Rope winding mechanism

Abstract

The utility model relates to a rope winding mechanism. The technical problem that an existing curtain is prone to rope clamping in the using process is solved. Comprising a shell with an inner cavity, a cylindrical rope winding wheel is axially and rotationally installed in the shell, a rope winding groove which is spirally distributed and wound with a rope body is formed in the circumferential outer side of the rope winding wheel, a driving rod is arranged on the outer side of the shell, and a rope winding driving structure which can drive the rope winding wheel to synchronously rotate when the driving rod rotates in the circumferential direction is arranged between the driving rod and the rope winding wheel. A guide sliding block which is located on the outer side of the rope winding wheel and can slide in the axial direction of the rope winding wheel when the rope winding wheel rotates in the circumferential direction is arranged in the shell through a sliding guide assembly, and one end of the rope body penetrates through the guide sliding block and penetrates out of the outer side of the shell. The rope winding device has the advantages that the guide sliding block and the rope winding wheel are in meshing transmission through the pulley threads and the wheel body threads, a rope body can be conveniently guided, and stable winding of the rope body is guaranteed. The guiding sliding block can be horizontally arranged in the shell in a sliding mode through the sliding guiding assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of rope winding equipment, and in particular relates to a rope winding mechanism. Background Art

[0002] The cord-rolling curtain is mainly composed of curtain cloth, cord-rolling drum, drawstring or chain and other parts. The cord-rolling curtain is a commonly used curtain method and can be applied to a variety of curtain types, improving the user experience. The cord-rolling curtain has the advantages of being simple and beautiful, easy to operate, and taking up little space. However, the structure of the existing cord-rolling curtain is too complicated and it is easy to cause cord jamming during use, which affects the normal operation of the cord-rolling curtain and the user experience.

[0003] In order to solve the deficiencies of the prior art, people have conducted long-term exploration and proposed various solutions. For example, a Chinese patent document discloses a rope drum for electric blinds [CN 218644192 U], which includes a rope drum body, a thread is provided on the rope drum body along the length direction, and a thread groove for inserting a lifting rope is formed between adjacent threads, a circle of ribs is raised at the edge of one end of the rope drum body, and a rotating shaft head is formed at the end of the rope drum body provided with the ribs, and the rope drum body is provided with a cut surface on both sides of the radial direction and along the length direction, and the two cut surfaces are arranged parallel to each other.

[0004] The above solution solves the problem of the existing rope drum curtain structure being too complicated to a certain extent, but the solution still has many shortcomings. For example, it uses rope guide rollers to guide the rope body, but the rope guide rollers are difficult to install and will generate noise during use, affecting the user experience. Summary of the invention

[0005] The purpose of the utility model is to provide a rope winding mechanism in view of the above problems.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a rope winding mechanism comprises a shell with an inner cavity, a cylindrical rope winding wheel is axially rotatably installed in the shell, the rope winding wheel has a rope winding groove which is spirally distributed and wound with a rope body on the circumferential outer side, a driving rod is provided on the outer side of the shell, and a rope winding driving structure is provided between the driving rod and the rope winding wheel, which can drive the rope winding wheel to rotate synchronously when the driving rod rotates circumferentially; a guide slider is provided in the shell through a sliding guide assembly, which is located on the outer side of the rope winding wheel and can slide axially along the rope winding wheel when the rope winding wheel rotates circumferentially; one end of the rope body passes through the guide slider and passes out from the outside of the shell; the guide slider slides synchronously with the rope winding wheel and can facilitate orderly winding of the rope body, thereby ensuring operational stability and improving user experience.

[0007] In the above-mentioned rope winding mechanism, the rope winding wheel has a wheel body thread extending from one end of the rope winding wheel to the other end on the circumferential outer side, and the above-mentioned rope winding groove is formed between two adjacent sections of the wheel body thread. The rope body is stably wound in the rope winding groove, and the wheel body thread can limit the rope body.

[0008] In the above-mentioned rope winding mechanism, the guide slider is arranged at the lower end of the rope winding wheel and the upper end of the guide slider has an arc-shaped groove matching the outer side of the rope winding wheel, and the arc-shaped groove has a pulley thread, and the pulley thread and the wheel body thread are meshed with each other, and the pulley thread and the wheel body thread can make the rope winding wheel drive the guide slider to rotate synchronously when it rotates, thereby ensuring that the rope body can be wound in an orderly manner and ensuring the smoothness of the winding.

[0009] In the above-mentioned rope winding mechanism, a rope threading hole is provided on the guide slider, one end of the rope body passes through the rope threading hole and extends axially along the rope winding wheel and passes through a guide hollow nail arranged at one end of the shell. The rope body can be further guided by the guide hollow nail to ensure the smooth sliding of the rope body.

[0010] In the above-mentioned rope winding mechanism, the sliding guide assembly includes sliding grooves respectively arranged on both sides of the guide slider, and guide ridges extending along the axial direction of the rope winding wheel are respectively provided on both sides of the shell, and the sliding grooves and guide ridges are slidingly connected to each other, and the guide slider can be horizontally slidably arranged in the shell through the sliding grooves and guide ridges.

[0011] In the above-mentioned rope winding mechanism, the rope winding drive structure includes a first driving gear and a second driving gear arranged on the inner side of an end of the shell away from the rope body, the first driving gear is located at the lower end of the second driving gear and the first driving gear and the second driving gear are meshed with each other, the driving rod is connected to the first driving gear, the second driving gear is connected to the rope winding wheel, and the driving rod drives the first driving gear to rotate, the first driving gear is meshed with the second driving gear, and the first driving gear can drive the rope winding wheel to rotate through the second driving gear, so that the rope winding wheel can wind and release the rope body.

[0012] In the above-mentioned rope winding mechanism, a partition is provided in the shell which can divide the inner cavity into a driving cavity and a rope winding cavity, the first driving gear and the second driving gear are respectively located in the driving cavity, and the first driving gear and the second driving gear are respectively rotatably arranged between the partition and the inner side of one end of the shell, the rope winding wheel and the guide slider are respectively located in the rope winding cavity, the wheel axle of the rope winding wheel is arranged between the partition and the inner side of one end of the shell, and the wheel axle of the rope winding wheel is connected to the center of the second driving gear by plugging, so that the rope winding wheel can be driven to rotate when the second driving gear rotates.

[0013] In the above-mentioned rope winding mechanism, the cross-section of the driving rod is non-circular, and one end of the driving rod is located outside the shell and the other end passes through the first driving gear, and the center of the first driving gear has a center hole matching the driving rod, and the driving rod can drive the first driving gear to rotate synchronously through the center hole.

[0014] In the above-mentioned rope winding mechanism, the guide slider is provided with two through holes, and the two ends of the shell are respectively provided with through holes corresponding to the through holes, and the driving rod corresponds to one of the through holes, which can facilitate the installation of the driving rod and improve the installation efficiency.

[0015] In the above-mentioned rope winding mechanism, the shell is composed of two shell halves radially spliced ​​together, the guide ridges are respectively arranged on the corresponding side of the shell halves, and the shell halves are respectively provided with observation windows corresponding to the rope winding wheels.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The guide slider and the rope reel are meshed and driven through the pulley thread and the wheel thread, which can guide the rope body and ensure the stable winding of the rope body.

[0018] 2. The guide slider can be horizontally slidably arranged in the housing through the sliding guide assembly.

[0019] 3. The rope body can be limited and guided through the rope holes and guide hollow nails to ensure the winding stability of the rope body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the winding rope wheel in the utility model.

[0022] Figure 3 It is a structural schematic diagram of the inner cavity in the utility model.

[0023] Figure 4 It is a structural schematic diagram of the guide sliding block in the utility model.

[0024] In the figure: shell 1, inner cavity 11, drive cavity 111, rope winding cavity 112, partition 12, through hole 13, shell half 14, observation window 15, rope winding wheel 2, rope winding groove 21, wheel body thread 22, rope body 3, drive rod 4, rope winding drive structure 5, first drive gear 51, center hole 511, second drive gear 52, sliding guide assembly 6, sliding groove 61, guide convex strip 62, guide slider 7, arc groove 71, pulley thread 72, rope threading hole 73, guide hollow nail 74, through hole 75. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 The rope-winding mechanism comprises a shell 1 with an inner cavity 11, in which a cylindrical rope-winding wheel 2 is axially rotatably installed in the shell 1, and a rope-winding groove 21 which is spirally distributed and wound with a rope body 3 is provided on the circumferential outer side of the rope-winding wheel 2, so that the rope body 3 can be conveniently placed. A driving rod 4 is provided on the outer side of the shell 1, and a rope-winding driving structure 5 which can drive the rope-winding wheel 2 to rotate synchronously when the driving rod 4 rotates circumferentially is provided between the driving rod 4 and the rope-winding wheel 2, and the rope-winding driving structure 5 drives the rope-winding wheel 2 to rotate through the driving rod 4. A guide slider 7 is provided in the shell 1 through a sliding guide assembly 6, which is located on the outer side of the rope-winding wheel 2 and can slide axially along the rope-winding wheel 2 when the rope-winding wheel 2 rotates circumferentially. One end of the rope body 3 passes through the guide slider 7 and passes out from the outer side of the shell 1, and the guide slider 7 slides synchronously with the rope-winding wheel 2, and can facilitate the orderly winding of the rope body 3, thereby ensuring the operation stability and improving the user experience.

[0027] Specifically, the rope winding wheel 2 has a wheel body thread 22 extending from one end of the rope winding wheel 2 to the other end on the circumferential outer side, and the above-mentioned rope winding groove 21 is formed between two adjacent sections of the wheel body thread 22. The rope body 3 is stably wound in the rope winding groove, and the wheel body thread 22 can limit the rope body 3.

[0028] Among them, the guide slider 7 is arranged at the lower end of the rope winding wheel 2 and the upper end of the guide slider 7 has an arc-shaped groove 71 matching the outer side of the rope winding wheel 2, and the arc-shaped groove 71 has a pulley thread 72, and the pulley thread 72 is meshed with the wheel body thread 22, and the pulley thread 72 and the wheel body thread 22 can make the rope winding wheel 2 drive the guide slider 7 to rotate synchronously when rotating, thereby ensuring that the rope body can be wound in an orderly manner and ensuring the smoothness of winding.

[0029] like Figure 2 , Figure 3 , Figure 4 As shown, the guide slider 7 is provided with a rope threading hole 73, through which the guide slider 7 can guide the rope body 3, so that the rope body 3 can be wound in an orderly manner, thereby ensuring the smoothness of the winding of the rope body 3. One end of the rope body 3 passes through the rope threading hole 73 and extends axially along the rope winding wheel 2 and is passed through a guide hollow nail 74 arranged at one end of the shell 1. The rope body 3 can be further guided by the guide hollow nail 74 to ensure the smoothness of the sliding of the rope body 3.

[0030] Furthermore, the sliding guide assembly 6 includes sliding grooves 61 respectively arranged on both sides of the guide slider 7, and guide ridges 62 extending axially along the rope winding wheel 2 are respectively provided on both sides of the shell 1, and the sliding grooves 61 and the guide ridges 62 are slidingly connected, and the guide slider 7 can be horizontally slidably set in the shell 1 through the sliding grooves 61 and the guide ridges 62.

[0031] Among them, the rope winding drive structure 5 includes a first driving gear 51 and a second driving gear 52 which are arranged on the inner side of the end of the shell 1 away from the rope body 3. The first driving gear 51 is located at the lower end of the second driving gear 52 and the first driving gear 51 and the second driving gear 52 are meshed with each other, so that when the first driving gear 51 rotates, the second driving gear 52 can be driven to rotate. The driving rod 4 is connected to the first driving gear 51, and the second driving gear 52 is connected to the rope winding wheel 2, and the driving rod 4 drives the first driving gear 51 to rotate. The first driving gear 51 is meshed and connected with the second driving gear 52, and the first driving gear 51 can drive the rope winding wheel 2 to rotate through the second driving gear 52, so that the rope winding wheel 2 can wind and release the rope body 3.

[0032] Combination Figure 3 , Figure 4 As shown, a partition 12 is provided in the shell 1, which can divide the inner cavity 11 into a driving cavity 111 and a rope winding cavity 112. The partition 12 can facilitate the installation of the rope winding wheel 2 and the rope winding drive structure, and can also facilitate future maintenance by users, thereby improving maintenance efficiency. The first drive gear 51 and the second drive gear 52 are respectively located in the driving cavity 111, and the first drive gear 51 and the second drive gear 52 are respectively rotatably arranged between the partition 12 and the inner side of one end of the shell 1, the rope winding wheel 2 and the guide slider 7 are respectively located in the rope winding cavity 112, the wheel axle of the rope winding wheel 2 is arranged between the partition 12 and the inner side of one end of the shell 1, and the wheel axle of the rope winding wheel 2 is connected to the center of the second drive gear 52 by plugging, so that the rope winding wheel 2 can be driven to rotate when the second drive gear 52 rotates.

[0033] Among them, the cross-section of the driving rod 4 is non-circular, and one end of the driving rod 4 is located outside the shell 1 and the other end passes through the first driving gear 51, and the center of the first driving gear 51 has a center hole 511 that matches the driving rod 4, and the center hole 511 can enable the driving rod 4 to drive the first driving gear 51 to rotate synchronously.

[0034] Specifically, two through holes 75 are provided on the guide slider 7, and through holes 13 corresponding to the through holes 75 are provided at both ends of the shell 1. The drive rod 4 corresponds to one of the through holes 75, which can facilitate the installation of the drive rod 4 and improve the installation efficiency.

[0035] Combination Figure 1 , Figure 3As shown, the shell 1 is composed of two shell halves 14 radially assembled with each other, which can facilitate the installation of the shell 1. The guide ridges 62 are respectively arranged on the corresponding side of the shell half 14, and the shell half 14 is respectively provided with observation windows 15 corresponding to the rope winding wheel 2. Through the observation window 15, the user can observe the winding state of the rope body 3 conveniently, thereby improving the maintenance efficiency.

[0036] The principle of this embodiment is that the rope winding drive structure 5 is arranged in the driving cavity 111 and drives the rope winding wheel 2 through the driving rod 4, wherein the rope body 3 is wound in the rope winding groove 21 on the rope winding wheel 2 through the guide slider 7, and the guide slider 7 is meshed with the rope winding wheel 2 through the wheel body thread 22 and the pulley thread 72, so that the rope winding wheel 2 can rotate to drive the guide slider 7 to rotate synchronously, and the guide slider 7 can facilitate the guiding effect on the rope body 3, thereby improving the winding stability of the rope body 3, and the guide slider 7 is slidably arranged in the shell 1 through the sliding guide assembly 6.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although the present invention uses more terms such as housing 1, inner cavity 11, drive cavity 111, rope winding cavity 112, partition 12, through hole 13, housing half 14, observation window 15, rope winding wheel 2, rope winding groove 21, wheel body thread 22, rope body 3, drive rod 4, rope winding drive structure 5, first drive gear 51, center hole 511, second drive gear 52, sliding guide assembly 6, sliding groove 61, guide convex strip 62, guide slider 7, arc groove 71, pulley thread 72, rope threading hole 73, guide hollow nail 74, through hole 75, etc., it does not exclude the possibility of using other terms. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A rope winding mechanism, comprising a housing (1) having an inner cavity (11), a cylindrical rope winding wheel (2) being axially rotatably mounted in the housing (1), the rope winding wheel (2) having a rope winding groove (21) arranged in a spiral pattern on the circumferential outer side and having a rope body (3) wound therearound, characterized in that: A driving rod (4) is provided on the outside of the housing (1); a rope winding driving structure (5) is provided between the driving rod (4) and the rope winding wheel (2) and can drive the rope winding wheel (2) to rotate synchronously when the driving rod (4) rotates circumferentially; a guide slider (7) is provided in the housing (1) through a sliding guide assembly (6) and is located on the outside of the rope winding wheel (2) and can slide axially along the rope winding wheel (2) when the rope winding wheel (2) rotates circumferentially; one end of the rope body (3) passes through the guide slider (7) and passes out from the outside of the housing (1).

2. A rope winding mechanism according to claim 1, characterized in that: The rope winding wheel (2) has a wheel body thread (22) extending from one end of the rope winding wheel (2) to the other end on the circumferential outer side, and the rope winding groove (21) is formed between two adjacent sections of the wheel body thread (22).

3. A rope winding mechanism according to claim 2, characterized in that: The guide slider (7) is arranged at the lower end of the rope winding wheel (2), and the upper end of the guide slider (7) has an arc groove (71) matching the outer side of the rope winding wheel (2), and the arc groove (71) has a pulley thread (72), and the pulley thread (72) and the wheel body thread (22) are meshed with each other.

4. A rope winding mechanism according to claim 3, characterized in that: The guide slider (7) is provided with a rope threading hole (73), one end of the rope body (3) passes through the rope threading hole (73) and extends axially along the rope winding wheel (2) and passes through a guide hollow nail (74) arranged at one end of the housing (1).

5. A rope winding mechanism according to claim 1 or 2 or 3 or 4, characterized in that: The sliding guide assembly (6) comprises sliding grooves (61) respectively arranged on both sides of the guide slider (7), and the inner sides of the housing (1) are respectively provided with guide ridges (62) extending axially along the rope winding wheel (2), and the sliding grooves (61) and the guide ridges (62) are slidably connected.

6. A rope winding mechanism according to claim 1, characterized in that: The rope winding drive structure (5) comprises a first driving gear (51) and a second driving gear (52) which are arranged on the inner side of an end of the housing (1) away from the rope body (3), wherein the first driving gear (51) is located at the lower end of the second driving gear (52) and the first driving gear (51) and the second driving gear (52) are meshed with each other, the driving rod (4) is connected to the first driving gear (51), and the second driving gear (52) is connected to the rope winding wheel (2).

7. A rope winding mechanism according to claim 6, characterized in that: The shell (1) is provided with a partition (12) capable of dividing the inner cavity (11) into a driving cavity (111) and a rope winding cavity (112); the first driving gear (51) and the second driving gear (52) are respectively located in the driving cavity (111), and the first driving gear (51) and the second driving gear (52) are respectively rotatably arranged between the partition (12) and the inner side of one end of the shell (1); the rope winding wheel (2) and the guide slider (7) are respectively located in the rope winding cavity (112); the wheel axle of the rope winding wheel (2) is arranged between the partition (12) and the inner side of one end of the shell (1), and the wheel axle of the rope winding wheel (2) is plug-connected with the center of the second driving gear (52).

8. A rope winding mechanism according to claim 7, characterized in that: The cross section of the driving rod (4) is non-circular, one end of the driving rod (4) is located outside the housing (1) and the other end passes through the first driving gear (51), and the center of the first driving gear (51) has a center hole (511) that matches the driving rod (4).

9. A rope winding mechanism according to claim 1, characterized in that: The guide slider (7) is provided with two through holes (75), and through holes (13) corresponding to the through holes (75) are respectively provided at both ends of the housing (1), and the driving rod (4) corresponds to one of the through holes (75).

10. A rope winding mechanism according to claim 5, characterized in that: The housing (1) is composed of two housing halves (14) radially joined together, the guide ridges (62) are respectively arranged on the corresponding side of the housing halves (14), and the housing halves (14) are respectively provided with observation windows (15) corresponding to the rope reel (2).

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