-in groove 6, box 7, anti-shake mechanism 8, fly leaf 9, first spring 10, pull post 11, second draw-in groove 12, pull block 13, chucking case 14, second card post 15, pull ring 16, limiting plate 17, second spring 18, First card post 19, third spring 20 and buffer pad 21 mutually support, reached the fixed effectual advantage of contact linkage board, it is not good to have solved the fixed effect of the fixing device of the contact linkage board of current return circuit measurement circuit breaker, lead to the contact linkage board when using, it is not hard up to appear easily or even drop, cause the problem that the return circuit measurement circuit breaker damaged to appear, make the contact linkage board when using, can effectually fix the contact linkage board, prevent that the contact linkage board from appearing not hard up or dropping, it can normal use to have guaranteed that the return circuit measurement circuit breaker can, convenience of customers uses, thereby the practicality of the fixing device of the contact linkage board of return circuit measurement circuit breaker has been improved.

When the linkage plate is used, a user firstly pulls the pull ring 16, the pull ring 16 drives the second clamping column 15 to start moving, the second clamping column 15 moves to pull the limiting plate 17 to extrude towards the second spring 18, meanwhile, the second clamping column 15 leaves the inner cavity of the second clamping groove 12, then, when the worker pulls the pull block 13, the pull block 13 moves to drive the pull column 11 to start moving, the pull column 11 moves to drive the movable plate 9 to start moving, the movable plate 9 and the driving sliding sleeve 81 start sliding on the surface of the sliding column 82, so that the movable plate 9 moves stably, the movable plate 9 moves to extrude towards the first spring 10, the movable plate 9 moves to drive the first clamping column 19 to contract towards the inner cavity of the box body 7, then, the user loosens the pull ring 16, the second clamping column 15 and the limiting plate 17 are reset through the elastic force of the second spring 18, meanwhile, the second clamping column 15 is clamped into the second clamping groove 12 on the inner side, and then, the user places the, then the pull ring 16 is worked, the pull ring 16 drives the second clamping column 15 to start moving, the second clamping column 15 moves to pull the limiting plate 17 to extrude the second spring 18, so that the second clamping column 15 leaves the inner cavity of the second clamping groove 12, then the movable plate 9, the pull column 11 and the first clamping column 19 are reset by the elastic force of the first spring 10 and the third spring 20, the first clamping column 19 is clamped into the inner cavity of the first clamping groove 6 after being reset, then the pull ring 16 is released, the second clamping column 15 and the limit plate 17 are reset by the elastic force of the second spring 18, meanwhile, the second clamping column 15 is clamped into the second clamping groove 12 at the outer side, so that when the contact linkage plate is used, the circuit breaker can be effectively fixed on the contact linkage plate, the contact linkage plate is prevented from loosening or falling off, normal use of the circuit breaker is guaranteed, and the circuit breaker is convenient to use by a user, so that the advantage of good fixing effect on the contact linkage plate is achieved.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.

In conclusion, the fixing device of the contact linkage plate of the circuit metering breaker solves the problem that the fixing device of the contact linkage plate of the existing circuit metering breaker is not good in fixing effect, so that the contact linkage plate is easy to loosen and even fall off when the contact linkage plate is used, and the circuit metering breaker is damaged due to the fact that the fixing device is not good in fixing effect through the limiting groove 3, the limiting block 5, the first clamping groove 6, the box body 7, the anti-shaking mechanism 8, the movable plate 9, the first spring 10, the pull column 11, the second clamping groove 12, the pull block 13, the clamping box 14, the second clamping column 15, the pull ring 16, the limiting plate 17, the second spring 18, the first clamping column 19, the third spring 20 and the buffer pad 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixing device of contact linkage board of return circuit measurement circuit breaker, includes circuit breaker casing (1), its characterized in that: the top of the breaker shell (1) is fixedly connected with a mounting plate (2), a limiting groove (3) is formed in the center of the top of the mounting plate (2), a linkage plate body (4) is arranged in an inner cavity of the limiting groove (3), limiting blocks (5) are fixedly connected to two sides of the linkage plate body (4), first clamping grooves (6) are formed in the front end and the rear end of the outer side of each limiting block (5), a box body (7) is fixedly connected to two sides of the top of the mounting plate (2), anti-shaking mechanisms (8) are arranged at the top and the bottom of the inner wall of the box body (7), a movable plate (9) is fixedly connected to the inner side of each anti-shaking mechanism (8), first springs (10) are fixedly connected to the top and the bottom of the outer side of each movable plate (9), and the outer ends of the first springs (10) are fixedly connected with the inner wall, the center of fly leaf (9) outside is located fixedly connected with and is drawn post (11), draw the both sides at post (11) top and all seted up second draw-in groove (12), the outer end of drawing post (11) runs through to the outside of box (7) and fixedly connected with draws piece (13), the top fixedly connected with chucking case (14) in the box (7) outside, the inner chamber of chucking case (14) is provided with second calorie of post (15), the top of second calorie of post (15) runs through to the top of chucking case (14) and fixedly connected with pull ring (16), the fixed surface of second calorie of post (15) is connected with limiting plate (17), the top cover on second calorie of post (15) surface is equipped with second spring (18), the equal fixedly connected with first calorie of post (19) of front end and the rear end of fly leaf (9) inboard, the surface cover of first calorie of post (19) is equipped with third spring (20), one end, far away from the movable plate (9), of the first clamping column (19) penetrates through an inner cavity of the first clamping groove (6).

2. The fixing device of the contact linkage plate of the circuit metering breaker as claimed in claim 1, wherein: the anti-shaking mechanism (8) comprises a sliding sleeve (81), the inner side of the sliding sleeve (81) is fixedly connected with the outer side of the movable plate (9), a sliding column (82) is slidably connected with the inner cavity of the sliding sleeve (81), fixing blocks (83) are fixedly connected to the two ends of the sliding column (82), and the outer side of each fixing block (83) is fixedly connected with the inner wall of the box body (7).

3. The fixing device of the contact linkage plate of the circuit metering breaker as claimed in claim 1, wherein: the inner wall of the first clamping groove (6) is fixedly connected with a cushion pad (21), and cushion rubber is arranged in the cushion pad (21).

4. The fixing device of the contact linkage plate of the circuit metering breaker as claimed in claim 1, wherein: the two ends of the third spring (20) are respectively fixedly connected with the inner side of the movable plate (9) and the inner wall of the box body (7), and the inner cavity of the third spring (20) is sleeved on the surface of the first clamping column (19).

5. The fixing device of the contact linkage plate of the circuit metering breaker as claimed in claim 1, wherein: the inner cavity of the second spring (18) is sleeved at the top of the surface of the second clamping column (15), and the two ends of the second spring (18) are fixedly connected with the top of the limiting plate (17) and the top of the inner wall of the clamping box (14) respectively.