CN104425908A - Switch - Google Patents
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- Publication number
- CN104425908A CN104425908A CN201410437108.7A CN201410437108A CN104425908A CN 104425908 A CN104425908 A CN 104425908A CN 201410437108 A CN201410437108 A CN 201410437108A CN 104425908 A CN104425908 A CN 104425908A
- Authority
- CN
- China
- Prior art keywords
- switch
- port
- frame opening
- closure elements
- frame
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a switch which comprises an electrode housing (1) of an insulator and a switch contact. The switch components are mutually adhered to each other when the switch is in a closed state. The switch also comprises a clamp unit (3) with a frame (3a). The clamp unit is connected with the fixed contact components and is provided with a frame opening (3b). The frame opening (3b) can be inserted with connection cables through the first port (5) at the wall of the electrode housing (1). A clamp nut (6) is also provided which can extend in the horizontal insertion direction (4) to the frame opening (3b). a second port (8) is provided which allows an insertion tool to be placed so as to penetrate to the electrode housing (1). In order to meet the air travel and electricity travel in large diameter cable, it is suggested that the second port (8) be sealed by the sealing components (7) which are mounted in the side direction guiding groove (9) and can move horizontally to the clamp nut (6).
Description
Technical field
The present invention relates to a kind of switch, this switch is with the pole housing of electric insulation; Switch contact, the contact element of described switch contact reclines mutually when switch closes; Have the clamping unit of the form of frame, described clamping unit is connected with fixing contact element and has frame opening, in described frame opening, insert stube cable from outside by the first port in the wall of pole housing; Pinching screw, described pinching screw to extend in frame opening transverse to direction of insertion and is fixed in frame by means of stube cable in the mode that can clamp; With the second port in the wall of pole housing, instrument inserts by described second port.
Background technology
The switch with the form of load disconnecting switch is known.Described switch every pole in multipolar configuration all has the pole housing of electric insulation, switch contact is furnished with in the housing of described pole, the contact element with the form of contact block of described switch contact reclines mutually when switch closes, and wherein each movable contact block is pressed against fixing contact block.Usually, be arranged in can around on the double-arm lever of rotation pivotable for contact block.Common switch shaft moves towards with being horizontally through pole housing, can disconnect and close all switch contacts simultaneously.For connecting stube cable, often use clamping unit, described clamping unit is formed as shaped as frame and is connected with fixing contact block.Frame has frame opening, can insert stube cable in described frame opening.For this reason, in the wall of pole housing, corresponding port is provided.Pinching screw moves towards transverse to direction of insertion, and described pinching screw extends in frame opening.By making the rotation of pinching screw by means of screwdriver, stube cable can be clamped and be fixed in frame.For this reason, screwdriver is inserted through the port in the wall of pole housing.
Due to limited structure space, use frame be clipped in cable size large time cause not meeting the air stroke of regulation and the problem of creepage stroke (Kriechstrecke).
Summary of the invention
Technical problem to be solved by this invention overcomes this shortcoming.
Provide solution in the following way, that is, (second) port can be able to be closed transverse to the closure elements of pinching screw movement, and described closure elements is bonded in the guiding groove that laterally moves towards in the direction of movement at this.
If closure elements can be loaded in the closing direction with elastic force, then close and ensure in a straightforward manner.
Technically in simple form of implementation, elastic force is formed by spring.
Suitably, spring is fixed on closure elements with one end.
The simple especially structure of spring is that spring has meander-shaped.
In the simplest situation, zigzag spring and closure elements are formed by single plastic components.
Accompanying drawing explanation
This aspect is described in detail according to embodiment hereinafter, and each figure is:
Fig. 1 shows the partial sectional view of the pole housing of load disconnecting switch, with the closure elements being in its off-position, and
Fig. 2 shows the pole housing according to Fig. 1, with closure elements in an open position.
Embodiment
Fig. 1 shows the pole housing 1 of load disconnecting switch, hereinafter by it referred to as switch.Pole housing 1 is formed by electrical insulating material and is formed by two plastic half-shells 1a, 1b.In housing, have two switch contacts, the contact element with the form of contact block of described switch contact reclines mutually when switch closes.Two contact blocks are fixedly arranged, and two contact blocks are arranged movingly.Movable contact block is in can around on the free end of the double-arm lever of the rotation pivotable of the rotation axis coincident with switch shaft 2.The rotation of switch shaft 2 causes movable contact block to abut on fixing contact block according to direction of rotation or is separated from fixing contact block (all parts except the switch shaft block 2a of pole housing 1 and switch shaft 2 are all not shown).
Each multipole switch comprises multiple this poles box 1, and described pole box 1 reclines mutually with its large area side, and wherein the switch shaft block 2a of switch shaft 2 is coupled to each other, and makes to define through switch shaft 2.
For connecting not shown stube cable, use the clamping unit 3 respectively with frame 3a.In the direction of arrow 4, each end of stube cable can be inserted in frame opening 3b.Insert and carry out respectively by (first) port 5 (on the right side of Fig. 1) be present in pole housing 1.Pinching screw 6 moves towards transverse to direction of insertion 4, for pinching screw 6, and only visible head of screw 6a in FIG.Pinching screw 6 extend in frame opening 3b with its shank of screw.
The closure elements 7 with plastic cladding element form to be in FIG above head of screw 6a and to enclose (second) port 8, as at pole housing 1 for visible on the right side cut open.Closure elements 7 is in its off-position.It is directed and can vertically move in side direction guiding groove 9 that described closure elements 7 is parallel to the direction of arrow 4, and this is schematically illustrated by double-head arrow 10.Closure elements 7 secures indentation spring 11, is shown in Figure 1 for the state being in and unclamping.Closure elements 7 and spring 11 are formed by plastic components integrally at this.Frame 3a is connected with fixing contact block by joining rails 3c respectively (being blocked by front plastic half-shell 1a).
Fig. 2 shows the pole housing 1 with the closure elements 7 opened according to Fig. 1, and described closure elements 7 is moved right (such as moving before being inserted in port 8 slightly by screwdriver) relative to Fig. 1.Zigzag spring 11 is compacted and be therefore tensioned.By being formed in the space 12 on closure elements 7, screwdriver can be easily introduced into and clamp the stube cable inserted.If screwdriver is removed from port 8 and space 12, then spring 11 makes closure elements 7 automatically be moved to the left again and therefore be closed by port 8.
Claims (6)
1. a switch, with
The pole housing (1) of electric insulation,
Switch contact, the contact element of described switch contact reclines mutually when switch closes,
There is the clamping unit (3) of the form of frame (3a), described clamping unit (3) is connected with fixing contact element and has frame opening (3b), stube cable is inserted from outside by the first port (5) in the wall of pole housing (1) in described frame opening (3b)
Pinching screw (6), described pinching screw (6) to extend in frame opening (3b) transverse to direction of insertion (4) and is fixed in frame (3a) in the mode that can clamp by means of stube cable, and
The second port (8) in the wall of pole housing (1), instrument inserts by described second port,
It is characterized in that,
Second port (8) can by be bonded in side direction guiding groove (9), can transverse to the closure elements (7) of pinching screw (6) movement close.
2. switch according to claim 1, is characterized in that, closure elements (7) is applied in the closing direction with elastic force.
3. switch according to claim 2, is characterized in that, elastic force is formed by spring (11).
4. the switch according to Claims 2 or 3, is characterized in that, spring (11) is fixed on closure elements (7) with one end.
5. switch according to claim 4, is characterized in that, spring (11) has meander-shaped.
6. switch according to claim 5, is characterized in that, spring (11) and closure elements (7) are formed by a plastic components.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013217262.1 | 2013-08-29 | ||
| DE102013217262 | 2013-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104425908A true CN104425908A (en) | 2015-03-18 |
| CN104425908B CN104425908B (en) | 2017-04-12 |
Family
ID=52974258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410437108.7A Active CN104425908B (en) | 2013-08-29 | 2014-08-29 | Switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104425908B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178405A (en) * | 1996-09-18 | 1998-04-08 | 西门子公司 | Secondary switch |
| JPH1167302A (en) * | 1997-08-15 | 1999-03-09 | Nitto Kogyo Co Ltd | Terminal board without screw |
| JPH11111095A (en) * | 1997-10-08 | 1999-04-23 | Mitsubishi Electric Corp | Circuit breaker |
| US6168460B1 (en) * | 1998-04-07 | 2001-01-02 | General Electric Company | A-base terminal block assembly |
| CN2497446Y (en) * | 2001-08-27 | 2002-06-26 | 淄博海纳电工有限公司 | Two-pole socket protective gate assembly |
| DE202004002779U1 (en) * | 2004-02-21 | 2005-06-30 | Wieland Electric Gmbh | Terminal block e.g. for closed cable lugs, has spring-loaded flange positioned in threaded channel |
| CN101317303A (en) * | 2005-10-20 | 2008-12-03 | 菲尼克斯电气公司 | Terminal block |
| CN101443873A (en) * | 2006-05-19 | 2009-05-27 | 通用电气公司 | Space distribution of switch apparatus |
| CN102347172A (en) * | 2010-07-29 | 2012-02-08 | 西门子公司 | Electrical switch |
| CN102881528A (en) * | 2012-09-25 | 2013-01-16 | 上海诺雅克电气有限公司 | Circuit breaker |
| CN202771990U (en) * | 2012-08-02 | 2013-03-06 | 上海良信电器股份有限公司 | Mounting structure for electric insulating separator |
-
2014
- 2014-08-29 CN CN201410437108.7A patent/CN104425908B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178405A (en) * | 1996-09-18 | 1998-04-08 | 西门子公司 | Secondary switch |
| JPH1167302A (en) * | 1997-08-15 | 1999-03-09 | Nitto Kogyo Co Ltd | Terminal board without screw |
| JPH11111095A (en) * | 1997-10-08 | 1999-04-23 | Mitsubishi Electric Corp | Circuit breaker |
| US6168460B1 (en) * | 1998-04-07 | 2001-01-02 | General Electric Company | A-base terminal block assembly |
| CN2497446Y (en) * | 2001-08-27 | 2002-06-26 | 淄博海纳电工有限公司 | Two-pole socket protective gate assembly |
| DE202004002779U1 (en) * | 2004-02-21 | 2005-06-30 | Wieland Electric Gmbh | Terminal block e.g. for closed cable lugs, has spring-loaded flange positioned in threaded channel |
| CN101317303A (en) * | 2005-10-20 | 2008-12-03 | 菲尼克斯电气公司 | Terminal block |
| CN101443873A (en) * | 2006-05-19 | 2009-05-27 | 通用电气公司 | Space distribution of switch apparatus |
| CN102347172A (en) * | 2010-07-29 | 2012-02-08 | 西门子公司 | Electrical switch |
| CN202771990U (en) * | 2012-08-02 | 2013-03-06 | 上海良信电器股份有限公司 | Mounting structure for electric insulating separator |
| CN102881528A (en) * | 2012-09-25 | 2013-01-16 | 上海诺雅克电气有限公司 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104425908B (en) | 2017-04-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |