CN107386174B - A kind of more sucking mouth type nozzle bodies of sweeper - Google Patents

Abstract

The invention discloses a multi-suction nozzle body of a washing and sweeping vehicle, which includes a nozzle cavity and a water spray rod, and also includes a front sealing plate, a rear sealing plate and a rubber stopper. There are multiple suction ports, the front sealing plate and the rear sealing plate are respectively set at the front end and the rear end of the suction nozzle cavity, the rubber stopper is set at the bottom of the suction nozzle cavity, and the rubber stopper is arranged between the front sealing plate and the rear sealing plate When cleaning the ground, the bottom of the nozzle cavity, the front sealing plate, the rear sealing plate and the ground form a bottom chamber, and there is a gap between the rubber stopper and the ground, and the rubber stopper divides the bottom chamber into the front The chamber and the rear chamber, the water spray rod is arranged in the rear chamber, and the water spray rod is provided with a plurality of high-pressure nozzles along the length direction. The structure is simple, the volume of the suction nozzle body is reduced, the performance and working efficiency of the suction nozzle body are improved, and the washing ability and cleaning efficiency of the floor are improved.

Description

Multi-suction nozzle body for washing and sweeping car

technical field

The invention relates to the technical field of cleaning and sweeping vehicles, in particular to a multi-suction nozzle body of a cleaning and sweeping vehicle.

Background technique

With the development of cities in our country and the improvement of environmental protection requirements, the demand for sanitation equipment is increasing day by day. Among them, the sweeper is favored by the government because of its efficient cleaning of roads. One of the most important parts of a car washer is the nozzle body. The performance of the nozzle body directly affects the cleaning effect of the vehicle. At present, high-power fans are generally used on sweeping vehicles to generate a large negative pressure at the bottom of the suction nozzle, thereby achieving a better cleaning effect. But this way will cause greater energy waste. If the nozzle body is optimized reasonably, the power demand for the fan can be effectively reduced, and the purpose of saving energy can be achieved. Especially for electric sanitation vehicles, reducing the power of the fan means a significant increase in the battery life of the vehicle, which has positive engineering practical and social significance.

For the suction nozzles used in sanitation cars, the most common structure is still a narrow suction nozzle with a single suction port or a wide suction nozzle with a double suction port, and the bottom of the suction nozzle body is divided into 3 cavities, and the high-pressure water spray rod is arranged In the front chamber, the size of the entire suction nozzle in the traveling direction is larger, thereby requiring a larger installation space, which has a relatively large adverse effect on the layout of the vehicle.

Contents of the invention

The technical problem to be solved by the present invention is to provide a multi-suction nozzle body for a washing and sweeping vehicle in view of the above-mentioned defects in the prior art, which has a simple structure, reduces the volume of the nozzle body, and improves the performance of the nozzle body And work efficiency, improve the washing ability and cleaning efficiency of the ground.

The technical scheme that the present invention adopts for solving the problems of the technologies described above is:

A multi-suction nozzle body of a washing and sweeping vehicle, including a nozzle cavity and a water spray rod, it also includes a front sealing plate, a rear sealing plate and a rubber stopper, and the suction nozzle cavity is provided with multiple suction nozzles along the length direction , the front sealing plate and the rear sealing plate are respectively arranged at the front end and the rear end of the suction nozzle cavity, the rubber stopper is arranged at the bottom of the suction nozzle cavity, the rubber stopper is arranged between the front sealing plate and the rear sealing plate, and cleaning When the car is cleaning the ground, the bottom of the nozzle cavity, the front sealing plate, the rear sealing plate and the ground form a bottom chamber, and there is a gap between the rubber stopper and the ground, and the rubber stopper divides the bottom chamber into the front chamber and the rear chamber. In the chamber, the water spray rod is arranged in the rear chamber, and the water spray rod is provided with a plurality of nozzles along the length direction.

According to the above technical solution, a connecting plate is provided on the side wall of the suction nozzle cavity, and is connected to the frame of the cleaning vehicle through the connecting plate.

According to the above technical scheme, both the front sealing plate and the rear sealing plate are rubber strips.

According to the above technical solution, the number of suction ports is 2 to 4.

According to the above technical solution, the nozzle shoulder corresponding to each suction port is a circular arc, and the transition between adjacent suction nozzle shoulders is also a circular arc.

According to the above technical solution, the plurality of suction ports are evenly distributed along the length direction.

According to the above technical solution, the rubber stopper is connected to the bottom of the suction nozzle cavity through the screw rod, and the height of the rubber stopper is adjusted by turning the screw rod, thereby adjusting the ground clearance of the rubber stopper.

According to the above technical scheme, the spraying direction of the nozzle is oblique to the front chamber, and forms 30°～60° with the ground.

The present invention has the following beneficial effects:

The present invention has a simple structure, and the front chamber and the rear chamber are formed by the front sealing plate, the rear sealing plate, the rubber stopper and the ground, and the water curtain sprayed out by the nozzle can overlap each other to form a water wall, so as to protect the rear chamber. The sealing effect of the chamber maintains the sealing performance of the chamber, and at the same time ensures that the debris entering the front chamber can smoothly enter the rear chamber, and then be sucked into the garbage can. Under the same fan suction, the negative pressure formed by the suction nozzle body is increased, reducing The volume of the nozzle body is reduced, and the performance and working efficiency of the nozzle body are improved. The rear spray rod can further increase the impact force of high-pressure water on the ground, and improve the washing ability of the ground. At the same time, the splashed water can directly It is sucked into the dustbin by the suction nozzle, which improves the cleaning efficiency.

Description of drawings

Fig. 1 is the elevation view of the multi-suction type suction nozzle body of the washing and sweeping vehicle in the embodiment of the present invention;

Fig. 2 is the front view of the nozzle cavity in the embodiment of the present invention;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the A direction view of Fig. 1;

Fig. 5 is the B-B sectional view of Fig. 1;

In the figure, 1-nozzle cavity, 2-connecting plate, 3-front sealing plate, 4-rubber stopper, 5-nozzle, 6-spray rod, 7-rear sealing plate, 8-nozzle shoulder, 9 - suction mouth.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to Figures 1 to 5, the multi-suction nozzle body of the washing and sweeping vehicle in an embodiment of the present invention includes a nozzle cavity 1 and a spray rod 6, and it also includes a front sealing plate 3, a rear sealing Plate 7 and rubber stopper 4, the suction nozzle cavity 1 is provided with a plurality of suction ports along the length direction, the front sealing plate 3 and the rear sealing plate 7 are respectively arranged at the front end and rear end of the suction nozzle cavity 1, and the rubber stopper 4 It is arranged at the bottom of the suction nozzle cavity 1, and the rubber stopper 4 is arranged between the front sealing plate 3 and the rear sealing plate 7. The bottom of the suction nozzle cavity 1, the front sealing plate 3, and the rear sealing plate 7 and the ground form a bottom chamber, and there is a gap between the rubber stopper 4 and the ground. The rubber stopper 4 divides the bottom chamber into a front chamber and a rear chamber, and the water spray rod 6 is arranged in the rear chamber to spray water The rod 6 is provided with a plurality of high-pressure nozzles 5 along the length direction; it is used to spray high-pressure water to wash the ground, and the sprayed water curtains can overlap each other to form a water wall to seal the rear chamber.

Further, a connecting plate 2 is provided on the side wall of the suction nozzle cavity 1, through which it is connected to the frame of the cleaning vehicle; the connecting plate 2 is used for connecting and fixing the suction nozzle body.

Further, both the front sealing plate 3 and the rear sealing plate 7 are rubber strips.

Further, the number of suction ports is 3.

Further, the nozzle shoulder 8 corresponding to each suction port is a circular arc, and the transition between adjacent nozzle shoulders 8 is also a circular arc; the airflow resistance is further reduced.

Further, the multiple suction ports are evenly distributed along the length direction; the suction cavity corresponding to the multiple suction ports divides the entire suction nozzle cavity 1 equally, and the negative pressure area inside it is relatively uniform, and the velocity distribution of the airflow is also relatively uniform, which improves the suction capacity of the suction nozzle. Overall performance of chamber 1.

Further, the rubber stopper 4 is connected to the bottom of the suction nozzle cavity 1 through a screw rod, and the height of the rubber stopper 4 is adjusted by turning the screw rod, thereby adjusting the ground clearance of the rubber stopper 4; thereby maintaining the sealing of the chamber performance, while ensuring that the debris entering the front chamber can smoothly enter the rear chamber, and then be sucked into the garbage can.

Further, the water spraying direction of the high-pressure nozzle 5 is oblique to the front chamber, and is 45° to the ground; the high-pressure nozzle 5 is evenly distributed on the water spray rod 6 along the length direction, and the sprayed water curtains can overlap each other to form a water wall, Play a role in the sealing of the rear chamber.

In one embodiment of the present invention, the working principle of the present invention:

The technical scheme adopted in the present invention is: the three-suction nozzle body mainly includes a front sealing plate 3, a rear sealing plate 7, a rubber stopper 4, a three-suction nozzle cavity, a water spray rod 6 and a connecting plate 2. The whole nozzle body is mainly based on the three-suction nozzle cavity, the front sealing plate 3 is located at the front end of the suction nozzle cavity, the rear sealing plate 7 is located at the rear end of the suction nozzle cavity, the front sealing plate 3 and the rear sealing plate 7 are both For rubber strips. The rubber stopper 4 is arranged between the front sealing plate 3 and the rear sealing plate 7 and is close to the rear end surface of the suction nozzle cavity, distributing two chambers at the bottom of the suction nozzle body; wherein a water spray rod 6 is arranged in the rear chamber , used to spray high-pressure water to wash the ground; the connecting plate 2 is located at the front of the nozzle body and is used to connect and fix the nozzle body.

Further, a three-suction nozzle cavity is adopted, and the suction cavity corresponding to the three suction nozzles divides the entire nozzle cavity into three parts, and the 8 nozzle shoulders of each part adopt an arc-shaped structure, and the adjacent shoulders Arc transitions are also used between parts to further reduce airflow resistance. Compared with the traditional single-suction nozzle and double-suction nozzle cavity, the suction nozzle cavity has a relatively uniform internal negative pressure area, which does not concentrate at the suction nozzle cavity, and the airflow velocity distribution is also relatively uniform. The area where the airflow velocity is 0 at the edge of the suction nozzle cavity is reduced, and the overall performance is better than that of the double suction nozzle and single suction nozzle cavity.

Further, the front sealing plate 3 is located at the front end of the suction nozzle cavity, and the rear sealing plate 7 is located at the rear end of the suction nozzle cavity. Both the front sealing plate 3 and the rear sealing plate 7 are rubber strips, and the rubber stopper 4 is arranged on the Between the front sealing plate 3 and the rear sealing plate 7 and close to the rear end surface of the nozzle cavity, two chambers are distributed at the bottom of the nozzle body; and the ground clearance can be adjusted by adjusting the height of the rubber stopper 4 in the middle , so as to maintain the sealing performance of the rear chamber, and at the same time ensure that the sundries entering the front chamber can smoothly enter the rear chamber, and then be sucked into the garbage can.

Further, a water spray bar 6 is arranged in the rear chamber for spraying high-pressure water to wash the ground; a plurality of high-pressure nozzles 5 are arranged on the high-pressure water spray bar 6, and the water curtain sprayed by the nozzles 5 and the The ground is at an angle of 45 degrees, and can overlap each other to form a water wall, which can seal the rear chamber.

The structure of the present invention is described in conjunction with the accompanying drawings

As shown in Figure 1, the present invention mainly takes the three-sucking nozzle cavity 1 as the main body, and arranges a front sealing plate 3, a rubber stopper 4, a water spray rod 6 and a rear sealing plate 7 at the front, rear and bottom thereof. .

As shown in Figure 2, the three-suction nozzle cavity, the suction chamber corresponding to the three suction nozzles divides the entire nozzle cavity into three parts, the length of each part is 700mm, and the total length is 2100mm; each part has 8 nozzle shoulders The circular arc structure is adopted, and the adjacent shoulders also adopt a circular arc transition; the diameter of the corresponding three suction ports is 80mm, and the thickness of the suction cavity is 70mm.

As shown in Figure 2, the front sealing plate 3 is located at the front end of the suction nozzle cavity 1, and the rear sealing plate 7 is located at the rear end of the suction nozzle cavity. Both the front and rear sealing plates use rubber strips, and the rubber stopper 4 is arranged on Between the front and rear sealing plates and close to the rear end surface of the nozzle cavity 1, two chambers are distributed at the bottom of the nozzle body;

As shown in Figure 2, the height of the rubber stopper 4 in the middle can be adjusted. In actual use, the ground clearance can be ensured by adding rubber strips of different thicknesses, thereby maintaining the sealing performance of the chamber;

As shown in Figure 2, a water spray rod 6 is arranged in the rear chamber formed between the rubber stopper 4 and the rear sealing plate 7, and 13 high-pressure nozzles 5 are arranged on the water spray rod 6 for spraying high-pressure water , to wash the ground; the water curtain ejected from the nozzle 5 forms a 45-degree angle with the ground, and can be overlapped to form a water wall, which plays a role in sealing the rear chamber.

To sum up, the structure of the suction nozzle cavity has been optimized, which can effectively reduce the power of the matching fan and achieve the effect of energy saving and emission reduction; the structure of the entire suction nozzle body has been simplified, while realizing the function, It effectively reduces its external dimensions, which is conducive to the layout on the sanitation vehicle; the rear spray rod can further increase the impact of high-pressure water on the ground, improving the ability to wash the ground, and at the same time, the splashed water can be directly absorbed by the suction nozzle. It is sucked into the dustbin, which improves the cleaning efficiency.

The three-suction nozzle cavity is adopted, the structural parameters of the cavity are optimized, and the cavity at the bottom of the nozzle body is further simplified into two, and the high-pressure water spray rod is placed behind, thereby reducing the size of the suction nozzle. The size of the body in the forward direction simplifies the structure of the nozzle body and improves the performance of the nozzle body.

The above are only preferred embodiments of the present invention, which certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still belong to the protection scope of the present invention.

Claims (7)

1. a kind of more sucking mouth type nozzle bodies of sweeper, including suction nozzle cavity and spray boom, which is characterized in that it further includes preceding envelope Plate, rear sealing plate and rubber block are equipped with multiple suction inlets on suction nozzle cavity along its length, and preceding sealing plate and rear sealing plate are respectively arranged at The front-end and back-end of suction nozzle cavity, rubber block are set to the bottom of suction nozzle cavity, and rubber block is arranged in preceding sealing plate and rear envelope Between plate, the bottom of suction nozzle cavity, preceding sealing plate, rear sealing plate and ground form a bottom chamber, rubber when sweeper cleans ground There are gaps between glue block and ground, and bottom chamber is divided into front chamber and rear chamber by rubber block, after spray boom is set to In chamber, multiple nozzles are equipped on spray boom along its length；

The corresponding suction nozzle shoulder of each suction inlet is circular arc, is also arc transition between adjacent suction nozzle shoulder.

2. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that suction nozzle cavity wall, which is equipped with, to be connected Fishplate bar is connect by connecting plate with sweeper vehicle frame.

3. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that preceding sealing plate and rear sealing plate are rubber Adhesive tape.

4. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that the number of suction inlet is 2~4.

5. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that multiple suction inlets are equal along its length Even distribution.

6. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that rubber block is by screw rod and inhales The bottom of mouth cavity connects, and the height of rubber block is adjusted by screwing screw rod, thus to adjust the rubber block road clearance.

7. the more sucking mouth type nozzle bodies of sweeper according to claim 1, which is characterized in that the water spraying direction of nozzle is diagonally forward Chamber, with ground at 30 °~60 °.