CN112768281A

CN112768281A - Generator starting conversion device

Info

Publication number: CN112768281A
Application number: CN202110109091.2A
Authority: CN
Inventors: 蔡丹
Original assignee: Suzhou Erma Mechnical & Electrical Co ltd
Current assignee: Suzhou Erma Mechnical & Electrical Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-05-07

Abstract

The invention discloses a generator starting conversion device, comprising a switch box, an oil switch arranged at one end of the switch box, a knob arranged at the other end of the switch box, and an adjustment device arranged in the inner cavity of the switch box Gear, shrapnel, flameout switch and cam with damper cable, the oil switch extends into the switch box and is connected with the knob, the adjusting gear is fixed on the oil switch, and the adjusting gear is There are a plurality of gear slots and a switch part matched with the flameout switch, the elastic sheet is provided with a limit part matched with the gear slot, the cam is arranged coaxially with the adjusting gear and is connected with the adjusting gear. The rotating shaft portion of the adjusting gear is in clearance fit. The generator start-up conversion device provided by the invention can improve the structural stability.

Description

Generator starting conversion device

Technical Field

The invention relates to the technical field of power equipment, in particular to a starting conversion device of a generator.

Background

The existing generator starting method mainly comprises the following schemes.

Firstly, an oil switch, a throttle and a flameout switch are separately used and controlled by a single device, and the defects are that the use is troublesome and the operation is needed to be carried out at three different positions.

And secondly, a combined starting device is used, but the starting device is not sensitive to return and has no limit measure, so that the starting and running of the engine are influenced, and the user experience is poor.

Disclosure of Invention

Based on the above problems, the present invention aims to provide a generator starting conversion device, which can ensure the structural reliability of the air door inhaul cable.

In order to solve the problems in the prior art, the technical scheme provided by the invention is as follows:

the utility model provides a generator starts conversion equipment, is in including switch box, setting the oily switch of switch box one end, setting are in the knob of the switch box other end and setting are in adjusting gear, shell fragment, flame-out switch and the cam that has the air door cable of intracavity in the switch box, oily switch extends to in the switch box and with the knob is connected, adjusting gear fixes on the oily switch, be equipped with a plurality of gear grooves on the adjusting gear and with flame-out switch complex switch portion, be equipped with on the shell fragment with the spacing portion that the gear groove matches, the cam with the coaxial arrangement of adjusting gear and with adjusting gear's pivot portion clearance fit.

Further, adjusting gear still includes the carousel, pivot portion sets up carousel thickness direction one side, a plurality of gear grooves set up in the carousel week, switch portion sets up on the outer wall of pivot portion, be equipped with on the cam with switch portion matches dodge the groove, works as when the carousel rotates flame-out gear, switch portion with flame-out switch butt, switch portion with dodge the groove both ends and all have the interval.

Furthermore, the outer wall of the rotating shaft part is further provided with a limiting block, the cam is provided with a limiting groove matched with the limiting block, and when the rotating shaft rotates to a flameout gear, the limiting block and two ends of the limiting groove are provided with intervals.

Furthermore, the limiting block and the switch block are arranged on two radial sides of the rotating shaft part.

Furthermore, a limit part matched with the bump is arranged in the switch box, and when the switch part is abutted against the flameout switch, a bump on the rotary disc is abutted against the limit part.

Furthermore, a limiting rope and a positioning column are arranged at one end, matched with the cam, of the air door inhaul cable, the limiting rope is located on the radial outer side of the positioning column, a placing groove matched with the limiting rope and a positioning hole matched with the positioning column are formed in the cam, and the positioning hole is communicated with the placing groove.

Furthermore, the elastic sheet comprises a U-shaped elastic sheet main body and fixing parts symmetrically arranged at two ends of the elastic sheet main body, the limiting part is arranged on the elastic sheet main body, and positioning grooves matched with the fixing parts are arranged in the switch box.

Further, the switch box includes the box body, and sets up upper cover on the box body, the box body periphery is equipped with a plurality of draw-in grooves, on cover be equipped with the buckle that the draw-in groove matches.

Furthermore, a plurality of fixing columns are arranged in the box body, and the upper cover is fixed on the fixing columns through fasteners.

Compared with the prior art, the invention has the advantages that:

clearance fit between adjusting gear and the cam, when the generator switched to flame-out state by the running state, the air door line did not rotate along with adjusting gear rotation, can guarantee air door cable structure reliability, but adopt cam mechanism convenient operation, reduced the rotatory torsion of switch.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a generator starting and converting apparatus according to the present invention;

FIG. 2 is a first schematic view of a cam according to an embodiment of the present invention;

FIG. 3 is a second schematic structural view of a cam according to an embodiment of the present invention;

FIG. 4 is a first schematic structural diagram of an adjusting gear according to an embodiment of the present invention;

FIG. 5 is a second schematic structural view of an adjusting gear according to an embodiment of the present invention;

FIG. 6 is a schematic view of the engagement of the cam with the adjustment gear in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a spring plate according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of the embodiment of the present invention in a starting gear position;

FIG. 9 is a schematic structural diagram of the embodiment of the present invention in an operating gear;

FIG. 10 is a schematic structural diagram of the embodiment of the present invention in a key-off position;

wherein:

1. a knob;

2. an upper cover;

3. a cam; 3-1, avoiding the groove; 3-2, limiting grooves; 3-3, positioning holes; 3-4, placing a groove;

4. an adjusting gear; 4-1, a turntable; 4-1a, bumps; 4-1b, gear grooves; 4-2, a rotating shaft part; 4-3, a switch part; 4-4, a limiting block;

5. a spring plate; 5-1, a spring plate body; 5-2, a limiting part; 5-3, a fixing part;

6. a box body; 6-1, a limiting part; 6-2, positioning grooves; 6-3, fixing columns;

7. an oil switch;

8. a flameout switch;

9. an air door stay cable; 9-1, a positioning column; 9-2 and a limiting rope.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Referring to fig. 1, which is a schematic structural diagram of an embodiment of the present invention, a generator starting conversion device is provided, including a switch box, an oil switch 7 disposed at one end of the switch box, a knob 1 disposed at the other end of the switch box, and an adjusting gear 4, an elastic sheet 5, a flameout switch 8 and a cam 3 with an air door cable 9 disposed in an inner cavity of the switch box, wherein the oil switch 7 extends into the switch box and is connected with the knob 1, the adjusting gear 4 is fixed on the oil switch 7, three shift grooves 4-1b and a switch portion 4-3 matched with the flameout switch 8 are disposed on the adjusting gear 4, a limit portion 5-2 matched with the shift grooves 4-1b is disposed on the elastic sheet 5, and the cam 3 is disposed coaxially with the adjusting gear 4 and is in clearance fit with a rotating shaft portion 4-2 of the adjusting gear 4.

Referring to fig. 4-5, the adjusting gear 4 further comprises a rotary plate 4-1, a rotary shaft portion 4-2 is arranged on one side of the rotary plate 4-1 in the thickness direction, three gear grooves 4-1b are arranged on the periphery of the rotary plate 4-1, as shown in fig. 5, the adjusting gear comprises a starting gear, an operating gear and a flameout gear which are sequentially arranged along the clockwise direction of the rotary plate 4-1, a switch portion 4-3 is arranged on the outer wall of the rotary shaft portion 4-2, an avoiding groove 3-1 matched with the switch portion 4-3 is arranged on the cam 3, and the avoiding groove 3-1 is arc-shaped. Specifically, four lugs 4-1a are arranged at intervals in the circumferential direction of the rotary disc 4-1, and a gear groove 4-1b is formed between adjacent lugs 4-1 a. When the adjusting gear 4 is in a starting gear, the switch part 4-3 is abutted against one end of the avoidance groove 3-1 in the arc length direction, when the adjusting gear 4 rotates from the starting gear to an operating gear (rotates from the state of figure 8 to the state of figure 9 and rotates anticlockwise by 55 degrees), the cam 5 rotates under the action of a carburetor return spring, the position of the switch part 4-3 in the avoidance groove 3-1 is unchanged, when the adjusting gear 4 rotates from the operating gear to a flameout gear (rotates from the state of figure 9 to the state of figure 10 and rotates anticlockwise by 60 degrees), the switch part 4-3 moves to the middle part of the avoidance groove 3-1, the cam 5 does not rotate, and at the moment, the switch part 4-3 and two ends of the avoidance groove 3-1 in the arc length direction are spaced.

In order to further optimize the implementation effect of the invention, the outer wall of the rotating shaft part 4-2 is also provided with a limiting block 4-4, and the cam 3 is provided with a limiting groove 3-2 matched with the limiting block 4-4, so that the cam 3 can be limited on the adjusting gear 4 to be coaxially arranged with the adjusting gear 4, preferably, the limiting block 4-4 and the switch part 4-3 are arranged at two radial sides of the rotating shaft part 4-2, and the limiting block 4-4 and the limiting groove 3-2 are both arc-shaped. When the adjusting gear 4 is in a starting gear, the limiting block 4-4 is abutted against one end of the limiting groove in the arc length direction of the limiting groove 3-2, when the adjusting gear 4 rotates from the starting gear to an operating gear, the cam 5 rotates under the action of the carburetor return spring, the position of the limiting block 4-4 in the limiting groove 3-2 is unchanged, when the adjusting gear 4 rotates from the operating gear to a flameout gear, the limiting block 4-4 moves to the middle of the limiting groove 3-2, the cam 5 does not rotate, and at the moment, the limiting block 4-4 and two ends of the limiting groove 3-2 in the arc length direction have intervals.

In order to improve the stability of the starting conversion device, a limit part 6-1 matched with the lug 3 is arranged in the switch box, when the oil switch 7 is rotated through the knob 1 to drive the adjusting gear 4 to rotate to a flameout gear, as shown in figure 10, the switch part 4-3 is abutted against the flameout switch, and at the moment, a lug on the rotary disc 4-1 is abutted against the limit part 6-1, so that the stability of the mechanism is ensured.

Referring to fig. 2-3, one end of the air door cable 9 is fixed on the cam 3 and the other end extends out of the switch box, a limiting rope 9-2 and a positioning column 9-1 are arranged at one end of the air door inhaul cable 9 matched with the cam 3, the limiting rope 9-2 is positioned at the radial outer side of the positioning column 9-1, the cam 3 is provided with a placing groove 3-4 matched with the limiting rope 9-2 and a positioning hole 3-3 matched with the positioning column 9-1, the positioning hole 3-3 is communicated with the placing groove 3-4, the positioning column 9-1 is arranged in the positioning hole 3-3, the limiting rope 9-2 is arranged in the placing groove 3-4 at the same time, the air door pull cable 9 can be connected with the cam 3, the connection between the air door pull cable 9 and the carburetor of the generator is the prior art, and the description of the invention is omitted.

Referring to fig. 6, the spring plate 5 comprises a U-shaped spring plate main body 5-1 and fixing parts 5-3 symmetrically arranged at two ends of the spring plate main body 5-1, the limiting parts 5-2 are arranged on the spring plate main body 5-1, and positioning grooves 6-2 matched with the fixing parts 5-3 are arranged in the switch box.

In this example, the switch box includes box body 6 and upper cover 2 that sets up on box body 6, and box body 6 periphery is equipped with a plurality of draw-in grooves, is equipped with the buckle that matches with the draw-in groove on upper cover 2, and the buckle is connected between box body 6 and upper cover 2.

In order to improve the connection stability between the box body 6 and the upper cover 2, three fixing columns 6-3 are arranged in the box body 6, the upper cover 2 is fixed on the fixing columns 6-3 through fasteners, the three fixing columns 6-3 are arranged in a triangular shape, and the fasteners can adopt screws.

When the wind power generator works, the oil switch 7 is rotated through the knob 1 to drive the adjusting gear 4 to rotate to a starting gear, the limiting part 5-2 is positioned in the starting gear limiting groove, the air door is closed at the moment, the oil switch 7 is opened, and the generator is in a starting state; continuing to rotate the knob 1 anticlockwise to drive the adjusting gear 4 to rotate to an operating gear, moving the limiting part 5-2 into an operating gear limiting groove, rotating the coaxial cam 3 under the action of a carburetor return spring, opening the oil switch 7 at the moment, opening a carburetor air door, and enabling the generator to be in an operating state; the knob 1 continues to rotate anticlockwise, the adjusting gear 4 rotates to a flameout gear, the switch portion 4-3 is abutted to the flameout switch 8 to achieve flameout of the generator, the cam 3 is fixed, an idle stroke exists between the cam 3 and the adjusting gear 4, and the structural reliability of the air door stay cable 9 is guaranteed.

The above examples are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A generator start-up conversion device, characterized in that it comprises a switch box, an oil switch (7) arranged at one end of the switch box, a knob (1) arranged at the other end of the switch box, and an oil switch (1) arranged at the other end of the switch box. Adjusting gear (4), shrapnel (5), flameout switch (8) and cam (3) with damper cable (9) in the inner cavity of the switch box, and the oil switch (7) extends to the switch inside the box and connected with the knob (1), the adjusting gear (4) is fixed on the oil switch (7), and the adjusting gear (4) is provided with a plurality of gear slots (4-1b) , and a switch portion (4-3) matched with the flameout switch (8), the elastic piece (5) is provided with a limit portion (5-2) matched with the gear slot (4-1b) , the cam (3) is coaxially arranged with the adjusting gear (4) and has clearance fit with the adjusting gear (4).

2 . The generator starting conversion device according to claim 1 , wherein the adjusting gear ( 4 ) further comprises a rotary plate ( 4 - 1 ), and the rotary shaft portion ( 4 - 2 ) is arranged on the rotary plate ( 4 - 2 ). 3 . 4-1) On one side in the thickness direction, the plurality of gear grooves (4-1b) are arranged in the circumferential direction of the turntable (4-1), and the switch portion (4-3) is arranged on the shaft portion On the outer wall of (4-2), the cam (3) is provided with an escape groove (3-1) matched with the switch part (4-3), when the turntable (4-1) rotates until the flame is turned off In the gear position, the switch portion (4-3) is in contact with the flameout switch (8), and the switch portion (4-3) has a distance from both ends of the escape groove (3-1).

3. The generator starting conversion device according to claim 2, characterized in that: a limit block (4-4) is further provided on the outer wall of the rotating shaft portion (4-2), and a limit block (4-4) is provided on the cam (3) The limit slot (3-2) matched with the limit block (4-4), when the turntable (4-1) rotates to the flameout gear, the limit block (4-4) is connected with the limit block (4-4). Both ends of the limiting groove (3-2) are spaced apart.

4 . The generator starting conversion device according to claim 3 , wherein the limiting block ( 4 - 4 ) and the switch portion ( 4 - 3 ) are arranged in the radial direction of the rotating shaft portion ( 4 - 2 ). 5 . sides.

5. The generator starting conversion device according to claim 2, characterized in that: the turntable (4-1) is provided with a plurality of bumps (4-1a) at intervals in the circumferential direction, and two bumps (4-1a) are connected together. The gear groove (4-1b) is formed between 4-1a).

6 . The generator starting conversion device according to claim 5 , wherein the switch box is provided with a limiting portion ( 6 - 1 ) matching with the bump ( 4 - 1 a ), and when the The switch part (4-3) is in contact with the flameout switch (8), and a protrusion (4-1a) on the turntable (4-1) is in contact with the limiting part (6-1).

7. The generator starting conversion device according to claim 1, characterized in that: a limit rope (9-2) and a positioning column ( 9-1), the limit rope (9-2) is located at the radial outer side of the positioning column (9-1), and the cam (3) is provided with the limit rope (9-2) A matching placement groove (3-4), and a positioning hole (3-3) matching the positioning column (9-1), the positioning hole (3-3) and the placement slot (3-4) interconnected.

8 . The generator start-up conversion device according to claim 1 , wherein the elastic piece ( 5 ) comprises a U-shaped elastic piece main body ( 5 - 1 ), and is symmetrically arranged on the elastic piece main body ( 5 - 1 ). 9 . ) at both ends of the fixing portion (5-3), the limiting portion (5-2) is arranged on the elastic piece main body (5-1), and the switch box is provided with the fixing portion (5-3) ) to match the positioning slot (6-2).

9 . The generator starting conversion device according to claim 1 , wherein the switch box comprises a box body ( 6 ) and an upper cover ( 2 ) arranged on the box body ( 6 ). The outer periphery of the box body (6) is provided with a plurality of snap grooves, and the upper cover (2) is provided with snap buttons matched with the snap grooves.

10. The generator start-up conversion device according to claim 9, characterized in that: the box body (6) is provided with a plurality of fixing columns (6-3), and the upper cover (2) is provided with fasteners be fixed on the fixing column (6-3).