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CN-224229396-U - Novel three-group six-way multi-way valve operating mechanism

CN224229396UCN 224229396 UCN224229396 UCN 224229396UCN-224229396-U

Abstract

The utility model provides a novel three-group six-way multi-way valve operating mechanism which comprises a transverse support, wherein a mud guard is welded on the side of the transverse support, a fixing bolt is rotatably arranged on the mud guard, a protective shell is fixedly arranged at one end of the fixing bolt, a sleeve is welded on the mud guard, an operating arm pin shaft is movably arranged in the sleeve, an operating arm is welded on the operating arm pin shaft, a threaded hole is formed in the operating arm, a limit bolt is rotatably arranged in the threaded hole, and a limit hole is formed in the mud guard. When the novel three-group six-way multi-way valve operating mechanism is used, the three-group six-way valve flexible shaft operating mechanism is changed from the inner side of a mud guard to the outer side, a protective structure is added, the pin shaft of the operating arm and the operating arm are welded and connected to the sleeve, the fit clearance is smaller, the mechanism is more compact, the operation is more stable, the operation space is increased, the operation comfort is improved, the operation structure is simplified, and the appearance is beautified.

Inventors

  • WANG QISHI
  • DING SHOUGONG
  • LI JIANWEI

Assignees

  • 江苏沃得农业机械股份有限公司

Dates

Publication Date
20260512
Application Date
20250528

Claims (8)

  1. 1. A novel three-group six-way multi-way valve operating mechanism comprises a transverse support (1) and is characterized in that a mud guard (2) is welded on the side of the transverse support (1), a fixing bolt (3) is rotatably arranged on the mud guard (2), a protective shell (21) is fixedly arranged at one end of the fixing bolt (3), a sleeve (5) is welded on the mud guard (2), an operating arm (6) is movably arranged in the sleeve (5), a threaded hole (7) is formed in the operating arm (6), a limit bolt (8) is rotatably arranged in the threaded hole (7), a limit hole (4) is formed in the mud guard (2), and the limit bolt (8) is fixed in the limit hole (4) after rotating for a certain angle along with the operating arm (6).
  2. 2. The novel three-group six-way multi-way valve operating mechanism according to claim 1, wherein the mud guard (2) is provided with an opening (9), a rubber ring (10) is fixed on the inner wall of the opening (9), and a flexible shaft (11) penetrates through the inner part of the rubber ring (10).
  3. 3. The novel three-group six-way multi-way valve operating mechanism according to claim 2 is characterized in that one end of the flexible shaft (11) is fixed with a sleeve (12), one end of the sleeve (12) is fixed with a multi-way valve (13), and the multi-way valve (13) is fixed on the mud guard (2).
  4. 4. The novel three-group six-way multi-way valve operating mechanism according to claim 2 is characterized in that a fixing clamp (14) and a fixing plate (15) are welded on the mud guard (2), the flexible shaft (11) is fixed in trend through the fixing clamp (14), and one end of the flexible shaft (11) is fixed on the mud guard (2) through the fixing plate (15).
  5. 5. The novel three-group six-way multi-way valve operating mechanism according to claim 4, wherein a mandrel is movably arranged in the flexible shaft (11), a connecting fork (16) is fixed at one end of the mandrel, and a rocker arm (18) is movably arranged at one end of the connecting fork (16).
  6. 6. The novel three-group six-way multi-way valve operating mechanism according to claim 5, wherein the rocker arm (18) is movably connected with the connecting fork (16) through a pin shaft (17), and a gasket and a cotter pin are movably arranged at one end of the pin shaft (17).
  7. 7. The novel three-group six-way multi-way valve operating mechanism according to claim 6, wherein the cotter pin is movably inserted on the pin shaft (17), the cotter pin is movably installed on one side of the gasket, one end of the rocker arm (18) is welded on the joint sleeve, an antifriction retainer ring (19) is installed between the joint sleeve and the sleeve (5), and an operating arm pin shaft is installed in the antifriction retainer ring (19).
  8. 8. The novel three-group six-way multi-way valve operating mechanism according to claim 7, wherein one end of the pin shaft of the operating arm is welded on the operating arm (6), one end of the rocker arm (18) is welded on the connecting sleeve, through holes are formed in the connecting sleeve and the pin shaft of the operating arm, and a connecting bolt (20) is movably arranged in the through holes.

Description

Novel three-group six-way multi-way valve operating mechanism Technical Field The utility model relates to the field of hydraulic operation equipment, in particular to a novel three-group six-way multi-way valve operating mechanism. Background In order to meet the operation requirements of various agricultural implements, the hydraulic output linkage of the multi-way valve matched with the tractor is increased from the existing two groups of four ways to the existing three groups of six ways, in order to ensure the universality of parts, the original two groups of four ways of operating mechanisms are kept unchanged, only the third group of hydraulic output linkage operating mechanisms are needed to be considered, the third group of hydraulic output linkage flexible shaft operating mechanisms of the multi-way valve of the existing tractor comprise a flexible shaft operating mechanism assembly, a flexible shaft operating assembly, a fixed frame welding and the like, the fixed frame welding is fixed on the inner side of a mud guard through a bolt, the flexible shaft operating assembly is connected to a mounting seat in the fixed frame welding through a pin shaft, one end of a flexible shaft is fixed on the fixed frame through a nut and is connected with the operating assembly through a pin shaft, and the other end of the flexible shaft is connected with a valve rod of the multi-way valve through a pin shaft. The user pulls the flexible shaft to control the flexible shaft to push and pull through pulling the flexible shaft operation assembly back and forth, so as to control the opening and closing of the upper and lower oil ports of the hydraulic output unit; The whole flexible shaft operating mechanism is arranged on the inner side of the mudguard when the conventional operating mechanism is used, the gap between the flexible shaft operating mechanism and the main speed change operating lever, the gap between the flexible shaft operating mechanism and the differential lock operating lever and the lifting handle are small, the operation is inconvenient, in addition, the occupied space of the flexible shaft operating mechanism is large, the safety frame type is inconvenient to add a protective cover, the cab type is inconvenient to develop an interior trim, the operating mechanism is fussy and exposed beside a seat, the operation is not succinct and attractive, and the flexible shaft operating assembly and the mounting seat on the fixing plate are connected through a pin shaft, the fit gap is large, and the operation shaking is obvious. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a novel three-group six-way multi-way valve operating mechanism to solve the problems in the prior art, has novel structure, changes the flexible shaft operating mechanism of the three-group six-way valve from the inner side to the outer side of a mud guard when in use, and the protection structure is added, the pin shaft of the operating arm and the operating arm are welded and connected to the sleeve, the fit clearance is smaller, the mechanism is more compact, the operation is more stable, the operation structure is simplified, the appearance is beautified, the operation space is enlarged, and the operation comfort is improved. In order to achieve the purpose, the novel three-group six-way multi-way valve operating mechanism is realized through the following technical scheme that the novel three-way multi-way valve operating mechanism comprises a transverse support, a mud guard is welded on the side of the transverse support, a fixing bolt is rotatably installed on the mud guard, a protective shell is fixedly installed at one end of the fixing bolt, a sleeve is welded on the mud guard, an operating arm pin shaft is movably installed in the sleeve, an operating arm is welded at one end of the operating arm pin shaft, a threaded hole is formed in the operating arm, a limit bolt is rotatably installed in the threaded hole, a limit hole is formed in the mud guard, and the limit bolt is fixed in the limit hole after rotating for a certain angle along with the operating arm. Further, an opening is formed in the mud guard, a rubber ring is fixed on the inner wall of the opening, and a flexible shaft penetrates through the rubber ring. Further, a sleeve is fixed at one end of the flexible shaft, a multi-way valve is fixed at one end of the sleeve, and the multi-way valve is fixed on the mud guard. Further, the fixing clamp and the fixing plate are welded on the mud guard, the flexible shaft is fixed in trend through the fixing clamp, and one end of the flexible shaft is fixed on the mud guard through the fixing plate. Further, a mandrel is movably arranged in the flexible shaft, a connecting fork is fixed at one end of the mandrel, and a rocker arm is movably arranged at one end of the connecting fork. Further, the rocker arm is movably connected with the connecting fork thr