TWM525990U - Sunshade rolling up device - Google Patents

Description

Sunshade retractor

This creation relates to a device for a sunshade, and more particularly to a sunshade retractor.

According to the fact, many automobile sunshades and household curtains are in a retractable configuration, which is configured to mount the sunshade on a reel and then drive the reel by a retracting device having a reeling device. The elastic device is configured to drive the reel to be rolled by the elastic force of the elastic device to drive the reel to generate an action of retracting the sunshade.

A conventional retracting device for a sunshade includes a receiving device having an elongated cylindrical body formed into a rectangular box body and a central shaft having one end fixed to one end of the receiving device and the other end suspended; and a reel rotatable The ground sleeve is sleeved on the central shaft, and one end of the reel is provided with a fixing sleeve, and the fixing sleeve is provided with a convex block, and the convex block is engaged with the notch disposed on the reel so that the fixing sleeve and the reel are engaged and fixed together; a curtain, one end is fixed on the reel, when the reel is rotated, the roller blind can be wound on the reel, and the roller blind is received inside the accommodating device; and the spring device is disposed inside the reel, one end of which is fixed at the center The end of the shaft is in the engaging groove, and the other end is fixed on the fixing sleeve.

Before use, the curtain is wound on the central shaft in advance in the factory, and the spring is pre-rotated. The one end of the spring is rotated relative to the central axis. At this time, the spring is generated because the other end of the spring is fixed. Torque and store kinetic energy; this kinetic energy is locked before use; in actual use, the power-assisted device with the curtain curtain is connected to the car or other carrier through a number of mounting members.

When the curtain curtain needs to be unfolded, after the free end of the curtain curtain is pulled to the desired position, the positioning device can be positioned by another positioning device; when the curtain curtain needs to be retracted, the positioning unit is unlocked, and the curtain curtain is stored by the spring. Automatic release of energy release; after the conventional booster is pre-rotated, it needs A receiving device with an opening is arranged outside the central shaft, so that the free end of the curtain curtain protrudes out of the opening and is fixed by the notch and the notch of the reel, thereby locking the energy storage state of the spring and the winding state of the curtain; Therefore, the booster device of such a structure needs to be provided with a accommodating device, and is installed in a pre-rotation state, which is relatively cumbersome and laborious to be assembled, reduces production efficiency and increases cost, and at the same time, when shipped and shipped, there is still The bump may be accidentally hitting the center shaft to disengage the bump from the reel, causing the release of the spring, causing the component to loosen.

In view of this, the creator has improved the shortcomings of the prior art, and after years of experience in this industry, he created the creation.

In view of the above problems, the creator further studies and develops with care. Therefore, the main purpose of the present invention is to provide a sunshade retracting device, which is provided with a first sleeve directly on the elongated rod casing, and is plastically injection molded by external coating. There is no need to process the inside of the sleeve in the prior art as complicated and difficult. At the same time, the creation uses the arrangement of the guide slopes and the setting of the clamps to ensure smooth assembly and ensure the smoothness of the assembly. When the cargo is delivered, the components will not be loosened, and it can be further strengthened to avoid the rotation ability of the spring to be stored, which is not caused by accidental collision during transportation.

In order to achieve the above object, the present invention provides a sunshade retracting device comprising an elongated rod; a first sleeve sleeved at a predetermined position of the elongated rod, the first sleeve having a first tube body and a first limiting portion, the first tubular body is sleeved outside the elongated rod, the first limiting portion extends axially outward from one end of the first tubular body; a second sleeve has a threaded section, a sleeve section, and a second limiting portion, the threaded section and the sleeve section are in communication with each other, and the threaded section corresponds to the first limiting portion of the first sleeve, and an inner portion of the threaded section The diameter is larger than an inner diameter of the sleeve segment, an outer diameter of the thread segment is smaller than an outer diameter of the sleeve segment, the second limiting portion is disposed in the thread segment, and is located in the thread segment and the sleeve segment And a spring disposed outside the threaded section and the elongated rod, and two ends of the spring are respectively fixed at an end of the sleeve section adjacent to the threaded section and an end of the elongated rod away from the second sleeve.

Wherein, when the elongated rod sequentially passes through the threaded section and the sleeve section, the elongated rod is rotated in a first direction by a predetermined angle to cause the spring to store rotational energy, and the threaded section can be sleeved on the first sleeve And passing through the first limiting portion of the first sleeve and the second sleeve The second limiting portions are detachably coupled to each other.

Wherein, when the elongated rod is rotated in a second direction opposite to the first direction, the spring releases the stored rotational energy to automatically disengage the elongated rod from the second sleeve through the first sleeve.

In some embodiments, the first limiting portion includes a first guiding protrusion and a second guiding protrusion. The first tube body is sleeved outside the elongated rod, and the first guiding protrusion And the second guiding protrusion extends axially outward from one end of the first tube body, and the first guiding protrusion and the second guiding protrusion are disposed at an angular interval from each other, the second The limiting portion has a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove respectively correspond to the first guiding protrusion and the second guiding Bump setting.

In some embodiments, the first guiding protrusion has a first guiding inclined surface, and the second guiding protrusion has a second guiding inclined surface, the first guiding inclined surface and the second guiding inclined surface The oblique direction is set toward the first direction.

The sunshade retracting device further includes a fixing clip, the fixing clip is substantially U-shaped, has a vertical end and a curved end, and the vertical end is externally from one side of the sleeve section radially The penetrating rod is inserted and passed through the other side of the sleeve section in the radial direction, and the curved section is clamped to the outside of the sleeve section.

In view of the above, the objects and advantages of the present invention are not difficult to understand from the detailed description of the selected embodiments and the accompanying drawings.

Of course, the present invention is allowed to differ in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings.

100‧‧‧Sunshade retracting device

10‧‧‧Slim rod

20‧‧‧First casing

201‧‧‧First tube

202‧‧‧First Limitation Department

203‧‧‧First guiding bump

204‧‧‧Second guiding lugs

205‧‧‧First guiding bevel

206‧‧‧Second guiding bevel

30‧‧‧second casing

301‧‧ Thread segment

302‧‧‧ casing section

303‧‧‧Second Limitation

304‧‧‧First limit groove

305‧‧‧Second limit groove

40‧‧‧ Spring

50‧‧‧Fixed clips

501‧‧‧ vertical end

502‧‧‧Bend end

B‧‧‧Bolts

P1‧‧‧Predetermined location

P2‧‧‧ position

Fig. 1 is a schematic exploded view of the sunshade retracting device of the present invention.

Fig. 2 is a perspective view showing the state in which the spring stores the rotational energy in the sunshade retracting device of the present invention.

Fig. 3 is a cross-sectional view showing the line A-A in Fig. 2;

Fig. 4 is a cross-sectional view showing the line B-B in Fig. 2;

Fig. 5 is a cross-sectional view showing the line C-C in Fig. 2;

Fig. 6 is a perspective view showing the spring releasing the rotational energy in the sunshade retracting device of the present invention.

The technical means by which this creation is used to achieve the above objectives are described in detail below with the following implementation diagrams, which are further understood and agreed upon.

Please refer to FIG. 1 to FIG. 6 simultaneously. The present invention is a sunshade retracting device 100 including an elongated rod 10, a first sleeve 20, a second sleeve 30, and a spring 40.

The first sleeve 20 can be sleeved on a predetermined position P1 of the elongated rod 10. The first sleeve 20 has a first tube body 201 and a first limiting portion 202. The first tube body 201 is sleeved on the elongated rod 10. The first limiting portion 202 extends axially outward from one end of the first tubular body 201. The first limiting portion 202 includes a first guiding protrusion 203 and a second guiding protrusion. The first guiding protrusion 203 and the second guiding protrusion 204 extend axially outward from one end of the first tube body 201, and the first guiding protrusion 203 and the second guiding protrusion 204 Set at an angular interval from each other.

The second sleeve 30 has a threaded section 301, a sleeve section 302, and a second limiting portion 303. The threaded section 301 and the sleeve section 302 communicate with each other, and the threaded section 301 corresponds to the first limit of the first sleeve 20. The inner diameter of the threaded section 301 is greater than an inner diameter of the sleeve section 302. An outer diameter of the threaded section 301 is smaller than an outer diameter of the sleeve section 302, and the second limiting portion 303 is disposed in the threaded section 301. Between the threaded section 301 and the sleeve section 302, wherein the second limiting portion 303 has a first limiting groove 304 and a second limiting groove 305, the first limiting groove 304 and the second limiting position The grooves 305 are respectively disposed corresponding to the first guiding protrusion 203 and the second guiding protrusion 204.

The spring 40 can be sleeved outside the threaded section 301 and the elongated rod 10, and the two ends of the spring 40 are respectively fixed at one end of the sleeve section 302 adjacent to the threaded section 301 and the end of the elongated rod 10 away from the second sleeve 30 (position P2, It can be detachably fixed by a bolt B).

Preferably, the first guiding protrusion 203 has a first guiding slope 205, and the second guiding protrusion 204 has a second guiding slope 206, and the first guiding slope 20 5 and the inclination direction of the second guiding slope 206 is set toward the first direction (for example, clockwise direction).

In Fig. 2, when the elongated rod 10 is sequentially passed through the threaded section 301 and the sleeve section 302 of the second sleeve 30, the elongated rod 10 is rotated in a first direction (e.g., clockwise) by a predetermined angle to store the spring 40. Rotating energy, and the threaded section 301 can be sleeved outside the first sleeve 20, and guided by the first guiding slope 205 and the second guiding slope 206 toward the first direction, through the first sleeve 20 The second limiting portion 303 of the second sleeve 30 and the second limiting portion 303 of the second sleeve 30 are detachably coupled to each other; that is, the first guiding protrusion 203 and the second guiding protrusion 204 correspond to the first limiting position. The groove 304 and the second limiting groove 305 are detachably fixed to each other, so that the spring 40 temporarily stores the rotational energy.

In Fig. 6, when the elongated rod 10 is rotated in a second direction (e.g., counterclockwise direction) opposite to the first direction (e.g., clockwise direction), the spring 40 releases the stored rotational energy to cause the elongated rod 10 is guided through the first guiding slope 205 and the second guiding slope 206 and is automatically disengaged from the second sleeve 30 by the first sleeve 20.

In addition, the sunshade retracting device 100 of the present invention may further include a fixing clip 50. The fixing clip 50 is substantially U-shaped, has a vertical end 501 and a curved end 502, and the vertical end 501 has a diameter from the sleeve section 302. One of the sides (such as the upper side of Fig. 2) penetrates outside and passes through the elongated rod 10, and then passes out from the other side of the sleeve section 302 in the radial direction (as in the lower side of Fig. 2), and is bent The segment 502 is then clamped against the outside of the casing section 302 (as on the left side of FIG. 2), thereby avoiding collision between components during shipment and inadvertently touching the elongated rod 10 to release the spring 40, thereby causing the component to be loose. The problem.

With the above structure, the sunshade retracting device 100 of the present invention directly coats the first sleeve 20 on the elongated rod 10, and performs plastic injection molding processing by external coating, without the need of the prior art. The internal processing of the created second sleeve 30 is complicated and difficult. At the same time, the creation utilizes the arrangement of the guide slopes 205 and 206 and the setting of the clamps, so that the assembly can be ensured smoothly and the shipment can be ensured. When transported, the components are not loosened, and it is further possible to prevent the rotation ability of the spring 40 from being stored, which is not caused by accidental collision during transportation.

The above description of the embodiments is intended to be illustrative of the present invention and is not intended to limit the present invention, so any change in the value or substitution of equivalent elements should still fall within the scope of the present invention.

From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the aforementioned objectives, and has been in compliance with the provisions of the Patent Law, and has filed a patent application.

100‧‧‧Sunshade retracting device

10‧‧‧Slim rod

20‧‧‧First casing

30‧‧‧second casing

40‧‧‧ Spring

50‧‧‧Fixed clips

Claims (4)

A sunshade retracting device includes: an elongated rod; a first sleeve disposed at a predetermined position of the elongated rod, the first sleeve having a first tube body and a first limiting portion, The first tubular body is sleeved outside the elongated rod, and the first limiting portion extends axially outward from one end of the first tubular body; a second sleeve has a threaded section and a sleeve section, And a second limiting portion, the threaded portion and the sleeve portion communicate with each other, and the threaded portion corresponds to the first limiting portion of the first sleeve, an inner diameter of the threaded portion is larger than an inner portion of the sleeve portion a diameter of the threaded portion is smaller than an outer diameter of the sleeve section, the second limiting portion is disposed in the threaded section and is located between the threaded section and the sleeve section; and a spring is sleeved Outside the threaded section and the elongated rod, and the two ends of the spring are respectively fixed at an end of the sleeve section adjacent to the threaded section and an end of the elongated rod away from the second sleeve; wherein, when the elongated rod is in sequence When the threaded section and the sleeve section are passed through, the elongated rod is rotated in a first direction by a predetermined angle so that the The spring stores the rotational energy, and the threaded portion is sleeved outside the first sleeve, and the first limiting portion of the first sleeve and the second limiting portion of the second sleeve are detachable from each other Fixedly coupled; and wherein, when the elongated rod is rotated in a second direction opposite the first direction, the spring releases stored rotational energy to cause the elongated rod to pass through the first sleeve and the second sleeve The tube is automatically detached. The sunshade retracting device of claim 1, wherein the first limiting portion includes a first guiding protrusion and a second guiding protrusion, and the first tube body is sleeved outside the elongated rod The first guiding protrusion and the second guiding protrusion extend axially outward from one end of the first tube body, and the first guiding protrusion and the second guiding protrusion are mutually An angular interval is provided, the second limiting portion has a first limiting recess And a second limiting groove, the first limiting groove and the second limiting groove respectively corresponding to the first guiding protrusion and the second guiding protrusion. The sunshade retracting device of claim 2, wherein the first guiding protrusion has a first guiding slope, and the second guiding protrusion has a second guiding slope, the first guiding The inclined direction of the inclined surface and the second guiding inclined surface is disposed toward the first direction. The sunshade retracting device of claim 2, further comprising a fixing clip, the fixing clip being substantially U-shaped, having a vertical end and a curved end, the vertical end being radially from the sleeve section One of the outer portions penetrates and passes through the elongated rod, and then passes out from the other side in the radial direction of the sleeve portion, and the curved portion is clamped to the outside of the sleeve portion.