CN113508978A

CN113508978A - Novel pull rod

Info

Publication number: CN113508978A
Application number: CN202110864535.3A
Authority: CN
Inventors: 张效益; 金星攀; 丁一凡
Original assignee: Xiamen Weilv Technology Co ltd
Current assignee: Xiamen Weilv Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-19

Abstract

The invention discloses a novel pull rod which comprises a telescopic rod, wherein an article fixing pipe and an article moving pipe are arranged at the lower end of the telescopic rod; the article moving pipe and the article fixing pipe are respectively fixedly connected with the upper end and the lower end of the longitudinal telescopic article; the lower end of the article moving pipe is provided with a first locking piece; the lower end of the article moving pipe is sleeved in the article fixing pipe, and the article moving pipe is locked on the article fixing pipe through the first locking piece; the telescopic rod is arranged at the upper end of the article moving pipe and pushes and pulls the articles through the telescopic rod; the telescopic rod can adjust the relative length of the article fixing tube and the article moving tube through the first locking piece according to the actual telescopic height of the article, and push and pull the article through the telescopic rod, so that the use requirement of the telescopic article can be met.

Description

Novel pull rod

Technical Field

The invention relates to the technical field of pull rods, in particular to a novel pull rod.

Background

In actual production and life, a telescopic pull rod is often adopted to push and pull articles so as to rapidly realize the movement of the articles. Because many articles can be stretched and contracted along the height direction according to actual needs, the lower end of the existing pull rod is usually fixed in length, and the pull rod is fixed on the articles, when the articles are stretched and contracted, the length of the pull rod extending out of the articles is often too long or too short, and the stability of the pull rod arranged on the articles is poor, so that the actual use requirements of pushing and pulling the articles are difficult to meet.

Disclosure of Invention

The invention aims to provide a novel pull rod, which can adjust the relative length of an article fixing pipe and an article moving pipe through a first locking piece according to the actual telescopic height of an article, and can adapt to the use requirement of the telescopic article by pushing and pulling the article through a telescopic rod.

In order to achieve the purpose, the invention adopts the following technical scheme:

a novel pull rod comprises a telescopic rod, wherein an article fixing pipe and an article moving pipe are arranged at the lower end of the telescopic rod; the article moving pipe and the article fixing pipe are respectively fixedly connected with the upper end and the lower end of the longitudinal telescopic article; the lower end of the article moving pipe is provided with a first locking piece; the lower end of the article moving pipe is sleeved in the article fixing pipe, and the article moving pipe is locked on the article fixing pipe through the first locking piece; the telescopic rod is arranged at the upper end of the article moving pipe and pushes and pulls articles through the telescopic rod.

Furthermore, the first locking piece comprises a first seat body, a plurality of first locking pins, a first spring and a first thrust piece; the first seat body is fixedly arranged at the lower end of the article moving pipe; a plurality of first locking holes are formed in the article fixing pipe at intervals from top to bottom; the first lock pin and the first spring are arranged in the first seat body, one end of the first lock pin is connected with the first spring, and the other end of the first lock pin is embedded into the first locking hole; the first thrust piece is arranged on the first seat body, and the first lock pin is driven to retract into the first seat body through the first thrust piece.

Further, the telescopic rod comprises a push-pull fixed pipe and a push-pull movable pipe; the push-pull fixed pipe is sleeved in the article moving pipe, and the lower end of the push-pull fixed pipe is fixed on one side of the upper end of the first seat body; the lower end of the push-pull movable pipe is provided with a second locking piece; the lower end of the push-pull movable pipe is sleeved in the push-pull fixed pipe, and the push-pull movable pipe is locked on the push-pull fixed pipe through the second locking piece.

Further, the second locking member includes a second seat, a second lock pin, a second spring and a second thrust member; the second seat body is fixedly arranged at the lower end of the article moving pipe; a plurality of second locking holes are formed in the push-pull fixing pipe at intervals from top to bottom; the second lock pin and the second spring are arranged in the second seat body, one end of the second lock pin is connected with the second spring, and the other end of the second lock pin is embedded into the second locking hole; the second thrust piece is arranged on the second seat body, and the second lock pin is driven to retract into the second seat body through the second thrust piece.

Furthermore, the number of the first lock pins is two, and the two first lock pins are oppositely arranged on two sides of the first seat body; the end parts of the first springs are respectively fixedly connected with the inner ends of the two first lock pins; a first inclined groove is formed in the upper end of the first lock pin; the first thrust piece is arranged on the first seat body in a sliding mode, and a first inclined convex part is arranged at the lower end of the first thrust piece; a first connecting rod is fixed at the upper end of the first thrust piece; the first connecting rod is positioned on the outer side of the push-pull fixed pipe, the upper end of the first connecting rod extends out of the article moving pipe, and the first inclined convex part is driven by pressing the first connecting rod downwards to drive the first inclined groove to move inwards so that the first lock pin retracts into the first seat body.

Furthermore, one end of the second spring is fixedly connected with the inner end of the second lock pin, and the other end of the second spring is fixedly connected with the second seat body; a second chute is arranged at the upper end of the second lock pin; the second thrust piece is arranged on the second seat body in a sliding mode, and a second inclined convex part is arranged at the lower end of the second thrust piece; a second connecting rod is fixed at the upper end of the second thrust piece; the upper end of the second connecting rod extends out of the push-pull moving pipe, and the second connecting rod is pressed downwards to drive the second inclined convex part to drive the second inclined groove to move inwards so that the second lock pin retracts into the second seat body.

Furthermore, the article fixing tube, the article moving tube and the telescopic rod are oppositely arranged at the left and the right; a mounting seat is fixed between the upper ends of the two article moving pipes, and a handle is fixed between the upper ends of the two push-pull moving pipes; the mounting seat is provided with a first driving piece, and two first connecting rods which are arranged oppositely are pressed downwards through the first driving piece; the handle is provided with a second driving piece, and two oppositely arranged second connecting rods are pressed downwards through the second driving piece.

Furthermore, the first driving member comprises a first driving key and two first driving rods respectively arranged at the side edges of the first driving key; the two ends of the first driving rod are inclined planes, and the first driving rod is arranged on the mounting seat in a sliding manner; the first driving key is pressed down to push the two first driving rods to move outwards so as to press down the first connecting rod; a first driving spring is arranged in the first driving rod, and two ends of the first driving spring are respectively connected with the first driving rod and the mounting seat to enable the first driving rod to move inwards and reset.

Furthermore, the second driving member comprises a second driving key and two second driving rods respectively arranged at the side edges of the second driving key; the two ends of the second driving rod are inclined planes, and the second driving rod is arranged on the handle in a sliding manner; the second driving key is pressed down to push the two second driving rods to move outwards so as to press down the second connecting rod; and a second driving spring is arranged in the second driving rod, and two ends of the second driving spring are respectively connected with the second driving rod and the handle to enable the second driving rod to move inwards and reset.

After the technical scheme is adopted, the invention has the following beneficial effects:

1. according to the novel pull rod, the relative lengths of the article fixing pipe and the article moving pipe can be adjusted through the first locking piece according to the actual telescopic height of an article, and the article can be pushed and pulled through the telescopic rod, so that the use requirement of the telescopic article can be met.

2. According to the novel pull rod, two first driving rods can be pushed to move outwards to press down the first connecting rods by pressing the first driving keys, the first connecting rods are pressed down to drive the first inclined convex parts to drive the first inclined grooves to move inwards so that the first locking pins retract into the first seat body, the article moving pipes can move along the article fixing pipes to perform article height adjustment, the first driving keys are released after the height adjustment is completed, the first locking pins are embedded into the first locking holes under the action of the restoring force of the first springs to lock the article fixing pipes and the article moving pipes, and meanwhile the first driving springs enable the first driving rods to move inwards to reset.

3. According to the novel pull rod, two second driving rods can be pushed to move outwards to press down the second connecting rod by pressing the second driving key, the second connecting rod is pressed down to drive the second inclined convex part to drive the second chute to move inwards so that the second lock pin retracts into the second seat body, the push-pull movable pipe can move along the push-pull fixed pipe to adjust the height of the handle, the second driving key is released after the height is adjusted, the second lock pin is embedded into the second locking hole under the action of the restoring force of the second spring to lock the push-pull fixed pipe and the push-pull movable pipe, and meanwhile, the second driving spring enables the second driving rods to move inwards to reset.

Drawings

FIG. 1 is a schematic front side three-dimensional structure of the present invention;

FIG. 2 is a schematic rear side three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the present invention without the mounting base and handle installed;

FIG. 4 is a schematic view of the connection structure of the first driving member and the second driving member of the present invention;

FIG. 5 is a schematic longitudinal sectional view along the first thrust member of the present invention;

FIG. 6 is a partial enlarged view of portion B of FIG. 5;

FIG. 7 is a schematic longitudinal sectional view along the second thrust member of the present invention;

FIG. 8 is an enlarged view of a portion A of FIG. 7;

FIG. 9 is a schematic view of the first and second driving members of the present invention;

FIG. 10 is a schematic structural view of the first locking element of the present invention without the first seat;

fig. 11 is a schematic structural view of the second locking member of the present invention when the second seat is not installed.

The reference numbers in the figures denote:

1. an article holding tube; 10. a first locking hole; 2. an article moving pipe; 3. a telescopic rod; 30. pushing and pulling the fixed pipe; 300. a second locking hole; 31. pushing and pulling the movable tube; 32. a second lock; 320. a second seat body; 321. a second lock pin; 3210. a second chute; 322. a second spring; 323. a second thrust member; 3230. a second oblique convex portion; 324. a second link; 4. a first locking member; 40. a first seat body; 41. a first lock pin; 410. a first chute; 42. a first spring; 43. a first thrust member; 430. a first oblique convex portion; 44. a first link; 5. a mounting seat; 50. a first driving member; 500. a first drive key; 501. a first drive lever; 502. a first drive spring; 6. a handle; 60. a second driving member; 600. a second drive key; 601. a second drive lever; 602. a second drive spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 11, a novel drawbar comprises a telescopic rod 3, wherein an article fixing tube 1 and an article moving tube 2 are arranged at the lower end of the telescopic rod 3; the article moving pipe 2 and the article fixing pipe 1 are respectively fixedly connected with the upper end and the lower end of the longitudinal telescopic article; the lower end of the article moving pipe 2 is provided with a first locking piece 4; the lower end of the article moving pipe 2 is sleeved in the article fixing pipe 1, and the article moving pipe 2 is locked on the article fixing pipe 1 through the first locking piece 4; the telescopic rod 3 is arranged at the upper end of the article moving pipe 2 and pushes and pulls articles through the telescopic rod 3.

As shown in fig. 1, 3, 4, 5, 6 and 10, the first locking member 4 includes a first housing 40, a plurality of first locking pins 41, a first spring 42 and a first thrust member 43; the first seat 40 is fixedly arranged at the lower end of the article moving pipe 2; the article fixing pipe 1 is provided with a plurality of first locking holes 10 at intervals from top to bottom; the first lock pin 41 and the first spring 42 are arranged in the first seat 40, one end of the first lock pin 41 is connected with the first spring 42, and the other end of the first lock pin 41 is embedded in the first locking hole 10; the first thrust member 43 is disposed on the first seat 40, and the first lock pin 41 is driven to retract into the first seat 40 by the first thrust member 43.

As shown in fig. 2, 3, 4, 7, 8 and 11, the telescopic rod 3 comprises a push-pull fixing tube 30 and a push-pull moving tube 31; the push-pull fixing pipe 30 is sleeved in the article moving pipe 2, and the lower end of the push-pull fixing pipe is fixed on one side of the upper end of the first seat body 40; the lower end of the push-pull moving pipe 31 is provided with a second locking piece 32; the lower end of the push-pull movable pipe 31 is sleeved in the push-pull fixed pipe 30, and the push-pull movable pipe 31 is locked on the push-pull fixed pipe 30 through the second locking piece 32.

As shown in fig. 2, 3, 4, 7, 8 and 11, the second locking member 32 includes a second seat 320, a second locking pin 321, a second spring 322 and a second thrust member 323; the second seat 320 is fixedly arranged at the lower end of the article moving pipe 2; a plurality of second locking holes 300 are formed in the push-pull fixing tube 30 at intervals from top to bottom; the second lock pin 321 and the second spring 322 are disposed in the second seat 320, one end of the second lock pin 321 is connected to the second spring 322, and the other end of the second lock pin 321 is embedded in the second locking hole 300; the second thrust member 323 is disposed on the second seat 320, and the second thrust member 323 drives the second lock pin 321 to retract into the second seat 320.

As shown in fig. 4, 5, 6 and 10, the number of the first lock pins 41 is two, and the two first lock pins 41 are oppositely disposed on two sides of the first seat 40; the end parts of the first springs 42 are respectively fixedly connected with the inner ends of the two first lock pins 41; the upper end of the first lock pin 41 is provided with a first inclined groove 410; the first thrust piece 43 is slidably disposed on the first seat 40, and a first inclined convex part 430 is disposed at the lower end of the first thrust piece 43; a first connecting rod 44 is fixed at the upper end of the first thrust piece 43; the first link 44 is located outside the push-pull fixing tube 30, and the upper end of the first link 44 extends out of the article moving tube 2, and the first inclined protrusion 430 is driven by pressing the first link 44 downward to drive the first inclined groove 410 to move inward, so that the first lock pin 41 retracts into the first seat 40.

As shown in fig. 4, 5, 6 and 10, one end of the second spring 322 is fixedly connected to the inner end of the second locking pin 321, and the other end of the second spring 322 is fixedly connected to the second seat 320; a second chute 3210 is arranged at the upper end of the second lock pin 321; the second thrust piece 323 is slidably disposed on the second seat 320, and a second inclined convex portion 3230 is disposed at a lower end of the second thrust piece 323; a second connecting rod 324 is fixed at the upper end of the second thrust piece 323; the upper end of the second connecting rod 324 extends out of the push-pull moving tube 31, and the second connecting rod 324 is pressed downwards to drive the second inclined protrusion 3230 to drive the second inclined groove 3210 to move inwards, so that the second lock pin 321 retracts into the second seat 320.

As shown in fig. 1, 2, 3, 4, 5 and 9, the article fixing tube 1, the article moving tube 2 and the telescopic rod 3 are oppositely arranged at the left and right sides; a mounting seat 5 is fixed between the upper ends of the two article moving pipes 2, and a handle 6 is fixed between the upper ends of the two push-pull moving pipes 31; the mounting seat 5 is provided with a first driving piece 50, and two oppositely arranged first connecting rods 44 are pressed downwards through the first driving piece 50; the handle 6 is provided with a second driving member 60, and two second connecting rods 324 arranged oppositely are pressed down by the second driving member 60.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 9, the first driving member 50 includes a first driving key 500 and two first driving rods 501 respectively disposed at lateral sides of the first driving key 500; two ends of the first driving rod 501 are inclined planes, and the first driving rod 501 is slidably arranged on the mounting base 5; the first driving key 500 is pressed down to push the two first driving rods 501 to move outwards so as to press down the first connecting rod 44; a first driving spring 502 is arranged in the first driving rod 501, and two ends of the first driving spring 502 are respectively connected with the first driving rod 501 and the mounting seat 5 to enable the first driving rod 501 to move inwards and reset;

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 9, the second driving member 60 includes a second driving key 600 and two second driving rods 601 respectively disposed at the sides of the second driving key 600; the two ends of the second driving rod 601 are inclined planes, and the second driving rod 601 is slidably arranged on the handle 6; the second driving key 600 is pressed down to push the two second driving rods 601 to move outwards to press down the second connecting rod 324; a second driving spring 602 is arranged in the second driving rod 601, and two ends of the second driving spring 602 are respectively connected with the second driving rod 601 and the handle 6 to enable the second driving rod 601 to move inwards and return.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a novel pull rod, includes telescopic link (3), its characterized in that: the lower end of the telescopic rod (3) is provided with an article fixing pipe (1) and an article moving pipe (2); the article moving pipe (2) and the article fixing pipe (1) are respectively fixedly connected with the upper end and the lower end of the longitudinal telescopic article; the lower end of the article moving pipe (2) is provided with a first locking piece (4); the lower end of the article moving pipe (2) is sleeved in the article fixing pipe (1), and the article moving pipe (2) is locked on the article fixing pipe (1) through a first locking piece (4); the telescopic rod (3) is arranged at the upper end of the article moving pipe (2) and pushes and pulls articles through the telescopic rod (3).

2. A new drawbar as in claim 1 wherein: the first locking piece (4) comprises a first base body (40), a plurality of first locking pins (41), a first spring (42) and a first thrust piece (43); the first seat body (40) is fixedly arranged at the lower end of the article moving pipe (2); the article fixing pipe (1) is provided with a plurality of first locking holes (10) at intervals from top to bottom; the first lock pin (41) and the first spring (42) are arranged in the first seat body (40), one end of the first lock pin (41) is connected with the first spring (42), and the other end of the first lock pin (41) is embedded into the first locking hole (10); the first thrust piece (43) is arranged on the first seat body (40), and the first lock pin (41) is driven to retract into the first seat body (40) through the first thrust piece (43).

3. A new drawbar as in claim 2 wherein: the telescopic rod (3) comprises a push-pull fixed pipe (30) and a push-pull movable pipe (31); the push-pull fixed pipe (30) is sleeved in the article moving pipe (2) and the lower end of the push-pull fixed pipe is fixed on one side of the upper end of the first seat body (40); the lower end of the push-pull moving pipe (31) is provided with a second locking piece (32); the lower end of the push-pull movable pipe (31) is sleeved in the push-pull fixed pipe (30), and the push-pull movable pipe (31) is locked on the push-pull fixed pipe (30) through a second locking piece (32).

4. A new drawbar as in claim 3 wherein: the second locking piece (32) comprises a second seat body (320), a second locking pin (321), a second spring (322) and a second thrust piece (323); the second seat body (320) is fixedly arranged at the lower end of the article moving pipe (2); a plurality of second locking holes (300) are formed in the push-pull fixing pipe (30) at intervals from top to bottom; the second lock pin (321) and the second spring (322) are arranged in the second seat body (320), one end of the second lock pin (321) is connected with the second spring (322), and the other end of the second lock pin (321) is embedded into the second locking hole (300); the second thrust piece (323) is arranged on the second seat body (320), and the second thrust piece (323) drives the second lock pin (321) to retract into the second seat body (320).

5. A new type of drawbar as in claim 4 wherein: the number of the first lock pins (41) is two, and the two first lock pins (41) are oppositely arranged on two sides of the first seat body (40); the end parts of the first springs (42) are respectively fixedly connected with the inner ends of the two first lock pins (41); a first chute (410) is arranged at the upper end of the first lock pin (41); the first thrust piece (43) is arranged on the first seat body (40) in a sliding mode, and a first inclined convex part (430) is arranged at the lower end of the first thrust piece (43); a first connecting rod (44) is fixed at the upper end of the first thrust piece (43); the first connecting rod (44) is positioned on the outer side of the push-pull fixed pipe (30), the upper end of the first connecting rod (44) extends out of the article moving pipe (2), and the first inclined convex part (430) is driven by pressing down the first connecting rod (44) to drive the first inclined groove (410) to move inwards so that the first lock pin (41) retracts into the first seat body (40).

6. A new drawbar as in claim 5 wherein: one end of the second spring (322) is fixedly connected with the inner end of the second lock pin (321), and the other end of the second spring (322) is fixedly connected with the second seat body (320); a second chute (3210) is arranged at the upper end of the second lock pin (321); the second thrust piece (323) is arranged on the second seat body (320) in a sliding mode, and a second inclined convex part (3230) is arranged at the lower end of the second thrust piece (323); a second connecting rod (324) is fixed at the upper end of the second thrust piece (323); the upper end of the second connecting rod (324) extends out of the push-pull moving pipe (31), and the second inclined convex part (3230) is driven by pressing the second connecting rod (324) downwards to drive the second inclined groove (3210) to move inwards so that the second lock pin (321) retracts into the second seat body (320).

7. A new drawbar as in claim 6 wherein: the article fixing pipe (1), the article moving pipe (2) and the telescopic rod (3) are oppositely arranged at the left and the right; a mounting seat (5) is fixed between the upper ends of the two article moving pipes (2), and a handle (6) is fixed between the upper ends of the two push-pull moving pipes (31); a first driving piece (50) is arranged on the mounting seat (5), and two first connecting rods (44) which are arranged oppositely are pressed downwards through the first driving piece (50); the handle (6) is provided with a second driving piece (60), and two oppositely arranged second connecting rods (324) are pressed down through the second driving piece (60).

8. A new drawbar as in claim 7 wherein: the first driving piece (50) comprises a first driving key (500) and two first driving rods (501) which are respectively arranged at the side edges of the first driving key (500); two ends of the first driving rod (501) are inclined planes, and the first driving rod (501) is arranged on the mounting seat (5) in a sliding mode; the first driving key (500) is pressed downwards to push the two first driving rods (501) to move outwards so as to press the first connecting rod (44) downwards; a first driving spring (502) is arranged in the first driving rod (501), and two ends of the first driving spring (502) are respectively connected with the first driving rod (501) and the mounting seat (5) to enable the first driving rod (501) to move inwards and reset.

9. A new drawbar as in claim 7 wherein: the second driving part (60) comprises a second driving key (600) and two second driving rods (601) which are respectively arranged at the side edges of the second driving key (600); two ends of the second driving rod (601) are inclined planes, and the second driving rod (601) is arranged on the handle (6) in a sliding mode; the second driving key (600) is pressed downwards to push the two second driving rods (601) to move outwards so as to press the second connecting rod (324) downwards; and a second driving spring (602) is arranged in the second driving rod (601), and two ends of the second driving spring (602) are respectively connected with the second driving rod (601) and the handle (6) to enable the second driving rod (601) to move inwards and reset.