Blowing and sucking machine with improved efficiency structure

Abstract

The utility model discloses a kind of blow-suction machines with improve efficiency structure, including shell and braces, the air inlet of shell is connected with blow-suction pipe, dust outlet is connected with grass bag, the side of shell is equipped with boss column;Further including rotating plate, the rotating plate is opened with shaft hole and is rotatably connected with boss column, the both ends of braces are fixed on rotating plate;Further including locking assembly for circumferentially locking rotating plate and shell, the surface of blow-suction pipe is equipped with external thread and is connected with extension tube by thread sleeve, the angle between adjusting braces and shell, the overall length of blow-suction pipe length has longer by extension tube, and overall length can be adjusted, after adjusting, the demand of user can be satisfied, flexible and convenient, to improve work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of blow-suction machine technology, specifically a blow-suction machine with an efficiency-enhancing structure. Background Technology

[0002] A blower / vacuum cleaner is a common outdoor cleaning tool, mainly used for cleaning and collecting fallen leaves. It blows leaves away by blowing air or sucks them into a bag by suction.

[0003] As existing technology, Chinese patent CN202466492U proposes a backpack-style blower / vacuum cleaner. This backpack-style blower / vacuum cleaner includes a housing with an air inlet and a dust outlet. The air inlet is connected to a blower / vacuum pipe, and the dust outlet is connected to a grass collection bag. The housing also has a carrying strap. This solves the problem of the laboriousness of hand-carrying operation for gardeners.

[0004] However, the shoulder strap in this technical solution is integrally connected to the shell, and the length of the air duct is also fixed. Different people have different body shapes and usage habits. For example, the angle between the shoulder strap and the shell, and the length of the air duct cannot be adjusted, which is not very flexible and is quite limited, thus restricting the improvement of work efficiency. There is still room for improvement. Utility Model Content

[0005] The purpose of this invention is to provide a blow-suction machine with an efficiency-enhancing structure to solve the problems mentioned in the background art.

[0006] To solve the above technical problems, this utility model adopts the following technical solution: a blower with an efficiency-enhancing structure, including a housing and a shoulder strap, wherein the air inlet of the housing is connected to a blower pipe and the dust outlet is connected to a dust collection bag, and the side of the housing is provided with a protruding post; it also includes a rotating plate, the rotating plate having an axle hole and being rotatably connected to the protruding post, and the two ends of the shoulder strap being fixed to the rotating plate; it also includes a locking component for circumferentially locking the rotating plate and the housing.

[0007] Using the above solution, when it is necessary to adjust the angle between the strap and the shell, rotate the rotating plate. After rotating to the appropriate angle, lock the rotating plate circumferentially through the locking component. The adjustment can meet the user's needs, which is flexible and convenient, thereby improving work efficiency.

[0008] Furthermore, the surface of the blow-suction tube is provided with external threads and an extension tube is threadedly connected to it.

[0009] Using the above scheme, the length of the blowing and suction tube is extended by the extension tube, resulting in a longer overall length. When it is necessary to adjust the overall length, the extension tube is rotated, and the extension tube moves along the length direction of the blowing tube, thereby achieving the adjustment.

[0010] Furthermore, the locking assembly includes a plurality of protruding rings disposed on the surface of the housing, equidistant from each other around the protruding post, and a pair of first screw holes disposed on the rotating plate symmetrically about the connecting hole; the protruding rings are provided with internal threads; and a pair of bolts are also included to connect the protruding rings to the pair of first screw holes.

[0011] Using the above scheme, when the rotating plate rotates, after adjusting the strap and the housing to a suitable angle, the screw is rotated, and after the screw is displaced in the first screw hole, it extends into the convex ring for connection.

[0012] Furthermore, the side wall of the protruding post is provided with a protruding connecting ring, and the inner wall of the connecting hole is provided with an annular groove that can be rotatably connected with the connecting ring.

[0013] Furthermore, an outer retaining ring is provided on the outer side of the front end of the blowing and suction tube, and an inner retaining ring is provided on the inner side of the rear end of the extension tube. The inner retaining ring has an internal thread and is threadedly connected to the blowing and suction tube. The outer diameter of the inner retaining ring is larger than the inner diameter of the outer retaining ring.

[0014] Using the above scheme, outer and inner retaining rings are set to limit the displacement distance of the extension tube, preventing the extension tube from falling off the blow-suction tube.

[0015] Furthermore, the front side of the blow-suction tube is slidably fitted with an annular elastic pressing part, and the elastic pressing part has several tooth-shaped protrusions on the side facing the outer retaining ring. The inner retaining ring has a second screw hole along the axial direction. The tube also includes a screw rod passing through the screw hole. The second screw hole and the screw rod are provided in multiple circumferential directions. The front end of the screw rod is provided with a pressure plate.

[0016] Using the above scheme, after adjusting the overall length, the screw is rotated to move along the second screw hole, so that the pressure plate squeezes the elastic pressing part to press the outer retaining ring tightly. The toothed protrusion deforms and generates a certain friction with the outer retaining ring, so that the extension tube and the blowing tube are locked relative to each other in the circumferential direction. At the same time, after the elastic pressing part deforms, it can also fill the gap between the outer retaining ring and the inner wall of the extension tube.

[0017] The beneficial effects of this utility model are as follows: When it is necessary to adjust the angle between the shoulder strap and the shell, rotate the rotating plate. After rotating to the appropriate angle, the rotating plate is circumferentially locked by the locking component. After adjustment, it can meet the user's needs, which is flexible and convenient, thereby improving work efficiency. The length of the blowing and suction tube is extended by the extension tube, which has a longer overall length. When it is necessary to adjust the overall length, rotate the extension tube, and the extension tube moves along the length direction of the blowing tube, thereby achieving adjustment. After adjustment, it can meet the user's needs, which is flexible and convenient, thereby improving work efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2This is a cross-sectional view of the connection between the blow-suction tube and the extension tube in this utility model. Figure 3 for Figure 2 Enlarged view in the image.

[0019] The labels in the diagram mean: 1. Shell; 11. Blow-off tube; 12. Shoulder strap; 2. Protruding post; 21. Connecting ring; 3. Rotating plate; 31. Connecting hole; 311. Annular groove; 32. First screw hole; 4. Protruding ring; 5. Bolt; 6. Extension tube; 71. Outer retaining ring; 72. Inner retaining ring; 721. Second screw hole; 8. Screw; 81. Pressure plate; 9. Elastic pressing part; 91. Toothed protrusion. Detailed Implementation

[0020] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law. Example

[0021] See appendix Figure 1 The present embodiment of this utility model further includes: a blower with an efficiency-enhancing structure, comprising a housing 1 and a shoulder strap 12. The air inlet of the housing 1 is connected to a blower pipe 11, and the dust outlet is connected to a dust collection bag. The side of the housing 1 is provided with a circular protrusion 2. It also includes a rotating plate 3, which has a shaft hole and is rotatably connected to the protrusion 2. Specifically, the side wall of the protrusion 2 is provided with a protruding connecting ring 21, and the inner wall of the connecting hole 31 is provided with an annular groove 311 that can be rotatably connected to the connecting ring 21. The two ends of the shoulder strap 12 are fixed to the rotating plate 3. It also includes a locking assembly for circumferentially locking the rotating plate 3 and the housing 1. Specifically, the locking assembly includes a plurality of protruding rings 4 disposed on the surface of the housing 1 with the protruding post 2 as the center and equidistantly arranged in the circumferential direction, and a pair of first screw holes 32 disposed on the rotating plate 3 symmetrically arranged about the connecting hole 31; the protruding rings 4 are provided with internal threads; and also includes a pair of bolts 5 connecting the protruding rings 4 to the pair of first screw holes 32.

[0022] The principle of this embodiment is as follows: when it is necessary to adjust the angle between the shoulder strap 12 and the housing 1, rotate the rotating plate 3. After rotating to a suitable angle, rotate the screw 8. After the screw 8 is displaced in the first screw hole 32, it extends into the convex ring 4 for connection. After adjustment, it can meet the user's needs, which is flexible and convenient, thereby improving work efficiency. Example

[0023] See appendix Figure 1-3 In a further embodiment of the present invention, the surface of the blowing and suction tube 11 is provided with external threads and an extension tube 6 is threadedly connected to it. An outer retaining ring 71 is provided on the outer side of the front end of the blowing and suction tube 11, and an inner retaining ring 72 is provided on the inner side of the rear end of the extension tube 6. The inner retaining ring 72 has an internal thread and is threaded to the blowing and suction tube 11. The outer diameter of the inner retaining ring 72 is larger than the inner diameter of the outer retaining ring 71. The front side of the blow-suction tube 11 is slidably fitted with an annular elastic pressing part 9. The elastic pressing part 9 is preferably made of elastic rubber or elastic silicone. The elastic pressing part 9 has several tooth-shaped protrusions 91 on the side facing the outer retaining ring 71. The inner retaining ring 72 has a second screw hole 721 along the axial direction. It also includes a screw 8 passing through the screw hole. The second screw hole 721 and the screw 8 are provided in multiple directions along the circumference. The front end of the screw 8 is provided with a pressure plate 81.

[0024] The principle of this embodiment is as follows: when it is necessary to adjust the overall length, the extension tube 6 is rotated and the extension tube 6 moves along the length direction of the blowing tube, thereby realizing the adjustment. After adjustment, it can meet the user's needs, which is flexible and convenient, thereby improving work efficiency. The outer retaining ring 71 and the inner retaining ring 72 limit the displacement distance of the extension tube 6 to prevent the extension tube 6 from falling off the blow-suction tube 11. After adjusting the overall length, the screw 8 is rotated to move along the second screw hole 721, so that the pressure plate 81 squeezes the elastic pressing part 9 to press the outer retaining ring 71 tightly. The toothed protrusion 91 deforms and generates a certain friction with the outer retaining ring 71, so that the extension tube 6 and the blow-suction tube are locked relative to each other in the circumferential direction. At the same time, after the elastic pressing part 9 deforms, it can also fill the gap between the outer retaining ring 71 and the inner wall of the extension tube 6.

[0025] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A blower / vacuum cleaner with an efficiency-enhancing structure, comprising a housing (1) and a shoulder strap (12), wherein the air inlet of the housing (1) is connected to a blower / vacuum pipe (11) and the dust outlet is connected to a dust collection bag, characterized in that, The housing (1) has a protruding post (2) on its side; it also includes a rotating plate (3), which has a shaft hole and is rotatably connected to the protruding post (2), and the two ends of the shoulder strap (12) are fixed on the rotating plate (3); it also includes a locking assembly for circumferentially locking the rotating plate (3) and the housing (1).

2. The blow-suction machine with an efficiency-enhancing structure according to claim 1, characterized in that, The surface of the blow-suction tube (11) is provided with external threads and an extension tube (6) is threadedly connected to it.

3. A blow-suction machine with an efficiency-enhancing structure according to claim 1, characterized in that, The locking assembly includes a plurality of protruding rings (4) arranged equidistantly around the protruding post (2) on the surface of the housing (1) and a pair of first screw holes (32) symmetrically arranged on the rotating plate (3) about the connecting hole (31); the protruding rings (4) are provided with internal threads; and also includes a pair of bolts (5) connecting the protruding rings (4) to the pair of first screw holes (32).

4. A blow-suction machine with an efficiency-enhancing structure according to claim 1 or 3, characterized in that, The side wall of the protruding post (2) is provided with a protruding connecting ring (21), and the inner wall of the connecting hole (31) is provided with an annular groove (311) that can be rotatably connected with the connecting ring (21).

5. A blow-suction machine with an efficiency-enhancing structure according to claim 2, characterized in that, The front end of the blow-suction tube (11) is provided with an outer retaining ring (71), and the rear end of the extension tube (6) is provided with an inner retaining ring (72). The inner retaining ring (72) has an internal thread and is threadedly connected to the blow-suction tube (11). The outer diameter of the inner retaining ring (72) is larger than the inner diameter of the outer retaining ring (71).

6. A blow-suction machine with an efficiency-enhancing structure according to claim 5, characterized in that, The front side of the blow-suction tube (11) is fitted with an annular elastic pressing part (9), and the elastic pressing part (9) has a number of toothed protrusions (91) on the side facing the outer retaining ring (71). The inner retaining ring (72) has a second screw hole (721) along the axial direction. The tube also includes a screw (8) that passes through the screw hole, and the front end of the screw (8) is provided with a pressure plate (81).

Images