阅读说明：本技术 一种用于跌落式熔断器的熔丝管 (Fuse tube for drop-out fuse ) 是由 王宏远 兰雯婷 龙思璇 杨凤生 王元峰 王冕 张轶灵 王林波 曾惜 杨金铎 张羿 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种用于跌落式熔断器的熔丝管,其包括熔丝管、第一连接件、第二连接件和弹性件,所述第一连接件和第二连接件上均设置有容置空间,所述熔丝管的一端伸入第一连接件的容置空间通过弹性件与所述第一连接件连接,所述熔丝管的另一端伸入第二连接件的容置空间通过弹性件与所述第二连接件连接；以及收卷组件,其包括第一收卷管、第二收卷管和旋转管,第一收卷管、第二收卷管和旋转管均设置在所述熔丝管上,所述第一收卷管连接所述第一连接件,所述第二收卷管连接所述第二连接件；本发明可以适应不同型号跌落式熔断器熔丝管长短不同的需要,当熔丝管脱落后,只需要更换熔丝管,而不再需要更换设备,节约了成本,提高了工作效率。(The invention discloses a fuse tube for a drop-out fuse, which comprises a fuse tube, a first connecting piece, a second connecting piece and an elastic piece, wherein accommodating spaces are respectively arranged on the first connecting piece and the second connecting piece; the winding assembly comprises a first winding pipe, a second winding pipe and a rotating pipe, the first winding pipe, the second winding pipe and the rotating pipe are all arranged on the fuse pipe, the first winding pipe is connected with the first connecting piece, and the second winding pipe is connected with the second connecting piece; the invention can adapt to the requirements of different types of drop-out fuse tubes with different lengths, and when the fuse tubes fall off, only the fuse tubes need to be replaced without replacing equipment, thereby saving the cost and improving the working efficiency.)

1. A fuse tube for a drop out fuse, comprising: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the fuse wire comprises a fuse wire tube (101), a first connecting piece (102), a second connecting piece (103) and an elastic piece (104), wherein both the first connecting piece (102) and the second connecting piece (103) are provided with accommodating spaces (T), one end of the fuse wire tube (101) extends into the accommodating space (T) of the first connecting piece (102) and is connected with the first connecting piece (102) through the elastic piece (104), and the other end of the fuse wire tube (101) extends into the accommodating space (T) of the second connecting piece (103) and is connected with the second connecting piece (103) through the elastic piece (104); and the number of the first and second groups,

the winding assembly (200) comprises a first winding pipe (201), a second winding pipe (202) and a rotating pipe (203), wherein the first winding pipe (201), the second winding pipe (202) and the rotating pipe (203) are arranged on the fuse pipe (101), the first winding pipe (201) is connected with the first connecting piece (102), and the second winding pipe (202) is connected with the second connecting piece (103).

2. The fuse tube for a drop-out fuse as recited in claim 1, wherein: the fuse tube (101) is vertically provided with a fixed shaft (101a) on the outer wall, the rotating tube (203) is sleeved on the fixed shaft (101a), and the first winding tube (201) and the second winding tube (202) are sequentially sleeved on the rotating tube (203).

3. The fuse tube for a drop-out fuse as recited in claim 1, wherein: a first clamping groove (201b), a first annular groove (201c) and a second clamping groove (201d) are arranged in the first coiling pipe (201) from a port connected with the second coiling pipe (202) inwards in sequence, the first clamping groove (201b), the first annular groove (201c) and the second clamping groove (201d) are communicated in sequence, and the depth of the first annular groove (201c) is not less than that of the first clamping groove (201b) and the second clamping groove (201 d);

the first clamping groove (201b) and the second clamping groove (201d) are identical in structure and size, and the first clamping groove (201b) and the second clamping groove (201d) are evenly distributed on the inner wall of the first winding pipe (201) in the circumferential direction.

4. The fuse tube for a drop-out fuse as claimed in claim 1 or 3, wherein: second receipts roll pipe (202) from the port department inwards set gradually second annular (202b) and third draw-in groove (202c), second annular (202b) and third draw-in groove (202c) intercommunication, third draw-in groove (202c) length has the twice of first draw-in groove (201b) and second draw-in groove (201d) at least, and third draw-in groove (202c) are in even circumference distribution on second receipts roll pipe (202) inner wall.

5. The fuse tube for a drop-out fuse as recited in claim 4, wherein: the inner diameter of the rotating pipe (203) is the same as that of the fixed shaft (101a), the outer diameter of the rotating pipe (203) is the same as that of the first coiling pipe (201) and the second coiling pipe (202), and the rotating pipe (203) is sleeved on the fixed shaft (101a) and penetrates through the first coiling pipe (201) and the second coiling pipe (202);

the rotating pipe (203) is provided with a first clamping block (203a) and a second clamping block (203b), the first clamping block (203a) moves in the first pipe winding pipe (201) and is matched with a first clamping groove (201b), a first annular groove (201c) and a second clamping groove (201d), the second clamping block (203b) moves in the second pipe winding pipe (202) and is matched with a second annular groove (202b) and a third clamping groove (202c), and a rotating handle (203c) is further arranged on the rotating pipe (203).

6. The fuse tube for a drop-out fuse as recited in claim 5, wherein: the fuse tube fixing device is characterized by further comprising a first fixing piece (301) and a second fixing piece (302), wherein the first fixing piece (301) and the second fixing piece (302) are identical in structure and are respectively arranged at two ends of the fuse tube (101).

7. The fuse tube for a drop-out fuse as recited in claim 6, wherein: the first fixing piece (301) and the second fixing piece (302) respectively comprise a pressing column (303) and an extrusion block (304), round holes (A) are formed in the first connecting piece (102) and the second connecting piece (103), round grooves (C) are formed in two ends of the fuse tube (101), and straight notches (B) are formed in outer walls of the two ends of the fuse tube;

the extrusion block (304) is arranged in the circular groove (C), and the pressing column (303) penetrates through the circular hole (A) and the straight groove opening (B) to be movably connected with the extrusion block (304).

8. The fuse tube for a drop-out fuse as recited in claim 7, wherein: a first traction rope (204) is wound on the first winding pipe (201), a second traction rope (205) is wound on the second winding pipe (202), the first traction rope (204) is connected with a pressing column (303) in the first fixing piece (301), and the second traction rope (205) is connected with the pressing column (303) in the second fixing piece (302).

9. The fuse tube for a drop-out fuse as claimed in claim 7 or 8, wherein: the extrusion block (304) comprises a first extrusion block (304a) and a second extrusion block (304b), the first extrusion block (304a) and the second extrusion block (304b) are vertically and symmetrically arranged in the circular groove (C), the bottoms of the first extrusion block (304a) and the second extrusion block (304b) are connected, and one end of the pressing column (303) is located between the first extrusion block (304a) and the second extrusion block (304 b).

10. The fuse tube for a drop-out fuse as recited in claim 9, wherein: the first fixing piece (301) and the second fixing piece (302) further comprise a sliding rod (305), vertical grooves (304c) are formed in the first extrusion block (304a) and the second extrusion block (304b), a square groove (303a) is formed in one end, located between the first extrusion block (304a) and the second extrusion block (304b), of the pressing column (303), the sliding rod (305) penetrates through the square groove (303a) and is embedded into the vertical groove (304c) in the first extrusion block (304a), and the other end of the sliding rod is embedded into the vertical groove (304c) in the second extrusion block (304 b).

Technical Field

The invention relates to the technical field of power grid fuses, in particular to a fuse tube for a drop-out fuse.

Background

The drop-out fuse is common electrical equipment of a power distribution network, is widely applied to a main line, a branch line and a distribution transformer area of a power distribution line, plays a role in protection, and achieves the function of removing faults. The fuse wire is fused when the fault is removed every time, and the fuse tube falls off. And also can cause the fuse tube to damage because long-term effects such as electric arc firing, thermochemical action and air oxidation, just need change the fuse tube this moment, and because the different fuse tubes of each producer's equipment model mismatch, not general, only solve the problem through changing whole equipment, so both wasted time and energy, influenced power supply reliability again.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that in the prior art, because the fuse tubes of different equipment models of manufacturers are not matched and are not universal, the potential safety hazard problem is solved only by replacing the whole fuse in the actual operation and maintenance of the distribution network, so that the manpower is increased, the equipment needs to be replaced by power failure, and the power supply reliability is seriously influenced.

In order to solve the technical problems, the invention provides the following technical scheme: a fuse tube for a drop-out fuse comprises a fuse tube, a first connecting piece, a second connecting piece and an elastic piece, wherein accommodating spaces are formed in the first connecting piece and the second connecting piece respectively; and the winding assembly comprises a first winding pipe, a second winding pipe and a rotating pipe, the first winding pipe, the second winding pipe and the rotating pipe are all arranged on the fuse pipe, the first winding pipe is connected with the first connecting piece, and the second winding pipe is connected with the second connecting piece.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the fuse wire tube is characterized in that a fixed shaft is vertically arranged on the outer wall of the fuse wire tube, the rotating tube is sleeved on the fixed shaft, and the first winding tube and the second winding tube are sequentially sleeved on the rotating tube.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: a first clamping groove, a first annular groove and a second clamping groove are sequentially formed in the first winding pipe from the end opening connected with the second winding pipe inwards, the first clamping groove, the first annular groove and the second clamping groove are sequentially communicated, and the depth of the first annular groove is not less than that of the first clamping groove and that of the second clamping groove; the first clamping groove and the second clamping groove are identical in structure and size, and are uniformly and circumferentially distributed on the inner wall of the first winding pipe.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: second rolling pipe sets gradually second annular and third draw-in groove inwards from the port department, second annular and third draw-in groove intercommunication, third draw-in groove length has the twice of first draw-in groove and second draw-in groove at least, and the third draw-in groove is in even circumference distribution on the second rolling pipe inner wall.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the inner diameter of the rotating pipe is the same as that of the fixed shaft, the outer diameter of the rotating pipe is the same as that of the first coiling pipe and that of the second coiling pipe, and the rotating pipe is sleeved on the fixed shaft and penetrates through the first coiling pipe and the second coiling pipe; the rotary pipe is provided with a first clamping block and a second clamping block, the first clamping block moves in the first winding pipe and is matched with the first clamping groove, the first annular groove and the second clamping groove, the second clamping block moves in the second winding pipe and is matched with the second annular groove and the third clamping groove, and the rotary pipe is further provided with a rotating handle.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the fuse tube fixing structure comprises a fuse tube and is characterized by further comprising a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are identical in structure and are arranged at two ends of the fuse tube respectively.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the first fixing piece and the second fixing piece respectively comprise a pressing column and an extrusion block, round holes are formed in the first connecting piece and the second connecting piece, round grooves are formed in two ends of the fuse tube, and straight notches are formed in outer walls of the two ends of the fuse tube; the extrusion block is arranged in the circular groove, and the pressing column penetrates through the circular hole and the straight groove opening to be movably connected with the extrusion block.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the first reeling pipe is wound with a first traction rope, the second reeling pipe is wound with a second traction rope, the first traction rope is connected with the pressing column in the first fixing piece, and the second traction rope is connected with the pressing column in the second fixing piece.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: the extrusion blocks comprise a first extrusion block and a second extrusion block, the first extrusion block and the second extrusion block are vertically and symmetrically arranged in the circular groove, the bottoms of the first extrusion block and the second extrusion block are connected, and one end of the pressing column is located between the first extrusion block and the second extrusion block.

As a preferable aspect of the fuse tube for a drop-out fuse of the present invention, wherein: first mounting and second mounting still include the slide bar, all set up on first extrusion piece and the second extrusion piece and erect the groove, the one end that the pressing post is located between first extrusion piece and the second extrusion piece sets up the square groove, the slide bar passes the square groove and the perpendicular groove on the perpendicular groove other end embedding second extrusion piece on the first extrusion piece of one end embedding.

The invention has the beneficial effects that: the telescopic connectors are arranged at the two ends of the fuse tube, so that the fuse tube can meet the requirements of different lengths of fuse tubes of different types of drop-out fuses, and when the fuse tubes fall off, only the fuse tubes need to be replaced without replacing equipment, so that the cost is saved, and the working efficiency is improved; the adjusting process is simple to operate, the connecting end at the top or the bottom of the fuse tube can be adjusted as required, and the adjusting process can be adjusted simultaneously, so that the replacing cost is greatly saved, and the adjusting process has a good effect in actual application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a connection diagram of a take-up assembly and a fuse tube in a first embodiment.

Fig. 2 is an internal structure view of the winding assembly in the first embodiment.

Fig. 3 is an overall sectional view of a fuse tube in a second embodiment.

Fig. 4 is a view showing a construction of a fixing member in the second embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, a first embodiment of the present invention provides a fuse tube for a drop-out fuse, which includes a fuse tube 101, a first connecting member 102, a second connecting member 103, and an elastic member 104, wherein the first connecting member 102 and the second connecting member 103 can be extended and contracted at two ends of the fuse tube 101 to adjust the length thereof to suit different types of fuses.

All be provided with accommodation space T on first connecting piece 102 and the second connecting piece 103, accommodation space T is circular space, can supply fuse tube 101 to stretch into, and is concrete, sets up elastic component 104 on two accommodation space T's the inside end wall, and the accommodation space T that the one end of fuse tube 101 stretched into first connecting piece 102 is connected with first connecting piece 102 through elastic component 104, and the accommodation space T that the other end of fuse tube 101 stretched into second connecting piece 103 is connected with second connecting piece 103 through elastic component 104.

The winding device further comprises a winding assembly 200 which comprises a first winding pipe 201, a second winding pipe 202 and a rotating pipe 203, specifically, a fixing shaft 101a is vertically arranged on the outer wall of the fuse pipe 101, the rotating pipe 203 is sleeved on the fixing shaft 101a, the first winding pipe 201 and the second winding pipe 202 are sequentially sleeved on the rotating pipe 203, the inner diameter of the rotating pipe 203 is the same as that of the fixing shaft 101a, the outer diameter of the rotating pipe 203 is the same as that of the first winding pipe 201 and that of the second winding pipe 202, and the rotating pipe 203 is sleeved on the fixing shaft 101a and penetrates through the first winding pipe 201 and the second winding pipe 202.

Further, a first clamping groove 201b, a first annular groove 201c and a second clamping groove 201d are arranged inwards in the first reeling pipe 201 from a port connected with the second reeling pipe 202 in sequence, the first clamping groove 201b, the first annular groove 201c and the second clamping groove 201d are communicated in sequence, the first clamping groove 201b and the second clamping groove 201d are identical in structure and size, and the first clamping groove 201b and the second clamping groove 201d are evenly and circumferentially distributed on the inner wall of the first reeling pipe 201 to enable the distance between the two adjacent first clamping grooves 201b and the second clamping grooves 201d to be short.

Further, a second annular groove 202b and a third clamping groove 202c are sequentially formed in the second winding pipe 202 from the port to the inside, specifically, the second annular groove 202b is communicated with the third clamping groove 202c, the length of the third clamping groove 202c is at least twice that of the first clamping groove 201b and the second clamping groove 201d, and the third clamping grooves 202c are evenly and circumferentially distributed on the inner wall of the second winding pipe 202.

The rotating tube 203 is provided with a first latch 203a and a second latch 203b, specifically, the shape and size of the first latch 203a are the same as those of the first latch slot 201b and the second latch slot 201d, the first latch 203a moves in the first winding tube 201 and is matched with the first latch slot 201b, the first annular slot 201c and the second latch slot 201d, and the second latch 203b moves in the second winding tube 202 and is matched with the second annular slot 202b and the third latch slot 202 c.

A first traction rope 204 is wound on the first reel pipe 201, a second traction rope 205 is wound on the second reel pipe 202, specifically, the first traction rope 204 is connected with the first connecting piece 102, and the second traction rope 205 is connected with the second connecting piece 103

When the first latch 203a is located in the first slot 201b, the second latch 203b is located in the second annular groove 202b, the rotating tube 203 rotates, the first latch 203a and the first slot 201b are engaged to drive the first winding tube 201 to rotate, and the first pulling rope 204 pulls or releases the first connecting element 102.

The rotating tube 203 is pushed in, the first latch 203a enters the first annular groove 201c, the second latch 203b enters the third annular groove 202c, the rotating tube 203 rotates the second latch 203b to engage with the third annular groove 202c to drive the second winding tube 202 to rotate, and then the second traction rope 2054 pulls or releases the second connecting piece,

the rotating tube 203 is continuously pushed, the first clamping block 203a enters the second clamping groove 201d, the second clamping block 203b is still in the third clamping groove 202c at the moment, the rotating tube 203 rotates, the first clamping block 203a is clamped with the first clamping groove 201b to drive the first winding tube 201 to rotate, the second clamping block 203b is clamped with the third clamping groove 202c to drive the second winding tube 202 to rotate, and the first traction rope 204 and the second traction rope 205 work together.

The rotating pipe 203 is also provided with a rotating handle 203c for manual rotation.

Example 2

Referring to fig. 3 and 4, a second embodiment of the present invention is based on the previous embodiment, and further includes a first fixing member 301 and a second fixing member 302.

First mounting 301 is the same with second mounting 302 structure, set up the both ends at fuse tube 101 respectively, it is concrete, all be provided with round hole A on first connecting piece 102 and the second connecting piece 103, fuse tube 101's both ends are provided with circular slot C and all are provided with straight notch B on the outer wall at both ends, first mounting 301 and second mounting 302 are all including pressing post 303, extrusion piece 304 sets up in circular slot C, the diameter that presses post 303 is all the same with straight notch B and round hole A's diameter, it passes round hole A and straight notch B swing joint extrusion piece 304 to press post 303, press post 303 one end to be located circular slot C this moment, the other end is located the external world.

Further, the first traction rope 204 is connected with the pressing column 303 in the first fixing member 301, and the second traction rope 205 is connected with the pressing column 303 in the second fixing member 302; the pressing column 303 can move up and down in the straight slot B, the pulling of the pulling rope can drive the pressing column 303 to move up and down, and accordingly the first connecting piece 102 or the second connecting piece 103 can be pulled to achieve the effect of contracting and extending the whole length.

Further, the pressing blocks 304 include a first pressing block 304a and a second pressing block 304b, specifically, the first pressing block 304a and the second pressing block 304b are vertically and symmetrically arranged in the circular groove C, the distance between the first pressing block 304a and the second pressing block 304b gradually approaches from one side, the first pressing block 304a and the second pressing block 304b are not hard, when the pressing column 303 gradually gets deeper from one side, the pressing column 303 is pressed and fixed by the first pressing block 304a and the second pressing block 304b on both sides, the first pressing block 304a and the second pressing block 304b are connected at the bottom, and one end of the pressing column 303 is located between the first pressing block 304a and the second pressing block 304 b.

Further, the first fixing member 301 and the second fixing member 302 further include a sliding rod 305, vertical slots 304c are formed in the first pressing block 304a and the second pressing block 304b, specifically, a square slot 303a is formed in one end of the pressing column 303 located between the first pressing block 304a and the second pressing block 304b, the sliding rod 305 passes through the square slot 303a, one end of the sliding rod 305 is inserted into the vertical slot 304c of the first pressing block 304a, the other end of the pressing column 303 is inserted into the vertical slot 304c of the second pressing block 304b, the sliding rod 305 can move up and down in the vertical slot 304c, when the first connecting member 102 and the second connecting member 103 are adjusted to move up and down, the sliding rod 305 can move up and down in the vertical slot 304c, and when the pressing column 303 is pushed inwards and pulled out, the sliding rod 305 can move transversely in the square slot 303 a.

After the first connecting member 102 and the second connecting member 103 are pulled to a desired length by using the rotating tube 203, the pressing posts 303 are pushed inward, the pressing posts 303 enter between the pressing blocks 304, and the first pressing block 304a and the second pressing block 304b on both sides press the pressing posts 303 to fix them.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.