Elastic rope stretching device

Abstract

The utility model discloses an elastic rope stretching device which comprises a workpiece fixing assembly and a stretching assembly used for straightening a workpiece positioned on the workpiece fixing assembly, the stretching assembly comprises a first movable block, an elastic rope on the workpiece is installed on the first movable block, and the first movable block is movably arranged to achieve straightening of the elastic rope; the workpiece fixing assembly comprises a positioning assembly and an adjusting assembly, one end of the workpiece is detachably connected to the positioning assembly, the adjusting assembly comprises a second movable block which is rotationally connected, the workpiece is placed on the second movable block, and the workpiece fixing assembly further comprises a rotation angle limiting assembly to limit the rotation angle of the second movable block. Compared with the prior art, the steel wire rope stretching and straightening device has the advantages that the structure is simple, the steel wire rope stretching and straightening device can adapt to stretching and straightening of steel wire ropes in various workpieces through the angle adjusting assembly, and due to the arrangement of the inserting grooves, the workpieces can be rapidly positioned and installed.

Description

Technical Field

[0001] The utility model belongs to the technical field of tents, and in particular relates to an elastic rope stretching device. Background Art

[0002] A tent is a kind of mobile house commonly used by people for camping and living in various outdoor activities, which is easy to assemble and dismantle. The existing tent frames are mostly spliced, and in order to increase the connection and connection stability between the frames, there is a tent frame with elastic ropes, such as steel wire ropes, inserted inside. However, the elastic ropes are easy to bend in the tubes of the frame, which affects the tensioning effect. Therefore, it is very important to obtain an elastic rope stretching device. Utility Model Content

[0003] To solve at least one of the above-mentioned technical problems, the utility model provides an elastic rope stretching device, comprising a workpiece fixing component and a stretching component used to be positioned on the workpiece fixing component, the stretching component comprising a first movable block, the elastic rope on the workpiece is mounted on the first movable block, the first movable block is movably arranged to achieve the straightening of the elastic rope; the workpiece fixing component comprises a positioning component and an adjustment component, one end of the workpiece is detachably connected to the positioning component, the adjustment component comprises a rotatably connected second movable block, the workpiece is placed on the second movable block, and also comprises a rotation angle limiting component to limit the rotation angle of the second movable block to adapt to a variety of workpieces, and to ensure that the elastic rope has sufficient space to be stretched, so that it will not conflict with the first connecting member when being stretched by the stretching component, thereby affecting the stretching and straightening effects and reducing the friction with the inner wall.

[0004] Preferably, the stretching assembly includes a slide rail, the first movable block is slidably connected to the slide rail, and also includes a driving assembly for controlling the first movable block. The driving assembly includes a hand wheel, the first movable block is provided with a plurality of wedge-shaped grooves, and the hand wheel is engaged with the wedge-shaped grooves through a transmission assembly to control the axial movement of the first movable block on the slide rail.

[0005] The transmission assembly may be a first wedge wheel and a second wedge wheel meshing therewith, wherein the first wedge wheel is fixed on the rotating shaft of the hand wheel, and the second wedge wheel is fixed on the rotating shaft of the gear, the gear is rotatably connected to the mounting plate, and the gear meshes with the wedge groove.

[0006] Preferably, the first movable block is fixedly connected to the elastic rope via a connecting structure, and the connecting structure comprises a hook fixed to the first movable block, and the end of the elastic rope forms a circle to cooperate with the hook.

[0007] Preferably, the positioning assembly is provided with at least one slot that matches the shape of one end of the workpiece, and a limit block is fixed on the slot for limiting the movement of the workpiece toward the stretching assembly.

[0008] Preferably, the adjustment assembly includes a first rotating shaft and a second rotating shaft, the second movable block includes a connecting piece, a first rotating hole provided on the connecting piece and matched with the first rotating shaft, and a second rotating hole provided on the second rotating shaft, the second movable block also includes a mounting block, the mounting block is provided with a mounting groove for placing a workpiece, and the second rotating shaft is fixed on the mounting block. The rotation angle limiting assembly includes a plurality of screw holes provided on the mounting plate, and the second rotating shaft is provided with threads matched with the screw holes.

[0009] The workpiece includes a first connecting piece and a second connecting piece hinged to the first connecting piece, the second connecting piece is provided with a passage for passing an elastic rope, and the elastic rope passes through a through groove provided on the first connecting piece and is connected to the first movable block.

[0010] It also includes a mounting plate, on which the workpiece fixing assembly and the stretching assembly are mounted.

[0011] An adjusting component is provided between the workpiece fixing component and the stretching component, and the adjusting component includes an adjusting cylinder, and an adjusting plate is fixed on the output shaft of the adjusting cylinder. The adjusting cylinder is fixed on the bottom surface of the mounting plate, and a through hole is provided on the mounting plate. The adjusting cylinder can adjust the elastic rope to facilitate its stretching.

[0012] Compared with the prior art, the utility model has the advantages that: the utility model has a simple structure, can adapt to the stretching and straightening of steel wire ropes in various workpieces through the angle adjustment component, and the setting of the slot facilitates the rapid positioning and installation of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 yes Figure 1 A magnified image of point A;

[0015] Figure 3 yes Figure 1 The enlarged view of point B;

[0016] Figure 4 This is a partial exploded view;

[0017] Reference numerals:

[0018] 1 workpiece fixing assembly; 101 positioning assembly; 102 adjusting assembly; 103 second movable block; 1031 connecting piece; 1032 first rotating hole; 1033 second rotating hole; 1034 mounting block; 1035 mounting slot; 104 slot; 105 limiting block; 106 first rotating shaft; 107 second rotating shaft;

[0019] 2 stretching assembly; 201 first movable block; 202 slide rail; 203 hand wheel; 204 wedge groove; 205 gear;

[0020] 3 elastic rope; 301 first connecting member; 302 second connecting member; 303 channel;

[0021] 4 rotation angle limit assembly; 401 screw hole; 402 thread;

[0022] 5 connecting structure; 501 hook; 502 ring; 6 mounting plate; 7 workpiece; 801 adjusting cylinder; 802 adjusting plate. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0024] Referring to the accompanying drawings, the utility model adopts the following technical scheme: an elastic rope 3 stretching device, comprising a workpiece fixing component 1, a stretching component 2 for positioning on the workpiece fixing component 1, the stretching component 2 comprising a first movable block 201, the elastic rope 3 on the workpiece 7 is mounted on the first movable block 201, and the first movable block 201 is movably arranged to achieve the straightening of the elastic rope 3; the workpiece fixing component 1 comprises a positioning component 101 and an adjusting component 102, one end of the workpiece 7 is detachably connected to the positioning component 101, the adjusting component 102 comprises a rotatably connected second movable block 103, the workpiece 7 is placed on the second movable block 103, and also comprises a rotation angle limiting component 4 to limit the rotation angle of the second movable block 103 to adapt to a variety of workpieces 7, and to ensure that the elastic rope 3 has sufficient space to be stretched, so that it will not conflict with the first connecting member 301 when being stretched by the stretching component 2, affecting the stretching and straightening effects, and reducing the friction of contacting the inner wall.

[0025] Preferably, the stretching assembly 2 includes a slide rail 202, the first movable block 201 is slidably connected to the slide rail 202, and also includes a driving assembly for controlling the first movable block 201. The driving assembly includes a hand wheel 203, a plurality of wedge-shaped grooves 204 are provided on the first movable block 201, and the hand wheel 203 is engaged with the wedge-shaped grooves 204 through a transmission assembly to control the axial movement of the first movable block 201 on the slide rail 202.

[0026] The transmission assembly can be a first wedge wheel and a second wedge wheel meshing therewith, wherein the first wedge wheel is fixed on the rotating shaft of the hand wheel 203, and the second wedge wheel is fixed on the rotating shaft of the gear 205, the gear 205 is rotatably connected to the mounting plate 6, and the gear 205 meshes with the wedge groove 204.

[0027] Preferably, the first movable block 201 is fixedly connected to the elastic rope 3 via a connecting structure 5 , and the connecting structure 5 includes a hook 501 fixed on the first movable block 201 , and the end of the elastic rope 3 forms a circle 502 to cooperate with the hook 501 .

[0028] Preferably, the positioning assembly 101 is provided with at least one slot 104 that matches the shape of one end of the workpiece 7. A stopper 105 is fixed to the slot 104 for limiting the movement of the workpiece 7 toward the stretching assembly 2.

[0029] Preferably, the adjustment assembly 102 includes a first rotating shaft 106 and a second rotating shaft 107, the second movable block 103 includes a connecting member 1031, a first rotating hole 1032 provided on the connecting member 1031 and matched with the first rotating shaft 106, and a second rotating hole 1033 provided on the second rotating shaft 107, the second movable block 103 also includes a mounting block 1034, the mounting block 1034 is provided with a mounting groove 1035 for placing the workpiece 7, and the second rotating shaft 107 is fixed on the mounting block 1034. The rotation angle limiting assembly 4 includes a plurality of screw holes 401 provided on the mounting plate 6, and the second rotating shaft 107 is provided with threads 402 matched with the screw holes 401.

[0030] The workpiece 7 includes a first connecting member 301 and a second connecting member 302 hinged to the first connecting member 301 . The second connecting member 302 is provided with a channel 303 for passing the elastic rope 3 . The elastic rope 3 passes through the groove provided on the first connecting member 301 and is connected to the first movable block 201 .

[0031] It also includes a mounting plate 6 , on which the workpiece fixing assembly 1 and the stretching assembly 2 are mounted.

[0032] An adjusting assembly 102 is provided between the workpiece fixing assembly 1 and the stretching assembly 2, and the adjusting assembly 102 includes an adjusting cylinder 801, and an adjusting plate 802 is fixed on the output shaft of the adjusting cylinder 801. The adjusting cylinder 801 is fixed on the bottom surface of the mounting plate 6, and a through hole is provided on the mounting plate 6. The adjusting cylinder 801 can adjust the elastic rope 3 to facilitate its stretching.

[0033] Compared with the prior art, the advantages of the present invention are: the present invention has a simple structure, can adapt to the stretching and straightening of steel wire ropes in various workpieces 7 through the angle adjustment component 102, and the provision of the slot 104 facilitates rapid positioning and installation of the workpiece 7.

[0034] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0035] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An elastic rope stretching device, characterized in that: The invention comprises a workpiece fixing component (1) and a stretching component (2) used for positioning on the workpiece fixing component (1), wherein the stretching component (2) comprises a first movable block (201), an elastic rope (3) on a workpiece (7) is mounted on the first movable block (201), and the first movable block (201) is movably arranged to realize straightening of the elastic rope (3); the workpiece fixing component (1) comprises a positioning component (101) and an adjusting component (102), one end of the workpiece (7) is detachably connected to the positioning component (101), the adjusting component (102) comprises a rotatably connected second movable block (103), the workpiece (7) is placed on the second movable block (103), and further comprises a rotation angle limiting component (4) to limit the rotation angle of the second movable block (103).

2. The elastic cord stretching device according to claim 1, characterized in that: The stretching assembly (2) comprises a slide rail (202), the first movable block (201) is slidably connected to the slide rail (202), and also comprises a driving assembly for controlling the first movable block (201).

3. The elastic cord stretching device according to claim 2, characterized in that: The driving assembly comprises a hand wheel (203), a plurality of wedge-shaped grooves (204) are provided on the first movable block (201), and the hand wheel (203) is engaged with the wedge-shaped grooves (204) through a transmission assembly to control the axial movement of the first movable block (201) on the slide rail (202).

4. The elastic cord stretching device according to claim 1, characterized in that: The first movable block (201) is fixedly connected to the elastic rope (3) via a connecting structure (5); the connecting structure (5) comprises a hook (501) fixed to the first movable block (201); the end of the elastic rope (3) forms a circle (502) to cooperate with the hook (501).

5. The elastic cord stretching device according to claim 1, characterized in that: The positioning component (101) is provided with at least one slot (104) that matches the shape of one end of the workpiece (7).

6. The elastic cord stretching device according to claim 5, characterized in that: A limiting block (105) is fixed on the slot (104) and is used to limit the movement of the workpiece (7) toward the stretching assembly (2).

7. The elastic cord stretching device according to claim 1, characterized in that: The adjustment assembly (102) comprises a first rotating shaft (106) and a second rotating shaft (107); the second movable block (103) comprises a connecting piece (1031), a first rotating hole (1032) formed on the connecting piece (1031) and cooperating with the first rotating shaft (106), and a second rotating hole (1033) cooperating with the second rotating shaft (107); the second movable block (103) further comprises a mounting block (1034); a mounting groove (1035) for placing a workpiece (7) is formed on the mounting block (1034); and the second rotating shaft (107) is fixed on the mounting block (1034).

8. The elastic cord stretching device according to claim 7, characterized in that: The rotation angle limiting assembly (4) comprises a plurality of screw holes (401) provided on the mounting plate (6), and a thread (402) matched with the screw holes (401) is provided on the second rotating shaft (107).

9. The elastic cord stretching device according to claim 1, characterized in that: The workpiece (7) comprises a first connecting piece (301) and a second connecting piece (302) hinged to the first connecting piece (301); the second connecting piece (302) is provided with a passage (303) for passing an elastic rope (3); the elastic rope (3) passes through a groove provided on the first connecting piece (301) and is connected to the first movable block (201); It also comprises a mounting plate (6), on which the workpiece fixing assembly (1) and the stretching assembly (2) are mounted.

10. The elastic cord stretching device according to claim 1, characterized in that: An adjustment component (102) is provided between the workpiece fixing component (1) and the stretching component (2), and the adjustment component (102) comprises an adjustment cylinder (801), and an adjustment plate (802) is fixed on the output shaft of the adjustment cylinder (801).

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