阅读说明：本技术 一种锁止结构及遮阳帘收卷器 (Locking structure and sunshade screen winder ) 是由 董克思 李磊 于 2019-09-25 设计创作，主要内容包括：一种锁止结构及遮阳帘收卷器,所述遮阳帘收卷器包括收卷转动固定座、锁止限位座、锁止开关和锁止端座,所述锁止开关包括推动座、限位部和弹簧固定座,所述限位部下侧设有勾状的突出限位部,所述锁止开关的突出限位块与收卷转动固定座相抵,锁止结构在遮阳帘收卷器内部,通过突出限位部固定收卷转动固定座,使遮阳帘能按需求收卷或部分收卷,长久使用也不会使锁止结构磨耗,锁止结构在锁止端座内部,避免锁止结构脱落,有效增长遮阳帘使用寿命。(The utility model provides a locking structure and sunshade screen rolling machine, the sunshade screen rolling machine includes rolling rotation fixing base, the spacing seat of locking, locking switch and locking end seat, the locking switch is including propelling movement seat, spacing portion and spring fixing base, spacing portion downside is equipped with the outstanding spacing portion that colludes the form, the outstanding stopper and the rolling rotation fixing base of locking switch offset, and the locking structure is inside the sunshade screen rolling machine, through the fixed rolling rotation fixing base of the spacing portion of outstanding, makes sunshade screen rolling or partial rolling as required, and permanent use also can not make locking structure wearing and tearing, and the locking structure is inside the locking end seat, avoids the locking structure to drop, effectively increases sunshade screen life.)

1. The utility model provides a locking structure, includes locking switch, its characterized in that, locking switch is including pushing away seat, spacing portion and spring fixing base, the pushing away seat is established in spacing portion below, spring fixing base establishes in spacing portion top central point and puts, spacing portion downside is equipped with the protruding spacing portion that colludes the form, spacing portion left and right sides and protruding spacing portion left side are the spacing portion of activity.

2. The lock structure of claim 1, wherein the four corners of the position-limiting portion are provided with movable concave portions, and the center of the position-limiting portion is provided with a connecting hole penetrating through the position-limiting portion from the front-back direction.

3. The locking structure of claim 1, wherein the pushing seat is L-shaped, and the spring fixing seat is provided with a locking spring.

4. The locking structure of claim 1, wherein the limiting portion of the locking switch is disposed on a locking limiting seat, the locking limiting seat is provided with a fixed column, a movable limiting block, a locking groove and a fixed limiting groove, and the protruding limiting portion is disposed on the fixed limiting groove.

5. The utility model provides a sunshade screen rolling-up device, its characterized in that, rotates fixing base, the spacing seat of locking, locking switch and locking end seat including the rolling, the rolling rotates the fixing base and includes sunshade screen connecting seat and rolling fixing base, sunshade screen connecting seat and rolling fixing base fixed connection, be equipped with the spacing seat of locking and locking switch in the rolling fixing base, the spacing seat of rolling fixing base, locking and locking switch establish in the locking end seat, the spacing portion of protruding and the rolling of locking switch rotate the fixing base and offset.

6. The rolling device of sunshade curtain as claimed in claim 5, wherein said rolling holder has a holder recess, said holder recess has a positioning groove, said lock holder is disposed in said holder recess, and said protruding limit portion of said lock switch passes through said fixed holder recess and abuts against said positioning groove.

Technical Field

The invention relates to the technical field of an internal locking structure of a sun-shading curtain winder, in particular to a locking structure and a sun-shading curtain winder.

Background

The sun-shading curtain is arranged on the inner side of the wind glass in the automobile to achieve the effects of shading, insulating heat, protecting privacy and the like. The existing sunshade curtain is generally characterized in that a ratchet wheel is arranged on a winding shaft, a ratchet wheel switch for preventing the ratchet wheel from rotating is arranged outside the ratchet wheel to stop the sunshade curtain from being wound upwards, the ratchet wheel switch is generally rotatably connected with the winding shaft, and under the long-term use, the connection position between the ratchet wheel switch and the winding and the contact surface between the ratchet wheel switch and the ratchet wheel are seriously abraded, so that the ratchet wheel switch is easy to fall off from the winding shaft and cannot fix the sunshade curtain, which is a general defect of the sunshade curtain locked from the outside.

Disclosure of Invention

In order to overcome the above disadvantages of the prior art, the present invention provides a locking structure and a sunshade curtain winding device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a locking structure, includes the locking switch, the locking switch is including pushing away seat, spacing portion and spring fixing base, it establishes in spacing portion below to push away the seat, spring fixing base establishes in spacing portion top central point and puts, spacing portion downside is equipped with the protruding spacing portion that colludes the form, spacing portion left and right sides and protruding spacing portion left side are the spacing portion of activity.

As a further improvement of the invention: the locking switch is integrally formed, and the protrusion limiting portion protrudes outside the limiting portion.

As a further improvement of the invention: the four corners of the limiting part are provided with movable concave positions, and the center of the limiting part is provided with a connecting hole which penetrates through the limiting part from the front-back direction. .

As a further improvement of the invention: the pushing seat is L-shaped, and the spring fixing seat is provided with a locking spring.

As a further improvement of the invention: the limiting part of the locking switch is arranged on the locking limiting seat, the locking limiting seat is provided with a fixing column, a movable limiting block, a locking groove and a fixing limiting groove, and the protruding limiting part is arranged on the fixing limiting groove.

As a further improvement of the invention: the fixed columns are arranged on the left side and the right side above the locking groove and on the left side and the right side below the movable limiting block.

As a further improvement of the invention: the movable concave position corresponds to the fixed column, the height of the movable concave position at the upper part of the limiting part from the top of the limiting part is not less than the diameter of the fixed column, and the movable concave position at the lower part of the limiting part is semicircular.

As a further improvement of the invention: the length of the limiting part is the diameter of the locking groove, the hollowed-out length between the fixed limiting grooves is larger than the length of the protruding limiting part, and the protruding limiting part can move from the fixed limiting grooves.

As a further improvement of the invention: the movable limiting parts on the left side and the right side of the limiting part are arranged on the linear walking side in the locking groove, and the movable limiting parts protruding out of the left side of the limiting part below the limiting part are arranged on the left side of the bottom fixing limiting groove in the locking groove.

The utility model provides a sunshade screen rolling-up device, its characterized in that, rotates fixing base, the spacing seat of locking, locking switch and locking end seat including the rolling, the rolling rotates the fixing base and includes sunshade screen connecting seat and rolling fixing base, sunshade screen connecting seat and rolling fixing base fixed connection, be equipped with the spacing seat of locking and locking switch in the rolling fixing base, the spacing seat of rolling fixing base, locking and locking switch establish in the locking end seat, the spacing portion of protruding and the rolling of locking switch rotate the fixing base and offset.

As a further improvement of the invention: the winding fixing seat is internally provided with a limiting seat groove, the limiting seat groove is internally provided with a positioning groove, the locking limiting seat is arranged in the limiting seat groove, and the protruding limiting part of the locking switch penetrates through the fixing limiting groove to abut against the positioning groove.

As a further improvement of the invention: the number of the positioning grooves is two, and the two positioning grooves are opposite to each other in the limiting seat groove.

As a further improvement of the invention: the whole locking limiting seat is cylindrical, the groove of the limiting seat is a circular hollow, and the circular diameter of the locking limiting seat is the circular hollow diameter of the groove of the limiting seat.

As a further improvement of the invention: the locking spring of locking switch top supports between locking switch and locking end socket inner wall, the fixed column supports on locking end socket bottom inner wall.

As a further improvement of the invention: the winding rotation fixing seat is connected with a winding power device, the winding power device is a power torsional spring, the winding rotation fixing seat is fixedly connected with the power torsional spring, and the power torsional spring rotates to generate torque when the winding rotation fixing seat rotates.

As a further improvement of the invention: the sunshade screen connecting seat is provided with a sunshade screen connecting groove, and the sunshade screen connecting groove is used for connecting a sunshade screen.

Compared with the prior art, the invention has the beneficial effects that: the locking structure is inside the sunshade screen rolling ware, through the fixed rolling rotation fixing base of outstanding spacing portion, makes sunshade screen rolling or partial rolling as required, uses for a long time and also can not make locking structure wearing and tearing, and the locking structure avoids the locking structure to drop inside the locking end seat, effectively increases sunshade screen life.

Drawings

Fig. 1 is a schematic structural diagram of a locking switch of the present invention.

Fig. 2 is a schematic structural diagram of the locking switch of the present invention.

Fig. 3 is a schematic structural view of the locking switch and the locking limit seat of the invention.

Fig. 4 is a schematic structural view of the locking switch and the locking limit seat of the invention.

Fig. 5 is a schematic sectional view taken along line a-a' of fig. 4.

Fig. 6 is a schematic structural view of the locking switch, the locking limiting seat and the rolling and rotating fixing seat of the invention.

Fig. 7 is a schematic sectional view taken along line B-B' in fig. 6.

Fig. 8 is a schematic structural view of the locking switch, the locking limiting seat and the rolling and rotating fixing seat of the invention.

Fig. 9 is a schematic structural view of the locking switch, the locking limiting seat and the rolling and rotating fixing seat arranged in the locking end seat.

Detailed Description

The invention will now be further described with reference to the accompanying description and examples: as shown in fig. 1 to 9, a locking structure includes a locking switch 1, the locking switch 1 includes a pushing seat 11, a limiting portion 12 and a spring fixing seat 13, the pushing seat 11 is disposed below the limiting portion 12, the spring fixing seat 13 is disposed at a central position above the limiting portion 11, a hook-shaped protruding limiting portion 101 is disposed at a lower side of the limiting portion 12, and movable limiting portions 102 are disposed at left and right sides of the limiting portion 12 and left sides of the protruding limiting portion 101; the utility model provides a sunshade screen rolling-up device, includes rolling rotation fixing base 4, the spacing seat 3 of locking, locking switch 1 and locking end seat 5, rolling rotation fixing base 4 includes sunshade screen connecting seat 41 and rolling fixing base 42, sunshade screen connecting seat 41 and rolling fixing base 42 fixed connection, be equipped with spacing seat 3 of locking and locking switch 1 in the rolling fixing base 42, the spacing seat 3 of rolling fixing base 42, locking and locking switch 2 are established in locking end seat 5, locking switch 1's outstanding spacing portion 101 offsets with rolling rotation fixing base 4.

The pushing seat 11 is L-shaped, movable concave portions 103 are arranged at four corners of the limiting portion 12, a connecting hole 104 penetrating through the limiting portion from the front to the rear direction is formed in the center of the limiting portion 12, and the spring fixing seat 13 is provided with a locking spring 2.

The limiting part 12 of the locking switch 1 is arranged on the locking limiting seat 3, the locking limiting seat 3 is provided with a fixed column 31, a movable limiting block 32, a locking groove 33 and a fixed limiting groove 34, the fixed column 31 is arranged on the left side and the right side above the locking groove 33 and on the left side and the right side below the movable limiting block 32, and the protruding limiting part 101 is arranged on the fixed limiting groove 34.

Spacing 12 length is locking recess 33 diameter size, fretwork length is greater than outstanding spacing 101 length between the fixed spacing recess 34, outstanding spacing 101 can be followed fixed spacing recess 34 and moved, the spacing portion 102 of activity of the spacing 12 left and right sides is put at the straight line walking side in locking recess 33, spacing 12 below outstanding left spacing portion 102 of spacing 101 is put in locking recess 33 inner bottom fixed spacing recess 34 left side.

A limiting seat groove 43 is formed in the winding fixing seat 4, a positioning groove 401 is formed in the limiting seat groove 43, and a sunshade curtain connecting groove 402 is formed in the sunshade curtain connecting seat 41.

The locking spring 2 above the locking switch 1 is abutted between the locking switch 1 and the inner wall of the locking end seat 5, and the fixing column 31 is abutted on the inner wall of the bottom end of the locking end seat 5.

As shown in fig. 1 and 2, the locking switch is integrated into one piece, the locking switch includes the promotion seat, spacing portion and spring fixing base, the promotion seat is L shape, the promotion seat is established in spacing portion below, spring fixing base establishes at spacing portion top central point, spacing portion downside is equipped with the outstanding spacing portion that colludes the form, the outstanding restriction portion that restricts of portion, the four corners of spacing portion is equipped with the activity concave position, spacing portion central point is equipped with the connecting hole that runs through spacing portion from the fore-and-aft direction.

As shown in fig. 3-5, the spacing portion of the locking switch is arranged on the spacing seat of the locking, the spacing seat of the locking is provided with a fixed column, a movable limiting block, a locking groove and a fixed limiting groove, the protruding spacing portion is arranged on the fixed limiting groove, the movable concave position corresponds to the fixed column position, the height of the movable concave position on the upper portion of the spacing portion from the top of the spacing portion is not less than the diameter of the fixed column, the movable concave position on the lower portion of the spacing portion is semicircular, the fixed column is arranged on the left side and the right side above the locking groove and on the left side and the right side below the movable limiting block, the movable limiting portions on the left side and the right side of the spacing portion are arranged on the straight line walking side in the locking groove, and the movable limiting portion on the left side of the.

As shown in fig. 6-9, including rolling rotation fixing base, the spacing seat of locking, locking switch and locking end seat, be equipped with spacing seat of locking and locking switch in the rolling fixing base, the spacing seat of locking and locking switch are established in the locking end seat, the rolling rotation fixing base includes sunshade screen connecting seat and rolling fixing base, sunshade screen connecting seat and rolling fixing base fixed connection, be equipped with spacing seat recess in the rolling fixing base, be equipped with the constant head tank in the spacing seat recess, the spacing seat of locking is established in spacing seat recess, the outstanding limited portion of locking switch passes fixed spacing recess and offsets with the constant head tank, the sunshade screen connecting seat is equipped with the sunshade screen spread groove, the sunshade screen spread groove is used for connecting the sunshade screen.

The rolling rotation fixing seat is connected with a rolling power device, the rolling power device is a power torsional spring, the rolling rotation fixing seat is fixedly connected with the power torsional spring, the power torsional spring rotates to generate torque when the rolling rotation fixing seat rotates, the sunshade curtain is enabled to have torsion of rotation rolling, and meanwhile rolling is controlled through a locking switch.

In order to increase the rolling middle stop position of the sun-shading curtain, the number of the positioning grooves is two, and the positioning grooves are oppositely arranged in the grooves of the limiting seat.

The main functions of the invention are as follows: the locking structure is inside the sunshade screen rolling ware, through the fixed rolling rotation fixing base of outstanding spacing portion, makes sunshade screen rolling or partial rolling as required, uses for a long time and also can not make locking structure wearing and tearing, and the locking structure avoids the locking structure to drop inside the locking end seat, effectively increases sunshade screen life.

In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.