TWM569787U - Angle adjustment device for fixing of blades of venetian blind - Google Patents

Abstract

The present invention provides an angle adjusting device suitable for a louver blade, comprising a base and a transmission unit; the transmission unit includes a staggered shaft gear assembly and a telescopic member; the staggered shaft gear assembly has a gear and a screw. a limiting hole of the gear corresponds to the second through hole of the base; the telescopic member is connected to the telescopic section of the screw and reciprocally displaceable in the telescopic section; and when the telescopic piece is pulled from the telescopic section of the original screw Displacement of a first position to a second position is such that a rib of the base is limited to a limit portion of the telescopic member; thereby, the angle adjusting device has the characteristics of telescopic locking and fixing The stability of the angle adjusting device during operation is improved.

Description

Angle adjustment device for fixed venetian blind blades

The present invention relates to an angle adjusting device, in particular to an angle adjusting device suitable for venetian blind blades and having a locking and fixing.

In the conventional blinds of the prior art, if the angles of the blades are to be adjusted, the angle adjustment of the blades must be performed by an angle adjusting device connected to the blades. However, since the angle adjusting devices in the prior art are all fixed, the parts connected to the venetian blind blades often cause breakage when the package is shipped.

Based on the convenience of further improving the angle adjustment device of the louver blade in packaging and shipping, the "angle adjustment device for the venetian blind blade" disclosed in the case of the Republic of China Patent No. TWM551651U It includes a base (icon 20) and a transmission unit (icon 30) accommodated in one of the accommodation spaces (icon 21) of the base (icon 20). The transmission unit (icon 30) includes a staggered shaft gear assembly (icon 40) and a telescoping member (icon 50) coupled to the staggered shaft gear assembly (icon 40); and the interdigitated shaft gear assembly (icon 40) There is a gear (icon 41) and a screw (icon 43) engaged with the gear (icon 41); and the telescopic member (icon 50) is connected to one of the screw (icon 43) telescopic section (icon 431) And reciprocally displaceable in the telescopic section (icon 431) of the screw (icon 43); and the telescopic member (icon 50) is provided with a dam (icon 51) and a hanging portion (icon 53); When the hanging portion (icon 53) of the telescopic member (icon 50) is pushed, the telescopic member (icon 50) protruding from the base (icon 20) is caused to pass through the telescopic section of the screw (icon 43) ( Icon 431) shifts back to the initial position. As a result, the hanging portion (icon 53) of the telescopic member (icon 50) of the venetian blade blade angle adjusting device (icon 10) is greatly reduced in packaging, and the convenience in shipping and packaging is remarkably improved.

In the case where the user pulls the hanging portion (icon 53) of the telescopic member (icon 50), the telescopic member (icon 50) is obtained from the telescopic portion (icon 431) of the original screw (icon 43). When the initial position is displaced to a preset position, the hanging portion (icon 53) of the telescopic member (icon 50) is again protruded from the base (icon 20); at this time, the telescopic member (icon) is further 50) The shackle (icon 51) is blocked from one of the dam (icon 20) stoppers (icon 27) for providing an adjustment member (icon 97) of the venetian blind (icon 90) to be attached thereto. A hanging portion (icon 53) of the telescopic member (icon 50).

However, when the user rotates the adjustment member (icon 97) of the venetian blind (icon 90) clockwise or counterclockwise, since the telescopic member (icon 50) is connected to the telescopic section of the screw (icon 43) (icon 431) The relationship will indirectly drive the gear (icon 41) of the staggered shaft gear assembly (icon 40) to rotate clockwise or counterclockwise, but because of the user's view of the blinds (icon 90) The adjustment member (icon 97) applies a clockwise or counterclockwise rotational force, thereby causing the suspension of the telescopic member (icon 50) of the transmission unit (icon 30) that originally protrudes from the base (icon 20) The fact that the part (icon 53) will be displaced again and returned to the initial position is really troublesome for the user to adjust the adjustment of the blind (icon 90) (icon 97).

Therefore, as for how to improve the above-mentioned problems, it is the purpose of the creation.

In view of the foregoing, the purpose of the present invention is to provide an angle adjusting device suitable for adjusting the louver blades, and the angle adjusting device has the characteristics of expansion and contraction and fixing, so as to effectively improve the angle adjusting device. Time stability.

In order to achieve the above object, the present invention provides an angle adjusting device suitable for a louver blade, which comprises:

a pedestal is provided with a receiving space, a first through hole, a second through hole and a blocking portion; and the first through hole is connected to the accommodating space, and the second through hole is through The body of the base penetrates through the accommodating space such that the first through hole and the second through hole are in communication; and the blocking portion protrudes radially inward from a peripheral wall surface of the accommodating space And adjacent to the first through hole, the stopping portion has at least one convex rib.

a transmission unit is disposed in the accommodating space of the pedestal; and the transmission unit includes a staggered shaft gear assembly and a telescopic member coupled to the staggered shaft gear assembly; and the interleaved shaft gear assembly has a gear And a screw engaged with the gear, the gear is threaded with a limiting hole and corresponding to the position of the second through hole of the base; and the telescopic member is connected to a telescopic section of the screw, and The telescopic section of the screw is reciprocally displaced; and the telescopic member is provided with a hanging portion and a limiting portion, and the limiting portion is formed by being recessed radially inward from the body of the telescopic member.

When the hanging portion of the telescopic member is pulled, the telescopic member is displaced from a first position of the telescopic section of the screw to a second position, and the at least one convex portion of the stopping portion of the base is allowed. The rib limit is located at the limiting portion of the telescopic member; and when the hanging portion of the telescopic member is pushed, the telescopic member is returned to the first position from the second position of the telescopic section of the screw, and the base is allowed The at least one rib of the stop portion of the seat abuts against the hanging portion of the telescopic member.

Preferably, the limiting portion of the telescopic member of the transmission unit has a shoulder surface, and when the hanging portion of the telescopic member is pulled, the telescopic member is caused from the first position of the telescopic section of the screw. Displacement to the second position, the at least one rib of the stopping portion of the base is limited to the limiting portion of the telescopic member, and the end of the at least one rib of the stopping portion is resisted by the The shoulder of the limit.

Preferably, the telescopic member has a yoke relative to one end of the hanging portion, and is formed to protrude radially outward from the body of the telescopic member, such that the limiting portion is interposed between the dam and the damper. Between the hanging portions; and when the hanging portion of the telescopic member is pulled, the telescopic member is displaced from the first position of the telescopic section of the screw to the second position, and the telescopic member is blocked The stop is blocked by the base.

Preferably, the telescopic member is a sleeve which is sleeved at a position of the telescopic section of the screw; and the telescopic member has a hole, and the cross section of the hole is consistent with the section of the telescopic section of the screw. One-word form, cross form, triangle form or polygon form.

In the following, the structural features of the present invention and their intended effects will be described in detail by way of the examples and the accompanying drawings. First, in the embodiments and drawings, the same reference numerals are used to indicate the same. Or elements, components, objects, structures, systems, structures, devices, processes, methods, or steps that are similar.

Referring to FIG. 1 , an angle adjusting device 10 for assembling a louver 90 is disclosed in the first preferred embodiment of the present invention. The venetian blind 90 includes a supporting member 91 and a control member 92. a blade linkage 93, a second ladder 94, a plurality of blades 95, and an adjustment member 97; and one end of the angle adjustment device 10 is snap-fitted to the support member 91; and the blade linkage member 93 is threaded and fixed The body of the angle adjusting device 10 and the rope control member 92, and the blade linkage member 93 is parallel to the direction in which the plurality of blades 95 are disposed; and one end of any of the ladder wires 94 is connected to the control rope a member 92, and the other end of any of the ladder cords 94 extends vertically and is coupled to the plurality of blades 95, wherein the two ladder wires 94 are connected by a strand 941 and the plurality of blades 95 are The two ladder wires 94 at opposite ends are connected through one of the strands 941; and one end of the adjusting member 97 is hung on the angle adjusting device 10. Therefore, when the adjusting member 97 is rotationally adjusted, the blade linking member 93 is indirectly rotated by the angle adjusting device 10, and at this time, the rope controlling member 92 is rotated with the blade linking member 93. The second ladder wire 94 is driven to rotate, so that the plurality of blades 95 are gradually folded or unfolded along with the direction in which the two ladder wires 94 rotate, thereby allowing the user to freely enjoy the window view or Cover the rest and other effects.

Please refer to FIGS. 1 to 4 again, wherein the angle adjusting device 10 includes:

A susceptor 20 is assembled from a first housing 201 and a second housing 202 corresponding to the first housing 201 and defines an accommodating space 21; preferably, the first housing 201 The inner wall is convexly provided with three positioning protrusions 203 respectively corresponding to the three limiting recesses 204 recessed by the inner wall of the second housing 202; and when the first housing 201 and the first When the two housings 202 are assembled, the positioning protrusions 203 of the first housing 201 are respectively embedded and fixed corresponding to the limiting recesses 204 of the second housing 202.

The base 20 further includes a first through hole 23 , a second through hole 25 , a stopping portion 27 , a fitting portion 28 , and a latching portion 29 . The first through hole 23 communicates with the accommodating space 21 , and the second through hole 25 passes through the accommodating portion 20 and penetrates the accommodating space 21 , so that the first through hole 23 and the second through hole 23 The through holes 25 are connected to each other; preferably, the opening direction of the first through holes 23 intersects with the opening direction of the second through holes 25. The stop portion 27 protrudes radially inward from the peripheral wall surface of the accommodating space 21 and forms a tenon adjacent to the first through hole 23, wherein the stop portion 27 further has The two opposite ribs 271 are both protruded toward the first through hole 23. The fitting portion 28 protrudes radially inward from the peripheral wall surface of the accommodating space 21 and forms a tenon adjacent to the second through hole 25. One end of the latching portion 29 is connected to the base 20 and adjacent to the position of the second through hole 25 of the base 20 , the latching portion 29 is configured to be engaged and fixed to the venetian blind 90 . Support member 91. It should be noted that the number of the ribs 271 of the stopping portion 27 may be at least one, and the rib 271 has elasticity.

A transmission unit 30 is disposed in the accommodating space 21 of the base 20; and the transmission unit 30 includes a staggered shaft gear assembly 40 and a telescopic member 50 coupled to the staggered shaft gear assembly 40.

The staggered shaft gear assembly 40 has a gear 41 and a screw 43 that meshes with the gear 41. The gear 41 is disposed with a position of the limiting hole 410 corresponding to the second through hole 25 of the base 20 for the blade linking member 93 of the louver 90 to pass through the second through hole 25 of the base 20 . And the limiting hole 410 of the gear 41 is fixed behind the limit. The screw 43 has a telescopic section 431. It is worth mentioning that the cross section of the telescopic section 431 is in the form of a cross, and may also be a one-word form, a triangular form or a polygonal state, but it is not intended to limit the technical features claimed by the present invention.

The telescopic member 50 is coupled to the telescopic section 431 of the screw 43 and reciprocally displaceable in the telescopic section 431 of the screw 43. The end of the telescopic member 50 has a yoke 51 from the telescopic member 50. The body is formed to protrude radially outwardly; and the other end of the telescopic member 50 is provided with a hanging portion 53 for providing the adjusting member 97 of the venetian blind 90 to be hung; and between the telescopic member 50 A stopper portion 55 is formed between the damper 51 and the member of the hanging portion 53. The stopper portion 55 is formed to be recessed radially inward from the body portion of the stretchable member 50. It is worth mentioning that the telescopic member 50 is a sleeve, and the telescopic member 50 has a hole 502, and the cross section of the hole 502 is matched with the cross section of the telescopic section 431 of the screw 43 in a cross shape. When the hole 502 of the telescopic member 50 is sleeved on the telescopic section 431 of the screw 43, the intermeshing effect is formed between the two members.

In the first preferred embodiment of the present invention, the desired effect is:

First, the angle adjusting device 10 has a telescopic characteristic and a fixing function. Please refer to FIGS. 1 to 4 again, that is, when the user installs the angle adjusting device 10 on the venetian blind 90, the blade linkage 93 of the venetian blind 90 is worn at the angle adjustment. The second through hole 25 of the base 20 of the device 10 and the limiting hole 410 of the gear 41 are then fixed in position; then, the locking portion 29 of the angle adjusting device 10 is engaged and fixed to the supporting member 91. Then, when the hanging portion 53 of the telescopic member 50 is pulled to displace the telescopic member 50 from a first position of the telescopic section 431 of the screw 43 to a second position, the telescopic member 50 can be made The mounting portion 53 protrudes from the first through hole 23 of the base 20, and the retaining ring 51 of the telescopic member 50 is blocked by the stopping portion 27 of the base 20. At this time, preferably, Referring to FIG. 4 again, the two elastic ribs 271 of the stopping portion 27 are respectively disposed in the limiting portion 55 of the telescopic member 50. More preferably, the blocking is performed. The end of the two ribs 271 of the portion 27 respectively abuts against a ring-shaped shoulder surface 551 formed by the limiting portion 55, so that the telescopic member 50 can be clamped and fixed; The adjusting member 97 of the venetian blind 90 is hung at the position of the hanging portion 53 of the telescopic member 50.

When the user rotates the adjusting member 97 of the blind 90 by clockwise or counterclockwise, the hole 502 of the telescopic member 50 is sleeved and engaged with the telescopic section 431 of the screw 43, which will indirectly drive The gear 41 of the staggered shaft gear assembly 40 also rotates clockwise or counterclockwise; at this time, the blade linkage 93 of the venetian blind 90 is indirectly rotated clockwise or counterclockwise, thereby allowing connection The two ladder cords 94 of the rope control member 92 and the plurality of blades 95 connected to the two ladder cords 94 are in a state of being gradually folded or unfolded; preferably, when the user adjusts the blinds 90 When the piece 97 is subjected to a clockwise or counterclockwise rotational force, the two ribs 271 of the stop portion 27 of the base 20 are restrained and abut against the ring of the limiting portion 55 of the telescopic member 50. The relationship of the shoulder surface 551 does not cause the displacement of the telescopic member 50 again. Therefore, the angular adjustment device 10 has the substantial effect of the telescopic characteristic and the card fixation.

Second, the angle adjusting device 10 has an effect of clamping. Please refer to FIGS. 1 to 4 again, that is, when the user disassembles the adjusting member 97 of the venetian blind 90 and the telescopic member 50 of the angle adjusting device 10, and again transmits the elastic member 50. The hanging portion 53 applies an upward thrust until the end of the two ribs 271 of the stop portion 27 of the base 20 is prevented from abutting against the force of the annular shoulder surface 551 of the limiting portion 55. The second rib 271 is further withdrawn from the limiting portion 55; then, the hanging portion 53 of the telescopic member 50 can be continuously pushed so that the telescopic member 50 is obtained from the second portion of the telescopic section 431 of the screw 43. The position is again restored to the first position, and the telescopic member 50 can be folded into the accommodating space 21 of the base 20, so that only the hanging portion 53 of the telescopic member 50 is slightly exposed to the pedestal 20 a through hole 23; preferably, the two ribs 271 of the stopping portion 27 of the base 20 are abutted against the hanging portion 53 of the telescopic member 50, and are formed with the telescopic member 50 interposed therebetween. The technical effect of the hanging portion 53.

Please refer to FIGS. 5-7, which is an angle adjusting device suitable for assembly in a louver according to a second preferred embodiment of the present invention. The main structure is the same as the first preferred embodiment. the difference lies in:

The gear 41A of the cross-shaft gear assembly 40A is engaged with the screw 43A; the telescopic section 431A of the screw 43A is a sleeve, and the inner wall surface 432A of the telescopic section 431A has a cross section or a cross section. Word form, triangle form or polygon form. The cross-section of the rib 51A of the telescopic member 50A conforms to the cross-section of the inner wall surface 432A of the telescopic section 431A of the screw 43A. The telescopic member 50A can be stretched and stretched by the screw 43A. Segment 431A.

Similarly, the blocking portion 27A of the base 20A protrudes radially inward from the peripheral wall surface of the accommodating space 21A and forms a tenon adjacent to the first through hole 23A, wherein the blocking portion The stopper portion 27A has two opposite ribs 271A and both protrude in the direction of the first through hole 23A. The stopper portion 55A interposed between the damper 51A of the stretchable member 50A and the member of the hanging portion 53A is formed to be recessed radially inward from the body portion of the stretchable member 50A.

When the telescopic section 431A of the screw 43A is sleeved on the telescopic member 50A, the intermeshing effect is formed between the two members, and the telescopic member 50A can be reciprocally displaced in the telescopic section 431A of the screw 43A. Preferably, when the hanging portion 53A of the telescopic member 50A is pulled to displace the telescopic member 50A from the first position of the telescopic section 431A of the screw 43A to the second position, at this time, The stopper 51A of the telescopic member 50A is blocked by the stopper portion 27A of the base 20A. Preferably, please refer to FIGS. 5 and 7 again, so that the two ribs 271A of the stopping portion 27A are respectively restricted to the limiting portion 55A of the telescopic member 50A; more preferably, The end of the two ribs 271A of the stopper portion 27A respectively abuts against a ring-shaped shoulder surface 551A formed by the limiting portion 55A, so that the telescopic member 50A is locked and fixed. Therefore, the effect of the angle adjusting device having the telescopic characteristics and the fixing of the card is also completed.

Finally, it must be stated again that those having ordinary knowledge in the technical field of the present invention should be able to clearly understand that the detailed description and the examples listed in the present application are only suitable for explaining the structure, method, process, etc. of the present invention. The scope of the patent application is not intended to limit the scope of the patent application scope of the present invention. The substitution or variation of other equivalent elements, components, objects, structures, devices, methods or processes shall also be the scope of the patent application of this case. Covered.

10‧‧‧ Angle adjustment device
20, 20A‧‧‧ Pedestal
201‧‧‧First housing
202‧‧‧Second housing
203‧‧‧ positioning cam
204‧‧‧ Limit groove
21, 21A‧‧‧ accommodating space
23, 23A‧‧‧ first through hole
25‧‧‧Second through hole
27, 27A‧‧ ‧ stop
271, 271A‧‧ rib
28‧‧‧Mate
29‧‧‧Snap Department
30‧‧‧Transmission unit
40, 40A‧‧‧Interlaced shaft gear assembly
41, 41A‧‧‧ gears
410‧‧‧Limited holes
43, 43A‧‧‧ screw
431, 431A‧‧ ‧ telescopic section
432A‧‧‧ inner wall
50, 50A‧‧‧ telescopic parts
502‧‧‧ hole
51, 51A‧‧ ‧ blocking
53, 53A‧‧‧Hid Department
55, 55A‧‧‧Limited
551, 551A‧‧‧ shoulder
90‧‧‧ venetian blinds
91‧‧‧Support
92‧‧‧Control rope parts
93‧‧‧ Blade linkage
94‧‧‧Ladder rope
941‧‧‧rope
95‧‧‧ leaves
97‧‧‧Adjustment

Figure 1 is a schematic diagram of the application of the first preferred embodiment of the present invention.

FIG. 2 is a perspective exploded view of the angle adjusting device of the first preferred embodiment of the present invention.

Figure 3 is a cross-sectional view showing a part of the angle adjusting device of the first preferred embodiment of the present invention and a schematic view of the first position application.

FIG. 4 is a partial cross-sectional view and a second position application diagram of the angle adjusting device according to the first preferred embodiment of the present invention.

Figure 5 is a perspective exploded view of the angle adjusting device of the second preferred embodiment of the present invention.

Figure 6 is a cross-sectional view showing a part of the angle adjusting device and a first position application diagram of the second preferred embodiment of the present invention.

Figure 7 is a cross-sectional view showing a part of the angle adjusting device and a second position application diagram of the second preferred embodiment of the present invention.

Claims (9)

An angle adjusting device for a blind, comprising: a base, an accommodating space, a first through hole, a second through hole and a stopping portion; and the first through hole is connected to In the accommodating space, the second through hole is penetrated through the accommodating body and penetrates the accommodating space, so that the first through hole and the second through hole are in communication; and the stopping portion is from the a peripheral wall surface of the accommodating space protrudes inwardly and adjacent to the first through hole, the stopping portion has at least one rib; and a transmission unit is disposed in the accommodating space of the pedestal The transmission unit includes a staggered shaft gear assembly and a telescopic member coupled to the staggered shaft gear assembly; and the staggered shaft gear assembly has a gear and a screw engaged with the gear, the gear is threaded a limiting hole corresponding to the position of the second through hole of the base; and the telescopic member is connected to a telescopic section of the screw and reciprocally displaceable in the telescopic section of the screw; and the telescopic member is provided There is a hanging portion and a limiting portion, and the limiting portion is The body of the telescopic member is formed to be recessed radially inwardly; wherein, when the hanging portion of the telescopic member is pulled, the telescopic member is displaced from a first position of the telescopic section of the screw to a first position a second position, wherein the at least one rib of the stopping portion of the base is limited to the limiting portion of the telescopic member; and when the hanging portion of the telescopic member is pushed, the telescopic member is stretched from the screw The second position of the segment is reset to the first position, and the at least one rib of the stop portion of the base is abutted against the hanging portion of the telescopic member. The angle adjusting device according to claim 1, wherein the telescopic member has a yoke with respect to one end of the hanging portion, and protrudes radially outward from the body of the telescopic member. Forming such that the limiting portion is interposed between the retaining portion and the hanging portion; and when the hanging portion of the telescopic member is pulled, the telescopic member is displaced from the first position of the telescopic section of the screw And to the second position, and the damper of the telescopic member is blocked by the stopping portion of the base. The angle adjusting device according to claim 2, wherein the telescopic member is a sleeve that is sleeved at a position of the telescopic section of the screw. The angle adjusting device according to claim 3, wherein the telescopic member has a hole, and the cross section of the hole conforms to a cross section of the telescopic section of the screw in a shape of a letter, a cross shape, Triangle or polygon. The angle adjusting device according to claim 4, wherein the base is further provided with a fitting portion adjacent to a position of a screw of the staggered shaft gear assembly, and when the telescopic member is pushed When the telescopic member is repositioned from the second position of the telescopic section of the screw to the first position, the locking engagement of the telescopic member is limited to the fitting portion of the base. The angle adjusting device according to claim 5, wherein the fitting portion projects radially inward from a peripheral wall surface of the accommodating space. The angle adjusting device according to claim 2, wherein the telescopic section of the screw is a sleeve for fitting the telescopic member. The angle adjusting device according to claim 7, wherein the cross section of the inner wall surface of the telescopic section of the screw conforms to the cross section of the retaining member of the telescopic member in a single shape, a cross shape, and a triangle. Form or polygon state. The angle adjusting device according to any one of claims 1 to 8, wherein the limiting portion of the telescopic member of the transmission unit has a shoulder surface, and when the stretching member is pulled And displacing the telescopic member from the first position of the telescopic section of the screw to the second position, and limiting the at least one rib of the stopping portion of the base to the limit of the telescopic member And abutting the end of the at least one rib of the stopping portion against the shoulder surface of the limiting portion.