Rotatable gas pipe joint

Abstract

The utility model discloses a rotatable air pipe joint, and relates to the technical field of air pumps, the rotatable air pipe joint comprises an access air pipe and a receiving air pipe, any one of the access air pipe and the receiving air pipe can be connected with an air pump, the sizes of pipe orifices of the access air pipe and the receiving air pipe are the same, and the access air pipe and the receiving air pipe are located on the same axis. The rotatable air pipe connector comprises a receiving air pipe, a fixing disc is fixedly arranged at the upper end of the receiving air pipe, a rotating shaft is rotationally arranged at the upper end of the fixing disc, six grooves distributed in a rectangular array mode are formed in the outer surface of the rotating shaft, and a limiting ring is fixedly arranged at the upper end of the fixing disc. The two air pipes are connected in a threaded rotation mode, connection firmness is high, connection operation is simple, universality is high, the sealing ring is clamped into the outer ring and the inner ring, the sealing capacity of the connecting position when the air pipes are connected is improved, air is effectively prevented from being exposed, and the using effect of the connector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air pumps, in particular to a rotatable air pipe joint. Background Art

[0002] An air pump is a device that removes air from a closed space or adds air to a closed space. Air pumps are mainly divided into electric air pumps, manual air pumps, foot-operated air pumps, and electric air pumps. Electric air pumps use electricity to continuously compress air to generate air pressure. They are mainly used for pumping, sewage treatment, electroplating, aeration of biogas tanks, tunnel ventilation, etc., and air pipe joints are needed in the use of air pumps.

[0003] However, the prior art still has the following problems:

[0004] First, the air pipe joints in the prior art are mostly limited in firmness of air pipe connection, and are usually fixed with bolts after connection. If the bolts are not fixed stably at a certain place, the connection may become loose as the airflow passes through, and multiple bolt fixing operations are required, which is troublesome.

[0005] Secondly, most of the air pipe joints in the prior art have poor sealing performance after connection, and usually part of the gas is exposed at the connection of the air pipe, which wastes resources and affects the service life of the interface.

[0006] In view of the above problems, the inventor proposes a rotatable air pipe joint to solve the above problems. Utility Model Content

[0007] In order to solve the problems of limited firmness of tracheal access and poor sealing after connection; the purpose of the utility model is to provide a rotatable tracheal joint.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a rotatable air pipe joint, comprising an incoming air pipe and a receiving air pipe, the incoming air pipe and the receiving air pipe can be connected to an air pump at any one of them, the incoming air pipe and the receiving air pipe have the same pipe opening size, the incoming air pipe and the receiving air pipe are located on the same axis, a fixed disk is fixedly provided at the upper end of the receiving air pipe, a rotating shaft is rotatably provided at the upper end of the fixed disk, six grooves distributed in a rectangular array are provided on the outer surface of the rotating shaft, a limiting ring is fixedly provided at the upper end of the fixed disk, and a matching limiting ring is provided at the lower end of the rotating shaft. The limiting groove used by the positioning ring has a T-shaped cross-sectional shape, the outer surface of the limiting ring fits with the inner wall of the limiting groove, a sleeve is fixedly provided on the inner surface of the rotating shaft, a threaded groove is provided on the inner wall of the sleeve, a threaded tube is fixedly provided on the lower end of the access air pipe, the sleeve and the threaded tube are both made of steel, and the access air pipe and the receiving air pipe are both made of soft materials, a through-type through groove is provided on the upper ends of the fixed plate and the threaded tube, and the size of the through groove is the same as the size of the outer surface of the access air pipe and the receiving air pipe, and the outer surface of the threaded tube is used in conjunction with the threaded groove.

[0009] Preferably, an outer ring is fixedly provided on the upper end of the rotating shaft, and an inner ring is fixedly provided on the inner side of the upper end of the rotating shaft, a sealing groove is formed between the outer ring and the inner ring, a connecting ring is fixedly provided on the outer surface of the access air pipe, the lower end of the connecting ring is in movable contact with the upper ends of the outer ring and the inner ring, a sealing ring is fixedly provided on the lower end of the connecting ring, the sealing ring is used in conjunction with the sealing groove, and the outer surface of the sealing ring is in contact with the inner wall of the sealing groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model connects two air pipes by rotating the thread, the overall connection strength is high, the connection firmness is good, the connection operation is relatively simple, and the versatility is high;

[0012] 2. The utility model improves the sealing ability of the joint when the air pipe is connected by clamping the sealing ring into the outer ring and the inner ring, effectively preventing the gas from leaking out and improving the use effect of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model.

[0016] Figure 3 This is an exploded view of the fixed plate and some structural sections of the utility model.

[0017] Figure 4 It is an exploded schematic diagram of the sealing ring and its connection structure of the utility model.

[0018] In the figure: 1, air inlet pipe; 2, air receiving pipe; 3, fixed plate; 31, rotating shaft; 32, sleeve; 33, threaded groove; 34, threaded pipe; 35, limiting ring; 36, limiting groove; 37, groove; 4, outer ring; 41, inner ring; 42, sealing groove; 43, connecting ring; 44, sealing ring. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1: Figure 1-3 As shown, the utility model provides a rotatable trachea joint, including an incoming trachea 1 and a receiving trachea 2, the incoming trachea 1 and the receiving trachea 2 have the same pipe opening size, the incoming trachea 1 and the receiving trachea 2 are located on the same axis, a fixed plate 3 is fixedly provided at the upper end of the receiving trachea 2, a rotating shaft 31 is rotatably provided at the upper end of the fixed plate 3, a limiting ring 35 is fixedly provided at the upper end of the fixed plate 3, a limiting groove 36 used to cooperate with the limiting ring 35 is provided at the lower end of the rotating shaft 31, the cross-sectional shape of the limiting ring 35 is T-shaped, the outer surface of the limiting ring 35 is fitted with the inner wall of the limiting groove 36, a sleeve 32 is fixedly provided on the inner surface of the rotating shaft 31, a threaded groove 33 is provided on the inner wall of the sleeve 32, and the lower end of the incoming trachea 1 is fixedly provided with a sleeve 32. A threaded tube 34 is fixedly provided at the end, and the outer surface of the threaded tube 34 is used in conjunction with the threaded groove 33. An interface is provided at the connection between the incoming air pipe 1 and the receiving air pipe 2. The connection is specifically made by aligning the threaded tube 34 on the incoming air pipe 1 with the threaded groove 33, rotating the rotating shaft 31 on the fixed disk 3, and the rotating shaft 31 can be rotated on the fixed disk 3 through the cooperation of the limiting ring 35 and the limiting groove 36. Under the rotation of the rotating shaft 31, the sleeve 32 rotates, and under the cooperation of the threaded groove 33, the threaded tube 34 gradually enters the sleeve 32 until it is completely entered to complete the connection. The two air pipes are connected by threaded rotation, the connection is relatively firm, the connection operation is relatively simple, and the versatility is relatively high.

[0021] The outer surface of the rotating shaft 31 is provided with six grooves 37 distributed in a rectangular array. The grooves 37 increase the roughness of the outer surface of the rotating shaft 31 to facilitate rotation.

[0022] The upper ends of the fixing plate 3 and the threaded tube 34 are both provided with through grooves, and the size of the through grooves is the same as the outer surface size of the access air pipe 1 and the receiving air pipe 2, so as to cooperate with the ventilation of the air pipe.

[0023] The sleeve 32 and the threaded tube 34 are both made of steel, and the incoming air pipe 1 and the receiving air pipe 2 are both made of soft materials. Steel has high stability, and soft materials facilitate the circulation of gas.

[0024] Embodiment 2: Figure 2-4 As shown, an outer ring 4 is fixedly provided at the upper end of the rotating shaft 31, and an inner ring 41 is fixedly provided on the inner side of the upper end of the rotating shaft 31, and a sealing groove 42 is formed between the outer ring 4 and the inner ring 41. A connecting ring 43 is fixedly provided on the outer surface of the air pipe 1, and the lower end of the connecting ring 43 is in active contact with the upper ends of the outer ring 4 and the inner ring 41. A sealing ring 44 is fixedly provided at the lower end of the connecting ring 43, and the sealing ring 44 is used in conjunction with the sealing groove 42. When the air pipe is connected, the sealing ring 44 at the lower end of the connecting ring 43 on the air pipe 1 is inserted into the sealing groove 42 on the rotating shaft 31. The sealing groove 42 is composed of the outer ring 4 and the inner ring 41. The sealing ring 44 is inserted into the outer ring 4 and the inner ring 41 to improve the sealing ability of the connection when the air pipe is connected, effectively prevent gas exposure, and improve the use effect of the joint.

[0025] Working principle: An interface is provided at the connection between the access air pipe 1 and the receiving air pipe 2. Specifically, the threaded pipe 34 on the access air pipe 1 is aligned with the thread groove 33, and the rotating shaft 31 on the fixed plate 3 is rotated. The rotating shaft 31 can be rotated on the fixed plate 3 through the cooperation of the limiting ring 35 and the limiting groove 36. Under the rotation of the rotating shaft 31, the sleeve 32 rotates, and under the cooperation of the thread groove 33, the threaded pipe 34 gradually enters the sleeve 32 until it is completely entered, and the connection is completed. The two air pipes are connected by the rotation of the thread, and the connection is firm, and the connection operation is simple and versatile.

[0026] The groove 37 is used to improve the roughness of the outer surface of the rotating shaft 31 to facilitate rotation;

[0027] When the air pipe is connected, the sealing ring 44 at the lower end of the connecting ring 43 on the air pipe 1 is inserted into the sealing groove 42 on the rotating shaft 31. The sealing groove 42 is composed of an outer ring 4 and an inner ring 41. The sealing ring 44 is inserted into the outer ring 4 and the inner ring 41 to improve the sealing ability of the connection when the air pipe is connected, effectively prevent gas leakage, and improve the use effect of the joint.

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A rotatable air pipe joint, comprising an incoming air pipe (1) and a receiving air pipe (2), characterized in that: A fixing plate (3) is fixedly provided at the upper end of the receiving air pipe (2), a rotating shaft (31) is rotatably provided at the upper end of the fixing plate (3), a limiting ring (35) is fixedly provided at the upper end of the fixing plate (3), a limiting groove (36) used in conjunction with the limiting ring (35) is provided at the lower end of the rotating shaft (31), a sleeve (32) is fixedly provided on the inner surface of the rotating shaft (31), a threaded groove (33) is provided on the inner wall of the sleeve (32), and a threaded tube (34) is fixedly provided at the lower end of the access air pipe (1), the outer surface of the threaded tube (34) being used in conjunction with the threaded groove (33).

2. A rotatable air pipe joint according to claim 1, characterized in that: An outer ring (4) is fixedly provided at the upper end of the rotating shaft (31), and an inner ring (41) is fixedly provided on the inner side of the upper end of the rotating shaft (31); a sealing groove (42) is formed between the outer ring (4) and the inner ring (41); a connecting ring (43) is fixedly provided on the outer surface of the access air pipe (1); a sealing ring (44) is fixedly provided at the lower end of the connecting ring (43); and the sealing ring (44) is used in conjunction with the sealing groove (42).

3. A rotatable air pipe joint according to claim 1, characterized in that: The cross-sectional shape of the limiting ring (35) is T-shaped, and the outer surface of the limiting ring (35) fits the inner wall of the limiting groove (36).

4. A rotatable air pipe joint according to claim 1, characterized in that: The outer surface of the rotating shaft (31) is provided with six grooves (37) distributed in a rectangular array.

5. A rotatable air pipe joint according to claim 1, characterized in that: The upper ends of the fixing plate (3) and the threaded tube (34) are both provided with through-type through grooves, and the dimensions of the through grooves are the same as the dimensions of the outer surfaces of the access air pipe (1) and the receiving air pipe (2).

6. A rotatable air pipe joint according to claim 1, characterized in that: The pipe openings of the incoming air pipe (1) and the receiving air pipe (2) are of the same size, and the incoming air pipe (1) and the receiving air pipe (2) are located on the same axis.

7. A rotatable air pipe joint according to claim 1, characterized in that: The sleeve (32) and the threaded tube (34) are both made of steel, and the incoming air pipe (1) and the receiving air pipe (2) are both made of soft materials.

8. A rotatable air pipe joint according to claim 2, characterized in that: The lower end of the connecting ring (43) is in active contact with the upper ends of the outer ring (4) and the inner ring (41).

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