CN207976064U - Detachable fuse structure - Google Patents
Detachable fuse structure Download PDFInfo
- Publication number
- CN207976064U CN207976064U CN201820391829.2U CN201820391829U CN207976064U CN 207976064 U CN207976064 U CN 207976064U CN 201820391829 U CN201820391829 U CN 201820391829U CN 207976064 U CN207976064 U CN 207976064U
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- China
- Prior art keywords
- shell
- pedestal
- fuse structure
- hole
- shaped member
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Abstract
The utility model discloses a kind of detachable fuse structures, including shell in hollow structure, and the circuit unit in the shell is set, the shell upper and lower ends are open, and it is respectively equipped with upper cover and pedestal, the circuit unit includes N number of plate-shaped member being axially arranged side by side along shell, and adjacent plate-shaped member is connected with each other by support column, and the lowermost plate-shaped member is fixed by support column and pedestal.Using above scheme, circuit unit is fixed on by support column level-one level-one on pedestal, and form one with pedestal coordinates installation with shell again, is conducive to development stage fast assembling-disassembling and finds out problem, improves development efficiency, while improving impact resistance.
Description
Technical field
The utility model is related to fuse structure technical fields, and in particular to a kind of detachable fuse structure.
Background technology
Fuse is a kind of apparatus to cause bursting, mainly utilize target information or environmental information, in predefined conditions ignite or
Ignite explosive, to generate outer force effect to effect object, with development in science and technology, civil engineering explosion, civil aerospace technology engineering and
Ordnance missile technology etc. obtains prodigious development, in these engineerings, usually explosive is ignited or is ignited by fuse
Boosting fuel, however more rugged environment condition would generally be faced during use, in emission process, usually by serious offense
The environmental influences such as load, strong vibration, HI high impact and superhigh temperature, the case where may leading to fuse failure, occur, therefore there is an urgent need for one kind
Fuse structure improves its reliability to enhance the impact resistance of fuse.
In addition, fuse in the development stage, needs to carry out multinomial verification test, including temperature, low pressure, damp and hot, mould, cigarette
Mist acceleration, vibration, impacts, falls, electromagnetic compatibility etc., for the various problems being likely to occur, needs carefully to find out problem original
Because, and existing fuse structure is typically fully integratedization, once installation is complete, that is, is difficult to carry out disassembly analysis, is unfavorable for
Questions and prospect is rapidly found out, test efficiency is influenced.
Utility model content
To solve the above problems, the utility model provides a kind of detachable fuse structure, the anti-of fuse structure is improved
Impact capacity, while facilitating the dismounting of fuse, improve test efficiency.
To achieve the above object, technical solutions of the utility model are as follows：
A kind of detachable fuse structure, including shell in hollow structure, and the circuit group that is arranged in the shell
Part, the shell upper and lower ends are open, and are respectively equipped with upper cover and pedestal, and key is：The circuit unit includes N number of
The plate-shaped member being axially arranged side by side along shell, adjacent plate-shaped member are connected with each other by support column, the lowermost plate-shaped member
It is fixed by support column and pedestal.
Using the above structure, each plate-shaped member is connected with each other by support column in circuit unit, and support column is removed
Plate-shaped member is checked one by one, is conducive to rapidly find out problem, improves test efficiency, and by support column by circuit unit level-one
Level-one is fixedly connected after being completed with pedestal, is then reloaded into shell as a whole, is also improved its efficiency of assembling.
As preferred：Further include the high-tension terminal, detonator and pressure ring for being successively set on circuit unit lower end, in the pedestal
Portion is equipped with the mounting portion extended into shell, has hollow installation cavity in the mounting portion, and installation cavity upper and lower ends are open,
In the detonator insertion installation cavity, lower end is locked by pressure ring, and the high-tension terminal is located at mounting portion upper end, and the detonator is logical
High-tension terminal is crossed with circuit unit to be connected.Using the above structure, detonator, high-tension terminal and pressure ring are mounted on the base, it is more square
Just development efficiency individually is further increased to its dissembling inspection.
As preferred：The inner walls have been uniformly distributed circumferentially at least two reinforcing ribs, and the reinforcing rib is along shell
Axial vertical extension.Using above scheme, the impact resistance of shell is improved, increases the reliability of fuse.
As preferred：The inner wall of the reinforcing rib from shell is radially inwardly protruding, and surface is smooth arc-shaped surface structure.
Using above scheme, it is convenient for the installation of circuit unit, and corner angle is avoided to occur, collision impacts.
As preferred：Between the reinforcing rib upper end and the upper surface of the shell and lower end of reinforcing rib lower end and shell
There are gaps between face；
The reinforcing rib upper and lower ends are equipped with threaded hole vertically, and the position that the upper cover corresponds to the threaded hole of upper end is equipped with
Upper matching hole, the screw thread hole site that pedestal corresponds to lower end are equipped with lower matching hole, and the upper cover is mounted on by screwing on shell,
Pedestal is connect by lower screw with shell.
Using the above structure, upper cover and pedestal are connect by screw with reinforcing rib upper screwed hole, without the shell to junction
Body wall thickness impacts, and is conducive to the impact resistance for further increasing fuse.
As preferred：The plate-shaped member is adapted with enclosure interior, and the position for corresponding to reinforcing rib thereon has arc groove
Mouthful, the position of face support column is equipped with mounting hole on the pedestal, and the lowermost support column is fixed by screws in mounting hole.
Using the above structure, it is contacted with reinforcing rib by arc-shaped slot, to be limited to plate-shaped member, it is ensured that circuit
Stability of the component in shell, while the support column of bottom is just fixed on the base, and can carry out whole dismounting, is improved
Develop efficiency of assembling.
As preferred：The lower end outside of the shell is installed with flange seat.Using the above structure, conventionally employed installation is compared
The mode of journal stirrup, increases connection area, is conducive to further increase its impact resistance.
As preferred：The position of the case inside lower end companion flange seat is in step structure, and the pedestal is in the form of annular discs,
Its outer rim is in the boss being adapted with the step structure.Using the above structure, increase the wall thickness of flange installed position shell,
When installation by step structure and boss can quick-fit in place, while so that pedestal is installed with shell cooperation is more compact, and raising is whole
Body impact resistance.
As preferred：Further include connector, symmetrically there is journal stirrup, the journal stirrup to be mounted on upper cover by bolt at both ends
On, the position that the upper cover is correspondingly connected with device is equipped with through-hole, and the lower end of connector is embedded in the through-hole.Using the above structure, will
Connector is installed on the upper cover, and passes through journal stirrup mounting means, it is ensured that the stability of connector improves its impact resistance.
Compared with prior art, the utility model has the beneficial effects that：
Using detachable fuse structure provided by the utility model, circuit unit is installed solid by support column level-one level-one
It is scheduled on pedestal, form one with pedestal coordinates installation with shell again, is conducive to development stage fast assembling-disassembling and finds out problem, improves
Development test efficiency, while improving impact resistance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the internal structure chart of embodiment illustrated in fig. 1；
Fig. 3 is the structural schematic diagram of shell；
Fig. 4 is the vertical view of shell；
Fig. 5 be in Fig. 4 A-A to sectional view；
Fig. 6 is the vertical view of pedestal；
Fig. 7 is B-B direction sectional view in Fig. 6；
Fig. 8 is circuit component configurations schematic diagram；
Fig. 9 is support column arrangement schematic diagram.
Specific implementation mode
The utility model is described in further detail with attached drawing with reference to embodiments.
Include mainly shell 1 in hollow structure, the present embodiment referring to figs. 1 to detachable fuse structure shown in Fig. 9
Middle casing 1 is cylindric, and wall thickness designs about 1.25mm, upper and lower open at both ends, and upper end open-mouth is equipped with upper cover 3, on
It holds open-mouth to be equipped with pedestal 4, further includes the circuit unit 2 being arranged in shell 1, high-tension terminal 6, detonator 7 and pressure ring 8, with
And the connector 9 being arranged in upper cover 3.
With reference to figure 3 to Fig. 7, the lower end outside of shell 1 is installed with flange seat 5, and the inner wall of shell 1 has been uniformly distributed circumferentially
Four reinforcing ribs 10, reinforcing rib 10 is radially inwardly projecting along shell 1, and surface is smooth arc-shaped surface structure, and reinforcing rib 10
There are gap between upper end and the upper end end face of shell 1, the gap and the wall thickness of upper cover 3 are adapted, the lower end of reinforcing rib 10 with
Also there are gap between the lower end surface of shell 1, this gap is adapted with the wall thickness of pedestal 4 again.
The upper and lower ends of reinforcing rib 10 are equipped with threaded hole 100 vertically, and the position in 3 face threaded upper ends hole 100 of upper cover is set
There is upper matching hole 30, and connect with shell 1 by screwing 31, screwing 31 passes through the screw thread of screw-in upper end after upper matching hole 30
In hole 100, likewise, the position in face lower thread hole 100 is equipped with lower matching hole 41 on pedestal 4, pedestal 4 passes through lower screw 43
It is connect with shell 1, lower screw 43 screws in after passing through lower matching hole 41 in the threaded hole 100 of lower end.
The position of 1 lower inner side wall companion flange seat 5 of shell is in step structure 11, and pedestal 4 is in and 1 inner diameter size phase of shell
The disc-shaped structure of adaptation, it is circumferential in the boss 40 being adapted with step structure 11, when pedestal 4 is installed by lower screw 43
At later, the upper surface of pedestal 4 is abutted with the lower face of reinforcing rib 10, while step structure 11 and boss 40 just engage.
On fuse integral installation to explosive acting body or fuel acting body, will quickly to be set on flange seat 5, there are four assembly
Hole 50, four pilot holes 50 correspond to the position setting of four reinforcing ribs 10 respectively, additionally set that there are two connecting holes 51, wherein filling
Distribution 50 is counter bore structure upward, and internal thread is equipped in connecting hole 51, can be quick by pilot hole 50 and connecting hole 51
Fuse is installed to acting body, its efficiency of assembling is improved.
Include mainly N number of plate-shaped member 20, N number of plate with reference to circuit unit 2 in figure 2, Fig. 3, Fig. 8 and Fig. 9 the present embodiment
(N is the integer more than or equal to 2) is axially arranged side by side in component 20 in shell 1 along it, and two neighboring plate-shaped member 20 passes through four
A support column 21 set vertically is fixedly connected, as shown, support column 21 is uniformly distributed along the circumferential direction of plate-shaped member 20, support column
21 substantially cylindrical structures, the upper end have the connector 210 protruded axially upwards along it, have outer spiral shell on connector 210
Line, the lower end of support column 21 have with 210 mutually matched connection counterbore 211 of connector, in internal thread, plate-shaped member
The position that support column 21 is corresponded on 20 is equipped with through hole through its thickness direction, and through hole size is suitable with 210 phase of connector
It answers, and smaller than 21 ontology of support column, when installation, after support column 21 makes connector 210 be upward through through hole from below, stretches into
It in the connection counterbore 211 of top, and is fixed by screw thread, is sequentially connected, all plate-shaped members 20 are finally fixed into one
Body.
The position of face support column 21 is equipped with mounting hole 44 on pedestal 4, and screw after mounting hole 44 from outside through screwing in
In the connection counterbore 211 of bottom support column 21, that is, realize being connected and fixed for entire circuit unit 2 and pedestal 4.
20 size of plate-shaped member is adapted with 1 inside of shell, and the position of face reinforcing rib 10 is equipped with arc-shaped slot thereon
22, arc groove 22 is bonded with reinforcing rib 10, is realized and is limited to plate-shaped member 20, and is conducive to improve its impact resistance.
With reference to figure 1, Fig. 2, Fig. 6 and Fig. 7,4 middle part of pedestal is equipped with mounting portion 42, and mounting portion 42 is axially extending along shell 1
Inside into it, interior to have hollow installation cavity 420, the upper and lower ends of installation cavity 420 are open, installation cavity as shown in the figure
420 be in multilayer round-like structure, and from top to bottom, diameter gradually increases, and there is internal thread, pressure ring 8 to have for the lower end of installation cavity 420
There is the external screw thread adaptable with it, high-tension terminal 6 is fixed by screws in the upper end of mounting portion 42, and installation cavity is stretched into part
In 420, detonator 7 is embedded in installation cavity 420, and the upper end is connected with high-tension terminal 6, and lower end is fixed by pressure ring 8 and locked, certainly electricity
The plate-shaped member 20 of lower end is to adapt to the structure of mounting portion 42 in road component 2, and the plate-shaped member 20 of the part needs when design
Make certain resigning.
Connector 9 is mounted by means of bolts in upper cover 3 in the present embodiment, as shown, the both ends of connector 9 are equipped with
Journal stirrup 90, there are gap between journal stirrup 90 and the lower end of connector 9, the position that upper cover 3 is correspondingly connected with device 9 is equipped with through-hole 32, leads to
32 size of hole and connector 9 are adapted, in the end portion insertion through-hole 32 of such connector 9, and journal stirrup 90 just with upper cover 3
Upper surface abut, both sides journal stirrup is fastened on by corresponding bolt in upper cover 3 respectively again, it is ensured that the stability of connector 9.
Referring to figs. 1 to Fig. 9, when installation, circuit unit 2 is first subjected to level-one level-one by support column 21 and is fixedly connected,
Then high-tension terminal 6, detonator 7 and pressure ring 8 are mounted on the mounting portion 42 of pedestal 4, then by assembled circuit unit 2 with
Pedestal 4 is attached, and ensures that high-tension terminal 6 is connected to circuit unit 2, then by the pedestal 4 with circuit unit 2 as whole
Body is stretched into from the lower section of shell 1 in shell 1, and is fixedly connected by lower screw 43, finally installs connector 9 and upper cover 3
At.
Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make more
Kind is similar to be indicated, such transformation is each fallen within the scope of protection of the utility model.
Claims (9)
1. a kind of detachable fuse structure, including shell in hollow structure (1), and electricity of the setting in the shell (1)
Road component (2), shell (1) upper and lower ends are open, and are respectively equipped with upper cover (3) and pedestal (4), it is characterised in that：Institute
It includes N number of plate-shaped member (20) being axially arranged side by side along shell (1) to state circuit unit (2), and adjacent plate-shaped member (20) passes through
Support column (21) is connected with each other, and the lowermost plate-shaped member (20) is fixed by support column (21) and pedestal (4).
2. detachable fuse structure according to claim 1, it is characterised in that：Further include being successively set on circuit unit
(2) high-tension terminal (6), detonator (7) and pressure ring (8) of lower end, pedestal (4) middle part are equipped with the peace extended into shell (1)
Dress portion (42), the mounting portion (42) is interior to have hollow installation cavity (420), and installation cavity (420) upper and lower ends are open, described
In the embedded installation cavity (420) of detonator (7), lower end is locked by pressure ring (8), and the high-tension terminal (6) is located at mounting portion (42)
Upper end, the detonator (7) are connected by high-tension terminal (6) with circuit unit (2).
3. detachable fuse structure according to claim 1, it is characterised in that：Shell (1) inner wall is circumferentially equal
Even that at least two reinforcing ribs (10) are distributed with, the reinforcing rib (10) is along the axial vertical extension of shell (1).
4. detachable fuse structure according to claim 3, it is characterised in that：The reinforcing rib (10) is from shell (1)
Inner wall it is radially inwardly protruding, surface be smooth arc-shaped surface structure.
5. detachable fuse structure according to claim 3 or 4, it is characterised in that：Reinforcing rib (10) upper end with
There are gaps between the upper surface of shell (1) and between reinforcing rib (10) lower end and the lower face of shell (1)；
Reinforcing rib (10) upper and lower ends are equipped with threaded hole (100), the threaded hole of the corresponding upper end of the upper cover (3) vertically
(100) position is equipped with upper matching hole (30), and threaded hole (100) position of the corresponding lower end of pedestal (4) is equipped with lower matching hole (41),
The upper cover (3) is mounted on by screwing (31) on shell (1), and pedestal (4) is connect by lower screw (43) with shell (1).
6. detachable fuse structure according to claim 5, it is characterised in that：The plate-shaped member (20) and shell
(1) internal to be adapted, the position for correspond to reinforcing rib (10) thereon has an arc-shaped slot (22), and face supports on the pedestal (4)
The position of column (21) is equipped with mounting hole (44), and the lowermost support column (21) is fixed by screws in mounting hole (44).
7. detachable fuse structure according to claim 1, it is characterised in that：The lower end outside of the shell (1) is solid
Equipped with flange seat (5).
8. detachable fuse structure according to claim 7, it is characterised in that：Shell (1) inside lower end corresponds to
The position of flange seat (5) is in step structure (11), and the pedestal (4) is in the form of annular discs, and outer rim is in and the step structure (11)
Adaptable boss (40).
9. detachable fuse structure according to claim 1, it is characterised in that：Further include connector (9), both ends pair
Weighing-appliance has journal stirrup (90), the journal stirrup (90) to be mounted in upper cover (3) by bolt, and the upper cover (3) is correspondingly connected with device (9)
Position is equipped with through-hole (32), and the lower end of connector (9) is embedded in the through-hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391829.2U CN207976064U (en) | 2018-03-21 | 2018-03-21 | Detachable fuse structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820391829.2U CN207976064U (en) | 2018-03-21 | 2018-03-21 | Detachable fuse structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976064U true CN207976064U (en) | 2018-10-16 |
Family
ID=63765917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820391829.2U Expired - Fee Related CN207976064U (en) | 2018-03-21 | 2018-03-21 | Detachable fuse structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398062A (en) * | 2018-03-21 | 2018-08-14 | 中国工程物理研究院电子工程研究所 | Detachable protecting against shock fuse |
-
2018
- 2018-03-21 CN CN201820391829.2U patent/CN207976064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398062A (en) * | 2018-03-21 | 2018-08-14 | 中国工程物理研究院电子工程研究所 | Detachable protecting against shock fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20190321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |