Operating rod assembly with return function

Abstract

The utility model discloses a joystick assembly with an aligning function. The operating rod comprises a fixing base, an operating rod body and a connecting shell, the connecting shell is arranged at the top of the fixing base, an opening is formed in the top of the connecting shell, the lower portion of the operating rod body penetrates through the opening and extends into the connecting shell, and the operating rod body is rotationally connected with the connecting shell. The right side of the connecting shell is vertically provided with a return torsion spring and a check block assembly, the return torsion spring comprises a spring body, a first spring arm and a second spring arm, the right side of the operating rod body is provided with a driving rod, the driving rod is located above the connecting shell, and the driving rod is arranged in the left-right direction; the driving rod and the stop block assembly are located between the first spring arm and the second spring arm and clamped by the first spring arm and the second spring arm. The aligning device is simple in structure, accurate in aligning and convenient for operators to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to joy stick technical field especially relates to a joy stick assembly with return function. BACKGROUND

[0002] The joy stick is a kind of operating mechanism for controlling some industrial equipment, and the use of joy stick is very wide, in the structure of electronic control product, the action of machine needs to be controlled using joy stick, therefore, joy stick is an essential part, the existing joy stick will be marked with return assembly, return assembly is used when the operator hand leaves joy stick, joy stick can be automatically returned to vertical state, but the existing return assembly structure is complex, there is the problem of inaccurate return, which brings great trouble to the operator. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned technical problem, provide a kind of joy stick assembly with return function, structure is simple, return accurate, it is convenient for operator to operate.

[0004] In order to solve the above problems, the utility model discloses the following technical scheme to realize:

[0005] The utility model discloses a kind of joy stick assembly with return function, including fixed seat, joy stick body and connecting shell The connecting shell is set at the top of fixed seat, the top of the connecting shell is equipped with opening, the lower part of the joy stick body passes through opening and extends into the connecting shell, the joy stick body is rotatably connected with the connecting shell, the right side of the connecting shell is vertically equipped with return torsional spring and stop block assembly, the return torsional spring includes spring body, first spring arm and second spring arm, the right side of the joy stick body is equipped with driving rod, the driving rod is above the connecting shell, the driving rod is left-right direction setting, the driving rod and stop block assembly are between first spring arm and second spring arm and are clamped by first spring arm and second spring arm.

[0006] In the scheme, operator holds joy stick body, and presses joy stick body to forward side, the driving rod of the right side of joy stick body drives second spring arm in return torsional spring to move forward, while stop block assembly blocks first spring arm, so that return torsional spring enters deformation state, when operator releases joy stick body, because of the elasticity of return torsional spring itself, second spring arm drives joy stick body back to reset through driving rod, and joy stick body is reset to vertical state.

[0007] Preferably, the opening is symmetrically provided with an arc-shaped accommodation surface on the front and back sides.

[0008] Preferably, the right end of the driving rod is provided with a limiting block, and the first spring arm and the second spring arm are located between the limiting block and the joy stick body.

[0009] As preferred, the right side of the connecting shell is provided with a containing groove for containing the return torsional spring, a connecting column is arranged in the containing groove, the connecting column is arranged left and right, the spring body is arranged on the connecting column, and the first spring arm and the second spring arm extend upward out of the containing groove.

[0010] As preferred, the stop block assembly comprises a stop block and a cover plate, the cover plate is arranged on the right side of the return torsional spring, the cover plate is detachably connected with the connecting column, the stop block is arranged left and right, the stop block is fixedly connected with the top left side of the cover plate, and the stop block is arranged between the first spring arm and the second spring arm and is clamped by the first spring arm and the second spring arm.

[0011] As preferred, the right side of the connecting column is provided with a connecting shaft, the connecting shaft is arranged left and right, the cover plate is provided with a through hole for the connecting shaft to pass through, the right end of the connecting shaft is threadedly connected with a nut, the nut is arranged on the right side of the cover plate, the right side of the connecting shell is symmetrically provided with a connecting groove, the cover plate is provided with a connecting protrusion at the position corresponding to the connecting groove, and the connecting protrusion is matched with the connecting groove on the corresponding side.

[0012] The nut is unscrewed from the connecting shaft, the cover plate is taken out to the right, the cover plate is separated from the connecting shaft, the return spring on the connecting column is taken off, a new return spring is placed on the connecting column, the connecting protrusion on the cover plate is aligned with the connecting groove on the corresponding side, the cover plate is pressed to the left so that the connecting protrusion is clamped in the connecting groove, and then the nut is screwed on the connecting shaft.

[0013] As preferred, the bottom of the operating lever body is provided with a magnet, and the connecting shell is provided with a Hall sensor, which is arranged directly below the magnet.

[0014] The operating lever body is inclined to drive the magnet to be inclined synchronously, and the Hall sensor outputs a corresponding signal according to the inclined position of the magnet.

[0015] As preferred, the first spring arm and the second spring arm are vertically arranged.

[0016] The return torsional spring has the advantages that the structure is simple, the operating lever body can be quickly returned, the arc-shaped accommodation surface enables the operating lever body to have a larger inclination angle, and the limiting block ensures that the first spring arm and the second spring arm are always located between the limiting block and the operating lever body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic view of the utility model;

[0018] Fig. 2 is a structural schematic view of the magnet and the Hall sensor in the utility model;

[0019] Fig. 3 is a structural schematic view of the containing groove in the utility model;

[0020] Fig. 4 It is a structural schematic diagram of the opening in the utility model.

[0021] In the figure: 1. fixing seat, 2. joystick body, 21. driving rod, 22. limit block, 3. connecting shell, 31. opening, 311. arc-shaped yielding surface, 32. spring body, 33. first spring arm, 34. second spring arm, 35. accommodating groove, 351. connecting column, 4. cover plate, 41. stop block, 42. connecting protrusion, 5. connecting shaft, 6. connecting groove, 7. magnet, 71. Hall sensor, 8. nut. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0023] Embodiment: A joystick assembly with a return function in this embodiment, such as Figs. 1 to 4 As shown, it includes a fixed base 1, a joystick body 2 and a connecting shell 3. The connecting shell 3 is arranged on the top of the fixed base 1. An opening 31 is provided on the top of the connecting shell 3. The lower part of the joystick body 2 extends into the connecting shell 3 through the opening 31. The joystick body 2 is rotatably connected to the connecting shell 3. A return torsion spring and a stop block assembly are vertically provided on the right side of the connecting shell 3. The return torsion spring includes a spring body 32, a first spring arm 33 and a second spring arm 34. A drive rod 21 is provided on the right side of the joystick body 2. The drive rod 21 is located above the connecting shell 3. The drive rod 21 is set to run left and right. The drive rod 21 and the stop block assembly are located between the first spring arm 33 and the second spring arm 34 and are clamped by the first spring arm 33 and the second spring arm 34.

[0024] Arc-shaped relief surfaces 311 are symmetrically provided on the front and rear sides of the opening 31 .

[0025] A limit block 22 is provided at the right end of the driving rod 21 , and the first spring arm 33 and the second spring arm 34 are located between the limit block 22 and the joystick body 2 .

[0026] A receiving slot 35 for receiving the return torsion spring is provided on the right side of the connecting shell 3. A connecting column 351 is provided in the receiving slot 35. The connecting column 351 is arranged to extend left and right. The spring body 32 is sleeved on the connecting column 351. The first spring arm 33 and the second spring arm 34 extend upward from the receiving slot 35.

[0027] The stopper assembly includes a stopper 41 and a cover plate 4. The cover plate 4 is located on the right side of the return torsion spring. The cover plate 4 is detachably connected to the connecting column 351. The stopper 41 is arranged to extend left and right. The stopper 41 is fixedly connected to the top left side of the cover plate 4. The stopper 41 is located between the first spring arm 33 and the second spring arm 34 and is clamped by the first spring arm 33 and the second spring arm 34.

[0028] The connecting column 351 is provided with a connecting shaft 5 on the right side, the connecting shaft 5 is arranged in a left-right direction, the cover plate 4 is provided with a through hole for the connecting shaft 5 to pass through, the right end of the connecting shaft 5 is threadedly connected with a nut 8, the nut 8 is located on the right side of the cover plate 4, the right side of the connecting shell 3 is provided with a connecting groove 6 in a front-rear symmetry mode, the cover plate 4 is provided with a connecting protrusion 42 at a position corresponding to the connecting groove 6, and the connecting protrusion 42 is matched with the connecting groove 6 on the corresponding side.

[0029] The bottom of the operating lever body 2 is provided with a magnet 7, and the connecting shell 3 is provided with a Hall sensor 71.

[0030] The first spring arm 33 and the second spring arm 34 are arranged vertically.

[0031] In the scheme, the operator holds the operating lever body and presses the operating lever body downward, the driving rod on the right side of the operating lever body drives the second spring arm of the return torsion spring to move forward, meanwhile, the first spring arm is blocked by the stop block, so that the return torsion spring enters a deformation state, when the operator releases the operating lever body, the second spring arm drives the operating lever body to reset backward through the driving rod due to the elasticity of the return torsion spring, and the operating lever body is reset to a vertical state.

[0032] After the operating lever assembly is used for a long time, the elasticity of the return spring decreases, which causes the operating lever body to be not accurately reset, at this time, the nut is unscrewed from the connecting shaft, the cover plate is taken out to the right, the cover plate is separated from the connecting shaft, the return spring on the connecting column is taken down, a new return spring is placed, the connecting protrusion on the cover plate is aligned with the connecting groove on the corresponding side, the cover plate is pressed to the left so that the connecting protrusion is clamped into the corresponding connecting groove, and then the nut is screwed on the connecting shaft. The replacement of the return spring is completed.

[0033] The inclination of the operating lever body drives the magnet to incline synchronously, and the Hall sensor outputs a corresponding signal according to the inclination position of the magnet.

Claims

1. A joystick assembly with a return function, characterized in that: The invention comprises a fixing seat (1), an operating rod body (2) and a connecting shell (3), wherein the connecting shell (3) is arranged on the top of the fixing seat (1), an opening (31) is provided on the top of the connecting shell (3), the lower part of the operating rod body (2) passes through the opening (31) and extends into the connecting shell (3), the operating rod body (2) and the connecting shell (3) are rotatably connected, a return torsion spring and a stop block assembly are vertically provided on the right side of the connecting shell (3), the return torsion spring comprises a spring body (32), a first spring arm (33) and a second spring arm (34), a driving rod (21) is provided on the right side of the operating rod body (2), the driving rod (21) is located above the connecting shell (3), the driving rod (21) is arranged to extend left and right, the driving rod (21) and the stop block assembly are located between the first spring arm (33) and the second spring arm (34) and are clamped by the first spring arm (33) and the second spring arm (34).

2. The joystick assembly with a return function according to claim 1, characterized in that: The opening (31) is symmetrically provided with arc-shaped relief surfaces (311) on both sides, front and back.

3. The joystick assembly with a return function according to claim 2, characterized in that: A limit block (22) is provided at the right end of the driving rod (21), and the first spring arm (33) and the second spring arm (34) are located between the limit block (22) and the operating rod body (2).

4. The joystick assembly with a return function according to claim 1, characterized in that: The right side of the connecting housing (3) is provided with a receiving groove (35) for receiving the return torsion spring, and a connecting column (351) is provided in the receiving groove (35). The connecting column (351) is arranged to extend left and right, and the spring body (32) is sleeved on the connecting column (351). The first spring arm (33) and the second spring arm (34) extend upward from the receiving groove (35).

5. The joystick assembly with a return function according to claim 4, characterized in that: The stopper assembly comprises a stopper (41) and a cover plate (4), wherein the cover plate (4) is located on the right side of the return torsion spring, the cover plate (4) is detachably connected to the connecting column (351), the stopper (41) is arranged in a left-right direction, the stopper (41) is fixedly connected to the top left side of the cover plate (4), and the stopper (41) is located between the first spring arm (33) and the second spring arm (34) and is clamped by the first spring arm (33) and the second spring arm (34).

6. The joystick assembly with a return function according to claim 5, characterized in that: A connecting shaft (5) is provided on the right side of the connecting column (351), and the connecting shaft (5) is arranged to run left and right. A through hole for the connecting shaft (5) to pass through is provided on the cover plate (4), and a nut (8) is threadedly connected to the right end of the connecting shaft (5). The nut (8) is located on the right side of the cover plate (4). Connecting grooves (6) are symmetrically provided on the right side of the connecting shell (3). A connecting protrusion (42) is provided on the cover plate (4) at a position corresponding to the connecting groove (6), and the connecting protrusion (42) matches the connecting groove (6) on the corresponding side.

7. The joystick assembly with a return function according to claim 1, 2, 3, 4, 5 or 6, characterized in that: A magnet (7) is provided at the bottom of the joystick body (2), and a Hall sensor (71) is provided in the connecting shell (3), and the Hall sensor (71) is located directly below the magnet (7).

8. The joystick assembly with a return function according to claim 1, characterized in that: The first spring arm (33) and the second spring arm (34) are vertically arranged.

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