CN204927592U - Fastener, for terminal box plug and terminal box - Google Patents
Fastener, for terminal box plug and terminal box Download PDFInfo
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- CN204927592U CN204927592U CN201520723799.7U CN201520723799U CN204927592U CN 204927592 U CN204927592 U CN 204927592U CN 201520723799 U CN201520723799 U CN 201520723799U CN 204927592 U CN204927592 U CN 204927592U
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- terminal box
- hole
- plug
- wire clamp
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Abstract
The disclosed embodiment of the utility model provides a fastener includes: a housing. And a plurality of jack catchs, extending to the inboard from the casing radius vector in wire hole one side, the diameter of wire is lighter than by the open -ended diameter that radial inward flange surrounded of a plurality of jack catchs, the fastener is suitable for the intracavity of acceping of being acceptd at plug for the terminal box, and the fastener is configured as feasiblely: when a plurality of jack catch is advanced from the entrance hole along the perforating hole to the wire, elastic deformation takes place under the thrust effect make the wire pass the perforating hole, and after the wire was passed the perforating hole, when entrance hole one side pulling wire was followed to external force, the outer peripheral face of casing formed the wedge work with the periphery wall of accommodating the chamber and is used for stoping the wire to be pulled out the perforating hole. Through the fastener and the wedge effect of acceping the chamber, can realize the auto -lock of wire effectively, ensure the installation fastness of lamps and lanterns, prevent that lamps and lanterns from falling to cause danger, do not need any dismantlement, wire simple to operate labour saving and time saving. This disclosed embodiment still provides a plug for the terminal box and terminal box.
Description
Technical field
Embodiment of the present disclosure relates to a kind of wire clamp, can realize the self-locking of wire in terminal box plug especially.Embodiment of the present disclosure also relates to the terminal box plug and terminal box that comprise described wire clamp.
Background technology
Terminal box is widely used in electric equipment, for realizing the connection of electric equipment and power supply.In illumination applications, the wire of light fixture is connected to terminal box by terminal box (also referred to as ceiling block), to be installed together by terminal box and the power supply wiring head be arranged in ceiling (exemplarily), the supply line realizing light fixture thus connects.In one end of ceiling, be usually provided with wiring the end of a thread, terminal box is disposed between wiring the end of a thread of light fixture and ceiling.One end of terminal box is provided with connecting terminal components, and the other end is provided with through wires hole, the electric lead of light fixture is inserted through wires hole and is fixedly connected to connecting terminal components, thus the wire of light fixture being connected to the power supply wiring head be arranged in ceiling.
But the terminal box of prior art is unsatisfactory.In prior art, in order to the wire of light fixture is fixed to terminal box, must disassemble the housing of terminal box, the wire of light fixture could be connected to the terminal of the correspondence of terminal box, such operation inevitably bothers very much, causes the time-consuming effort of lamp installation.In addition, in prior art when the holding screw of terminal gets loose, light fixture has the risk of falling from ceiling.There is the space of improving in the terminal box of prior art.
Utility model content
In view of this, one of object of embodiment of the present disclosure is to provide a kind of friction welding (FW) stirring-head, and it at least can solve in above-mentioned prior art the one or more technical problems existed.Of the present disclosure is that one of object of execution mode is also to provide the terminal box plug and terminal box that comprise described wire clamp.
According to first aspect of the present disclosure, provide a kind of wire clamp, comprising: housing, described housing limits the through hole passed for wire of longitudinally axis, and described through hole comprises entrance hole and wire hole; And multiple claw, extend to radially inner side from described housing in described wire hole side, the diameter of the opening wherein surrounded by the radially inward edge of described multiple claw is less than the diameter of described wire; Wherein said wire clamp is suitable for being housed in the host cavity of terminal box plug, described wire clamp is configured to make: when described wire advances to described multiple claw from described entrance hole along described through hole, strain occurs under thrust and makes described wire through described through hole; And after described wire is through described through hole, when external force pulls described wire from described entrance hole side, the outer peripheral face of described housing and the periphery wall of described host cavity form chock and do in order to stop described wire to be drawn out described through hole.
According to an embodiment of the present disclosure, described claw is extend inside generally l-shaped geocentric vertical in the cross section cut open along described longitudinal axis.
According to an embodiment of the present disclosure, described wire clamp is the frustum thicker gradually to the direction of described wire hole from described entrance hole.
According to an embodiment of the present disclosure, wire clamp also comprises: at least one position of bone of outwardly arranging from the periphery wall of described wire clamp of axis along the longitudinal, for pulling the chock effect formed between outer peripheral face and the periphery wall of described host cavity increasing described housing during described wire from described entrance hole side.
According to an embodiment of the present disclosure, the described housing position at described multiple claw place is provided with slit each other near described claw.
According to an embodiment of the present disclosure, described housing comprises in the entrance hole side of described through hole and is suitable for pre-installation portion, and described pre-installation portion is configured to be clipped to described terminal box plug provisionally and at described wire through removing during described through hole and the buckle of described terminal box plug.
According to an embodiment of the present disclosure, the number of described claw is 2-6.
According to second aspect of the present disclosure, provide a kind of terminal box plug, for terminal box socket with the use of, comprising: bayonet cap, its top end is provided with through wires hole, and described bayonet cap limits host cavity around described through wires hole; According to wire clamp recited above, be configured in described host cavity; Plug base, it is installed together in the side contrary with described through wires hole and described bayonet cap, and described Plug base comprises plug terminal assembly, and described plug terminal assembly is suitable for being formed with the corresponding component in described terminal box socket being electrically connected.
According to an embodiment of the present disclosure, described wire clamp is housed in described host cavity slidably.
According to an embodiment of the present disclosure, described host cavity is at the taper becoming to broaden gradually towards the direction of described Plug base from described through wires hole.
According to an embodiment of the present disclosure, described Plug base is provided with metallic channel, so that the wire entering into described Plug base from described through wires hole is directed to pre-position, to form electrical contact with described plug terminal assembly.
According to the third aspect of the present disclosure, a kind of terminal box is provided, comprises: according to terminal box plug recited above; And the terminal box socket to be installed together with described terminal box plug, it is provided with the conductor terminal be connected with power line, and described plug terminal assembly is suitable for being formed with the conductor terminal in described terminal box socket being electrically connected.
According to an embodiment of the present disclosure, the periphery of described terminal box plug is provided with at least one installation shaft highlightedly, described terminal box plug is provided with installing hole, and described installing hole is configured to be suitable for receiving described installation shaft and is configured to described terminal box plug and described terminal box socket are locked to each other after described installation shaft rotates an angle.
According to the wire clamp of embodiment of the present disclosure, by the chock effect of wire clamp and host cavity, effectively can realize the self-locking of wire, guarantee the installation fastness of light fixture, prevent light fixture from falling and cause danger; In addition, the terminal box of embodiment of the present disclosure, without any need for dismounting, wire is easy for installation time saving and energy saving.
Accompanying drawing explanation
Now by means of only the mode of example, with reference to appended accompanying drawing, embodiment of the present disclosure is described, wherein:
Fig. 1 a and Fig. 1 b is according to terminal box schematic perspective view of the present disclosure;
Fig. 2 is the decomposing schematic representation of the terminal box according to embodiment of the present disclosure;
Fig. 3 is the cutaway view according to the terminal box plug of embodiment of the present disclosure longitudinally axis;
Fig. 4 is the exploded perspective view of the terminal box plug according to embodiment of the present disclosure;
Fig. 5 a and Fig. 5 b is the schematic perspective view observed according to the different angles of the wire clamp of embodiment of the present disclosure; And
Fig. 6 is the elevational schematic view of the terminal box plug according to embodiment of the present disclosure.
Embodiment
Below with reference to exemplary embodiment, principle of the present disclosure and spirit are described.Should be appreciated that describing these embodiments is only used to enable those skilled in the art understand better and then realize the disclosure, and not limit the scope of the present disclosure by any way.
In order to solve the loaded down with trivial details and problem of terminal box poor stability of wiring process of the prior art, present inventor is by studying and proposing a kind of cable clamp structure, there is provided the effective locking to wire by the Unique physical design of wire clamp, overcome the problem of prior art thus.
Below in conjunction with accompanying drawing, embodiment of the present disclosure is described.
As depicted in figs. 1 and 2, terminal box 1 comprises: terminal box plug 10, comprises plug terminal assembly; And the terminal box socket 20 to be installed together with terminal box plug 10, it is provided with the binding post (see L, the N shown in Fig. 1 b and earth terminal) be connected with power line, and plug terminal assembly is suitable for being formed with the binding post in terminal box socket 20 being electrically connected.
In one embodiment, terminal box 1 is rotary terminal box.Wherein, the periphery of terminal box plug 10 is provided with at least one installation shaft (not shown) highlightedly, and terminal box plug 10 is provided with receiving opening (not shown), and receiving opening is configured to be suitable for receiving installation shaft.Rotated to an angle by terminal box plug 10, after driving installation shaft to rotate to an angle thus, installation shaft just terminal box plug 10 and terminal box socket 20 is locked to each other.Should be understood that, terminal box plug 10 and terminal box socket 20 also can adopt other mounting means.
As shown in the figure, terminal box 1 one end is provided with through wires hole, and the other end is provided with binding post, is depicted as L, N and earth terminal in the drawings.Through the wire of electric component, can be able to be mounted on the fastening surface of such as ceiling 30 in the side arranging binding post of terminal box in the side arranging through wires hole of terminal box.Although embodiment of the present disclosure is depicted as three of bunchy wires are connected to L, the N shown in figure and binding post place respectively by three connecting terminal components, should be understood that, the inventive concept of embodiment of the present disclosure not pair of wire connection terminals and wear the wire count penetrated and do any restriction.Such as, in one embodiment, multiple through wires hole can be set in one end of terminal box 1, in each through wires hole, through a branch of wire be made up of multiple conducting wires or a wire can be extended only through.In order to the convenience illustrated, the application is at one end to arrange a through wires hole, and the example arranging three binding posts at the other end is that example is to illustrate design of the present disclosure.Although the application is described for light fixture terminal box, the inventive concept of the application is not limited to lamp applications, can be applied in other wiring occasion.
Below in conjunction with Fig. 3-Fig. 5, terminal box plug according to embodiment of the present disclosure and wire clamp are described.As shown in Figure 3 and Figure 4, terminal box plug 10 comprises: bayonet cap 12, and its top end is provided with through wires hole, and bayonet cap 12 limits host cavity around through wires hole; Wire clamp 14, is configured in host cavity; Plug base 18, it is installed together in the side contrary with through wires hole and bayonet cap 12, and Plug base 18 comprises plug terminal assembly 16, and plug terminal assembly 16 is suitable for being formed with the corresponding component in terminal box socket 20 being electrically connected.
Fig. 5 shows the CONSTRUCTED SPECIFICATION of wire clamp 14.As shown in Figure 3 and Figure 5, wire clamp 14, comprising: housing 140, and housing 140 limits the through hole 141 passed for wire 2 of longitudinally axis, and through hole 141 at one end limits entrance hole, limits wire hole at the other end; And multiple claw 142, extend from housing 140 to radially inner side in wire hole side, the diameter of the opening wherein surrounded by the radially inward edge of multiple claw 142 is less than the diameter of wire 2; Wherein wire clamp 14 is suitable for being housed in the host cavity of terminal box plug 10, wire clamp 14 is configured to make: when wire 2 advances to multiple claw 142 from entrance hole along through hole 141, strain occurs under thrust and makes wire 2 through through hole 141; And after wire 2 is through through hole 141, when external force pulls wire 2 from entrance hole side, the outer peripheral face of housing 140 and the periphery wall of host cavity form chock and do in order to stop wire 2 to be drawn out through hole 141.
According to embodiment of the present disclosure, because wire clamp 14 and the internal perisporium of the host cavity of bayonet cap 12 form chock effect, especially, when wire 2 advances to multiple claw 142 from entrance hole along through hole 141, claw 142 has suitable rigidity and can produce strain, there is strain downwards in claw 142 under thrust, and wire 2 can be allowed thus through through hole 141.After wire 2 is through through hole 141, when external force pulls wire 2 from entrance hole side (when such as causing light fixture to fall at loosened screw), the outer peripheral face of the housing 140 of wire clamp and the periphery wall of host cavity form chock and do in order to stop wire 2 to be drawn out through hole 141.Therefore, it is possible to effectively realize the self-locking of wire, guarantee the installation fastness of light fixture, prevent light fixture from falling and cause danger.
According to an embodiment of the present disclosure, claw 142 is extend inside generally l-shaped geocentric vertical in the cross section that longitudinally axis is cut open.According to an embodiment of the present disclosure, wire clamp 14 is the thicker gradually frustum in the direction from entrance hole to wire hole.Be formed as frustum thicker gradually downwards and can form lozenges, also can guarantee the rigidity of wire clamp simultaneously.
According to an embodiment of the present disclosure, wire clamp 14 also comprises: at least one position of bone 144 of outwardly arranging from the periphery wall of wire clamp 14 of axis along the longitudinal, for increasing the chock effect formed between the outer peripheral face of housing 140 and the periphery wall of host cavity when pulling wire 2 from entrance hole side.When arrange extend along the longitudinal the position of bone 144, effectively can strengthen the chock effect between wire clamp and host cavity, and can effectively by the force distribution between wire and claw 142 on the position of bone 144.In the illustrated embodiment, the position of bone 144 is the form of the cylinder given prominence to from the outer peripheral face of housing 140, and the position of bone 144 also can be formed as other shape, the form of such as tabular surface.
According to an embodiment of the present disclosure, wire clamp 14 is housed in host cavity slidably.Be slidably in situation at wire clamp, chock action effect can be strengthened further.When wire is inserted through hole, because wire clamp 14 is formed as frustum, along with wire clamp 14 inwardly slides along host cavity, active force between the outer peripheral face of wire clamp 14 and host cavity reduces, host cavity diminishes for the restraining force of wire clamp 14 thus, help lend some impetus to the strain of claw, accelerate wire through through hole; Otherwise, when leading for coming off from through hole, along with wire clamp 14 outwards slides along host cavity, active force between the outer peripheral face of wire clamp 14 and host cavity increases, host cavity becomes large for the restraining force of wire clamp 14 thus, contributes to the strain limiting claw, wire clamp is inwardly accommodated, thus clamping wire, prevent wire dropping.
According to an embodiment of the present disclosure, housing 140 position at multiple claw 142 place is provided with slit 146 each other near claw 142.In this case, when guaranteeing rigidity, the distortion of claw can be promoted further.
According to an embodiment of the present disclosure, housing 140 comprises in the entrance hole side of through hole 141 and is suitable for pre-installation portion 148, and pre-installation portion is configured to be clipped to terminal box plug 10 provisionally and at wire 2 through removing during through hole 141 and the buckle of terminal box plug 10.Pre-installation portion 148 can facilitate the assembling of terminal box plug.
According to an embodiment of the present disclosure, the number of claw 142 is 2-6.Have 4 in the embodiment shown in the drawings, should be understood that, the claw of other number is also fine.
According to an embodiment of the present disclosure, the host cavity of terminal box plug is at the taper becoming to broaden gradually towards the direction of Plug base 18 from through wires hole.Corresponding with the frustum that wire clamp 14 is formed as direction from entrance hole to wire hole thicker gradually, this configuration of host cavity can strengthen the synergy with wire clamp.
According to an embodiment of the present disclosure, Plug base 18 is provided with metallic channel 182, so that the wire 2 entering into Plug base 18 from through wires hole is directed to pre-position, to form electrical contact with plug terminal assembly 16.Fig. 6 illustrates the schematic diagram that wire 2 is directed in guiding groove.Owing to arranging metallic channel 182, at wire through after through hole, wire automatically guides to connecting terminal components via metallic channel 182.Thus, when not tearing terminal box plug open, also can realize the convenient of wire and installing, using manpower and material resources sparingly.
Give specification of the present disclosure for the object illustrated and describe, but it is not intended to be exhaustive or be limited to disclosed form.It may occur to persons skilled in the art that a lot of amendment and variant.Although describe the disclosure with reference to the execution mode considered at present, should be appreciated that the disclosure is not limited to disclosed execution mode.On the contrary, the disclosure is intended to contain the interior included various amendment of spirit and scope and the equivalent arrangements of claims.The scope of following claim meets most broad interpretation, to comprise all such amendments and equivalent structure and function.
Claims (13)
1. a wire clamp, is characterized in that, comprising:
Housing, described housing limits the through hole passed for wire of longitudinally axis, and described through hole comprises entrance hole and wire hole; And
Multiple claw, extends to radially inner side from described housing in described wire hole side, and the diameter of the opening wherein surrounded by the radially inward edge of described multiple claw is less than the diameter of described wire;
Wherein said wire clamp is suitable for being housed in the host cavity of terminal box plug,
Described wire clamp is configured to make: when described wire advances to described multiple claw from described entrance hole along described through hole, strain occurs under thrust and makes described wire through described through hole; And after described wire is through described through hole, when external force pulls described wire from described entrance hole side, the outer peripheral face of described housing and the periphery wall of described host cavity form chock and do in order to stop described wire to be drawn out described through hole.
2. wire clamp according to claim 1, is characterized in that, described claw is extend inside generally l-shaped geocentric vertical in the cross section cut open along described longitudinal axis.
3. wire clamp according to claim 1, is characterized in that, described wire clamp is the frustum thicker gradually to the direction of described wire hole from described entrance hole.
4. wire clamp according to claim 3, is characterized in that, also comprises:
At least one position of bone of outwardly arranging from the periphery wall of described wire clamp of axis along the longitudinal, for pulling the chock effect formed between outer peripheral face and the periphery wall of described host cavity increasing described housing during described wire from described entrance hole side.
5. wire clamp according to claim 1, is characterized in that, the described housing position at described multiple claw place is provided with slit each other near described claw.
6. wire clamp according to claim 1, it is characterized in that, described housing comprises in the entrance hole side of described through hole and is suitable for pre-installation portion, and described pre-installation portion is configured to be clipped to described terminal box plug provisionally and at described wire through removing during described through hole and the buckle of described terminal box plug.
7. wire clamp according to claim 1, is characterized in that, the number of described claw is 2-6.
8. a terminal box plug, for terminal box socket with the use of, it is characterized in that, comprising:
Bayonet cap, its top end is provided with through wires hole, and described bayonet cap limits host cavity around described through wires hole;
Wire clamp according to any one of claim 1-7, is configured in described host cavity;
Plug base, it is installed together in the side contrary with described through wires hole and described bayonet cap, and described Plug base comprises plug terminal assembly, and described plug terminal assembly is suitable for being formed with the corresponding component in described terminal box socket being electrically connected.
9. terminal box plug according to claim 8, is characterized in that, described wire clamp is housed in described host cavity slidably.
10. terminal box plug according to claim 8, is characterized in that, described host cavity is at the taper becoming to broaden gradually towards the direction of described Plug base from described through wires hole.
11. terminal box plugs according to claim 8, it is characterized in that, described Plug base is provided with metallic channel, so that the wire entering into described Plug base from described through wires hole is directed to pre-position, to form electrical contact with described plug terminal assembly.
12. 1 kinds of terminal boxes, is characterized in that, comprising:
Terminal box plug according to Claim 8 according to any one of-11, it comprises plug terminal assembly; And
The terminal box socket be installed together with described terminal box plug, it is provided with the conductor terminal be connected with power line, and described plug terminal assembly is suitable for being formed with the conductor terminal in described terminal box socket being electrically connected.
13. terminal boxes according to claim 12, it is characterized in that, the periphery of described terminal box plug is provided with at least one installation shaft highlightedly, described terminal box plug is provided with installing hole, and described installing hole is configured to be suitable for receiving described installation shaft and is configured to described terminal box plug and described terminal box socket are locked to each other after described installation shaft rotates an angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723799.7U CN204927592U (en) | 2015-09-17 | 2015-09-17 | Fastener, for terminal box plug and terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520723799.7U CN204927592U (en) | 2015-09-17 | 2015-09-17 | Fastener, for terminal box plug and terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927592U true CN204927592U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520723799.7U Active CN204927592U (en) | 2015-09-17 | 2015-09-17 | Fastener, for terminal box plug and terminal box |
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| Country | Link |
|---|---|
| CN (1) | CN204927592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486793A (en) * | 2016-12-21 | 2017-03-08 | 丹阳特瑞莱电子有限公司 | A kind of CA cable assembly be stably connected with device |
| CN107681283A (en) * | 2017-09-28 | 2018-02-09 | 深圳供电局有限公司 | A kind of single bolt band projection conical surface fixed high-pressure high current binding post |
-
2015
- 2015-09-17 CN CN201520723799.7U patent/CN204927592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486793A (en) * | 2016-12-21 | 2017-03-08 | 丹阳特瑞莱电子有限公司 | A kind of CA cable assembly be stably connected with device |
| CN107681283A (en) * | 2017-09-28 | 2018-02-09 | 深圳供电局有限公司 | A kind of single bolt band projection conical surface fixed high-pressure high current binding post |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |