CN109411310B - Simple opening structure of fuse box cover and application method of simple opening structure - Google Patents

Simple opening structure of fuse box cover and application method of simple opening structure Download PDF

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Publication number
CN109411310B
CN109411310B CN201811323896.1A CN201811323896A CN109411310B CN 109411310 B CN109411310 B CN 109411310B CN 201811323896 A CN201811323896 A CN 201811323896A CN 109411310 B CN109411310 B CN 109411310B
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CN
China
Prior art keywords
opening hole
coin
box cover
fuse box
pin
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Application number
CN201811323896.1A
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Chinese (zh)
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CN109411310A (en
Inventor
胡美龄
李兰
许晶
刘秋实
张昱
杨成
赵清华
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Dongfeng Trucks Co ltd
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Dongfeng Trucks Co ltd
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Priority to CN201811323896.1A priority Critical patent/CN109411310B/en
Publication of CN109411310A publication Critical patent/CN109411310A/en
Application granted granted Critical
Publication of CN109411310B publication Critical patent/CN109411310B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective 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
    • H01H85/02Details
    • H01H85/20Bases for supporting the fuse; Separate parts thereof

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  • Closures For Containers (AREA)
  • Fuses (AREA)

Abstract

The utility model provides a simple and easy structure of opening of fuse box cover, includes the locked groove and is located its inside lockpin, the lockpin includes round pin axle and round pin head, the bottom surface of round pin head is connected perpendicularly with the outer end of round pin axle, and the inner of round pin axle is located the inside of locked groove, and the diameter of round pin head is greater than the diameter of round pin axle, open the hole has been seted up at the middle part of round pin head, open the width of hole and be greater than the thickness of coin, open the cross section of hole and be circular arc structure, its radian is quarter circle to three quarters circle. The design is low in opening difficulty and application limitation.

Description

Simple opening structure of fuse box cover and application method of simple opening structure
Technical Field
The utility model relates to a fuse box cover opening structure, in particular to a simple fuse box cover opening structure and a use method thereof, which are particularly suitable for reducing the opening difficulty and the application limitation.
Background
In the existing market, the opening hole in the fuse box cover for the automobile is deeper, a special opening tool such as a key or a screwdriver is needed to be used for opening the fuse box cover, the operation difficulty is increased, the limitation is larger, in addition, the existing opening hole is square, the hole is deeper, the mechanical strength of the fuse box cover is easy to reduce, the appearance quality is poor, and the fuse box cover is not attractive.
The utility model patent with the authority notice number of CN205723416U and the authority notice day of 2016-11-23 discloses an external fuse box for a power battery of a plug-in hybrid vehicle, wherein the fuse box is arranged outside the power battery and comprises a base and an upper cover detachably arranged on the base, an inner space is sealed between the base and the upper cover, at least two binding posts are fixedly arranged in the inner space, one ends of the at least two binding posts are respectively connected with an inner cable of the power battery, threads are arranged at the other ends of the at least two binding posts, a fuse wire is detachably connected to the binding posts through screwing of nuts and the threads, and the fuse wire is connected in series in the inner cable of the power battery. Although the design can increase the firmness of the fuse box after connection, a special tool is still needed to open the fuse box cover, the opening difficulty is high, and the application limitation is high.
The disclosure of this background section is only intended to increase the understanding of the general background of the present patent application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to overcome the defects and problems of higher opening difficulty and larger application limitation in the prior art, and provides a simple fuse box cover opening structure with lower opening difficulty and smaller application limitation and a use method thereof.
In order to achieve the above object, the technical solution of the present utility model is: the simple opening structure of the fuse box cover comprises a locking groove and a locking pin positioned in the locking groove, wherein the locking pin comprises a pin shaft and a pin head, the bottom surface of the pin head is vertically connected with the outer end of the pin shaft, the inner end of the pin shaft is positioned in the locking groove, and the outer wall of the pin shaft is in threaded connection with the inside of the locking groove;
the diameter of the pin head is larger than that of the pin shaft, an opening hole is formed in the middle of the pin head, and the width of the opening hole is larger than the thickness of the coin; the cross section of the opening hole is of an arc structure, and the radian of the opening hole is from one quarter of a circle to three quarters of a circle.
The radian of the cross section of the opening hole is a semicircle.
The depth of the opening hole is 5 mm, the width of the opening hole is 2 mm, and the radius of the circle where the cross section of the opening hole is positioned is 10 mm.
The locking groove comprises an outer end annular surface, an upper groove drum, a middle annular surface and a lower groove drum which are sequentially arranged from top to bottom, wherein the inner end of the outer end annular surface is vertically connected with the top of the upper groove drum in a flush manner, the bottom of the upper groove drum is vertically connected with the outer end of the middle annular surface in a flush manner, the inner end of the middle annular surface is vertically connected with the top of the lower groove drum in a flush manner, and the radius of an inner ring of the outer end annular surface, the radius of a pin head, the radius of an inner ring of the middle annular surface and the radius of a pin shaft are sequentially reduced.
An inner gap and an outer gap are formed between the outer wall of the pin head and the inner wall of the upper groove drum.
The pin heads are arranged lower than the outer end ring surface.
The bottom of lower groove drum contacts with the top of cavity bracket, and the diameter of the cross section of cavity chamber that the cavity bracket middle part was seted up is less than the diameter of the cross section of lower groove drum, and the cavity chamber inserts the cooperation with the end extension axle of inserting its inside, the bottom coaxial coupling of top and the bottom of round pin axle of end extension axle, and the radius of end extension axle is less than the radius of round pin axle.
The middle parts of the pin shaft and the bottom extension shaft are provided with a lower open groove, the top end of the lower open groove is positioned in the pin shaft, and the bottom end notch of the lower open groove is intersected with the bottom surface of the bottom extension shaft.
The application method of the simple opening structure of the fuse box cover comprises the following steps: the lower edge of the coin is inserted into the opening hole, the coin is rotated after the coin is inserted into the opening hole, and the rotating coin drives the lock pin to rotate through the opening hole until the lock pin is unscrewed.
The coins are pentagonal or unitary coins.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the simple opening structure of the fuse box cover and the use method thereof, the diameter of the pin head is larger than that of the pin shaft, so that the pin head can be clamped in the lock groove, the exposed shape is circular, no protruding uneven part exists, compared with a square structure in the prior art, the circular shape is more attractive, in addition, the width of the opening hole arranged in the middle of the pin head is larger than the thickness of a coin, the design enables only one common coin, pentagon or unitary to be inserted into the opening hole for opening, a special tool is not needed, the operation is very convenient, and the application limitation is avoided. Therefore, the utility model has the advantages of low opening difficulty, small application limitation, smooth touch feeling and attractive appearance.
2. According to the simple opening structure of the fuse box cover and the use method of the simple opening structure, the cross section of the opening hole is of the arc structure, the opening hole can be more matched with the edge of a coin by the design, the rotation of the coin to the opening hole is facilitated, and particularly, when the radian of the cross section of the opening hole is semicircular, the effect is better. Therefore, the utility model has lower opening difficulty and higher mechanical strength.
3. The utility model relates to a simple opening structure of a fuse box cover and a use method thereof, wherein a locking groove comprises an outer end ring surface, an upper groove barrel, a middle ring surface and a lower groove barrel which are sequentially arranged from top to bottom, a lock pin comprises a pin shaft and a pin head, unique designs exist among the radiuses of the outer end ring surface, the upper groove barrel, the middle ring surface and the lower groove barrel, and corresponding cooperative designs exist among the radiuses of the outer end ring surface, the pin head, the middle ring surface and the pin shaft. Therefore, the coin rotating opening device not only can realize the coin rotating opening of the hole, but also is convenient to operate.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an a-a view of the opening hole of fig. 1.
Fig. 3 is a view from B-B of the opening hole of fig. 1.
Fig. 4 is a schematic diagram showing the cooperation of the opening hole and the pentagonal coin in the present utility model.
FIG. 5 is a schematic diagram of the cooperation of the opening hole and the unitary coin in the present utility model.
In the figure: coin 1, locking groove 2, outer end ring surface 21, upper groove cylinder 22, middle ring surface 23, lower groove cylinder 24, lock pin 3, pin shaft 31, pin head 32, opening hole 33, inner and outer gap 4, hollow bracket 5, hollow cavity 51, bottom extension shaft 6, lower opening groove 7, bottom notch 71, fuse box cover 8.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 5, a simple fuse box cover opening structure comprises a locking groove 2 and a locking pin 3 positioned in the locking groove, wherein the locking pin 3 comprises a pin shaft 31 and a pin head 32, the bottom surface of the pin head 32 is vertically connected with the outer end of the pin shaft 31, the inner end of the pin shaft 31 is positioned in the locking groove 2, and the outer wall of the pin shaft 31 is in threaded connection with the inner part of the locking groove 2;
the diameter of the pin head 32 is larger than that of the pin shaft 31, an opening hole 33 is formed in the middle of the pin head 32, and the width of the opening hole 33 is larger than the thickness of the coin 1; the cross section of the opening hole 33 is in a circular arc structure, and the radian of the opening hole is from one quarter of a circle to three quarters of a circle.
The cross section of the opening hole 33 is semicircular.
The depth of the opening hole 33 is 5 mm, the width is 2 mm, and the radius of the circle where the cross section of the opening hole 33 is located is 10 mm.
The locking groove 2 comprises an outer end annular surface 21, an upper annular surface 22, a middle annular surface 23 and a lower annular surface 24 which are sequentially arranged from top to bottom, wherein the inner end of the outer end annular surface 21 is vertically connected with the top of the upper annular surface 22 in a flush manner, the bottom of the upper annular surface 22 is vertically connected with the outer end of the middle annular surface 23 in a flush manner, the inner end of the middle annular surface 23 is vertically connected with the top of the lower annular surface 24 in a flush manner, and the radius of the inner ring of the outer end annular surface 21, the radius of the pin head 32, the radius of the inner ring of the middle annular surface 23 and the radius of the pin shaft 31 are sequentially reduced.
An inner and outer gap 4 is formed between the outer wall of the pin head 32 and the inner wall of the upper groove drum 22.
The pin head 32 is disposed below the outer end annulus 21.
The bottom of lower groove drum 24 contacts with the top of cavity bracket 5, and the diameter of the cross section of cavity 51 of cavity bracket 5 middle part setting up is less than the diameter of the cross section of lower groove drum 24, and cavity 51 carries out the insertion cooperation with the end extension axle 6 of inserting its inside, and the bottom coaxial coupling of top and the bottom of round pin axle 31 of end extension axle 6, and the radius of end extension axle 6 is less than the radius of round pin axle 31.
The middle parts of the pin shaft 31 and the bottom extension shaft 6 are provided with a lower open groove 7, the top end of the lower open groove 7 is positioned in the pin shaft 31, and a bottom end notch 71 of the lower open groove 7 is intersected with the bottom surface of the bottom extension shaft 6.
The application method of the simple opening structure of the fuse box cover comprises the following steps: the lower edge of the coin 1 is inserted into the opening hole 33, after the coin 1 is inserted, the coin 1 is rotated, and the rotating coin 1 drives the lock pin 3 to rotate through the opening hole 33 until the lock pin 3 is unscrewed.
The coin 1 is a pentagonal or unitary coin 1.
The principle of the utility model is explained as follows:
the fuse box cover adopts a structure for opening coins with any size (5 wool or 1 yuan), is convenient for customers to use under the condition of not using any tool, is an arc round hole which is suitable for the size of the coins and is formed on the lock pin, the radius of the round hole is convenient for opening the coins with any size, the hole depth of the opening hole is small, the surface is attractive, the molding is convenient, and the cost is low.
In the present utility model, "to be inserted into the bottom" means: the lower edge of the coin is inserted into the opening hole until the coin cannot be inserted.
Example 1:
referring to fig. 1 to 5, a simple fuse box cover opening structure comprises a locking groove 2 and a locking pin 3 positioned in the locking groove, wherein the locking pin 3 comprises a pin shaft 31 and a pin head 32, the bottom surface of the pin head 32 is vertically connected with the outer end of the pin shaft 31, the inner end of the pin shaft 31 is positioned in the locking groove 2, and the outer wall of the pin shaft 31 is in threaded connection with the inner part of the locking groove 2;
the diameter of the pin head 32 is larger than that of the pin shaft 31, an opening hole 33 is formed in the middle of the pin head 32, and the width of the opening hole 33 is larger than the thickness of the coin 1; the cross section of the opening hole 33 is in a circular arc structure, and the radian of the opening hole is from one quarter of a circle to three quarters of a circle. Preferably, the cross section of the opening hole 33 has a semicircular arc.
The application method of the simple opening structure of the fuse box cover comprises the following steps: the lower edge of the coin 1 is inserted into the opening hole 33, after the coin 1 is inserted, the coin 1 is rotated, and the rotating coin 1 drives the lock pin 3 to rotate through the opening hole 33 until the lock pin 3 is unscrewed. Preferably the coin 1 is a pentagonal or unitary coin 1.
Example 2:
the basic content is the same as in example 1, except that:
the locking groove 2 comprises an outer end annular surface 21, an upper annular surface 22, a middle annular surface 23 and a lower annular surface 24 which are sequentially arranged from top to bottom, wherein the inner end of the outer end annular surface 21 is vertically connected with the top of the upper annular surface 22 in a flush manner, the bottom of the upper annular surface 22 is vertically connected with the outer end of the middle annular surface 23 in a flush manner, the inner end of the middle annular surface 23 is vertically connected with the top of the lower annular surface 24 in a flush manner, and the radius of the inner ring of the outer end annular surface 21, the radius of the pin head 32, the radius of the inner ring of the middle annular surface 23 and the radius of the pin shaft 31 are sequentially reduced.
Example 3:
the basic content is the same as in example 2, except that:
an inner and outer gap 4 is formed between the outer wall of the pin head 32 and the inner wall of the upper groove drum 22. The pin head 32 is disposed below the outer end annulus 21.
Example 4:
the basic content is the same as in example 3, except that:
the bottom of lower groove drum 24 contacts with the top of cavity bracket 5, and the diameter of the cross section of cavity 51 of cavity bracket 5 middle part setting up is less than the diameter of the cross section of lower groove drum 24, and cavity 51 carries out the insertion cooperation with the end extension axle 6 of inserting its inside, and the bottom coaxial coupling of top and the bottom of round pin axle 31 of end extension axle 6, and the radius of end extension axle 6 is less than the radius of round pin axle 31.
Example 5:
the basic content is the same as in example 4, except that:
the middle parts of the pin shaft 31 and the bottom extension shaft 6 are provided with a lower open groove 7, the top end of the lower open groove 7 is positioned in the pin shaft 31, and a bottom end notch 71 of the lower open groove 7 is intersected with the bottom surface of the bottom extension shaft 6.

Claims (7)

1. The utility model provides a simple and easy structure of opening of fuse box cover, includes locked groove (2) and is located its inside lockpin (3), lockpin (3) are including round pin axle (31) and round pin head (32), and the bottom surface of round pin head (32) is connected with the outer end of round pin axle (31) perpendicularly, and the inner of round pin axle (31) is located the inside of locked groove (2), and the outer wall of round pin axle (31) carries out threaded connection with the inside of locked groove (2), its characterized in that:
the diameter of the pin head (32) is larger than that of the pin shaft (31), an opening hole (33) is formed in the middle of the pin head (32), and the width of the opening hole (33) is larger than the thickness of the coin (1); the cross section of the opening hole (33) is of an arc structure, and the radian of the opening hole is one-fourth circle to three-fourths circle;
the locking groove (2) comprises an outer end ring surface (21), an upper groove drum (22), a middle ring surface (23) and a lower groove drum (24) which are sequentially arranged from top to bottom, wherein the inner end of the outer end ring surface (21) is vertically connected with the top of the upper groove drum (22) in a flush manner, the bottom of the upper groove drum (22) is vertically connected with the outer end of the middle ring surface (23) in a flush manner, the inner end of the middle ring surface (23) is vertically connected with the top of the lower groove drum (24) in a flush manner, and the radius of an inner ring of the outer end ring surface (21), the radius of a pin head (32), the radius of an inner ring of the middle ring surface (23) and the radius of a pin shaft (31) are sequentially reduced;
an inner and outer gap (4) is clamped between the outer wall of the pin head (32) and the inner wall of the upper groove drum (22);
the pin head (32) is arranged below the outer end ring surface (21).
2. The simple opening structure of a fuse box cover according to claim 1, wherein: the radian of the cross section of the opening hole (33) is a semicircle.
3. The simple opening structure of a fuse box cover according to claim 1 or 2, characterized in that: the depth of the opening hole (33) is 5 mm, the width of the opening hole is 2 mm, and the radius of a circle where the cross section of the opening hole (33) is positioned is 10 mm.
4. The simple opening structure of a fuse box cover according to claim 1 or 2, characterized in that: the bottom of lower groove drum (24) contacts with the top of cavity bracket (5), and the diameter of the cross section of cavity (51) of cavity bracket (5) middle part seting up is less than the diameter of the cross section of lower groove drum (24), and cavity (51) insert cooperation with the end extension axle (6) of inserting its inside, the bottom coaxial coupling of top and round pin axle (31) of end extension axle (6), and the radius of end extension axle (6) is less than the radius of round pin axle (31).
5. The fuse box cover easy-open structure of claim 4, wherein: the middle parts of the pin shaft (31) and the bottom extension shaft (6) are provided with a lower open groove (7), the top end of the lower open groove (7) is positioned in the pin shaft (31), and a bottom notch (71) of the lower open groove (7) is intersected with the bottom surface of the bottom extension shaft (6).
6. A method of using the fuse box cover easy open structure of claim 1 or 2, characterized in that the method of using comprises the steps of: firstly, the lower edge of the coin (1) is inserted into the opening hole (33), after the coin is inserted into the opening hole, the coin (1) is rotated, and the rotating coin (1) drives the lock pin (3) to rotate through the opening hole (33) until the lock pin (3) is unscrewed.
7. The method of using a simple fuse box cover opening structure according to claim 6, wherein: the coin (1) is a pentagonal or unitary coin (1).
CN201811323896.1A 2018-11-08 2018-11-08 Simple opening structure of fuse box cover and application method of simple opening structure Active CN109411310B (en)

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CN201811323896.1A CN109411310B (en) 2018-11-08 2018-11-08 Simple opening structure of fuse box cover and application method of simple opening structure

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Application Number Priority Date Filing Date Title
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CN109411310B true CN109411310B (en) 2024-01-26

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB254498A (en) * 1925-06-20 1926-07-08 Callenders Cable & Const Co Improvements in or relating to house service fuse boxes
KR19990020986A (en) * 1997-08-30 1999-03-25 양재신 Automotive fuse box
KR20020026689A (en) * 2000-10-02 2002-04-12 이계안 The open and close structure of a fuse box for truck
CN103003908A (en) * 2010-03-18 2013-03-27 尼古拉·考培科 Fuse status indicator for low voltage high power fuses
CN103522901A (en) * 2013-10-28 2014-01-22 重庆长安汽车股份有限公司 Automobile fuse box overhaul panel assembly with storage function
CN204230194U (en) * 2014-08-27 2015-03-25 东风汽车公司 A kind of fuse lid with function of containing articles
CN107369598A (en) * 2017-08-16 2017-11-21 浙江星普汽车配件有限公司 Automobile engine-compartment fuse box
CN207282441U (en) * 2017-08-16 2018-04-27 浙江星普汽车配件有限公司 Automobile engine-compartment fuse box
KR101859732B1 (en) * 2018-04-18 2018-05-18 주식회사 경신 Detachable type multi-fuse
CN209119034U (en) * 2018-11-08 2019-07-16 东风商用车有限公司 Simple opening structure of fuse box cover

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7891924B2 (en) * 2006-11-03 2011-02-22 Huck International, Inc. Low swage load fastening system and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB254498A (en) * 1925-06-20 1926-07-08 Callenders Cable & Const Co Improvements in or relating to house service fuse boxes
KR19990020986A (en) * 1997-08-30 1999-03-25 양재신 Automotive fuse box
KR20020026689A (en) * 2000-10-02 2002-04-12 이계안 The open and close structure of a fuse box for truck
CN103003908A (en) * 2010-03-18 2013-03-27 尼古拉·考培科 Fuse status indicator for low voltage high power fuses
CN103522901A (en) * 2013-10-28 2014-01-22 重庆长安汽车股份有限公司 Automobile fuse box overhaul panel assembly with storage function
CN204230194U (en) * 2014-08-27 2015-03-25 东风汽车公司 A kind of fuse lid with function of containing articles
CN107369598A (en) * 2017-08-16 2017-11-21 浙江星普汽车配件有限公司 Automobile engine-compartment fuse box
CN207282441U (en) * 2017-08-16 2018-04-27 浙江星普汽车配件有限公司 Automobile engine-compartment fuse box
KR101859732B1 (en) * 2018-04-18 2018-05-18 주식회사 경신 Detachable type multi-fuse
CN209119034U (en) * 2018-11-08 2019-07-16 东风商用车有限公司 Simple opening structure of fuse box cover

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