CN110474270A - Waterproof electric detonator terminal box - Google Patents
Waterproof electric detonator terminal box Download PDFInfo
- Publication number
- CN110474270A CN110474270A CN201910788558.3A CN201910788558A CN110474270A CN 110474270 A CN110474270 A CN 110474270A CN 201910788558 A CN201910788558 A CN 201910788558A CN 110474270 A CN110474270 A CN 110474270A
- Authority
- CN
- China
- Prior art keywords
- box body
- protrusion
- upper cartridge
- opening
- lower box
- 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.)
- Pending
Links
- 235000020004 porter Nutrition 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000005474 detonation Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention relates to a kind of waterproof electric detonator terminal boxes, including box body, it is offered on box body for penetrating, it is pierced by the bus opening of detonation bus, payment to a porter for penetrating detonator wire is open, box body includes upper cartridge body, lower box body, upper cartridge body, the opposite lid of lower box body, which closes, forms box body, the first waterproof construction is provided in box body, first waterproof construction includes being arranged in upper cartridge body, at least two the first convex ribs in lower box body in one, it is arranged in upper cartridge body, at least one first protrusion in another in lower box body, the first groove body is formed between adjacent two the first convex ribs, work as upper cartridge body, when the opposite lid of lower box body closes, first protrusion is inserted into the first groove body.The present invention realizes that the waterproof of terminal box, good water-proof effect are suitable for various environment, place by the cooperation of groove body, protrusion when upper and lower box body is compressed, and structure is simple, one box of upper and lower box body, easy for installation, stable, low in cost.
Description
Technical field
The present invention relates to a kind of waterproof electric detonator terminal boxes.
Background technique
Electric detonator is the electric cap controlled using electronic control module initiation process.When detonation, usually pass through
The ignition of terminal box realization electronic detonator initiating bus, detonator wire.
Referring to Publication No.: what the patent of CN206073826U disclosed that a kind of electric detonator payment to a porter connect with detonating cord connects
Wire box includes the upper cover plate and lower cover plate of wiring card and integrally connected；Upper cover plate can be turned down and is buckled on lower cover plate；Wiring
Card is arranged on lower cover plate；There are two wiring cards, connects respectively at two detonation buses of detonator；Wiring is provided on lower cover plate
The opening direction of slot, wiring card and connecting groove is consistent；Live conductor muscle is set on upper cover plate；The end of lower cover plate is provided with protrusion
Head；The end of upper cover plate is provided with the connection buckle that can be buckled on protrusion head.Detonator wire is just connect in wiring card when leaving the factory
On, when in use, it is only necessary to detonation bus be put along connecting groove, upper and lower lids are then closed, detonation bus can be realized certainly
The connection of dynamic broken skin and detonator wire.
But this structure of the prior art have the following deficiencies: due to terminal box need connect detonation bus, detonator foot
Line, the opening of the terminal box workplace big in rainy days, humidity, terminal box are easy water inlet, have a possibility that short circuit, so that nothing
Method carries out normal detonation or other serious accidents to electric detonator.
Therefore, in order to solve the problems, such as water inlet, user can place sealing ring in terminal box and carry out waterproof, but place
The movement of sealing ring will increase one of connection process, time-consuming and laborious, greatly reduces working efficiency, increases production cost.
Summary of the invention
The object of the present invention is to provide a kind of waterproof electric detonator terminal boxes.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of waterproof electric detonator terminal box, including box body offer on the box body for penetrating, being pierced by detonation bus
Bus opening, the payment to a porter for penetrating detonator wire are open, and the box body includes upper cartridge body, lower box body, the upper cartridge body,
The opposite lid of lower box body, which closes, forms the box body, is provided with the first waterproof construction, the first waterproof knot in the box body
Structure include the upper cartridge body is set, at least two the first convex ribs in lower box body in one, be arranged in the upper cartridge body,
At least one first protrusion in another in lower box body forms the first groove body between the first convex ribs described in adjacent two, when
When the opposite lid of the upper cartridge body, lower box body closes, first protrusion is inserted into first groove body.
Preferably, the bus opening is opened up on the box body, payment to a porter opening is provided with first waterproof
Structure.
Preferably, first is convex described in the lateral box wall formation one of the upper cartridge body or lower box body of the first convex ribs described in being arranged
Muscle；First protrusion described in the lateral box wall formation one of the upper cartridge body or lower box body of first protrusion is set.
Preferably, first convex ribs, offer on first protrusion allow to detonate bus or detonator wire it is logical
That crosses keeps away position mouthful.
Preferably, the length of first protrusion is not more than the length of first groove body.
Preferably, the box body is additionally provided with interconnecting piece, and the interconnecting piece, the payment to a porter opening are located at institute
The opposite sides for the box body stated, the both ends of the interconnecting piece are connected with the upper cartridge body, lower box body respectively.
Preferably, the second waterproof construction is additionally provided on the box body, second waterproof construction is arranged described
Interconnecting piece and the upper cartridge body, lower box body junction, second waterproof construction includes that the upper box is arranged in
Body, lower box body one it is upper and extend to the interconnecting piece two sides the second groove body, that the upper cartridge body, lower box body is arranged in is another
The second protrusion on one, the shape of second protrusion and the shape of second groove body match, when described upper
When the opposite lid of box body, lower box body closes, second protrusion is inserted into second groove body.
It is further preferred that the interconnecting piece is connected to the upper end of the upper cartridge body, lower box body rear box wall, it is described
Second groove is lower than the surface of the interconnecting piece, and second protrusion protrudes from the surface of the interconnecting piece, described
Second groove is provided with one, and second protrusion is provided with one.
Preferably, the bore of bus opening is less than the outer diameter of detonation bus；The bore of the payment to a porter opening is small
In the outer diameter of detonator wire.
Preferably, side opening is offered on the lateral box wall of the upper cartridge body；It is opened on the lateral box wall of the lower box body
Equipped with lower opening, when the upper cartridge body, the opposite lid of lower box body close, the opening phase of the upper side opening, lower opening
It is right, and enclose the bus opening.
It is further preferred that the upper side opening, lower opening are V-shaped.
Preferably, the upper cartridge body, lower box body are integrally formed.
Two sides, the front side of the box body are provided with first waterproof construction, and anti-positioned at described in two sides first
First convex ribs described in water-bound setting three, the first protrusion described in two, the first convex ribs described in three form two institutes
The first groove body stated；Positioned at described in the first convex ribs described in the setting of the first waterproof construction described in front side four, two first
Protrusion, the first convex ribs described in four formed two described in the first groove body.
Preferably, it is provided on the box body for the upper cartridge body, lower box body to be carried out the locking that lid closes locking
The side that the box body opens up the payment to a porter opening is arranged in structure, the locking structure.
Preferably, the locking structure include the upper cartridge body is set, the locking in lower box body on one is hooked, is set
Set the clamping block in the upper cartridge body, lower box body on another, when locking, the clamping block is located at the locking and hooks
It is interior.
Preferably, cavern part is formed on the upper cartridge body and/or lower box body.
Preferably, the bus is provided with the left and right sides of the box body；The payment to a porter is provided with
The front side of the box body.
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art:
The present invention realizes that the waterproof of terminal box, good water-proof effect are fitted by the cooperation of groove body, protrusion when upper and lower box body is compressed
For various environment, place, and structure is simple, one box of upper and lower box body, easy for installation, stable, low in cost.
Detailed description of the invention
Attached drawing 1 is the stereoscopic schematic diagram of the present embodiment；
Attached drawing 2 is the schematic front view of the present embodiment；
Attached drawing 3 is the schematic side view of the present embodiment.
Wherein: 1, box body；10, upper cartridge body；100, fixing muscle；101, the first protrusion；102, the second protrusion；103, upside is opened
Mouthful；104, upper front opening；105, locking hooks；11, lower box body；110, fixed area；111, the first convex ribs；112, the first groove body；
113, the second groove body；114, lower opening；115, lower open front；116, clamping block；1160, guiding surface；117, cavern part；
12, interconnecting piece；2, detonate bus；3, detonator wire.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
A kind of waterproof electric detonator terminal box as shown in Figs. 1-3, including box body 1, offer on box body 1 for penetrating,
It is pierced by the bus opening of detonation bus 2, the payment to a porter for penetrating detonator wire 3 is open.Bus is provided with the left and right of box body 1
Two sides there are four bus opens up, are symmetrically provided with the left and right sides of box body 1 two-by-two；Payment to a porter is provided with box body 1
Front side, payment to a porter offer one.
Box body 1 includes upper cartridge body 10, lower box body 11, and the opposite lid of upper cartridge body 10, lower box body 11, which closes, forms box body 1.In this reality
Apply in example: box body 1 is additionally provided with interconnecting piece 12, and the rear side of box body 1, i.e. interconnecting piece 12, payment to a porter opening point is arranged in interconnecting piece 12
Not Wei Yu box body 1 opposite sides, the both ends of interconnecting piece 12 are connected with upper cartridge body 10, lower box body 11 respectively, and are connected to
The upper end of box body 10,11 rear box wall of lower box body.That is, the upper cartridge body 10 of entire box body 1, lower box body 11 pass through interconnecting piece 12
It is wholely set, when generating production, injection molding can be passed through, 3D printing is integrally formed.Gai Hehou, the rear portion of entire 1 cross section of box body
It is square, front is trapezoidal, as shown in Figure 2.
In lower box body 11, it is provided with the fixed area 110 of the wiring card for fixed detonation bus 2 to be arranged, it is corresponding
There are two the settings of fixed area 110；Detonation bus 2 is penetrated from the bus of 1 side of box body opening, by being arranged in fixed area
110 wiring card is fixed, and is pierced by from the bus of 1 other side of box body opening；It can be set in upper cartridge body 10 and 110 phase of fixed area
Corresponding fixing muscle 100.
The first waterproof construction is provided in box body 1, the first waterproof construction includes at least two be arranged in lower box body 11
First convex ribs 111, at least one first protrusion 101 being arranged in upper cartridge body 10 are formed between adjacent two the first convex ribs 111
First groove body 112, the length of the first protrusion 101 are not more than the length of the first groove body 112.When upper cartridge body 10, lower box body 11 are opposite
When lid closes, the first protrusion 101 is inserted into the first groove body 112, forms waterproof construction.In the present embodiment: opening up mother on box body 1
Line opening, payment to a porter opening are provided with the first waterproof construction, i.e., the first groove body 112, the are arranged in bus opening, payment to a porter opening
One protrusion 101.Wherein: the position of two side bus opening is provided with three the first convex ribs 111, shape between three the first convex ribs 111
At two the first groove bodies 112, corresponding first protrusion 101 is arranged two, it can forms three water dams；Front side payment to a porter is opened
The position of mouth is provided with four the first convex ribs 111, and two the first groove bodies 112 are also formed between four the first convex ribs 111, corresponding
First protrusion 101 is also provided with two, it can forms twice water dam.It can certainly be arranged more, but two groups optimal.In
In the present embodiment: the lateral box wall of lower box body 11 forms first convex ribs 111；The lateral box wall of upper cartridge body 10 formed one it is first convex
Portion 101.
The second waterproof construction is additionally provided on box body 1, the second waterproof construction is arranged in interconnecting piece 12 and upper cartridge body 10, lower box
The junction of body 11, the second waterproof construction include the second groove body for being arranged on lower box body 11 and extending to 12 two sides of interconnecting piece
113, the second protrusion 102 on upper cartridge body 10 is set, the shape of the second protrusion 102 and the shape of the second groove body 113 match,
Second groove 113 is lower than the surface of interconnecting piece 12, and the second protrusion 102 protrudes from the surface of interconnecting piece 12, when upper cartridge body 10, lower box
When the opposite lid of body 11 closes, the second protrusion 102 is inserted into the second groove body 113, forms waterproof construction.In the present embodiment: second
Groove body 113, the second protrusion 102 are arranged one group, it can form twice water dam.It can of course be also provided with more, but one group
It is optimal.
Side opening 103 is offered on the lateral box wall (the first protrusion 101 in this structure) of upper cartridge body 10；Lower box body 11
Lower opening 114 is offered on lateral box wall (the first convex ribs 111 in this structure), upper side opening 103, lower opening 114 are in V
Shape.When upper cartridge body 10, the opposite lid of lower box body 11 close, upper side opening 103, the opening of lower opening 114 are opposite, and enclose mother
The bore of line opening, the bus opening of enclosing is less than the outer diameter of detonation bus 2, if bus outer diameter is 1.0mm, bus opening
Bore be 0.9mm, bus opening bus is clamped, also function to certain waterproof effect.
Likewise, upper front opening 104 is offered on the front box wall (the first protrusion 101 in this structure) of upper cartridge body 10, under
Lower open front 115, upper front opening 104, lower open front are offered on the front box wall (the first convex ribs 111 in this structure) of box body 11
115 semicirculars in shape.When upper cartridge body 10, the opposite lid of lower box body 11 close, upper front opening 104, the opening of lower open front 115 are opposite,
And payment to a porter opening is enclosed, the bore of the payment to a porter opening of enclosing is less than the outer diameter of detonator wire 3, as payment to a porter outer diameter is 3.0mm
Words, the bore of payment to a porter opening are 2.9mm, and payment to a porter opening clamps payment to a porter, also function to certain waterproof effect.
Pass through for the ease of detonation bus 2, detonator wire 3, the first convex ribs 111, the first protrusion open up on 102 corresponding position
There is allow detonation bus 2 or detonator wire 3 to pass through to keep away position mouthful (not shown).
It is provided on box body for upper cartridge body 10, lower box body 11 to be carried out the locking structure that lid closes locking, locking structure is set
It sets in the front side of box body 1, i.e., box body 1 opens up the side that payment to a porter is open, and protrudes the front with box body 1.
In the present embodiment: locking structure includes that the locking being arranged on upper cartridge body 10 hooks 105, is arranged at lower box body 11
On clamping block 116, lid close locking when, clamping block 116 be caught in locking hook 105 in.For the ease of being smoothly caught in, in clamping block
Guiding surface 1160 can be set on 116.
In addition, being formed with cavern part 117 on upper cartridge body 10 and/or lower box body 11.In the present embodiment: being opened up on lower box body 11
There is cavern part 117, it is possible to reduce the weight of entire lower box body 11.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of waterproof electric detonator terminal box, including box body, offer on the box body for penetrating, being pierced by detonation bus
Bus opening, for penetrate detonator wire payment to a porter be open, the box body includes upper cartridge body, lower box body, the upper box
The opposite lid of body, lower box body, which closes, forms the box body, it is characterised in that: the first waterproof construction, institute are provided in the box body
The first waterproof construction stated include the upper cartridge body is set, at least two the first convex ribs in lower box body in one, setting
At least one first protrusion in the upper cartridge body, lower box body in another, between the first convex ribs described in adjacent two
The first groove body is formed, when the upper cartridge body, the opposite lid of lower box body close, first protrusion is inserted into first slot
In vivo.
2. waterproof electric detonator terminal box according to claim 1, it is characterised in that: described in being opened up on the box body
Bus opening, payment to a porter opening are provided with first waterproof construction.
3. waterproof electric detonator terminal box according to claim 1, it is characterised in that: the upper of first convex ribs is arranged
First convex ribs described in the box wall of box body or lower box body formation one；The upper cartridge body or lower box body of first protrusion are set
First protrusion described in box wall formation one.
4. waterproof electric detonator terminal box according to claim 1 or 3, it is characterised in that: first convex ribs, described
The first protrusion on offer that allow to detonate bus or detonator wire pass through keep away position mouthful.
5. waterproof electric detonator terminal box according to claim 1, it is characterised in that: the box body is additionally provided with connection
Portion, the interconnecting piece, the payment to a porter opening are located at the opposite sides of the box body, the both ends of the interconnecting piece
It is connected respectively with the upper cartridge body, lower box body.
6. waterproof electric detonator terminal box according to claim 5, it is characterised in that: be additionally provided on the box body
The junction of the interconnecting piece and the upper cartridge body, lower box body is arranged in two waterproof constructions, second waterproof construction,
Second waterproof construction include be arranged in the upper cartridge body, lower box body one it is upper and extend to the interconnecting piece two sides
The second groove body, the second protrusion of the upper cartridge body, lower box body on another is set, the shape of second protrusion with
The shape of second groove body matches, when the upper cartridge body, the opposite lid of lower box body close, the second protrusion insertion
In to second groove body.
7. waterproof electric detonator terminal box according to claim 6, it is characterised in that: the interconnecting piece is connected to described
Upper cartridge body, lower box body rear box wall upper end, second groove be lower than the interconnecting piece surface, described second is convex
Portion protrudes from the surface of the interconnecting piece, and second groove is provided with one, and second protrusion is provided with one.
8. waterproof electric detonator terminal box according to claim 1, it is characterised in that: the bore of the bus opening is small
In the outer diameter of detonation bus；The bore of the payment to a porter opening is less than the outer diameter of detonator wire.
9. waterproof electric detonator terminal box according to claim 1 or 8, it is characterised in that: the side box of the upper cartridge body
Side opening is offered on wall；Lower opening is offered on the lateral box wall of the lower box body, when the upper cartridge body, lower box body
When opposite lid closes, the upper side opening, the opening of lower opening are opposite, and enclose the bus opening.
10. waterproof electric detonator terminal box according to claim 1, it is characterised in that: two sides, the front side of the box body
Be provided with first waterproof construction, and be located at the first waterproof construction described in two sides be arranged three described in the first convex ribs,
First protrusion described in two, the first convex ribs described in three formed two described in the first groove body；Positioned at described in front side
First convex ribs described in one waterproof construction setting four, the first protrusion described in two, the first convex ribs described in four form two
First groove body described in item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788558.3A CN110474270A (en) | 2019-08-26 | 2019-08-26 | Waterproof electric detonator terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788558.3A CN110474270A (en) | 2019-08-26 | 2019-08-26 | Waterproof electric detonator terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110474270A true CN110474270A (en) | 2019-11-19 |
Family
ID=68512818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910788558.3A Pending CN110474270A (en) | 2019-08-26 | 2019-08-26 | Waterproof electric detonator terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474270A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823025A (en) * | 2019-12-07 | 2020-02-21 | 东莞市精端精密五金制品有限公司 | Quick binding clip of electron detonator |
| CN111307001A (en) * | 2020-02-27 | 2020-06-19 | 广东锡源爆破科技股份有限公司 | Industrial electronic detonator clamp waterproof device and use method thereof |
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| CN209016285U (en) * | 2018-11-27 | 2019-06-21 | 东莞市创者自动化科技有限公司 | Terminating wire box and detector for electronic detonator network |
| CN110044222A (en) * | 2019-05-17 | 2019-07-23 | 雅化集团绵阳实业有限公司 | Industrial digital electric detonator water proof type line card and installation method |
| CN210536230U (en) * | 2019-08-26 | 2020-05-15 | 苏州安大电子设备有限公司 | Waterproof electronic detonator junction box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110823025A (en) * | 2019-12-07 | 2020-02-21 | 东莞市精端精密五金制品有限公司 | Quick binding clip of electron detonator |
| CN111307001A (en) * | 2020-02-27 | 2020-06-19 | 广东锡源爆破科技股份有限公司 | Industrial electronic detonator clamp waterproof device and use method thereof |
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