CN218643456U

CN218643456U - Excavator control handle

Info

Publication number: CN218643456U
Application number: CN202222703533.9U
Authority: CN
Inventors: 黄杰
Original assignee: Suzhou Jiuxinda Machinery Technology Co ltd
Current assignee: Harbin Hatie Equipment Manufacturing Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-17
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses an excavator control handle, including handle A, handle B, protection casing and pilot valve, handle A is located handle B's top, handle B is located the top of protection casing, the protection casing is located the pilot valve. The utility model discloses an install, thereby realize the regulation effect to control handle length, multiunit tiger's mouth makes connecting sleeve's top internal diameter can adjust under the exogenic action, adjusting nut and connecting sleeve outer wall threaded connection, can rotate along with the screw on connecting sleeve surface and reciprocate, through adjusting nut and the hookup location on connecting sleeve top down, make the surface separation of connecting sleeve inner wall and screw rod, with adjusting screw and connecting sleeve's connection length, through adjusting nut position up-regulation, make connecting sleeve top internal diameter reduce to be connected with the screw rod again, fix the screw rod, thereby realize the regulatory function to length between handle A and the handle B.

Description

Excavator control handle

Technical Field

The utility model relates to an excavator technical field specifically is an excavator control handle.

Background

The control rod of the pilot valve of the excavator controls the hydraulic pilot valve oil leading to the pilot valve control valve, it is a device which locks the operating device, turning, driving and accessory control rod, the control handle is the common part for operating the vehicle such as the excavator, the control handle mainly includes control rod, control button, pilot valve, etc., the control rod form of the excavator which is applied widely at present can be roughly divided into three types according to the different length: the control handle comprises a control handle with a long length, a control handle with a medium length and a control handle with a short length, wherein the control handles are different in length and rotate around a base rotating shaft by the same angle, and the control strokes corresponding to the control handles are different.

The existing control handle has the defects that:

patent document CN207144042U discloses a pilot control lever device of an excavator, which comprises a pilot control lever connected with a handrail box base, wherein the pilot control lever comprises a bent steel pipe, one end of the bent steel pipe is sleeved with a rubber part handle, and the other end of the bent steel pipe is welded with an installation support; the bent steel pipe has 4 bends, bypasses the front end of the handrail box, avoids the interference of the pilot control lever with the handrail box in the lifting process, slightly converges towards the inner side at the tail end angle above the bent steel pipe, and is formed by gluing the red rubber part handle and the bent steel pipe. The utility model discloses can solve current excavator guide's control lever device and have the control lever far away with left side handrail case distance, reduce the width of operator access way and the problem that there is the potential safety hazard of easy hook operator clothing in the control lever upper end.

However, the control handle of the above publication mainly considers how to solve the problem that the upper end of the control rod has a safety risk of easily hooking the clothes of the operator, and the control handle does not facilitate the adjustment of the length of the handle.

Therefore, it is necessary to develop a control handle for an excavator, and to realize a function of adjusting the length of the handle by using the control handle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator control handle to solve the problem that this control handle who proposes in the above-mentioned background art can not adjust the length of handle.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an excavator control handle, includes handle A, handle B, protection casing and pilot valve, handle A is located handle B's top, handle B is located the top of protection casing, the protection casing is located the top of pilot valve, handle A's inner wall threaded connection has the screw rod, the bottom of screw rod is connected with connecting sleeve, and connecting sleeve's bottom and the inner wall swing joint of protection casing, connecting sleeve's top is equipped with multiunit tiger's mouth, connecting sleeve's surperficial threaded connection has adjusting nut, uses work to rotate adjusting nut, makes adjusting nut to the direction removal of keeping away from tiger's mouth, and the connecting sleeve of tiger's mouth department does not have external force to be restricted, and this section connecting sleeve internal diameter enlarges, and the connecting sleeve inner wall breaks away from being connected with the screw rod bottom for the screw rod can reciprocate adjust with the connecting sleeve inner wall's length to this length between handle A and the handle B adjusts, thereby can suitably adjust control handle's whole length.

Preferably, screw holes are formed in the handle A and the handle B.

Preferably, the inner diameter of the screw hole of the handle A is consistent with the diameter of the cross section of the screw rod, and the handle A is connected with the top end of the screw rod through the screw hole.

Preferably, the inner diameter of the screw hole of the handle B is consistent with the inner diameter of the connecting sleeve in size, and the handle B is connected with the bottom end of the connecting sleeve through the screw hole.

Preferably, the bottom end of the connecting sleeve is connected with a limiting ring, the top of the limiting ring is connected with the inner wall of the protective cover, and the limiting ring limits downward displacement of the protective cover.

Preferably, the inner wall top of protection casing is connected with the dust cover, and the bottom of dust cover is connected with the top of pilot valve, and the dust cover is located between protection casing and the pilot valve, and its perpendicular can carry out the bending of unlimited angle, can be under the prerequisite of cooperation brake valve lever multi-angle activity, protects between protection casing and the pilot valve, reduces the top of dust accumulation prior pilot valve.

Preferably, the bottom of the dust cover is provided with an elastic rope, the elastic rope is located inside the dust cover, and the bottom of the dust cover is connected to the top end of the pilot valve through the elastic rope.

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

1. the utility model discloses an install, thereby realize the regulation effect to control handle length, multiunit tiger's mouth makes connecting sleeve's top internal diameter can adjust under the exogenic action, adjusting nut and connecting sleeve outer wall threaded connection, can rotate along with the screw on connecting sleeve surface and reciprocate, through adjusting nut and the hookup location on connecting sleeve top down, make the surface separation of connecting sleeve inner wall and screw rod, with adjusting screw and connecting sleeve's connection length, through adjusting nut position up-regulation, make connecting sleeve top internal diameter reduce to be connected with the screw rod again, fix the screw rod, thereby realize the regulatory function to length between handle A and the handle B.

2. The utility model discloses an install dust cover and stretch cord to effectively strengthen the dustproof effect at pilot valve top, the material of dust cover itself is softer, and its vertical face can be crooked by unlimited angle, the stretch cord utilizes self elasticity to fix the dust cover bottom end at the top of pilot valve, make the dust cover rock the in-process along with the protection casing, can keep the closed effect to pilot valve and operating handle junction, effectively block that the dust falls to the pilot valve top, get into inside the pilot valve.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the dust cover of the present invention;

fig. 3 is a schematic structural view of the adjusting nut of the present invention;

FIG. 4 is a schematic view of the screw hole structure of the present invention;

fig. 5 is a schematic view of the tiger's mouth structure of the present invention.

In the figure: 1. a handle A; 2. a handle B; 3. a protective cover; 4. a pilot valve; 5. a screw; 6. connecting a sleeve; 7. a tiger mouth; 8. adjusting the nut; 9. a screw hole; 10. a limiting ring; 11. a dust cover; 12. an elastic rope.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-5, the utility model provides an embodiment, an excavator control handle, including handle A1, handle B2, protection casing 3 and pilot valve 4, handle A1 is located handle B2's top, handle B2 is located protection casing 3's top, protection casing 3 is located pilot valve 4's top, handle A1's inner wall threaded connection has screw rod 5, the bottom of screw rod 5 is connected with adapter sleeve 6, and adapter sleeve 6's bottom and protection casing 3's inner wall swing joint, adapter sleeve 6's top is equipped with multiunit tiger's mouth 7, adapter sleeve 6's surface threaded connection has adjusting nut 8.

Further, during the use, the staff is when using brake valve lever operation excavator, when need extend brake valve lever's use length, use work to rotate adjusting nut 8, make adjusting nut 8 to keeping away from the direction removal of tiger's mouth 7, connecting tube 6 no external force of tiger's mouth 7 department is restricted, 6 internal diameters of this section connecting tube enlarge, 6 inner walls of connecting tube break away from with being connected of 5 bottoms of screw rod, make screw rod 5 can reciprocate the length of being connected of regulation and 6 inner walls of connecting tube, adjust with this length between handle A1 and the handle B2, thereby can suitably adjust brake valve lever's whole length.

Referring to fig. 2, 3 and 4, the handle A1 and the handle B2 are both provided with a screw hole 9 inside, the inner diameter of the screw hole 9 of the handle A1 is consistent with the diameter of the cross section of the screw rod 5, the inner diameter of the screw hole 9 of the handle B2 is consistent with the inner diameter of the connecting sleeve 6, the bottom end of the connecting sleeve 6 is connected with a limiting ring 10, the top of the limiting ring 10 is connected with the inner wall of the protective cover 3, the top of the inner wall of the protective cover 3 is connected with a dust cover 11, the bottom of the dust cover 11 is connected with the top of the pilot valve 4, the bottom end of the dust cover 11 is provided with an elastic rope 12, and the elastic rope 12 is located inside the dust cover 11.

Further, handle A1 is connected through the top of screw 9 with screw 5, handle B2 is connected through screw 9 and adapter sleeve 6's bottom, spacing ring 10 restricts the displacement of protection casing 3 decurrent, dust cover 11 is located between protection casing 3 and the pilot valve 4, the top at pilot valve 4 is connected through stretch cord 12 in dust cover 11 bottom, the perpendicular of dust cover 11 can carry out the bending of unlimited angle, can be under the prerequisite of cooperation brake valve lever multi-angle activity, protect between protection casing 3 and the pilot valve 4, reduce the top of dust accumulation prior pilot valve 4.

The working principle is as follows: the adjusting nut 8 is rotated by using work, the adjusting nut 8 is enabled to move towards the direction far away from the tiger mouth 7, the connecting sleeve 6 at the tiger mouth 7 is free from external force limitation, the inner diameter of the section of the connecting sleeve 6 is enlarged, the inner wall of the connecting sleeve 6 is separated from the connection with the bottom end of the screw rod 5, the screw rod 5 can move up and down to adjust the connection length with the inner wall of the connecting sleeve 6, the handle A1 is connected with the top end of the screw rod 5 through the screw hole 9, the handle B2 is connected with the bottom end of the connecting sleeve 6 through the screw hole 9, the length between the handle A1 and the handle B2 is adjusted, the whole length of the control handle can be properly adjusted, the limiting ring 10 limits the downward displacement of the protective cover 3, the dust cover 11 is located between the protective cover 3 and the pilot valve 4, the bottom of the dust cover 11 is connected to the top end of the pilot valve 4 through the elastic rope 12, the vertical surface of the dust cover 11 can be bent in an unlimited angle, on the premise that the multi-angle activity of the control handle is matched, the protective cover 3 and the pilot valve 4 can protect the protective cover and accumulate dust in advance, and reduce the top of the dust accumulation on the premise that the multi-angle activity of the control handle.

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.

Claims

1. The utility model provides an excavator control handle, includes handle A (1), handle B (2), protection casing (3) and pilot valve (4), handle A (1) is located the top of handle B (2), handle B (2) are located the top of protection casing (3), protection casing (3) are located the top of pilot valve (4), its characterized in that: the inner wall of the handle A (1) is in threaded connection with a screw rod (5);

the bottom of the screw rod (5) is connected with a connecting sleeve (6), and the bottom end of the connecting sleeve (6) is movably connected with the inner wall of the protective cover (3);

the top of connecting sleeve pipe (6) is equipped with multiunit tiger's mouth (7), the surperficial threaded connection of connecting sleeve pipe (6) has adjusting nut (8).

2. The excavator control handle of claim 1, wherein: the handle A (1) and the handle B (2) are both internally provided with screw holes (9).

3. The excavator control handle of claim 1, wherein: the inner diameter of the screw hole (9) of the handle A (1) is consistent with the diameter of the cross section of the screw rod (5).

4. The excavator control handle of claim 1, wherein: the inner diameter of the screw hole (9) of the handle B (2) is consistent with the inner diameter of the connecting sleeve (6).

5. The excavator control handle of claim 1, wherein: the bottom of connecting sleeve (6) is connected with spacing ring (10), and the top of spacing ring (10) is connected with the inner wall of protection casing (3).

6. The excavator control handle of claim 1, wherein: the top of the inner wall of the protective cover (3) is connected with a dust cover (11), and the bottom of the dust cover (11) is connected with the top of the pilot valve (4).

7. The excavator control handle of claim 6, wherein: the bottom end of the dust cover (11) is provided with an elastic rope (12), and the elastic rope (12) is positioned inside the dust cover (11).