Lightweight pull rod structure

Abstract

The utility model relates to the technical field of pull rod structures, in particular to a light-weight pull rod structure which comprises a main rod, the upper end and the lower end of the main rod are movably connected with a first movable rod and a second movable rod in a sleeved mode respectively, and pull plates are fixedly installed at the ends of the first movable rod and the second movable rod. A positioning mechanism is arranged between the main rod and the first movable rod and between the main rod and the second movable rod, clamping assemblies are arranged on the outer sides of the first movable rod and the second movable rod, the upper end and the lower end of the main rod are movably connected with the first movable rod and the second movable rod in a sleeved mode, and clamping assemblies are arranged on the outer sides of the first movable rod and the second movable rod. And in the process that the first movable rod and the second movable rod move on the outer side of the main rod, any limiting and fixing can be conducted, and therefore the positions of the first movable rod and the second movable rod can be freely adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to pull rod structure technical field especially relates to a lightweight pull rod structure. BACKGROUND

[0002] Lightweight pull rod structure is a kind of structure form by optimization design and material selection, so that pull rod keeps enough strength and rigidity at the same time, as far as possible reduces its self weight.Lightweight pull rod structure is usually used in various machinery, building, aerospace, automobile and other fields, especially in the occasion needing to bear tension or compression.Lightweight design can improve performance, save energy, reduce cost, especially in the application needing to improve equipment performance and reduce weight.

[0003] In prior art, lightweight pull rod structure, when moving to certain position in the process of adjusting, it needs to be fixed in position to ensure the stable use of pull rod structure, but the existing lightweight pull rod structure, when being fixed in position, most of them use bolt and nut to cooperate, so as to achieve the purpose of limiting and fixing, but when pull rod needs to be frequently moved and adjusted, the bolt limiting needs to be constantly disassembled and installed, and the whole process is relatively cumbersome. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the deficiency of prior art provides the following technical scheme: a lightweight pull rod structure, including main rod, the upper and lower two ends of main rod are movably sleeved with movable rod one and movable rod two, and the end of movable rod one and movable rod two is fixedly installed with the pull plate, the positioning mechanism is arranged between main rod and movable rod one and movable rod two, the outside of movable rod one and movable rod two is evenly provided with the detent assembly, the inside of the both sides of main rod is evenly provided with a plurality of equidistance distribution limit hole, and the both sides of movable rod one and movable rod two are provided with through-hole;The positioning mechanism is used to limit movable rod one and movable rod two in the process of moving;The detent assembly is used to cooperate with through-hole and limit hole, so as to fix movable rod one and movable rod two after moving on main rod.

[0005] As the improvement of the above technical scheme, the positioning mechanism includes fixedly installed in the outer surface of the fixed sleeve of main rod one side, the inner side of fixed sleeve is fixedly installed with the positioning rod, the both ends of the end of positioning rod are penetrated pull plate and are movably connected with pull plate, the inside of pull plate is provided with the activity hole that is suitable for positioning rod.

[0006] As the improvement of the above technical scheme, the clamping assembly comprises two fixing members fixedly installed on the side surfaces of the movable rod one and the movable rod two respectively, a rotating member rotatably arranged between the two fixing members, a micro lead screw rotatably arranged in the two ends of the rotating member, a connecting plate fixedly connected to the end of the micro lead screw away from the rotating member, and a limiting column fixedly installed on the other end side surface of the connecting plate.

[0007] As the improvement of the above technical scheme, the end of the limiting column is movably inserted into the through hole and the limiting hole in sequence, the thread directions of the micro lead screws arranged at the two ends of the rotating member are opposite, and the two ends of the rotating member are both provided with a thread groove matched with the micro lead screw.

[0008] As the improvement of the above technical scheme, the diameters of the through hole and the limiting hole are the same, and the positions of the through hole and the limiting hole are corresponding.

[0009] As the improvement of the above technical scheme, the inside of each fixing member is provided with a movable groove, the micro lead screw is arranged in the movable groove, and the inside of each fixing member is further provided with a through groove, the through groove is arranged at the lower end of the movable groove, and the movable groove and the through groove are communicated.

[0010] As the improvement of the above technical scheme, the end of each micro lead screw is fixedly provided with a connecting rod on the lower side, the outer surface of the movable rod one and the movable rod two is fixedly provided with a fixing seat, the fixing seat is arranged directly below the fixing member, the inner side of the fixing seat is provided with a sliding groove, and one end of the connecting rod is slidably arranged in the sliding groove.

[0011] The beneficial effects of the present application are as follows:

[0012] The movable rod one and the movable rod two are movably sleeved with the main rod at the upper and lower ends, and the clamping assembly is arranged on the outer side of the movable rod one and the movable rod two, so that the movable rod one and the movable rod two can be fixed and limited in cooperation with the through hole and the limiting hole during the movement on the outer side of the main rod, the positions of the movable rod one and the movable rod two can be freely adjusted, and the convenience of the overall device during adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the present application;

[0014] Figure 2 It is a side view of the present application;

[0015] Figure 3 It is a structure view of the rotating member in the present application;

[0016] Figure 4 It is a structure view of the present application Figure 1An enlarged structural view at point A in the middle;

[0017] Figure 5 The utility model discloses Figure 2 An enlarged structural view at point B in the middle.

[0018] Fig. 1, main rod; 11, limit hole; 2, movable rod one; 3, movable rod two; 4, pull plate; 41, movable hole; 5, positioning rod; 6, fixed sleeve; 7, rotating part; 71, micro lead screw; 72, connecting plate; 73, limit column; 74, fixing piece; 741, movable slot; 742, through slot; 75, connecting rod; 8, fixed seat; 81, sliding groove; 10, through hole. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical scheme and advantages more clearly, the following will be further detailed. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a lightweight pull rod structure, including main rod 1, the upper and lower ends of main rod 1 are movably sleeved with movable rod one 2 and movable rod two 3, and the end of movable rod one 2 and movable rod two 3 is fixedly installed with pull plate 4, positioning mechanism is provided between main rod 1 and movable rod one 2 and movable rod two 3, movable rod one 2 and movable rod two 3 are provided with clamping component on the outside, the inside of the two sides of main rod 1 is provided with a plurality of equidistantly distributed limit holes 11, and the two sides of movable rod one 2 and movable rod two 3 are provided with through hole 10;Positioning mechanism is used to limit movable rod one 2 and movable rod two 3 in the process of moving;Clamping component is used to cooperate with through hole 10, limit hole 11, so that movable rod one 2 and movable rod two 3 after moving are fixed on main rod 1.

[0021] In the embodiment, movable rod one 2 and movable rod two 3 are movably sleeved at the upper and lower ends of main rod 1, and clamping component is provided on the outside of movable rod one 2 and movable rod two 3, under the action of clamping component, movable rod one 2 and movable rod two 3 can be arbitrarily limited and fixed during moving on the outside of main rod 1, so that the position of movable rod one 2 and movable rod two 3 can be freely adjusted.

[0022] Specifically, the positioning mechanism includes a fixed sleeve 6 fixedly installed on the outer surface of one side of the main rod 1, a positioning rod 5 fixedly installed on the inner side of the fixed sleeve 6, and the two ends of the positioning rod 5 penetrating through the pull plate 4 and movably connected with the pull plate 4.

[0023] In the embodiment, the inner part of the pull plate 4 is provided with a movable hole 41 matched with the positioning rod 5, and the positioning mechanism is arranged between the main rod 1 and the movable rod one 2 and the movable rod two 3, and the positioning rod 5, the fixed sleeve 6 and the movable hole 41 are matched with each other in the positioning mechanism, so that the stability of the movable rod one 2 and the movable rod two 3 during movement can be ensured when the movable rod one 2 and the movable rod two 3 move on the main rod 1, and the deviation of the movable rod one 2 and the movable rod two 3 during movement can be avoided.

[0024] Specifically, the clamping component includes two fixed parts 74 fixedly installed on the side surfaces of the movable rod one 2 and the movable rod two 3, respectively, and a rotating part 7 rotatably arranged between the two fixed parts 74, and the inner part of both ends of the rotating part 7 is screwed with a micro lead screw 71, one end of the micro lead screw 71 away from the rotating part 7 is fixedly connected with a connecting plate 72, the other end side surface of the connecting plate 72 is fixedly installed with a limiting column 73, the end part of the limiting column 73 is sequentially movably inserted into the inner part of the through hole 10 and the limiting hole 11 at the corresponding position, the screw thread directions of the micro lead screws 71 arranged at both ends of the rotating part 7 are opposite, the inner part of both ends of the rotating part 7 is provided with a screw thread groove matched with the micro lead screw 71, the diameters of the through hole 10 and the limiting hole 11 are the same, and the positions of the through hole 10 and the limiting hole 11 correspond to each other, the inner part of each fixed part 74 is provided with an active groove 741, and the micro lead screw 71 is located in the inner part of the active groove 741, and the inner part of each fixed part 74 is further provided with a through groove 742, the through groove 742 is located at the lower end of the active groove 741, and the active groove 741 and the through groove 742 are communicated, and the end part of each micro lead screw 71 is fixedly installed with a connecting rod 75, and the outer surface of the movable rod one 2 and the movable rod two 3 is fixedly installed with a fixed seat 8, the fixed seat 8 is located directly below the fixed part 74, the inner side of the fixed seat 8 is provided with a sliding groove 81, and one end of the connecting rod 75 is slidably installed in the inner part of the sliding groove 81.

[0025] In the embodiment, the clamping component is arranged, under the action of the clamping component, the micro lead screws 71 arranged at both ends of the rotating part 7 can be driven to move in extension and retraction by rotating the rotating part 7, so as to drive the connecting plate 72 and the limiting column 73 to move. When the movable rod one 2 and the movable rod two 3 move to the appropriate position, the rotating part 7 is rotated, the limiting column 73 is sequentially inserted into the inner part of the through hole 10 and the limiting hole 11 at the corresponding position, so as to complete the limiting, and the movable rod one 2 and the movable rod two 3 stop moving, and the setting of the connecting rod 75, the fixed seat 8 and the sliding groove 81 can keep stable when the micro lead screw 71 moves, and the deviation of the limiting column 73 during limiting can be avoided, so as to increase the stability of the whole device during use.

[0026] The above embodiments are only used to illustrate the technical scheme of the utility model, but not limit it.

Claims

1. A lightweight drawbar structure comprising a main rod (1), characterized in that: The upper and lower ends of the main rod (1) are movably sleeved with movable rod one (2) and movable rod two (3), and the end of the movable rod one (2) and the movable rod two (3) is fixedly installed with a pull plate (4), the main rod (1) and the movable rod one (2) and the movable rod two (3) are provided with a positioning mechanism, the outer side of the movable rod one (2) and the movable rod two (3) is provided with a clamping assembly, the inside of the two sides of the main rod (1) is provided with a plurality of equidistantly distributed limiting holes (11), and the two sides of the movable rod one (2) and the movable rod two (3) are provided with through holes (10); the positioning mechanism is used for limiting the movable rod one (2) and the movable rod two (3) during movement; the clamping assembly is used for cooperating with the through hole (10) and the limiting hole (11), so that the movable rod one (2) and the movable rod two (3) after movement are fixed on the main rod (1); the clamping assembly comprises two fixed pieces (74) fixedly installed on the side surfaces of the movable rod one (2) and the movable rod two (3) respectively, a rotating piece (7) rotatably arranged between the two fixed pieces (74), a micro lead screw (71) screwedly installed in the inside of both ends of the rotating piece (7), a connecting plate (72) fixedly connected to one end of the micro lead screw (71) away from the rotating piece (7), and a limiting column (73) fixedly installed on the other end side surface of the connecting plate (72).

2. The lightweight drawbar structure of claim 1, wherein: The positioning mechanism comprises a fixed sleeve (6) fixedly installed on the outer surface of one side of the main rod (1), a positioning rod (5) fixedly installed on the inner side of the fixed sleeve (6), and the two ends of the positioning rod (5) penetrating through and movably connected with the pull plate (4), and the inside of the pull plate (4) is provided with a movable hole (41) matched with the positioning rod (5).

3. The lightweight drawbar structure of claim 1, wherein: The end of the limiting column (73) is movably inserted into the through hole (10) and the limiting hole (11) in sequence, and the micro lead screws (71) arranged at both ends of the rotating piece (7) have opposite screw directions, and the inside of both ends of the rotating piece (7) is provided with a threaded groove matched with the micro lead screw (71).

4. The lightweight pull rod structure according to claim 3, characterized in that: The diameters of the through hole (10) and the limiting hole (11) are the same, and the positions of the through hole (10) and the limiting hole (11) correspond to each other.

5. The lightweight pull rod structure of claim 1, wherein: The inside of each fixed piece (74) is provided with an active slot (741), and the micro lead screw (71) is located in the inside of the active slot (741), and the inside of each fixed piece (74) is further provided with a through slot (742), the through slot (742) is located at the lower end of the active slot (741), and the active slot (741) and the through slot (742) are communicated.

6. The lightweight pull rod structure of claim 5, wherein: The end of each micro lead screw (71) is fixedly installed with a connecting rod (75) on the lower side, and the outer surface of the movable rod one (2) and the movable rod two (3) is fixedly installed with a fixed seat (8), the fixed seat (8) is located directly below the fixed piece (74), the inner side of the fixed seat (8) is provided with a sliding groove (81), and one end of the connecting rod (75) is slidably installed in the inside of the sliding groove (81).

Images