CN105489413A - Shockproof direct-current switch for motor - Google Patents
Shockproof direct-current switch for motor Download PDFInfo
- Publication number
- CN105489413A CN105489413A CN201510884043.5A CN201510884043A CN105489413A CN 105489413 A CN105489413 A CN 105489413A CN 201510884043 A CN201510884043 A CN 201510884043A CN 105489413 A CN105489413 A CN 105489413A
- Authority
- CN
- China
- Prior art keywords
- commutation
- push rod
- movable contact
- shockproof
- pedestal
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/002—Application electric motor braking, e.g. pole reversal of rotor, shorting motor coils, also for field discharge
Abstract
The invention discloses a shockproof direct-current switch with a good shockproof effect for a motor. The shockproof direct current-switch comprises a reversing base, an upper base and a lower base, which fixed by one another, wherein the upper base and the lower base mutually form a mounting cavity; a movable contact component and a fixed contact component are arranged in the mounting cavity; a push rod is arranged in the mounting cavity in a sliding manner; a push rod spring is arranged between the push rod and the wall of the mounting cavity; the push rod is provided with a speed-regulating spring plate; a speed-regulating circuit board is arranged on the lower base; the push rod is provided with a pushing slide bar which is matched with the movable contact component; a slide bar spring is arranged between the pushing slide bar and the push rod; the movable contact component comprises a movable contact frame and a movable contact plate; a limiting hole is formed in one side of the movable contact frame; a limiting groove is formed in the other side of the movable contact frame; a mounting end is arranged at one end of the movable contact plate; a contact end is arranged at the other end of the movable contact plate; a movable contact is arranged on the contact end; an inserting arm is arranged at one side of the mounting end of the movable contact plate; an extension arm is arranged at the other side of the mounting end; the inserting arm is inserted into the limiting hole; and the extension arm is embedded into the limiting groove.
Description
Technical field
The present invention relates to a kind of DC switch, especially design a kind of DC switch with shockproof effect on motor.
Background technology
Current DC switch comprises the commutation pedestal interfixed, top base and bottom base, commutating circuit plate is provided with between described commutation pedestal and top base, described commutation pedestal is provided with the commutation assembly coordinated with commutating circuit plate, described top base and bottom base constitute installation chamber mutually, described installation cavity indoor location has cooperatively interact dynamic to touch assembly and stationary contact assembly, described installation cavity indoor are slidably fitted with push rod, push rod spring is provided with between this push rod and the locular wall installing chamber, this push rod is provided with speed governing shell fragment, described bottom base is provided with the alignment circuit plate be slidably matched with described resistance trimming shell fragment, described push rod is provided with and the dynamic pushing tow slide bar touching assembly and coordinate, slide bar spring is provided with between pushing tow slide bar and push rod.Resistance trimming is realized by the displacement of push rod, commutation is realized by commutation assembly, but the dynamic group structure of touching of switch is that the simple extension spring mechanism that uses completes at present, do not consider the on off state under strong motion environment, dynamic group of touching in switch there will be loosening and displacement, easy ablation contact, can not reach market demands; And in dust-proof, can not the dust-proof problem of omnibearing improvement.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and have the good shockproof DC switch of shockproof effect motor.
For solving the problems of the technologies described above, technical scheme of the present invention is: the shockproof DC switch of a kind of motor, comprise the commutation pedestal interfixed, top base and bottom base, commutating circuit plate is provided with between described commutation pedestal and top base, described commutation pedestal is provided with the commutation assembly coordinated with commutating circuit plate, described top base and bottom base constitute installation chamber mutually, described installation cavity indoor location has cooperatively interact dynamic to touch assembly and stationary contact assembly, described installation cavity indoor are slidably fitted with push rod, push rod spring is provided with between this push rod and the locular wall installing chamber, this push rod is provided with speed governing shell fragment, described bottom base is provided with the alignment circuit plate be slidably matched with described resistance trimming shell fragment, described push rod is provided with and the dynamic pushing tow slide bar touching assembly and coordinate, slide bar spring is provided with between pushing tow slide bar and push rod, the described dynamic assembly that touches comprises action contact frame and movable contact spring, the side of described action contact frame is provided with spacing hole, the opposite side of described action contact frame is provided with stopper slot, one end of described movable contact spring is installation end, the other end is contact jaw, described contact jaw is provided with moving contact, the side of the installation end of described movable contact spring is provided with arms, opposite side is provided with adjutage, described arms is inserted in described spacing hole, described adjutage embeds in stopper slot.
As the preferred scheme of one, described adjutage comprises one section of embedding section embedded in stopper slot, the bending section be connected with embedding section and the inserting paragraph be connected with bending section, described top base is provided with the jack corresponding with inserting paragraph position, and described inserting paragraph is inserted in described jack.
As the preferred scheme of one, described commutation assembly comprises the commutation driver plate rotating and be installed on commutation assembly, described commutation driver plate is provided with and dials handle, described commutation driver plate is arranged the commutation shell fragment coordinated with commutating circuit plate.
As the preferred scheme of one, described commutation driver plate is provided with at least one annular protrusion or annular groove in the card of commutation pedestal, on described commutation pedestal, correspondence position is provided with annular groove or annular protrusion, and described annular protrusion embeds in described annular groove.
As the preferred scheme of one, described commutation driver plate is bonded with seal cover away from the card on commutation pedestal.
As the preferred scheme of one, described commutation pedestal is provided with the sealed step cooperatively interacted on the end face of top base and on the end face of top base close commutation pedestal.
As the preferred scheme of one, the upper and lower pedestal of the end face of described top base on bottom base is provided with the sealed step cooperatively interacted on the end face of top base.
After have employed technique scheme, effect of the present invention is: because the described dynamic assembly that touches comprises action contact frame and movable contact spring, the side of described action contact frame is provided with spacing hole, the opposite side of described action contact frame is provided with stopper slot, one end of described movable contact spring is installation end, the other end is contact jaw, described contact jaw is provided with moving contact, the side of the installation end of described movable contact spring is provided with arms, opposite side is provided with adjutage, described arms is inserted in described spacing hole, described adjutage embeds in stopper slot, therefore, the installation end of this movable contact spring is installed very firm, and in addition, the other end of movable contact spring is contact jaw, movable contact spring realizes the contact with fixed contact by pushing tow slide bar pushing tow, like this, when closure state, movable contact spring two ends are all fixed, the dynamic assembly that touches can be stablized, firm is arranged on switch internal, when being subject to the sharp pounding from the external world, can the unaffected operation carrying out disconnecting or close, ensure that switching electrical stable performance and reliability.
Again because described adjutage comprises one section of embedding section embedded in stopper slot, the bending section be connected with embedding section and the inserting paragraph be connected with bending section, described top base is provided with the jack corresponding with inserting paragraph position, described inserting paragraph is inserted in described jack, like this, utilize top base to compress adjutage further, make the fixation of movable contact spring.
Again because described commutation driver plate is provided with at least one annular protrusion or annular groove in the card of commutation pedestal, on described commutation pedestal, correspondence position is provided with annular groove or annular protrusion, described annular protrusion embeds in described annular groove, define hermetically-sealed construction between this commutation driver plate and commutation pedestal, improve dust-proof effect.
Again because described commutation driver plate is bonded with seal cover away from the card on commutation pedestal, ensure that having assembled rear dust cannot enter switch internal from the assembling gap on switch top.
Again because described commutation pedestal is provided with the sealed step cooperatively interacted on the end face of top base and on the end face of top base close commutation pedestal, the upper and lower pedestal of the end face of described top base on bottom base is provided with the sealed step cooperatively interacted on the end face of top base.Thus improve commutation pedestal and top base, sealing between top base and bottom base.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure cutaway view of the embodiment of the present invention;
Fig. 2 is the structure chart touching assembly and stationary contact assembly;
Fig. 3 is the mounting structure figure touching assembly;
Fig. 4 is the structure chart of movable contact spring;
Fig. 5 is the structure chart of action contact frame;
In accompanying drawing: 1. seal cover; 2. commutate driver plate; 3. commutate pedestal; 4. commutate shell fragment; 5. commutating circuit plate; 6. top base; 61. jacks; 7. movable contact spring; 71. adjutages; 711. embed section; 712. bending section; 713. inserting paragraph; 72. arms; 8. pushing tow slide bar; 9. slide bar spring; 10. bottom base; 11. push rods; 12. action contact frames; 121. spacing hole; 122. stopper slot; 13. stationary contact framves; 14. fixed contacts; 15. moving contacts.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, the shockproof DC switch of a kind of motor, comprise the commutation pedestal 3, top base 6 and the bottom base 10 that interfix, described commutation pedestal 3 is provided with the sealed step cooperatively interacted on the end face of top base 6 and on the end face of the close commutation pedestal 3 of top base 6.The upper and lower pedestal 10 of the end face of described top base 6 on bottom base 10 is provided with the sealed step cooperatively interacted on the end face of top base 6.The said sealed step in this place is embodied as the form of convex tendon, for the cooperation of top base 6 and bottom base 10, the end face of top base 6 on bottom base 10 is provided with inner convex rib, bottom base 10 is provided with outer convex rib, interlock between inner convex rib and outer convex rib and form sealing.
Commutating circuit plate 5 is provided with between described commutation pedestal 3 and top base 6, described commutation pedestal 3 is provided with the commutation assembly coordinated with commutating circuit plate 5, this commutating circuit plate 5 has carbon film, described commutation assembly comprises the commutation driver plate 2 rotating and be installed on commutation assembly, described commutation driver plate 2 is provided with and dials handle, described commutation driver plate 2 is arranged the commutation shell fragment 4 coordinated with commutating circuit plate 5.Described commutation driver plate 2 is provided with at least one annular protrusion or annular groove in the card of commutation pedestal 3, on described commutation pedestal 3, correspondence position is provided with annular groove or annular protrusion, described annular protrusion embeds in described annular groove, can improve sealing between commutation driver plate 2 and commutation pedestal 3 like this.Described commutation driver plate 2 is bonded with seal cover 1 away from the card on commutation pedestal 3.
As shown in Figures 1 to 5, described top base 6 and bottom base 10 constitute installation chamber mutually, described installation cavity indoor location has cooperatively interact dynamic to touch assembly and stationary contact assembly, described installation cavity indoor are slidably fitted with push rod 11, push rod 11 outer end is provided with button, push rod 11 spring is provided with between the inner of this push rod 11 and the locular wall installing chamber, this push rod 11 is provided with speed governing shell fragment, described bottom base 10 is provided with the alignment circuit plate be slidably matched with described resistance trimming shell fragment, described push rod 11 is provided with and the dynamic pushing tow slide bar 8 touching assembly and coordinate, slide bar spring 9 is provided with between pushing tow slide bar 8 and push rod 11, this pushing tow slide bar 8 can make movable contact spring 7 swing with stationary contact components apart around its installation end or close by pushing tow movable contact spring 7, the described dynamic assembly that touches comprises action contact frame 12 and movable contact spring 7, the side of described action contact frame 12 is provided with spacing hole 121, the opposite side of described action contact frame 12 is provided with stopper slot 122, one end of described movable contact spring 7 is installation end, the other end is contact jaw, described contact jaw is provided with moving contact 15, the side of the installation end of described movable contact spring 7 is provided with arms 72, opposite side is provided with adjutage 71, described arms 72 is inserted in described spacing hole 121, described adjutage 71 embeds in stopper slot 122.Described adjutage 71 comprises one section of embedding section 711 embedded in stopper slot 122, the bending section 712 connected with embedding section 711 and the inserting paragraph 713 be connected with bending section 712, described top base 6 is provided with the jack 61 corresponding with inserting paragraph 713 position, and described inserting paragraph 713 is inserted in described jack 61.
Stationary contact assembly of the present invention comprises stationary contact frame 13, stationary contact frame 13 is provided with fixed contact 14, and fixed contact 14 coordinates with moving contact 15.
DC switch of the present invention has the following advantages compared with prior art:
1. DC switch of the present invention greatly improves the effect of antidetonation, and the installation end of the movable contact spring 7 of DC switch has arms 72 and adjutage 71 can fixedly secure, and the other end of movable contact spring 7 is held out against by pushing tow slide bar 8, and anti seismic efficiency improves.
2. DC switch of the present invention all have employed sealed step and seals in junction, improves dust-proof effect.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection range that claims of the present invention determine.
Claims (7)
1. the shockproof DC switch of motor, comprise the commutation pedestal interfixed, top base and bottom base, commutating circuit plate is provided with between described commutation pedestal and top base, described commutation pedestal is provided with the commutation assembly coordinated with commutating circuit plate, described top base and bottom base constitute installation chamber mutually, described installation cavity indoor location has cooperatively interact dynamic to touch assembly and stationary contact assembly, described installation cavity indoor are slidably fitted with push rod, push rod spring is provided with between this push rod and the locular wall installing chamber, this push rod is provided with speed governing shell fragment, described bottom base is provided with the alignment circuit plate be slidably matched with described resistance trimming shell fragment, described push rod is provided with and the dynamic pushing tow slide bar touching assembly and coordinate, slide bar spring is provided with between pushing tow slide bar and push rod, it is characterized in that: the described dynamic assembly that touches comprises action contact frame and movable contact spring, the side of described action contact frame is provided with spacing hole, the opposite side of described action contact frame is provided with stopper slot, one end of described movable contact spring is installation end, the other end is contact jaw, described contact jaw is provided with moving contact, the side of the installation end of described movable contact spring is provided with arms, opposite side is provided with adjutage, described arms is inserted in described spacing hole, described adjutage embeds in stopper slot.
2. the shockproof DC switch of a kind of motor as claimed in claim 1, it is characterized in that: described adjutage comprises one section of embedding section embedded in stopper slot, the bending section be connected with embedding section and the inserting paragraph be connected with bending section, described top base is provided with the jack corresponding with inserting paragraph position, and described inserting paragraph is inserted in described jack.
3. the shockproof DC switch of a kind of motor as claimed in claim 2, it is characterized in that: described commutation assembly comprises the commutation driver plate rotating and be installed on commutation assembly, described commutation driver plate is provided with and dials handle, described commutation driver plate is arranged the commutation shell fragment coordinated with commutating circuit plate.
4. the shockproof DC switch of a kind of motor as claimed in claim 3, it is characterized in that: described commutation driver plate is provided with at least one annular protrusion or annular groove in the card of commutation pedestal, on described commutation pedestal, correspondence position is provided with annular groove or annular protrusion, and described annular protrusion embeds in described annular groove.
5. the shockproof DC switch of a kind of motor as claimed in claim 4, is characterized in that: described commutation driver plate is bonded with seal cover away from the card on commutation pedestal.
6. the shockproof DC switch of a kind of motor as claimed in claim 5, is characterized in that: described commutation pedestal is provided with the sealed step cooperatively interacted on the end face of top base and on the end face of top base close commutation pedestal.
7. the shockproof DC switch of a kind of motor as claimed in claim 6, is characterized in that: the upper and lower pedestal of the end face of described top base on bottom base is provided with the sealed step cooperatively interacted on the end face of top base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884043.5A CN105489413B (en) | 2015-12-04 | 2015-12-04 | A kind of shockproof dc switch of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884043.5A CN105489413B (en) | 2015-12-04 | 2015-12-04 | A kind of shockproof dc switch of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105489413A true CN105489413A (en) | 2016-04-13 |
| CN105489413B CN105489413B (en) | 2018-01-26 |
Family
ID=55676333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510884043.5A Active CN105489413B (en) | 2015-12-04 | 2015-12-04 | A kind of shockproof dc switch of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105489413B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565138A (en) * | 2018-06-08 | 2018-09-21 | 苏州华之杰电讯股份有限公司 | A kind of switch contact group mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03196421A (en) * | 1989-12-01 | 1991-08-27 | Matsushita Electric Works Ltd | Contact device |
| CN203590086U (en) * | 2013-12-17 | 2014-05-07 | 永康市法得电器有限公司 | Direct-current brushless switch commutation control device |
| CN203596284U (en) * | 2013-11-27 | 2014-05-14 | 浙江长隆电气有限公司 | DC speed regulation switch |
| CN204088099U (en) * | 2014-09-16 | 2015-01-07 | 张家港华捷电子有限公司 | Switch in electric tool |
| CN205159141U (en) * | 2015-12-04 | 2016-04-13 | 张家港华捷电子有限公司 | Motor direct current switch that takes precautions against earthquakes |
-
2015
- 2015-12-04 CN CN201510884043.5A patent/CN105489413B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03196421A (en) * | 1989-12-01 | 1991-08-27 | Matsushita Electric Works Ltd | Contact device |
| CN203596284U (en) * | 2013-11-27 | 2014-05-14 | 浙江长隆电气有限公司 | DC speed regulation switch |
| CN203590086U (en) * | 2013-12-17 | 2014-05-07 | 永康市法得电器有限公司 | Direct-current brushless switch commutation control device |
| CN204088099U (en) * | 2014-09-16 | 2015-01-07 | 张家港华捷电子有限公司 | Switch in electric tool |
| CN205159141U (en) * | 2015-12-04 | 2016-04-13 | 张家港华捷电子有限公司 | Motor direct current switch that takes precautions against earthquakes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565138A (en) * | 2018-06-08 | 2018-09-21 | 苏州华之杰电讯股份有限公司 | A kind of switch contact group mechanism |
| CN108565138B (en) * | 2018-06-08 | 2023-12-12 | 苏州华之杰电讯股份有限公司 | Switch contact group mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105489413B (en) | 2018-01-26 |
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