Air pipe for air pump

Abstract

The utility model discloses an air pipe for an air pump, which comprises a corrugated pipe, an upper connecting shell is rotatably sleeved on the outer side of the corrugated pipe, a lower connecting shell is rotatably sleeved on the outer side of the corrugated pipe, the upper connecting shell and the lower connecting shell are mutually contacted, and an inner nozzle is fixedly sleeved inside the corrugated pipe. According to the utility model, through the design of the inner nozzle and the injection molding between the inner nozzle and the corrugated pipe, the connection tightness of the inner nozzle and the corrugated pipe can be improved, the sealing performance can be improved, air leakage during air delivery can be prevented, through the protection cover, the connection part of the inner nozzle and the corrugated pipe can be reinforced, and the strength of the connection part can be improved; the upper connecting shell and the lower connecting shell can be connected and fixed, the internal threads are arranged in the upper connecting shell and the lower connecting shell, when the corrugated pipe is connected and used, only the upper connecting shell and the lower connecting shell need to be rotated, and the problem that when the air pipe is installed, the whole air pipe needs to be rotated, and operation is not easy is solved.

Description

Technical Field

[0001] This utility model relates to the field of air tube technology, specifically an air tube used in an air pump. Background Technology

[0002] An air pump is a mechanical device used to draw in or expel gases or gas mixtures. Air pumps typically use working parts such as pistons, vanes, and screws to generate negative or positive pressure through mechanical movement, thereby achieving the intake or exhaust of gas. Air pumps are widely used in industry, agriculture, medicine, environmental protection, and other fields for operations such as gas delivery, pressurization, and vacuuming. During the use of an air pump, it is necessary to connect an air hose.

[0003] Currently, air pump hoses are typically connected by threads, but this requires rotating the entire hose during installation, which is inconvenient. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide an air pipe for use with an air pump, which solves the problem of the inconvenience of rotating the entire air pipe during installation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an air pipe for an air pump, comprising a corrugated pipe, an upper connecting shell rotatably sleeved on the outer side of the corrugated pipe, a lower connecting shell rotatably sleeved on the outer side of the corrugated pipe, the upper and lower connecting shells being in contact with each other, an inner nozzle fixedly sleeved inside the corrugated pipe, a protective cover fixedly sleeved on the outer side of the inner nozzle, the protective cover being fixedly connected to the corrugated pipe, the protective cover being rotatably connected to both the upper and lower connecting shells, the inner nozzle being rotatably connected to both the upper and lower connecting shells, two symmetrically distributed locking blocks (first type) fixedly connected to the upper end of the lower connecting shell, the locking blocks (first type) engaging with the upper connecting shell, and two symmetrically distributed locking blocks (second type) fixedly connected to the outer side of the lower connecting shell, the locking blocks (second type) engaging with the upper connecting shell.

[0006] Preferably, the upper connecting shell has a slot inside, and a locking block is engaged inside the slot. By designing the slot, the locking block can be engaged inside the upper connecting shell.

[0007] Preferably, the upper connecting shell has a second slot inside, and a second locking block is engaged inside the second slot. By designing the second slot, the second locking block can be engaged inside the lower connecting shell.

[0008] Preferably, the upper connecting shell has an annular groove inside, and an inner nozzle is rotatably connected inside the annular groove. By designing the annular groove, the inner nozzle can rotate relative to the upper connecting shell.

[0009] Preferably, the lower connecting shell is internally provided with an annular groove two, and the inner nozzle is rotationally connected in the annular groove two. The annular groove two is designed to enable the relative rotation between the inner nozzle and the lower connecting shell.

[0010] Preferably, the inner nozzle is injection molded with the corrugated pipe, and the shroud is injection molded with the corrugated pipe and the inner nozzle. The injection molding connection can improve the connection and sealing between the inner nozzle, the corrugated pipe and the shroud.

[0011] Preferably, the clamping block one and the clamping groove one are in interference fit, and the clamping block two and the clamping groove two are in interference fit. The clamping connection between the clamping block one and the clamping groove one and between the clamping block two and the clamping groove two can realize the combined use of the upper connecting shell and the lower connecting shell.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The inner nozzle is injection molded with the corrugated pipe, which can improve the connection tightness of the inner nozzle and the corrugated pipe, improve the sealing performance, prevent gas leakage during gas conveying, reinforce the connection between the inner nozzle and the corrugated pipe through the shroud, improve the strength, connect and fix the upper connecting shell and the lower connecting shell through the clamping block one and the clamping block two, set the internal thread in the upper connecting shell and the lower connecting shell, and only need to rotate the upper connecting shell and the lower connecting shell when connecting the corrugated pipe, which solves the problem of difficult operation of rotating the whole gas pipe during gas pipe installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure perspective view of the utility model;

[0015] Figure 2 It is a whole structure perspective view of the utility model Figure 1 ; Figure 1

[0016] Figure 3 It is an enlarged view of A of the utility model Figure 2 ;

[0017] Figure 4 It is a whole structure perspective view of the utility model Figure 2 ; Figure 2

[0018] Figure 5 It is an enlarged view of B of the utility model Figure 4 ;

[0019] Figure 6 It is an inner nozzle structure perspective view of the utility model Figure 4 ;

[0020] ​​In the figure: 1, corrugated pipe; 2, upper connecting shell; 3, lower connecting shell; 4, inner nozzle; 5, shield; 6, clamping block one; 7, clamping groove one; 8, annular groove one; 9, annular groove two; 10, clamping groove two; 11, clamping block two. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , a gas pipe used by a gas pump, comprising a corrugated pipe 1, an upper connecting shell 2 is rotatably sleeved on the outer side of the corrugated pipe 1, a lower connecting shell 3 is rotatably sleeved on the outer side of the corrugated pipe 1, the upper connecting shell 2 and the lower connecting shell 3 are in contact with each other, an inner nozzle 4 is fixedly sleeved in the corrugated pipe 1, a shield 5 is fixedly sleeved on the outer side of the inner nozzle 4, the shield 5 is fixedly connected with the corrugated pipe 1, the inner nozzle 4 and the corrugated pipe 1 are injection molded, the shield 5 and the corrugated pipe 1 and the inner nozzle 4 are injection molded, and the connection sealing property between the inner nozzle 4, the corrugated pipe 1 and the shield 5 can be improved by injection molding.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , the shield 5 is rotatably connected with the upper connecting shell 2 and the lower connecting shell 3 respectively, the inner nozzle 4 is rotatably connected with the upper connecting shell 2, the annular groove one 8 is arranged in the inner nozzle 4, the inner nozzle 4 is rotatably connected in the annular groove one 8, the inner nozzle 4 can rotate relative to the upper connecting shell 2 by designing the annular groove one 8, the inner nozzle 4 is rotatably connected with the lower connecting shell 3, the annular groove two 9 is arranged in the lower connecting shell 3, the inner nozzle 4 is rotatably connected in the annular groove two 9, and the inner nozzle 4 can rotate relative to the lower connecting shell 3 by designing the annular groove two 9.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The upper end of the lower connecting shell 3 is fixedly connected with two symmetrically distributed clamping blocks one 6, the clamping blocks one 6 are clamped with the upper connecting shell 2, the inside of the upper connecting shell 2 is provided with a clamping groove one 7, the inside of the clamping groove one 7 is clamped with the clamping blocks one 6, the clamping blocks one 6 can be clamped into the inside of the upper connecting shell 2 by designing the clamping groove one 7, the outside of the lower connecting shell 3 is fixedly connected with two symmetrically distributed clamping blocks two 11, the clamping blocks two 11 are clamped with the upper connecting shell 2, the inside of the upper connecting shell 2 is provided with a clamping groove two 10, the inside of the clamping groove two 10 is clamped with the clamping blocks two 11, the clamping blocks two 11 can be clamped into the inside of the lower connecting shell 3 by designing the clamping groove two 10, the clamping blocks one 6 and the clamping blocks two 11 are all in interference fit with the clamping groove one 7 and the clamping groove two 10, the upper connecting shell 2 and the lower connecting shell 3 can be combined for use by designing the clamping fit of the clamping blocks one 6 and the clamping blocks two 11 with the clamping groove one 7 and the clamping groove two 10.

[0025] The specific implementation process of the utility model is as follows: when using, the inner nozzle 4 and the corrugated pipe 1 are injection molded between the inner nozzle 4 and the corrugated pipe 1, the connection tightness of the inner nozzle 4 and the corrugated pipe 1 can be improved, the sealing property is improved, gas leakage during gas conveying is prevented, the connection between the inner nozzle 4 and the corrugated pipe 1 can be reinforced by the action of the protective cover 5, the strength is improved, the upper connecting shell 2 and the lower connecting shell 3 can be connected and fixed by the action of the clamping blocks one 6 and the clamping blocks two 11, the interference fit of the clamping blocks one 6 and the clamping blocks two 11 with the clamping groove one 7 and the clamping groove two 10, the inner threads arranged in the upper connecting shell 2 and the lower connecting shell 3, when the corrugated pipe 1 is connected and used, only the upper connecting shell 2 and the lower connecting shell 3 need to be rotated, when the corrugated pipe 1 needs to be connected and used, only the two connecting shells need to be rotated to be connected and installed, the problem that the whole gas pipe needs to be rotated during gas pipe installation and is not easy to operate is solved.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An air hose for an air pump, comprising a corrugated pipe (1), characterized in that: The upper connecting shell (2) is rotatably sleeved on the outer side of the corrugated pipe (1), and the lower connecting shell (3) is rotatably sleeved on the outer side of the corrugated pipe (1). The upper connecting shell (2) and the lower connecting shell (3) are in contact with each other. The inner nozzle (4) is fixedly sleeved inside the corrugated pipe (1). The outer side of the inner nozzle (4) is fixedly sleeved with a protective cover (5). The protective cover (5) is fixedly connected to the corrugated pipe (1). The protective cover (5) is rotatably connected to the upper connecting shell (2) and the lower connecting shell (3) respectively. The inner nozzle (4) is rotatably connected to the upper connecting shell (2). The inner nozzle (4) is rotatably connected to the lower connecting shell (3). The upper end of the lower connecting shell (3) is fixedly connected with two symmetrically distributed locking blocks (6). The locking blocks (6) are locked to the upper connecting shell (2). The outer side of the lower connecting shell (3) is fixedly connected with two symmetrically distributed locking blocks (11). The locking blocks (11) are locked to the upper connecting shell (2).

2. The air pipe used in an air pump according to claim 1, characterized in that: The upper connecting shell (2) has a slot (7) inside, and a card block (6) is engaged inside the slot (7).

3. The air pipe used in an air pump according to claim 1, characterized in that: The upper connecting shell (2) has a slot two (10) inside, and a card block two (11) is engaged inside the slot two (10).

4. The air pipe used in an air pump according to claim 1, characterized in that: The upper connecting shell (2) has an annular groove (8) inside, and an inner nozzle (4) is rotatably connected inside the annular groove (8).

5. The air pipe used in an air pump according to claim 1, characterized in that: The lower connecting shell (3) has an annular groove (9) inside, and an inner nozzle (4) is rotatably connected inside the annular groove (9).

6. The air pipe used in an air pump according to claim 1, characterized in that: The inner nozzle (4) is injection molded between the bellows (1) and the protective cover (5) is injection molded between the bellows (1) and the inner nozzle (4).

7. The air pipe used in an air pump according to claim 1, characterized in that: The first card block (6) and the first card slot (7), as well as the second card block (11) and the second card slot (10), are all interference fits.

Images