Curtain track pull rope connecting structure

Abstract

The utility model relates to a curtain track pull rope connecting structure. The technical problem that connection between an existing pull rope body and an existing pull rope base is tedious is solved. The curtain pull rope is arranged in a curtain rail and comprises a pull rope seat detachably connected with a pull rope body, a pull rope clamping head is arranged at one end of the pull rope body, a pull rope boss is arranged on one side of the pull rope seat, a first rope penetrating hole is formed in the pull rope boss, a pull rope penetrating-out groove is formed in the pull rope boss, and a clamping head mounting cylinder is arranged at one end of the pull rope boss. A second rope penetrating hole is formed in the bottom of the clamping head installation cylinder, and a rope penetrating groove is formed in one side of the rope pulling base. The pull rope fixing device has the advantages that the pull rope clamping head is installed in the clamping head installation cylinder, the pull rope body is pulled to enable the pull rope clamping head to be transversely arranged and abut against the position between the rope penetrating groove and the sealing part, so that the pull rope body and the pull rope base are fixed, and meanwhile when the pull rope clamping head is limited in the clamping head installation cavity by the sealing part, the pull rope penetrating groove and the rope penetrating groove are formed according to the design structure of the pull rope penetrating groove and the rope penetrating groove. No matter the pull rope body is loosened or tensioned, the pull rope body cannot be separated from the pull rope seat.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric curtain equipment, and in particular relates to a curtain track draw cord connection structure. Background Art

[0002] Most electric curtains use retractable tracks. The synchronous belt in the track is selected to be longer in length to match the adjustment of the track. In addition, a synchronous belt adjuster is used to tighten the synchronous belt to prevent it from being loose during use. The existing synchronous belt adjuster is pulled by a pull rope. In the prior art, the structure of the synchronous belt adjuster is generally as follows: Figure 1 and Figure 2 As shown, the synchronous belt adjuster 4 has a synchronous belt connecting column 45 connected to the synchronous belt, the joint of the pull rope is set in the pull rope connecting hole 42 of the pull rope connecting seat 41, and the pull rope passes through the pull rope outlet hole 44 through the pull rope connecting channel 43. When the pull rope is loose, the joint of the pull rope will be detached from the pull rope connecting hole 42, causing the pull rope to be disconnected from the synchronous belt adjuster 4. Therefore, it is necessary to use the pull rope fixing sleeve 47 of the cover member 46 to cover the pull rope connecting seat 41 to ensure that the pull rope is connected to the synchronous belt adjuster 4. The synchronous belt adjuster 4 requires an additional cover member 46 to fix the pull rope, which makes the operation more cumbersome and increases the cost of use. Summary of the invention

[0003] The purpose of the utility model is to provide a curtain track draw cord connection structure in view of the above problems.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a curtain rail pull cord connection structure, which is arranged in the curtain rail, including a pull cord seat detachably connected to a pull cord body, and one end of the pull cord body has a pull cord clamp, one side of the pull cord seat is provided with an axially arranged pull cord boss, the pull cord boss is provided with a first rope threading hole that runs through both sides of the pull cord seat, a pull cord outlet groove is provided on the pull cord boss, and one end of the pull cord outlet groove is connected to the first rope threading hole and the other end extends to the end of the pull cord boss, a clamp mounting cylinder for placing the pull cord clamp is provided at the end of the pull cord boss away from the first rope threading hole, and a second rope threading hole with a diameter smaller than the length of the pull cord clamp is provided at the bottom of the clamp mounting cylinder, and a rope threading groove connecting the first rope threading hole and the second rope threading hole is provided on the side of the pull cord seat away from the rope boss. The rope clamp is arranged in the clamp installation cylinder and is fixed by clamping, and the rope body is located in the rope outlet groove and the rope threading groove. The rope seat has a simple structure and fixes the rope body. At the same time, the rope body and the rope seat are coaxial when pulling, which improves the overall stability.

[0005] In the above-mentioned curtain track drawstring connection structure, the drawstring seat is in the shape of a strip plate, and the drawstring boss is integrally formed in the middle of the drawstring seat and the two ends of the drawstring boss extend to the two ends of the drawstring seat respectively. The drawstring boss plays a role in reinforcing the drawstring seat.

[0006] In the above-mentioned curtain rail draw cord connection structure, the clamp head mounting cylinder is integrally formed on the draw cord boss and the bottom of the clamp head mounting cylinder passes through the draw cord boss. The clamp head mounting cylinder is used to fix the draw cord clamp head, and the integral molding improves stability.

[0007] In the above-mentioned curtain rail cord connection structure, the chuck installation cylinder has an elliptical chuck installation cavity, the top of the chuck installation cylinder has a chuck installation inlet, and the diameters of the chuck installation cavity and the chuck installation inlet are both larger than the length of the cord chuck, the bottom of the chuck installation cylinder has a closed portion, and the second cord threading hole is formed on the closed portion. The closed portion plays a limiting role to prevent the cord chuck from slipping out of the chuck installation cylinder, and the diameters of the chuck installation cavity and the chuck installation inlet are both larger than the length of the cord chuck, making it convenient to adjust the position of the cord chuck in the chuck installation cylinder.

[0008] In the above-mentioned curtain rail cord connection structure, one end of the cord threading groove passes through the lower end of the clamp mounting cylinder, the cord threading groove opens toward the side of the cord seat away from the cord boss, and the cord exit groove opening is opposite to the cord threading groove opening and is staggered.

[0009] In the above-mentioned curtain rail cord connection structure, the width of the cord threading groove is smaller than the diameter of the cord clamp, and the width of the cord exit groove is larger than the width of the cord threading groove, and the cord exit groove and the cord threading groove are both arranged along the axial direction of the cord seat and are located on the same horizontal plane. This is conducive to the straightening of the cord body, and at the same time, it is in a horizontal state with the cord seat, and the cord clamp abuts against the outer side of the cord threading groove, thereby achieving a clamping effect.

[0010] In the above-mentioned curtain rail draw cord connection structure, the draw cord boss and one end of the draw cord seat both have an arc-shaped chamfered portion, and the draw cord passing groove extends to the edge of the arc-shaped chamfered portion on the draw cord boss.

[0011] In the above-mentioned curtain track drawstring connection structure, the drawstring seat has two axially arranged reinforcing ribs on one side away from the drawstring boss, and the first drawstring hole, the second drawstring hole and the drawstring groove are all located between the two reinforcing ribs. The reinforcing ribs are beneficial to increase the overall strength of the drawstring seat and improve its service life.

[0012] In the above-mentioned curtain rail draw cord connection structure, the draw cord clamp is cylindrical or spherical, and one end of the draw cord body is connected to the outside of the draw cord clamp.

[0013] In the above-mentioned curtain track draw cord connection structure, the draw cord body is a steel wire rope, and the draw cord body passes through the draw cord threading groove and exits from the draw cord exiting groove.

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

[0015] 1. The device utilizes the design of the first rope threading hole and the second rope threading hole to install the rope clamp in the clamp installation cylinder, and pulls the rope body to make the rope clamp transversely arranged and abut between the rope threading groove and the closing part, thereby fixing the rope body and the rope seat.

[0016] 2. The rope outlet groove of the device is designed on the front of the rope seat, and the rope threading groove is designed on the back of the rope seat. When the rope clamp is restricted in the clamp installation cavity by the closing part, according to the design structure of the rope outlet groove and the rope threading groove, the rope body will not be separated from the rope seat regardless of whether the rope body is loose or tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a synchronous belt regulator in the prior art.

[0018] Figure 2 It is a structural schematic diagram of a cover plate member in the prior art.

[0019] Figure 3 It is a structural schematic diagram of the utility model.

[0020] Figure 4 It is a structural sectional view of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the rope pull seat in the utility model.

[0022] Figure 6 It is a structural schematic diagram of the rope pull seat in the utility model from another perspective.

[0023] In the figure: a rope body 1, a rope clamp 11, a rope seat 2, a rope boss 21, a first rope threading hole 22, a rope outlet groove 23, a rope threading groove 24, an arc chamfered portion 25, a reinforcing rib 26, a clamp mounting cylinder 3, a second rope threading hole 31, a clamp mounting cavity 32, a clamp loading port 33, a closing portion 34, a synchronous belt adjuster 4, a rope connecting seat 41, a rope connecting hole 42, a rope connecting channel 43, a rope outlet hole 44, a synchronous belt connecting column 45, a cover plate 46, and a rope fixing sleeve 47. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figure 3-6As shown, a curtain rail draw cord connection structure is arranged in the curtain rail, including a draw cord seat 2 detachably connected to a draw cord body 1, and one end of the draw cord body 1 is provided with a draw cord clamp 11, one side of the draw cord seat 2 is provided with an axially arranged draw cord boss 21, and the draw cord boss 21 is provided with a first draw cord hole 22 that passes through both sides of the draw cord seat 2, and the draw cord boss 21 is provided with a draw cord outlet groove 23, and one end of the draw cord outlet groove 23 is connected to the first draw cord hole 22 and the other end extends to the end of the draw cord boss 21, and a clamp mounting cylinder 3 for placing the draw cord clamp 11 is provided at the end of the draw cord boss 21 away from the first draw cord hole 22, and a second draw cord hole 31 with a diameter smaller than the length of the draw cord clamp 11 is provided at the bottom of the clamp mounting cylinder 3, and a draw cord seat 2 is provided with a draw cord outlet groove 24 connecting the first draw cord hole 22 and the second draw cord hole 31 on the side away from the draw cord boss 21. The rope clamp 11 is arranged in the clamp installation cylinder 3 and forms a clamping fixation, so that the rope body 1 is directly connected to the rope seat 2, and the rope body 1 is located in the rope outlet groove 23 and the rope threading groove 24. The rope seat 2 has a simple structure and fixes the rope body 1. At the same time, the rope body 1 and the rope seat 2 are in a coaxial state when pulling, which improves the overall stability.

[0026] like Figure 5 As shown, the rope pull seat 2 is in the shape of a strip plate, and the rope pull boss 21 is integrally formed in the middle of the rope pull seat 2 and the two ends of the rope pull boss 21 extend to the two ends of the rope pull seat 2. The rope pull boss 21 plays a role in reinforcing the rope pull seat 2.

[0027] The clamp head mounting cylinder 3 is integrally formed on the pull rope boss 21 and the bottom of the clamp head mounting cylinder 3 passes through the pull rope boss 21. The clamp head mounting cylinder 3 is used to fix the pull rope clamp head 11, and the integral molding improves stability.

[0028] Specifically, the clamp head installation cylinder 3 has an elliptical clamp head installation cavity 32, the top of the clamp head installation cylinder 3 has a clamp head installation port 33, and the diameters of the clamp head installation cavity 32 and the clamp head installation port 33 are both larger than the length of the pull rope clamp head 11, and the bottom of the clamp head installation cylinder 3 has a closed portion 34, and the second rope threading hole 31 is formed on the closed portion 34. The closed portion 34 plays a limiting role to prevent the pull rope clamp head 11 from sliding out of the clamp head installation cylinder 3, and the diameters of the clamp head installation cavity 32 and the clamp head installation port 33 are both larger than the length of the pull rope clamp head 11, so that the pull rope clamp head 11 can be easily adjusted in the clamp head installation cylinder 3.

[0029] like Figure 6 As shown, one end of the rope threading groove 24 passes through the lower end of the clamp mounting cylinder 3, and the opening of the rope threading groove 24 faces the side of the rope pull seat 2 away from the rope pull boss 21, and the opening of the rope exit groove 23 is opposite to the opening of the rope threading groove 24 and is staggered, which is conducive to connecting the rope body 1 with the rope pull seat 2.

[0030] Combination Figure 4 and Figure 6 As shown, the width of the rope threading groove 24 is smaller than the diameter of the rope clamp 11, and the width of the rope outlet groove 23 is larger than the width of the rope threading groove 24. The rope outlet groove 23 and the rope threading groove 24 are both axially extended along the rope seat 2 and are located on the same horizontal plane, which is conducive to straightening the rope body 1 and at the same time being in a horizontal state with the rope seat 2. The rope clamp 11 abuts against the outer side of the rope threading groove 24, thereby realizing the clamping effect.

[0031] Combination Figure 5 and Figure 6 As shown, the rope-pulling boss 21 and one end of the rope-pulling seat 2 both have an arc-shaped chamfered portion 25 , and the rope-pulling groove 23 extends to the edge of the arc-shaped chamfered portion 25 on the rope-pulling boss 21 .

[0032] The side of the rope seat 2 away from the rope boss 21 has two axially arranged reinforcing ribs 26, and the first rope hole 22, the second rope hole 31 and the rope groove 24 are all located between the two reinforcing ribs 26. The reinforcing ribs 26 are conducive to increasing the overall strength of the rope seat 2 and improving its service life.

[0033] like Figure 3 As shown, the drawstring clamp 11 is cylindrical or spherical, and one end of the drawstring body 1 is connected to the outside of the drawstring clamp 11 .

[0034] The pull rope body 1 is a steel wire rope, and the pull rope body 1 passes through the rope threading groove 24 and passes out from the pull rope passing groove 23 .

[0035] The principle of this embodiment is:

[0036] The end of the rope body 1 away from the rope clamp 11 enters the clamp installation cavity 32 from the clamp installation entrance 33, then passes through the second rope threading hole 31, and then passes through the first rope threading hole 22 along the direction of the rope threading groove 24 on the back of the rope seat 2. Finally, the rope body 1 is pulled to make the rope clamp 11 enter the clamp installation cavity 32, and then the rope body 1 is continued to be pulled to make the rope clamp 11 horizontally arranged and contact with the closed part 34. At the same time, the rope body 1 respectively enters the rope threading groove 24 on the back of the rope seat 2 and the rope outlet groove 23 on the front of the rope seat 2, thereby completing the connection between the rope body 1 and the rope seat 2.

[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 the rope body 1, rope clamp 11, rope seat 2, rope boss 21, first rope threading hole 22, rope passing groove 23, rope passing groove 24, arc chamfered portion 25, reinforcing rib 26, clamp mounting cylinder 3, second rope passing hole 31, clamp mounting cavity 32, clamp loading port 33, closure portion 34, synchronous belt adjuster 4, rope connecting seat 41, rope connecting hole 42, rope connecting channel 43, rope passing hole 44, synchronous belt connecting column 45, cover plate 46, rope fixing sleeve 47, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present utility model; interpreting them as any additional restrictions is contrary to the spirit of the present utility model.

Claims

1. A curtain track cord connection structure, arranged in the curtain track, comprising a cord holder (2) detachably connected to a cord body (1), wherein one end of the cord body (1) has a cord clamp (11), characterized in that: One side of the rope pull seat (2) is provided with an axially arranged rope pull boss (21), and a first rope threading hole (22) penetrating through both sides of the rope pull seat (2) is provided in the rope pull boss (21), and a rope pull outlet groove (23) is provided on the rope pull boss (21), and one end of the rope pull outlet groove (23) is connected to the first rope threading hole (22) and the other end extends to the end of the rope pull boss (21), and a clamping head mounting cylinder (3) for placing a rope pull clamp (11) is provided at the end of the rope pull boss (21) away from the first rope threading hole (22), and a second rope threading hole (31) with a diameter smaller than the length of the rope pull clamp (11) is provided at the bottom of the clamping head mounting cylinder (3), and a rope threading groove (24) connecting the first rope threading hole (22) and the second rope threading hole (31) is provided on the side of the rope pull seat (2) away from the rope pull boss (21).

2. A curtain track pull cord connection structure according to claim 1, characterized in that: The rope pull seat (2) is in the shape of a strip plate, and the rope pull boss (21) is integrally formed in the middle of the rope pull seat (2), and the two ends of the rope pull boss (21) extend to the two ends of the rope pull seat (2) respectively.

3. The curtain track pull cord connection structure according to claim 1, characterized in that: The clamp head mounting cylinder (3) is integrally formed on the rope pull boss (21), and the bottom of the clamp head mounting cylinder (3) passes through the rope pull boss (21).

4. The curtain track pull cord connection structure according to claim 1, characterized in that: The clamp head installation cylinder (3) has an elliptical clamp head installation cavity (32) in it, the top of the clamp head installation cylinder (3) has a clamp head installation port (33), and the diameters of the clamp head installation cavity (32) and the clamp head installation port (33) are both larger than the length of the rope clamp (11), the bottom of the clamp head installation cylinder (3) has a closed portion (34), and the second rope threading hole (31) is formed on the closed portion (34).

5. The curtain track pull cord connection structure according to claim 1, characterized in that: One end of the rope threading groove (24) passes through the lower end of the clamp mounting cylinder (3), the opening of the rope threading groove (24) faces the side of the rope pull seat (2) away from the rope pull boss (21), and the opening of the rope pull outlet groove (23) is opposite to the opening of the rope threading groove (24) and is staggered.

6. A curtain track pull cord connection structure according to claim 5, characterized in that: The width of the rope threading groove (24) is smaller than the diameter of the rope clamp (11), and the width of the rope exit groove (23) is larger than the width of the rope threading groove (24). The rope exit groove (23) and the rope threading groove (24) are both axially extending along the rope seat (2) and are located on the same horizontal plane.

7. The curtain track pull cord connection structure according to claim 1, characterized in that: The rope-pulling boss (21) and one end of the rope-pulling seat (2) both have an arc-shaped chamfered portion (25), and the rope-pulling groove (23) extends to the edge of the arc-shaped chamfered portion (25) on the rope-pulling boss (21).

8. The curtain track pull cord connection structure according to claim 1, characterized in that: The side of the rope-drawing seat (2) away from the rope-drawing boss (21) has two axially arranged reinforcing ribs (26), and the first rope-drawing hole (22), the second rope-drawing hole (31) and the rope-drawing groove (24) are all located between the two reinforcing ribs (26).

9. The curtain track pull cord connection structure according to claim 1, characterized in that: The drawstring clamp (11) is cylindrical or spherical, and one end of the drawstring body (1) is connected to the outside of the drawstring clamp (11).

10. The curtain track pull cord connection structure according to claim 1, characterized in that: The pull rope body (1) is a steel wire rope, and the pull rope body (1) passes through the rope threading groove (24) and passes out from the pull rope passing groove (23).

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