Fuel switching structure of generator set

Abstract

The utility model discloses a generator set fuel switching structure which comprises a protective shell, a circular groove is formed in the top of the protective shell, a through hole is formed in the bottom of the protective shell, a supporting cylinder is fixedly connected to the bottom wall of the protective shell, a protective cylinder is fixedly connected to the bottom wall of the supporting cylinder, a rotating plate is movably inserted into the circular groove, and a rotating rod is fixedly connected into the bottom of the rotating plate. The bottom end of the rotating rod is rotatably inserted into the bearing seat, the bottom end of the rotating rod is fixedly connected with a driven rod, the bottom end of the driven rod extends downwards through the through hole, the bottom end of the driven rod is fixedly connected with a sealing plug, and an air hole is formed in the middle of the sealing plug, so that the moving stability of the pressing block is high; the telescopic rod pushes the push plate to move towards the rotating rod until the toothed plate on the clamping plate abuts against the gear, the gear is stopped stably through meshing, the rotating rod is stopped more stably, the effect of preventing misoperation is achieved, the situation that the rotating rod rotates to drive the pressing block to move is prevented, and safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel switching structures, in particular to a fuel switching structure for a generator set. Background Art

[0002] Dual-fuel generator sets can use a mixture of diesel and natural gas as fuel, or they can run only on diesel in the absence of natural gas. They have the excellent and reliable performance of diesel generator sets, as well as the economic and environmental advantages of natural gas generator sets. The existing fuel switching switch needs to be switched manually during use, which makes it easy to make misoperations during use, resulting in inconsistency between fuel switching and engine operating conditions. At the same time, there are bumps during driving, which makes the switch and contacts poorly contacted, affecting normal use;

[0003] In this regard, the Chinese utility model patent with the authorization announcement number CN205823482U discloses a fuel switching mechanism for a generator set, including a fixed body and a first fuel pipe and a second fuel pipe both connected to a carburetor, the first fuel pipe is provided with a switch, the switch is connected with a first fuel feed pipe, the fixed body is provided with two adjacent mounting holes, one of the mounting holes is provided with a knob for controlling the switch, the other mounting hole is provided with a connector for connecting the second fuel pipe, the other end of the connector is connected with a second fuel feed pipe, the knob is provided with a knob piece extending radially outward, and the position of the connector is exactly located at the position of the knob piece when the switch is in the on state. The fuel switching mechanism of the generator set of the utility model can realize the switching of two or more fuels and can avoid mixing between different fuels;

[0004] The existing device switching uses multiple sets of switches for control, but it is easy to cause misoperation, resulting in fuel switching inconsistent with engine operating conditions. At the same time, bumps occur during driving, resulting in poor contact between the switch and the contact, affecting normal use. For this reason, we propose a generator set fuel switching structure to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fuel switching structure for a generator set to solve the problems raised in the above-mentioned background technology.

[0006] A fuel switching structure for a generator set comprises a protective shell, a circular groove is formed in the top of the protective shell, a through hole is formed in the bottom of the protective shell, a support cylinder is fixedly connected to the bottom wall of the protective shell, and a protective cylinder is fixedly connected to the bottom wall of the support cylinder;

[0007] A rotating plate is movably inserted in the circular groove, a rotating rod is fixedly connected in the bottom of the rotating plate, the bottom end of the rotating rod is rotatably inserted in the bearing seat, a driven rod is fixedly connected to the bottom end of the rotating rod, the bottom end of the driven rod extends downward through the through hole, a sealing plug is fixedly connected to the bottom end of the driven rod, and an air hole is opened in the middle of the sealing plug;

[0008] A fuel switch is fixedly installed on the top surface of the protective shell, a flameout switch is arranged on the parallel side of the fuel switch, a support seat is fixedly connected to the rotating rod, a slide bar is fixedly connected to the side wall of the support seat, a pressure block is fixedly connected to the top wall of the slide bar, and the top end of the pressure block is movably abutted against the flameout switch and the bottom wall of the fuel switch;

[0009] An electric push rod is fixedly installed on the inner wall of the protective shell, a telescopic rod is installed on the side output end of the electric push rod, a push plate is fixedly connected to the side end of the telescopic rod, a splint is fixedly connected to the side wall of the push plate, a gear is fixedly inserted on the rotating rod, and the side wall of the gear is movably engaged with the gear plate.

[0010] Preferably, a slide rail is fixedly connected to the inner wall of the protective shell, and a side end of the slide rod is movably clamped in the slide rail.

[0011] Preferably, a handle is fixedly connected to the top of the rotating plate, an anti-slip pad is fixedly connected to the outer wall of the handle, and a plurality of groups of indicator stickers are arranged on the top wall of the rotating plate.

[0012] Preferably, one side wall of the protective tube is fixedly connected to the air outlet pipe, and the other side wall of the protective tube is fixedly connected to the air inlet pipe, and two sides of the sealing plug abut against the side walls of the air outlet pipe and the air inlet pipe.

[0013] Preferably, a mounting plate is fixedly connected to the top side of the protective shell, and two groups of mounting plates are symmetrically arranged.

[0014] Preferably, a control box is fixedly mounted on the inner wall of the protective shell, the bottom end of the push plate is fixedly connected to a limit rod, a limit groove is provided on the inner bottom surface of the protective shell, and the limit rod is movably engaged in the limit groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with a sealing plug, which blocks the air inlet pipe so that the air inlet pipe cannot be supplied with gas. The user drives the rotating plate to rotate by turning the handle. After rotating ninety degrees, the rotating plate rotates and drives the driven rod to rotate through the rotating rod. The driven rod drives the sealing plug to rotate. The sealing plug rotates and drives the air hole to rotate, so that the air inlet pipe is connected with the air outlet pipe. The generator set supplies gas for easy use. The user continues to rotate ninety degrees, and the rotating rod drives the supporting seat to rotate. The supporting seat drives the sliding rod to rotate. The sliding rod drives the pressing block to rotate, so that the pressing block rotates and presses against the fuel switch, and the fuel is directly switched. Supply, continue to rotate the rotating plate ninety degrees, so that the pressure block abuts on the flameout switch, and the device is turned off, which is quick and convenient, saving time and effort. By providing a slide rod in conjunction with the slide rail, the slide rod has high rotation stability, and then the pressure block has strong movement stability. During use, by starting the electric push rod, the electric push rod pushes the telescopic rod to extend, and the telescopic rod pushes the push plate to move toward the rotating rod until the toothed plate on the splint abuts on the gear, and the gear stops firmly through meshing, making the rotating rod stop more firmly, thereby preventing misoperation and preventing the rotating rod from rotating to drive the pressure block to move, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front view of the internal structure of the support tube and the protective tube in the utility model;

[0019] Figure 3 This is a schematic diagram of the front view of the internal structure of the protective shell in the utility model;

[0020] Figure 4 It is a schematic diagram of the front view structure inside the protective shell of the utility model.

[0021] In the figure: 1. protective shell; 101. circular groove; 102. through hole; 103. mounting plate; 2. support tube; 3. protective tube; 4. exhaust pipe; 5. intake pipe; 6. rotating plate; 601. handle; 602. anti-skid pad; 603. indicator sticker; 7. rotating rod; 701. gear; 8. fuel switch; 9. flameout switch; 10. support seat; 11. slide rod; 12. pressure block; 13. slide rail; 14. bearing seat; 15. driven rod; 16. sealing plug; 161. air hole; 17. electric push rod; 171. telescopic rod; 18. push plate; 181. limit rod; 182. limit groove; 19. splint; 191. tooth plate; 20. control box. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0023] See also Figure 1-2 The utility model provides a technical solution: a fuel switching structure of a generator set, comprising a protective shell 1, a circular groove 101 is opened in the top of the protective shell 1, a through hole 102 is opened in the bottom of the protective shell 1, a support cylinder 2 is fixedly connected to the bottom wall of the protective shell 1, and a protective cylinder 3 is fixedly connected to the bottom wall of the support cylinder 2;

[0024] It should be noted that a rotating plate 6 is movably inserted in the circular groove 101, a rotating rod 7 is fixedly connected to the bottom of the rotating plate 6, the bottom end of the rotating rod 7 is rotatably inserted in the bearing seat 14, a driven rod 15 is fixedly connected to the bottom end of the rotating rod 7, the bottom end of the driven rod 15 extends downward through the through hole 102, a sealing plug 16 is fixedly connected to the bottom end of the driven rod 15, and an air hole 161 is opened in the middle of the sealing plug 16. The user drives the rotating plate 6 to rotate by rotating the handle 601, and rotates ninety degrees. The rotating plate 6 rotates and drives the driven rod 15 to rotate through the rotating rod 7, and the driven rod 15 drives the sealing plug 16 to rotate. The sealing plug 16 rotates and drives the air hole 161 to rotate, so that the air inlet pipe 4 is connected with the air outlet pipe 5, and the generator set is supplied with gas, which is convenient for use;

[0025] It should be noted that a fuel switch 8 is fixedly installed on the top surface of the protective shell 1, and a flameout switch 9 is arranged on the parallel side of the fuel switch 8. A support seat 10 is fixedly connected to the rotating rod 7, and a sliding rod 11 is fixedly connected to the side wall of the support seat 10. A pressure block 12 is fixedly connected to the top wall of the sliding rod 11, and the top of the pressure block 12 is movably abutted against the flameout switch 9 and the bottom wall of the fuel switch 8. When in use, the rotating rod 7 drives the supporting seat 10 to rotate, the supporting seat 10 drives the sliding rod 11 to rotate, and the sliding rod 11 drives the pressure block 12 to rotate, so that the pressure block 12 rotates and presses against the fuel switch 8, directly switching the fuel supply, and continuing to rotate the rotating plate 6 by ninety degrees, so that the pressure block 12 abuts against the flameout switch 9, and the device is turned off, which is fast and convenient, saving time and effort;

[0026] In addition, an electric push rod 17 is fixedly installed on the inner wall of the protective shell 1, and a telescopic rod 171 is installed on the side output end of the electric push rod 17. A push plate 18 is fixedly connected to the side end of the telescopic rod 171, and a splint 19 is fixedly connected to the side wall of the push plate 18. A toothed plate 191 is fixedly connected to the side wall of the splint 19. A gear 701 is fixedly inserted on the rotating rod 7, and the side wall of the gear 701 is movably engaged with the toothed plate 191. By starting the electric push rod 17, the electric push rod 17 pushes the telescopic rod 171 to extend, and the telescopic rod 171 pushes the push plate 18 to move toward the rotating rod 7 until the toothed plate 191 on the splint 19 abuts against the gear 701. The engagement makes the gear 701 stop firmly, and the rotating rod 7 stops more firmly, thereby preventing misoperation. Example

[0027] See also Figure 3 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment;

[0028] Specifically, one side wall of the protective tube 3 is fixedly connected to the air outlet pipe 4, and the other side wall of the protective tube 3 is fixedly connected to the air inlet pipe 5. The two sides of the sealing plug 16 abut against the side walls of the air outlet pipe 4 and the air inlet pipe 5. By providing the sealing plug 16, the sealing plug 16 blocks the air inlet pipe 5, so that the air inlet pipe 5 cannot supply gas.

[0029] It should be noted that the inner wall of the protective shell 1 is fixedly connected to a slide rail 13, and the side end of the slide rod 11 is movably clamped in the slide rail 13. By providing the slide rod 11 for use with the slide rail 13, the rotation stability of the slide rod 11 is high, and then the movement stability of the pressure block 12 is strong.

[0030] It should be noted that a control box 20 is fixedly installed on the inner wall of the protective shell 1 , a limit rod 181 is fixedly connected to the bottom end of the push plate 18 , a limit groove 182 is provided on the inner bottom surface of the protective shell 1 , and the limit rod 181 is movably engaged in the limit groove 182 .

[0031] In addition, a handle 601 is fixedly connected to the top of the rotating plate 6 , an anti-slip pad 602 is fixedly connected to the outer wall of the handle 601 , and a plurality of groups of indicator stickers 603 are arranged on the top wall of the rotating plate 6 .

[0032] Specifically, a mounting plate 103 is fixedly connected to the top side of the protective shell 1 , and two groups of mounting plates 103 are symmetrically arranged. Example

[0033] See also Figures 1 to 4 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments;

[0034] When the utility model is in use, a sealing plug 16 is provided, and the sealing plug 16 blocks the air inlet pipe 5, so that the air inlet pipe 5 cannot be supplied with gas. The user drives the rotating plate 6 to rotate by rotating the handle 601, and the rotating plate 6 rotates ninety degrees, and the rotating plate 6 rotates to drive the driven rod 15 to rotate through the rotating rod 7, and the driven rod 15 drives the sealing plug 16 to rotate, and the sealing plug 16 rotates, which drives the air hole 161 to rotate, so that the air inlet pipe 4 is connected with the air outlet pipe 5, and the generator set supplies gas for easy use, and continues to rotate ninety degrees, the rotating rod 7 drives the supporting seat 10 to rotate, the supporting seat 10 drives the sliding rod 11 to rotate, and the sliding rod 11 drives the pressing block 12 to rotate, so that the pressing block 12 rotates and presses against the fuel switch 8, and directly switches The fuel is supplied and the rotating plate 6 is continued to be rotated ninety degrees so that the pressure block 12 abuts against the flameout switch 9 to close the device. This is quick and convenient, saving time and effort. The slide bar 11 is provided to cooperate with the slide rail 13 so that the slide bar 11 has high rotation stability, thereby making the pressure block 12 have strong movement stability. During use, the electric push rod 17 is started and the electric push rod 17 pushes the telescopic rod 171 to extend, and the telescopic rod 171 pushes the push plate 18 to move toward the rotating rod 7 until the toothed plate 191 on the splint 19 abuts against the gear 701. The gear 701 stops stably through meshing, making the rotating rod 7 stop more stably, thereby preventing misoperation and preventing the rotating rod 7 from rotating to drive the pressure block 12 to move, which is safer.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel switching structure for a generator set, comprising a protective shell (1), characterized in that: A circular groove (101) is provided in the top of the protective shell (1), a through hole (102) is provided in the bottom of the protective shell (1), a support tube (2) is fixedly connected to the bottom wall of the protective shell (1), and a protective tube (3) is fixedly connected to the bottom wall of the support tube (2); A rotating plate (6) is movably inserted in the circular groove (101), a rotating rod (7) is fixedly connected to the bottom of the rotating plate (6), the bottom end of the rotating rod (7) is rotatably inserted in the bearing seat (14), a driven rod (15) is fixedly connected to the bottom end of the rotating rod (7), the bottom end of the driven rod (15) extends downward through the through hole (102), a sealing plug (16) is fixedly connected to the bottom end of the driven rod (15), and an air hole (161) is opened in the middle of the sealing plug (16); A fuel switch (8) is fixedly mounted on the inner top surface of the protective shell (1), a flameout switch (9) is arranged on the parallel side of the fuel switch (8), a support seat (10) is fixedly connected to the rotating rod (7), a sliding rod (11) is fixedly connected to the side wall of the support seat (10), a pressing block (12) is fixedly connected to the top wall of the sliding rod (11), and the top end of the pressing block (12) is movably abutted against the flameout switch (9) and the bottom wall of the fuel switch (8); An electric push rod (17) is fixedly mounted on the inner wall of the protective shell (1), a telescopic rod (171) is mounted on the side output end of the electric push rod (17), a push plate (18) is fixedly connected to the side end of the telescopic rod (171), a clamping plate (19) is fixedly connected to the side wall of the push plate (18), a toothed plate (191) is fixedly connected to the side wall of the clamping plate (19), a gear (701) is fixedly plugged into the rotating rod (7), and the side wall of the gear (701) is movably meshed with the toothed plate (191).

2. A fuel switching structure for a generator set according to claim 1, characterized in that: One side wall of the protective tube (3) is fixedly connected to an air outlet pipe (4), and the other side wall of the protective tube (3) is fixedly connected to an air inlet pipe (5). Both sides of the sealing plug (16) abut against the side walls of the air outlet pipe (4) and the air inlet pipe (5).

3. A fuel switching structure for a generator set according to claim 1, characterized in that: The inner wall of the protective shell (1) is fixedly connected to a slide rail (13), and the side end of the slide rod (11) is movably clamped in the slide rail (13).

4. A fuel switching structure for a generator set according to claim 1, characterized in that: A control box (20) is fixedly mounted on the inner wall of the protective shell (1); the bottom end of the push plate (18) is fixedly connected to a limit rod (181); a limit groove (182) is provided on the inner bottom surface of the protective shell (1); and the limit rod (181) is movably engaged in the limit groove (182).

5. A fuel switching structure for a generator set according to claim 1, characterized in that: A handle (601) is fixedly connected to the top of the rotating plate (6), an anti-slip pad (602) is fixedly connected to the outer wall of the handle (601), and a plurality of groups of indicator stickers (603) are arranged on the top wall of the rotating plate (6).

6. A fuel switching structure for a generator set according to claim 1, characterized in that: A mounting plate (103) is fixedly connected to the top side of the protective shell (1), and two groups of mounting plates (103) are symmetrically arranged.

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