CN201173257Y

CN201173257Y - Electromagnetic clutch structure improvement

Info

Publication number: CN201173257Y
Application number: CNU200820054723XU
Authority: CN
Inventors: 蔡春长; 高尚谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-15
Filing date: 2008-01-15
Publication date: 2008-12-31
Anticipated expiration: 2018-01-15

Abstract

The utility model relates to an improved electromagnetic clutch structure, which is composed of a magnetic field component, a rotating shaft, an armature metal ring and a driving gear. The magnetic field component comprises a perforated magnetic casing body with an inner convex ring edge in the center, a spool outside which a coil is wound and which is installed on the inner convex ring edge of the casing body and a cover body riveted at the tail end of the casing body to ensure the spool to be fixedly arranged, wherein, a rotating disc made of metal is embedded on the rotating shaft and penetrates into the spool of the magnetic field component to ensure that the rotating disc is positioned on the end surface of the inner convex ring edge of the casing body, a torsion spring is sleeved and lined at the inner part of the armature metal ring and movably sleeved onto a convex shaft at the front end part of the driving gear, and the armature metal ring and the convex shaft can be simultaneously moved because of the embedded connection of both end parts of the torsion spring and installed on the rotating shaft so that the armature metal ring is ensured to be arranged between the rotating disc and the driving gear to generate the clutching action and to form the electromagnetic clutch.

Description

The magnetic clutch structure improves

Technical field

The utility model is that relevant a kind of magnetic clutch structure improves design, especially refer to a kind ofly utilize the excitatory effect of magnetic and produce the die clutch construction of clutch action, and form the improvement design of internal projecting ring edge through punching press by the magnetic housing, to simplify composed component and detection, assembling procedure, can reduce the advantage of manufacturing cost.

Background technique

Press, magnetic clutch structure commonly used as shown in Figure 1, be to establish a perforation a2 in chase a1 centre punch, and section of rivet clasp generally is the annular fixed iron core a3 of ㄒ shape in this perforation a2, in chase and a sheathed outside be arranged with the bobbin a4 of field coil, in addition in the terminal riveted one lid a5 of chase a1, it is inner and can not deviate to make this bobbin a4 be fixedly arranged on chase a1, with upper part to constitute a magnetic field member a.One hollow shaft b, half section last fixing before axostylus axostyle is combined with a metal ring plate b1, hollow shaft b overlaps on the shaft end that penetrates out fixed iron core a3 and is lined with pad b2, and this traversing through end outer rim is provided with a ring groove b3, and is inserted in a C type ring b4 card in ring groove b3 again and establishes fixing; Also cover is lined with pad b2 between fixed iron core a3 and metal ring plate b1, make this pad b2 lining avoid both mutual friction mutually between between metal ring plate b1 and fixed iron core a3, and be inserted in the above-mentioned magnetic field member a, the hollow shaft b second half section is provided with a movable iron hoop c and is arranged with a torque spring c1 in ring, and pivot bush unit is on driving component d, and the connection that is embedded by this torque spring c1 two ends, make movable iron hoop c and driving component d rotate synchronously, and with torque spring c1, movable iron hoop c and driving component d are placed on hollow shaft b, make movable iron hoop c be close to metal ring plate b1 side and install, by this to constitute magnetic clutch structure.

When electric current flows into the field coil of the outside institute of bobbin a4 winding, this magnetic field member a conducts to the metal ring plate b1 of hollow shaft b and produces excitation effect along chase a1, fixed iron core a3, and make movable iron hoop c be subjected to magnetic force influence by magnetic and absorption be fixed on the metal ring plate b1 side, cause hollow shaft b to be subjected to the drive of driving component d indirectly and produce synchronous rotation, and then power transmission is exported to being incorporated into the tprque convertor axle e in the hollow shaft d cavity.Opposite, its magnetic also disappears when the power supply supply stops, and the attraction that movable iron hoop c then breaks away from metal ring plate b1 stops hollow shaft d and is not subjected to driving component d drive and rotates.

In this way, though this structure can form the effect of a clutch, it is more that it forms member, and assembling procedure is comparatively numerous and diverse time-consuming, therefore makes integral article need expend more procedure on making, so that its cost of production is higher when producing in a large number.

In view of this, the inventor is think of, the design team's system of grinding with great concentration at the shortcoming that said structure haves much room for improvement, and the phase can effectively be improved above-mentioned shortcoming, to reduce the cost of manufacturing, desires to grind the invention motivation of wound for the utility model.

Summary of the invention

Main purpose of the present utility model is to provide a kind of magnetic clutch structure to improve, and the assembled component of product is simplified, and is easier to assemble and promotes the output of work limitation and product.

Another purpose of the present utility model is to provide a kind of magnetic clutch, makes its member comparatively easy in making, detecting on the operation, and promotes speed of production to reduce the manufacture cost of its product.

For reaching above-mentioned purpose, the magnetic clutch that the utility model is set, for comprising a magnetic field member, one rotating shaft, an one armature metal ring and an actuation gear constitute, wherein this magnetic field member is for being had the magnetic housing of the perforation of internal projecting ring edge by central authorities, and outside be arranged with coil and be installed in bobbin on the housing internal projecting ring edge, with be riveting in the lid that shell end sets firmly bobbin and form, and this rotating shaft is provided with an axis hole in the place, axle center, and an end of this axis hole is provided with the moment of torsion portion of a milling flat, be provided with a ring chase in moment of torsion portion outer rim, be installed with the rotating disk of a metal matter system in addition in ring chase rear, and it is placed through in the bobbin of magnetic field member, make rotating disk be disposed at housing internal projecting ring edge end, and make the ring chase end of rotating shaft pass outside the housing, an and sheathed pad and set the position by C type ring card again, this armature metal ring serves as a contrast a torque spring in internal sleeve, and pivot bush unit is on the protruding axle of actuation gear front end, and the connection that is embedded by torque spring two ends, make armature metal ring and actuation gear can produce with moving, and it is installed in the rotating shaft, this armature metal ring is arranged between rotating disk and actuation gear produces clutch action, to constitute a magnetic clutch.By this, can make the member of assembling and manufacturing, detect simplifying of operation, and promote the output of work limitation and product, can reduce the cost of the manufacturing simultaneously.

The beneficial effects of the utility model, be to provide a kind of magnetic clutch structure to improve design, be provided with a perforation by the magnetic housing in centre, and this perforation periphery has the internal projecting ring edge for forming via punch process, to reach the reducing the number of of member that makes product, be easy to assembling and promote work limitation, more make member comparatively easy, and promote speed of production to reduce the manufacture cost of its product in making, detecting on the operation.

Other characteristics of the present utility model and specific embodiment can further be understood in the detailed description of following conjunction with figs..

Description of drawings

Fig. 1 is magnetic clutch structure cutaway view commonly used

Fig. 2 is a structure decomposing schematic representation of the present utility model.

Fig. 3 is the stereo appearance figure after the utility model combination.

Fig. 4 is the cross section view after the utility model combination.

Fig. 5 produces the local structure enlarged diagram of magnetic when excitatory for the utility model.

The local structure enlarged diagram of Fig. 6 when to be that the utility model magnetic is excitatory disappear.

Embodiment

Please join Fig. 2 ~ shown in Figure 4, the utility model is provided with magnetic field member 10, rotating shaft 20, armature metal ring 30 and actuation gear 40 and constitutes.

This magnetic field member 10 wherein, be the magnetic housing 11 that includes a metal matter system, a bobbin 12 and the lid 13 that central authorities have cavity, and this magnetic housing 11 is provided with a perforation 111 in centre, and these perforation 111 peripheries have internal projecting ring edge 112 for forming via punch process, this bobbin 12 is arranged with coil 121 in the depression water jacket, and the central cavity front-end edge is provided with blocked part 122, and be sheathed on the internal projecting ring edge 112 of magnetic housing 11, a lid 13 is provided with a through hole 131 and is riveting in magnetic housing 11 ends in centre and makes bobbin 12 fixing.

This rotating shaft 20, for being made in the place, axle center, plastics matter is provided with an axis hole 21, be provided with the moment of torsion portion 22 of a milling flat in axis hole 21 1 sides, this moment of torsion portion 22 can provide the tprque convertor axle that installed (ginseng accompanying drawing 1) chimeric mutually and produce interlock, be provided with ring chase 23 in moment of torsion portion 22 outer rims in addition, the square bar section is provided with the bigger large-diameter portion of diameter 24 behind the ring chase, and be provided with draw-in groove 25 in this large-diameter portion 24, can provide rotating disk 27 cards of the metal matter system that place, an axle center also is provided with corresponding embedding hole 26 to establish fixing.

This armature metal ring 30 is provided with a plurality of projections 31 in front-end edge, and is provided with groove 32 in front-end edge one lateral margin, overlaps in addition to be lined with a torque spring 33 in armature metal ring 30 in, and an end of torque spring 33 is embedded is fixed in this groove 32.

This actuation gear 40, the place is provided with a pivot hole 41 in the axle center, and convexes with a protruding axle 42 in front-end face, and is provided with a caulking groove 43 in these protruding axle 42 lateral margins.

When assembling, can be extremely fast and in easy bobbin 12 cavitys that rotating shaft 20 are arranged in magnetic field member 10 and rotate, and make ring chase 23 ends of rotating shaft 20 pass outside the housing, an and sheathed pad 50 and be arranged in ring chase 23 places by C type ring 51 and fix, make the rotating disk 27 of this rotating shaft 20 be disposed at magnetic housing 11 internal projecting ring edge 112 ends, and utilize the blocked part 122 of bobbin 12, make this metal matter system rotating disk 27 and magnetic housing 11 internal projecting ring edge 112 ends produce the gap, to avoid producing mutually friction between the two, can reduce the setting of pad by this, in addition armature metal ring 30 movable sheaths are placed on the protruding axle 42 of actuation gear 40 front ends, and torque spring 33 ends that will be arranged in the armature metal ring 30 are embedded in the caulking groove 43 of protruding axle 42, make this armature metal ring 30 and actuation gear 42 both can produce synchronous rotation, and with above assembly apparatus in above-mentioned rotating shaft 20, make this armature metal ring 30 be arranged at metal

rotary disk

27 and 40 generations of actuation gear clutch action, improve to finish magnetic clutch structure.

Because the magnetic housing 11 of this magnetic field member 10, be perforation 111 through the integrally formed tool internal projecting ring of punch process edge 112, can replace the setting (ginseng accompanying drawing 1) of fixed iron core commonly used, so need not again in addition via turner technology car system one fixed iron core, the assembled component of product is simplified, and reach the convenience that is easy to assemble, and also can reduce inspection process product members, not only can promote the output of work limitation and product, and can reduce the cost of its manufacturing simultaneously.

Please join Fig. 5～shown in Figure 6, magnetic clutch of the present utility model is when the magnetic coil 121 in the electric current inflow magnetic field member 10, this magnetic field member 10 will conduct to the rotating disk 27 of the metal matter system that is fixedly arranged in the rotating shaft 20 along the internal projecting ring edge 112 of magnetic housing 11, make this rotating disk 27 and then produce the magnetic excitation effect, and this armature metal ring 30 is influenced by magnetic force and be attracted and be contacted with on the rotating disk 27 (ginseng accompanying drawing 5), make rotating shaft 20 be subjected to the drive of actuation gear 40 indirectly and produce synchronous rotation, so make power transmission to tprque convertor axle (figure does not look out) and then the outputting rotary power in combined rotating shaft 20 these axis holes 21.Opposite, when the power supply supply discontinuity, then the magnetic excitation effect also disappears, and armature metal ring 30 is not attracted by rotating disk 27 then and breaks away from (ginseng accompanying drawing 6), and 20 of rotating shafts this moment stop and no longer being activated gear 40 and driving and rotate.

In sum, the utility model can reach the intended purposes of model utility really, provide a kind of assembled component of product that makes to simplify, and reach the convenience that is easy to assemble, and also can reduce the processing and detection operation of its member, can promote the output of work limitation and product, can reduce the cost of the manufacturing simultaneously, have use value undoubtedly.

Above-described, only be preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this; So, allly change and modification according to this case claim and patent specification simple equivalent that content is done, all should still belong in the scope that this case patent contains.

Claims

1. a magnetic clutch structure improves, mainly being provided with a magnetic field member, a rotating shaft, an armature metal ring and an actuation gear constitutes, it is characterized in that: this magnetic field member comprises the magnetic housing by a metal matter system, the perforation of tool internal projecting ring edge is set in housing central authorities, one outside is arranged with the bobbin that coil and central authorities have a cavity and is installed on the housing internal projecting ring edge, and a center tool through hole and be riveting in the lid that shell end sets firmly bobbin and form; This rotating shaft is provided with an axis hole in the place, axle center, and an end of axis hole is provided with the moment of torsion portion of a milling flat, be provided with a ring chase in moment of torsion portion outer rim, be installed with the rotating disk of a metal matter system in addition in ring chase rear, and it is placed through in the bobbin of magnetic field member, make rotating disk be disposed at housing internal projecting ring edge end, and make the ring chase end of rotating shaft pass outside the housing, and a sheathed pad and establishing by C type ring card; This armature metal ring is provided with groove in the front end lateral margin, and cover is lined with a torque spring in this ring in addition, and an end of torque spring is embedded in the groove of this armature metal ring; This actuation gear is provided with a pivot hole in the place, axle center, and convex with the protruding axle of a lateral margin tool caulking groove in front-end face, and with above-mentioned armature metal ring pivot bush unit on this protruding axle, and make the torque spring end built-in in the set caulking groove of protruding axle lateral margin, and it is installed in the rotating shaft, make this armature metal ring be arranged at the rotating disk side, improve to constitute magnetic clutch structure.

2. a kind of magnetic clutch structure as claimed in claim 1 improves, and it is characterized in that: wherein this rotating shaft axostylus axostyle is provided with the large-diameter portion of a tool draw-in groove, and the disk axes place of metal matter system also is provided with corresponding embedding hole, and its build-in is located in rotating shaft.

3. a kind of magnetic clutch structure as claimed in claim 1 improves, it is characterized in that: wherein the bobbin cavity one end inner edge of this magnetic field member is provided with a blocked part, make the metal matter system rotating disk and the magnetic housing internal projecting ring acies portion of rotating shaft produce the gap, to avoid producing mutually friction.

4. a kind of magnetic clutch structure as claimed in claim 1 improves, and it is characterized in that: wherein this armature metal ring is provided with a plurality of projections in front-end face.