CN203430387U

CN203430387U - Sun-shading curtain

Info

Publication number: CN203430387U
Application number: CN201320414154.6U
Authority: CN
Inventors: 林永清
Original assignee: Macauto Industrial Co Ltd
Current assignee: Macauto Industrial Co Ltd
Priority date: 2012-09-26
Filing date: 2013-07-12
Publication date: 2014-02-12
Anticipated expiration: 2023-07-12
Also published as: DE202013008515U1; KR20140001961U; TWM451418U

Abstract

A sunshade curtain includes: a shell base, a sunshade unit, and a buffer unit. The sunshade unit includes a rolling bar and a curtain. The buffer unit includes a damping seat installed on the shell seat, a damping sleeve rotatably installed in the damping seat, a damping oil filled between the damping seat and the damping sleeve, a pipe rotatably installed on the There is a rotating shaft in the damping sleeve and fixed to the rolling bar, and a torsion spring that is locked in the damping sleeve and abuts against the rotating shaft. When the curtain is unfolded, the rotating shaft does not drive the torsion spring, allowing the scroll bar to rotate quickly. When the curtain is rolled up, the rotating shaft drives the torsion spring, which links the damping sleeve to rotate relative to the damping seat, and is affected by the damping oil. Function, the scroll bar can be rotated slowly to have the effect of slowly rolling up the curtain.

Description

Abat vent

Technical field

The utility model relates to a kind of abat vent, and particularly relating to a kind of side window place and cord that is arranged on automobile can be by the abat vent of automatic rolling.

Background technology

Consult Fig. 1, a kind of existing abat vent 1, comprise: the shell block of a hollow 11, one are installed in rotation in this shell block 11 and the deployable floor-covering roll of scroll bar 12, a slice of hollow is received in the cord 13 of these scroll bar 12 peripheries, a core bar 14 that is fixedly installed in this shell block 11 and stretches into this scroll bar 12, and one be installed on this

scroll bar

12 and 14 of this core bars and give that this scroll bar 12 furls elastic force furl spring 15.

When sunshade is used, this cord 13 is pulled out to this shell block 11 outward, this scroll bar 12 can be driven and with respect to these shell block 11 rotations, make this furl spring 15 and accumulate elastic force simultaneously, until by these cord 13 hook location.And when not sunshade is used, as long as make this cord 13 depart from hook state, this furls spring 15 can discharge elastic force, drives this scroll bar 12 at a terrific speed this cord 13 to be furled into this shell block 11.

The action that above-mentioned scroll bar 12 furls fast, although the sunshade function of harmless this cord 13 furls fast and but can cause member mutually to collide vibrations and easily make a noise, therefore, the exquisiteness of this abat vent 1 is poor, general battle wagon can not adopt.

Summary of the invention

The purpose of this utility model is to provide a kind of can furl cord gentlely, produces the abat vent of vibrations and noise when avoiding furling.

The utility model abat vent, comprise: the shell block of a hollow, an and sunshade unit that is installed on this shell block, this sunshade unit comprises that one can be arranged on rotationally in this shell block and have the scroll bar that furls elastic force around a central axis, and the deployable floor-covering roll of a slice is received in the cord of this scroll bar periphery, this cord can be driven and with respect to this shell block, and at an expanded position stretching out outside this shell block, and one furl furling between position in this shell block and move, this abat vent also comprises a buffer cell, this buffer cell comprises that one is fixedly installed in one end of this shell block and the damping device of hollow, one can be installed in this damping device and the damping sleeve of hollow around this central axis rotationally, filling is between this damping device and this damping sleeve and the damping oil of the drag that can rotate, rotatable earth's axis is located in this damping sleeve and stretches out this damping device and be fixed in the rotating shaft of this scroll bar, an and torsionspring that is sheathed on this rotating shaft periphery, this torsionspring has the fixed end that a clip is fixed on this damping sleeve, and one in contrast to this fixed end and be resisted against the friction side of this rotating shaft, when this cord is furled position and is shifted to this expanded position by this, can drive this scroll bar around this central axis, to rotate along first direction of rotation together with this rotating shaft, now this rotating shaft is ordered about this torsionspring pine expansion and is not driven this torsionspring, also this damping sleeve of interlock does not rotate with respect to this damping device, and when this cord is shifted to this and is furled position by this expanded position, can drive this scroll bar around this central axis, to rotate along second direction of rotation together with this rotating shaft, now this rotating shaft is ordered about the tight bundle of this torsionspring and is driven this torsionspring, this damping sleeve of interlock rotates with respect to this damping device.

Abat vent described in the utility model, the first direction of rotation of the hand of spiral of this torsionspring and this rotating shaft is oppositely, and is in the same way with the second direction of rotation of this rotating shaft.

Abat vent described in the utility model, this buffer cell also comprises at least one oil sealing for preventing that this damping oil from leaking outside.

Abat vent described in the utility model, this damping sleeve has one and is recessed to form in the fixing draw-in groove of fixed end clip of inner peripheral surface and this torsionspring of confession.

Abat vent described in the utility model, this damping sleeve has at least one fluting that is formed at outer peripheral face, and this damping sleeve matches with this damping device and defines an annulus that is communicated with this fluting and holds this damping oil.

Abat vent described in the utility model, the scroll bar of this sunshade unit has a jack that is positioned at one end of contiguous this rotating shaft and is noncircular cross section, and the rotating shaft of this buffer cell has the slotting axial region that a correspondence is plugged in this jack and is noncircular cross section.

Abat vent described in the utility model, the damping device of this buffer cell has a hollow and forms the pedestal of an opening, and the cover plate of the opening of this pedestal of capping.

Abat vent described in the utility model, this sunshade unit also comprises a core bar that is fixedly installed in this shell block and stretches into this scroll bar, and one is sheathed on this core bar periphery and two ends are connected respectively the spring that furls in this scroll bar and this core bar.

The beneficial effects of the utility model are: by the setting of this buffer cell, when furling this cord, can be subject to this damping oil effect, and this scroll bar is slowly rotated, to have the effect that furls at a slow speed this cord.

Accompanying drawing explanation

Fig. 1 is an a kind of partial schematic sectional view of existing abat vent;

Fig. 2 is a partial schematic sectional view of a preferred embodiment of the utility model abat vent, illustrates that a slice cord is positioned at an expanded position;

Fig. 3 is a part of three-dimensional exploded view of this preferred embodiment;

Fig. 4 is that a part for this preferred embodiment is faced cross-sectional schematic, illustrates that a torsionspring is loose expansion state;

Fig. 5 is a part of side-looking cross-sectional schematic of this preferred embodiment;

Fig. 6 is a partial schematic sectional view of similar Fig. 2, illustrates that this cord is positioned at one and furls position; And

Fig. 7 is that a part of similar Fig. 4 is faced cross-sectional schematic, illustrates that this torsionspring is tight pencil state.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is elaborated:

Consult Fig. 2, Fig. 3 and Fig. 4, the preferred embodiment of the utility model abat vent, is for being arranged on the side window (not shown) place of an automobile, and comprises: the shell block of a hollow 2, a sunshade unit 3, and a buffer cell 4.

This shell block 2 comprises that about one connection and top side have the shell 21 of an outlet 211, and is installed on respectively first end cap 22 and second end cap 23 at the two ends of this shell 21.

This sunshade unit 3 comprises that one can be arranged on rotationally the deployable floor-covering roll of scroll bar 31, a slice in the shell 21 of this shell block 2 around a central axis 311 to be received in this scroll bar 31 peripheral and have the cord 32 of an expansion end 321 that is positioned at outside, the edge strip of an expansion end 321 that is installed on this cord 32 33, a core bar 34 that is fixedly installed in the first end cap 22 of this shell block 2 and stretches into this scroll bar 31, and one is sheathed on these core bar 34 peripheries and two ends and is connected respectively and furls spring 35 in this scroll bar 31 and this core bar 34.This scroll bar 31 has a jack 312 that is positioned at one end of contiguous this second end cap 23 and is noncircular cross section.This furls spring 35 and can rotate and reverse along with this scroll bar 31, has the power that furls that this scroll bar 31 furls this cord 32 of giving, and that is to say while not being subject to External Force Acting, and this cord 32 can be furled in this shell block 2 by this scroll bar 31.

This buffer cell 4 comprise one be fixedly installed in the second end cap 23 of this shell block 2 and the damping device of hollow 41, one can be installed on rotationally in this damping device 41 and the damping sleeve 42 of hollow, filling are located in this damping sleeve 42 and stretch out this damping device 41 and be fixed in the rotating shaft 44 of this scroll bar 31, a torsionspring 45 that is sheathed on these rotating shaft 44 peripheries in the damping oil 43 of this

damping device

41 and 42 of this damping sleeves and the drag that can rotate, rotatable earth's axis around this central axis 311, an and oil sealing 46 that is installed on this damping device 41.

This damping device 41 has a hollow and forms the pedestal 412 of an opening 411, and the cover plate 413 of the opening 411 of this pedestal 412 of capping.This damping sleeve 42 is the body of a hollow ring, and has the fluting 421 that two correspondences are formed at outer peripheral face, and a draw-in groove 422 being recessed to form in inner peripheral surface.The damping sleeve 42 of the present embodiment is that partial cut is put down this outer peripheral face and formed described fluting 421, certain described fluting 421 can be also other shape, for example be toward the arc groove shape being recessed, and on implementing, fluting 421 quantity of this damping sleeve 42 also can increase and decrease, and with the present embodiment, are not limited.This damping device 41 matches with this damping sleeve 42 and defines an annulus 47 (seeing Fig. 5) that is communicated with described fluting 421 and holds this damping oil 43.

This rotating shaft 44 is understood along with this scroll bar 31 synchronously rotates, and has the slotting axial region 441 that a correspondence is plugged in this jack 312 and is noncircular cross section, and one is positioned at this damping sleeve 42 and supplies the sheathed shaft sleeve part 442 of this torsionspring 45.This torsionspring 45 extends spirally along a hand of spiral 451 and around this central axis 311, and have the fixed end 452 that a clip is fixed on the draw-in groove 422 of this damping sleeve 42, and one in contrast to this fixed end 452 and be resisted against the friction side 453 of this rotating shaft 44.Because the spacing of 44 of this torsionspring 45 and this rotating shafts is very little, for clear, represent, in figure, amplify spacing between the two.This oil sealing 46 is an O shape ring, can be used for preventing that this damping oil 43 from leaking outside, the oil sealing 46 of the present embodiment is to be installed on 413 of this pedestal 412 and this cover plates, but this buffer cell 4 also can increase the quantity of oil sealing 46 on the implementation, for example can also be 42 of this damping device 41 and this damping sleeves, 41 of this rotating shaft 44 and this damping devices are installed other oil sealing (not shown) in addition, at this, no longer illustrate.

During use, this cord 32 can be driven and with respect to this shell block 2, one as shown in Figure 2 stretch out the expanded position outside this shell block 2, and furling between position in this shell block 2 that furls is as shown in Figure 6 moved.

Wish is by this cord 32 during by the furling position and shift to the expanded position of Fig. 2 of Fig. 6, the direction of hand-held this edge strip 33 of user past this expanded position lifts, this cord 32 is stretched out outside this shell block 2 by this outlet 211, consult Fig. 2, 3, 4, and can drive this scroll bar 31 together with this rotating shaft 44, the hand of spiral 451 along one with this torsionspring 45 is the first reverse direction of rotation 51 (seeing Fig. 5), around this central axis 311, rotate, now this rotating shaft 44 can friction drive the friction side 453 of this torsionspring 45 to rotate against this hand of spiral 451, so that opens outward expansion is loose from this rotating shaft 44 gradually, and be pine with this rotating shaft 44 and join estranged state, and not along with this rotating shaft 44 is rotated, make this rotating shaft 44 in the interior idle running of this damping sleeve 42, not that is to say and can with respect to this damping device 41, rotate by this damping sleeve 42 of interlock, can make these scroll bar 31 fast rotational and launch this cord 32, until by these cord 32 hook location, can make this cord 32 be positioned this expanded position to keep the sun off, and this furls spring 35 and also can accumulate and furl elastic force.

And want to make this cord 32 by the expanded position of Fig. 2 shift to Fig. 6 furl position time, as long as make this cord 32 depart from hook state, this furls spring 35 and can discharge and furl elastic force, consult Fig. 3, 6, 7, can drive this scroll bar 31 along one, to be second direction of rotation 52 (see Fig. 5) in the same way with the hand of spiral 451 of this torsionspring 45 together with this rotating shaft 44, around this central axis 311, rotate, now this rotating shaft 44 can friction drive the friction side 453 of this torsionspring 45 to rotate along this hand of spiral 451, inwardly to tighten gradually this rotating shaft 44 of hoop bundle, and be close-fitting interlocking pattern with this rotating shaft 44, and then can rotate together in company with this rotating shaft 44, this damping sleeve 42 also can be rotated with respect to this damping device 41 by these torsionspring 45 interlocks simultaneously, because the rotation of this damping sleeve 42 can be subject to these damping oil 43 effects, block slack-off, this makes these scroll bar 31 slow circumvolves and furls this cord 32 related, until moving to this, this cord 32 furls position.

From illustrating above, the utility model abat vent is by the design of this buffer cell 4, can by this expanded position, be moved in this process that furls position at this cord 32, provide and furl resistance, allow this cord 32 furl in the mode relaxing, in the time of can avoiding furling because of between member mutually collision produce vibrating noise, therefore the utility model really has and reduces effects such as furling vibrations and noise, and can impel product to promote exquisiteness, be applicable to be arranged on all kinds of automobiles, so really can reach the purpose of this utility model.

Claims

1. A sunshade, comprising: a hollow shell seat, and a sunshade unit installed on the shell seat, the sunshade unit includes a rotatable around a central axis installed in the shell seat and has a retractable An elastic rolling bar, and a curtain that can be rolled up around the rolling bar in an expandable manner, the curtain can be driven relative to the shell seat, in an unfolded position stretched out of the shell seat, and a rolled into the shell seat Move between the retracted positions in the shell seat; it is characterized in that:

The sunshade also includes a buffer unit, which includes a hollow damping seat fixedly installed at one end of the shell seat, a hollow damping sleeve rotatably installed in the damping seat around the central axis, a Damping oil that is filled between the damping seat and the damping sleeve and can generate a rotation resistance force, a rotatable shaft is arranged in the damping sleeve and protrudes from the damping seat and is fixedly connected to the rolling bar, and a sleeve A torsion spring arranged on the periphery of the rotating shaft, the torsion spring has a fixed end fixed to the damping sleeve by a catch, and a friction end opposite to the fixed end and abutting against the rotating shaft, the curtain is moved from the retracted position When moving to the unfolded position, it will drive the scroll bar and the rotating shaft to rotate around the central axis along a first rotation direction. The damping sleeve rotates relative to the damping seat, and when the curtain moves from the unfolded position to the retracted position, it will drive the rolling bar and the rotating shaft to rotate around the central axis along a second rotational direction. At this time, the The rotating shaft drives the torsion spring to tighten to drive the torsion spring, and drives the damping sleeve to rotate relative to the damping seat.

2. The sunshade as claimed in claim 1, wherein the helical direction of the torsion spring is opposite to the first rotation direction of the rotation shaft, and is in the same direction as the second rotation direction of the rotation shaft.

3. The sunshade according to claim 1, wherein the buffer unit further comprises at least one oil seal for preventing the damping oil from leaking out.

4 . The sunshade as claimed in claim 1 , wherein the damping sleeve has a recess formed on the inner peripheral surface for locking and fixing the fixed end of the torsion spring.

5. The sunshade according to claim 1, wherein the damping sleeve has at least one slot formed on the outer peripheral surface, and the damping sleeve cooperates with the damping seat to define a channel that communicates with the slot and accommodates the damping Oil annular gap.

6. The sunshade according to claim 1, wherein the rolling bar of the sunshade unit has a non-circular cross-section socket located at one end adjacent to the rotating shaft, and the rotating shaft of the buffer unit has a corresponding insertion hole An inserting shaft part in the insertion hole and having a non-circular cross-section.

7. The sunshade according to claim 1, wherein the damping seat of the buffer unit has a hollow seat body forming an opening, and a cover plate covering the opening of the seat body.

8. The sunshade according to claim 1, characterized in that: the sunshade unit further comprises a mandrel fixedly installed in the housing seat and extending into the rolling strip, and a mandrel sleeved on the periphery of the mandrel and Both ends are respectively connected to the retracting spring of the rolling bar and the mandrel.