CN211524654U - Curtain head - Google Patents

Abstract

The utility model discloses a (window) curtain system head, its technical scheme main points are including shell and slewing mechanism, slewing mechanism is including projection gear, torsional spring, runner ring, a location section of thick bamboo, its characterized in that: the convex column gear comprises a gear base and a convex column which is convexly arranged on the end face of the gear base, the torsional spring is connected to the convex column, the convex column gear sequentially penetrates through a rotating wheel ring and a positioning cylinder, a toothed rail is arranged on the inner wall of the rotating wheel ring, a plurality of fixed rods which are circumferentially arranged along the center of the bottom face of the positioning cylinder are arranged on the bottom face of the positioning cylinder, a planet wheel is rotatably connected on the fixed rods, and the planet wheel is connected between the toothed rail and the gear base through a gear wheel gear to realize gear transmission matching; be equipped with a plurality of mounting groove on the outer peripheral face of runner ring, fixedly connected with possesses elastic protective layer in the mounting groove, still establish the spacing casing that is used for spacingly outside the runner ring including the cover. The utility model discloses have the effect that difficult harm, stability are strong.

Description

Curtain head

Technical Field

The utility model relates to a fittings for curtains field, more specifically it relates to a curtain system head.

Background

The curtain head is an important fitting which can not be cut, the lifting of the curtain is completed through the curtain head, the rolling curtain is mainly driven by the head part of the upper pipe to control the lifting of the rolling curtain, the rolling curtain mechanism is operated by pulling the pull beads to drive the bead wheels to rotate, and the torsion spring in the curtain head drives the shaft wheel and the fabric to rotate along the reel and the support plate to rotate together, so that the rolling curtain fabric moves up and down.

The traditional roller shutter head has the advantages of low stability, easy damage and short service life. When in use, the curtain needs larger pulling force, and is not suitable for heavy-duty roller shutters due to the large pulling force and easy damage.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides a curtain head, which has the effects of difficult damage and strong stability.

In order to achieve the above purpose, the utility model provides a following technical scheme: a curtain head comprises a shell and a rotating mechanism, wherein the rotating mechanism comprises a convex column gear, a torsional spring, a rotating wheel ring and a positioning cylinder, the convex column gear comprises a gear base and a convex column which is convexly arranged on the end surface of the gear base, the torsional spring is connected on the convex column, the convex column gear sequentially penetrates through the rotating wheel ring and the positioning cylinder, a gear rack is arranged on the inner wall of the rotating wheel ring, a plurality of fixed rods which are circumferentially arranged along the center of the bottom surface of the positioning cylinder are arranged on the bottom surface of the positioning cylinder, a planet wheel is rotatably connected on the fixed rods, and the planet wheel gear is connected between the gear rack and the gear base to realize gear transmission matching; be equipped with a plurality of mounting groove on the outer peripheral face of runner ring, fixedly connected with possesses elastic protective layer in the mounting groove, still establish the spacing casing that is used for spacingly outside the runner ring including the cover.

Through adopting above-mentioned technical scheme, setting through a plurality of planet wheels, the drive ratio between the gear has been increased, provide more light and handy feeling, convenient laborsaving effect has been realized, also can be applicable to the (window) curtain that weight is heavier, the mounting groove of setting is used for the fixed pearl that draws the pearl, protective layer in the mounting groove has elasticity simultaneously and can reduce the pulling and draw the ascending atress intensity of pearl in-process runner ring circumferencial direction, wearing and tearing between the adjacent mounting groove of avoiding, the spacing casing of setting will draw the stable fixing of pearl in the mounting groove, the pearl of having avoided drawing skids.

The utility model discloses further set up to: the limiting shell comprises a limiting inner wall matched with the outer circumference of the runner ring and outlet ends formed by extending the two sides of the limiting inner wall, and the outlet ends on the two sides are arranged in a protruding mode towards the middle in an arc mode.

Through adopting above-mentioned technical scheme, the exit end is inside bellied arc setting and can let when drawing the pearl to throw off runner ring mounting groove can deviate from along the inner wall of exit end, when getting into the mounting groove, can be along in the better mounting groove of impressing of the inner wall slant of another exit end, spacing inner wall has prevented simultaneously drawing deviating from of pearl.

The utility model discloses further set up to: the protective layer is including being used for the semicircular parcel portion of positioning section, and the inboard slope in parcel portion both ends extends and forms the clamping part, one side that the clamping part was kept away from the parcel portion is equipped with the rib that is used for strengthening clamping part intensity.

Through adopting above-mentioned technical scheme, can be lived by the fine parcel protection of protective layer when drawing the pearl to fix in the mounting groove, its clamping part further can avoid drawing deviating from of pearl and skidding, and the support wear-resisting effect of clamping part can be strengthened to the support of reinforcing part, further prevents to draw the pearl from roll-off in the mounting groove, avoids drawing the pearl directly to mounting groove lateral wall wearing and tearing simultaneously.

The utility model discloses further set up to: the protective layer is made of silica gel.

By adopting the technical scheme, the silica gel has better elasticity and friction effect and is convenient to manufacture.

The utility model discloses further set up to: the limiting shell is made of transparent plastic.

By adopting the technical scheme, the hardness is suitable, and meanwhile, the condition that the bead is pulled inside can be conveniently observed.

The utility model discloses further set up to: the convex column and the gear base are integrally manufactured.

Through adopting above-mentioned technical scheme, such gear projection structural strength is better, and is not fragile.

To sum up, the utility model discloses following beneficial effect has: through the setting of a plurality of planet wheels, the drive ratio between the gear has been increased, provide more light and handy feeling, convenient laborsaving effect has been realized, also can be applicable to the heavier (window) curtain of weight, the mounting groove of setting is used for the fixed pearl that draws the pearl, protective layer in the mounting groove has elasticity simultaneously and can reduce the pulling and draw the ascending atress intensity of pearl in-process transfer wheel ring circumferencial direction, wearing and tearing between the adjacent mounting groove of avoiding, spacing casing that the cooperation set up simultaneously will draw the pearl stable fixing in the mounting groove, the pearl of having avoided drawing skids.

Drawings

FIG. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is a schematic view of the structure of the rotor ring of the present embodiment;

FIG. 4 is a schematic structural diagram of the limiting housing of the present embodiment;

fig. 5 is a schematic diagram of the protective layer structure of the present embodiment.

Reference numerals: 1. a housing; 2. a convex-column gear; 21. a gear base; 22. a convex column; 3. a torsion spring; 4. a runner ring; 41. a rack rail; 5. a positioning cylinder; 51. fixing the rod; 52. a planet wheel; 6. mounting grooves; 61. a protective layer; 611. a wrapping section; 612. a clamping portion; 7. a limiting shell; 71. a limiting inner wall; 72. and (4) an outlet end.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a curtain head, as shown in fig. 1-5, comprising a housing 1 and a rotating mechanism, wherein the rotating mechanism comprises a convex column gear 2, a torsion spring 3, a rotating wheel ring 4 and a positioning cylinder 5, the convex column gear 2 comprises a gear base 21 and a convex column 22 which is integrated with the gear base 21 and is convexly arranged on the end surface of the gear base 21, the torsion spring 3 is connected on the convex column 22, the convex column gear 2 sequentially passes through the rotating wheel ring 4 and the positioning cylinder 5, a rack 41 is arranged on the inner wall of the rotating wheel ring 4, a plurality of fixing rods 51 which are circumferentially arranged along the center of the bottom surface of the positioning cylinder 5 are arranged on the bottom surface of the positioning cylinder 5, a planet wheel 52 is rotatably inserted on the fixing rods 51, and the planet wheel 52 is in gear connection between the rack 41 and the gear base 21 to realize gear transmission fit; be equipped with a plurality of mounting groove 6 on the outer circumferential surface of runner ring 4, 6 internal fixation of mounting groove is stained with and has connect silica gel to make and possess elastic protective layer 61, still establish the spacing casing 7 that is used for spacingly outside runner ring 4 including the cover, and spacing casing 7 is made by transparent plastic.

The limiting shell 7 comprises a limiting inner wall 71 matched with the outer circumference of the runner ring 4 and outlet ends 72 formed by extending two sides of the limiting inner wall 71, and the outlet ends 72 on the two sides are arranged in a protruding mode towards the middle in an arc mode.

The protective layer 61 comprises a wrapping part 611 with a semicircular positioning section, two ends of the wrapping part 611 extend inwards in an inclined manner to form a clamping part 612, and a reinforcing part 613 integrally formed for reinforcing the strength of the clamping part 612 is arranged on one side of the clamping part 612 away from the wrapping part 611.

In the actual use process, the pulling bead is pulled, through the arrangement of the plurality of planet wheels 52, the plurality of planet wheels 52 are in gear transmission between the gear base 21 and the rack 41, the transmission ratio between the gears is increased by the plurality of tiny planet wheels 52, a lighter hand feeling is provided, the convenient and labor-saving effect is realized, the curtain is also suitable for the curtain with heavier weight, the arranged installation groove 6 is used for fixing the bead of the pulling bead, meanwhile, the protective layer 61 in the installation groove 6 is elastically fixed on the surface of the installation groove 6, the stress intensity when the installation groove 6 of the pulley ring 4 rotates in the circumferential direction in the pulling bead process can be reduced, the abrasion between the adjacent installation grooves 6 is avoided, meanwhile, the protective layer 61 can be arranged to ensure that the bead of the pulling bead is well wrapped and protected by the wrapping part 611 of the protective layer 61 when the pulling bead is fixed in the installation groove 6, the clamping part 612 further clamps the pulling bead to avoid the shaking of, the spacing casing 7 that the cooperation set up will draw the stable fixing of pearl in mounting groove 6, has avoided drawing the pearl and has skidded. Meanwhile, the supporting and wear-resisting functions of the clamping portion 612 can be enhanced by the support of the reinforcing portion 613, so that the pull beads are further prevented from sliding out of the mounting groove 6, and the abrasion of the pull beads on the side wall of the mounting groove 6 is avoided.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a (window) curtain system head, is including shell (1) and slewing mechanism, slewing mechanism is including projection gear (2), torsional spring (3), runner ring (4), a location section of thick bamboo (5), its characterized in that: the convex column gear (2) comprises a gear base (21) and convex columns (22) which are convexly arranged on the end faces of the gear base (21), the torsion spring (3) is connected to the convex columns (22), the convex column gear (2) sequentially penetrates through a rotating wheel ring (4) and a positioning cylinder (5), gear tracks (41) are arranged on the inner wall of the rotating wheel ring (4), a plurality of fixing rods (51) which are circumferentially arranged along the center of the bottom face of the positioning cylinder (5) are arranged on the bottom face of the positioning cylinder (5), planetary wheels (52) are rotatably connected to the fixing rods (51), and the planetary wheels (52) are connected between the gear tracks (41) and the gear base (21) in a gear transmission mode; be equipped with a plurality of mounting groove (6) on the outer circumferential surface of runner ring (4), fixedly connected with possesses elastic protective layer (61) in mounting groove (6), still establishes at runner ring (4) external spacing casing (7) that is used for spacingly including the cover.

2. A window covering head as defined in claim 1, wherein: the limiting shell (7) comprises a limiting inner wall (71) matched with the outer circumference of the rotating wheel ring (4) and outlet ends (72) formed by extending two sides of the limiting inner wall (71), and the outlet ends (72) on the two sides are arranged in a protruding mode towards the middle in an arc mode.

3. A window covering head as defined in claim 2, wherein: the protective layer (61) comprises a wrapping part (611) with a semicircular cross section for fixing, two ends of the wrapping part (611) extend inwards in an inclined mode to form a clamping part (612), and a reinforcing part (613) used for reinforcing the strength of the clamping part (612) is arranged on one side, away from the wrapping part (611), of the clamping part (612).

4. A blind headpiece according to claim 3, wherein: the protective layer (61) is made of silica gel.

5. A blind headpiece according to claim 4, wherein: the limiting shell (7) is made of transparent plastic.

6. A blind headpiece according to claim 5, wherein: the convex column (22) and the gear base (21) are integrally manufactured.

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