CN204720369U - A kind of Electrical key switching device - Google Patents
A kind of Electrical key switching device Download PDFInfo
- Publication number
- CN204720369U CN204720369U CN201520482721.0U CN201520482721U CN204720369U CN 204720369 U CN204720369 U CN 204720369U CN 201520482721 U CN201520482721 U CN 201520482721U CN 204720369 U CN204720369 U CN 204720369U
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- terminal
- lock core
- groove
- key
- lock body
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Abstract
The utility model relates to a kind of low tension key switch device, particularly the Electrical key switching device of a kind of screening key switch and pearl key switch (i.e. flat key switch and circle key switch) dual-purpose; There is provided a kind of Electrical key switching device, this device can use two kinds of dissimilar locomotives key operated or close; A kind of Electrical key switching device, comprise lock body, one-level lock core and secondary lock core, described one-level lock core and secondary lock core are embedded in lock body, the bottom of described secondary lock core is fixed with screw, the bottom of described lock body is fixed with sensitive switch, described screw can contact with sensitive switch, also comprises end face, and thread connection is passed through in the upper end of described end face and lock body; The utility model is mainly used in electric locomotive aspect.
Description
Technical field
The utility model relates to a kind of low tension key switch device, particularly the Electrical key switching device of a kind of screening key switch and pearl key switch (i.e. flat key switch and circle key switch) dual-purpose.
Background technology
Electrical key switch is used to open and close the visual plant on locomotive, visual plant in the past on locomotive moves and changes the work condition state of locomotive equipment in order to avoid the unrest of non-crew member, usually Electrical key switch to be equipped with, existing Electrical key switch is the key one to one carried in the market, which increase the key quantity of crew's body-worn, also the management difficulty of locomotive equipment is increased, common low tension key switch also only can meet a kind of use of key switch, be generally all plastic product, volume is large, intensity is little, cracky, its contact system often adopts lever turning mechanism, touch contact by spring and realize on-off action, touch insensitive phenomenon and also often have generation, therefore, be necessary to improve prior art.
Utility model content
In order to overcome in prior art existing deficiency, provide a kind of Electrical key switching device, this device can use two kinds of dissimilar locomotives key operated or close.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of Electrical key switching device, comprise lock body, one-level lock core and secondary lock core, described one-level lock core and secondary lock core are embedded in lock body, and the bottom of described secondary lock core is fixed with screw, the bottom of described lock body is fixed with sensitive switch, and described screw can contact with sensitive switch;
Annular groove is provided with in described one-level lock core, the first terminal and the second terminal is provided with in described annular groove, described the first terminal and the second terminal centerlines are 90 °, the annular groove top of described one-level lock core is provided with the first groove and the second groove, the angle of described first groove and the second groove center line is 90 °, the first half of described lock body is fixed with the 3rd terminal and the 4th terminal, between the first terminal of described 3rd terminal in annular groove and the second terminal, described 4th terminal is slidably connected by the first spring and the first ball and one-level lock core, described first ball is between the first groove and the second groove,
Described secondary latch in-core is provided with annular groove, Five-terminals and the 6th terminal is provided with in described annular groove, described Five-terminals and the 6th terminal centerlines are 90 °, the annular groove top of described secondary lock core is provided with the 3rd groove and the 4th groove, the angle of described 3rd groove and the 4th groove center line is 90 °, the latter half of described lock body is fixed with the 7th terminal and the 8th terminal, between the Five-terminals of described 7th terminal in annular groove and the 6th terminal, described 8th terminal is slidably connected by the second spring and the second ball and secondary lock core, described second ball is between the 3rd groove and the 4th groove.
Also comprise end face, thread connection is passed through in the upper end of described end face and lock body.
The beneficial effect that compared with prior art the utility model has is:
1, the utility model achieves the dissimilar locomotive key of use two kinds and all can open or close this Electrical key switching device, is that enterprise saves manufacturing cost;
2, Electrical key switching device adopts all-metal construction parts, and volume is little, and intensity is large, and not cracky, opens and closes smooth and easy, and energy self-locking;
3, composite type clamps mounting means, and mounting or dismounting flexibly, conveniently, reliably;
4, reduce the key quantity of crew body-worn, namely only have a locomotive initiation key just can open visual plant on locomotive, be more of value to the management of locomotive equipment.
Accompanying drawing explanation
Below by accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is structure cutaway view of the present utility model;
Fig. 2 is vertical view of the present utility model;
Fig. 3 is the front view of the utility model one-level lock core;
Fig. 4 is the end view of the utility model one-level lock core;
Fig. 5 is the front view of the utility model secondary lock core;
Fig. 6 is the end view of the utility model secondary lock core;
Fig. 7 is working state schematic representation of the present utility model.
In figure: 1 be lock body, 2 be one-level lock core, 3 be secondary lock core, 4 be screw, 5 be sensitive switch, 6 be end face for the first terminal, 7 be the second terminal, 8 be the first groove, 9 be the second groove, 10 be the 3rd terminal, 11 be the 4th terminal, 12 be the first spring, 13 be the first ball, 14 be Five-terminals, 15 be the 6th terminal, 16 be the 3rd groove, 17 be the 4th groove, 18 be the 7th terminal, 19 be the 8th terminal, 20 be the second spring, 21 is the second ball, 22.
Embodiment
The utility model will be further described by reference to the accompanying drawings for embodiment below.
Shown in composition graphs 1 and Fig. 7, a kind of Electrical key switching device, comprise lock body 1, one-level lock core 2 and secondary lock core 3, described one-level lock core 2 and secondary lock core 3 are embedded in lock body 1, the bottom of described secondary lock core 3 is fixed with screw 4, and the bottom of described lock body 1 is fixed with sensitive switch 5, and described screw 4 can contact with sensitive switch 5, also comprise end face 22, described end face 22 passes through thread connection with the upper end of lock body 1.
In above-mentioned, key realizes the open and close of power supply by the screw 4 that is connected to secondary lock core 3 end face and the contact chip of the sensitive switch 5 be fixed on lock body 1, end cap 22 can through panel sectional on required control panel with lock body 1, both clamp mounting means by thread combined type, and mounting or dismounting flexibly, conveniently, reliably.
Composition graphs 1, shown in Fig. 3 and Fig. 4, annular groove is provided with in described one-level lock core 2, the first terminal 6 and the second terminal 7 is provided with in described annular groove, described the first terminal 6 and the second terminal 7 centerlines are 90 °, the annular groove top of described one-level lock core 2 is provided with the first groove 8 and the second groove 9, the angle of described first groove 8 and the second groove 9 center line is 90 °, the first half of described lock body 1 is fixed with the 3rd terminal 10 and the 4th terminal 11, between the first terminal 6 of described 3rd terminal 10 in annular groove and the second terminal 7, described 4th terminal 11 is slidably connected with one-level lock core 2 by the first spring 12 and the first ball 13, described first ball 13 is between the first groove 8 and the second groove 9.
In above-mentioned, pinned the annular groove of one-level lock core 2 by the 3rd terminal 10, make it not come off in lock body 1; The first terminal 6 and the second terminal 7 are embedded in the annular groove of one-level lock core 2, the first terminal 6 becomes 90 degree of right angles with the center line of the second terminal 7, and have the first groove 8 in one-level lock core 2 side and the second groove 9, first groove 8 becomes 90 degree of right angles with the second groove 9 center line; When lock body 1 assembles, the first terminal 6 is close to the 3rd terminal 10, first ball 13 is positioned at the first groove 8 place under the pressure effect of the first spring 12 and the 4th terminal 11, after two kinds of keys are by one-level lock core 2 and secondary lock core 3 90-degree rotation, second terminal 7 is close to the 3rd terminal 10, first ball 13 slips down to the second groove 9 place in the pressure effect of the first spring 12 and the 4th terminal 11, so far, one-level lock core 2 completes a lock core 90 degree of location, when key resets, be also in like manner a lock core 90 degree of location.
Composition graphs 1, shown in Fig. 5 and Fig. 6, annular groove is provided with in described secondary lock core 3, Five-terminals 14 and the 6th terminal 15 is provided with in described annular groove, described Five-terminals 14 and the 6th terminal 15 centerlines are 90 °, the annular groove top of described secondary lock core 3 is provided with the 3rd groove 16 and the 4th groove 17, the angle of described 3rd groove 16 and the 4th groove 17 center line is 90 °, the latter half of described lock body 1 is fixed with the 7th terminal 18 and the 8th terminal 19, between the Five-terminals 14 of described 7th terminal 18 in annular groove and the 6th terminal 15, described 8th terminal 19 is slidably connected with secondary lock core 3 by the second spring 20 and the second ball 21, described second ball 21 is between the 3rd groove 16 and the 4th groove 17.
In above-mentioned, pinned the annular groove of secondary lock core 3 by the 7th terminal 18, make it not come off in lock body; Five-terminals 14 and the 6th terminal 15 are embedded in the annular groove of secondary lock core 3, Five-terminals 14 becomes 90 degree of right angles with the center line of the 6th terminal 15, and have the 3rd groove 16 in secondary lock core 3 side and the 4th groove the 17, three groove 16 becomes 90 degree of right angles with the 4th groove 17 center line; When lock body 1 assembles, Five-terminals 14 is close to the 7th terminal 18, second ball 21 is positioned at the 3rd groove 16 place under the pressure effect of the second spring 20 and the 8th terminal 19, after two kinds of keys are by one-level lock core 2 and secondary lock core 3 90-degree rotation, 6th terminal 15 is close to the 7th terminal 18, second ball 21 slips down to the 4th groove 17 place in the pressure effect of the second spring 20 and the 8th terminal 19, so far, secondary lock core 3 completes a lock core 90 degree of location, when key resets, be also in like manner a lock core 90 degree of location.
As shown in Figure 2, keyhole transverse width of the present utility model is greater than vertical width, key laterally can insert, because the ears width of the canine tooth peace key of circle key is all greater than vertical width and is less than transverse width, therefore, when key is laterally inserted and turn clockwise after 90 °, circle key peace key all can pull out out, can pull out after key resets.
Known by description above, the utility model can realize two kinds of dissimilar locomotive keys and open and close Electrical key switching device of the present utility model simultaneously, it is first grade when two kinds of keys insert lock core inside, now, freely, when after key half-twist, key touches sensitive switch by lock core structure driven rotary to the plug of key energy, thus equipment is powered, and now key can pull out out; When key switch device leaves unused, the lock core of the inside has auto-lock function, can not with locomotive vibration generation autobiography; Further, one-level lock core and secondary lock core all can only turn two grades, namely 90 degree, can not turn arbitrarily.
Drawings and Examples described herein are only in order to illustrate that technical solutions of the utility model are not intended to limit; Although carried out comparatively detailed description with reference to preferred embodiments to the utility model, it will be understood by those skilled in the art that; Still can modify to embodiment of the present utility model or equivalent replacement is carried out to portion of techniques feature; And not departing from the spirit of the utility model scheme, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (2)
1. an Electrical key switching device, it is characterized in that: comprise lock body (1), one-level lock core (2) and secondary lock core (3), described one-level lock core (2) and secondary lock core (3) are embedded in lock body (1), the bottom of described secondary lock core (3) is fixed with screw (4), the bottom of described lock body (1) is fixed with sensitive switch (5), and described screw (4) can contact with sensitive switch (5);
Annular groove is provided with in described one-level lock core (2), the first terminal (6) and the second terminal (7) is provided with in described annular groove, described the first terminal (6) and the second terminal (7) centerlines are 90 °, the annular groove top of described one-level lock core (2) is provided with the first groove (8) and the second groove (9), described first groove (8) is 90 ° with the angle of the second groove (9) center line, the first half of described lock body (1) is fixed with the 3rd terminal (10) and the 4th terminal (11), described 3rd terminal (10) is positioned between the first terminal (6) of annular groove and the second terminal (7), described 4th terminal (11) is slidably connected with one-level lock core (2) by the first spring (12) and the first ball (13), described first ball (13) is positioned between the first groove (8) and the second groove (9),
Annular groove is provided with in described secondary lock core (3), Five-terminals (14) and the 6th terminal (15) is provided with in described annular groove, described Five-terminals (14) and the 6th terminal (15) centerlines are 90 °, the annular groove top of described secondary lock core (3) is provided with the 3rd groove (16) and the 4th groove (17), described 3rd groove (16) is 90 ° with the angle of the 4th groove (17) center line, the latter half of described lock body (1) is fixed with the 7th terminal (18) and the 8th terminal (19), described 7th terminal (18) is positioned between the Five-terminals (14) of annular groove and the 6th terminal (15), described 8th terminal (19) is slidably connected with secondary lock core (3) by the second spring (20) and the second ball (21), described second ball (21) is positioned between the 3rd groove (16) and the 4th groove (17).
2. a kind of Electrical key switching device according to claim 1, is characterized in that: also comprise end face (22), and described end face (22) passes through thread connection with the upper end of lock body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482721.0U CN204720369U (en) | 2015-07-07 | 2015-07-07 | A kind of Electrical key switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482721.0U CN204720369U (en) | 2015-07-07 | 2015-07-07 | A kind of Electrical key switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720369U true CN204720369U (en) | 2015-10-21 |
Family
ID=54319345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520482721.0U Expired - Fee Related CN204720369U (en) | 2015-07-07 | 2015-07-07 | A kind of Electrical key switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395889A (en) * | 2020-03-30 | 2020-07-10 | 南京康尼机电股份有限公司 | Electric key switch device |
-
2015
- 2015-07-07 CN CN201520482721.0U patent/CN204720369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395889A (en) * | 2020-03-30 | 2020-07-10 | 南京康尼机电股份有限公司 | Electric key switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20210707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |