Curtain front pull bead system and curtain

Abstract

The utility model relates to the technical field of curtains, and discloses a curtain front-arranged pull bead system and a curtain, the pull bead system comprises an extension part (32) connected with a transmission shell (31), the front side of a curtain box shell (1) is provided with an open groove (101), and the extension part (32) penetrates through the open groove (101) and is connected with a pull bead mechanism (4) used for installing a pull bead chain (41), so that the pull bead chain (41) is far away from the curtain box shell (1); according to the bead pulling system, the bead pulling chain is arranged on the front side of the curtain box shell, so that the bead pulling chain is far away from the curtain box shell, and the noise generated by collision of the curtain box shell when the bead pulling chain is used is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of curtains, in particular to a curtain front bead system and a curtain. Background Art

[0002] Curtains have functions such as sunshade, heat insulation, indoor light regulation, and interior decoration, including roller blinds, venetian blinds, honeycomb blinds, Roman blinds, etc. For example, venetian blinds are mainly made of aluminum alloy, wood and bamboo paint, and the incident light is controlled by adjusting the angle of the curtains. The angle of the curtains can be adjusted to the most suitable position. It has the characteristics of being durable, easy to clean, non-aging, non-fading, sunshade, heat insulation, breathable and fireproof, and is suitable for high-end office buildings, living rooms, hotels, villas and other places.

[0003] Among the existing curtains, there is a bead-type Venetian blind with the authorization publication number CN202441238U, which includes an upper rail (i.e., a curtain box), a lower rail, blades, and a bead chain. The upper rail is sequentially provided with a fixed seat, a bead-pulling device, a winding wheel, and a metal rod. The bead-pulling device is composed of a fixed large wheel and a group of movable small wheels. The Venetian blind is only equipped with a bead chain to control the lifting and opening and closing of the curtain, which is convenient to use. However, the bead chain is located on one side of the curtain box, and the bead chain passes through the lower part of the curtain box shell. When the bead chain is pulled, the bead chain often collides with the curtain box shell to generate noise, affecting the user experience. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present utility model is to provide a curtain front bead system and a curtain, wherein the bead system places a bead chain on the front side of a curtain box shell, so that the bead chain is away from the curtain box shell, thereby reducing the noise generated by the bead chain colliding with the curtain box shell when in use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The curtain has a front bead pulling system, the curtain includes a curtain box shell, a winding mechanism arranged in the curtain box shell and a transmission mechanism for driving the winding mechanism to work, the transmission mechanism includes a transmission shell installed in the curtain box shell, the bead pulling system includes an extension part connected to the transmission shell, the front side of the curtain box shell is provided with a slot, the extension part passes through the slot and is connected to the bead pulling mechanism for installing a bead pulling chain, so as to realize that the bead pulling chain is away from the curtain box shell, thereby reducing the noise generated by the collision of the bead pulling chain with the curtain box shell when in use.

[0007] Preferably, the bead pulling mechanism and the transmission mechanism are connected via a bevel gear set, so that the bevel gear set and the transmission mechanism cooperate to pull the bead pulling chain to drive the winding mechanism to wind or loosen the wire, thereby realizing the folding or unfolding of the curtain.

[0008] Preferably, the bevel gear set includes a first bevel gear connected to the ball pulling mechanism and a second bevel gear connected to the transmission mechanism, and the first bevel gear and the second bevel gear are meshed with each other.

[0009] Preferably, the bead pulling mechanism comprises a bead pulling wheel, and a plurality of accommodating grooves for accommodating beads are provided on the circumference of the bead pulling wheel, so as to drive the bead pulling wheel to rotate when the bead pulling chain is pulled.

[0010] Preferably, the bead wheel is connected to the first bevel gear via a cross shaft, so that the first bevel gear is synchronously driven to rotate when the bead wheel rotates.

[0011] Preferably, a covering shell is provided on the outer side of the bead wheel.

[0012] Preferably, the second bevel gear includes a bevel gear portion and a transmission wheel connected to the bevel gear portion, the transmission mechanism includes a plurality of planetary wheels arranged on the peripheral side of the transmission wheel, a planetary carrier for mounting the planetary wheels, and an outer peripheral wheel arranged on the inner wall of the transmission housing, the transmission wheel is meshingly connected with the planetary wheels, the planetary wheels are meshingly connected with the outer peripheral wheel, and the planetary carrier is connected with the winding mechanism to drive the winding mechanism to work through the second bevel gear.

[0013] Preferably, it also includes a fixing seat, a support rod is provided on the side of the fixing seat facing the bevel gear part, a U-shaped groove is opened on the side of the support rod facing the bevel gear part, and a protrusion is provided on the side of the bevel gear part facing the support rod, and the protrusion is inserted into the U-shaped groove to install the second bevel gear.

[0014] Preferably, the first bevel gear is provided with a gear shaft passing through the U-shaped groove, and the transmission housing is provided with a sleeve bearing matching with the gear shaft. After the gear shaft passes through the U-shaped groove, it is inserted into the sleeve bearing to install the first bevel gear.

[0015] Preferably, the fixing seat is provided with a plurality of first clips and / or first slots, and the transmission housing is provided with a plurality of second slots and / or second clips, so that when the first clips are engaged with the second slots, and the first slots are engaged with the second clips, the fixing seat is connected to the transmission housing.

[0016] A curtain comprises the above-mentioned curtain front bead system, and also comprises a front baffle installed on the front side of the curtain box shell, and an upper baffle installed on the top surface of the curtain box shell.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The bead pulling system of the utility model is provided with an extension part on the transmission housing, and the extension part penetrates the curtain box housing, so that the bead pulling chain is placed on the front side of the curtain box housing, and the bead pulling chain is away from the curtain box housing, thereby reducing the noise generated by the collision of the bead pulling chain with the curtain box housing when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram I of the front bead pull system of the curtain.

[0020] Figure 2 This is the structural schematic diagram II of the front bead system of the curtain.

[0021] Figure 3 This is a schematic diagram of the split structure of the front bead system of this curtain.

[0022] Figure 4 This is a schematic diagram of the structure of the transmission housing and the fixing seat in the front bead pulling system of the curtain.

[0023] Figure 5 This is a schematic diagram of the structure of the fixing seat in the front bead system of the curtain.

[0024] Figure 6 The diagram is a structural diagram of a curtain including a curtain front bead system.

[0025] Figure 7 This is a schematic diagram of the split structure of a curtain including a curtain front bead system.

[0026] Figure 8 It is a structural schematic diagram of a curtain including a curtain front bead system in an unfolded state.

[0027] Fig. 9 It is a structural schematic diagram of a curtain in a folded state including a curtain front bead system.

[0028] Fig.10 The diagram is a structural diagram of a curtain including a curtain front bead system.

[0029] In the accompanying drawings: 1-curtain box shell, 101-slot, 2-winding mechanism, 3-transmission mechanism, 31-transmission shell, 311-second slot, 312-second buckle, 32-extension portion, 33-planetary gear, 34-planetary carrier, 35-peripheral wheel, 36-sleeve bearing, 4-bead pulling mechanism, 41-bead pulling chain, 42-bead pulling wheel, 421-accommodating groove, 422-covering shell, 5-first bevel gear, 51-gear shaft, 6-second bevel gear, 61-bevel gear part, 611-protrusion, 62-transmission wheel, 7-cross shaft, 8-fixed seat, 81-first buckle, 82-first slot, 9-support rod, 91-U-shaped groove, 10-front baffle, 11-upper baffle. DETAILED DESCRIPTION

[0030] Embodiment 1: In an existing curtain system, the curtain comprises a curtain box housing 1 , a winding mechanism 2 disposed in the curtain box housing 1 , and a transmission mechanism 3 for driving the winding mechanism 2 to work. The transmission mechanism 3 comprises a transmission housing 31 installed in the curtain box housing 1 .

[0031] A curtain front bead system provided by a preferred embodiment of the utility model comprises an extension part 32 connected to a transmission housing 31, a slot 101 is provided on the front side of a curtain box housing 1, and the extension part 32 passes through the slot 101 and is connected to a bead mechanism 4 for installing a bead chain 41. The bead system places the bead chain 41 on the front side of the curtain box housing 1, so that the bead chain 41 is away from the curtain box housing 1, thereby reducing the noise generated by the bead chain 41 colliding with the curtain box housing 1 when in use.

[0032] The bead pulling mechanism 4 includes a bead pulling wheel 42 , and a plurality of receiving grooves 421 for receiving beads are arranged on the circumference of the bead pulling wheel 42 , so that the bead pulling wheel 42 is driven to rotate when the bead pulling chain 41 is pulled. A covering shell 422 is arranged on the outer side of the bead pulling wheel 42 .

[0033] The bead pulling mechanism 4 is connected to the transmission mechanism 3 via a bevel gear set, so that the bevel gear set and the transmission mechanism 3 cooperate to pull the bead pulling chain 41 to drive the winding mechanism 2 to wind or loosen the wire, thereby realizing the folding or unfolding of the curtain.

[0034] Embodiment 2: A curtain front bead pulling system provided by a preferred embodiment of the utility model is different from the above embodiments only in that: the bevel gear set includes a first bevel gear 5 connected to the bead pulling mechanism 4 and a second bevel gear 6 connected to the transmission mechanism 3, the first bevel gear 5 and the second bevel gear 6 are meshed with each other, and the bead pulling wheel 42 is connected to the first bevel gear 5 through a cross shaft 7, so that when the bead pulling wheel 42 rotates, the first bevel gear 5 is synchronously driven to rotate.

[0035] Embodiment 3: A curtain front bead pull system provided by a preferred embodiment of the present invention differs from the above embodiments only in that: the second bevel gear 6 includes a bevel gear portion 61 and a transmission wheel 62 connected to the bevel gear portion 61, the transmission mechanism 3 includes a plurality of planetary gears 33 arranged on the peripheral side of the transmission wheel 62, a planetary carrier 34 for mounting the planetary gears 33 and an outer peripheral wheel 35 arranged on the inner wall of the transmission housing 31, the transmission wheel 62 is meshedly connected with the planetary gears 33, the planetary gears 33 are meshedly connected with the outer peripheral wheel 35, and the planetary carrier 34 is connected with the winding mechanism 2 to drive the winding mechanism 2 to work through the second bevel gear 6.

[0036] Embodiment 4: The curtain front bead system provided by a preferred embodiment of the utility model is different from the above embodiments only in that it also includes a fixing seat 8, a support rod 9 is provided on the side of the fixing seat 8 facing the bevel gear part 61, a U-shaped groove 91 is provided on the side of the support rod 9 facing the bevel gear part 61, and a protrusion 611 is provided on the side of the bevel gear part 61 facing the support rod 9, and the protrusion 611 is inserted into the U-shaped groove 91 to install the second bevel gear 6. The first bevel gear 5 is provided with a gear shaft 51 passing through the U-shaped groove 91, and the transmission housing 31 is provided with a sleeve bearing 36 matched with the gear shaft 51. After the gear shaft 51 passes through the U-shaped groove 91, it is inserted into the sleeve bearing 36 to install the first bevel gear 5.

[0037] The fixing base 8 is provided with a plurality of first clips 81 and / or first slots 82, and the transmission housing 31 is provided with a plurality of second slots 311 and / or second clips 312, so that when the first clips 81 are engaged with the second slots 311, and the first slots 82 are engaged with the second clips 312, the fixing base 8 is connected to the transmission housing 31.

[0038] Embodiment 5: A curtain provided by a preferred embodiment of the utility model includes the front bead system in the above-mentioned embodiment, with the only difference being that it also includes a front baffle 10 installed on the front side of the curtain box shell 1, and an upper baffle 11 installed on the top surface of the curtain box shell 1, so that when the blinds are folded, the blinds will not leak out, which is more beautiful and also has a certain dustproof function.

Claims

1. A curtain front bead system, the curtain comprising a curtain box housing (1), a winding mechanism (2) arranged in the curtain box housing (1), and a transmission mechanism (3) for driving the winding mechanism (2) to work, the transmission mechanism (3) comprising a transmission housing (31) installed in the curtain box housing (1), characterized in that: The bead pulling system comprises an extension portion (32) connected to a transmission housing (31); a groove (101) is provided on the front side of the curtain box housing (1); the extension portion (32) passes through the groove (101) and is connected to a bead pulling mechanism (4) for installing a bead pulling chain (41), so that the bead pulling chain (41) is kept away from the curtain box housing (1), thereby reducing the noise generated by the bead pulling chain colliding with the curtain box housing (1) when in use.

2. The curtain front bead system according to claim 1, characterized in that: The bead pulling mechanism (4) and the transmission mechanism (3) are connected via a bevel gear set, so that the bevel gear set and the transmission mechanism (3) cooperate to pull the bead pulling chain (41) to drive the winding mechanism (2) to wind or loosen the wire, thereby realizing the folding or unfolding of the curtain.

3. The curtain front bead system according to claim 2, characterized in that: The bevel gear set comprises a first bevel gear (5) connected to the ball pulling mechanism (4) and a second bevel gear (6) connected to the transmission mechanism (3); the first bevel gear (5) and the second bevel gear (6) are meshed with each other.

4. The curtain front bead system according to claim 3, characterized in that: The bead pulling mechanism (4) comprises a bead pulling wheel (42), and a plurality of accommodating grooves (421) for accommodating beads are arranged on the circumference of the bead pulling wheel (42), so as to drive the bead pulling wheel (42) to rotate when the bead pulling chain (41) is pulled.

5. The curtain front bead system according to claim 4, characterized in that: The bead puller wheel (42) is connected to the first bevel gear (5) via a cross shaft (7), so that when the bead puller wheel (42) rotates, the first bevel gear (5) is synchronously driven to rotate.

6. The curtain front bead system according to claim 4, characterized in that: A covering shell (422) is provided on the outer side of the bead pulling wheel (42).

7. The curtain front bead system according to claim 5, characterized in that: The second bevel gear (6) comprises a bevel gear portion (61) and a transmission wheel (62) connected to the bevel gear portion (61); the transmission mechanism (3) comprises a plurality of planetary wheels (33) arranged on the peripheral side of the transmission wheel (62), a planetary carrier (34) for mounting the planetary wheels (33), and an outer peripheral wheel (35) arranged on the inner wall of the transmission housing (31); the transmission wheel (62) is meshedly connected with the planetary wheels (33), the planetary wheels (33) are meshedly connected with the outer peripheral wheel (35), and the planetary carrier (34) is connected with the winding mechanism (2) so as to drive the winding mechanism (2) to work through the second bevel gear (6).

8. The curtain front bead system according to claim 7, characterized in that: The invention also comprises a fixing seat (8), wherein a support rod (9) is provided on the side of the fixing seat (8) facing the bevel gear portion (61), a U-shaped groove (91) is provided on the side of the support rod (9) facing the bevel gear portion (61), and a protrusion (611) is provided on the side of the bevel gear portion (61) facing the support rod (9), and the protrusion (611) is inserted into the U-shaped groove (91) to install the second bevel gear (6).

9. The curtain front bead system according to claim 8, characterized in that: The first bevel gear (5) is provided with a gear shaft (51) passing through the U-shaped groove (91), and the transmission housing (31) is provided with a sleeve bearing (36) matched with the gear shaft (51). After the gear shaft (51) passes through the U-shaped groove (91), it is inserted into the sleeve bearing (36) to install the first bevel gear (5).

10. A curtain, characterized in that: The curtain front bead system comprises any one of claims 1 to 9, further comprising a front baffle (10) mounted on the front side of the curtain box housing (1), and an upper baffle (11) mounted on the top surface of the curtain box housing (1).

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