CN204361035U - A kind of release of the adjusting knob with short circuit adjustable magnification - Google Patents
A kind of release of the adjusting knob with short circuit adjustable magnification Download PDFInfo
- Publication number
- CN204361035U CN204361035U CN201520080224.8U CN201520080224U CN204361035U CN 204361035 U CN204361035 U CN 204361035U CN 201520080224 U CN201520080224 U CN 201520080224U CN 204361035 U CN204361035 U CN 204361035U
- Authority
- CN
- China
- Prior art keywords
- adjusting knob
- short circuit
- release
- adjusting
- draw bar
- 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.)
- Expired - Fee Related
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Abstract
A kind of release of the adjusting knob with short circuit adjustable magnification, by gear face that the adjusting range on adjusting knob is set to be alternately arranged and sliding surface, the gear realizing short circuit drop-away current multiple regulates, due to the setting of the different gear face of the utility model and sliding surface, when short circuit multiple electric current is switched, master worker obviously can feel the change of each gear force value, thus it is more accurate to make master worker arrange the multiple of short circuit drop-away current, and by the setting of different gear faces height, realize the adjustment that each stops position height, the short circuit drop-away current multiple making them different all meets the demands the requirement of national standard.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of release of the adjusting knob with short circuit adjustable magnification.
Background technology
On market, breaker of plastic casing is when short-circuit protection, and the snap action protection of thermo magnetic trip release clapper-type is moved iron core by the big current that short circuit produces by the magnetic attraction that yoke produces and driven draw bar to realize protection of threading off.Iron core is moved in usual extension spring support in this device, keeps air gap.Circuit breaker functional requirement: release can be threaded off within the scope of the setting current of different gear, the amount of tension driving adjusting rod to realize extension spring by adjusting knob changes, like this to each pole magnetic force of product, the required precision of spring is all very high, due to whole Pyromagnetic release assembled after verify again, if there is substandard product (early dynamic or motionless) at different gears, Field adjustment cannot be carried out to product, can only disassemble product, verify again after readjusting, this beats greatly in process of production and have impact on production efficiency, cause unnecessary manpower, the waste of material resources, the adjusting range of the adjusting knob of the release of the adjusting knob that existing band is adjustable mostly is continuous print Archimedian screw curved surface, when regulating, owing to being level and smooth adjusting range, obviously can not feel the change of each gear force value, thus make the multiple setting of master worker to short circuit drop-away current be difficult to accurately, and due to traditional use Archimedian screw curved surface form adjusting range, be difficult to accomplish that different short circuit drop-away current multiples all meets the demands the requirement of national standard.
Summary of the invention
In order to solve the deficiencies in the prior art, the release providing a kind of adjusting knob with short circuit adjustable magnification of the present utility model.
The technical solution that the utility model adopts is: a kind of release of the adjusting knob with short circuit adjustable magnification, described release comprises governor motion, tripping mechanism and magnetic force mechanism, described magnetic force mechanism comprises thermal element assembly and dynamic iron core bracket, described thermal element assembly is provided with dynamic iron core bracket and is provided with dynamic iron core, described tripping mechanism comprises tripping and draw bar, described draw bar is provided with draw bar boss, one end of described dynamic iron core bracket contacts with draw bar boss and coordinates, described draw bar is also provided with the draw bar mouth of hook, the described draw bar mouth of hook coordinates with tripping grab, tripping stage clip is also provided with below described tripping, described governor motion comprises and moves adjusting rod and adjusting knob wink, move in described wink on adjusting rod and between dynamic iron core bracket and be also provided with short-circuit protection extension spring, move in described wink on adjusting rod and be also provided with adjusting rod boss, described adjusting rod boss extrudes with adjusting knob and coordinates, adjusting range is provided with bottom described adjusting knob, described adjusting range is cam surface, described adjusting range is arranged in sequence with gear face and sliding surface from top to bottom, described gear face and sliding surface are alternately arranged.
The release of described a kind of adjusting knob with short circuit adjustable magnification, described adjusting knob is provided with 6 gear faces and 5 sliding surfaces.
The release of described a kind of adjusting knob with short circuit adjustable magnification, is seamlessly transitted by sliding surface between described adjacent gear face.
The release of described a kind of adjusting knob with short circuit adjustable magnification, is parallel to each other between described gear face.
The release of described a kind of adjusting knob with short circuit adjustable magnification, described adjusting knob is provided with and is also provided with adjusting knob support, described adjusting knob and adjusting knob support snap-fit engagement.
The release of described a kind of adjusting knob with short circuit adjustable magnification, described adjusting knob is also provided with guide vane end stop, and described adjusting knob support is provided with positive stop lug boss, and described guide vane end stop contacts with positive stop lug boss and coordinates.
The beneficial effects of the utility model are: the utility model provides a kind of release of the adjusting knob with short circuit adjustable magnification, by gear face that the adjusting range on adjusting knob is set to be alternately arranged and sliding surface, the gear realizing short circuit drop-away current multiple regulates, due to the setting of the different gear face of the utility model and sliding surface, when short circuit multiple electric current is switched, master worker obviously can feel the change of each gear force value, thus it is more accurate to make master worker arrange the multiple of short circuit drop-away current, and by the setting of different gear faces height, realize the adjustment that each stops position height, the short circuit drop-away current multiple making them different all meets the demands the requirement of national standard.
Accompanying drawing explanation
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is the utility model rearview.
Fig. 3 is the utility model structure for regulating button schematic diagram.
Fig. 4 is the utility model adjusting knob vertical view.
Fig. 5 is the utility model adjusting knob and moves adjusting rod fit structure schematic diagram wink.
1-thermal element assembly in figure, 2-tripping, 3-draw bar, 4-wink moves adjusting rod; 5-adjusting knob, 11-moves iron core bracket, 12-static iron core; 21-tripping stage clip, 31-draw bar boss, the 32-draw bar mouth of hook; the extension spring of 41-short-circuit protection, 42-adjusting rod boss, 51-adjusting range; 52-gear face, 53-sliding surface, 54-adjusting knob support; 55-guide vane end stop, 56-positive stop lug boss, 111-moves iron core.
Embodiment
Existing composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 is further described the utility model, a kind of release of the adjusting knob with short circuit adjustable magnification, described release comprises governor motion, tripping mechanism and magnetic force mechanism, described magnetic force mechanism comprises thermal element assembly 1 and dynamic iron core bracket 11, described thermal element assembly 1 is provided with dynamic iron core bracket 11 and is provided with dynamic iron core 111, described thermal element assembly 1 is provided with static iron core 12, described tripping mechanism comprises tripping 2 and draw bar 3, described draw bar 3 is provided with draw bar boss 31, one end of described dynamic iron core bracket 11 contacts with draw bar boss 31 and coordinates, described draw bar 3 is also provided with the draw bar mouth of hook 32, the described draw bar mouth of hook 32 coordinates with tripping 2 grab, tripping stage clip 21 is also provided with below described tripping 2, described governor motion comprises and moves adjusting rod 4 and adjusting knob 5 wink, move in described wink on adjusting rod 4 and between dynamic iron core bracket 11 and be also provided with short-circuit protection extension spring 41, move in described wink on adjusting rod 4 and be also provided with adjusting rod boss 42, described adjusting rod boss 42 extrudes with adjusting knob 5 and coordinates, adjusting range 51 is provided with bottom described adjusting knob 5, described adjusting range 51 is cam surface, described adjusting range 51 is arranged in sequence with gear face 52 and sliding surface 53 from top to bottom, described gear face 52 is alternately arranged with sliding surface 53, described adjusting knob 5 is provided with 6 gear faces 52 and 5 sliding surfaces 53.Seamlessly transitted by sliding surface 53 between described adjacent gear face 52.Be parallel to each other between described gear face 52.By the setting of different gear face 52 with sliding surface 53, when short circuit multiple electric current is switched, master worker obviously can feel the change of each gear force value, thus it is more accurate to make master worker arrange the multiple of short circuit drop-away current, and by the setting highly of different gear faces 52, realize the adjustment that each stops position height, the short circuit drop-away current multiple making them different all meets the demands the requirement of national standard.
Described adjusting knob 5 is provided with and is also provided with adjusting knob support 54, described adjusting knob 5 and adjusting knob support 54 snap-fit engagement.
Described adjusting knob 5 is also provided with guide vane end stop 55, and described adjusting knob support 54 is provided with positive stop lug boss 56, and described guide vane end stop 55 contacts with positive stop lug boss 56 and coordinates.
When circuit does not have short circuiting work, tripping 2 is under the effect of mechanism section push rod, tripping 2 is moved inwards, draw bar 3 counterclockwise movement under the effect of draw bar back-moving spring, both are snapped together by the mouth of hook, when there is short circuit current in circuit, electric current flows through thermal element assembly 1, magnetic field is produced under the effect of static iron core 12 and yoke, attract dynamic iron core 111, dynamic iron core bracket 11 is driven to move, by hitting the draw bar boss 31 of draw bar, draw bar 3 is driven to rotate, draw bar 3 and the tripping mouth of hook are triped, tripping 2 is under the effect of tripping stage clip 21, instantaneous needle movement, striking mechanism part draw bar makes circuit breaker power-off.By rotating adjusting knob 5; it is made to point to corresponding short circuit current dropout multiple; adjusting knob 5 and wink move adjusting rod 4 to be connected; thus drive and move adjusting rod 4 wink and rotate; change the stretching length of short-circuit protection extension spring 41; thus change the size of counter-force, its short-circuit current multiple needed is changed, thus realizes the adjustable of short-circuit protection grade.
Claims (6)
1. the release with the adjusting knob of short circuit adjustable magnification, described release comprises governor motion, tripping mechanism and magnetic force mechanism, described magnetic force mechanism comprises thermal element assembly (1) and dynamic iron core bracket (11), described thermal element assembly (1) is provided with dynamic iron core bracket (11) and is provided with dynamic iron core (111), described thermal element assembly (1) is provided with static iron core (12), described tripping mechanism comprises tripping (2) and draw bar (3), described draw bar (3) is provided with draw bar boss (31), one end of described dynamic iron core bracket (11) contacts with draw bar boss (31) and coordinates, described draw bar (3) is also provided with the draw bar mouth of hook (32), the described draw bar mouth of hook (32) coordinates with tripping (2) grab, described tripping (2) below is also provided with tripping stage clip (21), described governor motion comprises and moves adjusting rod (4) and adjusting knob (5) wink, move adjusting rod (4) described wink and above and between dynamic iron core bracket (11) be also provided with short-circuit protection extension spring (41), move in described wink on adjusting rod (4) and be also provided with adjusting rod boss (42), described adjusting rod boss (42) extrudes with adjusting knob (5) and coordinates, it is characterized in that, described adjusting knob (5) bottom is provided with adjusting range (51), described adjusting range (51) is cam surface, described adjusting range (51) is arranged in sequence with gear face (52) and sliding surface (53) from top to bottom, described gear face (52) and sliding surface (53) are alternately arranged.
2. the release of a kind of adjusting knob with short circuit adjustable magnification according to claim 1, is characterized in that, described adjusting knob (5) is provided with 6 gear faces (52) and 5 sliding surfaces (53).
3. the release of a kind of adjusting knob with short circuit adjustable magnification according to claim 1, is characterized in that, is seamlessly transitted between described adjacent gear face (52) by sliding surface (53).
4. the release of a kind of adjusting knob with short circuit adjustable magnification according to claim 1, is characterized in that, is parallel to each other between described gear face (52).
5. the release of a kind of adjusting knob with short circuit adjustable magnification according to claim 1, it is characterized in that, described adjusting knob (5) is provided with and is also provided with adjusting knob support (54), described adjusting knob (5) and adjusting knob support (54) snap-fit engagement.
6. the release of a kind of adjusting knob with short circuit adjustable magnification according to claim 5, it is characterized in that, described adjusting knob (5) is also provided with guide vane end stop (55), described adjusting knob support (54) is provided with positive stop lug boss (56), and described guide vane end stop (55) contacts with positive stop lug boss (56) and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080224.8U CN204361035U (en) | 2015-02-05 | 2015-02-05 | A kind of release of the adjusting knob with short circuit adjustable magnification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080224.8U CN204361035U (en) | 2015-02-05 | 2015-02-05 | A kind of release of the adjusting knob with short circuit adjustable magnification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204361035U true CN204361035U (en) | 2015-05-27 |
Family
ID=53262490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080224.8U Expired - Fee Related CN204361035U (en) | 2015-02-05 | 2015-02-05 | A kind of release of the adjusting knob with short circuit adjustable magnification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204361035U (en) |
-
2015
- 2015-02-05 CN CN201520080224.8U patent/CN204361035U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20160205 |