Pulley pre-fixing device of curtain track

Abstract

The utility model relates to a pulley pre-fixing device of a curtain track. The technical problems that an existing tackle part cannot be fixed, so that collision occurs during transportation, and operation is tedious during installation are solved. Comprising transmission box bodies arranged at the two ends of a telescopic rail, one side of each transmission box body is provided with a tackle installation groove communicated with a rail groove in one side of the telescopic rail, and a tackle body capable of sliding into the rail groove is arranged in each tackle installation groove. One side of the transmission box body is provided with a tackle loading opening which is located in the side, away from the track groove, of the tackle mounting groove and communicated with the tackle mounting groove, and a tackle pre-fixing piece is detachably arranged in the tackle loading opening and detachably connected with the tackle body. The pulley has the advantages that the pulley body is fixed through the pulley pre-fixing part, so that the pulley body cannot move in the transportation process, damage is reduced, meanwhile, when the length of the telescopic track is adjusted, due to the fact that the pulley body is fixed, the pulley body can move along with the telescopic track, the use length of the synchronous belt can be determined more easily, and time is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric curtain equipment, and in particular relates to a pulley pre-fixing device for a curtain track. Background Art

[0002] Existing electric curtains use two pulleys to drive the opening and closing of the curtains. Therefore, in order to save installation time, the two pulleys are pre-installed on both sides of the track profile and inserted into the synchronous belt before leaving the factory. However, the electric curtains will shake during transportation, and the pulleys have no fixing devices, which will cause them to move in the track profile and collide and cause damage. At the same time, the electric curtains need to adjust the length of the track profile according to the installation situation. Since the pulleys cannot be fixed, the synchronous belt cannot be adjusted along with the adjusted length of the track profile, and the pulleys need to be manually pulled to adjust the length of the synchronous belt, which is more cumbersome. Summary of the invention

[0003] The utility model aims to solve the above problems and provides a pulley pre-fixing device for a curtain track.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a pulley pre-fixing device for a curtain track, comprising a transmission box body arranged at both ends of the telescopic track, one side of the transmission box body having a pulley installation groove connected to the track groove on one side of the telescopic track, the pulley installation groove having a pulley body that can slide into the track groove, one side of the transmission box body having a pulley loading port located on the side of the pulley installation groove away from the track groove and connected to the pulley installation groove, a pulley pre-fixing part is detachably arranged in the pulley loading port, and the pulley pre-fixing part is detachably connected to the pulley body. The pulley pre-fixing part is used to fix the pulley body before use to avoid damage to the pulley body, while keeping the two pulley bodies in a symmetrical position, and the pulley pre-fixing part can be removed for normal use during use, which is simple to operate and convenient for on-site installation.

[0005] In the above-mentioned pulley pre-fixing device for a curtain track, the pulley loading port is rectangular, the width of the pulley loading port is respectively greater than the width of the pulley installation groove and the pulley body, and the width of the pulley body is greater than the width of the pulley installation groove. The pulley loading port is used to install the pulley body into the transmission box, and the pulley installation groove is used to slide the pulley body into the track groove. At the same time, the pulley installation groove can prevent the pulley body from falling off.

[0006] In the above-mentioned pulley pre-fixing device for a curtain track, a synchronous belt is inserted into the telescopic track, and the pulley bodies are symmetrically arranged at both ends of the synchronous belt. The synchronous belt is connected to the pulley body. When the length of the telescopic track is adjusted to the desired position, the redundant synchronous belt is cut off, and the telescopic track can operate normally.

[0007] In the above-mentioned pre-fixing device for a pulley of a curtain track, the pulley pre-fixing member includes a fixing member base that can close the pulley insertion opening. One side of the fixing member base is positioned at the pulley insertion opening through a first detachable positioning component. The other side of the fixing member base is provided with a pulley pre-fixing portion extending to both sides of the pulley body, and the pulley pre-fixing portion is connected to the pulley body through a second detachable positioning component. The fixing member base can prevent the pulley body from sliding out from the pulley insertion opening, and the pulley pre-fixing portion can prevent the pulley body from shaking.

[0008] In the above-mentioned pre-fixing device for a pulley of a curtain track, the first detachable positioning component includes a long insertion plate vertically arranged on the lower side of the end of the fixing member base away from the pulley installation groove. Both sides of the long insertion plate respectively have extension portions perpendicular to the long insertion plate and extending to both sides of the fixing member base. Both sides of the end of the fixing member base close to the pulley installation groove are provided with short insertion plates, and an elastic buckle portion vertically arranged and capable of being clamped with the pulley insertion opening is provided between the short insertion plates and the extension portions. The long insertion plate and the short insertion plate can ensure the connection stability of the pulley pre-fixing member, and at the same time, the elastic buckle portion can prevent the pulley pre-fixing member from falling off.

[0009] In the above-mentioned pre-fixing device for a pulley of a curtain track, the number of the pulley pre-fixing portions is two and they are arranged in parallel. The corresponding same ends of the pulley pre-fixing portions are connected through a connecting portion, and both the pulley pre-fixing portions and the connecting portion are integrally formed on the fixing member base.

[0010] In the above-mentioned pre-fixing device for a pulley of a curtain track, a gap for inserting the pulley body is formed between the two pulley pre-fixing portions. A notch corresponding to the gap is provided on the fixing member base, and one side of the long insertion plate has a limiting portion extending to one side of the lower end of the notch. The gap and the notch facilitate the connection between the pulley pre-fixing member and the pulley body.

[0011] In the above-mentioned pre-fixing device for a pulley of a curtain track, the second detachable positioning component includes hook bodies symmetrically arranged on the corresponding sides of the two pulley pre-fixing portions respectively. The pulley pre-fixing portion is made of an elastic material and the hook bodies are respectively clamped on the side portion of the pulley body. The pulley body is fixed by using the hook bodies to prevent the pulley body from moving.

[0012] In the above-mentioned pre-fixing device for a pulley of a curtain track, base buckle grooves located inside the pulley insertion opening and above the elastic buckle portion are provided on both sides of the fixing member base, and pulley buckle grooves are provided on the sides of the pulley pre-fixing portions close to each other. The base buckle grooves are used for removing the pulley pre-fixing member from the pulley insertion opening, and the pulley buckle grooves are used for the pulley pre-fixing member to release the pulley body.

[0013] In the above-mentioned pre-fixing device for a pulley of a curtain track, an inlet cover for replacing the pre-fixed pulley is provided at the pulley inlet, and the inlet cover is connected to the pulley inlet in a snap-fit manner. After the synchronous belt is trimmed, the pre-fixed pulley is removed, and the pulley body starts to run normally. At the same time, the use of the inlet cover can prevent the pulley body from falling off.

[0014] Compared with the existing technology, the advantages of the present utility model are as follows:

[0015] The device uses the pulley pre-fixing part to fix the pulley body, so that the pulley body will not move during transportation, reducing damage. At the same time, when adjusting the length of the telescopic track, since the pulley body is fixed, the pulley body will move along with the telescopic track, making it easier to determine the use length of the synchronous belt and saving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model.

[0017] Figure 2 is a partial schematic diagram of the present utility model.

[0018] Figure 3 is a schematic structural diagram of the transmission box body in the present utility model.

[0019] Figure 4 is a schematic structural diagram of the pre-fixed pulley in the present utility model.

[0020] Figure 5 is a schematic structural diagram of the pre-fixed pulley from another perspective in the present utility model.

[0021] Figure 6 is a schematic structural diagram of the inlet cover in the present utility model.

[0022] In the figure: telescopic track 1, track groove 11, synchronous belt 12, transmission box body 2, pulley installation groove 21, pulley inlet 22, pulley body 3, pre-fixed pulley 4, fixing part base 41, pulley pre-fixing part 42, connecting part 43, gap 44, notch 45, base buckle groove 46, pulley buckle groove 47, first detachable positioning component 5, long insertion plate 51, extension part 52, short insertion plate 53, elastic buckle part 54, limiting part 55, second detachable positioning component 6, hook body 61, inlet cover 7. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] As Figure 1-6As shown, a pulley pre-fixing device for a curtain track includes a transmission box 2 arranged at both ends of a telescopic track 1, a pulley installation groove 21 connected to a track groove 11 on one side of the telescopic track 1 is provided on one side of the transmission box 2, a pulley body 3 that can slide into the track groove 11 is provided in the pulley installation groove 21, a pulley loading port 22 located on the side of the pulley installation groove 21 away from the track groove 11 and connected to the pulley installation groove 21 is provided on one side of the transmission box 2, a pulley pre-fixing member 4 is detachably provided in the pulley loading port 22, and the pulley pre-fixing member 4 is detachably connected to the pulley body 3. The pulley pre-fixing member 4 is used to fix the pulley body 3 before use to avoid damage to the pulley body 3, and at the same time, the two pulley bodies 3 are kept in symmetrical positions, and the pulley pre-fixing member 4 can be removed when in use for normal use, which is simple to operate and convenient for on-site installation.

[0025] like Figure 3 As shown, the pulley loading port 22 is rectangular, and the width of the pulley loading port 22 is respectively greater than the width of the pulley mounting groove 21 and the pulley body 3, and the width of the pulley body 3 is greater than the width of the pulley mounting groove 21. The pulley loading port 22 is used to install the pulley body 3 into the transmission box 2, and the pulley mounting groove 21 is used to slide the pulley body 3 into the track groove 11, and the pulley mounting groove 21 can prevent the pulley body 3 from falling off.

[0026] like Figure 1 As shown, a synchronous belt 12 is inserted into the telescopic track 1, and the pulley body 3 is symmetrically arranged at both ends of the synchronous belt 12. The synchronous belt 12 is connected to the pulley body 3. When the length of the telescopic track 1 is adjusted to the right position, the redundant synchronous belt 12 is cut off, and the telescopic track 1 can operate normally.

[0027] like Figure 2 As shown, the pulley pre-fixing member 4 includes a fixing member base 41 that can close the pulley loading port 22, and one side of the fixing member base 41 is positioned at the pulley loading port 22 by a first detachable positioning component 5, and the other side of the fixing member base 41 is provided with a pulley pre-fixing portion 42 extending to both sides of the pulley body 3, and the pulley pre-fixing portion 42 is connected to the pulley body 3 by a second detachable positioning component 6. The fixing member base 41 can prevent the pulley body 3 from sliding out of the pulley loading port 22, and the pulley pre-fixing portion 42 can prevent the pulley body 3 from shaking.

[0028] like Figure 5As shown in the figure, the first detachable positioning component 5 includes a long insertion plate 51 vertically arranged on the lower side of one end of the fixing member base 41 away from the pulley installation groove 21. Both sides of the long insertion plate 51 are respectively provided with extension parts 52 perpendicular to the long insertion plate 51 and extending to both sides of the fixing member base 41. Both sides of one end of the fixing member base 41 close to the pulley installation groove 21 are provided with short insertion plates 53, and an elastic buckle part 54 which is vertically arranged and can be clamped with the pulley installation opening 22 is arranged between the short insertion plates 53 and the extension parts 52. The long insertion plate 51 and the short insertion plates 53 can ensure the connection stability of the pulley pre-fixing member 4. At the same time, the elastic buckle part 54 can prevent the pulley pre-fixing member 4 from falling off.

[0029] As Figure 4 shown in the figure, the number of the pulley pre-fixing parts 42 is two and they are arranged in parallel. The corresponding same ends of the pulley pre-fixing parts 42 are connected by a connecting part 43, and both the pulley pre-fixing parts 42 and the connecting part 43 are integrally formed on the fixing member base 41.

[0030] Among them, a gap 44 for inserting the pulley body 3 is formed between the two pulley pre-fixing parts 42. A notch 45 corresponding to the gap 44 is arranged on the fixing member base 41. One side of the long insertion plate 51 has a limiting part 55 extending to one side of the lower end of the notch 45. The gap 44 and the notch 45 facilitate the connection between the pulley pre-fixing member 4 and the pulley body 3.

[0031] Specifically, the second detachable positioning component 6 includes hook bodies 61 symmetrically arranged on the corresponding sides of the two pulley pre-fixing parts 42 respectively. The pulley pre-fixing parts 42 are made of elastic materials and the hook bodies 61 are respectively clamped on the side parts of the pulley body 3. The hook bodies 61 are used to fix the pulley body 3 to prevent the pulley body 3 from moving.

[0032] As Figure 2 shown in the figure, both sides of the fixing member base 41 are provided with base buckle grooves 46 located inside the pulley installation opening 22 and above the elastic buckle part 54. One side of the pulley pre-fixing parts 42 close to each other is provided with pulley buckle grooves 47. The base buckle grooves 46 are used for removing the pulley pre-fixing member 4 from the pulley installation opening 22, and the pulley buckle grooves 47 are used for the pulley pre-fixing member 4 to release the pulley body 3.

[0033] As Figure 6 shown in the figure, an installation opening closing cover 7 for replacing the pulley pre-fixing member 4 is arranged on the pulley installation opening 22, and the installation opening closing cover 7 is clamped and connected with the pulley installation opening 22. After the synchronous belt 12 is trimmed, the pulley pre-fixing member 4 is removed and the pulley body 3 starts to run normally. At the same time, the installation opening closing cover 7 can be used to prevent the pulley body 3 from falling off.

[0034] The principle of this embodiment is as follows:

[0035] The pulley pre-fixing member 4 is arranged in the pulley installation opening 22 through the elastic buckling portion 54. The pulley body 3 moves into the pulley installation groove 21. The pulley pre-fixing portions 42 of the pulley pre-fixing member 4 are located on both sides of the pulley body 3. At the same time, the hook bodies 61 on the pulley pre-fixing portions 42 are fixed to the pulley body 3. When adjusting the length of the telescopic track 1, the pulley body 3 will move along with the telescopic track 1, which is convenient for determining the length adjustment of the synchronous belt 12, and the operation is convenient. And when in use, the pulley pre-fixing member 4 is removed and the installation opening closing cover 7 is installed in the pulley installation opening 22 to ensure the normal use of the curtain.

[0036] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to substitute, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] Although terms such as telescopic track 1, track groove 11, synchronous belt 12, transmission box body 2, pulley installation groove 21, pulley installation opening 22, pulley body 3, pulley pre-fixing member 4, fixing member base 41, pulley pre-fixing portion 42, connecting portion 43, gap 44, notch 45, base buckling groove 46, pulley buckling groove 47, first detachable positioning assembly 5, long insertion plate 51, extension portion 52, short insertion plate 53, elastic buckling portion 54, limiting portion 55, second detachable positioning assembly 6, hook body 61, installation opening closing cover 7 are used more in this article, the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A pulley pre-fixing device for a curtain track, comprising a transmission box (2) arranged at both ends of a telescopic track (1), one side of the transmission box (2) having a pulley mounting groove (21) connected to a track groove (11) on one side of the telescopic track (1), a pulley body (3) capable of sliding into the track groove (11) being arranged in the pulley mounting groove (21), characterized in that: A pulley loading port (22) is provided on one side of the transmission housing (2), which is located on the side of the pulley mounting groove (21) away from the track groove (11) and is connected to the pulley mounting groove (21). A pulley pre-fixing component (4) is detachably provided in the pulley loading port (22), and the pulley pre-fixing component (4) is detachably connected to the pulley body (3).

2. A pulley pre-fixing device for a curtain track according to claim 1, characterized in that: The pulley loading port (22) is rectangular, the width of the pulley loading port (22) is respectively greater than the width of the pulley mounting groove (21) and the pulley body (3), and the width of the pulley body (3) is greater than the width of the pulley mounting groove (21).

3. The pulley pre-fixing device for a curtain track according to claim 1, characterized in that: A synchronous belt (12) is inserted into the telescopic rail (1), and the pulley body (3) is symmetrically arranged at both ends of the synchronous belt (12).

4. A pulley pre-fixing device for a curtain track according to claim 1, 2 or 3, characterized in that: The pulley pre-fixing member (4) comprises a fixing member base (41) capable of closing the pulley loading port (22); one side of the fixing member base (41) is positioned at the pulley loading port (22) by a first detachable positioning component (5); and the other side of the fixing member base (41) is provided with a pulley pre-fixing portion (42) extending to both sides of the pulley body (3); and the pulley pre-fixing portion (42) is connected to the pulley body (3) by a second detachable positioning component (6).

5. A pulley pre-fixing device for a curtain track according to claim 4, characterized in that: The first detachable positioning component (5) comprises a long plug plate (51) vertically arranged at the lower side of one end of the fixing member base (41) away from the pulley installation groove (21), and the two sides of the long plug plate (51) are respectively provided with extension parts (52) perpendicular to the long plug plate (51) and extending to the two sides of the fixing member base (41), and the two sides of the fixing member base (41) close to one end of the pulley installation groove (21) are provided with short plug plates (53), and a vertically arranged elastic buckle part (54) is provided between the short plug plate (53) and the extension part (52) and can be engaged with the pulley loading port (22).

6. A pulley pre-fixing device for a curtain track according to claim 4, characterized in that: The number of the pulley pre-fixing parts (42) is two and they are arranged parallel to each other. The corresponding same ends of the pulley pre-fixing parts (42) are connected via a connecting part (43), and the pulley pre-fixing parts (42) and the connecting part (43) are integrally formed on the fixing part base (41).

7. The pulley pre-fixing device for a curtain track according to claim 5, characterized in that: A gap (44) is formed between the two pulley pre-fixing parts (42) for the pulley body (3) to be inserted, a notch (45) corresponding to the gap (44) is provided on the fixing member base (41), and one side of the long insert plate (51) has a limiting part (55) extending to the lower end of the notch (45).

8. The pulley pre-fixing device for a curtain track according to claim 4, characterized in that: The second detachable positioning assembly (6) comprises hook bodies (61) symmetrically arranged on the corresponding sides of the two pulley pre-fixing parts (42), the pulley pre-fixing parts (42) are made of elastic material and the hook bodies (61) are respectively connected to the side parts of the pulley body (3).

9. The pulley pre-fixing device for a curtain track according to claim 5, characterized in that: Base buckle grooves (46) are provided on both sides of the fixing member base (41) and are located on the inner side of the pulley loading port (22) and at the upper end of the elastic buckle portion (54). A pulley buckle groove (47) is provided on the side where the pulley pre-fixing portion (42) is close to each other.

10. The pulley pre-fixing device for a curtain track according to claim 1, characterized in that: The pulley loading port (22) is provided with a loading port closing cover (7) that can replace the pulley pre-fixing member (4), and the loading port closing cover (7) is connected to the pulley loading port (22) by snap-fitting.

Images