CN109515695B

CN109515695B - Handle mechanism of lifting rotary trigger switch

Info

Publication number: CN109515695B
Application number: CN201811496948.5A
Authority: CN
Inventors: 陈勇; 范昭君; 周文浩
Original assignee: Guizhou Huayang Electrical Co ltd
Current assignee: Guizhou Huayang Electrical Co ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2021-10-22
Anticipated expiration: 2038-12-07
Also published as: CN109515695A

Abstract

The invention discloses a handle mechanism of a lifting rotary trigger switch, which comprises a sleeve (2), a push switch A (3), a pull rod A (7), a push rod seat (10), a push switch B (14) and a pull rod B (16), and is characterized in that: the recess at top installs apron (1) and resists torsion spring (18) that push away button (19), install pull rod A (7) in sleeve pipe (2), pull rod A (7) internally mounted has pull rod B (16), install pin A (9) on spring A (20) bottom, pin A (9) stretch into in the recess that push rod (11) of movable mounting in push rod seat (10) spout stretched out and support with dog (8) that are fixed in on sleeve pipe (2), button A (4) and button B (13) are installed respectively to fixed press switch A (3) and press switch B (14) on sleeve pipe (2). The invention has the characteristics of compact structure, low misoperation probability, convenient operation, high switch-on conversion performance reliability and the like.

Description

Handle mechanism of lifting rotary trigger switch

Technical Field

The invention belongs to the field of undercarriage control handles, and particularly relates to a handle mechanism for lifting and pulling a rotary trigger switch.

Background

Most of the traditional undercarriage emergency lowering handle mechanisms drive the rocker plate to realize the work of the button switch by the mutual motion of the large round surface, the small round surface and the transition inclined surface on the pull rod so as to achieve the output of related electrical signals when the undercarriage is put down emergently, but the handle mechanisms have the problems of large occupied space due to the incompact device structure, high misoperation probability, poor operation hand feeling, low reliability in switch-on and switch-off conversion and the like.

Disclosure of Invention

The invention aims to overcome the defects and provide a handle mechanism of a lifting rotary trigger switch, which has the advantages of compact structure, low misoperation probability, convenient operation and reliable switch on conversion performance.

The purpose of the invention and the main technical problem of solving the invention are realized by adopting the following technical scheme:

the invention relates to a handle mechanism of a lifting rotary trigger switch, which comprises a sleeve, a push switch A, a pull rod A, a push rod seat, a push switch B and a pull rod B, wherein: the groove at the top of the sleeve is respectively movably connected with a cover plate and a torsion spring which props against a push button, the push button is convexly pressed on the cover plate, a pull rod A is arranged in the sleeve in a clearance manner, a pull rod B and a spring A are arranged in the clearance manner in one end of the pull rod A, a pin A is fixedly arranged at the other end of the pull rod A, the pin A extends into the groove extending out of a push rod which is movably arranged in a slide groove of a push rod seat and is propped against by a stop block fixed on the sleeve, a spring B which props against a marble A is arranged in an adjusting screw A which is fixedly connected with the sleeve into a whole and is arranged on the push rod seat, the groove at the top and the bottom of the pull rod B are respectively fixedly connected with a handle and a pin B, two ends of which extend into the groove of the pull rod A, the adjusting screw B is fixed with the thread on the sleeve, the spring C arranged in the adjusting screw B props against the marble B against the outer wall of the pull rod A, three annular grooves are arranged on the pull rod A, a press switch A fixed on the sleeve is respectively provided with a button A and a spring piece A, the push switch B fixed on the sleeve is respectively provided with a spring piece B and a button B.

The length of the pull rod A is shorter than that of the hollow interior of the sleeve.

The spring A arranged in the pull rod A is a compression spring.

The length of two ends of the pin B fixed on the pull rod B symmetrically extends into the sliding groove of the pull rod A, and the total length of the pin B is smaller than the diameter of the pull rod A.

The two adjusting screws B are symmetrically fixed on the sleeve through threaded connection, and the spring C inside the adjusting screws B symmetrically supports the marble B against the outer wall of the pull rod A.

The push switch A and the push switch B fixed on the sleeve are vertically installed, the push buttons A on the push switch A are two and the two push buttons A are connected in parallel through a wire, the push buttons B on the push switch B are two, and the two push buttons B are connected in parallel through a wire.

Compared with the prior art, the invention has the following beneficial effects, and the technical scheme shows that: the groove at the top of the sleeve is respectively provided with the cover plate and the torsion spring, the cover plate is connected with the torsion spring, the torsion spring is used for supporting the push button, the convex end of the push button is pressed on the cover plate to press the top of the pull rod B and the handle, the pull rod A is arranged in the sleeve in a clearance mode, the pull rod B and the spring A are arranged in the inner portion of one end of the pull rod A in a clearance mode, and the components are arranged in the sleeve, so that the whole occupied space is small, and the structure is compact. The spring A placed in the pull rod A is a compression spring, and the operation is convenient and labor-saving when the pull rod A is lifted. The push switch A fixed on the sleeve and the push switch B fixed on the sleeve are vertically installed, so that misoperation of emergency lowering of the cabin door and lifting and falling of the frame switch under emergency is avoided. Two springs C which are symmetrically and fixedly installed and penetrate through the inner portion of an adjusting screw B on a sleeve pipe enable a marble B to be propped against an annular groove of a pull rod A, the pull rod drives a pin A to stably prop against a spring piece A and the spring piece B, the spring piece A and the spring piece B sequentially press two buttons A which are installed on a press switch A in parallel, the two buttons B which are installed on the press switch B in parallel are arranged, and the reliability of performance when the press switch is switched on and switched over is guaranteed. Therefore, the invention has the characteristics of compact structure, low misoperation probability, convenient operation and reliable switch-on conversion performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of FIG. 1 in accordance with the present invention;

FIG. 3 is a right side view of FIG. 1 in accordance with the present invention;

FIG. 4 is an assembly view of a pull rod A, a pull rod B and an adjusting screw B according to the present invention;

FIG. 5 is a schematic view of the assembly of the tie rod A and the tie rod B of the present invention;

FIG. 6 is a left side view of the assembly of tie rod A and tie rod B of the present invention;

FIG. 7 is a diagram of the initial ready to use state of the present invention;

FIG. 8 is a view showing a state in which the one-stage pulling of the present invention is used;

FIG. 9 is a diagram showing a state in which the two-stage pulling of the present invention is used.

The labels in the figure are:

1. a cover plate; 2. a sleeve; 3. a switch A is pressed; 4. a button A; 5. a spring piece A; 6. adjusting the screw A; 7. a pull rod A; 8. a stopper; 9. a pin A; 10. a push rod seat; 11. a push rod; 12. a spring piece B; 13. a button B; 14. a press switch B; 15. an adjusting screw B; 16. a pull rod B; 17. a handle; 18. a torsion spring; 19. a push button; 20. a spring A; 21. a spring B; 22. a marble A; 23. a pin B; 24. a spring C; 25. and (4) marble B.

Detailed Description

For better understanding of the technical solution of the handle mechanism of the pull-rotate trigger switch of the present invention, the following detailed description of the modes, structures, features and effects thereof will be provided in conjunction with the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 6, the handle mechanism of the pull-up rotary trigger switch of the present invention comprises a sleeve 2, a push switch A3, a pull rod a7, a push rod seat 10, a push switch B14 and a pull rod B16, wherein: a cover plate 1 and a torsion spring 18 which is connected through a hinge and is propped against a push button 19 are respectively arranged in a groove at the top of a sleeve 2, the convex end of the push button 19 is pressed on the cover plate 1, a pull rod A7 is arranged in a gap inside the sleeve 2, a pull rod B16 and a spring A20 are arranged in a gap inside one end of the pull rod A7, a pin A9 is fixedly arranged at the other end of the pull rod A7, a pin A9 extends into a groove which is extended out of a push rod 11 movably arranged in a sliding groove of a push rod seat 10 and is propped against by a stop block 8 fixed on the sleeve 2, a spring B21 which is propped against a marble A22 is arranged in an adjusting screw A6 arranged on the push rod seat 10 fixed with the sleeve 2 into a whole, a handle 17 and a pin B23 with two ends extending into a groove of the pull rod A7 are respectively and fixedly arranged in the groove at the top and the bottom of the adjusting screw B15 and the sleeve 2, a spring C8 arranged in the adjusting screw B2 props against the outer wall of the pull rod A7, three annular grooves are formed on A7, a push switch A3 fixed on the casing 2 is respectively provided with a button a4 and a spring piece a5, and a push switch B14 fixed on the casing 2 is respectively provided with a spring piece B12 and a button B13; the length of the pull rod A7 is shorter than the length of the hollow inside of the sleeve 2, so that the device has compact structure; the spring A20 arranged in the pull rod A7 is a compression spring, so that labor is saved during lifting; the length of two ends of the pin B23 fixed on the pull rod B16 symmetrically extends into the sliding groove of the pull rod A7, and the total length of the pin B23 is smaller than the diameter of the pull rod A7, so that the pin B23 is prevented from contacting with the inner wall of the pull rod A when moving, and the operation hand feeling is optimized; the two adjusting screws B15 are symmetrically fixed on the sleeve 2 through threaded connection, and the spring C24 in the adjusting screw B15 symmetrically supports the marble B25 against the outer wall of the pull rod A7, so that the pull rod A7 is uniformly and stably stressed and rises; the push switch A3 and the push switch B14 fixed on the sleeve 2 are vertically installed, so that the emergency lowering of the cabin door and the misoperation of a landing gear switch under an emergency situation are avoided, the push buttons A4 on the push switch A3 are two, the two push buttons A4 are connected in parallel through a lead, the push buttons B13 on the push switch B14 are two, the two push buttons B13 are connected in parallel through a lead, and the reliability of switch signal output is guaranteed.

The working principle is as follows: referring to fig. 2, 3, 4 and 7, after the push button 19 is pushed away, the spring a20 lifts the pull rod B16 upward, the pin B23 fixed on the pull rod B16 reaches the end of the sliding slot on the pull rod a7 and drives the pull rod a7 to move upward, the spring C24 in the adjusting screw B15 mounted on the sleeve 1 pushes the marble B25 into the first annular groove of the pull rod a7, and simultaneously, the handle 17 of the top groove of the pull rod B16 pushes the cover plate 1 open to enter the initial ready-to-use state. Next, referring to fig. 2, 3, 4, and 8, the pulling handle 17 drives the pulling rod B16, the pulling rod B16 drives the pulling rod a7 to move upward through the pin B23, the spring C24 installed inside the adjusting screw B15 on the casing 1 pushes the ball B25 into the second annular groove of the pulling rod a7, the pin a9 fixed on the bottom of the pulling rod a7 drives the pushing rod 11 to move upward in the sliding groove of the pushing rod seat 10 and push the spring B12, and the spring B12 presses the two buttons B13 on the pressing switch B14, thereby completing the primary pulling. Finally, referring to fig. 2, 3, 4 and 9, the handle is rotated 90 ° counterclockwise, since the spring B21 in the adjusting screw A6 pushes the marble a22 into the groove of the push rod 11, so that the button B13 is always pressed by the spring plate B12, the secondary pulling handle 17 drives the pull rod B16, the pull rod B16 drives the pull rod a7 to move upward through the pin B23, the spring C24 in the adjusting screw B15 mounted on the sleeve 1 pushes the marble B25 into the third annular groove of the pull rod a7, meanwhile, the pin a9 fixed on the bottom of the pull rod a7 moves upward to push the spring plate a5, and the spring plate B12 presses the two buttons a4 on the pressing switch A3, thereby completing the secondary pulling.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the present invention without departing from the technical spirit of the present invention.

Claims

1. The utility model provides a carry handle mechanism who draws rotatory trigger switch, includes sleeve pipe (2), push switch A (3), pull rod A (7), push rod seat (10), push switch B (14), pull rod B (16), its characterized in that: the groove at the top of the sleeve (2) is respectively and movably connected with a cover plate (1) and a torsion spring (18) which props against a push button (19), the convex end of the push button (19) is pressed on the cover plate (1), a pull rod A (7) is arranged in a gap way inside the sleeve (2), a pull rod B (16) and a spring A (20) are arranged in a gap way inside one end of the pull rod A (7), a pin A (9) is fixedly arranged at the other end of the pull rod A (7), the pin A (9) extends into the groove which extends out of a push rod (11) which is movably arranged in a sliding groove of a push rod seat (10) and is propped against by a stop block (8) which is fixed on the sleeve (2), a regulating screw A (6) which is fixedly connected with the sleeve (2) into a whole and is provided with a spring B (21) which props against a marble A (22), the groove at the top and the bottom of the pull rod B (16) are respectively and fixedly connected with a handle (17) and a pin B (23) which extends into the pin groove of the pull rod A (7), adjusting screw B (15) and the threaded fixation on sleeve pipe (2), install spring C (24) inside adjusting screw B (15) and withhold marble B (25) the outer wall of pull rod A (7), seted up three ring channel on pull rod A (7), press switch A (3) that are fixed in on sleeve pipe (2) are installed button A (4) and spring leaf A (5) respectively, press switch B (14) that are fixed in on sleeve pipe (2) are installed spring leaf B (12) and button B (13) respectively.

2. The handle mechanism of a pull-up rotary trigger switch as set forth in claim 1, wherein: the length of the pull rod A (7) is shorter than the length of the hollow inside of the sleeve (2).

3. The handle mechanism of a pull-up rotary trigger switch as set forth in claim 1, wherein: the spring A (20) arranged inside the pull rod A (7) is a compression spring.

4. The handle mechanism of a pull-up rotary trigger switch as set forth in claim 1, wherein: the length of two ends of the pin B (23) fixed on the pull rod B (16) symmetrically extends into the sliding groove of the pull rod A (7), and the total length of the pin B (23) is smaller than the diameter of the pull rod A (7).

5. The handle mechanism of a pull-up rotary trigger switch as set forth in claim 1, wherein: the two adjusting screws B (15) are symmetrically fixed on the sleeve (2) through threaded connection, and the spring C (24) in the adjusting screws B (15) symmetrically supports the marble B (25) against the outer wall of the pull rod A (7).

6. The handle mechanism of a pull-up rotary trigger switch as set forth in claim 1, wherein: the push switch A (3) fixed on the sleeve (2) and the push switch B (14) are vertically installed, the push buttons A (4) on the push switch A (3) are two and the two push buttons A (4) are connected in parallel through a lead, and the push buttons B (13) on the push switch B (14) are two and the two push buttons B (13) are connected in parallel through a lead.