CN214465909U

CN214465909U - Length-adjustable guide rod

Info

Publication number: CN214465909U
Application number: CN202120131061.7U
Authority: CN
Inventors: 郭新明; 黄芳
Original assignee: Shenzhen Xinzhongsheng Precision Co ltd
Current assignee: Shenzhen Xinzhongsheng Precision Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-22
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a length-adjustable guide rod, which comprises a loop bar, an inner rod, a chute, a rotating plate, a buffer plate and a buffer cylinder; a positioning plate penetrates through the left side of the threaded rod, a conical gear II is fixedly arranged at the left end of the threaded rod, a conical gear I is meshed with the upper end of the conical gear II, a rotating rod is fixedly arranged at the upper end of the conical gear I, the rotating rod penetrates through and extends to the outer side of the upper end of the loop bar, a rotating plate is fixedly arranged at the upper end of the rotating rod, an adjusting rod is fixedly arranged at the upper end of the rotating plate, and the extension of the inner rod is controlled through the rotation of the adjusting rod; both sides all are equipped with the buffer board about the left end of interior pole, the left end fixedly connected with push rod of buffer board, and the left side of push rod is equipped with the buffer cylinder to thereby can cushion and can protect the device to improve life carrying out flexible in-process.

Description

Length-adjustable guide rod

Technical Field

The utility model relates to a guide bar technical field specifically is a length adjustable guide bar.

Background

The guide rod is a component of a moving pair formed by the guide rod and another moving component in a mechanism, the guide rod is present in most mechanical structures and plays a role in guiding, the traditional guide rod is generally made of metal and plastic materials, and in order to be suitable for different use scenes, the guide rod has various functions except guiding, such as the length can be adjusted. Most guide bars existing in the current market are complex in structure when the length is adjusted, and the adjustment precision and stability are low.

Accordingly, those skilled in the art have provided a guide bar having an adjustable length to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a length-adjustable guide bar to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a length-adjustable guide rod comprises a loop bar, an inner rod, a sliding chute, a rotating plate, a buffer plate and a buffer cylinder; an inner rod is movably arranged inside the loop bar, the right end of the inner rod penetrates and extends to the right side of the loop bar, a sealing washer is fixedly arranged at the penetrating position of the inner rod and the loop bar, sliding grooves are formed in the upper side and the lower side of the loop bar, a limiting block is fixedly arranged at the left end of the sliding grooves, a roller is embedded inside the sliding grooves, the inner side end of the roller is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a fixing rod, the other end of the fixing rod is fixedly connected with the upper end and the lower end of the bottom of the inner rod, threaded grooves are formed in the inner part of the inner rod, threaded rods are connected with the threaded grooves in a threaded manner, a positioning plate is arranged on the left side of each threaded rod in a penetrating manner, a conical gear II is fixedly arranged at the left end of each threaded rod, a driven rod is fixedly arranged at the left side of each conical gear II, a bearing is fixedly connected with the left side inside the loop bar, a conical gear I is meshed with the upper end of each conical gear I, a rotating rod is fixedly arranged at the upper end of each conical gear I, the rotating rod penetrates through and extends to the outer side of the upper end of the loop bar, a rotating plate is fixedly arranged at the upper end of the rotating rod, and an adjusting rod is fixedly arranged at the upper end of the rotating plate; the left end of interior pole is gone up and down both sides and all is equipped with the buffer board, the left end fixedly connected with push rod of buffer board, the left side of push rod is equipped with the buffer cylinder, the left side and the locating plate of buffer cylinder, the left end of push rod runs through the inside that extends to the buffer cylinder, and the left end of push rod is fixed and is equipped with the push pedal, the fixed gag lever post that is equipped with in upper and lower both sides of the inside push rod of buffer cylinder, and the gag lever post runs through the push pedal, the periphery of gag lever post is equipped with the spring, and the right-hand member of spring and the inside left end fixed connection left end of push pedal and buffer cylinder.

As a further aspect of the present invention: the loop bar is a hollow bar with a hollow part.

As a further aspect of the present invention: the sealing washer is made of rubber.

As a further aspect of the present invention: the inside rod can be controlled to extend outwards when the adjusting rod is adjusted clockwise, and the inside rod can be controlled to contract inwards when the adjusting rod is adjusted anticlockwise.

As a further aspect of the present invention: the buffer plate is movably connected with the inner rod.

As a further aspect of the present invention: the middle position of locating plate is seted up the through-hole that corresponds the setting with the threaded rod, and the diameter of through-hole slightly is greater than the diameter of threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1-a positioning plate penetrates through the left side of the threaded rod, a conical gear II is fixedly arranged at the left end of the threaded rod, a conical gear I is meshed with the upper end of the conical gear II, a rotating rod is fixedly arranged at the upper end of the conical gear I, the rotating rod penetrates through and extends to the outer side of the upper end of the loop bar, a rotating plate is fixedly arranged at the upper end of the rotating rod, and an adjusting rod is fixedly arranged at the upper end of the rotating plate, so that the extension and retraction of the inner rod can be controlled through the rotation of the adjusting rod;

the upper side and the lower side of the left end of the 2-inner rod are respectively provided with a buffer plate, the left end of each buffer plate is fixedly connected with a push rod, and the left side of each push rod is provided with a buffer cylinder, so that the device can be buffered in the telescopic process, and the service life of the device can be prolonged.

Drawings

Fig. 1 is a schematic sectional structure view of a guide bar with adjustable length.

Fig. 2 is a schematic front view of the whole of a length-adjustable guide bar.

Fig. 3 is a schematic structural view of a buffer cylinder in a guide rod with adjustable length.

Fig. 4 is a schematic structural view of a positioning plate in a guide rod with adjustable length.

In the figure: 1-loop bar, 2-inner bar, 3-sealing washer, 4-thread groove, 5-threaded bar, 6-fixed bar, 7-connecting bar, 8-roller, 9-chute, 10-limiting block, 11-first conical gear, 12-rotating plate, 13-positioning plate, 14-adjusting bar, 15-rotating bar, 16-second conical gear, 17-driven bar, 18-bearing, 19-through hole, 20-buffer plate, 21-push bar, 22-push plate, 23-limiting bar, 24-spring and 25-buffer cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a guide rod with adjustable length includes a loop bar 1, an inner rod 2, a chute 9, a rotating plate 12, a buffer plate 20, and a buffer cylinder 25; an inner rod 2 is movably arranged inside the loop bar 1, the right end of the inner rod 2 penetrates and extends to the right side of the loop bar 1, a sealing washer 3 is fixedly arranged at the penetrating position of the inner rod 2 and the loop bar 1, sliding grooves 9 are formed in the upper side and the lower side of the loop bar 1, a limiting block 10 is fixedly arranged at the left end of each sliding groove 9, a roller 8 is embedded inside each sliding groove 9, a connecting rod 7 is fixedly connected to the inner end of each roller 8, a fixing rod 6 is fixedly connected to the other end of each connecting rod 7, the other end of each fixing rod 6 is fixedly connected with the upper end and the lower end of the bottom of the inner rod 2, a thread groove 4 is formed in the inner rod 2, a threaded rod 5 is connected in each thread groove 4 in a threaded manner, a positioning plate 13 is arranged on the left side of each threaded rod 5 in a penetrating manner, a conical gear II 16 is fixedly arranged at the left end of each conical gear II 16, a driven rod 17 is fixedly arranged at the left side of each conical gear II 16, and a bearing 18 is fixedly connected to the left end of each driven rod 17, the bearing 18 is fixedly connected with the left side inside the loop bar 1, the upper end of the conical gear II 16 is meshed with the conical gear I11, the upper end of the conical gear I11 is fixedly provided with a rotating rod 15, the rotating rod 15 penetrates through and extends to the outer side of the upper end of the loop bar 1, the upper end of the rotating rod 15 is fixedly provided with a rotating plate 12, and the upper end of the rotating plate 12 is fixedly provided with an adjusting rod 14; the left end of interior pole 2 is gone up and down both sides and all is equipped with buffer board 20, the left end fixedly connected with push rod 21 of buffer board 20, the left side of push rod 21 is equipped with buffer cylinder 25, the left side and the locating plate 13 of buffer cylinder 25, the left end of push rod 21 runs through the inside that extends to buffer cylinder 25, and the left end of push rod 21 is fixed and is equipped with push pedal 22, the fixed gag lever post 23 that is equipped with in upper and lower both sides of the inside push rod 21 of buffer cylinder 25, and gag lever post 23 runs through push pedal 22, the periphery of gag lever post 23 is equipped with spring 24, and spring 24's right-hand member and push pedal 22 fixed connection left end and buffer cylinder 25's inside left end fixed connection.

The loop bar 1 is a hollow bar with a hollow inner part.

The sealing washer 3 is made of rubber.

The adjustable rod 14 can control the inner rod 2 to extend outwards when adjusted clockwise, and can control the inner rod 2 to contract inwards when adjusted anticlockwise.

The buffer plate 20 is movably connected with the inner rod 2.

The middle position of the positioning plate 13 is provided with a through hole 19 which is arranged corresponding to the threaded rod 5, and the diameter of the through hole 19 is slightly larger than that of the threaded rod 5.

The utility model discloses a theory of operation is: a positioning plate 13 penetrates through the left side of the threaded rod 5, a bevel gear II 16 is fixedly arranged at the left end of the threaded rod 5, a bevel gear I11 is meshed with the upper end of the bevel gear II 16, a rotating rod 15 is fixedly arranged at the upper end of the bevel gear I11, the rotating rod 15 penetrates through and extends to the outer side of the upper end of the loop bar 1, a rotating plate 12 is fixedly arranged at the upper end of the rotating rod 15, an adjusting rod 14 is fixedly arranged at the upper end of the rotating plate 12, and the extension and retraction of the inner rod 2 are controlled through the rotation of the adjusting rod 14; both sides all are equipped with buffer board 20 about the left end of interior pole 2, and the left end fixedly connected with push rod 21 of buffer board 20, the left side of push rod 21 are equipped with buffer cylinder 25 to thereby can cushion and can protect the device improvement life carrying out flexible in-process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A length-adjustable guide rod comprises a loop bar (1), an inner rod (2), a chute (9), a rotating plate (12), a buffer plate (20) and a buffer cylinder (25); the novel telescopic rod is characterized in that an inner rod (2) is movably arranged inside the loop bar (1), the right end of the inner rod (2) penetrates through and extends to the right side of the loop bar (1), a sealing washer (3) is fixedly arranged at the penetrating position of the inner rod (2) and the loop bar (1), sliding grooves (9) are formed in the upper side and the lower side of the loop bar (1), a limiting block (10) is fixedly arranged at the left end of each sliding groove (9), a roller (8) is embedded inside each sliding groove (9), a connecting rod (7) is fixedly connected to the inner side end of each roller (8), a fixing rod (6) is fixedly connected to the other end of each connecting rod (7), the other end of each fixing rod (6) is fixedly connected with the upper end and the lower end of the bottom of the inner rod (2), a thread groove (4) is formed inside the inner rod (2), a threaded rod (5) is connected to the thread groove (4), a positioning plate (13) is arranged on the left side of the threaded rod (5) in a penetrating mode, and a conical gear II (16) is fixedly arranged at the left end of the threaded rod (5), a driven rod (17) is fixedly arranged on the left side of the second conical gear (16), a bearing (18) is fixedly connected to the left end of the driven rod (17), the bearing (18) is fixedly connected with the left side inside the loop bar (1), the upper end of the second conical gear (16) is meshed with the first conical gear (11), a rotating rod (15) is fixedly arranged at the upper end of the first conical gear (11), the rotating rod (15) penetrates through and extends to the outer side of the upper end of the loop bar (1), a rotating plate (12) is fixedly arranged at the upper end of the rotating rod (15), and an adjusting rod (14) is fixedly arranged at the upper end of the rotating plate (12); the left end of interior pole (2) is gone up and down both sides and all is equipped with buffer board (20), the left end fixedly connected with push rod (21) of buffer board (20), the left side of push rod (21) is equipped with buffer cylinder (25), the left side and locating plate (13) of buffer cylinder (25), the left end of push rod (21) runs through the inside that extends to buffer cylinder (25), and the left end of push rod (21) is fixed and is equipped with push pedal (22), the fixed gag lever post (23) that is equipped with in upper and lower both sides of inside push rod (21) of buffer cylinder (25), and gag lever post (23) run through push pedal (22), the periphery of gag lever post (23) is equipped with spring (24), and the right-hand member of spring (24) and the inside left end fixed connection left end of push pedal (22) and buffer cylinder (25).

2. A length adjustable guide bar according to claim 1, characterized in that the loop bar (1) is a hollow bar with a hollow inside.

3. A length-adjustable guide bar according to claim 1, wherein the sealing washer (3) is made of rubber.

4. A length adjustable guide bar as claimed in claim 1, wherein the adjustment rod (14) is adapted to control the inner rod (2) to extend outwardly when adjusted clockwise, and to control the inner rod (2) to retract inwardly when adjusted counterclockwise (14).

5. A length adjustable guide bar as claimed in claim 1, wherein the buffer plate (20) is movably connected to the inner rod (2).

6. The guide bar with the adjustable length as claimed in claim 1, wherein a through hole (19) corresponding to the threaded rod (5) is formed in the middle of the positioning plate (13), and the diameter of the through hole (19) is slightly larger than that of the threaded rod (5).