Suction nozzle body capable of adjusting opening degree of feed port

Abstract

The utility model discloses a suction nozzle body capable of adjusting the opening degree of a feed port, which comprises a frame and two adjusting components, and the two adjusting components are respectively and fixedly connected to two sides of the frame; the suction nozzle body is rotationally connected to the bottom of the adjusting assembly; the two suction nozzle limiting frame assemblies are fixedly connected to the two sides of the vehicle frame correspondingly. The vertical air cylinder is additionally arranged in the middle of the front end of the suction nozzle body, when large garbage such as fallen leaves on the ground is much, the air cylinder acts to lift the front end of the suction nozzle body, and at the moment, the front ends of the roller support assemblies on the two sides of the suction nozzle body do not move upwards along with the suction nozzle body and only rotate around the rotating shaft on the rear portion. In this way, the sealing effect of the two sides can be guaranteed, the negative pressure in the suction nozzle body is improved, and the problem that large garbage such as fallen leaves cannot be sucked into a garbage can even if the number of fallen leaves is large is solved.

Description

Technical Field

[0001] The utility model belongs to the field of sanitation machinery, and specifically relates to a suction nozzle body with an adjustable feed opening. Background Art

[0002] Traditional manual cleaning can no longer meet such stringent requirements, and a large number of mechanical cleaning equipment have emerged.

[0003] Traditional cleaning and sweeping vehicles on the market basically use a suction nozzle to suck garbage into the trash can through a pipe. However, when used in autumn, there are many fallen leaves, and there is a problem that the fallen leaves cannot enter the suction nozzle, and larger garbage such as fallen leaves cannot be sucked into the trash can.

[0004] There are two solutions for most of the solutions in the industry: 1. Add a crushing mechanism. This method adds a large additional cost and has a poor crushing effect. 2. Add an adjustable opening mechanism at the front end of the suction nozzle. This method has a small opening, and when there are many fallen leaves, the suction and sweeping effect is unsatisfactory. It also has a complex structure and a high failure rate. Utility Model Content

[0005] The utility model provides a suction nozzle body with an adjustable feed opening, which solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is: a suction nozzle body with adjustable feeding opening, including a frame, and also including

[0007] Two adjustment assemblies, the two adjustment assemblies are respectively fixedly connected to two sides of the frame;

[0008] A nozzle body, the nozzle body being rotatably connected to the bottom of the adjustment assembly;

[0009] Two suction nozzle limiting frame assemblies, the two suction nozzle limiting frame assemblies are respectively fixedly connected to two sides of the frame;

[0010] A walking assembly, the walking assembly being mounted on the nozzle body;

[0011] A front lifting device, the front lifting device is fixedly connected to the front side of the top of the nozzle body;

[0012] A rear lifting device, the rear lifting device is fixedly connected to both sides of the top of the nozzle body;

[0013] The adjustment assembly includes a nozzle mounting frame, and the nozzle mounting frame is fixedly connected to one side of the frame;

[0014] A connecting rod mounting seat, wherein the connecting rod mounting seat is fixedly connected to the bottom of the nozzle mounting frame;

[0015] A connecting rod, one end of which is rotatably connected to the bottom of the connecting rod mounting seat, and the other end of which is rotatably connected to the top of the nozzle body;

[0016] The walking assembly includes two walking wheel mounting shafts, and the two walking wheel mounting shafts both penetrate the nozzle body;

[0017] A walking wheel mounting bracket, wherein the walking wheel mounting bracket is arranged on both sides of the surface of the walking wheel mounting shaft;

[0018] A running wheel assembly, wherein the running wheel assembly is mounted on a running wheel mounting shaft of the running wheel mounting bracket;

[0019] A round hole and a slide hole are respectively provided on the two side plates of the nozzle body.

[0020] Preferably, the nozzle limiting frame assembly comprises two front limiting rods and two rear limiting rods, and the front limiting rods and the rear limiting rods are symmetrically arranged on both sides of the frame.

[0021] Preferably, the nozzle body is sealed on all sides and has two suction pipe openings on the top.

[0022] The beneficial effects of adopting the above technical solution are:

[0023] The utility model adds a vertical cylinder at the middle position of the front end of the suction nozzle body. When there is a lot of large garbage such as fallen leaves on the ground, the cylinder is activated to raise the front end of the suction nozzle body. At this time, the front ends of the roller bracket assemblies on both sides of the suction nozzle body will not move up with the suction nozzle body, but only rotate around the rear rotation axis. This can ensure the sealing effect on both sides and increase the negative pressure in the suction nozzle body. Therefore, even if there are a lot of fallen leaves, the problem of being unable to suck large garbage such as fallen leaves into the trash can will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an axial side view provided by the utility model;

[0025] Figure 2 It is an axial supplementary view provided by the utility model;

[0026] Figure 3 This is a diagram of the suction nozzle body of the utility model in a retracted state;

[0027] Figure 4 This is a diagram of the utility model nozzle body falling down in working state;

[0028] Figure 5 This is a working state diagram of the suction nozzle body of the utility model when the front end is lifted;

[0029] in:

[0030] 1. Frame; 2. Adjustment assembly; 3. Suction nozzle body; 4. Suction nozzle limit frame assembly; 5. Travel assembly; 6. Front lifting device; 7. Rear lifting device; 8. Round hole; 9. Slide hole; 10. Suction tube opening;

[0031] 21. Nozzle mounting bracket; 22. Connecting rod mounting seat; 23. Connecting rod;

[0032] 41. Front limit rod; 42. Rear limit rod;

[0033] 51. Travel wheel mounting shaft; 52. Travel wheel mounting bracket; 53. Travel wheel assembly. DETAILED DESCRIPTION

[0034] The specific implementation methods of the utility model are further explained in detail below with reference to the accompanying drawings through the description of embodiments, with the aim of helping technicians in the field to have a more complete, accurate and in-depth understanding of the concept and technical solution of the utility model and facilitating its implementation.

[0035] like Figures 1 to 5 As shown, the utility model is a suction nozzle body with an adjustable feed port opening, which has the advantages of ensuring the sealing effect on both sides, increasing the negative pressure in the suction nozzle body, thereby ensuring the suction and sweeping effect, and having a simple structure.

[0036] Specifically, Figures 1 to 5 As shown, it includes a frame 1 and also includes

[0037] Two adjustment components 2, the two adjustment components 2 are respectively fixedly connected to two sides of the frame 1;

[0038] The nozzle body 3 is rotatably connected to the bottom of the adjustment component 2;

[0039] Two suction nozzle limiting frame assemblies 4, the two suction nozzle limiting frame assemblies 4 are respectively fixedly connected to two sides of the frame 1;

[0040] A walking assembly 5, the walking assembly 5 is mounted on the nozzle body 3;

[0041] The front lifting device 6 is fixedly connected to the front side of the top of the nozzle body 3. The front lifting device 6 can provide an upward force for the front end of the nozzle body 3, so that the front end of the nozzle body 3 is tilted and opened to a certain degree, so that garbage such as leaves can smoothly enter the inner cavity of the nozzle body 3;

[0042] The rear lifting device 7 is fixedly connected to both sides of the top of the nozzle body 3. The rear lifting device 7 can provide an upward force for the nozzle body 3 as a whole, so that the nozzle body 3 is lifted as a whole to the nozzle limit bracket. This state can be used when the vehicle is transferred;

[0043] The rear lifting device 7 is a cylinder, but is not limited to a cylinder;

[0044] The adjustment assembly 2 includes a nozzle mounting frame 21, and the nozzle mounting frame 21 is fixedly connected to one side of the frame 1;

[0045] A connecting rod mounting seat 22, the connecting rod mounting seat 22 is fixedly connected to the bottom of the nozzle mounting frame 21;

[0046] A connecting rod 23, one end of the connecting rod 23 is rotatably connected to the bottom of the connecting rod mounting seat 22, and the other end is rotatably connected to the top of the nozzle body 3;

[0047] The walking assembly 5 includes two walking wheel mounting shafts 51, and the two walking wheel mounting shafts 51 both penetrate the nozzle body 3;

[0048] The walking wheel mounting bracket 52 is arranged on both sides of the surface of the walking wheel mounting shaft 51;

[0049] The walking wheel assembly 53 is mounted on the walking wheel mounting shaft 51 of the walking wheel mounting bracket 52. The walking wheel assembly 53 is a common walking wheel in the industry and is mounted on the walking wheel mounting shaft 51 of the walking wheel mounting bracket 52 to provide support for the suction nozzle body to walk on the road surface and ensure that the suction nozzle body 3 is in rolling contact with the ground;

[0050] A circular hole 8 and a slide slot hole 9 are respectively formed on the two side plates of the nozzle body 3 .

[0051] The nozzle limiting frame assembly 4 includes two front limiting rods 41 and two rear limiting rods 42 . The front limiting rods 41 and the rear limiting rods 42 are symmetrically arranged on both sides of the frame 1 .

[0052] The nozzle body 3 is sealed on all sides and has two suction pipe openings 10 on the top.

[0053] The specific working method is described below with specific embodiments: Example 1

[0054] During normal operation: Figure 4 As shown, the rear lifting device 7 is powered, the oil cylinder extends, the suction nozzle body 3 falls, and the running wheel assembly 53 touches the ground. At this time, the suction nozzle body 3 is in a horizontal state with the ground as a whole, and the lower rigid component is 5-10mm away from the ground. The suction nozzle body 3 moves forward with the vehicle, and the garbage is sucked into the garbage bin through the suction nozzle body 3 to complete the garbage collection operation; Example 2

[0055] When there are a lot of light garbage such as leaves and paper: Figure 5As shown, the front lifting device 6 is electrically activated, the cylinder is retracted, and the front end of the suction nozzle body 3 is lifted. Since there is a round hole 8 and a slide hole 9 on the two side panels of the suction nozzle body 3, the suction nozzle body 3 and the running wheel mounting bracket 52 rotate relative to each other. At this time, the suction nozzle body 3 as a whole is high in the front and low in the back, and the running wheel mounting brackets 52 on both sides always keep a certain distance from the ground, so that the suction nozzle body 3 always maintains a good negative pressure cavity. In this way, light and large garbage such as leaves and paper can be sucked into the trash can through the suction nozzle body 3 to complete the garbage collection operation; Example 3

[0056] When transitioning: Figure 3 As shown, the rear lifting device 7 loses power, the oil cylinder is retracted, and the suction nozzle body 3 rises until it is firmly attached to the front limit rod 41 and the rear limit rod 42 of the suction nozzle limit frame. At this time, the vehicle transfer work can be realized.

[0057] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above-mentioned concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A suction nozzle body with adjustable feed opening, comprising a frame (1), characterized in that: Also includes Two adjustment components (2), the two adjustment components (2) being fixedly connected to two sides of the vehicle frame (1) respectively; A nozzle body (3), the nozzle body (3) being rotatably connected to the bottom of the adjustment component (2); Two suction nozzle limit frame assemblies (4), the two suction nozzle limit frame assemblies (4) being fixedly connected to two sides of the vehicle frame (1) respectively; A walking assembly (5), the walking assembly (5) being mounted on the nozzle body (3); A front lifting device (6), the front lifting device (6) being fixedly connected to the front side of the top of the nozzle body (3); A rear lifting device (7), the rear lifting device (7) being fixedly connected to two sides of the top of the nozzle body (3); The adjustment assembly (2) comprises a nozzle mounting frame (21), and the nozzle mounting frame (21) is fixedly connected to one side of the vehicle frame (1); A connecting rod mounting seat (22), wherein the connecting rod mounting seat (22) is fixedly connected to the bottom of the suction nozzle mounting frame (21); A connecting rod (23), one end of the connecting rod (23) being rotatably connected to the bottom of the connecting rod mounting seat (22), and the other end of the connecting rod being rotatably connected to the top of the nozzle body (3); The walking assembly (5) comprises two walking wheel mounting shafts (51), and the two walking wheel mounting shafts (51) both pass through the nozzle body (3); A walking wheel mounting bracket (52), wherein the walking wheel mounting bracket (52) is arranged on both sides of the surface of the walking wheel mounting shaft (51); A running wheel assembly (53), the running wheel assembly (53) being mounted on a running wheel mounting shaft (51) of the running wheel mounting bracket (52); A circular hole (8) and a slide slot hole (9) are respectively provided on the two side plates of the nozzle body (3).

2. A nozzle body with adjustable feed opening according to claim 1, characterized in that: The nozzle limiting frame assembly (4) comprises two front limiting rods (41) and two rear limiting rods (42), wherein the front limiting rods (41) and the rear limiting rods (42) are symmetrically arranged on two sides of the vehicle frame (1).

3. The suction nozzle body with adjustable feed opening according to claim 1, characterized in that: The nozzle body (3) is a structure that is sealed on all sides and has two suction pipe openings (10) on the top.

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