CN207124093U - Coil brace - Google Patents

Abstract

The utility model, which provides a kind of coil brace, includes stitch and plastic body, and stitch includes inserting section and free segment and the limiting section between inserting section and free segment, limiting section are wrapped in plastic body.Coil brace provided by the utility model has by ensureing the advantages of stitch can be fastened on plastic body without being come off from plastic body being provided with limiting section on stitch.

Description

Coil brace

【Technical field】

Electronic components field is the utility model is related to, more particularly to a kind of coil brace.

【Background technology】

Coil brace is commonly employed in electronic applications such as automobile instrument, radio communication, Aero-Space, coil brace Stitch and the plastic body being packaged to stitch are generally included, the stitch of existing coil brace is to be plugged in plastic cement by hand On body, then plastic body is subjected to pressing fixation to stitch, the stitch of the set-up mode is fixed unstable, easily causes stitch Come off.

【The content of the invention】

Unstable to overcome above-mentioned traditional coil brace stitch to fix, the problem of stitch easily comes off, the utility model carries For a kind of coil brace.

The technical scheme of solution above-mentioned technical problem, which is to provide a kind of coil brace, includes stitch and plastic body, the pin Pin includes inserting section and free segment and the limiting section between inserting section and free segment, the limiting section are wrapped in plastic cement sheet In body.

Preferably, the limiting section is V-type bending shape either gate shape or arcuate shape or semicircular in shape.

Preferably, the plastic body includes the first parcel, the second parcel and winding section, and the two of the winding section End connects with the first parcel and the second parcel respectively, and the winding section and the first parcel and the second parcel are in H Type is set.

Preferably, the stitch is two, and the limiting sections of two stitch is wrapped in the first parcel and the respectively In two parcels, two stitch are set in parallel and are vertical setting with winding section.

Preferably, the stitch is provided with friction portion on the surface of its inserting section.

Preferably, the friction portion is embossing either raised or step.

Preferably, end set of the inserting section of the stitch away from plastic body has plug division, and the plug division is more leaned on The profile of nearly its formation of its end points away from plastic body is smaller.

Preferably, the plug division is arcuate shape either semicircular in shape or angular shape.

Coil brace provided by the utility model has the advantages that：

1st, the coil brace provided includes stitch and plastic body, and stitch includes inserting section and free segment and positioned at grafting Limiting section between section and free segment, limiting section are wrapped in plastic body.Ensure stitch due to being provided with limiting section on stitch It can be fastened on plastic body without being come off from plastic body.

2nd, stitch is provided with friction portion on the surface of its inserting section, and friction portion can increase the frictional force of grafting section surface, So that inserting section is plugged on before pcb board is welded and fixed, firm work can be played by the frictional force of grafting section surface With without arbitrarily sliding or coming off on pcb board, and friction portion can be additionally used in the both ends of wire rod and increase when being wound on stitch The frictional force of stitch and wire rod, wire rod will not come off from stitch before ensureing wire rod and stitch progress soldering fixation.

3rd, end set of the stitch inserting section away from plastic body has a plug division, and it is formed closer to its end points for plug division Profile is smaller, and the grafting that can be convenient to stitch of the design method, stitch is less likely to occur to bend during grafting.

【Brief description of the drawings】

Fig. 1 be the utility model first embodiment provide coil brace dimensional structure diagram, it include stitch with Plastic body.

Fig. 2 is the dimensional structure diagram of the stitch shown in Fig. 1.

Fig. 3 is the enlarged diagram at H shown in Fig. 2.

Fig. 4 is the module figure for the coil brace shaped device that the utility model second embodiment provides, and it includes Wire-feeding machine Structure and shaping mechanism, shaping mechanism include punching mechanism, shut-off mechanism, injecting mechanism and detent mechanism.

Fig. 5 is the dimensional structure diagram of the shaping mechanism shown in Fig. 4.

Fig. 6 is the stereochemical structure exploded perspective view of the punching mechanism shown in Fig. 4, and it includes wiring board, the first mould And second mould.

Fig. 7 is enlarged diagram at A in Fig. 6.

Fig. 8 is the stereochemical structure exploded perspective view of the shut-off mechanism shown in Fig. 4, and it includes die holder and cutter.

Fig. 9 is enlarged diagram at B in Fig. 8.

Figure 10 is the dimensional structure diagram of cutter shown in Fig. 8.

Figure 11 is the first mould, the second mould, die holder and the wiring board of the utility model second embodiment Cooperation schematic diagram.

Figure 12 is the first mould, the second mould, die holder and the wiring board of the utility model second embodiment Exploded perspective view.

Figure 13 is enlarged diagram at C in Figure 12.

Figure 14 is the stereochemical structure exploded perspective view of the injecting mechanism shown in Fig. 4, and it includes upper die and lower die.

Another view stereo structural representation of upper mould shown in Figure 15 Figure 14.

Figure 16 is enlarged diagram at D in Figure 14.

Figure 17 is the stereoscopic mechanism signal of the first mould of the utility model second embodiment, die holder and lower mould Figure.

Figure 18 is enlarged diagram at G in Figure 17.

Figure 19 is the solid of the punching mechanism of the utility model second embodiment, shut-off mechanism, lower mould and detent mechanism Structural representation.

【Embodiment】

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further described.It should be appreciated that specific embodiment described herein is only explaining this reality With new, it is not used to limit the utility model.

Fig. 1-Fig. 2 is referred to, first embodiment of the present utility model provides a kind of coil brace 10, the coil brace 10 include stitch 11 and plastic body 12.The plastic body 12 include the first parcel 121, the second parcel 122 and around Line portion 123, the both ends of the winding section 123 connect with the first parcel 121 and the second parcel 122 respectively, after connection around The parcel 121 of line portion 123 and first and the second parcel 122 are set in H types.

The stitch 11 is two, and two stitch 11 are partially retained in the first parcel 121 and the second bag respectively Wrap up in portion 122, after parcel, two stitch 11 are set in parallel and are vertical setting with the winding section 123.Make line During circle, wire rod is wound on winding section 123, and the both ends of wire rod are respectively fixed on two stitch 11.It is each described Stitch 11 is substantially in strip, and it includes inserting section 112 and free segment 113 and between inserting section 112 and free segment 113 Limiting section 111, the limiting section 111 is encapsulated in the parcel 122 of the first parcel 121/ second of plastic body 12 to protect Card stitch 11 is fastened on plastic body 12 without being come off from plastic body 12.The shape of the limiting section 111 can be but The bending shape of V-type is not limited to, such as can also be gate shape either arcuate shape or semicircular in shape, as long as spacing Portion 111 can ensure that stitch 11 can be fastened in plastic body 12 and not fall off.

Referring to Fig. 3, the stitch 11 is provided with friction portion 114, the friction portion 114 on the surface of its inserting section 112 For increasing the frictional force on the surface of inserting section 112 so that inserting section 112 is plugged on before pcb board is welded and fixed, Ke Yitong The frictional force for crossing the surface of inserting section 112 plays firm effect, without arbitrarily sliding or coming off on pcb board.Further, The friction portion 114 can be additionally used in the both ends frictional force of increase stitch 11 and wire rod, guarantee when being wound on stitch 11 of wire rod Wire rod will not come off from stitch 11 before wire rod and stitch 11 carry out soldering fixation.Specifically, the friction portion 118 can be The embossing that the surface of inserting section 112 is set, it will be understood that the friction portion 118 be not limited to embossing or it is raised or Step, as long as the frictional force of first surface 114 and second surface 115 can be increased.

The end set of the inserting section 112 away from plastic body 12 of stitch 11 has plug division 115, the plug division 115 The profile that it is formed closer to its end points is smaller, and end points herein refers to the inserting section 122 of stitch 11 away from plastic body 12 End.Specifically, the shape of the plug division 115 can be arcuate shape, the purpose of the design method is to be convenient to pin The grafting of pin 11, such as facilitate and stitch 11 is plugged on PCV plates, stitch 11 is less likely to occur to bend during grafting. It is appreciated that the plug division 115 of the stitch 11 is not limited to arcuate shape or semicircular in shape shape or pointed shape Shape, as long as facilitating the grafting of stitch 11.

Refer to Fig. 4 and Fig. 5, a kind of coil brace shaped device 20 that second embodiment of the present utility model provides, its For being molded coil brace 10 noted earlier.The coil brace shaped device 20 includes wire agency 20a and shaping mechanism 20b.Wire agency 20a and shaping mechanism 20b separate designs, wire agency 20a are used to transport stitch 11 to shaping mechanism 20b. Shaping mechanism 20b includes punching mechanism 24, shut-off mechanism 25, injecting mechanism 27 and the detent mechanism 29 being wholely set.Punching press Mechanism 24, shut-off mechanism 25 and injecting mechanism 27 are arranged successively inside shaping mechanism 20b according to coil brace moulding process Set, stitch 11 passes through punching mechanism 24, shut-off mechanism 25 and injecting mechanism 27 successively inside shaping mechanism 20b.Stamping machine Structure 24 is used to stamping out the stitch 11 of strip into the shape of the limiting section 111, and shut-off mechanism 25 is by the pin after punch forming Pin 11 is thrust into required length, and injecting mechanism 27 is used for toward plastic body described in the injection molding of limiting section 111 of stitch 11 12 to wrap up the limiting section 111, and detent mechanism 29 is arranged at side of the injecting mechanism 27 away from shut-off mechanism 25, detent mechanism 29 position before punching press, cut-out and injection for stitch 11 to stitch 11 close to one end of injecting mechanism 27, ensure punching Press mechanism 24 can carry out punching press on 11 accurate position of stitch, and it is required to ensure that shut-off mechanism 25 can cut stitch 11 Length and ensure that injecting mechanism 27 can be on 11 accurate position of stitch, namely limiting section 111, carry out injection molding plastic cement Body 12, so as to ensure the quality of product.

Fig. 6 and Fig. 7 are referred to, punching mechanism 24 includes wiring board 241, the first mould 242 and the second shaping mould Tool 243, the substantially plate body of wiring board 241, it includes the first mating surface 2411 being disposed opposite to each other and the second mating surface 2412, First mould 242 also substantially plate body, and almost parallel with wiring board, first mating surface of itself and wiring board 241 2411 coordinate.Second mould 243 is substantially plate-like, and it extends perpendicularly to the bearing of trend of wiring board 241, and this second Second mating surface 2412 of mould 243 and wiring board 241 cooperatively form generally l-shaped namely the second mould 243 with First mould 242 is also substantially vertical L-shaped.Wiring board 241 is provided with parallel each other one in the first mating surface 2411 Drain wire casing 2413, each cabling channel 2413 is a groove.Stitch 11 to be punched is transported by wire agency 20a along technological process Send and be located in cabling channel 2413.The wiring board 241 is matched somebody with somebody in the upper setting of each cabling channel 2413 through wiring board 241 first The punching hole 2414 of the mating surface 2412 of conjunction face 2411 and second, punching hole 2414 connect with cabling channel 2413, multiple punching holes 2414 set in a row on wiring board 241.First mould 242 is provided with one close to the one side of the first mating surface 2411 Individual forming tank 2421, being shaped as forming tank 2421 is reverse V-shaped, and the forming tank 2421 is a groove, the extension side of forming tank 2421 To vertical each other with the bearing of trend of each cabling channel 2413, and the position of forming tank 2421 and the position of punching hole 2414 are relative Should.The forming tank 2421 is not limited to be arranged to V-shaped or other shapes, with specific reference to the stitch of wanted punching press Depending on 11 shape of limiting section 111.Second mould 243 sets shape to have and be molded close to the one side of the second mating surface 2412 The molding part 2431 that groove 2421 matches, the position of each punching hole 2414 is relative in the position of molding part 2431 and wiring board 241 Should, molding part 2431 may pass through punching hole 2414 and forming tank 2421 forms matching.

It should be noted that when punching mechanism 24 carries out punching press to stitch 11, the first mould 242 is covered in wiring board It can play a part of compressing the non punching section of stitch 11 on 241, prevent stitch 11 during punching press, stitch 11 Non punching section stress bounces back, and causes the deformation of stitch 11, is effectively guaranteed the Forming Quality of coil brace 10.Some other In embodiment, hold-down mechanism can be independently arranged the non punching section of stitch 11 is compressed, specifically, hold-down mechanism can be with For two plate bodys of mutual cooperation.

Fig. 8 and Fig. 9 are referred to, after the shut-off mechanism 25 is arranged at punching mechanism 24 according to technological process, it includes Die holder 251 and cutter 252, foregoing first mould 242 include first surface 2422 and second surface 2423, first surface 2422 be the face of the first mating surface 2411 cooperation of the first mould 242 and foregoing wiring board 241, and second surface 2423 is First face of the mould 242 away from first surface 2422.The first surface 2422 of the mould 242 of die holder 251 and first is matched somebody with somebody Close, die holder 251 is also plate-like, and after cooperation, the first mould 242 and die holder 251 are L-shaped, namely die holder 251 and the second one-tenth Pattern tool 243 shares the first mould 242, and die holder 251 and the second mould 243 are almost parallel.Die holder 251 includes the One joint face 2512, the mould 242 of the first joint face 2512 and first are concordant parallel to the one side of forming tank 2421.Institute State die holder 251 and be arranged with several first projections 2511 in parallel on its first joint face 2512, first projection 2511 from Die holder 251 extends to side of the die holder 251 away from the first mould 242 close to the side of the first mould 242.At other In embodiment, first projection 2511 is not necessarily required to extend to the side away from the first mould 242, extension Distance only needs die holder 251 to coordinate cutter 252 to thrust stitch 11, is easy to the making of die holder 251.Described first is raised Shape required for 2511 shape thrusts its rear end with stitch 11 matches.This sentences stitch free end as exemplified by arc, First projection 2511 extends from the first joint face 2512 of die holder 251 toward the direction away from the first joint face 2512, extension Afterwards, the projection in its shape toward F directions in figure is substantially in an arc.It is appreciated that the shape of first projection 2511 is not limited to For arcuate shape, can specifically be arranged as required to.The foregoing joint face 2512 of first mould 242 and die holder 251 first is flat The second projection 2421, the shape of second projection 2421 and position and foregoing first projection 2511 are provided with neat surface Shape and position it is corresponding.

Fig. 8 and Figure 10 are referred to, the cutter 252 is arranged at the side of the second surface 2423 of the first mould 242, Cutter 252 includes an arcwall face 2521, and the shape of the arcwall face 2521 and first projection 2511 and second are raised 2421 shape along F direction projections is consistent, and cutter 252 is raised by the projection of arcwall face 2521 and first 2511 and second 2421 form cooperation, and cutter 252 is cut along the first projection 2511 and the second raised 2421 sliding processes to stitch 11 It is disconnected.

Figure 11-13 is referred to, it is necessary to which explanation, the face that the mould 242 of die holder 251 and first is engaged is die holder 251 the second joint face 2513, die holder 251 offer several grooves 2514 on the second joint face 2513.The groove 2514 number and position and the number of first projection 2511 and position correspond.Die holder 251 and wiring board 241 Fitting is set, and the second joint face 2513 of die holder 251 is concordant with the first mating surface 2411 of wiring board 241.The groove The number of the cabling channel 2413 set on 2514 number and position and foregoing wiring board 241 and position are corresponding, I.e. stitch 11 can be carried out after punching press is completed on wiring board 241 by groove 2514 in the first joint face 2512 of die holder 251 Cut-out.Punching mechanism 24 and shut-off mechanism 25 are integrated setting by the design method so that coil brace shaped device 20 Compact-sized, further, punching press and cut-out twice technique convergence time are short, have shortened the molding time of coil brace 10, have carried High production efficiency.

Figure 14-16 are referred to, the stitch 11 after cutting off is molded into injecting mechanism 27, specifically, the note Molding machine structure 27 includes upper mould 271 and lower mould 272, and the face of lower mould 272 and upper mould 271 docking is provided with the first die cavity 273, upper mould 271 and the docking of lower mould 272 face on be provided with the second die cavity 274, when upper mould 271 and lower mould 272 dock, the He of the first die cavity 273 Second die cavity 274 cooperatively forms the die cavity of forming plastic cement body 12.Injecting hole 275 is provided with upper mould 271, injecting hole 275 connects Logical second die cavity 274, during injection, plastic cement flows into the second die cavity 274 by injecting hole 275.

First die cavity 273 includes stitch portion 2731 and body 2732, the both ends of stitch 11 after the cut-out of foregoing stitch 11 Stitch portion 2731 is arranged at, the limiting section 111 of stitch 11 is arranged at body 2732.The width in stitch portion 2731 is just with receiving The width of stitch 11, during injection, plastic cement flows into body and the limiting section 111 of stitch 11 is wrapped up, and the limiting section of stitch 11 The part at 111 both ends is then to expose.

Figure 17-18 is referred to, it is necessary to explanation, foregoing die holder 251 is provided with the face of the first projection 2511 and described The fitting of lower mould 272 of injecting mechanism 27 is set, and the surface that the lower mould 272 is provided with the first die cavity 273 is the shaping of lower mould 272 Face 2721, the second joint face 2513 that the forming surface 2721 is slightly less than the die holder 251 are set, difference in height H, then stitch 11 exists Shut-off mechanism 25 falls into the first chamber 273 of lower mould 272 and waits to be molded immediately after cutting off.The design method is by the He of shut-off mechanism 25 Injecting mechanism 27 integrates setting so that coil brace shaped device 20 it is compact-sized, further, cut-out and injection two Road technique convergence time is short, has shortened the molding time of coil brace 10, has improved production efficiency.

Also referring to Fig. 1-Figure 19, the detent mechanism 29 can be a plate body, and the detent mechanism 29 is arranged at injection Side of the mechanism 27 away from shut-off mechanism 25.When coil brace 10 is molded, stitch 11 transports through cabling channel by wire agency 20a 2413 and groove 2514 until stitch 11 one end be positioned mechanism 29 withstand completion positioning, now, the first mould 242 is pressed Overlay on wiring board 241, the molding part 2431 on the second mould 243 passes through the mould of forming hole 2414 and first Forming tank 2421 on 242, which forms to coordinate, stamps out described limiting section 111 to stitch 11.Simultaneously or later, cutter 252 is matched somebody with somebody The first raised 2511 pairs of stitch 11 set on matched moulds seat 251 are cut off, and the stitch 11 after cut-out falls into injecting mechanism 27 In first die cavity 273 of lower mould 272, the upper mould 271 of subsequent injecting mechanism 27 and the lower matched moulds of mould 272, note of the plastic cement from upper mould 271 Mole 275 is flowed into the chamber that mould 271 and lower mould 272 are formed, and completes the parcel to the limiting section 111 of stitch 11.Finally upper mould 271 and lower mould 272 mold, thimble (not shown) ejects the coil brace 10 of shaping, that is, complete whole coil brace 10 into Type technique, move in circles uninterrupted production.It is appreciated that the stitch 11 of first cut-out is without limiting section 111, coil The shaping of support 10 can be started at by second.

In the utility model, punching mechanism 24, shut-off mechanism 25 and injecting mechanism 27 be integrally disposed upon coil brace into Inside the shaping mechanism 20b of type device 20, the technique of hardware shaping and injection molding process are also integrally disposed in a dress Put the inside.Specifically, die holder 251 and the fitting of wiring board 241 are set, and the second joint face 2513 and wiring board 241 of die holder 251 The first mating surface 2411 it is concordant, the groove 2514 on cabling channel 2413 and die holder 251 on wiring board 241 is corresponding, stitch 11 complete the completion cut-out at the first joint face 2512 of die holder 251 immediately after punching press, further, mould on wiring board 241 The fitting of lower mould 272 of the first joint face 2512 and injecting mechanism 27 of seat 251 is set, that is, the stitch 11 after cut-out is fallen into Wait to be molded in first die cavity 273 of lower mould 272.The set-up mode is tight by punching mechanism 24, shut-off mechanism 25 and injecting mechanism 27 By setting, the linking of each mechanism is compact, and punching mechanism 24, shut-off mechanism 25 and injecting mechanism 27 integrate design, then line When coil support 10 is molded, without dividing two-stage process to carry out, the molding time of coil brace 10 is shortened, automation company can be carried out Continuous production, improves production efficiency.And the running between each mechanism can realize the linking of short period, it is effectively shortened each The time required to moulding process section, production efficiency is further increased.

Further, due to hardware moulding process and injection molding process is integrally disposed, punching mechanism 24, cut-out are passed through Mechanism 25, injecting mechanism 27 and detent mechanism 29 are reasonably arranged so that the structure of whole-set coil rack forming device 20 is non- It is often compact, effectively reduce the space of the device.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modification made within the principle of utility model, equivalent substitution and improvement etc. should be included in protection model of the present utility model Within enclosing.

Claims (8)

1. A kind of 1. coil brace, it is characterised in that：The coil brace includes stitch and plastic body, and the stitch includes grafting Section and free segment and the limiting section between inserting section and free segment, the limiting section are wrapped in plastic body.
2. 2. coil brace as claimed in claim 1, it is characterised in that：The limiting section is V-type bending shape or gate shape Shape either arcuate shape or semicircular in shape.
3. 3. coil brace as claimed in claim 1, it is characterised in that：The plastic body includes the first parcel, the second bag Portion and winding section are wrapped up in, the both ends of the winding section connect with the first parcel and the second parcel respectively, the winding section Set with the first parcel and the second parcel in H types.
4. 4. coil brace as claimed in claim 3, it is characterised in that：The stitch is two, two stitch it is spacing Portion is wrapped in the first parcel and the second parcel respectively, and two stitch are set in parallel and equal and winding section is in vertical It is straight to set.
5. 5. coil brace as claimed in claim 1, it is characterised in that：The stitch is provided with friction on the surface of its inserting section Portion.
6. 6. coil brace as claimed in claim 5, it is characterised in that：The friction portion is embossing either raised or step.
7. 7. coil brace as claimed in claim 1, it is characterised in that：End of the inserting section of the stitch away from plastic body Plug division is provided with, the plug division profile that it is formed closer to its end points away from plastic body is smaller.
8. 8. coil brace as claimed in claim 7, it is characterised in that：The plug division is arcuate shape or semicircular in shape Or angular shape.