CN108022816B - Fuse base - Google Patents
Fuse base Download PDFInfo
- Publication number
- CN108022816B CN108022816B CN201810066718.9A CN201810066718A CN108022816B CN 108022816 B CN108022816 B CN 108022816B CN 201810066718 A CN201810066718 A CN 201810066718A CN 108022816 B CN108022816 B CN 108022816B
- Authority
- CN
- China
- Prior art keywords
- fuse
- ratchet
- ratchet wheel
- key
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
Landscapes
- Fuses (AREA)
Abstract
The invention relates to the field of electrical elements, and discloses a fuse holder, which comprises a fuse tube (2) for accommodating a fuse (1), wherein two ends of the fuse tube (2) are connected with wire harnesses (3), one end of the inside of the fuse tube (2) is provided with a spring (4), the other end of the inside of the fuse tube (2) is provided with a ratchet wheel (5) in a removable mode, and the fuse holder further comprises a ratchet key (6) for taking out the ratchet wheel (5). The fuse holder is provided with the spring (4), the ratchet wheel (5) and the ratchet wheel key (6), and the ratchet wheel (5) arranged at one end of the fuse holder can be quickly taken out through the ratchet wheel key (6), so that the fuse (1) in the fuse holder can be quickly replaced, and the operation is very convenient.
Description
Technical Field
The invention relates to the field of electrical components, in particular to a fuse holder.
Background
The fuse is an electrical element which is arranged in a circuit and ensures the safe operation of the circuit, and most of the fuses are tubular fuses which are used in daily life, and the external materials of the fuses are usually ceramic or glass; fuse holder refers to the seat that is used for installing the fuse, and is used for electrical equipment pencil, mechanical pencil etc. on the fuse holder that exists in the market now generally adopts screw tightening or plug-in type, and the main defect of present application lies in: when the screw thread tightening type fuse holder is used for replacing a blown fuse, the situation that the fuse holder slides and is twisted off often occurs; because the fuse is fixed by the metal reed, the fuse holder is difficult to replace, the breakage phenomenon of a fuse glass tube or a ceramic tube is often caused, and the fuse holder is large in size and not suitable for being used on a wire harness. When the existing fuse holder is used for replacing the fuse, if no experienced person operates the fuse by mistake, the damage such as harness short circuit and personal injury can occur. And if the fuse tube of the fuse seat is damaged, the wire harness is cut off and welded again, so that the operation is troublesome.
Disclosure of Invention
The invention aims to solve the problem of difficult fuse replacement in the prior art, and provides a fuse holder which is provided with a spring, a ratchet wheel and a ratchet wheel key, wherein the ratchet wheel arranged at one end of the fuse holder can be quickly taken out through the ratchet wheel key, so that the fuse in the fuse holder can be quickly replaced, and the operation is very convenient.
In order to achieve the above object, an embodiment of the present invention provides a fuse holder including a fuse tube for accommodating a fuse, both ends of the fuse being connected with a wire harness, one end of an inside of the fuse tube being provided with a spring, the other end of the inside of the fuse tube being removably provided with a ratchet, the fuse holder further including a ratchet key for taking out the ratchet.
Preferably, a plurality of first protrusions are arranged on the outer peripheral surface of the ratchet wheel, and a plurality of first abdication grooves corresponding to the plurality of first protrusions are formed in the other end of the fuse tube.
Preferably, one end of the ratchet is a first serrated end surface, and one end of the ratchet key is a second serrated end surface matched with the first serrated end surface.
Preferably, the ratchet key is provided with a plurality of second protrusions on an outer peripheral surface thereof.
Preferably, the first protrusions are zigzag, and the other end of the inside of the fuse tube is provided with a third protrusion capable of being matched with the first protrusions.
Preferably, the ratchet key is hollow and is provided with a second abdication groove along the length direction so as to be clamped into the wire harness.
Preferably, the cartridge comprises a first component and a second component, the first component and the second component being connected by a bolt.
Preferably, one end of the wire harness is provided with a connection piece.
Preferably, the connection piece of the wire harness connected to one end of the fuse tube is located between the ratchet and one end of the fuse, and the connection piece of the wire harness connected to the other end of the fuse tube is located between the spring and an inner wall of the other end of the fuse tube.
Through the technical scheme, the fuse holder provided by the embodiment of the invention is provided with the spring, the ratchet wheel and the ratchet wheel key, and the ratchet wheel arranged at one end of the fuse holder can be quickly taken out through the ratchet wheel key, so that the fuse in the fuse holder can be quickly replaced, and the operation is very convenient.
Drawings
Fig. 1 is a schematic structural view of a fuse holder according to an embodiment of the present invention;
fig. 2 is a sectional view showing a state in which the fuse holder is used according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a fuse holder in an ejected state according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a ratchet key of a fuse holder according to an embodiment of the present invention.
Description of the reference numerals
1. Ratchet key 2 ratchet
3. Wire harness 4 spring
5. Ratchet 6 ratchet key
20. First component 21 second component
30. Connecting sheet
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Fig. 1 shows a schematic structure of a fuse tube according to an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides a fuse holder that may include a fuse tube 2 for accommodating a fuse 1, both ends of the fuse 1 may be connected with a wire harness 3 to conduct an entire circuit, one end of the inside of the fuse tube 2 may be provided with a spring 4, the other end of the inside of the fuse tube 3 may be removably provided with a ratchet 5, and the fuse holder may further include a ratchet key 6 for removing the ratchet 5. When the fuse holder provided by the embodiment of the invention is used, when the fuse needs to be replaced, the ratchet key 6 can be inserted into the other end of the fuse tube 2, the ratchet 5 can be taken out under the action of the spring 4, and then the fuse 1 can be ejected out of the fuse tube, so that the fuse is replaced, and the operation is very quick and convenient.
The outer circumferential surface of the ratchet wheel 5 may be provided with a plurality of first protrusions, and the other end of the fuse tube 2 is provided with a first relief groove corresponding to the plurality of first protrusions on the ratchet wheel 5. The ratchet wheel 5 can be taken out or put in by aligning the first protrusions on the ratchet wheel 5 with the first giving grooves on the other end of the fuse tube 2, thereby realizing the replacement of the fuse.
Fig. 2 shows a sectional view of a fuse holder in use state according to an embodiment of the present invention, and fig. 3 shows a sectional view of a fuse holder in an ejected state according to an embodiment of the present invention. In using the fuse holder provided by the embodiment of the present invention, as shown in fig. 2, the ratchet 5 may be installed into the fuse holder by the ratchet key 6 (the first protrusions on the ratchet 5 are aligned with the first relief grooves on the other end of the fuse tube 2), and then the ratchet 5 is rotated by a certain angle, so that the first protrusions on the ratchet 5 are not aligned with the first relief grooves on the other end of the fuse tube any more, so as to ensure that the ratchet 5 cannot be ejected from the fuse holder, and the fuse is normally used; when the fuse needs to be replaced, as shown in fig. 3, the ratchet key 6 can be inserted into the fuse tube 2, the ratchet 5 is turned by a certain angle, and the first protrusions on the ratchet 5 are aligned with the first abdicating grooves on the other end of the fuse tube 2, so that the ratchet 5 is ejected from the fuse tube 2, and the fuse 1 is ejected from the fuse tube 2, thereby realizing the replacement of the fuse.
The ratchet key 6 and ratchet 5 may have a variety of suitable configurations to enable removal or insertion of the ratchet 5 by the ratchet key 6. For example, the ratchet 5 may be provided with a key hole, and the ratchet key 6 may be inserted into the key hole of the ratchet 5 to rotate the ratchet 5, thereby taking out or loading the ratchet 5 to effect fuse replacement.
In one embodiment of the present invention, as shown in fig. 1, one end of the ratchet wheel 5 may be a first serrated end surface, and one end of the ratchet key 6 may be a second serrated end surface that mates with the first serrated end surface of the ratchet wheel 5. When the ratchet wheel 5 needs to be taken out or put in, the second serrated end surface of the ratchet wheel key 6 can be matched with the first serrated end surface of the ratchet wheel 5, and then the ratchet wheel key 6 is rotated to drive the ratchet wheel 5 to rotate, so that the ratchet wheel 5 is taken out or put in, and the fuse is replaced.
Fig. 4 shows a schematic structural view of a ratchet key of a fuse holder according to an embodiment of the present invention. As shown in fig. 4, the outer peripheral surface of the ratchet key 6 may be provided with a plurality of second protrusions. The ratchet key 6 can be rotated more conveniently by the second protrusion to drive the ratchet 5 to rotate so as to take out or put in the ratchet 5, thereby facilitating the replacement of the fuse.
In another embodiment of the present invention, the first protrusions on the ratchet wheel 5 are provided in a zigzag shape, and the other end of the inside of the fuse tube 2 is provided with a third protrusion of a plurality of zigzag shapes which can be engaged with the first protrusions of the ratchet wheel 5. When the ratchet wheel 5 needs to be taken out or put in, the second serrated end face of the ratchet wheel key 6 can be matched with the first serrated end face of the ratchet wheel, then the ratchet wheel key 6 is pushed to drive the ratchet wheel 5 to move, when the first zigzag protrusions of the ratchet wheel 5 are to be matched with the third zigzag protrusions of the other end of the inner part of the fuse tube 2, the ratchet wheel key 6 is released, and the ratchet wheel 5 can automatically rotate by virtue of the guidance of the third zigzag protrusions of the other end of the inner part of the fuse tube 2 and the pushing of the spring 4, so that the ratchet wheel 5 is taken out or put in, and the fuse is replaced.
As shown in fig. 4, the ratchet key 6 may be hollow and provided with a second relief groove along the length direction to be engaged with the wire harness 3. When the ratchet wheel 5 needs to be taken out or put in, the wire harness 3 can be clamped in through the second yielding groove of the ratchet wheel key 6, and then the ratchet wheel key 6 is rotated to drive the ratchet wheel 5 to rotate, so that the ratchet wheel 5 is taken out or put in. In this way, the fuse can be quickly replaced without cutting the wire harness 3, and the trouble of cutting the wire harness 3 and re-welding is avoided.
As shown in fig. 1, the cartridge 2 may include a first component 20 and a second component 21, the first component 20 and the second component 21 being coupled by bolts. When the fuse tube 2 needs to be replaced, the fuse tube 2 can be replaced only by disassembling the bolts, and the wire harness 3 does not need to be cut off, so that re-welding is avoided.
The wire harness 3 may be attached to the fuse tube 2 by a variety of suitable structural forms, such as welding, bonding, riveting, etc. In one embodiment of the present invention, as shown in fig. 2 and 3, in order to facilitate replacement of the fuse 1 and the fuse tube 2, one end of the wire harness 3 may be provided with a connection piece 30, and the wire harness 3 passes through both ends of the ratchet 5 and the fuse tube 2, and is clamped in the fuse tube 2 by the connection piece 30.
As shown in fig. 2 and 3, the connection piece 30 of the wire harness 3 connected to one end of the fuse tube 2 may be located between the ratchet 5 and one end of the fuse 1, and the connection piece 30 of the wire harness 3 connected to the other end of the fuse tube 2 may be located between the spring 4 and the inner wall of the other end of the fuse tube 2. The spring 4 may be made of an electrically conductive material, such as copper, iron, etc. The wire harness 3 is electrically conducted through the connection piece 30 to conduct the entire circuit without affecting replacement of the fuse 1 and the fuse tube 2.
In using the fuse holder provided by the embodiment of the present invention, when the fuse 1 burns out or needs to be replaced due to other factors, the ratchet 5 needs to be taken out first. The ratchet key 6 is inserted into the fuse tube 2, the second serrated end face of the ratchet key 6 is matched with the first serrated end face of the ratchet 5, then the ratchet key 6 is rotated to drive the ratchet 5 to rotate, a plurality of first protrusions on the ratchet 5 are aligned with a plurality of first abdicating grooves at the other end of the fuse tube 2, so that the ratchet 5 is ejected from the fuse tube 2, and the fuse 1 is ejected from the fuse tube 2, so that the fuse is replaced. Or the first protrusions on the ratchet wheel 5 are arranged in a zigzag shape, the other end of the inside of the fuse tube 2 is provided with a plurality of zigzag third protrusions which can be matched with the zigzag first protrusions of the ratchet wheel 5, then the ratchet key 6 is pushed to drive the ratchet wheel 5 to move, and the ratchet wheel 5 automatically rotates by virtue of the guidance of the zigzag third protrusions of the other end of the inside of the fuse tube 2 and the pushing of the spring 4, so that the ratchet wheel 5 is taken out to realize the replacement of a fuse. In addition, when the fuse tube 2 needs to be replaced, the fuse tube 2 can be replaced only by disassembling the bolts, the wire harness 3 does not need to be cut off, and re-welding is avoided. The fuse holder provided by the embodiment of the invention can quickly take out the ratchet wheel arranged at one end of the fuse holder through the ratchet wheel key, thereby realizing quick replacement of the fuse in the fuse holder and being very convenient to operate.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, a number of simple variants of the technical solution of the invention are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (4)
1. The fuse holder is characterized by comprising a fuse tube (2) for accommodating a fuse (1), wherein two ends of the fuse (1) are connected with a wire harness (3), one end of the interior of the fuse tube (2) is provided with a spring (4), the other end of the interior of the fuse tube (2) is removably provided with a ratchet wheel (5), and the fuse holder further comprises a ratchet key (6) for taking out the ratchet wheel (5);
The outer peripheral surface of the ratchet wheel (5) is provided with a plurality of first bulges, and the other end of the fuse tube (2) is provided with a plurality of first abdication grooves corresponding to the plurality of first bulges;
One end of the ratchet wheel (5) is a first serrated end surface, and one end of the ratchet wheel key (6) is a second serrated end surface matched with the first serrated end surface;
the outer peripheral surface of the ratchet key (6) is provided with a plurality of second bulges;
the first protrusions are zigzag, and the other end of the inside of the fuse tube (2) is provided with a plurality of zigzag third protrusions which can be matched with the first protrusions;
the ratchet key (6) is hollow and is provided with a second abdication groove along the length direction so as to be clamped into the wire harness (3).
2. Fuse holder according to claim 1, characterized in that the fuse tube (2) comprises a first component (20) and a second component (21), the first component (20) and the second component (21) being connected by means of bolts.
3. Fuse holder according to claim 1, characterized in that one end of the wire harness (3) is provided with a connecting piece (30).
4. A fuse holder as claimed in claim 3, characterized in that the connection piece (30) of the wire harness (3) connected to the other end of the fuse tube (2) is located between the ratchet wheel (5) and one end of the fuse (1), and the connection piece (30) of the wire harness (3) connected to one end of the fuse tube (2) is located between the spring (4) and an inner wall of one end of the fuse tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066718.9A CN108022816B (en) | 2018-01-24 | 2018-01-24 | Fuse base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066718.9A CN108022816B (en) | 2018-01-24 | 2018-01-24 | Fuse base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108022816A CN108022816A (en) | 2018-05-11 |
| CN108022816B true CN108022816B (en) | 2024-06-25 |
Family
ID=62074733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810066718.9A Active CN108022816B (en) | 2018-01-24 | 2018-01-24 | Fuse base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108022816B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164741B (en) * | 2019-06-28 | 2020-12-11 | 临沂文衡信息技术有限公司 | Fuse capable of being automatically replaced |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH097494A (en) * | 1995-06-20 | 1997-01-10 | Matsushita Electric Ind Co Ltd | Fuse holder |
| CN202307722U (en) * | 2011-11-02 | 2012-07-04 | 东风汽车有限公司 | Self-locking electromagnetic type power supply main switch assembly |
| CN207690749U (en) * | 2018-01-24 | 2018-08-03 | 安徽锐能科技有限公司 | A kind of fuse holder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044376U (en) * | 1988-09-04 | 1989-09-13 | 于如意 | Rotary wheel structure for power supply and line protector |
| CN2279712Y (en) * | 1996-09-20 | 1998-04-22 | 简明乾 | Power connecting plug |
| KR19990021453U (en) * | 1997-11-29 | 1999-06-25 | 전주범 | Fuse Cases for Electronics |
| KR200251247Y1 (en) * | 2001-07-26 | 2001-11-22 | 이석안 | electric fuse box equipment |
| CN101373691A (en) * | 2007-08-24 | 2009-02-25 | 乐金电子(天津)电器有限公司 | High voltage safety tube for microwave oven |
| JP2010225419A (en) * | 2009-03-24 | 2010-10-07 | Chugoku Electric Power Co Inc:The | Cylindrical high pressure cutout |
| DE202013011400U1 (en) * | 2013-12-19 | 2014-01-27 | Münch GmbH | fuse holder |
-
2018
- 2018-01-24 CN CN201810066718.9A patent/CN108022816B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH097494A (en) * | 1995-06-20 | 1997-01-10 | Matsushita Electric Ind Co Ltd | Fuse holder |
| CN202307722U (en) * | 2011-11-02 | 2012-07-04 | 东风汽车有限公司 | Self-locking electromagnetic type power supply main switch assembly |
| CN207690749U (en) * | 2018-01-24 | 2018-08-03 | 安徽锐能科技有限公司 | A kind of fuse holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108022816A (en) | 2018-05-11 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |