CN207160943U - Angle adjustment device for blind blades - Google Patents

Abstract

The utility model provides an angle adjusting device suitable for a blind blade, which comprises a base and a transmission unit; the transmission unit comprises a staggered shaft gear element and an expansion piece; the staggered shaft gear element is provided with a gear and a screw rod, and a limit hole of the gear corresponds to the second through hole of the base; the telescopic piece is connected with the telescopic section of the screw rod and can reciprocate in the telescopic section; when the telescopic piece is pulled to move from a first position to a second position of the telescopic section of the screw rod originally; when the telescopic piece is pushed, the telescopic piece is reset to the first position from the second position of the telescopic section of the screw rod; therefore, the folding phenomenon during packaging is reduced by the telescopic characteristic of the angle adjusting device.

Description

Angle adjustment device for blind blades

technical field

The utility model relates to an angle adjustment device, in particular to an angle adjustment device suitable for venetian blind blades.

Background technique

Generally, if the blinds in the known technology need to adjust the angle of the blades, the angle adjustment of the blades must be adjusted through an angle adjustment device connected to the blades. However, since the angle adjustment devices in the known technology are all fixed, the parts connected to the blind blades are often damaged during packaging and shipment. Therefore, as for how to further improve The convenience of the angle adjustment device for the blades of the venetian blinds during packaging and shipment is the object to be improved by the utility model.

Utility model content

In view of the foregoing, the purpose of this utility model is to provide an angle adjustment device suitable for adjusting the blades of the venetian blinds, and the angle adjustment device has a telescopic characteristic, which is used to greatly reduce the breakage phenomenon during packaging and effectively Improve convenience when shipping based on packaging.

In order to achieve the above object, the utility model provides an angle adjustment device suitable for blind blades, which includes:

A base is provided with an accommodating space, a first through hole and a second through hole; and the first through hole communicates with the accommodating space, and the second through hole passes through the body of the base And through the accommodating space, so that the first through hole and the second through hole can be communicated.

A transmission unit is accommodated in the accommodating space of the base; and the transmission unit includes a cross-shaft gear element and a telescopic piece connected to the cross-shaft gear element; and the cross-shaft gear element has a A gear and a screw meshed with the gear, the gear is pierced with a limit hole, and corresponds 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 It can move back and forth in the telescopic section of the screw rod; and the telescopic piece is provided with a hanging part.

Wherein, when the hanging portion of the telescopic element is pulled, the telescopic element is displaced from a first position of the telescopic section of the screw to a second position; and when the hanging portion of the telescopic element is pushed, it is made The telescopic member returns to the first position from the second position of the telescopic section of the screw rod.

Preferably, the base has a stop portion, which protrudes radially inward from the surrounding wall of the accommodating space and is adjacent to the first through hole; the telescopic member is opposite to the hanging portion There is a retaining wall at one end, which is formed by protruding radially outward from the body of the telescopic member; wherein, when the hanging part of the telescopic member is pulled, the telescopic member is pulled from the telescopic section of the screw rod. The first position is displaced to the second position, and the stop wall of the telescopic member is blocked by the stop portion of the base.

Preferably, the telescopic member is a sleeve, which is sleeved at the position of the telescopic section of the screw; and the telescopic member has a hole, and the cross section of the hole is in line with the cross section of the telescopic section of the screw rod. pattern, cross pattern, triangle pattern or polygon pattern.

Preferably, the base is further provided with a fitting portion, which is adjacent to the position of the screw of the cross-axis gear element, and protrudes radially inward from the peripheral wall of the accommodating space; and when the telescopic When the hanging portion of the telescopic element returns to the first position from the second position of the telescopic section of the screw rod, the retaining wall of the telescopic element fits into the fitting portion limited to the base.

Wherein, the fitting portion protrudes radially inward from the surrounding wall surface of the accommodating space.

Wherein, the telescoping section of the screw rod is a sleeve, which is used for sheathing the telescoping member.

Wherein, the section of the inner wall surface of the telescopic section of the screw rod conforms to the cross section of the retaining wall of the telescopic element, which is in the shape of a straight line, a cross, a triangle or a polygon.

It also includes a nut, and the hanging part of the telescopic piece is passed through the through hole of the nut, and the nut is screwed at the position of the telescopic section of the screw rod; wherein, when the hanging part of the telescopic piece is pulled So that when the telescopic member is originally displaced from the first position of the telescopic section of the screw rod to the second position, the retaining wall of the telescopic member is blocked by the bottom of the nut.

The beneficial effect of the utility model is that the angle adjustment device has a telescopic feature, so as to greatly reduce the phenomenon of breakage during packaging and effectively improve the convenience of packaging and shipping.

Description of drawings

The structural characteristics and expected effects of the utility model will be described in detail below through the enumerated embodiments and accompanying drawings, wherein:

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

FIG. 2 is a three-dimensional exploded view of the angle adjustment device according to the first preferred embodiment of the present invention.

FIG. 3 is a side view of some components of the angle adjustment device of the first preferred embodiment of the present invention and a schematic diagram of the first position application.

FIG. 4 is a side view of some components of the angle adjustment device according to the first preferred embodiment of the present invention and a schematic diagram of a second position application.

FIG. 5 is a cross-sectional view and application schematic diagram of some components of the angle adjustment device according to the second preferred embodiment of the present invention.

FIG. 6 is a cross-sectional view and application schematic diagram of some components of the angle adjustment device according to the third preferred embodiment of the present invention.

Detailed ways

First of all, in the various embodiments and diagrams described below, the same reference numerals represent the same or similar elements, components, objects, structures, systems, architectures, devices, processes, methods or steps.

Please refer to FIG. 1 , which is an angle adjustment device 10 suitable for assembly in a venetian blind 90 disclosed in the first preferred embodiment of the present utility model, and the venetian blind 90 includes a support 91 , a blade interlocking part 93, a pull cord 94, a plurality of blades 95 and an adjustment part 97; and one end of the angle adjustment device 10 is engaged and fixed on the support part 91, and the body of the angle adjustment device 10 is through a locking member (not shown in the figure) and be locked on an external wall (not shown in the figure) or a window frame (not shown in the figure); body, and the direction in which the blade linkage 93 and the plurality of blades 95 are arranged is parallel; and one end of the stay rope 94 is connected to an end of the blade linkage 93, and the stay rope 94 The other end is vertically passed through and fixed to the plurality of blades 95 ; and one end of the adjustment member 97 is hung on the angle adjustment device 10 . Based on this, when the adjusting member 97 is rotated and adjusted, the blade linkage 93 will be rotated indirectly through the angle adjustment device 10 . It can be rolled up or released, and the plurality of blades 95 are gradually folded or unfolded according to the relationship between the roll-up or release of the stay cord 94, so that the user can enjoy the window view or take a sheltered rest at will. and other effects.

Please refer to Fig. 1 to Fig. 4 together again, and it is worth mentioning that the angle adjustment device 10 includes:

A base 20 is composed of a first housing 201 and a second housing 202 corresponding to the first housing 201 and forms an accommodating space 21; preferably, the first housing 201 The inner wall of the inner wall is convexly provided with three positioning protrusions 203, which respectively correspond to the three limiting grooves 204 recessed in the inner wall of the second housing 202; and when the first housing 201 and the second housing When the body 202 is assembled, the positioning protrusions 203 of the first housing 201 are respectively embedded and fixed corresponding to the limiting grooves 204 of the second housing 202 .

The base 20 is further provided with a first through hole 23 , a second through hole 25 , a blocking portion 27 , a fitting portion 28 and a locking portion 29 . The first through hole 23 communicates with the accommodating space 21, and the second through hole 25 passes through the body of the base 20 and through the accommodating space 21, so that the first through hole 23 and the second The through holes 25 are connected; preferably, the opening direction of the first through hole 23 intersects with the opening direction of the second through hole 25 . The blocking portion 27 protrudes radially inward from the peripheral wall of the accommodating space 21 and is adjacent to the first through hole 23 , and the fitting portion 28 protrudes from the peripheral wall of the accommodating space 21 . The wall protrudes radially inward and is adjacent to the second through hole 25 . One end of the buckle portion 29 is connected to the base 20 and adjacent to the second through hole 25 of the base 20. Support 91 .

A transmission unit 30 is accommodated in the accommodating space 21 of the base 20 ; and the transmission unit 30 includes a cross-shaft gear element 40 and a telescopic element 50 connected to the cross-shaft gear element 40 .

The cross-axis gear element 40 has a gear 41 and a screw 43 engaged with the gear 41 . The gear 41 is pierced with a limiting hole 410 corresponding to the position of the second through hole 25 of the base 20 , for the blade link 93 of the venetian blind 90 to pass through the second through hole of the base 20 25 and the limiting hole 410 of the gear 41 are then limited and fixed. The screw 43 has a telescopic section 431 . It is worth mentioning that the cross-section of the telescopic section 431 is in the shape of a cross, and it can also be in the shape of a straight line, a triangle, or a polygon, but neither of them is used to limit the technical features claimed by the present invention.

The telescopic member 50 is connected to the telescopic section 431 of the screw rod 43, and can move back and forth on the telescopic section 431 of the screw rod 43; The body protrudes radially outward; and the other end of the telescopic member 50 is provided with a hanging portion 53 for the adjustment member 97 of the venetian blind 90 to be hung on. 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 in the shape of a cross to match the cross section of the telescopic section 431 of the screw rod 43. When the hole 502 of the telescopic member 50 is sleeved on the telescopic section 431 of the screw rod 43 , the function is to make the two components mesh with each other.

And in the first preferred embodiment of the utility model, the effect it wants to achieve is:

One, the angle adjustment device 10 with telescopic characteristics. Please refer to Fig. 1, Fig. 3 and Fig. 4 together, which means that when the user installs the angle adjustment device 10 on the venetian blind 90, the blade link 93 of the venetian blind 90 is passed through the The second through hole 25 of the base 20 of the angle adjustment device 10 and the limiting hole 410 of the gear 41 are fixed in position; then, the buckle part 29 of the angle adjustment device 10 is engaged and fixed on the Support member 91; then, when pulling the hanging portion 53 of the telescopic member 50 so that the telescopic member 50 is displaced from a first position of the telescopic section 431 of the screw rod 43 to a second position, the telescopic The hanging portion 53 of the member 50 protrudes from the first through hole 23 of the base 20, and the stop wall 51 of the telescopic member 50 is blocked by the stop portion 27 of the base 20; then, the The adjustment member 97 of the venetian blind 90 is hung at the position of the hanging portion 53 of the telescopic member 50 . At this time, when the user rotates the adjustment member 97 of the blind 90 clockwise or counterclockwise, it will indirectly drive The gear 41 of the cross-shaft gear element 40 also rotates clockwise or counterclockwise; at this time, the blade link 93 that indirectly drives the venetian blind 90 also rotates clockwise or counterclockwise, thereby allowing the connection The pull cord 94 on the leaf link 93 and the plurality of blades 95 connected to the pull cord 94 are rolled or released as the user turns the adjusting member 97 of the blind 90 clockwise or counterclockwise. . For this reason, the essential function of the angle adjustment device 10 having the telescoping property is completed.

Second, improve the convenience of packaging. Please refer to FIG. 1 and FIG. 3 together, that is, when the user rotates the adjustment member 97 of the venetian blind 90 again so that the plurality of blades 95 of the venetian blind 90 appear in the rolling relationship with the pull cord 94 folded shape, at this time, the adjustment part 97 of the venetian blind 90 and the telescopic part 50 of the angle adjustment device 10 are released; The telescopic part 50 is obtained from the second position of the telescopic section 431 of the screw 43 and returns to the first position again, and allows the telescopic part 50 to be accommodated in the accommodating space 21 of the base 20, so that only the telescopic part The hanging portion 53 of 50 is slightly exposed at the second through hole 25 of the base 20 . Therefore, since the telescopic member 50 of the angle adjusting device 10 can be accommodated in the accommodating space 21 of the base 20, in addition to greatly reducing the hanging portion 53 of the telescopic member 50 of the angle adjusting device 10 in the packaging The phenomenon of breakage during the time, and compared with the known technology, it is more significantly improved the convenience of shipping packaging.

Please refer to Fig. 5, which is an angle adjustment device suitable for assembly in venetian blinds disclosed by the second preferred embodiment of the present invention. at:

The gear 41 of the cross-axis gear element 40A is meshed with the screw rod 43A; the telescopic section 431A of the screw rod 43A is a sleeve, and the section of the inner wall surface 432A of the telescopic section 431A is in a cross shape, and can also be a straight line. shape, triangular shape or polygonal shape. The cross section of the retaining wall 51A of the telescopic member 50A is consistent with the cross section of the inner wall surface 432A of the telescopic section 431A of the screw rod 43A; .

Wherein, when the telescopic section 431A of the screw 43A is sheathed on the telescopic member 50A, the two components are engaged with each other, and the telescopic member 50A can move back and forth on the telescopic section 431A of the screw 43A. Preferably, when the hanging portion 53A of the telescopic member 50A is pulled so that the telescopic member 50A is displaced from the first position of the telescopic section 431A of the screw 43A to the second position, at this time, the The retaining wall 51A of the telescopic member 50A is restrained by the retaining portion 27A of the base 20A. For this reason, be to also finish that this angle adjustment device has the substantive effect of telescoping characteristic.

Please refer to Fig. 6, which is an angle adjustment device suitable for assembly in venetian blinds disclosed by the third preferred embodiment of the present invention. at:

It also includes a nut 60B for screwing on the position of the telescopic section 431B of the screw 43B of the cross-axis gear element 40B, and the nut 60B is pierced with a through hole 61B.

Similarly, the gear 41B of the cross-axis gear element 40B is engaged with the screw 43B; and the telescopic section 431B of the screw 43B is a sleeve, and the section of the inner wall 432B of the telescopic section 431B is in a cross shape, and can also be It is in the form of a single character, a triangle or a polygon. The cross section of the retaining wall 51B of the telescopic member 50B is also in a cross shape, which is consistent with the cross shape of the cross section of the inner wall surface 432B of the telescopic section 431B of the screw rod 43B. Preferably, the outer diameter of the retaining wall 51B of the telescopic member 50B is larger than the diameter of the through hole 61B of the nut 60B.

When assembling, the hanging portion 53B of the telescopic member 50B is passed through the through hole 61B of the nut 60B, and then the nut 60B is screwed to the screw rod 43B of the cross-axis gear element 40B. The position of the telescopic section 431B; at this time, the telescopic section 431B of the screw 43B is sleeved on the retaining wall 51B of the telescopic piece 50B so that the two components form a mutual meshing effect, and the telescopic piece 50B can be placed on the screw The inner wall surface 432B of the telescopic section 431B of 43B moves forward. And when the hanging part 53B of the telescopic part 50B is pulled so that the telescopic part 50B is displaced from the first position of the telescopic section 431B of the screw 43B to the second position, more due to the stop wall of the telescopic part 50B The outer diameter of 51B is larger than the diameter of the through hole 61B of the nut 60B, so that the retaining wall 51B of the telescopic member 50B can be locked against the bottom 63B of the nut 60B. For this reason, be to finish that this angle adjusting device has the substantive effect of telescoping characteristic.

Finally, it must be stated again that those who have ordinary knowledge in the technical field of the utility model should be able to clearly understand that the detailed description and the enumerated embodiments of the utility model are only suitable for describing the structure, method, and method of the utility model. process, etc. and the effect it intends to achieve, rather than to limit the scope of the patent application of the utility model, the substitution or change of other equivalent elements, components, objects, structures, devices, methods or processes shall also be included in this case covered by the claims.

Claims (9)

1. An angle adjustment device for a blind blade, characterized in that it comprises: A base is provided with an accommodating space, a first through hole and a second through hole; and the first through hole communicates with the accommodating space, and the second through hole penetrates through the body of the base and through the The accommodating space enables the first through hole to communicate with the second through hole; and A transmission unit is accommodated in the accommodating space of the base; and the transmission unit includes a cross-axis gear element and a telescopic part connected to the cross-axis gear element; and the cross-axis gear element has a gear and meshing On a screw of the gear, the gear is pierced with a limiting hole corresponding to the position of the second through hole of the base; and the telescopic element is connected to a telescopic section of the screw, and can The telescopic section moves back; and the telescopic piece is provided with a hanging part; Wherein, when the hanging portion of the telescopic element is pulled, the telescopic element is displaced from a first position of the telescopic section of the screw to a second position; and when the hanging portion of the telescopic element is pushed, the telescopic element is The telescopic member returns to the first position from the second position of the telescopic section of the screw rod. 2. The device for adjusting the angle of the blades of the blind according to claim 1, wherein the base has a stop portion, protruding radially inward from the peripheral wall of the accommodating space, and adjacent to the At the first through hole; the end of the telescopic element opposite to the hanging portion has a stop wall, and the body of the telescopic element protrudes radially outward; wherein, when the hanging portion of the telescopic element is pulled , so that the telescopic element is displaced from the first position of the telescopic section of the screw rod to the second position, and the retaining wall of the telescopic element is blocked by the stop portion of the base. 3 . The device for adjusting the angle of the blades of the blind according to claim 2 , wherein the telescopic member is a sleeve sleeved at the position of the telescopic section of the screw rod. 4 . 4. The device for adjusting the angle of the blind blades according to claim 3, wherein, the telescopic member has a hole, and the cross section of the hole conforms to the cross section of the telescopic section of the screw rod, which is a straight shape, a cross shape, triangular shape or polygonal shape. 5. The device for adjusting the angle of the blind blades according to claim 4, wherein the base is further provided with a fitting portion adjacent to the position of the screw of the cross-axis gear element, and when the telescopic When the hanging portion of the telescopic element returns to the first position from the second position of the telescopic section of the screw rod, the retaining wall of the telescopic element fits and is limited to the fitting portion of the base. 6 . The device for adjusting the angle of the blind blades according to claim 5 , wherein the fitting portion protrudes radially inward from the peripheral wall surface of the accommodating space. 6 . 7 . The device for adjusting the angle of the blind blades according to claim 2 , wherein, the telescopic section of the screw rod is a sleeve for sheathing the telescopic piece. 8 . 8. The device for adjusting the angle of the blind blades according to claim 7, wherein the section of the inner wall surface of the telescopic section of the screw rod conforms to the section of the retaining wall of the telescopic element, which is in the shape of a straight line or a cross , triangle shape or polygon shape. 9. The device for adjusting the angle of the blades of the blind according to claim 8, further comprising a nut, and the hanging part of the telescopic element is passed through the through hole of the nut, and the nut screwed at the position of the telescopic section of the screw; wherein, when the hanging part of the telescopic piece is pulled to make the telescopic piece displace from the first position of the telescopic section of the screw to the second position, the telescopic The retaining wall of the piece is blocked at the bottom of the nut.