CN202678064U

CN202678064U - Electromagnetic coil and frame thereof

Info

Publication number: CN202678064U
Application number: CN2012202714981U
Authority: CN
Inventors: 何永水
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-02
Filing date: 2012-06-02
Publication date: 2013-01-16
Anticipated expiration: 2022-06-02

Abstract

The utility model relates to an electromagnetic coil comprising a frame, loops and pins. The frame is provided with a pair of parallel palate-shaped portions and a winding portion arranged between the palate-shaped portions, the winding portion is used for winding the loops, a retaining portion for mounting the pins are arranged on the lateral sides of one ends of the palate-shaped portions, and the loops are connected on the pins. The retaining portion comprises a plurality of projections and a plurality of grooves, wherein the grooves are arranged between every two adjacent projections, the pins are inserted into through holes of the projections, the end faces of the pins are exposed from the projections, and ends of the loops are wound and welded on the ends of the pins. The pins can be reliably inserted on the frame and keeps a certain insulation intervals, inner and outer ends of the loops can be reliably connected with the pins, automation manufacturing and fixedly soldering of the ends are easily realized. The utility further discloses the frame of the electromagnetic coil, and a retaining portion of the frame comprises continuously disposed projections and grooves.

Description

Solenoid and skeleton thereof

Affiliated technical field

The utility model relates to a kind of solenoid and skeleton thereof, particularly can be applicable to automatic winding is connected energising usefulness contact pin and is connected and connects with welding structure about a kind of.

Background technology

Existing solenoid, it is comprised of skeleton, coiling and contact pin, skeleton has the blade of a sword shape section that pair of parallel arranges, and be arranged between the described blade of a sword shape section and be used for twining the winding section of described coiling, have the maintaining part that contact pin is installed on the side of described blade of a sword shape section one end, coiling is connected on the contact pin.

Figure 13 and Figure 14, Figure 15 are an example of a kind of typical solenoid and skeleton thereof in the prior art.Figure 13 is coiling, the welding rear oblique view of solenoid, and Figure 14 is the oblique view that the solenoid contact pin bends to final finished, the oblique view of the skeleton of Figure 15 solenoid (band contact pin).Coiling 1 is wrapped in the 3a place, winding section of skeleton 3, one end of contact pin 2 is installed in the maintaining part 3b of skeleton 3, after the end that coiling inside and outside the end of a thread of 1 and contact pin 2 are installed in skeleton 3 maintaining part 3b is connected, keep reliably being welded and fixed with soldering, again contact pin is bent to the assembling attitude of joining with external cable.

Yet, solenoid with above-mentioned structure, draw inside and outside the winding the end of a thread and described contact pin end place be connected and the soldering of junction because of the locus reason, can't realize automation or realize that the automation difficulty is very large, now be all artificial manual operations, because the skilled technical ability of its manual operation is correlated with, therefore, its connection reliability is unstable, and production efficiency is not high yet simultaneously, and corresponding cost is higher.

Summary of the invention

The object of the invention is to, a kind of solenoid and skeleton thereof are provided, contact pin is installed and fixing maintaining part by arranging, can make contact pin be inserted into reliably on the skeleton and keep certain insulation gap, and, the inside and outside the end of a thread of coiling can be connected with contact pin reliably, and realizes that easily automated production the end of a thread and soldering fix.

For achieving the above object, solenoid of the present utility model is comprised of skeleton, coiling and contact pin; Skeleton has the blade of a sword shape section that pair of parallel arranges, and is arranged between the described blade of a sword shape section and is used for twining the winding section of described coiling; The side of described blade of a sword shape section one end is provided with the maintaining part that contact pin is installed, and coiling is connected on the contact pin; It is characterized in that: described maintaining part is comprised of several protuberances and several grooves between adjacent two protuberances, described contact pin is inserted in the through hole of described protuberance, the contact pin end face exposes from described protuberance, and described coiling the end of a thread twines and is welded on the termination of described contact pin.Solenoid of the present utility model, its maintaining part that contact pin is installed is because being provided with continuously protuberance and groove, contact pin can be inserted in the through hole of protuberance, so can keep certain insulation gap between each contact pin, thereby also make contact pin can be carried out eaily fixing and keep stable and reliable.And coiling the end of a thread twines and to be connected on the termination of exposing the protuberance contact pin, and short because of the termination of described contact pin, the space is unrestricted, but therefore simple realization coiling the end of a thread solderless wrapped connection automation, and the end of a thread solderless wrapped connection place realizes the automatic infiltration tin welding.

The utility model also provides a kind of skeleton of solenoid, has the blade of a sword shape section of pair of parallel setting and is arranged between the described blade of a sword shape section and is used for twining the winding section of described coiling; Has the maintaining part that described contact pin is installed on the side of described blade of a sword shape section one end; Described maintaining part is comprised of protuberance and the groove of the containing through hole of continuous setting.

In the preferred scheme, be provided with the peristome that is connected with described through hole at protuberance one side's end wall, described contact pin is " L " word shape and is inserted in the described through hole, and an end of described contact pin matches with described peristome.When contact pin is installed in protuberance when inner, the short-axis direction of contact pin partly is inserted in the through hole of protuberance and exposes the protuberance end face, and the long axis direction of contact pin partly exposes outside the peristome that is communicated with described through hole.Therefore, one end of the short-axis direction part of contact pin, can be very easily be connected with the end of a thread of coiling, and so that the winding of contact pin and coiling maintains certain spacing distance, make the coiling the end of a thread that is wrapped in contact pin one end can be easily and implement fast the automatic infiltration tin welding.

In the preferred scheme, described groove is rectangular slot, also can be for inner end be semicircular elongated slot, and well width is greater than the contact pin sectional dimension.

In the preferred scheme, described maintaining part is provided with guidance part near the protuberance place, the end of a thread when being connected with contact pin with guiding coiling the end of a thread is walked line position, and described guidance part comprises the inclined-plane that joins with the blade of a sword shape section of skeleton close maintaining part inner side plane and the guide post in the inclined-plane.

According to such scheme, the utility model has following useful technique effect with respect to existing structure:

One, consisted of as can be known by described, solenoid of the present utility model and skeleton, its maintaining part is comprised of protuberance and the groove of continuous setting, because the contact pin of solenoid is inserted in the through hole of protuberance, coiling is disposed through guidance part, so not only can be relatively easy to make the contact pin location, and coiling also can be relatively easy to carry out distribution.Because coiling can be easy to fixedly be intertwined and connected on the contact pin end, so the coiling of solenoid, weld easy automation, manufacturing cost is lower.

Two, solenoid of the present utility model and skeleton, coiling is staggered from the appropriate location owing to can limit coiling by guidance part, in addition, its coiling is by guidance part and be connected to exposed division one end of described contact pin, can be correct and winding operation that be easy to implement solenoid, and then obtained quality to expand the solenoid that reliability is good and insulating properties is high.

Three, solenoid of the present utility model, contact pin is inserted in the through hole, and it is an end of " L " word shape, owing to expose protuberance end in through hole, and the mode that can adopt very easily the automatic infiltration tin welding the end of a thread that will wind the line is welded on the end of contact pin, has improved rate of finished products.

Description of drawings

The oblique view of a kind of embodiment of the skeleton of Fig. 1 the utility model solenoid (band contact pin);

Fig. 2 is the oblique view that is wound with the solenoid of coiling among Fig. 1;

Fig. 3 is the oblique view of final finished that is wound with the solenoid of coiling among Fig. 1;

Fig. 4 is the vertical view of the skeleton (not with contact pin) seen from arrow R1 direction of Fig. 1;

Fig. 5 is the upward view of the skeleton (not with contact pin) seen from arrow R2 direction of Fig. 1;

Fig. 6 is the partial enlarged drawing of the maintaining part (band contact pin) of the skeleton of Fig. 1;

Fig. 7 oblique view that to be Fig. 6 see from arrow R3 direction and the partial enlarged drawing of contact pin and protuberance;

The partial enlarged drawing of the guidance part of Fig. 8 skeleton that to be Fig. 4 see from arrow R4 direction;

Fig. 9 A～Fig. 9 C is a kind of schematic diagram of contact pin installation method of execution mode;

Figure 10 A～Figure 10 C is the schematic diagram of the contact pin installation method of another kind of execution mode;

Figure 11 is the oblique view that is wound with the solenoid of coiling among Fig. 1;

Figure 12 is the oblique view that Figure 11 sees from arrow R5 direction;

Figure 13 is the oblique view after a kind of typical electrical magnetic coil coiling, the welding in the prior art;

Figure 14 is the oblique view of the crooked final finished of solenoid contact pin shown in Figure 13;

Figure 15 is the oblique view of the skeleton (band contact pin) of solenoid shown in Figure 13.

Embodiment

Below, the embodiment to solenoid of the present utility model describes based on accompanying drawing.

Fig. 1 is the unitary construction oblique view of the skeleton band contact pin of a kind of embodiment solenoid of relating to of expression the utility model.Fig. 2 is the three-dimensional oblique view that is wound with the solenoid of coiling among Fig. 1.Fig. 3 is the three-dimensional oblique view of final finished that is wound with the solenoid of coiling among Fig. 1; It comprises that the skeleton 30, coiling 10 and the contact pin 20 that are formed by resin consist of solenoid, described skeleton 30 is the discoideus blade of a sword shape 30a of section and 30b by a pair of hollow that is parallel to each other and forms, and is provided with between the described blade of a sword shape 30a of section and the 30b for the winding section 31 of twining coiling 10; The maintaining part 32 that is used for installation contact pin 20 on the described blade of a sword shape 30b of section and its side forms as one; And contact pin 20 is not installed on the blade of a sword shape 30a of section, the end of a thread of described coiling 10 partly is wrapped on the described contact pin 20.

Shown in Fig. 4, Fig. 5 (having omitted the contact pin 20 among Fig. 1), described maintaining part 32 is made of a plurality of protuberance 32a on the side of the described blade of a sword shape 30b of section and a plurality of groove 32b; A plurality of protuberance 32a form 3 permutations at grade; The close position of each protuberance 32a arranges described groove 32b.As shown in Figure 5, described groove 32b is the rectangle nick shaped that the end is arranged, and is arranged on the middle place of adjacent protuberance 32a, and its bottom of groove 32b also can be semi-circular shape, and the width of groove is then can greater than the sectional dimension of contact pin 20; Groove 32b and each protuberance 32a space and arrange.Each protuberance 32a is made of the convex shaped part 32a2 of flat part 32a1 and the convex shape that is rectangle, and convex shaped part 32a2 inside is provided with through hole 32a3; Be used for inserting contact pin 20 in the through hole 32a3; Each contact pin 20 is permutation at each convex shaped part 32a2 and inserts state.In addition, in order to make skeleton 30 location, arrange in projection 30a1, the 30b1 embedded hole with the magnetic conductor (without diagram) that is embedded in skeleton 30.

Such as Fig. 6, shown in Figure 7, a plurality of contact pins keep at grade side by side; Through hole 32a3 is connected with the peristome 32a4 that described convex shaped part 32a2 is provided with; Peristome 32a4 is located at the central portion on each convex shaped part 32a2.

Metal for example on the brass contact pin 20 of zinc-plated quadrangular prism shape be " L " word shape, such as Fig. 6, shown in Figure 7, contact pin 20 20a of its short-axis direction section are inserted in the through hole 32a3 of convex shaped part 32a2, and expose among the through hole 32a3, and conduct is " L " word shape contact pin 20 20b of long axis direction section, exposes to be configured in described peristome 32a4 place set on convex shaped part 3,2a2 one end.

As mentioned above, as for the contact pin 20 peace shape method with described protuberance 32a, Fig. 9 A of utilizing Fig. 1 blade of a sword shape 30a of section and 30b to turn upside down～Fig. 9 C is described:

Shown in Fig. 9 A, the 20a of short-axis direction section that makes " L " word shape of described being is inserted in (shown in Fig. 9 B) in the perforation 32a3 by the peristome 32a4 side from the end of convex shaped part 32a2, and make the 20b of long axis direction section distal process go out to be arranged on the peristome 32a4, and the described long axis direction 20b of section is pressed in the described peristome 32a4, is fixed on embedding in the concave shape of peristome 32a4 (shown in Fig. 9 C).

In addition, contact pin 20 installs and fixes with described convex shaped part 32a2's, in addition to the above methods, also can install by following method.

Turn upside down shown in Figure 10 A of arranging～Figure 10 C such as the blade of a sword shape 30a of section, 30b among Fig. 1 identical with Fig. 9 A～Fig. 9 C, for example, form the wire contact pin 20 of four horn shapes with material zinc-plated on the metal, shown in Figure 10 A, the contact pin 20 of described wire inserts in the through hole 32a3 from the other end of convex shaped part 32a2, and makes it expose the peristome 32a4 place that arranges at convex shaped part 32a2; Its described end of exposing is 90 ° of bendings is embedded in the concave shape of described peristome 32a4, thereby form " L " word shape.The line section of its bending is as the 20b end (shown in Figure 10 B) of contact pin 20; Distolateral at relative another of the 20b of described contact pin 20 end, by amputation knife 40 disconnected be cut to suitable length (shown in Figure 10 C) forms give prominence to be arranged on the convex shaped part 32a2 as described in the 20a of short-axis direction section of contact pin.Moreover contact pin 20 is by forming " L " word shape, and can utilize maintaining part 32 to be fixed on the described convex shaped part 32a2.

As mentioned above, the maintaining part 32 of the skeleton 30 that is formed by a plurality of protuberance 32a and a plurality of groove 32b can make fixing that the contact pin 20 that is " L " word shape is more prone to, and can under certain intervals, be fixed on reliably on each convex shaped part 32a2, therefore, each contact pin 20 can be stable be installed on the maintaining part 32, thereby, the solenoid that has obtained to have the stable maintaining part of the contact pin 20 that makes certain intervals configuration.

Next describe, be the structural relation that connects coiling 10 on the contact pin 20 of " L " word shape.

As mentioned above, be inserted among the through hole 32a3 of each convex shaped part 32a2 at contact pin 20, such as Figure 11 and shown in Figure 12, twine and welding 10 the end of a thread of winding the line in the short-axis direction section 20a termination of contact pin 20.

Such as Figure 11, shown in Figure 12, expose in convex shaped part 32a2 end the short-axis direction section 20a termination that is " L " word shape of contact pin 20, and therefore, the end of a thread of coiling 10 is connected to short-axis direction section 20a termination.Such as Figure 11, shown in Figure 12, coiling 10 and being connected of contact pin 20 are to be provided with guidance part and to implement to be intertwined and connected through being arranged on the blade of a sword shape 30b of section medial surface on the skeleton 30.

As mentioned above and see that Figure 11, Figure 12, shown in Figure 8, guidance part comprise that one forms with the blade of a sword shape 30b of section medial surface tapered plane 34 and guide post 33 at angle.During implementation, guide post 33 is the roundlet column, also can be such as other structure shapes such as square grade, and be arranged in the tapered plane 34.Therefore, coiling 10 process guide posts are connected to the short-axis direction section 20a end of contact pin 20 along tapered plane 34, and its welding is implemented by means such as solderings.For example, after the metal (brass) of contact pin 20 is zinc-plated by enforcement, carries out again soldering and connect.And because the short-axis direction section 20a end of contact pin 20, the space is not subjected to other part restrictions or interferes, and therefore, soldering can be easy to realize the weldering of automation wicking.

More than a kind of solenoid provided by the utility model and skeleton thereof are described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, this this improvement and modification also fall in the protection range of claim of the present utility model.

Claims

1. a solenoid is comprised of skeleton (30), coiling (10) and contact pin (20); Skeleton (30) has blade of a sword shape section (30a), (30b) that pair of parallel arranges, and is arranged between the described blade of a sword shape section and is used for twining the winding section (31) of described coiling; The side of described blade of a sword shape section one end is provided with the maintaining part (32) that contact pin is installed, and coiling is connected on the contact pin (10); It is characterized in that: described maintaining part (32) is comprised of several protuberances (32a) and several grooves (32b) between adjacent two protuberances, described contact pin (20) is inserted in the through hole (32a3) of described protuberance (32a), contact pin (20) end face exposes from described protuberance (32a), and described coiling the end of a thread twines and is welded on the termination of described contact pin (20).

2. solenoid as claimed in claim 1, it is characterized in that: be provided with the peristome (32a4) that is connected with described through hole (32a3) on described protuberance (32a) side's the end wall, described contact pin (20) is " L " word shape and is inserted in the described through hole (32a3), and an end of described contact pin matches with described peristome (32a4).

3. solenoid as claimed in claim 1, it is characterized in that: described groove (32b) is rectangular slot, can be semicircular elongated slot for inner end also, and well width is greater than the contact pin sectional dimension.

4. solenoid as claimed in claim 2 or claim 3, it is characterized in that: described maintaining part (32) locates to be provided with guidance part near protuberance (32a), walk line position with guiding coiling (10) the end of a thread with contact pin (20) the end of a thread when being connected, described guidance part comprises the inclined-plane (34) that joins with the blade of a sword shape section (30b) of skeleton (30) close maintaining part (32) inner side plane and the guide post (33) in inclined-plane (34).

5. the skeleton of a solenoid (30) has blade of a sword shape section (30a), (30b) that pair of parallel arranges and is arranged between the described blade of a sword shape section and is used for twining the winding section (31) of described coiling; Has the maintaining part (32) that described contact pin (20) is installed on the side of described blade of a sword shape section one end; It is characterized in that: described maintaining part (32) is comprised of protuberance (32a) and the groove (32b) of the containing through hole (32a3) of continuous setting.

6. the skeleton of solenoid as claimed in claim 5, it is characterized in that: the inside of described protuberance (32a) is provided with through hole (32a3), end wall described protuberance (32a) side is provided with the peristome (32a4) that is connected with described through hole (32a3), and described peristome (32a4) is being communicated with described through hole (32a3).

7. the skeleton of solenoid as claimed in claim 6, it is characterized in that: described groove (32b) is rectangular slot, can be semicircular elongated slot for inner end also, and well width is greater than the contact pin sectional dimension.

8. such as the skeleton of claim 5,6 or 7 described solenoids, it is characterized in that: described maintaining part (32) locates to be provided with guidance part near protuberance (32a), walk line position with guiding coiling (10) the end of a thread with contact pin (20) the end of a thread when being connected, described guidance part comprises the inclined-plane (34) that joins with the blade of a sword shape section (30b) of skeleton (30) close maintaining part (32) inner side plane and the guide post (33) in inclined-plane (34).