TWI491372B - Blind reel-fixing fitting having multi-stage adjustable lengths - Google Patents

Description

Curtain reel fixing accessories with multiple length adjustments

The invention relates to a curtain reel fixing accessory, which is used for positioning one end of a curtain reel, in particular to a curtain reel fixing fitting with a plurality of length adjustment lengths.

The two ends of the curtain reel should be fixed to the pylon. However, when the pylons are installed in the building, there is a certain error between the pylons. When the installation length of the curtain reel is exceeded, the curtain reel cannot be installed smoothly. Between the pylons on both sides. In addition, the curtain reel needs to be disassembled frequently for cleaning or replacement. Therefore, the end of the curtain reel needs to be equipped with a retractable curtain reel fixing accessory, such as the domestic new patent M298961 "Rolling reel back cap" and the domestic new patent M390110" For the length of the curtain system, the adjustable accessories are disclosed.

The traditional curtain reel fixing fitting disclosed in the domestic new patent No. M298961 "Curtain Roll Reel Cap" is a single-stage type, which can only make its protruding shaft retract and protrude. The curtain reel fixing fitting disclosed in the domestic new patent M390110 "Adjustable length for curtain system" is multi-stage, but the adjustment driving wheel is prone to jamming and chipping. The mechanical component is a housing and a set of driving components that are coupled to the housing. A core assembly within the housing includes a support portion that engages a core member of the drive member and a support member of the support assembly. Wherein the drive member is selectively adjusted relative to the outer casing such that the core member moves to a different extent relative to the outer casing along an axis Positionally, wherein in each position, the drive member engages the core member to prevent movement of the core member relative to the axis of the housing. The drive portion includes a helical path for engaging the core member, so that there is a problem of jamming and chipping.

In order to solve the above problems, the main object of the present invention is to provide a curtain reel fixing accessory having a plurality of length adjustments, which can achieve the effect of continuously adjusting the length of the protruding shaft in a multi-stage manner without a jamming rotation.

The object of the present invention and solving the technical problems thereof are achieved by the following technical solutions. The invention discloses a curtain reel fixing accessory with a plurality of length adjustments, comprising a sleeve having an open end, a multi-section length adjusting member having a guiding hole, and a core assembly having a protruding shaft. The multi-segment length adjustment member is sleeved to the open end of the sleeve and rotationally moved relative to the sleeve. The core component is housed in the sleeve, and the core component is axially moved within the sleeve by an elastic member to telescope the collar to the guide hole. Wherein, the core component has a supporting bump, and the inner sleeve portion of the multi-segment length adjusting member is formed as a continuous wave ring, and the continuous wave ring is provided with one of the first contact pockets at different heights, The second contact recess and the third contact recess are positioned for contact of the support bump such that the protruding shaft respectively exhibits a state of not protruding beyond the guiding hole, the semi-protrusion and the full protrusion.

The object of the present invention and solving the technical problems thereof can be further achieved by the following technical measures.

In the foregoing curtain reel fixing assembly, the continuous waveform ring system may specifically have a first peak and a second peak, the first peak is larger than the second peak, and the first contact recess may be located in the a wave top of the first peak, the second contact pocket being located at a top of the second peak, the third contact pocket being located between the first peak and the second peak Valley.

In the foregoing curtain reel fixing assembly, the wavelength of the first peak may be greater than the wavelength of the second peak, that is, the two wave bottom connecting lines between the first peak and the second peak are not aligned with the guiding hole. The axis of the axis is used to improve the wavefront slope of the first peak with a large wave height, so that the wavefront slope of the second peak of the smaller wave height is close to facilitate the labor-saving rotation adjustment of the multi-section length adjusting member .

In the foregoing curtain reel fixing assembly, the core assembly may include an inner sleeve and a mandrel, the support buck being located outside the inner sleeve, the projecting shaft being located at one end of the mandrel. Therefore, the mandrel can be made of a metal that is more rigid than the inner sleeve and has a simple shape for forming.

In the foregoing curtain reel fixing fitting, the outer wall of the inner sleeve can be further provided with a plurality of ribs, and the inner cylinder wall of the sleeve is provided with a plurality of corresponding sliding grooves, so the inner sleeve It does not rotate with the rotation of the multi-stage length adjusting member, but is converted into the axial reciprocating movement of the inner sleeve as the multi-stage length adjusting member continuously rotates.

In the foregoing curtain reel fixing fitting, the inner cylinder wall of the sleeve can be provided with a convex accommodating groove, so that the supporting protrusion of the inner sleeve can be guided deeper into the sleeve.

In the foregoing curtain reel fixing fitting, the sleeve may have at least one locking hole, and the multi-segment length adjusting member may have a retaining concave ring through which a locking member protrudes and protrudes into the prevention Decoupling the ring to prevent the multi-section length adjusting member from being separated from the sleeve, and the locking hole is aligned with the outlet end of the bump receiving groove, which can be prevented when the multi-segment length adjusting member is disassembled The inner sleeve is quickly ejected by the elastic force of the elastic member.

In the foregoing curtain reel fixing fitting, the hole size of the guiding hole of the multi-segment length adjusting member may correspond to the outer wall of the inner sleeve, so that the front end of the inner sleeve is guided to the guide In the pilot hole.

In the foregoing curtain reel fixing assembly, the multi-segment length adjusting member may be a wheel roughened turntable at a portion exposed to the sleeve to facilitate rotating the multi-segment length adjusting member.

10‧‧‧ Curtain reels

11‧‧‧Drive wheel

12‧‧‧First pylon

13‧‧‧Second rack

100‧‧‧ Curtain reel fixing accessories

110‧‧‧ sleeve

111‧‧‧Open end

112‧‧‧guide slip groove

113‧‧‧Bumping groove

114‧‧‧Lock hole

115‧‧‧Component fixed column

116‧‧‧through hole

117‧‧‧ outer rib fixing strip

120‧‧‧Multi-section length adjustment

121‧‧‧ Guide hole

122‧‧‧Anti-removal ring

123‧‧‧Roughened tread

130‧‧‧ core components

131‧‧‧

132‧‧‧Support bumps

133‧‧‧Inner casing

134‧‧‧ mandrel

135‧‧‧ Ribs

136‧‧‧ shaft hole

140‧‧‧Flexible components

150‧‧‧Continuous waveform ring

151‧‧‧First contact pocket

152‧‧‧Second contact pocket

153‧‧‧ third contact pocket

161‧‧‧The first peak

162‧‧‧second peak

170‧‧‧Locking parts

Fig. 1 is a perspective view showing a three-dimensional combination of a curtain reel fixing fitting having a plurality of length adjustments according to an embodiment of the present invention.

2 is a perspective view of a curtain reel fixing fitting coupled to a curtain reel according to an embodiment of the present invention.

Fig. 3 is an exploded perspective view showing the components of the curtain reel fixing fitting according to an embodiment of the present invention.

Figure 4 is a partial cutaway view of the core assembly and sleeve of the curtain reel attachment assembly in accordance with an embodiment of the present invention.

Figure 5 is a perspective view of a multi-section length adjusting member of the curtain reel fixing fitting according to an embodiment of the present invention.

6A and 6B are views showing a perspective view and a partial cutaway view of the curtain reel fixing fitting in a non-protruding state of the projection shaft according to an embodiment of the present invention.

7A and 7B are views showing a perspective view and a partial cutaway view of the curtain reel fixing fitting in a semi-protruding state of the projection shaft according to an embodiment of the present invention.

8A and 8B are a perspective view and a partial cutaway view of the curtain reel fixing fitting in a state in which the protruding shaft is fully protruded according to an embodiment of the present invention.

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in which FIG. The components and combinations related to this case, the components shown in the figure are not drawn in proportion to the actual number, shape and size of the actual implementation. Some size ratios are proportional to other related sizes or have been exaggerated or simplified to provide clearer description of. The actual number, shape and size ratio of the implementation is an optional design, and the detailed component layout may be more complicated.

According to an embodiment of the present invention, a curtain reel fixing accessory having a plurality of length adjustments is illustrated in the three-dimensional combination diagram of FIG. 1 , the three-dimensional schematic diagram of the second embodiment combined with a curtain reel and the component disassembled three-dimensional diagram of FIG. schematic diagram. The multi-segment length of the curtain reel fixing fitting 100 includes a sleeve 110, a multi-segment length adjusting member 120 having a guiding hole 121, and a core assembly 130 having a protruding shaft 131. The curtain reel fixing fitting 100 can be mounted on one end of a curtain reel 10, and the other end of the curtain reel 10 is coupled with a driving wheel 11 that can be connected to a curtain cord, and the curtain reel fixing fitting 100 can be used as the curtain reel The passive idler of the 10, the driving wheel 11 should be fixed to a first pylon 12, and the curtain reel fixing fitting 100 should be fixed to a second pylon 13 having an adjustable protruding shaft 131 The plurality of lengths are varied to overcome the tolerance variation of the distance between the first pylon 12 and the second pylon 13 that is different from the length of the curtain spool 10. The core component 130 and the sleeve 110 are partially broken away from the third diagram. The multi-section length adjusting member 120 is a partial cutaway view of the fourth drawing.

The sleeve 110 has an open end 111, which can be a cylindrical casing. The inner space of the sleeve 110 can be mounted with internal components such as the elastic member 140 and the core assembly 130. The outer wall of the sleeve can be provided with a plurality of outer rib fixing strips. 117, the sleeve 110 is embedded and fixed in the curtain reel 10.

The multi-segment length adjustment member 120 is sleeved to the open end 111 of the sleeve 110 and rotationally moved relative to the sleeve 110. Generally, the multi-section length adjusting member 120 can be exposed at the portion of the sleeve 110. A wheel surface roughened turntable, that is, as shown in FIGS. 1 to 3, the periphery of the multi-stage length adjusting member 120 is formed as a serrated roughened tread 123 to facilitate rotation of the multi-stage length adjusting member 120. In addition, as shown in FIGS. 3 to 5, the sleeve 110 can have at least one locking hole 114, and the multi-segment length adjusting member 120 can have a retaining ring 122, which can utilize at least one, for example, a threadless positioning tip. A locking member 170 of the nail passes through the locking hole 114 and protrudes into the recessed retaining ring 122 (as shown in FIG. 6A) to prevent separation of the multi-segment length adjusting member 120 from the sleeve 110, and The multi-stage length adjustment member 120 is rotatable relative to the sleeve 110.

The core assembly 130 is housed in the sleeve 110. The core assembly 130 has a supporting protrusion 132. The core assembly 130 is axially moved by the elastic member 140 in the sleeve 110 to cause the protrusion. The shaft 131 is stretched and contracted to the guide hole 121 (as shown in Fig. 1). In this embodiment, the core assembly 130 can include an inner sleeve 133 and a mandrel 134. The inner sleeve 133 and the mandrel 134 are preferably detachably engaged without being engaged or fixed. In combination, the support protrusion 132 is located outside the inner sleeve 133, and the protrusion 131 is located at one end of the mandrel 134. Thus, the mandrel 134 can be made of a metal that is more rigid than the inner sleeve 133, and the mandrel 134 has a simple shape that does not require milling of the grooves or the formation of side ribs for shaping. The mandrel 134 can be mounted in the inner sleeve 133, and the protruding shaft 131 of the mandrel 134 can protrude from a shaft hole 136 of the inner sleeve 133 (as shown in Figures 4 and 8B). The rotation of the shaft 134 may not be limited by the inner sleeve 133. In this embodiment, the outer wall of the inner sleeve 133 may further include a plurality of ribs 135, and the inner wall of the sleeve 110 is provided with a plurality of corresponding guide grooves 112 (such as the fourth As shown in the figure, the inner sleeve 133 of the support protrusion 132 does not rotate with the rotation of the multi-stage length adjusting member 120, but is converted into a continuous rotation of the multi-stage length adjusting member 120. The inner sleeve 133 is axially reciprocated. And that The hole size of the guiding hole 121 of the multi-segment length adjusting member 120 can correspond to the outer wall of the inner sleeve 133, so that the front end of the inner sleeve 133 is guided in the guiding hole 121 to The axial movement path of the inner sleeve 133 is effectively maintained.

Additionally, the resilient member 140 can typically be a compression spring. One end of the elastic member 140 elastically presses the mandrel 134 away from the protruding shaft 131 and has one end of the retaining ring. The other end of the elastic member 140 elastically presses the inner bottom surface of the sleeve 110 relative to the open end 111. Preferably, the inner bottom surface of the sleeve 110 can be formed with a component fixing post 115 (as shown in FIG. 4) for fixing the elastic component 140 through a sleeve; more preferably, the center of the component fixing post 115 can be It is a through hole 116 to prevent the rotation adjustment of the multi-stage length adjusting member 120 from being affected by the air pressure imbalance inside and outside the sleeve 110 and to avoid cracking.

As shown in FIG. 4, the inner cylinder wall of the sleeve 110 can be provided with a convex accommodating groove 113, so that the supporting protrusion 132 of the inner sleeve 133 can be guided more deeply in the sleeve. Inside the canister 110. Preferably, the locking hole 114 is aligned with the outlet end of the protrusion receiving groove 113, and the inner sleeve 133 is prevented from being elastically fastened by the elastic member 140 when the multi-segment length adjusting member 120 is disassembled. pop up.

Moreover, the multi-segment length adjusting member 120 has an inner fitting portion that is disposed inside the sleeve 110 and fits over the open end 111, and is formed as a continuous wave ring 150, and the continuous wave ring 150 is fastened. a first contact pocket 151, a second contact pocket 152 and a third contact pocket 153 (shown in Figures 3 and 5) at different heights relative to the plane of the rotatable wheel surface thereof The contact positions of the support bumps 132 are such that the protruding shafts 131 respectively exhibit a state that does not protrude from the guiding holes 121, the semi-protrusions and the full protrusions. In this embodiment, the continuous waveform ring 150 may specifically have a first peak 161 and a second peak 162, and the first peak 161 is Larger than the second peak 162, the first contact recess 151 can be located at the top of the first peak 161, and the second contact recess 152 can be located at the top of the second peak 162, the third contact The pocket 153 can be located in a valley between the first peak 161 and the second peak 162. More specifically, the wavelength of the first peak 161 may be greater than the wavelength of the second peak 162, that is, the center point of the hole of the guiding hole 121 is not aligned with the two between the first peak 161 and the second peak 162. The wave bottom connecting line is used to improve the wavefront slope of the first peak 161 having a large wave height, so that the wavefront slope of the second peak 162 of the smaller wave height is close to facilitate the multi-segment length adjusting member 120. The labor-saving rotation adjustment.

6A and 6B show that the curtain reel fixing fitting 100 exhibits a non-protruding state at its projecting shaft 131. When the multi-segment length adjusting member 120 is arbitrarily rotated in the clockwise direction, the supporting bump 132 is contact-positioned to the first contact pocket 151 because the first contact pocket 151 is located at the first peak 161 of a larger height. At the top of the wave, the elastic member 140 has a maximum amount of compression, and the core assembly 130 will be more retracted into the sleeve 110, so that the protruding shaft 131 does not protrude from the guiding hole 121.

7A and 7B show that the curtain reel fixing fitting 100 exhibits a semi-protruding state at its projecting shaft 131. When the multi-segment length adjustment member 120 is arbitrarily rotated in the clockwise direction, the support bump 132 is brought into contact with the second contact pocket 152 because the second contact pocket 152 is located at the second peak 162 of a small height. At the top of the wave, the elastic member 140 has an intermediate amount of compression, and the core assembly 130 is half-retracted into the sleeve 110, so that the protruding shaft 131 protrudes halfway from the guiding hole 121.

8A and 8B show the curtain reel fixing fitting 100 in its fully protruding state at its projecting shaft 131. When the multi-segment length adjusting member 120 is arbitrarily rotated in the clockwise direction, the supporting protrusion 132 is contact-positioned to the third contact recess 153, because the third contact recess 153 is located at the third The bottom of the peak 161 and the second peak 162, the elastic element 140 will have a minimum amount of compression, and the core assembly 130 will face the exposed portion of the multi-section length adjusting member 120 (ie, toward the sleeve 110). The open end 111) is axially moved for the maximum length, so that the protruding shaft 131 protrudes completely from the guiding hole 121.

Therefore, the present invention provides a curtain reel fixing fitting 100 having a plurality of length adjustments, which can achieve the effect of continuously adjusting the length of the projecting shaft in a multi-stage manner without a jamming rotation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. Any simple modifications, equivalent changes and modifications made without departing from the technical scope of the present invention are still within the technical scope of the present invention.

100‧‧‧ Curtain reel fixing accessories

110‧‧‧ sleeve

114‧‧‧Lock hole

116‧‧‧through hole

117‧‧‧ outer rib fixing strip

120‧‧‧Multi-section length adjustment

122‧‧‧Anti-removal ring

123‧‧‧Roughened tread

130‧‧‧ core components

131‧‧‧

132‧‧‧Support bumps

133‧‧‧Inner casing

134‧‧‧ mandrel

135‧‧‧ Ribs

140‧‧‧Flexible components

150‧‧‧Continuous waveform ring

151‧‧‧First contact pocket

152‧‧‧Second contact pocket

153‧‧‧ third contact pocket

161‧‧‧The first peak

162‧‧‧second peak

170‧‧‧Locking parts

Claims (10)

A curtain reel fixing accessory having a plurality of length adjustments, comprising: a sleeve having an open end; a multi-segment length adjusting member sleeved to the open end of the sleeve and rotating relative to the sleeve The multi-section length adjusting member has a guiding hole; and a core assembly is disposed in the sleeve and has a protruding shaft, and the core assembly is axially moved in the sleeve by an elastic member And the protruding shaft is extended and contracted to the guiding hole; wherein the core component has a supporting bump, and the inner sleeve portion of the multi-segment length adjusting member is formed as a continuous wave ring, and the continuous wave ring has two troughs The side system is a gently rising slope surface, and the sides of the continuous waveform ring are descending slopes. When the multi-stage length adjustment member is rotated, the valley-to-peak slope is connected to the peak to the valley. The descending slope is in a circumference, and the continuous wave ring is provided with one of the first contact recess, the second contact recess and the third contact recess at different heights for the contact of the support bump Positioning, rotating the multi-segment in a two-way no-card Manner such that the length adjusting member projecting shafts are presented does not protrude to the guide hole, the projecting half full projection state. A curtain reel fixing fitting having a plurality of length adjustments according to the first aspect of the patent application, wherein the continuous wave ring system has a first peak and a second peak, the first peak is larger than the second peak, the first a contact pocket is located at a top of the first peak, the second contact pocket is located at a top of the second peak, and the third contact recess is located between the first peak and the second peak . A curtain reel fixing fitting having a plurality of length adjustments according to item 2 of the patent application scope, wherein the wavelength of the first peak is greater than the second wave The wavelength of the peak. A curtain reel fixing fitting having a plurality of length adjustments according to the first aspect of the patent application, wherein the core component comprises an inner sleeve and a mandrel, the support protrusion being located outside the inner sleeve, the protruding shaft It is located at one end of the mandrel. A curtain reel fixing fitting having a plurality of length adjustments according to the fourth aspect of the patent application, wherein the outer wall of the inner sleeve is further provided with a plurality of ribs, and the inner cylinder wall of the sleeve is provided with a plurality of corresponding guides Slide the groove. A curtain reel fixing fitting having a plurality of length adjustments according to the fourth aspect of the patent application, wherein the inner cylinder wall of the sleeve is provided with a convex accommodating groove. A plurality of length-adjustable curtain reel fixing fittings according to claim 6 wherein the sleeve has at least one locking hole, the multi-segment length adjusting member having a retaining recessed ring through which a locking member passes The locking hole protrudes into the recessed retaining ring to prevent the multi-segment length adjusting member from being separated from the sleeve, and the locking hole is aligned with the outlet end of the bump receiving groove. According to the fourth aspect of the patent application, the length of the curtain reel fixing assembly has a plurality of length adjustments, wherein the hole size of the guiding hole of the multi-section length adjusting member corresponds to the outer wall of the inner sleeve. The multi-segment length adjusting curtain length fixing assembly according to the first aspect of the patent application, wherein the multi-stage length adjusting member is a wheel roughened turntable at a portion exposed to the sleeve. A curtain reel fixing fitting having a plurality of length adjustments according to the first aspect of the patent application, wherein the sleeve is formed with a component fixing post on the inner bottom surface of the open end for fixing the elastic component, the component fixing the center of the column It is a through hole.