CN112349563A - All-round drop-out fuse - Google Patents
All-round drop-out fuse Download PDFInfo
- Publication number
- CN112349563A CN112349563A CN202011197353.7A CN202011197353A CN112349563A CN 112349563 A CN112349563 A CN 112349563A CN 202011197353 A CN202011197353 A CN 202011197353A CN 112349563 A CN112349563 A CN 112349563A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- fuse
- groove
- sleeve
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Fuses (AREA)
Abstract
The invention discloses an all-round drop-out fuse which comprises a fixing component, a first connecting piece and a second connecting piece, wherein the fixing component comprises an insulator, the first connecting piece and the second connecting piece are fixedly connected with the end part of the insulator; the fuse assembly comprises a first fuse tube, a second fuse tube and a connector, the connector is connected with the first fuse tube and the second fuse tube, the end part of the first fuse tube is connected with the first connecting piece, and the end part of the second fuse tube is connected with the second connecting plate; the fuse can adapt to the requirements of different lengths of fuse tubes of different types of drop-out fuses, and the problems that the whole equipment is required to be replaced frequently due to damage of the fuse tubes of the drop-out fuses, time and labor are consumed, the replacement operation danger is increased, and the power supply reliability is seriously influenced are solved.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to an all-round 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 user or a transformer station of a power distribution line, plays a role in protection, and achieves the function of removing faults. Fuse wire fusing fuse tube falls when cutting the trouble at every turn, because electric arc firing, thermochemical action and air oxidation's long-term effect make the fuse tube damage, 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 through changing whole equipment, not only take time but also influence the reliability of power supply.
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, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that in the prior art, because different fuse tubes of equipment models of various manufacturers are not matched and are not universal, the problem that the time is wasted and the power supply reliability is influenced is solved only by replacing the whole equipment.
In order to solve the technical problems, the invention provides the following technical scheme: an all-round drop-out fuse, which comprises,
the fixing assembly comprises an insulator, a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are fixedly connected with the end part of the insulator;
fusing subassembly, including first fuse tube, second fuse tube and connector, the connector is connected first fuse tube, second fuse tube, first fuse tube tip with first connecting piece is connected, second fuse tube tip with the second connecting plate is connected.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the connector comprises a first end sleeve, a fixing piece and a second end sleeve, wherein the first end sleeve and the second end sleeve are made of conductive materials, and the inner side walls of the first end sleeve and the second end sleeve are provided with soft rubber layers;
the first end sleeve is sleeved on the end part of the first fuse tube, and the second end sleeve is sleeved on the end part of the second fuse tube.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the fixing piece comprises a sleeve and a top shaft, an inner cavity is arranged in the sleeve, an opening is formed in the sleeve, and the opening is communicated with the inner cavity;
the opening size is smaller than the lumen size.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: a first top plate and a second top plate are respectively arranged at two ends of the top shaft, the top shaft is embedded into the opening, and the first top plate is positioned in the inner cavity;
the second top plate is in contact with the second end sleeve.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: a first spring is arranged in the inner cavity and connected with the bottom surface of one side of the inner cavity and the first top plate.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the connector also comprises a screwing piece, and the screwing piece is arranged outside the first end sleeve, the fixing piece and the second end sleeve;
the screwing piece comprises a first cylinder and a second cylinder, and clamping pieces are arranged at the end parts of the first cylinder and the second cylinder.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the clamping piece comprises a breather pipe and an air guide through groove, the air guide through groove is formed in the first cylinder, and the breather pipe is communicated with the outside and the air guide through groove.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: a plurality of air guide pipes are arranged in the first cylinder and are arranged along the axial direction of the first cylinder;
one end of the air guide tube is communicated with the air guide through groove, one end of the air guide tube is provided with a guide groove, the guide groove is arranged along the radial direction of the first cylinder, the end part of the guide groove is provided with an opening, and the opening is communicated with the inner ring of the first cylinder.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the clamping piece further comprises a clamping table, the clamping table is arranged in the opening, a sealing plate is arranged at the end part of the clamping table, and the sealing plate is arranged in the guide groove;
the sealing plate is connected with the end face of the guide groove through a second spring.
As a preferred scheme of the all-round drop-out fuse of the present invention, wherein: the end part of the first cylinder is also provided with an embedded groove which divides the end part of the first cylinder into an outer peripheral plate and an inner peripheral plate;
the end part of the second cylinder is embedded in the caulking groove;
a spiral groove is formed in the outer side face of the inner enclosing plate, and a first ring groove and a second ring groove are formed in two ends of the spiral groove;
and a round rod is arranged on the inner wall of the end part of the second cylinder and embedded in the spiral groove.
The invention has the beneficial effects that: the fuse can adapt to the requirements of different lengths of fuse tubes of different types of drop-out fuses, and the problems that the whole equipment is required to be replaced frequently due to damage of the fuse tubes of the drop-out fuses, time and labor are consumed, the replacement operation danger is increased, and the power supply reliability is seriously influenced are solved.
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 schematic view of an overall assembly structure of an all-round drop-out fuse according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an overall explosion structure of an all-round drop-out fuse according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a fuse element in the all-round drop-out fuse according to an embodiment of the present invention;
fig. 4 is an assembly cross-sectional structural diagram of a fuse element in the all-round drop-out fuse according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of a rotating member in the all-round drop-out fuse according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating an inner enclosure structure in the all-round drop-out fuse according to the embodiment of the present invention.
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.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, 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 to 6, the present embodiment provides an all-round drop-out fuse, including,
the fixing assembly 100 comprises an insulator 101, a first connecting piece 102 and a second connecting piece 103, wherein the first connecting piece 102 and the second connecting piece 103 are fixedly connected with the end part of the insulator;
the fusing component 200 comprises a first fuse tube 201, a second fuse tube 202 and a connector 203, wherein the connector 203 is connected with the first fuse tube 201 and the second fuse tube 202, the end part of the first fuse tube 201 is connected with the first connecting piece 102, and the end part of the second fuse tube 202 is connected with the second connecting plate 103.
The connector 203 of the device is connected with the first fuse tube 201 and the second fuse tube 202, the length of the connector 203 can be adjusted, namely the distance between the first fuse tube 201 and the second fuse tube 202 can be adjusted, so that the fuse tube structure formed by combining the first fuse tube 201 and the second fuse tube 202 together can adapt to different application environments.
The first connecting piece 102 and the second connecting piece 103 have the same structure and are respectively arranged at two ends of the insulator 101 and the fusing component 200, the first connecting piece 102 comprises a first connecting plate piece 102a, one end of the first connecting plate piece 102a is connected with the end part of the insulator 101, one end of the first connecting plate piece is connected with a third end sleeve 102b arranged at the end part of the first fuse tube 201, the second connecting piece 103 comprises a second connecting plate piece 103a, one end of the second connecting plate piece 103a is connected with the other end part of the insulator 101, and one end of the second connecting plate piece 103a is connected with a fourth end sleeve 103b arranged at the end part of the.
Because the use occasions are different and the lengths of the insulators are different, the distances between the corresponding third end sleeve 102b and the corresponding fourth end sleeve 103b are different, and the installation process is that the first connecting piece 102 and the second connecting piece 103 are respectively fixed at two ends of the insulator 101, and the third end sleeve 102b and the fourth end sleeve 103b are respectively fixed on the first connecting plate piece 102a and the second connecting plate piece 103 a; assembling the first fuse tube 201 and the second fuse tube 202 with the connector 203, and shortening the distance between the first fuse tube 201 and the second fuse tube 202, so that the end of the first fuse tube 201 can enter the third end sleeve 102b, and the second fuse tube 202 can enter the fourth end sleeve 103b, that is, the fuse assembly 200 is correspondingly arranged in the region between the third end sleeve 102b and the fourth end sleeve 103 b;
the connector 203 is adjusted so that the end of the first fuse tube 201 can enter the third boss 102b and the second fuse tube 202 can enter the fourth boss 103b to secure the fuse assembly 200.
The connector 203 comprises a first end sleeve 203a, a fixing piece 203b and a second end sleeve 203c, wherein the first end sleeve 203a and the second end sleeve 203c are made of conductive materials, and a soft rubber layer is arranged on the inner side walls of the first end sleeve 203a and the second end sleeve 203 c;
the first end sleeve 203a is sleeved on the end of the first fuse tube 201, and the second end sleeve 203b is sleeved on the end of the second fuse tube 202.
The first end sleeve 203a and the second end sleeve 203c have the same structure, one ends of the first fuse tube 201 and the second fuse tube 202 embedded in the first end sleeve 203a and the second end sleeve 203c are tightly matched with the latter, and specifically, the first end sleeve 203a and the second end sleeve 203c are tightly matched with the first end sleeve 203a and the second end sleeve 203c under the action of the soft rubber layer; the soft rubber layer increases the friction between the first and second end sleeves 203a and 203c and the first and second fuse tubes 201 and 202, and reduces the gap between the contact surfaces of the inner side walls of the first fuse tube 201 and the first end sleeve 203a because the soft rubber layer can be extruded and deformed.
The fixing piece 203b comprises a sleeve 203b-1 and a top shaft 203b-2, an inner cavity 203b-3 is arranged in the sleeve 203b-1, an opening 203b-7 is arranged on the sleeve 203b-1, and the opening 203b-7 is communicated with the inner cavity 203 b-3;
opening 203b-7 is smaller in size than lumen 203 b-3.
The top shaft 203b-2 and the sleeve 203b-1 are both conductive materials.
A first top plate 203b-5 and a second top plate 203b-6 are respectively arranged at two ends of the top shaft 203b-2, the top shaft 203b-2 is embedded into the opening 203b-7, and the first top plate 203b-5 is positioned in the inner cavity 203 b-3;
the second top plate 203b-6 is in contact with the second end cap 203 c.
The end surface of the sleeve 203b-1 is in contact with the first end sleeve 203 a.
The top shaft 203b-2 and the sleeve 203b-1 are in contact with the first end cap 203a and the second end cap 203c, respectively, so that the first fuse tube 201 and the second fuse tube 202 can be electrically connected.
The first spring 203b-4 is provided in the inner cavity 203b-3, and the first spring 203b-4 connects a bottom surface of one side of the inner cavity 203b-3 and the first top plate 203 b-5.
The first top plate 203b-5 is slidable in the inner cavity 203b-3, and in an initial state, the top shaft 203b-2 and the sleeve 203b-1 are at a maximum length under the action of the first spring 203b-4, and the top shaft 203b-2 is pressed into the sleeve 203b-1 under the compression of an external force, so that the length of the top shaft 203b-2 and the sleeve 203b-1 is reduced.
The connector 203 further comprises a rotating element 203d, wherein the rotating element 203d is arranged outside the first end sleeve 203a, the fixing element 203b and the second end sleeve 203 c;
the rotating member 203d includes a first cylinder 203d-1 and a second cylinder 203d-2, and the ends of the first cylinder 203d-1 and the second cylinder 203d-2 are provided with engaging members 203 d-3.
The first cylinder 203d-1 and the second cylinder 203d-2 are nested within each other and are rotatable relative to each other, and the overall length of the rotating member 203d changes during the relative rotation of the first cylinder 203d-1 and the second cylinder 203 d-2.
The engaging member 203d-3 includes a vent pipe 203d-31 and an air guide through groove 203d-32, the air guide through groove 203d-32 is provided in the first cylinder 203d-1, and the vent pipe 203d-31 communicates the outside with the air guide through groove 203 d-32.
The second cylinder 203d-2 is provided with a snap-fit piece 203d-3 which has the same structure as the first cylinder 203d-1, the air guide through groove 203d-32 is an annular groove, the air duct 203d-31 is communicated with the air guide through groove 203d-32, air enters the air guide through groove 203d-32 from the air duct 203d-31, and the air guide through groove 203d-32 is arranged along the circumferential direction of the first cylinder 203 d-1.
A plurality of air ducts 203d-33 are also arranged in the first cylinder 203d-1, and the air ducts 203d-33 are arranged along the axial direction of the first cylinder 203 d-1;
one end of the air duct 203d-33 is communicated with the air guiding through groove 203d-32, one end is provided with a guide groove 203d-34, the guide groove 203d-34 is arranged along the radial direction of the first cylinder 203d-1, the end part of the guide groove 203d-34 is provided with an opening 203d-35, and the opening 203d-35 is communicated with the inner ring of the first cylinder 203 d-1.
The clamping piece 203d-3 further comprises a clamping table 203d-36, the clamping table 203d-36 is arranged in the opening 203d-35, a sealing plate 203d-37 is arranged at the end part of the clamping table 203d-36, and the sealing plate 203d-37 is arranged in the guide groove 203 d-34;
the seal plates 203d-37 are connected to the end faces of the guide grooves 203d-34 by second springs 203 d-38.
Specifically, the sealing plate 203d-37 is connected to the end surface of the guide groove 203d-34 on the side where the opening 203d-35 is located, by the second spring 203d-38, and it should be noted that the sealing plate 203d-37 is engaged with the guide groove 203d-34, and a gasket and a reverse seal are provided around the sealing plate 203d-37 at a portion in contact with the guide groove 203d-34, so that the sealing plate 203d-37 becomes a piston.
In the initial state, the sealing plate 203d-37 and the engaging table 203d-36 are located in the guide groove 203d-34 and the end of the engaging table 203d-36 is located in the opening 203d-35 by the second spring 203 d-38.
After the gas is introduced into the air pipes 203d-31, the gas enters the gas guide through grooves 203d-32 and is conveyed to the gas guide pipes 203d-33, the gas enters the guide grooves 203d-34 through the gas guide pipes 203d-33, and the sealing plates 203d-37 are pushed outwards, so that the clamping tables 203d-36 extend out of the openings 203 d-35.
The end part of the first cylinder 203d-1 is also provided with a caulking groove 203d-11 which divides the end part of the first cylinder 203d-1 into an outer peripheral plate 203d-12 and an inner peripheral plate 203 d-13;
the end of the second cylinder 203d-2 is embedded in the caulking groove 203 d-11;
the outer side surface of the inner coaming 203d-13 is provided with a spiral groove 203d-14, and both ends of the spiral groove 203d-14 are provided with a first ring groove 203d-15 and a second ring groove 203 d-16;
the inner wall of the end part of the second cylinder 203d-2 is provided with a round rod 203d-21, and the round rod 203d-21 is embedded in the spiral groove 203 d-14.
It should be noted that the end of the second cylinder 203d-2 is sized to fit into the keyway 203d-11,
the first ring groove 203d-15 and the second ring groove 203d-16 communicate with the spiral groove 203d-14, and the first ring groove 203d-15 and the second ring groove 203d-16 have the same width as the spiral groove 203 d-14.
It should be noted that the round rod 203d-21 is matched with the spiral groove 203d-14 in size, the spiral groove 203d-14 is a double spiral groove symmetrically arranged, and the round rod 203d-21 is a structure symmetrically arranged, one of which is correspondingly embedded in the double spiral groove 230d-14 symmetrically arranged in the center.
The fuse assembly 200 is assembled by sleeving the first end sleeve 203a on the end of the first fuse tube 201, sleeving the second end sleeve 203b on the end of the second fuse tube 202, assembling the sleeve 203b-1 and the top shaft 203b-2 and placing them in the screwing member 203d, inserting the first end sleeve 203a and the second end sleeve 203b from both ends of the screwing member 203d, and making the first end sleeve 203a and the second end sleeve 203b contact with the sleeve 203b-1 and the top shaft 203b-2, respectively, at this time, filling gas into the vent pipe 203d-31 provided on the first cylinder 203d-1, making the engaging table 203d-36(1) extend out of the opening 203d-35 to engage with the first end sleeve 203a, and similarly filling gas into the vent pipe 203d-31 provided on the second cylinder 203d-2, making the engaging table 203d-36(2) extend out of the opening 203d-35, when the round rod 203d-21 is engaged with the second end sleeve 203b, the first cylinder 203d-1 and the second cylinder 203d-2 are screwed together, so that the round rod 203d-21 enters the spiral groove 203d-14 from the first ring groove 203d-15, the entire length of the screwing element 203d is reduced, and the engaging platforms 203d-36(1) and 203d-36(2) respectively engage with the first end sleeve 203a and the second end sleeve 203c and move closer to the middle, thereby reducing the entire length of the fuse assembly 200. The fuse assembly 200 is continuously screwed until the round rod 203d-21 enters the second annular groove 203d-16 from the spiral groove 203d-14, the length of the fuse assembly 200 is kept shortened, the fuse assembly 200 is screwed into the third annular groove 102b and the fourth annular groove 103b, the round rod 203d-21 is screwed into the spiral groove 203d-14 from the second annular groove 203d-16, the overall distance between the top shaft 203b-2 and the sleeve 203b-1 is increased under the action of the first spring 203b-4, the first fuse tube 201 and the second fuse tube 202 are pushed to both sides, the engaging table 203d-36(1) and the engaging table 203d-36(2) are respectively pushed to opposite directions by the first end sleeve 203a and the second end sleeve 203c, the round rod 203d-21 slides in the spiral groove 203d-14 and is engaged with the third end sleeve 102b and the fourth end sleeve 103b, the entire structure is in equilibrium with the reaction force of the third sleeve 102b and the fourth sleeve 103 b.
The fuse assembly 200 is also easy to disassemble and replace, and the first step of screwing the first cylinder 203d-1 and the second cylinder 203d-2 together enables the first fuse tube 201 and the second fuse tube 202 to be separated from the third bushing 102b and the fourth bushing 103b respectively, so that the fuse assembly can be removed and replaced.
It should be noted that the mating tightness of the first fuse tube 201 and the second fuse tube 202 with the first end housing 203a and the second end housing 203c is tighter than the mating tightness with the third end housing 102b and the fourth end housing 103 b.
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.
Claims (10)
1. An all-round drop out fuse which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the fixing assembly (100) comprises an insulator (101), a first connecting piece (102) and a second connecting piece (103), wherein the first connecting piece (102) and the second connecting piece (103) are fixedly connected with the end part of the insulator;
fuse subassembly (200), including first fuse tube (201), second fuse tube (202) and connector (203), connector (203) are connected first fuse tube (201), second fuse tube (202), first fuse tube (201) tip with first connecting piece (102) are connected, second fuse tube (202) tip with second connecting plate (103) are connected.
2. The all-round drop-out fuse according to claim 1, characterized in that: the connector (203) comprises a first end sleeve (203a), a fixing piece (203b) and a second end sleeve (203c), the first end sleeve (203a) and the second end sleeve (203c) are made of conductive materials, and soft rubber layers are arranged on the inner side walls of the first end sleeve (203a) and the second end sleeve (203 c);
the first end sleeve (203a) is sleeved on the end part of the first fuse tube (201), and the second end sleeve (203b) is sleeved on the end part of the second fuse tube (202).
3. The all-round drop-out fuse according to claim 1 or 2, characterized in that: the fixing piece (203b) comprises a sleeve (203b-1) and a top shaft (203b-2), an inner cavity (203b-3) is formed in the sleeve (203b-1), an opening (203b-7) is formed in the sleeve (203b-1), and the opening (203b-7) is communicated with the inner cavity (203 b-3);
the opening (203b-7) is smaller in size than the lumen (203 b-3).
4. The all-round drop-out fuse according to claim 3, characterized in that: a first top plate (203b-5) and a second top plate (203b-6) are respectively arranged at two ends of the top shaft (203b-2), the top shaft (203b-2) is embedded into the opening (203b-7), and the first top plate (203b-5) is positioned in the inner cavity (203 b-3);
the second top plate (203b-6) is in contact with the second end sleeve (203 c).
5. The all-round drop-out fuse according to claim 4, characterized in that: a first spring (203b-4) is arranged in the inner cavity (203b-3), and the first spring (203b-4) is connected with the bottom surface of one side of the inner cavity (203b-3) and the first top plate (203 b-5).
6. The all-round drop-out fuse according to claim 5, characterized in that: the connector (203) further comprises a screwing element (203d), the screwing element (203d) is arranged outside the first end sleeve (203a), the fixing element (203b) and the second end sleeve (203 c);
the screwing piece (203d) comprises a first cylinder (203d-1) and a second cylinder (203d-2), and the ends of the first cylinder (203d-1) and the second cylinder (203d-2) are provided with clamping pieces (203 d-3).
7. The all-round drop-out fuse according to any one of claims 4 to 6, characterized in that: the clamping piece (203d-3) comprises a vent pipe (203d-31) and an air guide through groove (203d-32), the air guide through groove (203d-32) is arranged in the first cylinder (203d-1), and the vent pipe (203d-31) is communicated with the outside and the air guide through groove (203 d-32).
8. The all-round drop-out fuse according to claim 7, wherein: a plurality of air guide pipes (203d-33) are also arranged in the first cylinder (203d-1), and the air guide pipes (203d-33) are arranged along the axial direction of the first cylinder (203 d-1);
one end of the air guide tube (203d-33) is communicated with the air guide through groove (203d-32), one end of the air guide tube is provided with a guide groove (203d-34), the guide groove (203d-34) is arranged along the radial direction of the first cylinder (203d-1), the end part of the guide groove (203d-34) is provided with an opening (203d-35), and the opening (203d-35) is communicated with the inner ring of the first cylinder (203 d-1).
9. The all-round drop-out fuse according to claim 8, wherein: the clamping piece (203d-3) further comprises a clamping table (203d-36), the clamping table (203d-36) is arranged in the opening (203d-35), a sealing plate (203d-37) is arranged at the end part of the clamping table (203d-36), and the sealing plate (203d-37) is arranged in the guide groove (203 d-34);
the sealing plate (203d-37) is connected with the end face of the guide groove (203d-34) through a second spring (203 d-38).
10. The all-round drop-out fuse according to claim 8 or 9, characterized in that: the end part of the first cylinder (203d-1) is also provided with a caulking groove (203d-11) which divides the end part of the first cylinder (203d-1) into a peripheral plate (203d-12) and an inner peripheral plate (203 d-13);
the end of the second cylinder (203d-2) is embedded in the caulking groove (203 d-11);
a spiral groove (203d-14) is formed in the outer side face of the inner enclosing plate (203d-13), and a first annular groove (203d-15) and a second annular groove (203d-16) are formed in two ends of the spiral groove (203 d-14);
a round rod (203d-21) is arranged on the inner wall of the end part of the second cylinder (203d-2), and the round rod (203d-21) is embedded in the spiral groove (203 d-14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011197353.7A CN112349563B (en) | 2020-10-31 | 2020-10-31 | All-round drop out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011197353.7A CN112349563B (en) | 2020-10-31 | 2020-10-31 | All-round drop out fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112349563A true CN112349563A (en) | 2021-02-09 |
| CN112349563B CN112349563B (en) | 2022-05-20 |
Family
ID=74355254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011197353.7A Active CN112349563B (en) | 2020-10-31 | 2020-10-31 | All-round drop out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112349563B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117292997A (en) * | 2023-10-13 | 2023-12-26 | 广东红杉信息科技有限公司 | Intelligent fuse easy to maintain |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231097A1 (en) * | 2002-06-16 | 2003-12-18 | Victor Almgren | Composite insulator for fuse cutout |
| CN103367071A (en) * | 2012-03-27 | 2013-10-23 | 吉林市能兴电力设备有限公司 | Falling-type fuse |
| CN204741002U (en) * | 2015-04-20 | 2015-11-04 | 国家电网公司 | General drop -out fusion tube structure |
| CN106783456A (en) * | 2016-12-15 | 2017-05-31 | 国网上海市电力公司 | A kind of interim processing unit of fuse switch failure |
| CN108766855A (en) * | 2018-07-26 | 2018-11-06 | 国网辽宁省电力有限公司铁岭供电公司 | Horizontal pulling structure fuse |
| CN208298779U (en) * | 2018-05-16 | 2018-12-28 | 廊坊北熔电气股份有限公司 | A kind of fuse with alarm function |
| CN208570506U (en) * | 2018-07-23 | 2019-03-01 | 贵州电网有限责任公司 | It can be used for the cartridge fuse of any fuse switch |
| CN208738167U (en) * | 2018-10-20 | 2019-04-12 | 广鸿电气有限公司 | It is a kind of to dismantle high-tension fuse easy for installation |
| CN110379687A (en) * | 2019-08-08 | 2019-10-25 | 黄山泰客轨道电气有限公司 | A kind of fuse mounting device |
| CN210467748U (en) * | 2019-11-20 | 2020-05-05 | 高春胜 | Operation maintenance equipment for transformer substation |
-
2020
- 2020-10-31 CN CN202011197353.7A patent/CN112349563B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231097A1 (en) * | 2002-06-16 | 2003-12-18 | Victor Almgren | Composite insulator for fuse cutout |
| CN103367071A (en) * | 2012-03-27 | 2013-10-23 | 吉林市能兴电力设备有限公司 | Falling-type fuse |
| CN204741002U (en) * | 2015-04-20 | 2015-11-04 | 国家电网公司 | General drop -out fusion tube structure |
| CN106783456A (en) * | 2016-12-15 | 2017-05-31 | 国网上海市电力公司 | A kind of interim processing unit of fuse switch failure |
| CN208298779U (en) * | 2018-05-16 | 2018-12-28 | 廊坊北熔电气股份有限公司 | A kind of fuse with alarm function |
| CN208570506U (en) * | 2018-07-23 | 2019-03-01 | 贵州电网有限责任公司 | It can be used for the cartridge fuse of any fuse switch |
| CN108766855A (en) * | 2018-07-26 | 2018-11-06 | 国网辽宁省电力有限公司铁岭供电公司 | Horizontal pulling structure fuse |
| CN208738167U (en) * | 2018-10-20 | 2019-04-12 | 广鸿电气有限公司 | It is a kind of to dismantle high-tension fuse easy for installation |
| CN110379687A (en) * | 2019-08-08 | 2019-10-25 | 黄山泰客轨道电气有限公司 | A kind of fuse mounting device |
| CN210467748U (en) * | 2019-11-20 | 2020-05-05 | 高春胜 | Operation maintenance equipment for transformer substation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117292997A (en) * | 2023-10-13 | 2023-12-26 | 广东红杉信息科技有限公司 | Intelligent fuse easy to maintain |
| CN117292997B (en) * | 2023-10-13 | 2024-03-19 | 广东红杉信息科技有限公司 | Easily-maintained fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112349563B (en) | 2022-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7494355B2 (en) | Thermoplastic interface and shield assembly for separable insulated connector system | |
| US4795360A (en) | Electrical cable connector for use in a nuclear environment | |
| CN112349563B (en) | All-round drop out fuse | |
| CN101834354A (en) | Inner conductor end contacting coaxial connector and inner conductor adapter kit | |
| CN102362072A (en) | Compressor plug assembly | |
| EP4060823A1 (en) | Subsea connector | |
| CN112331537B (en) | Lightning-protection fuse | |
| GB2576156A (en) | Connector and method of manufacture | |
| EP3700021B1 (en) | Sealed electrical connector assembly | |
| IL33707A (en) | Electrical connectors | |
| DE102008000494A1 (en) | Gas tight electric bushing for use in gas-cooled electrical generator, has sleeve with front side loosely surrounding electrical conductor, and bush, funnel-shaped element and sleeve consisting of electric insulating material | |
| RU126218U1 (en) | CABLE COUPLING | |
| CN105244641A (en) | Cable connection terminal insulation protective device | |
| JP6259708B2 (en) | Tank type vacuum circuit breaker | |
| CN209896346U (en) | High-density connector resistant to nuclear-grade environment | |
| CN112271678A (en) | Copper aluminium cable connection prevents disconnected damping device | |
| CN217606655U (en) | Transformer | |
| CN201374237Y (en) | Low-pressure heavy-current transformer bushing | |
| CN212303243U (en) | Grouping type insulating bush capable of being directly spliced and assembled at later stage | |
| CN204577810U (en) | A kind of hat type slip ring | |
| CN103117162A (en) | Primary transition device of current transformer and current transformer | |
| CN212033260U (en) | Elastic grounding piston ring | |
| CN202332559U (en) | Primary change-over device for current transformer and current transformer | |
| CN220272788U (en) | Right-angle socket | |
| CN210668843U (en) | Radio frequency coaxial cable adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |