CN203747101U - Screw thread-free wiring socket - Google Patents
Screw thread-free wiring socket Download PDFInfo
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- CN203747101U CN203747101U CN201420125963.XU CN201420125963U CN203747101U CN 203747101 U CN203747101 U CN 203747101U CN 201420125963 U CN201420125963 U CN 201420125963U CN 203747101 U CN203747101 U CN 203747101U
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- pedestal
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Abstract
A screw thread-free wiring socket is provided. De-wiring terminals of each of poles are respectively installed on a base; insertion sleeves of each of poles are respectively provided with a wiring terminal which is composed of a wiring sheet, a body sheet and a fixing sheet, wherein the wiring sheet, the body sheet and the fixing sheet are in end-to-end connection with one another so as to form a n-shaped structure; the opening of the n-shaped structure faces a wiring hole in the base; a plurality of wire clamping reeds are respectively installed in each wiring terminal; each wire clamping reed includes a locking segment, a first arc segment which abuts against a corresponding fixing sheet and a reed mounting surface on the base respectively, a middle arc segment, a second arc segment, a wire pressing segment and a third arc segment, and a positing segment which abuts against a corresponding body sheet and fixing sheet, wherein the locking segment, the first arc segment, the middle arc segment, the second arc segment, the wire pressing segment and the third arc segment and the positing segment are in end-to-end connection with one another; an elastic deformation interval is formed between end heads of the second arc segment and the locking segment, and therefore, a hard wire can be elastically clamped in the elastic deformation interval, so that elastic connection and mechanical locking of the hard wire can be realized; extended lines of the locking segment, the middle segment and the wire pressing segment respectively intersect with the extended line of the wiring sheet, so that three corresponding angles A, B and C can be formed, and the three corresponding angles A, B and C range from 15 degrees to 75 degrees, and the directions of the tips of the three corresponding angles A, B and C are the same with the insertion direction of the head wire.
Description
Technical field
The utility model relates to electrical technology field, is specifically related to a kind of wall socket, particularly a kind of without screw thread connector socket.
Background technology
The wall socket being most widely used at present often needs to complete at the construction field (site) power supply wiring, so the function of fast-wiring is particularly important.The common power socket wiring of the old-fashioned employing screw thread mode of connection is too slow, generally adopt at present replacing without screw thread connector socket without the screw thread mode of connection, the binding post that people only need insert hard wire socket at the construction field (site) can complete wiring operation fast, and without specific purpose tool.But owing to being installed in a large number the wall of building without screw thread connector socket, be difficult to accomplish in installation process to detect one by one, therefore require will ensure that product has very high security reliability and useful life in the manufacturing process of product and product transport, storage or installation process after sale always.The seen structure without screw thread connector socket is various in the market, and mostly existing and can only connecing sectional area without screw connection structure is 2.5mm
2and following hard wire, can not meet 4mm
2the problem of hard wire, if firmly connect 4mm by existing without screw thread connector socket
2hard wire use, enable to connect, the electrical contact performance of its binding post with the current capacity serious unbalance of hard wire (as 4mm
2the safe current-carrying value of the hard wire of copper core be 28A, and actual safe, the stable conductive capability electrically contacting of binding post does not reach 28A), but after maximum 5 wiring operations, the plastic deformation of the spring leaf in it is serious, cause the potential safety hazard such as temperature rise, virtual connection, the lighter causes current capacity to decline, and severe one caused product rejection because electrical contact performance loses efficacy.Also have, existing socket product is subject to external impact and damages as accidental fall, the multiple form of damage as the button bit cracking between cover plate and pedestal, come off or displacement, the damage wherein having is often difficult to be found in installation process, once and injured socket product is installed on building, just form potential safety hazard.And the problems referred to above lack precautionary measures.
Sectional area of wire is from 2.5mm
2be increased to 4mm
2sectional area of wire has increased by 60%, and the existing miniaturization that is limited by wall socket without screw thread connector socket, require the size of binding post to remain unchanged, this causes spring leaf, and relatively the distortion of himself size is excessive, that is to say, the ability that existing miniaturization binding post defines the effective elasticity distortion (i.e. effective strain in the direction of insertion perpendicular to hard wire) of spring leaf does not reach accepts 4mm
2the requirement of hard wire.Find according to applicant's experimental study: the first, in the spring leaf of finite length, the ratio of total length that the length that does not produce the minimum fragment of strain and/or strain accounts for spring leaf is larger, and the ability of the effective elasticity of spring leaf distortion is just more weak; The second, at the free end of spring leaf, if each fragment be subject to the difference between force direction (being each fragment length direction) larger,, due to due to stress concentrates, the ability of the useful strain of spring leaf is also just more weak; The 3rd, at the free end of spring leaf, the elastic deformation amount of each fragment is superposability, can strengthen the ability of the useful strain of spring leaf.Cause the structure problem place of the ability shortcoming of its effective elasticity distortion below in conjunction with two kinds of existing product example explanations shown in Fig. 1 and Fig. 2.The length of intermediate 15a that does not produce strain in Fig. 1 is excessive, reach a times of height H ˊ of locking spring, and locking plate 15b and compressing tablet 15c are cut apart by intermediate 15a, the elastic deformation amount of locking plate 15b and the elastic deformation amount of compressing tablet 15c can not be superposeed, and the short-board effect of locking plate 15b has determined that the ability of the strain of locking spring can not be greater than the effective elasticity deflection of locking plate 15b (referring to produce the deflection of plastic deformation).Although its length that does not produce the spacer 16a of strain is reduced to the half of the height H 〞 of spring leaf 16 in Fig. 2, but in the free-ended compressing tablet 16c of spring leaf 16, there is the minimum fragment 16c ˊ of strain, do not produce the length of the minimum fragment 16c ˊ of the spacer 16a of strain and strain and account for the ratio of total length of spring leaf still excessive, in addition, fragment 16c ˊ and compressing tablet 16c, length direction between locking plate 16b etc. differs too large, can cause stress to concentrate on the curved segment 16d place between spacer 16a and compressing tablet 16c, cause thus wiring ability obviously to decline.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the purpose of this utility model be to provide a kind of fail safe, stability, good reliability and long service life without screw thread connector socket, under the prerequisite that does not increase product size, realize and meet 4mm
2hard wire and can there is not the effect of plastic deformation in spring leaf, and can effectively prevent product accidental injury due to external impact, to reduce transport, storage or the installation process performance on product and the risk of quality impact after sale.
The applicant has designed, has tested and implemented the utility model and overcome the shortcoming of prior art, and has obtained these and other objects and advantages.
According to one of the present utility model without screw thread connector socket, L utmost point sleeve 3, N utmost point sleeve 4 is fixedly mounted on respectively by cover plate 1 and is fixedly connected with formed inner chamber with pedestal 2 with E utmost point sleeve 5, the L utmost point moves back line 30, the N utmost point moves back line 40 and the E utmost point and moves back line 50 and be arranged on respectively on described pedestal 2, pedestal 2 is provided with penetrating wiring hole 20 and reed installed surface 23, described L utmost point sleeve 3, on N utmost point sleeve 4 and E utmost point sleeve 5, be respectively equipped with the grafting cover that at least one binding post 8 and at least one permission plug insert, each binding post 8 comprises the end to end lug plate 81 that forms door font successively, body sheet 82 and stator 83, the wiring hole 20 of the opening of this font on pedestal 2, multiple clamp reeds 9 are arranged on respectively in each binding post 8, wherein: described each clamp reed 9 comprises successively end to end locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 and location fragment 97, location fragment 97 wherein respectively with body sheet 82 and stator 83 butts of binding post 8, the first segmental arc 92 respectively with stator 83 and pedestal 2 on reed installed surface 23 butts, the termination of the second segmental arc 94 and locking fragment 91 is respectively towards lug plate 81, and form two strain intervals 900 between they and lug plate 81, to allow hard wire 10 to insert in it from described wiring hole 20, realize hard wire 10 this strain interval 900 interior by the second segmental arc 94 and lug plate 81 elastic clampings with in forming electrical connection, described hard wire 10 is locked fragment 91 and lug plate 81 elastic clampings formation mechanical cagings also, be 15 ° to 75 ° with extended line crossing formed three corresponding angles A, the B of described lug plate 81, the angular range of C respectively by the extended line of described locking fragment 91, intermediate segment 93 and line ball fragment 95, and the sensing of the top of the horn of these three corresponding angles A, B, C all with the direction of insertion D of hard wire 10 in the same way.
This specification herein and below, in the time that we speak of the end to end shape successively of each clamp reed 9, our meaning refers to any shape that is suitable for the maximum effective elasticity deflection of realizing clamp reed 9, for example, by locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94 and the line ball fragment 95 S shape forming of joining, with by line ball fragment 95, the 3rd segmental arc 96 with locate fragment 97 the J-shaped of being connected with described S shape of forming of joining.Also need the sign of the relevant technologies feature of the present utility model of understanding to be, the radius of curvature R 2 of the second segmental arc 94 of relevant with the radius of curvature size of the reed shape of the effective elasticity deflection of limited bending is described clamp reed 9 is greater than the radius of curvature R 3 of the 3rd segmental arc 96, and the radius of curvature R 2 of the second segmental arc 94 is greater than the radius of curvature R 1 of the first segmental arc 92.
According to a feature of the present utility model, each side of described cover plate 1 both sides is equipped with elasticity coverboard 11 and limit rib 12, the medial surface of each elasticity coverboard 11 is provided with buckle 111, each side of described pedestal 2 both sides is equipped with draw-in groove 21 and confined planes 22, described buckle 111 can snap in draw-in groove 21 and form being fixedly connected with of cover plate 1 and pedestal 2, and described limit rib 12 and confined planes 22 butts form being located by connecting of cover plates 1 and pedestal 2 simultaneously.
According to a kind of form of embodiment of the present utility model, described pedestal 2 is provided with L gate terminal mounting structure 3 ˊ of same structure, N gate terminal mounting structure 4 ˊ and E gate terminal mounting structure 5 ˊ, each terminal installation structure 3 ˊ, 4 ˊ, 5 ˊ comprise the U-shaped sidewall 24 on the drain pan 27 that is formed on pedestal 2, spacing preiection 25, move back line mounting groove 26, reed installed surface 23 and wiring hole 20, wherein the U-shaped sidewall 24 of every utmost point and the common formation of drain pan 27 can be held the installation location notch of multiple binding posts 8 of homopolarity, the spacing preiection 25 of every utmost point is separated and relocates multiple binding posts 8 of installing in location notch, the reed installed surface 23 of every utmost point and the first segmental arc 92 butts of the clamp reed 9 of homopolarity.
In the another kind of form of embodiment of the present utility model, it is identical with the shape and structure that the N utmost point moves back line 40 that the described L utmost point moves back line 30, they coordinate with two clamp reeds 9 of homopolarity respectively, move back line 30 and the N utmost point move back and on line 40, be equipped with one and prevent that clamp reed 9 first of the first horizontal bar 341 of use, two cambered surfaces 342 that coordinate with two locking fragments 91 respectively and anti-retaining line self the upset use that tilts from erecting muscle 343 at each L utmost point; The described E utmost point moves back line 50 and coordinates with two clamp reeds 9 of homopolarity, moves back and on line 50, is provided with one and prevents that clamp reed 9 second of the second horizontal bar 501 of use, two the second cambered surfaces 502 that coordinate with two locking fragments 91 respectively and two anti-retaining lines 50 self the upset use that tilts from erecting muscle 503 at the E utmost point.
In the another kind of form of embodiment of the present utility model, described clamp reed 9 comprises for locking the gripping mechanism 9a that hard wire 10 can not freely extract and realizing the hold down gag 9b of electrical connection for compressing hard wire 10; Described gripping mechanism 9a comprises locking fragment 91, the first segmental arc 92 and the intermediate segment 93 of elastically deformable and is arranged on the sticking department 910 that contacts lock fit on the termination that locks fragment 91 with hard wire 10; Described hold down gag 9b comprises intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 of elastically deformable and is arranged on the compressed part 940 that contacts compression fit in the second segmental arc 94 with hard wire 10; Described gripping mechanism 9a and hold down gag 9b are connected in series and form mutual interlock by intermediate segment 93.
In a kind of form of embodiment, the lug plate 81 of described binding post 8 is provided with the inclined-plane 811 stretching along the direction of insertion of hard wire 10, described pedestal 2 is provided with the anticreep face on corresponding each inclined-plane 811, the shape of cross section in described inclined-plane 811 and the common formation of anticreep face is leg-of-mutton groove, and described inclined-plane 811 contacts and limit hard wire 10 radial slippage with the hard wire 10 inserting in this groove respectively with anticreep face.
In a kind of form of embodiment, on the termination of described location fragment 97, be also provided with the lateral support sheet 970 vertical with this location fragment 97.
In the another kind of form of embodiment of the present utility model; described also comprises without screw thread connector socket the pressing plate 6 being arranged in described cover plate 1; and being arranged on the shutter assembly 7 between pressing plate 6 and cover plate 1, described shutter assembly 7 comprises that two insert shutter 71, three slotting shutter 72 and back-moving springs 73.
Brief description of the drawings
Fig. 1 is a kind of planar structure schematic diagram of the existing spring leaf adopting without screw thread connector socket.
Fig. 2 is the planar structure schematic diagram of the another kind of existing spring leaf adopting without screw thread connector socket.
Fig. 3 is the surface structure schematic perspective view without screw thread connector socket of the present utility model.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic perspective view without screw thread connector socket of the present utility model.
Fig. 5 is the internal structure schematic perspective view of the cover plate 1 of socket.
Fig. 6 is the internal structure schematic perspective view of pedestal 2.
Fig. 7 is the positional structure schematic perspective view after L utmost point sleeve 3, N utmost point sleeve 4,5 installations of E utmost point sleeve, and the position relationship between them has been shown in Fig. 7.
Fig. 8 is the perspective view of the L utmost point sleeve 3 shown in Fig. 7.
Fig. 9 is the perspective view of the N utmost point sleeve 4 shown in Fig. 7.
Figure 10 is the perspective view of clamp reed 9 parts.
Figure 11 is the perspective view that adopts the L utmost point of identical structure to move back line 30 and the N utmost point to move back line 40.
Figure 12 is the perspective view that the E utmost point moves back line 50.
Figure 13 is the assembly structure schematic diagram of the binding post 8 of the E utmost point.
Figure 14 be represent the clamp reed 9 shown in Figure 10 basic comprising and the planar structure schematic diagram of the topology layout of each fragment.In Figure 14, illustrate that clamp reed 9 is joined and formed S shape by locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, joined and form be connected with S shape J-shaped by line ball fragment 95, the 3rd segmental arc 96, location fragment 97.
Figure 15 is the planar structure schematic diagram of the clamp reed 9 shown in Figure 10, further shows by the extended line of locking fragment 91, intermediate segment 93 and the line ball fragment 95 of clamp reed 9 and is all less than the structure of 90 ° with crossing three corresponding angles A, B, the C forming of extended line of lug plate 81 respectively.
Figure 16 is the planar structure schematic diagram of the clamp reed 9 shown in Figure 10, in Figure 16, illustrated that the radius of curvature R 2 of the second segmental arc 94 of clamp reed 9 is greater than the radius of curvature R 3 of the 3rd segmental arc 96, and the radius of curvature R 2 of the second segmental arc 94 is greater than the example of the radius of curvature R 1 of the first segmental arc 92.
Figure 17 and Figure 18 are respectively the operation principle floor map without screw thread connector socket of the present utility model shown in Fig. 3, and wherein Figure 17 is the state that does not insert hard wire 10, and wherein Figure 18 is the state that has inserted hard wire 10.
Embodiment
Below in conjunction with the embodiment shown in Fig. 3 to Figure 18, further describe the embodiment without screw thread connector socket of the present utility model.Embodiment of the present utility model is not limited to the following embodiment providing.
As Fig. 3, shown in Fig. 4, the pedestal 2 that is provided with cover plate 1 that comprises without screw thread connector socket of the present utility model, L utmost point sleeve 3, N utmost point sleeve 4, E utmost point sleeve 5, the pressing plate 6 of location use, shutter assembly 7 between pressing plate 6 and cover plate 1, the L utmost point moves back line 30, the N utmost point moves back line 40, the E utmost point moves back the clamp reed 9 that the clamp between line 50 and the multiple L/N/E of being arranged on utmost point sleeve and pedestal 2 is used, shutter assembly 7 comprises the two corresponding slotting shutters 71 of known features, three insert shutter 72 and back-moving spring 73, what it combined as required by known way is arranged between pressing plate 6 and cover plate 1.Cover plate 1 is fixedly connected with and forms inner chamber with pedestal 2, L utmost point sleeve 3, N utmost point sleeve 4 and E utmost point sleeve 5 are fixedly mounted on respectively in this inner chamber, the L utmost point moves back line 30, the N utmost point moves back line 40 and the E utmost point and moves back line 50 and be arranged on respectively on described pedestal 2, can correspondingly be located under the L/N/E utmost point sleeve in pedestal 2, pedestal 2 is provided with penetrating wiring hole 20 and reed installed surface 23, described L utmost point sleeve 3, on N utmost point sleeve 4 and E utmost point sleeve 5, be respectively equipped with two binding posts 8 and the corresponding grafting cover that allows plug to insert, the clamp reed 9 that each binding post 8 adopts has identical structure, each binding post 8 comprises the end to end lug plate 81 that forms door font successively, body sheet 82 and stator 83, the wiring hole 20 of the opening of this font on pedestal 2, multiple clamp reeds 9 are arranged on respectively in each binding post 8, wherein: described each clamp reed 9 comprises successively end to end locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 and location fragment 97, location fragment 97 wherein respectively with body sheet 82 and stator 83 butts of binding post 8, the first segmental arc 92 respectively with stator 83 and pedestal 2 on reed installed surface 23 butts, the termination of the second segmental arc 94 and locking fragment 91 is respectively towards lug plate 81, and form two strain intervals 900 between they and lug plate 81, to allow hard wire 10 to insert in it from described wiring hole 20, realize hard wire 10 this strain interval 900 interior by the second segmental arc 94 and lug plate 81 elastic clampings with in forming electrical connection, described hard wire 10 is locked fragment 91 and lug plate 81 elastic clampings formation mechanical cagings also, be 15 ° to 75 ° with extended line crossing formed three corresponding angles A, the B of described lug plate 81, the angular range of C respectively by the extended line of described locking fragment 91, intermediate segment 93 and line ball fragment 95, and the sensing of the top of the horn of these three corresponding angles A, B, C all with the direction of insertion D of hard wire 10 in the same way.Adopt like this without screw thread connector socket, all binding posts 8 can connect the hard wire of 1.5--4mm2, and binding post 8 also has compared with strong cohesiveness line ability after reusing, and moves back line easy-to-operate, simple in structure, button bit stable and not easy to crack.
Is a kind of preferred mounting structure of fixing and being located by connecting between cover plate 1 and pedestal 2 as shown in Fig. 3 to 6, each side of cover plate 1 both sides is equipped with elasticity coverboard 11, in cover plate 1, be provided with the limit rib 12 of four dropproof use, the medial surface of each elasticity coverboard 11 is provided with four buckles 111 corresponding with pedestal 2, each side of pedestal 2 both sides is equipped with draw-in groove 21 and confined planes 22, buckle 111 snaps in draw-in groove 21 and forms being fixedly connected with of cover plate 1 and pedestal 2, and limit rib 12 and confined planes 22 butts form being located by connecting of cover plates 1 and pedestal 2 simultaneously.In the time falling without screw thread connector socket, cover plate 1 is subject to external strength and impacts, and limit rib 12 props up the confined planes 22 on pedestal 2, prevents that displacement dropout from appearring in cover plate 1.Be understood that, buckle-draw-in groove fixed connection structure between cover plate 1 and pedestal 2 is the same with other most of fixed connection structures, due to its structure and reasons, do not there is pinpoint function, therefore in the time being impacted, easily cause loosening and displacement.The utility model is on the basis of this buckle-draw-in groove fixed connection structure, increase again the positioning connection structure being formed by limit rib 12 and confined planes 22 butts, therefore can effectively improve the impact strength being fixedly connected with between cover plate 1 and pedestal 2, damage to prevent socket product to be subject to external impact (as accidental fall).
Is binding post 8 and the preferred mounting structure of one that moves back line as shown in Fig. 6 and 13, pedestal 2 comprises L gate terminal mounting structure 3 ˊ of same structure, N gate terminal mounting structure 4 ˊ and E gate terminal mounting structure 5 ˊ, each terminal installation structure (3 ˊ, or 4 ˊ or 5 ˊ) comprise the U-shaped sidewall 24 on the drain pan 27 that is formed on pedestal 2, spacing preiection 25, move back line mounting groove 26, reed installed surface 23 and penetrating wiring hole 20, U-shaped sidewall 24 and the common formation of drain pan 27 can be held the installation location notch of multiple binding posts 8 of homopolarity, spacing preiection 25 is separated and relocates multiple binding posts 8 of installing in location notch, the first segmental arc 92 butts of reed installed surface 23 and clamp reed 9.Obviously, because the binding post 8 of L utmost point sleeve 3, N utmost point sleeve 4 and E utmost point sleeve 5 is subject to the periphery location of enclosed and the positioned internal of spacing preiection 25 of U-shaped sidewall 24 simultaneously, so not only further improved L utmost point sleeve 3, N utmost point sleeve 4 and the fixing reliability of E utmost point sleeve 5 in pedestal 2, L utmost point sleeve 3, N utmost point sleeve 4 and the impact strength that be fixedly connected with of E utmost point sleeve 5 with pedestal 2 have also been promoted, the situation of damage to improve socket product to be subject to external impact (as accidental fall) simultaneously.From Figure 13, another function being fixedly connected with between cover plate 1 and pedestal 2 is to be pushed down the body sheet 82 of binding post 8 by cover plate 1, and the termination of the termination of stator 83 and lug plate 81 respectively with drain pan 27 butts of pedestal 2, by such structure, binding post 8 is fixedly mounted in the installation location notch on pedestal 2.Be understood that, if adopt pressing plate 6, can push down by pressing plate 6 body sheet 82 of binding post 8, thereby binding post 8 is fixedly mounted in the installation location notch on pedestal 2.Pressing plate 6 is fixedly located in cover plate 1 or on pedestal 2 all can.
Described L utmost point sleeve 3, N utmost point sleeve 4 and E utmost point sleeve 5 are three independently parts, as shown in Fig. 3 to Fig. 9, are respectively equipped with at least one binding post 8 and at least one cover of pegging graft on L utmost point sleeve 3, N utmost point sleeve 4 and E utmost point sleeve 5.E utmost point sleeve 5 as shown in Figure 7, it is provided with by two lug plates 81, two stators 83 and two binding posts 8 that shared body sheet 82 forms, also be provided with an E utmost point grafting cover 5e simultaneously, this two binding posts 8 and the E utmost point cover 5e that pegs graft is co-located on and on N utmost point sleeve 5, forms an overall conductive pieces, two binding posts 8 are wherein homopolarity binding post, are all the binding posts of the E utmost point.L utmost point sleeve 3 as shown in Figure 8, it is provided with by two lug plates 81, two stators 83 and two binding posts 8 that shared body sheet 82 forms, also be provided with by the L utmost point three the peg graft grafting of the L utmost point that cover 3b form of cover 3a and L utmost point two of pegging graft simultaneously and overlap, the grafting cover of two binding posts 8 and two L utmost points is co-located on and on L utmost point sleeve 5, forms an overall conductive pieces, two binding posts 8 are wherein homopolarity binding post, are all the binding posts of the L utmost point.N utmost point sleeve 4 as shown in Figure 9, it is provided with by two lug plates 81, two stators 83 and two binding posts 8 that shared body sheet 82 forms, also be provided with by the N utmost point three the peg graft grafting of the N utmost point that cover 4b form of cover 4a and N utmost point two of pegging graft simultaneously and overlap, the grafting cover of two binding posts 8 and two N utmost points is co-located on and on N utmost point sleeve 4, forms an overall conductive pieces, two binding posts 8 are wherein homopolarity binding post, are all the binding posts of the N utmost point.Described each grafting cover is respectively facing to the jack on cover plate 1, so that the pin of external plug (not shown) inserts from described jack the cover of pegging graft, specifically as shown in Figure 3: the L utmost point three is pegged graft cover 3a facing to the slotting jack La of the L utmost point three, the L utmost point two is pegged graft cover 3b facing to the slotting jack Lb of the L utmost point two, the N utmost point three is pegged graft cover 4a facing to the slotting jack Na of the N utmost point three, the N utmost point two is pegged graft cover 4b facing to the slotting jack Nb of the N utmost point two, and the E utmost point is pegged graft cover 5e facing to E utmost point jack E.In sum, each binding post 8 on L utmost point sleeve 3, N utmost point sleeve 4 and E utmost point sleeve 5 has identical structure, each binding post 8 comprises end to end lug plate 81, body sheet 82 and the stator 83 that forms door font successively, the opening of this font is towards the wiring hole 20 being arranged on pedestal 2, to make hard wire 10 be inserted into the position (as shown in figure 18) that can contact with lug plate 81 from the opening of wiring hole 20 and door font.Each clamp reed 9 is arranged on respectively in each binding post 8, can innerly in the both sides of door shape respectively place one, be fit into by lug plate 81, body sheet 82, the stator 83 successively end to end character "door" form structure forming (as shown in figure 13) from the opening of described door font, and its elastic force is acted on to hard wire 10, hard wire 10 is clipped between clamp reed 9 and lug plate 81, realize electrical connection and mechanical caging between hard wire 10 and lug plate 81, clamp reed 9, realize without screw thread wiring.The available structure of one on the lug plate 81 of as shown in Figs. 7-9 is binding post 8, described lug plate 81 is provided with the inclined-plane 811 stretching along the direction of insertion of hard wire 10, on the both sides vertical edge of door shape part, be designed to inclined-plane 811 in the drawings, on described pedestal 2, corresponding each inclined-plane 811 is provided with anticreep face (not shown), inclined-plane 811 is leg-of-mutton groove with the shape of cross section of the common formation of anticreep face on pedestal 2, inclined-plane 811 and anticreep face clamp and limit hard wire 10 radial slippage by the hard wire 10 of single core inserting in triangular groove jointly, deviate to prevent wire.
Is a kind of preferred version that moves back line as shown in Figure 11 to 13, it is identical with the shape and structure that the N utmost point moves back line 40 that the described L utmost point moves back line 30, they coordinate with two clamp reeds 9 of homopolarity respectively, move back line 30 at each L utmost point and the N utmost point, 40 are provided with above one prevents tilt the first horizontal bar 341 of use of clamp reed 9, be respectively equipped with in each line (30 or 40) both sides of moving back the cambered surface 342 coordinating with two locking fragments 91, be provided with the first perpendicular muscle 343 of anti-retaining line self a upset use corresponding with corresponding sleeve in each upper end of moving back line (30 or 40).The L utmost point and the N utmost point move back that line 30,40 is arranged on respectively the L utmost point on pedestal 2 and N utmost point binding post is installed moving back in line installation slotted eye 26 in location notch, and the interior rectilinear movement of line installation slotted eye 26 can moved back, in the time moving along clamp reed 9 directions, the locking fragment 91 that described cambered surface 342 can promote clamp reed 9 produces strain, and this locking fragment 91 is separated with hard wire 10.In like manner, the described E utmost point moves back line 50 and coordinates with two clamp reeds 9 of homopolarity, moves back line 50 be provided with one above and prevent that tilt the second horizontal bar 501, the both sides of use of clamp reed 9 are provided with two the second cambered surface 502, upper rear end that coordinate with two locking fragments 91 respectively and are provided with two anti-retaining lines 50 corresponding with E utmost point sleeve bottom second of use of self overturning and erect muscle 503 at the E utmost point.Move back line 50 and be arranged on moving back in line installation slotted eye 26 in the E utmost point binding post installation location notch on pedestal 2, and the interior rectilinear movement of line installation slotted eye 26 can moved back, in the time moving along clamp reed 9 directions, the locking fragment 91 that described cambered surface 502 can promote clamp reed 9 produces strain, and makes to lock fragment 91 and separate with hard wire 10.
The assembly structure of the L utmost point and N utmost point binding post 8 and the E utmost point basic identical.As shown in Figure 10 and Figure 13 to 16, described clamp reed 9 comprises successively end to end locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96, location fragment 97, that is: one end of termination first segmental arc 92 of locking fragment 91, one end of another termination intermediate segment 93 of the first segmental arc 92, one end of another termination the second segmental arc 94 of intermediate segment 93, one end of another termination pressure-ray film section 95 of the second segmental arc 94, one end of another termination the 3rd segmental arc 96 of line ball fragment 95, one end of another termination spacer section 97 of the 3rd segmental arc 96.And join and forms S shape by locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, join and form and that S shape is joined is J-shaped by line ball fragment 95, the 3rd segmental arc 96, location fragment 97.Locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96, location fragment 97 are for forming the structure fragment of same clamp reed 9, they are integrally formed, therefore, joining between them described herein only refers to the linking of geometry, do not refer to two mechanical connections between part.In order further to strengthen the position stability of clamp reed 9, a kind of available scheme is, on the termination of the other end of described location fragment 97, is also provided with lateral support sheet 970, and lateral support sheet 970 is with to locate fragment 97 vertical.Described location fragment 97 comprises with body sheet 82 and stator 83 butts of binding post 8 two kinds of situations whether selecting lateral support sheet 970 respectively: in the situation that location fragment 97 is selected lateral support sheet 970, entirety and stator 83 butts of location fragment 97, the lateral support sheet 970 on the termination of the other end of location fragment 97 and body sheet 82 butts of binding post 8; And in the situation that location fragment 97 is not selected lateral support sheet 970, the location entirety of fragment 97 and stator 83 butts of binding post 8, body sheet 82 butts of the direct and binding post 8 in the termination of the other end of location fragment 97.The first segmental arc 92 respectively with stator 83 and pedestal 2 on reed installed surface 23 butts, the shape of reed installed surface 23 match with the first segmental arc 92 (conventionally adopt the composite surface being formed by two crossing planes as shown in figure 13, or adopt the face of arc).Install by above-mentioned butt, can limit the movement of clamp reed 9 to lug plate 81, body sheet 82, stator 83 and reed installed surface 23 four directions, in other words, make clamp reed 9 all the time against body sheet 82, stator 83 and reed installed surface 23, but do not affect the strain of clamp reed 9.Should understand, limit clamp reed 9 to other two with the movement of the perpendicular direction of above-mentioned four direction, can have various structures realize, the utility model adopt structure be to see Fig. 6 by the U-shaped sidewall 24(on pedestal 2) and the first horizontal bar 341(moving back on line (30,40,50) see Figure 11) or the second horizontal bar 501(see Figure 12) realization.The location fragment 97 that clamp reed 9 has been shown in Figure 13 respectively with body sheet 82 and stator 83 butts of binding post 8, the first segmental arc 92 respectively with stator 83 and pedestal 2 on reed installed surface 23 butts, sticking department 910 on the termination of the compressed part 940 in the second segmental arc 94 and locking fragment 91 is respectively towards lug plate 81 and form the strain interval 900 of clamp reed 9 between lug plate 81, it is the interval that strain interval 900 is formed away from lug plate 81 by compressed part 940 and sticking department 910, in other words, while insertion by hard wire 10, push compressed part 940 and sticking department 910 and make compressed part 940 and interval that sticking department 910 forms away from lug plate 81 respectively.Strain interval described here is also to be produced by the strain of the locking fragment 91 of clamp reed 9, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96.Form thus following interaction relation: described hard wire 10 inserts described strain interval 900 from wiring hole 20, and be electrically connected to form by the second segmental arc 94 and lug plate 81 elastic clampings in strain interval 900, locked fragment 91 and lug plate 81 elastic clampings are to form mechanical caging simultaneously.
Obtain desirable locking effect for making to lock fragment 91, as shown in Figure 14 to 16, the extended line of described locking fragment 91, intermediate segment 93 and line ball fragment 95 is all less than 90 degree with three corresponding angles A, B, the C of the crossing formation of extended line of lug plate 81 respectively, preferred angular dimension scope is respectively 15 ° to 75 °, and three corresponding angles A, B, the top of the horn sensing of C and the direction of insertion D of hard wire 10 are in the same way.The meaning that three corresponding angles A, B, C are all less than 90 degree is, makes to lock fragment 91, intermediate segment 93 and 95 3 straight line fragments of line ball fragment and can obtain more effective elasticity distortion; Three corresponding angles A, B, the top of the horn sensing of C and the direction of insertion D of hard wire 10 meanings are in the same way, make the effective elasticity that locks fragment 91, intermediate segment 93 and 95 3 straight line fragments of line ball fragment be out of shape stackable.Certainly, corresponding angles A is less than 90 degree the top of the horn to point to the direction of insertion D of hard wire 10 is the necessary condition that meets locking fragment 91 and lock hard wire 10 in the same way.Consider from resultant effect, another meaning that aforesaid three corresponding angles A, B, C are all less than 90 degree is also, it can make the first segmental arc 92, the second segmental arc 94 and the 3rd segmental arc 96 these three arc segment of being connected with locking fragment 91, intermediate segment 93 and line ball fragment 95 respectively also can obtain more effective elasticity distortion, thereby is inserting 4mm
2the situation of hard wire under, make to lock fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 is still in effective regime of elastic deformation, can not produce plastic deformation, particularly be greater than the radius of curvature R 3 of the 3rd segmental arc 96 in the radius of curvature R 2 of the second segmental arc 94 of described clamp reed 9, and the radius of curvature R 2 of the second segmental arc 94 is greater than in radius of curvature R 1 situation of the first segmental arc 92, can make the second segmental arc 94 obtain very large arc length, form the structure of large semicircle, thereby can obtain more effective elasticity distortion.
Referring to Figure 10 and Figure 14 to 16,9 points of two-stage elastic constructions of clamp reed of the present utility model, comprise for locking the gripping mechanism 9a that hard wire 10 can not freely extract and realizing the hold down gag 9b of electrical connection for compressing hard wire 10; Described gripping mechanism 9a comprises locking fragment 91, the first segmental arc 92 and the intermediate segment 93 of elastically deformable, and contacts the sticking department 910 of lock fit with hard wire 10, and sticking department 90 is arranged on the termination of locking fragment 91; Described hold down gag 9b comprises intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 of elastically deformable, and contact the compressed part 940 of compression fit with hard wire 10, compressed part 940 is arranged in the second segmental arc 94, and the gripping mechanism 9a of clamp reed 9 and hold down gag 9b are connected in series and form mutual interlock by intermediate segment 93.Gripping mechanism shown on figure is provided with a right-angle side and snap lock bonding part 910, hold down gag is provided with small one and large one semicircle, centre connects by a plane 93, and gripping mechanism and hold down gag connect into an elastic device by small one and large one semicircle and a middle plane 93.Prior art shown in comparison diagram 1, the effective elasticity deflection of its sticking department is only the strain sum of locking fragment and the first segmental arc, therefore its effective elasticity deflection is minimum, certainly at 4mm
2the access of hard wire time to produce plastic deformation be unavoidable.For gripping mechanism 9a of the present utility model, the effective elasticity deflection of its sticking department 910 is stack result of the effective elasticity deflection of hold down gag 9b and the effective elasticity deflection of gripping mechanism 9a, in other words, the effective elasticity deflection of sticking department 910 is stack summations of the effective elasticity distortion of locking fragment 91, the first segmental arc 92, intermediate segment 93, the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96, therefore, it has enough effective elasticity deflections and holds 4mm
2the access of hard wire, and ensure that locking fragment 91 and the first segmental arc 92 can not produce plastic deformation.For hold down gag 9b, the effective elasticity deflection of its compressed part 940 is stack summations of the effective elasticity distortion of the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96, because the second segmental arc 94 and the 3rd segmental arc 96 all can adopt the structure of large arc length, therefore, they also have enough effective elasticity deflections and hold 4mm
2the access of hard wire, and ensure that the second segmental arc 94, line ball fragment 95, the 3rd segmental arc 96 all can not produce plastic deformation.Though it is little that the effective elasticity of intermediate segment 93 is out of shape the contribution of the effective elasticity deflection to compressed part 940, but due to the first segmental arc 92 respectively with stator 83 and the pedestal 2 of binding post 8 on the structure function of reed installed surface 23 butts, it can provide to compressed part 940 elastic pressure of use.
Because L utmost point binding post is extremely identical with E with N utmost point binding post wiring operating procedure, only taking the wiring operating procedure of E utmost point binding post as example, further illustrate the utility model in conjunction with Figure 12,13,17 and 18 below.
Under state shown in Figure 17 when wiring, directly insert in the wiring hole 20 of pedestal 2 with the hard wire 10 of skinned single core, the sticking department 910 of gripping mechanism 9a and the compressed part 940 of hold down gag 9b that hard wire 10 pushes clamp reed 9, make clamp reed 9 produce strain, until inserting, hard wire 10 puts in place (as shown in figure 18), sticking department 910 and compressed part 940 compress hard wire 10 simultaneously, under the elastic force effect of clamp reed 9, hard wire 10 contacts and forms electrical connection with both sides lug plate 81 automatically, sticking department 910 automatically locks hard wire 10, can complete wiring operation.
Move back line under state shown in Figure 18 time, insert in the corresponding removal hole 200 of pedestal 2 with straight screwdriver 100, straight screwdriver 100 is pushed the E utmost point open and is moved back line 50, the E utmost point moves back line 50 to the 9 direction motions of clamp reed, the locking fragment 91 that the second cambered surface 502 that makes the E utmost point move back line 50 promotes clamp reed 9 moves, so that sticking department 910 separates with hard wire 10, the hard wire 10 of now drawing, until hard wire 10 is extracted completely and is departed from socket, extract again straight screwdriver 100(and return to state shown in Figure 17), can complete wiring operation.
Claims (10)
1. one kind without screw thread connector socket, L utmost point sleeve (3), N utmost point sleeve (4) is fixedly mounted on respectively by cover plate (1) and is fixedly connected with formed inner chamber with pedestal (2) with E utmost point sleeve (5), the L utmost point moves back line (30), the N utmost point moves back line (40) and the E utmost point and moves back line (50) and be arranged on respectively on described pedestal (2), pedestal (2) is provided with penetrating wiring hole (20) and reed installed surface (23), described L utmost point sleeve (3), on N utmost point sleeve (4) and E utmost point sleeve (5), be respectively equipped with the grafting cover that at least one binding post (8) and at least one permission plug insert, multiple clamp reeds (9) are arranged on respectively in each binding post (8), it is characterized in that:
Each binding post (8) comprises end to end lug plate (81), body sheet (82) and the stator (83) that forms door font successively, the wiring hole (20) of the opening of this font on pedestal (2);
Described each clamp reed (9) comprises successively end to end locking fragment (91), the first segmental arc (92), intermediate segment (93), the second segmental arc (94), line ball fragment (95), the 3rd segmental arc (96) and location fragment (97), location fragment (97) wherein respectively with body sheet (82) and stator (83) butt of binding post (8), the first segmental arc (92) respectively with stator (83) and pedestal (2) on reed installed surface (23) butt, the termination of the second segmental arc (94) and locking fragment (91) is respectively towards lug plate (81), and form two strain intervals (900) between they and lug plate (81), to allow hard wire (10) to insert in it from described wiring hole (20), realize hard wire (10) in this strain interval (900) by the second segmental arc (94) and lug plate (81) elastic clamping with in forming electrical connection, described hard wire (10) is locked fragment (91) and lug plate (81) elastic clamping formation mechanical caging also,
Be 15 ° to 75 ° with extended line crossing formed three corresponding angles A, the B of described lug plate (81), the angular range of C respectively by the extended line of described locking fragment (91), intermediate segment (93) and line ball fragment (95), and the sensing of the top of the horn of these three corresponding angles A, B, C all with the direction of insertion D of hard wire (10) in the same way.
2. according to claim 1 without screw thread connector socket, it is characterized in that: the end to end shape that is shaped as the maximum effective elasticity deflection of realizing clamp reed (9) successively of described each clamp reed (9), comprise by locking fragment (91), the first segmental arc (92), intermediate segment (93), the second segmental arc (94) and line ball fragment (95) the S shape forming of joining, with by line ball fragment (95), the 3rd segmental arc (96) with locate fragment (97) the J-shaped of being connected with described S shape of forming of joining.
3. according to claim 1 without screw thread connector socket, it is characterized in that: each side of described cover plate (1) both sides is equipped with elasticity coverboard (11) and limit rib (12), the medial surface of each elasticity coverboard (11) is provided with buckle (111), each side of described pedestal (2) both sides is equipped with draw-in groove (21) and confined planes (22), described buckle (111) can snap in draw-in groove (21) and form cover plate (1) and being fixedly connected with of pedestal (2), described limit rib (12) forms being located by connecting of cover plate (1) and pedestal (2) with confined planes (22) butt simultaneously.
4. according to claim 1 without screw thread connector socket, it is characterized in that: described pedestal (2) is provided with the L gate terminal mounting structure (3 ˊ) of same structure, N gate terminal mounting structure (4 ˊ) and E gate terminal mounting structure (5 ˊ), each terminal installation structure (3 ˊ, 4 ˊ, 5 ˊ) comprise the U-shaped sidewall (24) on the drain pan (27) that is formed on pedestal (2), spacing preiection (25), move back line mounting groove (26), reed installed surface (23) and wiring hole (20), wherein the common formation of the U-shaped sidewall (24) of every utmost point and drain pan (27) can be held the installation location notch of multiple binding posts (8) of homopolarity, the spacing preiection (25) of every utmost point is separated and relocates multiple binding posts (8) of installing in location notch, the first segmental arc (92) butt of the reed installed surface (23) of every utmost point and the clamp reed (9) of homopolarity.
5. according to claim 1 without screw thread connector socket, it is characterized in that:
It is identical with the shape and structure that the N utmost point moves back line (40) that the described L utmost point moves back line (30), they coordinate with two clamp reeds (9) of homopolarity respectively, move back line (30) and the N utmost point move back and on line (40), be equipped with one and prevent that clamp reed (9) first horizontal bar (341) of use, two cambered surfaces (342) that coordinate with two locking fragments (91) respectively and anti-retaining line self first of the use of overturning that tilts from erecting muscle (343) at each L utmost point;
The described E utmost point moves back line (50) and coordinates with two clamp reeds (9) of homopolarity, moves back and on line (50), is provided with one and prevents that clamp reed (9) second of second horizontal bar (501) of use, two the second cambered surfaces (502) that coordinate with two locking fragments (91) respectively and two anti-retaining lines (50) self upset use that tilts from erecting muscle (503) at the E utmost point.
6. according to claim 1 without screw thread connector socket, it is characterized in that:
Described clamp reed (9) comprises for locking the gripping mechanism (9a) that hard wire (10) can not freely extract and realizing the hold down gag (9b) of electrical connection for compressing hard wire (10);
Described gripping mechanism (9a) comprises locking fragment (91), the first segmental arc (92) and the intermediate segment (93) of elastically deformable and is arranged on the sticking department (910) that contacts lock fit on the termination that locks fragment (91) with hard wire (10);
The compressed part (940) that described hold down gag (9b) comprises intermediate segment (93), the second segmental arc (94), line ball fragment (95), the 3rd segmental arc (96) of elastically deformable and is arranged on the second segmental arc (94) above and wire (10) contacts compression fit firmly;
Described gripping mechanism (9a) is connected in series and forms mutual interlock with hold down gag (9b) by intermediate segment (93).
7. according to claim 1 without screw thread connector socket, it is characterized in that: the lug plate (81) of described binding post (8) is provided with the inclined-plane (811) stretching along the direction of insertion of hard wire (10), described pedestal (2) is provided with the anticreep face on corresponding each inclined-plane (811), the shape of cross section in described inclined-plane (811) and the common formation of anticreep face is leg-of-mutton groove, described inclined-plane (811) contacts with the hard wire (10) inserting in this groove respectively with anticreep face, and limit hard wire (10) radial slippage.
8. according to claim 1 without screw thread connector socket, it is characterized in that: on the termination of described location fragment (97), be also provided with the lateral support sheet (970) vertical with this location fragment (97).
9. according to claim 1 without screw thread connector socket; it is characterized in that: described also comprises without screw thread connector socket the pressing plate (6) being arranged in described cover plate (1); and being arranged on the shutter assembly (7) between pressing plate (6) and cover plate (1), described shutter assembly (7) comprises that two insert shutter (71), three slotting shutter (72) and back-moving springs (73).
10. according to claim 1 without screw thread connector socket, it is characterized in that: the radius of curvature (R2) of second segmental arc (94) of described clamp reed (9) is greater than the radius of curvature (R3) of the 3rd segmental arc (96), and the radius of curvature (R2) of the second segmental arc (94) is greater than the radius of curvature (R1) of the first segmental arc (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125963.XU CN203747101U (en) | 2014-03-19 | 2014-03-19 | Screw thread-free wiring socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125963.XU CN203747101U (en) | 2014-03-19 | 2014-03-19 | Screw thread-free wiring socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747101U true CN203747101U (en) | 2014-07-30 |
Family
ID=51346862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125963.XU Expired - Fee Related CN203747101U (en) | 2014-03-19 | 2014-03-19 | Screw thread-free wiring socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574166A (en) * | 2018-05-22 | 2018-09-25 | 温州维创电气有限公司 | Protection against electric shock wall socket |
| CN109361078A (en) * | 2018-10-10 | 2019-02-19 | 宁波公牛电器有限公司 | A kind of wiring construction and switch socket |
-
2014
- 2014-03-19 CN CN201420125963.XU patent/CN203747101U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574166A (en) * | 2018-05-22 | 2018-09-25 | 温州维创电气有限公司 | Protection against electric shock wall socket |
| CN109361078A (en) * | 2018-10-10 | 2019-02-19 | 宁波公牛电器有限公司 | A kind of wiring construction and switch socket |
| CN109361078B (en) * | 2018-10-10 | 2021-02-09 | 宁波公牛电器有限公司 | Wiring structure and switch socket |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20190319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |