CN203910620U - Safe pull switch - Google Patents
Safe pull switch Download PDFInfo
- Publication number
- CN203910620U CN203910620U CN201420352305.4U CN201420352305U CN203910620U CN 203910620 U CN203910620 U CN 203910620U CN 201420352305 U CN201420352305 U CN 201420352305U CN 203910620 U CN203910620 U CN 203910620U
- Authority
- CN
- China
- Prior art keywords
- contact
- base
- control lever
- binding post
- access division
- 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
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000008520 organization Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a fitting of electrical network, particularly to a safe pull switch. The utility model provides the safe pull switch, through the arrangement of a control mechanism, a wire-in terminal and a control part can be cut conveniently, so that a control part namely a pull rod is ensured to be uncharged when an insulation pull wire is replaced, and replacing operation of the insulation pull wire is convenient. Furthermore, through the arrangement of a contact and an energy storage block, when the wire-in terminal and the control part are switched on or switched off, first the contact is elastically deformed, then slides over the energy storage block. Accordingly, connecting movement or breaking movement of the contact and a contactor is fast, so an electric arc caused by slow connecting speed or breaking speed of the contact and the contactor is prevented, and service lives of the contact and the contactor are prolonged.
Description
Technical field
The utility model relates to electrical network accessory, relates in particular to safe pullswitch.
Background technology
Safe pullswitch is generally used for the control of low power electric appliance, as lighting lamp etc.In use, operating personnel are by pulling the rotating shaft in insulated wire control switch to rotate for safe pullswitch, thereby realize being switched on or switched off of circuit; Safe pullswitch, due to the parts action adopting in insulated wire control switch, has elongated live part and operating personnel's distance effectively, safer during use.
In prior art, safe pullswitch is simple in structure, cannot when maintenance, switch and circuit be disconnected, during maintenance, must disconnect total lock circuit also could not keeped in repair safe pullswitch in electric situation, therefore, during maintenance, to user, bring much inconvenience; After the bracing wire fracture of safe pullswitch, during maintenance, only need replacing bracing wire to be again connected on switch, but because the parts in switch are all charged, while changing bracing wire, operate dangerously, need to disconnect total lock and change again bracing wire, make bracing wire change operation very inconvenient, especially in evening, disconnect after total lock, all electrical equipment all can not use, therefore it is more inconvenient that, operation is changed in bracing wire.
Summary of the invention
The safe pullswitch that the utility model provides, is intended to overcome that safe pullswitch in prior art is simple in structure, inconvenient operation or deficiency dangerous, poor safety performance while using while changing insulation bracing wire.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: safe pullswitch, comprise the inlet wire binding post being arranged on base, outlet binding post, be arranged on the control assembly being switched on or switched off for control circuit between inlet wire binding post and outlet binding post and the pull bar rotating for operating control assembly, described pull bar is provided with insulation bracing wire, also comprise the lid that plays insulating effect for covering base, between described inlet wire binding post and control assembly, be provided with the controlling organization that can be switched on or switched off between control assembly and inlet wire binding post for making,
Described controlling organization comprises and is arranged on the contact being electrically connected to inlet wire binding post on base, be arranged on the elastic contact blade being electrically connected to control assembly on base, described contact one end is fixedly connected with and is arranged on base, the other end of described contact freely, described base is provided with for the vertical rod of contact is set, on described contact, be also provided with the contact for coordinating with contact, described contact is provided with the pit suitable with contact, on described base, be also provided with riser, described riser is provided with for making the energy storage block of contact stored energy, it is 1/2 cylindrical that being shaped as of described energy storage block is beneficial to that contact slips over, on described base, be also provided with for operating the control lever of contact action, described control lever is rotationally connected and is arranged on base, between described control lever and contact, be also provided with connecting rod, between described control lever and base, be also provided with the back-moving spring for control lever is resetted, described base is provided with for a pair of projection of control lever is set, described control lever is arranged on projection by bearing pin, on described control lever, be also provided with for making the control part of lid operation control lever action,
Described lid is threaded connection and is arranged on base, described base is provided with external screw thread, described lid be provided with base on the suitable internal thread of external screw thread, described lid is provided with the annular convex shoulder with the action of operation control part, and described control part is provided with for reducing the spheroid of frictional force between control part and convex shoulder.
As preferably, described contact is provided with for improving the flexible rib of contact, by rib is set, has improved the elasticity of contact, has extended the useful life of contact, and makes contact and contact have better deciliter effect.
As preferably, described connecting rod one end is fixed on control lever, the other end of described connecting rod is provided with the Access Division for clamping contact, described Access Division is provided with draw-in groove, described Access Division is slidably connected and is arranged on connecting rod, described connecting rod is provided with the slide rail for being slided in Access Division, described Access Division is provided with the chute suitable with slide rail, on described Access Division, be also provided with for Access Division being locked to the lock-screw on appropriate location, by contact and connecting rod are connected together, contact and connecting rod are easy to assembly; In addition, by Access Division is slidably connected and is arranged on connecting rod, the position of Access Division can be regulated, during use, can regulate the position of Access Division to make between contact and contact, to there is better deciliter effect.
The safe pullswitch that the utility model provides, tool has the following advantages: by controlling organization is set, can easily inlet wire binding post and control assembly be disconnected, while changing insulation bracing wire, guarantee that the not charged pull bar of control assembly is not charged, insulation bracing wire is changed easy to operate; In addition, by contact and energy storage block are set, when inlet wire binding post and control assembly are switched on or switched off, contact first passes through strain, then just can slip over energy storage block, therefore, when contact and engage contacts or disconnection, be swift in motion, prevent that contact and engage contacts or opening speed from causing electric arc slowly, extended the useful life of contact and contact; Further, by being set, convex shoulder and control part make to there is chain function between control lever and lid, be that lid is opened rear contact and contact closure and lid are automatically made control assembly dead electricity after opening under the effect of back-moving spring for a long time, safer during safe pullswitch maintenance, after can avoiding operating personnel to change insulation bracing wire, forget cover lid, use safety simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the utility model safe pullswitch,
Accompanying drawing 2 is that the utility model safe pullswitch removes the schematic diagram after lid,
Accompanying drawing 3 is A place enlarged drawings in accompanying drawing 1,
Accompanying drawing 4 is B place enlarged drawings in accompanying drawing 2,
Accompanying drawing 5 is partial views of connecting rod in the utility model safe pullswitch,
Accompanying drawing 6 is that the C of accompanying drawing 5 is to view.
Embodiment
Below in conjunction with accompanying drawing, safe pullswitch of the present utility model is described further.As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, safe pullswitch, comprise the inlet wire binding post 2 being arranged on base 1, outlet binding post 3, be arranged on the control assembly 4 being switched on or switched off for control circuit between inlet wire binding post 2 and outlet binding post 3 and the pull bar 5 rotating for operating control assembly 4, described pull bar 5 is provided with insulation bracing wire 6, also comprise the lid 7 that plays insulating effect for covering base 1, between described inlet wire binding post 2 and control assembly 4, be provided with the controlling organization 8 that can be switched on or switched off between control assembly 4 and inlet wire binding post 2 for making,
As Fig. 3, shown in Fig. 4, described controlling organization 8 comprises and is arranged on the contact 9 being electrically connected to inlet wire binding post 2 on base 1, be arranged on the elastic contact blade 10 being electrically connected to control assembly 4 on base 1, described contact 10 one end are fixedly connected with and are arranged on base 1, the other end of described contact 10 freely, described base 1 is provided with for the vertical rod 25 of contact 10 is set, on described contact 10, be also provided with the contact 11 for coordinating with contact 9, described contact 11 is provided with the pit suitable with contact 9, on described base 1, be also provided with riser 12, described riser 12 is provided with for making the energy storage block 13 of contact 10 stored energies, it is 1/2 cylindrical that being shaped as of described energy storage block 13 is beneficial to that contact 10 slips over, on described base 1, be also provided with for operating the control lever 14 of contact 10 actions, described control lever 14 is rotationally connected and is arranged on base 1, between described control lever 14 and contact 10, be also provided with connecting rod 15, between described control lever 14 and base 1, be also provided with the back-moving spring 16 for control lever 14 is resetted, described base 1 is provided with for a pair of projection 17 of control lever 14 is set, described control lever 14 is arranged on projection 17 by bearing pin 18, on described control lever 14, be also provided with for making the control part 19 of lid 7 operation control lever 14 actions,
In order to improve the elasticity of contact 10, can on contact 10, be provided for improving the flexible rib of contact 10, described rib and contact 10 are integral type structure, described vertical rod 25, riser 12 and projection 17 are all integral type structure with base 1, energy storage block 13 is integral type structure with riser 12, in order to improve the contact area of contact 9 and contact 10, contact 11 is set on contact 10, by being set on contact 11, pit can increase the contact area of contact 11 and contact 9, improved the electrical property of contact 10, described contact 11 should be welded on contact 10, described connecting rod 15 can be set together by welding manner with control, described connecting rod 15 can be also integral type structure with control lever 14, be that being shaped as of control lever 14 is L shaped,
As shown in Figure 1, described lid 7 is threaded connection and is arranged on base 1, described base 1 is provided with external screw thread, described lid 7 be provided with base 1 on the suitable internal thread of external screw thread, described lid 7 is provided with the annular convex shoulder 20 with 19 actions of operation control part, described control part 19 is provided with for reducing the spheroid 21 of frictional force between control part 19 and convex shoulder 20, and described spheroid 21 is integral type structure with control part 19.
As Fig. 5, shown in Fig. 6, optionally, described connecting rod 15 one end are fixed on control lever 14, the other end of described connecting rod 15 is provided with the Access Division 22 for clamping contact 10, described Access Division 22 is provided with draw-in groove 23, described Access Division 22 is slidably connected and is arranged on connecting rod 15, described connecting rod 15 is provided with the slide rail 24 for being slided in Access Division 22, described Access Division 22 is provided with the chute 26 suitable with slide rail 24, is also provided with for Access Division 22 being locked to the lock-screw 27 on appropriate location on described Access Division 22.
Optionally, be also provided with the insulating cover for controlling organization 8 and inlet wire binding post 2 are isolated from the outside on described base 1, described insulating cover is connected on base 1, is also provided with the trough for spring is electrically connected to control assembly 4 on described insulating cover
Technique scheme in use, after safe pullswitch insulation bracing wire 6 fractures, rotation lid 7 takes off lid 7 from base 1, lid 7 takes off rear lid 7 and just can not interfere control lever 14 to rotate, control lever 14 turns drivening rod 15 actions under the effect of back-moving spring 16, contact 10 and contact 9 is separated, when contact 9 separates with contact 10, contact 10 first passes through strain, just can slip over energy storage block 13; In like manner, after lid 7 closures, convex shoulder 20 press control portions 19 rotate control lever 14, thereby connecting rod 15 is moved up, contact 10 and contact 9 are closed, now contact 10 still needs just can slip over energy storage block 13 through the accumulation of energy stage, and after contact 10 separates with contact 9, control assembly 4 is not charged can change insulation bracing wire 6 operations, and after contact 10 is closed with contact 9, safe pullswitch can normally be used; By controlling organization 8 is set, can easily inlet wire binding post 2 and control assembly 4 be disconnected, while changing insulation bracing wire 6, guarantee that the not charged pull bar 5 of control assembly 4 is not charged, insulation bracing wire 6 is changed easy to operate; In addition, by contact 10 and energy storage block 13 are set, when inlet wire binding post 2 is switched on or switched off with control assembly 4, contact 10 first passes through strain, then just can slip over energy storage block 13, and therefore, contact 10 is swift in motion when engaging or disconnecting with contact 9; Further, by being set, convex shoulder 20 and control part 19 make to there is chain function between control lever 14 and lid 7, be that lid 7 is opened rear contact 10 and contact 9 closure and lid 7 are automatically made control assembly 4 dead electricity after opening under the effect of back-moving spring 16 for a long time, safer during safe pullswitch maintenance, after can avoiding operating personnel to change insulation bracing wire 6, forget cover lid 7, use safety simultaneously.
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all modifications of making based on the technology of the present invention content, variation or substitute technology feature, all should be covered by the technology category of claims opinion of the present invention.
Claims (3)
1. safe pullswitch, comprise the inlet wire binding post (2) being arranged on base (1), outlet binding post (3), be arranged on the control assembly (4) being switched on or switched off for control circuit between inlet wire binding post (2) and outlet binding post (3) and the pull bar (5) rotating for operating control assembly (4), described pull bar (5) is provided with insulation bracing wire (6), also comprise the lid (7) that plays insulating effect for covering base (1), it is characterized in that: between described inlet wire binding post (2) and control assembly (4), be provided with the controlling organization (8) that can be switched on or switched off between control assembly (4) and inlet wire binding post (2) for making,
Described controlling organization (8) comprises that being arranged on base (1) goes up the contact (9) being electrically connected to inlet wire binding post (2), be arranged on the upper elastic contact blade (10) being electrically connected to control assembly (4) of base (1), described contact (10) one end is fixedly connected with and is arranged on base (1), the other end of described contact (10) freely, described base (1) is provided with the vertical rod (25) for contact (10) are set, on described contact (10), be also provided with the contact (11) for coordinating with contact (9), described contact (11) is provided with the pit suitable with contact (9), on described base (1), be also provided with riser (12), described riser (12) is provided with for making the energy storage block (13) of contact (10) stored energy, it is 1/2 cylindrical that being shaped as of described energy storage block (13) is beneficial to that contact (10) slips over, on described base (1), be also provided with for operating the control lever (14) of contact (10) action, described control lever (14) is rotationally connected and is arranged on base (1), between described control lever (14) and contact (10), be also provided with connecting rod (15), between described control lever (14) and base (1), be also provided with the back-moving spring (16) for control lever (14) is resetted, described base (1) is provided with for a pair of projection (17) of control lever (14) is set, described control lever (14) is arranged on projection (17) by bearing pin (18), on described control lever (14), be also provided with for making the control part (19) of lid (7) operation control lever (14) action,
Described lid (7) is threaded connection and is arranged on base (1), described base (1) is provided with external screw thread, described lid (7) is provided with the internal thread suitable with the upper external screw thread of base (1), described lid (7) is provided with the annular convex shoulder (20) with operation control part (19) action, and described control part (19) is provided with for reducing the spheroid (21) of frictional force between control part (19) and convex shoulder (20).
2. safe pullswitch according to claim 1, is characterized in that: described contact (10) is provided with for improving the flexible rib of contact (10).
3. safe pullswitch according to claim 1, it is characterized in that: described connecting rod (15) one end is fixed on control lever (14), the other end of described connecting rod (15) is provided with the Access Division (22) for clamping contact (10), described Access Division (22) is provided with draw-in groove (23), described Access Division (22) is slidably connected and is arranged on connecting rod (15), described connecting rod (15) is provided with the slide rail (24) for being slided in Access Division (22), described Access Division (22) is provided with the chute (26) suitable with slide rail (24), on described Access Division (22), be also provided with for Access Division (22) being locked to the lock-screw (27) on appropriate location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352305.4U CN203910620U (en) | 2014-06-27 | 2014-06-27 | Safe pull switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352305.4U CN203910620U (en) | 2014-06-27 | 2014-06-27 | Safe pull switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910620U true CN203910620U (en) | 2014-10-29 |
Family
ID=51784875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420352305.4U Expired - Fee Related CN203910620U (en) | 2014-06-27 | 2014-06-27 | Safe pull switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091715A (en) * | 2014-06-27 | 2014-10-08 | 浙江湖州森富机电有限责任公司 | Safety cord switch |
-
2014
- 2014-06-27 CN CN201420352305.4U patent/CN203910620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091715A (en) * | 2014-06-27 | 2014-10-08 | 浙江湖州森富机电有限责任公司 | Safety cord switch |
| CN104091715B (en) * | 2014-06-27 | 2016-05-18 | 浙江湖州森富机电有限责任公司 | Safe pullswitch |
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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: 20141029 |