CN209329005U - Button cell connector - Google Patents
Button cell connector Download PDFInfo
- Publication number
- CN209329005U CN209329005U CN201920231925.5U CN201920231925U CN209329005U CN 209329005 U CN209329005 U CN 209329005U CN 201920231925 U CN201920231925 U CN 201920231925U CN 209329005 U CN209329005 U CN 209329005U
- Authority
- CN
- China
- Prior art keywords
- button cell
- insulating base
- main part
- pressing notch
- cell connector
- 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
- 238000003825 pressing Methods 0.000 claims abstract description 59
- 230000004308 accommodation Effects 0.000 claims description 29
- 239000004568 cement Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Multi-Conductor Connections (AREA)
Abstract
The utility model discloses a button cell connector, which comprises an insulating seat with a containing groove, and a positive terminal and a negative terminal which are arranged in the insulating seat, after the button cell is inserted in the containing groove, the button cell is pressed and contacted with the positive terminal and the negative terminal, the bottom of the insulating seat is provided with a first hollowed-out opening and a second hollowed-out opening which are symmetrical with each other, so that a supporting beam is formed in the middle of the bottom of the insulating seat, the upper end of the insulating seat is provided with a first pressing gap and a second pressing gap which are symmetrical with each other and are communicated with the containing groove, the first pressing gap and the second pressing gap are respectively arranged above the first hollowed-out opening and the second hollowed-out opening, both sides of the upper end of the first pressing gap and both sides of the upper end of the second pressing gap are provided with positioning buckles for positioning the button cell, the middle part of the upper end of the supporting beam is formed with a plastic elastic arm, the, and the edge of the button cell is exposed in the first and second pressing gaps.
Description
Technical field:
The utility model relates to connector product technical fields, refer in particular to a kind of button cell connector.
Background technique:
Button cell (button cell) is also referred to as button cell, refers to outer dimension as the battery of a small button；Button
Battery is widely used in various miniature electronic products because the bodily form is smaller, and diameter is from 4.8mm to 30mm, thickness
From 1.0mm to 7.7mm etc.；Be generally used for the backup power supply of each electronic product, as computer main board, electronic watch, electronic dictionary,
Electronic scale, remote controler, electronic toy, pacemaker, electronic hearing aid, counter, camera etc..
Button cell connector is typically welded on pcb board for loading button cell, is used for powering.Existing skill
Button cell connector in art has the following deficiencies: after button cell is installed in button cell connector, button electricity
Pond is difficult to dismantle, and causes replacement to be got up very complicated, and it is not convenient enough to use.
In view of this, the present inventor proposes following technical scheme.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of button cell connector.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals: the button cell connector packet
The positive terminal and negative terminal for including insulating base and being installed in insulating base are formed in the insulating base and are inserted for button cell
Accommodation groove, after which is plugged in the accommodation groove, compresses and contact with the positive terminal and negative terminal, the insulation
Seat bottom offers symmetrical the first hollow out mouth and the second hollow out mouth, so as to it is formed with supporting beam among insulating base bottom,
The insulating base upper end offers symmetrically and is connected to the first pressing notch and the second pressing notch of accommodation groove, first pressing
Notch and the second pressing notch are respectively placed in above the first hollow out mouth and the second hollow out mouth, and the first pressing notch upper end two sides
Be provided with the locating fastener for positioning button cell with the second pressing notch upper end two sides, the supporting beam upper center at
Type has plastic cement elastic arm, which raises upward and protrude into the accommodation groove, the plastic cement elastic arm and button cell bottom surface
Middle part contact, and cooperate locating fastener to fasten the button cell being plugged in the accommodation groove, and the button cell edge is revealed in
In the first pressing notch and the second pressing notch.
Furthermore, in above-mentioned technical proposal, the supporting beam two sides are provided with the inclined-plane that warps.
Furthermore, in above-mentioned technical proposal, the locating fastener lower end is provided with for contacting with button cell
Position inclined-plane.
Furthermore, in above-mentioned technical proposal, the locating fastener side is formed convenient for button cell tilting
First inclined-plane, first inclined-plane connection, the first pressing notch or the second pressing notch.
Furthermore, in above-mentioned technical proposal, the locating fastener upper end forms lead-in chamfered.
Furthermore, in above-mentioned technical proposal, the insulating base lower end forms several keels.
Furthermore, in above-mentioned technical proposal, the negative terminal has two the first flexible actuator arms, first elasticity
Contact arm protrudes horizontally up, and is placed in the supporting beam upper end.
Furthermore, in above-mentioned technical proposal, the negative terminal includes the first main part, takes shape in first master
First leg at body subordinate end and two bending formings are in first flexible actuator arm of the first main part upper end and molding
The first positioning cards stretched out in the first main part side and from bottom to top, which swells upwards；It should
First main part is inserted in from top to bottom in the first end pilot trench in the insulating base, which stretches out in the insulating base
Outside lower end surface, and first positioning cards engaging is positioned in the first card slot of first end pilot trench inner wall setting.
Furthermore, in above-mentioned technical proposal, the positive terminal has two the second flexible actuator arms, second elasticity
Contact arm from top to bottom extends and column distribution, and highlights in the accommodation groove.
Furthermore, in above-mentioned technical proposal, the positive terminal includes the second main part, takes shape in second master
Second leg at body subordinate end and two punching moldings in the second main part upper end and from top to bottom extend described second
Flexible actuator arm and the second positioning cards for taking shape in the second main part side and stretching out from bottom to top, the second flexible actuator arm end
It swells outward in portion；Second main part is inserted in from top to bottom in the second end pilot trench in the insulating base, the second leg lower end
It stretches out in outside the insulating base lower end surface, and second positioning cards engaging is positioned at the second card of second end pilot trench inner wall setting
In slot.
After adopting the above technical scheme, the utility model have the following beneficial effects: compared with prior art it is practical
It is novel that button cell is plugged in the accommodation groove of the insulating base when in use, plastic cement elastic arm and button electricity in the insulating base
The contact of bottom of pond Middle face, the locating fastener of the insulating base upper end is fastened on the button cell upper end-face edge, with this by button cell
Stable position guarantees the stability of assembling structure, and the anode and cathode point of the button cell in the accommodation groove of the insulating base
It does not compress and contacts with the positive terminal and negative terminal, steadily electrically conducted with realizing；When needing replacing button cell, by
It raises upward in the plastic cement elastic arm end and is contacted with button cell bottom surface middle part, so that the plastic cement elastic arm end can be used as the knob
The fulcrum that warps of button battery, and insulating base upper end offer symmetrically and be connected to accommodation groove the first pressing notch and second by
Notch is pressed, the first pressing notch and the second pressing notch are respectively placed in above the first hollow out mouth and the second hollow out mouth, to cause
Should from first pressing notch or second pressing notch press button cell edge when, the button cell using plastic cement elastic arm end as
Warp fulcrum, is placed on the button cell 1 in the first hollow out mouth or the second hollow out mouth, and the button cell other side edge
Second pressing notch or the first pressing notch upward sliding are determined with stretching out in outside the accommodation groove upper port of the insulating base until being detached from
Position buckle achievees the purpose that disassembly button cell with this, and easy to operate, use is very convenient, and the utility model is enabled to have pole
The strong market competitiveness.
Detailed description of the invention:
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the perspective view at another visual angle of the utility model；
Fig. 3 is the stereogram exploded view of the utility model；
Fig. 4 is the cross-sectional view of the utility model；
Fig. 5 is the perspective view of insulating base in the utility model；
Fig. 6 is the installation diagram of the utility model and button cell.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
It is a kind of button cell connector comprising insulating base 1 and be installed in insulating base 1 just as shown in Fig. 1-6
Extreme son 2 and negative terminal 3 form the accommodation groove 10 inserted for button cell 100, the button cell 100 in the insulating base 1
It after being plugged in the accommodation groove 10, compresses and contacts with the positive terminal 2 and negative terminal 3,1 bottom of insulating base offers phase
Mutual symmetrical first hollow out mouth 101 and the second hollow out mouth 102, so as to it is formed with supporting beam 11 among 1 bottom of insulating base, the insulation
1 upper end of seat offers symmetrically and is connected to the first pressing notch 103 and the second pressing notch 104 of accommodation groove 10, this first
Pressing notch 103 and the second pressing notch 104 are respectively placed in the first hollow out mouth 101 and the top of the second hollow out mouth 102, and this first
Pressing 103 upper end two sides of notch and the second pressing 104 upper end two sides of notch are provided with the positioning for positioning button cell 100
Buckle 12,11 upper center of supporting beam forms plastic cement elastic arm 111, which raises upward and protrude into
It in the accommodation groove 10, is contacted in the middle part of the plastic cement elastic arm 111 and 100 bottom surface of button cell, and cooperates the fastening inserting of locating fastener 12
Button cell 100 in the accommodation groove 10, and the button cell frontside edge is revealed in the first pressing notch 103 and second
It presses in notch 104.When the utility model is used, button cell 100 is plugged in the accommodation groove 10 of the insulating base 1, it should
It is contacted in the middle part of plastic cement elastic arm 111 and 100 bottom surface of button cell in insulating base 1, the locating fastener 12 of 1 upper end of insulating base fastens
In 100 upper end-face edge of button cell, with this by 100 stable position of button cell in the accommodation groove 10 of the insulating base 1, guarantee
The stability of assembling structure, and the anode and cathode of the button cell 100 are compressed with the positive terminal 2 and negative terminal 3 respectively
Contact is steadily electrically conducted with realizing；When needing replacing button cell 100, since 111 end of plastic cement elastic arm is upward convex
It rises and is contacted with 100 bottom surface of button cell middle part, so that 111 end of plastic cement elastic arm can be used as what the button cell 100 warped
Fulcrum, and 1 upper end of insulating base offers symmetrically and is connected to the first pressing notch 103 and the second pressing notch of accommodation groove 10
104, the first pressing notch 103 and the second pressing notch 104 are respectively placed on the first hollow out mouth 101 and the second hollow out mouth 102
Side, when causing this to press button cell frontside edge from the first pressing notch 103 or the second pressing notch 104, the button cell
100 using 111 end of plastic cement elastic arm as the fulcrum that warps, and the button cell 100 is made to be placed on the first hollow out mouth 101 or the second
In hollow out mouth 102, and 100 other side of button cell along second pressing notch 104 or first pressing 103 upward sliding of notch with
It stretches out in outside 10 upper port of accommodation groove of the insulating base 1, until being detached from locating fastener, disassembly button cell 100 is reached with this
Purpose, easy to operate, use is very convenient, and the utility model is enabled to have the extremely strong market competitiveness.
11 two sides of supporting beam are provided with the inclined-plane 112 that warps, so that more convenient button cell 100 is in disassembly
Realization warps, and passes through the convenience of operation.
12 lower end of locating fastener is provided with the positioning inclined-plane 121 for contacting with button cell 100, with this can
While positioning button cell 100, the locating fastener is detached from after warping convenient for button cell 100, it is more convenient to use.
12 side of locating fastener forms the first inclined-plane 122 tilted convenient for the button cell 100, first inclined-plane
122 connections, the first pressing notch 103 or the second pressing notch 104, so that facilitating the button cell 100 realization in disassembly
It warps, passes through the convenience of operation.
12 upper end of locating fastener forms lead-in chamfered 123.
1 lower end of insulating base forms several keels 13, and after being installed on pcb board so as to the utility model, this is absolutely
It is formed with interval between 1 lower end surface of edge seat and pcb board, in order to which the utility model is carrying out Reflow Soldering Airflow with pcb board
It is logical, guarantee welding quality.
The negative terminal 3 has two the first flexible actuator arms 31, which protrudes horizontally up, and is placed in this
It is more stable to guarantee that negative terminal 3 is contacted with button cell 100 for 11 upper end of supporting beam, and conductive effect is even more ideal.It is specific and
Speech, the negative terminal 3 includes the first main part 32, the first leg 33 and two for taking shape in 32 lower end of the first main part
Bending forming in 32 upper end of the first main part first flexible actuator arm 31 and take shape in 32 side of the first main part
And the first positioning cards 34 stretched out from bottom to top, 31 end of the first flexible actuator arm are swelled upwards；First main part 32 by
On be inserted in downwards in the first end pilot trench 14 in the insulating base 1, which stretches out in 1 lower end surface of insulating base
Outside, and first positioning cards 34 engaging is positioned in the first card slot 141 of 14 inner wall of first end pilot trench setting, is guaranteed with this
The stabilization of negative terminal 3 is assemblied on insulating base.
The positive terminal 2 has two the second flexible actuator arms 21, which from top to bottom extends side by side
Distribution, and highlight in the accommodation groove 10, it is more stable to guarantee that positive terminal 2 is contacted with button cell 100, conductive effect is more managed
Think.Specifically, the positive terminal 2 includes the second main part 22, the second weldering for taking shape in 22 lower end of the second main part
21 He of the second flexible actuator arm that foot 23 and two punching moldings in 22 upper end of the second main part and from top to bottom extend
The second positioning cards 24 for taking shape in 22 side of the second main part and stretching out from bottom to top, 21 end of the second flexible actuator arm to
Outer protuberance；Second main part 22 is inserted in from top to bottom in the second end pilot trench 15 in the insulating base 1, under second leg 23
End stretches out in outside 1 lower end surface of insulating base, and second positioning cards 24 engaging is positioned at 15 inner wall of second end pilot trench setting
The second card slot 151 in, with this guarantee positive terminal 2 stabilization be assemblied on insulating base.
In conclusion when the utility model is used, button cell 100 is plugged in the accommodation groove 10 of the insulating base 1,
It is contacted in the middle part of plastic cement elastic arm 111 and 100 bottom surface of button cell in the insulating base 1, the locating fastener 12 of 1 upper end of insulating base is detained
Together in 100 upper end-face edge of button cell, with this by 100 stable position of button cell in the accommodation groove 10 of the insulating base 1, protect
The stability of assembling structure is demonstrate,proved, and the anode and cathode of the button cell 100 are supported with the positive terminal 2 and negative terminal 3 respectively
Press contacts are steadily electrically conducted with realizing；When needing replacing button cell 100, since 111 end of plastic cement elastic arm is upward
Protrusion is simultaneously contacted with 100 bottom surface of button cell middle part, is warped so that 111 end of plastic cement elastic arm can be used as the button cell 100
Fulcrum, and 1 upper end of insulating base offer symmetrically and be connected to accommodation groove 10 first pressing notch 103 and second pressing lack
Mouth 104, the first pressing notch 103 and the second pressing notch 104 are respectively placed in the first hollow out mouth 101 and the second hollow out mouth 102
Top, when causing this to press button cell frontside edge from the first pressing notch 103 or the second pressing notch 104, button electricity
Pond 100 makes the button cell 100 be placed on the first hollow out mouth 101 or the using 111 end of plastic cement elastic arm as the fulcrum that warps
In two hollow out mouths 102, and 100 other side of button cell is along the second pressing notch 104 or the first pressing 103 upward sliding of notch
To stretch out in outside 10 upper port of accommodation groove of the insulating base 1, until being detached from locating fastener, disassembly button cell 100 is reached with this
Purpose, easy to operate, use is very convenient, enable the utility model have the extremely strong market competitiveness.
It certainly, is not to limit the utility model and implement the foregoing is merely specific embodiment of the utility model
Range, all equivalent change or modifications done according to structure, feature and principle described in present utility model application the scope of the patents, should all wrap
It includes in present utility model application the scope of the patents.
Claims (10)
1. button cell connector comprising insulating base (1) and the positive terminal (2) and cathode that are installed in insulating base (1)
Terminal (3), the accommodation groove (10) for button cell inserting is formed in the insulating base (1), which is plugged in the accommodating
After in slot (10), compresses and contacts with the positive terminal (2) and negative terminal (3),
It is characterized by: insulating base (1) bottom offers symmetrical the first hollow out mouth (101) and the second hollow out mouth
(102), so as to be formed with supporting beam (11) among insulating base (1) bottom, which offers symmetrically and connects
First pressing notch (103) and the second pressing notch (104) of logical accommodation groove (10), first pressing notch (103) and second
Pressing notch (104) is respectively placed in above the first hollow out mouth (101) and the second hollow out mouth (102), and the first pressing notch
(103) upper end two sides and second pressing notch (104) upper end two sides are provided with the locating fastener for positioning button cell
(12), supporting beam (11) upper center forms plastic cement elastic arm (111), which raises upward simultaneously
It protrudes into the accommodation groove (10), is contacted in the middle part of the plastic cement elastic arm (111) and button cell bottom surface, and cooperate locating fastener (12) tight
Admittedly be plugged in the button cell in the accommodation groove (10), and the button cell edge be revealed in this first pressing notch (103) and
In second pressing notch (104).
2. button cell connector according to claim 1, it is characterised in that: supporting beam (11) two sides are provided with
Warp inclined-plane (112).
3. button cell connector according to claim 2, it is characterised in that: locating fastener (12) lower end is provided with
Positioning inclined-plane (121) for being contacted with button cell.
4. button cell connector according to claim 3, it is characterised in that: locating fastener (12) side forms
Convenient for the button cell tilt the first inclined-plane (122), first inclined-plane (122) connection it is described first pressing notch (103) or
Second pressing notch (104).
5. button cell connector according to claim 4, it is characterised in that: locating fastener (12) upper end forms
Lead-in chamfered (123).
6. button cell connector described in -5 any one according to claim 1, it is characterised in that: under the insulating base (1)
End forms several keels (13).
7. button cell connector according to claim 6, it is characterised in that: the negative terminal (3) has two articles the
One flexible actuator arm (31), first flexible actuator arm (31) protrude horizontally up, and are placed in supporting beam (11) upper end.
8. button cell connector according to claim 7, it is characterised in that: the negative terminal (3) includes first
Main part (32), the first leg (33) for taking shape in the first main part (32) lower end and two bending formings are in first master
It first flexible actuator arm (31) of body portion (32) upper end and takes shape in the first main part (32) side and stretches out from bottom to top
The first positioning cards (34), which swells upwards；First main part (32) is inserted from top to bottom
In the first end pilot trench (14) in the insulating base (1), which stretches out in insulating base (1) lower end surface
Outside, and first positioning cards (34) engaging is positioned in the first card slot (141) of first end pilot trench (14) inner wall setting.
9. button cell connector according to claim 6, it is characterised in that: the positive terminal (2) has two articles the
Two flexible actuator arms (21), which from top to bottom extends and column distribution, and highlights in the accommodation groove (10).
10. button cell connector according to claim 9, it is characterised in that: the positive terminal (2) includes second
Main part (22), the second leg (23) for taking shape in the second main part (22) lower end and two punching moldings are in second master
Body portion (22) upper end and second flexible actuator arm (21) from top to bottom extended and take shape in the second main part (22) side
And the second positioning cards (24) stretched out from bottom to top, the second flexible actuator arm (21) end are swelled outward；Second main part
(22) it is inserted in from top to bottom in the second end pilot trench (15) in the insulating base (1), which stretches out in this
Outside insulating base (1) lower end surface, and second positioning cards (24) engaging is positioned at the of second end pilot trench (15) inner wall setting
In two draw-in groove (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231925.5U CN209329005U (en) | 2019-02-22 | 2019-02-22 | Button cell connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231925.5U CN209329005U (en) | 2019-02-22 | 2019-02-22 | Button cell connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329005U true CN209329005U (en) | 2019-08-30 |
Family
ID=67732384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231925.5U Active CN209329005U (en) | 2019-02-22 | 2019-02-22 | Button cell connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209329005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116151A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市易德能科技有限公司 | Portable charging box |
| CN114639914A (en) * | 2020-12-16 | 2022-06-17 | 沃思电子埃索斯有限责任两合公司 | Holder, arrangement comprising a holder and method for mounting a holder |
-
2019
- 2019-02-22 CN CN201920231925.5U patent/CN209329005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116151A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市易德能科技有限公司 | Portable charging box |
| CN114639914A (en) * | 2020-12-16 | 2022-06-17 | 沃思电子埃索斯有限责任两合公司 | Holder, arrangement comprising a holder and method for mounting a holder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201029193Y (en) | Electrical connector | |
| CN209329005U (en) | Button cell connector | |
| JP4708521B2 (en) | Vertical placement support device for button-type batteries | |
| CN201075472Y (en) | Electric Connector | |
| CN201289923Y (en) | Contact terminal and electric connector | |
| TWM280543U (en) | Cell holder | |
| CN201252178Y (en) | Electric connector | |
| CN206077476U (en) | Mobile terminal and its side switch mounting structure | |
| KR101069798B1 (en) | A Socket for Battery Connector | |
| US7611381B2 (en) | Electrical connector with board lock devices | |
| US20150044899A1 (en) | Electrical connector with additional exterior shell | |
| CN204516937U (en) | Electric connector | |
| CN113241276B (en) | Waterproof touch switch | |
| CN208889884U (en) | Electric connector | |
| TWI276258B (en) | Electrical connector | |
| CN207474727U (en) | Power panel bridging connector and its connection structure of application | |
| CN203339326U (en) | Circuit board dedicated electric connector | |
| CN207635286U (en) | A kind of LED module of high stability | |
| CN208690545U (en) | Without viscose glue tin piece connector | |
| CN208781908U (en) | A kind of battery holder filling double cell | |
| US20100062654A1 (en) | Electrical connector with a sustaining member | |
| CN204516936U (en) | Electric connector | |
| CN201178221Y (en) | Electric connector | |
| CN201018164Y (en) | Electrical connector | |
| CN209843528U (en) | Detection switch and detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |