CN101646323B - Cable fastening component and overvoltage protection device - Google Patents
Cable fastening component and overvoltage protection device Download PDFInfo
- Publication number
- CN101646323B CN101646323B CN 200810145401 CN200810145401A CN101646323B CN 101646323 B CN101646323 B CN 101646323B CN 200810145401 CN200810145401 CN 200810145401 CN 200810145401 A CN200810145401 A CN 200810145401A CN 101646323 B CN101646323 B CN 101646323B
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- cable
- cable fastening
- fastening
- cover
- base
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Abstract
The invention provides a cable fastening component, which comprises a cable fastening seat provided with at least one sunken table, a cable fastening cap provided with at least one convex table, and at least one connecting mechanism used for connecting the cable fastening seat and the cable fastening cap so as to ensure that the sunken table of the cable fastening seat is matched with the convex table of the cable fastening cap to form a fit clearance substantially in a step shape, wherein the fit clearance is used for clamping a cable and extending the cable in the step shape. The invention also provides an overvoltage protection device comprising the cable fastening component provided by the invention. The cable fastening component and the overvoltage protection device comprising the cable fastening component can effectively fasten the cable and hardly damage the cable.
Description
Technical field
The present invention relates to a kind of cable fastening component and a kind of over-pressure safety device that comprises this cable fastening component.
Background technology
Electronics or electric device often need to be electrically connected with other electronics or electric equipment by one or several cable.Usually be provided with binding post in existing electronics or the electric device, when connecting two equipment, an end of cable is fastened on the binding post of an electronics or electric device, and the other end is fastened on the binding post of another electronics or electric device.This binding post generally comes cable is carried out fastening by the mode that screws down, often easily cause the damage of cable when excessive or too frequent at pulling force, then has influence on the safety of electronics or electric device internal wiring.And the binding post insulation protection performance that is made of metal is bad, and material cost is also higher.
In addition, when connecting two electronics or electric device by cable and binding post, the user often needs to select electrical characteristic and the suitable cable of size, and the operation that all will dismantle shell, fastening cable and the shell that closes to two devices, just can finish assembling, use comparatively inconvenience.
Therefore, wish an electronics or electric device itself just with electrical characteristic and the suitable cable of size, and outwards draw, being electrically connected with other electronics or electric device, thus user-friendly.
Summary of the invention
The cable of directly drawing in the circuit from electronics or electric device is because being damaged by the external force pulling, the invention provides a kind of can effective fastening cable, be difficult for cable is caused the cable fastening component of damage.The present invention also provides a kind of over-pressure safety device that adopts this cable fastening component.
Cable fastening component of the present invention comprises: a cable fastening base, and it is provided with at least one depression platform; A cable fastening cover, it is provided with at least one protruding platform; At least one bindiny mechanism, be used for connecting described cable fastening base and described cable fastening cover, so that the described depression platform of described cable fastening base and the described protruding platform of described cable fastening cover cooperatively interact, form the fit clearance that substantially is step shape, described fit clearance is used for clamping cable and makes described cable be described step shape extends.。
Particularly, described cable fastening base comprises the first cable contact-making surface and the second cable contact-making surface, and described the second cable contact-making surface forms described depression platform with respect to described the first cable contact-making surface; Described cable fastening cover comprises the first cable seal face and the second cable seal face, and described the second cable seal face forms described projection platform with respect to described the first cable seal face.Preferably, on described the first cable contact-making surface and/or described the second cable contact-making surface, also be provided with point-like or strip projection; And/or, on described the first cable seal face and/or described the second cable seal face, also be provided with point-like or strip projection.
Particularly, described bindiny mechanism comprises fastener and a stopper that is arranged on the described cable fastening base that is arranged on the described cable fastening cover; Perhaps, described bindiny mechanism comprises fastener and a stopper that is arranged on the described cable fastening cover that is arranged on the described cable fastening base.
Preferably, on the direction of described fastener and the mutual buckle of stopper, also be provided with at least one guiding mechanism.Particularly, described guiding mechanism comprises gathering sill and a lead that is arranged on the described cable fastening cover that is arranged on the described cable fastening base; Perhaps, described guiding mechanism comprises gathering sill and a lead that is arranged on the described cable fastening base that is arranged on the described cable fastening cover.
The direction of preferably, extending along described cable on described cable fastening base or the described cable fastening cover is provided with at least one cable trough that is used for clamping described cable.
Further, be provided with at least one terminal hole covering on described cable fastening base or the described cable fastening cover.
Preferably, described cable fastening base and described cable fastening cover are made by insulating material.
The present invention also provides a kind of over-pressure safety device, comprises that a housing and one are used for electronics or electric device are carried out the overvoltage protection annex of overvoltage protection; Described over-pressure safety device also comprises at least two cables of drawing and extending outside the described housing from the circuit of described overvoltage protection annex, and aforesaid, as to be used for a fastening described cable cable fastening component.
Cooperate by special depression platform and the concavo-convex of protruding platform that arranges between cable fastening base of the present invention and the cable fastening cover, form the fit structure of step shape, this can prevent especially effectively that clamped cable from producing displacement when the pulling that is subject to external force.Cable just is difficult for being damaged like this, and the safety of electronics or electric device internal wiring also just can be effectively protected.
Cable fastening component of the present invention is assembled together by buckle structure, is convenient to installation and removal.
Cable fastening component of the present invention preferably adopts insulating material to make, and can realize preferably insulation protection performance, and material cost is lower.When being subject to external broach, also less to the damage that cable produces.
The over-pressure safety device of described cable fastening component that adopted of the present invention can outwards be drawn electrical characteristic and the suitable cable of size, directly utilizes the cable of drawing just can be electrically connected with other electronics or electric device, thereby convenient for users to use.
Description of drawings
Fig. 1 is the structural representation of an embodiment of cable fastening component of the present invention, wherein:
Fig. 1 a is the structural representation of cable fastening base in the cable fastening component of the present invention;
Fig. 1 b is the structural representation of cable fastening cover in the cable fastening component of the present invention;
Confined state schematic diagram when Fig. 1 c is cable fastening base and cable fastening cover clamping cable;
Fig. 1 d is cable fastening base and the cable fastening cover cross-sectional view along the cable bearing of trend shown in Fig. 1 c when clamping cable;
Fig. 2 is for adopting installation process and the dismounting mode schematic diagram of cable fastening component of the present invention in single-phase over-pressure safety device, wherein:
Fig. 2 a is the schematic diagram of the installation process first step;
Fig. 2 b is the schematic diagram of installation process second step;
Fig. 2 c is the installation process schematic diagram in the 3rd step.
Describe the present invention below in conjunction with accompanying drawing.
Embodiment
According to the present invention, can from the circuit of electronics or electric device, directly draw at least one electrical characteristic and the suitable cable of size, described cable extends outside this electronics or the electric device after cable fastening component of the present invention is fastening, then can be used for linking to each other with other device.Cable fastening component of the present invention abandoned usually adopted in the past, twist the mode that connects such fixed cable by binding post, but adopt concave-convex fit structure and corresponding bindiny mechanism between cable fastening base and the cable fastening cover to reach the purpose fastening to cable.
Fig. 1 has provided the structural representation of an embodiment of cable fastening component of the present invention, and this cable fastening component comprises a cable fastening base 1 and a cable fastening cover 2.Wherein, cable fastening base 1 comprises for the first cable contact-making surface 121 that contacts with cable and the second cable contact-making surface 122 (shown in Fig. 1 d), and the second cable contact-making surface 122 forms a depression platform 12 (as shown in Figure 1a) with respect to the first cable contact-making surface 121.Cable fastening cover 2 comprises for the first cable seal face 221 that contacts with cable and the second cable seal face 222 (shown in Fig. 1 d), and described the second cable seal face 222 forms a protruding platform 22 (shown in Fig. 1 b) with respect to described the first cable seal face 221.
For the frictional force between the contact-making surface that increases cable and cable fastening component, thereby prevent that better cable is pulled, on the first cable contact-making surface 121 of cable fastening base 1 and/or the second cable contact-making surface 122, also can be provided for the structure of increasing friction force, some point-like or strip projection for example are set.Certainly, can also this point-like or strip projection be set at the first cable seal face 221 and/or the second cable seal face 222 at cable fastening cover 2.
Cable fastening base 1 and cable fastening cover 2 link together by a bindiny mechanism.In the present embodiment, bindiny mechanism is embodied as a stopper 11 that is arranged on the cable fastening base 1 and a fastener 21 that is arranged on the cable fastening cover 2, and cable fastening base 1 and cable fastening cover 2 are connected together mutually by stopper 11 and fastener 21.Bindiny mechanism also can be embodied as alternate manner, the mode of for example utilizing screw bolt and nut to connect.
Shown in Fig. 1 c, in the present embodiment, cable 3 is directly to draw from the wiring board 5 of electronics or electric device inside.Under cable fastening base 1 and cable fastening cover 2 were assembled together the common state that clamps cable 3, cable fastening base 1 and cable fastening cover 2 were fastened togather mutually by above-mentioned stopper 11 and fastener 21.Simultaneously, the depression platform 12 of cable fastening base 1 and the protruding platform 22 of cable fastening cover 2 also cooperatively interact under confined state, can find out from the sectional view of the cable bearing of trend along the line shown in Fig. 1 d, the fit clearance between them is step shape Z (perhaps also can describe with roughly being " Z " word shape) substantially.Need clamped cable 3 for those, in the situation that assembling is complete, every cable 3 is placed between cable fastening base 1 and the cable fastening cover 2, be clamped in the above-mentioned fit clearance, and the trend of cable 3 should be to be above-mentioned step shape and to extend.
It will be understood by those skilled in the art that also and can arrange more than a pair of depression platform 12 and protruding platform 22 at cable fastening base 1 and cable fastening cover 2.Also above-mentioned fastener 21 can be arranged on the cable fastening base 1, and above-mentioned stopper 11 correspondingly is arranged on the cable fastening cover 2.In order to make cable fastening base 1 and cable fastening cover 2 assemble more firmly, can also increase the number of this snap device 11,21.In the situation that adopt two above snap devices, the preferred mode that is arranged symmetrically with that adopts arranges snap device.
Carry out buckle with cable fastening base 1 and cooperate along correct direction for the ease of cable fastening cover 2, the present embodiment also is provided with at least one gathering sill 13 on cable fastening base 1, correspondingly be provided with at least one lead 23 on cable fastening cover 2.In when assembling, make lead on the cable fastening cover 2 slip into gathering sill 13 on the corresponding cable fastening base 1, fastener 21 on the cable fastening cover 2 is snapped on the stopper 11 on the cable fastening base 1 exactly.It will be understood by those skilled in the art that also and lead 23 can be arranged on the cable fastening base 1, and gathering sill 13 correspondingly is arranged on the cable fastening cover 2.In addition, can also increase the number of this guiding mechanism 13,23.
For fastening cable 3 better, the direction that the present embodiment also extends along described cable 3 on described cable fastening base 1 is provided with the cable trough 14 that some are used for clamping cable.When using, can depend on actual need to configure the number of cable 3 and the number of cable trough 14.For example, in the time of need to linking to each other with three-phase line, configurable four cables 3 then use four cable trough 14; When needs link to each other with uniline, can only configure two cables 3, only use two cable trough 14.
It will be understood by those skilled in the art that as an alternative scheme, above-mentioned cable trough 14 also can be arranged on the cable fastening cover 2.The number of cable trough 14 should be more than or equal to the number of the cable 3 of needs configurations.
Cooperate by special depression platform 12 and the concavo-convex of protruding platform 22 that arranges between cable fastening base 1 of the present invention and the cable fastening cover 2, form the fit structure of step shape, this can prevent especially effectively that clamped cable 3 from producing displacement when the pulling that is subject to external force.Cable 3 just is difficult for being damaged like this, and the safety of electronics or electric device internal wiring also just can obtain more effective protection.The below describes its operation principle.
If do not adopt the fit structure of step shape between cable fastening base 1 and the cable fastening cover 2, and just abreast cable is clamped therebetween, then when cable 3 is subject to the external force pulling, mainly resist the pulling of external force by the frictional force that causes because of clamping force.
And in the situation of the fit structure that adopts step shape between cable fastening base 1 and the cable fastening cover 2, shown in Fig. 1 d, when cable 3 is subject to the pulling of external force F, except the frictional force f that causes because of clamping force, also can produce additional frictional force Δ f.This is because when cable is subject to the pulling of external force F, because the turning effect of ledge structure, cable has the trend that is straightened, thereby can produce an additional component N to the cable fastening cover, the cable fastening cover correspondingly produces an additional reaction force N ' to cable, this reaction force N ' and then cause an additional frictional force Δ f.As seen, the fit structure of this step shape can add the frictional force of strong resistance external broach, thereby prevents that more effectively cable from producing displacement under the effect of external broach.
Cable fastening component of the present invention can be used for various electronics or electric device.Often be provided with terminal and terminal hole on the housing of existing many electronics or electric device, if adopt cable fastening component of the present invention, just no longer need to use these terminals and terminal hole.Preferably, the cable fastening base 1 of the present embodiment can also be used for covering terminal area, also is provided with a terminal hole covering 15 that is used for the shutoff terminal hole on the cable fastening base 1.In the practical application, according to the actual arrangement situation of terminal area in the housing of electronics or electric device, the number of terminal hole covering 15 can be set correspondingly, also terminal hole covering 15 can be arranged on the cable fastening cover 2.
In addition, can also come according to the deployment scenarios of the shell structure of electronics or electric device and inner each parts thereof other structure that adapts with it cable fastening component of the present invention setting.
In order to reach preferably electric insulation protective value, cable fastening component of the present invention is preferably made by insulating material, for example, and plastics, rubber, resin etc.In addition, because the materials such as plastics, rubber are better than metal material elasticity, when external broach occurs, also less to the damage that cable produces.
In the various electronics or electric device that cable fastening component of the present invention can be widely used for being electrically connected with other device by cable, such as over-pressure safety device, miniature circuit breaker, isolating switch etc.
It below is an example that cable fastening component of the present invention is used for over-pressure safety device.This over-pressure safety device comprises: an overvoltage protection annex, at least two cables, a cable fastening component and a housing.Wherein, the overvoltage protection annex is used for electronics or electric device are carried out overvoltage protection.Draw at least two cables from the circuit of described overvoltage protection annex, described cable extends outside the housing of over-pressure safety device, and what be used for being connected with electronics electric device inputs or outputs the end connection.For example, in the time of carrying out overvoltage protection to single-phase electronic or electric device, need to from the circuit of described overvoltage protection annex, draw two cables; In the time of will carrying out overvoltage protection to Three-phase electronic or electric device, need to from the circuit of described overvoltage protection annex, draw four cables.Cable fastening component adopts the cable fastening component among the embodiment shown in Figure 1; it is installed in the housing of over-pressure safety device; be used for fastening those cables of drawing from the circuit of described overvoltage protection annex; extend so that described cable is clamped in the fit clearance of cable fastening base and cable fastening cover and along step shape, finally extend outside the described housing by the cable trough on cable fastening base or the cable fastening cover.
Above-mentioned over-pressure safety device can be used for single-phase or three-phase miniature circuit breaker are carried out overvoltage protection.For save design and production cost, over-pressure safety device can adopt the same housing with miniature circuit breaker.Usually all be provided with terminal and terminal hole in this housing, when mounted, cable fastening component can be installed on the position that to cover terminal area in the housing, and preferably also be provided with the terminal hole covering on described cable fastening base or the described cable fastening cover, can prevent from like this from no terminal hole, entering foreign matter.
The process of installation and removal cable fastening component and cable is supposed the overvoltage protection annex of over-pressure safety device is installed in the housing base 41 as shown in Figure 2 in single-phase over-pressure safety device.
The first step (shown in Fig. 2 a) is positioned over cable fastening base 1 in the zone that is provided with terminal in the housing base 41, so that the zone of terminal is covered by cable fastening base 1.
Second step (shown in Fig. 2 b) is pressed into two cables 3 respectively on the cable fastening base 1 in the cable trough 14 that arranges, and so that the part of every cable 3 can extend outside the housing.
The 3rd step (shown in Fig. 2 c) was snapped into cable fastening cover 2 on the cable fastening base 1, they is cooperatively interacted and two cables 3 are clamped, and the every cable 3 after the clamping extends along the fit clearance that is step shape.
The 4th step, the enclosing cover of housing and housing base are closed and tighten together, cable fastening component namely is fixed in the housing.
In the 5th step, when needs dismountings cable fastening component, can use small tool resemble the small screw driver cable fastening assembly that from arrow A indication position Fig. 2 c, bursts at the seams to get final product.
As seen, cable fastening component of the present invention can be assembled together easily by buckle, when dismounting, also only needs to use small tool just can easily rise out, and is easy to use.
Above embodiment is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. cable fastening component comprises:
A cable fastening base, it is provided with at least one depression platform;
A cable fastening cover, it is provided with at least one protruding platform;
At least one bindiny mechanism, be used for connecting described cable fastening base and described cable fastening cover, so that the described depression platform of described cable fastening base and the described protruding platform of described cable fastening cover cooperatively interact, form the fit clearance that substantially is step shape, described fit clearance is used for clamping cable and makes described cable be described step shape extends.
2. cable fastening component according to claim 1 is characterized in that, described cable fastening base comprises the first cable contact-making surface and the second cable contact-making surface, and described the second cable contact-making surface forms described depression platform with respect to described the first cable contact-making surface; Described cable fastening cover comprises the first cable seal face and the second cable seal face, and described the second cable seal face forms described protruding platform with respect to described the first cable seal face.
3. cable fastening component according to claim 2 is characterized in that, also is provided with point-like or strip projection on described the first cable contact-making surface and/or described the second cable contact-making surface; And/or, on described the first cable seal face and/or described the second cable seal face, also be provided with point-like or strip projection.
4. according to claim 1,2 or 3 described cable fastening components, it is characterized in that, described bindiny mechanism comprises the fastener and the stopper that is arranged on the described cable fastening base that are arranged on the described cable fastening cover; Perhaps, described bindiny mechanism comprises fastener and a stopper that is arranged on the described cable fastening cover that is arranged on the described cable fastening base.
5. cable fastening component according to claim 4 is characterized in that, on the direction of described fastener and the mutual buckle of stopper, also is provided with at least one guiding mechanism.
6. cable fastening component according to claim 5 is characterized in that, described guiding mechanism comprises the gathering sill and the lead that is arranged on the described cable fastening cover that are arranged on the described cable fastening base; Perhaps, described guiding mechanism comprises gathering sill and a lead that is arranged on the described cable fastening base that is arranged on the described cable fastening cover.
7. according to claim 1,2 or 3 described cable fastening components, it is characterized in that, the direction of extending along described cable on described cable fastening base or the described cable fastening cover is provided with at least one cable trough that is used for clamping described cable.
8. according to claim 1,2 or 3 described cable fastening components, it is characterized in that, be provided with at least one terminal hole covering on described cable fastening base or the described cable fastening cover.
9. according to claim 1,2 or 3 described cable fastening components, it is characterized in that, described cable fastening base and described cable fastening cover are made by insulating material.
10. over-pressure safety device comprises:
A housing;
An overvoltage protection annex that is used for electronics or electric device are carried out overvoltage protection;
It is characterized in that, described over-pressure safety device also comprises:
Article at least two, from the circuit of described overvoltage protection annex, draw and extend cable outside the described housing; And
One as claim 1 to 9 one of them is described, be used for fastening as described in the cable fastening component of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810145401 CN101646323B (en) | 2008-08-05 | 2008-08-05 | Cable fastening component and overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810145401 CN101646323B (en) | 2008-08-05 | 2008-08-05 | Cable fastening component and overvoltage protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101646323A CN101646323A (en) | 2010-02-10 |
| CN101646323B true CN101646323B (en) | 2013-03-27 |
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ID=41657970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810145401 Expired - Fee Related CN101646323B (en) | 2008-08-05 | 2008-08-05 | Cable fastening component and overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101646323B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201608712D0 (en) * | 2016-05-18 | 2016-06-29 | Electro Expo Ltd | Housing system for electrical connectors |
| CN110943339B (en) * | 2019-12-13 | 2021-02-19 | 深圳市灏胜电子科技有限公司 | Wiring terminal for wire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2333110Y (en) * | 1998-03-25 | 1999-08-11 | 刘树臣 | Over-voltage protector for colour television |
| CN2783720Y (en) * | 2005-03-07 | 2006-05-24 | 蒋国良 | Wire pressing clamp for electric appliances |
| CN200950539Y (en) * | 2006-09-27 | 2007-09-19 | 东莞市石碣雷迅电子厂 | Opening-closing buckle for fixing cable |
-
2008
- 2008-08-05 CN CN 200810145401 patent/CN101646323B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2333110Y (en) * | 1998-03-25 | 1999-08-11 | 刘树臣 | Over-voltage protector for colour television |
| CN2783720Y (en) * | 2005-03-07 | 2006-05-24 | 蒋国良 | Wire pressing clamp for electric appliances |
| CN200950539Y (en) * | 2006-09-27 | 2007-09-19 | 东莞市石碣雷迅电子厂 | Opening-closing buckle for fixing cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101646323A (en) | 2010-02-10 |
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